CN210690076U

CN210690076U - Automobile brake performance detection test bed

Info

Publication number: CN210690076U
Application number: CN201921976119.7U
Authority: CN
Inventors: 梁孝武
Original assignee: Cartesy Diagnosis Technology Co ltd
Current assignee: Cartesy Diagnosis Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-05
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to the technical field of automobile detection, in particular to an automobile brake performance detection test bed, which comprises a test bed seat, wherein the inner side of the test bed seat is fixedly connected with a first motor, the end of a main shaft of the first motor is fixedly connected with a screw rod, the outer side of the screw rod is in threaded connection with a slide block, the top end of the slide block is fixedly connected with a shell, the inner side of the shell is in sliding connection with a sliding frame, the inner side of the top end of the sliding frame is rotatably connected with a roller, the outer end surfaces of the rollers positioned at the left side and the right side are both provided with a belt, the inner side of the shell is fixedly connected with a first fixed rod, and the components of the belt, the roller and the like are arranged, so that the belt can be driven to rotate by the belt, the contact surface layer of the, the slipping phenomenon of the wheels and the rollers caused by incomplete contact of the rollers and the wheels due to overlarge or undersize wheels is avoided.

Description

Automobile brake performance detection test bed

Technical Field

The utility model relates to an automobile inspection technical field specifically is an automobile brake performance test bench.

Background

The braking performance test is a test for measuring braking effectiveness of an automobile during braking operation under a specified condition to evaluate and research braking performance of the automobile, and mainly tests braking distance, braking time, braking deceleration, braking coordination time and the like in a road braking test, and commonly uses a counter-force type braking test bed to mainly test braking force, braking coordination time and the like in an indoor braking test.

In the existing detection process of the automobile braking test bed, because the automobile tires are different in size and model, the contact areas between the rollers and the wheels are different, the wheels cannot be driven to rotate well, the distances between the front wheels and the rear wheels of the automobiles with different models are different, the rollers in the test bed need to be adjusted manually, and a large amount of manpower and time are consumed, so that the automobile braking performance detection test bed is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile brake performance test bench to solve among the prior art because automobile tire's big or small model is different, the cylinder probably can't better drive the rotation of wheels and adjust the problem of consuming a large amount of manpowers and time to the cylinder position.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a car brake performance test bench, includes the test bench seat, the first motor of inboard fixedly connected with of test bench seat, first motor symmetric distribution is in the inboard of test bench seat, the terminal fixedly connected with screw rod of main shaft of first motor, the outside threaded connection of screw rod has the slider, slider and test bench seat sliding connection, the top fixedly connected with shell of slider, the inboard sliding connection of shell has the carriage, carriage symmetric distribution is in the inboard of shell, the inboard rotation in top of carriage is connected with the cylinder, the rear end fixedly connected with second motor of carriage, the terminal rear end fixedly connected with of main shaft and the cylinder of second motor, the outer terminal surface that is located the cylinder of the left and right sides all is provided with the belt.

Preferably, the inboard fixedly connected with first dead lever of shell, first dead lever symmetric distribution is at the internal face of shell, first dead lever wears to establish the inboard at the carriage, and first dead lever and carriage sliding connection, be located the left and right sides fixedly connected with mount between the first dead lever, the bottom and the shell fixed connection of mount, the outside of first dead lever is provided with first spring, the both ends of first spring respectively with carriage and mount fixed connection.

Preferably, the inboard sliding connection of mount has the slide bar, the slide bar is the symmetry setting from beginning to end, the bottom fixedly connected with second spring of slide bar, the bottom and the shell fixed connection of second spring are located the place ahead and rear rotate between the slide bar and be connected with the roller bar, the roller bar sets up in the inboard of belt, and the interior terminal surface sliding connection of roller bar and belt.

Preferably, the left end and the equal fixedly connected with baffle and the second dead lever of right-hand member of shell, the baffle sets up from top to bottom with the second dead lever is, and the length of baffle and second dead lever is the same, the spout has been seted up to the top terminal surface inboard of test bench seat, the shell sets up in the spout, and the length numerical value of spout is single the length numerical value sum of baffle length numerical value and shell.

Preferably, the outer end face of the second fixing rod is slidably connected with a supporting plate, the top end and the bottom end of the supporting plate are respectively slidably connected with the baffle and the test bed seat, a third spring is arranged on the outer side of the second fixing rod, two ends of the third spring are fixedly connected with the shell and the supporting plate, a limiting block is fixedly connected to the outer end face of the second fixing rod, and the limiting block is slidably connected with the test bed seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through components such as the belt that sets up, cylinder, hob can drive the wheel rotation through the belt, make the belt can be crooked through the hob, make the belt the same all the time with the contact surface layer of wheel to drive the wheel rotation that can be better avoids the too big or undersize of wheel to lead to the cylinder and the incomplete phenomenon of skidding that leads to wheel and cylinder of wheel contact.

