CN202744223U - Hoisting tool for trigger of combined on-load tap switch - Google Patents
Hoisting tool for trigger of combined on-load tap switch Download PDFInfo
- Publication number
- CN202744223U CN202744223U CN 201220439788 CN201220439788U CN202744223U CN 202744223 U CN202744223 U CN 202744223U CN 201220439788 CN201220439788 CN 201220439788 CN 201220439788 U CN201220439788 U CN 201220439788U CN 202744223 U CN202744223 U CN 202744223U
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- China
- Prior art keywords
- over switch
- base plate
- pipe box
- pole
- combined
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a hoisting tool for hoisting a trigger during assembling a combined on-load tap switch. The hoisting tool comprises a base plate, holes formed on the base plate, a supporting rod vertically fixed on the base plate, a framework fixed at the top end of the support rod, a shaft rotatably and horizontally mounted in the framework and a hoisting rope wound on the shaft, wherein a lifting hook fixed below the hoisting rope, and a driving device for driving the shaft to rotate is also comprised. When the hoisting tool is in use, a bolt fastening piece penetrates the holes on the base plate, the hoisting tool for trigger of the combined on-load tap switch is fixed on the top surface of an on-load transformer, and the shaft rotatably and horizontally mounted in the framework can be driven by the driving device to rotate. Since the lifting hook is fixed below the hoisting rope and the tail end of the hoisting rope is fixedly wound on the shaft, the lifting hook is hung on the trigger of the combined on-load tap switch, the hoisting rope is driven by the rotation of the shaft to lift, and finally the trigger can be lifted.
Description
Technical field
The utility model relates to a kind of frock, be specifically related to a kind of for the box-like load ratio bridging switch of assembled group the lifting tool of time lifting change-over switch.
Background technology
Along with the fast development of intelligent grid, ULTC is used in electrical network and is increased, and the load ratio bridging switch regulating frequency is than greatly improving in the past, and the fault of load ratio bridging switch is also increasing simultaneously.Combined loaded tap-changer clear in the period of inspection and repair: in the time of large and small the repairing of (1) ULTC, the reply load ratio bridging switch carries out large and small repairing; (2) load ratio bridging switch that newly puts into operation need to lift by crane change-over switch change-over switch is checked; (3) after shunting switch accumulative total tap number of transitions in service reaches the maintenance number of times limit of defined, should arrange the inspection that carries out large repairs.
So when combined loaded tap-changer is overhauled, the change-over switch of load ratio bridging switch need to be lifted by crane, because the height of Loading voltage regulator is very high, and there is the change-over switch weight of compound type on-load shunting switch very heavy, so by manpower change-over switch is being lifted by crane, need to expend a large amount of manpower times, namely affecting overhaul efficiency has increased again potential safety hazard.
Summary of the invention
The utility model is in order to overcome the deficiency of above technology, provides a kind of and can make things convenient for, lifting tool laborsaving, that efficiently the change-over switch of combined loaded tap-changer is lifted by crane.
The technical scheme that its technical matters that overcomes the utility model adopts is:
This combined loaded tap-changer change-over switch lifting tool, comprise base plate, be arranged at hole on the base plate, erect the pole of being fixed on the base plate, be fixed in the frame in the pole top, rotatable level is installed on the axle in the frame and is wrapped in lifting rope on the axle, described lifting rope below is fixed with suspension hook, comprises that also one is used for the driving device with the moving axis rotation.
Above-mentioned driving device comprises worm gear and the rocking bar that is fixedly installed on the axle, and the transverse slat level is fixed in the frame, and rocking bar rotatably is installed on the transverse slat, and it is intermeshing that the lower end of described rocking bar is provided with the worm screw and the worm and wheel that match with worm gear.Because turbine and worm has the characteristic of self-locking, thus by rotating rocker in lifting process, can guarantee the change-over switch of lifting by crane can safety dwelling at an arbitrary position.
Comprise that also an end opening has the pipe box of hollow endoporus, described pipe box is fixedly installed on the base plate, and the pole activity is plugged in the endoporus of pipe box and by latching device and will props up on rod locking and the pipe box.Pole can be adjusted setting height(from bottom) according to demand, has improved the range of use of this combined loaded tap-changer change-over switch lifting tool.
Above-mentioned latching device comprises being arranged at the elongated slot on the pipe box and passing elongated slot and screws up lock bolt on pole.Because screwing lock bolt can along sliding up and down in the elongated slot that is arranged on the pipe box, when pole is adjusted to correct position, can make pole be locked on the pipe box by screwing lock bolt.Easy to adjust quick, further improved the efficient of maintenance.
