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PDF similar to GB/T 13333-2018
Basic data | Standard ID | GB/T 13333-2018 (GB/T13333-2018) | | Description (Translated English) | Concrete pump | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P97 | | Classification of International Standard | 91.220 | | Word Count Estimation | 42,465 | | Date of Issue | 2018-05-14 | | Date of Implementation | 2018-12-01 | | Older Standard (superseded by this standard) | GB/T 13333-2004 | | Regulation (derived from) | National Standards Announcement No. 6 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 13333-2018: Concrete pump---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Concrete pump
ICS 91.220
P97
National Standards of People's Republic of China
Replace GB/T 13333-2004
Concrete pump
Published on.2018-05-14
2018-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 type, basic parameters and model 2
5 Technical requirements 4
6 Test method 6
7 Inspection rules 11
8 signage 12
9 User Manual 13
10 Random documents, packaging, lifting and storage 13
Appendix A (informative) Pumping concrete 14
Appendix B (informative) Test concrete 15
Appendix C (Normative Appendix) Test Record Table 16
Appendix D (normative appendix) Test method for radiation noise outside the concrete pump under dynamic test conditions 23
Appendix E (Normative) Concrete Conveying Pipeline Configuration for Concrete Pump Reliability Test 25
Appendix F (informative) Reliability test failure mode and classification table 27
Reference 39
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 13333-2004 "Concrete Pump". Compared with GB/T 13333-2004, except for editorial modifications
The changes are as follows.
--- Revised the scope of application of the standard (see Chapter 1, Chapter 1 of the.2004 edition);
--- Removed some of the terms and definitions duplicated with GB/T 7920.4 (see 3.3, 3.4, 3.9 of the.2004 edition);
--- Removed the terms and definitions associated with the failure (see 3.12~3.20 of the.2004 edition);
--- Modified the basic parameters (see 4.2 and Table 2,.2004 version 4.2 and Table 2);
--- Revised the model preparation rules (see 4.3, 4.4,.2004 edition 4.3.1, 4.3.2);
--- Revised the technical requirements and test methods for towing (see 5.2.1, 6.5.7, 5.2.5, 6.8 of the.2004 edition);
--- Change the distribution valve and pumping mechanism to the pumping unit (see 5.2, 5.2.2,.2004 edition);
--- Increased the selection and replacement of hydraulic oil (see 5.4.4);
--- Adding safety and environmental protection content to the technical requirements (see 5.6);
--- Added no-load test, load test, hydraulic oil temperature rise test in the test method, deleted the technical data preparation and test of the prototype
Instruments and apparatus, center of gravity test, stirring performance test (see 6.3, 6.4, 6.5.6.1, 6.1.2, 6.1.3, 6.2.2, 6.3.6 of the.2004 edition);
--- The inspection rules have revised the items of factory inspection and type inspection (see 7.1, 7.2, 8.2, 8.3 of.2004 edition);
--- Added instructions for use (see Chapter 9);
--- Modified the random file (see 10.1,.2004 version 9.2.4).
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Construction Machinery and Equipment Standardization Technical Committee (SAC/TC328).
This standard was drafted. Zoomlion Heavy Industry Co., Ltd., Shandong Yuanyou Heavy Industry Technology Co., Ltd., Hangzhou Ministry of Water Resources Machinery Design Research
Institute of Beijing Construction Mechanization.
The main drafters of this standard. Chen Baogang, Guo Gang, Zhang Jianmin, Liu Bo, Hu Weimin, Tan Yu, Jiao Yumin, Wu Yanming, Zhou Zizhen.
The previous versions of the standards replaced by this standard are.
---GB/T 13333-1991, GB/T 13333-2004.
Concrete pump
1 Scope
This standard specifies the technical requirements, working conditions, test methods, inspection rules, signs, packaging, lifting and storage requirements for concrete pumps.
This standard is applicable to piston concrete pumps with a theoretical conveying capacity of.200m3/h (including.200m3/h).
