CN205582875U - Current -limiting fuses changes fusion tube specialized tool - Google Patents
Current -limiting fuses changes fusion tube specialized tool Download PDFInfo
- Publication number
- CN205582875U CN205582875U CN201620366683.7U CN201620366683U CN205582875U CN 205582875 U CN205582875 U CN 205582875U CN 201620366683 U CN201620366683 U CN 201620366683U CN 205582875 U CN205582875 U CN 205582875U
- Authority
- CN
- China
- Prior art keywords
- push rod
- air pressure
- valve
- fixed
- gas bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000004927 fusion Effects 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model provides a current -limiting fuses changes fusion tube specialized tool solves current -limiting fuses maintenance installation difficulty, maintains the technical problem that the installation wastes time and energy, belongs to current -limiting fuses repair tools technical field. It includes base, mount, removal frame and atmospheric pressure propulsion system, the one end on base upper portion is fixed to the mount, removes a frame slidable and install the other end on base upper portion, atmospheric pressure propulsion system installs in the lower part of removing the frame, and atmospheric pressure propulsion system's end is fixed the base on, atmospheric pressure propulsion system includes compressing mechanism, gasbag device and piston advancing mechanism, the compressing mechanism includes rocker and cam, the pivot of rocker pass through the bearing and install remove on the frame, the gasbag device include top board, lower plate, gas bag, atmospheric pressure equalizing line and valve, piston advancing mechanism include push rod and sleeve. The utility model discloses make current -limiting fuses's maintenance installation work, work efficiency is high, saves time, laborsaving.
Description
Technical field
This utility model relates to limiting fuse maintenance tool technical field, and fusion tube specific purpose tool changed by specifically a kind of limiting fuse.
Background technology
In transformer station limiting fuse to circuit its in good protection, fortuitous event once occurs.The fuse melting of limiting fuse, disconnecting circuit.When, after limiting fuse fuse melting, needing to change insurance.Need to remove the side current-carrying part of fuse when changing insurance, the current-carrying part of dismounting is formed by by a Tong Gai and a flat binding post, and wherein copper lid spring is connected with fuse.After changing insurance, during the current-carrying part of assembling and disassembling, need with fuse is effective, copper lid is defeated correct position, with buckling piece and screw, the current-carrying part removed could be fastened.At least need two people to assist mutually during operation, just can complete work, and waste time and energy, have a strong impact on equipment electric power feeding time.Accordingly, it is desirable to provide a kind of device solves the problem that limiting fuse maintenance is difficult.
Utility model content
The purpose of this utility model is to provide a kind of limiting fuse to change fusion tube specific purpose tool, with the technical problem solving limiting fuse maintenance and installation difficulty, maintenance and installation process wastes time and energy.
The technical scheme in the invention for solving the technical problem is: a kind of limiting fuse is changed fusion tube specific purpose tool and included base, fixed mount, movable stand and air pressure propulsion system；
Described fixed mount is fixed on the one end on institute's base top, and described movable stand is slidably mounted on the other end on base top；Described air pressure propulsion system is installed on the bottom of movable stand, and the end of described gas propulsive system is fixed on described base；
Described air pressure propulsion system includes compressing mechanism, airbag apparatus and piston propulsion mechanism；Described compression mechanism includes rocking bar and cam；The rotating shaft of described rocking bar is arranged on described movable stand by bearing；
Described airbag apparatus includes top board, lower shoe, gas bag, air pressure equalisation conduit and valve；Described airbag apparatus is positioned at the lower section of described compression mechanism, and described cam crimps with described top board；Described gas bag is arranged between described top board and lower shoe, and described gas bag installs back-moving spring in closing space, described gas bag with described top board and lower shoe composition；Described air pressure equalisation conduit is fixed on the bottom of described gas bag, and with gas bag UNICOM；Described air pressure equalisation conduit reversely installs valve, and described gas bag forward installs valve；
Described piston propulsion mechanism includes that push rod and sleeve, described push rod are hollow pipe, and described push rod is slidably sleeved in described sleeve；Described push rod outer end and the valve UNICOM on described air pressure equalisation conduit；Described sleeve is provided with steam vent, and described steam vent is provided with sealing-plug；The outer end of described push rod is fixed on described base.
