CN215419331U - Bracket of insulating drainage wire - Google Patents

Bracket of insulating drainage wire Download PDF

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Publication number
CN215419331U
CN215419331U CN202121729718.6U CN202121729718U CN215419331U CN 215419331 U CN215419331 U CN 215419331U CN 202121729718 U CN202121729718 U CN 202121729718U CN 215419331 U CN215419331 U CN 215419331U
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CN
China
Prior art keywords
buckle
screw rod
hinged
support
bracket
Prior art date
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Active
Application number
CN202121729718.6U
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Chinese (zh)
Inventor
张世国
杨帆
冯祥勋
廖志华
吴兆磊
蔡晓军
李伟新
蔡俊宇
陈明峰
林加评
徐世杰
郑慧君
林海斌
朱超群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority to CN202121729718.6U priority Critical patent/CN215419331U/en
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Publication of CN215419331U publication Critical patent/CN215419331U/en
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Abstract

The utility model relates to a bracket for insulating a drainage wire, which comprises a horizontal main wire groove and a support frame, wherein the upper ends of the two support frames are hinged on the main wire groove; the upper end of the main line groove is arranged in an open manner; a shaft seat is fixed in the middle of the lower end of the main wire groove; the two support frames are respectively arranged on two sides of the shaft seat in a mirror symmetry mode along the length direction of the main wire groove; the supporting frame comprises supporting legs and an adjusting mechanism which is hinged with the supporting legs in an X-shaped cross manner; the upper ends of the support legs are hinged with the main line groove, and the lower parts of the support legs are provided with limit grooves which can be attached to the periphery of the cross arm; the adjusting mechanism comprises a buckle and an adjusting screw rod; the upper end of the adjusting screw rod is hinged with the shaft seat, and the lower end of the adjusting screw rod is connected with the upper end of the buckle; the middle part of the buckle is hinged with the support leg, and the lower end of the buckle is provided with a hook clamp; the hook clamp can be hooked on the inner side of the cross arm.

