CN214672345U - Novel outdoor high-voltage alternating-current grounding switch - Google Patents
Novel outdoor high-voltage alternating-current grounding switch Download PDFInfo
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- CN214672345U CN214672345U CN202120279269.3U CN202120279269U CN214672345U CN 214672345 U CN214672345 U CN 214672345U CN 202120279269 U CN202120279269 U CN 202120279269U CN 214672345 U CN214672345 U CN 214672345U
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Abstract
The utility model belongs to the technical field of high-voltage power equipment, a novel outdoor high-pressure alternating current earthing switch is disclosed, be provided with base, insulating pillar, electrically conductive plug-in strip, static contact, operating mechanism. The base is provided with a bearing seat for operating the conductive knife switch, a connecting rod, a ground knife rotating shaft and other parts, the upper part and the lower part of the base are provided with mounting holes, the upper part and the lower part of the base are composed of insulating pillar grade pillar insulators, a grounding conductive plate is connected above the base, the conductive knife switch is composed of a conductive tube, a movable contact and a static contact, the top of the conductive tube is provided with a self-force type dynamic contact structure composed of three pairs of copper contacts, and the static contact is a copper rod fixed on the conductive plate. The utility model is a three-phase AC 50Hz outdoor high-voltage electrical appliance which can be independently installed in an electric power system, is used for safe grounding of a high-voltage line when electrical equipment is overhauled, and can also be used for bus grounding; the grounding switch adopts a one-step action direct-hitting type structure and has the advantages of high technical parameters, small operating force, reliable contact, easy arrangement and the like.
Description
Technical Field
The utility model belongs to the technical field of high voltage power equipment, especially, relate to a novel outdoor high pressure exchanges earthing switch.
Background
The outdoor high-voltage grounding switch applied to the current power system has various forms, and the main structural form of the outdoor high-voltage grounding switch has three modes no matter domestic products or foreign products: (1) direct insertion: the conducting rod of the grounding switch is directly inserted into the static contact finger from the opening position by rotating 60 degrees or 90 degrees to complete closing, and the mode has great transverse impact force on the knob insulator, so that the operation is very laborious during opening. (2) Single-arm convolution insertion: the conducting rod of the grounding switch is rotated by 90 degrees to meet a baffle plate of a static contact seat and then moves upwards to insert a static contact finger by the force of the mechanism and a balance spring from a switch-off position to complete switch-on, and the mode has longitudinal thrust on the knob insulator. (3) Folding: the conducting rod of the grounding switch is unfolded by the output force of the mechanism from the opening position, and the moving contact is inserted into the static contact finger to complete the closing. The impact force and the thrust of the switching-on and switching-off mode on the porcelain column influence the service life of the porcelain column of the high-voltage grounding switch. In addition, the movable joints of the transmission system are exposed in the space, so that the movable joints are easy to rust, and the grounding switch is difficult to operate. The interphase transmission is push-pull transmission, the temperature difference between summer and winter in northeast of China is above 70 ℃, the transmission pipe with the length of 4 meters changes by about 8 millimeters, and the total stroke of three phases is seriously influenced.
Through the above analysis, the problems and defects of the prior art are as follows: in the prior art, movable joints of a transmission system are exposed in a space and are easy to rust, so that the grounding switch is difficult to operate.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a novel outdoor high pressure exchanges earthing switch.
The utility model discloses a realize like this, a novel outdoor high pressure exchanges earthing switch, novel outdoor high pressure exchanges earthing switch and is provided with: a base;
the insulating support is fixed on the base through a bolt, the conductive knife switch is inserted on a lever behind the base, and balance springs are additionally arranged on two sides of the lever and connected with the conductive knife switch; fixing the static contact on the top end of the insulating support by using an adjusting bolt; the operating mechanism is connected with the base through an operating connecting rod.
Further, the insulating support is fixed on the base through a bolt M16 x 60; and fixing the static contact on the top end of the insulating support by using an M12 x 120 adjusting bolt, and adjusting the position.
