Fan cable anti-abrasion device

Abstract

The utility model relates to the technical field of wind power generation equipment, in particular to a fan cable anti-abrasion device. The fan cable anti-abrasion device comprises two connecting arms, the side face of one end of each connecting arm is connected with a clamping plate through a bolt, the other end of each connecting arm is connected with a fixing cylinder, and a branching assembly is rotationally arranged in each fixing cylinder. According to the fan cable anti-abrasion device, through the arrangement of the branching assembly, the cable can be twisted along with deflection of a fan in the use process, so that the branching assembly provided with the cable slides in a sliding groove in the inner wall of a half cylinder through a ball on the branching assembly, and the cable is prevented from being abraded; therefore, mutual abrasion between cables when the fan deflects and air enters from the opening door at the lower part of the tower drum in the prior art is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wind power generation equipment, specifically a fan cable anti-abrasion device. BACKGROUND

[0002] With the continuous progress of wind power generation technology, modern wind turbine generators tend to be large-scale, and accordingly, the cable systems involved in the interior become more complex. The control cables, power cables and communication cables of the wind turbine generator are numerous, especially in the tower drum, there are often suspended cable sections of tens of meters. When the unit is adjusted for yaw, these cables will twist and rub against each other, which not only increases the risk of cable abrasion, but also may affect the stability and safety of the entire power generation system. In addition, the high wind speed environment unique to the wind farm, especially when the wind enters the tower drum from the bottom opening of the wind turbine generator, also exacerbates the left and right shaking of the cables in the tower drum, further increasing the friction and abrasion between the cables.

[0003] In view of this, a fan cable anti-abrasion device is developed to solve the problem of mutual abrasion of cables when they twist and swing under the influence of yaw of the wind turbine generator and wind entering the tower drum. SUMMARY

[0004] In view of the existing problems, the utility model provides a fan cable anti-abrasion device to solve the problem of mutual abrasion of cables when they twist and swing under the influence of yaw of the wind turbine generator and wind entering the tower drum mentioned in the background art.

[0005] To solve the existing problems, the utility model provides a fan cable anti-abrasion device, which comprises two connecting arms, one end of the connecting arm is connected with a clamping plate through bolts on the side surface, the other end of the connecting arm is connected with a fixing cylinder, and a cable distribution assembly is rotatably arranged in the fixing cylinder.

[0006] Specifically, the cable distribution assembly comprises two arc-shaped clamps a, a plurality of balls are rotatably connected to the outer surface of the arc-shaped clamp a, a plurality of semicircular grooves a are formed in the inner surface of the arc-shaped clamp a, a plurality of grooves are arranged on the upper surface close to the inner side of the arc-shaped clamp a, two arc-shaped clamps b are arranged in close contact with the inner side of the arc-shaped clamp a, semicircular grooves b corresponding to the semicircular grooves a are arranged on the outer surface of the arc-shaped clamp b, and a plurality of protrusions matched with the grooves are arranged on the upper surface close to the outer side of the arc-shaped clamp b.

[0007] Specifically, the fixing cylinder is composed of two spliced half cylinders, a fixing lug is fixedly connected to the outer wall surface of the joint edge of each half cylinder, and a through hole a is formed in the fixing lug.

[0008] Further, the other end of the connecting arm is provided with a through hole, and the through hole and the through hole a are connected by inserting and fastening a bolt.

[0009] Further, a sliding groove matched with the ball is formed on the inner wall of the half cylinder.

[0010] Further, the groove and the protrusion are respectively provided with a round hole a and a round hole b, and a screw rod is screwed in the round hole a and the round hole b, and the round hole a is provided with an internal thread matched with the screw thread of the screw rod.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The wind turbine cable wear-preventing device is provided with the wire distribution assembly, and in the use process, the cable will be twisted along with the deflection of the wind turbine, so that the wire distribution assembly provided with the cable is slid in the sliding groove on the inner wall of the half cylinder through the rolling ball, thereby avoiding the mutual wear between the cable lines when the wind turbine is deflected and the tower cylinder is opened to let in the wind. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a working state schematic view of the utility model;

[0014] Figure 2 It is a whole structure schematic view of the utility model;

[0015] Figure 3 It is a fixed cylinder and connecting arm structure schematic view of the utility model;

[0016] Figure 4 It is a wire distribution assembly structure schematic view of the utility model;

[0017] Figure 5 It is a split structure schematic view of the arc-shaped clamp a and the arc-shaped clamp b of the utility model;

[0018] Figure 6 It is a wire distribution assembly partial structure schematic view of the utility model;

[0019] In the drawing: 1, connecting arm; 101, through hole; 2, bolt; 3, clamping plate; 4, fixed cylinder; 401, half cylinder; 4011, sliding groove; 402, fixed ear; 403, through hole a; 5, wire distribution assembly; 501, arc-shaped clamp a; 502, rolling ball; 503, semicircular groove a; 504, groove; 5041, round hole a; 505, arc-shaped clamp b; 506, semicircular groove b; 507, protrusion; 5071, round hole b; 6, fastening bolt; 7, screw rod; DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] Please refer to Figures 1-6 The fan cable wear-preventing device comprises two connecting arms 1, a clamping plate 3 is connected to one end of the connecting arm 1 through a bolt 2, a fixing cylinder 4 is connected to the other end of the connecting arm 1, and a wire distribution assembly 5 is rotatably arranged in the fixing cylinder 4.

