CN111855237B - Tire burst test platform - Google Patents
Tire burst test platform Download PDFInfo
- Publication number
- CN111855237B CN111855237B CN202010831914.8A CN202010831914A CN111855237B CN 111855237 B CN111855237 B CN 111855237B CN 202010831914 A CN202010831914 A CN 202010831914A CN 111855237 B CN111855237 B CN 111855237B
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- platform
- electromagnet
- groove
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 239000003570 air Substances 0.000 description 2
- 230000005611 electricity Effects 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
- 241001539473 Euphoria Species 0.000 description 1
- 206010015535 Euphoric mood Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
Landscapes
- 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 cutter holder, wherein the cutter holder is arranged in a cutter holder groove on the top surface of the platform body; the knife rest is hinged with a puncture body through a hinge, and the puncture body can obliquely stand up to the direction of the vehicle to take a test posture; a plate spring with an arched middle part is arranged below the rear seat of the puncturing body, and after the front wheel presses the puncturing body, the puncturing body can press and deform the two ends of the plate spring upwards, so that the plate spring rebounds to the puncturing body; an electromagnet is arranged on the tool apron and can absorb the rebounded piercing body; the compression spring is arranged in the tool apron, the puncture body can be jacked up to a test posture by the compression spring when the electromagnet is powered off, the micro switch is arranged on the platform body at the downstream of the puncture body and is connected with the 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 and deflation, the front wheel and the rear wheel cannot be independently tested, and different test requirements cannot be flexibly met.
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 operating buses and transport trucks has relevant legal requirements, an automobile test field develops tire burst test or relevant driving training based on the relevant legal requirements, most of the automobile test fields take inflation and deflation modes, a plurality of air pipes controlled by electromagnetic valves are arranged on a hub, the air pipes are used for inflating or deflating tires through the control electromagnetic valves, the tire burst deflation speed depends on the size and the number of the holes in the hub, and the requirement on high deflation speed means that the holes in the hub are large and more, and the safety of the test and training process is seriously affected. The requirements of the related regulations on the time of tire burst and deflation of the passenger car are stricter, the test device in the form of rapid deflation cannot meet the time of the tire pressure of the pneumatic tire reduced to the ambient air pressure specified by the regulations, and the state of the car after tire burst cannot be truly simulated in tire burst training.
In order to accelerate the deflation speed, some puncture devices are placed on the ground to puncture the tire, however, the puncture devices cannot independently puncture the front wheel and the rear wheel, the use is inflexible, the puncture devices are fixedly installed, and when the puncture devices need to be tested for the tire burst of vehicles with different wheelbases, the puncture devices need to be detached first and then repositioned and installed, so that the requirements for the tire burst test and training of the vehicles with different wheelbases cannot be met rapidly.
Disclosure of Invention
The invention aims to provide a tire burst test platform, which is used for solving the problems that a tire burst device in a deflation form is difficult to meet the time requirement of tire burst deflation, the safety of tire burst test and training is influenced by hub perforation, and a puncture device cannot independently test a front wheel and a rear wheel and cannot flexibly meet different test requirements.
The invention provides the following technical scheme:
The 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 embedded in the cutter holder groove; the knife rest is hinged with a puncture body with a sharp end part through a hinge, and the puncture body can obliquely stand up towards the direction of the vehicle to take a test posture; a plate spring with an arched middle part is arranged below a rear seat of the puncturing body, and after the front wheel presses the puncturing body, the puncturing body can press and deform the two ends of the plate spring upwards, so that the plate spring rebounds to the puncturing body; the cutter holder is provided with an electromagnet, and the electromagnet can absorb the rebounded piercing body;
The device comprises a cutter seat, an electromagnet, a platform body, a micro switch, a controller and a compression spring, wherein the cutter seat is provided with a spring groove at the hinged side far away from the body, the compression spring is arranged in the spring groove, the compression spring can jack the body up to a testing posture when the electromagnet is powered off, the micro switch is arranged on the platform body at the downstream of the body, and the micro switch is connected with the controller which is connected with a power supply of the electromagnet.
Preferably, the puncture body is a blade or a rigid body with a row of cone puncture needles at the end.
Preferably, the cross section of platform body is trapezoidal, the platform body includes slope, test surface and downhill path in proper order, the blade holder is installed on the test surface, micro-gap switch installs on downhill path.
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 a front wheel testing link.
Further, the test device also comprises a base plate matched with the positioning groove, wherein the base plate is arranged in the positioning groove in a rear wheel test link, and when the puncture body is in a test posture, the base plate is abutted against the rear seat of the puncture body.
Preferably, when the puncture body is in a 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 lower slope surface, 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.
Preferably, a row of micro switches are arranged on the lower slope surface along the front-back direction.
