Split type friction wheel

Abstract

The utility model relates to a split type friction wheel which comprises a wheel body, spokes are arranged on the inner circle of the wheel body, a friction lining block is connected to the outer circle of the wheel body in a sleeved mode, a groove is formed in the outer circle of the wheel body, the inner wall of the groove is connected with the bottom of the friction lining block in an attached and clamped mode, and a U-shaped groove is formed in the friction lining block in the circumferential direction. And the U-shaped groove is matched with the outer diameter of the steel rope. According to the split type friction wheel, the groove is formed in the outer circle of the wheel body, the vertical parts of the friction lining blocks with the T-shaped sections are clamped, the multiple matched friction lining blocks are circumferentially distributed in the groove, the mounting holes are formed between the friction lining blocks and the wheel body, and the positioning bolts are assembled between the friction lining blocks and the wheel body, so that soft rubber on a traditional rubber-coated friction wheel is replaced by the friction lining blocks; and the single friction lining block can be detached and replaced according to the abrasion condition, so that the service life of the wheel body is prolonged, the maintenance and replacement cost and time are reduced, meanwhile, the stability of the friction lining blocks in the working process is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator drive components, in particular to a split friction wheel. Background Art

[0002] Friction pulley, also known as the driving pulley, is a mechanical device based on the friction transmission principle. In wire rope transportation and lifting machinery, the friction pulley uses the friction transmission principle to drive the wire rope to move. It is the main component of the friction hoist transmission. There is a friction lining on the outer circle of the friction wheel, and there is a rope groove on the lining to hold the lifting wire rope. The lining must have sufficient compressive strength and friction coefficient to prevent sliding during the lifting process and ensure the normal operation of the friction hoist.

[0003] In the prior art, the commonly used friction wheel is a rubber-coated friction wheel, which is formed by coating a soft rubber material onto a metal material by injection molding to form a friction lining, and the soft rubber is combined with the metal wheel body by a hoop-embedded effect. Due to the long-term high-intensity operation of the friction wheel, the colloid on its outer circle is prone to degumming and rotting, so that the soft rubber friction layer is separated from the metal wheel body, causing the friction wheel to fail. In order to ensure the working state, it needs to be maintained regularly. When degumming occurs, the entire set of friction wheels needs to be replaced, which increases the maintenance and manufacturing costs and causes a waste of resources; at the same time, the replacement and maintenance time is long, which affects the working efficiency of the friction wheel. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a split friction wheel, which has the advantages of convenient replacement of friction linings, increasing the service life of the friction wheel, improving work efficiency, saving maintenance costs, etc., and solves the problem of high replacement cost and long maintenance cycle of the existing friction wheel causing low work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a split friction wheel, comprising a wheel body, the inner circle of the wheel body is provided with wheel spokes, a friction lining is sleeved on the outer circle of the wheel body, a groove is provided on the outer circle of the wheel body, the inner wall of the groove fits and clamps the bottom of the friction lining, the friction lining is provided with a U-shaped groove along the circumferential direction, and the U-shaped groove matches the outer diameter of the steel rope.

[0006] Furthermore, a plurality of weight-reducing holes are formed between the spokes and the wheel body, and the weight-reducing holes are distributed in a circumference.

[0007] Furthermore, the friction pad adopts a T-shaped cross-section structure, the horizontal portion of the friction pad fits the outer circle contour of the wheel body, and the vertical portion of the friction pad fits and engages with the groove.

[0008] Furthermore, there are multiple friction linings, and the friction linings are in a fan-shaped structure, and the ends of the multiple friction linings are in contact with each other and are distributed in a circle and clamped on the groove.

[0009] Furthermore, a mounting hole is provided on the wheel body at a position corresponding to the friction lining.

[0010] Furthermore, a positioning bolt is installed in the inner thread of the mounting hole.

[0011] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0012] The split friction wheel is provided with a groove on the outer circle of the wheel body and the vertical part of the friction lining with a T-shaped cross-section is clamped, and the friction linings are provided in multiple pieces and distributed circumferentially in the groove. A mounting hole is provided between the friction lining and the wheel body and a positioning bolt is assembled, so that the friction lining replaces the soft rubber on the traditional rubber-coated friction wheel, and a single friction lining can be disassembled and replaced according to the wear condition, which not only increases the service life of the wheel body and reduces the cost and time of maintenance and replacement, but also improves the stability of the friction lining during operation and increases work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the side section of the structure of the utility model;

[0015] Figure 3 It is a front view schematic diagram of the structure of the utility model;

[0016] In the figure: 1. wheel body; 2. spoke; 3. groove; 4. friction lining; 5. U-shaped groove; 6. mounting hole; 7. positioning bolt; 8. weight reduction hole. DETAILED DESCRIPTION

[0017] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0018] See also Figure 1-3 In this embodiment, a split friction wheel includes a wheel body 1, the inner circle of the wheel body 1 is provided with a wheel spoke 2, the outer circle of the wheel body 1 is sleeved with a friction lining 4, the outer circle of the wheel body 1 is provided with a groove 3, and the inner wall of the groove 3 fits and engages with the bottom of the friction lining 4.

