CN211182061U

CN211182061U - High-voltage side switch opening and closing mechanism

Info

Publication number: CN211182061U
Application number: CN201922149204.2U
Authority: CN
Inventors: 庞兴业
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-04
Anticipated expiration: 2029-12-05

Abstract

The utility model belongs to the technical field of the electric power industry, a high pressure side switch mechanism that opens and shuts is disclosed to solve the problem that exists among the prior art in the high pressure side switch opens and shuts, this high pressure side switch mechanism that opens and shuts includes with plug-in strip articulated insulating push-and-pull rod, insulating push-and-pull rod stretches out the switch box bottom, and the lower part of insulating push-and-pull rod is equipped with straight tooth section, and the meshing has drive gear on the straight tooth section, is equipped with drive arrangement on the drive gear, the lower part of insulating push-and-pull rod is equipped with the gyro wheel, and the gyro wheel is gone up the activity and is equipped with the gyro wheel frame, and straining device is equipped with to one side of gyro wheel frame, and straining device fixes on the wall body, and the inboard. The utility model discloses simple structure, the principle is ingenious, can long-rangely realize the floodgate that opens and shuts of high pressure side electric brake, has very high practical application and worth, to the staff, safe and reliable can not cause the incident.

Description

High-voltage side switch opening and closing mechanism

Technical Field

The utility model relates to an electric power industry technical field, concretely relates to high pressure side switch mechanism that opens and shuts.

Background

In the power generation industry, a circuit breaker is arranged on a low-voltage side, a load switch is arranged on a high-voltage side, the load switch (a switch) can only be switched on and off on the spot, when power is cut off and transmitted, personal injury accidents of personnel are easily caused due to the fact that the fuse and the load switch are arranged at close positions, safety accidents are easily caused when the personnel switch on and off on the spot, in some high-voltage production workshops, when a main switch on the high-voltage side is switched on and off, the personnel are required to be switched on and off on the spot, personnel safety risks also exist, therefore, switch operating rods are adopted at some working points, therefore, the personnel can switch on and off within a certain distance from the switch, at the moment, an insulating rod and a hook head are usually adopted for operation, but the personnel cannot effectively align to the switch in the operation process, if safety accidents occur, the switch cannot be switched on and off quickly in time, and, in addition, the safety and reliability of workers are not enough, and the technical problems cannot be solved in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, safe and reliable's high-pressure side switch mechanism that opens and shuts in order to solve the problem that exists among the prior art high-pressure side switch opening and shutting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-voltage side switch opening and closing mechanism comprises an insulating push-pull rod hinged to a switch knife, the insulating push-pull rod extends out of the bottom of a switch box, a straight tooth section is arranged on the lower portion of the insulating push-pull rod, a transmission gear is meshed with the straight tooth section, a driving device is mounted on the transmission gear, a roller is arranged on the lower portion of the insulating push-pull rod, a roller frame is movably mounted on the roller, a tensioning device is mounted on one side of the roller frame and fixed on a wall body, a cavity is formed in the inner side of the roller frame, the insulating push-pull rod is mounted in the cavity, and the insulating push-pull rod.

Further, the driving device comprises a forward and reverse rotating motor, a motor base is fastened on the side portion of the forward and reverse rotating motor through a bolt, the motor base is fixed on the wall body, a transmission shaft of the forward and reverse rotating motor is connected with a gear shaft, and a transmission gear is fixedly arranged on the gear shaft.

Furthermore, a bearing seat is sleeved on the gear shaft and fixed on the wall body through a bearing seat base.

Furthermore, the tensioning device comprises an outer sleeve, a sleeve seat which is integrated with the outer sleeve is arranged on one side of the outer sleeve, the sleeve seat is fixed on the wall, a baffle is arranged in the outer sleeve, a pull rod is fixed on one side of the baffle, a spring is arranged on the pull rod, one end of the spring is clamped on the inner wall of the outer sleeve, the other end of the spring is clamped on the end face of the baffle, and a roller frame is fixed on the pull rod after the pull rod extends out of the outer sleeve.