The inner side and outer side on described base top is respectively symmetrically and arranges dovetail groove, and the bottom of described dovetail groove is provided with ball；The bottom of movable stand is provided with dovetail groove guide rail；Described base is provided with release link, and the outer end of described sleeve is fixed in described release link；The bottom of described base is respectively arranged at two ends with toed-out shape supporting leg.
Described fixed mount includes that the first fixed plate and the first bayonet socket, the first described bayonet socket are provided with the first stop screw；Described movable stand includes that the second fixed plate and the second bayonet socket, the second described bayonet socket are provided with the second stop screw.
Centre position, described top board top is provided with the cambered way of projection.
Described valve includes valve inside and elastic rubber pipe.
The outside of described air pressure equalisation conduit is symmetrically installed the first valve and duaspiracle；The outer end of described first valve and duaspiracle closes off and is fixed with the first mozzle and the second mozzle；Described push rod includes, the first push rod and the second push rod, and the outer end of the first described push rod and the first described mozzle fix UNICOM, and the second described push rod outer end and the second described mozzle fix UNICOM.
It is provided with sealing ring outside the inner of described push rod.
The beneficial effects of the utility model are:
1, this utility model utilizes mobile platform mode, is connected on fixed mount by the blind end of limiting fuse, on the conductive end portion clamping movable stand remove limiting fuse, utilizes air pressure propulsion system, the installation site of conveniently adjusted conductive end portion；One man operation, i.e. can complete the maintenance and installation work of limiting fuse, and work efficiency is high, saves time, laborsaving.
2, base of the present utility model and movable stand use dovetail groove to be slidably connected mode, and frictional resistance is little, is moved easily the movement of frame.
3, the air pressure propulsion system in this utility model is installed air pressure equalisation conduit, and piston propulsion mechanism is symmetrically arranged, it is possible to ensure, the stationarity of movable stand motion.
4, this utility model is lightweight, be easy to carry, with low cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of removal air pressure propulsion system of the present utility model；
Fig. 3 is partial enlarged drawing at A in figure；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is the sectional view of this utility model airbag apparatus；
Fig. 6 is the sectional view of this utility model piston propulsion mechanism；
In figure: 1. base；11. dovetail grooves；13. balls；14. first release links；15. second release links；2. fixed mount；21. first bayonet sockets；3. movable stand；31. dovetail groove guide rails；32. second bayonet sockets；4. compression mechanism；41. cams；5. airbag apparatus；51. top boards；52. lower shoes；53. gas bags；54. air pressure equalisation conduit；55. back-moving springs；56. first valves；57. duaspiracles；58. third valves；6. piston propulsion mechanism；61. push rods；62. sleeves；63. sealing rings.
Detailed description of the invention
As shown in Figures 1 to 6, a kind of limiting fuse replacing fusion tube specific purpose tool includes base 1, fixed mount 2, movable stand 3 and air pressure propulsion system；
The bottom of described base 1 is respectively arranged at two ends with toed-out shape supporting leg, and the supporting leg of toed-out shape structure can increase stability when device is placed；The inner side and outer side on described base 1 top is respectively symmetrically and arranges dovetail groove 11, and the most upward, the bottom of described dovetail groove 11 is provided with ball 13 to described dovetail groove 11 notch；Connection Bracket 2 is fixed on the top of described base 1 left end, described base 1 right-hand member top be respectively provided on two sides with the first release link 14 and the second release link 15；
Described fixed mount 2 includes the first fixed plate and the first bayonet socket 21.The first described fixed plate is rectangular slab, and the bottom of described first fixed plate is welded with described base 1 upper surface, and the rear end of described first bayonet socket 21 is fixedly welded on the inner side of described first fixed plate；The first described bayonet socket 21 uses cylinder hollow shell structure, in limiting fuse Maintenance Company termination process, described first bayonet socket 21 is for the blind end of clamping limiting fuse, the upper wall of described first bayonet socket 21 body is provided with the first fixing threaded hole, the first described fixing threaded hole is provided with first and fixes screw, after the blind end of limiting fuse is connected in the first bayonet socket 21, fix screw to prolong the first fixing threaded hole compress downwards the blind end of limiting fuse by first, prevent from causing coming off of limiting fuse owing to the first bayonet socket 21 clamping relaxes；
