Brake block life detection device
Technical Field
The utility model relates to the technical field of vehicle detection, in particular to a device for detecting the service life of a brake pad.
Background
The automobile brake pad is also called an automobile brake pad, and refers to a friction material fixed on a brake drum or a brake disc rotating with a wheel, wherein a friction lining and the friction pad bear external pressure and generate friction action so as to achieve the aim of decelerating a vehicle, and when the automobile brake pad is manufactured, the service life of the automobile brake pad needs to be detected by a detection device;
the utility model discloses a service life detection device for a vehicle brake pad, which comprises a bottom plate and a brake disc, wherein a fixed plate is fixed on the outer wall of the top of the bottom plate, the fixed plates are respectively positioned on the left side and the right side of the bottom plate, telescopic rods are fixed on the inner walls of the opposite sides of the fixed plates, a second connecting rod is fixed on the top end of the telescopic rods, a tension sensor is fixed at one end of the second connecting rod, a first connecting rod is fixed at one end of the tension sensor, a second brake caliper is fixed at one end of the left side of the first connecting rod, and the service life of the first brake pad and the second brake pad is judged by the first brake caliper, the second brake caliper, the first brake pad and the second brake pad which are arranged, shortening the telescopic rods, enabling the first brake caliper and the second brake pad to reversely move, enabling the first brake pad and the second brake pad to be in contact with the brake disc and form sliding friction with the brake disc and observing the wear conditions of the first brake pad and the second brake pad;
if the service life detection device of the brake pad in the comparison document can have two problems during use, firstly, the device uses two telescopic rods to drive when the brake pad and the brake caliper are in contact friction, the control method needs circuit matching to realize the extrusion force of the same direction and the same size at the two sides, the realization operation is more complicated, the energy consumption is more, the energy saving is unfavorable, the use cost can be increased, and secondly, the whole structure needs to be disassembled when the brake pad is mounted on the output shaft of the motor, the dismounting operation is more complicated and the device is inconvenient.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a service life detection device for a brake pad.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a brake pad service life detection device, comprising:
the detecting box is characterized in that vertical plates are fixedly arranged on the left side and the right side of the inner wall of the bottom of the detecting box respectively, a supporting table is fixedly arranged in the middle of the inner wall of the bottom of the detecting box, and fixing plates are fixedly arranged on the left side and the right side of the top of the supporting table;
the fixing assembly is installed on the vertical plate;
and the friction assembly is arranged on the supporting table and the fixed plate.
Preferably, the fixed subassembly includes motor, speed changing plate, first connecting axle, second connecting axle, spline housing and brake block main part, motor fixed mounting is in one side of speed changing plate, speed changing plate fixed mounting is in one side of right side riser, first connecting axle and the output fixed connection of speed changing plate, the inboard at left riser is installed in the second connecting axle rotation, the spline housing sets up in the outside of first connecting axle and second connecting axle, brake block main part fixed mounting is in the outside of second connecting axle.
Preferably, external splines are arranged on the outer sides of opposite ends of the first connecting shaft and the second connecting shaft, internal splines are arranged on the inner sides of the spline housing, and the internal splines are matched with the external splines.
Preferably, the output end of the motor is fixedly connected with the input end of the speed changing disc.
Preferably, the friction subassembly includes slide bar, spring, slider, brake calliper, electric putter and connecting rod, slide bar fixed mounting is around the inboard of fixed plate between the both sides, the spring housing is established in the outside left and right sides of slide bar, slider slidable mounting is between the outside left and right sides of a plurality of slide bars, brake calliper fixed mounting is at the top of slider, electric putter fixed mounting is in the middle of the top of brace table department, the connecting rod rotates one side of installing at the slider, the one end of connecting rod is rotated with electric putter's output and is connected.
Preferably, through holes are respectively formed in the front side and the rear side of one side of the sliding block, and the through holes are in transition fit with the sliding rod.
Preferably, a temperature sensor is arranged on one side of the brake pad main body, and a tension sensor is arranged between the sliding block and the spring.
Preferably, a display screen is arranged on the front upper side of the detection box, a controller is embedded in the middle of the front side of the detection box, and a feeding door is rotatably arranged on the front lower side of the detection box.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the brake pad service life detection device, through the friction assembly, the brake pad service life detection device can realize that the brake calipers on two sides are in contact friction with the brake pad simultaneously through the driving of the power piece, so that the operation is simple, the energy consumption is relatively low, the energy conservation is facilitated, and the use cost is reduced.
(2) According to the brake pad service life detection device, through the fixed assembly, the brake pad service life detection device can be conveniently detached and installed, and the brake pad service life detection device is simple in detachment and installation operation and convenient enough.
