Traction sheave mounting structure convenient to overhaul

Abstract

The utility model discloses a traction sheave installation structure convenient to overhaul, which comprises a fixed seat and a traction sheave body, a rotating rod is arranged on the right side of the fixed seat, the traction sheave body is sleeved on the rotating rod, and a limiting component is arranged on the side wall of the left end of the traction sheave body. According to the traction wheel, the traction wheel body is in butt joint with the rotating rod, the fixing block is inserted into the annular limiting groove, and the ball is in sliding abutting contact with the annular limiting groove, so that the traction wheel body is effectively limited, and the rotating stability of the traction wheel body is improved; an annular inserting block is inserted into an annular inserting groove, a rectangular protrusion is inserted into a rectangular clamping groove, after a cylindrical threaded protrusion penetrates through a circular hole, a circular limiting base is positioned on a rotating rod, and a nut is in threaded connection with the cylindrical threaded protrusion in a sleeving mode and then matched with a sealing cover for protection sealing; a large number of bolts are not needed for fixing, and dismounting, replacing and overhauling are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of traction wheels, in particular to a traction wheel installation structure convenient for maintenance. Background Technique

[0002] A traction wheel is a rope wheel on a traction machine and is a device for transmitting the traction power of an elevator. The traction wheel uses the friction between the traction steel wire rope and the rope groove on the traction wheel rim to transmit power. In order to reduce the damage of the traction steel wire rope in the traction wheel groove, it is necessary to improve the roughness and hardness of the rope groove surface of the traction wheel.

[0003] Existing traction wheels are all installed on a bearing seat for support and positioning. There is a lack of a limiting structure during the rotation of the traction wheel, which affects the rotational stability of the traction wheel. Moreover, a large number of bolts are required for fixation during the installation process, making it inconvenient for disassembly, replacement, and maintenance. Now, a traction wheel installation structure convenient for maintenance is proposed to solve the above problems. Content of the Utility Model

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a traction wheel installation structure convenient for maintenance, which is used to solve the technical problems in the background technique that existing traction wheels are all installed on a bearing seat for support and positioning, there is a lack of a limiting structure during the rotation of the traction wheel, which affects the rotational stability of the traction wheel, and a large number of bolts are required for fixation during the installation process, making it inconvenient for disassembly, replacement, and maintenance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A traction wheel installation structure convenient for maintenance includes a fixed seat and a traction wheel body. A rotating rod is provided on the right side of the fixed seat. The traction wheel body is sleeved on the rotating rod. A limiting component is provided on the left end side wall of the traction wheel body. The limiting component is in contact with the right side wall of the fixed seat. An annular insertion block is provided on the right side wall of the traction wheel body. A circular limiting seat is provided at the end of the rotating rod away from the fixed seat. A threaded groove is provided on the side wall of the circular limiting seat facing the rotating rod. The rotating rod is threadedly connected to the threaded groove. Two cylindrical threaded protrusions are provided on the right side wall of the traction wheel body. A positioning mechanism is provided on the annular side wall of the circular limiting seat. Both of the two cylindrical threaded protrusions are fixedly clamped with the positioning mechanism.

[0007] Preferably, the limiting component includes two fixed blocks respectively fixedly connected to the right end side wall of the fixed seat and an annular limiting block fixedly connected to the left end side wall of the traction wheel body. The two fixed blocks are symmetrically distributed. Ball bearings are embedded at the ends of the two fixed blocks away from the fixed seat. An annular limiting groove is provided on the side wall of the annular limiting block away from the traction wheel body. Both of the two fixed blocks are inserted into the annular limiting groove. The ball bearings are in sliding contact with the annular limiting groove.

[0008] Preferably, an annular slot is provided on the side wall of the circular limit seat facing the annular insertion block. The annular insertion block is inserted into the annular slot and is in seamless contact with its inner wall. An external thread is provided on the annular side wall at the right end of the rotating rod, and the external thread is threadedly connected to the thread groove.

