CN114141453A

CN114141453A - Combined operating rod of transformer substation

Info

Publication number: CN114141453A
Application number: CN202111502633.9A
Authority: CN
Inventors: 周仲强
Original assignee: Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-04

Abstract

The invention discloses a combined operating rod of a transformer substation, which aims to solve the technical problems of poor stress effect, poor stability, integral structure of the operating rod, inconvenience in carrying and transportation, incapability of flexibly moving in the operating process and poor practicability in the prior art. The operating rod comprises an insulating rod and an auxiliary rod, a connector arranged at the upper end of the auxiliary rod, and a U-shaped clamping pipe sleeved on the outer side of the insulating rod and used for connecting the connector. This action bars utilizes the design of insulator spindle and auxiliary rod equipment use, utilize the characteristic of triangle-shaped stability to the auxiliary rod supports the insulator spindle, has reduced the atress of insulator spindle, increases the stability of insulator spindle, and insulator spindle and auxiliary rod are detachable design, and it is more convenient to carry and transport, and the cam auto-lock subassembly utilizes cam auto-lock principle, has guaranteed the fastness of connecting between insulator spindle and the U type clamp pipe, and the activity that can be nimble between insulator spindle and auxiliary rod.

Description

Combined operating rod of transformer substation

Technical Field

The invention belongs to the technical field of power maintenance, and particularly relates to a combined operating rod of a transformer substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, and operation and maintenance personnel of the transformer substation often hang and remove grounding wires in the power outage and transmission process, and need to carry out the operation through a special operating rod when mounting and dismounting the grounding wires.

However, the open type equipment with the voltage of 220kV or more is high in structure, a conductive part is exposed, the operation is dangerous, the weight of the grounding wire is heavy, the instability of the operating rod is easy to occur in the operation process of personnel, the operation hidden danger is caused, the stress effect of a single operating rod is poor, the stability is poor, the operating rod is of an integral structure, the carrying and the transportation are inconvenient, the flexible activity cannot be realized in the operation process, and the practicability is poor.

Therefore, in order to solve the above problems of poor stability and poor force-bearing effect of the operation lever, it is necessary to improve the usage scenario of the operation lever.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the invention aims to provide a combined operating rod for a transformer substation, which aims to solve the technical problems of poor stress effect, poor stability, inconvenience in carrying and transportation, incapability of moving flexibly in the operating process and poor practicability in the prior art.

(2) Technical scheme

In order to solve the technical problem, the invention provides a combined operating rod of a transformer substation, which comprises an insulating rod, an auxiliary rod, a connector and a U-shaped clamping tube, wherein the connector is installed at the upper end of the auxiliary rod, and the U-shaped clamping tube is sleeved on the outer side of the insulating rod and is used for connecting the connector; the connecting device comprises a connecting head, a U-shaped clamping pipe, a cam self-locking assembly and a rotating pin, wherein a first fastener is in threaded connection between the connecting head and the U-shaped clamping pipe, a second fastener is installed on the inner side of the opening end of the U-shaped clamping pipe, the rotating pin is installed at the front end of the second fastener, and the outer side of the rotating pin is rotatably connected with the cam self-locking assembly.

When using this technical scheme's action bars, be connected with U type clamp pipe through the connector of first fastener with the auxiliary rod upper end, then with U type clamp pipe box in the outside of insulator spindle, utilize the second fastener to fix U type clamp pipe in the outside of insulator spindle, then the cam auto-lock subassembly in rotatory rotating pin outside, further fix the position of U type clamp pipe, the insulator spindle forms there is the about hinge with the auxiliary rod, form the triangle-shaped structure, then will make up the action bars and put into use.

Preferably, the connector includes the connecting rod, installs the side connecting seat of connecting rod upper end front and back symmetric distribution. Through the design of the connector, a restricted hinge is formed between the insulating rod and the auxiliary rod.

Preferably, the side connecting seat is provided with a first through hole for mounting the first fastener. Through setting up first through-hole, be convenient for realize being connected between connector and the U type clamp pipe through first fastener.

