CN210571403U

CN210571403U - Automobile braking performance detection device convenient for detecting temperature of tire

Info

Publication number: CN210571403U
Application number: CN201921899101.1U
Authority: CN
Inventors: 梁孝武
Original assignee: Cartesy Diagnosis Technology Co ltd
Current assignee: Cartesy Diagnosis Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-19
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to the technical field of automobile detection, in particular to an automobile brake performance detection device convenient for detecting the temperature of a tire, which comprises a machine body and a driving motor, wherein the inner side of the machine body is fixedly connected with the driving motor, the tail end of a main shaft of the driving motor is fixedly connected with a speed reducer, the upper side of the speed reducer is fixedly connected with a measuring device, the inner side of the speed reducer is provided with a roller device, the outer side of the roller device is provided with a temperature measuring device, and the rear side of the roller device is provided with a moving device; the utility model discloses in, through the temperature-detecting device and the mobile device that set up, not only can measure the braking force size of vehicle, can also carry out real-time detection to the tire temperature, acquire the temperature data of tire in braking process, still can adjust the distance between the cylinder at any time as required to be applicable to the detection of multiple wheel base vehicle.

Description

Automobile braking performance detection device convenient for detecting temperature of tire

Technical Field

The utility model relates to an automobile inspection technical field specifically is an automobile brake performance detection device convenient to detect tire temperature.

Background

The automobile braking performance refers to the ability of an automobile to forcibly decelerate to stop during running or keep a certain speed during downhill, in the braking process, the tangential reaction force of a road surface opposite to the running direction of the automobile to the wheels is generated through the interaction of the braking wheels and the road surface, the tangential reaction force has a decisive influence on the braking performance of the automobile, the evaluation indexes of the braking performance are braking deceleration, braking time and braking distance, the roller reaction type braking test bed mainly comprises a frame, a driving device, a roller device, a measuring device and the like, the roller reaction type braking test bed is widely used by various automobile detection stations due to the advantages of fixed test conditions, good repeatability, simple structure and the like, the temperature of automobile tires can rise during braking, if the temperature of the automobile tires is higher, the stability of the automobile braking can be influenced, and the detection of the temperature of the automobile tires is also an indispensable work, a device for detecting the braking performance of an automobile, which is convenient for detecting the temperature of a tire, is improved on the basis of a roller reaction type braking test bed, so that the device not only meets the braking performance detection function of daily automobiles, but also is convenient for measuring the temperature of the tire in the braking process.

At present, the cylinder device of the cylinder reaction formula braking test bench that all kinds of detection stations adopted is mostly fixed arrangement, can only measure the vehicle of wheel base in certain extent, and the vehicle type that can measure is comparatively single, and is in the rolling state because of the wheel in the measurement process, so to the measurement of tire temperature comparatively difficult, can't accomplish to carry out real-time detection to tire temperature, consequently, provides a car braking performance detection device convenient to detect tire temperature to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car braking performance detection device convenient to detect tire temperature to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides an automobile brake performance detection device convenient to detect tire temperature, includes organism and driving motor, inboard and the driving motor fixed connection of organism, the terminal fixedly connected with decelerator of driving motor main shaft, decelerator upside fixedly connected with measuring device, the decelerator inboard is equipped with the cylinder device outside is equipped with temperature measuring device, cylinder device rear side is equipped with the mobile device.

Preferably, reduction gear includes speed reducer shell and first pivot, speed reducer shell rear end is rotated with the organism and is connected, the inside first pivot that is equipped with of reduction gear, first pivot one end and driving motor's the terminal fixed connection of main shaft, first pivot outside both ends are rotated with the speed reducer shell and are connected, first pivot outside middle part fixedly connected with first gear, the meshing of first gear downside has the second gear, the inboard fixedly connected with jackshaft of second gear, both ends all are rotated with the speed reducer shell and are connected about the jackshaft, second gear one side is equipped with the third gear, the inboard and jackshaft fixed connection of third gear, the meshing of third gear downside has the fourth gear, the inboard fixedly connected with drive shaft of fourth gear, the drive shaft outside is all rotated with speed reducer shell and organism and is connected.

