CN115425561A - SF6 switch moving contact transmission part dismounting device and using method - Google Patents
SF6 switch moving contact transmission part dismounting device and using method Download PDFInfo
- Publication number
- CN115425561A CN115425561A CN202211233911.XA CN202211233911A CN115425561A CN 115425561 A CN115425561 A CN 115425561A CN 202211233911 A CN202211233911 A CN 202211233911A CN 115425561 A CN115425561 A CN 115425561A
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- pin
- thimble
- moving contact
- switch
- baffle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the field of electric power overhaul, and discloses a dismounting device for a transmission part of a movable contact of an SF6 switch, which comprises a baffle plate, a thimble, a push rod, a top plate, a support rod and a shaft pin accommodating block, wherein the thimble is arranged in the middle of the baffle plate; supporting rods are uniformly distributed between the baffle and the two sides of the top plate, a motor is mounted in the middle of the inner side of the top plate, and the output end of the motor faces the baffle; two ends of the push rod are respectively connected with the output end of the motor and one end of the thimble; the other end of the ejector pin is provided with a limiting block, and the ejector pin is connected with the limiting block in a buckling manner; the pin containing block is connected with the baffle plate, the pin containing block and the baffle plate are provided with through holes, and the through holes are matched with the ejector pins. This scheme is for traditional scheme, and this scheme has realized the standard ization, through motor drive's thimble, realizes the function of dismouting moving contact pivot. The mode that current manual work is beaten many times and is taken out has been changed, greatly reduced staff's intensity of labour and improve the efficient power off time that reduces equipment of dismouting.
Description
Technical Field
The invention relates to the field of electric power overhaul, in particular to a dismounting device for a transmission part of a movable contact of an SF6 switch and a using method of the dismounting device.
Background
Currently, in power systems, SF6 switches are widely used. Therefore, in actual production, in order to ensure the use safety and stability of the SF6 switch, the SF6 switch needs to be disassembled and repaired regularly. In the SF6 switch disassembly and maintenance work, the moving contact is disassembled and assembled as an intermediate process, and is also a very important link in the maintenance process.
The moving contact is disassembled and assembled, the pin on the connecting rod in the pin shaft of the moving contact needs to be disassembled firstly, and the pin is pulled out by the existing pin disassembling method that the round iron is aligned to the pin and then continuously knocked by a hammer to loosen the pin and the pin hole. This way of disassembly has the following drawbacks: 1. the continuous knocking not only consumes a large amount of physical strength of workers, but also is difficult to operate, difficult to control and low in efficiency; 2. the pin is deformed by continuous beating, and cannot be completely restored even after being polished, so that the pin and the pin hole easily form excessive friction to deform the pin, and the SF6 switch is influenced to be opened and closed; 3. the round iron is continuously knocked by a hammer, so that the round iron is easy to fly out, certain danger is caused to people or equipment, and safety accidents are easy to happen. Therefore, a new device and a new method are needed to solve the problems of low efficiency, excessive wear of equipment and difficult guarantee of safety.
Disclosure of Invention
The invention aims to provide a dismounting device for a transmission part of a movable contact of an SF6 switch and a using method thereof, and the device improves the working efficiency, prolongs the service life of SF6 and reduces the potential safety hazard.
In order to realize the purpose, the invention is realized by the following technical scheme:
on one hand, the invention provides a dismounting device for a transmission part of a movable contact of an SF6 switch, which comprises a baffle plate, a thimble, a push rod, a top plate, a support rod and a shaft pin accommodating block; supporting rods are uniformly distributed between the baffle and the two sides of the top plate, a motor is mounted in the middle of the inner side of the top plate, and the output end of the motor faces the baffle; two ends of the push rod are respectively connected with the output end of the motor and one end of the thimble; the other end of the ejector pin is provided with a limiting block, and the ejector pin is connected with the limiting block in a buckling manner;
the pin receiving block is connected with the middle part of the outer side of the baffle, the pin receiving block is provided with a receiving hole, the middle part of the baffle is provided with a through hole, the receiving hole corresponds to the through hole in position, the through hole corresponds to the ejector pin in position, and the size of the through hole is matched with the ejector pin; the diameter of the accommodating hole is larger than that of the through hole.
Furthermore, the shaft pin receiving block is provided with a positioning groove.
Furthermore, the push rod is equipped with thimble mounting bracket, the thimble of a plurality of models of thimble mounting bracket adaptation.
Furthermore, a motor mounting groove is formed in the middle of the top plate.
Furthermore, round holes matched with the support rods are formed in the two sides of the top plate and the baffle.
Furthermore, the supporting rod is provided with a shaft shoulder towards the baffle plate end, and the shaft shoulder is matched with the round hole of the baffle plate.
Furthermore, roof, baffle and bracing piece adopt the aluminum alloy material.
