CN214176670U

CN214176670U - Telescopic insulating spacer

Info

Publication number: CN214176670U
Application number: CN202022768353.XU
Authority: CN
Inventors: 吴学安; 崔琳; 余涛; 冯艺; 李文; 王运彪; 万智勇; 曾宜; 梁伟; 李卫平; 胡超; 卢江红
Original assignee: Yichang Power Supply Co of State Grid Hubei Electric Power Co Ltd
Current assignee: Yichang Power Supply Co of State Grid Hubei Electric Power Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-10
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of electric power system. The telescopic insulating spacer is characterized by comprising a left outer lead fixing clamping seat, a left telescopic rod, a left inner lead fixing clamping seat, a left insulating main pipe, a telescopic driving mechanism, a right telescopic rod, a right insulating main pipe, a right inner lead fixing clamping seat and a right outer lead fixing clamping seat; the outer lead fixing clamping seat is fixed at the left end part of the left telescopic rod, and the left inner lead fixing clamping seat is fixed at the left part of the left telescopic rod; the right end part of the left insulating main pipe is fixedly connected with the left end part of the bevel gear box of the telescopic driving mechanism, and the right end part of the left telescopic rod penetrates into the through hole of the left insulating main pipe to be connected with the telescopic driving mechanism; the right outer lead fixing clamping seat is fixed at the right end part of the right telescopic rod, and the right inner lead fixing clamping seat is fixed at the right part of the right telescopic rod; the left end part of the right telescopic rod penetrates into the through hole of the right insulating main pipe to be connected with the telescopic driving mechanism. The width of lifting channel when the pole is assembled can be increased, and the specified safety distance between the pole and the low-voltage wire can be effectively ensured.

Description

Telescopic insulating spacer

Technical Field

The utility model belongs to the technical field of electric power system, concretely relates to telescopic insulating conductor spacer.

Background

When the electric pole is assembled under the electrification of 0.4kV and 10kV, the safe air gap between the leads cannot be guaranteed. The insulation tool is urgently needed to open the wires, the width of a lifting channel is increased when the electric pole is assembled, and the specified safety distance between the electric pole and the low-voltage wire is guaranteed.

Disclosure of Invention

An object of the utility model is to provide a telescopic insulating conductor spacer, the width of lift passageway when multiplicable assemblage pole, the safe distance of regulation between effectual assurance pole and the low pressure wire.

In order to realize the purpose, the utility model adopts the technical scheme that: the telescopic insulating spacer is characterized by comprising a left outer lead fixing clamping seat, a left telescopic rod, a left inner lead fixing clamping seat, a left insulating main pipe, a telescopic driving mechanism, a right telescopic rod, a right insulating main pipe, a right inner lead fixing clamping seat and a right outer lead fixing clamping seat; the outer lead fixing clamping seat is fixed at the left end part of the left telescopic rod, the left inner lead fixing clamping seat is fixed at the left part of the left telescopic rod, and the left inner lead fixing clamping seat is positioned at the right side of the left outer lead fixing clamping seat; the left insulating main pipe is internally provided with a through hole, the right end part of the left insulating main pipe is fixedly connected with the left end part of the bevel gear box of the telescopic driving mechanism, and the right end part of the left telescopic rod penetrates into the through hole of the left insulating main pipe to be connected with the telescopic driving mechanism; the right outer lead fixing clamping seat is fixed at the right end part of the right telescopic rod, the right inner lead fixing clamping seat is fixed at the right part of the right telescopic rod, and the right inner lead fixing clamping seat is positioned at the left side of the right outer lead fixing clamping seat; the right insulating main pipe is internally provided with a through hole, the left end part of the right insulating main pipe is fixedly connected with the right end part of the bevel gear box of the telescopic driving mechanism, and the left end part of the right telescopic rod penetrates into the through hole of the right insulating main pipe to be connected with the telescopic driving mechanism;

