CN109443729B - Test device and test method for simulating rolling of automobile - Google Patents
Test device and test method for simulating rolling of automobile Download PDFInfo
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- CN109443729B CN109443729B CN201811471585.XA CN201811471585A CN109443729B CN 109443729 B CN109443729 B CN 109443729B CN 201811471585 A CN201811471585 A CN 201811471585A CN 109443729 B CN109443729 B CN 109443729B
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000005096 rolling process Methods 0.000 title claims abstract description 35
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims description 31
- 238000005381 potential energy Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tires In General (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a test device and a test method for simulating rolling of an automobile, wherein the test device comprises a support, a driving device, a tire group and a controller, wherein the support is arranged on the ground or a test table, the driving device is fixed on the support, the tire group is connected to the support in a sliding manner, the driving device can drive the tire group to horizontally move along the length direction of the support and roll a sample on the ground or the test table, and the controller is electrically connected with the driving device. The invention simulates the process of rolling the oil gun or charging gun of the automobile tire in actual life, and fills the blank of the research in the prior art.
Description
Technical Field
The invention relates to an automobile rolling simulation test device, in particular to a test device and a test method for simulating an automobile rolling charging gun or an oil gun.
Background
In daily use, the automobile charging gun or the oil gun can be rolled by a passing automobile on a falling ground. If the gun body is poor in strength, the gun body can be deformed or even broken by the wheel pressure, and serious accidents such as electric leakage or oil leakage, short circuit, fire, injury to people and the like can be caused. Therefore, a simulated rolling test is required to be carried out on the charging gun or the oil gun, and whether the product is damaged by rolling of the automobile or not can be verified. No research on such devices has been disclosed.
Disclosure of Invention
In order to overcome the defects, the invention provides a test device for simulating rolling of an automobile, which is used for verifying whether rolled products generate deformation or damage exceeding the specification by simulating the rolling process of a charging gun or a fuel gun by an automobile tire in the actual use process.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a test device that simulation car rolled, includes support, drive arrangement, tire group and the controller of placing in ground or test bench, drive arrangement is fixed in on the support, tire group sliding connection is in the support, drive arrangement can drive the tire group and carry out horizontal movement and roll the sample on ground or the test bench along the length direction of support, controller electric connection drive arrangement.
Preferably, the bracket includes two parallel horizontal bars arranged in the length direction of the bracket, two parallel connecting bars arranged in the width direction of the bracket, and a base fixedly connected to the bracket.
Preferably, the driving device comprises a motor and synchronous wheels, the lower ends of the two connecting rods are fixedly provided with the synchronous wheels, the motor is connected with any synchronous wheel through a first synchronous belt, the two synchronous wheels are connected through a second synchronous belt, the second synchronous belt is fixedly connected with the tire set, and the motor and the controller are fixed on the base.
Preferably, the second synchronous belt is connected to the tire group through a detachable clamping block in a clamping manner.
Preferably, the support is further provided with a moving rod, a guide rail is arranged on the upper side of the horizontal rod along the length direction of the horizontal rod, sliding blocks matched with the guide rail are arranged at two ends of the moving rod, and the tire group is connected to the lower end of the moving rod.
Preferably, the upper end of the tire group is fixedly connected with a supporting fork, a lifting guide column is arranged between the supporting fork and the moving rod, the upper end of the lifting guide column is fixed on the moving rod, the lower end of the lifting guide column is movably connected with the tire group, and the lifting guide column can drive the tire group to move up and down.
Preferably, two lifting guide posts are provided which are capable of driving the tyre set up and down between the moving bar and the ground or test bench.
Preferably, the tire set comprises a tire and weights fixed to both sides of the tire.
Preferably, the bottom of the bracket is provided with a fuma wheel which is convenient for fixing or moving the device, the bracket is provided with two sensors which are convenient for controlling the starting and closing of the driving device, one sensor corresponds to the starting point of the tire group, the other sensor corresponds to the sample position, and inclined blocks are respectively arranged at the starting point and the end point of the tire group.
