CN217690955U

CN217690955U - Transmission mechanism for gas insulation switch cabinet

Info

Publication number: CN217690955U
Application number: CN202221919842.3U
Authority: CN
Inventors: 唐良雄; 李鑫; 余仕麒; 冯明昕; 郭永兵; 贾崇飏
Original assignee: Sichuan Baoguang Electrical Appliance Equipment Co ltd
Current assignee: Sichuan Baoguang Electrical Appliance Equipment Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-28
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a gas insulation is drive mechanism for cubical switchboard, including first rotation seat, first rotation seat is fixed to be set up on the operating assembly, first axis of rotation is fixed to be set up in first rotation seat, the sealed fixed setting of second rotation seat is on the explosion chamber, the sealed setting of second axis of rotation is in the second rotation seat, first axis of rotation is connected with the operating assembly transmission, first axis of rotation links to each other with drive assembly, drive assembly links to each other with the second axis of rotation, the second axis of rotation links to each other with insulation component's one end, insulation component's the other end is articulated with the conducting rod tip, the conducting rod sets up in the explosion chamber, the explosion chamber is fixed to be set up on the operating assembly. The operating component transmits energy to the conducting rod through the first rotating shaft, the second rotating shaft, the transmission component and the insulating component, so that the conducting rod moves for a sufficient distance instantly, the power on and power off purpose is achieved, and the risk of power on between the static contact component and the movable contact component does not exist after power off.

Description

Transmission mechanism for gas insulation switch cabinet

Technical Field

The utility model relates to a cubical switchboard technical field, in particular to drive mechanism for gas insulated switchgear.

Background

With the development of economy and the progress of society, the electricity consumption in China continuously rises, and in order to guarantee stable power supply, each power transmission and distribution facility is developed in the direction of safety, high efficiency, space saving and low maintenance cost. Circuit breakers are no exception as an important part of the power transmission and distribution field. The circuit breaker is a component for realizing current conduction and disconnection, belonging to a high-voltage switch cabinet. In the field of 12kV to 40.5kV, vacuum circuit breakers are mostly used as elements for opening and closing (breaking and conducting) current, the circuit breakers utilize vacuum as an arc extinguishing medium, have simple structures and excellent opening and closing capacity, and are widely applied to air-insulated switch cabinets and gas-insulated switch cabinets (gas-filled cabinets). In the process of miniaturization of the switch cabinet, in order to prevent the high-voltage line from being electrified continuously due to electric arcs after power failure, the moving distance of the conducting rod in the switch cabinet is 10-15 cm, and therefore a transmission structure for promoting the moving distance of the conducting rod to be large is needed in the switch cabinet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a drive mechanism for gas insulated switchgear.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a drive mechanism for gas insulated switchgear, rotates seat, first axis of rotation, second axis of rotation, drive assembly and insulating part including first rotation seat, second, first rotation seat is fixed to be set up on operating assembly, first axis of rotation is fixed to be set up in first rotation seat and can first rotation seat internal rotation, the second rotates the sealed fixed setting of seat on the lateral wall of explosion chamber, the sealed setting of second axis of rotation is in the second rotates the seat and can the second rotates the seat internal rotation, the input of first axis of rotation with operating assembly's output transmission is connected, the output of first axis of rotation with drive assembly's input links to each other, drive assembly's output with the input of second axis of rotation links to each other, the output of second axis of rotation with insulating assembly's one end links to each other, insulating assembly's the other end is articulated with the conducting rod tip, the conducting rod sets up in the explosion chamber, the explosion chamber is fixed to be set up on the operating assembly.

Furthermore, the transmission component comprises a first rotating pull rod, a second rotating pull rod and a first connecting rod, one end of the first rotating pull rod is fixedly arranged at the output end of the first rotating shaft, the other end of the first rotating pull rod is hinged with one end of the first connecting rod, the other end of the first connecting rod is hinged with one end of the second rotating pull rod, and the other end of the second rotating pull rod is fixedly connected with the input end of the second rotating shaft.

Furthermore, the insulating part comprises a third rotating pull rod and an insulating rod, one end of the insulating rod is hinged to the conducting rod, the other end of the insulating rod is hinged to one end of the third rotating pull rod, and the other end of the third rotating pull rod is fixedly connected with the output end of the second rotating shaft.

