Chain type rope protecting pulley

Abstract

The utility model relates to the technical field of rope protection equipment, in particular to a chain type rope protection pulley which comprises a pulley block and connecting pieces, the pulley block comprises a plurality of pulleys and wheel shafts, the pulleys are rotatably installed on the wheel shafts and fixed through the shaft sleeves, every two adjacent wheel shafts are connected through the connecting pieces, and the connecting pieces are installed on the shaft sleeves. Two connecting pieces can be installed on the same shaft sleeve, and the two connecting pieces are arranged in a rotatable mode. The adjustable support is simple in structure and convenient to use, can be adjusted according to different use scenes, can extend or shorten the length and adjust the adaptive angle, is convenient to carry, and meets the use requirements.

Description

Technical Field

[0001] This utility model relates to the field of rope protection equipment technology, specifically to a chain-type rope protection pulley. Background Technology

[0002] A rope safety pulley is a device used during rope use to protect ropes from abrasion and cuts. It can be used in various high-altitude operations and rope activities, such as rock climbing, mountaineering, and working at heights on construction sites.

[0003] Currently, the structure and shape of rope protection pulleys are mostly fixed and cannot be adjusted according to the usage scenario. They can only be used for a single scenario. When they need to be used in multiple scenarios, multiple styles of rope protection pulleys need to be carried for different scenarios, which is inconvenient and cannot meet the usage requirements. Utility Model Content

[0004] To address the shortcomings of the existing technology, this utility model provides a chain-type rope-protecting pulley, which has a simple structure, is easy to use, can be adjusted according to different usage scenarios, can extend or shorten its length, and can be adjusted to adapt to different angles. It is easy to carry and meets usage needs.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] The chain-type rope protection pulley includes a pulley block and connecting parts. The pulley block includes several pulleys and axles. The pulleys are rotatably mounted on the axles and fixed in position by bushings. Adjacent axles are connected by connecting parts, which are mounted on bushings. Two connecting parts can be mounted on the same bushing, and the two connecting parts are rotatably mounted.

[0007] In the above description, as a preferred embodiment, a detachable fixing piece is provided between the connector and the bushing.

[0008] In the above description, as a preferred embodiment, the fixing plate is provided with fixing holes.

[0009] In the above description, as a preferred embodiment, both ends of the connector are provided with mounting holes, and the connector is fitted onto the bushing through the mounting holes. Bolts are provided on the outside of the bushing, and the connector is fixed to the bushing by the bolts.

[0010] In the above description, as a preferred embodiment, a gasket is provided between the connector and the fixing plate.

[0011] In the above description, the connector is preferably a metal chain link.

[0012] The beneficial effects of this utility model are as follows: two adjacent axles are connected by a connector, which is installed on a bushing. Two connectors can be installed on the same bushing. By increasing or decreasing the number of connectors, the number of axles and pulleys can be increased or decreased, thereby adjusting the length of the entire product. At the same time, the two connectors can be rotated, allowing for adjustment of the angle between multiple axles to adapt to more usage scenarios. The structure is simple and easy to use. The length and angle can be adjusted according to different usage scenarios. It is also easy to carry and meets usage needs. Attached Figure Description

[0013] Figure 1 : This is a structural schematic diagram of an embodiment of the present utility model;

[0014] Figure 2 This is an exploded structural diagram of an embodiment of the present invention;

[0015] Explanation of reference numerals in the attached diagram: 10-Pulley, 20-First axle, 21-First bushing, 22-First bolt, 23-First fixing plate, 24-First fixing hole, 25-First washer, 30-Second axle, 31-Second bushing, 32-Second bolt, 33-Second washer, 40-Third axle, 41-Third bushing, 42-Third bolt, 43-Third washer, 50-Fourth axle, 51-Fourth bushing, 52-Fourth bolt, 53-Second fixing plate, 54-Second fixing hole, 55-Fourth washer, 60-First chain link, 61-Second chain link, 62-Third chain link, 63-First mounting hole, 64-Second mounting hole, 65-Third mounting hole, 66-Fourth mounting hole, 67-Fifth mounting hole, 68-Sixth mounting hole. Detailed Implementation

[0016] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments:

[0017] This embodiment: as follows Figure 1-2 As shown, the chain-type protective rope pulley includes a pulley assembly and connecting parts. The pulley assembly includes several pulleys 10 and four axles: a first axle 20, a second axle 30, a third axle 40, and a fourth axle 50. Several pulleys 10 are mounted on each of the four axles, and the pulleys 10 are rotatable.

[0018] The first wheel axle 20 has a first bushing 21 at both ends, which fixes the position of the pulley 10 on the first wheel axle 20. The second wheel axle 30 has a second bushing 31 at both ends, which fixes the position of the pulley 10 on the second wheel axle 30. The third wheel axle 40 has a third bushing 41 at both ends, which fixes the position of the pulley 10 on the third wheel axle 40. The fourth wheel axle 50 has a fourth bushing 51 at both ends, which fixes the position of the pulley 10 on the fourth wheel axle 50.

