Ground-potential high-altitude live-line fastening ground-facing nut tool and use method thereof

By designing a ground potential high-altitude live tightening tool for ground nuts, long-distance live tightening is achieved using gears and chain belt transmission, the connection failure problem caused by loose nuts in the distribution network system is solved, and efficient and safe high-altitude ground nut tightening operation is achieved.

CN119635564APending Publication Date: 2025-03-18HAIBEI POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER +1
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Patent Information

Application Number
CN202510138578.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

Loose nuts and screws in the distribution network system lead to failure or instability of the connection, especially in high altitude and concealed locations, which is difficult to achieve fast and efficient live processing, which poses a high risk.

Method used

A ground potential electric fastening tool for high altitude electric potential is designed, including ground insertion, telescopic sleeve, gear box, operating rod, strip mounting box and meshing sleeve, to achieve long-distance live tightening operation through gear and chain belt transmission.

Benefits of technology

It realizes rapid tightening operation of high-altitude ground-facing nuts, no climbing operation is required, and the operation is simple and fast, improving the fastening operation efficiency and reducing workload and risks.

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Abstract

The invention belongs to the technical field of power distribution network live-line maintenance, and particularly relates to a ground potential high-altitude live-line fastening ground-facing nut tool. Comprising a ground plug, a telescopic sleeve, a gearbox, an operating rod, a strip-shaped mounting box and a meshing sleeve, the ground plug is connected to the lower end of the telescopic sleeve in an inserted mode, the gearbox is fixed to the top of the telescopic sleeve, a driving bevel gear and a driven bevel gear are arranged in the gearbox, a main gear and a driven gear are arranged in the strip-shaped mounting box, and a connecting groove used for being in butt joint with a nut is formed in the top of the meshing sleeve. According to the high-altitude ground-facing nut live-line fastening device, live-line fastening operation of a high-altitude ground-facing nut can be simply and efficiently completed, climbing operation is not needed, operation is simple and rapid, the efficiency of fastening operation of the high-altitude ground-facing nut can be improved, and the workload is reduced.
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Description

Technical Field

[0001] The invention belongs to the technical field of live maintenance of distribution networks, and in particular relates to a tool for fastening ground-facing nuts that are live at high altitude at ground potential. Background Art

[0002] The distribution network system contains a large number of bolt and nut structures for fixed connections. After long-term use, the nuts and screws will become loose due to rust, wear and various internal and external forces. If they are not handled in time and the loosening phenomenon is allowed to continue to develop, it will cause the connection to fail or become unstable, or even lose its fixed connection function, causing unpredictable losses and dangers, and directly endangering the safe operation of the power system. Since various structures in the distribution network are energized for a long time, in actual work, it is difficult to achieve fast and efficient live processing, especially for loose nuts in hidden locations or obstructed areas. It is often necessary to rely on manual labor to complete these complex operations, which requires a lot of climbing work and has a high risk factor. Summary of the invention

[0003] The purpose of the present invention is to provide a ground potential high-altitude live-electric tightening nut tool that can be used to realize remote live-electric operation and for quickly tightening high-altitude live-electric nuts toward the ground, and at the same time provide a method for using the same.

[0004] To achieve the above purpose, the present invention adopts the following technical solution.

[0005] A ground potential high-altitude live tightening tool for nuts toward the ground, comprising a ground plug 1, a telescopic sleeve 2, a gear box 3, an operating rod 6, a strip installation box 7, and an engagement sleeve 8;

[0006] The ground plug 1 is plugged into the lower end of the telescopic sleeve 2, and the gear box 3 is fixed on the top of the telescopic sleeve 2. The gear box 3 is provided with a horizontal axial driving bevel gear 30 and a vertical axial driven bevel gear 31, and the driving bevel gear 30 is meshed with the driven bevel gear 31;

[0007] The driving bevel gear 30 is connected to a power shaft 300 extending from the side of the gear box 3; the driven bevel gear 31 is connected to a transmission shaft 310 extending from the top of the gear box 3, and the operating rod 6 is vertically arranged and fixed on the transmission shaft 310 to rotate with the driven bevel gear 31;

[0008] Inside the strip-shaped installation box 7, there are: a main gear 70 and a driven gear 71 in a vertical axial direction, and a chain belt 72 connecting the main gear 70 and the driven gear 71;

[0009] The main gear 70 and the driven gear 71 are respectively located at the two ends of the inner part of the strip-shaped installation box 7. A connecting hole is provided at the bottom of the strip-shaped installation box 7 directly opposite to the main gear 70. The operating rod 6 is inserted from the connecting hole and is transmission-connected to the main gear 70. An output hole is provided at the top of the strip-shaped installation box 7 directly opposite to the driven gear 71. A vertical output shaft 710 is provided on the driven gear 71. The output shaft 710 extends from the output hole. The bottom of the meshing sleeve 2 is vertically provided and connected to the output shaft 710.