Preferably, the U-shaped clamping pipe comprises an opening clamping pipe, a rubber pad arranged on the inner side of the opening clamping pipe, and a connecting block arranged at the left end of the opening clamping pipe. Through setting up the rubber pad, can increase the frictional force between U type clamp pipe and insulator spindle, make to connect more stably.

Preferably, a threaded hole which is through from front to back is formed in the connecting block, an anti-skidding groove used for installing the rubber pad is formed in the inner side of the opening clamping pipe, and third through holes are formed in the front side and the back side of the opening end of the opening clamping pipe. Through the design of third through-hole, the installation of the second fastener of being convenient for to the realization is to the fastening of U type clamp pipe opening part.

Preferably, the second fastener comprises a threaded column, a limit baffle arranged at the end of the threaded column, and a lock nut in threaded connection with the outer side of the threaded column. And inward force is applied to two sides of the opening end of the U-shaped clamping pipe by rotating the locking nut, so that the U-shaped clamping pipe and the insulating rod are fixed.

Preferably, the rotating pin comprises a rotating rod and positioning baffles arranged at the upper end and the lower end of the rotating rod. Through setting up positioning baffle, shelter from the position of dwang, avoid the dwang from the interior roll-off of cam auto-lock subassembly, improve the fastness of connecting between cam auto-lock subassembly and dwang.

Preferably, the cam self-locking assembly comprises a handle and cam heads which are symmetrically arranged at the rear end of the handle from top to bottom, and a fourth through hole is formed in each cam head. The handle is rotated to drive the cam head to rotate, so that the cam head is precisely attached to the second fastener, and the stability of the U-shaped pipe clamping position is further enhanced.

(3) Advantageous effects

Compared with the prior art, the invention has the beneficial effects that: the operating rod of the invention utilizes the design of assembling and using the insulating rod and the auxiliary rod, utilizes the characteristic of triangular stability, and supports the insulating rod by the auxiliary rod, thereby reducing the stress of the insulating rod, increasing the stability of the insulating rod, and the insulating rod and the auxiliary rod are designed to be detachable, so the carrying and the transportation are more convenient.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a joystick of the present invention;

FIG. 2 is a schematic view of the assembly of a U-clamp tube according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cam lock assembly and the pivot pin of one embodiment of the lever of the present invention;

FIG. 4 is an assembled view of the connector according to one embodiment of the present invention;

FIG. 5 is an assembly view of a second fastener in one embodiment of the lever of the present invention.

The labels in the figures are: 1. an insulating rod; 2. an auxiliary lever; 3. a connector; 31. a connecting rod; 32. a side connecting seat; 33. a first through hole; 4. u-shaped clamping pipes; 41. opening the clamping tube; 42. a rubber pad; 43. connecting blocks; 44. a threaded hole; 45. an anti-slip groove; 46. a third through hole; 5. a first fastener; 6. a second fastener; 61. a threaded post; 62. a limit baffle; 63. locking the nut; 7. a rotation pin; 71. rotating the rod; 72. positioning a baffle plate; 8. a cam self-locking assembly; 81. a handle; 82. a cam head; 83. and a fourth via.

Detailed Description

The specific embodiment is a combined operating rod of a transformer substation, the schematic perspective structure of which is shown in fig. 1, and the schematic assembly of a U-shaped clamp tube 4 of which is shown in fig. 2, wherein the operating rod comprises an insulating rod 1, an auxiliary rod 2, a connector 3 mounted at the upper end of the auxiliary rod 2, and a U-shaped clamp tube 4 sleeved outside the insulating rod 1 and used for connecting the connector 3; threaded connection has first fastener 5 between connector 3 and the U type presss from both sides 4, and second fastener 6 is installed to 4 open ends inboard of U type clamp pipe, and kingpin 7 is installed to 6 front ends of second fastener, and the kingpin 7 outside is rotated and is connected with cam auto-lock subassembly 8.

Wherein, the connector 3 includes connecting rod 31, installs the side connecting seat 32 at connecting rod 31 upper end front and back symmetric distribution, offers the first through-hole 33 that is used for installing first fastener 5 on the side connecting seat 32.

