Some standard content:
Machinery Industry Standard of the People's Republic of China
JB9012--1999
Side-loading trucksWww.bzxZ.net
1999-06-28 Issued
State Machinery Industry Bureau
2000-01-01 Implementation
J8/T012-1994
2 Reference standards
3 Number of card numbers
4 Technical requirements
5 Test methods
6 Marking and agricultural products
Appendix points (recommended sheets) Test record forms
JB/TU12-I959
This standard is a revision of 7.RJ%1003-88 "Side-type forklifts". During the revision, the original standard has been edited and revised: the main technical content has not changed.
This standard replaces ZBJ81003-8B from the date of implementation. Appendix A of this standard is a recommended appendix.
The standard is proposed and managed by Beijing Hoisting and Conveying Machinery Research Institute. Standard drafting units: Xiamen Forklift General Factory, Zhenjiang Forestry Machinery and Ladder Factory. The main drafters of this standard are: Cheng Weixin, Fan Heshu, Jiang Guorong, Zhang Jingyang. 1 Scope
Machinery Industry Standard of the People's Republic of China
Side-laading forklifts
Side-laading forklifts
This standard specifies the models, basic parameters, technical requirements and test methods of side-laading forklifts. JD/T9012-1999
The standard is used to determine the following (including the side-laading forklifts) (hereinafter referred to as the forklifts) 2 Reference standards
The following texts contained in the standard constitute the provisions of this standard through their use in this standard. When the sections are in the standard, the versions shown are all valid. All standards are subject to revision. The parties using the name of this standard shall explore the possibility of using the latest versions of the following standards: GB:T 478$1984
GB/ 5182—1996
G9/[1831985
GB/T$184—[996
G/T13306—1999]
IR/T 1100—1992
JR/313—1994
3 Models and basic numbers
The number and position of external lighting and signal equipment on vehicles and vehicles Technical requirements and tests for forklift forks and dimensions of vehicles and cargo carriers
Forklift hook type forks and fork frame installation dimensions and signs
Balance vehicle, machine test method
Basic types and rated lifting weights of lifting vehicles 3.1 Type of lifting vehicle with power source and transmission mode Rated lifting weight table: C
Update code: Chinese phonetic alphabet sequence table Lai Dingzhi weight, t
Transmission mode code: Machine transmission is not indicated, small rubber transmission is for, static pressure transmission is J
Power source code: Gas is Q: Diesel is C, liquid gas is, fuel is battery D
Measurement surface type vehicle code
Marking example:
) The mark of the new 3 gasoline engine hydraulic transmission fork is: Side type to vehicle CCQD3AJB9012-[999) The mark of the second-time replacement of the 3 whole parking cash dispenser is: Xie vehicle CC3J9012-1999
Approved by the State Machinery Industry Bureau on 1999-06-28, 2000-01-01, JB/T9012999
1.2 The rated starting quantity of the side branch shall comply with the provisions of B door 7313. 3.1 The load-bearing center distance of the article shall comply with the provisions of Table 1: Table
Example of setting starting
Teaching center
Student: The newly designed product does not adopt the teaching situation of the live guide, 40
500 (600)
3.4 The size, technical requirements and test of the side fork fork shall comply with the provisions of GB/15183, GB5184 and GB5182: The horizontal length of the fork shall comply with the provisions of Table 2. Table 2
The lifting height H of the fork shall comply with the provisions of Table 1. 115002000
Design: New products shall not use the values in brackets. 3.6 The rated voltage of the battery side fork is: 24. (30). 48. 72. 80V.
Note: New products shall not use the values in brackets. 4 Technical requirements
: 3300
1 3660 135G0)
4.! The support shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed process. 4.2 The stability of the equipment shall comply with the requirements of Table 4. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. The vertical direction is stable and stable. 50%
J T9012—1999
8 Internal combustion engines, hydraulic components, motors, plug-in batteries, differentials, tires and other supporting products must comply with relevant standards and technical requirements.