Furthermore, the transmission component further comprises a fourth rotating pull rod and a second connecting rod, three second rotating shafts are arranged on the gas insulated switchgear, all the second rotating shafts are parallel to each other and are located on the same plane, one end of the fourth rotating pull rod is fixedly connected with the input end of the second rotating shaft, the other end of the fourth rotating pull rod is hinged to the second connecting rod, and all the fourth rotating pull rods are parallel to each other.

Furthermore, the operating assembly comprises a fixed shell, an operating component, an output shaft and a gear component, wherein the operating component is fixedly arranged on the lower side inside the fixed shell, the arc extinguishing chamber is fixedly arranged on the upper side of the side wall of the fixed shell, the first rotating seat is fixedly arranged on the operating component, the operating component is connected with one end of the output shaft, and the other end of the output shaft is fixedly connected with the input end of the first rotating shaft through the gear component.

Further, the gear component comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with the output shaft and is matched with the second bevel gear, and the second bevel gear is fixedly connected with the input end of the first rotating shaft.

Further, the explosion chamber includes interior casing, insulating cylinder, static contact head spare and moving contact part, interior casing is fixed to be set up in the fixed casing and with fixed casing seal links to each other, the insulating cylinder is fixed to be set up fixed casing is outer and with fixed casing seal links to each other, be provided with on the fixed casing and be used for the intercommunication interior casing with the through-hole of insulating cylinder, the static contact part seal is fixed to be set up the tip of insulating cylinder, moving contact part seal is fixed to be set up on the lateral wall of insulating cylinder, the conducting rod slides to be set up on the moving contact head spare and with the cooperation of static contact part.

Furthermore, the third rotating pull rod is hinged to the conducting rod through two parallel insulating rods, and the two insulating rods are fixedly connected through a connecting shaft.

Furthermore, the first rotating pull rod and the second rotating pull rod are arranged in a double-layer mode, one end of each first connecting rod is arranged between the two first rotating pull rods, and the other end of each first connecting rod is arranged between the two second rotating pull rods.

Furthermore, the fourth rotating pull rods are arranged in a double-layer mode, and the second connecting rod is arranged between the two fourth rotating pull rods.

The beneficial effects of the utility model are that:

1) In the transmission mechanism, the operating component transmits energy to the conducting rod through the first rotating shaft, the second rotating shaft, the transmission component and the insulating component, so that the conducting rod moves for a sufficient distance instantly, the purpose of power on and power off is achieved, after the power off, the risk of power on between the static contact component and the movable contact component does not exist, and the transmission mechanism is miniaturized as much as possible.

2) In the transmission component, the first rotating shaft can drive the first rotating pull rod to rotate when rotating, the first rotating pull rod drives the second rotating pull rod to rotate through the first connecting rod, the second rotating pull rod drives the second rotating shaft to rotate, and the second rotating shaft rotates and drives the conducting rod to slide through the third rotating pull rod and the insulating rod, so that high-voltage electric disconnection between the static contact component and the movable contact component is realized.

Drawings

FIG. 1 is a first drawing of the three-dimensional connection structure of the transmission mechanism;

FIG. 2 is a second drawing of the three-dimensional connection structure of the present transmission mechanism;

FIG. 3 is a three-dimensional connection structure of the transmission mechanism and the conductive rod;

FIG. 4 is a sectional connection structure diagram of the transmission mechanism used in the switch cabinet;

