CN203312091U - Switch operating mechanism accurate installation platform driven by pulley block and guided by guide wheel - Google Patents
Switch operating mechanism accurate installation platform driven by pulley block and guided by guide wheel Download PDFInfo
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- CN203312091U CN203312091U CN2013203945920U CN201320394592U CN203312091U CN 203312091 U CN203312091 U CN 203312091U CN 2013203945920 U CN2013203945920 U CN 2013203945920U CN 201320394592 U CN201320394592 U CN 201320394592U CN 203312091 U CN203312091 U CN 203312091U
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- platform
- direction guide
- guide rail
- running block
- operating mechanism
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Abstract
The utility model discloses a switch operating mechanism accurate installation platform driven by a pulley block and guided by a guide wheel. The switch operating mechanism accurate installation platform includes a bracket trolley, a fixed pulley block arranged on the bracket trolley, a movable pulley block arranged on a lifting platform, a platform bottom plate, and a platform top plate. The pulley block and a steel wire rope drive the lifting platform to rise and fall; the platform bottom plate realizes horizontal adjustment by four basket nuts supporting on the lifting platform; and a hash-shaped guide rail, a X-direction guide slot, and a Y-direction guide slot are arranged between the platform bottom plate and the platform top plate, so that the horizontal adjustment at four directions is realized for the platform top plate relative to the platform bottom plate. The novel accurate installation platform of the utility model can solve such problems in the detection test operation that machines and tools for installing the switch operating mechanism are inconvenient to use, the labor intensity is high, the installation accuracy is poor, and that the productivity is low.
Description
Technical field:
The utility model relates to the accurate mounting platform of disconnecting link operating mechanism that a kind of assembly pulley drives, directive wheel leads.
Background technology:
The disconnecting link operating mechanism is that a kind of motor machine passes drive unit, is equipped with control system, for the switching operation of scheduling process to isolating switch.This arrangement of mechanism is arranged on isolation concrete pillar, is welded and fixed, and the installation requirement position is accurate, and transmission is accurate, flexible movements.Disconnecting link actuating, its installation site have the distance of one meter left and right apart from electric substation's operation passage.Periphery has disconnecting link body, drive link, cable tube and ditch and control casing, is exactly busbar above it.In general, it is the last period of installing at equipment that the disconnecting link operating mechanism is installed, and by the double mode of praising, positions and welds at present, owing to can not implementing fixedly to lay and accurately locate, each installation all obtains repeatedly to repeat to install and just can complete, and installation quality also is difficult to guarantee.
Summary of the invention:
For overcoming the defect of prior art, the purpose of this utility model is to provide that a kind of assembly pulley drives, the accurate mounting platform of disconnecting link operating mechanism of directive wheel guiding, can solve to repair to study industry and install that the facility of disconnecting link operating mechanism are used inconvenience, labour intensity is large, installation accuracy is poor, the low inferior problem of productivity ratio.
The utility model technical solution problem adopts following technical scheme:
Assembly pulley drives, the accurate mounting platform of disconnecting link operating mechanism of directive wheel guiding, and it comprises:
Trolley, described trolley are provided with carriage and are fixedly arranged on the road wheel of described carriage bottom surface, vertically are fixed on two vertical rods of carriage limit section and are fixed on the upper beam of described two rod ends;
Bottom surface at described upper beam middle part is installed with the fixed pulley pack support, the fixed pulley group is arranged on described fixed pulley pack support by its rotating shaft, the end face of described upper beam is installed with reel stand, and the two ends of reel are located on described reel stand by bearing bracket stand, are fixedly connected with crank in the outer end of described reel;
Described carriage top is provided with hoistable platform, the running block support is fixed on described hoistable platform, running block is arranged on described running block support by its rotating shaft, an end that is wrapped in the steel wire rope on described reel is fixed on reel, and the other end is fixed on described fixed pulley group after walking around described fixed pulley group, running block;
Described hoistable platform tilts and is installed with guide wheel bracket, in the both sides of each described vertical rod, is equipped with two directive wheels, and the wheel shaft of described directive wheel is fixedly arranged on described guide wheel bracket; On described hoistable platform, be provided with four bolts hole that are in place, four summits of rectangle, in each described bolt hole, vertically be connected with gaily decorated basket screw rod, the bottom surface corner location of platform floor is provided with the nut with described gaily decorated basket screw rod coupling, and described platform floor is supported on hoistable platform with four described gaily decorated basket screw rods;
Above described platform floor, be provided with platform top, the end face level of described platform floor is provided with two parallel X-direction guide grooves, the bottom surface level of described platform top is provided with two parallel Y-direction guide grooves, and described X-direction guide groove is perpendicular to one another in the horizontal direction with described Y-direction guide groove; Two opposite side of described platform floor respectively are provided with upward folded, and described upward folded length direction is vertical with the length direction of described X-direction guide groove; Two opposite side of described platform top respectively are provided with to lower hem, and described length direction to lower hem is vertical with the length direction of described Y-direction guide groove;
Between described platform floor and platform top, be provided with the groined type guide rail, two X-direction guide rails of described groined type guide rail are embedded in the X-direction guide groove of described platform floor, and two Y-direction guide rails of groined type guide rail are embedded in the Y-direction guide groove of described platform top;
At one of described platform floor upward folded middle part, be provided with screwed hole, the threaded rod middle part coupling of X-direction adjusting handle is connected in described screwed hole, and the front end polished rod of the threaded rod of described X-direction adjusting handle is rotatably connected on the middle part of described Y-direction guide rail; At an internal thread hole of the middle part to lower hem of described platform top, the threaded rod of Y-direction adjusting handle middle part coupling is connected in described internal thread hole, and the front end polished rod of the threaded rod of described Y-direction adjusting handle is rotatably connected on the middle part of described X-direction guide rail;
Between described carriage and described platform floor, be provided with the locking disk, the middle part of described platform floor is provided with circular hole, the middle part, bottom surface of described platform top vertically is fixedly connected with tie down screw, and the lower end of described tie down screw is connected in the screwed hole of centre of described locking disk; The diameter of described locking disk is greater than the diameter of described circular hole, and the diameter of described circular hole is more than or equal to the range of described X-direction guide rail/Y-direction guide rail.
