Anti-off line pressing tackle

Abstract

The utility model discloses an anti-off line pressing tackle, and belongs to the technical field of electric power fittings. The technical problem that a rope is prone to being wound due to the fact that the rope is prone to being separated from a pulley groove of one pulley and slides to an adjacent pulley groove is solved. According to the technical scheme, the pulley device is characterized by comprising a pulley frame, a pulley shaft and a plurality of pulley bodies, the pulley bodies are rotationally installed on the pulley shaft through bearings and arranged at equal intervals, and rope grooves are formed in the peripheries of the pulley bodies. The pulley device is characterized in that swing arm assemblies are arranged on the two sides of the pulley frame respectively, and rope pressing assemblies are arranged at the ends of the two swing arm assemblies; the rope pressing assembly comprises a rope pressing shaft fixed to the swing arm assembly, the rope pressing shaft is sleeved with rotatable rope pressing wheels, each rope pressing wheel corresponds to the corresponding pulley body and is connected to the corresponding rope groove in a pressed mode, and the rope pressing device has the advantages that the rope is limited, the rope is prevented from being separated from the rope grooves, and the working reliability and safety are improved.

Description

Technical Field

[0001] This application relates to the technical field of electric power fittings, and in particular, to a wire-pressing pulley for preventing wire from slipping off. Background Art

[0002] Currently, the technical solution disclosed in the application number 201510907959.8 is a light conductor wire-pressing pulley, which includes a main shaft and pulley brackets fixed at both ends of the main shaft. A hanging plate is fixed at the top of the pulley bracket. Two pulleys are arranged on the main shaft, and a bearing is sleeved outside the main shaft, and the pulley is sleeved outside the bearing.

[0003] On high-voltage overhead transmission lines, construction workers on utility poles will use pulleys. Based on the technical solution provided by the above patent, we found that in its structure, the rope on the pulley of the pulley is prone to the problem of jumping grooves, that is: the rope is likely to break away from the groove of one pulley and slide onto the adjacent groove, thus causing the rope to be easily entangled and affecting normal construction operations. Utility Model Content

[0004] In view of the above-mentioned disadvantages (problems) of the prior art, in order to prevent the rope on the pulley from jumping lines and improve the reliability and efficiency of construction operations, this application provides a wire-pressing pulley for preventing wire from slipping off.

[0005] To achieve the above object and other related objects, this application adopts the following technical solution: A wire-pressing pulley for preventing wire from slipping off, which includes a pulley frame, a pulley shaft, and a plurality of pulley bodies. Each pulley body is rotatably installed on the pulley shaft at equal intervals through bearings. A rope groove is provided on the outer circumference of the pulley. Swing arm assemblies are respectively arranged on both sides of the pulley frame. Pressing rope assemblies are arranged at the ends of the two swing arm assemblies. The pressing rope assembly includes a pressing rope shaft fixed on the swing arm assembly. A rotatable pressing rope wheel is sleeved on the pressing rope shaft. Each pressing rope wheel corresponds to each pulley body and presses against the rope groove.

[0006] Preferably, the swing arm assembly includes a front swing arm, a rear swing arm, and a connecting arm. One ends of the front swing arm and the rear swing arm are jointly connected and fastened to the pulley frame. A pressing rope assembly is installed at the other end of the front swing arm, and a second pressing rope assembly is installed at the other end of the rear swing arm. Both ends of the connecting arm are respectively fixed on the front swing arm and the rear swing arm to form a triangular support structure.

[0007] Preferably, a spacer tube is sleeved on the pressing rope shaft. The spacer tube is located at the end side of the pressing rope wheel to keep the pressing rope wheel directly opposite to the center of the rope groove.

[0008] Preferably, the pulley frame is provided with a plurality of spacer plates, and the spacer plates form a plurality of pulley grooves on the pulley frame. Each pulley groove is equipped with a pulley body.

[0009] Preferably, the connecting arm is made of rigid hard material.

[0010] Preferably, the connecting arm is a tension spring, and both ends of the tension spring pull the front swing arm and the rear swing arm closer to each other.

[0011] Preferably, a tail shaft is further arranged on the pulley frame, and a rope-tying ring and a spacer sleeve are sleeved on the tail shaft.