the telescopic driving mechanism comprises a reverse-tooth screw rod, a left nut, a bevel gear box, a main transmission shaft, a right nut, a positive-tooth screw rod, a right bearing, a left bearing, an upper bearing, a driving bevel gear, a right driven bevel gear, a lower bearing and a left driven bevel gear; a gear cavity is arranged in the bevel gear box, an upper opening, a left opening and a right opening are arranged on the bevel gear box, the upper opening, the left opening and the right opening are respectively communicated with the gear cavity, the central axis of the left opening and the central axis of the right opening are positioned on the same axis, and the central axis of the upper opening is vertical to the central axes of the left opening and the right opening; the driving bevel gear, the right driven bevel gear and the left driven bevel gear are all positioned in a gear cavity of the bevel gear box, the right driven bevel gear is positioned on the right side of the left driven bevel gear, the central axis of the right driven bevel gear and the central axis of the left driven bevel gear are positioned on the same axis, and the central axis of the driving bevel gear is vertical to the central axes of the right driven bevel gear and the left driven bevel gear; the lower part of the main transmission shaft penetrates into the gear cavity through the upper opening of the bevel gear box, the lower end part of the main transmission shaft is connected with the bevel gear box through a lower bearing, the upper part of the main transmission shaft is connected with the bevel gear box through an upper bearing, the driving bevel gear is arranged on the main transmission shaft, and the right driven bevel gear and the left driven bevel gear are respectively meshed with the driving bevel gear; the through hole of the left insulating main pipe is communicated with the gear cavity through a left opening, and the through hole of the right insulating main pipe is communicated with the gear cavity through a right opening;

a through hole is formed in the left telescopic rod, a left nut is fixed at the right end of the left telescopic rod and screwed on a reverse screw rod, the left part of the reverse screw rod is positioned in the through hole of the left telescopic rod, the right part of the reverse screw rod is positioned in the through hole of the left insulating main pipe, the right end part of the reverse screw rod is connected with an umbrella tooth box through a left bearing, a left driven bevel gear is positioned on the right side of the left bearing, and the right end of the reverse screw rod is connected with a left driven bevel gear;

the right telescopic rod is internally provided with a through hole, the left end of the right telescopic rod is fixedly provided with a right nut, the right nut is screwed on the orthodontic screw rod, the right part of the orthodontic screw rod is positioned in the through hole of the right telescopic rod, the left part of the orthodontic screw rod is positioned in the through hole of the right insulating main pipe, the left end part of the orthodontic screw rod is connected with the bevel gear box through a right bearing, the right driven bevel gear is positioned on the left side of the right bearing, and the left end of the orthodontic screw rod is connected with the right driven bevel gear.

The left inner lead fixing clamping seat comprises an opening clamping ring, a U-shaped supporting plate and a clamping pin, the U-shaped supporting plate is fixed on the opening clamping ring, two end parts of the U-shaped supporting plate are respectively provided with a bolt hole, and the clamping pin is inserted into the bolt hole; the two ends of the open clamping ring are respectively provided with a screw rod through hole, the open clamping ring is sleeved on the left telescopic rod, and one end of the screw rod penetrates through the 2 screw rod through holes in the open clamping ring and then is screwed with a nut.

The upper end part of the main transmission shaft is a square head.

The utility model has the advantages that: the width of lifting channel when the pole is assembled can be increased, and the specified safety distance between the pole and the low-voltage wire can be effectively ensured.

Drawings

Fig. 1 is a schematic structural view of the telescopic insulating spacer of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the fixing seat of the telescopic insulating spacer of the present invention.

In the figure: 1-left outer lead fixing clamping seat, 2-left telescopic rod, 3-left inner lead fixing clamping seat, 4-left insulating main pipe, 5-inverse tooth screw rod, 6-left nut, 7-bevel gear box, 8-main transmission shaft, 9-right nut, 10-orthodontics screw rod, 11-right telescopic rod, 12-right insulating main pipe, 13-right inner lead fixing clamping seat, 14-right outer lead fixing clamping seat, 15-right bearing, 16-gear cavity, 17-left bearing, 18-upper bearing, 19-driving bevel gear, 20-right driven bevel gear, 21-lower bearing, 22-left driven bevel gear, 23-open snap ring, 24-U-shaped supporting plate and 25-bayonet.

Detailed Description

As shown in fig. 1-3, the telescopic insulating spacer includes a left outer conductor fixing clamping seat 1, a left telescopic rod 2, a left inner conductor fixing clamping seat 3, a left insulating main pipe 4, a telescopic driving mechanism, a right telescopic rod 11, a right insulating main pipe 12, a right inner conductor fixing clamping seat 13, and a right outer conductor fixing clamping seat 14; the outer lead fixing clamping seat 1 is fixed at the left end part of the left telescopic rod 2 (the left side in fig. 1 is the left side, and the right side is the right side), the left inner lead fixing clamping seat 3 is fixed at the left part of the left telescopic rod 2, and the left inner lead fixing clamping seat 3 is positioned at the right side of the left outer lead fixing clamping seat 1; a through hole is formed in the left insulating main pipe 4, the right end of the left insulating main pipe 4 is fixedly connected with the left end of the bevel gear box 7 of the telescopic driving mechanism (the left end of the left insulating main pipe 4 is a free end), and the right end of the left telescopic rod 2 penetrates into the through hole of the left insulating main pipe 4 to be connected with the telescopic driving mechanism (the left telescopic rod 2 can move in the left insulating main pipe 4, and the telescopic driving mechanism enables the left telescopic rod 2 to stretch in the left-right direction); the right outer lead fixing clamping seat 14 is fixed at the right end part of the right telescopic rod 11, the right inner lead fixing clamping seat 13 is fixed at the right part of the right telescopic rod 11, and the right inner lead fixing clamping seat 13 is positioned at the left side of the right outer lead fixing clamping seat 14; a through hole is formed in the right main insulating pipe 12, the left end of the right main insulating pipe 12 is fixedly connected with the right end of the bevel gear box 7 of the telescopic driving mechanism (the right end of the right main insulating pipe 12 is a free end), and the left end of the right telescopic rod 11 penetrates into the through hole of the right main insulating pipe 12 to be connected with the telescopic driving mechanism (the right telescopic rod 11 can move in the right main insulating pipe 12, and the telescopic driving mechanism enables the right telescopic rod 11 to stretch in the left-right direction);

the telescopic driving mechanism comprises a reverse screw rod (reverse threaded rod) 5, a left nut 6, a bevel gear box 7, a main transmission shaft 8, a right nut 9, a positive screw rod (positive threaded rod) 10, a right bearing 15, a left bearing 17, an upper bearing 18, a driving bevel gear 19, a right driven bevel gear20. A lower bearing 21, a left driven bevel gear 22; a gear cavity 16 is arranged in the bevel gear box 7, an upper opening, a left opening and a right opening are arranged on the bevel gear box 7, the upper opening, the left opening and the right opening are respectively communicated with the gear cavity 16, the central axis of the left opening and the central axis of the right opening are positioned on the same axis, and the central axis of the upper opening is vertical to the central axes of the left opening and the right opening; driving bevel gear (bevel gear or bevel gear, 45)⁰Bevel gear) 19, a right driven bevel gear 20 and a left driven bevel gear 22 are all positioned in a gear cavity 16 of the bevel gear box 7, the right driven bevel gear 20 is positioned at the right side of the left driven bevel gear 22, the central axis of the right driven bevel gear 20 and the central axis of the left driven bevel gear 22 are positioned on the same axis, and the central axis of the driving bevel gear 19 is perpendicular to the central axes of the right driven bevel gear 20 and the left driven bevel gear 22; the lower part of the main transmission shaft 8 penetrates into the gear cavity 16 through the upper opening of the bevel gear box 7, the lower end part of the main transmission shaft 8 is connected with the bevel gear box 7 through a lower bearing 21, the upper part of the main transmission shaft 8 is connected with the bevel gear box 7 through an upper bearing 18, a driving bevel gear 19 is arranged on the main transmission shaft 8, and a right driven bevel gear 20 and a left driven bevel gear 22 are respectively meshed with the driving bevel gear 19; the through hole of the left insulating main pipe 4 is communicated with the gear cavity 16 through a left opening, and the through hole of the right insulating main pipe 12 is communicated with the gear cavity 16 through a right opening;

a through hole is formed in the left telescopic rod 2, a left nut 6 is fixed at the right end of the left telescopic rod 2 (the left nut 6 can also be fixed in the through hole of the left telescopic rod 2), the left nut 6 is screwed on a reverse screw rod (reverse threaded rod) 5, the left part of the reverse screw rod 5 is positioned in the through hole of the left telescopic rod 2, the right part of the reverse screw rod 5 is positioned in the through hole of the left insulating main pipe 4, the right end of the reverse screw rod 5 is connected with a bevel gear box 7 through a left bearing 17 (the left bearing 17 is positioned in the left opening of the bevel gear box 7), a left driven bevel gear 22 is positioned at the right side of the left bearing 17, and the right end of the reverse screw rod 5 is connected with the left driven bevel gear 22 (for example, the left driven bevel gear 22 rotates reversely to drive the reverse screw rod 5 to rotate reversely, and the left nut 6 drives the left telescopic rod 2 to move leftwards);

the right telescopic rod 11 is internally provided with a through hole, the left end of the right telescopic rod 11 is fixedly provided with a right nut 9 (the right nut 9 can also be fixed in the through hole of the right telescopic rod 11), the right nut 9 is screwed on a orthodontic lead screw (a positive threaded rod) 10, the right part of the orthodontic lead screw 10 is positioned in the through hole of the right telescopic rod 11, the left part of the orthodontic lead screw 10 is positioned in the through hole of the right main insulated pipe 12, the left end part of the orthodontic lead screw 10 is connected with the bevel gear box 7 through a right bearing 15 (the right bearing 15 is positioned in the right opening of the bevel gear box 7, the right bearing 15 can also be positioned in the through hole of the right main insulated pipe 12), the right driven bevel gear 20 is positioned at the left side of the right bearing 15, and the left end of the orthodontic lead screw 10 is connected with the right driven bevel gear 20 (for example, the right driven bevel gear 20 rotates to drive the orthodontic lead screw 10 to rotate, the right nut 9 drives the right telescopic rod 11, namely, the main transmission shaft 8 rotates to drive the left telescopic rod 2 and the right telescopic rod 11 to extend outwards or retract simultaneously.

The left inner lead fixing clamping seat 3 comprises a split snap ring 23, a U-shaped supporting plate 24 and a clamping pin 25, the U-shaped supporting plate 24 is fixed on the split snap ring 23, two end parts of the U-shaped supporting plate 24 are respectively provided with a bolt hole, and the clamping pin 25 is inserted into the bolt hole (the upper end part of the clamping pin 25 is provided with a stop block); two ends of the split snap ring 23 are respectively provided with a screw rod through hole, the split snap ring 23 is sleeved on the left telescopic rod 2, and one end of the screw rod penetrates through the 2 screw rod through holes on the split snap ring 23 and then is screwed with a nut.

The upper end of the main transmission shaft 8 is a square head (which can be rotated by a wrench).

The structures of the left outer lead fixing clamping seat 1, the right inner lead fixing clamping seat 13 and the right outer lead fixing clamping seat 14 are the same as the structure of the left inner lead fixing clamping seat 3.

1. The types are as follows: insulating tool, model: DHCG; 2. name: telescopic insulating spacer, 3, telescopic length: 1.9-3 m, 4, main pipe material: epoxy resin extraction pipe, 5, wire fixing clamping seat (wire supporting clamp) material: high strength nylon, 6, electrical properties: 100kV/1min/0.4 m, 7, service voltage class: 0.4KV-10kV general purpose, 8, weight: 3.5 kg.

Use of: 1. the fixed cassette 1 of outer wire in a left side and the fixed cassette 3's of inner wire position are fixed, and 2 wires on the left of the pole block wherein respectively (take bayonet lock 25 out earlier, put into U type layer board 24 with the wire again, then insert bayonet lock 25), and the interval of 2 wires has just also been fixed promptly (in addition, the position of the fixed cassette 3 of inner wire in a left side can be artificial adjustment as required). 2. The fixed cassette 13 of the right inner conductor and the fixed cassette 14 of the right outer conductor are fixed, and 2 conductors on the right side of the electric pole are respectively clamped in the fixed cassette, namely, the space between the 2 conductors is also fixed (in addition, the position of the fixed cassette 13 of the right inner conductor can be manually adjusted as required). 3. The main transmission shaft 8 rotates to drive the left telescopic rod 2 and the right telescopic rod 11 to simultaneously extend outwards or retract, namely, the distance between the left and right wires can be kept at a certain distance. 4. After the operation is completed, the bayonet 25 is pulled out to limit the wire.

When the telescopic insulating spacer is used for assembling electric poles in an electrified state at 0.4kV and 10kV, the telescopic insulating spacer is arranged to spread the wires, so that the width of a lifting channel during assembling the electric poles can be increased, and the specified safety distance between the electric poles and the low-voltage wires is effectively ensured; the telescopic insulating spacer is made of high-insulating epoxy resin materials and nylon materials, four lead fixing clamping seats (lead fixing devices) are arranged on the surface of the insulating spacer, and an operator can extend the spacer by using an electric wrench to achieve the purpose of expanding the leads and increasing the safe air gap; the novel insulating spacer has the advantages of good insulating property, high mechanical strength, convenience in operation, firmness and reliability in installation and the like.

Instructions for use: the operating personnel dress personal protection apparatus, place telescopic insulating conductor spacer on the low pressure wire that has shielded earlier, then put into the fixed cassette of wire of conductor spacer with the low pressure wire gradually mutually, close bayonet lock (safety catch), use electric spanner to stretch out and draw back the operation to it at last.

Note that: firstly, an arc-proof clothes and an arc-proof two-in-one insulating glove are worn during installation; secondly, the low-voltage lead is placed into a fixed clamping seat of the spacing rod, and the closing of a safety pin of the clamping seat is confirmed; and thirdly, when the electric wrench is used for stretching the insulating spacer, the process should be slowly carried out at a constant speed.

Claims

1. The telescopic insulating spacer is characterized by comprising a left outer lead fixing clamping seat (1), a left telescopic rod (2), a left inner lead fixing clamping seat (3), a left insulating main pipe (4), a telescopic driving mechanism, a right telescopic rod (11), a right insulating main pipe (12), a right inner lead fixing clamping seat (13) and a right outer lead fixing clamping seat (14); the outer lead fixing clamping seat (1) is fixed at the left end part of the left telescopic rod (2), the left inner lead fixing clamping seat (3) is fixed at the left part of the left telescopic rod (2), and the left inner lead fixing clamping seat (3) is positioned at the right side of the left outer lead fixing clamping seat (1); a through hole is formed in the left insulating main pipe (4), the right end part of the left insulating main pipe (4) is fixedly connected with the left end part of an umbrella tooth box (7) of the telescopic driving mechanism, and the right end part of the left telescopic rod (2) penetrates into the through hole of the left insulating main pipe (4) to be connected with the telescopic driving mechanism; a right outer lead fixing clamping seat (14) is fixed at the right end part of the right telescopic rod (11), a right inner lead fixing clamping seat (13) is fixed at the right part of the right telescopic rod (11), and the right inner lead fixing clamping seat (13) is positioned at the left side of the right outer lead fixing clamping seat (14); the right insulating main pipe (12) is internally provided with a through hole, the left end part of the right insulating main pipe (12) is fixedly connected with the right end part of the bevel gear box (7) of the telescopic driving mechanism, and the left end part of the right telescopic rod (11) penetrates into the through hole of the right insulating main pipe (12) to be connected with the telescopic driving mechanism.