In order to improve the intensity of pipe box, be provided with some gussets around the above-mentioned pipe box.
Above-mentioned lifting rope end is equipped with the suspension ring of annular arrangement, and suspension hook is hung in the endoporus of suspension ring.Because suspension hook is mounted on the suspension ring, so can be convenient for changing according to concrete environment for use the suspension hook of dimension.Improved the range of use of this combined loaded tap-changer change-over switch lifting tool.
Two barrier dishes are installed on the above-mentioned axle, and the lifting rope that is wrapped on the axle is arranged in two barrier dishes.Because the barrier effect of barrier dish, can make lifting rope in winding process all the time between two barrier dishes, can not twine by mistake and damage the turbine and worm structure on the turbine, and cause the inconvenience in the use procedure.
The beneficial effects of the utility model are: during use, pass the hole that is arranged on the base plate by bolt fastener, namely this combined loaded tap-changer change-over switch lifting tool can be fixed in has on the top planes of carrying voltage transformer, owing to erectting on the base plate and being provided with pole and frame is fixed in the top of pole, can drive the axle rotation that rotatably is installed in the frame by rotation transmission device.Because the lifting rope below is fixed with the end of suspension hook and lifting rope and fixedly is wrapped on the axle, suspension hook is articulated on the change-over switch of combined loaded tap-changer, thereby by the rotation drive lifting rope lifting of axle change-over switch can be enhanced.This combined loaded tap-changer change-over switch lifting tool physical construction is simple and reliable, has saved a large amount of human resources, can improve overhaul efficiency.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
Among the figure, 1. base plate 2. gussets 3. pipe boxes 4. elongated slots 5. lock bolts 6. poles 7. frames 8. rocking bars 9. suspension ring 10. suspension hooks 11. holes 12. worm gears, 13. worm screws, 14. transverse slats, 15. barrier dishes, 16. axles, 17. lifting ropes.
The specific embodiment
Be described further below in conjunction with accompanying drawing 1,2 pairs of the utility model of accompanying drawing.
This combined loaded tap-changer change-over switch lifting tool, comprise base plate 1, be arranged at hole 11 on the base plate 1, erect the pole 6 of being fixed on the base plate 1, be fixed in the frame 7 in pole 6 tops, rotatable level is installed on the axle 16 in the frame 7 and is wrapped in lifting rope 17 on the axle 16, described lifting rope 17 belows are fixed with suspension hook 10, comprise that also one is used for the driving device with moving axis 16 rotations.During use, pass the hole 11 that is arranged on the base plate 1 by bolt fastener, namely this combined loaded tap-changer change-over switch lifting tool can be fixed in has on the top planes of carrying voltage transformer.Can drive axle 16 rotations that rotatably are installed in the frame 7 by rotation transmission device.Suspension hook 10 is articulated on the change-over switch of combined loaded tap-changer, thereby drives lifting rope 17 liftings and then drive suspension hook 10 liftings that are mounted on the change-over switch by the rotation of axle 16, change-over switch can be enhanced.This combined loaded tap-changer change-over switch lifting tool physical construction is simple and reliable, has saved a large amount of human resources, can improve overhaul efficiency.
Above-mentioned driving device comprises worm gear 12 and the rocking bar 8 that is fixedly installed on the axle 16, transverse slat 14 levels are fixed in the frame 7, rocking bar 8 rotatably is installed on the transverse slat 14, and it is intermeshing with worm gear 12 that the lower end of described rocking bar 8 is provided with the worm screw 13 and the worm screw 13 that match with worm gear 12.Thereby can drive worm screw 13 by rotating rocker 8 and rotate 16 rotations of driving turbine 12 band moving axis, because turbine and worm possesses the characteristic of self-locking, be that turbine can not rotate by the reverse drive worm screw, so rocking bar 8 can rest on any suitable location in lifting process, and the change-over switch of lifting can not drop in the relevant position by safety dwelling.Further improved the safety of this combined loaded tap-changer change-over switch lifting tool.
Comprise that also an end opening has the pipe box 3 of hollow endoporus, described pipe box 3 is fixedly installed on the base plate 1, pole 6 activities be plugged in the endoporus of pipe box 3 and by latching device with on pole 6 lockings and the pipe box 3.Because pole 6 can slide up and down along the endoporus of pipe box 3, pole 6 can make things convenient for to adjust according to demand uses height, can lock by latching device when adjusting to the relevant position.Use easy to adjust simple.
