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LY/T 3239-2020: Garden machinery - Hand-held scanifier with lithium-ion battery as power source
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Garden machinery - Hand-held scanifier with lithium-ion battery as power source
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LY/T 3239-2020
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Basic data | Standard ID | LY/T 3239-2020 (LY/T3239-2020) | | Description (Translated English) | Garden machinery - Hand-held scanifier with lithium-ion battery as power source | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B91 | | Classification of International Standard | 65.060.70 | | Word Count Estimation | 18,129 | | Date of Issue | 2020-12-29 | | Date of Implementation | 2021-06-01 | | Regulation (derived from) | Announcement No. 25 (2020) of the State Forestry and Grassland Administration | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3239-2020: Garden machinery - Hand-held scanifier with lithium-ion battery as power source---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.
Garden machinery-Hand-held scanifier with lithium-ion battery as power source
People's Republic of China Forestry Industry Standard
Garden machinery uses lithium-ion batteries as power source
Hand-held scarifier
2020-12-29 released
2021-06-01 implementation
Issued by the State Forestry and Grassland Administration
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. Publication of this document
The institution does not bear the responsibility for identifying patents.
This document was proposed and managed by the National Forestry Machinery Standardization Technical Committee (SAC/TC 61).
Drafting organizations of this document. Ningbo Yistar Environmental Protection Machinery Co., Ltd., Zhejiang Zhuoyuan Electromechanical Technology Co., Ltd., Changzhou Greeboyou
Co., Ltd., Ningbo Daye Garden Equipment Co., Ltd., Nanjing Deshuo Industrial Co., Ltd., Jiangsu Sumida Hardware Tools Co., Ltd., Zhejiang
Jiangyate Electric Co., Ltd.
The main drafters of this document. Li Ailiang, Xu Fengxia, Wang Chuxin, Zhu Haichao, Zhu Dianqiu, Gao Yang, Zhou Guoyang, Ding Junfeng.
Garden machinery uses lithium-ion batteries as power source
Hand-held scarifier
1 Scope
This document specifies the terms, definitions, and models of hand-held rippers (hereinafter referred to as "Rippers") powered by lithium-ion batteries
Compilation methods, basic parameters, technical requirements and test methods, signs, instructions for use, packaging, transportation and storage.
This document is applicable to rechargeable lithium-ion battery packs or battery packs powered by a nominal voltage not greater than 75 V under natural environmental conditions
A ripper that is operated by a single person to loosen the soil where garden flowers and grasses and other similar plants grow.
This document does not apply to rippers whose power source is a universal battery pack (battery pack) installed by the user.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated reference documents,
Only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document
file.
GB/T 191 Packaging, storage and transportation pictorial signs
GB/T 755 Rotating motor rating and performance
GB/T 3883.1-2014 Safety of hand-held and portable electric tools and garden tools Part 1.General requirements
GB 4706.1 Safety of household and similar electrical appliances Part 1.General requirements
GB/T 5395-2014 Forestry and Garden Machinery Vibration Measurement Specification for Portable Hand-held Operation Machinery Powered by Internal Combustion Engines
vibration
GB/T 9480 Rules for the compilation of manuals for agricultural and forestry tractors and machinery, lawn and garden power machinery
GB/T 13384 General technical conditions for packaging of mechanical and electrical products
GB/T 21418 General technical conditions for permanent magnet brushless motor systems
GB/T 34570.1 Safety of rechargeable battery packs and chargers for electric tools Part 1.Safety of battery packs
GB/T 34570.2 Safety of rechargeable battery packs and chargers for electric tools Part 2.Safety of chargers
CJ/T 340 Greening planting soil
LY/T 1621 Garden Machinery Product Model Compilation Method
3 Terms and definitions
The following terms and definitions apply to this document.
Scarifier scanifier
Powered by a lithium-ion battery pack (battery pack), a telescopic or pull-out lever is used as a joystick, and a tool with a loosening blade is operated by a single person.
It is a machine that works as the head to loosen the soil (as shown in Figure 1).
