Abrasion resistance testing machine for tread part of automobile tire

Abstract

The utility model relates to the technical field of automobile tire tread wear resistance testing, and discloses an automobile tire tread wear resistance testing machine which comprises a base, a driving motor is arranged on one side of the top of the base, a hub is arranged at the output end of the driving motor, and a tire is sleeved on the surface of the hub. According to the automobile tire tread wear resistance testing machine, through the arrangement of the adjusting assembly, when a tire wear resistance test is carried out, after a tire is located in an angle grinding sheet, a worker can connect a driving motor to an external power supply at the moment, so that the driving motor drives a hub and the tire to rotate in the angle grinding sheet; a worker can observe friction traces on the surface of the tire to obtain wear resistance data, meanwhile, the threaded rod and the locking nut can be rotated to tighten the fixing plate, then the arc-shaped plate is driven to tighten the angle abrasive disc, and the friction force borne by the surface of the tire can be adjusted, so that the wear resistance value of the tire can be known more comprehensively, and the wear resistance experiment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile tire tread wear resistance test, in particular to an automobile tire tread wear resistance tester. Background Art

[0002] The automobile tire wear resistance tester is a device used for automobile tire wear resistance testing, which has been widely used in the field of tire testing; an existing automobile tire wear resistance tester is used to find that automobile tires are ground-contacting and rolling annular elastic rubber products assembled on automobiles, usually installed on metal rims, which can support the vehicle body, buffer external impacts, achieve contact with the road surface and ensure the driving performance of the vehicle.

[0003] An automobile tire wear resistance testing machine disclosed in announcement number CN218382216U, although its hub flange fixes the tire, the lifting mechanism controls the vertical plate to move downward, the vertical plate drives the motor, the shaft, the hub flange and the bearing to move downward, the hub flange drives the tire to move downward until the tire contacts the temperature and load detection mechanism, according to the degree to which the tire continues to move downward, the tire is subjected to different degrees of load, the motor is started, the motor controls the rotation of the shaft through the bearing, the shaft drives the hub flange to rotate, the hub flange drives the tire to rotate, the degree of downward movement of the tire is coordinated with the temperature and load detection mechanism, the hub flange is tested for tire wear resistance under different loads and temperatures, reducing the limitations of the detection and improving the detection efficiency.

[0004] However, this automobile tire wear resistance testing machine has the following disadvantages:

[0005] (1) When testing tire wear resistance, it is impossible to adjust the friction force of the tire according to the wear peak value of the tire, thereby reducing the efficiency of the tire wear test;

[0006] (2) During the tire wear test, as the friction increases, the tire will heat up and catch fire, and the lack of a fire extinguishing mechanism will lead to experimental safety accidents. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a car tire tread wear resistance testing machine which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem proposed in the above background technology that the friction force of the tire cannot be adjusted according to the wear resistance peak of the tire, and as the friction force increases, the tire heats up and catches fire, and there is a lack of a fire extinguishing mechanism.

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a car tire tread wear resistance testing machine, including a base, a driving motor is arranged on one side of the top of the base, a wheel hub is arranged at the output end of the driving motor, a tire is sleeved on the surface of the wheel hub, a fixing plate is fixedly connected to the middle part of the bottom of the base in an axially symmetrical manner, an adjustment component for testing the tire wear resistance is arranged on the surface of the fixing plate, a water tank is fixedly connected to the other side of the top of the base, and a fire extinguishing component for fire protection is arranged inside the water tank.

[0009] Optionally, the adjustment assembly includes a clamping plate arranged on the surface of the fixed plate, the clamping plate is movably connected inside the clamping plate, the top of the clamping plate is fixedly connected to a square plate, the surface of the square plate is fixedly connected to an arc plate, the surface of the arc plate is provided with an angle grinding plate adapted to the tire, the top of the square plate is fixedly connected to a fixed plate, the top of the fixed plate is provided with a threaded rod for adjusting tightness, and one end of the threaded rod is provided with a locking nut.

[0010] Optionally, the fire extinguishing assembly includes a water pump arranged inside a water tank, a suction pipe is arranged at the bottom of the water pump, a drainage pipe is connected to the side of the water pump, the surface of the drainage pipe is connected to an L-tube through the top of the water tank, and a nozzle for fire extinguishing is arranged at one end of the L-tube.

[0011] Optionally, a fixing bracket is provided on the surface of the driving motor, and one end of the fixing bracket is fixedly connected to the side surface of the base.

[0012] Optionally, an L-plate is fixedly connected to the bottom of the base, and a pad is provided at the bottom of one end of the L-plate.

[0013] Optionally, a threaded column for fixing is provided on the surface of the L-plate, and a conical disk is provided at the bottom end of the threaded column.