Description

Bracket of insulating drainage wire
Technical Field
The utility model relates to a bracket for an insulated drainage wire, belonging to the technical field of live overhead line maintenance.
Background
The on-load operation means that the on-load equipment maintenance operation is completed under the conditions that a power user does not stop power supply and the load of a power grid is not lost. When the distribution network live working process is carried out, the equipment with the insulated drainage wire is often needed, but when the insulated drainage wire is used, the insulated outer skin of the insulated drainage wire cannot directly contact with the cross arm, and extra insulation shielding is needed. The insulated drainage wire is a key tool for load transfer in a load-carrying operation, and the measures for fixing and preventing the insulated drainage wire from swinging are particularly important.
When the insulated drainage wire is used, because two ends of the insulated drainage wire are connected in the voltage class of 10kV, the insulated outer skin can not directly contact with a grounding body, and extra insulated shielding is needed, when the insulated drainage wire is used for operation, an insulated blanket is used for insulated shielding on a path through which the insulated drainage wire passes, and reliable isolation between the insulated drainage wire and different potentials is ensured. In addition, because the insulated drainage wire has certain weight, when the insulated drainage wire is connected on a 10kV overhead line, in order to prevent the wire clamp of the insulated drainage wire from being stressed too much, the insulated drainage wire must be reliably fixed at a proper position. At present, the insulating rope is mainly adopted to hang the cable on a 10kV overhead line.
However, the above method has the following disadvantages:
(1) when the existing insulated drainage wire is operated, the surrounding charged body and the grounding body (a rubber pad or an insulating blanket) need to be shielded in an insulating way, and the shielding process takes a long time.
(2) When the surrounding charged body and the grounding body are shielded, the phenomenon of loose shielding can occur, and potential safety hazards exist.
(3) When the insulated drainage wire is fixed on the conductor by the insulated rope, the risk of slipping, dislocation and the like caused by infirm binding is possible.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the utility model provides the bracket for the insulated drainage wire, which has a simple structure, is light and flexible, simplifies the insulating shielding step, and can reliably support the insulated drainage wire; meanwhile, the fixing effect is good, the anti-swing effect is remarkable, the situation that the safety distance is insufficient due to the swing of the insulating drainage wire can be prevented, and the working efficiency and the safety and reliability are improved.
The technical scheme of the utility model is as follows:
a bracket for insulating a drainage wire comprises a horizontal main wire groove and a support frame, wherein the upper ends of the two support frames are hinged on the main wire groove; the upper end of the main line groove is arranged in an open manner; a shaft seat is fixed in the middle of the lower end of the main wire groove; the two support frames are respectively arranged on two sides of the shaft seat in a mirror symmetry mode along the length direction of the main wire groove; the supporting frame comprises supporting legs and an adjusting mechanism which is hinged with the supporting legs in an X-shaped cross manner; the upper ends of the support legs are hinged with the main line groove, and the lower parts of the support legs are provided with limit grooves which can be attached to the periphery of the cross arm; the adjusting mechanism comprises a buckle and an adjusting screw rod; the upper end of the adjusting screw rod is hinged with the shaft seat, and the lower end of the adjusting screw rod is connected with the upper end of the buckle; the middle part of the buckle is hinged with the support leg, and the lower end of the buckle is provided with a hook clamp; the hook clamp can be hooked on the inner side of the cross arm.
Furthermore, the adjusting screw rod comprises an outer sleeve, a right-handed nut, a ring head screw rod, a left-handed nut and a column cap screw rod; the right-handed nut and the left-handed nut are respectively fixed at the upper end and the lower end of the inner periphery of the outer sleeve; the ring head screw rod and the column head screw rod are both positioned in the outer sleeve; the ring head screw rod is in threaded connection with the right-handed nut; the upper end of the ring head screw rod penetrates out of the right-handed nut and then is fixed with a ring; the ring is rotationally fixed in the middle of a connecting shaft, and two ends of the connecting shaft are fixed on the shaft seat; the column cap lead screw is in threaded connection with the left-hand thread nut; the lower end of the column head screw penetrates out of the left-hand nut and is fixed with the middle part of a pin shaft; and the two ends of the pin shaft are connected with the upper ends of the buckles.
Furthermore, the buckle comprises two clamping plates which are arranged in parallel at intervals; the upper end of the clamping plate is provided with a clamping groove; two ends of the pin shaft are respectively clamped in the clamping grooves of the two clamping plates; the hook clamp is positioned at the lower end of the buckle; two ends of a main shaft respectively transversely penetrate through the middle parts of the two clamping plates and then are connected with the supporting legs.
Furthermore, the supporting legs comprise two supporting plates which are arranged in parallel at intervals; the upper ends of the two support plates are respectively hinged to the two outer sides of the main wire casing; the limiting groove is positioned at the lower part of the support plate; the buckle is positioned between the two support plates; the tail end of the main shaft is connected with the support plate.