The beneficial effects of the invention are as follows:
The invention replaces the existing inflation and deflation type equipment for tire burst test, but sets the adjustable replacement compression plate spring or spring by installing the tire burst facility on the platform body and matching with the electromagnetic circuit, thereby meeting the training requirement of tire burst test of various types of vehicles, having high tire burst and deflation speed, realizing independent control of front and rear tire burst, flexible use, no need of punching on a hub and ensuring the safety of tire burst test and training.
When the front wheel bursts, 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 lifted manually, and the electromagnet is electrified. After the front wheel of the vehicle bursts the tire through the puncture body, the puncture body is rebounded by the tilted plate spring and is attracted by the electromagnet, so that the burst rear wheel is prevented from being rebounded again, and the tire burst accuracy is improved.
When the rear tire bursts, 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 piercing body is manually placed flat, the electromagnet attracts the piercing body, the front wheel of the vehicle is pressed on the micro switch of the platform body after passing through the piercing body, the micro switch is closed to send a signal to the controller, the controller causes the electromagnet to lose electricity, and the front end of the piercing body is sprung up 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 current, and the lifting speed and time of the tire burst device are changed by matching with compression springs with different elasticity, so that the tire burst test and training requirements of vehicles with different wheelbases can be rapidly met without moving a test platform.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall side view of the present invention;
FIG. 2 is a schematic view of the structure of the tool holder without the piercing body and 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 flat tire;
Fig. 6 is an enlarged schematic view of the micro switch of the present invention.
Marked in the figure as: 1. a platform body; 2. a tool apron; 3. a slope surface is upwards; 4. a test surface; 5. a downhill surface; 6. a micro-switch; 7. puncturing the body; 8. a leaf spring; 9. a positioning groove; 10. a magnet placement groove; 11. an electromagnet; 12. a compression spring; 13. a switch groove; 14. a roller; 15. a backing plate.
Detailed Description
As shown in fig. 1 to 6, the present embodiment provides a tire burst test platform, which includes a platform body 1 and a tool apron 2, please refer to fig. 1, the cross section of the platform body 1 is trapezoidal, the platform body 1 sequentially includes an upper slope 3, a test surface 4 and a lower slope 5, the test surface 4 is preferably a horizontal plane, the tool apron 2 is mounted on the test surface 4, and the micro switch 6 is mounted on the lower slope 5.
Specifically, as shown in fig. 2 and 3, the test surface 4 of the platform body 1 is provided with a tool apron groove, and the tool apron 2 is embedded in the tool apron groove; the knife holder 2 is hinged with the puncture body 7 with a sharp end part through a hinge, the hinge can be a spring hinge with a fixed angle, the puncture body 7 can be fixed on a specific inclined angle, the puncture body 7 is obliquely erected towards the direction of a vehicle to take a test posture, preferably, the included angle between the puncture body corresponding to the test posture and the horizontal plane is 58-65 degrees, and the puncture body can be stably kept in the test posture and reliably puncture a tire. The puncture body 7 can be a blade or a rigid body with a row of cone puncture needles at the end.
As shown in fig. 2 to 5, a plate spring 8 with a arched middle part is installed below a rear seat of a puncture body 7, a positioning groove 9 matched with the plate spring 8 is formed in a tool apron 2, in a front wheel test link, the plate spring 8 is placed in the positioning groove 9, after a front wheel presses the puncture body 7, the puncture body 7 can press and deform the two ends of the plate spring 8 upwards to tilt, and the tilted plate spring 8 breaks the balance of the test posture of the puncture body 7 and bounces back to the puncture body 7 on one side of an upward slope. The knife holder 2 is provided with a magnet placing groove 10, an electromagnet 11 is arranged in the magnet placing groove 10, and the electromagnet 11 attracts the rebounded puncture body 7 when being electrified, so that the puncture body is kept in a lying posture.
The cutter holder 2 is provided with a spring groove at the hinge side far away from the puncture body, a compression spring 12 is arranged in the spring groove, and when the puncture body 7 is lying down, the compression spring 12 is extruded into the spring groove due to the attraction of the electromagnet 11. When the electromagnet 11 is powered off, the compression spring 12 is matched with the hinge, and the front end of the puncture body 7 is jacked up to a testing posture.
The platform also comprises a base plate 15 matched with the positioning groove, the plate spring 8 is taken out in a rear wheel testing link, the base plate 15 is placed in the positioning groove 9, and when the puncture body 7 is in a testing posture, the base plate 15 is abutted against the rear seat of the puncture body 7, so that the puncture body 7 is prevented from tilting to one side of a downward slope to cause the puncture action of the rear wheel to fail.
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-rear 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 conversion signal to the controller, and after the controller receives the signal, the electromagnet 11 is controlled to be powered off, and the puncture body 7 after losing the suction force is jacked up by the compression spring 12.
Specifically, a switch groove 13 is formed in the downhill face 5, the micro switch 6 is arranged in the switch groove 13, the micro switch 6 is a roller type micro switch, the model is optionally euphoria LXW-AZ7121, in a normal state, a roller 14 of the micro switch 6 extends out of the switch groove 13, and when the tire passes through the micro switch 6, the roller 14 is pressed into the switch groove 13. The roller type micro-switch is selected to ensure rolling friction between the roller 14 and the tyre, so that the tyre can smoothly pass through the micro-switch 6, and the service life of the micro-switch is prolonged.