[0014] The utility model provides a wear resistance testing machine for automobile tire tread, which has the following beneficial effects:

[0015] 1. The automobile tire tread wear resistance tester can adjust the settings of the components. During the tire wear resistance test, when the tire is inside the angle grinding disc, the staff can connect the drive motor to the external power supply, so that the drive motor drives the wheel hub and the tire to rotate inside the angle grinding disc. The staff can observe the friction marks on the tire surface to obtain the wear resistance data, and at the same time, the threaded rod and the locking nut can be rotated to tighten the fixing plate, thereby driving the arc plate to tighten the angle grinding disc, so as to adjust the friction intensity on the tire surface, so as to have a more comprehensive understanding of the tire wear resistance value and increase the efficiency of the wear resistance experiment.

[0016] 2. The automobile tire tread wear resistance tester is provided with a fire extinguishing component. As the wear resistance test is carried out, when the surface friction of the tire generates high temperature and catches fire, the water pump can be connected to an external power supply, so that the water pump draws water from the water tank through the suction pipe, and transports it to the inside of the L pipe from the drainage pipe, and finally sprays it out from the nozzle. Since the nozzle is arranged above the tire through the L pipe, the tire can be cooled and the fire can be extinguished, thereby avoiding the tire from overheating and catching fire, thereby improving the safety protection of the tire wear resistance test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the fire extinguishing component of the utility model.

[0021] In the figure: 1. base; 2. drive motor; 3. wheel hub; 4. tire; 5. fixing plate; 6. adjustment assembly; 61. clamping plate; 62. clamping plate; 63. square plate; 64. curved plate; 65. angle grinding disc; 66. fixing plate; 67. threaded rod; 68. locking nut; 7. water tank; 8. fire extinguishing assembly; 81. water pump; 82. suction pipe; 83. drainage pipe; 84. nozzle; 85. L-tube; 9. fixing frame; 10. L-plate; 11. threaded column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a car tire tread wear resistance tester, comprising a base 1, a driving motor 2 is arranged on one side of the top of the base 1, a wheel hub 3 is arranged at the output end of the driving motor 2, a tire 4 is sleeved on the surface of the wheel hub 3, a fixing plate 5 is fixedly connected to the middle part of the bottom of the base 1 in an axially symmetrical manner, an adjusting component 6 for testing the wear resistance of the tire 4 is arranged on the surface of the fixing plate 5, a water tank 7 is fixedly connected to the other side of the top of the base 1, and a fire extinguishing component 8 for fire protection is arranged inside the water tank 7.

[0024] See also Figure 1 and Figure 2 A fixing bracket 9 is disposed on the surface of the driving motor 2 , and one end of the fixing bracket 9 is fixedly connected to the side surface of the base 1 .

[0025] The stability of the driving motor 2 is improved by disposing the fixing bracket 9 .

[0026] See also Figure 1 and Figure 2 An L-plate 10 is fixedly connected to the bottom of the base 1, a pad is provided at the bottom of one end of the L-plate 10, a threaded column 11 for fixing is provided on the surface of the L-plate 10, and a conical disk is provided at the bottom end of the threaded column 11.

[0027] By setting the threaded column 11 , the threaded column 11 can be rotated so that the conical disk fits with the bottom surface, thereby improving the stability of the base 1 .

[0028] Embodiment 1:

[0029] See also Figure 3 The adjusting assembly 6 includes a clamping plate 61 arranged on the surface of the fixing plate 5, a clamping plate 62 is movably connected inside the clamping plate 61, a square plate 63 is fixedly connected to the top of the clamping plate 62, an arc plate 64 is fixedly connected to the surface of the square plate 63, an angle grinding disc 65 adapted to the tire 4 is arranged on the surface of the arc plate 64, a fixing plate 66 is fixedly connected to the top of the square plate 63, a threaded rod 67 for adjusting the tightness is arranged on the top of the fixing plate 66, and a locking nut 68 is arranged at one end of the threaded rod 67. When the tire 4 is subjected to the wear test, when the tire 4 is subjected to the wear test, After being inside the angle grinding disc 65, the staff can connect the drive motor 2 to an external power supply, so that the drive motor 2 drives the wheel hub 3 and the tire 4 to rotate inside the angle grinding disc 65. The staff can observe the friction marks on the surface of the tire 4 to obtain the wear resistance data. At the same time, the threaded rod 67 and the locking nut 68 can be rotated to tighten the fixing plate 66, thereby driving the arc plate 64 to tighten the angle grinding disc 65, and the friction intensity on the surface of the tire 4 can be adjusted, so that the wear resistance value of the tire 4 can be more comprehensively understood, thereby increasing the efficiency of the wear resistance experiment.