Furthermore, the upper end of the insulating push-pull rod is provided with a bending section, and the bending section is hinged with the knife switch.

Further, the bearing seat base and the motor base are an integrated base.

Furthermore, one end of the gear shaft is provided with a shaft hole, and a transmission shaft is sleeved in the shaft hole in a matched mode through a key.

Further, the roller is a groove type roller.

Further, the gear shaft and the transmission gear are of an integrated structure.

Furthermore, a switch button for controlling the forward rotation or the reverse rotation of the forward and reverse rotation motor is arranged on the far-end wall body.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a high pressure side electric brake mechanism that opens and shuts is through articulated insulating push-and-pull rod on the plug-in strip, then be equipped with through setting up in the lower part of insulating push-and-pull rod straight tooth section and with the drive gear of meshing on the straight tooth section to through straining device with insulating push-and-pull rod laminating gyro wheel make the lower part of insulating push-and-pull rod compress tightly in gear department and gear cooperation all the time, the articulated department in upper portion can have certain pitch arc route in insulating push-and-pull rod reciprocates, can guarantee through the gyro wheel that insulating push-and-pull rod reciprocates the in-process all the time. When the switch needs to be switched off, the transmission gear rotates forwards to push the insulating push-pull rod to move downwards so as to drive the switch blade to move downwards to switch off, and when the switch needs to be switched on, the transmission gear rotates backwards to push the insulating push-pull rod to move upwards so as to drive the switch blade to move upwards to switch off. The utility model discloses simple structure, the principle is ingenious, can long-rangely realize the floodgate that opens and shuts of high pressure side electric brake, has very high practical application and worth, to the staff, safe and reliable can not cause the incident.

The utility model discloses a drive arrangement is including just reversing the motor, can drive the just reversal of gear shaft through just reversing the motor, and then gear shaft drive gear just reverses, and just reverses and take the battery on the motor certainly.

The utility model discloses still suit bearing frame on the gear shaft, when can the gear shaft support, do not influence the rotation of gear shaft, make the transmission safe and stable reliable more.

The utility model discloses a suit has the pull rod of baffle and spring in the sleeve in the outside, the gear is being hugged closely to insulating push-and-pull rod by the gyro wheel injectd the back lower part, move down the in-process amplitude of oscillation great when insulating push-and-pull rod, the spring is compressed, the gyro wheel is with the taut insulating push-and-pull rod of insulating push-and-pull rod laminating, when the amplitude of oscillation reduces, the spring kick-backs, guarantee gyro wheel and the laminating of insulating push-and-pull rod, make the straight-tooth section can be with drive gear meshing effect all the time, under the effect of spring, can guarantee that insulating.

The utility model discloses an upper end of insulating push-and-pull rod is equipped with the bending segment and can guarantees that insulating push-and-pull rod can not take place to interfere when driving the plug-in strip and opening and shutting.

The utility model discloses a bearing frame base and motor base as an organic whole, firstly conveniently are used for fixed bearing frame and positive reverse motor, secondly compact structure.

The utility model discloses one end at the gear shaft is equipped with the shaft hole, is used for installing the transmission shaft in the shaft hole and guarantees that gear shaft and the integrative rotation of transmission shaft.

The utility model discloses a gyro wheel can make insulating push-and-pull rod and recess formula gyro wheel laminating good again not influence the action of insulating push-and-pull rod for recess formula gyro wheel.

The utility model discloses control positive and negative motor corotation or reversal, safe and reliable through shift knob at the distal end.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2 according to the present invention.

Fig. 5 is a schematic diagram of the structure of fig. 2 viewed from the top in the direction C.

Fig. 6 is a side view of the electric motor of fig. 1 according to the present invention.

