Torsion-stopping spacer ring convenient to install and maintain for wind power cable

Abstract

The utility model discloses a wind power cable twist-stopping spacer ring convenient to install and maintain, which comprises a plurality of plum blossom petals, the inner surface of each plum blossom petal is arc-shaped, and the outer surface of each plum blossom petal is a V-shaped cable installation groove which is recessed towards the inner side; comprising a plurality of arc-shaped baffles, the arc-shaped baffles are spliced to form a limiting ring fixed to the outer surface of the quincuncial disc, and after a cable is installed in the V-shaped cable installation groove, the cable is clamped and fixed to the V-shaped cable installation groove through the inner surface of the limiting ring; comprising V-shaped bushings of different specifications, and the V-shaped bushings can be correspondingly embedded and fixed in the V-shaped cable mounting grooves so as to limit and fix cables of different specifications. Requirements on molds and equipment are low, cost is reduced, it can be guaranteed that the plum disc is high in rigidity and convenient to install, and meanwhile the requirement that one spacer ring structure can be used in the environment of cables of other specifications is met.

Description

Technical Field

[0001] The utility model belongs to the field of wind power cables, and in particular relates to a twist-stop spacer ring for wind power cables which is easy to install and maintain. Background Art

[0002] At present, similar products of twisted cable fixing devices usually adopt two structures: one is to make the plum blossom disk as a whole, and the cables are stuck in the plum blossom grooves respectively. This method has good rigidity of the plum blossom petals, but the disadvantages are also obvious. First, the center hole cannot pass the cable. In addition, the mold is too large, which makes the requirements for injection molding equipment particularly high and the cost is huge. After the product is demolded, it is difficult to control the deformation due to its large size. Another way is to divide the plum blossom petals into several pieces for manufacturing. In this way, the product volume is small, the mold and equipment requirements are low, and the cost is greatly reduced. Then the plum blossom petals are spliced ​​into a whole, and the connection between the plum blossom petals is connected by a pin-type buckle. However, the overall rigidity of the plum blossom disk is weak, and the dimensional accuracy of the plum blossom petals is high, otherwise the plum blossom disk is loose. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a twist-stop spacer ring for wind power cables which is easy to install and maintain, which not only has low requirements on molds and equipment and reduces costs, but also ensures that the plum blossom disk has strong rigidity and is easy to install. At the same time, it also satisfies a spacer ring structure that can be used in environments with cables of other specifications.

[0004] The technical solution of the utility model is: a torsion-stop spacer ring for wind power cables that is easy to install and maintain, comprising a plurality of plum blossom petals, each of which has an arc-shaped inner surface and a V-shaped cable installation groove that is concave toward the inside on the outer surface; a plurality of plum blossom petals are spliced ​​to form a plum blossom disk, the center of the plum blossom disk is a circular structure formed by splicing the arcs of the inner surfaces of the plurality of plum blossom petals, the inner edges and outer edges of the upper and lower surfaces of the plum blossom disk are both protruding, so that the upper and lower surfaces of the plum blossom disk are formed with steel plate bracket installation grooves;

[0005] It includes two steel plate brackets, one steel plate bracket is correspondingly embedded and fixed in the steel plate bracket installation groove on the upper surface of the plum blossom disk, and the other steel plate bracket is correspondingly embedded and fixed in the steel plate bracket installation groove on the lower surface of the plum blossom disk, and each steel plate bracket is composed of two symmetrical left and right steel plates spliced ​​together;

[0006] It comprises a plurality of arc-shaped baffles, which are spliced ​​to form a limiting ring fixed to the outer surface of the plum blossom disk. After the cable is installed in the V-shaped cable installation groove, it is clamped and fixed to the V-shaped cable installation groove through the inner surface of the limiting ring;

[0007] It comprises V-shaped bushings of different specifications, and the V-shaped bushings can be correspondingly embedded and fixed in the V-shaped cable installation groove, so as to limit and fix cables of different specifications.

[0008] Furthermore, it also includes a steel ring, which is an open structure. After being sleeved on the outer surface of the limiting ring, the opening is locked and fixed closed.

[0009] Furthermore, it also includes a plurality of anti-twist bars, one end of each anti-twist bar is fixed to the steel plate bracket, and the other end is fixed to the steel ring.

