CN213351292U - Protection device for movable fit mounting hole during welding of gas-insulated switchgear - Google Patents
Protection device for movable fit mounting hole during welding of gas-insulated switchgear Download PDFInfo
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- CN213351292U CN213351292U CN202022010591.4U CN202022010591U CN213351292U CN 213351292 U CN213351292 U CN 213351292U CN 202022010591 U CN202022010591 U CN 202022010591U CN 213351292 U CN213351292 U CN 213351292U
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Abstract
The utility model relates to a protection device for a movable fit mounting hole during welding of an inflatable cabinet, which comprises a flat bottom plate and a flat top plate, wherein the middle parts of the surfaces of the bottom plate and the top plate are respectively provided with a first through hole with the aperture not larger than that of the movable fit mounting hole; a screw is arranged in the first through hole in a matching manner, the head of the screw sequentially penetrates through the first through holes on the bottom plate and the top plate and is welded with the bottom plate at the tail part, and the head is detachably connected with the top plate through a nut; the top of the bottom plate is also fixedly connected with a flat annular positioning plate which is used for positioning and is sleeved on the screw in a matching manner, the outer diameter of the positioning plate is matched with the aperture of the movable fit mounting hole, and the thickness of the positioning plate is not more than the depth of the movable fit mounting hole. The utility model discloses a simple structure, easy dismounting does benefit to the use, has avoided the deformation of movable fit mounting hole when the welding, has improved the security and the stability of aerifing the cabinet.
Description
Technical Field
The utility model relates to a processing of aerifing the cabinet, especially a protection device of movable fit mounting hole when aerifing the cabinet welding.
Background
The inflatable cabinet is a new generation of switch equipment, the main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, the whole cabinet is combined with a sulfur hexafluoride gas compartment by adopting air insulation, and the inflatable cabinet is compact and expandable and is suitable for distribution automation. Aerify the cabinet movable fit and be an important part of aerifing the cabinet, aerify the cabinet at present in process of production, welded gas tank is 304 corrosion resistant plate, and the board is thick about 2mm, and the width of panel is only 325mm, and the movable fit mounting hole very easily receives the too high influence of welding temperature and takes place to warp during the welding, and then causes the gas leakage, makes switch insulating properties decline, product poor stability.
SUMMERY OF THE UTILITY MODEL
To current not enough, the utility model provides a protection device of movable fit mounting hole when aerifing the cabinet welding.
The utility model provides a technical scheme that its technical problem adopted is: a protection device for a movable fit mounting hole during welding of an inflatable cabinet comprises a flat bottom plate and a flat top plate, wherein the middle parts of the surfaces of the bottom plate and the top plate are respectively provided with a first through hole with the aperture not larger than that of the movable fit mounting hole; a screw is arranged in the first through hole in a matching manner, the head of the screw sequentially penetrates through the first through holes on the bottom plate and the top plate and is welded with the bottom plate at the tail part, and the head is detachably connected with the top plate through a nut; the top of the bottom plate is fixedly connected with a flat annular positioning plate which is used for positioning and is sleeved on the screw in a matching mode, the outer diameter of the positioning plate is matched with the aperture of the movable fit mounting hole, and the thickness of the positioning plate is not larger than the depth of the movable fit mounting hole.
Preferably, the positioning plate is provided with a plurality of second through holes at intervals.
Preferably, the bottom plate and the top plate are identical circular steel plates.
Preferably, the screw is a hexagonal screw.
Preferably, the positioning plate is tightly attached to the top of the bottom plate and fixedly connected with the bottom plate.
The beneficial effects of the utility model reside in that: the utility model has simple structure, when in use, the bottom plate and the top plate are respectively arranged at two ends of the movable fit mounting hole, the screw passes through the movable fit mounting hole and then is connected with the screw thread through the nut at one side of the top plate, the panel where the movable fit mounting hole is arranged on the inflatable cabinet is tightly pressed between the bottom plate and the top plate, the heat generated in welding is radiated out through the bottom plate and the panel, the edge of the movable fit mounting hole is tightly pressed between the bottom plate and the top plate, the movable fit mounting hole can not deform even under the influence of high temperature in welding, the bottom plate and the top plate are convenient to disassemble and assemble and facilitate use, meanwhile, the positioning plate can well conduct the heat conducted to the edge of the movable fit mounting hole while ensuring that the bottom plate and the top plate are accurately tightly pressed at the edge of the movable fit mounting hole, and further reduces the influence of high temperature on the movable fit mounting hole, the safety and the stability of the inflatable cabinet are improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of the embodiment of the present invention;
FIG. 3 is a schematic structural view of the bottom plate, the screws and the positioning plate of the embodiment of the present invention after being fixedly connected;
figure 4 is a schematic view of the embodiment of the present invention in use;
fig. 5 is a schematic structural diagram of the embodiment of the present invention after cross cutting along the screw in fig. 4;
fig. 6 is an enlarged schematic structural diagram of a in fig. 5 according to an embodiment of the present invention;
part names and serial numbers in the figure: 1-bottom plate 10-first through hole 2-top plate 3-screw 30-nut 4-positioning plate 40-second through hole 5-movable fit mounting hole.
