CN213180703U - Electric motor car brake cable fatigue test device - Google Patents
Electric motor car brake cable fatigue test device Download PDFInfo
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- CN213180703U CN213180703U CN202022671470.4U CN202022671470U CN213180703U CN 213180703 U CN213180703 U CN 213180703U CN 202022671470 U CN202022671470 U CN 202022671470U CN 213180703 U CN213180703 U CN 213180703U
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Abstract
The utility model belongs to the technical field of brake cable fatigue test, specifically be an electric motor car brake cable fatigue test device, including test platform, test platform's upper surface left side is provided with the brake cable support, test platform's upper surface left side is provided with lifts the support, be provided with the brake cable on the brake cable support, lift the support and support the downside at the brake cable, the right side is provided with two linear bearing in test platform's the upper surface, peg graft respectively in two linear bearing and extend to two linear bearing's right side at the both ends of brake cable, the right-hand member of brake cable is connected with application of force spring, application of force spring's the other end is connected on weighing sensor, weighing sensor fixed connection is on test platform's upper surface right side. The problem that the testing force value cannot be adjusted randomly when weights are hung in the traditional mode is solved; the problem that the testing stroke of the air cylinder is difficult to adjust is solved; the problem of slow test frequency in the traditional mode is solved.
Description
Technical Field
The utility model relates to a brake cable fatigue test technical field specifically is an electric motor car brake cable fatigue test device.
Background
In the coming years, the statistical data of the institute of the Uygur economy, a main transportation tool, shows that the number of electric bicycles in China reaches 2.9 hundred million by 2018, and the data is expected to break through 3.5 hundred million by 2023. The electric vehicle safety detection is an important task due to the huge market ownership.
The safety detection of the electric vehicle comprises part detection and whole vehicle detection. The brake safety performance is an important index for the qualification of the electric vehicle. The braking performance is divided into braking distance, braking force, braking durability, braking cable durability and the like.
The cylinder is connected to the general one end of traditional brake cable fatigue test, and the brake cable crust is fixed by the support, and one section mount standard weight in addition of brake cable, this kind of traditional structure load weight require higher, and conventional weight all is standard weight, and any power value of middle range section has no way to test. The adjustable stroke of the cylinder is generally smaller, the speed of the cylinder for adjusting reciprocating motion is usually lower, the fatigue test times of a general brake cable are 10-20 ten thousand, and the efficiency is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric motor car brake cable fatigue test device to solve the general one end connection cylinder of traditional brake cable fatigue test that proposes in the above-mentioned background art, the brake cable crust is fixed by the support, and one section carry standard weight in addition of brake cable, this kind of traditional structure load weight require higher, and conventional weight all is standard weight, and any power value of middle range section has no way to test. The adjustable stroke of the cylinder for adjusting the motion stroke is generally smaller, the speed of the cylinder for adjusting the reciprocating motion is usually lower, the fatigue test times of a general brake cable are 10-20 ten thousand, and the efficiency is lower.
In order to achieve the above object, the utility model provides a following technical scheme: a fatigue testing device for a brake cable of an electric vehicle comprises a testing platform, wherein a brake cable support is arranged on the left side of the upper surface of the testing platform, a lifting support is arranged on the left side of the upper surface of the testing platform, the brake cable is arranged on the brake cable support, the lifting support is supported on the lower side of the brake cable, two linear bearings are arranged on the right side of the upper surface of the testing platform, two ends of the brake cable are respectively inserted into the two linear bearings and extend to the right sides of the two linear bearings, a force application spring is connected to the right end of the brake cable, the other end of the force application spring is connected to a weighing sensor, the weighing sensor is fixedly connected to the right side of the upper surface of the testing platform, a servo motor is installed on the right side of the upper surface of the testing platform, the output end of the servo motor is connected with an eccentric, the other end of the connecting rod is rotatably connected with the other end of the brake cable.
Preferably, an output shaft of the servo motor is connected with an input shaft of a speed reducing mechanism, and an output shaft of the speed reducing mechanism is connected with the eccentric turntable.
Preferably, the outer wall of the eccentric rotary table is provided with an adjusting positioning groove, the adjusting positioning groove is connected with an adjusting screw, the adjusting positioning groove is internally and uniformly provided with an adjusting screw hole matched with the adjusting screw, and the adjusting screw is rotatably connected with the connecting rod.
Preferably, a storage cabinet is arranged on the lower side of the body of the test platform.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the problem that the testing force value cannot be adjusted randomly when weights are hung in the traditional mode is solved;
2) the problem that the testing stroke of the air cylinder is difficult to adjust is solved;
3) the problem of slow test frequency in the traditional mode is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural diagram of part a of the present invention.
