CN216433349U

CN216433349U - Quick detection device of car braking force

Info

Publication number: CN216433349U
Application number: CN202122710782.6U
Authority: CN
Inventors: 肖百卉; 刘玙璠; 臧力卓; 龚雨寒; 田佩玉; 冯逸群
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-03
Anticipated expiration: 2031-11-08

Abstract

A device for quickly detecting the braking force of an automobile comprises a detection main body, an infrared inductor and a test slot, wherein an auxiliary assembly is arranged at the back end of the detection main body, the distance between infrared ray lamps at the left end and the right end is adjusted by adjusting the distance between supporting plates at the two ends, and the device is suitable for automobiles with different widths, so that the left side and the right side of the automobile are aligned to infrared rays, and the automobile can be accurately centered and stopped on the detection main body; the toothed plate can automatically drive the supporting plate to rotate downwards by arranging the adjusting assembly at the rear end of the shell, so that the supporting plate is prevented from blocking the movement of the automobile, and the subsequent processing of the automobile is facilitated; through having set up conveying component at the left end of shell, the air-blower can be taken air and blow to the bottom of car, is convenient for play dust removal and stoving effect to the car bottom to the position of adjustable backup pad further strengthens the clearance to the car bottom.

Description

Quick detection device of car braking force

Technical Field

The utility model relates to a car brake force detects relevant field, specifically is a car brake force short-term test device.

Background

The automobile braking performance refers to the ability of an automobile to be forcibly decelerated to stop during running or to keep running at a certain speed on a downhill, the automobile braking process is to artificially increase the running resistance of the automobile and is performed by means of wheel brakes, an engine or special auxiliary brakes, the automobile detection is to determine the technical condition or the working capacity of the automobile, the automobile is checked along with the prolonging of the service time (or the increase of the running mileage) during the use process, the parts of the automobile are gradually worn, corroded, deformed and aged, the lubricating oil is deteriorated and the like, so that the automobile braking force detection is indispensable, when the automobile brakes on the brake platform, the braking force of the wheels acts on the roller to give a braking torque to the roller, the braking torque can be transmitted to the force sensor through the force measuring arm, and the force sensor measures the force, so that the torque is calculated, and the braking force of the wheel is calculated.

The car detects brake performance through detection device, and the car often need remove and detect on detection device, and partial driver's technique is comparatively inexperienced, when driving the car, comparatively is difficult for standing the accurate stopping of car centering in the device top, and the device is less to the regulating effect of car, reduces the detection effect to the car.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a car braking force short-term test device here.

The utility model is realized in such a way, construct a device for rapidly detecting the braking force of an automobile, which comprises a detection main body, an infrared sensor, a test groove, a main roller, an auxiliary roller, a third roller, an auxiliary component and a power cord, wherein the infrared sensor is arranged at the left part of the front end surface of the detection main body, the test grooves are arranged at the left and right ends of the top part of the detection main body, the test grooves are respectively connected with the main roller, the auxiliary roller and the third roller from front to back, the back end of the detection main body is provided with the power cord, the auxiliary component is connected with the back end of the detection main body, the auxiliary component comprises a shell, a chute, a motor, a screw rod, a slider, a concave limiting frame, a supporting plate, an infrared ray lamp, an adjusting component and a conveying component, the shell is connected with the back end of the detection main body, the chute is arranged in the shell, and the left end in the chute is connected with a motor base bolt, the infrared ray lamp is characterized in that the output shaft of the motor is rotatably connected with the left end of the screw rod, the side face of the screw rod is in threaded connection with the inner middle end of the sliding block, the back end of the sliding block is connected with the concave limiting frame, the inner side face of the concave limiting frame is rotatably connected with the lower end of the supporting plate, the front end face of the supporting plate is connected with the infrared ray lamp, the adjusting assembly is connected with the inner middle end of the shell, and the conveying assembly is connected with the inner left end of the shell.

Preferably, the adjusting part comprises an electric push rod, a connecting rod, an inner frame, a toothed plate and a matching gear, the electric push rod is connected with the inner middle end of the shell through a bolt, the telescopic end of the electric push rod is fixedly connected with the front end of the connecting rod, the inner frame is connected with the back end of the shell through a bolt, the inner side face of the inner frame is connected with the toothed plate in a sliding mode, the toothed plate is fixedly connected with the side face of the connecting rod, the circle center of the matching gear is fixedly connected with the rotating shaft of the lower end of the supporting plate, and the toothed plate is meshed with the lower end of the matching gear.

Preferably, the conveying assembly comprises an air blower, a conveying pipe and a ventilation groove, the air blower is connected with a bolt at the left end in the shell, an air outlet pipe of the air blower is connected with the left end of the conveying pipe, the ventilation groove is arranged in the supporting plate, and the conveying pipe is communicated with the lower end of the ventilation groove.