in the figure, 1-a first rotating seat, 2-a second rotating seat, 3-a first rotating shaft, 4-a second rotating shaft, 5-a conducting rod, 6-a first rotating pull rod, 7-a second rotating pull rod, 8-a first connecting rod, 9-a third rotating pull rod, 10-an insulating rod, 11-a fourth rotating pull rod, 12-a second connecting rod, 13-a fixed shell, 14-an operating component, 15-an output shaft, 16-a first bevel gear, 17-a second bevel gear, 18-an inner shell, 19-an insulating cylinder, 20-a static contact component, 21-a movable contact component, 22-a through hole and 23-a connecting shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a drive mechanism for gas insulated switchgear, including first rotation seat 1, the second rotates seat 2, first rotation axis 3, second rotation axis 4, transmission components and insulating part, first rotation seat 1 is fixed to be set up on the operating assembly, first rotation axis 3 is fixed to be set up in first rotation seat 1 and can rotate at first rotation seat 1, second rotation seat 2 is sealed fixed to be set up on the lateral wall of explosion chamber, second rotation axis 4 is sealed to be set up in second rotation seat 2 and can rotate at second rotation seat 2, the input of first rotation axis 3 is connected with the output transmission of operating assembly, the output of first rotation axis 3 links to each other with transmission components's input, transmission components's output links to each other with second rotation axis 4's input, the output of second rotation axis 4 links to each other with insulating part's one end, insulating part's the other end is articulated with conducting rod 5 tip, conducting rod 5 sets up in the operation chamber, the explosion chamber is fixed to be set up on the operating assembly. Wherein, first rotation seat 1 and second rotation seat 2 are used for installing first axis of rotation 3 and second axis of rotation 4 respectively, are provided with the sealing ring between the inner wall of second rotation seat 2 and the outer wall of second axis of rotation 4, prevent that the phenomenon of gas leakage from appearing in the sealed chamber that interior casing 18 and insulating cylinder 19 formed jointly. The effect of drive disk assembly makes the rotation of first axis of rotation 3 drive second axis of rotation 4 and rotates, accomplishes in the twinkling of an eye when first axis of rotation 3 drives second axis of rotation 4 and rotates, and the effect of insulating part prevents that the electric current on the conducting rod 5 from entering into drive mechanism, drives conducting rod 5 and slides when second axis of rotation 4 rotates simultaneously.

In some embodiments, the transmission component includes a first rotation pull rod 6, a second rotation pull rod 7 and a first connection rod 8, one end of the first rotation pull rod 6 is fixedly disposed on the output end of the first rotation shaft 3, the other end of the first rotation pull rod 6 is hinged to one end of the first connection rod 8, the other end of the first connection rod 8 is hinged to one end of the second rotation pull rod 7, and the other end of the second rotation pull rod 7 is fixedly connected to the input end of the second rotation shaft 4. The first rotating pull rod 6 and the second rotating pull rod 7 are arranged in a double-layer mode, one end of the first connecting rod 8 is arranged between the two first rotating pull rods 6, and the other end of the first connecting rod 8 is arranged between the two second rotating pull rods 7. When the first rotating shaft 3 rotates, the first rotating pull rod 6 is driven to rotate, the first rotating pull rod 6 drives the second rotating pull rod 7 to rotate through the first connecting rod 8, the second rotating pull rod 7 drives the second rotating shaft 4 to rotate, and the second rotating shaft 4 rotates and drives the conducting rod 5 to slide through the third rotating pull rod 9 and the insulating rod 10, so that high-voltage electric disconnection between the static contact component 20 and the movable contact component 21 is realized.

In some embodiments, the insulating member includes a third rotation pull rod 9 and an insulating rod 10, one end of the insulating rod 10 is hinged to the conductive rod 5, the other end of the insulating rod 10 is hinged to one end of the third rotation pull rod 9, and the other end of the third rotation pull rod 9 is fixedly connected to the output end of the second rotation shaft 4. The third rotating pull rod 9 is hinged with the conducting rod 5 through two parallel insulating rods 10, and the two insulating rods 10 are fixedly connected through a connecting shaft 23. The second rotating shaft 4 drives the third rotating pull rod 9 to rotate, the third rotating pull rod 9 drives the insulating rod 10 to move when rotating, and the insulating rod 10 moves to drive the conducting rod 5 to move, so that the high-voltage circuit is switched on and off.

