CN215451262U - Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system - Google Patents

Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system Download PDF

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Publication number
CN215451262U
CN215451262U CN202121925314.4U CN202121925314U CN215451262U CN 215451262 U CN215451262 U CN 215451262U CN 202121925314 U CN202121925314 U CN 202121925314U CN 215451262 U CN215451262 U CN 215451262U
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China
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metal
frame structure
rotating
locking
mounting base
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CN202121925314.4U
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Chinese (zh)
Inventor
陈宏兴
李敏
张连云
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Shandong Qiyuan Power Engineering Co ltd
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Shandong Qiyuan Power Engineering Co ltd
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Abstract

The utility model provides an unlocking fork presser matched with a special connector for a high-voltage power transmission and distribution system, which comprises a mounting base, a communication hole, a self-locking rotating frame structure, a metal rotating ring, a locking spring, an elastic connecting rod frame structure, a metal rotating pipe, a connecting and protecting frame structure, a fixed insulating column, a fixed contact, a rotating piece, a supporting insulator, an incoming wire binding post and an outgoing wire binding post, wherein the communication hole is formed in the right side in the mounting base; the self-locking rotating frame structure is arranged on the right side of the lower part of the mounting base; the metal rotating ring is arranged at the lower part of the self-locking rotating frame structure. The utility model has the beneficial effects that: through the setting of metal swivel ring, connection carousel and side fixing base, be favorable to driving the adapter sleeve and remove, it is rotatory to drive the metal swivel pipe through adapter sleeve's removal, opens and shuts the device's contact, still makes things convenient for the staff to stand and rotates the metal swivel pipe subaerial.

