Tire skid resistance testing device

Abstract

The utility model relates to the technical field of tire testing, and discloses a tire skid resistance testing device, which solves the problem that tires with different sizes are inconvenient to fix at present, and comprises a base, a fixing mechanism and an adjusting mechanism are arranged at the top of the base, and the fixing mechanism comprises a vertical plate fixed at the top of the base; two reinforcing rods are symmetrically and fixedly connected between the vertical plate and the base, a supporting seat is fixedly installed on the outer side of the vertical plate, a motor is fixedly installed on the supporting seat, a transmission shaft is fixedly connected to the motor, and the end, away from the motor, of the transmission shaft penetrates through the vertical plate and is fixedly connected with a side block; according to the tire fixing device, the first air cylinder is matched with the side disc and the movable rod, the sliding blocks can slide along the sliding rods conveniently, then the positions of the connecting holes in the mounting disc can be changed, tires of different sizes can be fixed conveniently, and the tires can be rotated conveniently through the cooperation of the motor, the transmission shaft, the side blocks and the U-shaped round rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of tire testing, in particular to a tire anti-skid property testing device. Background Art

[0002] Tires are ground-contacting and rolling annular elastic rubber products installed on various vehicles or machinery. They are usually installed on metal rims, can support the vehicle body, buffer external impacts, achieve contact with the road surface and ensure the driving performance of the vehicle. Tires are often used under complex and harsh conditions. They are subjected to various deformations, loads, forces and high and low temperature effects when driving, so they must have high load-bearing performance, traction performance and buffering performance. In the actual production process of tires, it is necessary to test the anti-skid performance of tires; according to the patent document entitled "A Tire Anti-skid Performance Testing Device" with the authorization announcement number of CN213715021U, it is convenient to test the anti-skid performance of tires of different specifications by providing an electric telescopic rod, and a lifting plate is fixedly installed on the electric telescopic rod to facilitate the adjustment of the contact pressure between the wear-resistant plate and the tire, so as to facilitate the testing of the anti-skid performance of the tire, and the wear-resistant plate is connected to the lifting plate through a slot, so as to facilitate the replacement of the wear-resistant plate and the replacement of wear-resistant materials of different materials, which is convenient for use; but there are still the following defects:

[0003] The tire is fixed on the connecting plate through the connecting holes, and since the positions of the connecting holes on the connecting plate remain fixed, it is inconvenient to fix tires of different sizes. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a tire anti-skid test device, which effectively solves the problem that it is inconvenient to fix tires of different sizes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tire anti-skid test device, comprising a base, the top of which is provided with a fixing mechanism and an adjusting mechanism;

[0006] The fixing mechanism includes a vertical plate fixed to the top of the base, two reinforcing rods are symmetrically fixedly connected between the vertical plate and the base, a support seat is fixedly installed on the outer side of the vertical plate, a motor is fixedly installed on the support seat, a transmission shaft is fixedly connected to the motor, an end of the transmission shaft away from the motor passes through the vertical plate and is fixedly connected to a side block, and the transmission shaft is rotatably connected to the vertical plate, a mounting plate is provided on the side of the side block away from the vertical plate, a U-shaped round rod is fixedly connected to the side of the mounting plate close to the vertical plate, the side block is fixedly sleeved on the outer middle part of the U-shaped round rod, a plurality of through grooves are provided on the mounting plate at equal angles, a sliding rod is fixedly connected in the through groove, a slider is movably sleeved on the outer side of the sliding rod, and a connecting hole is provided on the side of the slider away from the vertical plate.

[0007] Preferably, two limiting columns are symmetrically and fixedly connected to one side of the mounting disc close to the vertical plate, and ball bearings abutted against the vertical plate are mounted at the ends of the two limiting columns away from the mounting disc.

