CN110943389A - Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear - Google Patents
Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear Download PDFInfo
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- CN110943389A CN110943389A CN201911266758.9A CN201911266758A CN110943389A CN 110943389 A CN110943389 A CN 110943389A CN 201911266758 A CN201911266758 A CN 201911266758A CN 110943389 A CN110943389 A CN 110943389A
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- Prior art keywords
- plug
- voltage transformer
- arrester
- handle
- dismounting device
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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)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a dismounting device of a plug-in arrester or a plug-in voltage transformer for an inflatable cabinet, which comprises: the fixing plate is downwards provided with a fixing groove, two sides of the fixing groove are provided with a first long waist hole and a second long waist hole, and a plurality of mounting holes are formed between the first long waist hole and the second long waist hole; the bottom of the mounting hole is welded with a corresponding internal thread sleeve, the lower part of the internal thread sleeve is in threaded connection with the guide pipe, and the outer part of the guide pipe is provided with at least one elongated slot; the upper part of the mounting hole is provided with a handle through a thrust bearing; a screw penetrates through the guide pipe, the internal thread sleeve, the fixing plate mounting hole and the thrust bearing and is in threaded connection with the handle; the middle part of the screw rod is provided with a screw rod positioning through hole, and the bottom of the screw rod is provided with a screw rod installation through hole. According to the plug-in type lightning arrester or plug-in type voltage transformer dismounting device, the plug-in type lightning arrester or plug-in type voltage transformer dismounting process is standardized through the dismounting device, the personal safety of construction personnel is ensured, the dismounting difficulty is reduced, and the dismounting time is saved. The construction labor cost is reduced while the working efficiency is improved.
Description
Technical Field
The invention relates to the field of manufacturing of an inflatable cabinet, in particular to a dismounting device of a plug-in lightning arrester or a plug-in voltage transformer for the inflatable cabinet.
Background
The 12kV to 40.5kV inflatable cabinet has the characteristics of high reliability, maintenance-free performance, small occupied area (relative to an air cabinet) and the like, and in the project of the transformer substation of the inflatable cabinet, a plurality of inflatable cabinets are arranged in a group in a mode of splicing the cabinets in the main bus direction.
A plurality of inlet wire cabinets arranged in a group of the inflatable cabinets can carry the lightning arrester, a voltage transformer can be carried by a single inlet wire cabinet, and the lightning arrester and the voltage transformer can be simultaneously carried by the isolation cabinet.
The arrester and the voltage transformer are arranged on each gas-filled cabinet in A, B, C three-phase mode, a certain phase distance is kept between two phases, the width of a common gas-filled cabinet is generally 500-800 mm, and the installation phase distance corresponding to the arrester or the voltage transformer is 150-250 mm.
After the transformer substation of the inflatable cabinet is used for many years, due to various external or internal factors, the situation that a plug-in type arrester or a plug-in type voltage transformer is replaced can occur, and the connection mode of the plug-in type arrester and the plug-in type voltage transformer for the inflatable cabinet and the inflatable cabinet in the prior art is an inner cone sleeve direct insertion type.
During early installation, the installation head of the lightning arrester or the voltage transformer and the epoxy installation surface in the inner taper sleeve are cleaned and then uniformly coated with silicone grease, the installation head of the lightning arrester or the voltage transformer is inserted into the inner taper sleeve to be butted, the air exhaust flow is carried out in the butting process, the interior of the installation head is in a vacuum state, and the lightning arrester or the voltage transformer is fastened with the inner taper sleeve through screws after the installation head of the lightning arrester or the voltage transformer is inserted in place.
When the arrester or the voltage transformer need to be replaced in the later stage, because the operation is many years, the silicone grease that arrester or voltage transformer and interior taper sleeve butt joint surface played the lubrication action has been done, inside still is the vacuum state, the screw loosens the back, often need constructor to use very vigorously or extract it with the help of multiple instrument of borrowing power with the help of it, nevertheless because it is narrow and small to aerify the cabinet space, all install arrester or voltage transformer between the three-phase, it is limited to lead to constructor construction space, it shakes about the existence of extraction process to pull out, the uncertain factor that the interior taper sleeve of the gas-filled cabinet led to leak gas is destroyed to instrument of borrowing power use mistake etc.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the dismounting device for the plug-in lightning arrester or the plug-in voltage transformer for the gas-filled cabinet, which can effectively reduce the construction time and the construction difficulty and ensure the integrity of other charging cabinet components and the construction safety of constructors.