[0010] A connecting groove for docking with a nut is provided at the top of the engagement sleeve 8.

[0011] A further improvement or preferred embodiment of the aforementioned ground potential high-altitude live tightening nut tool also includes a positioning plate group 4 and a binding strap 5; the positioning plate group 4 includes a plurality of strip positioning plates connected together by tensioning bolts 40; one end of the positioning plate group 4 is connected to the binding strap 5 and the other end is fixed to the telescopic sleeve 2 or the gear box 3.

[0012] A further improvement or preferred embodiment of the above-mentioned ground potential high-altitude live tightening tool for nuts toward the ground, a section of the positioning plate group 4 is provided with a through hole and is sleeved on the telescopic sleeve 2.

[0013] A further improvement or preferred embodiment of the above-mentioned ground potential high-altitude live tightening nut tool, the operating rod 6 is a telescopic structure, including an operating cylinder connected to the driven bevel gear 31, and a telescopic rod telescopically inserted in the operating cylinder; the operating cylinder body is provided with a plurality of positioning pin holes or positioning screw holes; the telescopic rod is provided with a hole that can be docked with the positioning pin hole or the positioning reaming hole;

[0014] A detachable positioning pin is arranged in the positioning pin hole, and a positioning bolt 11 is arranged in the positioning screw hole.

[0015] A further improvement or preferred embodiment of the above-mentioned ground potential high-altitude live nut tightening tool, the telescopic sleeve 2 includes an inner cylinder 20 whose bottom is sleeved with the ground plug 1 and an outer cylinder 21 sleeved on the top of the inner cylinder 20; a connecting column 22 is provided on the top of the outer cylinder 21, a hole is provided at the bottom of the gear box 3 for docking with the connecting column 22, and an anti-slip pin 23 is provided on the top of the connecting column 22.

[0016] A method for using a ground potential high-altitude live tightening tool for ground-facing nuts comprises the following steps:

[0017] Step 1, determine the high-altitude ground nut that needs to be tightened, locate the high-altitude ground nut just below the high-altitude ground nut, align the engagement sleeve 8 with the high-altitude ground nut, adjust the height of the telescopic sleeve, or adjust the height of the telescopic sleeve and the telescopic operating rod at the same time, and find a suitable ground installation plug;

[0018] Step 2: Adjust the tension bolts to control the relative position relationship between the strip positioning plates so that the straps 5 on the positioning plate group 4 can be bound to a nearby fixed structure such as a pole;

[0019] Step 3, adjust the height of the telescopic sleeve again, or adjust the height and angle of the telescopic sleeve and the telescopic operating rod at the same time, so that the engagement sleeve 8 is docked with the high-altitude nut facing the ground;

[0020] Step 5: Connect the output shaft of the power device to the power shaft 300 to drive the sleeve to perform the tightening operation.

[0021] Its beneficial effects are:

[0022] The ground potential high-altitude live tightening tool for nuts toward the ground of the present invention can simply and efficiently complete the live tightening of nuts toward the ground from the high altitude, does not require climbing operations, is simple and quick to operate, can improve the efficiency of the high-altitude nut tightening operation, and reduce the workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of a tool for fastening nuts toward the ground at ground potential at high altitude.

[0024] The reference numerals include:

[0025] Ground plug 1, telescopic sleeve 2, inner cylinder 20, outer cylinder 21, connecting column 22, anti-drop pin 23, gear box 3, driving bevel gear 30, power shaft 300, driven bevel gear 31, transmission shaft 310, positioning plate group 4, tension bolt 40, binding strap 5, operating lever 6, strip mounting box 7, main gear 70, driven gear 71, output shaft 710, chain belt 72, meshing sleeve 8, positioning bolt 11. DETAILED DESCRIPTION

[0026] The present invention is described in detail below in conjunction with specific embodiments.

[0027] like Figure 1 As shown, a ground potential high-altitude live-working tool for tightening nuts toward the ground in the present application is mainly used as a portable live-working auxiliary tool, and is mainly used to complete a large number of high-altitude nuts tightening operations in the distribution network system structure. On the basis of ensuring that the operator does not need close contact or pole climbing, the high-altitude nuts tightening operations can be completed efficiently and quickly.

