Wear-resistant anti-loose belt pulley

Abstract

The utility model discloses a wear-resisting and anti-loosening belt pulley, and particularly relates to the technical field of belt pulleys, the wear-resisting and anti-loosening belt pulley comprises a frame assembly, a belt pulley assembly is arranged in the frame assembly, the frame assembly comprises a mounting vertical plate, a U-shaped plate is installed on one side face of the mounting vertical plate in a sliding mode, and a rotating shaft is rotatably installed at the top in the U-shaped plate; a linear motor is fixedly mounted on the top face of the mounting vertical plate, an L-shaped connecting plate is fixedly mounted on the top face of a sliding block of the linear motor, one side of the bottom face of the horizontal part of the L-shaped connecting plate is fixedly connected with one side of the top face of a U-shaped plate, the belt wheel assembly comprises a wheel body, and baffles are fixedly mounted on the two sides of the wheel body. According to the wear-resistant anti-loosening belt pulley, the linear motor drives the U-shaped plate to move, the U-shaped plate moves to drive the pulley body to move, and therefore the distance between the two belt pulley assemblies can be changed, a slightly loosened belt can be tightened again, and the situation that the belt falls off from the belt pulley or the transmission efficiency is reduced is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt pulley, concretely to a wear -resisting anti -loose belt pulley. BACKGROUND

[0002] Since the general belt pulley is made of metal, when the belt pulley drives the belt to move, the belt may slip on the surface of the belt pulley, which may cause the belt pulley to fail to drive the belt to move, therefore we propose a wear -resisting anti -loose belt pulley.

[0003] The existing patent application No. 202323441470.5 discloses a wear -resisting anti -loose belt pulley, which belongs to the technical field of belt pulley, comprising a belt pulley body, a plurality of fixed grooves are formed in the middle of the belt pulley body, and a fixed block is inserted into the middle of the fixed groove, and the fixed block is connected with the fixed groove by buckle connection, the end of the fixed block is fixed with an installation plate, and the surface of the installation plate is fixed with a friction block, and a plurality of convex blocks are fixed on the surface of the friction block; when the belt moves on the surface of the belt pulley body, the belt is prevented from slipping on the surface of the belt pulley body, the stability of the belt moving on the surface of the belt pulley body is improved, and the installation plate can be stably fixed on the belt pulley body, improving the safety of the installation plate fixed on the belt pulley body.

[0004] However, the belt pulley still has some deficiencies in actual use, for example, the belt will be affected by repeated stretching, friction and high temperature during use, which will cause the rubber material to gradually age and the elasticity to decrease, resulting in the length of the belt to increase, but the belt pulley cannot re-tighten the belt used for a long time, so the loosening of the belt will reduce the transmission efficiency. SUMMARY

[0005] The utility model aims at providing a wear -resisting anti -loose belt pulley to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a wear -resisting anti -loose belt pulley, comprising a frame assembly, the inside of the frame assembly is provided with a belt pulley assembly;

[0007] The frame assembly comprises an installation vertical plate, the side surface of the installation vertical plate is slidably installed with a U-shaped plate, the inner top of the U-shaped plate is rotatably installed with a rotating shaft, the top surface of the installation vertical plate is fixedly installed with a linear motor, the sliding block top surface of the linear motor is fixedly installed with an L-shaped connecting plate, and the bottom surface of the horizontal part of the L-shaped connecting plate is fixedly connected with the top surface of the U-shaped plate on one side;

[0008] The belt pulley assembly comprises a wheel body, the both sides of the wheel body are fixedly installed with baffle plates, the inner side surface of the baffle plate arranged on one side is provided with a plurality of embedding slots, and a plurality of friction strips are movably inserted into the embedding slots.

[0009] Preferably, a rotating motor is fixedly installed on the top of the side of the U-shaped plate away from the mounting vertical plate, and one end of the output shaft of the rotating motor is fixedly connected with one end of the rotating shaft.

[0010] Preferably, the bottom surface of the friction strip is close to the outer ring surface of the wheel body, a limiting sleeve plate is sleeved on the outer side of the wheel body in a sliding mode, a plurality of limiting openings are formed in the bottom of the inner side surface of the limiting sleeve plate, and three circular shafts are movably inserted into the outer side surface of the baffle on one side.

[0011] Preferably, a rotating threaded rod is threadedly inserted into the top of the outer side surface of the baffle on one side, one end of the rotating threaded rod is rotatably connected with the outer side surface of the limiting sleeve plate, the plurality of limiting openings correspond to the plurality of friction strips in one-to-one mode, and one end of the friction strip is movably inserted into the limiting opening.

[0012] Preferably, a rotating head is fixedly installed at one end of the rotating threaded rod, a fixed plate is fixedly installed on the top of the outer side surface of the baffle on one side and located on both sides of one end of the fixed threaded rod, a fixed threaded rod is threadedly inserted into the outer side surface of the fixed plate on one side, and one end of the fixed threaded rod penetrates through the rotating head and is threadedly connected with the rotating head.

