CN110707633A

CN110707633A - Saddle structure with twisting cable limiting function

Info

Publication number: CN110707633A
Application number: CN201911111888.5A
Authority: CN
Inventors: 张�杰; 骆光进; 周扬; 侯承宇; 任涛; 吴冬; 张涛; 张鸿鑫; 欧阳海黎; 仵文松; 郭松龄
Original assignee: China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd
Current assignee: China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-01-17

Abstract

The invention discloses a saddle structure with a cable twisting limiting function, which comprises a transition saddle, a limiting swing arm and a first cable separation assembly, wherein the transition saddle and the limiting swing arm are respectively hinged to two ends of the limiting swing arm, so that the first cable separation assembly only swings in the vertical direction, the transition saddle comprises a support and a cable bridge for carrying a cable, the support is installed on a tower, the limiting swing arm is hinged to the support, and a plurality of cable dividing holes are formed in the first cable separation assembly. The centre gripping is kept apart by the cable separation subassembly to the cable that dangles, has prevented winding and collision between the cable when driftage, and the cable crust can not cause the damage electric leakage because of mutual friction. The cable adopts a three-phase group arrangement mode when arranging, has reduced electromagnetic interference, has guaranteed current transmission quality, and spacing swing arm ensures that the cable only takes place to reciprocate, does not take place to twist reverse or swing, effectively reduces the additional atress of cable when further avoiding the cable wearing and tearing.

Description

Saddle structure with twisting cable limiting function

Technical Field

The invention relates to the technical field of wind power generation, in particular to a saddle structure with a cable twisting and limiting function.

Background

The wind generating set is complex in structure and multiple in risk control points, for example, a tower cable is taken as an example, in the process of yawing wind by the wind generating set, a freely-suspended cable at the upper part is twisted along with yawing of a fan, a cable at the lower part is fixed on the inner wall of the tower through a cable clamp, and when a rotating section and a fixed section are in transition in the conventional design, the cable is disordered and seriously twisted, the cables are mutually worn and induce fire disasters when serious. In addition, the cables are entangled, so that electromagnetic interference is serious, and the current transmission quality is influenced.

Disclosure of Invention

In view of the above, the present invention provides a saddle structure with a cable twisting and limiting function, which realizes stable transition between a cable at a rotating section and a cable at a fixed section, avoids mutual abrasion of the cables, avoids electromagnetic interference due to the arrangement of the cables in a three-phase group, and effectively improves current transmission quality.

The invention solves the technical problems by the following technical means: the invention provides a saddle structure with a cable twisting and limiting function, which comprises a transition saddle, a limiting swing arm and a first cable separation assembly, wherein the transition saddle and the limiting swing arm are respectively hinged to two ends of the limiting swing arm, so that the first cable separation assembly only swings in the vertical direction, the transition saddle comprises a support and a cable bridge for carrying a cable, the support is installed on a tower, the limiting swing arm is hinged to the support, a plurality of wire dividing holes are formed in the first cable separation assembly, and the plurality of wire dividing holes are respectively used for threading of a power cable and a control cable.

Further, the cable bridge is of an arc-shaped structure, and support legs at two ends of the cable bridge are fixedly arranged on the support.

Furthermore, the limiting swing arm is arranged at the middle end of the support, at least two sections of cable bridges are arranged, and the two sections of cable bridges are symmetrically arranged on two sides of the limiting swing arm.

Further, the width of the cable bridge is larger than that of the bracket at the connecting position of the cable bridge and the bracket, and a rubber material for preventing the cable from being abraded is further arranged at the connecting transition position of the cable bridge and the bracket.

Further, the separated time hole includes a plurality of first cable holes and second cable hole, and is a plurality of first cable hole encloses into first ring, and is a plurality of the second cable hole encloses into the second ring, the second ring cover is established at first ring.

Further, first cable hole is used for the threading of control cable, the second cable hole is used for the threading of power cable, power cable adopts the mode of a set of three-phase to pass the second cable hole.

Furthermore, two rotating shafts are symmetrically arranged on the outer layer of the second ring.

Further, spacing swing arm includes first portion and second part, first portion and second part are connected, first portion is articulated through articulated axle with the transition saddle, the second part is the U-shaped frame, two stabilizer blade ends of U-shaped frame are provided with the through-hole respectively, the subassembly is separated to the cable sets up on the through-hole through the pivot is articulated, cable wind subassembly can be in the U-shaped frame luffing motion.

