CN114012655A

CN114012655A - Inner pipe dismounting tool for GIS sleeve

Info

Publication number: CN114012655A
Application number: CN202111246203.5A
Authority: CN
Inventors: 陈朝晖; 王春敏; 林司仲
Original assignee: Hainan Power Grid Co ltd Hainan Power Transmission And Substation Maintenance Branch
Current assignee: Hainan Power Grid Co ltd Hainan Power Transmission And Substation Maintenance Branch
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-02-08

Abstract

The invention relates to an inner pipe dismounting tool for a GIS sleeve, which comprises an upper clamp and a lower clamp, wherein rubber pads are fixed on the inner walls of the upper clamp and the lower clamp, locking bolts penetrate through the two sides of the upper clamp and the lower clamp and are movably connected with the upper clamp and the lower clamp respectively, locking nuts used for fixing the upper clamp and the lower clamp are further sleeved on the outer sides of the locking bolts, the locking nuts are in threaded connection with the locking bolts, and operating handles are fixedly arranged on the outer walls of the upper clamp and the lower clamp.

Description

Inner pipe dismounting tool for GIS sleeve

Technical Field

The invention belongs to the technical field of inner pipe disassembling tools, and particularly relates to an inner pipe disassembling tool for a GIS sleeve.

Background

At present, GIS (SF6 gas insulated switchgear) is increasingly widely applied in Hainan due to the reliability of the GIS, but when the GIS is disassembled and overhauled, because the internal structure is compact, the internal conductors all use tubular conductors, the tubular conductors can be tightly connected with plum blossom-shaped contacts when being disassembled, and the tubular conductors are smooth and burr-free conductors, so that the GIS is not disassembled with force. At present, when the tubular conductor inside the GIS is disassembled for maintenance, the tubular conductor is mainly disassembled manually, in the process, a plurality of maintenance personnel need to slowly pull out the tubular conductor by holding the tubular conductor by hands, sometimes, if the plum blossom contact is too tightly occluded with the tubular conductor, the tubular conductor cannot be pulled out manually, and a belt wrench needs to continuously rotate the tubular conductor until the tubular conductor and the tubular conductor are separated. Because the inner tubular conductor is heavier in weight and has no force application position, the inner tubular conductor needs to be continuously rotated for at least 20 minutes during dismantling and is extremely labor-consuming, and the problems of difficult dismantling, long time consumption and the like exist.

Disclosure of Invention

Therefore, the invention provides a tool capable of improving the dismounting or mounting of the inner pipe of the GIS sleeve.

The technical scheme of the invention is realized as follows:

the invention provides an inner pipe dismounting tool for a GIS sleeve, which comprises an upper clamp and a lower clamp, wherein rubber pads are fixed on the inner walls of the upper clamp and the lower clamp, locking bolts penetrate through the two sides of the upper clamp and the lower clamp and are movably connected with the upper clamp and the lower clamp respectively, locking nuts used for fixing the upper clamp and the lower clamp are further sleeved on the outer sides of the locking bolts, the locking nuts are in threaded connection with the locking bolts, and operating handles are fixedly installed on the outer walls of the upper clamp and the lower clamp.

Preferably, go up the clamp and install fixed sleeve with the outer wall of lower clamp, the fixed sleeve inner wall is equipped with the internal thread, the outer wall of operating handle one end is equipped with the external screw thread, operating handle with fixed sleeve threaded connection.

Preferably, the axial dimension of clamp is less than down go up the clamp, go up the both sides of clamp and seted up the confession the logical groove that the clamp passed down, the through-hole has been seted up to the both sides of clamp down, locking bolt can pass simultaneously through-hole and logical groove, threaded connection has two on the locking bolt locking nut, locking nut all is located go up between clamp and the lower clamp, locking nut respectively with go up clamp and a pair of butt of clamp down.

Preferably, the size of the lock nut is larger than that of the through groove.

Preferably, it is right still to install in the logical inslot the fixed plate that locking bolt led, the fixed plate center is equipped with the guiding hole, the size of guiding hole with the size of through-hole is the same, locking bolt with through-hole and guiding hole swing joint, the fixed plate pass through the joint subassembly with go up the clamp and can dismantle the connection.