Furthermore, a limiting sleeve is arranged between the support plate and the clamping plate and sleeved on the main shaft; and a limiting sleeve is arranged between the ring and the shaft seat and sleeved on the connecting shaft.
Furthermore, two ends of the inner side of the main wire groove are respectively sleeved with an auxiliary wire groove in a sliding manner.
Furthermore, a plurality of connecting rods are fixed between the two clamping plates at intervals.
Furthermore, the sections of the main wire groove and the auxiliary wire groove are concave.
The utility model has the following beneficial effects:
1. the bracket of the insulated drainage wire has a simple structure, is light and flexible, simplifies the insulating shielding step, and can reliably support the insulated drainage wire; meanwhile, the fixing effect is good, the anti-swing effect is remarkable, the situation that the safety distance is insufficient due to the swing of the insulating drainage wire can be prevented, and the working efficiency and the safety and reliability are improved.
2. The support frame utilizes mechanical structure, from inside and outside both sides, total four points (stabilizer blade, buckle of homonymy all are provided with two) press from both sides tight cross arm, and the four point is fixed provides sufficient intensity, can resist and rock about, sway the front and back. The positioning is carried out by the adjusting mechanism, and the limiting groove and the hook clamp are very stable after being clamped on the cross arm; the limit groove, the hook clamp and the cross arm are matched in shape and can be firmly fixed.
3. The adjusting screw rod can convert rotary motion into linear motion or convert linear motion into rotary motion, and the length can be adjusted (shortened or prolonged) by rotating the adjusting screw rod. The angle of the rotation of the buckle can be controlled by utilizing a mechanical structure through adjusting the positive rotation and the reverse rotation of the lead screw, and the opening and closing angle of the hook clamp is adjusted, so that the hook clamp is fixed or the cross arm is released.
4. This bracket structure of insulating drainage wire is simple, and small in size not only conveniently accomodates, also conveniently carries when carrying out power maintenance moreover, can not cause too big burden to the staff.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a schematic structural view of the support frame.
Fig. 6 is a front view of fig. 5.
Fig. 7 is a schematic structural diagram of the adjustment mechanism.
Fig. 8 is a schematic view of the internal structure of the adjusting screw.
The reference numbers in the figures denote:
1. a main wire slot; 11. an auxiliary wire slot; 12. a shaft seat; 2. a support leg; 21. a support plate; 22. a limiting groove; 23. an adjustment mechanism; 3. buckling; 31. clamping a plate; 32. hooking and clamping; 33. a main shaft; 34. a card slot; 35. a limiting sleeve; 36. a connecting rod; 4. adjusting the lead screw; 41. an outer sleeve; 42. a right-handed nut; 43. a ring head screw rod; 44. a loop; 45. a connecting shaft; 46. a left-hand nut; 47. a column head lead screw; 48. a pin shaft; 5. and (4) a cross arm.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1-8, an insulating bracket for a drainage wire comprises a horizontal main wire groove 1 and a support frame with two upper ends hinged on the main wire groove 1; the upper end of the main wire slot 1 is arranged in an open manner; a shaft seat 12 is fixed in the middle of the lower end of the main wire casing 1; the two support frames are respectively arranged on two sides of the shaft seat 12 in a mirror symmetry manner along the length direction of the main wire casing 1; the support frame comprises a support leg 2 and an adjusting mechanism 23 which is hinged with the support leg 2 in an X-shaped cross manner; the upper ends of the support legs 2 are hinged with the main wire casing 1, and the lower parts of the support legs are provided with limiting grooves 22 which can be attached to the periphery of the cross arm 5; the adjusting mechanism 23 comprises a buckle 3 and an adjusting screw rod 4; the upper end of the adjusting screw rod 4 is hinged with the shaft seat 12, and the lower end of the adjusting screw rod is connected with the upper end of the buckle 3; the middle part of the buckle 3 is hinged with the support leg 2, and the lower end of the buckle is provided with a hook clamp 32; the hooking jaw 32 can hook inside the cross arm 5.
According to the above description, the bracket for insulating the drainage wire mainly comprises a main wire casing 1 and two supporting frames symmetrically arranged on two sides of a shaft seat 12. The main wire casing 1 upper end is opened the setting, opens the end and can place insulating drainage wire in. The shaft seat 12 is fixed at the lower end of the middle part of the main wire casing 1, and two sides of the shaft seat are respectively hinged with a supporting frame which can be fixed on the cross arm 5. The support frame comprises a support leg 2 and an adjusting mechanism 23, and the support leg 2 and the adjusting mechanism 23 are hinged in an X-shaped cross manner. The upper end of the support leg 2 is hinged on the main wire casing 1, the lower part of the support leg is provided with a limiting groove 22, and the limiting groove 22 is matched with the periphery of the cross arm 5 in shape and can be stuck and clamped on the outer side of the cross arm 5. The adjusting mechanism 23 comprises a buckle 3 and an adjusting screw rod 4; the upper end of the adjusting screw rod 4 is hinged with the shaft seat 12, and the lower end of the adjusting screw rod is detachably fixed with the upper end of the buckle 3; the middle part of the buckle 3 is hinged with the support leg 2, the lower end is provided with a hook clamp 32, and the hook clamp 32 can be hooked on the inner side of the cross arm 5.
