CN214373375U

CN214373375U - Tire pressure resistance testing device

Info

Publication number: CN214373375U
Application number: CN202120018543.1U
Authority: CN
Inventors: 易锦华
Original assignee: Foshan Hengyi Medical Instrument Fitting Co ltd
Current assignee: Foshan Hengyi Medical Instrument Fitting Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-10-08
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a tire pressure resistance testing device, the on-line screen storage device comprises a base, all install the support column through the bolt all around of base top outer wall, and the top of support column pass through the bolt install with base looks vertically roof, the hydro-cylinder is installed through the bolt in the axle center department of roof top outer wall, and the both sides of roof bottom outer wall all weld the stand, the elevator is installed through the bolt to the output of hydro-cylinder, and the axle center department of elevator bottom outer wall installs the roller seat through the spliced pole, there is the compression roller inside the roller seat through pivot swing joint. The utility model discloses the runner passes through the screw rod and drives splint through the slider and draw close for splint can carry out the fixed test to different width tires, can carry out withstand voltage test to the tire under the tire normal operating condition, and the load performance when being used for simulating vehicle tire and going on the road obtains the experimental data of tire withstand voltage test, novel structure, reasonable in design, and the practicality is strong.

Description

Tire pressure resistance testing device

Technical Field

The utility model relates to a tire test technical field especially relates to a tire pressure resistance test device.

Background

The tire is a circular ring elastic rubber product which is assembled on various vehicles or machines and rolls in a grounding way, is usually arranged on a metal rim, can support a vehicle body, buffer external impact, realize contact with a road surface and ensure the running performance of the vehicle, is often used under complicated and severe conditions, bears various deformation, load, force and high and low temperature effects during running, and therefore has higher bearing performance, traction performance and buffering performance.

In the engineering vehicle industry, most manufacturers use a special tire test bed to test the dynamic performance of a tire, but in the existing tire test bed, the tire is subjected to stress analysis in a static state, and the test result is not accurate and cannot simulate the pressure-resistant working condition of the tire under the condition of bearing high load in the movement process. Therefore, it is desirable to design a tire pressure withstanding testing apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having among the prior art current tire test bench, the tire all adopts the atress analysis under the quiescent condition, and such test result is inaccurate, can not simulate the tire and bear the shortcoming of the withstand voltage operating mode under the high load condition in the motion process, and the withstand voltage testing arrangement of a tire that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tire pressure resistance testing device comprises a base, wherein support columns are installed on the periphery of the outer wall of the top of the base through bolts, a top plate perpendicular to the base is installed at the top ends of the support columns through bolts, an oil cylinder is installed at the axis of the outer wall of the top plate through bolts, stand columns are welded on two sides of the outer wall of the bottom of the top plate, a lifting block is installed at the output end of the oil cylinder through bolts, a roller seat is installed at the axis of the outer wall of the bottom of the lifting block through a connecting column, a compression roller is movably connected inside the roller seat through a rotating shaft, a pressure sensor is installed at the bottom end of the connecting column, connected with the roller seat, of the lifting block, a limiting block is welded in the center of the outer wall of two sides of the lifting block, a limiting groove is formed in the center of the stand column, a polished rod is welded in the axis of the limiting groove, and the limiting block is in sliding connection with the polished rod, and springs sleeved outside the polished rod are welded on the outer walls of the top and the bottom of the limiting block.

Further, the spout has been seted up in the center department of base top outer wall, and the inside of spout has the screw rod through bearing swing joint, the equal threaded connection in both ends that the screw rod is located the inside lateral wall of spout has the slider of sliding connection in the spout inside, and the center department of base one side outer wall has the runner that is the transmission and is connected with the screw rod through bearing swing joint.

Furthermore, the welding has splint on the top outer wall of slider, and the bottom of splint passes through the effect sliding connection of slider and screw rod on the top outer wall of base.

Furthermore, the top of the center of the outer wall at one side adjacent to the clamping plate is movably connected with a rotating shaft seat through a bearing, and the top of the outer wall at the other side of the rotating shaft seat, far away from the clamping plate, is provided with a servo motor in transmission connection with the rotating shaft seat through a bolt.

Furthermore, the top and the bottom outer wall of the rotating shaft seat are both in threaded connection with a lead screw, one end of the lead screw, which is located inside the rotating shaft seat, is movably connected with the clamping seat through a bearing, and the other end, away from the clamping seat, of the lead screw is welded with a hand wheel.

Furthermore, an anti-skid rubber mat is bonded on the outer wall of the bottom of the base.

The utility model has the advantages that:

1. the utility model discloses can carry out the high-pressure test to the tire under the tire normal operating condition for load performance when simulating vehicle tire and going on the road obtains the experimental data of tire high-pressure test, novel structure, reasonable in design, and the practicality is strong.