[0010] Furthermore, the left and right steel plates are connected and fixed at their joints by a connecting plate.

[0011] Furthermore, it comprises a rubber ring, which is formed by splicing two symmetrical left and right semicircular rings and is fixed to the inner surface of the circular structure at the center of the plum blossom disk.

[0012] Furthermore, the number of the plum petals is 10-14.

[0013] The beneficial effects of the utility model are: providing a twist-stop spacer ring for wind power cables which is easy to install and maintain, which has low requirements on molds and equipment, reduces costs, and can also realize the manufacturing of large spacers by dividing them into small pieces.

[0014] The steel plate bracket is correspondingly embedded and fixed in the steel plate bracket installation groove on the surface of the plum blossom disk, ensuring that the steel plate bracket is stuck in the plum petals, so that only the plum petals are in contact with the cable, the steel plate bracket cannot damage the cable, and the rigidity of the plum blossom disk can be ensured. It can effectively solve the rigidity and strength problems after small pieces of plum petals are assembled.

[0015] V-shaped bushings are available in various specifications. Cables of different specifications can be clamped in the V-shaped cable installation groove to realize the use of cable bundles of other specifications. A set of molds can be used for multiple occasions, greatly reducing manufacturing costs.

[0016] The anti-twist spacer ring adopts an assembly method, and the installation is convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the overall structure of the anti-twist spacer ring for wind power cables for easy installation and maintenance;

[0018] Figure 2 A schematic plan view of a twist-stop spacer ring for wind power cables to facilitate installation and maintenance;

[0019] Figure 3 This is a schematic diagram of the structure of plum petals;

[0020] Figure 4 This is a schematic diagram of the structure of plum petals;

[0021] Figure 5 It is a schematic diagram of the structure of the left and right steel plates of the steel plate bracket;

[0022] Figure 6It is a schematic diagram of the V-shaped bushing structure;

[0023] Figure 7 It is a schematic diagram of the V-shaped bushing structure.

[0024] In the figure: 1 is a plum petal, 2 is a steel plate bracket, 3 is an arc baffle, 4 is a steel ring, 5 is a connecting plate, 6 is a V-shaped bushing, 7 is a rubber ring, and 8 is an anti-torsion lever. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-7 As shown, a wind power cable anti-twist spacer ring that is easy to install and maintain includes: Figure 3 , 4 The 12 plum petals 1 shown, two steel plate brackets 2, five arc-shaped baffles 3, and a plurality of Figure 6 , 7 V-shaped bushings 6, rubber rings 7 and steel rings 4 of different specifications are shown.

[0027] Each plum blossom petal 1 has an arc-shaped inner surface and a V-shaped cable installation groove that is concave toward the inside on the outer surface. A plurality of plum blossom petals 1 are spliced ​​together to form a plum blossom disk. The center of the plum blossom disk is a circular structure formed by splicing the arcs of the inner surfaces of the plurality of plum blossom petals 1. The rubber ring 7 is formed by splicing two symmetrical semicircular rings on the left and right and is fixed to the inner surface of the circular structure in the center of the plum blossom disk. The inner and outer edges of the upper and lower surfaces of the plum blossom disk are protruding, so that steel plate bracket installation grooves are formed on the upper and lower surfaces of the plum blossom disk.

[0028] A steel plate bracket 2 is correspondingly embedded and fixed in the steel plate bracket installation groove on the upper surface of the plum blossom disk, and a steel plate bracket 2 is correspondingly embedded and fixed in the steel plate bracket installation groove on the lower surface of the plum blossom disk. Each steel plate bracket 2 is composed of two symmetrical left and right steel plates, and the left and right steel plates are connected and fixed at the joint by a connecting plate 5.

[0029] The five arc-shaped baffles 3 are spliced ​​to form a limit ring fixed to the outer surface of the plum blossom disk. After the cable is installed in the V-shaped cable installation groove, it is clamped and fixed by the inner surface of the limit ring and the V-shaped cable installation groove. The steel ring 4 is an open structure. After being sleeved on the outer surface of the limit ring, the opening is locked and fixed closed.

[0030] The V-shaped bushing 6 can be correspondingly embedded and fixed in the V-shaped cable installation groove, so as to limit and fix cables of different specifications.