Description

Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system
Technical Field
The utility model belongs to the technical field of high-voltage transmission and distribution electrolytic lock pressure forks, and particularly relates to an unlocking pressure fork which is matched with a special connector of a high-voltage transmission and distribution system.
Background
The unlocking fork pressing device is a switch device which is mainly used for isolating power supply and switching operation, is used for communication and has no arc extinguishing function, when the isolating switch is in a separated position, the contacts have insulation distances meeting the specified requirements and obvious disconnection marks, and when the isolating switch is in a closed position, the switch device can bear current under the normal loop condition and current under the abnormal condition within the specified time.
However, the existing unlocking fork-clamping device matched with the special connector for the high-voltage power transmission and distribution system also has the problems that the locking is inconvenient when a worker closes the switch at the bottom, and the electric arc is easy to occur when the virtual connection and the contact separation or the closing are caused by the easy existence of gaps at the connection part.
Therefore, it is necessary to invent an unlocking fork pressing device for a connector dedicated for a high-voltage power transmission and distribution system.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an unlocking fork connector which is matched with a special connector of a high-voltage power transmission and distribution system, wherein the unlocking fork connector is realized by the following technical scheme:
an unlocking fork presser matched with a special connector for a high-voltage power transmission and distribution system comprises a mounting base, a communication hole, a self-locking rotating frame structure, a metal rotating ring, a locking spring, an elastic connecting rod frame structure, a metal rotating pipe, a connecting protection frame structure, a fixed insulating column, a fixed contact, a rotating piece, a supporting insulator, an incoming line binding post and an outgoing line binding post, wherein the communication hole is formed in the right side in the mounting base; the self-locking rotating frame structure is arranged on the right side of the lower part of the mounting base; the metal rotating ring is arranged at the lower part of the self-locking rotating frame structure; the locking spring screw is connected to the right side of the lower part of the mounting base; the elastic connecting rod frame structure is arranged on the inner side of the communicating hole; the metal rotating pipe is connected to the upper part of the elastic connecting rod frame structure; the connecting protection frame structure is arranged on the right side of the metal rotating pipe; the fixed insulating column is connected to the right side of the upper part of the mounting base through a bolt; the fixed contact is embedded in the upper part of the inner side of the fixed insulating column; the rotating piece is coupled to the left side of the metal rotating pipe in a shaft mode; the supporting insulator is connected to the left side of the upper part of the mounting base through a bolt; the incoming wiring terminal is embedded in the upper part of the supporting insulator; the outgoing line binding post is embedded in the middle of the right side of the supporting insulator.
Preferably, the lower part of the incoming wiring terminal and the outgoing wiring terminal are integrally arranged.
Preferably, the rotating piece is connected to the inner side of the outlet binding post through a bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the arrangement of the metal rotating ring, the connecting turntable and the side fixing seat is favorable for driving the connecting sleeve to move, the metal rotating pipe is driven to rotate by the movement of the connecting sleeve, the contact of the device is opened and closed, and a worker can conveniently stand on the ground to rotate the metal rotating pipe.
2. According to the utility model, the arrangement of the ratchet wheel turntable, the locking claw and the locking spring is beneficial to locking the rotating angle of the connecting turntable through the ratchet wheel mechanism consisting of the ratchet wheel turntable, the locking claw and the locking spring, and the locking effect of the device is improved without manual locking of workers.
3. In the utility model, the arrangement of the metal connecting rod and the movable pull ring is beneficial to facilitating a worker to stand on the ground and move the locking claw by using the insulating rod, and the locking effect function of the connecting turntable is cancelled, so that the metal rotating pipe rotates downwards by the weight of the metal rotating pipe, and the contact is closed.
4. According to the utility model, the arrangement of the pull rod insulating column and the movable lug plate is beneficial to driving the metal rotating pipe to rotate, so that the contact of the device is controlled to be opened and closed, and meanwhile, the pull rod insulating column arranged in an insulating way can prevent voltage conduction on the metal rotating pipe and prevent workers from electric shock.
5. According to the utility model, the arrangement of the metal T-shaped rod, the extension spring, the connecting sleeve and the limiting connecting plate is beneficial to pulling the metal rotating pipe downwards through the extension force of the extension spring, so that the contact on the right side of the metal rotating pipe is tightly attached to the static contact, and the virtual connection at the connecting position is prevented.