Described movable stand 3 includes dovetail groove guide rail the 31, second fixed plate and the second bayonet socket 32；
Described dovetail groove guide rail 31 is fixedly welded on described second both sides, fixed plate bottom respectively, and the second described bayonet socket 32 is welded on the inner side of described second fixed plate；Described dovetail groove guide rail 31 matches with described dovetail groove 11, described dovetail groove guide rail 31 is slidably sleeved in described dovetail groove 11, owing to the bottom of dovetail groove 11 is provided with ball 13, it is thereby possible to reduce friction during relative motion between dovetail groove guide rail 31 and dovetail groove 11；The rear end of described second bayonet socket 32 is fixedly welded on the inner side of described second fixed plate；The second described bayonet socket 32 is oppositely arranged in parallel with the first described bayonet socket 21；The second described bayonet socket 32 uses cylinder hollow shell structure, in limiting fuse Maintenance Company termination process, described second bayonet socket 32 is for the conducting end of clamping limiting fuse dismounting, the upper wall of described second bayonet socket 32 body is provided with the second fixing threaded hole, the second described fixing threaded hole is provided with second and fixes screw, after the conducting end of limiting fuse dismounting is connected in the second bayonet socket 32, fix second screw prolong the second fixing threaded hole compress downwards limiting fuse dismounting conducting end, prevent from relaxing the coming off of the conducting end causing limiting fuse to be dismantled due to the second bayonet socket 32 clamping；
Described air pressure propulsion system includes compressing mechanism 4, airbag apparatus 5 and piston propulsion mechanism 6；
Described compression mechanism 4 includes rocking bar and cam 41, and described rocking bar includes rocking arm, connecting rod and rotating shaft, and the inner of described rocking arm is welded by connecting rod is fixing with the outer end of described rotating shaft；Described rocking arm and shaft parallel, described connecting rod and rocking arm, rotating shaft are the most vertical；The rotating top being arranged on described second fixed plate of bearing is passed through in described rotating shaft；Described cam 41 is fixed in described rotating shaft, and when rocking bar rotates, band moving cam 41 rotates together；
Described airbag apparatus 5 is arranged on the lower section of described compression mechanism 4, and described airbag apparatus 5 includes top board 51, lower shoe 52, gas bag 53, air pressure equalisation conduit 54 and valve；
Described top board 51 is a rectangular slab, and centre position, top board 51 top is provided with the cambered way of projection, slides with in described cambered way extruding when described cam 41 moves to lower end, so that top board 51 is to pressure motion；Described cambered way can be prevented effectively from the cam 41 direct collision to top board 51；Described lower shoe 52 is a rectangular slab, and the inner side of described lower shoe 52 is welded and fixed with the outside of described first fixed plate；Described gas bag 53 is arranged between described top board 51 and lower shoe 52, and described gas bag 53 closes space with described top board 51 and lower shoe 52 composition, and described gas bag 53 uses Corii Bovis seu Bubali material；In airbag apparatus 5 work process, the pressure of the top pressing plate of gas bag 53 51, internal gas is discharged；Described valve includes valve inside and elastic rubber pipe, described valve inside is upper end hollow, the cylinder that lower end is solid, solid one aperture of side opening in lower end is connected with hollow space, the outer surface of described upper end hollow space is provided with annular protrusion, and described annular protrusion is between described aperture and the outer face of valve inside；Described elastic rubber pipe is sleeved on described valve inside, and the upper end of described gum sleeve is clamped on described annular protrusion, and the lower end of described gum sleeve is clamped on described solid cylinder；Described valve includes the first valve 56, duaspiracle 57 and third valve 58；Described third valve 58 forward is arranged on described gas bag 53, and i.e. the port of valve inside is outwardly, and gas can be entered in gas bag 53 by third valve 58, and can not reverse flow；Described air pressure equalisation conduit 54 is cylinder hollow pipe, uses hard material, and described air pressure equalisation conduit 54 is positioned at the bottom of described gas bag 53；Described air pressure equalisation conduit 54 is fixed on described lower shoe 52；The inner side of described air pressure equalisation conduit 54 is provided with air inlet, the outside of described air pressure equalisation conduit 54 is symmetrically installed the first valve 56 and duaspiracle 57, the first described valve 56 and duaspiracle 57 are reversibly mounted on described air pressure equalisation conduit 54, i.e. internally installed towards air pressure equalisation conduit 54 of the port of valve inside；Gas can be discharged by the first valve 56 on air pressure equalisation conduit 54 and duaspiracle 57, and can not reflux；The outer end of described first valve 56 and duaspiracle 57 closes off and is fixed with the first mozzle and the second mozzle；