[0008] Preferably, a side disc is provided between the mounting disc and the side block. A first cylinder is fixedly installed between the side disc and the side block. A plurality of movable rods are rotatably connected to the side of the side disc away from the side block at equal angles. The ends of the movable rods away from the side disc are respectively rotatably connected to the respective sliders. Two side plates are symmetrically and fixedly connected to the outside of the side disc, and the two side plates are movably sleeved on the outside of the U-shaped round rod.

[0009] Preferably, the adjusting mechanism includes a lifting frame located between the base and the mounting disc. A wear-resistant plate is provided above the lifting frame. A second cylinder is fixedly installed between the lifting frame and the base. Two L-shaped round rods are symmetrically and fixedly connected between the side of the vertical plate away from the reinforcing rod and the base. The lifting frame is movably sleeved on the outside of the two L-shaped round rods.

[0010] Preferably, a third cylinder is fixedly installed inside the lifting frame. A sliding plate is fixedly installed on the third cylinder. Two sliding grooves are symmetrically provided inside the lifting frame, and the sliding plate is slidably connected to the two sliding grooves. A top plate is fixedly installed at the top of the sliding plate.

[0011] Preferably, a clamping groove is provided at the top of the top plate, and the wear-resistant plate is clamped in the clamping groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1) In the present utility model, through the cooperation between the first cylinder, the side disc and the movable rods, it is convenient for the slider to slide along the sliding rod, and then the position of the connection hole on the mounting disc can be changed, which is convenient for fixing tires of different sizes. Through the cooperation between the motor, the transmission shaft, the side block and the U-shaped round rod, the rotation of the tire is facilitated.

[0014] (2) In this new type, through the cooperation between the third cylinder, the sliding plate, the sliding grooves and the top plate, it is convenient for the wear-resistant plate to horizontally move to directly below the tire, and through the cooperation between the second cylinder, the lifting frame and the L-shaped round rods, it is convenient for the wear-resistant plate to rise to contact the tire, so as to facilitate observing the speed during the self-rotation of the tire for anti-slip performance testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.

[0016] In the drawings:

[0017] Figure 1 is a schematic structural diagram of the tire anti-slip performance testing device of the present utility model;

[0018] Figure 2 Schematic diagram of the fixing mechanism structure of the present utility model;

[0019] Figure 3 Schematic diagram of the connection structure between the mounting plate and the side block of the present utility model;

[0020] Figure 4 Schematic diagram of the side plate structure of the present utility model;

[0021] Figure 5 Schematic diagram of the adjusting mechanism structure of the present utility model;

[0022] Figure 6 Schematic diagram of the disassembled structure between the top plate and the wear-resistant plate of the present utility model.

[0023] In the figure: 1. Base; 2. Fixing mechanism; 201. Vertical plate; 202. Mounting plate; 203. Side block; 204. Transmission shaft; 205. Motor; 206. Support seat; 207. Reinforcing rod; 208. U-shaped round rod; 209. Ball; 2010. Side plate; 2011. Slide block; 2012. Side plate; 2013. Through groove; 2014. Limit post; 2015. Cylinder 1; 2016. Slide rod; 2017. Connection hole; 2018. Movable rod; 3. Adjusting mechanism; 301. Lifting frame; 302. L-shaped round rod; 303. Cylinder 2; 304. Top plate; 305. Slide groove; 306. Wear-resistant plate; 307. Cylinder 3; 308. Card slot; 309. Slide plate. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0025] Embodiment 1, given by Figure 1 The present utility model includes a base 1, and a fixing mechanism 2 and an adjusting mechanism 3 are provided on the top of the base 1.

