CN216410618U - Automobile passenger handrail durability test device - Google Patents
Automobile passenger handrail durability test device Download PDFInfo
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- CN216410618U CN216410618U CN202122442107.XU CN202122442107U CN216410618U CN 216410618 U CN216410618 U CN 216410618U CN 202122442107 U CN202122442107 U CN 202122442107U CN 216410618 U CN216410618 U CN 216410618U
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- handrail
- armrest
- position sensor
- passenger
- fixing clamp
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims description 30
- 239000011888 foil Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a durability test device for an automobile passenger handrail, which is characterized by comprising a rack, a control unit, a telescopic cylinder and a handrail fixing clamp, wherein the control unit, the telescopic cylinder and the handrail fixing clamp are arranged on the rack; the telescopic air cylinder is arranged on the rack through an air cylinder fixing clamp and is connected with an air source through a compressed air pipe, and an air path control valve connected with the control unit is arranged on the compressed air pipe; the end part of a piston rod of the telescopic cylinder is connected with a handrail to be detected fixed on the handrail fixing clamp through a pull wire, the handrail fixing clamp is further provided with an opening position sensor and a closing position sensor, and the opening position sensor and the closing position sensor are connected with the control unit. The utility model realizes the durability assessment of the automobile passenger handrail and has the advantages of simple structure, low manufacturing cost, good universality, flexible and simple operation, high reliability and the like.
Description
Technical Field
The utility model belongs to the technical field of devices for testing automobile parts, and particularly relates to a device for testing the durability of an automobile passenger handrail.
Background
The automobile passenger handrail is a functional part commonly used in automotive interior, has a certain bearing capacity and is installed at the position of a ceiling close to an automobile door on the roof for meeting the comfort requirement of passengers, and the function of the handrail is that passengers can drag the handrail. A tandem car is typically fitted with three or more passenger handrails. The automobile passenger handrail is mainly divided into a fixed structure and a rotary structure according to the structure type, the rotary structure is provided with a rotary shaft and can rotate around the rotary shaft, and the automobile passenger handrail has the characteristics of flexible operation, small occupied space, attractive appearance and the like. The passenger handrail with the rotary structure is pulled out and opened when in use and is automatically closed when not in use, and the abnormal sound caused by overturning impact can be avoided by the damping structure. With the increasing demands of customers, passenger handrails of a rotary structure are increasingly used in passenger vehicles.
The passenger handrail of rotation type structure has higher requirement to durable reliability, if the durable type trouble appears in rotation type passenger handrail, can lead to unable use, and the outward appearance can't be laminated, produces abnormal phenomena such as abnormal sound during the operation. Therefore, it is imperative to make a test device to verify the durability of the passenger handrail, and the related test device is lacking in the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model designs an automobile passenger handrail durability test device.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a durability test device for an automobile passenger handrail comprises a rack, a control unit, a telescopic cylinder and a handrail fixing clamp, wherein the control unit, the telescopic cylinder and the handrail fixing clamp are arranged on the rack; the telescopic air cylinder is arranged on the rack through an air cylinder fixing clamp and is connected with an air source through a compressed air pipe, and an air path control valve connected with the control unit is arranged on the compressed air pipe; the end part of a piston rod of the telescopic cylinder is connected with a handrail to be detected fixed on the handrail fixing clamp through a pull wire, the handrail fixing clamp is further provided with an opening position sensor and a closing position sensor, and the opening position sensor and the closing position sensor are connected with the control unit.
Furthermore, the end part of the piston rod of the telescopic cylinder, the pull wire and the middle point of the moving part of the handrail to be measured are positioned on the same plane.
Further, the telescopic cylinder is arranged on the lower portion of the rack, and the handrail fixing clamp is arranged on the upper portion of the rack.
Further, the control unit comprises an industrial personal computer or a single chip microcomputer or a PLC controller, a relay, a timer and a counter.
Further, the cylinder fixing clamp comprises a fixing plate and a clamping mechanism, and a plurality of mounting holes are formed in the fixing plate to adjust the mounting position of the telescopic cylinder.
Further, the handrail fixing clamp is connected with the rack through an up-down adjusting mechanism and a left-right adjusting mechanism.
Furthermore, the up-down adjusting mechanism and the left-right adjusting mechanism both adopt adjusting mechanisms matched with a sliding groove and a T-shaped bolt.