[0019] The connector is a metal link, and there are three of them: the first link 60, the second link 61 and the third link 62. There are two of each of the first link 60, the second link 61 and the third link 62, and they have the same structure.

[0020] Two first links 60 are located on both sides of the first wheel axle 20 and the second wheel axle 30, respectively. The two ends of the first link 60 are respectively provided with a first mounting hole 63 and a second mounting hole 64. The first mounting hole 63 is inserted into the first bushing 21, and the second mounting hole 64 is inserted into the second bushing 31. The outer sides of the first wheel axle 20 and the second wheel axle 30 are respectively provided with a first bolt 22 and a second bolt 32. One end of the first link 60 is fixed to the first bushing 21 by the first bolt 22, and the other end of the first link 60 is fixed to the second bushing 31 by the second bolt 32.

[0021] The first bushing 21 is also provided with a first fixing plate 23. The first fixing plate 23 is located inside the first link 60. A first gasket 25 is provided between the first fixing plate 23 and the first link 60. Both the first fixing plate 23 and the first link 60 can be rotated relative to the first bushing 21. One end of the first fixing plate 23 extends outward, and a first fixing hole 24 is provided on its extended part.

[0022] Two second links 61 are located on both sides of the second wheel axle 30 and the third wheel axle 40, respectively. The two ends of the second link 61 are respectively provided with a third mounting hole 65 and a fourth mounting hole 66. The third mounting hole 65 is inserted into the second bushing 31, and the fourth mounting hole 66 is inserted into the third bushing 41. The outer sides of the second wheel axle 30 and the third wheel axle 40 are respectively provided with a third bolt 42 and a fourth bolt 52. One end of the second link 61 is fixed to the second bushing 31 by the third bolt 42. A second washer 33 is provided between the second link 61 and the first link 60, and both the second link 61 and the first link 60 can be rotated relative to the second bushing 31. The other end of the second link 61 is fixed to the third bushing 41 by the fourth bolt 52.

[0023] Two third links 62 are located on both sides of the third wheel axle 40 and the fourth wheel axle 50, respectively. The two ends of the third link 62 are respectively provided with a fifth mounting hole 67 and a sixth mounting hole 68. The fifth mounting hole 67 is inserted into the third bushing 41, and the sixth mounting hole 68 is inserted into the fourth bushing 51. The outer sides of the third wheel axle 40 and the fourth wheel axle 50 are respectively provided with a fifth bolt and a sixth bolt. One end of the third link 62 is fixed to the third bushing 41 by the fifth bolt. A third washer 43 is provided between the third link 62 and the second link 61, and both the third link 62 and the second link 61 can be rotated relative to the third bushing 41. The other end of the third link 62 is fixed to the fourth bushing 51 by the sixth bolt.

[0024] The fourth bushing 51 is also provided with a second fixing plate 53, which is located inside the third link 62. A fourth gasket 55 is provided between the second fixing plate 53 and the third link 62. Both the second fixing plate 53 and the third link 62 can be rotated relative to the fourth bushing 51. One end of the second fixing plate 53 extends outward, and a second fixing hole 54 is provided on its extended part.

[0025] This product uses external fixing ropes to fix its position through the first fixing hole 24 and the second fixing hole 54. The first fixing plate 23 and the second fixing plate 53 can be removed to increase or decrease the number of connecting parts, thereby increasing or decreasing the number of wheel axles and pulleys 10, thus adjusting the length of the entire product. At the same time, the two connecting parts on the same bushing can be rotated to adjust the angle between multiple wheel axles, making it suitable for more usage scenarios. It has a simple structure, is easy to use, and can adjust the length and angle according to different usage scenarios. It is also easy to carry and meets usage needs.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the technical solution of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A chain and rope guard pulley comprising a pulley block and a connecting member, characterised in that: The pulley block comprises a plurality of pulleys and shafts, the pulleys are rotatably installed on the shafts and fixed in position through shaft sleeves, two adjacent shafts are connected through a connecting piece, the connecting piece is installed on the shaft sleeve, two connecting pieces can be installed on the same shaft sleeve, and the two connecting pieces are rotatably arranged.

2. The chain rope guard pulley according to claim 1, characterized in that: A detachable fixing piece is arranged between the connecting piece and the shaft sleeve.

3. The chain guard sheave of claim 2, wherein: A fixing hole is arranged on the fixing piece.

4. The chain rope guard pulley according to claim 1, characterized in that: Both ends of the connecting piece are provided with mounting holes, the connecting piece is sleeved on the shaft sleeve through the mounting holes, the outer side of the shaft sleeve is provided with a bolt, and the connecting piece is fixed on the shaft sleeve through the bolt.

5. The chain guard sheave of claim 1, wherein: A gasket is arranged between the connecting piece and the fixing piece.

6. The chain rope guard pulley of claim 1, wherein: The connecting piece is a metal chain link.

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