2. The utility model discloses in, through components such as the slider that sets up, baffle, backup pad, can adjust the distance between the shell of the left and right sides through the slip of slider to make the device adjust according to the length of vehicle, make the belt correspond with the wheel automatically, need not artifical adjustment, and support the baffle through the backup pad, make things convenient for the removal of car on the pedestal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of a second motor mounting structure of the present invention.

In the figure: the device comprises a test bed 1, a test bed base 2, a first motor 2, a screw rod 3, a sliding block 4, a shell 5, a first fixing rod 6, a sliding frame 7, a roller 8, a second motor 9, a belt 10, a first spring 11, a fixing frame 12, a second spring 13, a sliding rod 14, a rolling rod 15, a second fixing rod 16, a limiting block 17, a baffle 18, a supporting plate 19 and a third spring 20.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the automobile brake performance detection test bed comprises a test bed seat 1, wherein a first motor 2 is fixedly connected to the inner side of the test bed seat 1, the first motor 2 is symmetrically distributed on the inner side of the test bed seat 1, a screw rod 3 is fixedly connected to the tail end of a main shaft of the first motor 2, a sliding block 4 is connected to the outer side of the screw rod 3 in a threaded manner, the sliding block 4 can be driven to slide through the rotation of the screw rod 3 in the arrangement, the sliding block 4 is in sliding connection with the test bed seat 1, a shell 5 is fixedly connected to the top end of the sliding block 4, a sliding frame 7 is connected to the inner side of the shell 5 in a sliding manner, the sliding frame 7 is symmetrically distributed on the inner side of the shell 5, a roller 8 is rotatably connected to the inner side of the top end of the sliding frame 7, a second motor 9 is fixedly connected to the rear, the outer end faces of the rollers 8 on the left side and the right side are provided with belts 10, and the belts 10 can be driven to move through the rollers 8, so that the belts 10 drive the wheels to rotate.

The inner side of the shell 5 is fixedly connected with a first fixed rod 6, the first fixed rod 6 is symmetrically distributed on the inner wall surface of the shell 5, the first fixed rod 6 penetrates through the inner side of the sliding frame 7, the first fixed rod 6 is connected with the sliding frame 7 in a sliding manner, fixed frames 12 are fixedly connected between the first fixed rods 6 at the left side and the right side, the bottom ends of the fixed frames 12 are fixedly connected with the shell 5, a first spring 11 is arranged at the outer side of the first fixed rod 6, two ends of the first spring 11 are respectively fixedly connected with the sliding frame 7 and the fixed frames 12, the sliding frame 7 is driven by the elasticity of the first spring 11, so that the belts 10 are supported by the rollers 8 at the left side and the right side, the belts 10 can be tightly attached to wheels, the inner side of the fixed frames 12 is connected with a sliding rod 14 in a sliding manner, the sliding rod 14 is symmetrically arranged from front to back, and the, the bottom end of the second spring 13 is fixedly connected with the shell 5, a rolling rod 15 is rotatably connected between the sliding rods 14 positioned in front and at the rear, the rolling rod 15 is arranged on the inner side of the belt 10, the rolling rod 15 is in sliding connection with the inner end face of the belt 10, the belt 10 is supported by the rolling rod 15, the upper layer and the lower layer of the belt 10 are prevented from being contacted with each other under the pressure of wheels, the roller 8 cannot drive the belt 10 to move, a baffle 18 and a second fixing rod 16 are fixedly connected to the left end and the right end of the shell 5, the baffle 18 and the second fixing rod 16 are arranged up and down, the length of the baffle 18 is the same as that of the second fixing rod 16, a chute is formed in the inner side of the top end face of the test pedestal 1, the shell 5 is arranged in the chute, and the length value of the chute is the sum of the length value of a single baffle 18 and the, according to the setting, the top end of the sliding chute is shielded through the baffle 18, the sliding chute is prevented from influencing the movement of an automobile, the outer end face of the second fixing rod 16 is connected with the supporting plate 19 in a sliding mode, the top end and the bottom end of the supporting plate 19 are respectively connected with the baffle 18 and the test bed seat 1 in a sliding mode, the outer side of the second fixing rod 16 is provided with the third spring 20, two ends of the third spring 20 are fixedly connected with the shell 5 and the supporting plate 19, the outer end face of the second fixing rod 16 is fixedly connected with the limiting block 17, the limiting block 17 is connected with the test bed seat 1 in a sliding mode, when the shell 5 is not located at the center position of the sliding chute, the supporting plate 19 supports the baffle 18, and deformation of the baffle 18 caused.

The type of the first motor 2 and the second motor 9 is a Y80M1-4 motor.

