CN213121128U - Automobile brake performance detection device - Google Patents
Automobile brake performance detection device Download PDFInfo
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- CN213121128U CN213121128U CN202022310202.XU CN202022310202U CN213121128U CN 213121128 U CN213121128 U CN 213121128U CN 202022310202 U CN202022310202 U CN 202022310202U CN 213121128 U CN213121128 U CN 213121128U
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Abstract
The utility model discloses an automobile brake performance detection device, wherein a protective cover is hinged on a frame and covers an inertia rotating disc, a brake disc, brake calipers, a temperature detection assembly and a flatness detection mechanism; the driving motor is arranged at one end of the rack, an output shaft of the driving motor is fixedly connected with one end of the transmission shaft through a coupler, the other end of the transmission shaft is fixedly connected with an input shaft of the gearbox through a coupler, and the inertia rotating disc is arranged on the output shaft of the gearbox. The utility model discloses simple structure, convenient operation, good reliability can carry out quick accurate detection to car disc brake mechanism's brake disc and brake caliper, through driving motor, transmission shaft, gearbox and inertia rolling disc cooperation simulation rotation environment, the temperature detection subassembly can steam the brake disc and carry out temperature detection, can detect the planarization on the surface of brake disc through roughness detection mechanism.
Description
Technical Field
The utility model relates to an automobile brake system tests technical field, and more specifically says so and relates to an automobile brake performance detection device.
Background
The existing automobile brake system realizes braking by utilizing friction between a brake pad and a brake disc, but generates a large amount of heat energy while the friction is generated, particularly generates a large amount of heat when the brake is frequently used in mountain driving and occasions with more people stream, so that the temperature of the brake pad and a tire is rapidly increased, the metal surface of the brake pad is softened due to overhigh temperature, the friction coefficient is reduced, the braking performance is reduced, and when the temperature is increased to the upper limit of safe working of the brake pad and the tire, irretrievable property loss and personal injury caused by brake failure or tire burst and even death of people are possible. Therefore, the performance of the brake mechanism needs to be tested to meet the use standard.
The brake disc and the brake caliper are parts with high automobile replacement frequency, in order to meet the maintenance of various automobiles, the brake disc and the brake caliper of different brands can be purchased in batches, the price, the material and the manufacturing process of the brake disc and the brake caliper of different brands are different, so that the performance of the combined use of various brake discs and the brake caliper is different, the optimal combination scheme of the brake disc and the brake caliper needs to be selected according to the specific requirements of customers, the driving safety of the automobile is ensured, the combination of the brake disc and the brake caliper of different types is generally judged by engineers according to experience at present, the data reference is lacked, and the optimal selection scheme of the brake disc and the brake disc cannot be ensured.
Therefore, how to provide a device for detecting the braking performance of an automobile is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an automobile brake performance detection device for solve one of above-mentioned technical problem at least.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
a device for detecting the braking performance of an automobile comprises a rack, and a driving motor, a transmission shaft, a gearbox, an inertia rotating disc, a brake disc, brake calipers, a temperature detection assembly, a flatness detection mechanism and a protective cover which are arranged on the rack; the protective cover is hinged to the rack and covers the inertia rotating disc, the brake calipers, the temperature detection assembly and the flatness detection mechanism, and the protective cover can be covered during testing, so that the test is safer;
the driving motor is arranged at one end of the rack, an output shaft of the driving motor is fixedly connected with one end of the transmission shaft through a coupler, the other end of the transmission shaft is fixedly connected with an input shaft of the gearbox through a coupler, and the inertia rotating disc is arranged on the output shaft of the gearbox;
the inertia rotating disc comprises a flywheel and a plurality of counterweight discs detachably mounted on the flywheel, two circles of connecting screw rods are concentrically arranged on the flywheel, the outer circle is the counterweight disc mounting screw rod, and the inner circle is the brake disc connecting screw rod; a circle of counterweight plate mounting holes corresponding to the counterweight plate mounting screw rods are formed in the counterweight plate, the counterweight plate mounting screw rods penetrate through the counterweight plate mounting holes and are screwed with nuts, and the counterweight plate is tightly mounted on the flywheel; a round opening for the brake disc connecting screw to penetrate through is formed in the center of the counterweight disc, and the brake disc is mounted at the end part of the brake disc connecting screw through a nut;
the brake calipers are installed on the rack through caliper brackets, and the edges of the brake disc are positioned in the jaws of the brake calipers;
the temperature detection assembly is arranged on the rack through a temperature detection bracket and is positioned on one side of the brake disc;
the flatness detection mechanism is arranged on the rack through a flatness detection support and is positioned on one side of the brake disc.