In order to realize the purpose of the invention, the adopted technical scheme is as follows:
the utility model provides an aerify for cabinet plug-in arrester or plug-in voltage transformer's dismounting device, includes:
the fixing plate is downwards provided with a fixing groove, a first long waist hole and a second long waist hole are formed in two sides of the fixing groove, and a plurality of mounting holes are formed between the first long waist hole and the second long waist hole;
the bottom of the mounting hole is welded with a corresponding internal thread sleeve, the lower part of the internal thread sleeve is in threaded connection with a guide pipe, and the outer part of the guide pipe is provided with at least one elongated slot;
a handle is arranged at the upper part of the mounting hole through a thrust bearing;
a screw rod penetrates through the guide pipe, the internal thread sleeve, the fixing plate mounting hole and the thrust bearing and is in threaded connection with the handle; the middle part of the screw rod is provided with a screw rod positioning screw hole, and the bottom of the screw rod is provided with a screw rod mounting through hole.
In a preferred embodiment of the invention, the top of the screw is provided with a screw external thread section which is matched with a handle internal thread section at the inner side of the bottom of the handle, so that the screw is connected with the handle.
In a preferred embodiment of the invention, the upper part of the conduit is provided with an external thread section of the conduit, which is matched and connected with the internal thread sleeve.
In a preferred embodiment of the invention, the mounting holes are first, second and third mounting holes arranged at intervals, and the pitch of the mounting holes is consistent with the pitch of the mounting centers of the pull-out type lightning arrester or the pull-out type voltage transformer.
In a preferred embodiment of the present invention, the top of the internally threaded sleeve is welded below the fixing plate mounting hole.
In a preferred embodiment of the present invention, the handle includes a circular handle tube, a screw rod mounting groove is formed in a lower portion of the circular handle tube, first and second handle rod mounting grooves are formed in an upper portion of the circular handle tube, and the first and second handles are mounted on an upper portion of the circular handle tube through the first and second handle rod mounting grooves.
In a preferred embodiment of the invention, the centers of the handle round tube, the screw rod, the internal thread sleeve and the conduit are consistent.
In a preferred embodiment of the invention, the positioning screw further comprises a positioning screw, wherein the long groove of the guide pipe is matched with the positioning screw hole of the screw rod.
In a preferred embodiment of the invention, the disassembling device further comprises a hanging ring-shaped bolt or a closed-loop metal chain which is installed on the disassembling device, and the disassembling device is installed on the top of the lightning arrester or the voltage transformer through the hanging ring-shaped bolt or the closed-loop metal chain.
In a preferred embodiment of the present invention, the fixing plate is made of a channel steel.
The invention has the beneficial effects that:
according to the dismounting device, the dismounting process of the plug-in type lightning arrester or the plug-in type voltage transformer is standardized, the gas leakage of the inflatable cabinet caused by the damage of other components due to the uncertainty of manual dismounting of different constructors is eliminated, the personal safety of the constructors is ensured, the dismounting difficulty is reduced, and the dismounting time is saved. The construction labor cost is reduced while the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
Fig. 3 is a schematic structural view of the handle.
Fig. 4 is a schematic structural view of the fixing plate.
Fig. 5 is a schematic structural view of the screw.
Fig. 6 is a schematic view of the installation of the screw.
Fig. 7 is a schematic view of the structure of the catheter.
Fig. 8 is a schematic view of the installation of the catheter.
Fig. 9 is a schematic structural view of a hanging ring bolt.
Fig. 10 is a schematic structural view of a closed-loop metal chain.
Fig. 11 is a schematic view of the plug-in arrester being disassembled.
Fig. 12 is a schematic diagram of the plug-in voltage transformer in a disassembled state.
Detailed Description
The dismounting device 100 for the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as shown in fig. 1 and 2 comprises a fixing plate 110 made of channel steel.
As shown in fig. 4, the fixing plate 110 has a downward fixing groove 111, and two smooth sides 111a and 111b of the fixing groove 111 have symmetrical long waist holes 112 and 113, and the long waist holes 112 and 113 are mainly used to facilitate the overall hanging and installation of the dismounting device 100.
As shown in fig. 2, the bottom of the mounting holes 114, 115, 116 is welded with corresponding internal thread sleeves 121, 122, 123, and round steel tubular conduits 131, 132, 133 are mounted on the lower portions of the internal thread sleeves 121, 122, 123.
