Cable protection structure of wind driven generator

Abstract

The utility model relates to a cable protection structure of a wind driven generator. According to the technical scheme, a support is fixedly installed on one side of the fan escalator, a protection assembly is fixedly installed on the right side of the upper end of the support and comprises a left semicircular ring and a right semicircular ring, the rear ends of the left semicircular ring and the right semicircular ring are hinged together, and fixing lugs are arranged on the outer side walls of front end openings of the left semicircular ring and the right semicircular ring respectively and fixedly connected through inserting fastening bolts. Through holes are formed in the inner wall of the circumference formed by the left semicircular ring and the right semicircular ring in a circumferential array mode, buffering pins are movably inserted into the through holes, the two ends of each buffering pin are movably sleeved with springs respectively, the inward ends of the buffering pins inserted into the left semicircular ring and the right semicircular ring are fixedly connected with the outer sides of the semicircular columns respectively, and the portions, between the adjacent buffering pins, of the semicircular columns are movably sleeved with buffering rubber sleeves respectively. The fixing device has the advantages that the cable harness is fixed and prevented from being in frictional contact with the fan escalator, meanwhile, vibration of the cable is eliminated, and direct vibration of the fan escalator is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wind driven generator cable protection technical field relates to a wind driven generator cable protection structure. BACKGROUND

[0002] In the field of wind power generation, the cable of the wind turbine extends from the nacelle to the bottom of the tower, and the number of cables is large. The U-shaped bending part of the cable causes mutual friction between the cable and the fan ladder due to cable twisting, which causes the cable insulation layer to be damaged due to severe wear and tear. At the same time, the vibration of the cable is transmitted to the fan ladder, further aggravating the loosening of the bolts on the fan ladder. After searching, Chinese patent CN217652866U discloses a wind driven generator cable protection device, which comprises a U-shaped nut, the end of which is sleeved with a gasket, the gasket is provided with two groups of mutually symmetrical distribution, the end of the U-shaped nut close to the gasket is threadedly connected with a nut, the nut is provided with two groups of mutually symmetrical distribution, the connection mode of the fan ladder and the protection cover is fixedly connected through the nut and the U-shaped nut, and the side wall of the protection cover away from the fan ladder abuts against the cable. The above-mentioned patent realizes the direct contact between the cable and the fan ladder, but there is still mutual friction between the protection cover and the cable. Long-term use will still cause wear and tear of the cable. At the same time, the vibration of the cable is directly transmitted to the fan ladder through the protection cover, which may cause the bolts on the upper part of the fan ladder to loosen, affecting the stability and safety.

[0003] Therefore, the utility model provides a wind driven generator cable protection structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model discloses a wind driven generator cable protection structure, which adopts the technical scheme of comprising a fan ladder, a support is fixedly installed on one side of the fan ladder, a protection assembly is fixedly installed on the right side of the upper end of the support, the protection assembly comprises two semicircular rings hingedly connected together at the rear ends, fixed ears are respectively arranged on the outer side walls of the front end openings of the semicircular rings, the fixed ears are fixedly connected through plug-in fastening bolts, through holes are arranged in the circumferential inner walls of the semicircular rings formed by the semicircular rings, buffer pins are movably inserted into the through holes, springs are movably sleeved on the two ends of the buffer pins, the inward ends of the buffer pins movably inserted into the semicircular rings are fixedly connected with the outer sides of the semicircular column, and buffer rubber sleeves are movably sleeved on the semicircular column between the adjacent buffer pins.

[0005] As a preferred scheme of the utility model, the support includes oppositely arranged L-shaped side arms, reinforcing ribs are fixedly connected between the upper and lower side arms of the L-shaped side arms, horizontal arms of the front and rear L-shaped side arms are fixedly connected with the middle parts of the opposite sides, mounting holes are formed on the upper surfaces of the right ends of the horizontal arms of the front and rear L-shaped side arms, and three groups of mounting holes are formed on the upper surface of the horizontal beam from front to back.