Preferably, in the above device for detecting the braking performance of the automobile, the flatness detecting mechanism includes a sleeve, a movable rod, a resistor disc, a conductive block and a spring; one end of the sleeve is open, and the other end of the sleeve is provided with a sealing plate; one end of the movable rod is positioned in the sleeve, and the other end of the movable rod extends out of the opening of the sleeve and is in sliding connection with the disc surface of the brake disc; one end of the movable rod, which is positioned in the sleeve, is connected with the sealing plate through a spring;
the sleeve is in clearance fit with the movable rod, the resistor disc is arranged on the inner wall of the sleeve, the conductive block is arranged on the rod body of the movable rod in the sleeve, and the conductive block is connected with the resistor disc in a sliding mode.
Preferably, in the device for detecting the braking performance of the automobile, the sleeve is provided with a detection power supply and an ammeter, and the detection power supply connects the ammeter, the resistor disc and the conductive block in series in sequence through a lead to form a closed loop.
Preferably, in the above device for detecting the braking performance of the automobile, a wear-resistant ball head is arranged at one end of the movable rod, which is in sliding connection with the disc surface of the brake disc.
Preferably, in the above device for detecting the brake performance of the automobile, the temperature detection assembly includes a caliper infrared thermometer and a brake disc infrared thermometer, a temperature probe of the caliper infrared thermometer is arranged opposite to the brake caliper, and a temperature probe of the brake disc infrared thermometer is arranged corresponding to the brake disc.
Preferably, in the above device for detecting the braking performance of the automobile, the protective cover is uniformly provided with a plurality of meshes.
Preferably, in the above device for detecting the braking performance of the automobile, the protective cover is hinged to the frame through a hinge.
Preferably, in the above device for detecting braking performance of an automobile, a plurality of the weight plates are stacked on the flywheel.
Preferably, in the above device for detecting the braking performance of the automobile, the brake caliper is connected to the brake pump through a hydraulic pipeline.
According to the technical scheme, compare with prior art, the utility model provides a car brake performance detection device, the utility model discloses a simple structure, convenient operation, good reliability can carry out quick accurate the measuring to car disc brake mechanism's brake disc and brake caliper, through driving motor, transmission shaft, gearbox and inertia rolling disc cooperation simulation rotating environment, the temperature-detecting subassembly can steam the brake disc and carry out temperature detection, can detect the planarization on the surface of brake disc through roughness detection mechanism.
The utility model discloses can detect braking system's stability, security and durability, effectively solve current judge according to the engineer according to the experience, lack the data reference, can not guarantee brake block and brake disc for the problem of optimal selection scheme.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a state diagram of the present invention during testing;
FIG. 3 is an exploded view of the inertial rotating disk;
FIG. 4 is a sectional view of the flatness detecting mechanism.
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.
