Double-wheel insulating pulley

Abstract

The utility model discloses a double-wheel insulating tackle, which comprises a tackle frame and two pulleys, two groups of connecting plates are symmetrically arranged in the tackle frame, a limiting frame is arranged between the two connecting plates, the limiting frame is formed by combining a plurality of connecting blocks, one side of each connecting plate is fixedly connected with a connecting plate, and the other side of each connecting plate is fixedly connected with a connecting rod. The connecting plates are connected with the pulley frame in a sliding mode, a connecting frame is arranged between the other two connecting plates, and the position of the limiting assembly can be adjusted, so that when the top of the pulley passes through ropes of different specifications, the ropes can be limited through the limiting assembly, and the ropes cannot derail in the moving process; the limiting frame is formed by combining a plurality of connecting blocks and a connecting shaft, so that a matched arc surface can be generated according to the diameter of the rope after the limiting frame is in contact with the top surface of the rope, obstruction is avoided when the rope slides, and the stability of the rope running on the pulley is kept when the pulley is used.

Description

Technical Field

[0001] The utility model relates to a double-wheel insulating pulley, belonging to the technical field of insulating pulleys. Background Art

[0002] The double-wheel insulating pulley is a commonly used device for disassembling insulator strings in transmission lines. Currently, the double-wheel insulating pulleys used in China generally adopt a closed structure. When used as a pulley block, it needs to be pre-threaded with an insulating rope for standby. After use, the pulley is generally not taken down. When the pulley is operating, the rope passing over the pulley may derail from the pulley during high-speed sliding, resulting in the rope getting stuck on the pulley frame and affecting the working efficiency of the pulley. Content of the Utility Model

[0003] The purpose of the utility model is to provide a double-wheel insulating pulley to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: It includes a pulley frame and two pulleys. Inside the pulley frame, two groups of connecting plates are symmetrically arranged. Between the two connecting plates, a limiting frame is arranged. The limiting frame is composed of several connecting blocks. On one side of each of the two connecting plates, an adapter plate is fixedly connected. The adapter plate is slidably connected to the pulley frame. Between the other two connecting plates, an adapter frame is arranged. On one side of the adapter frame, a fixing hole is opened. Inside the fixing hole, a fastening piece is arranged. On one side of the pulley frame, several limiting holes are opened. The adapter frame is detachably connected to the limiting holes through the fastening piece.

[0005] Further, a slider is fixedly connected to one side of the adapter plate. On one side of the pulley frame, two chutes are symmetrically opened. The adapter plate is slidably connected to the chutes through the slider.

[0006] Further, both sides of the adapter frame are fixedly connected to the adjacent connecting plates on both sides. The adapter frame is in close fit with the beam frame at the center of the pulley frame.

[0007] Further, the inner walls of the fixing hole and the limiting hole are both provided with threads matching the fastening piece.

[0008] Further, a connecting shaft is arranged between two adjacent connecting blocks, and two adjacent connecting blocks are rotatably connected through the connecting shaft.

[0009] Further, the distance between the two connecting plates is matched with the width of the connecting frame on the center line of the pulley frame, and the two connecting plates are slidably connected to the pulley frame.

[0010] Further, the two pulleys are symmetrically arranged on the sliding frame, and the pulleys are rotatably connected to the inside of the sliding frame.

[0011] The beneficial effects of the present utility model are as follows: The present utility model forms a component for limiting the rope sliding on the top of the pulley by arranging two connecting plates and the limiting frame therebetween. The two limiting components are connected by a connecting frame. The connecting frame is connected and fixed to a certain limiting hole on the sliding frame through a fixing hole and a fastener, so as to adjust the position of the limiting component. Thus, when the top of the pulley passes through ropes of different specifications, the limiting component can limit the rope, so that the rope will not derail during movement. The limiting frame is composed of a plurality of connecting blocks and connecting shafts, so that after the limiting frame contacts the top surface of the rope, an arc surface matching the diameter of the rope can be generated, avoiding obstacles during the sliding of the rope and maintaining the stability of the running rope on the trolley during the use of the trolley. Description of the Drawings

[0012] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the specific embodiments of the present utility model, and do not constitute a limitation to the present utility model.

