CN221299383U - Cable clamp for fixing power cable of tower drum of wind turbine generator - Google Patents
Cable clamp for fixing power cable of tower drum of wind turbine generator Download PDFInfo
- Publication number
- CN221299383U CN221299383U CN202323469690.9U CN202323469690U CN221299383U CN 221299383 U CN221299383 U CN 221299383U CN 202323469690 U CN202323469690 U CN 202323469690U CN 221299383 U CN221299383 U CN 221299383U
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- China
- Prior art keywords
- cable
- clamp
- wind turbine
- connecting seat
- cushion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The utility model discloses a cable clamp for fixing a power cable of a tower drum of a wind turbine, which comprises a connecting seat, wherein studs and cushion blocks are respectively arranged on two opposite sides of the connecting seat, two clamping plates which are matched with the cushion blocks to clamp the cable are rotatably arranged on the connecting seat, the two clamping plates are in mirror symmetry relative to the cushion blocks, and screw and nut assemblies for fixing the positions of the two clamping plates are arranged on the two clamping plates. According to the utility model, the cushion block matched with the clamping plate to clamp the cable is arranged on the connecting seat, so that the cushion block and the clamping plate bear the gravity of the cable as a whole, meanwhile, the transverse pressure and the vertical friction force borne by the cable are increased, and the pressing component capable of being connected with the two cable clamps is arranged, so that the gravity of the cable sliding down is used as the thrust for driving the pressing component to push the cable to cling to the clamping plate, further sliding down of the cable can be prevented in time, and the cable sliding down risk is reduced.
Description
Technical Field
The utility model relates to the technical field of wind power, in particular to a cable clamp for fixing a power cable of a tower drum of a wind turbine generator.
Background
The power cables inside the tower barrel of the wind generating set are vertically arranged, three-phase cables are distributed in a delta shape at present, an outer wrapping gripping cable clamp is adopted for fixing, a protrusion is arranged on the contact surface of the cable clamp and the cable for increasing vertical friction force, and transverse embedding extrusion force between the three-phase cables is used as pressure.
Because the effective contact circumference of current cable and cable clamp is less than 180 and all is in the cable outside, fan unit exists vibration or rocks the condition at the operation in-process, and under the circumstances that the insulating layer softens and lateral pressure reduces generates heat in cable self gravity and during operation, the cable easily takes place the gliding condition, leads to cable joint atress to tighten and then leads to the joint to drop, influences unit operation safety and equipment generated energy loss.
Disclosure of utility model
The utility model aims to overcome the defects at present and provide a cable clamp for fixing a power cable of a tower drum of a wind turbine generator, so that the purposes of increasing clamping firmness and reducing the risk of cable slipping are achieved.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a cable clamp for wind turbine tower section of thick bamboo power cable is fixed, includes the connecting seat, opposite both sides are provided with double-screw bolt and cushion respectively on the connecting seat, rotate on the connecting seat and be provided with two splint with cushion cooperation clamp cable, two splint are about cushion mirror symmetry, two be provided with on the splint be used for fixing the screw nut subassembly of two splint positions, two form three supplies three phase cable to lay between splint after passing through screw nut subassembly connection and the cushion, the internal diameter and the cable diameter assorted of cavity, be provided with the subassembly that applies pressure that is used for promoting the cable to hug closely the splint on the cushion.
Further, the pressing assembly comprises connecting rods and pressing blocks, wherein the connecting rods and the pressing blocks are detachably arranged on the cushion blocks, the pressing blocks are three in number and are respectively inserted into the three cavities, at least one annular groove is formed in the connecting rods, the inner diameter of the top of each annular groove is larger than the inner diameter of the bottom of each annular groove, a clamping block inserted into each annular groove is arranged on one side, close to the connecting rods, of each pressing block, the thickness of each clamping block is smaller than the height of each annular groove, a threaded connector is arranged at the bottom of each connecting rod, and the pressing assembly further comprises threaded holes formed in the cushion blocks and used for the connecting rods to penetrate through and be connected with the threaded connectors.
Further, the bump for increasing the contact area and friction force is arranged on the side, which is contacted with the cable, of the cushion block and the clamping plate.
Further, a thread groove matched with the stud is formed in the connecting seat, and the stud is connected with the connecting seat through the thread groove.
Further, the top of the connecting rod is provided with an end plate, and the outer diameter of the end plate is larger than the aperture of the threaded hole.
Further, the connecting rod is provided with a marking line for a user to judge the mounting position of the connecting rod.