Furthermore, the lever of the base and the operating mechanism are both provided with joints with bolts, one end of the operating connecting rod is fixed on the joint of the lever of the base, and the other end of the operating connecting rod is fixed on the joint of the operating mechanism.
Further, the base is provided with a bearing seat for operating the conductive knife switch, a connecting rod and a ground knife rotating shaft, and the upper part and the lower part of the base are provided with mounting holes;
the upper part of the insulating support is connected with a grounding conductive plate, and a hole in the conductive plate is connected with a user bus hardware fitting;
the top of the conductive tube is provided with a self-force type dynamic contact structure consisting of three pairs of copper contacts.
Further, the base is formed by welding a steel plate and a steel pipe.
Further, the insulating support is composed of 1 145 kV-class support insulator, and the conductive plate has a size of 50X 50
The hole is connected with the user bus hardware fitting.
Furthermore, the conductive tube is a high-strength aluminum alloy square tube, the top of the conductive tube is provided with a self-force type movable contact structure consisting of three pairs of copper contacts, and the static contact is formed by fixing 1 copper bar on the conductive plate.
Furthermore, the operating mechanism is a CJ6B type electric mechanism, and the rotation angle of a main shaft of the operating mechanism is 90 degrees; among the 8 mechanisms, 4 control mechanisms carry out control operation on the other 4 controlled mechanisms, and the electric connection between the control mechanisms and the controlled mechanisms is borne by two ZR-KVVP2/22-8 multiplied by 2.5 cables.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the JW-145W type outdoor AC high-voltage grounding switch is a three-phase AC 50Hz outdoor high-voltage electrical appliance which can be independently installed in an electric power system, is used for safely grounding a high-voltage line when electrical equipment is overhauled, and can also be used for bus grounding; the grounding switch adopts a one-step action direct-hitting type structure, has the advantages of high technical parameters, small operating force, reliable contact, easy arrangement and the like, and can be matched with a CJ6B type electric operating mechanism or a CS11G type hand force operating mechanism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural view (single-pole operation) of the novel outdoor high-voltage ac grounding switch provided by the embodiment of the present invention.
In the figure: 1. a base; 2. an insulating support; 3. a conductive blade; 4. static contact; 5. an operating mechanism; 6. moving contact.
Fig. 2 is a schematic structural diagram (three-stage operation) of the novel outdoor high-voltage ac grounding switch provided by the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a grounding static contact according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a grounding moving contact according to an embodiment of the present invention.
Fig. 5 is a control schematic diagram of a controlled mechanism according to an embodiment of the present invention.
Fig. 6 is a control schematic diagram of the control mechanism according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a novel outdoor high pressure exchanges earthing switch, it is right to combine the figure below the utility model discloses technical scheme makes detailed description.
As shown in fig. 1, the embodiment of the utility model provides a novel outdoor high-voltage alternating-current grounding switch is provided with: the device comprises a base 1, an insulating support 2, a conductive knife switch 3, a static contact 4 and an operating mechanism 5.
The insulating support 2 is fixed on the base 1 through a bolt M16 x 60, the conductive knife switch 3 is inserted on a lever behind the base 1, balance springs are additionally arranged on two sides of the lever and connected with the conductive knife switch 3, and the springs play a role in assisting power when the conductive knife switch is switched on and off. The static contact 4 is fixed on the top end of the insulating support 2 by using an adjusting bolt M12 x 120, and the position is adjusted. After all the parts are installed, the operating mechanism 5 is connected with the base 1 through an operating connecting rod (the lever of the base 1 and the operating mechanism 5 are both provided with joints with bolts, one end of the operating connecting rod is fixed on the joint of the lever of the base 1, and the other end of the operating connecting rod is fixed on the joint of the operating mechanism 5).
The base is provided with a bearing seat for operating the conductive knife switch, a connecting rod, a ground knife rotating shaft and other parts, the upper part and the lower part of the base are provided with mounting holes, the insulating support is composed of a 2-grade support insulator, the upper part of the base is connected with a grounding conductive plate, the conductive knife switch 3 is composed of a conductive tube, a movable contact 6 and a static contact 4, the top of the conductive tube is provided with a self-force type dynamic contact structure composed of three pairs of copper contacts, and the static contact is formed by 1 copper rod fixed on the conductive plate.