[0012] In summary, the present application includes at least one of the following beneficial technical effects:

[0013] 1. It can keep the rope bodies moving in their respective rope grooves and is not easily separated from their own rope grooves. The rope bodies are limited by the rope pressing wheels, making the overall wire-pressing pulley work more reliably.

[0014] 2. The operation is simple and convenient. The rope pressing wheels can be assembled and disassembled efficiently, and at the same time, the rope bodies are limited and pressed at the front and rear parts of the pulley body, thereby improving the reliability of the overall work. Description of the Drawings

[0015] Figure 1 is the schematic diagram of the partial structural cross-section of the first embodiment of the present application;

[0016] Figure 2 is the side view of the first embodiment of the present application;

[0017] Figure 3 is the side view of the second embodiment of the present application;

[0018] Figure 4 is the schematic diagram of the partial structural cross-section of the third embodiment of the present application;

[0019] Figure 5 is the side view schematic diagram of the third embodiment of the present application.

[0020] Main reference numeral descriptions:

[0021] 1. Pulley frame; 11. Spacer plate; 12. Pulley groove; 2. Pulley shaft; 3. Pulley body; 31. Rope groove; 4. Bearing; 5. Swing arm assembly; 51. Front swing arm; 52. Rear swing arm; 53. Connecting arm; 531. Tension spring; 6. Rope pressing assembly; 61. Rope pressing shaft; 62. Rope pressing wheel; 63. Spacer tube; 7. Rope-tying ring; 8. Spacer sleeve; 9. Tail shaft. Detailed Description of the Invention

[0022] The following specific examples illustrate the implementation manners of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0023] It should be noted that the diagrams provided in the following embodiments only schematically illustrate the basic concept of the present application. The diagrams only show the components related to the present application rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and proportion of each component in actual implementation can be changed arbitrarily, and the component layout type may also be more complex.

[0024] The following further illustrates the specific implementation manners of the present application with reference to the accompanying drawings.

[0025] Embodiment 1:

[0026] An anti - derailment wire - pressing pulley block disclosed in an embodiment of the present application is referred to Figure 1 As shown, it includes a pulley frame 1, a pulley shaft 2, and a plurality of pulley bodies 3. Each pulley body 3 is rotatably installed on the pulley shaft 2 at equal intervals through a bearing 4. A rope groove 31 is provided on the outer periphery of the pulley. Swing arm assemblies 5 are respectively arranged on both sides of the pulley frame 1. A wire - pressing assembly 6 is arranged at the ends of the two swing arm assemblies 5. The wire - pressing assembly 6 includes a wire - pressing shaft 61 fixed on the swing arm assembly 5. A rotatable wire - pressing wheel 62 is sleeved on the wire - pressing shaft 61. Each wire - pressing wheel 62 corresponds to each pulley body 3 and is pressed against the rope groove 31. The pulley frame 1 is provided with a plurality of spacer plates 11. The spacer plates 11 form a plurality of pulley grooves 12 on the pulley frame 1. Each pulley groove 12 is assembled with a pulley body 3. In this embodiment, there are three spacer plates 11, thus dividing into 4 pulley grooves 12. The pulley grooves 12 are used to provide a pulley assembly space. The pulley shaft 2 can pass through the bearings 4 on the four pulley bodies 3, so that the pulley bodies 3 can rotate freely here.

[0027] Combined with Figure 1 and Figure 2, the swing arm assembly 5 can be installed on the side of the pulley frame 1 by screws. The swing arm assembly 5 includes a front swing arm 51, a rear swing arm 52, and a connecting arm 53. One end of the front swing arm 51 and the rear swing arm 52 are connected and fastened to the pulley frame 1, a rope pressing assembly 6 is installed at the other end of the front swing arm 51, and a second rope pressing assembly 6 is installed at the other end of the rear swing arm 52. The two ends of the connecting arm 53 are respectively fixed on the front swing arm 51 and the rear swing arm 52 to form a triangular support structure. The function of the connecting arm 53 is to maintain the distance (angle) between the front swing arm 51 and the rear swing arm 52, so that the rope body can be limited from the bottom.