In the figure: the device comprises a test platform 1, a connecting rod 2, a brake cable support 3, a lifting support 4, a brake cable 5, a linear bearing 6, a force application spring 7, a weighing sensor 8, a servo motor 9, a speed reduction mechanism 10, an eccentric turntable 11, an adjusting positioning groove 12 and an adjusting screw 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution: a fatigue testing device for a brake cable of an electric vehicle comprises a testing platform 1, wherein a brake cable support 3 is arranged on the left side of the upper surface of the testing platform 1, a lifting support 4 is arranged on the left side of the upper surface of the testing platform 1, a brake cable 5 is arranged on the brake cable support 3, the lifting support 4 is supported on the lower side of the brake cable 5, two linear bearings 6 are arranged on the right side of the upper surface of the testing platform 1, two ends of the brake cable 5 are respectively inserted into the two linear bearings 6 and extend to the right sides of the two linear bearings 6, the right end of the brake cable 5 is connected with a force application spring 7, the other end of the force application spring 7 is connected onto a weighing sensor 8, the weighing sensor 8 is fixedly connected onto the right side of the upper surface of the testing platform 1, a servo motor 9 is arranged on the right side of the upper surface of the testing platform 1, the output end of, the other end of the connecting rod 2 is rotatably connected with the other end of the brake cable 5.
Further, an output shaft of the servo motor 9 is connected to an input shaft of a reduction mechanism 10, and an output shaft of the reduction mechanism 10 is connected to an eccentric rotary table 11.
Furthermore, an adjusting positioning groove 12 is formed in the outer wall of the eccentric rotary table 11, an adjusting screw 13 is connected to the adjusting positioning groove 12, an adjusting screw hole matched with the adjusting screw 13 is uniformly formed in the adjusting positioning groove 12, and the adjusting screw 13 is rotatably connected with the connecting rod 2.
Further, a storage cabinet is arranged on the lower side of the body of the test platform 1.
The working principle is as follows: during the test, servo motor 9 passes through reduction gears 10 drive eccentric rotating disc 11 and rotates, and pivoted eccentric rotating disc 11 drives adjusting screw 13 and rotates, and adjusting screw 13 rotates and stimulates connecting rod 2 right and promotes connecting rod 2 left, and connecting rod 2 can drive brake cable 5 reciprocating motion, and the other end of connecting rod 2 can stimulate application of force spring 7 or relax to the operation of the release of realization reciprocal pulling, 8 are used for detecting test process.
When the effort of application of force spring 7 need be adjusted when, only need to the deformation length adjustment of application of force spring 7 during operation can, through adjust 2 right-hand members of connecting rod on eccentric rotary table 11 relative position can, the regulation mode be, unscrew adjusting screw 13, adjust the right-hand member of connecting rod 2 to suitable position on adjusting positioning groove 12, later with adjusting screw 13 with adjust positioning groove 12 screw up once more can.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an electric motor car brake cable fatigue test device, includes test platform (1), its characterized in that: the brake cable testing device is characterized in that a brake cable support (3) is arranged on the left side of the upper surface of the testing platform (1), a lifting support (4) is arranged on the left side of the upper surface of the testing platform (1), a brake cable (5) is arranged on the brake cable support (3), the lifting support (4) is supported on the lower side of the brake cable (5), two linear bearings (6) are arranged on the right side of the upper surface of the testing platform (1), two ends of the brake cable (5) are respectively inserted into the two linear bearings (6) and extend to the right sides of the two linear bearings (6), the right end of the brake cable (5) is connected with a force application spring (7), the other end of the force application spring (7) is connected onto a weighing sensor (8), the weighing sensor (8) is fixedly connected to the right side of the upper surface of the testing platform (1), and a servo motor (9) is installed on the right side of the upper, the output of servo motor (9) is connected with eccentric rotating disc (11), it is connected with connecting rod (2) to rotate on the outer wall of eccentric rotating disc (11), the other end of connecting rod (2) rotates with the other end of brake cable (5) to be connected.
2. The electric vehicle brake cable fatigue testing device of claim 1, characterized in that: an output shaft of the servo motor (9) is connected with an input shaft of a speed reducing mechanism (10), and an output shaft of the speed reducing mechanism (10) is connected with an eccentric turntable (11).
3. The electric vehicle brake cable fatigue testing device of claim 1, characterized in that: be provided with on the outer wall of eccentric rotating disk (11) and adjust constant head tank (12), be connected with adjusting screw (13) on adjusting constant head tank (12), evenly be provided with the adjusting screw with adjusting screw (13) looks adaptation in adjusting constant head tank (12), adjusting screw (13) are rotated with connecting rod (2) and are connected.
4. The electric vehicle brake cable fatigue testing device of claim 1, characterized in that: and a storage cabinet is arranged on the lower side of the body of the test platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671470.4U CN213180703U (en) | 2020-11-18 | 2020-11-18 | Electric motor car brake cable fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671470.4U CN213180703U (en) | 2020-11-18 | 2020-11-18 | Electric motor car brake cable fatigue test device |
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| Publication Number | Publication Date |
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| CN213180703U true CN213180703U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022671470.4U Active CN213180703U (en) | 2020-11-18 | 2020-11-18 | Electric motor car brake cable fatigue test device |
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| CN (1) | CN213180703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499959A (en) * | 2023-06-30 | 2023-07-28 | 北京阿帕科蓝科技有限公司 | Brake cable durability test method and device and computer equipment |
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2020
- 2020-11-18 CN CN202022671470.4U patent/CN213180703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499959A (en) * | 2023-06-30 | 2023-07-28 | 北京阿帕科蓝科技有限公司 | Brake cable durability test method and device and computer equipment |
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