The utility model discloses when using, after the electric mechanism circular telegram, press the combined floodgate button, the speed reducer passes through the transmission of motor, and it is rotatory to drive mechanism output shaft clockwise, and mechanism output shaft passes through perpendicular connecting pipe connecting rod and finally transmits the moment of torsion for the earthing switch operating axis, makes the rotatory 90 degrees of electrically conductive plug-in strip, and inside the moving contact upward movement cut into the static contact simultaneously, closed the back in place when electrically conductive plug-in strip, the stopper of operating device the inside is touch travel switch and is electrocuted, and the electric mechanism cuts off the power supply, the out of service. The brake opening process is opposite to the brake opening process; the three-pole linkage operation is realized by the interelectrode pull rod.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (8)
1. The utility model provides a novel outdoor high-pressure exchanges earthing switch which characterized in that, novel outdoor high-pressure exchanges earthing switch is provided with: a base;
the insulating support is fixed on the base through a bolt, the conductive knife switch is inserted on a lever behind the base, and balance springs are additionally arranged on two sides of the lever and connected with the conductive knife switch; fixing the static contact on the top end of the insulating support by using an adjusting bolt; the operating mechanism is connected with the base through an operating connecting rod.
2. The novel outdoor high voltage ac grounding switch according to claim 1, wherein said insulating support is fixed to the base by M16 x 60 bolts; and fixing the static contact on the top end of the insulating support by using an M12 x 120 adjusting bolt, and adjusting the position.
3. The novel outdoor high voltage ac grounding switch according to claim 1, wherein the lever and the actuator of the base each have a connector with a bolt, and the operating link is fixed at one end to the connector of the lever of the base and at the other end to the connector of the actuator.
4. The novel outdoor high-voltage alternating-current grounding switch as claimed in claim 1, wherein the base is provided with a bearing seat for operating the conductive knife switch, a connecting rod and a ground knife rotating shaft, and mounting holes are formed in the upper part and the lower part of the base;
the upper part of the insulating support is connected with a grounding conductive plate, and a hole in the conductive plate is connected with a user bus hardware fitting;
the top of the conductive tube is provided with a self-force type dynamic contact structure consisting of three pairs of copper contacts.
5. The novel outdoor high-voltage alternating-current grounding switch as claimed in claim 1, wherein the base is formed by welding a steel plate and a steel pipe.
6. The novel outdoor high-voltage alternating-current grounding switch as claimed in claim 1, wherein the insulating support is composed of 1 145 kV-level support insulator, and the conductive plate is provided with holes and is connected with user bus hardware.
7. A novel outdoor high-voltage AC grounding switch as claimed in claim 1, wherein the conductive tube is a high-strength aluminum alloy square tube, the top of the conductive tube is equipped with a self-powered movable contact structure consisting of three pairs of copper contacts, and the fixed contact is 1 copper bar fixed on the conductive plate.
8. The novel outdoor high-voltage alternating-current grounding switch as claimed in claim 1, wherein the operating mechanism is a CJ6B type electric mechanism, and the rotation angle of a main shaft is 90 degrees; among the 8 mechanisms, 4 control mechanisms carry out control operation on the other 4 controlled mechanisms, and the electric connection between the control mechanisms and the controlled mechanisms is borne by two ZR-KVVP2/22-8 multiplied by 2.5 cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279269.3U CN214672345U (en) | 2021-02-01 | 2021-02-01 | Novel outdoor high-voltage alternating-current grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279269.3U CN214672345U (en) | 2021-02-01 | 2021-02-01 | Novel outdoor high-voltage alternating-current grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672345U true CN214672345U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120279269.3U Active CN214672345U (en) | 2021-02-01 | 2021-02-01 | Novel outdoor high-voltage alternating-current grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672345U (en) |
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2021
- 2021-02-01 CN CN202120279269.3U patent/CN214672345U/en active Active
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