The invention also provides a test method for simulating rolling of the automobile, which comprises the following steps:
step one: the starting controller initializes the device and controls the tire group to be positioned at the inclined block of the starting point;
step two: placing a sample to be tested at a preset position, and adjusting the height of the tire group by utilizing a lifting guide post according to the height of the sample;
step three: the running speed of the tire group is determined by setting the motor rotating speed of the driving device through the control panel of the controller, rolling loads are adjusted by selecting weights with different specifications, and tire pressure is adjusted by inflating and deflating the tires, so that the running speed, rolling loads and tire pressure of the tire group are preset;
step four: starting a test, enabling the tire group to move from a starting point to a sample under the drive of a motor, accelerating to a set speed, then driving to a sensor, namely the sample, sensing a moving rod by the sensor, feeding back to a controller, and controlling the motor to stop running by the controller;
step five: the tire group converts kinetic energy into rising potential energy under the action of inertia of the tire group, and after rolling the sample to be measured, the tire group continues to move forwards slowly until the tire group is stopped after the tire group is inclined;
step six: and taking out the sample to be tested, carrying out loss evaluation to obtain whether the sample is a qualified product, wherein the test process is a rolling one-time test process, and repeating the second to fifth steps if the sample to be tested needs to be rolled for multiple times.
The beneficial effects of the invention are as follows:
1) The controller in the test device controls the operation of the driving device, the driving device drives the tire group to roll, when the tire group rolls to the sample, the driving device stops operating, the tire group rolls the sample by utilizing the inertia of the tire group, so that the process of rolling a fuel gun or a charging gun of an automobile tire in actual life is simulated, and the invention fills the blank of the research in the prior art;
2) According to the invention, the upper and lower floating ranges of the tire group are adjusted through the lifting guide post, so that the test requirements of samples with different heights are met; different weights with different weights are fixed on two sides of the tire to meet different load conditions of a rolling sample, the controller can set the rotating speed of the motor, namely, adjust different running speeds of the tire, and adjust different tire pressures through inflation and deflation, so that the device can perform rolling test of various different test parameters;
3) The synchronous belt is adopted to transfer motion among the motor, the synchronous wheel and the tire group, so that the synchronous belt type tire has the characteristics of simple structure, large travel range and high efficiency, and the bottom of the device is provided with the synchronous belt Ma Lun, so that the equipment can be conveniently moved;
4) The dual stopping mode of the sensor sensing software stopping and the inclined block physical stopping is adopted, so that the impact force is small, and the safety and the reliability are realized; the device adopts an open frame structure, so that later maintenance is facilitated;
5) The invention utilizes the principle of potential energy kinetic energy conversion, and the motor stops power transmission immediately before encountering a product, the tire group converts potential energy by inertia kinetic energy to roll the product to be tested, thereby saving electric energy, reducing impact force, simultaneously enabling the tire group to be in an automatic floating state, being hardly influenced by vertical friction force except dead weight, enabling the simulation test to be closer to an actual use state, and improving the reliability of the test.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a top view of the present invention;
in the figure: 10-bracket, 11-horizontal bar, 12-connecting bar, 13-movable bar, 14-lifting guide pillar, 15-supporting fork, 16-sensor, 17-Fu Ma Lun, 18-base, 19-guide rail, 20-driving device, 21-motor, 22-synchronizing wheel, 23-first synchronous belt, 24-second synchronous belt, 30-tire group, 31-tire, 32-weight, 40-sample, 50-oblique block, 60-controller.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-3, a test device for simulating rolling of an automobile comprises a support 10 arranged on the ground or a test table, a driving device 20, a tire set 30 and a controller 60, wherein the driving device 20 is fixed on the support 10, the tire set 30 is slidably connected to the support, the driving device 20 can drive the tire set to horizontally move along the length direction of the support and roll a sample 40 on the ground or the test table, and the controller 60 is electrically connected with the driving device 20. The bracket 10 includes two parallel horizontal bars 11 arranged in the length direction of the bracket, two parallel connecting bars 12 arranged in the width direction of the bracket, and a base 18 fixedly connected to the bracket. The test device can simulate the test of the oil gun or the charging gun of the automobile rolling on the ground, the controller 60 controls the driving device 20 to operate, the driving device drives the tire group 30 to roll, when the tire group 30 rolls to the sample, the driving device stops operating, and the tire group rolls the sample by utilizing inertia, so that the process of rolling the oil gun or the charging gun of the automobile tire in actual life is simulated.
As shown in fig. 2, the driving device 20 includes a motor 21 and a synchronizing wheel 22, the synchronizing wheels 22 are fixedly arranged at the lower ends of the two connecting rods 12, the motor 21 is connected with any synchronizing wheel 22 through a first synchronizing belt 23, the two synchronizing wheels are connected through a second synchronizing belt 24, the second synchronizing belt 24 is fixedly connected with the tire set 30, and the motor 21 and the controller 60 are fixed on the base 18. The second synchronous belt 24 is connected to the tire set 30 through a detachable clamping block, that is, the second synchronous belt is connected to the supporting fork 15 in a clamping manner, the synchronous wheel connected with the second synchronous belt is driven to rotate during operation of the motor, the synchronous wheel on the other side is driven to rotate through the second synchronous belt 24, and the second synchronous belt moves linearly between the two synchronous wheels, so that the tire set is driven to move left and right along the length direction of the support.
