CN216250512U - Novel pneumatic structure of heavy-current knife switch - Google Patents
Novel pneumatic structure of heavy-current knife switch Download PDFInfo
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- CN216250512U CN216250512U CN202122626870.8U CN202122626870U CN216250512U CN 216250512 U CN216250512 U CN 216250512U CN 202122626870 U CN202122626870 U CN 202122626870U CN 216250512 U CN216250512 U CN 216250512U
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Abstract
The utility model discloses a novel pneumatic structure of a heavy-current knife switch, which comprises a switch pneumatic structure body, the pneumatic structure body of the switch is provided with a pneumatic structure shell, a driving oil cylinder is arranged on a driving oil cylinder support at the center of one end head of the pneumatic structure shell, two ends of a hot melting resistance wire close to a point inside the pneumatic structure shell are fixedly connected with a hot melting resistance wire fixed connector, a sealing partition plate is arranged inside the pneumatic structure shell, one side of the sealing partition plate is symmetrically provided with an air supply nozzle A and an air supply nozzle B, a movable piston is arranged inside a pneumatic bin at one side of the sealing partition plate, a driving rod in the central horizontal direction inside the pneumatic structure shell is matched and installed with the hot melting resistance wire, the sealing partition plate, the movable piston and a conduction knife, the pneumatic structure body of this switch is simple, can the high current sword switch of efficient control, can improve pneumatic structure's execution efficiency through the atmospheric pressure of adjusting the air feed mouth and providing.
Description
Technical Field
The utility model relates to the technical field of large-current knife switch pneumatic structures, in particular to a novel large-current knife switch pneumatic structure.
Background
Knife switches, also known as knife switches, are generally used for ac and dc low voltage (not more than 500V) circuits that do not need to be frequently switched off and closed, and the operating current of the knife switches cannot exceed the rated value under the rated voltage. On a machine tool, a knife switch is mainly used as a power switch, and is not generally used for switching on or off the working current of a motor.
The knife switch is a switch with a moving contact-knife switch, and is wedged (or separated) with a static contact-knife holder on the base to connect (or disconnect) the circuit.
Knife switch generally is used in present electric power engineering, and in order to guarantee the safe use of electric power, knife switch all can cooperate the pneumatic structure of knife switch to carry out pneumatic drive to knife switch under emergency, makes the quick disconnection of knife switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a switch pneumatic structure body, a pneumatic structure shell is arranged on the switch pneumatic structure body, a driving oil cylinder is arranged on a driving oil cylinder support at the center of one end head of the pneumatic structure shell, two ends of a hot-melting resistance wire close to a point inside the pneumatic structure shell are fixedly connected with a hot-melting resistance wire fixed connector, a sealing partition plate is arranged inside the pneumatic structure shell, a gas supply nozzle A and a gas supply nozzle B are symmetrically arranged on one side of the sealing partition plate, a movable piston is arranged inside a pneumatic bin on one side of the sealing partition plate, a driving rod in the horizontal direction of the center inside the pneumatic structure shell is matched and installed among the hot-melting resistance wire, the sealing partition plate, the movable piston and a conduction knife, the high-current knife switch can be efficiently controlled, and the execution efficiency of the pneumatic structure can be improved by adjusting the air pressure provided by the air supply nozzle, so that the problem in the background technology is solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel large-current knife switch pneumatic structure comprises a switch pneumatic structure body, wherein a pneumatic structure shell is arranged on the switch pneumatic structure body, a driving oil cylinder support is arranged in the center of one end head of the pneumatic structure shell, a driving oil cylinder is arranged on the driving oil cylinder support, a sealing partition plate is arranged inside the pneumatic structure shell, and the sealing partition plate and the pneumatic structure shell are of an integrated structure;
one side of sealing diaphragm is equipped with pneumatic storehouse, and the inside in pneumatic storehouse is equipped with the removal piston, the removal piston is installed with pneumatic storehouse cooperation, the inside central authorities horizontal direction of pneumatic structure shell is equipped with the actuating lever, and the actuating lever runs through sealing diaphragm, removal piston and pneumatic structure shell's other end central authorities in the horizontal direction, remove piston and actuating lever fixed mounting.
Preferably, the pneumatic structure shell is close to the top and the below symmetry of one end and is equipped with hot melt resistance wire fixed connector, hot melt resistance wire fixed connector and pneumatic structure shell outer wall fixed mounting, hot melt resistance wire fixed connector and pneumatic structure shell intercommunication are equipped with the hot melt resistance wire between two hot melt resistance wire fixed connector, adopt screw fixed connection between hot melt resistance wire and the hot melt resistance wire fixed connector, and the top and the below symmetry that pneumatic structure shell is close to the other end are equipped with the conduction base, switch on base and pneumatic structure shell fixed mounting, the inside connecting hole that is equipped with of one end of conduction base.