Design feature of the present utility model also is: described hoistable platform consists of two longerons and two crossbeams being in the described two same end of longeron places, on described longeron, tilt to be installed with guide wheel bracket separately, described four bolts hole that are in place, four summits of same rectangle are located on described two longerons equally; Between the middle part of described two crossbeams, be fixedly connected with the running block support, running block is arranged on described running block support by its each axis of rotation, and running block drives described hoistable platform lifting by described rope traction.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the accurate mounting platform of disconnecting link operating mechanism of the present utility model, hoistable platform drives lifting by assembly pulley, can be parked in accurately required height, also platform floor, the platform top of on hoistable platform, installing can be parked in to desired height, platform top and then the disconnecting link operating mechanism that it can be lifted precisely are lifted to required setting height(from bottom).
2, platform floor is supported on hoistable platform by four gaily decorated basket screw rods, the bottom of gaily decorated basket screw rod is threaded with hoistable platform, gaily decorated basket screw tip is connected with the nut thread of platform floor bottom surface corner location, by gaily decorated basket screw rod, can adjust accurately the levelness of platform floor, be therefore the levelness of capable of regulating disconnecting link operating mechanism.
3, two opposite side of two of platform floor opposite side and platform top are respectively equipped with upward folded and to lower hem, flanging both can be used for being threaded with adjusting handle, simultaneously also can strengthen the intensity of platform floor and platform top, in addition, two upward folded and two cavitys that surrounded a base closed to lower hem between platform floor and platform top, make groined type guide rail and X-direction guide groove, Y-direction guide groove be in this cavity, under field operation environment, avoid foreign material to fall into the operation that guide groove affects guide rail.
4, because platform floor is supported on hoistable platform by four gaily decorated basket screw rods, therefore platform floor can't move in the horizontal direction, in order to make platform top four-way adjusting in the horizontal direction, and then can accurately the disconnecting link operating mechanism be adjusted to required installation site in the horizontal direction.Between platform top and platform floor, be provided with dexterously the groined type guide rail, and be respectively equipped with at the end face of platform floor and the bottom surface of platform top X-direction guide groove and the Y-direction guide groove coordinated with the groined type guide rail, while rotating the X-direction adjusting handle, groined type guide rail and platform top synchronously move along the X-direction guide groove; While rotating the Y-direction adjusting handle, the groined type guide rail is motionless, and platform top moves along the Y-direction guide groove, thereby reaches the purpose that platform top along continuous straight runs four-way is regulated.
5, owing to should guaranteeing platform top, can carry out in the horizontal direction the four-way adjusting with respect to platform floor, guarantee that again platform top can not break away from from platform floor, the utility model is provided with big hole at the platform floor center dexterously, bottom center in platform top vertically arranges tie down screw, this tie down screw passes in big hole, and in the bottom surface of platform floor, the locking disk is set, the diameter of this disk is greater than the diameter of circular hole, the locking disk is threaded with the bottom of tie down screw, can be by platform top and platform floor pretension together, can not break away from, simultaneously can guarantee that both can relatively move in the horizontal direction.
6, on two longerons of hoistable platform, tilt to be installed with separately guide wheel bracket, each guide wheel bracket is provided with two directive wheels that are in the column both sides, the wheel shaft of each directive wheel is installed on guide wheel bracket, when leading screw drives the hoistable platform lifting, in the middle of being clamped in column, two directive wheels play the effect to the hoistable platform guiding, between directive wheel and column, be rolling friction, frictional force is little; In addition, guide wheel bracket is inclined on longeron, two directive wheels are in the both sides of column and not in the same plane, away from the level height of the directive wheel of hoistable platform higher than another directive wheel, the purpose arranged like this is, because running block is that an end at hoistable platform drives its lifting, when on hoistable platform, carrying the disconnecting link operating mechanism, hoistable platform need carry larger torsion, and guide wheel bracket is obliquely installed and directive wheel is one high and one low can overcome the torsion that hoistable platform one end produces when stressed.