Furthermore, rubber materials used for preventing the cable from being abraded are laid on the inner wall of the wire distributing hole.

The cable separation device comprises a first separation component, a plurality of second separation components and a plurality of second cable separation components, wherein the second cable separation components are the same as the first separation components in structure, the second separation components are parallel to the first separation components, wire separation holes in the second separation components correspond to wire separation holes in the first separation components, the second separation components are arranged above the first separation components, the first separation components and the second separation components are connected through slings, and adjacent second separation components are connected through slings.

According to the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a saddle structure with a cable twisting and limiting function, which comprises a transition saddle, a limiting swing arm and a first cable separation assembly, wherein the transition saddle and the limiting swing arm are respectively hinged to two ends of the limiting swing arm, so that the first cable separation assembly only swings in the vertical direction, the transition saddle comprises a support and a cable bridge for carrying a cable, the support is installed on a tower, the limiting swing arm is hinged to the support, a plurality of wire dividing holes are formed in the first cable separation assembly, and the plurality of wire dividing holes are respectively used for threading of a power cable and a control cable. The centre gripping is kept apart by the cable separation subassembly to the cable that dangles, has prevented winding and collision between the cable when driftage, and the cable crust can not cause the damage electric leakage because of mutual friction. When the cable is arranged, a three-phase (U \ V \ W) group arrangement mode is adopted, electromagnetic interference is reduced, current transmission quality is guaranteed, the limiting swing arm ensures that the cable only moves up and down and does not twist or swing, and additional stress of the cable is effectively reduced while abrasion of the cable is further avoided. The bottom cable separation component, the limiting swing arm and the transition saddle are integrated, and the installation and the maintenance are simple and convenient.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a three-dimensional structure diagram of a saddle structure with cable twisting and limiting functions according to the invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;

FIG. 3 is a partial enlarged view of the position B of FIG. 2;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a perspective view of a transition saddle with cable twisting and limiting functions according to the present invention;

FIG. 6 is a three-dimensional structure diagram of a limiting swing arm with cable twisting limiting function according to the present invention;

fig. 7 is a perspective view of a first cable separation assembly with cable twisting and limiting functions according to the present invention.

Reference numerals:

1-transition saddle; 2-limiting swing arm; 3-a first cable separation assembly; 4-a cable; 5-a second partitioning component; 11-a cable bridge; 12-a scaffold; 111-side plates; 112-circular tube; 21-a first part; 22-a second part; 211-articulated shaft; 221-a through hole; 31-a first cable hole; 32-a second cable hole; 311-a first ring; 321-a second ring; 33-a rotating shaft; 51-sling.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 ~ 7, the invention provides a saddle structure with cable twisting and limiting functions, which comprises a transition saddle 1, a limiting swing arm 2 and a first cable separation component 3, wherein the transition saddle 1 and the limiting swing arm 2 are respectively hinged at two ends of the limiting swing arm 2, so that the first cable separation component 3 only swings in the vertical direction, the transition saddle 1 comprises a support 12 and a cable bridge 11 for carrying cables, the support 12 is installed on a tower, the limiting swing arm 2 is hinged on the support 12, the first cable separation component 3 is provided with a plurality of wire dividing holes, the plurality of wire dividing holes are respectively used for threading the power cables 4 and the control cables, when the cables yaw or untwist along a unit, the cables are lifted/dropped along with the cable separation component under the action of the cable separation component, the cables are separated through the wire dividing holes, but are not twisted, and the abrasion of the cables is effectively avoided, the limiting swing arm 2 ensures that the cable separation component only moves up and down, and the cables do not rotate, thereby ensuring that the cables do not swing back and forth and left and right, reducing the additional cables.

As a further improvement of the above embodiment, the cable bridge 11 is an arc-shaped structure, and the two end legs of the cable bridge 11 are fixedly arranged on the bracket 12. Preferably, the two ends of the cable bridge 11 are set as semi-circular arc-shaped side plates 111, the side plates 111 are fixedly arranged on the bracket 12, the middle of the cable bridge 11 is connected with the side plates 111 at the two ends along the circular arc-shaped through a circular tube 112 to form the circular arc-shaped cable bridge 11, when the cable is placed, the cable is lapped on the circular tube 112, the cable is not damaged and scratched in the moving process,

as a further improvement of the above embodiment, the limiting swing arm 2 is disposed at the middle end of the bracket 12, the cable bridge 11 is provided with at least two segments, the two segments of the cable bridge 11 have the same structure and shape, and the two segments of the cable bridge 11 are symmetrically disposed at two sides of the limiting swing arm 2. The cable bridge 11 is arranged at two symmetrical sections at two sides of the limit swing arm 2, so that cables can form U-shaped shapes at two sides of the limit swing arm 2 when passing through the cables, and the cables can not contact with the limit swing arm 2 to interfere with swing and abrasion of the limit swing arm 2.