As shown in fig. 1, the upper parts of the conduits 131, 132, 133 are provided with conduit external thread sections 131a, 132a, 133a, and the conduit external thread sections 131a, 132a, 133a are matched and screwed with the internal thread sleeves 121, 122, 123.
The upper part of the mounting holes 114, 115 and 116 is provided with a handle 150 through a thrust bearing 140.
As shown in fig. 3, the handle 150 includes a handle circular tube 152, a screw rod installation groove 151 is formed in a lower portion of the handle circular tube 152, a pair of handle bar installation grooves 153a and 154a are formed in an upper portion of the handle circular tube 150a, and the handles 153 and 154 are installed on the upper portion of the handle circular tube 152 through the handle bar installation grooves 153a and 154 a.
As shown in fig. 2, 5 and 6, the screw 160 is threaded through the guide tubes 131, 132 and 133, the internally threaded sleeves 121, 122 and 123, the mounting holes 114, 115 and 116 and the thrust bearing 140 to be connected to the handle 150. Specifically, the top of the screw 160 is provided with a screw external thread section 161, and the screw external thread section 161 is matched with the handle internal thread section 151 on the inner side of the bottom of the handle 150, so that the screw 160 is connected with the handle 150.
The screw 160 is engaged with the inner thread at the bottom of the handle tube 152, so that the thrust bearing 140 is fastened between the handle 150 and the channel steel fixing plate 110, and the screw 160 does not need to be engaged with the inner thread of the handle tube 152 too much at this time.
In addition, a screw positioning screw hole 162 is formed in the middle of the screw 160, and a screw mounting through hole 163 is formed in the bottom of the screw 160.
The side surfaces of the guide pipes 131, 132, 133 are opened with long grooves 131b, 132b, 133b for observing the screw 140, and the bottoms of the long grooves are opened with arcs.
The centers of the handle circular tube 152, the screw 160, the internal thread sleeves 121, 122 and 123 and the guide tubes 131, 132 and 133 are consistent.
As shown in fig. 8, the set screw 170 passes through the elongated slots 131b, 132b, 133b and is engaged with the screw set screw hole 162, and the set screw 170 is mainly used for positioning and mounting the screw 160. When the screw positioning screw hole 162 coincides with the semicircular arc position at the bottom of the long groove 131b, 132b, 133b, the positioning screw 170 is required to be installed, and the position is the installation position of the positioning screw 170 of the dismounting device 100 (the initial position after the dismounting device 100 is installed).
As shown in fig. 11 and 12, depending on the usage environment, a hanging ring bolt 180 or a closed-loop metal chain 190 is attached to the detaching device 100, and the detaching device 100 is attached to the top of the lightning arrester 200 or the voltage transformer 300 by the hanging ring bolt 180 or the closed-loop metal chain 190.
With particular reference to fig. 11, in the inflatable cabinet frame 400, the dismounting device 100 is mounted in the inflatable cabinet frame 400 by positioning the frame holes 411 and 412 at the two sides of the inflatable cabinet frame 400 and the long waist holes 112 and 113 and then fixing them by bolts.
After the device is fixed, the circular ring hoisting bolt 180 is installed in the top threaded hole 210 of the phase plug-in arrester 200, and the hoisting circular ring 181 of the circular ring hoisting bolt 180 penetrates through the closed-loop metal chain 190 after being fastened.
Two ends of the closed-loop metal chain 190 are respectively sleeved into two ends of a through bolt installed on a screw installation through hole 163 at the bottom of the screw 160 below the dismounting device 100.
Firstly, the fixing bolt between the plug-in lightning arrester 200 and the gas-filled cabinet 400 is removed, then the handle 150 is rotated to enable the screw 160 to vertically lift upwards to eject the top handle circular tube 152, an upward force is acted on the top of the plug-in lightning arrester 200 through the closed-loop metal chain 190 to pull the plug-in lightning arrester out of the inner taper sleeve pipe plug 420 of the gas-filled cabinet 400, and the plug-in lightning arrester is removed after being pulled out.
With particular reference to fig. 12, in the inflatable cabinet frame 400, the dismounting device 100 is mounted in the inflatable cabinet frame 400 by positioning the frame holes 411 and 412 at the two sides of the inflatable cabinet frame 400 and the long waist holes 112 and 113 and then fixing them by bolts.