On the other hand, the invention provides a use method of the SF6 switch moving contact transmission part dismounting device, which comprises the following steps:
firstly, installing thimbles with proper types through a thimble installation frame according to an actual construction site;
secondly, adjusting a connecting nut of the support rod to a proper construction position according to an actual construction site;
thirdly, according to the actual construction site, the disassembly or the assembly is selected; if the moving contact pin is dismounted, the positioning groove is clamped into the moving contact, the motor is started to push the thimble, and the pin on the connecting rod in the moving contact pin shaft is pushed out, so that the dismounting is finished; if the installation is needed, the positioning groove is clamped into the moving contact, the pin is aligned with the thimble, the motor is started to push the thimble, and the pin is pushed into the connecting rod in the pin shaft of the moving contact, so that the installation is completed.
The invention has the beneficial effects that:
the special tool for disassembling and assembling the moving contact pin can correct the pin hole according to the aperture, push the pin in or out, change the existing mode of manually knocking and taking out the moving contact pin for many times, is easy to operate, greatly reduces the labor intensity of workers, improves the disassembling and assembling efficiency, reduces the power failure time of equipment, ensures the integrity of the pin shaft pin and the pin hole, avoids excessive abrasion of the equipment, realizes the quick disassembling and reassembling work of an SF6 switch moving contact transmission part, reduces the time length of the working personnel in high-altitude operation, and reduces the safety risk.
Drawings
Fig. 1 is a schematic structural diagram of a moving contact transmission part dismounting device of an SF6 switch;
fig. 2 isbase:Sub>A sectional view A-A of the dismounting device for the transmission part of the movable contact of the SF6 switch.
The device comprises a baffle 1, a thimble 2, a push rod 3, a top plate 4, a motor 5, a limiting block 6, a shaft pin receiving block 7 and a supporting rod 8.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure of the present disclosure. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without inventive step, are intended to be within the scope of the present disclosure.
Referring to fig. 1, the invention provides a dismounting device for a transmission part of a movable contact of an SF6 switch, which comprises a baffle plate 1, an ejector pin 2, a push rod 3, a top plate 4, a support rod 8 and a shaft pin accommodating block 7; supporting rods 8 are uniformly distributed between the baffle 1 and two sides of the top plate 4, a motor 5 is arranged in the middle of the inner side of the top plate 4, and the output end of the motor 5 faces the baffle 1; two ends of the push rod 3 are respectively connected with the output end of the motor 5 and one end of the thimble 2; the other end of the ejector pin 2 is provided with a limiting block 6, and the ejector pin 2 is connected with the limiting block 6 in a buckling mode;
the pin receiving block 7 is connected with the middle part of the outer side of the baffle plate 1, the pin receiving block 7 is provided with a receiving hole, the middle part of the baffle plate 1 is provided with a through hole, the receiving hole corresponds to the through hole in position, the through hole corresponds to the ejector pin in position, and the size of the through hole is matched with that of the ejector pin 2; the diameter of the accommodating hole is larger than that of the through hole.
It should be noted that, according to the working environment of the moving contact pin, the device uses a small motor as a power device, and the pin can be completely ejected out by the front push rod of the motor 5 with the stroke of more than 100mm and the length of more than the pin. When moving contact pivot dismouting, the position of thimble 2 is key, if there is the deviation in the position of thimble 2 not only to cause the pulling pin difficulty, moreover the strength is too big to be broken with the pivot easily, causes very big difficulty for maintenance work, consequently designs stopper 6, through the linkage with thimble 2, wholly is the suit structure, can fix thimble 2 in certain extent, makes thimble 2 and pivot tend towards a straight line, can not take place the deviation, can be so that the pivot plug is smooth and easy. Wherein, the two ends of the support rod 8 are respectively provided with corresponding screw threads. The connecting mode of the supporting rod 8 adopts bolt connection, the height of the connecting mode is convenient to adjust, different environment requirements are met, and the device can be applied more widely. The supporting rod 8 is connected with the top plate 4 by adopting a double-nut structure, and the supporting rod 8 is connected with the baffle plate 1 by adopting a single-nut structure. When the height is adjusted, the height adjustment can be completed only by adjusting the nut at the top plate 4.
Further, in the preferred embodiment of the present application, the shaft pin receiving block 7 is provided with a positioning groove. It should be noted that the positioning groove of the shaft pin receiving block 7 is used for positioning and fixing the moving contact, so as to ensure that the thimble 2 can accurately push against the shaft pin of the moving contact.
Further, in the preferred embodiment of this application, push rod 3 is equipped with thimble mounting bracket, the thimble 2 of a plurality of models of thimble mounting bracket adaptation. It should be noted that, this thimble mounting bracket is equipped with the screw hole, and according to each model size difference of pivot, change not unidimensional thimble 2, 2 front ends of thimble are equipped with the screw thread post, can install thimble 2 as required on the mounting bracket and satisfy the work demand.
Further, in the preferred embodiment of the present application, a motor mounting groove is formed in the middle of the top plate 4. It should be noted that the motor mounting groove has a shock absorption function, so that the motor can run more stably.