Or the up-down adjusting mechanism comprises two rows of mounting holes arranged on the mounting plate of the rack so as to adjust the up-down mounting position of the handrail fixing clamp; the left and right adjusting mechanism comprises two rows of mounting holes arranged on the mounting plate of the rack so as to adjust the mounting positions of the armrest fixing clamp in the left and right directions.
Furthermore, the opening position sensor and the closing position sensor both adopt proximity switches to work in cooperation with the tinfoil paper adhered to the surface of the handrail to be detected.
Further, the bottom of the rack is provided with a moving wheel.
This car passenger handrail durability test device has following beneficial effect:
(1) the utility model realizes the examination of the durability of the automobile passenger handrail by the combined design of electric appliance control, pneumatic drive and mechanical fixing mechanisms, and has the advantages of simple structure, low manufacturing cost, good universality, flexible and simple operation, high reliability and the like.
(2) The utility model simulates the operation mode of a real vehicle, performs durability examination on the automobile passenger handrail and has reliable examination result.
Drawings
FIG. 1: the structural schematic diagram of the automobile passenger handrail durability test device in the embodiment of the utility model.
Description of reference numerals:
1-a control unit; 2-gas path control valve; 3, compressing an air pipe; 4, a telescopic cylinder; 5, fixing a clamp by using an air cylinder; 6-pulling a wire; 7-handrail to be measured 8-handrail fixing clamp; 9-open position sensor; 10-off position sensor; 11-a gantry; 111 — moving wheel.
Detailed Description
The utility model will be further explained with reference to the accompanying drawings:
fig. 1 shows an embodiment of a durability test apparatus for an armrest of an automobile passenger according to the present invention. Fig. 1 is a schematic configuration diagram of an automobile passenger handrail durability test apparatus according to the present embodiment.
As shown in fig. 1, the durability test device for the armrest of the passenger in the automobile according to the present embodiment includes a rack 11, and a control unit 1, a telescopic cylinder 4, and an armrest fixing jig 8, which are provided on the rack 11; the telescopic cylinder 4 is arranged on the rack 11 through a cylinder fixing clamp 5, the telescopic cylinder 4 is connected with an air source through a compressed air pipe 3, and an air path control valve 2 connected with the control unit 1 is arranged on the compressed air pipe 3; the end part of a piston rod of the telescopic cylinder 4 is connected with a handrail 7 to be measured fixed on a handrail fixing clamp 8 through a pull wire 6, the handrail fixing clamp 8 is also provided with an opening position sensor 9 and a closing position sensor 10, and the opening position sensor 9 and the closing position sensor 10 are connected with the control unit 1.
Preferably, the end of the piston rod of the telescopic cylinder 4, the pull wire 6 and the middle point of the moving part of the handrail 7 to be measured are positioned on the same plane, as shown in fig. 1. The telescopic cylinder 4 adopts a speed-adjustable cylinder, a piston rod of the cylinder is driven to stretch up and down by compressed air, and then the handrail 7 to be tested is driven to move by the stay wire 6. The stay wire 6 is used for connecting the telescopic cylinder 4 and the handrail 7 to be tested and transmitting the tensile force of the cylinder. The handrail 7 to be tested is a tested sample and is arranged on the handrail fixing clamp 8, and the pull wire 6 is connected to the middle of the moving part of the handrail 7 to be tested.
Preferably, the telescopic cylinder 4 is provided at a lower portion of the stand 11, and the handrail fixing jig 8 is provided at an upper portion of the stand 11, as shown in fig. 1.
Preferably, the control unit 1 includes an industrial personal computer or a single chip microcomputer or a PLC controller, a relay, a timer, a counter, etc. The control unit 1 has functions of logical operation, sequence control, timing, counting, storage, display, and the like.
Preferably, the cylinder fixing jig 5 includes a fixing plate provided with a plurality of mounting holes to adjust the mounting position of the telescopic cylinder 4, and a clamping mechanism.