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
General rules and safety requirements for GB/T 3766 hydraulic drive systems and their components
GB/T 3797 electrical control equipment
GB 5226.1 Mechanical electrical safety machinery and electrical equipment - Part 1. General technical conditions
GB/T 7920.4 Concrete machinery terminology
GB 11118.1 Hydraulic oil (L-HL, L-HM, L-HV, L-HS, L-HG)
GB/T 13306 signage
GB/T 14039 hydraulic transmission oil solid particle pollution level code
GB/T 17626.3 Electromagnetic compatibility test and measurement technology RF electromagnetic field radiation immunity test
GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient burst immunity test
GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test
GB/T 18209.2 Mechanical and electrical safety instructions, marking and operation - Part 2. Marking requirements
GB/T 19418 steel arc welding joint defect quality grading guide
GB/T 25638.1 Construction machinery and equipment - Concrete pumps - Part 1. Terminology and commercial specifications
Safety requirements for GB 28395 concrete and mortar conveying, spraying and pouring machinery
GB/T 32543 Construction machinery and equipment concrete duct connection type and safety requirements
JB/T 5946 General technical conditions for engineering machinery painting
3 Terms and definitions
The following terms and definitions as defined in GB/T 7920.4 and GB/T 25638.1 apply to this document. For ease of use, the following
Some terms and definitions in GB/T 7920.4 are listed repeatedly.
3.1
The concrete is continuously pressed through the pipe to the mechanical equipment at the pouring site.
[GB/T 7920.4-2016, definition 2.4.1.1]
3.2
Concrete pump mounted on a fixed base.
[GB/T 7920.4-2016, definition 2.4.1.1.1]
3.3
A concrete pump mounted on a towable undercarriage.
[GB/T 7920.4-2016, definition 2.4.1.1.2]
3.4
Theoretical delivery quantity theoryalive
The theoretical value of concrete pump volume delivered per hour by concrete pump.
Calculated according to formula (1).
QT=VT×nR (1)
In the formula.
QT---the theoretical delivery volume, the unit is cubic meters per hour (m3/h);
VT---the theoretical volume of each working stroke of concrete pump, the unit is cubic meters (m3);
nR---The number of rated working strokes per hour of concrete pump, in units of hourly (h-1).
3.5
Pumping concrete pressure pumpingconcretepressure
Concrete pressure at the concrete pump outlet during work.
[GB/T 7920.4-2016, definition 2.4.3.1.5]
3.6
Pumping concrete pumpingconcrete
Suitable for concrete pumped concrete.
3.7
Pumping concrete aggregate particle size aggregateiameterofpumpingconcrete
The maximum diagonal size of the aggregate in the pumped concrete.
3.8
Pumping efficiency
The actual measured amount of test concrete measured at the concrete pump outlet as a percentage of the theoretical delivery.
3.9
Anti-pump reversepumping
The working condition of the concrete in the concrete conveying pipe is drawn back to the hopper.
3.10
Feeding height Filingheight
The vertical distance between the ground and the rigid plane of the hopper inlet during the operation of the concrete pump.
[GB/T 7920.4-2016, definition 2.4.3.1.7]
3.11
Pumping unit pumpingunit
A system consisting of concrete hoppers, distribution valves, concrete cylinders, water tanks, propulsion units and control devices.
[GB/T 7920.4-2016, definition 2.4.2.1.9]
3.12
Pumping performance curve pumpingperformancediagram
The relationship between pumping pressure and pumping quantity under different loads when the concrete pump is pumping power.
4 type, basic parameters and models
4.1 type
The concrete pump type is shown in Table 1.
Table 1 Concrete pump type
Type code diagram
Fixed HBG
Drag HBT
4.2 Basic parameters
The concrete pump takes the theoretical conveying quantity as the main parameter, and the basic parameters are shown in Table 2.
Table 2 Basic parameters
Project unit value
Theoretical throughput m3/h 5, 10, 20, 30, 40, 50, 60, 80, 90, 100, 110, 120, 125, 150, 180,.200
Feeding height mm ≤1580
Pumping concrete aggregate particle size mm ≤ 50
Pumping concrete pressures MPa 6, 8, 10, 13, 14, 16, 18, 20, 21, 22, 26, 28, 35, 40, 48, 50, 60
Concrete cylinder inner diameter mm 150, 180, (195),.200, (205), 220, 230, 250, 280
4.3 Model
The model of the concrete pump consists of the group code, type code and main parameters, as shown in Figure 1.
Figure 1 Concrete pump model composition
4.4 Tag example
Example 1. Trailer concrete pump, theoretical delivery volume 80m3/h, labeled. HBT80.
Example 2. Fixed concrete pump with a theoretical delivery capacity of 80 m3/h, labeled. HBG80.
5 Technical requirements
5.1 General requirements
5.1.1 The working conditions of concrete pump should meet the following requirements.
a) The working environment temperature is 0 °C ~ 40 °C, but the average temperature within 24h does not exceed 35 °C.
b) The working environment should not exceed.2000m above sea level, otherwise it should be treated as a special case.
c) Refer to Appendix A for pumping concrete. The pumping concrete slump should be 80mm~230mm; when pumping concrete坍
The drop is 180mm~210mm, and the pumping efficiency of the concrete pump is not less than 85%.
d) The fluctuation range of the power supply voltage is not more than ±10% of the rated voltage, and the fluctuation range of the frequency is not more than ±2% of the rated frequency.