4 Model preparation method
The model preparation method of the ripper is carried out in accordance with the regulations of LY/T 1621.
The ripper takes the working width as the main parameter (in millimeters), and uses the nominal voltage of the battery pack as the main power parameter (in millimeters).
Is volts), and its model compilation method is shown in Figure 2.
5 basic parameters
The basic parameters include.
a) Adapt to the nominal voltage of the battery pack (battery pack),
b) Adapt to the rated capacity of the battery pack (battery pack),
c) Adapt to the nominal energy of the battery pack (battery pack),
d) Adapt the charging time of the battery pack (battery pack),
e) Adapt the discharge time of the battery pack (battery pack),
f) Adapt to the rated input voltage of the charger,
g) Adapt to the rated output voltage of the charger,
h) Adapt to the rated output current of the charger,
i) Blade rotation speed,
j) noise,
k) Working width, mm;
l) Overall dimensions of product packing box (length×width×height)
m) Net weight of the whole machine (not including battery pack or battery pack)
6 Technical requirements and test methods
General requirements
6.1.1 The ripper should be able to be used normally under the following environmental conditions.
a) The altitude does not exceed 1,000 m;
b) The ambient temperature is within the range of 0 ℃～40 ℃;
c) The relative humidity of the air does not exceed 90%;
d) There is no flammable, explosive or corrosive gas in the work area.
6.1.2 During the inspection, the allowable deviations of the following measured values are.
a) Time. ±0.1 s;
b) Blade rotation speed. ±0.5%;
c) Temperature. ±2 ℃;
d) Humidity. ±6%;
e) The mass of the whole machine. 0.1 kg;
f) Voltage. ±1%;
g) Current. ±1%.
Matching motor performance
6.2.1 Requirements
For permanent magnet brushless motors, the performance of the motor should meet the requirements of GB/T 21418.
The performance of other motors should comply with the relevant regulations in GB/T 755.
6.2.2 Inspection
The performance of permanent magnet brushless motors is tested according to the method specified in GB/T 21418.
The performance of other motors shall be tested according to the method specified in GB/T 755.
Overall performance
6.3.1 Starting performance
6.3.1.1 Requirements
In an environment between 0 ℃ and 40 ℃, there should be no undesirable phenomena such as jamming or non-starting when starting.
6.3.1.2 Inspection
Place the ripper in an environment of 0 ℃ and 40 ℃ for 24 hours, and then start it with no load, and start it continuously for 10 times.
The interval does not exceed 2 s, and observe whether there is any undesirable phenomena such as jamming or non-starting when starting.
6.3.2 No-load rotation speed of blade
6.3.2.1 Requirements
The no-load rotation speed of the blade should be within ±10% of the rated rotation speed.
6.3.2.2 Inspection
Take two fully charged battery packs, install one of them on the machine first, and run them idling in an environment with standard temperature, humidity and atmospheric pressure.
min pre-runs the machine. Then remove this battery pack, install another battery pack, start the machine for 2 min idling, and then test
Measure the rotation speed at this time.
6.3.3 Soil loosening performance
6.3.3.1 Requirements
The loosening depth should not be less than the length of the loosening blade teeth.
The working width should not be less than the working width marked in the manual.
6.3.3.2 Inspection
6.3.3.2.1 Test site
The test site should meet the following requirements.
a) The area used for soil loosening test is not less than 20 m×20 m flat ground;
b) The soil used for testing should comply with the regulations of CJ/T 340.
6.3.3.2.2 Test
At the 5 locations of the test site shown in Figure 3, start the ripper operating switch to perform in-situ loosening operations. When the ripper blade is no longer tunneling,
The machine continues to run for 1 minute to turn off the control switch, then measure the depth of the groove, and calculate the arithmetic average of the measured depths at 5 positions.
Then carry out the forward loosening operation on the test site, and measure the working width of the loosened soil every 2 m, and take the working width of the 5 measuring points.
Arithmetic mean.