[0006] As a preferred scheme of the utility model, the front and rear openings of the left and right semicircular columns correspond to the front and rear opening positions of the left and right semicircular rings; in this way, the left and right semicircular rings and the left and right semicircular columns can be conveniently opened synchronously, the cable harness is pressed and mounted in the semicircular columns, and the convenience of the harness mounting is improved.

[0007] As a preferred scheme of the utility model, the semicircular rings on the left side opposite the upper part of the mounting hole are respectively tapped downward to insert and mount the fastening bolts.

[0008] As a preferred scheme of the utility model, the diameter of the buffer rubber sleeve is 2-5 cm larger than the thickness of the semicircular ring; in this way, the buffer rubber sleeve can be made to protrude from the upper and lower ends of the semicircular ring, so that the cable sleeved in the left and right semicircular rings is prevented from being scratched by the edges of the semicircular rings.

[0009] As a preferred scheme of the utility model, the outward ends of the buffer pins are respectively fixedly provided with spring retaining rings.

[0010] The utility model discloses the beneficial effect that: through adopting the semicircular ring of left and right hinged, the semicircular ring is arranged in the circumferential array with a plurality of buffer pins, the front and rear ends of the buffer pin are respectively sleeved with the spring, the inward end of the buffer pin is fixedly connected with the semicircular column, the semicircular column is sleeved with the buffer rubber sleeve, the cable harness of the generator is sleeved in the left and right semicircular columns after being tied, the buffer rubber sleeve and the outer layer of the cable are extruded and contacted, so that the fixing of the cable harness of the generator is realized, the cable harness and the fan escalator are prevented from being scratched and rubbed, simultaneously, the cable harness of the generator is vibrated along with the tower vibration, the cable harness drives the semicircular column to vibrate, the semicircular column is buffered through the buffer pin and the spring inside and outside, and the vibration is resolved, the vibration brought to the fan escalator is further weakened, and the stability and safety of the fan escalator are improved. ACCURACY OF DRAWINGS

[0011] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0012] Fig. 2 It is the support schematic diagram of the utility model;

[0013] Fig. 3 It is the protection assembly schematic diagram of the utility model;

[0014] Fig. 4The utility model discloses a half circular ring and half circular column assembly schematic view of protection assembly.

[0015] In the drawing: 1 - fan escalator, 2 - support, 3 - protection assembly, 21 - L type side arm, 22 - reinforcing rib, 23 - crossbeam, 24 - mounting hole, 31 - half circular ring, 311 - fixed lug, 32 - buffer pin, 321 - spring stop ring, 33 - spring, 34 - half circular column, 35 - buffer rubber sleeve. DETAILED DESCRIPTION

[0016] Example 1

[0017] As Figs. 1 to 4 shown, the utility model discloses a wind driven generator cable protection structure adopts the technical scheme, including fan escalator 1, one side fixed mounting support 2 of fan escalator 1, support 2 includes oppositely arranged L type side arm 21, and the upper and lower two sides of L type side arm 21 are fixedly connected with reinforcing rib 22, and the middle part of the opposite side of the horizontal arm of front and back L type side arm 21 is fixedly connected with crossbeam 23, and the right end upper surface of the horizontal arm of front and back L type side arm 21 is provided with mounting hole 24, the upper surface of crossbeam 23 is provided with three groups of mounting holes 24 from front to back, and the left side of the upper part of mounting hole 24 is respectively provided with a hole downward plug-in fastening bolt, and the upper end right side of support 2 is fixedly installed with protection assembly 3, and protection assembly 3 includes two half circular rings 31 hinged together at the left and right rear ends, and the outer side wall of the front opening of the left and right half circular rings 31 is respectively provided with fixed lug 311, and the left and right fixed lugs 311 are fixedly connected by plug-in fastening bolt, and the circumferential wall of the circumference formed by the left and right half circular rings 31 is respectively provided with through hole, and buffer pin 32 is movably inserted in the through hole, and the outward end of buffer pin 32 is respectively provided with spring stop ring 321, and the two ends of buffer pin 32 are respectively movably sleeved with spring 33, and the inward end of the buffer pin 32 movably inserted in the left and right half circular rings 31 is respectively fixedly connected with the outer side of half circular column 34, and the front and back openings of the left and right half circular columns 34 correspond to the front and back openings of the left and right half circular rings 31, and buffer rubber sleeve 35 is movably sleeved on the half circular column 34 between adjacent buffer pins 32, and buffer rubber sleeve 35 adopts high elastic insulating rubber material, and the diameter of buffer rubber sleeve 35 is 2-5cm larger than the thickness of the upper and lower half circular rings 31.