As a further improvement of the above embodiment, the width of the cable bridge 11 is greater than the width of the bracket 12 at the connecting position of the cable bridge 11 and the bracket 12, so that the cable can be prevented from being worn on the bracket 12 by setting the width of the cable bridge 11 greater than the width of the bracket 12 at the corresponding position, and the connecting transition between the cable bridge 11 and the bracket 12 is further provided with a rubber material for preventing the cable from being worn. The provision of a rubber material further protects the cable from abrasion on the holder 12.

As a further improvement of the above embodiment, the branching hole includes a plurality of first cable holes 31 and second cable holes 32, the plurality of first cable holes 31 surround a first ring 311, the plurality of second cable holes 32 surround a second ring 321, the second ring 321 is sleeved on the first ring 311, and center lines of the first ring 311 and the second ring 321 coincide. The first cable hole 31 and the second cable hole 32 are respectively surrounded to form a first ring 311 and a second ring 321, and are respectively used for penetrating through the control cable and the power cable 4 to separate the control cable from the control cable, so that electromagnetic interference is reduced, the current transmission quality is ensured, the first cable hole and the second cable hole are surrounded to form a ring shape, the ring is sleeved with the ring, the occupied area is reduced, and the branching is clearer and does not interfere with each other. In the embodiment, 4 first cable holes are used to surround a first ring with a quadrilateral shape, and 8 second cable holes are used to surround a second ring with an octagonal shape outside the first ring.

As a further improvement of the above embodiment, the first cable hole 31 is used for threading of a control cable, the second cable hole 32 is used for threading of a power cable 4, and the power cable 4 passes through the second cable hole 32 in a three-phase group manner. The number of the control cables is small, the control cables are suitable for being arranged in the first cable holes 31 with small number, the number of the power cables 4 is large, the power cables are suitable for being arranged in the second cable holes 32 with large number, and a three-phase U \ V \ W group arrangement mode is adopted when the power cables 4 are arranged, so that the electromagnetic interference is reduced, and the current transmission quality is ensured.

As a further improvement of the above embodiment, two rotating shafts 33 are symmetrically disposed on the outer layer of the second ring 321, the axes of the two rotating shafts 33 pass through the center lines of the first ring 311 and the second ring 321, the limiting swing arm 2 includes a first portion 21 and a second portion 22, the first portion 21 is connected with the second portion 22, the first portion 21 is hinged to the transition saddle 1 through a hinge shaft 211, the width of the first portion 21 is not greater than the distance between two cable bridges 11, and the cable is prevented from touching the limiting swing arm 2 to wear the cable or interfere with the swing of the limiting swing arm 2. Preferably, the hinged part is provided with a bearing, so that the limiting swing arm 2 can swing more flexibly on the transition saddle 1, the second part 22 is a U-shaped frame, the tail ends of two support legs of the U-shaped frame are respectively provided with a through hole 221, the cable separation component is hinged on the through hole 221 through a rotating shaft 33, and the cable wind component can swing up and down in the U-shaped frame. Preferably, a bearing is provided between the rotating shaft 33 and the through hole 221, so that the swing of the cable separation assembly is more flexible. Two symmetrical rotating shafts 33 are arranged, so that the cable separation component is more stable after being installed on the limiting swing arm 2, meanwhile, the second part 22 on the limiting swing arm 2 is arranged to be a U-shaped frame, so that the annular cable separation component can swing up and down on the limiting swing arm 2 stably, the stress of the limiting swing arm 2 is balanced,

as a further improvement of the above embodiment, the inner walls of the wire dividing holes are each laid with a rubber material for preventing abrasion of the cable. The inner walls of all the wire distributing holes are provided with rubber materials, so that damage and electric leakage caused by abrasion of the cables are prevented.