The working process is as follows: the utility model supplies power through an external power supply before use, controls the device through an external detection table controller, transports the automobile to the top end of a test pedestal 1, then starts a first motor 2, enables the first motor 2 to drive a screw rod 3 to rotate, the screw rod 3 can drive a slider 4 to slide through a threaded connection with the slider 4 when rotating, the slider 4 drives a shell 5 to move when sliding, the distance between the shells 5 at the left side and the right side is adjusted, the shell 5 corresponds to the wheel of the automobile, the wheel is placed at the inner side of the shell 5, the wheel can be contacted with a belt 10, under the action of gravity, the wheel can press down the center of the belt 10, the shape of the belt 10 is changed, the sliding frame 7 is moved through the elasticity of a first spring 11, the roller 8 is driven to stretch the belt 10, the top end surface of the belt 10 is tightly attached to the wheel, and through the elasticity of a second spring 13, the sliding rod 14 drives the rolling rod 15 to support the belt 10, so that the situation that the belt 10 cannot drive the belt 10 to rotate due to the fact that the upper layer belt 10 and the lower layer belt 10 rub with each other under the pressure of the wheels is avoided, the belt 10 drives the wheels to rotate, the automobile brake is controlled, the brake performance of the automobile is detected, in the sliding process of the shell 5, the second fixing rods 16 and the baffle plates 18 on the left side and the right side of the shell 5 can be driven to slide, the baffle plates 18 can shield the empty grooves in the test pedestal 1, the automobile on the test pedestal 1 can be conveniently moved, when the shell 5 deviates from the central position of the empty grooves, the second fixing rods 16 on one side can drive the limiting blocks 17 to slide out of the test pedestal 1, the limiting blocks 17 drive the supporting plate 19, the supporting plate 19 can support the baffle plates 18, deformation of the wheels in the moving process is avoided, and the supporting plate 19 on, and compresses the third spring 20, and the support plate 19 can move along with the stopper 17 when not contacting the test stand 1 by the elastic force of the third spring 20.

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

1. The utility model provides an automobile brake performance detection test bench, includes test bench seat (1), its characterized in that: the inboard fixedly connected with first motor (2) of test pedestal (1), first motor (2) symmetric distribution is in the inboard of test pedestal (1), the terminal fixedly connected with screw rod (3) of the main shaft of first motor (2), the outside threaded connection of screw rod (3) has slider (4), slider (4) and test pedestal (1) sliding connection, the top fixedly connected with shell (5) of slider (4), the inboard sliding connection of shell (5) has carriage (7), carriage (7) symmetric distribution is in the inboard of shell (5), the inboard rotation in top of carriage (7) is connected with cylinder (8), the rear end fixedly connected with second motor (9) of carriage (7), the main shaft end of second motor (9) and the rear end fixed connection of cylinder (8), the outer end faces of the rollers (8) positioned on the left side and the right side are provided with belts (10).

2. The automobile brake performance detection test bed according to claim 1, characterized in that: the inboard fixedly connected with first dead lever (6) of shell (5), first dead lever (6) symmetric distribution is at the internal face of shell (5), first dead lever (6) are worn to establish the inboard in carriage (7), and first dead lever (6) and carriage (7) sliding connection, are located the left and right sides fixedly connected with mount (12) between first dead lever (6), the bottom and shell (5) fixed connection of mount (12), the outside of first dead lever (6) is provided with first spring (11), the both ends of first spring (11) respectively with carriage (7) and mount (12) fixed connection.

3. The automobile brake performance detection test bed according to claim 2, characterized in that: the inboard sliding connection of mount (12) has slide bar (14), symmetry sets up around slide bar (14) is, the bottom fixedly connected with second spring (13) of slide bar (14), the bottom and shell (5) fixed connection of second spring (13), be located the place ahead and rear rotate between slide bar (14) and be connected with roller (15), roller (15) set up the inboard in belt (10), and the interior terminal surface sliding connection of roller (15) and belt (10).

4. The automobile brake performance detection test bed according to claim 1, characterized in that: the left end and the equal fixedly connected with baffle (18) of right-hand member and second dead lever (16) of shell (5), baffle (18) and second dead lever (16) are setting from top to bottom, and baffle (18) are the same with the length of second dead lever (16), the spout has been seted up to the top terminal surface inboard of test bench seat (1), shell (5) set up in the spout, and the length numerical value of spout is single the length numerical value sum of baffle (18) length numerical value and shell (5).

5. The automobile brake performance detection test bed according to claim 4, characterized in that: the outer end face sliding connection of second dead lever (16) has backup pad (19), the top and the bottom of backup pad (19) respectively with baffle (18) and test bench seat (1) sliding connection, the outside of second dead lever (16) is provided with third spring (20), the both ends and shell (5) and backup pad (19) fixed connection of third spring (20), the outer end face fixed connection of second dead lever (16) has stopper (17), stopper (17) and test bench seat (1) sliding connection.