Power transmission overhead ground wire optical cable lifting device

Abstract

The invention discloses a power transmission overhead ground wire optical cable lifting device which comprises two clamp bodies, a rotating part and an adjusting assembly, the two clamp bodies are arranged oppositely, and one end of each clamp body is provided with a first threaded hole used for installing the rotating part or the adjusting assembly; a plurality of thread grooves distributed at equal intervals are formed in the rotating piece, the rotating piece is movably connected with the clamp body through the first thread holes and the thread grooves, and an included angle is formed between the rotating piece and the clamp body; the adjusting assembly is connected to the clamp body through the first threaded hole and is perpendicular to the clamp body, or the adjusting assembly is connected to the rotating piece through the threaded groove and is perpendicular to the rotating piece, the adjusting assembly comprises an adjusting lead screw and a bearing piece, and the adjusting lead screw penetrates through the first threaded hole or the threaded groove; and the bearing piece moves relative to the clamp main body along the length direction of the adjusting screw rod and is used for bearing the optical cable. The device can improve the working efficiency of maintainers, reduces the labor intensity of the maintainers and the risk of overhead working on the tower, and is high in applicability.

Description

Technical Field

[0001] The invention relates to the technical field of optical cable maintenance, and in particular to a power transmission overhead ground wire optical cable lifting device. Background Art

[0002] Due to the short suspension distance of overhead ground wires and optical cables, it is inconvenient to inspect and maintain the ground wires, optical cables and their hardware. At present, there is no good tool to lift the overhead ground wires and optical cables using pre-delivered suspension wire clamps. The prior art proposes a C-type suspension wire clamp overhead ground wire lifting device, but it is affected by the cross-arm structure of the pole tower type ground wire and optical cable bracket, such as the horizontal and vertical arrangement of the ground wire, optical cable and its bracket cross-arm; the voltage levels of the transmission lines are different, the tower types are different, and the sizes of the optical cable brackets of different lines are different, and the universal type is limited. The above factors reduce the work efficiency of maintenance personnel, increase the labor intensity of maintenance personnel and the risk of high-altitude operations on the tower. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a power transmission overhead ground wire optical cable lifting device, which can improve the work efficiency of maintenance personnel, reduce the labor intensity of maintenance personnel and the risk of high-altitude operations on towers, ensure the personal safety of maintenance personnel, and has versatility.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A power transmission overhead ground wire optical cable lifting device, comprising:

[0006] Two clamp bodies, the two clamp bodies are arranged back to back and connected to each other, and one end of each clamp body is provided with a first threaded hole for mounting a rotating member or an adjusting component;

[0007] Two rotating members, each of which is provided with a plurality of equally spaced thread grooves, the rotating member is movably connected to the clamp body through the first threaded hole and the thread groove, and is arranged at an angle with the clamp body; and,

[0008] An adjusting component, wherein the adjusting component is connected to the clamp body through the first threaded hole and is vertically arranged with the clamp body, or the adjusting component is connected to the rotating member through the threaded groove and is vertically arranged with the rotating member, the adjusting component includes an adjusting screw and a supporting member, the adjusting screw is passed through the first threaded hole or the threaded groove, and moves relative to the clamp body along the length direction of the adjusting screw, and the supporting member is movably connected to one end of the adjusting screw away from the clamp body, and is used to support the optical cable.

[0009] Preferably, the rotating member comprises two connecting plates and a limiting threaded sleeve, the two connecting plates are provided with limiting holes, the limiting threaded sleeve is sequentially inserted into the limiting holes of the two connecting plates, and one end of the clamp body provided with the first threaded hole is clamped between the two connecting plates and connected via the first threaded hole and the limiting threaded sleeve;

[0010] And / or, the rotating members are provided in two groups and are respectively connected to the first threaded holes of the two clamp bodies.

[0011] Preferably, the adjustment assembly further comprises a wrench, which is arranged at an end of the adjustment screw rod away from the supporting member and is used for manually adjusting the movement of the adjustment screw rod.

[0012] Preferably, the adjustment assembly further comprises a universal connector, and the universal connector is used to connect the adjustment screw and the supporting member and adjust the rotation of the supporting member relative to the adjustment screw.

[0013] Preferably, a connecting sleeve is provided at one end of the adjusting screw rod, and the connecting sleeve is connected to one end of the universal connector.

[0014] Preferably, the cross section of the clamp body is L-shaped, and the clamp body includes a first connecting end and a second connecting end, the two first connecting ends are connected by screws, and the second connecting end is provided with the first threaded hole.