Preferably, measuring device includes dowel steel and pressure sensor, dowel steel rear end and speed reducer shell fixed connection, the dowel steel other end and pressure sensor fixed connection, pressure sensor lower extreme fixedly connected with signal converter, signal converter rear end and organism fixed connection.

Preferably, the roller device comprises a driving roller, a driven roller and a third roller, the inner side of the driving roller is connected with a driving shaft in a sliding mode, the left end and the right end of the driven roller are connected with the machine body in a rotating mode, a fifth gear is fixedly connected to the outer side of the driving roller, a transmission chain is meshed to the outer side of the fifth gear, a sixth gear is meshed to the inner side of the other end of the transmission chain, the inner side of the sixth gear is fixedly connected with the driven roller, the third roller is arranged between the driving roller and the driven roller, a second rotating shaft is rotatably connected to the inner side of the third roller, the left end and the right end of the second rotating shaft are connected with the machine body in a sliding mode, a half bearing block is rotatably connected to the lower side of the second rotating shaft, the outer side of the half bearing block is connected with the machine.

Preferably, the temperature measuring device comprises a sleeve, a connecting rod and a contact lever, the inner side of the sleeve is rotatably connected with the second rotating shaft, the outer side of the sleeve is fixedly connected with the connecting rod, the rear side of the connecting rod is rotatably connected with the machine body, the other end of the connecting rod is fixedly connected with the contact lever, and the outer side of the contact lever is fixedly connected with a temperature sensor.

Preferably, the mobile device includes second motor and threaded rod, second motor rear end and organism fixed connection, second motor spindle end and threaded rod fixed connection, initiative cylinder and driven cylinder downside all are equipped with the threaded rod, threaded rod outside both ends are rotated with the organism and are connected, threaded rod outside middle part is equipped with the slider, the slider rotates with the threaded rod to be connected, threaded rod outside processing has the screw thread, and the screw thread opposite direction of half part processing on the left side of threaded rod and half part processing on the right side.

Preferably, the number of the driving motors is 2, and the driving motors are symmetrically distributed on the left side and the right side inside the machine body.

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

1. in the utility model, through the arranged temperature detection device, when the vehicle is detected, the wheel is arranged above the third roller, the third roller is pressed down to drive the second rotating shaft to move downwards, so that the connecting rod rotates to enable the contact rod to be contacted with the tire, and the temperature sensor fixed on the contact rod can be contacted with the tire to detect the temperature of the tire;

2. the utility model discloses in, through the mobile device that sets up, the threaded rod outside is rotated and is connected with the slider, is equipped with initiative cylinder and driven cylinder between two sliders, and when the second motor operation, the threaded rod drives the slider motion to can make the cylinder move to the outside or to the inboard simultaneously, make the distance between the cylinder adjust at any time as required, thereby the vehicle that is applicable to more wheel distances detects.

Drawings

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

fig. 2 is a bottom view of the overall structure of the present invention;

fig. 3 is a schematic view of an installation structure of a third roller of the present invention;

FIG. 4 is a schematic structural view of the temperature measuring device of the present invention;

fig. 5 is a schematic structural view of the reduction gear of the present invention.

In the figure: 1-machine body, 2-driving motor, 3-speed reducing device, 301-speed reducer shell, 302-first rotating shaft, 303-first gear, 304-second gear, 305-middle shaft, 306-third gear, 307-fourth gear, 308-driving shaft, 4-measuring device, 401-force transmission rod, 402-pressure sensor, 403-signal converter, 5-roller device, 501-driving roller, 502-driven roller, 503-third roller, 504-fifth gear, 505-transmission chain, 506-sixth gear, 507-second rotating shaft, 508-half bearing block, 509-spring, 6-temperature measuring device, 601-sleeve, 602-connecting rod, 603-contact rod, 604-temperature sensor, 7-moving device, 701-second motor, 702-threaded rod, 703-sliding block.