5.1.2 When the concrete pump is working, the whole machine should be placed horizontally, the legs should be supported on a solid ground, and should not sink during the work; the legs should be stable.
Rely on, easy to fix.
5.1.3 Concrete pumps shall have the function of cleaning concrete conveying pipes or be equipped with cleaning devices and accessories.
5.1.4 Concrete conveying pipes shall comply with the provisions of GB/T 32543.
5.2 Machine
5.2.1 The speed of transition in the short-distance worksite should not exceed 16km/h, and it should be safe and reliable when towing.
5.2.2 When the concrete pump is in working condition, the loading height should not exceed 1580mm.
5.2.3 The welding quality of structural parts should meet the requirements of GB/T 19418 general defect quality limit.
5.2.4 The reliability test time of the concrete pump is not less than 300h. Working time before the first failure is not less than 100h;
The interval is not less than 100h; the reliability is not less than 85%.
5.2.5 The paint film of concrete pump shall be free from defects such as chromatic aberration, blistering, wrinkling, dew, pitting, flow marks, rust and scratches. The coating shall conform to JB/T 5946.
Requirements.
5.3 Pumping unit
5.3.1 Concrete pump with high and low pressure switching function should be able to realize high and low pressure pumping switching quickly and conveniently.
5.3.2 Concrete cylinder pistons should be easily and safely replaced.
5.3.3 The commutation of the distribution valve should be flexible, fast and accurate, and the commutation time should not exceed 0.3s.
5.3.4 The commutation control device shall ensure flexible and accurate commutation.
5.3.5 Dispensing valve reversing mechanism and agitator shaft bearing should be reliably sealed and lubricated.
5.3.6 The stirring device should be able to prevent the concrete in the hopper from being separated, and it should be easily removed when the material is filled.
5.3.7 The capacity of the concrete pump washing tank should meet the requirements of the water storage capacity of each stroke cleaning and cooling cylinder. The bottom of the washing tank should be dense
The seal is reliable and has a drain.
5.3.8 The hopper discharge port seal should be reliable, and should not leak when working; the seal should not fall off during transportation and work.
5.3.9 Control devices such as pumping, back pumping, and pump stopping should be safe and reliable.
5.4 Hydraulic system
5.4.1 The technical requirements of the hydraulic system shall comply with the provisions of GB/T 3766.
5.4.2 The set pressure of each relief valve should not exceed 110% of the rated pressure of the system.
5.4.3 The hydraulic system should work smoothly, there should be no abnormal noise, the commutation is stable, the impact pressure is small, and the pumping pressure peak should not exceed the working pressure.
50% of the force.
5.4.4 The selection and replacement of hydraulic oil should meet the requirements of GB 11118.1.
5.4.5 The solid particle pollution level of hydraulic oil in the hydraulic system is classified according to the provisions of GB/T 14039, and the solid oil of the hydraulic oil added to the fuel tank
The particle pollution level should not exceed -/18/15. After the reliability test is completed, the solid particle pollution level should not exceed -/19/15.
5.4.6 Hydraulic system The filtration accuracy of the hydraulic filter should meet the requirements for the use of the matched oil pump.
5.4.7 The inner wall of the fuel tank should have anti-rust measures, and there should be no foreign objects in the tank; the oil level gauge should be accurate and clear.
5.4.8 During normal operation, the maximum working temperature of the hydraulic oil in the fuel tank should not exceed 80 °C.
5.4.9 The accumulator should be fixed and reliable.
5.4.10 Hydraulic components and piping in hydraulic systems should not seep. During the entire type test, the number of oil seepages should not exceed four.
5.5 Electrical system
5.5.1 The design and installation of the electrical system shall comply with the provisions of GB/T 3797, the protection level shall not be lower than IP55, the equipment and control unit and
The insulation resistance value between ground (when the circuit is not directly grounded) is not less than 0.5 MΩ.
5.5.2 Between the live loops and between the live loop and the exposed conductive parts, the insulation resistance shall be measured at a rated voltage of at least 1000 Ω/V.
5.5.3 The concrete pump shall be equipped with a wired remote control, and the remote control device and the host electrical control system shall have interlocking devices. When using a wireless remote control
When the wireless remote control should comply with.
a) The output power is ≤10mW, and the open frequency specified by the state is used, which does not affect the normal operation of other wireless devices;
b) The EMC test shall comply with the requirements of GB/T 17626.3, GB/T 17626.4 and GB/T 17626.5.