[0015] Preferably, the first connecting end is provided with a longitudinal mounting plate, the longitudinal mounting plate is provided with a second threaded hole for mounting the adjusting assembly; and / or the rotating member is arranged on the clamp body, and the longitudinal mounting plate is connected to the rotating member via a connecting arm.

[0016] Preferably, it also includes a cross arm bracket, which includes a base plate and a first limit plate, the first limit plate is vertically arranged on the base plate, the first limit plate is arranged between the two clamp bodies and clamped by the two clamp bodies, and the base plate is protruding on the surface of the adjustment component facing the supporting member.

[0017] Preferably, the adjustment component is provided with a second limit plate facing the surface of the supporting member, an installation space is formed between the second limit plate and the adjustment component, the base plate is arranged in the installation space, the second limit plate is provided with a fine-tuning screw, the fine-tuning screw moves relative to the second limit plate along its length direction, and abuts against the base plate through the end of the fine-tuning screw.

[0018] Preferably, the bottom plate is provided with a plurality of third threaded holes distributed at equal intervals, and the third threaded holes are used to connect the U-shaped connecting piece.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] By setting the adjustment components, the clamp body and the rotating parts to cooperate with each other, the overhead ground wire lifting of the pre-engaged suspension wire clamp and various tower-type C-type suspension wire clamps can be achieved. It is not affected by the arrangement and size of the bracket, and has versatility and strong applicability. At the same time, the device can improve the work efficiency of maintenance personnel, reduce the labor intensity of maintenance personnel and the risk of high-altitude operations on the tower, and ensure the personal safety of maintenance personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of a first embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0022] Figure 2 It is a schematic structural diagram of a second embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0023] Figure 3 It is a schematic structural diagram of a third embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0024] Figure 4 It is a schematic structural diagram of a fourth embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0025] Figure 5 It is a schematic structural diagram of a fifth embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0026] Figure 6 It is a structural schematic diagram of a sixth embodiment of a power transmission overhead ground wire optical cable lifting device of the present invention;

[0027] Figure 7 It is a structural schematic diagram of a seventh embodiment of the overhead ground wire optical cable lifting device for power transmission of the present invention;

[0028] Figure 8 It is a schematic structural diagram of the eighth embodiment of the overhead ground wire optical cable lifting device for power transmission of the present invention.

[0029] In the accompanying drawings, 1-clamp body, 11-first threaded hole, 12-first connecting end, 13-second connecting end, 14-second limiting plate, 141-fine-tuning screw, 15-installation space, 2-rotating member, 21-threaded groove, 22-connecting plate, 23-limiting threaded sleeve, 24-spacer, 3-adjusting assembly, 31-adjusting screw, 32-supporting member, 33-wrench, 34-universal connector, 341-rotating body, 342-rotating end, 35-connecting sleeve, 4-screw, 5-longitudinal mounting plate, 51-second threaded hole, 6-cross arm bracket, 61-bottom plate, 611-third threaded hole, 62-first limiting plate, 7-U-shaped connector, 8-connecting arm, 81-hook, 82-limiting cylinder, 83-telescopic screw, 9-limiting ring. DETAILED DESCRIPTION

[0030] In order to make the objectives, technical solutions and advantages of the present invention more clear, the following part will further describe the embodiments of the present invention in detail with reference to the accompanying drawings.

[0031] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are only examples of devices and methods consistent with some aspects of the present invention as detailed in the attached claims.

[0032] In the description of the present invention, it should be understood that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previously associated objects are in an "or" relationship.

[0033] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] To solve the above problems, please refer to Figures 1 to 8 The present invention provides a power transmission overhead ground line optical cable lifting device, comprising: two clamp bodies 1, a rotating member 2 and an adjusting assembly 3, the two clamp bodies 1 are arranged back to back and connected to each other, one end of each clamp body 1 is provided with a first threaded hole 11 for installing the rotating member 2 or the adjusting assembly 3; the rotating member 2 is provided with a plurality of equally spaced thread grooves 21, the rotating member 2 is movably connected to the clamp body 1 through the first threaded hole 11 and the thread grooves 21, and is arranged at an angle to the clamp body 1; the adjusting assembly 3 is provided through the first threaded hole 11 and the thread grooves 21. A threaded hole 11 is connected to the clamp body 1 and is vertically arranged with the clamp body 1, or the adjustment component 3 is connected to the rotating member 2 through the threaded groove 21 and is vertically arranged with the rotating member 2. The adjustment component 3 includes an adjusting screw rod 31 and a supporting member 32. The adjusting screw rod 31 is passed through the first threaded hole 11 or the threaded groove 21, and moves relative to the clamp body 1 along the length direction of the adjusting screw rod 31. The supporting member 32 is movably connected to one end of the adjusting screw rod 31 away from the clamp body 1, and is used to support the optical cable.