Further, in the preferred embodiment of the present application, the circular hole provided in the top plate 4 is designed as a stepped hole. It should be noted that, the support rod 8 can be fixed by only using one nut through the stepped hole, and meanwhile, the stepped hole can ensure that the device has a better fixing structure and bears higher stress.
Further, in the preferred embodiment of this application, bracing piece 8 is equipped with the shaft shoulder towards baffle 1 end, the shaft shoulder with the round hole phase-match of baffle 1. When the support rod 8 is mounted, the support rod 8 is fixedly mounted on the baffle 1 by using a shoulder and a nut.
Further, in the preferred embodiment of the present application, the top plate 4, the baffle plate 1 and the support rod 8 are made of aluminum alloy. It should be noted that the aluminum alloy material can bear the maximum stress of the motor 5.
A use method of a dismounting device for a transmission part of a movable contact of an SF6 switch comprises the following steps:
firstly, installing a thimble 2 with a proper type through a thimble installation frame according to an actual construction site;
secondly, adjusting the connecting nut of the support rod 8 to a proper construction position according to an actual construction site;
thirdly, according to the actual construction site, the disassembly or the assembly is selected; if the disassembly is finished, the positioning groove is clamped into the moving contact, the starting motor 5 pushes the thimble 2 to push out the pin on the connecting rod in the moving contact shaft pin, and the disassembly is finished; if the installation is needed, the positioning groove is clamped into the moving contact, the pin is aligned with the thimble 2, the starting motor 5 pushes the thimble 2, and the pin is pushed into the connecting rod in the moving contact shaft pin, so that the installation is completed.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like are used in an orientation or positional relationship indicated on the basis of the orientation or positional relationship shown in the drawings, which is for convenience of description and simplicity of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, the first feature may be "on" the second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (8)
1. A dismounting device for a transmission part of a movable contact of an SF6 switch is characterized by comprising a baffle, a thimble, a push rod, a top plate, a support rod and a shaft pin accommodating block; supporting rods are uniformly distributed between the baffle and the two sides of the top plate, a motor is mounted in the middle of the inner side of the top plate, and the output end of the motor faces the baffle; two ends of the push rod are respectively connected with the output end of the motor and one end of the ejector pin; the other end of the ejector pin is provided with a limiting block, and the ejector pin is connected with the limiting block in a buckling manner;
the pin receiving block is connected with the middle part of the outer side of the baffle, the pin receiving block is provided with a receiving hole, the middle part of the baffle is provided with a through hole, the receiving hole corresponds to the through hole in position, the through hole corresponds to the ejector pin in position, and the size of the through hole is matched with the ejector pin; the diameter of the accommodating hole is larger than that of the through hole.
2. The device for mounting and dismounting a movable contact transmission part of an SF6 switch as recited in claim 1, wherein said pin receiving block is formed with a positioning slot.
3. The moving contact transmission part dismounting device for the SF6 switch as claimed in claim 1 wherein said push rod is provided with a thimble mounting rack adapted to a plurality of types of thimbles.
4. The moving contact transmission component dismounting device for the SF6 switch as recited in claim 1, wherein a motor mounting slot is formed in a middle portion of said top plate.
5. The moving contact transmission part dismounting device for the SF6 switch as claimed in claim 1 wherein round holes matched with the support rods are provided on both sides of the top plate and the baffle plate.
6. The moving contact transmission component dismounting device for the SF6 switch as recited in claim 5, wherein said support rod has a shoulder facing said end of said blocking plate, said shoulder matching said circular hole of said blocking plate.
7. The device for dismounting and mounting the transmission part of the movable contact of the SF6 switch as recited in claim 1, wherein said top plate, said blocking plate and said support rod are made of aluminum alloy.
8. A use method of a dismounting device for a movable contact transmission component of an SF6 switch, which is applied to the dismounting device for the movable contact transmission component of the SF6 switch in any one of claims 1 to 7, and comprises the following steps:
firstly, installing thimbles with proper types through a thimble installation frame according to an actual construction site;
secondly, adjusting a connecting nut of the support rod to a proper construction position according to an actual construction site;
thirdly, according to an actual construction site, disassembly or assembly is selected, if disassembly is performed, the positioning groove is clamped into the moving contact, the motor is started to push the thimble, and a pin on a connecting rod in the moving contact shaft pin is pushed out, so that disassembly is completed; if the installation is carried out, the positioning groove is clamped into the moving contact, the pin is aligned with the thimble, the thimble is pushed by the starting motor, and the pin is pushed into the connecting rod in the moving contact shaft pin, so that the installation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233911.XA CN115425561A (en) | 2022-10-10 | 2022-10-10 | SF6 switch moving contact transmission part dismounting device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233911.XA CN115425561A (en) | 2022-10-10 | 2022-10-10 | SF6 switch moving contact transmission part dismounting device and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115425561A true CN115425561A (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211233911.XA Pending CN115425561A (en) | 2022-10-10 | 2022-10-10 | SF6 switch moving contact transmission part dismounting device and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115425561A (en) |
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2022
- 2022-10-10 CN CN202211233911.XA patent/CN115425561A/en active Pending
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