4.5 The steering should be light and flexible. When using the effective steering, the maximum hand force acting on the steering wheel should be greater than 3, and the left and right steering forces should not be greater than 1. When the fork is running straight at the maximum speed, there is obvious snaking phenomenon. 4.10 The brake mechanism (running brake and parking brake) should be independent of the mechanism, and the value can be at the same height. The parking brake should be mechanically effective. 4.11 The braking distance should meet the requirements of Table 5. Table 5
Test state
Standard non-no-load state
Standard small load state
Specified initial degree%
Braking distance
Standard load state Parking brake on the track, the climbing slope is required to be [5%, when the climbing slope is greater than 15%, the sliding slope is not measured.
4.12 Fork lower mast (cargo support angle): According to the provisions of 5.5.4.7 of this paragraph, for the secondary mast The height below the rack shall not be greater than 3 cm: the height of the rack (or cargo fork) shall not be greater than t.5\4.13 The verticality of the gantry shall be measured and placed at the maximum rear position, with the cargo fork at the maximum lifting height and kept horizontal. When the load reaches 125% of the rated lifting height, no abnormal phenomenon shall occur. 4.14 When the load exceeds 35%, the distributor safety net shall be fully opened. When the lifting test is performed, the cargo support shall be greater than 300m% from the ground: or when other overload alarm devices are used, the device must be operated. 4.15 The lifting height limit is +1.5%, and the limit deviation of the front value angle α and the trailing angle of the gantry is ±34 .16 The electrical system should ensure good insulation, the control part should be flexible and reliable, and should be adjusted according to the place of use. The measurement signal and indicator should be set according to the relevant provisions of GB/T4785.
4.17 The insulation voltage of the battery shall not be less than 0k, and the cold insulation of the current-carrying part of the electrical equipment shall not be less than 0.3M. 4.18 The outer surface of the inverted fork should be bright and beautiful. The paint should be evenly applied, and there should be no defects such as cracks, brittleness, flow and blistering. 4.14
The warranty period shall be at least 10 days from the date of manufacture to the date of delivery to the user under the conditions of use and maintenance in accordance with the user safety instructions.
4.20 New products, new products and updated products, etc., must pass 100l industrial use test before being placed on the market. The test of the main parts and the test of the performance of the whole machine must obtain the certificate issued by the test unit designated by the national plan. 4.21
4.22 The maximum noise level outside the vehicle when the internal combustion side fork is used shall not exceed 90dB(A) for the side fork of 10.5 or above: not exceed 95dD(A) for the side fork of 10.5~[0.0). It refers to the maximum allowable noise level outside the vehicle for the battery side fork, which shall not exceed 80dB(A). 5 Test method
5.1 Preparation for the test
Before the test, the side fork shall be in a technical state to ensure the correctness of the test results: At the same time, in order to ensure safety and smooth progress of the test, various hidden dangers shall be eliminated as much as possible to avoid accidents. 1. The operation items shall be carried out in accordance with 3.2 of JB 3300-[992. 5.2 General test conditions
FB/T9012-1999
5.2.All assemblies, parts, accessories and auxiliary devices should be in accordance with the specified equipment and installed in the specified position. 5.2.2 Before the test, the components should be filled with sufficient fuel oil, lubricating oil, hydraulic oil and cooling water that meet the relevant standards. 5.7.3 The battery and its voltage, electrolyte density and electrolytic roller filter surface height should meet the requirements of the relevant standards and be charged according to the instruction manual:
5.2. 4. The tires shall meet the following requirements: a) The air pressure of pneumatic tires shall meet the specified value; b) Solid tires shall meet the requirements of relevant technical conditions; c) The hardness of the two wheels on the same bridge shall not exceed 5″. 5.2.5 During the entire test period, the side forks shall be repaired and maintained according to the maintenance instructions, and detailed records shall be kept. No accidental adjustment or replacement of parts shall be allowed. 5.26 Before the performance test, the side forks shall meet the following conditions: a) The engine water outlet temperature shall not be lower than 70°C; d) The engine temperature shall not be lower than 50°C; e) The oil filter of the hydraulic system hydraulic oil tank shall not be lower than 40°C; 5.2.6 The oil leakage of the torque converter shall not be lower than 60°C. 7 Gas refining case
a) Air temperature s-15;
b) Wind speed does not exceed 5m/s, and the test items shall be specified separately in special requirements; 2) During the battery side fork test, when the ambient temperature is 20 degrees, the maximum relative humidity of the surrounding air shall not exceed 90%. 5. 2. 8 Test site
The site should be a condensable ground with a flat surface and be clean. The slope of the test site shall not exceed 1.5%. The front shall meet the requirements for full double shield rotation. A 1×1m grid is drawn on the ground. The flatness within 1m×1m is 3mm; the site attenuation and horizontality are within the wind speed range of 15mm with the side fork turning radius as the radius. The straight runway length shall not be less than 200m, the test seat shall not be less than 5m, and the longitudinal gradient shall not be less than 0.3%.
5.2.9 Various test instruments, equipment, The equipment and the equipment shall be within the effective period and shall be calibrated before the test.
5.1.10 Test equipment
a) The test load is a homogeneous solid body with the same mass and the same side length as twice the load center distance D (Figure 1, Figure 2). The values of the rated lifting weight and the load center distance D shall conform to the provisions of 3.2 and Table [: In order to ensure the side length of the test load, it is allowed to divide the test load into a solid body with a hollow center in the middle! Figure 3.o||t t||5.2.1 Or the state marked during the inspection
JE/T9012-1999
a) Standard no-load state: add enough magnetic material as required, and remove the concentrated liquid, cold surface water, condensate tank, and lubricating oil. The tires are inflated with standard air pressure. The mast moves outward to the maximum position and is vertical. The stable legs are not outward. The cargo is kept horizontal and its upper surface is 3 meters away from the ground. b) Standard no-load operation state: In the standard no-load state, the mast moves to the maximum retracted position. e) Standard load state: In the standard no-load state, the side forks are on The test load is installed, the mast is at the maximum rear position, the upper surface of the forks is at the same height as the cargo platform, and the center of gravity of the test load is symmetrical to the left and right of the mast: Standard fork-loading state: Under the standard load state, if there is a cargo platform tilting device, the cargo platform should be in the state of tilting on the floor;
) Standard fork-loading state: Under the standard no-load state, the cargo platform is stably supported, and the test load is installed on the horizontal section of the cargo platform, and the cargo platform is kept horizontal:
5.3 Determination of main structural parameters and technical characteristics parameters 5.3. 1st day
Measure the main average parameters and technical characteristic parameters of the side fork, and check whether it meets the requirements of the relevant standard screen: 5.3.2 Determination of the external dimensions of the side fork
5.3.2.1 Measuring tools and measuring instruments
a) The tape accuracy of the length measuring tool shall not be less than 1%; b) The accuracy of the angle measuring plate shall not be less than 20;) The length of the weight line should be, and the height gauge, water gauge, auxiliary measuring rack, etc. should meet the requirements of the measuring mother. 5.3.2.2 Measurement method
) For example, when the fork is at the standard no-load or standard load state, according to the measurement requirements, the wheel position is in a straight line, and the front axle guard line is parallel to the square grid line:
b) In addition to directly measuring the horizontal and height dimensions, the horizontal and height dimensions can be measured with the help of tools such as weights, height gauges, level gauges, straight-edge rulers, and auxiliary measuring frames:
) In addition to directly measuring the base, the angle of the center can be obtained by measuring the position of each characteristic point using a diagram or calculation method. 5.3.2.3 Side branch external dimension measurement items
For items not marked with "standard load state", the standard no-load state measurement shall be used. The next day, see Figure 4: The maximum height of the cargo platform, the maximum height of the cargo platform, the maximum lifting height of the cargo platform, the free opening height, the driving height H: the cargo platform level height, the minimum ground clearance X (standard no-load and standard load points), the cargo platform mast or cargo support tilt, 3, approach angle, departure angle, axle angle L, wheelbase A, fork length L, the maximum adjustment distance M of the fork is equal to the maximum spacing M of the fork minus the minimum spacing. The wheel free radius is recorded (front wheel). R (rear wheel). The static radius of the wheel R: R (front wheel), R, R, (rear wheel). The measured data is filled in according to Appendix A Table A1.
5.3,3 Determination of the quality of the forklift
5.3.3. Measuring equipment
J9T9012--1999
The height of the weighbridge or vehicle weighing the vehicle shall not be less than 10.3%. The weighing platform shall be able to place the entire vehicle on it, and the front of the weighing platform shall be at the same level as the vehicle.
5.3.3.2 Example Determination of the quality of the forklift
The standard for the measurement is that the vehicle is unloaded. First, place the vehicle on the weighing platform for a short time. When measuring, the forklift is stable, the engine is backfired, the gear lever is in neutral, the brake is effective, and the vehicle is not allowed to be used. Then turn the vehicle sideways and turn it 0", and then measure again. Take the average value and fill in A2.
5.3.3.3 Example Determination of the front and rear axles and wheels of the forklift On the weighing platform, respectively present the standard no-load state and standard load state [when the standard load state is in place, place a sandbag with a mass of 65k in the workroom), weigh the loads of the front axle, rear axle, side wheels, and right side wheels in turn. When measuring, only the wheels to be measured are allowed to be on the scale, and stop at the center of the weighing platform as much as possible. After the side fork stops steadily, the engine is started, the lever is put in neutral, the brake is loosened, and the use of a triangular wooden handle is not allowed. Then measure and turn 180°, and measure again in turn: take The effective average value is written in accordance with Table A2 of Appendix A. 5.3.3.4 Determination of the position of the center of gravity of the side vehicle
Standard no-load state (circle 5)
a) The horizontal distance between the center of gravity and the rear axle is 2u, calculated as G
Where, the standard no-load state is the mass of the whole forklift, kg: G standard no-load state front axle load, kg.
b) The horizontal distance B between the center of gravity and the center line of the right wheel is calculated according to formula (2! Calculate the standard unloaded left wheel load GA
, kg,
where: G
c Center of gravity height: the distance from the center of gravity to the parking surface multiplied by the green distance H2
Measurement method; Place the rear wheel cover of the side fork on the scale platform, lift it up and correct it so that the side inclination angle 6 is 2°. Then measure the rear axle load GG\, G\ after lifting it up three times respectively. The static radius of the front wheel R, well is calculated according to formula (3): 6
JH/L 9011—1999
Formula: side and rear load, kg:
G, side means standard no-load state rear axle load, kgR side pick up the front wheel static radius, tm
Calculate the data, take the half-mean of the three measured values (the relative error between the measured values is less than 5), and write it according to Appendix A Table A2.
Under the premise of full measurement (the relative error between the average measurement value calculated by other methods and the average measurement value calculated by your weight method is less than 5%), it is allowed to use other methods to determine the center of gravity height (such as: lifting method: total sample method 1 US
5.4 Stability test
5. 4. 1 Test purpose
To check the stability of the machine during loading and unloading operations. 5.4.2 Test conditions
The technical condition and test performance of the machine shall comply with the provisions of 5.2, and the hand brake shall be tightened. The test shall be carried out on the inclined platform. 5.4.3 Test documents and equipment
The machine shall be equipped with a measuring tape, a steel ruler, an inclined platform and a safety rope. 5.4.4 Test method
5.4.4.1 Test items and instructions
The machine shall be on the inclined platform 1. According to Table 6, the four stability tests of longitudinal (embankment, operation) and lateral (standard, operation) shall be carried out in sequence. When carrying out the surface test 4, one of the front wheels shall leave the inclined platform surface. During the test, the machine shall leave the inclined platform and no one shall be on the inclined platform. JB7r9012-199
%0 Y(% (4[+51)
% (451+51)
5.4.4.2 Position of the side fork on the inclined platform 8/9012-1999
Test! On a horizontal inclined platform, the line of the fork front axle or rear axle in the standard fork bearing state should be aligned with the tilting axis of the inclined platform, the cargo is raised to the maximum height, and then the platform is tilted to the specified slope [Figure 6-1] Test 3 Under the standard load running state, the position of the side fork on the inclined platform is alternate with the test!, and then the platform is tilted to the specified slope.
