CN212228388U - Roller reaction type automobile brake inspection device - Google Patents
Roller reaction type automobile brake inspection device Download PDFInfo
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- CN212228388U CN212228388U CN202020803369.7U CN202020803369U CN212228388U CN 212228388 U CN212228388 U CN 212228388U CN 202020803369 U CN202020803369 U CN 202020803369U CN 212228388 U CN212228388 U CN 212228388U
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- roller
- rack
- torsion
- cover plate
- speed measuring
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Abstract
The utility model provides a cylinder counter-force type automobile brake verifying attachment, including the rack, both ends are equipped with left side main drum, left side auxiliary drum, right side main drum and right side auxiliary drum respectively about on the rack, left side main drum, left side auxiliary drum, right side main drum and right side auxiliary drum are all stained with special coarse sand on the surface, be equipped with left third cylinder speed sensor and left lifting device between left side main drum and the left side auxiliary drum, be equipped with right third cylinder speed sensor and right lifting device between right side main drum and the right side auxiliary drum, be equipped with the left device that targets in place on the rack of left third cylinder speed sensor one side, be equipped with the right device that targets in place on the rack of right third cylinder speed sensor one side, left side main drum and right side main drum key-connect left torsion device and right torsion device respectively; the special coarse sand is adhered to the surface of the roller, so that the friction coefficient of the roller and the tire is increased, slipping is prevented, and the accuracy of torque detection is improved.
Description
Technical Field
The utility model relates to a cylinder counter-force formula car braking verifying attachment belongs to the automotive inspection field.
Background
In the development of the present society, safety, environmental protection and energy conservation of automobiles are three main subjects of automobile development technology, before automobiles leave factories, safety performance of automobiles is detected, and the safety performance of the automobiles is important. The existing automobile brake inspection platform is usually a roller reaction type automobile brake inspection platform, which comprises a loaded roller device, a main motor and a speed reducing mechanism for driving a roller to rotate, a braking force measurement system and the like, and the measurement principle is as follows: when the vehicle is braked, the wheels on the roller device give a force to the rotating roller in the direction opposite to the rotating direction, and the reaction force can reflect the magnitude of the braking force. The roller reaction type automobile brake inspection platform has the following problems: because an automobile tire is contacted with two curved surfaces of two bearing rollers at a linear speed of 2.5km/h, the automobile braking detection indication value stepping has a relationship with the automobile axle weight and the roller sliding adhesion coefficient, and also has a great relationship with the diameter of the tire, the air pressure of the tire, the diameter of the roller, the center distance of the roller, the height difference of a driving roller and a driven roller, and the form and position error of the roller, that is, the braking force detection indication value is influenced by more factors and is not consistent with the actual running working condition of the automobile, so that the braking performance of the automobile is difficult to be accurately measured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cylinder reaction formula car braking verifying attachment has solved the difficult accurate problem of measuring the braking performance of car of current cylinder reaction formula car braking test platform.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a roller counter-force type automobile brake checking device, which comprises a rack, wherein a left side cover plate and a right side cover plate are respectively arranged at the left end and the right end of the rack, a middle cover plate is arranged at the middle part of the rack, a left side main roller and a left side auxiliary roller are arranged on the rack between the left side cover plate and the middle cover plate, a right side main roller and a right side auxiliary roller are arranged on the rack between the right side cover plate and the middle cover plate, a left third roller speed measuring device and a left lifting device are arranged between the left side main roller and the left side auxiliary roller, a right third roller speed measuring device and a right lifting device are arranged between the right side main roller and the right side auxiliary roller, the left side main roller and the left side auxiliary roller, the right side main roller and the right side auxiliary roller are all connected through chain transmission mechanisms, a left in-place device is arranged on the rack at one side of the left side, the left side main drum and the right side main drum are respectively connected with a left speed reducer and a right speed reducer through shafts, the left speed reducer and the right speed reducer are respectively placed below a left side cover plate and a right side cover plate, the left side main drum and the right side main drum are respectively connected with a left torsion device and a right torsion device, the left speed reducer and the right speed reducer are respectively connected with a control device through electric connection, and the control device is arranged on the outer side of the rack.
Preferably, the left third roller speed measuring device is consistent with the right third roller speed measuring device in structure, the left third roller speed measuring device comprises a third roller, a speed measuring fluted disc and a proximity switch are mounted at one end of the third roller, one end of the third roller is arranged on a third roller support, and one end of the third roller support is connected with the resetting mechanism.
Preferably, the left in-place device and the right in-place device have the same structure, the left in-place device comprises a reflection-type photoelectric switch, the reflection-type photoelectric switch is arranged in a photoelectric switch box, and the photoelectric switch box is provided with a light hole.
Preferably, special coarse sand is adhered to the surfaces of the left main roller, the left auxiliary roller, the right main roller and the right auxiliary roller.