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. 1-5, the present invention provides a technical solution:

the utility model provides an automobile brake performance detection device convenient to detect tire temperature, includes organism 1 and driving

motor

2, 1 inboard and 2 fixed connection of driving motor of organism, the terminal fixedly connected with decelerator 3 of 2 main shafts of driving motor, 3 upside fixedly connected with measuring device 4 of decelerator, 3 inboards of decelerator are equipped with cylinder device 5 the 5 outsides of cylinder device are equipped with temperature measuring device 6, 5 rear sides of cylinder device are equipped with mobile device 7.

The speed reducer 3 comprises a speed reducer shell 301 and a first rotating shaft 302, the rear end of the speed reducer shell 301 is rotatably connected with the machine body 1, the first rotating shaft 302 is arranged inside the speed reducer 3, one end of the first rotating shaft 302 is fixedly connected with the tail end of a main shaft of the driving motor 2, two ends of the outer side of the first rotating shaft 302 are rotatably connected with the speed reducer shell 301, the middle part of the outer side of the first rotating shaft 302 is fixedly connected with a first gear 303, a second gear 304 is meshed with the lower side of the first gear 303, an intermediate shaft 305 is fixedly connected with the inner side of the second gear 304, the left end and the right end of the intermediate shaft 305 are both rotatably connected with the speed reducer shell 301, a third gear 306 is arranged on one side of the second gear 304, the inner side of the third gear 306 is fixedly connected with the intermediate shaft 305, a fourth gear 307 is meshed with the lower side of the, the outer side of the driving shaft 308 is rotatably connected with the reducer casing 301 and the machine body 1, the speed reducer 3 mainly plays a role in reducing speed and increasing torque, the measuring device 4 comprises a transmission rod 401 and a pressure sensor 402, the lower end of the transmission rod 401 is fixedly connected with the reducer casing 301, the other end of the transmission rod 401 is fixedly connected with the pressure sensor 402, the rear end of the pressure sensor 402 is fixedly connected with a signal converter 403, the rear end of the signal converter 403 is fixedly connected with the machine body 1, the measuring device 4 can measure the braking force of the wheel, the roller device 5 comprises a driving roller 501, a driven roller 502 and a third roller 503, the inner side of the driving roller 501 is slidably connected with the driving shaft 308, the left end and the right end of the driven roller 502 are rotatably connected with the machine body 1, the outer side of the driving roller 501 is fixedly connected with a fifth gear 504, and the outer side of the fifth gear 504 is engaged, a sixth gear 506 is engaged with the inner side of the other end of the transmission chain 505, the inner side of the sixth gear 506 is fixedly connected with the driven roller 502, a third roller 503 is arranged between the driving roller 501 and the driven roller 502, the inner side of the third roller 503 is rotatably connected with a second rotating shaft 507, the left end and the right end of the second rotating shaft 507 are both in sliding connection with the machine body 1, the lower side of the second rotating shaft 507 is rotatably connected with a half bearing block 508, the outer side of the half bearing block 508 is in sliding connection with the machine body 1, the lower end of the half bearing block 508 is fixedly connected with a spring 509, the other end of the spring 509 is fixedly connected with the machine body 1, wheels are arranged between the driving roller 501 and the driven roller 502, the driven roller 502 is driven to rotate through the rotation of the driving roller 501, the wheels are rotated to simulate the driving state of a vehicle, the temperature measuring device 6 comprises a sleeve 601, a connecting rod, the outer side of the sleeve 601 is fixedly connected with a connecting rod 602, the rear side of the connecting rod 602 is rotatably connected with the machine body 1, the other end of the connecting rod 602 is fixedly connected with a contact rod 603, the outer side of the contact rod 603 is fixedly connected with a temperature sensor 604, the temperature detection device can detect the temperature of a braking tire, so as to monitor the temperature of the tire in the braking process in real time, the moving device 7 comprises a second motor 701 and a threaded rod 702, the rear end of the second motor 701 is fixedly connected with the machine body 1, the tail end of a main shaft of the second motor 701 is fixedly connected with the threaded rod 702, the threaded rods 702 are arranged on the lower sides of the driving roller 501 and the driven roller 502, the two outer ends of the threaded rod 702 are rotatably connected with the machine body 1, a sliding block 703 is arranged in the middle of the outer side of the threaded rod 702, the, and the left half and the right half of the threaded rod 702 are processed in opposite thread directions, the distance between the driving roller 501 and the driven roller 502 can be adjusted by the arrangement, so that the device can be suitable for detecting the braking performance of vehicles with various wheel pitches, the number of the driving motors 2 is 2, the driving motors 2 are symmetrically distributed on the left side and the right side inside the machine body 1, and the arrangement is favorable for detecting the braking force of each braking wheel.