In some embodiments, the transmission component further includes a fourth rotation rod 11 and a second connection rod 12, the gas insulation opening Guan Guishang is provided with three second rotation shafts 4, all the second rotation shafts 4 are parallel to each other and located on the same plane, one end of the fourth rotation rod 11 is fixedly connected to the input end of the second rotation shaft 4, the other end of the fourth rotation rod 11 is hinged to the second connection rod 12, and all the fourth rotation rods 11 are parallel to each other. The fourth rotating pull rods 11 are arranged in a double-layer mode, and the second connecting rod 12 is arranged between the two fourth rotating pull rods 11. Wherein, first axis of rotation 3 can drive first rotation pull rod 6 and rotate when rotating, first rotation pull rod 6 drives second rotation pull rod 7 through first connecting rod 8 and rotates, second rotation pull rod 7 drives one of them second axis of rotation 4 and rotates, this second axis of rotation 4 can drive a fourth rotation pull rod 11 and rotate, fourth rotation pull rod 11 drives other two fourth rotation pull rods 11 through second connecting rod 12 and rotates, thereby drive two remaining second axis of rotation 4 and rotate, thereby realized three group's conducting rod 5 removal of three-phase, the purpose of synchronous control three-phase high-voltage circuit break-make has been realized simultaneously.

In some embodiments, the operating assembly includes a fixed housing 13, an operating component 14, an output shaft 15 and a gear component, the operating component 14 is fixedly disposed at a lower side inside the fixed housing 13, the arc extinguishing chamber is fixedly disposed at an upper side of a sidewall of the fixed housing 13, the first rotating base 1 is fixedly disposed on the operating component 14, the operating component 14 is connected to one end of the output shaft 15, and the other end of the output shaft 15 is fixedly connected to an input end of the first rotating shaft 3 through the gear component. The gear components comprise a first bevel gear 16 and a second bevel gear 17, the first bevel gear 16 is fixedly connected with the output shaft 15 and is matched with the second bevel gear 17, and the second bevel gear 17 is fixedly connected with the input end of the first rotating shaft 3. Wherein, the fixed housing 13 is installed with an operating component 14, an inner housing 18 and an insulating cylinder 19, the operating component 14 is prior art, and mainly provides energy for the instantaneous movement of the conducting rod 5, the operating component 14 drives the output shaft 15 to rotate, and then drives the first rotating shaft 3 to rotate through the first bevel gear 16 and the second bevel gear 17.

In some embodiments, the arc extinguishing chamber includes an inner housing 18, an insulating cylinder 19, a fixed contact member 20, and a movable contact member 21, the inner housing 18 is fixedly disposed in the fixed housing 13 and hermetically connected to the fixed housing 13, the insulating cylinder 19 is fixedly disposed outside the fixed housing 13 and hermetically connected to the fixed housing 13, a through hole 22 for communicating the inner housing 18 and the insulating cylinder 19 is disposed on the fixed housing 13, the fixed contact member 20 is fixedly disposed at an end of the insulating cylinder 19 in a sealing manner, the movable contact member 21 is fixedly disposed on a sidewall of the insulating cylinder 19 in a sealing manner, and the conductive rod 5 is slidably disposed on the movable contact member 21 and is engaged with the fixed contact member 20. The inner housing 18 and the insulating cylinder 19 together form a sealed space and are mounted on the fixed housing 13, the fixed contact member 20 is an output end of a high-voltage circuit, the moving contact member 21 is an input end of high voltage electricity, the conductive rod 5 is arranged on the moving contact member 21 and slides on the moving contact member 21, high-voltage electrification is realized when the conductive rod 5 is in contact with the fixed contact member 20, and high-voltage outage is realized when the conductive rod 5 is separated from the fixed contact member 20.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a drive mechanism for gas insulated switchgear which characterized in that: including first rotation seat (1), second rotation seat (2), first rotation axis (3), second rotation axis (4), transmission element and insulating element, first rotation seat (1) is fixed to be set up on the operating assembly, first rotation axis (3) are fixed to be set up in first rotation seat (1) and can first rotation seat (1) internal rotation, second rotation seat (2) is sealed fixed to be set up on the lateral wall of explosion chamber, second rotation axis (4) are sealed to be set up second rotation seat (2) in and can second rotation seat (2) internal rotation, the input of first rotation axis (3) with the output transmission of insulating element is connected, the output of first rotation axis (3) with the input of transmission element links to each other, transmission element's output with the input of second rotation axis (4) links to each other, the output of second rotation axis (4) with the one end of insulating element links to each other, insulating element's the other end is articulated with conducting rod (5) tip, conducting rod (5) set up on the operating assembly is fixed.