2. Through the arranged oil cylinder, the oil cylinder pushes the roller seat and the compression roller to be attached to the tire through the lifting block to perform pressure resistance test, and the limiting block is connected to the inside of the limiting groove in a sliding mode, so that the lifting block is more stable and firm in the lifting process.

3. Through the splint that set up, the runner passes through the screw rod and drives splint through the slider and draw close for splint can carry out the fixed test to different width tires, convenient operation, and is rational in infrastructure, is fit for promoting.

4. Through the pivot seat that sets up, the hand wheel promotes the holder through the lead screw and carries out the centre gripping fixedly to the pivot of tire, and then servo motor drives the tire through the pivot seat and rotates, and the simulation that the emulation tire rotated the travel has guaranteed the stability of tire rotation in-process.

Drawings

Fig. 1 is a schematic structural view of a tire pressure resistance testing device provided by the present invention;

fig. 2 is a schematic structural view of a column of the tire pressure resistance testing device provided by the present invention;

fig. 3 is a schematic view of a partial structure of a tire pressure resistance testing device provided by the present invention;

fig. 4 is a schematic structural view of a clamping plate of the tire pressure resistance testing device provided by the present invention;

fig. 5 is a schematic view of a rotating shaft seat structure of the tire pressure resistance testing device provided by the utility model.

In the figure: the device comprises a base 1, a support column 2, a top plate 3, an oil cylinder 4, a vertical column 5, a roller seat 6, a compression roller 7, a lifting block 8, a limit groove 9, a polish rod 10, a limit block 11, a spring 12, a pressure sensor 13, a rotating wheel 14, a sliding groove 15, a screw rod 16, a sliding block 17, a clamping plate 18, a servo motor 19, a rotating shaft seat 20, a hand wheel 21, a lead screw 22 and a clamping seat 23.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a tire pressure resistance testing device comprises a base 1, wherein supporting columns 2 are installed on the periphery of the outer wall of the top of the base 1 through bolts, a top plate 3 perpendicular to the base 1 is installed on the top ends of the supporting columns 2 through bolts, an oil cylinder 4 is installed on the axis of the outer wall of the top plate 3 through bolts, the type of the oil cylinder 4 is HOB40, stand columns 5 are welded on two sides of the outer wall of the bottom of the top plate 3, a lifting block 8 is installed on the output end of the oil cylinder 4 through bolts, a roller seat 6 is installed on the axis of the outer wall of the bottom of the lifting block 8 through a connecting column, a compression roller 7 is movably connected inside the roller seat 6 through a rotating shaft, a pressure sensor 13 is installed on the bottom end of the connecting column, which is connected with the roller seat 6, limiting blocks 11 are welded on the centers of the outer walls of two sides of the lifting block 8, and a limiting groove 9 is formed in the center of the stand column 5, the welding of axle center department of spacing groove 9 has polished rod 10, and is sliding connection between stopper 11 and polished rod 10, all welds on the outer wall of stopper 11 top and bottom and has cup jointed at the outside spring 12 of polished rod 10, and hydro-cylinder 4 promotes roller seat 6 and compression roller 7 through elevator 8 and laminates with the tire and carries out withstand voltage test, the utility model discloses can carry out withstand voltage test to the tire under the tire normal operating condition for load performance when simulating vehicle tire and driving on the road obtains the test data of tire withstand voltage test.

Further, base 1 top outer wall's center department has seted up spout 15, and spout 15's inside has screw rod 16 through bearing swing joint, screw rod 16 is located the equal threaded connection in both ends of the inside lateral wall of spout 15 and has slider 17 inside spout 15, and the center department of base 1 one side outer wall has runner 14 that is transmission connection with screw rod 16 through bearing swing joint, runner 14 drives splint 18 through slider 17 through screw rod 16 and draws close, make splint 18 can carry out the fixed test to different width tires.

Further, a clamping plate 18 is welded on the outer wall of the top of the sliding block 17, and the bottom of the clamping plate 18 is slidably connected on the outer wall of the top of the base 1 through the action of the sliding block 17 and the screw 16.

Furthermore, the top of the center of the outer wall of one side adjacent to the clamping plate 18 is movably connected with a rotating shaft seat 20 through a bearing, the top of the outer wall of the other side, away from the rotating shaft seat 20, of the clamping plate 18 is provided with a servo motor 19 in transmission connection with the rotating shaft seat 20 through bolts, the model of the servo motor 19 is 60ST-M01930, the servo motor 19 drives the tire to rotate through the rotating shaft seat 20, the tire rotation driving simulation is simulated, and the stability of the tire in the rotating process is guaranteed.