Preferably, the handrail fixing jig 8 is connected to the table 11 through an up-down adjusting mechanism and a left-right adjusting mechanism. The upper and lower adjusting mechanisms and the left and right adjusting mechanisms can adopt adjusting mechanisms matched with a sliding groove and a T-shaped bolt. Namely, the up-down adjusting mechanism comprises an up-down sliding chute structure arranged on the mounting plate of the rack 11, and the sliding chute structure is matched with the T-shaped bolt to adjust the up-down mounting position of the handrail fixing clamp 8; the left-right adjusting mechanism comprises a left-right sliding groove structure arranged on the mounting plate of the rack 11, and the sliding groove structure is matched with a T-shaped bolt to adjust the left-right mounting position of the handrail fixing clamp 8. The mounting plate can adopt special section bars, and is low in cost.
The up-down adjusting mechanism and the left-right adjusting mechanism can also adopt the following structures: the up-down adjusting mechanism comprises two rows of mounting holes arranged on the mounting plate of the rack 11 so as to adjust the up-down mounting position of the handrail fixing clamp 8; the left-right adjusting mechanism comprises two rows of mounting holes arranged on a mounting plate of the rack 11 so as to adjust the left-right mounting position of the handrail fixing clamp 8.
The handrail fixing clamp 8 is used for manufacturing different passenger handrail fixing clamps according to different tested pieces, is fixed on the rack 11 and can be adjusted up, down, left and right on the rack 11 so as to simulate the actual installation state position.
Preferably, both the on position sensor 9 and the off position sensor 10 use proximity switches to cooperate with the tinfoil paper affixed to the surface of the handrail 7 to be measured. The opening position sensor 9 detects the opening position of the handrail 7 to be detected, and the signal of the opening position sensor is connected to the control unit 1; the closed position sensor 10 is used to detect the closed position of the handrail 7 to be measured, and its signal is connected to the control unit 1.
Preferably, the platform 11 is of a profile frame structure, and the bottom of the platform 11 is provided with moving wheels 111 for convenient transportation and movement.
Preferably, the gas path control valve 2 is a gas path control solenoid valve.
Before the test, fixing the handrail 7 to be tested on a handrail fixing clamp 8, and connecting the middle point of the moving part of the handrail 7 to be tested with the telescopic cylinder 4 through a pull wire 6; the middle point of the moving part of the handrail 7 to be measured, the stay wire 6 and the end of the telescopic cylinder 4 are positioned on or approximately positioned on a plane by adjusting the handrail fixing clamp 8 and the cylinder fixing clamp 5; and sticking the tin foil paper on the corresponding surface of the handrail 7 to be detected. The function of the tinfoil paper is to enable the opening position sensor 9 and the closing position sensor 10 to sense signals in the test process, so that the sensors are prevented from contacting with the handrail 7 to be tested, and the friction damage caused by the contact of the sensors and the handrail 7 to be tested is avoided.
The specific test method is set up as follows:
(1) the control unit 1 is started, and endurance test parameters are set: endurance times, cycle sequence, rest time of the handrail 7 to be tested in an open/closed state, and the like, and setting protection limits;
(2) starting a compressed air source and adjusting the telescopic speed of the telescopic cylinder 4;
(3) starting the test device, wherein a control unit 1 outputs a retraction signal to an air path control valve 2, the air path control valve 2 provides compressed air in the retraction direction to a telescopic cylinder 4, a piston rod of the telescopic cylinder 4 retracts and pulls a handrail 7 to be tested to open through a pull wire 6, when the handrail 7 to be tested is opened to an opening position, an opening position sensor 9 senses tin foil paper on the handrail 7 to be tested and sends the tin foil paper to the control unit 1 to send an opening signal, after the control unit 1 receives the opening signal, the air path control valve 2 is controlled to stop working, and the telescopic cylinder 4 does not pull the handrail 7 to be tested to move; the handrail 7 to be tested enters the rest time, when the rest time reaches the set time, the control unit 1 outputs an extension signal to the air path control valve 2, the air path control valve 2 provides compressed air in the extension direction to the telescopic cylinder 4, a piston rod of the telescopic cylinder 4 extends to release the handrail 7 to be tested, the handrail 7 to be tested is automatically closed through self damping or spring action, when the handrail 7 to be tested runs to the closed position, the closed position sensor 10 is inducted with tin foil paper on the handrail 7 to be tested and sends a closing signal to the control unit 1, after the control unit 1 receives the closing signal, the air path control valve 2 is controlled to stop working, the telescopic cylinder 4 does not move any more, the handrail 7 to be tested enters the rest time, when the rest time reaches the set time, the test is represented to complete a cycle, and the control unit 1 displays that the test completion times are 1. And (4) by analogy, completing the next cycle according to the step (3) until the set endurance times are completed or the handrail 7 to be tested breaks down, and then obtaining a test result. At this point, the natural state of the handrail 7 to be measured is the closed state, and the handrail 7 to be measured is in the closed state before the durability test.