[0036] Among them, Figure 1 As shown, the two clamp bodies 1 can be arranged close to each other and fixed by a long screw. Figure 2 In the case of the cross arm bracket 6 shown, the distance between the two clamp bodies 1 can be adjusted by a long screw so as to form enough space to install the cross arm bracket 6.

[0037] Among them, Figures 1 to 8 As shown, the installation positions of the adjustment assembly 3 and the rotating member 2 can be selected, and the state of the rotating member 2 can be adjusted.

[0038] In an optional embodiment, if Figures 2 to 4As shown, the rotating member 2 includes two connecting plates 22 and a limiting threaded sleeve 23. The two connecting plates 22 are provided with limiting holes. The limiting threaded sleeve 23 is sequentially inserted into the limiting holes of the two connecting plates 22. One end of the clamp body 1 is provided with the first threaded hole 11 and is clamped between the two connecting plates 22, and is connected through the first threaded hole 11 and the limiting threaded sleeve 23. The rotating member 2 is provided with two groups, and is respectively connected to the first threaded holes 11 of the two clamp bodies 1. Specifically, two connecting plates 22 are provided, and the two end portions of the two connecting plates 22 are not provided with limiting threaded sleeves 23, wherein one end of the two connecting plates 22 clamps the second connecting end 13 of the clamp body 1 from two sides and is fixed by a screw 4, thereby improving the connection stability between the rotating part 2 and the clamp body 1, and the other end adopts a spacer 24 with a threaded groove 21 and a screw 4 to maintain the front and rear spacing of the two connecting plates 22 consistent, and at the same time, the limiting threaded sleeve 23 can keep the adjusting screw rod 31 always in a state of being vertical to the clamp body 1, thereby ensuring the normal use of the overhead ground wire optical cable lifting device for power transmission.

[0039] In an optional embodiment, if Figures 2 to 4 As shown, the adjustment assembly 3 further includes a wrench 33, which is disposed at one end of the adjustment screw 31 away from the supporting member 32 and is used to manually adjust the movement of the adjustment screw 31. Specifically, the wrench 33 is used to adjust the distance between the supporting member 32 and the clamp body 1, and has the characteristics of convenient operation, simple structure, strong applicability and low cost.

[0040] In an optional embodiment, if Figures 2 to 4 As shown, the adjustment assembly 3 further includes a universal connector 34, which is used to connect the adjustment screw 31 and the support member 32, and adjust the support member 32 to rotate relative to the adjustment screw 31. Specifically, the universal connector 34 includes a rotating body 341 and two rotating ends 342 arranged opposite to each other, and the two rotating ends 342 can be rotatably connected to the rotating body 341. In this embodiment, the support member 32 is a hook, and a connecting hole is arranged at one end of the hook. A limit pin hole is arranged at one of the rotating ends 342 of the universal connector 34 corresponding to the connecting hole of the hook. After the connecting hole of the hook corresponds to the limit pin hole, the two are connected by a pin, so that the hook can rotate relative to each other and be arranged at an angle. The concave portion at the other end of the hook is used to support an optical cable, an overhead ground wire, etc.

[0041] In an optional embodiment, if Figures 2 to 4As shown, one end of the adjusting screw rod 31 is provided with a connecting sleeve 35, and the connecting sleeve 35 is connected to one end of the universal connector 34. The adjusting screw rod 31 is quickly connected to the universal connector 34 through the connecting sleeve 35, so that the adjusting screw rod 31 and the supporting member 32 can be separated, which is convenient for adjusting the installation position of the adjusting assembly 3. The adjusting screw rod 31 and the supporting member 32 are quickly separated, and the maintenance personnel can quickly remove the adjusting screw rod 31 and replace it to another position, and then assemble the adjusting screw rod 31 and the supporting member 32.

[0042] In an optional embodiment, if Figure 1 As shown, the cross section of the clamp body 1 is L-shaped, and the clamp body 1 includes a first connection end 12 and a second connection end 13, the two first connection ends 12 are connected by screws 4, and the second connection end 13 is provided with the first threaded hole 11. Specifically, the clamp body 1 is formed by bending a metal material, such as stainless steel, steel, etc., to improve the connection strength between the first connection end 12 and the second connection end 13.