[0013] Figure 1 is the front view structural schematic diagram of the present utility model;

[0014] Figure 2 is the dynamic schematic diagram of the connecting plate in the present utility model;

[0015] Figure 3 is the three-dimensional view of the connecting plate and the connecting frame in the present utility model;

[0016] Figure 4 is the present utility model Figure 1 The enlarged view of A in it.

[0017] Reference numerals in the drawings: 1, sliding frame; 11, pulley; 12, limiting hole; 13, chute; 2, connecting plate; 21, limiting frame; 211, connecting block; 212, connecting shaft; 22, connecting plate; 221, slider; 3, connecting frame; 31, fixing hole; 32, fastener. Specific Embodiments

[0018] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 to the present utility model.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Embodiment

[0021] Please refer to Figures 1 - 4 , a double-wheel insulating pulley according to an embodiment of the present utility model includes a pulley frame 1 and two pulleys 11. Two groups of connecting plates 2 are symmetrically arranged inside the pulley frame 1. A limiting frame 21 is arranged between the two connecting plates 2. The limiting frame 21 is composed of a plurality of connecting blocks 211. One side of each of the two connecting plates 2 is fixedly connected with an adapter plate 22. The adapter plate 22 is slidably connected to the pulley frame 1. An adapter frame 3 is arranged between the other two connecting plates 2. A fixing hole 31 is opened on one side of the adapter frame 3. A fastener 32 is arranged inside the fixing hole 31. A plurality of limiting holes 12 are opened on one side of the pulley frame 1. The adapter frame 3 is detachably connected to the limiting holes 12 through the fastener 32. By providing two connecting plates 2 and the limiting frame 21 therebetween to form a component for limiting the rope sliding on the top of the pulley 11, the two limiting components are connected through the adapter frame 3. The adapter frame 3 is connected and fixed to a certain limiting hole 12 on the pulley frame 1 through the fixing hole 31 and the fastener 32, so as to adjust the position of the limiting component, so that when the top of the pulley 11 passes through ropes of different specifications, the ropes can be limited by the limiting component, so that derailment will not occur during movement. The limiting frame 21 is composed of a plurality of connecting blocks 211 and connecting shafts 212, so that after the limiting frame 21 contacts the top surface of the rope, an arc surface matching the diameter of the rope can be generated, avoiding obstacles during the sliding of the rope and maintaining the stability of the operating rope on it when the pulley is in use.

[0022] One side of the connection plate 22 is fixedly connected with a slider 221. Two chutes 13 are symmetrically arranged on one side of the trolley frame 1. The connection plate 22 is slidably connected with the chutes 13 through the slider 221. By providing the slider 221 and the chutes 13, the connection plate 22 can slide smoothly on the trolley frame 1, enhancing the connection effect between the connection plate 22 and the trolley frame 1, thereby enhancing the support effect on the limiting component.

[0023] Both sides of the connection frame 3 are respectively fixedly connected with the adjacent two connection plates 2. The connection frame 3 is in close contact with the central beam frame on the trolley frame 1. The two limiting components are connected through the connection frame 3. The connection frame 3 is connected and fixed to a certain limiting hole 12 on the trolley frame 1 through the fixing hole 31 and the fastener 32, so as to adjust the position of the limiting component.

[0024] Threads matching the fastener 32 are provided on the inner walls of both the fixing hole 31 and the limiting hole 12. The connection frame 3 is connected and fixed to a certain limiting hole 12 on the trolley frame 1 through the fixing hole 31 and the fastener 32, so as to adjust the position of the limiting component.

[0025] A connecting shaft 212 is arranged between two adjacent connection blocks 211, and two adjacent connection blocks 211 are rotatably connected through the connecting shaft 212. The limiting frame 21 is composed of a plurality of connection blocks 211 and connecting shafts 212, enabling the limiting frame 21 to generate a matching arc surface according to the diameter of the rope after contacting the top surface of the rope, avoiding obstruction during the sliding of the rope.

[0026] The distance between two of the connection plates 2 matches the width of the connecting frame on the center line of the trolley frame 1, and the two connection plates 2 are slidably connected with the trolley frame 1. The connection effect between the two limiting components and the trolley frame 1 is enhanced, and a stable effect is maintained when the position of the limiting component is adjusted.

[0027] Two pulleys 11 are symmetrically arranged on the trolley frame 1, and the pulleys 11 are rotatably connected inside the trolley frame 1. The main structure of the double-wheel insulating trolley is composed of the trolley frame 1 and the two pulleys 11.

[0028] Working principle of the utility model: A set of components for limiting the rope sliding on the top of the pulley 11 is formed by arranging two connecting plates 2 and the limiting frame 21 therebetween. The two sets of limiting components are connected by the connecting frame 3. The connecting frame 3 is fixedly connected to a certain limiting hole 12 on the sliding frame 1 through the fixing hole 31 and the fastener 32, so as to adjust the position of the limiting component. Thus, when the top of the pulley 11 passes through ropes of different specifications, the ropes can be limited by the limiting component, so that derailment will not occur during movement. The limiting frame 21 is composed of a plurality of connecting blocks 211 and connecting shafts 212, so that after the limiting frame 21 contacts the top surface of the rope, an arc surface matching the diameter of the rope can be generated, avoiding obstacles during the sliding of the rope and maintaining the stability of the operating rope on the sliding vehicle when the sliding vehicle is in use.

[0029] The above is the preferred embodiment of the utility model. Those skilled in the art of the utility model can also make changes and modifications to the above embodiment. Therefore, the utility model is not limited to the above specific embodiment. Any obvious improvement, replacement or variation made by those skilled in the art on the basis of the utility model belongs to the protection scope of the utility model.

Claims

1. A double-wheel insulating pulley, characterized in that: The invention comprises a pulley frame (1) and two pulleys (11), wherein two groups of connecting plates (2) are symmetrically arranged inside the pulley frame (1), a limiting frame (21) is arranged between the two connecting plates (2), and the limiting frame (21) is composed of a plurality of connecting blocks (211), wherein one side of the two connecting plates (2) is fixedly connected to a connecting plate (22), and the connecting plate (22) is slidably connected to the pulley frame (1), wherein a connecting frame (3) is arranged between the other two connecting plates (2), a fixing hole (31) is opened on one side of the connecting frame (3), and a fastener (32) is arranged inside the fixing hole (31), and a plurality of limiting holes (12) are opened on one side of the pulley frame (1), and the connecting frame (3) is detachably connected to the limiting hole (12) through the fastener (32).

2. A double-wheel insulating pulley according to claim 1, characterized in that: A sliding block (221) is fixedly connected to one side of the connection plate (22), two sliding grooves (13) are symmetrically provided on one side of the slide frame (1), and the connection plate (22) is slidably connected to the sliding grooves (13) via the sliding block (221).

3. A double-wheel insulating pulley according to claim 1, characterized in that: The two sides of the connecting frame (3) are respectively fixedly connected to the connecting plates (2) on the adjacent two sides, and the connecting frame (3) is tightly fitted with the beam frame located at the center of the pulley frame (1).

4. A double-wheel insulating pulley according to claim 1, characterized in that: The inner walls of the fixing hole (31) and the limiting hole (12) are both provided with threads matching the fastener (32).

5. The double-wheel insulating pulley according to claim 1, characterized in that: A connecting shaft (212) is provided between two adjacent connecting blocks (211), and the two adjacent connecting blocks (211) are rotatably connected via the connecting shaft (212).

6. The double-wheel insulating pulley according to claim 1, characterized in that: The spacing between the two connecting plates (2) matches the width of the connecting frame on the center line of the pulley frame (1), and the two connecting plates (2) are slidably connected to the pulley frame (1).

7. A double-wheel insulating pulley according to claim 1, characterized in that: The two pulleys (11) are symmetrically arranged on the pulley frame (1), and the pulleys (11) are rotatably connected to the inside of the pulley frame (1).

Images