The embodiment of the utility model discloses an automobile brake performance detection device, which comprises a frame 1, a driving motor 2, a transmission shaft 3, a gearbox 4, an inertia rotating disc 5, a brake disc 6, brake calipers 7, a temperature detection assembly, a flatness detection mechanism 8 and a protective cover 9, wherein the driving motor 2, the transmission shaft 3, the gearbox 4, the inertia rotating disc 5, the brake disc 6, the brake calipers 7, the temperature detection assembly, the flatness detection mechanism 8 and the; the protective cover 9 is hinged on the rack 1, and covers the inertia rotating disc 5, the brake disc 6, the brake calipers 7, the temperature detection assembly and the flatness detection mechanism 8 in the protective cover, so that the protective cover can be covered during testing, and the safety is improved;
the driving motor 2 is arranged at one end of the frame 1, an output shaft of the driving motor 2 is fixedly connected with one end of the transmission shaft 3 through a coupler, the other end of the transmission shaft 3 is fixedly connected with an input shaft of the gearbox 4 through a coupler, and the inertia rotating disc 5 is arranged on the output shaft of the gearbox 4;
the inertia rotating disc 5 comprises a flywheel 51 and a plurality of counterweight discs 52 which are detachably arranged on the flywheel 51, two circles of connecting screw rods are concentrically arranged on the flywheel 51, the counterweight disc mounting screw rods 53 are arranged on the outer circle, and the brake disc connecting screw rods 54 are arranged on the inner circle; a circle of counterweight plate mounting holes corresponding to the counterweight plate mounting screw rods 53 are formed in the counterweight plate 52, the counterweight plate mounting screw rods 53 penetrate through the counterweight plate mounting holes and are screwed with nuts, and the counterweight plate 52 is tightly mounted on the flywheel 51; a round port for the brake disc connecting screw rod 54 to penetrate through is formed in the center of the counterweight disc 52, and the brake disc 6 is installed at the end part of the brake disc connecting screw rod 54 through a nut;
the brake calipers 7 are arranged on the frame 1 through caliper supports, and the edges of the brake disc 6 are positioned in the calipers 7;
the temperature detection assembly is arranged on the frame 1 through a temperature detection bracket and is positioned on one side of the brake disc 6;
the flatness detection mechanism 8 is arranged on the frame 1 through a flatness detection support and is positioned on one side of the brake disc 6.
In order to further optimize the above technical solution, the flatness detection mechanism 8 includes a sleeve 81, a movable rod 82, a resistance sheet 83, a conductive block 84, and a spring 85; one end of the sleeve 81 is open, and the other end is provided with a sealing plate 86; one end of the movable rod 82 is positioned in the sleeve 81, and the other end of the movable rod extends out of the opening of the sleeve 81 and is connected with the disc surface of the brake disc 6 in a sliding manner; one end of the movable rod 82 positioned in the sleeve 81 is connected with a sealing plate 86 through a spring 85;
the sleeve 81 is in clearance fit with the movable rod 82, the resistive sheet 83 is arranged on the inner wall of the sleeve 81, the conductive block 84 is arranged on the rod body of the movable rod 82 in the sleeve 81, and the conductive block 84 is connected with the resistive sheet 83 in a sliding mode.
In order to further optimize the technical scheme, a detection power supply 87 and an ammeter 88 are arranged on the sleeve 81, and the detection power supply 87 sequentially connects the ammeter 88, the resistance sheet 83 and the conductive block 84 in series through a lead to form a closed loop.
In order to further optimize the technical scheme, one end of the movable rod 82, which is in sliding connection with the disc surface of the brake disc 6, is provided with a wear-resistant ball head 89.
In order to further optimize the technical scheme, the temperature detection assembly comprises a caliper infrared thermometer 10 and a brake disc infrared thermometer 11, a temperature measurement probe of the caliper infrared thermometer 10 is arranged opposite to the brake caliper 7, and a temperature measurement probe of the brake disc infrared thermometer 11 is arranged corresponding to the brake disc 6.
In order to further optimize the technical scheme, a plurality of meshes are uniformly arranged on the protective cover 9.
In order to further optimize the above technical solution, the protection cover 9 is hinged on the frame 1 by a hinge.
In order to further optimize the above solution, a plurality of weight plates 52 are arranged on the flywheel 51 in a superimposed manner.
In order to further optimize the above technical solution, the brake caliper 7 is connected with the brake pump through a hydraulic line.
In order to further optimize the technical scheme, the brake system further comprises a single chip microcomputer, and the driving motor 2, the caliper infrared thermometer 10, the brake disc infrared thermometer 11 and the brake pump are respectively and electrically connected with the single chip microcomputer.