5.5.4 Electrical symbols and instructions should be combined with Chinese and symbols.
5.5.5 An overload and short circuit protection device shall be provided.
5.6 Safety and environmental protection
5.6.1 The safety requirements of concrete pumps should meet the requirements of GB 28395.
5.6.2 The equipment shall have safety protection devices to prevent equipment damage caused by abnormal conditions such as pipe blockage, distribution and agitation of the stirring device.
5.6.3 The electrical grounding should be good. The power cut-off and emergency stop switch should be set. The safety function design should meet the requirements of GB 5226.1.
5.6.4 The safety sign shall comply with the requirements of GB/T 18209.2 and shall have a prominent warning sign in the dangerous part that may endanger personal safety.
5.6.5 When the concrete pump is working, the support foundation should be flat and stable, and the mechanical or hydraulic limit should be reliable.
5.6.6 The noise limit of the concrete pump during operation shall comply with the requirements of Table 3.
Table 3 Noise limits
Main power
Power N/kW
N≤40 40 \u003cN≤50 50\u003cN≤65 65\u003cN≤80 80\u003cN≤100
Noise/dB (A) ≤ 106 ≤ 108 ≤ 110 ≤ 112 ≤ 114
Main power
Power N/kW
100 \u003cN≤130 130\u003cN≤160 160\u003cN≤200.200\u003cN≤250 250\u003cN≤350
Noise/dB (A) ≤ 116 ≤ 118 ≤ 120 ≤ 122 ≤ 124
5.6.7 There should be protective devices around the work moving parts and high temperature parts that are easily accessible.
5.6.8 There should be protective measures against leakage of concrete, grease and washing water under working conditions.
5.6.9 All operations that may pose a hazard to personnel or equipment should be protected or directed to the operator.
6 Test methods
6.1 Test conditions and test preparation
6.1.1 The concrete pump test sample shall pass the assembly inspection and the parts, accessories and random tools shall be fully equipped as required.
6.1.2 Fill hydraulic oil, fuel oil, lubricating oil and coolant as required.
6.1.3 The test sample is placed on a flat, solid floor.
6.1.4 Factory pumping test load allows water to be used as test load. In the type test, the pumping test load shall be pumping concrete or test mixing.
Condensed concrete, simulated concrete (hereinafter collectively referred to as pumping concrete). Refer to Appendix B for the test concrete.
6.1.5 The concrete pipe of the test is φ125mm.
6.1.6 The instruments and measuring instruments used for testing are certificates issued by the calibration department entrusted by the statutory measurement department or the metrological appraisal department.
And within the validity period.
6.2 General inspection
According to the design requirements and the technical requirements of this standard, the dimensions, appearance quality, functional configuration and safety identification of the product are carried out.
Synergy inspection. The results of the inspection are recorded in Table C.1 of Appendix C.
6.3 no-load test
The no-load test is as follows.
a) Each operating mechanism of the pumping unit is operated several times, and then automatically run for more than 30 minutes to check whether the actions of each mechanism are normal.
Whether the operation of the piece is in normal position, whether the discharge port of the hopper, washing tank, etc. is sealed properly;
b) measuring the pressure of the pumping hydraulic system in the high and low pressure pumping state of the concrete at no-load state at the maximum rated speed;
c) Turn on all auxiliary functions, check whether the various mechanisms are running normally, and whether the functions such as emergency stop and interlock switch are normal.
The test results are recorded in Table C.2.
6.4 Load test
6.4.1 Pumping unit loading Simulated load continuous pumping. no high and low voltage switching function for more than 5h; high and low voltage switching function, low pressure state 4h
Above, the high pressure state is 1 h or more.
6.4.2 Loading method. At the maximum rated speed, the pumping hydraulic system pressure is set according to the maximum load corresponding to the product design.
The maximum (small) point-by-point decrement (increase), the decreasing (increasing) interval should be less than 4 MPa, and the load point is not less than 3 points.
6.4.3 Test content includes.
a) the number of pumping times under different load conditions;
b) Check whether the oil supply condition of each lubrication point meets the design requirements;
c) Check that the agencies are operating normally and that there are no abnormal noises;
d) Under the maximum load condition, check whether the prime mover is running normally. the motor detects the rated current value, and the diesel engine detects the actual output.
Rotating speed;
e) measuring the hydraulic fluid temperature of the hydraulic tank under normal operation of the cooling system;
f) During the whole load test, there shall be no oil leakage or oil leakage at the joints of various parts of the prototype, oil pipe joints, screw plugs, etc.