The support 10 is further provided with a moving rod 13, a guide rail 19 is arranged on the upper side of the horizontal rod 11 along the length direction of the horizontal rod, sliding blocks matched with the guide rail are arranged at two ends of the moving rod 13, and the tire group 30 is connected to the lower end of the moving rod 13. When the motor drives the second synchronous wheel to run, the movable rod 13 slides along the sliding rail through the sliding block, and the tire groups synchronously run. The upper end of the tire group 30 is fixedly connected with a supporting fork 15, two lifting guide posts 14 are arranged between the supporting fork 15 and the moving rod 13, the upper ends of the lifting guide posts are fixed on the moving rod 13, the lower ends of the lifting guide posts are movably connected with the tire group 30, and the lifting guide posts can drive the tire group to move up and down between the moving rod 13 and the ground or a test table. The test requirements of samples with different heights are met by adjusting the up-down direction of the tire group.
The tire set 30 includes a tire 31 and weights 32 fixed to both sides of the tire. Different load conditions of rolling samples are met by fixing weights with different weights on two sides of the tire, the rotating speed of the motor can be set through the controller, namely, different running speeds of the tire are adjusted, and different tire pressures are adjusted through inflation and deflation, so that the device can perform rolling tests of various different test parameters. The bottom of the bracket 10 is provided with a sensor Ma Lun 17 for facilitating the fixing or moving of the device, the bracket 10 is provided with two sensors 16 for facilitating the control of the starting and closing of the driving device 20, one sensor corresponds to the starting point of the tire set, the other sensor corresponds to the sample 40, and the starting point and the end point of the tire set 30 are respectively provided with an inclined block 50. Two sensors 16 are arranged on the horizontal rod 11 at any side of the bracket, one sensor corresponds to the starting position of the tire group, the other sensor corresponds to the stopping position of the motor, at the moment, the tire is just close to the sample but does not pass through the sample, and the sensor senses the corresponding position of the movable rod, so that the starting and stopping of the motor are automatically controlled; and simultaneously, the inclined blocks 50 are combined to stop the tire group, so that the impact force is small, and the tire group is safe and reliable.
The operation process of the invention comprises the following steps: the method comprises the following steps:
step one: the start controller initializes the device and controls the tire set 30 to be located at the starting diagonal block 50;
step two: placing a sample 40 to be tested at a preset position, and adjusting the height of the tire group 30 by utilizing the lifting guide pillar 14 according to the height of the sample;
step three: the running speed of the tire group is determined by setting the motor rotation speed of the driving device through the control panel of the controller 60, the rolling load is adjusted by selecting weights 32 with different specifications, and the tire pressure is adjusted by inflating and deflating the tire 31, so that the running speed, the rolling load and the tire pressure of the tire group are preset;
step four: starting a test, wherein the tire group 30 moves from a starting point to a sample under the drive of a motor, and is accelerated to a set speed and then runs to a sensor 16, namely the sample, and the sensor senses a moving rod and feeds back to a controller, and the controller controls the motor to stop running;
step five: the tire group 30 converts kinetic energy into rising potential energy under the action of inertia, and after rolling the sample to be measured, the tire group continues to move forward slowly until the inclined block 50 is stopped;
step six: and taking out the sample 40 to be tested, carrying out loss evaluation to obtain whether the sample is a qualified product, wherein the test process is a rolling one-time test process, and repeating the steps two to five if the sample to be tested needs to be rolled for a plurality of times. The starting point and the end point of the tire group 30 in the test process can be adjusted as required, the position of the sensor can be correspondingly moved, and the position of the sample can be adjusted, so that the test method has wide application range.