2. The transmission mechanism for gas-insulated switchgear according to claim 1, characterized in that: the transmission part comprises a first rotating pull rod (6), a second rotating pull rod (7) and a first connecting rod (8), one end of the first rotating pull rod (6) is fixedly arranged at the output end of the first rotating shaft (3), the other end of the first rotating pull rod (6) is hinged to one end of the first connecting rod (8), the other end of the first connecting rod (8) is hinged to one end of the second rotating pull rod (7), and the other end of the second rotating pull rod (7) is fixedly connected with the input end of the second rotating shaft (4).

3. A transmission mechanism for gas insulated switchgear according to claim 1 or 2, characterized in that: the insulating part comprises a third rotating pull rod (9) and an insulating rod (10), one end of the insulating rod (10) is hinged to the conducting rod (5), the other end of the insulating rod (10) is hinged to one end of the third rotating pull rod (9), and the other end of the third rotating pull rod (9) is fixedly connected with the output end of the second rotating shaft (4).

4. A transmission mechanism for gas insulated switchgear according to claim 1 or 2, characterized in that: the transmission component further comprises a fourth rotating pull rod (11) and a second connecting rod (12), three second rotating shafts (4) are arranged on the gas insulated switchgear, all the second rotating shafts (4) are parallel to each other and located on the same plane, one end of the fourth rotating pull rod (11) is fixedly connected with the input end of the second rotating shafts (4), the other end of the fourth rotating pull rod (11) is hinged to the second connecting rod (12), and all the fourth rotating pull rods (11) are parallel to each other.

5. A transmission mechanism for gas insulated switchgear according to claim 1 or 2, characterized in that: the operating assembly comprises a fixed shell (13), an operating component (14), an output shaft (15) and a gear component, wherein the operating component (14) is fixedly arranged on the lower side inside the fixed shell (13), the arc extinguish chamber is fixedly arranged on the upper side of the side wall of the fixed shell (13), the first rotating seat (1) is fixedly arranged on the operating component (14), the operating component (14) is connected with one end of the output shaft (15), and the other end of the output shaft (15) is fixedly connected with the input end of the first rotating shaft (3) through the gear component.

6. The transmission mechanism for gas-insulated switchgear according to claim 5, characterized in that: the gear part comprises a first bevel gear (16) and a second bevel gear (17), the first bevel gear (16) is fixedly connected with the output shaft (15) and matched with the second bevel gear (17), and the second bevel gear (17) is fixedly connected with the input end of the first rotating shaft (3).

7. The transmission mechanism for gas-insulated switchgear according to claim 5, characterized in that: the arc extinguishing chamber includes interior casing (18), insulating cylinder (19), static contact component (20) and moving contact part (21), interior casing (18) is fixed to be set up in fixed casing (13) and with fixed casing (13) seal-tightly links to each other, insulating cylinder (19) are fixed to be set up fixed casing (13) outer and with fixed casing (13) seal-tightly links to each other, be provided with on fixed casing (13) and be used for the intercommunication interior casing (18) with through-hole (22) of insulating cylinder (19), static contact part (20) seal-tightly sets up the tip of insulating cylinder (19), moving contact part (21) seal-tightly sets up on the lateral wall of insulating cylinder (19), conducting rod (5) slide to set up moving contact part (21) on and with static contact part (20) cooperation.

8. A transmission mechanism for gas insulated switchgear according to claim 3, characterized in that: the third rotating pull rod (9) is hinged to the conducting rod (5) through two parallel insulating rods (10), and the two insulating rods (10) are fixedly connected through a connecting shaft (23).

9. The transmission mechanism for gas-insulated switchgear according to claim 2, characterized in that: the first rotating pull rod (6) and the second rotating pull rod (7) are arranged in a double-layer mode, one end of each first connecting rod (8) is arranged between the two first rotating pull rods (6), and the other end of each first connecting rod (8) is arranged between the two second rotating pull rods (7).

10. The transmission mechanism for gas-insulated switchgear according to claim 4, wherein: the fourth rotating pull rods (11) are arranged in a double-layer mode, and the second connecting rod (12) is arranged between the two fourth rotating pull rods (11).