CN213042859U

CN213042859U - Switching-on and switching-off operation device for gas-filled cabinet circuit breaker

Info

Publication number: CN213042859U
Application number: CN202020973031.6U
Authority: CN
Inventors: 苏杭; 张海龙
Original assignee: Junlang Electric Co ltd
Current assignee: Junlang Electric Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-23
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a switching-off and switching-on operation device for an inflating cabinet breaker, which comprises a mounting seat, an electromagnetic mechanism, a linkage assembly and an elastic mechanism; the electromagnetic mechanism, the linkage assembly and the elastic mechanism are arranged on the mounting seat; a driving rotating shaft capable of rotating around the axis of the mounting seat is arranged on the mounting seat, and the end part of the driving rotating shaft is provided with a connecting structure coaxially connected with a main shaft on the circuit breaker; the electromagnetic mechanism has an output shaft axially movable between a first position and a second position; the linkage assembly is used for driving linkage connection between the rotating shaft and the output shaft; the elasticity of the elastic mechanism acts on the linkage assembly; the mounting seat is provided with a mounting structure for mounting the mounting seat in the inflatable cabinet; the mounting structure comprises a positioning groove arranged at the bottom of the mounting seat and a screw hole arranged at the upper part of the mounting seat. The utility model provides a divide-shut brake operating means structure simplifies reasonable relatively, and the practicality is good.

Description

Switching-on and switching-off operation device for gas-filled cabinet circuit breaker

Technical Field

The utility model relates to an aerify cabinet divide-shut brake operating means for circuit breaker belongs to circuit breaker structural design field.

Background

The application occasions of the circuit breaker are more and more extensive, and particularly in an air inflation cabinet, the national power grid has higher requirements on the performances of the circuit breaker, such as energy consumption, reliability, mechanical life and the like. The existing switching-on and switching-off operation device of the gas-filled cabinet circuit breaker has the problems of large quantity of components and complex structure.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a aerify cabinet circuit breaker with divide-shut brake operating means that structure is simplified relatively.

Realize the utility model discloses the technical scheme of purpose is:

a switching-on and switching-off operation device for a gas-filled tank breaker comprises a mounting seat, an electromagnetic mechanism, a linkage assembly and an elastic mechanism;

the electromagnetic mechanism, the linkage assembly and the elastic mechanism are arranged on the mounting seat;

the mounting base is provided with a driving rotating shaft which can rotate around the axis of the mounting base, and the end part of the driving rotating shaft is provided with a connecting structure which is coaxially connected with a main shaft on the circuit breaker; the electromagnetic mechanism has an output shaft axially movable between a first position and a second position; the linkage assembly is used for linkage connection between the driving rotating shaft and the output shaft;

the elasticity of the elastic mechanism acts on the linkage assembly;

the electromagnetic force generated when the electromagnetic mechanism is electrified drives the output shaft to move to a first position, and the linkage assembly overcomes the elasticity of the elastic mechanism to drive the driving rotating shaft to rotate; when the electromagnetic mechanism is powered off, the output shaft is driven to move to the second position through the linkage assembly under the action of the reset elastic force of the elastic mechanism, and meanwhile, the driving rotating shaft is driven to rotate reversely.

In the above technical solution, the linkage assembly includes a linkage rod rotatably mounted on the mounting seat through a mounting shaft and an ear plate fixed on the driving rotating shaft, one end of the linkage rod is rotatably connected with the output shaft, and the other end is rotatably connected with the ear plate;

the mounting seat is provided with a mounting structure for mounting the mounting seat in the inflatable cabinet; the mounting structure comprises a positioning groove arranged at the bottom of the mounting seat and a screw hole arranged at the upper part of the mounting seat; the locating slot is a U-shaped slot with a downward notch, and the notch of the U-shaped slot is V-shaped.

Among the above-mentioned technical scheme, still include buffering stop gear, buffering stop gear is including fixing blotter on the mount pad with fix the epaxial limiting plate of drive pivot, through the limiting plate with the blotter offsets and plays spacing cushioning effect.

In the technical scheme, the cushion pad is a rubber pad, a supporting block is fixed at the bottom of the rubber pad, and the supporting block is fixed on the mounting seat.

In the above technical scheme, the elastic mechanism comprises a tension spring, a pull rod and a positioning block, the pull rod is arranged on the positioning block, and two ends of the tension spring are respectively connected with the linkage assembly and the pull rod.

Among the above-mentioned technical scheme, screw rod portion has on the pull rod, screw rod portion wears to establish in the perforation on the locating piece to keep away from on screw rod portion the one end spiro union of extension spring has stop nut.