The single chip microcomputer adopts a single chip microcomputer AT89C2051, the AT89C2051 is a low-voltage and high-performance CMOS 8-bit single chip microcomputer produced by ATMEL company in America, a piece of the single chip microcomputer contains a read only program memory PEROM which is 2kbytes and can be repeatedly erased and written and a random data memory RAM which is 128bytes, the device is produced by adopting a high-density and nonvolatile storage technology of the ATMEL company, the device is compatible with a standard MCS-51 instruction system, a universal 8-bit central processing unit and a Flash storage unit are arranged in the piece of the single chip microcomputer, and the AT89C2051 single chip microcomputer is widely applied to electronic products.
The caliper infrared thermometer 10 and the brake disc infrared thermometer 11 both adopt an MIK-AS-10 industrial online short-wave infrared thermometer in the Mike department.
The working principle is as follows:
the driving motor 2 drives the transmission shaft 3 to rotate to drive the inertia rotating disc 5 to rotate, and then the brake disc 6 is connected with the flywheel 51 of the inertia rotating disc 5, so that the simulation of the driving condition is realized, and the rotating speed can be changed through the gearbox 4;
the brake calipers 7 are controlled by a brake pump, and when the brake pump is controlled by the single chip microcomputer to act on the brake calipers 7, the brake calipers 7 can apply clamping force to the brake disc 6 to perform friction braking; the caliper infrared thermometer 10 and the brake disc infrared thermometer 11 can respectively monitor the heating degrees of the brake caliper 7 and the brake disc 6; meanwhile, in the detection process in the rotation process, when the brake disc 6 rotates, because the wear-resistant ball head 89 fixedly connected to the movable rod 82 under the elastic force of the spring 85 always abuts against the disc surface of the brake disc 6, if the disc surface of the brake disc 6 has protrusions, the brake disc 6 enables the movable rod 82 to reciprocate in the sleeve 81, the movable rod 82 drives the conductive block 84 to move on the resistance sheet 83, so that the resistance in the circuit changes, the current meter 88 can display the current fluctuation of the circuit caused by the resistance change, so that the continuous value of the disc surface flatness of the brake disc 6 is obtained, and the further analysis of the flatness of the brake disc 6 is facilitated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The automobile brake performance detection device is characterized by comprising a rack, and a driving motor, a transmission shaft, a gearbox, an inertia rotating disc, a brake disc, brake calipers, a temperature detection assembly, a flatness detection mechanism and a protective cover which are arranged on the rack; the protective cover is hinged to the rack and covers the inertia rotating disc, the brake calipers, the temperature detection assembly and the flatness detection mechanism;
the driving motor is arranged at one end of the rack, an output shaft of the driving motor is fixedly connected with one end of the transmission shaft through a coupler, the other end of the transmission shaft is fixedly connected with an input shaft of the gearbox through a coupler, and the inertia rotating disc is arranged on the output shaft of the gearbox;
the inertia rotating disc comprises a flywheel and a plurality of counterweight discs detachably mounted on the flywheel, two circles of connecting screw rods are concentrically arranged on the flywheel, the outer circle is the counterweight disc mounting screw rod, and the inner circle is the brake disc connecting screw rod; a circle of counterweight plate mounting holes corresponding to the counterweight plate mounting screw rods are formed in the counterweight plate, the counterweight plate mounting screw rods penetrate through the counterweight plate mounting holes and are screwed with nuts, and the counterweight plate is tightly mounted on the flywheel; a round opening for the brake disc connecting screw to penetrate through is formed in the center of the counterweight disc, and the brake disc is mounted at the end part of the brake disc connecting screw through a nut;
the brake calipers are installed on the rack through caliper brackets, and the edges of the brake disc are positioned in the jaws of the brake calipers;
the temperature detection assembly is arranged on the rack through a temperature detection bracket and is positioned on one side of the brake disc;
the flatness detection mechanism is arranged on the rack through a flatness detection support and is positioned on one side of the brake disc.