Further, the top and the bottom outer wall of the rotating shaft seat 20 are both in threaded connection with a lead screw 22, one end of the lead screw 22, which is located inside the rotating shaft seat 20, is movably connected with a clamping seat 23 through a bearing, the other end of the lead screw 22, which is far away from the clamping seat 23, is welded with a hand wheel 21, and the hand wheel 21 pushes the clamping seat 23 through the lead screw 22 to clamp and fix the rotating shaft of the tire, so that the tire is more stable and firm when rotating.

Furthermore, the outer wall of the bottom of the base 1 is bonded with an anti-slip rubber mat, and the anti-slip rubber mat enables the base 1 to be more stable and firm after being installed.

The working principle is as follows: when the tire pressure resistance testing device is used, an operator firstly fixes the tire inserted with the rotating shaft, firstly rotates the rotating wheel 14, the rotating wheel 14 drives the clamping plate 18 to be closed through the screw rod 16 and the sliding block 17, so that the clamping plate 18 can carry out fixed testing on the tires with different widths, then the hand wheel 21 is rotated, the hand wheel 21 pushes the clamping seat 23 to clamp and fix the rotating shaft of the tire through the screw rod 22, then the servo motor 19 drives the tyre to rotate through the rotating shaft seat 20, simulates the simulation of tyre rotation driving, ensures the stability of the tyre in the rotating process, and finally, hydro-cylinder 4 promotes roller seat 6 and compression roller 7 through elevator 8 and laminates with the tire and carries out the withstand voltage test, the utility model discloses can carry out withstand voltage test to the tire under the tire normal operating condition for load performance when simulating vehicle tire and going on the road obtains the test data of tire withstand voltage test.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The tire pressure resistance testing device comprises a base (1) and is characterized in that supporting columns (2) are mounted on the periphery of the outer wall of the top of the base (1) through bolts, a top plate (3) perpendicular to the base (1) is mounted on the top end of the supporting columns (2) through bolts, oil cylinders (4) are mounted at the axle centers of the outer wall of the top plate (3) through bolts, stand columns (5) are welded on the two sides of the outer wall of the bottom of the top plate (3), lifting blocks (8) are mounted at the output ends of the oil cylinders (4) through bolts, roller bases (6) are mounted at the axle centers of the outer wall of the bottom of the lifting blocks (8) through connecting columns, compression rollers (7) are movably connected inside the roller bases (6) through rotating shafts, and pressure sensors (13) are mounted at the bottoms of the connecting columns, connected with the roller bases (6), through the lifting blocks (8), stopper (11) all weld in the center department of lifter (8) both sides outer wall, and the center department of stand (5) has seted up spacing groove (9), the axle center department welding of spacing groove (9) has polished rod (10), and is sliding connection between stopper (11) and polished rod (10), all weld on the outer wall of stopper (11) top and bottom have cup jointed outside spring (12) in polished rod (10).

2. The tire pressure resistance testing device according to claim 1, wherein a sliding groove (15) is formed in the center of the outer wall of the top of the base (1), a screw (16) is movably connected to the inside of the sliding groove (15) through a bearing, two ends of the screw (16) located on the outer side wall of the inside of the sliding groove (15) are both in threaded connection with a sliding block (17) slidably connected to the inside of the sliding groove (15), and a rotating wheel (14) in transmission connection with the screw (16) is movably connected to the center of the outer wall of one side of the base (1) through a bearing.

3. The tire pressure resistance testing device of claim 2, wherein a clamping plate (18) is welded on the outer wall of the top of the sliding block (17), and the bottom of the clamping plate (18) is slidably connected on the outer wall of the top of the base (1) through the action of the sliding block (17) and the screw (16).

4. The tire pressure resistance testing device of claim 3, wherein the top of the outer wall of the clamping plate (18) adjacent to one side is movably connected with a rotating shaft seat (20) through a bearing, and the top of the outer wall of the clamping plate (18) far away from the rotating shaft seat (20) at the other side is provided with a servo motor (19) in transmission connection with the rotating shaft seat (20) through a bolt.

5. The tire pressure resistance testing device of claim 4, wherein the outer walls of the top and the bottom of the rotating shaft seat (20) are respectively in threaded connection with a lead screw (22), one end of the lead screw (22) located inside the rotating shaft seat (20) is movably connected with a clamping seat (23) through a bearing, and the other end of the lead screw (22) away from the clamping seat (23) is welded with a hand wheel (21).

6. The tire pressure resistance testing device of claim 1, wherein the outer wall of the bottom of the base (1) is adhered with an anti-slip rubber mat.