[0028] like Figure 1 As shown, the ground potential high-altitude live tightening ground nut tool of the present invention has a main structure comprising:

[0029] Ground plug 1, telescopic sleeve 2, gear box 3, operating rod 6, strip installation box 7, engagement sleeve 8;

[0030] The ground plug 1 is a structure that provides basic support and fixation, and also realizes the grounding of the device to ensure safe operation, and is plugged into the lower end of the telescopic sleeve 2;

[0031] The telescopic sleeve 2 is mainly used to achieve different height adjustments to ensure that the tool can meet the operation of ground nuts at different positions and heights. It mainly includes an inner cylinder 20 sleeved with the ground plug 1 at the bottom and an outer cylinder 21 sleeved on the top of the inner cylinder 20. The inner cylinder and the outer cylinder are fixed in height by fastening structures such as pins and buckles.

[0032] The gear box 3 is fixed on the top of the telescopic sleeve 2. The gear box 3 is provided with a horizontally axial driving bevel gear 30 and a vertically axially driven bevel gear 31. The driving bevel gear 30 is meshed with the driven bevel gear 31.

[0033] The driving bevel gear 30 is connected to a power shaft 300 extending from the side of the gear box 3; the driven bevel gear 31 is connected to a transmission shaft 310 extending from the top of the gear box 3, and the operating rod 6 is vertically arranged and fixed on the transmission shaft 310 to rotate with the driven bevel gear 31;

[0034] A connecting column 22 is provided at the top of the outer cylinder 21 , a hole for docking with the connecting column 22 is provided at the bottom of the gear box 3 , and an anti-dropping pin 23 is provided at the top of the connecting column 22 .

[0035] Inside the strip-shaped installation box 7, there are: a main gear 70 and a driven gear 71 in a vertical axial direction, and a chain belt 72 connecting the main gear 70 and the driven gear 71;

[0036] The main gear 70 and the driven gear 71 are respectively located at the two ends of the inner part of the strip-shaped installation box 7. A connecting hole is provided at the bottom of the strip-shaped installation box 7 directly opposite to the main gear 70. The operating rod 6 is inserted from the connecting hole and is transmission-connected with the main gear 70. An output hole is provided at the top of the strip-shaped installation box 7 directly opposite to the driven gear 71. A vertical output shaft 710 is provided on the driven gear 71. The output shaft 710 extends from the output hole. The bottom of the meshing sleeve 2 is vertically provided and connected with the output shaft 710.

[0037] A connecting groove for docking with a nut is provided at the top of the engagement sleeve 8.

[0038] It also includes a positioning plate group 4 and a binding belt 5; the positioning plate group 4 includes a plurality of strip positioning plates connected together by tightening bolts 40; one end of the positioning plate group 4 is connected to the binding belt 5 and the other end is fixed to the telescopic sleeve 2 or the gear box 3.

[0039] A section of the positioning plate assembly 4 is provided with a through hole and is sleeved on the telescopic sleeve 2 .

[0040] The operating rod 6 is a telescopic structure, including an operating cylinder connected to the driven bevel gear 31, and a telescopic rod telescopically inserted in the operating cylinder; the operating cylinder is provided with a plurality of positioning pin holes or positioning screw holes; the telescopic rod is provided with a hole that can be connected with the positioning pin hole or the positioning reaming hole;

[0041] A detachable positioning pin is arranged in the positioning pin hole, and a positioning bolt 11 is arranged in the positioning screw hole.

[0042] The present invention also provides a method for using a ground potential high-altitude live tightening tool for ground-facing nuts, comprising the following steps:

[0043] Step 1, determine the high-altitude ground nut that needs to be tightened, locate the high-altitude ground nut just below the high-altitude ground nut, align the engagement sleeve 8 with the high-altitude ground nut, adjust the height of the telescopic sleeve, or adjust the height of the telescopic sleeve and the telescopic operating rod at the same time, and find a suitable ground installation plug;

[0044] Step 2: Adjust the tension bolts to control the relative position relationship between the strip positioning plates so that the binding straps 5 on the positioning plate group 4 can be bound to a nearby fixed structure such as a pole;

[0045] Step 3, adjust the height of the telescopic sleeve again, or adjust the height and angle of the telescopic sleeve and the telescopic operating rod at the same time, so that the engagement sleeve 8 is docked with the high-altitude nut facing the ground;