In particular, the support frame utilizes a mechanical structure to clamp the cross arm 5 from the inner side and the outer side and four points (two pieces are arranged on the support legs 2 and the buckles 3 on the same side), and the four points are fixed to provide enough strength and resist left-right shaking and front-back swinging. The positioning is carried out by the adjusting mechanism 23, the limiting groove 22 and the hook clamp 32 are clamped on the cross arm 5, the stability is very high, and the limiting groove 22 and the hook clamp 32 are matched with the shape of the cross arm 5 and can be firmly fixed. The adjusting screw rod 4 can convert the rotary motion into the linear motion, or convert the linear motion into the rotary motion, and the length can be adjusted (shortened or prolonged) by rotating the adjusting screw rod 4. By adjusting the positive rotation and the negative rotation of the screw rod 4, the rotating angle of the buckle 3 can be controlled by using a mechanical structure, and the opening and closing angle of the hook clamp 32 is adjusted, so that the hook clamp 32 fixes or releases the cross arm 5.
Further, the adjusting screw rod 4 comprises an outer sleeve 41, a right-handed nut 42, a ring head screw rod 43, a left-handed nut 46 and a column head screw rod 47; the right-handed nut 42 and the left-handed nut 46 are respectively fixed at the upper end and the lower end of the inner periphery of the outer sleeve 41; the ring head screw rod 43 and the column head screw rod 47 are both positioned in the outer sleeve 41; the ring head screw rod 43 is in threaded connection with the right-handed nut 42; the upper end of the ring head screw rod 43 penetrates out of the right-handed nut 42 and then is fixed with a ring 44; the ring 44 is rotationally fixed in the middle of a connecting shaft 45, and both ends of the connecting shaft 45 are fixed on the shaft seat 12; the column cap lead screw 47 is in threaded connection with the left-hand nut 46; the lower end of the column head screw rod 47 penetrates through the left-hand nut 46 and is fixed with the middle part of a pin shaft 48; the two ends of the pin shaft 48 are connected with the upper end of the buckle 3.
According to the above description, the adjusting screw 4 mainly comprises an outer sleeve 41, a turnbuckle nut 42, a ring head screw 43, a turnbuckle nut 46 and a stud screw 47. By rotating the outer sleeve 41, the outer sleeve 41 can move along the ring head screw 43 or the column head screw 47. The right-handed nut 42 is matched with the ring head screw 43 and can control the hook clamp 32 to be closed, so that the hook clamp 32 clamps the cross arm 5; the back-off nut 46 is engaged with the stud screw 47, and can control the opening of the hook clamp 32, so that the hook clamp 32 releases the cross arm 5.
Further, the buckle 3 comprises two clamping plates 31 arranged in parallel at intervals; the upper end of the clamping plate 31 is provided with a clamping groove 34; two ends of the pin shaft 48 are respectively clamped in the clamping grooves 34 of the two clamping plates 31; the hook clamp 32 is positioned at the lower end of the buckle 3; two ends of a main shaft 33 respectively transversely penetrate through the middle parts of the two clamping plates 31 and then are connected with the supporting legs 2. By adjusting the adjusting action of the adjusting screw 4, the buckle 3 can rotate around the main shaft 33, and the hook clamp 32 can fix or release the cross arm 5.
Particularly, the bracket has a larger overall structure, and the quick release structure is designed in consideration of portability, that is, the pin shaft 48 and the slot 34 are detachably fixed. After the adjusting screw rod 4 is unscrewed, the pin shaft 48 is pulled out from the clamping groove 34, and the support legs 2 and the adjusting screw rod 4 lose support. At this moment, the support legs 2 and the adjusting screw rods 4 can be folded outwards, so that the support legs 2 and the adjusting screw rods 4 can be folded at the lower ends of the two sides of the main wire casing 1, and the space is saved.
Further, the supporting leg 2 comprises two supporting plates 21 arranged in parallel at intervals; the upper ends of the two support plates 21 are respectively hinged to the two outer sides of the main wire casing 1; the limiting groove 22 is positioned at the lower part of the support plate 21; the buckle 3 is positioned between the two support plates 21; the end of the main shaft 33 is connected with the support plate 21.
Further, a limiting sleeve 35 is arranged between the support plate 21 and the clamping plate 31, and the main shaft 33 is sleeved with the limiting sleeve 35; a limiting sleeve 35 is arranged between the ring 44 and the shaft seat 12, and the limiting sleeve 35 is sleeved on the connecting shaft 45. The limiting sleeve 35 mainly prevents the buckle 3 from sliding on the main shaft 33 or the ring 44 from sliding on the connecting shaft 45 through limiting, so as to ensure the stability of the operation of the support frame.
Furthermore, two ends of the inner side of the main trunking 1 are respectively sleeved with a secondary trunking 11 in a sliding manner. The auxiliary wire grooves 11 are the same as the main wire groove 1, and the upper ends of the auxiliary wire grooves are opened for placing insulating drainage wires. The sliding auxiliary line slot 11 can extend in a drawing way, and the length of the main line slot 1 is increased.
Further, a plurality of connecting rods 36 are fixed between the two clamping plates 31 at intervals. The link 36 helps to improve the reliability of the fixation between the chucking plates 31.
Furthermore, the sections of the main trunking 1 and the auxiliary trunking 11 are concave.
In particular, the main line groove 1 and the auxiliary line groove 11 are made of insulating materials.
The working principle of the utility model is as follows:
referring to fig. 1-8, when using the bracket, a worker firstly holds the support frame by hand to open the support legs 2 and the buckles 3; then, adjusting the opening angle of the support frame according to the distance between the two cross arms 5; then, lapping the limiting groove 22 of the leg 2 on the outer periphery of the cross arm 5, and aligning the hook clamp 32 with the inner periphery of the cross arm 5; finally, the outer sleeve 41 of the adjusting screw 4 is adjusted so that the hook claw 32 moves toward the cross arm 5 and finally engages and is fixed to the inner periphery of the cross arm 5, thereby fixing the entire bracket.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a bracket of insulating drainage wire which characterized in that: comprises a horizontal main wire casing (1) and a support frame with two upper ends hinged on the main wire casing (1); the upper end of the main wire groove (1) is arranged in an open manner; a shaft seat (12) is fixed in the middle of the lower end of the main wire casing (1); the two support frames are respectively arranged on two sides of the shaft seat (12) in a mirror symmetry mode along the length direction of the main wire groove (1); the supporting frame comprises supporting legs (2) and an adjusting mechanism (23) which is hinged with the supporting legs (2) in an X-shaped cross manner; the upper ends of the support legs (2) are hinged with the main wire casing (1), and the lower parts of the support legs are provided with limit grooves (22) which can be attached to the periphery of the cross arm (5); the adjusting mechanism (23) comprises a buckle (3) and an adjusting screw rod (4); the upper end of the adjusting screw rod (4) is hinged with the shaft seat (12), and the lower end of the adjusting screw rod is connected with the upper end of the buckle (3); the middle part of the buckle (3) is hinged with the support leg (2), and the lower end of the buckle is provided with a hook clamp (32); the hook clamp (32) can be hooked on the inner side of the cross arm (5).
2. The bracket for insulating the drainage wire of claim 1, wherein: the adjusting screw rod (4) comprises an outer sleeve (41), a right-handed nut (42), a ring head screw rod (43), a left-handed nut (46) and a column cap screw rod (47); the right-handed nut (42) and the left-handed nut (46) are respectively fixed at the upper end and the lower end of the inner periphery of the outer sleeve (41); the ring head lead screw (43) and the column head lead screw (47) are both positioned in the outer sleeve (41); the ring head screw rod (43) is in threaded connection with the right-handed nut (42); the upper end of the ring head screw rod (43) penetrates out of the right-handed nut (42) and then is fixed with a ring (44); the ring (44) is rotationally fixed in the middle of a connecting shaft (45), and two ends of the connecting shaft (45) are fixed on the shaft seat (12); the column cap lead screw (47) is in threaded connection with the back-off nut (46); the lower end of the column cap lead screw (47) penetrates through the left-hand thread nut (46) and then is fixed with the middle part of a pin shaft (48); and the two ends of the pin shaft (48) are connected with the upper end of the buckle (3).
3. The bracket for insulating the drainage wire of claim 2, wherein: the buckle (3) comprises two clamping plates (31) which are arranged in parallel at intervals; the upper end of the clamping plate (31) is provided with a clamping groove (34); two ends of the pin shaft (48) are respectively clamped in the clamping grooves (34) of the two clamping plates (31); the hook clamp (32) is positioned at the lower end of the buckle (3); two ends of a main shaft (33) respectively transversely penetrate through the middle parts of the two clamping plates (31) and then are connected with the supporting legs (2).
4. The bracket for insulating the drainage wire of claim 3, wherein: the supporting legs (2) comprise two supporting plates (21) which are arranged in parallel at intervals; the upper ends of the two support plates (21) are respectively hinged to the two outer sides of the main wire casing (1); the limiting groove (22) is positioned at the lower part of the support plate (21); the buckle (3) is positioned between the two support plates (21); the tail end of the main shaft (33) is connected with the support plate (21).
5. The bracket for insulating the drainage wire of claim 4, wherein: a limiting sleeve (35) is arranged between the support plate (21) and the clamping plate (31), and the main shaft (33) is sleeved with the limiting sleeve (35); a limiting sleeve (35) is arranged between the ring (44) and the shaft seat (12), and the limiting sleeve (35) is sleeved on the connecting shaft (45).
6. The bracket for insulating the drainage wire of claim 1, wherein: and the two ends of the inner side of the main wire groove (1) are respectively sleeved with an auxiliary wire groove (11) in a sliding manner.
7. The bracket for insulating the drainage wire of claim 3, wherein: a plurality of connecting rods (36) are fixed between the two clamping plates (31) at intervals.
8. The bracket for insulating the drainage wire of claim 6, wherein: the sections of the main wire groove (1) and the auxiliary wire groove (11) are concave.
CN202121729718.6U 2021-07-28 2021-07-28 Bracket of insulating drainage wire Active CN215419331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121729718.6U CN215419331U (en) 2021-07-28 2021-07-28 Bracket of insulating drainage wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121729718.6U CN215419331U (en) 2021-07-28 2021-07-28 Bracket of insulating drainage wire

Publications (1)

Publication Number Publication Date
CN215419331U true CN215419331U (en) 2022-01-04

Family

ID=79653513

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121729718.6U Active CN215419331U (en) 2021-07-28 2021-07-28 Bracket of insulating drainage wire

Country Status (1)

Country Link
CN (1) CN215419331U (en)

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