Preferably, the screw threads at the left end and the right end of the screw rod are reverse, and the rear end of the sliding groove penetrates through the back end face of the shell.

Preferably, the supporting plate is symmetrically arranged at the left end and the right end of the detection main body, and the infrared ray lamp is vertically connected with the supporting plate.

Preferably, the joint of the lower end of the supporting plate and the concave limiting frame is of a cylindrical structure.

Preferably, the connecting rods are of a T-shaped structure, two groups of inner frames are arranged, and auxiliary grooves matched with the connecting rods are formed in the side faces of the inner frames.

Preferably, the upper end of the inner frame is provided with a moving groove matched with the diameter of the matching gear, and the lower end of the matching gear extends into the inner frame.

Preferably, the material of the matching gear is aluminum alloy.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a car braking force short-term test device here, compare with equipment of the same type, have following improvement:

a car brake force short-term test device is through having set up the back end of auxiliary assembly in the detection main part, adjusts the interval between the infrared ray lamp of left and right ends through the interval of adjusting between the backup pad of both ends to adjust the car that is fit for not the width size with this, make the left and right sides of car aim at infrared ray, so that the car can comparatively accurate centering stop in detecting the main part.

A car braking force short-term test device, through having set up the rear end of adjusting part at the shell, the pinion rack can drive the backup pad automatically and rotate downwards, avoids the backup pad to obstruct the removal of car, the follow-up processing to the car of being convenient for.

A car brake force short-term test device, through having set up the left end of conveying subassembly at the shell, the air-blower and can extract the air and pass through the conveyer pipe and transmit to the ventilative groove that is arranged in the backup pad inside to upwards transmit the air, blow to the bottom of car, be convenient for play dust removal and stoving effect to the car bottom, and the position of adjustable backup pad, further strengthen the clearance to the car bottom.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural diagram of the auxiliary assembly of the present invention;

FIG. 4 is a schematic view of the connection relationship between the sliding slot and the inner frame;

fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention.

Wherein: the device comprises a detection main body-1, an infrared inductor-2, a test slot-3, a main roller-4, an auxiliary roller-5, a third roller-6, an auxiliary component-7, a power line-8, a shell-71, a sliding chute-72, a motor-73, a screw rod-74, a sliding block-75, a concave limiting frame-76, a supporting plate-77, an infrared ray lamp-78, an adjusting component-79, a conveying component-710, an electric push rod-791, a connecting rod-792, an inner frame-793, a toothed plate-794, a matching gear-795, an air blower-7101, a conveying pipe-7102 and a ventilation groove-7103.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

Please refer to fig. 1 and 2, the utility model discloses a quick detection device of automobile brake force, detect main part 1, infrared inductor 2, test groove 3, main cylinder 4, the auxiliary drum 5, the third cylinder 6, auxiliary assembly 7 and power cord 8, the terminal surface left part is equipped with infrared inductor 2 before detecting main part 1, both ends are equipped with test groove 3 about detecting main part 1 top, test groove 3 is connected with main cylinder 4, auxiliary drum 5 and third cylinder 6 respectively from the front to the back, detect main part 1 back of the body and be equipped with power cord 8, auxiliary assembly 7 is connected with detection main part 1 back of the body.

Referring to fig. 3, the utility model discloses a device for rapidly detecting braking force of an automobile, the auxiliary assembly 7 includes a housing 71, a sliding groove 72, a motor 73, a screw rod 74, a slider 75, a concave limit frame 76, a support plate 77, an infrared ray lamp 78, an adjusting assembly 79 and a conveying assembly 710, the housing 71 is connected with the back end of the detecting main body 1 to provide a space for installation and limiting, the sliding groove 72 is arranged in the housing 71 to facilitate the operation of components, the left end in the sliding groove 72 is connected with a base bolt of the motor 73 to provide a power source, an output shaft of the motor 73 is rotatably connected with the left end of the screw rod 74 to drive the slider 75 at the left and right ends to move, the side surface of the screw rod 74 is connected with the middle end in the slider 75 by a screw thread, the back end of the slider 75 is connected with the concave limit frame 76 to drive the concave limit frame 76 to move by the slider 75, the inner side surface of the concave limit frame 76 is rotatably connected with the lower end of the support plate 77 to facilitate the adjustment of the support plate 77, the terminal surface is connected with infrared ray lamp 78 before the backup pad 77, can provide auxiliary light for the operator, adjusting part 79 is connected with the interior middle-end of shell 71, conveying part 710 is connected with the interior left end of shell 71, lead screw 74 left and right ends screw thread is reverse, spout 72 rear end runs through shell 71 back end face, be convenient for be connected between slider 75 and the spacing frame 76 of spill, backup pad 77 is symmetry installation and detects main part 1 left and right ends, and infrared ray lamp 78 is connected with backup pad 77 is perpendicular, the backup pad 77 lower extreme is cylindrical structure with the spacing frame 76 junction of spill, improve backup pad 77's rotation effect.