In the above technical scheme, the connection structure includes a connection sleeve coaxially sleeved at the end of the driving rotating shaft, the connection sleeve is limited by a limiting structure and can only move axially relative to the driving rotating shaft, but cannot rotate along the circumferential direction, a spring for providing an outward elastic force for the connection sleeve is sleeved on the driving rotating shaft, and a connection slot is arranged at the center position of the end of the connection sleeve.

In the above technical solution, the connection slot is a polygonal slot.

In the above technical scheme, the limiting structure comprises a kidney-shaped hole formed on the connecting sleeve and arranged along the axial direction and a positioning pin fixed on the driving rotating shaft and penetrating out of the kidney-shaped hole;

the spring is a spiral spring, one end of the spring is propped against the end face of the connecting sleeve, and the other end of the spring is propped against the step face of the driving rotating shaft.

The utility model discloses has positive effect: the on-off operation device of the utility model has the advantages of obviously reduced components, simplified structure and good practicability, when being arranged in the inflatable cabinet for use, the positioning groove at the bottom of the mounting seat is matched with the positioning pin in the inflatable cabinet, the partial closing operation device is supported and then fixed by the bolt which passes through the bolt hole to be matched with the screw hole at the corresponding position in the inflatable cabinet, the installation is convenient, the circuit breaker body is fixed at the side of the switch-on operation device in the gas-filled cabinet, the driving rotating shaft is coaxially connected with the main shaft of the operation mechanism of the circuit breaker through the connecting structure, during the use, the output shaft is driven to move to a first position by the electromagnetic force generated when the electromagnetic mechanism is electrified, the linkage rod overcomes the elasticity of the elastic mechanism to drive the driving rotating shaft to rotate, and then the main shaft of the operating mechanism of the circuit breaker is driven to rotate to realize switching-on; then give when the electricity failure of electromagnetic mechanism is in under the elastic force effect that resets of elastic mechanism pass through the gangbar drives the output shaft removes to the second position, drives simultaneously drive pivot antiport, realize the separating brake through the operating device main shaft antiport that drives the circuit breaker then.

Drawings

Fig. 1 is a front view of the switching-on/switching-off operation device of the present invention;

FIG. 2 is a side view of the mount of FIG. 1;

fig. 3 is a perspective view of the opening and closing operation device of fig. 1 with parts removed;

fig. 4 is a schematic structural diagram of the gas-filled tank circuit breaker.

The reference symbols shown in the figures are: 1-mounting a base; 10-driving the rotating shaft; 101-step surface; 11-a positioning groove; 12-a screw hole; 13-connecting sleeve; 131-kidney shaped holes; 14-a connection slot; 15-positioning pins; 2-an electromagnetic mechanism; 21-an output shaft; 3-a linkage assembly; 31-mounting shaft; 32-a linkage bar; 33-ear plate; 4-an elastic mechanism; 41-tension spring; 42-a pull rod; 43-a positioning block; 44-a limit nut; 5-a buffer pad; 6-a limiting plate; 7-a support block; 8-operating the mechanism spindle.

Detailed Description

The following description is made by combining the accompanying drawings of the specification to the specific structure of the switching-on/switching-off operation device of the utility model:

a switching-on and switching-off operation device for a gas-filled tank breaker is shown in figures 1 to 4 and comprises a mounting seat 1, an electromagnetic mechanism 2, a linkage assembly 3 and an elastic mechanism 4; the mounting seat 1 is provided with a mounting seat 1, and the electromagnetic mechanism 2, the linkage assembly 3 and the elastic mechanism 4 are arranged on the mounting seat 1; a driving rotating shaft 10 capable of rotating around the axis of the mounting base 1 is arranged on the mounting base, and a connecting structure coaxially connected with a main shaft on a circuit breaker is arranged at the end part of the driving rotating shaft 10; the electromagnetic mechanism 2 has an output shaft 21 movable in the axial direction between a first position and a second position; the linkage component 3 is used for linkage connection between the driving rotating shaft 10 and the output shaft 21; the elasticity of the elastic mechanism 4 acts on the linkage component 3; the electromagnetic force generated when the electromagnetic mechanism 2 is electrified drives the output shaft 21 to move to a first position, and the linkage assembly 3 overcomes the elastic force of the elastic mechanism 4 to drive the driving rotating shaft 10 to rotate; when the electromagnetic mechanism 2 is powered off, the output shaft 21 is driven to move to a second position through the linkage assembly 3 under the action of the reset elastic force of the elastic mechanism 4, and meanwhile, the driving rotating shaft 10 is driven to rotate reversely; the mounting seat 1 is provided with a mounting structure for mounting the mounting seat in an inflatable cabinet; the mounting structure comprises a positioning groove 11 arranged at the bottom of the mounting base 1 and a screw hole 12 arranged at the upper part of the mounting base 1; the positioning groove 11 is a U-shaped groove with a downward notch, and the notch of the U-shaped groove is V-shaped.