Above-mentioned latching device comprises the elongated slot 4 that is arranged on the pipe box 3 and passes elongated slot 4 and screws up lock bolt 5 on pole 6.Because screwing lock bolt 5 can along sliding up and down in the elongated slot 4 that is arranged on the pipe box 3, when pole 6 is adjusted to correct position, can make pole 6 be locked on the pipe box 3 by screwing lock bolt 5.Easy to adjust quick, further improved the efficient of maintenance.
Be provided with some gussets 2 around the above-mentioned pipe box 3, gusset 2 has improved the Joint strenght of pipe box 3 with respect to base plate 1, has further ensured the reliability of service of this combined loaded tap-changer change-over switch lifting tool.
Above-mentioned lifting rope 17 ends are equipped with the suspension ring 9 of annular arrangement, and suspension hook 10 is hung in the endoporus of suspension ring 10.Because suspension hook 10 is mounted on the suspension ring 10, so can be convenient for changing according to concrete environment for use the suspension hook 10 of dimension.Improved the range of use of this combined loaded tap-changer change-over switch lifting tool.
Two barrier dishes 15 are installed on the described axle 16, and the lifting rope 17 that is wrapped on the axle 16 is arranged in two barrier dishes 15.Because the barrier effect of barrier dish 15, can make lifting rope 17 in winding process all the time between two barrier dishes 15, can not twine by mistake and damage the turbine and worm structure on the turbine 12, and cause the inconvenience in the use procedure.
Claims (7)
1. combined loaded tap-changer change-over switch lifting tool, it is characterized in that: comprise base plate (1), be arranged at hole (11) on the base plate (1), erect the pole (6) of being fixed on the base plate (1), be fixed in the frame (7) in pole (6) top, rotatable level is installed on the axle (16) in the frame (7) and is wrapped in lifting rope (17) on the axle (16), described lifting rope (17) below is fixed with suspension hook (10), comprises that also one is used for the driving device that band moving axis (16) rotates.
2. combined loaded tap-changer change-over switch lifting tool according to claim 1, it is characterized in that: described driving device comprises worm gear (12) and the rocking bar (8) that is fixedly installed on the axle (16), transverse slat (14) level is fixed in the frame (7), rocking bar (8) rotatably is installed on the transverse slat (14), and it is intermeshing with worm gear (12) that the lower end of described rocking bar (8) is provided with the worm screw (13) and the worm screw (13) that match with worm gear (12).
3. combined loaded tap-changer change-over switch lifting tool according to claim 1, it is characterized in that: comprise that also an end opening has the pipe box of hollow endoporus (3), described pipe box (3) is fixedly installed on the base plate (1), pole (6) activity be plugged in the endoporus of pipe box (3) and by latching device with on pole (6) locking and the pipe box (3).
4. combined loaded tap-changer change-over switch lifting tool according to claim 3 is characterized in that: described latching device comprises the elongated slot (4) that is arranged on the pipe box (3) and passes elongated slot (4) and screws up lock bolt (5) on pole (6).
5. combined loaded tap-changer change-over switch lifting tool according to claim 3 is characterized in that: be provided with some gussets (2) around the described pipe box (3).
6. the described combined loaded tap-changer change-over switch of any one lifting tool in 5 according to claim 1, it is characterized in that: described lifting rope (17) end is equipped with the suspension ring (9) of annular arrangement, and suspension hook (10) is hung in the endoporus of suspension ring (10).
7. combined loaded tap-changer change-over switch lifting tool according to claim 6, it is characterized in that: two barrier dishes (15) are installed on the described axle (16), and the lifting rope (17) that is wrapped on the axle (16) is arranged in two barrier dishes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439788 CN202744223U (en) | 2012-08-31 | 2012-08-31 | Hoisting tool for trigger of combined on-load tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220439788 CN202744223U (en) | 2012-08-31 | 2012-08-31 | Hoisting tool for trigger of combined on-load tap switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202744223U true CN202744223U (en) | 2013-02-20 |
Family
ID=47703652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220439788 Expired - Fee Related CN202744223U (en) | 2012-08-31 | 2012-08-31 | Hoisting tool for trigger of combined on-load tap switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202744223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115502A (en) * | 2016-06-24 | 2016-11-16 | 国家电网公司 | The hoisting tool special of chopper |
-
2012
- 2012-08-31 CN CN 201220439788 patent/CN202744223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115502A (en) * | 2016-06-24 | 2016-11-16 | 国家电网公司 | The hoisting tool special of chopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |