CN104236873A - Method and device of testing performance of mechanical rotary spare wheel up-down regulator - Google Patents

Method and device of testing performance of mechanical rotary spare wheel up-down regulator Download PDF

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Publication number
CN104236873A
CN104236873A CN201310232643.4A CN201310232643A CN104236873A CN 104236873 A CN104236873 A CN 104236873A CN 201310232643 A CN201310232643 A CN 201310232643A CN 104236873 A CN104236873 A CN 104236873A
Authority
CN
China
Prior art keywords
spare tyre
test specimen
weight test
tyre lifter
motor
Prior art date
Application number
CN201310232643.4A
Other languages
Chinese (zh)
Inventor
郭凤刚
韩云肖
徐伟
Original Assignee
北汽福田汽车股份有限公司
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Application filed by 北汽福田汽车股份有限公司 filed Critical 北汽福田汽车股份有限公司
Priority to CN201310232643.4A priority Critical patent/CN104236873A/en
Publication of CN104236873A publication Critical patent/CN104236873A/en

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Abstract

The invention discloses a method and device of testing the performance of a mechanical rotary spare wheel up-down regulator. The spare wheel up-down regulator comprises a rotating shaft and a winding lifting part. One end of the winding lifting part is fixed to and wound around the rotating shaft, and the other end of the winding lifting part is the free end connected with a weight test piece. The method comprises the steps of controlling a motor to drive the rotating shaft to rotate and enabling the weight test piece to ascend or descend; when the weight test piece ascends or descends by a unit length, controlling the motor to stop driving the rotating shaft; detecting whether any component in the spare wheel up-down regulator is deformed or clamped; when no deformation or clamping is detected, carrying out the above steps, and when the weight test piece ascends or descends by the unit length of a certain number, determining that the performance of the spare wheel up-down regulator is qualified. According to the scheme, the performance of the spare wheel up-down regulator can be tested, and therefore whether produced spare wheel up-down regulators are qualified can be determined.

Description

The method of the rotary spare tyre lifter performance of test mechanical and device
Technical field
The present invention relates to traffic and transport field, particularly, relate to method and the device of the rotary spare tyre lifter performance of a kind of test mechanical.
Background technology
Spare tyre is the common components of automobile.The spare tyre of general car is placed in interior, and oversize vehicle, such as, the spare tyre of truck is placed in under-vehicle usually.Like this for oversize vehicle, due to spare tyre, overhead position is higher and weight is very heavy, makes artificial unloading very difficult, therefore needs spare tyre lifter to be elevated spare tyre to realize taking of spare tyre.The performance of spare tyre lifter directly has influence on security setting and the use of spare tyre, thus affects the security of vehicle use.But, there is no the method for testing to spare tyre lifter performance in prior art, cannot determine that can the spare tyre lifter produced meet design request for utilization, be difficult to assert the quality of spare tyre lifter.
Summary of the invention
The object of this invention is to provide method and the device of the rotary spare tyre lifter performance of a kind of test mechanical, the performance of spare tyre lifter can be determined by said method and device by test, thus the quality of spare tyre lifter is assert.
To achieve these goals, the invention provides a kind of method for the rotary spare tyre lifter performance of test mechanical, wherein said spare tyre lifter comprises rotation axis and is wound around lifting piece, one end of described winding lifting piece is fixed and is wrapped on described rotation axis, the other end of described winding lifting piece is the free end being connected with weight test specimen, the method comprises: control motor and drive described rotation axis to rotate, and rises or decline to make described weight test specimen; When described weight test specimen rising or decline unit length, control described motor and stop driving described rotation axis; Detect in described spare tyre lifter and whether have parts to occur deformation or clamping stagnation; And when do not detect there is described deformation or clamping stagnation time, continue to perform above-mentioned three steps, when described weight test specimen rise or the unit length of decline predetermined quantity time, determine that described spare tyre lifter performance is qualified.
Further, described spare tyre lifter is placed in the environment with predetermined temperature value.
Further, each parts of described spare tyre lifter are coated with silt.
Further, the unit length sum of described predetermined quantity is corresponding to the length making described weight test specimen complete following process at least one times to move: make described weight test specimen rise from initial position or decline, rise when described weight test specimen or when dropping to the position that can not rise again or decline, described weight test specimen declined or rises until described initial position got back to by described weight test specimen.。
Further, described deformation comprises following one at least: flexible, distortion and fracture.
Further, described winding lifting piece is chain link or wire rope.
Further, the weight of described weight test specimen is more than or equal to the weight of spare tyre.
According to another aspect of the present invention, additionally provide a kind of device of the method for implementing the rotary spare tyre lifter performance of above-mentioned test mechanical, this device comprises: stand, is configured to fixing described spare tyre lifter and motor; Described motor, is configured to drive described rotation axis to rotate to enable described rotation axis; Controller, is connected with described motor, is configured to control described motor and runs; And weight test specimen, be configured to be connected with the free end of described winding lifting piece.
Further, described spare tyre lifter has the rocker shaft linked with described rotation axis, and described motor is configured to be connected with described rocker shaft by shaft coupling drive described rotation axis.
Pass through technique scheme, controlling motor-driven rotation axle makes weight test specimen be elevated the operational process can simulating spare tyre lifter, therefore, it is possible to test the performance of spare tyre lifter when not being installed on vehicle by spare tyre lifter, thus determine that can the spare tyre lifter produced meet design request for utilization.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the process flow diagram of the method for the rotary spare tyre lifter performance of test mechanical according to embodiment of the present invention; And
Fig. 2 is the apparatus structure schematic diagram of the method according to the rotary spare tyre lifter performance of the test mechanical of a kind of enforcement of embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Fig. 1 is the process flow diagram of the method for the rotary spare tyre lifter performance of test mechanical according to embodiment of the present invention.As shown in Figure 1, according to the method for the rotary spare tyre lifter performance of test mechanical of the present invention, wherein said spare tyre lifter comprises rotation axis and is wound around lifting piece, one end of described winding lifting piece is fixed and is wrapped on described rotation axis, and the other end of described winding lifting piece is the free end being connected with weight test specimen.Wherein, described winding lifting piece can be chain link or wire rope.The method comprises: S101, controls motor and drives described rotation axis to rotate, and rises or decline to make described weight test specimen; S102, when described weight test specimen rising or decline unit length, controls described motor and stops driving described rotation axis; Whether S103, detect in described spare tyre lifter and have parts to occur deformation or clamping stagnation; And S104, when do not detect there is described deformation or clamping stagnation time, continue to perform above-mentioned three steps, when described weight test specimen rise or the unit length of decline predetermined quantity time, determine that described spare tyre lifter performance is qualified.When deformation or clamping stagnation being detected before the unit length in described weight test specimen rising or decline predetermined quantity, determine described spare tyre lifter performance inconsistency lattice.
Pass through technique scheme, controlling motor-driven rotation axle makes weight test specimen be elevated the operational process can simulating spare tyre lifter, therefore, it is possible to test the performance of spare tyre lifter when not being installed on vehicle by spare tyre lifter, thus determine that can the spare tyre lifter produced meet design request for utilization.
In the above-mentioned methods, multiple choices can be had for the motor driven, such as direct current generator, alternating current generator, servomotor or stepper motor etc.In one embodiment, control described motor drive described rotation axis can comprise control described motor drive described rotation axis with desired speed.The rotating speed of motor can carry out arranging (such as 45 revs/min) according to the design and operational requirement of spare tyre lifter, to simulate actual service condition.Similarly, controlling described motor drives described rotation axis rotate and make the unit length of the rising of described weight test specimen or decline also can carry out arranging (such as 50mm, 100mm etc.) according to the design and operational requirement of spare tyre lifter.The quantity of unit length making weight test specimen rise or decline can be such as 20,50,350,1000 etc.