The components of the opening and closing operation device in the embodiment are obviously reduced, the structure is simplified, the practicability is good, when the opening and closing operation device is arranged in an inflatable cabinet, the positioning groove at the bottom of the mounting seat 1 is matched with the positioning pin in the inflatable cabinet, the partial closing operation device is supported and then fixed by the bolt which passes through the bolt hole to be matched with the screw hole at the corresponding position in the inflatable cabinet, the installation is convenient, a breaker body is fixed at the side of a switching-on operation device in the gas-filled cabinet, and a driving rotating shaft is coaxially connected with an operation mechanism main shaft 8 of the breaker through a connecting structure, the output shaft 21 is driven to move to the first position by the electromagnetic force generated when the electromagnetic mechanism is energized, the linkage rod 32 overcomes the elasticity of the elastic mechanism 4 to drive the driving rotating shaft 10 to rotate, and then the operating mechanism main shaft 8 of the circuit breaker is driven to rotate to realize closing; then when the electromagnetic mechanism 2 is powered off, the linkage rod 32 drives the output shaft 21 to move to the second position under the action of the reset elastic force of the elastic mechanism 4, and simultaneously drives the driving rotating shaft 10 to rotate reversely, and then the main shaft 8 of the operating mechanism driving the circuit breaker rotates reversely to realize brake opening.

As shown in the figure, in this embodiment, the linkage assembly 3 includes a linkage rod 32 rotatably mounted on the mounting base 1 through a mounting shaft 31 and an ear plate 33 fixed on the driving rotating shaft 10, one end of the linkage rod 32 is rotatably connected to the output shaft 21, and the other end is rotatably connected to the ear plate 33, so as to realize linkage.

In this embodiment, still including buffering stop gear, buffering stop gear is including fixing blotter 5 on the mount pad 1 is fixed limiting plate 6 in the drive pivot 10, through limiting plate 6 with blotter 5 offsets and plays spacing cushioning effect, and when separating brake, drive pivot 10 and rotate under the elastic force effect through elastic mechanism 4, play buffering and limiting effect through the counterbalance of limiting plate 6 with blotter 5.

Further, the cushion pad 5 is a rubber pad, a supporting block 7 is fixed at the bottom of the rubber pad, and the supporting block 7 is fixed on the mounting seat 1.

In this embodiment, the elastic mechanism 4 includes a tension spring 41, a pull rod 42 and a positioning block 43, the pull rod 42 is disposed on the positioning block 43, and two ends of the tension spring 41 are respectively connected to the linkage assembly 3 (specifically, the linkage rod 32 in the linkage assembly) and the pull rod 42, as shown in the attached drawings.

Still further, the last screw rod portion that has of pull rod 42, the screw rod portion is worn to establish in the perforation on the locating piece 43 to keep away from on the screw rod portion the one end spiro union of extension spring 41 has stop nut 44, offsets through setting up stop nut 44 and locating piece 43 during the equipment and prevents that the screw rod portion from shifting out by the perforation on the locating piece, and can adjust the elasticity size of extension spring 41 through the position of adjustment stop nut 44 on the screw rod portion.

In this embodiment, connection structure includes that the coaxial cup joints drive pivot 10 terminal adapter sleeve 13, adapter sleeve 13 can only for drive pivot 10 axial displacement by the restriction of limit structure, and can not follow circumferential direction and rotate drive pivot 10 goes up the cover has for the adapter sleeve provides the spring of outside elasticity, the terminal central point of adapter sleeve 13 puts and is equipped with connection slot 14, fixes circuit breaker and divide-shut brake operating means in aerifing the cabinet respectively when the installation, can be connected through the grafting of the main shaft tip on connection slot on the adapter sleeve 13 and the circuit breaker, drive pivot 10 rotates and drives adapter sleeve 13 on it and rotate, and then drives the main shaft rotation on the circuit breaker. The spring is arranged to provide outward elastic force for the connecting sleeve all the time, so that the connecting sleeve and the main shaft of the circuit breaker are guaranteed to be always in sleeved fit when the connecting sleeve is installed and used.

In this embodiment, the connection slot 14 is a polygonal slot, and when the connection slot is connected to the main shaft 8 of the circuit breaker in a polygonal shape, the connection slot 14 is inserted with the end of the main shaft of the circuit breaker.