Preferably, the joint subassembly includes the joint board, the both sides inner wall that leads to the groove has been seted up with outside communicating cross slot, the fixed plate with cross slot sliding connection, the top of cross slot has been seted up the perpendicular communicating perpendicular groove of cross slot, it communicates with each other with the outside to erect groove top, the joint board with erect groove sliding connection, the one end of fixed plate with the terminal butt of cross slot, the other end of fixed plate with the joint board butt.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides an inner pipe dismounting tool for a GIS sleeve, which is characterized in that an upper clamp and a lower clamp are combined and connected together by utilizing a locking bolt and clamped at the periphery of an inner pipe, the upper clamp and the lower clamp are tightly clamped at the outer side of the inner pipe by continuously rotating a locking nut and matching the locking bolt, a rubber pad prevents slipping while protecting the inner pipe from being damaged, the inner pipe can be pulled or rotated outwards by an operating handle, the problems of time consumption and labor consumption when an maintainer removes the GIS inner pipe are effectively solved, the GIS disassembly and maintenance efficiency is effectively improved, and the tool is suitable for being used when various GIS tubular conductors are dismounted and mounted to a certain extent.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic perspective view of a second embodiment of the present invention;

FIG. 3 is a front sectional view of a second embodiment of the present invention;

fig. 4 is a schematic structural view of an upper clamp and a lower clamp according to a second embodiment of the present invention.

In the figure, an upper hoop 1, a lower hoop 2, a rubber pad 3, a locking bolt 4, a locking nut 5, an operating handle 6, a fixing sleeve 7, a through groove 8, a through hole 9, an upper locking nut 10, a lower locking nut 11, a fixing plate 12, a clamping plate 13, a transverse groove 14 and a vertical groove 15 are arranged.

Detailed Description

In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.

Example one

Referring to fig. 1, the invention provides an inner pipe dismounting tool for a GIS sleeve, which comprises an upper clamp 1 and a lower clamp 2, wherein rubber pads 3 for increasing friction force are fixed on the inner walls of the upper clamp 1 and the lower clamp 2, locking bolts 4 penetrate through the two sides of the upper clamp 1 and the lower clamp 2, the locking bolts 4 are respectively and movably connected with the upper clamp 1 and the lower clamp 2, locking nuts 5 for fixing the upper clamp 1 and the lower clamp 2 are further sleeved on the outer sides of the locking bolts 4, the locking nuts 5 are in threaded connection with the locking bolts 4, and operating handles 6 are fixedly mounted on the outer walls of the upper clamp 1 and the lower clamp 2.

Will go up clamp 1 and the periphery of clamp 2 cover at the inner tube during operation, utilize locking bolt 4 to go up clamp 1 and clamp 2 merge together down, from the top screw in lock nut 5 of locking bolt 4, cooperate lock bolt 4 to block in the outside at the inner tube tightly clamp 1 and clamp 2 down through constantly rotatory lock nut 5, when protecting the inner tube and not receiving the harm through rubber pad 3, prevent skidding, adorn operating handle 6 respectively at the outer wall of last clamp 1 and clamp 2 down afterwards, can outwards stimulate the inner tube through operating handle 6, it is too tight with the inner tube interlock when the plum blossom contact, can't extract, when needing rotatory inner tube, it drives the inner tube rotation through last clamp 1 and clamp 2 to rotate operating handle 6, until both break away from. This device can effectively solve the consuming time hard problem of the production of maintainer when demolising the GIS inner tube, effectively improves GIS disintegration maintenance efficiency, and this instrument is applicable to the use when multiple GIS tubular conductor is dismantled and is installed to a certain extent.

Go up the outer wall of clamp 1 and lower clamp 2 and install fixed sleeve 7, fixed sleeve 7 inner wall is equipped with the internal thread, the outer wall of 6 one ends of operating handle is equipped with the external screw thread, operating handle 6 with fixed sleeve 7 threaded connection. Operating handle 6 and fixed sleeve 7 threaded connection conveniently carry out the dismouting to operating handle 6, avoid going up the dismouting of clamp 1 and lower clamp 2 because of operating handle 6's length influence.

Example two

Referring to fig. 2 to 4, the difference between this embodiment and the first embodiment is that the axial dimension of lower clamp 2 is less than go up clamp 1, go up clamp 1's both sides and offer the confession the logical groove 8 that lower clamp 2 passed, through-hole 9 has been seted up to clamp 2's both sides down, lock bolt 4 can pass simultaneously through-hole 9 and logical groove 8, threaded connection has two on the lock bolt 4 lock nut 5 is last lock nut 10 and lower lock nut 11 respectively, lock nut 5 all is located go up between clamp 1 and the lower clamp 2, go up lock nut 10 with the bottom butt of lower clamp 2, lower lock nut 11 with the top butt of going up clamp 1.

The second embodiment is suitable for the situation that when the size of the inner pipe is small, the inner pipe cannot be clamped after the upper clamp 1 and the lower clamp 2 are butted together in a mirror image mode. The two ends of the upper clamp 1 penetrate through the through groove 8 and are in cross connection with the lower clamp 2, at the moment, the inner walls of the upper clamp 1 and the lower clamp 2 are occluded and abutted with the outer side of the inner pipe, the locking bolt 4 firstly penetrates through the through hole 9, and the upper locking nut 10 and the lower locking nut 11 are screwed on the locking bolt 4, then the locking bolt 4 passes through the through groove 8, the upper locking bolt 4 is screwed to the top, the nut at the top of the locking bolt 4 and the upper locking nut 10 are ensured to firmly clamp the lower hoop 2, then the lower locking nut 11 is rotated until the lower locking nut 11 is abutted against the top of the upper hoop 1, at the moment, the lower locking nut 11 is continuously rotated downwards, the upper hoop 1 can be stressed by downward force, the lower hoop 2 can be forced upwards, the locking bolts 4 on two sides can be operated simultaneously by two persons, through the effort of exerting reverse deviation to last clamp 1 and lower clamp 2 for last clamp 1 and lower clamp 2 can firmly grasp the inner tube.

