CN111855237A - Tire burst test platform - Google Patents
Tire burst test platform Download PDFInfo
- Publication number
- CN111855237A CN111855237A CN202010831914.8A CN202010831914A CN111855237A CN 111855237 A CN111855237 A CN 111855237A CN 202010831914 A CN202010831914 A CN 202010831914A CN 111855237 A CN111855237 A CN 111855237A
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- puncture
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- puncture body
- platform
- tool apron
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 230000000284 resting effect Effects 0.000 claims 1
- 238000012549 training Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tires In General (AREA)
Abstract
The invention provides a tire burst test platform which comprises a platform body and a tool apron, wherein the tool apron is arranged in a tool apron groove on the top surface of the platform body; the tool apron is hinged with a puncture body through a hinge, and the puncture body can obliquely stand towards the direction of the vehicle to take a test posture; a plate spring with a middle arched part is arranged below a rear seat of the puncture body, and after a front wheel presses the puncture body, the puncture body can extrude and deform two ends of the plate spring upwards so that the plate spring rebounds to the puncture body; the tool apron is provided with an electromagnet which can absorb the rebounded puncture body; a compression spring is arranged in the tool apron and can jack the puncture body to a test posture when the electromagnet is powered off, a microswitch is arranged on the platform body at the downstream of the puncture body and connected with a controller, and the controller is connected with the electromagnet. The invention can solve the problems that the tire burst device is difficult to meet the time requirement of tire burst deflation, can not independently test the front wheel and the rear wheel, and can not flexibly meet different test requirements.
Description
Technical Field
The invention belongs to the technical field of automobile testing devices, and particularly relates to a tire burst testing platform.
Background
At present, the steering wheel tire burst emergency protection of passenger cars and transport trucks has related regulation requirements, automobile test fields also research and develop tire burst tests or related driving training on the basis of the related regulation requirements, most of the steering wheel tire burst emergency protection adopt an inflation and deflation form, a plurality of air pipes controlled by electromagnetic valves are installed on hubs, the air pipes are used for inflating or deflating tires by controlling the electromagnetic valves, the tire burst and deflation speed depends on the size and the number of holes drilled on the hubs, the requirement on the deflation speed is high, namely the holes on the hubs are large and large, and the safety of the testing and training process is seriously influenced. The rules related to the control of the tire burst of the passenger vehicle have stricter requirements on the time for the tire burst and the air release, the testing device in the rapid air release form cannot meet the time for the tire pressure of the pneumatic tire to be reduced to the environmental pressure specified by the rules, and the state of the vehicle after the tire burst cannot be truly simulated in the tire burst training.
In order to accelerate the deflation speed, a puncturing device is partially arranged on the ground to puncture the tire, however, the puncturing device cannot independently puncture the front wheel and the rear wheel, the use is inflexible, the puncturing device is fixedly installed, when the tire puncture needs to be tested and punctured on vehicles with different wheelbases, the puncturing device needs to be firstly detached and then repositioned to be installed, and the requirements of testing and training the tire puncture on the vehicles with different wheelbases cannot be quickly met.
Disclosure of Invention
The invention aims to provide a tire burst test platform, which aims to solve the problems that a tire burst device in a deflation form is difficult to meet the time requirement of tire burst deflation, the tire burst test and training safety is affected by punching of a wheel hub, and the problems that a front wheel and a rear wheel cannot be independently tested by a puncturing device and different test requirements cannot be flexibly met.
The invention provides the following technical scheme:
a tire burst test platform comprises a platform body and a cutter holder, wherein a cutter holder groove is formed in the top surface of the platform body, and the cutter holder is installed in the cutter holder groove in an embedded mode; the tool apron is hinged with a puncture body with a sharp end part through a hinge, and the puncture body can obliquely stand towards the direction of the vehicle to take a test posture; a plate spring with a middle arched part is arranged below a rear seat of the puncture body, and after a front wheel presses the puncture body, the puncture body can extrude and deform two ends of the plate spring upwards so that the plate spring rebounds to the puncture body; the tool apron is provided with an electromagnet which can absorb the rebounded puncture body;
the testing platform is characterized in that a spring groove is formed in the tool apron on the hinged side far away from the puncture body, a compression spring is installed in the spring groove, when the electromagnet is powered off, the puncture body can be jacked up to a testing posture by the compression spring, a micro switch is installed on the platform body on the downstream of the puncture body and connected with a controller, and the controller is connected with a power supply of the electromagnet.