6. In the utility model, the arrangement of the ceramic insulating cover and the ceramic arc-extinguishing plate is beneficial to playing a protection effect on the movable contact, the movable contact is prevented from being damaged after the movable contact and the fixed contact collide for many times, and the service life of the movable contact is prolonged.
7. According to the utility model, the arrangement of the metal rotary pipe and the connecting copper rod is beneficial to conveniently detaching the ceramic insulating cover from the right side of the metal rotary pipe and replacing the ceramic insulating cover, so that the maintenance cost of the device is reduced.
8. In the utility model, the arrangement of the spring piece is beneficial to pushing the ceramic arc-extinguishing plate to rotate downwards through the elasticity of the spring piece, so that the ceramic arc-extinguishing plate is blocked between the movable contact and the static contact, and the electric arc between the movable contact and the static contact is eliminated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the self-locking rotating frame structure of the utility model.
Fig. 3 is a schematic structural view of the elastic link frame structure of the present invention.
Fig. 4 is a schematic structural view of the connecting protection frame structure of the present invention.
In the figure:
1. mounting a base; 2. a communicating hole; 3. a self-locking swivel mount structure; 31. connecting the rotary table; 32. a ratchet wheel turntable; 33. a side fixing seat; 34. a locking claw; 35. a metal connecting rod; 36. moving the pull ring; 4. a metal rotating ring; 5. a locking spring; 6. an elastic connecting rod rest structure; 61. a pull rod insulating column; 62. moving the ear plate; 63. a metal T-bar; 64. an extension spring; 65. connecting a sleeve; 66. a limiting connecting plate; 7. a metal rotary pipe; 8. connecting a protective frame structure; 81. a ceramic insulating cover; 82. a movable contact; 83. connecting a copper rod; 84. a ceramic arc plate; 85. a spring plate; 9. fixing the insulating column; 10. static contact; 11. a rotating member; 12. a support insulator; 13. an incoming wiring terminal; 14. and (4) a wiring terminal.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, an unlocking fork press for a connector dedicated for a high-voltage power transmission and distribution system includes a mounting base 1, a communication hole 2, a self-locking rotating frame structure 3, a metal rotating ring 4, a locking spring 5, an elastic connecting rod frame structure 6, a metal rotating pipe 7, a connecting protection frame structure 8, a fixed insulating column 9, a static contact 10, a rotating member 11, a supporting insulator 12, an incoming wiring terminal 13 and an outgoing wiring terminal 14, wherein the communication hole 2 is arranged on the right side inside the mounting base 1; the self-locking rotating frame structure 3 is arranged on the right side of the lower part of the mounting base 1; the metal rotating ring 4 is arranged at the lower part of the self-locking rotating frame structure 3; the locking spring 5 is connected to the right side of the lower part of the mounting base 1 through a screw; the elastic connecting rod rest structure 6 is arranged on the inner side of the communicating hole 2; the metal rotating pipe 7 is connected to the upper part of the elastic connecting rod frame structure 6; the connecting protection frame structure 8 is arranged on the right side of the metal rotating pipe 7; the fixed insulating column 9 is connected to the right side of the upper part of the mounting base 1 through a bolt; the static contact 10 is embedded at the upper part of the inner side of the fixed insulating column 9; the rotating piece 11 is coupled to the left side of the metal rotating pipe 7; the supporting insulator 12 is connected to the left side of the upper part of the mounting base 1 through a bolt; the wire inlet wiring terminal 13 is embedded at the upper part of the supporting insulator 12; the outgoing line binding post 14 is embedded in the middle position of the right side of the supporting insulator 12; the self-locking rotating frame structure 3 comprises a connecting rotating disc 31, a ratchet rotating disc 32, a side fixing seat 33, a locking claw 34, a metal connecting rod 35 and a movable pull ring 36, wherein the ratchet rotating disc 32 is integrally arranged at the front end of the connecting rotating disc 31; the side fixed seat 33 is arranged at the front end of the ratchet wheel rotating disc 32; the locking claw 34 is axially connected to the right side of the upper part of the side fixed seat 33; the metal connecting rod 35 is welded on the right side of the locking claw 34; the movable pull ring 36 is integrally arranged at the right side of the metal connecting rod 35; the staff stands on ground, pegs graft the top of insulator spindle in the inboard that removes pull ring 36, through metal connecting rod 35 upper right portion pulling locking claw 34, through the weight of elastic connecting rod frame structure 6 self, drives the metal rotary pipe 7 rotatory.
As shown in fig. 3, in the above embodiment, specifically, the elastic linkage rod rest structure 6 includes a pull rod insulating column 61, a moving lug plate 62, a metal T-shaped rod 63, an extension spring 64, a connecting sleeve 65 and a limit connecting plate 66, where the moving lug plate 62 is embedded in the upper portion of the pull rod insulating column 61; the upper part of the metal T-shaped rod 63 is embedded at the lower part of the pull rod insulating column 61; the extension spring 64 is sleeved on the upper part of the outer side of the metal T-shaped rod 63; the connecting sleeve 65 is sleeved at the lower part of the outer side of the metal T-shaped rod 63; the limiting connecting plate 66 is integrally arranged at the upper part of the connecting sleeve 65; the connecting sleeve 65 is pulled downwards by the connecting turntable 31, and the contact of the device is closed by applying downward pressure on the metal rotating pipe 7 by the pulling force of the extension spring 64 and the matched metal T-shaped rod 63.