Preferably, the left torsion device and the right torsion device are consistent in structure, the left torsion device comprises a torsion arm, the torsion arm is connected with the left main roller, a torsion sensor is arranged at one end of the torsion arm, one end of the torsion sensor is arranged on a fixed block, the fixed block is connected with the rack through a lower locking bolt and an upper limiting bolt, and the torsion sensor is connected with the control device through an electrical property.
Preferably, left side lifting device is unanimous with right lifting device structure, left side lifting device is including lifting the roof beam, it is equipped with the guard plate to lift the roof beam below, the guard plate below is equipped with air spring, air spring links to each other with the solenoid valve, it is equipped with the stopper to lift both ends about the roof beam, the stopper passes through stop screw and rack and fixes mutually, it is equipped with reset spring to lift the roof beam below.
Through the technical scheme, the utility model discloses beneficial effect: through having special coarse sand on the cylinder surface, increase the coefficient of friction of cylinder and tire, prevent to skid, increase the accuracy that torsion detected to through setting up third cylinder speed sensor, increase the accuracy that torsion detected, effectively solved the problem among the background art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic structural diagram of a left third roller speed measuring device;
fig. 4 is a schematic view of the right torsion device.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
According to the figure, the roller counter-force type automobile brake checking device comprises a rack 1, a left cover plate 2 and a right cover plate are respectively arranged at the left end and the right end of the rack 1, a middle cover plate 3 is arranged in the middle of the rack 1, a left main roller 4 and a left auxiliary roller 5 are arranged on the rack between the left cover plate 2 and the middle cover plate 3, a right main roller 10 and a right auxiliary roller 11 are arranged on the rack between the right cover plate and the middle cover plate 3, a left third roller speed measuring device 6 and a left lifting device 7 are arranged between the left main roller 4 and the left auxiliary roller 5, a right third roller speed measuring device 12 and a right lifting device 13 are arranged between the right main roller 10 and the right auxiliary roller 11, the left main roller 3 and the left auxiliary roller 4, the right main roller 10 and the right auxiliary roller 11 are all connected through a chain transmission mechanism 14, a left in-place device 8 is arranged on the rack 1 on one side of the left third roller speed, the right third cylinder speed sensor 12 one side rack 1 is equipped with right device 9 that targets in place, left side main drum 3 and right side main drum 10 are respectively through axle connection left speed reducer and right speed reducer 15, left side speed reducer and right speed reducer 15 are respectively placed in left side apron 2 and right apron below, left side main drum 3 is connected left torsion device and right torsion device 17 respectively with right side main drum 10, left side speed reducer and right speed reducer 15 are respectively through electric connection controlling means, controlling means sets up in the rack outside.
Preferably, the left third roller speed measuring device 6 and the right third roller speed measuring device 12 have the same structure, the left third roller speed measuring device 6 includes a third roller 26, one end of the third roller 26 is provided with a speed measuring fluted disc 27 and a proximity switch 25, one end of the third roller 26 is arranged on a third roller support 28, and one end of the third roller support 28 is connected with a reset mechanism 29.
Preferably, the left in-place device 8 and the right in-place device 9 have the same structure, the left in-place device 8 includes a reflective photoelectric switch 22, the reflective photoelectric switch 22 is disposed in a photoelectric switch box 23, and the photoelectric switch box 23 is provided with a light hole.
Preferably, special coarse sand is adhered to the surfaces of the left main roller 3, the left auxiliary roller 4, the right main roller 10 and the right auxiliary roller 11.
Preferably, the left torsion device 12 is identical to the right torsion device 17 in structure, the right torsion device includes a torsion arm 30, the torsion arm 30 is connected to the left main drum 3, a torsion sensor 31 is disposed at one end of the torsion arm 30, one end of the torsion sensor 31 is disposed on a fixing block 32, the fixing block 32 is connected to the rack 1 through a lower locking bolt 34 and an upper limiting bolt 33, and the torsion sensor 31 is electrically connected to the control device.
Preferably, the left lifting device 7 and the right lifting device 13 are consistent in structure, the left lifting device 7 comprises a lifting beam 17, a protection plate 19 is arranged below the lifting beam 17, an air spring 18 is arranged below the protection plate 19, the air spring 18 is connected with an electromagnetic valve, limiting blocks 20 are arranged at the left end and the right end of the lifting beam 17, the limiting blocks 20 are fixed with the rack 1 through limiting screws 21, and a return spring 24 is arranged below the lifting beam 17.