As a further improvement of the above embodiment, the tower further comprises a plurality of second cable separation components, the second cable separation components have the same structure as the first separation components, a plurality of second separation components 5 are parallel to the first separation components, the wire dividing holes on the second separation components 5 correspond to the wire dividing holes on the first separation components, the second separation components 5 are all above the first separation components, the first separation components and the second separation components 5 are connected by slings 51, adjacent second separation components 5 are connected by slings 51, and the uppermost second separation component 5 is connected to the tower by slings 51 to prevent the uppermost second separation component 5 from falling. The second separating component which is the same as the first separating component is arranged at a proper distance, so that the cable can be kept orderly and prevented from being scattered.

During the use, transition saddle 1 is installed on a tower section of thick bamboo through the mounting hole on support 12, and the cable is worn the back from a tower section of thick bamboo below and is round the semicircle shape on the cable bridge 11 to use the ribbon ligature on transition saddle 1, the cable forms the U-shaped section in the both sides of spacing swing arm 2 nature, is passing first cable hole 31 and second cable hole 32 on the cable separation subassembly with control cable and power cable 4 respectively, and uses the ribbon ligature on the cable separation subassembly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a take a structure of saddle of limit function is turned round in area which characterized in that: subassembly (3) is separated including transition saddle (1), spacing swing arm (2) and first cable, the articulated both ends that set up in spacing swing arm (2) respectively of transition saddle (1) and spacing swing arm (2) make subassembly (3) are separated only to swing in vertical direction to first cable, transition saddle (1) is including support (12) and cable bridge (11) that are used for carrying the cable, install on a tower section of thick bamboo support (12), spacing swing arm (2) are articulated to be set up on support (12), set up a plurality of wire distribution holes on first cable separation subassembly (3), it is a plurality of the wire distribution hole is used for power cable (4) and control cable's threading respectively.

2. The saddle structure with the twisting cable limiting function according to claim 1, wherein: the cable bridge (11) is of an arc-shaped structure, and support legs at two ends of the cable bridge (11) are fixedly arranged on the support (12).

3. The saddle structure with the twisting cable limiting function according to claim 2, wherein: the limiting swing arm (2) is arranged at the middle end of the support (12), at least two sections of cable bridges (11) are arranged, and the two sections of cable bridges (11) are symmetrically arranged on two sides of the limiting swing arm (2).

4. The saddle structure with the twisting cable limiting function according to claim 3, wherein: the width of the cable bridge (11) is larger than the width of the bracket (12) at the connecting position of the cable bridge (11) and the bracket (12), and the connecting transition position of the cable bridge (11) and the bracket (12) is also provided with a rubber material for preventing the cable from being abraded.

5. The saddle structure with the twisting cable limiting function according to claim 1, wherein: the separated time hole includes a plurality of first cable hole (31) and second cable hole (32), and is a plurality of first cable hole (31) are enclosed into first ring (311), and are a plurality of second cable hole (32) are enclosed into second ring (321), second ring (321) cover is established on first ring (311).

6. The saddle structure with the twisting cable limiting function according to claim 5, wherein: first cable hole (31) are used for the threading of control cable, second cable hole (32) are used for the threading of power cable (4), power cable (4) adopt a set of mode of three-phase to pass second cable hole (32).

7. The saddle structure with the twisting cable limiting function according to claim 5, wherein: two rotating shafts (33) are symmetrically arranged on the outer layer of the second ring (321).

8. The saddle structure with the twisting cable limiting function according to claim 6, wherein: spacing swing arm (2) include first portion (21) and second part (22), first portion (21) and second part (22) are connected, first portion (21) are articulated through articulated shaft (211) with transition saddle (1), second portion (22) are the U-shaped frame, two stabilizer blade ends of U-shaped frame are provided with through-hole (221) respectively, the subassembly is separated to the cable sets up on through-hole (221) through pivot (33) are articulated, the cable wind subassembly can be in the U-shaped frame luffing motion.

9. The saddle structure with the twisting cable limiting function according to claim 1, wherein: and rubber materials for preventing the cable from being abraded are laid on the inner wall of the wire distributing hole.

10. The saddle structure with the twisting cable limiting function according to claim 1, wherein: the cable separation device is characterized by further comprising a plurality of second cable separation assemblies, the second cable separation assemblies are identical to the first separation assemblies in structure, the second separation assemblies (5) are parallel to the first separation assemblies, wire separation holes in the second separation assemblies (5) correspond to wire separation holes in the first separation assemblies, the second separation assemblies (5) are arranged above the first separation assemblies, the first separation assemblies and the second separation assemblies (5) are connected through slings (51), and adjacent second separation assemblies (5) are connected through slings (51).