6.4.4 The test results are recorded in Table C.3.
6.5 Performance test
6.5.1 Maximum actual delivery volume
6.5.1.1 Determine the number of working strokes per hour of the prototype under the maximum (actual) working stroke, and then determine the volume of concrete pumped each time.
The actual actual delivery volume is calculated according to formula (2).
Q=V×n (2)
In the formula.
Q --- the maximum actual delivery volume in cubic meters per hour (m3/h);
V --- the maximum (actual) working stroke, the volume of concrete pumped per unit, in cubic meters (m3);
n --- The number of working hours per hour, in units of hours per hour (h-1).
6.5.1.2 The pumping concrete slump is 150mm~200mm, and the 90° conveying elbow is connected to the outlet end of the prototype to make the elbow outlet flat water
Flat placed. Start the prototype. After the prototype is working properly, smooth the concrete at the exit with a spatula and place the container of known weight under the delivery tube.
Department, each time undertakes 3 to 5 times of pumping concrete, and then weighs the concrete mass in the container, and removes the concrete mass per stroke.
Density, you can find the volume of concrete pumped per stroke. The volume of pumped concrete is calculated according to formula (3).
V=
N1 × ρ
(3)
In the formula.
G ---n1 pumping the mass of concrete for maximum working stroke, in kilograms (kg);
N1---Maximum number of working strokes, the unit is hourly (h-1);
ρ --- Concrete density in kilograms per cubic meter (kg/m3).
6.5.1.3 Repeat the measurement three times and the measurement results are recorded in Table C.4.
6.5.2 Pumping efficiency
The pumping efficiency is calculated according to formula (4).
η=
QT×
100% (4)
In the formula.
η --- pumping efficiency;
Q --- the maximum actual delivery volume in cubic meters per hour (m3/h);
QT---the theoretical delivery volume, in cubic meters per hour (m3/h).
The calculation is repeated three times, and the calculation result is recorded in Table C.4.
6.5.3 Distributing valve commutation time
Measured under the maximum pressure conditions of pumped concrete. Adjust the distribution valve reversing system to make the distribution valve reversing in the fastest state, record the change
To the dynamic curve, the average of the 10 commutation times is the measured commutation time. The measurement results are recorded in Table C.5.
6.5.4 Commutation pressure shock value
According to the working condition of the 6.4 load test, the pressure shock value of the main hydraulic cylinder during the commutation is measured, and the measurement result is recorded in Table C.6.
6.5.5 Safety and environmental protection
6.5.5.1 Work protection performance
Under abnormal conditions such as plugging of the pumping system and stirring of the stirring device, the pressure cutoff (overflow) value of each hydraulic circuit is detected, and the measurement is recorded.
Record the opening and closing time characteristics of the pressure cut-off (overflow) valve. The measurement results are recorded in Table C.7.
6.5.5.2 Noise test
The noise of the concrete pump during operation is measured and calculated according to the provisions of Appendix D. The measurement results are recorded in Table C.8.
6.5.5.3 Electrical insulation resistance test
The insulation resistance between the measuring device and the control unit and the ground (when the circuit is not directly grounded), the measurement results are recorded in Table C.9.
6.5.5.4 Emergency stop function test
In the working state, press the emergency stop switch to detect all actions; release the emergency stop switch to detect all actions. Open with action interlock function
Off, button, should be tested separately. The measurement results are recorded in Table C.2.
6.5.6 Hydraulic system
6.5.6.1 Hydraulic oil temperature rise test
Under the 6.4.2 load test conditions, the hydraulic oil temperature is measured periodically and the temperature rise curve is drawn. The measurement results are recorded in Table C.10.
6.5.6.2 Outer leakage oil detection
During the load test and reliability test, record the oil leakage and oil leakage at the joints of various parts of the product, each oil pipe joint, screw plug, etc.
condition. If there is oil trace, and there is oil droplet dripping or oozing oil area exceeding.200cm2 within 10min, it is judged as oil leakage, otherwise, it is judged
It is determined to be oily. The test results are recorded in Table C.11.
6.5.6.3 Detection of solid particle contamination of hydraulic oil
After the reliability test is completed, the solid particle pollution level of the hydraulic oil in the test sample tank is detected. The test results are recorded in Table C.12.
6.5.7 Towing test
The towed concrete pump is towed at a speed of 16km/h for 8km after being inferior to the road condition of the third-class highway. Check whether the structural parts are cracked.
Whether the grain, fasteners are loose and the hydraulic system has oil leakage. The test results are recorded in Table C.13.
6.5.8 Cleaning pe...
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