Back-moving spring 55 is installed between described top board 51 and lower shoe 52, when cam 41 rotates pressing top board 51, back-moving spring 55 is compressed therewith, owing to third valve 58 forward on gas bag 53 is installed, when the air in gas bag 53 is compressed, elastic rubber pipe on third valve 58 tightens up, and covers the aperture of valve inside side, makes air can not be back to the external world from gas bag 53；Therefore, gas in gas bag 53 enters air pressure equalisation conduit 54 by the air inlet inside air pressure equalisation conduit 54, and owing to air pressure equalisation conduit 54 uses hard material manufacture, pressurized is unlikely to deform, hence into the air pressure equalisation conduit 54 of the gas process in air pressure equalisation conduit 54, the air pressure after buffering the most more equalizes；Owing to the outside reverse symmetry of air pressure equalisation conduit 54 installs the first valve 56 and duaspiracle 57, therefore after the gas in air pressure equalisation conduit 54 reaches certain pressure intensity, compressed air enters valve inside, by the aperture on valve inside elastic rubber pipe " pushed up " and rise, gas in air pressure equalisation conduit 54 enters the first mozzle and the second mozzle, without refluxing；
When cam 41 continues to rotate, eliminate after top board 51 is pressed, back-moving spring by the effect of 55 reseting elasticities by top board 51 jack-up, during Gai, in causing gas bag 53, gas pressure intensity is less than ambient atmosphere pressure, and therefore, outside air will be entered in gas bag 53 by third valve 58；Owing to the first valve 56 on air pressure equalisation conduit 54 and duaspiracle 57 are reversely installed, the gas in the first mozzle and the second mozzle can not be refluxed by the first valve 56 and duaspiracle 57；
Described piston propulsion mechanism 6 includes push rod 61 and sleeve 62；Described push rod 61 is the cylindrical bar of hollow, is provided with sealing ring 63 outside the inner of described push rod 61, and described push rod 61 is slidably sleeved in described sleeve 62；Described sleeve 62 is provided with steam vent, and described steam vent is provided with sealing-plug；Described push rod 61 includes that the first push rod and the second push rod, described sleeve 62 include the first sleeve and the second sleeve；The first described push rod is slidably sleeved in the first described sleeve, and the second described push rod is slidably sleeved in the second described sleeve；The outer end of the first described push rod and the first described mozzle fix UNICOM, and the second described push rod outer end and the second described mozzle fix UNICOM；The outer end of described first sleeve is fixed in the first described release link 14, and the outer end of the second described sleeve is fixed in the second described release link 15.
When using this device to limiting fuse maintenance and installation, the blind end of limiting fuse is connected on the first described bayonet socket 21, the conductive end portion that limiting fuse is dismantled is connected on the second described bayonet socket 32, i.e. the overall structure of limiting fuse is in same rectilinear direction；Rotating rocker, cam 41 concomitant rotation in rotating shaft, cam 41 is the reciprocating extrusion airbag apparatus 5 of discontinuity during rotating, airbag apparatus 5 does air-breathing and aerofluxus moves back and forth, mozzle and push rod 61 UNICOM of piston propulsion mechanism 6 due to the air pressure equalisation conduit 54 in gas bag 53, and push rod 61 and sleeve 62 are slidably set with, therefore during airbag apparatus 5 is extruded aerofluxus by cam 41, push rod 61 is by the gas pressure between sleeve 62 and push rod 61, push rod 61 moves out along sleeve 62, and then drive movable stand 3 close to fixed mount 2, when the conductive end portion that the limiting fuse on the second bayonet socket 32 is dismantled moves to be adapted to fit position, stop operating rocking bar, carry out installing to the conductive end portion dismantled and fix；Owing to the first valve 56 and duaspiracle 57 are reversely installed, the gas in the middle of push rod 61 and sleeve 62 can not be back in gas bag 53 by the first valve 56 and duaspiracle 57, and therefore stop is fixed on installation site by movable stand 3；After limiting fuse keeps in repair, opening the sealing-plug of sleeve 62 upper air-vent, the gas in sleeve 62 is discharged from steam vent, and then movable stand 3 retracts original position, then by close for the steam vent on sleeve 62 blocking, in case next time, limiting fuse maintenance used.