Preferably, the puncturing body is a blade or a rigid body provided with a row of conical puncturing needles at the end part.
Preferably, the cross section of the platform body is trapezoidal, the platform body sequentially comprises an upper slope surface, a test surface and a lower slope surface, the tool apron is installed on the test surface, and the microswitch is installed on the lower slope surface.
Preferably, the tool apron is provided with a positioning groove matched with the plate spring, and the plate spring is placed in the positioning groove in the front wheel test ring section.
The puncture body is in a test posture, and the cushion plate is abutted to a rear seat of the puncture body.
Preferably, when the puncture body is in the test posture, the included angle between the puncture body and the horizontal plane is 58-65 degrees.
Preferably, a switch groove is formed in the downhill surface, the microswitch is installed in the switch groove, the microswitch is a roller type microswitch, and a roller of the microswitch can extend out of the switch groove.
Preferably, a row of the micro switches is arranged on the lower slope surface along the front-back direction.
The invention has the beneficial effects that:
the tire burst test platform has the advantages that the tire burst facility is arranged on the platform body, the compression plate spring or the spring which can be adjusted and replaced is arranged in cooperation with the electromagnetic circuit, the requirement of tire burst test training of various vehicles is met, the tire burst deflation speed is high, the independent control of tire burst of the front wheel and the rear wheel can be realized, the use is flexible, holes do not need to be punched on the wheel hub, and the safety of tire burst test and training is ensured.
When the front wheel is punctured, the compression spring below the front part of the puncture body is taken out, the plate spring is placed below the tail part of the puncture body, the puncture body is manually lifted, and the electromagnet is electrified. After the front wheel of the vehicle bursts the tire through the puncture body, the puncture body rebounds through the raised plate spring and is attracted by the electromagnet, the phenomenon that the rear wheel is burst through rebounding is avoided, and the tire burst accuracy is improved.
When the rear wheel is flat, the compression spring is placed in the spring groove below the front part of the puncture body, the inelastic backing plate is placed below the tail part of the puncture body, and the electromagnet is electrified. The puncturing body is manually laid flat, the electromagnet attracts the puncturing body, the front wheel of the vehicle is pressed on the microswitch of the platform body after passing through the puncturing body, the microswitch is closed to send a signal to the controller, the electromagnet is powered off by the controller, and the front end of the puncturing body is bounced under the action of the compression spring, so that the rear wheel is blasted.
According to the invention, the suction force of the electromagnet is changed by adjusting the magnitude of the current, the rising and falling speed and time of the tire burst device are changed by matching with the compression springs with different elastic forces, and the tire burst test and training requirements of vehicles with different wheelbases can be quickly met without moving a test platform.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall side view of the present invention;
FIG. 2 is a schematic structural view of the tool holder of the present invention without the piercing body and the electromagnet;
FIG. 3 is a schematic top view of the tool holder of the present invention;
FIG. 4 is a schematic view of the internal cross-sectional structure of the tool holder of the present invention;
FIG. 5 is a schematic view of the action of the leaf spring of the present invention before and after a tire burst;
fig. 6 is an enlarged schematic view of the microswitch of the present invention.
Labeled as: 1. a platform body; 2. a tool apron; 3. an upward slope surface; 4. testing the surface; 5. a lower slope surface; 6. a microswitch; 7. a piercing body; 8. a plate spring; 9. positioning a groove; 10. a magnet placing groove; 11. an electromagnet; 12. a compression spring; 13. a switch slot; 14. a roller; 15. a backing plate.
Detailed Description
As shown in fig. 1 to 6, the present embodiment provides a tire burst testing platform, which includes a platform body 1 and a tool apron 2, please refer to fig. 1, a cross section of the platform body 1 is trapezoidal, the platform body 1 sequentially includes an upper slope 3, a testing surface 4 and a lower slope 5, the testing surface 4 is preferably a horizontal surface, the tool apron 2 is installed on the testing surface 4, and a microswitch 6 is installed on the lower slope 5.
