CN213815941U - Novel pneumatic grounding switch - Google Patents
Novel pneumatic grounding switch Download PDFInfo
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- CN213815941U CN213815941U CN202120103430.1U CN202120103430U CN213815941U CN 213815941 U CN213815941 U CN 213815941U CN 202120103430 U CN202120103430 U CN 202120103430U CN 213815941 U CN213815941 U CN 213815941U
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- pneumatic
- earthing switch
- bolt
- conducting rod
- contact
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Abstract
The utility model belongs to the technical field of earthing switch, a novel pneumatic earthing switch is disclosed, there is pneumatic means chassis upper end through the bolt fastening, and the pneumatic means right-hand member has the conducting rod through the round pin hub connection, and the conducting rod other end has the moving contact through the bolt fastening, and the chassis is provided with the support column, and the support column upper end is connected with pneumatic means through the bolt, and there is the mounting panel chassis lower extreme, and a plurality of mounting holes, the user fixing device of being convenient for have been seted up to the mounting panel. The utility model discloses a compressed air makes piston reciprocating type concertina movement in the cylinder in the control cylinder to drive the rotation of pneumatic mechanism lever to transmit the operation lever, finally drive the conducting rod and rotate, break away from or contact the static contact, realize earthing switch's branch, combined floodgate. And the mechanical valve provides opening and closing position instructions for the back stage, and the running state of the switch is monitored in real time through the PLC.
Description
Technical Field
The utility model belongs to the technical field of earthing switch, especially, relate to a novel pneumatic earthing switch.
Background
At present: the grounding switch is a mechanical grounding device which releases static electricity of the maintained equipment and a return circuit and ensures the personal safety of maintenance personnel during power failure maintenance. It can withstand a certain time of current in abnormal situations (such as short-circuits) but does not pass load current in normal situations. Which is usually part of an isolating switch.
Through the above analysis, the problems and defects of the prior art are as follows: the grounding switch withstands a certain time of current in abnormal situations (such as short circuit) but does not pass load current in normal situations.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a novel pneumatic earthing switch.
The utility model discloses a realize like this, a novel pneumatic earthing switch is provided with:
a chassis;
the pneumatic device is fixed at the upper end of the underframe through a bolt, the right end of the pneumatic device is connected with an operation insulating connecting rod through a pin shaft, the other end of the operation insulating connecting rod is connected with a conducting rod through a pin shaft, and the other end of the conducting rod is fixed with a moving contact through a bolt.
Further, the chassis is provided with the support column, the support column upper end is connected with pneumatic means through the bolt, the welding of chassis lower extreme has the mounting panel, a plurality of mounting holes have been seted up to the mounting panel.
Further, the pneumatic device is provided with a cylinder fixed at the upper end of the bottom frame through a bolt, and an output shaft of the cylinder is connected with the operation insulation connecting rod.
Furthermore, a connecting lead is fixed at the upper end of the underframe through a bolt, and the other end of the connecting lead is connected with the inner end of the conducting rod through a bolt.
Furthermore, a connecting plate is welded on the outer side face of the underframe and is connected with two fastening bolts through threads.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the utility model discloses a reciprocating type concertina movement is made to piston in the compressed air gas circuit on-off control pneumatic mechanism cylinder of control earthing switch divide-shut brake, drives the rotation of pneumatic mechanism lever to transmit the operation lever, finally drive the conducting rod and rotate, break away from or contact the static contact, realize earthing switch's branch, combined floodgate.
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 of a novel pneumatic grounding switch provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a cylinder provided by the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a connection plate according to an embodiment of the present invention.
In the figure: 1. a support pillar; 2. a cylinder; 3. operating the insulated connecting rod; 4. a conductive rod; 5. a moving contact; 6. mounting a plate; 7. mounting holes; 8. connecting a lead; 9. a connecting plate.
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 pneumatic earthing switch, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1 to 4, the embodiment of the utility model provides a novel chassis among pneumatic earthing switch is provided with support column 1, and the welding of 1 lower extreme of chassis has mounting panel 6, and a plurality of mounting holes 7 have been seted up to mounting panel 6. The upper end of the support column 1 is connected with a pneumatic device through a bolt, the pneumatic device is provided with a cylinder 2 fixed at the upper end of the support column 1 through a bolt, an output shaft of the cylinder 2 is connected with an operation insulating connecting rod 3 through a pin shaft, the other end of the operation insulating connecting rod 3 is connected with a conducting rod 4 through a pin shaft, and the other end of the conducting rod 4 is fixed with a moving contact 5 through a bolt.
The upper end of the underframe is fixed with a connecting wire 8 through a bolt, and the other end of the connecting wire 8 is connected with the inner end of the conducting rod 4 through a bolt. A connecting plate 9 is welded on the outer side face of the underframe 1, and the connecting plate 9 is connected with two fastening bolts through threads.