[0022] The wire distribution assembly 5 comprises two arc-shaped clamps a501, a plurality of rolling balls 502 are rotatably connected to the outer side surface of the arc-shaped clamp a501, a plurality of semicircular grooves a503 are formed in the inner side surface of the arc-shaped clamp a501, a plurality of grooves 504 are arranged on the upper surface close to the inner side of the arc-shaped clamp a501, two arc-shaped clamps b505 are arranged in close contact with the inner side of the arc-shaped clamp a501, semicircular grooves b506 corresponding to the semicircular grooves a503 are arranged on the outer side surface of the arc-shaped clamp b505, and a plurality of protrusions 507 corresponding to the grooves 504 are arranged on the upper surface close to the outer side of the arc-shaped clamp b505.

[0023] The fixing cylinder 4 is composed of two spliced half cylinders 401, and a fixing lug 402 is fixedly connected to the outer wall surface of the joint edge of each half cylinder 401, and a through hole a403 is formed in the fixing lug 402.

[0024] The other end of the connecting arm 1 is provided with a through hole 101, and the fixing lug 402 and the connecting arm 1 are connected through a plug-in fastening bolt 6 in the through hole 101 and the through hole a403.

[0025] The inner wall of the half cylinder 401 is provided with a sliding groove 4011 corresponding to the rolling ball 502.

[0026] The grooves 504 and the protrusions 507 are respectively provided with a round hole a5041 and a round hole b5071, a screw rod 7 is screwed in the round hole a5041 and the round hole b5071, and an internal thread corresponding to the screw rod 7 is arranged in the round hole a5041.

[0027] Working principle: first through the bolt 2 and connecting arm 1 one end of the fixed installation in the fan tower cylinder ladder two sides, and then the arc clamp b505 each semicircular groove b506 in the card on the cable, and then the arc clamp a501 on the semicircular groove a503 also carded on the cable, at this moment each semicircular groove b506 and corresponding semicircular groove a503 between the card has cable, each cable is separated, at the same time, the protruding block 507 will also be carded in the corresponding recess 504, then the round hole a5041 and round hole b5071 into the plug screw 7 and fasten in place, at this moment the arc clamp a501 and arc clamp b505 connected together, then the two half cylinder 401 sliding groove 4011 carded on the ball 502, and the two half cylinder 401 on the fixed ear 402 through the fastening bolt 6 and the other end of the connecting arm 1 connection, at this moment the installation of the whole wear-resistant device is completed. In the use process, with the deflection of the fan, the cable will follow the twist and drive the installed branch assembly 5 rotation, and then the branch assembly 5 through the ball 502 in the sliding groove 4011 on the inner wall of the half cylinder 401 sliding, thereby avoiding the mutual abrasion between the cable when the tower cylinder bottom door into the wind and the deflection of the fan.

[0028] The above is only the preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in this industry can smoothly implement the present application according to the above description and the drawings shown in the specification; however, any equivalent changes, modifications and evolution made by the skilled in the art without departing from the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application, all still belong to the protection scope of the technical scheme of the present application.

Claims

1. A fan cable anti-wear device, comprising two connecting arms (1), wherein a clamping plate (3) is connected to one end of each connecting arm (1) by bolts (2), characterized in that: The other end of the connecting arm (1) is connected to a fixed cylinder (4), and a branching assembly (5) is rotatably arranged inside the fixed cylinder (4). The splitter assembly (5) includes two arc-shaped clamps a (501). Several balls (502) are rotatably connected to the outer surface of the arc-shaped clamps a (501). Several semi-circular grooves a (503) are opened on the inner surface of the arc-shaped clamps a (501). Several grooves (504) are provided on the upper surface near the inner side of the arc-shaped clamps a (501). Two arc-shaped clamps b (505) are closely attached to the inner side of the arc-shaped clamps a (501). The outer surface of the arc-shaped clamps b (505) is provided with semi-circular grooves b (506) corresponding to the semi-circular grooves a (503). Several protrusions (507) that are adapted to the grooves (504) are provided on the upper surface near the outer side of the arc-shaped clamps b (505).

2. The anti-wear device for fan cables according to claim 1, characterized in that... The fixed cylinder (4) is composed of two spliced ​​half cylinders (401). Each half cylinder (401) has a fixed ear (402) fixedly connected to the outer wall surface of the seam edge. The fixed ear (402) has a through hole a (403).

3. The anti-wear device for fan cables according to claim 2, characterized in that... The other end of the connecting arm (1) is provided with a through hole (101), and the fixing ear (402) and the connecting arm (1) are connected by a fastening bolt (6) inserted into the through hole (101) and through hole a (403).

4. The anti-wear device for fan cables according to claim 3, characterized in that... The inner wall of the semi-cylinder (401) is provided with a groove (4011) that is compatible with the ball (502).

5. A fan cable anti-wear device according to claim 3, characterized in that... The groove (504) and the protrusion (507) are respectively provided with a circular hole a (5041) and a circular hole b (5071). A screw (7) is screwed into the circular hole a (5041) and the circular hole b (5071). An internal thread that matches the thread of the screw (7) is provided in the circular hole a (5041).

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