Preferably, a hot-melt resistance wire mounting hole is formed in the end head of one end of the driving rod, a superconducting material ring is arranged in the hot-melt resistance wire mounting hole, and a conduction knife is arranged at the end head of the other end of the driving rod and fixedly connected with the end head of the driving rod.
Preferably, one side surface symmetry of sealed bulkhead is equipped with air feed mouth A, air feed mouth B, air feed mouth A and air feed mouth B and sealed bulkhead intercommunication, be equipped with the air duct between air feed mouth A and the air feed mouth B, the central authorities of air duct are equipped with the pressure balance valve, sealed bulkhead's inside central authorities are equipped with the actuating lever mounting hole, are equipped with the sealing washer between actuating lever mounting hole and the actuating lever.
Preferably, the outer wall of the movable piston is uniformly provided with wave-shaped convex blocks.
Compared with the prior art, the utility model has the beneficial effects that:
(1) a hot-melt resistance wire mounting hole is formed in the end socket at one end of the driving rod, and a superconducting material ring is arranged in the hot-melt resistance wire mounting hole and has a good conductive effect, so that the conductive loss of equipment is lower, and the fusing numerical precision of the hot-melt resistance wire is higher;
(2) the air supply nozzle A and the air supply nozzle B supply air to the interior of the pneumatic bin simultaneously, so that the movable piston is stressed in a balanced manner, and the horizontal movement is realized more accurately during movement;
(3) the pneumatic structure body of this switch is simple, can the high current sword switch of efficient control, can improve pneumatic structure's execution efficiency through the atmospheric pressure of adjusting the air feed mouth and providing.
Drawings
Fig. 1 is a schematic structural diagram of the pneumatic structure body of the switch of the present invention.
In the figure: 1. a switch pneumatic structure body; 2. a pneumatic structural housing; 3. hot-melt resistance wires; 4. a driving oil cylinder bracket; 5. a driving oil cylinder; 6. a drive rod; 7. a pressure balancing valve; 8. a gas supply nozzle A; 9. sealing the partition plate; 10. a pneumatic bin; 11. the hot-melt resistance wire is fixed with the connector; 12. a gas supply nozzle B; 13. an air duct; 14. moving the piston; 15. conducting the base; 16. and (6) conducting the knife.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a novel heavy current sword switch pneumatic structure, including switch pneumatic structure body 1, be equipped with pneumatic structure shell 2 on the switch pneumatic structure body 1, pneumatic structure shell 2's one end central authorities are equipped with drive cylinder support 4, be equipped with drive cylinder 5 on the drive cylinder support 4, pneumatic structure shell 2's inside is equipped with sealed bulkhead 9, sealed bulkhead 9 and pneumatic structure shell 2 structure as an organic whole, sealed bulkhead 9 will start storehouse 10 and carry out sealing connection, be equipped with the screw thread joint pole in drive cylinder 5 pushes away epaxial driving motor's the pivot, can drag the normal position with the actuating lever 6 that removes to one side.
Pneumatic structure shell 2 is close to the top and the below symmetry of one end and is equipped with hot melt resistance wire fixed connector 11, hot melt resistance wire fixed connector 11 and 2 outer wall fixed mounting of pneumatic structure shell, hot melt resistance wire fixed connector 11 and pneumatic structure shell 2 intercommunication, be equipped with hot melt resistance wire 3 between two hot melt resistance wire fixed connector, adopt screw fixed connection between hot melt resistance wire 3 and the hot melt resistance wire fixed connector 11, hot melt resistance wire fixed connector 11 links up with hot melt resistance wire 3, realize the effect of electrically conductive switch-on, pneumatic structure shell 2 is close to the top and the below symmetry of the other end and is equipped with switch-on base 15, switch-on base 15 and pneumatic structure shell 2 fixed mounting, the inside connecting hole that is equipped with in one end of switch-on base 15.
One side of seal spacer 9 is equipped with pneumatic storehouse 10, the inside in pneumatic storehouse 10 is equipped with removes piston 14, the outer wall that removes piston 14 evenly is equipped with the wave lug, remove piston 14 and pneumatic storehouse 10 cooperation installation, the inside central authorities horizontal direction of pneumatic structure shell 2 is equipped with actuating lever 6, the inside hot-melt resistance wire mounting hole that is equipped with in one end of actuating lever 6, the inside of hot-melt resistance wire mounting hole is equipped with the superconducting material ring, the superconducting material ring not only has good electrically conductive effect, make the electrical conductivity loss of equipment lower, the fusing numerical value precision of hot-melt resistance wire is higher, the other end of actuating lever 6 is equipped with switches on sword 16, switch on sword 16 and the 6 end fixed connection of actuating lever.