[0043] In an optional embodiment, if Figures 5 to 8 As shown, the first connection end 12 is provided with a longitudinal mounting plate 5, and the longitudinal mounting plate 5 is provided with a second threaded hole 51 for installing the adjustment component 3; the rotating member 2 is provided on the clamp body 1, and the longitudinal mounting plate 5 is connected to the rotating member 2 via a connecting arm 8. In the present embodiment, the longitudinal mounting plate 5 and the clamp body 1 are an integrally formed structure with good connection strength; by providing the longitudinal mounting plate 5, the adjustment component 3 is located at different positions to be used in conjunction with different optical cable arrangements, and further, one surface of the longitudinal mounting plate 5 is welded to the first connection end 12 so that the two have a high connection strength, and in the present embodiment, two second threaded holes 51 are provided to facilitate replacement of the position of the adjustment component 3; further, through the cooperation between the connecting arm 8 and the longitudinal mounting plate 5, hooks 81 are provided at both ends of the connecting arm 8, and a limiting ring 9 is provided on one of the second threaded holes 51 of the longitudinal mounting plate 5 and the end of the rotating member 2 away from the clamp body 1. , and corresponds to the hook 81, the connecting arm 8 includes two telescopic screws 83 and a limiting cylinder 82, the hook 81 is arranged at the end of the telescopic screw 83, the inner wall of the limiting cylinder 82 is provided with an internal thread, and the circumferential side of each telescopic screw 83 is correspondingly provided with an external thread, the two telescopic screws 83 are respectively movably connected to the two end portions of the limiting cylinder 82, the two telescopic screws 83 can be extended or shortened according to the state of the rotating part 2, the hook 81 is buckled on the limiting ring 9, so that the rotating part 2 is evenly stressed and meets the supporting force required by the adjustment component 3; in actual use, when the clamp body 1 is not provided with a longitudinal mounting plate 5, the end of the rotating part 2 away from the clamp body can also be stably connected to the first connecting end 12 of the clamp body through the connecting arm 8 and the limiting ring 9.

[0044] In an optional embodiment, if Figures 2 to 4 As shown, it also includes a cross arm bracket 6, the cross arm bracket 6 includes a bottom plate 61 and a first limit plate 62, the first limit plate 62 is vertically arranged on the bottom plate 61, the first limit plate 62 is arranged between the two clamp bodies 1, and is clamped by the two clamp bodies 1, and the bottom plate 61 is convexly arranged on the surface of the adjustment component 3 facing the supporting member 32. Specifically, in actual application, the cross arm bracket 6 is installed on the high-voltage tower for installing the suspension clamp, so as to facilitate the repair or replacement of the optical cable, thereby ensuring the safety of the maintenance personnel.

[0045] In an optional embodiment, if Figures 2 to 4 As shown, the adjustment component 3 is provided with a second limit plate 14 on the surface facing the support member 32, and an installation space 15 is formed between the second limit plate 14 and the adjustment component 3, and the bottom plate 61 is arranged in the installation space 15, and the second limit plate 14 is provided with a fine-tuning screw 141, and the fine-tuning screw 141 moves relative to the second limit plate 14 along its length direction, and abuts against the bottom plate 61 through the end of the fine-tuning screw 141. Specifically, the first limit plate 62 is clamped by the first connecting ends 12 of the two clamp bodies 1, and is fixed by screws 4, while the bottom plate 61 is located in the installation space 15, and the position of the fine-tuning screw 141 is staggered with the third threaded hole 611, so that the end of the fine-tuning screw 141 abuts against the surface of the bottom plate 61 away from the first limit plate 62, and the fine-tuning screw 141 is rotated to tightly fit the bottom plate 61 with the clamp body 1, so as to realize the detachable and stable installation of the cross arm bracket 6.

[0046] In an optional embodiment, if Figure 6 As shown, the bottom plate 61 is provided with a plurality of third threaded holes 611 distributed at equal intervals, and the third threaded holes 611 are used to connect the U-shaped connector 7. Specifically, the end of the U-shaped connector 7 is provided with an external thread, and the external thread of the end of the U-shaped connector 7 is threadedly connected with the third threaded hole 611, and is vertically arranged on the surface of the bottom plate 61 away from the first limit plate 62. The U-shaped connector 7 is used to install the suspension clamp, and the suspension clamp is a screw rod structure that can be tightened and loosened, and is used to tighten the optical cable, which is convenient for repairing or replacing the optical cable. The suspension clamp is made of insulating material to ensure the safety of maintenance personnel; further, the third threaded holes 611 at different positions can adjust the installation position of the U-shaped connector 7 to adapt to the use of optical cables in different position states.