The reference numerals have the following meanings: 1. a knife switch; 2. an insulated push-pull rod; 3. a roller; 4. a transmission gear; 5. a gear shaft; 6. a drive shaft; 7. a positive and negative rotation motor; 8. a bearing seat; 9. a motor base; 10. bending the section; 11. a bearing seat base; 12. a straight tooth section; 13. a tensioning device; 14. a sleeve seat; 15. a baffle plate; 16. a spring; 17. a pull rod; 18. a roller frame; 19. a cavity; 20. an outer sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 6, the high-voltage side switch opening and closing mechanism includes an insulating push-pull rod 2 hinged to a switch blade 1, a bending section 10 integrated with the insulating push-pull rod 2 is disposed at an upper end of the insulating push-pull rod 2, and the bending section 10 is hinged to the switch blade 1. The insulating push-pull rod 2 extends out of the bottom of the electric brake box, and the opening groove in the bottom of the electric brake box is larger than the size of the insulating push-pull rod 2, so that the insulating push-pull rod 2 cannot be blocked by the opening groove in the bottom of the electric brake box under the condition that the swing amplitude exists. And the lower part of the insulating push-pull rod 2 is provided with a straight tooth section 12, the straight tooth section 12 is engaged with a transmission gear 4, the transmission gear 4 is provided with a driving device, the driving device comprises a forward and reverse rotation motor 7, and a switch button for controlling the forward rotation or the reverse rotation of the forward and reverse rotation motor 7 is arranged on the far-end wall body. A motor base 9 is fastened on the side portion of the forward and reverse rotating motor 7 through bolts, the motor base 9 is fixed on a wall body through screws in a driving mode, a transmission shaft 6 of the forward and reverse rotating motor 7 is connected with a gear shaft 5, a shaft hole is formed in one end of the gear shaft 5, and the transmission shaft 6 is sleeved in the shaft hole in a matched mode through keys. The gear shaft 5 is further sleeved with a bearing seat 8, the bearing seat 8 is fastened on a bearing seat base 11 through bolts, the bearing seat base 11 is fixed on a wall body through a screw, a transmission gear 4 which is integrated with the gear shaft 5 is arranged on the gear shaft 5, and the bearing seat base 11 and the motor base 9 can be integrated.

The lower part of the insulation push-pull rod 2 is provided with a roller 3, and the roller 3 is a groove type roller. The roller 3 is movably provided with a roller frame 18, one side of the roller frame 18 is provided with a tensioning device 13, the tensioning device 13 is fixed on a wall, the inner side of the roller frame 18 is provided with a cavity 19, the cavity 19 is internally provided with an insulating push-pull rod 2, and the insulating push-pull rod 2 is matched with the roller 3. The tensioning device 13 comprises an outer sleeve 20, a sleeve seat 14 which is integrated with the outer sleeve 20 is arranged on one side of the outer sleeve 20, the sleeve seat 14 is fixed on a wall, a baffle 15 is arranged in the outer sleeve 20, a pull rod 17 is fixed on one side of the baffle 15, a spring 16 is arranged on the pull rod 17, one end of the spring 16 is clamped on the inner wall of the outer sleeve 20, the other end of the spring 16 is clamped on the end face of the baffle 15, and a roller frame 18 is fixed after the pull rod 17 extends out of the outer sleeve 20. One side of the insulating push-pull rod 2 is a straight surface for arranging the straight tooth section 12, and the other side of the insulating push-pull rod 2 is a surface with an arc for matching with the groove type roller 3.