After the device is fixed, the circular hoisting bolt 180 is installed in the threaded hole 310 at the top of the phase plug-in voltage transformer 300, and the hoisting circular ring 181 of the circular hoisting bolt 180 penetrates through the closed-loop metal chain 190 after being fastened. Two ends of the closed-loop metal chain 190 are respectively sleeved into two ends of a through bolt installed on a screw installation through hole 163 at the bottom of the screw 160 below the dismounting device 100.
The plug-in voltage transformer 300 and the fixing bolt of the inflatable cabinet are firstly disassembled, the fixing bolt between the plug-in voltage transformer 300 and the inflatable cabinet 400 is disassembled, the positioning screw 170 is loosened, then the handle 150 is rotated to enable the screw 160 to vertically lift upwards to eject the circular tube 152 of the top handle, an upward force is acted on the top of the plug-in voltage transformer 300 through the closed-loop metal chain 190, the plug-in voltage transformer is pulled out from the inner taper sleeve pipe plug 420 of the inflatable cabinet 400, and the plug-in voltage transformer is removed after being pulled out.
Claims (10)
1. The utility model provides an aerify for cabinet plug-in arrester or plug-in voltage transformer's dismounting device which characterized in that includes:
the fixing plate is downwards provided with a fixing groove, a first long waist hole and a second long waist hole are formed in two sides of the fixing groove, and a plurality of mounting holes are formed between the first long waist hole and the second long waist hole;
the bottom of the mounting hole is welded with a corresponding internal thread sleeve, the lower part of the internal thread sleeve is in threaded connection with a guide pipe, and the outer part of the guide pipe is provided with at least one elongated slot;
a handle is arranged at the upper part of the mounting hole through a thrust bearing;
a screw rod penetrates through the guide pipe, the internal thread sleeve, the fixing plate mounting hole and the thrust bearing and is in threaded connection with the handle; the middle part of the screw rod is provided with a screw rod positioning screw hole, and the bottom of the screw rod is provided with a screw rod mounting through hole.
2. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas-filled cabinet as recited in claim 1, characterized in that the top of the screw rod is provided with a screw rod external thread section which is matched with the handle internal thread section at the inner side of the bottom of the handle, so that the screw rod is connected with the handle.
3. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, wherein the upper portion of the conduit is provided with a section of external thread of the conduit, which is in fit connection with the internal thread sleeve.
4. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, wherein the mounting holes are a first mounting hole, a second mounting hole and a third mounting hole which are arranged at intervals, and the pitch of the mounting holes is consistent with the pitch of the mounting centers of the plug-in arrester or the plug-in voltage transformer.
5. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, wherein the top of the internal thread sleeve is welded below the mounting hole of the fixing plate.
6. The dismounting device of claim 1, wherein the handle comprises a circular handle tube, a screw rod mounting groove is formed in a lower portion of the circular handle tube, first and second symmetrical handle rod mounting grooves are formed in an upper portion of the circular handle tube, and the first and second handles are mounted on the upper portion of the circular handle tube through the first and second handle rod mounting grooves.
7. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas-filled cabinet as recited in claim 1, wherein the centers of the circle of the handle round tube, the screw rod, the internal thread sleeve and the guide tube are consistent.
8. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, further comprising a positioning screw, wherein the long groove of the conduit is matched with the positioning screw hole of the screw rod.
9. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, further comprising a hanging ring-shaped bolt or a closed-loop metal chain mounted on the dismounting device, wherein the dismounting device is mounted on the top of the arrester or the voltage transformer through the hanging ring-shaped bolt or the closed-loop metal chain.
10. The dismounting device of the plug-in arrester or the plug-in voltage transformer for the gas insulated switchgear as claimed in claim 1, wherein the fixing plate is made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266758.9A CN110943389B (en) | 2019-12-11 | 2019-12-11 | Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266758.9A CN110943389B (en) | 2019-12-11 | 2019-12-11 | Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110943389A true CN110943389A (en) | 2020-03-31 |
| CN110943389B CN110943389B (en) | 2021-07-02 |
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|---|---|---|---|
| CN201911266758.9A Active CN110943389B (en) | 2019-12-11 | 2019-12-11 | Dismounting device of plug-in arrester or plug-in voltage transformer for gas insulated switchgear |
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| CN110943389B (en) | 2021-07-02 |
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