2. The device for detecting the braking performance of the automobile as claimed in claim 1, wherein the flatness detecting mechanism comprises a sleeve, a movable rod, a resistance sheet, a conductive block and a spring; one end of the sleeve is open, and the other end of the sleeve is provided with a sealing plate; one end of the movable rod is positioned in the sleeve, and the other end of the movable rod extends out of the opening of the sleeve and is in sliding connection with the disc surface of the brake disc; one end of the movable rod, which is positioned in the sleeve, is connected with the sealing plate through a spring;
the sleeve is in clearance fit with the movable rod, the resistor disc is arranged on the inner wall of the sleeve, the conductive block is arranged on the rod body of the movable rod in the sleeve, and the conductive block is connected with the resistor disc in a sliding mode.
3. The device for detecting the braking performance of the automobile as claimed in claim 2, wherein a detection power supply and an ammeter are arranged on the sleeve, and the detection power supply connects the ammeter, the resistance card and the conductive block in series in sequence through a lead to form a closed loop.
4. The device for detecting the braking performance of the automobile as claimed in claim 3, wherein a wear-resistant ball head is arranged at one end of the movable rod in sliding connection with the disc surface of the brake disc.
5. The device for detecting the brake performance of the automobile according to claim 1, wherein the temperature detection assembly comprises a caliper infrared thermometer and a brake disc infrared thermometer, a temperature probe of the caliper infrared thermometer is arranged opposite to the brake caliper, and a temperature probe of the brake disc infrared thermometer is arranged corresponding to the brake disc.
6. The device for detecting the braking performance of the automobile as claimed in claim 1, wherein the protective cover is uniformly provided with a plurality of meshes.
7. The device for detecting the braking performance of the automobile as claimed in claim 1, wherein the protective cover is hinged to the frame through a hinge.
8. The apparatus of claim 1, wherein a plurality of the weight plates are stacked on the flywheel.
9. The apparatus of claim 1, wherein the brake caliper is connected to the brake pump through a hydraulic line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310202.XU CN213121128U (en) | 2020-10-16 | 2020-10-16 | Automobile brake performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310202.XU CN213121128U (en) | 2020-10-16 | 2020-10-16 | Automobile brake performance detection device |
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| Publication Number | Publication Date |
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| CN213121128U true CN213121128U (en) | 2021-05-04 |
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| CN202022310202.XU Active CN213121128U (en) | 2020-10-16 | 2020-10-16 | Automobile brake performance detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608861A (en) * | 2019-09-10 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Soft package battery sealing performance detection method and device |
| CN113819878A (en) * | 2021-11-22 | 2021-12-21 | 山东信昌环保科技有限公司 | Brake disc performance testing equipment and testing method |
| CN115183999A (en) * | 2022-07-26 | 2022-10-14 | 句容市天王汽车配件制造有限公司 | Cooling device for automobile brake disc |
| CN115219185A (en) * | 2022-09-20 | 2022-10-21 | 烟台美丰机械有限公司 | Intelligent manufactured automobile brake disc fatigue strength testing device |
-
2020
- 2020-10-16 CN CN202022310202.XU patent/CN213121128U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608861A (en) * | 2019-09-10 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Soft package battery sealing performance detection method and device |
| CN113819878A (en) * | 2021-11-22 | 2021-12-21 | 山东信昌环保科技有限公司 | Brake disc performance testing equipment and testing method |
| CN115183999A (en) * | 2022-07-26 | 2022-10-14 | 句容市天王汽车配件制造有限公司 | Cooling device for automobile brake disc |
| CN115219185A (en) * | 2022-09-20 | 2022-10-21 | 烟台美丰机械有限公司 | Intelligent manufactured automobile brake disc fatigue strength testing device |
| CN115219185B (en) * | 2022-09-20 | 2022-11-29 | 烟台美丰机械有限公司 | Intelligent manufactured automobile brake disc fatigue strength testing device |
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Effective date of registration: 20240513 Address after: 030012 No. 106, Changzhi Road, Taiyuan, Shanxi Patentee after: Shanxi inspection and Testing Center (Shanxi Institute of standard measurement technology) Country or region after: China Address before: 030000 No.130 Bingzhou North Road, Taiyuan City, Shanxi Province Patentee before: Taiyuan Institute of standard measurement and quality inspection Country or region before: China |