Meanwhile, the U-shaped clamping pipe 4 comprises an opening clamping pipe 41, a rubber pad 42 arranged on the inner side of the opening clamping pipe 41, and a connecting block 43 arranged at the left end of the opening clamping pipe 41, wherein a threaded hole 44 which is through from front to back is formed in the connecting block 43, an anti-skid groove 45 for installing the rubber pad 42 is formed in the inner side of the opening clamping pipe 41, and third through holes 46 are formed in the front side and the back side of the opening end of the opening clamping pipe 41.

In addition, the second fastening member 6 includes a threaded column 61, a limit baffle 62 installed at the end of the threaded column 61, and a lock nut 63 screwed to the outer side of the threaded column 61, and the rotation pin 7 includes a rotation rod 71 and positioning baffles 72 installed at the upper and lower ends of the rotation rod 71.

In addition, the cam self-locking assembly 8 comprises a handle 81 and cam heads 82 which are arranged at the rear end of the handle 81 and are symmetrically distributed up and down, and a fourth through hole 83 is formed in each cam head 82.

The assembly of the cam self-locking assembly 8 and the rotating pin 7 in the operating rod is schematically shown in fig. 3, the assembly of the connecting head 3 is schematically shown in fig. 4, and the assembly of the second fastening member 6 is schematically shown in fig. 5.

When the operating rod of the technical scheme is used, the connector 3 at the upper end of the auxiliary rod 2 is connected with the U-shaped clamping pipe 4 through the first fastener 5, then the U-shaped clamping pipe 4 is sleeved outside the insulating rod 1, the U-shaped clamping pipe 4 is fixed outside the insulating rod 1 through the second fastener 6, then the cam self-locking assembly 8 outside the rotating pin 7 is rotated, the position of the U-shaped clamping pipe 4 is further fixed, the insulating rod 1 and the auxiliary rod 2 are in constrained hinge connection, a triangular structure is formed, and then the combined operating rod is put into use.

Claims

1. A transformer substation combined operating rod comprises an insulating rod (1), an auxiliary rod (2), a connector (3) mounted at the upper end of the auxiliary rod (2), and a U-shaped clamping pipe (4) sleeved on the outer side of the insulating rod (1) and used for connecting the connector (3); the novel clamp is characterized in that a first fastener (5) is connected between the connector (3) and the U-shaped clamp pipe (4) in a threaded mode, a second fastener (6) is installed on the inner side of the opening end of the U-shaped clamp pipe (4), a rotating pin (7) is installed at the front end of the second fastener (6), and a cam self-locking assembly (8) is connected to the outer side of the rotating pin (7) in a rotating mode.

2. A substation combination operating rod according to claim 1, characterized in that the connector (3) comprises a connecting rod (31), and side connecting seats (32) arranged at the upper end of the connecting rod (31) and symmetrically distributed front and back.

3. A substation combination operating rod according to claim 2, characterized in that the side connection seat (32) is provided with a first through hole (33) for mounting the first fastening member (5).

4. A substation combination operating rod according to claim 1, characterized in that the U-shaped clamp tube (4) comprises an open clamp tube (41), a rubber pad (42) arranged inside the open clamp tube (41), a connecting block (43) mounted at the left end of the open clamp tube (41).

5. A transformer substation combination operating rod according to claim 4, characterized in that threaded holes (44) are formed in the connecting block (43) and penetrate through the connecting block from front to back, anti-slip grooves (45) for mounting the rubber pads (42) are formed in the inner side of the open clamping pipe (41), and third through holes (46) are formed in the front and back sides of the open end of the open clamping pipe (41).

6. A substation combination operating rod according to claim 1, characterized in that the second fastening member (6) comprises a threaded post (61), a limit stop (62) mounted at the end of the threaded post (61), a locking nut (63) screwed onto the outside of the threaded post (61).

7. A substation combination operating rod according to claim 1, characterized in that the rotating pin (7) comprises a rotating rod (71), and positioning baffles (72) mounted at the upper and lower ends of the rotating rod (71).

8. The substation combination operating rod according to claim 1, wherein the cam self-locking assembly (8) comprises a handle (81) and cam heads (82) which are symmetrically arranged at the rear end of the handle (81) from top to bottom, and a fourth through hole (83) is formed in each cam head (82).