[0028] exist Figure 1 As can be seen in the figure, a spacing tube 63 is sleeved on the rope pressing shaft 61, and the spacing tube 63 is located at the end side of the rope pressing wheel 62 to keep the rope pressing wheel 62 aligned with the center of the rope groove 31. The spacing tube 63 limits the left and right positions of the rope pressing wheel 62 to avoid excessive deviation, thereby keeping the rope pressing wheel 62 accurate in pressing the rope. In this embodiment, the connecting arm 53 is a rigid hard material, that is, it can be made of metal, such as steel, iron, zinc, aluminum, etc.

[0029] Embodiment 2:

[0030] The difference from the first embodiment is that the connecting arm 53 is a tension spring 531, and the two ends of the tension spring 531 pull the front swing arm 51 and the rear swing arm 52 closer to each other. The two ends of the tension spring 531 can be directly fixed by screws (the screws are not shown in the drawings), which shows that since the tension spring 531 is elastic, the rope body is pressed by elastic force.

[0031] Embodiment three:

[0032] refer to Figure 4 and Figure 5 As shown, the pulley frame 1 is also provided with a tail shaft 9, and the tail shaft 9 is sleeved with a rope ring 7 and a spacer 8. In this way, one end of the rope can be fixed on the rope ring 7. The spacer 8 also has a limit function for the rope body, which can further prevent the rope body from loosening and allow the rope body to move normally in the wheel groove without leaving its own rope groove 31.

[0033] The above embodiments are only illustrative of the principles and effects of the present application, and are not intended to limit the present application. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wire pressing pulley for preventing wire from falling off, comprising a pulley frame (1), a pulley shaft (2), and a plurality of pulley bodies (3), each pulley body (3) being rotatably mounted on the pulley shaft (2) through a bearing (4) and arranged at equal intervals, and a rope groove (31) is provided on the outer periphery of the pulley body (3), characterized in that: The pulley frame (1) is provided with swing arm assemblies (5) on both sides, and rope pressing assemblies (6) are provided at the ends of the two swing arm assemblies (5). The rope pressing assembly (6) comprises a rope pressing shaft (61) fixed on the swing arm assembly (5), and a rotatable rope pressing wheel (62) is sleeved on the rope pressing shaft (61). Each rope pressing wheel (62) corresponds to each pulley body (3) and is pressed on the rope groove (31).

2. The wire pressing pulley for preventing wire from falling off according to claim 1, characterized in that: The swing arm assembly (5) comprises a front swing arm (51), a rear swing arm (52), and a connecting arm (53); one end of the front swing arm (51) and the rear swing arm (52) are connected and fastened to the pulley frame (1); a rope pressing assembly (6) is installed at the other end of the front swing arm (51); a second rope pressing assembly (6) is installed at the other end of the rear swing arm (52); and two ends of the connecting arm (53) are respectively fixed to the front swing arm (51) and the rear swing arm (52) to form a triangular support structure.

3. The wire pressing pulley for preventing wire from falling off according to claim 2, characterized in that: A spacing tube (63) is sleeved on the rope pressing shaft (61), and the spacing tube (63) is located at the end side of the rope pressing wheel (62) and is used to keep the rope pressing wheel (62) facing the center of the rope groove (31).

4. The wire pressing pulley for preventing wire from falling off according to claim 1, characterized in that: The pulley frame (1) is provided with a plurality of spacer plates (11), and the spacer plates (11) form a plurality of pulley grooves (12) on the pulley frame (1), and each pulley groove (12) is equipped with a pulley body (3).

5. The wire pressing pulley for preventing wire from falling off according to claim 2, characterized in that: The connecting arm (53) is made of a rigid hard material.

6. The wire pressing pulley for preventing wire from falling off according to claim 2, characterized in that: The connecting arm (53) is a tension spring (531), and the two ends of the tension spring (531) pull the front swing arm (51) and the rear swing arm (52) closer to each other.

7. The wire pressing pulley for preventing wire from falling off according to claim 1, characterized in that: The pulley frame (1) is also provided with a tail shaft (9), and a knotted rope ring (7) and a spacer sleeve (8) are sleeved on the tail shaft (9).

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