The model of the driving motor 2 is YL-5KW, the model of the pressure sensor 402 is CYYZ11, the model of the signal converter 403 is HL-902C, the model of the temperature sensor 604 is PT100B, and the model of the second motor 701 is YL-2.5 KW.

The working process is as follows: before the electric appliances are used, the power supply is switched on to enable the second motor 701 to operate, the second motor 701 drives the threaded rod 702 to rotate, threads in opposite directions are machined on the outer side of the threaded rod 702, the threaded rod 702 rotates to drive the sliding block 703 to slide, so that the rollers on two sides move outwards or inwards at the same time, after the distance between the rollers is adjusted according to the wheel distance of a detected vehicle, the vehicle is driven until wheels are arranged between the driving roller 501 and the driven roller 502, the third roller 503 is pressed down, the third roller 503 drives the second rotating shaft 507 to downwards press the spring 509, the second rotating shaft 507 drives the sleeve 601, the sleeve 601 drives the connecting rod 602 to rotate outwards around the rotating center, the contact rod 603 is contacted with the tire, the temperature sensor 604 is contacted with the tire, the power supply of the driving motor 2 is switched on, and the driving motor 2 operates to drive the first rotating shaft 302 to rotate, the rotation of the first rotating shaft 302 drives the rotation of the first gear 303, the rotation of the first gear 303 drives the rotation of the second gear 304, the rotation of the second gear 304 drives the rotation of the intermediate shaft 305, the rotation of the intermediate shaft 305 drives the rotation of the third gear 306, the rotation of the third gear 306 drives the rotation of the fourth gear 307, the rotation of the fourth gear 307 drives the rotation of the driving shaft 308, the rotation of the reduction gear 3 drives the large gear to drive, so as to reduce the speed and increase the moment, the rotation of the driving shaft 308 drives the rotation of the driving roller 501, the rotation of the driving roller 501 drives the rotation of the fifth gear 504, the rotation of the fifth gear 504 drives the rotation of the transmission chain 505, the rotation of the transmission chain 505 drives the rotation of the sixth gear 506, the rotation of the driven roller 502 is driven by the rotation of the sixth gear 506, the rotation of the driving roller 501 and the rotation of the driven roller 502 drive, the tires slide on the driving roller 501 and the driven roller 502, friction force opposite to the rotation direction of the wheels can be generated, meanwhile, under the action of friction force of the tires on the surface tangent direction of the driving roller 501, the reducer shell 301 swings around the driving shaft 308 towards the direction opposite to the rotation direction of the driving roller 501, the swinging of the reducer 301 drives the force transmission rod 401 to swing, the force transmission rod 401 presses the pressure sensor 402 downwards, the pressure sensor 402 detects a pressure signal and transmits the signal to the signal converter 403, the signal converter 403 converts the pressure signal into an electric signal and outputs the electric signal to a measuring person, the braking force of the wheels is measured, and the temperature sensor 604 can measure the temperature of the tires in the rotation process and transmits the temperature signal to the measuring person.