2. The telescopic insulating spacer of claim 1 wherein: the telescopic driving mechanism comprises a reverse tooth screw rod (5), a left nut (6), a bevel gear box (7), a main transmission shaft (8), a right nut (9), a positive tooth screw rod (10), a right bearing (15), a left bearing (17), an upper bearing (18), a driving bevel gear (19), a right driven bevel gear (20), a lower bearing (21) and a left driven bevel gear (22); a gear cavity (16) is arranged in the bevel gear box (7), an upper opening, a left opening and a right opening are arranged on the bevel gear box (7), the upper opening, the left opening and the right opening are respectively communicated with the gear cavity (16), the central axis of the left opening and the central axis of the right opening are positioned on the same axis, and the central axis of the upper opening is vertical to the central axes of the left opening and the right opening; the driving bevel gear (19), the right driven bevel gear (20) and the left driven bevel gear (22) are all positioned in a gear cavity (16) of the bevel gear box (7), the right driven bevel gear (20) is positioned on the right side of the left driven bevel gear (22), the central axis of the right driven bevel gear (20) and the central axis of the left driven bevel gear (22) are positioned on the same axis, and the central axis of the driving bevel gear (19) is perpendicular to the central axes of the right driven bevel gear (20) and the left driven bevel gear (22); the lower part of a main transmission shaft (8) penetrates into a gear cavity (16) through an upper opening of a bevel gear box (7), the lower end part of the main transmission shaft (8) is connected with the bevel gear box (7) through a lower bearing (21), the upper part of the main transmission shaft (8) is connected with the bevel gear box (7) through an upper bearing (18), a driving bevel gear (19) is installed on the main transmission shaft (8), and a right driven bevel gear (20) and a left driven bevel gear (22) are respectively meshed with the driving bevel gear (19); the through hole of the left insulating main pipe (4) is communicated with the gear cavity (16) through a left opening, and the through hole of the right insulating main pipe (12) is communicated with the gear cavity (16) through a right opening;

a through hole is formed in the left telescopic rod (2), a left nut (6) is fixed at the right end of the left telescopic rod (2), the left nut (6) is screwed on a reverse screw rod (5), the left part of the reverse screw rod (5) is positioned in the through hole of the left telescopic rod (2), the right part of the reverse screw rod (5) is positioned in the through hole of the left insulating main pipe (4), the right end part of the reverse screw rod (5) is connected with an umbrella tooth box (7) through a left bearing (17), a left driven bevel gear (22) is positioned at the right side of the left bearing (17), and the right end of the reverse screw rod (5) is connected with the left driven bevel gear (22);

the right telescopic rod (11) is internally provided with a through hole, the left end of the right telescopic rod (11) is fixed with a right nut (9), the right nut (9) is screwed on an orthodontic screw rod (10), the right part of the orthodontic screw rod (10) is positioned in the through hole of the right telescopic rod (11), the left part of the orthodontic screw rod (10) is positioned in the through hole of the right insulating main pipe (12), the left end part of the orthodontic screw rod (10) is connected with an umbrella tooth box (7) through a right bearing (15), a right driven bevel gear (20) is positioned on the left side of the right bearing (15), and the left end of the orthodontic screw rod (10) is connected with a right driven bevel gear (20).

3. The telescopic insulating spacer of claim 1 wherein: the left inner lead fixing clamping seat (3) comprises a split snap ring (23), a U-shaped supporting plate (24) and clamping pins (25), the U-shaped supporting plate (24) is fixed on the split snap ring (23), two end parts of the U-shaped supporting plate (24) are respectively provided with a bolt hole, and the clamping pins (25) are inserted into the bolt holes; two ends of the split snap ring (23) are respectively provided with a screw rod through hole, the split snap ring (23) is sleeved on the left telescopic rod (2), and one end of the screw rod penetrates through the 2 screw rod through holes in the split snap ring (23) and then is screwed with a nut.