[0046] Step 5: Connect the output shaft of the power device to the power shaft 300 to drive the sleeve to perform the tightening operation.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A ground potential high-altitude live tightening tool for nuts facing the ground, characterized in that: It comprises a ground plug (1), a telescopic sleeve (2), a gear box (3), an operating rod (6), a strip-shaped installation box (7), and an engagement sleeve (8); The ground plug (1) is plugged into the lower end of the telescopic sleeve (2), and the gear box (3) is fixed on the top of the telescopic sleeve (2). The gear box (3) is provided with a horizontal axial driving bevel gear (30) and a vertical axial driven bevel gear (31), and the driving bevel gear (30) is meshed with the driven bevel gear (31); The driving bevel gear (30) is connected to a power shaft (300) extending from the side of the gear box (3); the driven bevel gear (31) is connected to a transmission shaft (310) extending from the top of the gear box (3); the operating rod (6) is vertically arranged and fixed on the transmission shaft (310) to rotate with the driven bevel gear (31); The strip-shaped installation box (7) is provided with: a vertically axial main gear (70) and a driven gear (71), and a chain belt (72) connecting the main gear (70) and the driven gear (71); The main gear (70) and the driven gear (71) are respectively arranged at two ends of the inner part of the strip-shaped installation box (7); a connection hole is arranged at the bottom of the strip-shaped installation box (7) directly opposite to the main gear (70); the operating rod (6) is inserted through the connection hole and is transmission-connected with the main gear (70); an output hole is arranged at the top of the strip-shaped installation box (7) directly opposite to the driven gear (71); a vertical output shaft (710) is arranged on the driven gear (71); the output shaft (710) extends out of the output hole; and a meshing sleeve (2) is vertically arranged at the bottom and is connected with the output shaft (710); The top of the engagement sleeve (8) is provided with a connection groove for docking with the nut.

2. The ground potential high-altitude live tightening tool for nuts toward the ground according to claim 1, characterized in that: It also includes a positioning plate group (4) and a binding belt (5); the positioning plate group (4) includes a plurality of strip-shaped positioning plates connected together by means of a tightening bolt (40); one end of the positioning plate group (4) is connected to the binding belt (5) and the other end is fixed to the telescopic sleeve (2) or the gear box (3).

3. The ground potential high-altitude live tightening tool for nuts toward the ground according to claim 2, characterized in that: A section of the positioning plate group (4) is provided with a through hole and is sleeved on the telescopic sleeve (2).

4. The ground potential high-altitude live tightening tool for nuts toward the ground according to claim 1, characterized in that: The operating rod (6) is a telescopic structure, comprising an operating cylinder connected to the driven bevel gear (31), and a telescopic rod telescopically inserted into the operating cylinder; the operating cylinder is provided with a plurality of positioning pin holes or positioning screw holes; the telescopic rod is provided with a hole that can be connected to the positioning pin hole or the positioning reaming hole; A detachable positioning pin is arranged in the positioning pin hole, and a positioning bolt (11) is arranged in the positioning screw hole.

5. The ground potential high-altitude live tightening tool for nuts toward the ground according to claim 4, characterized in that: The telescopic sleeve (2) comprises an inner cylinder (20) whose bottom is sleeved with the ground plug (1) and an outer cylinder (21) sleeved on the top of the inner cylinder (20); a connecting column (22) is provided on the top of the outer cylinder (21); a hole for docking with the connecting column (22) is provided on the bottom of the gear box (3); and an anti-drop pin (23) is provided on the top of the connecting column (22).

6. A method for using the ground potential high-altitude live tightening tool for ground-facing nuts as claimed in claim 5, characterized in that: The steps include: Step 1, determine the high-altitude ground nut that needs to be tightened, locate the high-altitude ground nut at the right position, align the engagement sleeve (8) with the high-altitude ground nut, adjust the height of the telescopic sleeve, or adjust the height of the telescopic sleeve and the telescopic operating rod at the same time, and find a suitable ground installation plug; Step 2, adjusting the tension bolts to control the relative position relationship between the strip-shaped positioning plates so that the binding straps (5) on the positioning plate group (4) can be bound to a nearby fixed structure such as a pole; Step 3, adjust the height of the telescopic sleeve again, or adjust the height and angle of the telescopic sleeve and the telescopic operating rod at the same time, so that the engaging sleeve (8) is docked with the high-altitude nut facing the ground; Step 5: Connect the output shaft of the power device to the power shaft (300) to drive the sleeve to achieve the tightening operation.