The size of the locking nut 5 is larger than that of the through groove 8.

It is right still to install in logical groove 8 fixed plate 12 that locking bolt 4 led, fixed plate 12 center is equipped with the guiding hole, the size of guiding hole with through-hole 9's size is the same, locking bolt 4 with through-hole 9 and guiding hole swing joint, fixed plate 12 through the joint subassembly with go up clamp 1 and can dismantle the connection.

The joint subassembly includes joint board 13, the both sides inner wall that leads to groove 8 has seted up with outside communicating transverse groove 14, fixed plate 12 with transverse groove 14 sliding connection, transverse groove 14's top has been seted up transverse groove 14 perpendicular communicating perpendicular groove 15, it communicates with each other with the outside to erect 15 tops in the groove, joint board 13 with erect 15 sliding connection in the groove, the one end of fixed plate 12 with transverse groove 14's terminal butt, the other end of fixed plate 12 with joint board 13 butt.

After

last clamp

1 and 2 cross connection of lower clamp, push fixed plate 12 from the cross slot 14 entry in the outside to the end, push joint board 13 from the perpendicular groove 15 entry on top to the end again afterwards, fix fixed plate 12 through joint board 13 and cross slot 14 inner wall, locking bolt 4 passes earlier through-hole 9 in proper order and screws up behind the locking nut 10 and pass the guiding hole again, be favorable to leading fixedly to locking bolt 4, prevent that locking bolt 4 from taking place the slope off tracking, ensure to go up clamp 1 and lower clamp 2 and hold fixed effect to the adding of inner tube, locking nut 11 and the top butt of last clamp 1 down simultaneously, also can block up perpendicular groove 15, prevent the roll-off of clamp board 13, ensure the stability of clamp board 13 and fixed plate 12.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an inner tube extracting tool for GIS sheathed tube, a serial communication port, including last clamp and lower clamp, the inner wall of going up clamp and lower clamp all is fixed with the rubber pad, go up the clamp and all wear to be equipped with locking bolt with the both sides of lower clamp, locking bolt through respectively with go up clamp and lower clamp swing joint, the locking bolt outside still the cover is equipped with and is used for fixing go up the lock nut of clamp and lower clamp, locking nut with locking bolt threaded connection, the equal fixed mounting of outer wall of going up clamp and lower clamp has the operating handle.

2. The inner pipe dismounting tool for the GIS sleeve according to claim 1, wherein the outer walls of the upper clamp and the lower clamp are provided with fixing sleeves, the inner walls of the fixing sleeves are provided with internal threads, the outer wall of one end of the operating handle is provided with external threads, and the operating handle is in threaded connection with the fixing sleeves.

3. The inner pipe dismounting tool for the GIS sleeve according to claim 1, characterized in that the axial dimension of the lower clamp is smaller than that of the upper clamp, through grooves for the lower clamp to pass through are formed in two sides of the upper clamp, through holes are formed in two sides of the lower clamp, a locking bolt can simultaneously pass through the through holes and the through grooves, two locking nuts are in threaded connection on the locking bolt, the locking nuts are located between the upper clamp and the lower clamp, and the locking nuts are respectively in one-to-one abutting joint with the upper clamp and the lower clamp.

4. The inner pipe dismounting tool for the GIS sleeve according to claim 3, wherein the size of the locking nut is larger than that of the through groove.

5. The inner pipe dismounting tool for the GIS sleeve according to claim 1, wherein a fixing plate for guiding the locking bolt is further installed in the through groove, a guide hole is formed in the center of the fixing plate, the size of the guide hole is the same as that of the through hole, the locking bolt is movably connected with the through hole and the guide hole, and the fixing plate is detachably connected with the upper clamp through a clamping assembly.

6. The inner pipe dismounting tool for the GIS sleeve according to claim 4, wherein the clamping assembly comprises a clamping plate, the inner walls of two sides of the through groove are provided with transverse grooves communicated with the outside, the fixed plate is slidably connected with the transverse grooves, the top of each transverse groove is provided with a vertical groove vertically communicated with the transverse grooves, the top of each vertical groove is communicated with the outside, the clamping plate is slidably connected with the vertical grooves, one end of the fixed plate is abutted to the tail end of each transverse groove, and the other end of the fixed plate is abutted to the clamping plate.