[0031] The anti-twist spacer ring also includes a plurality of anti-twist bars 8, one end of which is fixed to the steel plate bracket 2, and the other end is fixed to the steel ring 4. When necessary, the anti-twist bars are installed, and when not necessary, they can be not installed.

[0032] The steel plate bracket is made of two symmetrical left and right steel plates. Therefore, the plum blossom plate can be assembled into two halves of the plum blossom plate and installed with a semicircular ring in advance in the factory workshop. After the cable passes through the center at the construction site, the two halves of the plum blossom plate are connected with a connecting plate, and the plum blossom plate assembly is completed. The arc baffle and steel ring are assembled in sequence to clamp the cable in the plum blossom slot.

[0033] The anti-twist spacer for wind power cable, which is easy to install and maintain, has low requirements for molds and equipment, reduces costs, and can also manufacture large spacers in small pieces. The steel plate bracket is correspondingly embedded and fixed in the steel plate bracket installation groove on the surface of the plum blossom disk, ensuring that the steel plate bracket is stuck in the plum petals. In this way, only the plum petals are in contact with the cable, and the steel plate bracket cannot damage the cable, and the rigidity of the plum blossom disk can be ensured. It can effectively solve the rigidity and strength problems after the small pieces of plum petals are assembled. The V-shaped bushing has a variety of specifications. Cables of different specifications are stuck in the V-shaped cable installation groove, and cable bundles of other specifications can be used. A set of molds can be used for a variety of occasions, greatly reducing manufacturing costs. This anti-twist spacer adopts an assembly method, which is convenient and flexible to install.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A torsion-stop spacer ring for wind power cables that is easy to install and maintain, characterized in that: It comprises a plurality of plum blossom petals (1), each of which has an arc-shaped inner surface and an inwardly recessed V-shaped cable installation groove on its outer surface; the plurality of plum blossom petals (1) are spliced ​​together to form a plum blossom disk, the center of the plum blossom disk being a circular structure formed by splicing the arc-shaped inner surfaces of the plurality of plum blossom petals (1); the inner edges and outer edges of the upper and lower surfaces of the plum blossom disk are both protruding, so that a steel plate bracket installation groove is formed on the upper and lower surfaces of the plum blossom disk; It comprises two steel plate brackets (2), one steel plate bracket (2) is correspondingly embedded and fixed in a steel plate bracket installation groove on the upper surface of the plum blossom disk, and one steel plate bracket (2) is correspondingly embedded and fixed in a steel plate bracket installation groove on the lower surface of the plum blossom disk, and each steel plate bracket (2) is formed by splicing two symmetrical left and right steel plates; It comprises a plurality of arc-shaped baffles (3), wherein the arc-shaped baffles (3) are spliced ​​to form a limiting ring fixed to the outer surface of the plum blossom disk, and after the cable is installed in the V-shaped cable installation groove, it is clamped and fixed to the V-shaped cable installation groove through the inner surface of the limiting ring; It comprises V-shaped bushings (6) of different specifications, and the V-shaped bushings (6) can be correspondingly embedded and fixed in the V-shaped cable installation groove, so as to limit and fix cables of different specifications.

2. The anti-twist spacer ring for wind power cables that is easy to install and maintain according to claim 1 is characterized in that: It also comprises a steel ring (4), which is an open structure and is sleeved on the outer surface of the limiting ring, with the opening thereof being locked and fixed closed.

3. The anti-twist spacer ring for wind power cables that is easy to install and maintain according to claim 2 is characterized in that: It also includes a plurality of anti-twist bars (8), one end of each of the anti-twist bars (8) is fixed to the steel plate bracket (2), and the other end of each of the anti-twist bars (8) is fixed to the steel ring (4).

4. The anti-twist spacer ring for wind power cables that is easy to install and maintain according to claim 1 is characterized in that: The joints of the left and right steel plates are connected and fixed by a connecting plate (5).

5. The anti-twist spacer ring for wind power cables that is easy to install and maintain according to claim 1 is characterized in that: It comprises a rubber ring (7), which is formed by splicing two symmetrical left and right semicircular rings and is fixed to the inner surface of the circular structure at the center of the plum blossom disk.

6. The anti-twist spacer ring for wind power cables that is easy to install and maintain according to claim 1 is characterized in that: The plum petals (1) have 10 to 14 petals.

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