In the above embodiment, as shown in fig. 4, specifically, the connecting protection frame structure 8 includes a ceramic insulating cover 81, a movable contact 82, a connecting copper rod 83, a ceramic arc-extinguishing plate 84 and a spring plate 85, wherein the movable contact 82 is embedded in the upper part of the inner side of the ceramic insulating cover 81; the connecting copper rod 83 is embedded in the left upper part of the inner side of the ceramic insulating cover 81; the ceramic arc-extinguishing plates 84 are respectively connected to the left side and the right side of the lower part of the inner side of the ceramic insulating cover 81 in a shaft manner; two spring pieces 85 are arranged and are respectively connected to the upper parts of the ceramic arc-extinguishing plates 84 through screws; when the moving contact 82 and the static contact 10 are separated, the metal rotating tube 7 drives the ceramic insulating cover 81 to rotate upwards, and when the static contact 10 moves out of the inner side of the ceramic insulating cover 81, the spring piece 85 pushes the ceramic arc-extinguishing plate 84 to rotate downwards, and the ceramic arc-extinguishing plate 84 eliminates electric arcs.
In the above embodiment, specifically, the lower part of the incoming line binding post 13 and the outgoing line binding post 14 are integrally arranged, and the rotating part 11 is connected to the inner side of the outgoing line binding post 14 through a bolt, so that the joint is convenient to replace.
In the above embodiment, specifically, the lower portion of the side fixing seat 33 is coupled to the middle position of the ratchet wheel 32, so as to ensure the normal rotation of the ratchet wheel 32.
In the above embodiment, specifically, the side of the locking claw 34 far away from the side fixing seat 33 is clamped at the right upper part of the inner side of the ratchet turntable 32, so as to achieve the effect of automatic locking.
In the above embodiment, specifically, the connection turntable 31 is disposed at the front end of the communication hole 2, and the upper portion of the side fixing seat 33 is connected with the lower portion of the mounting base 1 by a bolt, so as to ensure that the connection turntable 31 drives the connection sleeve 65 to move.
In the above embodiment, specifically, the metal rotating ring 4 is welded at the middle position of the lower portion of the connecting rotary disc 31, the lower portion of the locking spring 5 is bolted to the upper portion of the metal connecting rod 35, and the locking claw 34 is pushed to rotate by the elastic force of the locking spring 5.
In the above embodiment, specifically, the movable lug 62 is coupled to the middle position of the front end of the metal rotary tube 7, and the lower portion of the connection sleeve 65 is coupled to the left side of the rear end of the connection dial 31 through the communication hole 2.
In the above embodiment, specifically, the upper portion of the extension spring 64 is connected to the upper portion of the metal T-shaped rod 63 by a bolt, and the lower portion of the extension spring is connected to the upper portion of the limit connecting plate 66 by a bolt, so as to apply downward pressure to the metal rotary pipe 7, thereby preventing the virtual connection at the contact connection point.
In the above embodiment, specifically, the left side of the connecting copper rod 83 is inserted into the right side of the inside of the metal rotary pipe 7, and the connection part between the metal rotary pipe 7 and the connecting copper rod 83 is in threaded connection with the locking bolt, so that the structure is convenient to disassemble.
In the above embodiment, specifically, the right side of the connecting copper rod 83 is welded to the left side of the movable contact 82, the upper portions of the spring strips 85 are respectively screwed to the left and right sides of the lower portion inside the ceramic insulating cover 81, and the ceramic arc extinguishing plates 84 are pushed to be automatically closed by the elasticity of the spring strips 85.
Principle of operation
The working principle of the utility model is as follows: when the device is used, a worker stands on the ground, the top of the insulating rod is inserted into the inner side of the movable pull ring 36, the locking claw 34 is pulled towards the upper right part through the metal connecting rod 35, the metal rotary pipe 7 is driven to rotate through the weight of the pull rod insulating column 61, the connecting sleeve 65 is pulled downwards through the connecting turntable 31, the metal T-shaped rod 63 is matched through the pulling force of the extension spring 64, downward pressure is applied to the metal rotary pipe 7 to close the contact of the device, when the contact is separated, the connecting turntable 31 is pulled upwards through the metal rotary ring 4, the metal rotary pipe 7 is pushed upwards to rotate through the pull rod insulating column 61 to separate the contact, when the movable contact 82 is separated from the static contact 10, the metal rotary pipe 7 drives the ceramic insulating cover 81 to rotate upwards, when the static contact 10 moves out of the inner side of the ceramic insulating cover 81, the spring leaf 85 pushes the ceramic arc extinguishing plate 84 to rotate downwards, the ceramic arc plates 84 extinguish the arc.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims (8)