[0019] In this embodiment, a groove 3 is provided on the outer circle of the wheel body 1 and the vertical part of the friction lining 4 with a T-shaped cross-section is clamped, and the friction lining 4 is provided in plurality and distributed circumferentially in the groove 3. A mounting hole 6 is provided between the friction lining 4 and the wheel body 1 and a positioning bolt 7 is assembled, so that the friction lining 4 replaces the soft rubber on the traditional rubber-coated friction wheel, and a single friction lining 4 can be disassembled and replaced according to the wear condition, which not only increases the service life of the wheel body 1 and reduces the cost and time of maintenance and replacement, but also improves the stability of the friction lining 4 during operation and increases work efficiency.

[0020] See also Figure 1-2 In order to save the cost and time of maintenance and replacement and improve work efficiency, in this embodiment, the friction lining 4, the U-shaped groove 5, the mounting hole 6, and the positioning bolt 7;

[0021] The friction lining 4 adopts a T-shaped cross-section structure. The horizontal part of the friction lining 4 fits the outer circular contour of the wheel body 1, and the vertical part of the friction lining 4 fits the clamping groove 3. There are multiple friction linings 4, and the friction linings 4 are fan-shaped. The ends of multiple friction linings 4 fit together and are distributed in a circle and clamped on the groove 3. A mounting hole 6 is opened on the wheel body 1 at a position corresponding to the friction lining 4, and a positioning bolt 7 is installed in the inner thread of the mounting hole 6.

[0022] In this embodiment, the fan-shaped friction pad 4 is designed with a T-section and is circumferentially distributed and engages with the groove 3 on the wheel body 1, so that when maintenance is required due to long-term wear, it is only necessary to detect the condition of each friction pad 4 and replace them relatively, thereby reducing the cost of replacing the friction pad 4 and the wheel body 1, increasing the service life of the wheel body 1, and also reducing the time for maintenance and replacement, thereby improving work efficiency.

[0023] It should be noted that by providing mounting holes 6 at positions corresponding to the wheel body 1 and the friction pad 4 and installing positioning bolts 7, not only is it convenient to install and remove a single friction pad 4, but it also increases the stability of the friction pad 4 during assembly.

[0024] See also Figure 3 In order to increase the working efficiency and prolong the service life of the wheel body 1, the wheel spokes 2 and the weight-reducing holes 8 are provided in this embodiment;

[0025] A plurality of weight-reducing holes 8 are formed between the spokes 2 and the wheel body 1 , and the weight-reducing holes 8 are distributed in a circumference.

[0026] In this embodiment, a plurality of weight-reducing holes 8 distributed in a circumference are formed between the spokes 2 and the wheel body 1, so that when the wheel body 1 is transmitted, the weight of the wheel body 1 can be effectively reduced, the inertia caused by the transmission can be reduced, the service life of the wheel body 1 can be effectively increased, and the replacement cost can be reduced.

[0027] The working principle of the above embodiment is:

[0028] A groove 3 is provided on the outer circle of the wheel body 1 and the vertical part of the friction lining 4 with a T-shaped cross-section is clamped, and the friction lining 4 is provided in multiple pieces and distributed circumferentially in the groove 3. A mounting hole 6 is provided between the friction lining 4 and the wheel body 1 and a positioning bolt 7 is assembled, so that the friction lining 4 replaces the soft rubber on the traditional rubber-coated friction wheel, and a single friction lining 4 can be disassembled and replaced according to the wear condition, which not only increases the service life of the wheel body 1 and reduces the cost and time of maintenance and replacement, but also improves the stability of the friction lining 4 during operation and increases work efficiency.

[0029] 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 split friction wheel, characterized in that: The invention comprises a wheel body (1), the inner circle of the wheel body (1) is provided with a spoke (2), the outer circle of the wheel body (1) is sleeved with a friction lining (4), the outer circle of the wheel body (1) is provided with a groove (3), the inner wall of the groove (3) is fitted and clamped with the bottom of the friction lining (4), the friction lining (4) is provided with a U-shaped groove (5) along the circumferential direction, and the U-shaped groove (5) matches the outer diameter of the steel rope.

2. A split friction wheel according to claim 1, characterized in that: A plurality of weight-reducing holes (8) are formed between the wheel spokes (2) and the wheel body (1), and the weight-reducing holes (8) are distributed in a circumferential manner.

3. The split friction wheel according to claim 1, characterized in that: The friction lining (4) adopts a T-shaped cross-section structure, the horizontal portion of the friction lining (4) fits the outer circular contour of the wheel body (1), and the vertical portion of the friction lining (4) fits and engages with the groove (3).

4. The split friction wheel according to claim 1, characterized in that: There are a plurality of friction linings (4), and the friction linings (4) are in a fan-shaped structure. The ends of the plurality of friction linings (4) are in contact with each other and are distributed in a circle and clamped on the groove (3).

5. The split friction wheel according to claim 1, characterized in that: A mounting hole (6) is provided on the wheel body (1) at a position corresponding to the friction lining (4).

6. A split friction wheel according to claim 5, characterized in that: The internal thread of the mounting hole (6) is provided with a positioning bolt (7).

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