Detailed Description
To clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are clearly and completely described below. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, directional terms as referred to in the present disclosure, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer only to the direction of the attached drawings, and directional terms used are intended to better and more clearly illustrate and understand the present invention rather than to indicate or imply the orientation the present invention must have, and therefore should not be construed as limiting the present invention.
The embodiment of the utility model is shown in fig. 1 to fig. 6, a protection device for a movable fit mounting hole during welding of an inflatable cabinet comprises a flat bottom plate 1 and a flat top plate 2, wherein the bottom plate 1 and the top plate 2 are both provided with a first through hole 10 with a diameter not larger than the diameter of the movable fit mounting hole 5 in the middle of the surface, namely the first through holes 10 on the bottom plate 1 and the top plate 2 are the same, so that the production and the processing are convenient, the first through hole 20 is arranged in the middle, so that the bottom plate 2 and the top plate 2 have enough surfaces in the circumferential direction of the first through hole 10 to be contacted with a panel where the movable fit mounting hole 5 is positioned, the diameter of the first through hole 10 is not larger than the diameter of the movable fit mounting hole 5, so that in use, the edge of the movable fit mounting hole 5 is always pressed between the bottom plate 1 and the top plate 2, the problem of thermal deformation of the uncompressed edge can not exist, the bottom plate 1 and the top plate 2 are the same round steel plates, the round steel plates have no sharp edges, so that the user cannot be harmed in use, the steel plates are more favorable for heat conduction, the influence of high temperature on the movable fit mounting holes 5 is reduced, and the production efficiency is improved when the bottom plate 1 and the top plate 2 are the same; the screw 3 is arranged in the first through hole 10 in a matching manner, namely the outer diameter of the tooth part of the screw 3 is matched with the aperture of the first through hole 10, relative shaking cannot be generated between the screw 3 and the first through hole 10 after the screw 3 is inserted into the first through hole 10, the connection structure is stable, the screw 3 is a hexagonal screw, the tail part of the screw 3 can be pinched and held conveniently, the screw can be taken conveniently and used conveniently, the head part of the screw 3, namely the tooth part of the screw 3, sequentially penetrates through the first through holes 10 on the bottom plate 1 and the top plate 2 and is welded and connected with the bottom plate 1 at the tail part, the head part is detachably connected with the top plate 2 through a nut 30, namely the screw 3 is fixedly connected with the bottom plate 1 and is connected into a whole through welding, and is detachably connected with the top plate 2, so that the bottom plate 1 and the top plate 2 are respectively arranged at two ends of the movable fit mounting hole 5 during use, the screw 3 penetrates through the driven matching mounting hole 5, then the screw is in threaded connection with the screw 3 through the nut 30 on one side of the top plate 2, a panel on the pneumatic cabinet where the movable matching mounting hole 5 is located is tightly pressed between the bottom plate 1 and the top plate 2, heat generated during welding can be dissipated through the bottom plate 1 and the panel 2, the edge of the movable matching mounting hole 5 is tightly pressed between the bottom plate 1 and the top plate 2, the movable matching mounting hole 5 cannot deform even under the influence of high temperature during welding, after the welding and cooling are finished, the nut 30 is unscrewed, the top plate 2 is detached from the screw 3, the bottom plate 1 and the screw 3 are detached from the driven matching mounting hole 5, the bottom plate 1 and the top plate 2 are convenient to disassemble and assemble, and the use is facilitated; the top of the bottom plate 1 is also fixedly connected with a flat-plate-shaped annular positioning plate 4 which is used for positioning and is sleeved on the screw 3 in a matching manner, namely the positioning plate 4 is sleeved on the screw 3 and then is fixedly connected with the bottom plate 1 and the screw 3 at the top of the bottom plate 1 at the same time, the fixed connection can connect the bottom plate 1 and the screw 3 into a whole by adopting a welding manner, when in use, the screw 3 passes through the movable fit mounting hole 5, the positioning plate 4 sleeved on the screw 3 is arranged in the movable fit mounting hole 5 to position the bottom plate 1, the top plate 2 and the