The driving rod 6 penetrates through the sealing partition plate 9 in the horizontal direction, the movable piston 14 and the center of the other end head of the pneumatic structure shell 2 are arranged, the movable piston 14 is fixedly installed on the driving rod 6, one side surface of the sealing partition plate 9 is symmetrically provided with a gas supply nozzle A8 and a gas supply nozzle B12, the gas supply nozzle A8 and the gas supply nozzle B12 are communicated with the sealing partition plate 9, the gas supply nozzle A8 and the gas supply nozzle B12 supply gas to the inside of the pneumatic bin 10 simultaneously, the stress of the movable piston 14 is balanced, the horizontal movement is accurately realized during moving, a gas guide pipe 13 is arranged between the gas supply nozzle A8 and the gas supply nozzle B12, the center of the gas guide pipe 13 is provided with a pressure balance valve 7, the center of the inside of the sealing partition plate 9 is provided with a driving rod installation hole, and a sealing ring is arranged between the driving rod installation hole and the driving rod 6.
The pneumatic structure body of this switch is simple, can the high current sword switch of efficient control, can improve pneumatic structure's execution efficiency through the atmospheric pressure of adjusting the air feed mouth and providing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel heavy current sword switch pneumatic structure, includes switch pneumatic structure body (1), its characterized in that: the switch pneumatic structure comprises a switch pneumatic structure body (1), wherein a pneumatic structure shell (2) is arranged on the switch pneumatic structure body (1), a driving oil cylinder support (4) is arranged in the center of one end head of the pneumatic structure shell (2), a driving oil cylinder (5) is arranged on the driving oil cylinder support (4), a sealing partition plate (9) is arranged inside the pneumatic structure shell (2), and the sealing partition plate (9) and the pneumatic structure shell (2) are of an integrated structure;
one side of seal spacer (9) is equipped with pneumatic storehouse (10), and the inside in pneumatic storehouse (10) is equipped with removes piston (14), remove piston (14) and pneumatic storehouse (10) cooperation installation, the inside central authorities horizontal direction of pneumatic structure shell (2) is equipped with actuating lever (6), and other end head central authorities that sealing spacer (9), removal piston (14) and pneumatic structure shell (2) were run through in the horizontal direction in actuating lever (6), remove piston (14) and actuating lever (6) fixed mounting.
2. The novel pneumatic structure of the high-current knife switch according to claim 1, characterized in that: pneumatic structure shell (2) are close to the top and the below symmetry of one end and are equipped with hot melt resistance wire fixed connector (11), hot melt resistance wire fixed connector (11) and pneumatic structure shell (2) outer wall fixed mounting, hot melt resistance wire fixed connector (11) and pneumatic structure shell (2) intercommunication are equipped with hot melt resistance wire (3) between two hot melt resistance wire fixed connector, adopt screw fixed connection between hot melt resistance wire (3) and hot melt resistance wire fixed connector (11), and top and the below symmetry that pneumatic structure shell (2) are close to the other end are equipped with and switch on base (15), switch on base (15) and pneumatic structure shell (2) fixed mounting, the inside connecting hole that is equipped with in one end of switching on base (15).
3. The novel pneumatic structure of the high-current knife switch according to claim 1, characterized in that: the superconducting device is characterized in that a hot-melt resistance wire mounting hole is formed in one end of the driving rod (6), a superconducting material ring is arranged in the hot-melt resistance wire mounting hole, a conducting knife (16) is arranged at the other end of the driving rod (6), and the conducting knife (16) is fixedly connected with the end of the driving rod (6).
4. The novel pneumatic structure of the high-current knife switch according to claim 1, characterized in that: one side surface symmetry of sealed baffle (9) is equipped with supplies air cock A (8), air feed mouth B (12), supply air cock A (8) and air feed mouth B (12) and sealed baffle (9) intercommunication, supply to be equipped with air duct (13) between air cock A (8) and the air feed mouth B (12), the central authorities of air duct (13) are equipped with pressure balance valve (7), the inside central authorities of sealed baffle (9) are equipped with the actuating lever mounting hole, are equipped with the sealing washer between actuating lever mounting hole and actuating lever (6).
5. The novel pneumatic structure of the high-current knife switch according to claim 1, characterized in that: the outer wall of the movable piston (14) is uniformly provided with wave convex blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626870.8U CN216250512U (en) | 2021-10-29 | 2021-10-29 | Novel pneumatic structure of heavy-current knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626870.8U CN216250512U (en) | 2021-10-29 | 2021-10-29 | Novel pneumatic structure of heavy-current knife switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250512U true CN216250512U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122626870.8U Active CN216250512U (en) | 2021-10-29 | 2021-10-29 | Novel pneumatic structure of heavy-current knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250512U (en) |
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2021
- 2021-10-29 CN CN202122626870.8U patent/CN216250512U/en active Active
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