[0026] Specifically, given by Figures 2 - 4Given that the fixing mechanism 2 includes a vertical plate 201 fixed to the top of the base 1. Two reinforcing rods 207 are symmetrically and fixedly connected between the vertical plate 201 and the base 1. A support seat 206 is fixedly installed on the outer side of the vertical plate 201. A motor 205 is fixedly installed on the support seat 206. A transmission shaft 204 is fixedly connected to the motor 205. The end of the transmission shaft 204 away from the motor 205 penetrates through the vertical plate 201 and is fixedly connected to a side block 203. And the transmission shaft 204 is rotatably connected to the vertical plate 201. On the side of the side block 203 away from the vertical plate 201, there is an installation disk 202. A U-shaped round rod 208 is fixedly connected to the side of the installation disk 202 close to the vertical plate 201. The side block 203 is fixedly sleeved on the middle part of the outer side of the U-shaped round rod 208. A plurality of through slots 2013 are equiangularly arranged on the installation disk 202. A slide rod 2016 is fixedly connected in the through slot 2013. A slider 2011 is movably sleeved on the outer side of the slide rod 2016. The side of the slider 2011 away from the vertical plate 201 is flush with the side of the installation disk 202 away from the vertical plate 201, which is convenient for fixing the processed tire on the installation disk 202. A connecting hole 2017 is provided on the side of the slider 2011 away from the vertical plate 201. Two limiting columns 2014 are symmetrically and fixedly connected to the side of the installation disk 202 close to the vertical plate 201. Ball bearings 209 abutted against the vertical plate 201 are installed at the ends of the two limiting columns 2014 away from the installation disk 202. When the installation disk 202 rotates, it drives the two ball bearings 209 to roll on the vertical plate 201 respectively, limiting the installation disk 202 and ensuring the stability of the installation disk 202 during rotation. A side disk 2012 is provided between the installation disk 202 and the side block 203. A first cylinder 2015 is fixedly installed between the side disk 2012 and the side block 203. A plurality of movable rods 2018 are rotatably connected to the side of the side disk 2012 away from the side block 203 at equal angles. The ends of the respective movable rods 2018 away from the side disk 2012 are respectively rotatably connected to the respective sliders 2011. Two side plates 2010 are symmetrically and fixedly connected to the outer side of the side disk 2012. The two side plates 2010 are both movably sleeved on the outer side of the U-shaped round rod 208;

[0027] In the use state, first start the first cylinder 2015, drive the side disk 2012 to move, and drive the two side plates 2010 to slide along the U-shaped round rod 208, ensuring the stability of the side disk 2012 during movement. Then drive the respective sliders 2011 to slide along the respective slide rods 2016 through the respective movable rods 2018, and adjust the position of the connecting hole 2017. Then fix the tire on the installation disk 202 through the respective connecting holes 2017. Then start the motor 205, drive the transmission shaft 204 to rotate, drive the installation disk 202 to rotate through the side block 203 and the U-shaped round rod 208, and drive the tire to rotate. When a certain rotational speed is reached, turn off the motor 205, so that the tire rotates by itself. Finally, it is convenient for subsequent testing of the anti-slip performance of the tire.

[0028] Specifically, by Figures 5 - 6Given that the adjusting mechanism 3 includes a lifting frame 301 located between the base 1 and the mounting plate 202. There is a wear-resistant plate 306 above the lifting frame 301. A second cylinder 303 is fixedly installed between the lifting frame 301 and the base 1. On the side of the vertical plate 201 away from the reinforcing rod 207, two L-shaped round rods 302 are symmetrically and fixedly connected to the base 1. The lifting frame 301 is movably sleeved on the outer sides of the two L-shaped round rods 302. A third cylinder 307 is fixedly installed inside the lifting frame 301. A sliding plate 309 is fixedly installed on the third cylinder 307. Two sliding grooves 305 are symmetrically arranged inside the lifting frame 301, and the sliding plate 309 is slidably connected to the two sliding grooves 305. The top of the sliding plate 309 is fixedly installed with a top plate 304. A clamping groove 308 is arranged on the top of the top plate 304, and the wear-resistant plate 306 is clamped in the clamping groove 308, so that the wear-resistant plate 306 can be replaced;

[0029] In the use state, first start the third cylinder 307 to drive the sliding plate 309 to slide along the two sliding grooves 305 and drive the top plate 304 to move. At the same time, the wear-resistant plate 306 moves horizontally until it is directly below the tire. Then start the second cylinder 303 to drive the lifting frame 301 to slide upward along the two L-shaped round rods 302 and drive the wear-resistant plate 306 to rise until it contacts the tire. Then observe the rotation speed of the tire, and finally test and evaluate the anti-slip performance of the tire.