[0018] The utility model discloses a working principle: in use, the device is laid 2-3 groups on the fan escalator 1 with the interval of 50cm, the fastening bolt in the left and right fixed lug 311 of each group is screwed off, the semicircle ring 31 of right side is opened, the cable harness after bundling is sleeved into the area between the buffer rubber sleeve 35, then the semicircle ring 31 of right side is closed, the fastening bolt in the left and right fixed lug 311 is locked, the cable harness is fixed, in the process of long -term use, the cable harness is bound in the protection component 3, avoids the friction scratch between fan escalator 1, simultaneously, the vibration of cable harness can be solved in the elastic potential of spring 33 through the cooperation of the semicircle ring column 34 and buffer pin 32 of left and right, thereby avoids directly transmitting the vibration to fan escalator 1.

[0019] The electrical connection mode or structure not described in detail in the present document is prior art.

[0020] Although the specific embodiments of the utility model have been described in detail above, the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model, and the modification or deformation without creative labor is still within the protection range of the utility model.

Claims

1. A wind turbine cable protection structure comprising a wind turbine ladder (1), characterised in that: The fan escalator (1) is fixedly installed on one side of the support (2), the protection assembly (3) is fixedly installed on the right upper end of the support (2), the protection assembly (3) comprises two left and right half circular rings (31) hingedly connected together at the rear ends, the outer side walls of the front ends of the left and right half circular rings (31) are respectively provided with fixed ears (311), the left and right fixed ears (311) are fixedly connected by plug-in fastening bolts, the circumferential inner walls of the left and right half circular rings (31) are respectively provided with through holes in an array, the through holes are movably inserted with buffer pins (32), the two ends of the buffer pin (32) are respectively movably sleeved with springs (33), the inward ends of the buffer pins (32) movably inserted in the left and right half circular rings (31) are respectively fixedly connected with the outer sides of half circular ring columns (34), and the half circular ring columns (34) between the adjacent buffer pins (32) are respectively movably sleeved with buffer rubber sleeves (35).

2. A wind turbine cable protection structure according to claim 1, characterised in that: The support (2) comprises front and rear oppositely arranged L-shaped side arms (21), the upper and lower side arms of the L-shaped side arms (21) are fixedly connected with reinforcing ribs (22), the middle parts of the opposite sides of the horizontal arms of the front and rear L-shaped side arms (21) are fixedly connected with cross beams (23), the right end upper surfaces of the horizontal arms of the front and rear L-shaped side arms (21) are provided with mounting holes (24), and the upper surfaces of the cross beams (23) are provided with three groups of mounting holes (24) from front to back.

3. A wind turbine cable protection arrangement according to claim 2, characterised in that: The left half circular rings (31) opposite to the upper parts of the mounting holes (24) are respectively provided with downward plug-in fastening bolts.

4. A wind turbine cable protection structure according to claim 1, characterised in that: The front and rear openings of the left and right half circular ring columns (34) correspond to the front and rear openings of the left and right half circular rings (31) in position.

5. A wind turbine cable protection structure according to claim 1, characterised in that: The diameters of the buffer rubber sleeves (35) are 2-5 cm larger than the thicknesses of the left and right half circular rings (31).

6. A wind turbine cable protection structure according to claim 1, characterised in that: The outward ends of the buffer pins (32) are respectively fixedly provided with spring stop rings (321).

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