When the insulating push-pull rod 2 moves downwards, under the limiting action of the roller 3 and the tensioning action of the pull rod 17, the lower end straight tooth section 12 of the insulating push-pull rod 2 is always ensured to be meshed with the transmission gear 4, and the smooth pulling of the switch blade 1 can be ensured. When the switch is switched on, a worker remotely operates a switch button, the forward and reverse rotating motor 7 rotates reversely to drive the gear shaft 5 to rotate reversely, so as to drive the transmission gear 4 to rotate reversely, the transmission gear 4 drives the straight tooth section 12 meshed with the transmission gear 4 to move upwards when rotating, so as to drive the insulating push-pull rod 2 to move upwards, and in the process of moving upwards of the insulating push-pull rod 2, the straight tooth section 12 at the lower end of the insulating push-pull rod 2 is always ensured to be meshed with the transmission gear 4 under the limiting action of the roller 3 and the tensioning action of the pull rod 17, so that the switch.

Claims

1. The utility model provides a high pressure side electric brake mechanism that opens and shuts, characterized by: including with switch blade (1) articulated insulating push-and-pull rod (2), insulating push-and-pull rod (2) stretches out the electric brake bottom of the case portion, and the lower part of insulating push-and-pull rod (2) is equipped with straight tooth section (12), and the meshing has drive gear (4) on straight tooth section (12), is equipped with drive arrangement on drive gear (4), the lower part of insulating push-and-pull rod (2) is equipped with gyro wheel (3), and gyro wheel frame (18) are equipped with in the activity on gyro wheel (3), and straining device (13) are equipped with to one side of gyro wheel frame (18), and straining device (13) are fixed on the wall body, and the inboard of gyro wheel frame (18) is equipped with cavity (19), and insulating push-and-pull rod (2) and gyro wheel (3) cooperation are equipped with.

2. The high-voltage side switch opening and closing mechanism as claimed in claim 1, wherein: the driving device comprises a forward and reverse rotating motor (7), a motor base (9) is fastened on the side portion of the forward and reverse rotating motor (7) through a bolt, the motor base (9) is fixed on a wall body, a transmission shaft (6) of the forward and reverse rotating motor (7) is connected with a gear shaft (5), and a transmission gear (4) is fixedly arranged on the gear shaft (5).

3. The high-voltage side switch opening and closing mechanism as claimed in claim 2, wherein: and the gear shaft (5) is also sleeved with a bearing seat (8), and the bearing seat (8) is fixed on a wall body through a bearing seat base (11).

4. The high-voltage side switch opening and closing mechanism according to claim 1 or 3, characterized in that: tensioning device (13) are including outside sleeve (20), one side of outside sleeve (20) is equipped with sleeve seat (14) as an organic whole structure with outside sleeve (20), sleeve seat (14) are fixed on the wall body, baffle (15) are equipped with in outside sleeve (20), one side of baffle (15) is fixed with pull rod (17), spring (16) are equipped with on pull rod (17), the one end card of spring (16) is at the inner wall of outside sleeve (20), the other end card of spring (16) is at the terminal surface of baffle (15), pull rod (17) stretch out outside sleeve (20) after-fixing have gyro wheel frame (18).

5. The high-voltage side switch opening and closing mechanism as claimed in claim 1, wherein: the upper end of the insulating push-pull rod (2) is provided with a bending section (10), and the bending section (10) is hinged with the knife switch (1).

6. The high-voltage side switch opening and closing mechanism as claimed in claim 3, wherein: the bearing seat base (11) and the motor base (9) are integrated.

7. The high-voltage side switch opening and closing mechanism as claimed in claim 6, wherein: one end of the gear shaft (5) is provided with a shaft hole, and a transmission shaft (6) is sleeved in the shaft hole in a matched mode through a key.

8. The high-voltage side switch opening and closing mechanism as claimed in claim 1, wherein: the roller (3) is a groove type roller.

9. The high-voltage side switch opening and closing mechanism as claimed in claim 7, wherein: the gear shaft (5) and the transmission gear (4) are of an integrated structure.

10. The high-voltage side switch opening and closing mechanism as claimed in claim 2, wherein: and a switch button for controlling the forward rotation or the reverse rotation of the forward and reverse rotation motor (7) is arranged on the far-end wall body.