It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. A test device for simulating rolling of an automobile is characterized in that: the device comprises a support (10) arranged on the ground or a test table, a driving device (20), a tire group (30) and a controller (60), wherein the driving device (20) is fixed on the support (10), the tire group (30) is connected to the support in a sliding manner, the driving device (20) can drive the tire group to horizontally move along the length direction of the support and roll a sample (40) on the ground or the test table, the controller (60) is electrically connected with the driving device (20), and the support (10) comprises two parallel horizontal rods (11) arranged along the length direction of the support, two parallel connecting rods (12) arranged along the width direction of the support and a base (18) fixedly connected to the support;
the driving device (20) comprises a motor (21) and synchronous wheels (22), the lower ends of the two connecting rods (12) are fixedly provided with the synchronous wheels (22), the motor (21) is connected with any synchronous wheel (22) through a first synchronous belt (23), the two synchronous wheels are connected through a second synchronous belt (24), the second synchronous belt (24) is fixedly connected with a tire group (30), the motor (21) and the controller (60) are fixed on the base (18), and the tire group (30) comprises tires (31) and weights (32) fixed on two sides of the tires;
the bottom of support (10) is equipped with fuma wheel (17) and is convenient for the fixed or the removal of device, be equipped with two sensors (16) on support (10) and be convenient for control the start-up and the closing of drive arrangement (20), one of them sensor corresponds the starting point of tire group, and another sensor corresponds sample (40) department, is equipped with sloping block (50) respectively at starting point and terminal point of tire group (30).
2. The test device for simulating rolling of automobiles according to claim 1, wherein: the second synchronous belt (24) is connected to the tire group (30) through a detachable clamping block in a clamping mode.
3. The test device for simulating rolling of automobiles according to claim 1, wherein: the support (10) is further provided with a moving rod (13), the upper side of the horizontal rod (11) is provided with a guide rail (19) along the length direction of the horizontal rod, two ends of the moving rod (13) are provided with sliding blocks matched with the guide rail, and the tire group (30) is connected to the lower end of the moving rod (13).
4. A test device for simulating rolling compaction of a vehicle according to claim 3, wherein: the tire group (30) upper end fixed connection support fork (15), be equipped with lift guide pillar (14) between support fork (15) and movable rod (13), lift guide pillar upper end is fixed in movable rod (13), lower extreme swing joint tire group (30), this lift guide pillar can drive the tire group and carry out up-and-down motion.
5. The test device for simulating rolling of automobiles according to claim 4, wherein: two lifting guide posts (14) are arranged, and the lifting guide posts can drive the tire group to move up and down between the moving rod (13) and the ground or the test table.
6. A test method using the test device according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
step one: the starting controller initializes the device and controls the tire group (30) to be positioned at the inclined block (50) of the starting point;
step two: placing a sample (40) to be tested at a preset position, and adjusting the height of the tire group (30) by utilizing the lifting guide pillar (14) according to the height of the sample;
step three: the running speed of the tire group is determined by setting the motor rotating speed of the driving device through a control panel of the controller (60), rolling load is adjusted by selecting weights (32) with different specifications, and tire pressure is adjusted by inflating and deflating the tires (31), so that the running speed, rolling load and tire pressure of the tire group are preset;
step four: starting a test, wherein the tire group (30) moves towards the sample from a starting point under the drive of a motor, and then runs to a sensor (16), namely the sample after being accelerated to a set speed, and the sensor senses a moving rod and feeds back to a controller, and the controller controls the motor to stop running;
step five: the tire group (30) converts kinetic energy into rising potential energy under the action of inertia, and after a sample to be measured is rolled, the tire group continuously moves forwards and slowly until the tire group is stopped after the tire group moves forwards and slowly until the tire group is stopped at the inclined block (50);
step six: and taking out the sample (40) to be tested, carrying out loss evaluation to obtain whether the sample is a qualified product, wherein the test process is a rolling one-time test process, and repeating the second to fifth steps if the sample to be tested needs to be rolled for a plurality of times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811471585.XA CN109443729B (en) | 2018-12-04 | 2018-12-04 | Test device and test method for simulating rolling of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471585.XA CN109443729B (en) | 2018-12-04 | 2018-12-04 | Test device and test method for simulating rolling of automobile |
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| CN109443729A CN109443729A (en) | 2019-03-08 |
| CN109443729B true CN109443729B (en) | 2024-03-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208013A (en) * | 2020-03-09 | 2020-05-29 | 浙江省机电产品质量检测所 | IC-CPD simulation vehicle rolling test device and working method |
| CN112613213B (en) * | 2020-12-22 | 2022-09-06 | 国创移动能源创新中心(江苏)有限公司 | Rolling simulation method |
| CN114047054B (en) * | 2021-11-15 | 2024-03-26 | 中国第一汽车股份有限公司 | Rolling test device and test method thereof |
| CN114577495B (en) * | 2022-03-16 | 2025-05-02 | 广东粤港澳大湾区黄埔材料研究院 | A kind of aviation tire cable test equipment and method |
| CN117387970B (en) * | 2023-12-12 | 2024-03-08 | 中国农业大学 | A multifunctional mobile tire test bench and tire testing method |
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