[0009] Preferably, the annular insertion block, the annular limit block, and the cylindrical thread protrusion are integrally formed with the traction wheel body.

[0010] Preferably, a rectangular protrusion is provided on the inner wall of the thread groove facing the rotating rod, and a rectangular card slot is provided on the side wall of the rotating rod facing the rectangular protrusion. The rectangular protrusion is inserted into the rectangular card slot, and the rectangular protrusion is integrally formed with the circular limit seat.

[0011] Preferably, the positioning mechanism includes two positioning blocks provided on the annular side wall of the circular limit seat close to the traction wheel body. Circular holes communicating left and right are provided on both positioning blocks. The two cylindrical thread protrusions respectively penetrate through the two circular holes. Nuts are threadedly sleeved on the two cylindrical thread protrusions, and the nuts are in contact with and pressed against the positioning blocks. Sealing caps are sleeved on the two cylindrical thread protrusions, and the sealing caps are sleeved on the nuts.

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

[0013] 1. By docking the traction wheel body with the rotating rod, the fixing block is inserted into the annular limit groove, and the balls are in sliding contact with the annular limit groove, effectively providing limit for the traction wheel body and improving the rotation stability of the traction wheel body.

[0014] 2. By docking the circular limit seat with the rotating rod, the external thread is threadedly connected to the thread groove, the annular insertion block is inserted into the annular slot, and the rectangular protrusion is inserted into the rectangular card slot. Until the cylindrical thread protrusion penetrates through the circular hole, the circular limit seat is positioned on the rotating rod. After the nut is threadedly sleeved on the cylindrical thread protrusion, the sealing cap is used for protection and sealing. There is no need to use a large number of bolts for fixing, which is convenient for disassembly, replacement, and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of a traction wheel installation structure convenient for maintenance proposed by the present utility model;

[0016] Figure 2 is a perspective schematic diagram of a traction wheel installation structure convenient for maintenance proposed by the present utility model;

[0017] Figure 3 is Figure 2 a partial enlarged view of part A in

[0018] Figure 4 is Figure 2 the partial enlarged view at position B in

[0019] In the figure: 1 is the fixed seat, 2 is the traction wheel body, 3 is the rotating rod, 4 is the annular insertion block, 5 is the circular limit seat, 6 is the thread groove, 7 is the cylindrical thread projection, 8 is the fixed block, 9 is the annular limit block, 10 is the ball, 11 is the annular limit groove, 12 is the rectangular projection, 13 is the rectangular card slot, 14 is the positioning block, 15 is the circular hole, 16 is the nut, 17 is the sealing cover. Specific embodiments

[0020] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] Referring to Figures 1-4 , a traction wheel installation structure convenient for maintenance, including a fixed seat 1 and a traction wheel body 2. A rotating rod 3 is provided on the right side of the fixed seat 1, the traction wheel body 2 is sleeved on the rotating rod 3, and a limiting component is provided on the left end side wall of the traction wheel body 2. The limiting component is in contact with the right side wall of the fixed seat 1. The limiting component includes two fixed blocks 8 respectively fixedly connected to the right end side wall of the fixed seat 1 and an annular limiting block 9 fixedly connected to the left end side wall of the traction wheel body 2. The two fixed blocks 8 are symmetrically distributed. Ball bearings 10 are embedded at the ends of the two fixed blocks 8 away from the fixed seat 1. An annular limiting groove 11 is provided on the side wall of the annular limiting block 9 away from the traction wheel body 2. The two fixed blocks 8 are inserted into the annular limiting groove 11, and the ball bearings 10 are in sliding contact with the inner wall of the annular limiting groove 11. The traction wheel body 2 is docked with the rotating rod 3 on the fixed seat 1, so that the two fixed blocks 8 on the fixed seat 1 are inserted into the annular limiting groove 11 on the annular limiting block 9, and the ball bearings 10 embedded in the two fixed blocks 8 are in sliding contact with the inner wall of the annular limiting groove 11, effectively providing a limit for the traction wheel body 2 and improving the rotation stability of the traction wheel body 2.