The utility model realizes the examination of the durability of the automobile passenger handrail by the combined design of electric appliance control, pneumatic drive and mechanical fixing mechanisms, and has the advantages of simple structure, low manufacturing cost, good universality, flexible and simple operation, high reliability and the like.
The utility model simulates the operation mode of a real vehicle, performs durability examination on the automobile passenger handrail and has reliable examination result.
The utility model is described above with reference to the accompanying drawings, it is obvious that the implementation of the utility model is not limited in the above manner, and it is within the scope of the utility model to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. A durability test device for an automobile passenger handrail is characterized by comprising a rack, a control unit, a telescopic cylinder and a handrail fixing clamp, wherein the control unit, the telescopic cylinder and the handrail fixing clamp are arranged on the rack; the telescopic air cylinder is arranged on the rack through an air cylinder fixing clamp and is connected with an air source through a compressed air pipe, and an air path control valve connected with the control unit is arranged on the compressed air pipe; the end part of a piston rod of the telescopic cylinder is connected with a handrail to be detected fixed on the handrail fixing clamp through a pull wire, the handrail fixing clamp is further provided with an opening position sensor and a closing position sensor, and the opening position sensor and the closing position sensor are connected with the control unit.
2. The apparatus for testing durability of an armrest for a vehicle passenger according to claim 1, wherein the end of the piston rod of the telescopic cylinder, the pull wire, and the middle point of the moving portion of the armrest to be tested are located on the same plane.
3. The apparatus for testing durability of an armrest for a passenger of an automobile according to claim 1 or 2, wherein the telescopic cylinder is provided at a lower portion of the table frame, and the armrest fixing jig is provided at an upper portion of the table frame.
4. The device for testing the durability of the armrest of the automobile passenger as claimed in claim 1, wherein the control unit comprises an industrial personal computer or a single chip microcomputer or a PLC controller, a relay, a timer and a counter.
5. The apparatus for testing durability of an armrest of a passenger in a vehicle according to claim 1, wherein the cylinder fixing jig comprises a fixing plate and a clamping mechanism, and a plurality of mounting holes are formed in the fixing plate to adjust a mounting position of the telescopic cylinder.
6. The apparatus for testing durability of an armrest for a passenger of an automobile according to claim 1, wherein the armrest fixing jig is coupled to the stand by an up-down adjusting mechanism and a left-right adjusting mechanism.
7. The apparatus for testing durability of an armrest for a passenger in a vehicle according to claim 6, wherein the vertical adjustment mechanism and the horizontal adjustment mechanism are both adjustment mechanisms with a sliding groove and a T-bolt.
8. The apparatus for testing durability of an armrest of an automobile passenger as claimed in claim 6, wherein the up-down adjusting mechanism includes two rows of mounting holes provided on the mounting plate of the stand to adjust a mounting position of the armrest fixing jig up and down; the left and right adjusting mechanism comprises two rows of mounting holes arranged on the mounting plate of the rack so as to adjust the left and right mounting positions of the handrail fixing clamp.
9. The apparatus of claim 1, wherein the on position sensor and the off position sensor each employ a proximity switch to cooperate with a foil adhered to a surface of the handrail.
10. The apparatus for testing durability of an armrest for a passenger of an automobile according to claim 1, wherein a moving wheel is provided at a bottom of the stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442107.XU CN216410618U (en) | 2021-10-11 | 2021-10-11 | Automobile passenger handrail durability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442107.XU CN216410618U (en) | 2021-10-11 | 2021-10-11 | Automobile passenger handrail durability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216410618U true CN216410618U (en) | 2022-04-29 |
Family
ID=81295520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122442107.XU Active CN216410618U (en) | 2021-10-11 | 2021-10-11 | Automobile passenger handrail durability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216410618U (en) |
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2021
- 2021-10-11 CN CN202122442107.XU patent/CN216410618U/en active Active
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