6.4.1 Adapter battery pack (battery pack)
6.4.1.1 Requirements
The performance of the adapted battery pack (battery pack) should meet the requirements of IEC 61960-3.
The safety performance of the adapted battery pack (battery pack) should meet the requirements of GB/T 34570.1.
6.4.1.2 Inspection
The performance of the adapted battery pack (battery pack) shall be tested according to the method specified in IEC 61960-3.
The safety performance of the adapted battery pack (battery pack) shall be inspected according to the method specified in GB/T 34570.1.
6.4.2 Adapted charger
6.4.2.1 Requirements
The safety of the adapter charger should meet the requirements of GB/T 34570.2.
6.4.2.2 Inspection
The safety of the adapter charger shall be inspected according to the method specified in GB/T 34570.2.
6.4.3 Connect the adapter battery pack (battery pack) to the whole machine
6.4.3.1 Requirements
The connection between the battery pack (battery pack) and the whole machine should meet the following requirements.
a) The loading and unloading of the adaptable battery pack (battery pack) and the whole machine should be easy to operate, and there is no sticking phenomenon;
b) The thrust of the adapted battery pack (battery pack) during installation should not be greater than 150 N;
c) The adapted battery pack (battery pack) should be reliable and firm after being installed in place, and should be able to withstand a tensile force of 150 N.
6.4.3.2 Inspection
The connection between the adapter battery pack (battery pack) and the whole machine is tested as follows.
a) Plug and unplug the adapter battery pack (battery pack) continuously by hand for 5 times, and observe whether there is stuck phenomenon;
b) Align the battery pack (battery pack) with the insertion port, then use a handheld push-pull gauge to advance at a constant speed, and record the maximum thrust during the advancement process;
c) After installing the adapter battery pack (battery pack), fix the machine, and without triggering the battery pack or battery pack limit device,
The battery pack (battery pack) is clamped firmly with a clamp, and then the hand-held tension meter is hooked to the clamp, and the tension meter is pulled at a constant speed. When the reading is
At 150 N, stop pulling and check whether the battery pack or battery pack is dislocated.
6.4.4 Connect the adapter charger and the adapter battery pack (battery pack)
6.4.4.1 Requirements
The connection between the adapter charger and the adapter battery pack (battery pack) should be matched and reliable.
6.4.4.2 Inspection
Connect the adapter charger plug to the power supply with rated voltage, and after the adapter charger works normally, put the discharged adapter battery pack (electric
Battery pack) Insert and unplug the charging port of the adapter charger, and observe whether the connection is still reliable after 1,000 times; replace the fully charged adapter battery
Pull out the package (battery pack) and load it into the machine, and turn on the machine every time it is loaded. After loading and unplugging 1,000 times, observe whether the machine can be normal
Whether the operation and the fixing of the adapted battery pack (battery pack) are reliable and firm.
6.4.5 Switch
6.4.5.1 Requirements
6.4.5.1.1 After passing the 10,000 cycles test, the switch should still have normal control functions.
6.4.5.1.2 The rocker arm of the switch should not be stuck when pressed, and should return smoothly when released.
6.4.5.1.3 The self-locking push-torque should be locked reliably and return smoothly; after releasing the switch rocker arm, it should return to lock immediately.
6.4.5.2 Inspection
6.4.5.2.1 The switch shall be inspected according to the methods specified in 23.1.10.2 and K.23.1.10 in GB/T 3883.1-2014.
6.4.5.2.2 The switch rocker arm and the self-locking push button shall be inspected by a combination of manual and visual inspection.
6.4.6 Soil loosening blade hardness
6.4.6.1 Requirements
The hardness of the loosening blade should be (42～47) HRC.
6.4.6.2 Inspection
Remove the loosening blade, and measure the hardness of the loosening blade with a Blowi hardness tester.
6.4.7 Internal wiring
6.4.7.1 Requirements
The internal wiring of the ripper shall comply with the relevant regulations of GB 4706.1.
6.4.7.2 Inspection
The internal wiring of the ripper is in accordance with GB 4706...
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