[0030] Embodiment 2:

[0031] See also Figure 4The fire extinguishing assembly 8 includes a water pump 81 arranged inside the water tank 7, a water pumping pipe 82 is arranged at the bottom of the water pump 81, a drainage pipe 83 is connected to the side of the water pump 81, and the surface of the drainage pipe 83 passes through the top of the water tank 7 and is connected to an L-tube 85, and one end of the L-tube 85 is provided with a nozzle 84 for fire extinguishing. As the wear resistance test proceeds, when the surface friction of the tire 4 generates high temperature and catches fire, the water pump 81 can be connected to an external power supply, so that the water pump 81 draws water from the inside of the water tank 7 through the water pumping pipe 82, and transports it to the inside of the L-tube 85 from the drainage pipe 83, and finally sprays it out from the nozzle 84. Since the nozzle 84 is arranged above the tire 4 through the L-tube 85, the tire 4 can be cooled and the fire can be extinguished, thereby avoiding overheating of the tire 4 and catching fire, thereby improving the safety protection of the tire 4 wear resistance test.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: During the wear test of the tire 4, when the tire 4 is inside the angle grinding disc 65, the staff can connect the drive motor 2 to the external power supply, so that the drive motor 2 drives the wheel hub 3 and the tire 4 to rotate inside the angle grinding disc 65. The staff can observe the friction marks on the surface of the tire 4 to obtain the wear data, and at the same time, the threaded rod 67 and the locking nut 68 can be rotated to tighten the fixing plate 66, thereby driving the arc plate 64 to tighten the angle grinding disc 65, so as to adjust the friction force on the surface of the tire 4;

[0034] The second step: as the wear resistance test proceeds, when the surface friction of the tire 4 generates high temperature and catches fire, the water pump 81 can be connected to an external power source, so that the water pump 81 draws water from the water tank 7 through the suction pipe 82, and transports it to the inside of the L tube 85 from the drainage pipe 83, and finally sprays it out from the nozzle 84. Since the nozzle 84 is set above the tire 4 through the L tube 85, the tire 4 can be cooled and the fire can be extinguished.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle tire tread wear resistance testing machine, comprising a base (1), characterized in that: A driving motor (2) is arranged on one side of the top of the base (1), a wheel hub (3) is arranged at the output end of the driving motor (2), a tire (4) is sleeved on the surface of the wheel hub (3), a fixing plate (5) is fixedly connected to the middle of the bottom of the base (1) in an axisymmetric manner, an adjustment component (6) for testing the wear resistance of the tire (4) is arranged on the surface of the fixing plate (5), a water tank (7) is fixedly connected to the other side of the top of the base (1), and a fire extinguishing component (8) for fire protection is arranged inside the water tank (7).

2. The automobile tire tread wear resistance testing machine according to claim 1, characterized in that: The adjustment assembly (6) comprises a clamping plate (61) arranged on the surface of the fixing plate (5), the clamping plate (61) is movably connected to a clamping plate (62) inside, the top of the clamping plate (62) is fixedly connected to a square plate (63), the surface of the square plate (63) is fixedly connected to an arc plate (64), the surface of the arc plate (64) is provided with an angle grinding plate (65) adapted to the tire (4), the top of the square plate (63) is fixedly connected to a fixing plate (66), the top of the fixing plate (66) is provided with a threaded rod (67) for adjusting tightness, and one end of the threaded rod (67) is provided with a locking nut (68).

3. The automobile tire tread wear resistance testing machine according to claim 1, characterized in that: The fire extinguishing assembly (8) comprises a water pump (81) arranged inside the water tank (7), a water pump (82) being arranged at the bottom of the water pump (81), a drainage pipe (83) being connected through the side of the water pump (81), an L-tube (85) being connected through the surface of the drainage pipe (83) passing through the top of the water tank (7), and a nozzle (84) for fire extinguishing being arranged at one end of the L-tube (85).

4. The automobile tire tread wear resistance testing machine according to claim 1, characterized in that: A fixing frame (9) is provided on the surface of the driving motor (2), and one end of the fixing frame (9) is fixedly connected to the side surface of the base (1).

5. The automobile tire tread wear resistance testing machine according to claim 1, characterized in that: An L-plate (10) is fixedly connected to the bottom of the base (1), and a pad is provided at the bottom of one end of the L-plate (10).

6. The automobile tire tread wear resistance testing machine according to claim 5, characterized in that: The surface of the L-plate (10) is provided with a threaded column (11) for fixing, and the bottom end of the threaded column (11) is provided with a conical disk.

Images