[0023] An annular insertion block 4 is provided on the right side wall of the traction wheel body 2. One end of the rotating rod 3 away from the fixed seat 1 is provided with a circular limiting seat 5. A threaded groove 6 is provided on the side wall of the circular limiting seat 5 facing the rotating rod 3. The rotating rod 3 is threadedly connected to the threaded groove 6. An annular slot (not shown in the figure) is provided on the side wall of the circular limiting seat 5 facing the annular insertion block 4. The annular insertion block 4 is inserted into the annular slot and is in seamless contact with its inner wall. An external thread (not shown in the figure) is provided on the annular side wall of the rotating rod 3 at the right end. The external thread is threadedly connected to the threaded groove 6. The annular insertion block 4, the annular limiting block 9 and the cylindrical threaded protrusion 7 are all integrally formed with the traction wheel body 2. A rectangular protrusion 12 is provided on the inner wall of the threaded groove 6 facing the rotating rod 3. A rectangular card slot 13 is provided on the side wall of the rotating rod 3 facing the rectangular protrusion 12. The rectangular protrusion 12 is inserted into the rectangular card slot 13. The rectangular protrusion 12 is integrally formed with the circular limiting seat 5. The circular limiting seat 5 is docked with the rotating rod 3, so that the external thread (not shown in the figure) is threadedly connected to the threaded groove 6, the annular insertion block 4 is inserted into the annular slot (not shown in the figure), and the rectangular protrusion 12 is inserted into the rectangular card slot 13 until the cylindrical threaded protrusion 7 on the traction wheel body 2 penetrates through the circular hole 15 on the positioning block 14, effectively positioning the circular limiting seat 5 on the rotating rod 3.

[0024] Two cylindrical threaded protrusions 7 are provided on the right side wall of the traction wheel body 2. A positioning mechanism is provided on the annular side wall of the circular limiting seat 5. The two cylindrical threaded protrusions 7 are both fixedly clamped with the positioning mechanism. The positioning mechanism includes two positioning blocks 14 provided on the annular side wall of the circular limiting seat 5 close to the traction wheel body 2. Circular holes 15 that are connected left and right are provided on both of the two positioning blocks 14. The two cylindrical threaded protrusions 7 respectively penetrate through the two circular holes 15. Nuts 16 are threadedly sleeved on the two cylindrical threaded protrusions 7. The nuts 16 are pressed against the positioning blocks 14. Sealing caps 17 are sleeved on the two cylindrical threaded protrusions 7. The sealing caps 17 are sleeved on the nuts 16. After the nuts 16 are threadedly sleeved on the cylindrical threaded protrusions 7, the sealing caps 17 are used for protection and sealing. When disassembling, only need to open the sealing caps 17 and then unscrew the nuts 16, and then rotate the circular limiting seat 5 to separate it from the rotating rod 3, without the need to use a large number of bolts for fixation, which is convenient for disassembly, replacement and maintenance.

[0025] When the utility model is in use, the traction wheel body 2 is butted against the rotating rod 3 on the fixed seat 1, so that the two fixing blocks 8 on the fixed seat 1 are inserted into the annular limiting groove 11 on the annular limiting block 9, and the rolling balls 10 embedded in the two fixing blocks 8 are in sliding contact with the inner wall of the annular limiting groove 11, effectively providing limit for the traction wheel body 2 and improving the rotation stability of the traction wheel body 2. The circular limiting seat 5 is butted against the rotating rod 3, so that the external thread (not shown in the figure) is threadedly connected with the thread groove 6, the annular insertion block 4 is inserted into the annular slot (not shown in the figure), and the rectangular protrusion 12 is inserted into the rectangular card slot 13 until the cylindrical thread protrusion 7 on the traction wheel body 2 penetrates through the circular hole 15 on the positioning block 14, effectively positioning the circular limiting seat 5 on the rotating rod 3. The nut 16 is threadedly sleeved on the cylindrical thread protrusion 7 and then cooperates with the sealing cover 17 for protection and sealing. When disassembling, only need to open the sealing cover 17 and then unscrew the nut 16, and then rotate the circular limiting seat 5 to separate it from the rotating rod 3. There is no need to use a large number of bolts for fixation, which is convenient for disassembly, replacement and maintenance.