Drawings
FIG. 1 is a schematic perspective view of a brake pad life detection device according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a brake pad service life detecting device according to the present utility model;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. a detection box; 2. a vertical plate; 3. a support table; 4. a fixing plate; 5. a motor; 6. a shift plate; 7. a first connecting shaft; 8. a second connecting shaft; 9. a spline housing; 10. a brake pad body; 11. a slide bar; 12. a spring; 13. a slide block; 14. a brake caliper; 15. an electric push rod; 16. a connecting rod; 17. a display screen; 18. a controller; 19. and a feeding door.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples
Referring to fig. 1-4, a brake pad service life detection device comprises a detection box 1, a fixing component and a friction component, wherein a vertical plate 2 is fixedly installed on the left side and the right side of the inner wall of the bottom of the detection box 1 respectively, the vertical plate 2 is used for fixing a speed changing disc 6 and a second connecting shaft 8, a supporting table 3 is fixedly installed in the middle of the inner wall of the bottom of the detection box 1, the supporting table 3 is used for fixing and positioning an electric push rod 15, a fixing plate 4 is fixedly installed on the left side and the right side of the top of the supporting table 3, a sliding rod 11 can be fixed on the fixing plate 4, the fixing component is installed on the vertical plate 2, the friction component is installed on the supporting table 3 and the fixing plate 4, a display screen 17 is arranged on the front upper side of the detection box 1 and is electrically connected with a tension sensor and a temperature sensor and is used for displaying the temperature and the pressure of a brake pad main body 10, a controller 18 is embedded in the middle of the front side of the detection box 1, and a feeding door 19 is rotatably installed on the front lower side of the detection box 1.
In this embodiment, motor 5 fixed mounting is in one side of speed change plate 6, speed change plate 6 fixed mounting is in one side of right side riser 2, first connecting axle 7 and the output fixed connection of speed change plate 6, second connecting axle 8 rotates the inboard of installing at left riser 2, spline housing 9 sets up in the outside of first connecting axle 7 and second connecting axle 8, brake block main part 10 fixed mounting is in the outside of second connecting axle 8, the opposite end outside of first connecting axle 7 and second connecting axle 8 is provided with the external spline, the inboard of spline housing 9 is provided with the internal spline, internal spline and external spline looks adaptation are interference fit between internal spline and the external spline, but convenient dismantlement first connecting axle 7 and second connecting axle 8 are used for installing the brake block, can conveniently make motor 5 drive the brake block rotatory simultaneously after the installation, the output of motor 5 and the input fixed connection of speed change plate 6 are used for adjusting output rotational speed, it is current mature technique.
In this embodiment, slide bar 11 fixed mounting is between the inboard front and back both sides of fixed plate 4, the spring 12 cover is established in the outside left and right sides of slide bar 11, the spring 12 can provide the inside extrusion force of slider 13, slider 13 slidable mounting is between the outside left and right sides of a plurality of slide bars 11, brake caliper 14 fixed mounting is at the top of slider 13, electric putter 15 fixed mounting is in the top centre department of brace table 3, connecting rod 16 rotates and installs in one side of slider 13, the one end of connecting rod 16 is connected with electric putter 15's output rotation, connecting rod 16 accessible is by being promoted rotatory drive slider 13 and is moved about, the through-hole has been seted up respectively to the side front and back both sides of slider 13, be transition fit between through-hole and the slide bar 11, the through-hole can be convenient for slider 13 in the outside smooth slip of slide bar 11, one side of brake block main part 10 is provided with temperature sensor, be provided with tension sensor between slider 13 and the spring 12.
Through the structure, the service life detection device for the brake pad provided by the utility model can realize that the brake calipers 14 on two sides are simultaneously in contact friction with the brake pad through the driving of one power piece, is simple to operate, has relatively less energy consumption, is beneficial to saving energy, reduces the use cost, can conveniently realize the disassembly and the assembly of the brake pad, is simple and convenient enough to operate, particularly, the device is firstly connected with an external power supply, the brake pad main body 10 is fixed on the second connecting shaft 8, the second connecting shaft 8 is connected with the first connecting shaft 7 through the spline sleeve 9, the motor 5 is controlled to work through the controller 18, the motor 5 is driven to rotate through the speed changing disc 6, the first connecting shaft 7 is driven to rotate through the spline sleeve 9, and then the brake pad main body 10 can be driven to rotate through the controller 18, meanwhile, the electric push rod 15 is controlled to work through the controller 18, the connecting rod 16 is driven to move up and down through the output end, the connecting rod 16 is driven to rotate around the fixed point when moving, the sliding block 13 slides on the slide bar 11, and simultaneously, the brake calipers are driven to move relatively to the second connecting shaft 8 through the spline sleeve 9, and the brake calipers are driven to move relative to the brake pad main body 14 under the synchronous action of the spring 12 and the connecting rod 16, and the brake pad is driven to rotate through the spline sleeve 6, and the friction information is displayed on a real-time screen to be in contact with the display screen 17.
The service life detection device of the brake pad provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.