In this embodiment, the limiting structure includes a kidney-shaped hole 131 formed in the connecting sleeve 13 along the axial direction and a positioning pin 15 fixed on the driving rotating shaft 10 and penetrating through the kidney-shaped hole 131, and the connecting sleeve 13 axially moves on the driving rotating shaft 10 and cannot circumferentially rotate through the cooperation of the positioning pin and the kidney-shaped hole 131; the spring is a spiral spring, one end of the spring is propped against the end face of the connecting sleeve 13, and the other end of the spring is propped against the step face 101 of the driving rotating shaft 10.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A switching-on and switching-off operation device for a gas-filled tank breaker is characterized by comprising a mounting seat (1), an electromagnetic mechanism (2), a linkage assembly (3) and an elastic mechanism (4);

the electromagnetic mechanism (2), the linkage assembly (3) and the elastic mechanism (4) are arranged on the mounting seat (1);

a driving rotating shaft (10) capable of rotating around the axis of the mounting base (1) is arranged on the mounting base, and a connecting structure coaxially connected with a main shaft on a circuit breaker is arranged at the end part of the driving rotating shaft (10); the electromagnetic mechanism (2) has an output shaft (21) that is axially movable between a first position and a second position; the linkage assembly (3) is used for linkage connection between the driving rotating shaft (10) and the output shaft (21);

the elasticity of the elastic mechanism (4) acts on the linkage component (3);

the electromagnetic force generated when the electromagnetic mechanism (2) is electrified drives the output shaft (21) to move to a first position, and the linkage assembly (3) overcomes the elasticity of the elastic mechanism (4) to drive the driving rotating shaft (10) to rotate; when the electromagnetic mechanism (2) is powered off, the output shaft (21) is driven to move to a second position through the linkage assembly (3) under the action of the reset elastic force of the elastic mechanism (4), and meanwhile, the driving rotating shaft (10) is driven to rotate reversely;

the mounting seat (1) is provided with a mounting structure for mounting the mounting seat in an inflatable cabinet; the mounting structure comprises a positioning groove (11) arranged at the bottom of the mounting base (1) and a screw hole (12) arranged at the upper part of the mounting base (1); the positioning groove (11) is a U-shaped groove with a downward notch, and the notch of the U-shaped groove is V-shaped.

2. The switching-closing operation device for the gas-filled cabinet breaker according to claim 1, wherein the linkage assembly (3) comprises a linkage rod (32) rotatably mounted on the mounting seat (1) through a mounting shaft (31) and an ear plate (33) fixed on the driving rotating shaft (10), one end of the linkage rod (32) is rotatably connected with the output shaft (21), and the other end of the linkage rod is rotatably connected with the ear plate (33).

3. The switching-on and switching-off operation device for the gas insulated switchgear breaker according to claim 1, further comprising a buffering and limiting mechanism, wherein the buffering and limiting mechanism comprises a cushion pad (5) fixed on the mounting seat (1) and a limiting plate (6) fixed on the driving rotating shaft (10), and the limiting and buffering effect is achieved by the limiting plate (6) abutting against the cushion pad (5).

4. The switching-on and switching-off operation device for the gas insulated switchgear breaker according to claim 3, wherein the cushion pad (5) is a rubber pad, a supporting block (7) is fixed at the bottom of the rubber pad, and the supporting block (7) is fixed on the mounting base (1).

5. The switching-on and switching-off operation device for the gas insulated switchgear breaker according to claim 1, wherein the elastic mechanism (4) comprises a tension spring (41), a pull rod (42) and a positioning block (43), the pull rod (42) is disposed on the positioning block (43), and two ends of the tension spring (41) are respectively connected with the linkage assembly (3) and the pull rod (42).

6. The switch-on/off operation device for the gas insulated switchgear breaker according to claim 5, wherein the pull rod (42) is provided with a screw portion, the screw portion is inserted into the through hole of the positioning block (43), and a limit nut (44) is screwed on one end of the screw portion far away from the tension spring (41).

7. The switching-closing operation device for the gas insulated switchgear breaker according to any one of claims 1 to 6, wherein the connection structure comprises a connection sleeve (13) coaxially sleeved on the end of the driving rotation shaft (10), the connection sleeve (13) is limited by a limiting structure to move only axially relative to the driving rotation shaft (10) but not rotate along the circumferential direction, a spring for providing an outward elastic force to the connection sleeve is sleeved on the driving rotation shaft (10), and a connection slot (14) is arranged at the center position of the end of the connection sleeve (13).

8. Switching-on/switching-off operating device for gas-filled cabinet circuit breakers, according to claim 7, characterized in that said connection slots (14) are polygonal slots.

9. The switching-on and switching-off operation device for the gas-insulated switchgear breaker according to claim 7, wherein the limiting structure comprises a waist-shaped hole (131) formed on the connecting sleeve (13) and arranged along the axial direction and a positioning pin (15) fixed on the driving rotating shaft (10) and penetrating out of the waist-shaped hole (131);

the spring is a spiral spring, one end of the spring is propped against the end face of the connecting sleeve (13), and the other end of the spring is propped against the step face (101) of the driving rotating shaft (10).