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 device convenient to detect tire temperature, includes organism (1) and driving motor (2), its characterized in that: organism (1) inboard and driving motor (2) fixed connection, driving motor (2) main shaft end fixedly connected with decelerator (3), decelerator (3) upside fixedly connected with measuring device (4), decelerator (3) inboard is equipped with cylinder device (5), cylinder device (5) are including initiative cylinder (501), driven cylinder (502) and third cylinder (503), the cylinder device (5) outside is equipped with temperature measuring device (6), cylinder device (5) rear side is equipped with mobile device (7).

2. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: reduction gear (3) includes speed reducer shell (301) and first pivot (302), speed reducer shell (301) rear end is rotated with organism (1) and is connected, inside first pivot (302) that is equipped with of reduction gear (3), the terminal fixed connection of main shaft of first pivot (302) one end and driving motor (2), first pivot (302) outside both ends are rotated with speed reducer shell (301) and are connected, first pivot (302) outside middle part fixedly connected with first gear (303), first gear (303) downside meshing has second gear (304), the inboard fixedly connected with jackshaft (305) of second gear (304), both ends all rotate with speed reducer shell (301) about jackshaft (305), second gear (304) one side is equipped with third gear (306), third gear (306) inboard and jackshaft (305) fixed connection, a fourth gear (307) is meshed with the lower side of the third gear (306), a driving shaft (308) is fixedly connected to the inner side of the fourth gear (307), and the outer side of the driving shaft (308) is rotatably connected with the speed reducer shell (301) and the machine body (1).

3. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: measuring device (4) include dowel steel (401) and pressure sensor (402), dowel steel (401) lower extreme and speed reducer shell (301) fixed connection, dowel steel (401) other end and pressure sensor (402) fixed connection, pressure sensor (402) rear end fixed connection has signal converter (403), signal converter (403) rear end and organism (1) fixed connection.

4. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: the inner side of the driving roller (501) is connected with the driving shaft (308) in a sliding manner, the left end and the right end of the driven roller (502) are connected with the machine body (1) in a rotating manner, the outer side of the driving roller (501) is fixedly connected with a fifth gear (504), the outer side of the fifth gear (504) is engaged with a transmission chain (505), the inner side of the other end of the transmission chain (505) is engaged with a sixth gear (506), the inner side of the sixth gear (506) is fixedly connected with the driven roller (502), a third roller (503) is arranged between the driving roller (501) and the driven roller (502), the inner side of the third roller (503) is connected with a second rotating shaft (507) in a rotating manner, the left end and the right end of the second rotating shaft (507) are connected with the machine body (1) in a sliding manner, a half bearing block (508) is rotatably connected to the lower side of the second rotating shaft (507), half bearing piece (508) lower extreme fixedly connected with spring (509), spring (509) other end and organism (1) fixed connection.

5. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: temperature measuring device (6) include sleeve (601), connecting rod (602) and contact arm (603), sleeve (601) inboard is rotated with second pivot (507) and is connected, sleeve (601) outside and connecting rod (602) fixed connection, connecting rod (602) rear side is rotated with organism (1) and is connected, connecting rod (602) other end and contact arm (603) fixed connection, contact arm (603) outside fixedly connected with temperature sensor (604).

6. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: mobile device (7) include second motor (701) and threaded rod (702), second motor (701) rear end and organism (1) fixed connection, second motor (701) main shaft end and threaded rod (702) fixed connection, initiative cylinder (501) and driven cylinder (502) downside all are equipped with threaded rod (702), threaded rod (702) outside both ends are rotated with organism (1) and are connected, threaded rod (702) outside middle part is equipped with slider (703), slider (703) are rotated with threaded rod (702) and are connected, threaded rod (702) outside processing has the screw thread, and threaded rod (702) left half part and the screw thread opposite direction of half part processing on the right side.

7. The apparatus for detecting braking performance of an automobile for detecting temperature of a tire as claimed in claim 1, wherein: the number of the driving motors (2) is 2, and the driving motors (2) are symmetrically distributed on the left side and the right side inside the machine body (1).