Referring to fig. 3, 4 and 5, the adjusting assembly 79 of the present invention includes an electric push rod 791, a connecting rod 792, an inner frame 793, a toothed plate 794 and a matching gear 795, the electric push rod 791 is bolted to the inner middle end of the housing 71 to provide a power source, the telescopic end of the electric push rod 791 is fixedly connected to the front end of the connecting rod 792 to provide a pulling power for the connecting rod 792, the inner frame 793 is bolted to the back end of the housing 71, the inner side of the inner frame 793 is slidably connected to the toothed plate 794 to provide a power for the matching gear 795 to rotate when the toothed plate 794 moves, the toothed plate 794 does not obstruct the matching gear 795 when the matching gear 795 moves, the toothed plate 794 is fixedly connected to the side of the connecting rod 792, the center of the matching gear 795 is fixedly connected to the lower end of the rotating shaft of the supporting plate 77, the toothed plate 794 is engaged with the lower end of the matching gear 795, the connecting rod 792 is in a T-shaped structure, the inside casing 793 is equipped with two sets ofly, and the inside casing 793 side is equipped with the auxiliary groove identical with connecting rod 792, and inside casing 793 upper end is equipped with the shifting chute identical with cooperation gear 795 diameter, is convenient for remove about cooperation gear 795, and cooperation gear 795 lower extreme extends to in the inside casing 793.

Referring to fig. 1 and 5, in the device for rapidly detecting braking force of a vehicle according to the present invention, the conveying assembly 710 includes a blower 7101, a conveying pipe 7102 and a ventilating groove 7103, the blower 7101 is connected to the left end of the housing 71 by a bolt, the air can be drawn out from the outside, the outlet duct of the blower 7101 is connected to the left end of the conveying pipe 7102, the ventilating groove 7103 is disposed inside the supporting plate 77, so that the air can be transmitted to the outside through the supporting plate 77, and the lower end of the conveying pipe 7102 is connected to the lower end of the ventilating groove 7103.

The utility model provides a rapid detection device for the braking force of an automobile through improvement, and the working principle is as follows;

firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;

secondly, when the automobile is detected, the motor 73 in the shell 71 is controlled to operate in advance through an external controller, the motor 73 can apply power to the screw rod 74, the screw rod 74 drives the sliders 75 at the left end and the right end to move, the sliders 75 can drive the supporting plates 77 to move through the concave limiting frames 76, the supporting plates 77 at the two ends move oppositely and drive the infrared ray lamps 78 at the front ends of the supporting plates to move, the distance between the infrared ray lamps 78 at the left end and the right end can be adjusted by adjusting the distance between the supporting plates 77 at the two ends, the automobile with different widths can be adjusted, the left side and the right side of the automobile are aligned to the infrared rays, and the automobile can be accurately centered and stopped on the detection main body 1;

thirdly, when the automobile moves to the front end of the detection main body 1, the infrared sensor 2 senses that an object is close, sends a signal and controls the electric push rod 791 to operate, the electric push rod 791 can apply a pulling force to the connecting rod 792, so that the connecting rod 792 pulls the toothed plate 794 to move downwards, the toothed plate 794 can apply a meshing force to the matching gear 795, the matching gear 795 drives the supporting plate 77 to rotate downwards, and the supporting plate 77 is prevented from obstructing the operation of the automobile;

fourthly, the automobile can detect the main roller 4, the auxiliary roller 5 and the third roller 6 in the test groove 3 on the detection main body 1, after the detection is completed, the supporting plate 77 can be pre-adjusted to be positioned below the chassis of the automobile, then the automobile is controlled to move forwards, the air blower 7101 can be started, the air blower 7101 can pump air to transmit the air to the conveying pipe 7102, the conveying pipe 7102 can transmit the air to the ventilating groove 7103 in the supporting plate 77, the air is transmitted upwards and blown to the bottom of the automobile, the dust removal and drying effects on the bottom of the automobile can be achieved conveniently, the position of the supporting plate 77 can be adjusted, and the cleaning of the bottom of the automobile is further enhanced.