[0026] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution and the inventive concept of the utility model, making equivalent substitutions or changes, should be covered within the protection scope of the utility model.

Claims

1. A traction sheave installation structure convenient for maintenance, comprising a fixing seat (1) and a traction sheave body (2), wherein a rotating rod (3) is provided on the right side of the fixing seat (1), characterized in that: The traction wheel body (2) is sleeved on the rotating rod (3), a limiting component is provided on the left side wall of the traction wheel body (2), the limiting component is in contact with the right side wall of the fixed seat (1), an annular plug block (4) is provided on the right side wall of the traction wheel body (2), a circular limiting seat (5) is provided at one end of the rotating rod (3) away from the fixed seat (1), a thread groove (6) is provided on the side wall of the circular limiting seat (5) facing the rotating rod (3), the rotating rod (3) is threadedly connected to the thread groove (6), two cylindrical threaded protrusions (7) are provided on the right side wall of the traction wheel body (2), a positioning mechanism is provided on the annular side wall of the circular limiting seat (5), and the two cylindrical threaded protrusions (7) are fixedly engaged with the positioning mechanism.

2. A traction sheave installation structure convenient for maintenance according to claim 1, characterized in that: The limiting assembly comprises two fixing blocks (8) respectively fixedly connected to the right end side wall of the fixing seat (1) and an annular limiting block (9) fixedly connected to the left end side wall of the traction wheel body (2). The two fixing blocks (8) are symmetrically arranged. One end of the two fixing blocks (8) away from the fixing seat (1) is embedded with a ball (10). The side wall of the annular limiting block (9) away from the traction wheel body (2) is provided with an annular limiting groove (11). The two fixing blocks (8) are inserted into the annular limiting groove (11), and the ball (10) and the annular limiting groove (11) are in sliding contact with each other.

3. The traction sheave installation structure convenient for maintenance according to claim 1 is characterized in that: The circular limit seat (5) is provided with an annular slot on the side wall facing the annular insert block (4), the annular insert block (4) is inserted into the annular slot and seamlessly contacts the inner wall thereof, and the rotating rod (3) is provided with an external thread on the annular side wall at the right end, the external thread being threadedly connected to the thread groove (6).

4. The traction sheave installation structure for convenient maintenance according to claim 2, characterized in that: The annular insert block (4), the annular limit block (9) and the cylindrical threaded protrusion (7) are all formed integrally with the traction wheel body (2).

5. The traction sheave installation structure convenient for maintenance according to claim 1, characterized in that: A rectangular protrusion (12) is provided on the inner wall of the threaded groove (6) facing the rotating rod (3), a rectangular clamping groove (13) is provided on the side wall of the rotating rod (3) facing the rectangular protrusion (12), the rectangular protrusion (12) is inserted into the rectangular clamping groove (13), and the rectangular protrusion (12) and the circular limiting seat (5) are integrally formed.

6. The traction sheave installation structure convenient for maintenance according to claim 1, characterized in that: The positioning mechanism comprises two positioning blocks (14) arranged on the circular limiting seat (5) near the annular side wall of the traction wheel body (2), the two positioning blocks (14) are both provided with a circular hole (15) connected to each other on the left and right, the two cylindrical threaded protrusions (7) are respectively arranged to penetrate the two circular holes (15), the two cylindrical threaded protrusions (7) are both threadedly sleeved with nuts (16), the nuts (16) are pressed against the positioning blocks (14), and the two cylindrical threaded protrusions (7) are both sleeved with sealing covers (17), and the sealing covers (17) are sleeved with the nuts (16).

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