Specifically, as shown in fig. 2 and 3, the testing surface 4 of the platform body 1 is provided with a tool holder groove, and the tool holder 2 is embedded in the tool holder groove; the knife holder 2 is hinged with a puncture body 7 with a sharp end part through a hinge, the hinge can select a spring hinge with a set angle, the puncture body 7 can be fixed on a specific inclined angle, the puncture body 7 is obliquely erected towards the coming direction to form a test posture, preferably, the included angle between the puncture body corresponding to the test posture and the horizontal plane is 58-65 degrees, the puncture body can be stably kept in the test posture, and a tire can be reliably punctured. The puncturing body 7 can be a blade or a rigid body with a row of conical puncturing needles at the end.
As shown in fig. 2 to 5, a middle arched plate spring 8 is installed below a rear seat of the puncturing body 7, a positioning groove 9 matched with the plate spring 8 is arranged on the tool apron 2, the plate spring 8 is placed in the positioning groove 9 in a front wheel testing link, after a front wheel presses the puncturing body 7, the puncturing body 7 can extrude, deform and tilt two ends of the plate spring 8 upwards, and the tilted plate spring 8 breaks through the testing posture balance of the puncturing body 7 and rebounds the puncturing body 7 towards one side of an upper slope. The tool apron 2 is provided with a magnet placing groove 10, an electromagnet 11 is arranged in the magnet placing groove 10, and the electromagnet 11 adsorbs the rebounded puncture body 7 when being electrified, so that the puncture body keeps a lying posture.
The tool apron 2 is provided with a spring groove at the hinged side far away from the puncture body, a compression spring 12 is arranged in the spring groove, and the compression spring 12 is extruded into the spring groove due to the attraction of the electromagnet 11 when the puncture body 7 lies flat. When the electromagnet 11 loses power, the compression spring 12 is matched with the hinge to jack the front end of the puncture body 7 to a test posture.
The platform also comprises a backing plate 15 matched with the positioning groove, the plate spring 8 is taken out from the rear wheel test ring section, the backing plate 15 is arranged in the positioning groove 9, when the puncture body 7 is in a test posture, the backing plate 15 is cushioned against the rear seat of the puncture body 7, and the puncture body 7 is prevented from toppling towards one side of the downward slope surface to cause the failure of the rear wheel puncture action.
As shown in fig. 1 and 6, a micro switch 6 is installed on the platform body 1 at the downstream of the puncture body 7, a plurality of micro switches 6 are arranged in a row along the front-back direction of the platform body 1, the micro switch 6 is connected with a controller, the controller is connected with an electromagnet 11, and the controller can control the electromagnet 11 to be powered on or powered off. After the front wheel presses the micro switch 6, the micro switch 6 is closed to send a high-low level switching signal to the controller, and after the controller receives the signal, the electromagnet 11 is controlled to lose power, and the puncture body 7 losing the suction force is jacked up by the compression spring 12.
Specifically, a switch groove 13 is formed in the downhill surface 5, the microswitch 6 is installed in the switch groove 13, the microswitch 6 is a roller type microswitch with the model of LXW-AZ7121, and in a normal state, a roller 14 of the microswitch 6 extends out of the switch groove 13, and the roller 14 is pressed into the switch groove 13 when the tire passes through the microswitch 6. The roller type microswitch is selected to ensure that the roller 14 and the tire are in rolling friction, so that the tire can smoothly pass through the microswitch 6, and the service life of the microswitch is prolonged.
The use method of the test platform comprises the following steps:
when the front wheel is punctured, the compression spring 12 below the front part of the puncture body 7 is taken out, the plate spring 8 is placed below the tail part of the puncture body 7, the puncture body 7 is manually lifted, and the electromagnet 11 is electrified. After the front wheel of the vehicle bursts through the puncture body 7, the puncture body 7 is rebounded by the tilted plate spring 8 and is attracted by the electromagnet 11, so that the phenomenon that the rear wheel is blasted due to rebounding is avoided.