The utility model provides a quick detection device of automobile brake force through improving, through having set up the back end of auxiliary assembly 7 in detecting main part 1, adjust the interval between the infrared ray lamp 78 of left and right sides through adjusting the interval between the backup pad 77 of both ends, and adjust and be fit for the car of different width sizes with this, make the infrared ray of left and right sides alignment of car, so that the car can comparatively accurate centering stop on detecting main part 1; by arranging the adjusting assembly 79 at the rear end of the shell 71, the toothed plate 794 can automatically drive the supporting plate 77 to rotate downwards, so that the supporting plate 77 is prevented from obstructing the movement of the automobile, and the subsequent processing of the automobile is facilitated; through the arrangement of the conveying assembly 710 at the left end of the shell 71, the air blower 7101 can draw air to be transmitted into the air-permeable groove 7103 in the inner part of the supporting plate 77 through the conveying pipe 7102, and the air is transmitted upwards and blown to the bottom of the automobile, so that the dust removal and drying effects on the bottom of the automobile are facilitated, the position of the supporting plate 77 can be adjusted, and the cleaning of the bottom of the automobile is further enhanced.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

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

1. A rapid detection device for automobile braking force comprises a detection main body (1) and a power line (8), wherein an infrared sensor (2) is arranged at the left part of the front end face of the detection main body (1), test slots (3) are arranged at the left end and the right end of the top of the detection main body (1), the test slots (3) are respectively connected with a main roller (4), an auxiliary roller (5) and a third roller (6) from front to back, and the power line (8) is arranged at the back end of the detection main body (1); the method is characterized in that: the detection device is characterized by further comprising an auxiliary assembly (7), wherein the auxiliary assembly (7) is connected with the back end of the detection main body (1), the auxiliary assembly (7) comprises a shell (71), a sliding groove (72), a motor (73), a screw rod (74), a sliding block (75), a concave limiting frame (76), a supporting plate (77), an infrared ray lamp (78), an adjusting assembly (79) and a conveying assembly (710), the shell (71) is connected with the back end of the detection main body (1), the sliding groove (72) is arranged in the shell (71), the left end in the sliding groove (72) is in bolted connection with a base of the motor (73), an output shaft of the motor (73) is rotatably connected with the left end of the screw rod (74), the side face of the screw rod (74) is in threaded connection with the middle end in the sliding block (75), the back end of the sliding block (75) is connected with the concave limiting frame (76), and the inner side face of the concave limiting frame (76) is rotatably connected with the lower end of the supporting plate (77), the front end face of the supporting plate (77) is connected with the infrared ray lamp (78), the adjusting component (79) is connected with the middle end in the shell (71), and the conveying component (710) is connected with the left end in the shell (71).

2. The device for rapidly detecting the braking force of the automobile as claimed in claim 1, wherein: adjusting part (79) includes electric putter (791), connecting rod (792), inside casing (793), pinion rack (794) and cooperation gear (795), well end bolted connection in electric putter (791) and shell (71), electric putter (791) flexible end and connecting rod (792) front end fixed connection, inside casing (793) and shell (71) back end face bolted connection, inside casing (793) medial surface and pinion rack (794) sliding connection, pinion rack (794) and connecting rod (792) side fixed connection, cooperation gear (795) centre of a circle department and the pivot fixed connection of backup pad (77) lower extreme, pinion rack (794) and cooperation gear (795) lower extreme mesh mutually.

3. The device for rapidly detecting the braking force of the automobile as claimed in claim 1, wherein: the conveying assembly (710) comprises an air blower (7101), a conveying pipe (7102) and a ventilation groove (7103), the air blower (7101) is connected with the left end of the inner portion of the shell (71) through a bolt, an air outlet pipe of the air blower (7101) is connected with the left end of the conveying pipe (7102), the ventilation groove (7103) is formed in the inner portion of the supporting plate (77), and the conveying pipe (7102) is communicated with the lower end of the ventilation groove (7103).

4. The device for rapidly detecting the braking force of the automobile as claimed in claim 1, wherein: the threads at the left end and the right end of the screw rod (74) are reverse, and the rear end of the sliding groove (72) penetrates through the back end face of the shell (71).

5. The device for rapidly detecting the braking force of the automobile as claimed in claim 1, wherein: the supporting plate (77) is symmetrically arranged at the left end and the right end of the detection main body (1), and the infrared ray lamp (78) is vertically connected with the supporting plate (77).

6. The device for rapidly detecting the braking force of the automobile as claimed in claim 1, wherein: the joint of the lower end of the supporting plate (77) and the concave limiting frame (76) is of a cylindrical structure.

7. The device for rapidly detecting the braking force of the automobile as claimed in claim 2, wherein: the connecting rod (792) is T-shaped, the inner frame (793) is provided with two groups, and the side surface of the inner frame (793) is provided with an auxiliary groove matched with the connecting rod (792).

8. The device for rapidly detecting the braking force of the automobile as claimed in claim 2, wherein: the upper end of the inner frame (793) is provided with a moving groove with the diameter identical with that of the matching gear (795), and the lower end of the matching gear (795) extends into the inner frame (793).