When the two wheels of the automobile run on the equipment in use, the lifting beam 17 and the right lifting beam are lifted to the highest state, when the wheels are in place, the reflective photoelectric switch 22 is shielded, the system judges that the automobile is in place, a signal is given to exhaust, the lifting beam 17 and the right lifting device descend, tires are respectively attached to the corresponding third rollers and continue to descend, after the wheels reach the bottommost position, the tires are simultaneously attached to the corresponding third rollers, the auxiliary rollers and the main rollers, detection is started, when braking is performed, force output by the wheels is given to the main rollers and is given to the torsion sensor 31 through the torsion arm 30, the system processes output data, detection is completed, a signal is given, the lifting beam 17 and the right lifting beam ascend to the highest point, the automobile is driven out, and detection is finished.
Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a cylinder reaction formula car braking verifying attachment, includes the rack, its characterized in that: the left end and the right end of the rack are respectively provided with a left cover plate and a right cover plate, the middle part of the rack is provided with a middle cover plate, a left main roller and a left auxiliary roller are arranged on the rack between the left cover plate and the middle cover plate, a right main roller and a right auxiliary roller are arranged on the rack between the right cover plate and the middle cover plate, a left third roller speed measuring device and a left lifting device are arranged between the left main roller and the left auxiliary roller, a right third roller speed measuring device and a right lifting beam are arranged between the right main roller and the right auxiliary roller, the left main roller and the left auxiliary roller, the right main roller and the right auxiliary roller are connected through a chain transmission mechanism, a left in-place device is arranged on the rack on one side of the left third roller speed measuring device, a right in-place device is arranged on the rack on one side of the right third roller speed measuring device, and a left speed reducer and a right, the left speed reducer and the right speed reducer are respectively placed below the left side cover plate and the right side cover plate, the left side main roller and the right side main roller are respectively connected with the left torsion device and the right torsion device through keys, the left speed reducer and the right speed reducer are respectively electrically connected with the control device, and the control device is arranged on the outer side of the rack.
2. The roller reaction type automobile brake inspection device according to claim 1, wherein: the left third roller speed measuring device is consistent with the right third roller speed measuring device in structure, the left third roller speed measuring device comprises a third roller, a speed measuring fluted disc and a proximity switch are installed at one end of the third roller, one end of the third roller is arranged on a third roller support, and one end of the third roller support is connected with a resetting mechanism.
3. The roller reaction type automobile brake inspection device according to claim 1, wherein: the left in-place device and the right in-place device are consistent in structure, the left in-place device comprises a reflection-type photoelectric switch, the reflection-type photoelectric switch is arranged in a photoelectric switch box, and a light hole is formed in the photoelectric switch box.
4. The roller reaction type automobile brake inspection device according to claim 1, wherein: the surfaces of the left main roller, the left auxiliary roller, the right main roller and the right auxiliary roller are all stuck with coarse sand.
5. The roller reaction type automobile brake inspection device according to claim 1, wherein: the left torsion device and the right torsion device are consistent in structure, the left torsion device comprises a torsion arm, the torsion arm is installed on the end face of the left speed reducer, a torsion sensor is arranged at one end of the torsion arm, one end of the torsion sensor is arranged on a fixing block, the fixing block is connected with the rack through a lower locking bolt and an upper limiting bolt, and the torsion sensor is electrically connected with the control device.
6. The roller reaction type automobile brake inspection device according to claim 1, wherein: the left lifting device is consistent with the right lifting device in structure, the left lifting device comprises a lifting beam, a protection plate is arranged below the lifting beam, an air spring is arranged below the protection plate, the air spring is connected with an electromagnetic valve, limiting blocks are arranged at the left end and the right end of the lifting beam, the limiting blocks are fixed with a rack through limiting screws, and a reset spring is arranged below the lifting beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803369.7U CN212228388U (en) | 2020-05-14 | 2020-05-14 | Roller reaction type automobile brake inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803369.7U CN212228388U (en) | 2020-05-14 | 2020-05-14 | Roller reaction type automobile brake inspection device |
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| Publication Number | Publication Date |
|---|---|
| CN212228388U true CN212228388U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020803369.7U Active CN212228388U (en) | 2020-05-14 | 2020-05-14 | Roller reaction type automobile brake inspection device |
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| CN (1) | CN212228388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729869A (en) * | 2020-12-29 | 2021-04-30 | 合肥市极点科技有限公司 | Automobile ABS brake detection system |
| CN114234834A (en) * | 2021-12-22 | 2022-03-25 | 上海三骏通讯设备技术有限公司 | Automobile tire pattern depth measuring device with static and dynamic detection functions |
-
2020
- 2020-05-14 CN CN202020803369.7U patent/CN212228388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729869A (en) * | 2020-12-29 | 2021-04-30 | 合肥市极点科技有限公司 | Automobile ABS brake detection system |
| CN114234834A (en) * | 2021-12-22 | 2022-03-25 | 上海三骏通讯设备技术有限公司 | Automobile tire pattern depth measuring device with static and dynamic detection functions |
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