The beneficial effects of the utility model are as follows:
According to the utility model, the cushion block matched with the clamping plate to clamp the cable is arranged on the connecting seat, so that the cushion block and the clamping plate bear the gravity of the cable as a whole, meanwhile, the transverse pressure and the vertical friction force borne by the cable are increased, and the pressing component capable of being connected with the two cable clamps is arranged, so that the gravity of the cable sliding down is used as the thrust for driving the pressing component to push the cable to cling to the clamping plate, further sliding down of the cable can be prevented in time, and the cable sliding down risk is reduced.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a structural view of a thread groove of the present utility model;
fig. 3 is an exploded view of the pressing assembly of the present utility model.
In the figure:
1. A connecting seat; 2. a stud; 3. a cushion block; 4. a clamping plate; 5. a screw nut assembly; 6. a pressing assembly; 61. a connecting rod; 62. pressurizing the block; 63. an annular groove; 64. a clamping block; 65. a threaded connector; 66. a threaded hole; 7. a thread groove; 8. end plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model discloses a cable clamp for fixing a power cable of a tower of a wind turbine, which comprises a connecting seat 1, wherein studs 2 and cushion blocks 3 are respectively arranged on two opposite sides of the connecting seat 1, two clamping plates 4 which are matched with the cushion blocks 3 to clamp the cable are rotatably arranged on the connecting seat 1, the two clamping plates 4 are in mirror symmetry relative to the cushion blocks 3, screw nut assemblies 5 for fixing the positions of the two clamping plates 4 are arranged on the two clamping plates 4, three cavities for placing three-phase cables are formed between the two clamping plates 4 and the cushion blocks 3 after the two clamping plates 4 are connected through the screw nut assemblies 5, the inner diameter of each cavity is matched with the diameter of the cable, and a pressing assembly 6 for pushing the cable to be tightly attached to the clamping plates 4 is arranged on the cushion blocks 3.
According to the utility model, the cushion block 3 which is matched with the clamping plate 4 to clamp the cable is arranged on the connecting seat 1, and the pressing component 6 is utilized to push the cable to be tightly attached to the clamping plate 4, so that the cushion block 3 and the clamping plate 4 are used as a whole to bear the gravity of the cable together, meanwhile, the transverse pressure born by the cable is increased, each phase of cable bears vertical friction force within the range of approximately 360 degrees, the occurrence of the cable sliding condition can be effectively prevented, meanwhile, when the cable is electrified, the clamping plate 4 and the cushion block 3 can not form a magnetic closed loop, the normal operation of the cable current is not influenced, and in addition, compared with the existing cable clamp, the production process and the dimensional precision of the cable clamp can be properly reduced, and meanwhile, the outer diameter tolerance of the cable can be properly amplified.
Preferably, the cushion block 3 is an aluminum alloy cushion block, and the screw and nut assembly 5 adopts screws and nuts in the prior art.
In the concrete implementation, the cushion block 3 can be replaced by rubber or nylon materials, the cushion block 3 is not connected with the connecting seat 1, the gravity of the three-phase cable is not borne, only the transverse pressure between the three-phase cables is increased, the friction between the periphery of the cables and the clamping plates 4 is increased, the cable sliding risk can be reduced to a certain extent, and certain manufacturing cost is reduced.
In an embodiment, the pressing assembly 6 includes a connecting rod 61 and pressing blocks 62 detachably disposed on the cushion block 3, the number of the pressing blocks 62 is three and are respectively inserted into the three chambers, at least one annular groove 63 is formed in the connecting rod 61, the top inner diameter of the annular groove 63 is larger than the bottom inner diameter of the annular groove 63, a clamping block 64 inserted into the annular groove 63 is disposed on one side, close to the connecting rod 61, of the pressing block 62, the thickness of the clamping block 64 is smaller than the height of the annular groove 63, a threaded connector 65 is disposed at the bottom of the connecting rod 61, and the pressing assembly 6 further includes a threaded hole 66 formed in the cushion block 3 for the connecting rod 61 to pass through and be connected with the threaded connector 65.
When the cable clamp is used, two cable clamps are mounted on a three-phase cable, then the stud 2 on the cable clamp positioned above is connected with a fixing structure on a wind turbine generator, so that the cable clamp above can support the cable, then the connecting rod 61 is connected with the cushion block 3 on the cable clamp below after passing through the cushion block 3 of the cable clamp above, the clamping block 64 is attached to the lower side of the annular groove 63, when the cable is softened due to heating and slides down from the cable clamp above, the cable clamp below slides down along with the cable, the connecting rod 61 is pulled down, the clamping block 64 is pushed by the connecting rod 61 to move to the chamber side, and the softened cable is pushed to press the clamping plate 4 to prevent the cable from further sliding down.
By means of the design, when one side of the cable slides down, the cable clamp below can transfer force to other cables, stress uniformity is improved, the pressing assembly 6 capable of being connected with the two cable clamps is arranged, the gravity of the cable sliding down is used as the thrust for driving the pressing assembly 6 to push the cable to cling to the clamping plate 4, further sliding of the cable can be prevented in time, and the cable sliding down risk is reduced.