1. The unlocking pressure fork device is characterized by comprising a mounting base (1), a communication hole (2), a self-locking rotating frame structure (3), a metal rotating ring (4), a locking spring (5), an elastic connecting rod frame structure (6), a metal rotating pipe (7), a connecting protection frame structure (8), a fixed insulating column (9), a static contact (10), a rotating piece (11), a supporting insulator (12), an incoming line binding post (13) and an outgoing line binding post (14), wherein the communication hole (2) is formed in the right side of the interior of the mounting base (1); the self-locking rotating frame structure (3) is arranged on the right side of the lower part of the mounting base (1); the metal rotating ring (4) is arranged at the lower part of the self-locking rotating frame structure (3); the locking spring (5) is connected to the right side of the lower part of the mounting base (1) through a screw; the elastic connecting rod frame structure (6) is arranged on the inner side of the communicating hole (2); the metal rotating pipe (7) is connected to the upper part of the elastic connecting rod frame structure (6); the connecting protection frame structure (8) is arranged on the right side of the metal rotating pipe (7); the fixed insulating column (9) is connected to the right side of the upper part of the mounting base (1) through a bolt; the static contact (10) is embedded in the upper part of the inner side of the fixed insulating column (9); the rotating piece (11) is coupled to the left side of the metal rotating pipe (7) in a shaft mode; the supporting insulator (12) is connected to the left side of the upper part of the mounting base (1) through a bolt; the wire inlet wiring terminal (13) is embedded in the upper part of the supporting insulator (12); the outgoing line binding post (14) is embedded in the middle position of the right side of the supporting insulator (12); the self-locking rotating frame structure (3) comprises a connecting rotating disc (31), a ratchet rotating disc (32), a side fixing seat (33), a locking claw (34), a metal connecting rod (35) and a movable pull ring (36), wherein the ratchet rotating disc (32) is integrally arranged at the front end of the connecting rotating disc (31); the side fixed seat (33) is arranged at the front end of the ratchet wheel rotating disc (32); the locking claw (34) is coupled to the right side of the upper part of the side fixed seat (33) in a shaft manner; the metal connecting rod (35) is welded on the right side of the locking claw (34); the movable pull ring (36) is integrally arranged on the right side of the metal connecting rod (35).
2. The unlocking fork press of claim 1, wherein the elastic connecting rod rest structure (6) comprises a pull rod insulating column (61), a movable lug plate (62), a metal T-shaped rod (63), a tension spring (64), a connecting sleeve (65) and a limit connecting plate (66), and the movable lug plate (62) is embedded in the upper part of the pull rod insulating column (61); the upper part of the metal T-shaped rod (63) is embedded at the lower part of the pull rod insulating column (61); the extension spring (64) is sleeved on the upper part of the outer side of the metal T-shaped rod (63); the connecting sleeve (65) is sleeved at the lower part of the outer side of the metal T-shaped rod (63); the limiting connecting plate (66) is integrally arranged at the upper part of the connecting sleeve (65).
3. The unlocking fork of claim 1, wherein said connecting and protecting frame structure (8) comprises a ceramic insulating cover (81), a movable contact (82), a connecting copper rod (83), a ceramic arc-extinguishing plate (84) and a spring plate (85), said movable contact (82) is embedded in the upper inner side of the ceramic insulating cover (81); the connecting copper rod (83) is embedded in the left upper part of the inner side of the ceramic insulating cover (81); the ceramic arc-extinguishing plates (84) are respectively connected to the left side and the right side of the lower part of the inner side of the ceramic insulating cover (81) in a shaft manner; the number of the spring pieces (85) is two, and the two spring pieces are respectively connected to the upper parts of the ceramic arc-extinguishing plates (84) through screws.
4. The unlocking fork of claim 1, wherein the lower part of the side fixing seat (33) is coupled to the middle of the ratchet wheel (32), and the side of the locking pawl (34) away from the side fixing seat (33) is clamped at the right upper part of the inner side of the ratchet wheel (32).
5. The unlocking fork of claim 1, wherein the connecting rotary plate (31) is disposed at the front end of the communicating hole (2), and the upper portion of the side fixing seat (33) is connected to the lower portion of the mounting base (1) by bolts.
6. The unlocking fork of claim 1, wherein the metal rotating ring (4) is welded to the lower middle portion of the connecting rotary plate (31), and the lower portion of the locking spring (5) is bolted to the upper portion of the metal connecting rod (35).
7. The unlocking fork of claim 2, wherein the movable lug (62) is coupled to the middle of the front end of the metal rotary tube (7), and the lower portion of the connection sleeve (65) is coupled to the left side of the rear end of the connection rotary plate (31) through the communication hole (2).
8. The unlocking fork of claim 2, wherein the upper part of the tension spring (64) is connected with the upper bolt of the metal T-shaped rod (63), and the lower part of the tension spring is connected with the upper bolt of the limit connecting plate (66).
CN202121925314.4U 2021-08-17 2021-08-17 Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system Active CN215451262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121925314.4U CN215451262U (en) 2021-08-17 2021-08-17 Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121925314.4U CN215451262U (en) 2021-08-17 2021-08-17 Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system

Publications (1)

Publication Number Publication Date
CN215451262U true CN215451262U (en) 2022-01-07

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ID=79694463

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121925314.4U Active CN215451262U (en) 2021-08-17 2021-08-17 Unlocking pressure fork device matched with special connector of high-voltage power transmission and distribution system

Country Status (1)

Country Link
CN (1) CN215451262U (en)

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Legal Events

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: An Unlocking Fork Device for Special Connectors in High Voltage Transmission and Distribution Systems

Effective date of registration: 20230824

Granted publication date: 20220107

Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd.

Pledgor: Shandong Qiyuan Power Engineering Co.,Ltd.

Registration number: Y2023980053679