Test 3 The fork is parked on the horizontal platform 1, in the standard fork bearing state, and the side fork is placed in the following prescribed position: the fork is raised to the maximum height, and then the test platform is tilted to the specified slope [Figure 6-1], according to 1)]. a) For side forks with stabilizing legs, the connection of the ground contact part of the stabilizing legs should be parallel to the inclination of the tilting platform. h) For front axles swung around the center pin, for side forks without stabilizing legs, the projection of the connection between the front axle center and the rear wheel ground contact point on the inclination platform should be parallel to the inclination axis of the tilting platform. ) For side forks with fixed axles, the position of the side forks on the inclination platform should be parallel to the inclination of the tilting platform. Note: 1) For side forks without stabilizing legs, the projection of the connection between the front wheel ground contact point and the rear wheel ground contact point on the inclination platform should be parallel to the inclination of the tilting platform. Note: 1) For double axles, the center of contact of the front wheel should be the contact point of the outer wheel. In the standard no-load driving state of test 4, the position of the side forks on the inclination platform is the same as that in test 3, the stabilizing legs are retracted, and then the test platform is tilted to the specified slope.
5.4.4.3 Positioning of side forks
The side fork is on the platform by the brake device. When the hand brake is not enough, the instant brake can also be used to lock it in the braking position. If necessary, additional friction materials can be laid on the inclined platform to prevent the wheels from sliding. In addition, when using wheel undercase pads, the pad height should be between 25-50mm. It should not exceed 10% of the wheel vertical clearance. 5.4.4.4 Safety device
During the test, special attention should be paid to prevent the side fork from tipping over or the movement of the test load, such as using a rope loop to prevent If the vehicle rolls over, the rope loop should maintain sufficient tension to ensure that there is no momentary restraint before the vehicle rolls over. The stability test results shall be filled in according to Table A3 in Appendix A. 5.5 Erection performance test
5.1.1 Test purpose
To check the working performance of the side frame lifting system, the deformation of the gantry structure and the sealing performance of the pressure system, the opening and closing performance of the safety valve under extreme conditions, and to measure the lifting, lowering and removal speeds of the forks, the sliding speed of the forks and the self-alignment angle of the gantry (cargo frame), etc. 5.5 .2 Test conditions
The technical conditions and test conditions shall comply with the provisions of 5.2. : 5.5.3 Test instrument, use other
Engine tachometer or tachometer; stopwatch, the measurement accuracy shall not be less than 0.01s; steel coil, steel plate ruler, the measurement accuracy shall not be less than 2%; angle gauge, the accuracy shall not be less than 20; ammeter, voltmeter, the accuracy shall be 0.5 level; sensor and test instrument: thermometer, scale, measuring frame. Height gauge: level ruler or other instruments and measuring tools with the same accuracy. 5.5.4 Test method
5.3.4.1 Determination of no-load micro-lifting speed
When the side fork is in the standard no-load state, tighten the hand brake, and measure the time it takes for the fork to pass through the middle 2㎡ travel (for the side fork with a lifting height of 2m, the measured travel is 1.5m) when the pressure distribution is fully opened to calculate the average lifting speed.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.