movable fit mounting hole 5, the thickness of the positioning plate 4 is flat-plate-shaped, which means that the thickness of the positioning plate 4 is not too thick, the outer diameter of the positioning plate 4 is matched with the aperture of the movable fit mounting hole 5, the thickness of the positioning plate 4 is not more than the depth of the movable fit mounting hole 5, and the outer, the side wall of the gas-filled tank can be just abutted against the side wall of the movable fit mounting hole 5, the positions of the bottom plate 1 and the top plate 2 are positioned, the bottom plate 1 and the top plate 2 can be accurately pressed on the edge of the movable fit mounting hole 5, heat conducted to the edge of the movable fit mounting hole 5 can be well conducted out, the influence of high temperature on the movable fit mounting hole 5 during welding is further reduced, and the safety and the stability of the gas-filled tank are improved; the thickness of the positioning plate 4 is limited, so that the positioning plate is prevented from protruding out of the movable fit mounting hole 5 when the thickness of the positioning plate is too thick, and a gap is generated, so that the bottom plate 1 and the top plate 2 cannot be completely pressed on the edge of the movable fit mounting hole 5, and the protective effect cannot be achieved. Meanwhile, in order to enable the positioning plate 4 to play a positioning role and avoid generating a gap between the bottom plate 1 and the panel where the top plate 2 and the movable fit mounting hole 5 are located, the positioning plate 4 is tightly attached to the top of the bottom plate 1 and fixedly connected with the bottom plate 1.
In a further improvement, as shown in fig. 2 and 3, a plurality of second through holes 40 are formed in the positioning plate 4 at intervals, so that heat conducted to the edge of the movable fit mounting hole 5 during welding can be conducted more favorably, and the influence of high welding temperature on the movable fit mounting hole 5 is reduced.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. The utility model provides a protection device of movable fit mounting hole when aerifing cabinet welding which characterized in that: the mounting hole comprises a flat bottom plate and a flat top plate, wherein the middle parts of the surfaces of the bottom plate and the top plate are respectively provided with a first through hole with the aperture not larger than that of the movably-matched mounting hole; a screw is arranged in the first through hole in a matching manner, the head of the screw sequentially penetrates through the first through holes on the bottom plate and the top plate and is welded with the bottom plate at the tail part, and the head is detachably connected with the top plate through a nut; the top of the bottom plate is fixedly connected with a flat annular positioning plate which is used for positioning and is sleeved on the screw in a matching mode, the outer diameter of the positioning plate is matched with the aperture of the movable fit mounting hole, and the thickness of the positioning plate is not larger than the depth of the movable fit mounting hole.
2. The protection device for the movable fit mounting hole during welding of the inflatable cabinet as claimed in claim 1, wherein: a plurality of second through holes are formed in the positioning plate at intervals.
3. The protection device for the movable fit mounting hole during welding of the inflatable cabinet as claimed in claim 1, wherein: the bottom plate and the top plate are identical circular steel plates.
4. The protection device for the movable fit mounting hole during welding of the inflatable cabinet as claimed in claim 1, wherein: the screw is a hexagonal screw.
5. The protection device for the movable fit mounting hole during welding of the inflatable cabinet as claimed in claim 1, wherein the positioning plate is tightly attached to the top of the bottom plate and fixedly connected with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022010591.4U CN213351292U (en) | 2020-09-15 | 2020-09-15 | Protection device for movable fit mounting hole during welding of gas-insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022010591.4U CN213351292U (en) | 2020-09-15 | 2020-09-15 | Protection device for movable fit mounting hole during welding of gas-insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213351292U true CN213351292U (en) | 2021-06-04 |
Family
ID=76152020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022010591.4U Active CN213351292U (en) | 2020-09-15 | 2020-09-15 | Protection device for movable fit mounting hole during welding of gas-insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213351292U (en) |
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2020
- 2020-09-15 CN CN202022010591.4U patent/CN213351292U/en active Active
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