[0013] Preferably, a plurality of mounting threaded openings are formed in the four corners of the side surface of the mounting vertical plate, and the wheel body is fixedly sleeved on the shaft body of the rotating shaft.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The wear-resistant and anti-loose pulley increases the friction force between the wheel body and the belt by arranging a circle of friction strips on the outer side of the wheel body, so that the belt is prevented from slipping on the surface of the wheel body when moving on the surface of the wheel body, the stability of the belt moving on the surface of the wheel body is improved, the worn friction strips can be conveniently replaced, the U-shaped plate is driven to move by the linear motor, the wheel body is driven to move by the movement of the U-shaped plate, the distance between the two pulley assemblies can be changed, the slightly relaxed belt can be re-tightened, the situation that the belt falls off the pulley or the transmission efficiency is reduced is avoided, and the utility is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front structure schematic view of the utility model;

[0017] Figure 2 It is a back structure schematic view of the utility model;

[0018] Figure 3 It is a frame assembly structure schematic view of the utility model;

[0019] Figure 4 The belt pulley assembly structure schematic view of the utility model;

[0020] Figure 5 The A part enlarged structure schematic view of the utility model Figure 4 .

[0021] In the drawing: 1, frame assembly; 101, installation vertical board; 102, installation threaded mouth; 103, U-shaped plate; 104, linear motor; 105, L-shaped connecting plate; 106, rotating shaft; 107, rotating motor; 2, belt pulley assembly; 201, wheel body; 202, baffle; 203, friction strip; 204, limiting sleeve plate; 205, embedded slot; 206, round shaft; 207, rotating threaded rod; 208, fixed plate; 209, fixed threaded rod. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figures 1-5 shown, the utility model provides a technical scheme: including frame assembly 1, the inside of frame assembly 1 is provided with belt pulley assembly 2;

[0024] Frame assembly 1 includes installation vertical board 101, the side surface of installation vertical board 101 is slidably installed with U-shaped plate 103, the inner top of U-shaped plate 103 is rotatably installed with rotating shaft 106, the top surface of installation vertical board 101 is fixedly installed with linear motor 104, the slider top surface of linear motor 104 is fixedly installed with L-shaped connecting plate 105, and the bottom surface of the horizontal portion of L-shaped connecting plate 105 is fixedly connected with the top surface of U-shaped plate 103 on one side.

[0025] Belt pulley assembly 2 includes wheel body 201, both sides of wheel body 201 are fixedly installed with baffle 202, the inner side of the baffle 202 arranged on one side is provided with a plurality of embedded slots 205, and a plurality of embedded slots 205 are movably inserted with friction strip 203.

[0026] In the embodiment, the U-shaped plate 103 is fixedly installed away from the top of the side of the mounting vertical plate 101, a rotating motor 107 is fixedly connected to one end of the output shaft of the rotating motor 107 and one end of the rotating shaft 106, the belt is repeatedly stretched, rubbed and affected by high temperature and other factors during use, which causes the rubber material to gradually age and the elasticity to decrease, thereby causing the length to be longer, therefore, in order to avoid the situation that the belt is loosened and falls off the belt pulley or the transmission efficiency is reduced, the staff can start the linear motor 104 to drive the U-shaped plate 103 to move, the movement of the U-shaped plate 103 drives the wheel body 201 to move, thereby the distance between the two belt pulley assemblies 2 can be changed, the belt can be re-tightened, the situation that the belt falls off the belt pulley or the transmission efficiency is reduced is avoided, and the practicability is higher.

[0027] Meanwhile, the bottom surface of the friction strip 203 is in close contact with the outer ring surface of the wheel body 201, the outer side of the wheel body 201 is sleeved with a limiting sleeve plate 204, a plurality of limiting openings are formed in the bottom surface of the inner side of the limiting sleeve plate 204, the outer side surface of the baffle 202 arranged on one side is movably inserted with three circular shafts 206, and one end of the circular shaft 206 is fixedly connected to the outer side surface of the limiting sleeve plate 204.

[0028] The outer side surface of the baffle 202 arranged on one side is threadedly inserted with a rotating threaded rod 207 at the top, one end of the rotating threaded rod 207 is rotatably connected to the outer side surface of the limiting sleeve plate 204, the plurality of limiting openings correspond to the plurality of friction strips 203 one by one, and one end of the friction strip 203 is movably inserted into the limiting opening.

[0029] One end of the rotating threaded rod 207 is fixedly installed with a rotating head, the outer side surface of the baffle 202 arranged on one side is fixedly installed with a fixed plate 208 at the top and on both sides of one end of the fixed threaded rod 209, the outer side surface of the fixed plate 208 arranged on one side is threadedly inserted with a fixed threaded rod 209, one end of the fixed threaded rod 209 passes through the rotating head and is threadedly connected thereto, the friction between the wheel body 201 and the belt is increased by arranging a circle of friction strips 203 on the outer side of the wheel body 201, thereby preventing the belt from slipping on the surface of the wheel body 201 when the belt moves on the surface of the wheel body 201, improving the stability of the belt moving on the surface of the wheel body 201, and the worn friction strips 203 can be conveniently replaced, specifically, the fixed threaded rod 209 is manually rotated and removed, and the limiting of the rotating threaded rod 207 is released after being removed.