The embodiment of the utility model provides an in pneumatic earthing switch basic structure type be the single-column type, by chassis, conductive part, pneumatic mechanism etc. constitute. A pneumatic mechanism (a cylinder, a lever and the like) and a stop valve and the like for outputting opening and closing signals are fixed on the underframe frame part; the conducting part consists of a moving contact, a static contact and a conducting rod. The main electric pole of the conductive part is connected with a pneumatic mechanism through an operation insulating connecting rod, and compressed air with the rated pressure of 0.6 +/-0.1 Mpa as the operation power of the pneumatic mechanism is connected with a working cylinder in the pneumatic mechanism through a pipeline. The compressed air circuit switch for controlling the on-off of the grounding switch controls a piston in a cylinder of the pneumatic mechanism to do reciprocating telescopic motion, drives a lever of the pneumatic mechanism to rotate and transmit the rotation to the operating lever, and finally drives the conducting rod to rotate, so that the conducting rod is separated from or contacts a static contact, and the on-off of the grounding switch is realized.
The utility model discloses when using, reciprocating type concertina movement is made to the piston in the compressed air gas circuit on-off control pneumatic mechanism cylinder through control earthing switch divide-shut brake, drives the rotation of pneumatic mechanism lever to transmit the operating lever, finally drive the conducting rod and rotate, break away from or contact the static contact, realize earthing switch's branch, combined floodgate.
The earthing switch should be installed horizontally. Before installation, whether all parts of the product are intact or not is checked; and removing dust and dirt on the product, wiping the surface, and coating a thin layer of neutral dirt-based lubricating grease on the contact part of the conductive part and the contact surface of the bus. During installation, the connection of the compressed air circuit is reliable and has no leakage, the rated pressure of the compressed air is ensured to meet the requirement, the grounding switch is installed and is subjected to 3-5 times of adjustable opening and closing operations, and the switch and the connecting parts cannot be clamped or other abnormal phenomena which hinder the action are avoided. And after the steps are completed, the operation can be carried out.
After the pneumatic switch is operated, the maintenance and the repair are carried out for 2 to 3 times every year, and whether the following parts are good or not is checked;
(1) checking whether the transmission is flexible and whether the contact of the contact is good;
(2) polishing the damaged part of the contact by using fine abrasive cloth, removing dust, particularly the conductive contact surface, and coating a layer of industrial vaseline on the contact part after the maintenance is finished;
(3) checking whether the connection of the fastener is firm, checking whether the grounding part is good, and not allowing the grounding screw to loosen and the contact part to rust;
(4) the contact head and the contact knife are checked, and if the contact head and the contact knife are seriously damaged and the pressure spring is permanently deformed, the contact head and the contact knife must be replaced for use;
(5) after all the overhaul and the installation are finished, 10 times of opening and closing tests are required, if the requirements are not met, readjustment is still required, and the test fixture can be put into use after being qualified;
(6) the pneumatic switch should be guaranteed to operate once a month, and complete maintenance and overhaul are carried out once a quarter, so that the normal operation of the switch can be guaranteed.
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 (5)
1. The utility model provides a novel pneumatic earthing switch, its characterized in that, novel pneumatic earthing switch is provided with:
a chassis;
the pneumatic device is fixed at the upper end of the underframe through a bolt, the right end of the pneumatic device is connected with an operation insulating connecting rod through a pin shaft, the other end of the operation insulating connecting rod is connected with a conducting rod through a pin shaft, and the other end of the conducting rod is fixed with a moving contact through a bolt.
2. The novel pneumatic earthing switch as claimed in claim 1, wherein the bottom frame is provided with a support column, the upper end of the support column is connected with the pneumatic device through a bolt, the lower end of the bottom frame is welded with a mounting plate, and the mounting plate is provided with a plurality of mounting holes.
3. The novel pneumatic earthing switch according to claim 1, wherein the pneumatic means is provided with a cylinder bolted to the upper end of the base frame, the output shaft of said cylinder being connected to the operating insulating link.
4. The novel pneumatic earthing switch as claimed in claim 1, wherein a connecting wire is fixed to the upper end of the bottom frame by a bolt, and the other end of the connecting wire is connected to the inner end of the conducting rod by a bolt.
5. The novel pneumatic earthing switch according to claim 1, characterized in that a connecting plate is welded to the outer side of the underframe, and two fastening bolts are connected to the connecting plate through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103430.1U CN213815941U (en) | 2021-01-14 | 2021-01-14 | Novel pneumatic grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103430.1U CN213815941U (en) | 2021-01-14 | 2021-01-14 | Novel pneumatic grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213815941U true CN213815941U (en) | 2021-07-27 |
Family
ID=76950161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120103430.1U Active CN213815941U (en) | 2021-01-14 | 2021-01-14 | Novel pneumatic grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213815941U (en) |
-
2021
- 2021-01-14 CN CN202120103430.1U patent/CN213815941U/en active Active
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