In the implementation, the lower cable clamp does not bear the gravity of the cable, so that the lower cable clamp can be manufactured by changing the production material and thickness and using the same die with the upper cable clamp to reduce the production cost.
In an embodiment, the side of the cushion block 3 and the clamping plate 4, which are contacted with the cable, are provided with the convex blocks for increasing the contact area and the friction force, so that the clamping firmness of the cable clamp on the cable is further improved.
In an embodiment, the connecting seat 1 is provided with a thread groove 7 matched with the stud 2, and the stud 2 is connected with the connecting seat 1 through the thread groove 7.
By the design, the studs 2 on the cable clamps can be disassembled and assembled according to requirements, and when two cable clamps are installed on one group of cables, the studs 2 and the pressing assembly 6 are only required to be installed on the cable clamps above, so that the use cost is further reduced.
In one embodiment, the top of the connecting rod 61 is provided with an end plate 8, the outer diameter of the end plate 8 being larger than the bore diameter of the threaded bore 66.
By means of the design, the distance that the lower cable clamp can move downwards is limited by the end plate 8, when the end plate 8 moves downwards to be in contact with the cushion block 3, the lower cable clamp can replace the upper cable clamp to bear the gravity of a cable, and the effect of preventing the cable from further sliding downwards is achieved.
In an embodiment, the connecting rod 61 is provided with a marking line for a user to judge the installation position of the connecting rod 61, so that the design is convenient for installation of an installer, and meanwhile, when maintenance personnel maintain, the maintenance personnel can judge whether the cable has a sliding problem or not by watching the marking line, so that the maintenance personnel can maintain in time.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In addition, "a plurality of" means two or more.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A cable clamp for wind turbine tower section of thick bamboo power cable is fixed, its characterized in that: including connecting seat (1), opposite both sides are provided with double-screw bolt (2) and cushion (3) respectively on connecting seat (1), rotate on connecting seat (1) and be provided with two splint (4) with cushion (3) cooperation clamp cable, two splint (4) are about cushion (3) mirror symmetry, two be provided with on splint (4) screw nut subassembly (5) that are used for fixed two splint (4) positions, two form three supplies three phase cable to lay between splint (4) after passing through screw nut subassembly (5) connection cavity, the internal diameter and the cable diameter assorted of cavity, be provided with on cushion (3) and be used for promoting the cable to hug closely pressure subassembly (6) of splint (4).
2. The cable clamp for fixing a tower power cable of a wind turbine according to claim 1, wherein: the pressing assembly (6) comprises connecting rods (61) and pressing blocks (62) which are detachably arranged on the cushion block (3), the number of the pressing blocks (62) is three and the pressing blocks are respectively inserted into three cavities, at least one annular groove (63) is formed in the connecting rods (61), the inner diameter of the tops of the annular grooves (63) is larger than the inner diameter of the bottoms of the annular grooves (63), clamping blocks (64) inserted into the annular grooves (63) are arranged on one side, close to the connecting rods (61), of the pressing blocks (62), the thickness of each clamping block (64) is smaller than the height of each annular groove (63), a threaded connector (65) is arranged at the bottom of each connecting rod (61), and the pressing assembly (6) further comprises threaded holes (66) formed in the cushion block (3) and used for the connecting rods (61) to penetrate through and be connected with the threaded connectors (65).
3. The cable clamp for fixing a tower power cable of a wind turbine according to claim 1, wherein: and the side, contacted with the cable, of the cushion block (3) and the clamping plate (4) is provided with a bump for increasing the contact area and friction force.
4. The cable clamp for fixing a tower power cable of a wind turbine according to claim 1, wherein: the connecting seat (1) is provided with a thread groove (7) matched with the stud (2), and the stud (2) is connected with the connecting seat (1) through the thread groove (7).
5. A cable clamp for fixing a tower power cable of a wind turbine according to claim 2, wherein: an end plate (8) is arranged at the top of the connecting rod (61), and the outer diameter of the end plate (8) is larger than the aperture of the threaded hole (66).
6. A cable clamp for fixing a tower power cable of a wind turbine according to claim 2, wherein: the connecting rod (61) is provided with a marking line for a user to judge the installation position of the connecting rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323469690.9U CN221299383U (en) | 2023-12-18 | 2023-12-18 | Cable clamp for fixing power cable of tower drum of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323469690.9U CN221299383U (en) | 2023-12-18 | 2023-12-18 | Cable clamp for fixing power cable of tower drum of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299383U true CN221299383U (en) | 2024-07-09 |
Family
ID=91751160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323469690.9U Active CN221299383U (en) | 2023-12-18 | 2023-12-18 | Cable clamp for fixing power cable of tower drum of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299383U (en) |
-
2023
- 2023-12-18 CN CN202323469690.9U patent/CN221299383U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |