Cable limiting ring with protection structure

Abstract

The utility model discloses a cable limiting ring with a protection structure, which comprises an installation ring, a protection structure and a protection structure, and is characterized in that the top is downwards provided with a step groove; the protection assembly is arranged in the step groove of the mounting ring; the protection assembly comprises a limiting piece and a connecting piece, the limiting piece is concentrically arranged on the inner side of the mounting ring, the cable is sleeved with the limiting piece, so that the cable is limited, and buffering protection is carried out through the limiting piece; the connecting pieces are arranged outside the limiting piece at equal angles, and the ends of the connecting pieces abut against the limiting piece and the inner wall of the step groove respectively. According to the design of the utility model, the conventional fixed limit is changed into movable limit, so that the extrusion between the limit ring and the cable is reduced, the flexible contact and the protection of the commercial power to the cable are realized through the arrangement of the protective rubber ring, the protective rubber ring is of an integrated structure and is convenient to replace, and the overall thickness is relatively thick, the wearing period is relatively long, and the service life of the cable is prolonged. And the replacement period is greatly delayed.

Description

Technical Field

[0001] This utility model belongs to the field of cable limiting ring technology, and specifically relates to a cable limiting ring with a protective structure. Background Technology

[0002] Cables are the only path for transmitting electrical energy in wind turbine generators. Their structural integrity and lifespan directly affect the stability of wind turbine generator operation and power generation. Horizontal axis wind turbine generators are widely used. The nacelle and rotor located at high altitudes have a huge weight. During the operation of the wind turbine yaw system, the nacelle and rotor sway significantly, and the multiple cables connected to them will also swing violently. Cable torsion protection devices are needed to limit the movement of the cables, among which the limit ring is the most widely used structure.

[0003] To reduce cable wear, existing cable retaining rings wrap tape around their surface for flexible contact. However, under the long-term oscillation and impact of the cable, the tape wears out quickly, requiring frequent replacement and resulting in high maintenance costs. Therefore, they have significant limitations in practical use and have room for improvement. Utility Model Content

[0004] The purpose of this invention is to provide a cable limiting ring with a protective structure to solve the problems mentioned in the background art, such as the general protective effect of existing cable limiting rings and the high cost of frequent replacement of protective tape.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cable limiting ring with a protective structure, including a mounting ring with a stepped groove at the top facing downwards; a protective component disposed within the stepped groove of the mounting ring; the protective component includes a limiting member and a connecting member, wherein the limiting member is concentrically disposed on the inner side of the mounting ring and is sleeved on the outside of the cable to limit the cable and provide buffer protection; the connecting member is arranged at equal angles outside the limiting member, and the ends of the connecting member abut against the limiting member and the inner wall of the stepped groove, respectively. When the cable squeezes the limiting member, the connecting member will be compressed by the pressure of the limiting member, thereby enabling the limiting member and the cable to swing within a small range, thus offsetting most of the impact force of the cable and reducing wear.

[0006] Preferably, the limiting component includes a hoop supported by a stepped groove, and a protective rubber ring is embedded inside the hoop. In actual use, the installation stability can be improved by adding glue. The inner side of the protective rubber ring is curved and protrudes to the outside of the mounting ring and the cover ring. In use, the protective rubber ring limits the cable, and the material of the protective rubber ring is soft, which can provide flexible protection for the cable.

[0007] Preferably, the outer surface of the hoop is provided with placement slots at equal angles, one end of the connector is placed in the placement slot, and the other end abuts against the inner wall of the stepped groove.

[0008] Preferably, the connector is a connecting spring, which is completely contained within the stepped groove of the mounting ring to avoid protrusion that could affect subsequent installation.

[0009] Preferably, the top of the mounting ring is also provided with a cover ring, and through holes are opened at equal angles at the edge of the mounting ring. A bolt that passes through the mounting ring is screwed into the through hole to realize the installation of the mounting ring and the cover ring. The inner curved surface of the cover ring coincides with the hoop ring to realize the limiting of the hoop ring.

[0010] Preferably, an mounting plate is also fixed to the outside of the mounting ring. The mounting plate has strip-shaped holes at both ends (not shown in the figure). Fastening bolts pass through the strip-shaped holes. One end of the fastening bolt is a prism-shaped limiting end, and the other end is a threaded part. An adjusting spring is also fitted on the fastening bolt. The adjusting spring abuts against the limiting end and the mounting plate. In use, when the cable drives the protective rubber ring and the clamp ring and squeezes the connecting spring to its maximum value, it will drive the mounting ring to move. At this time, the mounting ring will squeeze the adjusting spring on the fastening bolt to move, thereby achieving the purpose of further buffering and protection.

[0011] Preferably, the adjusting spring is compressed and mounted on the fastening bolt, thereby ensuring that the adjusting spring will only be further compressed when subjected to a force exceeding its own compression state. Under normal conditions, the position of the mounting ring will not change, and the adjusting spring and the surface of the fastening bolt are in contact.

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

[0013] By designing this utility model, the existing fixed limit switch is changed to a movable limit switch, thereby reducing the squeezing between the limit ring and the cable. At the same time, flexible contact is achieved by setting a protective rubber ring, which protects the cable from the mains power. The protective rubber ring is an integrated structure, which is easy to replace. Moreover, due to its overall thickness, the wear cycle is longer, which greatly delays the replacement cycle and improves the shortcomings of the existing conventional limit ring in use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the present invention with the cap ring removed;

[0016] Figure 3 This is a schematic diagram showing the connection between the hoop and the mounting ring of this utility model.

[0017] In the picture:

[0018] 100. Mounting ring; 101. Cover ring; 102. Protective rubber ring; 103. Hoop ring; 104. Connecting spring; 105. Placement slot; 106. Through hole;

[0019] 200. Mounting plate; 201. Fastening bolts; 202. Adjusting spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 3 This utility model provides a technical solution: a cable limiting ring with a protective structure, including...

[0022] The mounting ring 100 has a stepped groove at the top facing downwards;

[0023] The protective component is disposed within the stepped groove of the mounting ring 100; the protective component includes a limiting member and a connecting member, wherein...

[0024] The limiting component is concentrically located inside the mounting ring 100 and is sleeved on the outside of the cable to limit the cable and provide buffer protection.

[0025] The connectors are arranged at equal angles outside the limiting member, and the ends of the connectors abut against the limiting member and the inner wall of the stepped groove, respectively. When the cable squeezes the limiting member, the connectors will be compressed by the pressure of the limiting member, thereby enabling the limiting member and the cable to swing within a small range, thus offsetting most of the impact force of the cable and reducing wear.

[0026] In this embodiment, preferably, the limiting member includes a hoop 103 supported by a stepped groove, and a protective rubber ring 102 is embedded inside the hoop 103. In actual use, the installation stability can be improved by adding glue. The inner side of the protective rubber ring 102 is curved and protrudes to the outside of the mounting ring 100 and the cover ring 101. In use, the protective rubber ring 102 limits the cable. At the same time, the protective rubber ring 102 is made of soft material and can provide flexible protection for the cable.

[0027] In this embodiment, preferably, the outer surface of the hoop 103 is provided with placement slots 105 at equal angles, one end of the connector is placed in the placement slot 105, and the other end abuts against the inner wall of the stepped groove.

[0028] In this embodiment, preferably, the connecting component is a connecting spring 104, which is completely contained within the stepped groove of the mounting ring 100 to avoid protrusion and affecting subsequent installation.

[0029] In this embodiment, preferably, a cover ring 101 is also provided on the top of the mounting ring 100. A through hole 106 is provided at an equal angle at the edge of the mounting ring 100. A bolt that passes through the mounting ring 100 is screwed into the through hole 106 to realize the installation of the mounting ring 100 and the cover ring 101. The inner curved surface of the cover ring 101 partially overlaps with the hoop 103 to limit the position of the hoop 103.

[0030] In this embodiment, preferably, an mounting plate 200 is also fixed to the outside of the mounting ring 100. The mounting plate 200 has strip-shaped holes at both ends (not shown in the figure). A fastening bolt 201 passes through the strip-shaped hole. One end of the fastening bolt 201 is a prism-shaped limiting end, and the other end is a threaded part. An adjusting spring 202 is also sleeved on the fastening bolt 201. The adjusting spring 202 abuts against the limiting end and the mounting plate 200. In use, when the cable drives the protective rubber ring 102 and the clamp ring 103 and squeezes the connecting spring 104 to the maximum value, it will drive the mounting ring 100 to move. At this time, the mounting ring 100 will squeeze the adjusting spring 202 on the fastening bolt 201 to move, thereby achieving the purpose of further buffering and protection.

[0031] In this embodiment, preferably, the adjusting spring 202 is compressed and mounted on the fastening bolt 201, thereby ensuring that the adjusting spring 202 will only be further compressed after being subjected to a force exceeding its own compression state. Under normal conditions, the position of the mounting ring 100 will not change, and the surfaces of the adjusting spring 202 and the fastening bolt 201 are in contact.

[0032] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cable limiting ring with a protective structure, characterized in that: include The mounting ring (100) has a stepped groove at the top facing downwards; The protective component is disposed within the stepped groove of the mounting ring (100); the protective component includes a limiting member and a connecting member, wherein... The limiting member is concentrically arranged inside the mounting ring (100), and the limiting member is sleeved on the outside of the cable; The connectors are arranged at equal angles outside the limiting member, and the ends of the connectors abut against the limiting member and the inner wall of the stepped groove, respectively.

2. A cable retaining ring with a protective structure according to claim 1, characterized in that: The limiting member includes a hoop (103) supported by a stepped groove, and a protective rubber ring (102) is embedded inside the hoop (103). The inner side of the protective rubber ring (102) is curved and protrudes to the outside of the mounting ring (100) and the cover ring (101).

3. A cable retaining ring with a protective structure according to claim 2, characterized in that: The outer surface of the hoop (103) is provided with placement slots (105) at equal angles. One end of the connector is placed in the placement slot (105), and the other end abuts against the inner wall of the stepped groove.

4. A cable retaining ring with a protective structure according to claim 3, characterized in that: The connector is a connecting spring (104), which is entirely contained within the stepped groove of the mounting ring (100).

5. A cable retaining ring with a protective structure according to claim 3, characterized in that: The top of the mounting ring (100) is also provided with a cover ring (101). A through hole (106) is provided at an equal angle at the edge of the mounting ring (100). A bolt that passes through the mounting ring (100) is screwed into the through hole (106). The inner curved surface of the cover ring (101) partially overlaps with the hoop (103).

6. A cable retaining ring with a protective structure according to claim 1, characterized in that: An mounting plate (200) is also fixed to the outside of the mounting ring (100). The mounting plate (200) has strip-shaped holes at both ends. A fastening bolt (201) passes through the strip-shaped hole. One end of the fastening bolt (201) is a prism-shaped limiting end, and the other end is a threaded part. An adjusting spring (202) is also sleeved on the fastening bolt (201). The adjusting spring (202) abuts against the limiting end and the mounting plate (200).

7. A cable retaining ring with a protective structure according to claim 6, characterized in that: The adjusting spring (202) is compressed and mounted on the fastening bolt (201), and the adjusting spring (202) and the surface of the fastening bolt (201) are in contact.

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