When the rear wheel is flat, the compression spring 12 is placed in the spring groove below the front part of the puncture body 7, the inelastic backing plate 15 is placed below the tail part of the puncture body 7, and the electromagnet 11 is electrified. The puncturing body 7 is laid horizontally manually, the electromagnet 11 attracts the puncturing body 7, the front wheel of the vehicle is pressed on the microswitch 6 of the platform body after passing through the puncturing body 7, the microswitch 6 is closed to send a signal to the controller, the controller enables the electromagnet 11 to be powered off, and the front end of the puncturing body 7 is bounced under the action of the compression spring 12, so that the rear wheel is blasted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The tire burst test platform is characterized by comprising a platform body and a cutter holder, wherein a cutter holder groove is formed in the top surface of the platform body, and the cutter holder is installed in the cutter holder groove in an embedded mode; the tool apron is hinged with a puncture body with a sharp end part through a hinge, and the puncture body can obliquely stand towards the direction of the vehicle to take a test posture; a plate spring with a middle arched part is arranged below a rear seat of the puncture body, and after a front wheel presses the puncture body, the puncture body can extrude and deform two ends of the plate spring upwards so that the plate spring rebounds to the puncture body; the tool apron is provided with an electromagnet which can absorb the rebounded puncture body;
the testing platform is characterized in that a spring groove is formed in the tool apron on the hinged side far away from the puncture body, a compression spring is detachably mounted in the spring groove, when the electromagnet is powered off, the puncture body can be jacked up to a testing posture by the compression spring, a micro switch is mounted on the platform body at the downstream of the puncture body and connected with a controller, and the controller is connected with a power supply of the electromagnet.
2. The tire puncture testing platform of claim 1, wherein the puncture body is a blade or a rigid body having a row of tapered puncture needles at the end.
3. The tire puncture test platform according to claim 2, wherein the platform body has a trapezoidal cross section, the platform body sequentially comprises an upper slope surface, a test surface and a lower slope surface, the tool apron is mounted on the test surface, and the microswitch is mounted on the lower slope surface.
4. A tire puncture test platform according to claim 3, wherein the tool apron is provided with a positioning groove matched with the leaf spring, and the leaf spring is placed in the positioning groove in the front wheel test ring section.
5. A tire puncture test platform according to claim 4, further comprising a pad plate that mates with the positioning slot, the pad plate being disposed within the positioning slot in the rear wheel test ring, the pad plate resting against the rear seat of the puncture body when the puncture body is in the test position.
6. A tire puncture test platform according to claim 2, wherein the puncture body has an angle of 58-65 ° with the horizontal when in the test position.
7. A tire puncture test platform according to claim 3, wherein a switch groove is provided on the downhill, the micro switch is installed in the switch groove, the micro switch is a roller type micro switch, and a roller of the micro switch can extend out of the switch groove.
8. The tire puncture test platform of claim 7, wherein a row of the micro switches is mounted on the lower slope surface in a front-to-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010831914.8A CN111855237B (en) | 2020-08-18 | 2020-08-18 | Tire burst test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010831914.8A CN111855237B (en) | 2020-08-18 | 2020-08-18 | Tire burst test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111855237A true CN111855237A (en) | 2020-10-30 |
| CN111855237B CN111855237B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010831914.8A Active CN111855237B (en) | 2020-08-18 | 2020-08-18 | Tire burst test platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN111855237B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380497A (en) * | 2023-06-06 | 2023-07-04 | 安徽中科星驰自动驾驶技术有限公司 | Test bench for vehicle automatic driving development |
| CN118275141A (en) * | 2024-03-08 | 2024-07-02 | 中汽研汽车试验场股份有限公司 | Tire burst test device and tire burst test system |
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| CN210180687U (en) * | 2019-05-30 | 2020-03-24 | 中汽中心盐城汽车试验场有限公司 | Road test platform of tire |
| CN212658451U (en) * | 2020-08-18 | 2021-03-05 | 中汽研汽车试验场股份有限公司 | Tire burst test platform |
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| EP0235548A1 (en) * | 1986-03-01 | 1987-09-09 | Malkmus-Dörnemann, Carola, Dr. | Roadway or gateway for vehicles |
| CN2571826Y (en) * | 2002-09-12 | 2003-09-10 | 周义强 | Remote controlled escape-resisting spiked mat barricade |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380497A (en) * | 2023-06-06 | 2023-07-04 | 安徽中科星驰自动驾驶技术有限公司 | Test bench for vehicle automatic driving development |
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| CN118275141A (en) * | 2024-03-08 | 2024-07-02 | 中汽研汽车试验场股份有限公司 | Tire burst test device and tire burst test system |
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| Publication number | Publication date |
|---|---|
| CN111855237B (en) | 2024-05-10 |
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