[0030] Subsequently rotate the rotating threaded rod 207, the rotating threaded rod 207 rotates and can drive the limiting sleeve plate 204 to move, make the limiting sleeve plate 2041 displacement enter to the recess that is set up on the inner side of a baffle 202, make the spacing between one end of the friction strip 203 and the limiting sleeve plate 204 is greater than the internal length of the embedded slot 205, subsequently pull out the friction strip 203 from the embedded slot 205, after pulling out, take down, and insert the end of the replacement friction strip 203 into the embedded slot 205, after insertion, manually rotate the rotating threaded rod 207, to make the limiting sleeve plate 204 reset, through the limiting sleeve plate 204 one end of the friction strip 203 is fixed, so that the replacement of the friction strip 203 can be conveniently realized.

[0031] The mounting vertical plate 101 is provided with mounting threaded orifices 102 at the four corners of one side, and the wheel body 201 is fixedly sleeved on the shaft of the rotating shaft 106.

[0032] In summary, the wear-resistant and anti-loose pulley increases the friction force between the wheel body 201 and the belt by arranging a circle of friction strips 203 on the outer side of the wheel body 201, so that the belt is prevented from slipping on the surface of the wheel body 201 when moving on the surface of the wheel body 201, the stability of the belt moving on the surface of the wheel body 201 is improved, the worn friction strips 203 can be conveniently replaced, the U-shaped plate 103 is driven to move by the linear motor 104, the wheel body 201 is driven to move by the movement of the U-shaped plate 103, so that the distance between the two pulley assemblies 2 can be changed, the slightly slack belt can be tightened again, the situation that the belt falls off the pulley or the transmission efficiency is reduced is avoided, and the practicality is stronger.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A wear resistant and anti-loose pulley comprising a frame assembly (1), characterized in that The frame assembly (1) is internally provided with a pulley assembly (2); The frame assembly (1) comprises a mounting vertical plate (101), a U-shaped plate (103) is slidably mounted on one side of the mounting vertical plate (101), a rotating shaft (106) is rotatably mounted on the inner top of the U-shaped plate (103), a linear motor (104) is fixedly mounted on the top surface of the mounting vertical plate (101), an L-shaped connecting plate (105) is fixedly mounted on the top surface of the sliding block of the linear motor (104), and the bottom surface of the horizontal portion of the L-shaped connecting plate (105) is fixedly connected with the top surface of the U-shaped plate (103) on one side. The pulley assembly (2) comprises a wheel body (201), baffle plates (202) are fixedly mounted on both sides of the wheel body (201), and a plurality of embedded slots (205) are formed in the inner side surface of the baffle plate (202) arranged on one side.

2. A wear-resistant, self-lubricating pulley according to claim 1, wherein A rotating motor (107) is fixedly mounted on the top of the side surface of the U-shaped plate (103) away from the mounting vertical plate (101), and one end of the output shaft of the rotating motor (107) is fixedly connected with one end of the rotating shaft (106).

3. A wear-resistant, self-lubricating pulley according to claim 1, wherein The bottom surface of the friction strip (203) is in close contact with the outer ring surface of the wheel body (201), the outer side of the wheel body (201) is slidably sleeved with a limiting sleeve plate (204), a plurality of limiting openings are formed in the inner side surface of the limiting sleeve plate (204), three circular shafts (206) are movably inserted into the outer side surface of the baffle plate (202) arranged on one side, and one end of the circular shaft (206) is fixedly connected with the outer side surface of the limiting sleeve plate (204).

4. A wear-resistant, self-lubricating pulley according to claim 3, wherein The outer side surface of the baffle plate (202) arranged on one side is threadedly inserted with a rotating threaded rod (207) at the top, one end of the rotating threaded rod (207) is rotatably connected with the outer side surface of the limiting sleeve plate (204), the plurality of limiting openings correspond to the plurality of friction strips (203) one by one, and one end of the friction strip (203) is movably inserted into the limiting opening.

5. A wear-resistant, self-lubricating pulley according to claim 4, wherein One end of the rotating threaded rod (207) is fixedly mounted with a rotating head, the outer side surface of the baffle plate (202) arranged on one side is fixedly mounted with a fixed plate (208) at the top and on both sides of one end of the fixed threaded rod (209), a fixed threaded rod (209) is threadedly inserted into the outer side surface of the fixed plate (208) arranged on one side, and one end of the fixed threaded rod (209) penetrates through the rotating head and is threadedly connected therewith.

6. A wear and ravel resistant pulley as defined in claim 1 wherein, A mounting threaded hole (102) is formed at each of the four corners of the side surface of the mounting vertical plate (101), and the wheel body (201) is fixedly sleeved on the shaft body of the rotating shaft (106).

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