Claims

1. A tire anti-slip performance testing device, comprising a base (1), characterized in that: The top of the base (1) is provided with a fixing mechanism (2) and an adjusting mechanism (3); The fixing mechanism (2) includes a vertical plate (201) fixed to the top of the base (1). Between the vertical plate (201) and the base (1), two reinforcing rods (207) are symmetrically and fixedly connected. On the outer side of the vertical plate (201), a support seat (206) is fixedly installed. On the support seat (206), a motor (205) is fixedly installed. A transmission shaft (204) is fixedly connected to the motor (205). The end of the transmission shaft (204) far from the motor (205) penetrates through the vertical plate (201) and is fixedly connected to a side block (203). And the transmission shaft (204) is rotatably connected to the vertical plate (201). On the side of the side block (203) far from the vertical plate (201), there is an installation disk (202). On the side of the installation disk (202) close to the vertical plate (201), a U-shaped round rod (208) is fixedly connected. The side block (203) is fixedly sleeved on the middle part of the outer side of the U-shaped round rod (208). On the installation disk (202), a plurality of through slots (2013) are equiangularly arranged. In the through slots (2013), a slide rod (2016) is fixedly connected. On the outer side of the slide rod (2016), a slider (2011) is movably sleeved. On the side of the slider (2011) far from the vertical plate (201), there is a connection hole (2017).

2. The tire anti-slip performance testing device according to claim 1, wherein: On the side of the installation disk (202) close to the vertical plate (201), two limiting columns (2014) are symmetrically and fixedly connected. At the ends of the two limiting columns (2014) far from the installation disk (202), balls (209) abutting against the vertical plate (201) are installed.

3. A tire anti-slip performance testing device according to claim 1, characterized in that: Between the installation disk (202) and the side block (203), there is a side disk (2012). Between the side disk (2012) and the side block (203), a cylinder one (2015) is fixedly installed. On the side of the side disk (2012) far from the side block (203), a plurality of movable rods (2018) are rotatably connected at equal angles. The ends of the respective movable rods (2018) far from the side disk (2012) are respectively rotatably connected to the respective sliders (2011). On the outer side of the side disk (2012), two side plates (2010) are symmetrically and fixedly connected. The two side plates (2010) are both movably sleeved on the outer side of the U-shaped round rod (208).

4. The tire anti-slip performance testing device according to claim 1, characterized in that: The adjusting mechanism (3) includes a lifting frame (301) located between the base (1) and the installation disk (202). Above the lifting frame (301), there is a wear-resistant plate (306). Between the lifting frame (301) and the base (1), a cylinder two (303) is fixedly installed. Between the side of the vertical plate (201) far from the reinforcing rod (207) and the base (1), two L-shaped round rods (302) are symmetrically and fixedly connected. The lifting frame (301) is movably sleeved on the outer sides of the two L-shaped round rods (302).

5. The tire anti-slip performance testing device according to claim 4, characterized in that: Inside the lifting frame (301), a cylinder three (307) is fixedly installed. On the cylinder three (307), a sliding plate (309) is fixedly installed. On the inner side of the lifting frame (301), two sliding grooves (305) are symmetrically arranged. And the sliding plate (309) is slidably connected to the two sliding grooves (305). On the top of the sliding plate (309), a top plate (304) is fixedly installed.

6. The tire anti-slip performance testing device according to claim 5, characterized in that: A clamping groove (308) is provided at the top of the top plate (304), and the wear-resistant plate (306) is clamped in the clamping groove (308).

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