Detection mode for deformation can adopt as Non-Destructive Testing modes such as X-rays, in special circumstances, also can directly with the naked eye judge (such as, serious deformation is even ruptured).Deformation of the present invention can comprise following one at least: flexible, distortion and fracture.And for the detection of clamping stagnation, such as, indirectly can be judged by the curent change (such as, suddenling change) detected for the motor driven.
In one embodiment, spare tyre lifter can be placed in there is predetermined temperature value environment to perform said method.Here the predetermined temperature value had mentioned can be the temperature value of the general work environment of vehicle, such as-30 DEG C, 20-25 DEG C, 20-50 DEG C etc., also can be the particular temperature value selected to test the thermal adaptability of spare tyre lifter, such as-50 DEG C, 0 DEG C, 80 DEG C etc.
Because vehicle its spare tyre lifter that is in operation inevitably can adhere to dust even silt.Therefore, in order to simulate actual use and the working condition of spare tyre lifter as much as possible, in one embodiment, silt can be applied on each parts of described spare tyre lifter.
In one embodiment, the unit length sum of predetermined quantity can correspond to (such as, equal) length (or distance) that makes described weight test specimen complete following process at least one times to move: make described weight test specimen rise from initial position or decline, rise when described weight test specimen or when dropping to the position that can not rise again or decline, described weight test specimen declined or rises until described initial position got back to by described weight test specimen.Initial position can be such as spare tyre lifter weight test specimen can be made to arrive extreme higher position, extreme lower position or the optional position in weight test specimen process of rising or falling.In one embodiment, weight test specimen can be risen from initial position or decline and then get back to initial position is considered as a complete cycle, and can carry out the such circulation of several times according to setting.In such embodiment, the rising of weight test specimen can be worked as or after the described several times circulation that declines, can determine that spare tyre lifter performance is qualified.In one embodiment, weight test specimen can be carried out the circulate distance transform that will move of described several times is the quantity of unit length, thus can control test process with the quantity of this unit length.
When considering to use spare tyre lifter typically, when needs use spare tyre, by spare tyre lifter, spare tyre is fallen to change; When after replacing spare tyre, then by spare tyre lifter, the tire changed can be sling.Therefore, the tire when reality uses on spare tyre lifter generally can experience one direction and decline or rise, and then stops, and then conversely to the process that one direction rises or declines.In order to simulate actual condition further, in one embodiment, the method can also comprise: when making described weight test specimen rise to the position that can not rise again when controlling described motor and driving described rotation axis to rotate, control described motor to stop driving described rotation axis one schedule time, then control described motor and drive described rotation axis rotate and described weight test specimen is declined; And when making described weight test specimen drop to the position that can not decline again when controlling described motor and driving described rotation axis to rotate, control described motor and stop driving described in described rotation axis the schedule time, then control described motor and drive described rotation axis rotate and make described weight test specimen increase.
In the above-described embodiment, the schedule time can be the time period set arbitrarily, such as 5 minutes.The setting of this time can be detect deformation or the time required for clamping stagnation.
In one embodiment, the weight of the weight test specimen in said method can be more than or equal to the weight of spare tyre.Such as, in order to ensure spare tyre lifter safe handling in actual use, the weight that can arrange weight test specimen is 2 times of spare tyre weight, and the qualified spare tyre lifter of detection so just can be made to have the safety coefficient that coefficient is 2.
Fig. 2 is the apparatus structure schematic diagram of the method according to the rotary spare tyre lifter performance of the test mechanical of a kind of enforcement of embodiment of the present invention.As shown in Figure 2 for implementing the device of the method for the rotary spare tyre lifter performance of above-mentioned test mechanical, this device comprises: stand 1, is configured to fixing spare tyre lifter 2 and motor 3; Described motor 3, is configured to drive described rotation axis 4 can rotate to make described rotation axis 4; Controller 5, is connected with described motor 3, is configured to control described motor 3 and runs; And weight test specimen 6, be configured to be connected with the free end of described winding lifting piece 7.Wherein, stand 1 can be metal material, and controller 5 can be general processor, programmable logic controller (PLC) or single-chip microcomputer etc.
In said apparatus, spare tyre lifter 2 and motor 3 can be bolted on stand 1.For ease of installing, can be preset with spare tyre lifter 2 with the bolt hole that matches of the installation site of motor 3 on stand 1.
In one embodiment, spare tyre lifter 2 has the rocker shaft (not shown) linked with described rotation axis 4, and described motor 3 is configured to be connected with described rocker shaft by shaft coupling (not shown) drive described rotation axis 4.
Pass through technique scheme, controlling motor-driven rotation axle makes weight test specimen be elevated the operational process can simulating spare tyre lifter, therefore, it is possible to test the performance of spare tyre lifter when not being installed on vehicle by spare tyre lifter, thus determine that can the spare tyre lifter produced meet design request for utilization.
Spare tyre lifter is a kind of infrequently use but the vehicle part higher to reliability requirement.Because therefore the singularity (be installed on lower vehicle and infrequently use) of its installation and use location be difficult to detect designing the spare tyre lifter produced in the prior art.By method and apparatus provided by the invention, analog detection can be carried out to the applying working condition of spare tyre lifter, thus verify whether it meets performance requirement, thus ensure the quality designing the spare tyre lifter produced.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, such as temperature setting with apply combined, the different predetermined temperature value of silt and motor rotations combined etc.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (9)