The using method of the test platform comprises the following steps:
When the front tire is burst, 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 lifted manually, 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 rear wheel is prevented from being rebounded again to burst.
When the rear tire is burst, 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 piercing body 7 is manually placed flat, the electromagnet 11 attracts the piercing body 7, the front wheel of the vehicle is pressed on the micro switch 6 of the platform body after passing through the piercing body 7, the micro switch 6 is closed to send a signal to the controller, the controller causes the electromagnet 11 to lose electricity, and the front end of the piercing body 7 is sprung up under the action of the compression spring 12, so that the rear wheel is blasted.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
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 embedded in the cutter holder groove; the knife rest is hinged with a puncture body with a sharp end part through a hinge, and the puncture body can obliquely stand up towards the direction of the vehicle to take a test posture; a plate spring with an arched middle part is arranged below a rear seat of the puncturing body, and after the front wheel presses the puncturing body, the puncturing body can press and deform the two ends of the plate spring upwards, so that the plate spring rebounds to the puncturing body; the cutter holder is provided with an electromagnet, and the electromagnet can absorb the rebounded piercing body;
The device comprises a cutter seat, an electromagnet, a platform body, a micro switch, a controller and an electromagnet, wherein the cutter seat is provided with a spring groove at the hinged side far away from the puncture body, a compression spring is arranged in the spring groove, the compression spring can jack the puncture body to a test posture when the electromagnet is powered off, the micro switch is arranged on the platform body at the downstream of the puncture body, and the micro switch is connected with the controller which is connected with a power supply of the electromagnet;
The puncture body is a blade or a rigid body with a row of cone puncture needles at the end part;
When the puncture body is in a test posture, the included angle between the puncture body and the horizontal plane is 58-65 degrees;
the cross section of platform body is trapezoidal, the platform body includes slope, test surface and downhill path in proper order, the blade holder is installed on the test surface, micro-gap switch installs on downhill path.
2. The tire burst test platform according to claim 1, wherein the blade holder is provided with a positioning groove matched with the leaf spring, and the leaf spring is placed in the positioning groove in a front wheel test link.
3. The tire burst test platform of claim 2, further comprising a backing plate mated with the locating slot, the backing plate being disposed within the locating slot during a rear wheel test session, the backing plate being seated against a rear seat of the puncture body when the puncture body is in a test position.
4. The tire burst test platform according to claim 1, wherein the lower slope surface is provided with a switch groove, 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.
5. The tire burst test platform of claim 4, wherein a row of said microswitches are mounted on said downhill surface in a fore-aft 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 CN111855237A (en) | 2020-10-30 |
| CN111855237B true CN111855237B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010831914.8A Active CN111855237B (en) | 2020-08-18 | 2020-08-18 | Tire burst test platform |
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| Country | Link |
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| CN (1) | CN111855237B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380497B (en) * | 2023-06-06 | 2023-09-12 | 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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| CN207248518U (en) * | 2017-10-23 | 2018-04-17 | 浙江美亿佳新科技有限公司 | A kind of resistance to bundle, the test nail-plate of puncture-proof tire |
| CN207419323U (en) * | 2017-11-14 | 2018-05-29 | 厦门杰田科技有限公司 | A kind of electronic tire burster |
| CN208443588U (en) * | 2018-07-16 | 2019-01-29 | 重庆玄康环保机电设备有限公司 | A kind of tyre prick test device |
| CN109826130A (en) * | 2019-02-15 | 2019-05-31 | 湖北思泽新能源科技有限公司 | A kind of rotary type vehicle arresting device |
| CN110441073A (en) * | 2019-08-29 | 2019-11-12 | 吉林大学 | A kind of broken device of tyre and its control device in vehicle travel process |
| 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 |
-
2020
- 2020-08-18 CN CN202010831914.8A patent/CN111855237B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367975A (en) * | 1978-11-23 | 1983-01-11 | Controlec Limited | Traffic barriers |
| 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 |
| CN201162184Y (en) * | 2007-12-29 | 2008-12-10 | 陶亮 | Portable remote control roadblock |
| CN201214772Y (en) * | 2008-03-31 | 2009-04-01 | 李华 | Magnetic cone carnage |
| WO2016162575A1 (en) * | 2015-04-09 | 2016-10-13 | Peters Christophe | Device and system for puncturing a tyre |
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| CN208443588U (en) * | 2018-07-16 | 2019-01-29 | 重庆玄康环保机电设备有限公司 | A kind of tyre prick test device |
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| CN110441073A (en) * | 2019-08-29 | 2019-11-12 | 吉林大学 | A kind of broken device of tyre and its control device in vehicle travel process |
| 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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| CN111855237A (en) | 2020-10-30 |
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