[0047] To summarize, by setting the adjustment component 3, the clamp body 1 and the rotating part 2 to cooperate with each other, the optical cable or the overhead ground wire is supported by the supporting part 32, and the maintenance personnel adjust the wrench 33 to make the adjustment screw rod 31 move along its own length direction, so as to realize the lifting of the overhead ground wire of the pre-intersection type suspension wire clamp and various tower-type C-type suspension wire clamps. It is not affected by the arrangement and size of the bracket, and has versatility and strong applicability. At the same time, the device can improve the work efficiency of the maintenance personnel, reduce the labor intensity of the maintenance personnel and the risk of high-altitude operations on the tower, and ensure the personal safety of the maintenance personnel.

[0048] The above description is only a preferred feasible embodiment of the present invention and is not intended to limit the scope of the patent application of the present invention. All equivalent changes, equivalent substitutions or modified changes performed within the technical spirit and principles suggested by the present invention should be included in the scope of patent protection covered by the present invention.

Claims

1. A power transmission overhead ground wire optical cable lifting device, characterized in that: include: Two clamp bodies, the two clamp bodies are arranged back to back and connected to each other, and one end of each clamp body is provided with a first threaded hole for mounting a rotating member or an adjusting component; A rotating member, wherein the rotating member is provided with a plurality of thread grooves distributed at equal intervals, the rotating member is movably connected to the clamp body through the first threaded hole and the thread grooves, and is arranged at an angle with the clamp body; and An adjusting component, wherein the adjusting component is connected to the clamp body through the first threaded hole and is vertically arranged with the clamp body, or the adjusting component is connected to the rotating member through the threaded groove and is vertically arranged with the rotating member, the adjusting component includes an adjusting screw and a supporting member, the adjusting screw is passed through the first threaded hole or the threaded groove, and moves relative to the clamp body along the length direction of the adjusting screw, and the supporting member is movably connected to one end of the adjusting screw away from the clamp body, and is used to support the optical cable.

2. The power transmission overhead ground wire optical cable lifting device according to claim 1, characterized in that: The rotating member includes two connecting plates and a limiting threaded sleeve, the two connecting plates are provided with limiting holes, the limiting threaded sleeve is sequentially inserted into the limiting holes of the two connecting plates, and one end of the clamp body provided with the first threaded hole is clamped between the two connecting plates and connected through the first threaded hole and the limiting threaded sleeve; And / or, the rotating members are provided in two groups and are respectively connected to the first threaded holes of the two clamp bodies.

3. The power transmission overhead ground wire optical cable lifting device according to claim 1, characterized in that: The adjustment assembly also includes a wrench, which is arranged at one end of the adjustment screw rod away from the supporting member and is used for manually adjusting the movement of the adjustment screw rod.

4. The power transmission overhead ground wire optical cable lifting device according to claim 3, characterized in that: The adjustment assembly also includes a universal connector, which is used to connect the adjustment screw and the supporting member and adjust the supporting member to rotate relative to the adjustment screw.

5. The power transmission overhead ground wire optical cable lifting device according to claim 4, characterized in that: One end of the adjusting screw rod is provided with a connecting sleeve, and the connecting sleeve is connected to one end of the universal connector.

6. The power transmission overhead ground wire optical cable lifting device according to claim 1, characterized in that: The cross section of the clamp body is L-shaped. The clamp body includes a first connecting end and a second connecting end. The two first connecting ends are connected by screws, and the second connecting end is provided with the first threaded hole.

7. The power transmission overhead ground wire optical cable lifting device according to claim 6, characterized in that: The first connecting end is provided with a longitudinal mounting plate, and the longitudinal mounting plate is provided with a second threaded hole for mounting the adjusting assembly; And / or, the rotating member is arranged on the clamp body, and the longitudinal mounting plate is connected to the rotating member via a connecting arm.

8. The power transmission overhead ground wire optical cable lifting device according to claim 1, characterized in that: It also includes a cross arm bracket, which includes a base plate and a first limit plate, the first limit plate is vertically arranged on the base plate, the first limit plate is arranged between the two clamp bodies and clamped by the two clamp bodies, and the base plate is protruding on the surface of the adjustment component facing the supporting member.

9. The power transmission overhead ground wire optical cable lifting device according to claim 8, characterized in that: The adjustment component is provided with a second limit plate toward the surface of the supporting member, an installation space is formed between the second limit plate and the adjustment component, the base plate is arranged in the installation space, the second limit plate is provided with a fine-tuning screw, the fine-tuning screw moves relative to the second limit plate along its length direction, and abuts against the base plate through the end of the fine-tuning screw.

10. The power transmission overhead ground wire optical cable lifting device according to claim 8, characterized in that: The bottom plate is provided with a plurality of third threaded holes which are distributed at equal intervals, and the third threaded holes are used to connect the U-shaped connecting pieces.

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