1. the method for the rotary spare tyre lifter performance of test mechanical, wherein said spare tyre lifter comprises rotation axis and is wound around lifting piece, one end of described winding lifting piece is fixed and is wrapped on described rotation axis, the other end of described winding lifting piece is the free end being connected with weight test specimen, and the method comprises:
Controlling motor drives described rotation axis to rotate, and rises or decline to make described weight test specimen;
When described weight test specimen rising or decline unit length, control described motor and stop driving described rotation axis;
Detect in described spare tyre lifter and whether have parts to occur deformation or clamping stagnation; And
When do not detect there is described deformation or clamping stagnation time, continue to perform above-mentioned three steps, when described weight test specimen rise or the unit length of decline predetermined quantity time, determine that described spare tyre lifter performance is qualified.
2. method according to claim 1, wherein, described spare tyre lifter is placed in the environment with predetermined temperature value.
3. method according to claim 1, wherein, each parts of described spare tyre lifter is coated with silt.
4. method according to claim 1, wherein, the unit length sum of described predetermined quantity is corresponding to the length making described weight test specimen complete following process at least one times to move:
Make described weight test specimen rise from initial position or decline, rise when described weight test specimen or when dropping to the position that can not rise again or decline, described weight test specimen declined or rises until described initial position got back to by described weight test specimen.
5. method according to claim 1, wherein said deformation comprises following one at least: flexible, distortion and fracture.
6. method according to claim 1, wherein said winding lifting piece is chain link or wire rope.
7. method according to claim 1, the weight of wherein said weight test specimen is more than or equal to the weight of spare tyre.
8., for implementing a device for the method for the rotary spare tyre lifter performance of test mechanical any one of claim 1-7 described in claim, this device comprises:
Stand, is configured to fixing described spare tyre lifter and described motor;
Described motor, is configured to drive described rotation axis to rotate to enable described rotation axis;
Controller, is connected with described motor, is configured to control described motor and runs; And
Weight test specimen, is configured to be connected with the free end of described winding lifting piece.
9. device according to claim 8, wherein said spare tyre lifter has the rocker shaft linked with described rotation axis, and described motor is configured to be connected with described rocker shaft by shaft coupling drive described rotation axis.
CN201310232643.4A 2013-06-13 2013-06-13 Method and device of testing performance of mechanical rotary spare wheel up-down regulator CN104236873A (en)

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Application publication date: 20141224