Using this device to keep in repair limiting fuse, a workman can be competent, changes the work in the past needing at least two workman just can complete, and improves work efficiency, and simple to operate.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines; but the not restriction to this utility model protection domain; on the basis of technical solutions of the utility model, those skilled in the art need not to pay various amendments or deformation that performing creative labour can make still in protection domain of the present utility model.
Claims (7)
1. fusion tube specific purpose tool changed by a limiting fuse, it is characterised in that include base, fixed mount, movable stand and air pressure propulsion system；
Described fixed mount is fixed on the one end on institute's base top, and described movable stand is slidably mounted on the other end on base top；Described air pressure propulsion system is installed on the bottom of movable stand, and the end of described air pressure propulsion system is fixed on described base；
Described air pressure propulsion system includes compressing mechanism, airbag apparatus and piston propulsion mechanism；Described compression mechanism includes rocking bar and cam；The rotating shaft of described rocking bar is arranged on described movable stand by bearing；
Described airbag apparatus includes top board, lower shoe, gas bag, air pressure equalisation conduit and valve；Described airbag apparatus is positioned at the lower section of described compression mechanism, and described cam crimps with described top board；Described gas bag is arranged between described top board and lower shoe, and described gas bag installs back-moving spring in closing space, described gas bag with described top board and lower shoe composition；Described air pressure equalisation conduit is fixed on the bottom of described gas bag, and with gas bag UNICOM；Described air pressure equalisation conduit reversely installs valve, and described gas bag forward installs valve；
Described piston propulsion mechanism includes that push rod and sleeve, described push rod are hollow pipe, and described push rod is slidably sleeved in described sleeve；Described push rod outer end and the valve UNICOM on described air pressure equalisation conduit；Described sleeve is provided with steam vent, and described steam vent is provided with sealing-plug；The outer end of described push rod is fixed on described base.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, the inner side and outer side on described base top is respectively symmetrically and arranges dovetail groove, and the bottom of described dovetail groove is provided with ball；The bottom of movable stand is provided with dovetail groove guide rail；Described base is provided with release link, and the outer end of described sleeve is fixed in described release link；The bottom of described base is respectively arranged at two ends with toed-out shape supporting leg.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, described fixed mount includes that the first fixed plate and the first bayonet socket, the first described bayonet socket are provided with the first stop screw；Described movable stand includes that the second fixed plate and the second bayonet socket, the second described bayonet socket are provided with the second stop screw.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, centre position, described top board top is provided with the cambered way of projection.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, described valve includes valve inside and elastic rubber pipe.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, the outside of described air pressure equalisation conduit is symmetrically installed the first valve and duaspiracle；The outer end of described first valve and duaspiracle closes off and is fixed with the first mozzle and the second mozzle；Described push rod includes, the first push rod and the second push rod, and the outer end of the first described push rod and the first described mozzle fix UNICOM, and the second described push rod outer end and the second described mozzle fix UNICOM.
Fusion tube specific purpose tool changed by a kind of limiting fuse the most according to claim 1, it is characterized in that, is provided with sealing ring outside the inner of described push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366683.7U CN205582875U (en) | 2016-04-27 | 2016-04-27 | Current -limiting fuses changes fusion tube specialized tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366683.7U CN205582875U (en) | 2016-04-27 | 2016-04-27 | Current -limiting fuses changes fusion tube specialized tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205582875U true CN205582875U (en) | 2016-09-14 |
Family
ID=56861744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620366683.7U Withdrawn - After Issue CN205582875U (en) | 2016-04-27 | 2016-04-27 | Current -limiting fuses changes fusion tube specialized tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205582875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788994A (en) * | 2016-04-27 | 2016-07-20 | 国网山东省电力公司济南市长清区供电公司 | Tool specialized for replacing fusion tube in current-limiting fuse |
-
2016
- 2016-04-27 CN CN201620366683.7U patent/CN205582875U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788994A (en) * | 2016-04-27 | 2016-07-20 | 国网山东省电力公司济南市长清区供电公司 | Tool specialized for replacing fusion tube in current-limiting fuse |
| CN105788994B (en) * | 2016-04-27 | 2017-09-26 | 国网山东省电力公司济南市长清区供电公司 | A kind of limiting fuse changes fusion tube specific purpose tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20170926 |