The accompanying drawing explanation:
Fig. 1 is main TV structure schematic diagram of the present utility model; Fig. 2 is end view of the present utility model; Fig. 3 is vertical view of the present utility model; Fig. 3 A is directive wheel wheel shaft and guide wheel bracket scheme of installation; Fig. 3 B is the location diagram of guide wheel bracket, directive wheel and vertical rod; Fig. 4 is the cutaway view of the utility model hoistable platform; Fig. 5 is the vertical view of hoistable platform; Fig. 6 is the Y-direction view of platform floor; Fig. 7 is the X-direction view of platform floor; Fig. 8 is the X-direction vertical view of platform floor; Fig. 9 is the schematic diagram of locking disk; Figure 10 is the Y-direction view of platform top; Figure 11 is the X-direction view of platform top; Figure 12 is platform top X-direction vertical view; Figure 13 is the schematic diagram of X-direction adjusting handle (or Y-direction adjusting handle); Figure 14 is the X-direction view of groined type guide rail; Figure 15 is the Y-direction view of groined type guide rail; Figure 16 is the Y-direction vertical view of groined type guide rail.
Number in the figure: 001 carriage, 002 road wheel, 003 vertical rod, 004 upper beam, 2 leading screws, 201 fixed pulley groups, 202 reel stands, 203 reels, 204 cranks, 205 running blocks, 206 steel wire ropes, 3 hoistable platforms, 301 bolts hole, 302 gaily decorated basket screw rods, 303 longerons, 304 crossbeams, 305 guide wheel brackets, 306 directive wheels, 307 wheel shafts, 4 platform floors, 401 is the X-direction guide groove, 402 is upward folded, 403 circular holes, 404 nuts, 5 platform top, 501 is the Y-direction guide groove, 502 to lower hem, 503 tie down screws, 6 groined type guide rails, 601 is the X-direction guide rail, 602 is the Y-direction guide rail, 7 is the X-direction adjusting handle, 8 is the Y-direction adjusting handle, 9 locking disks.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment:
Embodiment: the assembly pulley of the present embodiment drives, the accurate mounting platform of disconnecting link operating mechanism of directive wheel guiding, and in conjunction with Fig. 1-2, it comprises:
Trolley, this trolley are provided with carriage 001 and are fixedly arranged on the road wheel 002 of carriage bottom surface, vertically are fixed on two vertical rods 003 of carriage limit section and are fixed on the upper beam 004 of two rod ends; In specifically arranging, road wheel 002 comprises two straight line wheels and two deflecting rollers, and with brake gear.
In conjunction with Fig. 1,2, bottom surface at described upper beam middle part is installed with the fixed pulley pack support, fixed pulley group 201 is arranged on the fixed pulley pack support by its each axis of rotation, the end face of upper beam is installed with reel stand 202, the two ends of reel 203 are located on reel stand by bearing bracket stand, in the outer end of reel, be fixedly connected with crank 204, and on crank, be rotatably connected to handle, crank drives reel and rotates, by steel wire rope 206, walk around the fixed pulley group, drive running block 205 and rise, realize the rising of hoistable platform, the deadweight of hoistable platform and load equipment thereof can realize the decline of lifting.
In conjunction with Fig. 1,2,5, the carriage top is provided with hoistable platform 3, the running block support is fixed on hoistable platform 3, running block 205 is arranged on the running block support by its rotating shaft, an end that is wrapped in the steel wire rope 206 on reel 203 is fixed on reel, and the other end is fixed on fixed pulley group 201 after walking around fixed pulley group 201, running block 205; At hoistable platform, tilt and be installed with guide wheel bracket 305, in the both sides of vertical rod 003, be equipped with two directive wheels 306, the wheel shaft 307 of directive wheel is fixedly arranged on guide wheel bracket 305; On hoistable platform, be provided with four bolts hole 301 that are in place, four summits of same rectangle, in each bolt hole, vertically be connected with gaily decorated basket screw rod 302, in conjunction with Fig. 6-8, the bottom surface corner location of platform floor 4 is provided with the nut 404 with gaily decorated basket screw rod coupling, and platform floor is supported on hoistable platform 3 with 4 four gaily decorated basket screw rods 302.
In conjunction with Fig. 6,8,10-12, above platform floor 4, be provided with platform top 5, the end face level of platform floor 4 is provided with two parallel X-direction guide grooves 401, and the bottom surface level of platform top 5 is provided with two parallel Y-direction guide grooves 501, and X-direction guide groove 401 is perpendicular to one another in the horizontal direction with Y-direction guide groove 501; In specifically arranging, in order to reduce the thickness of platform floor and platform top, each guide groove can consist of two parallel square steel that are welded on platform floor or platform top plate face.
In conjunction with figure-8, it is upward folded 402 that two opposite side of platform floor 4 respectively are provided with, and upward folded length direction is vertical with the length direction of X-direction guide groove 401; In conjunction with Figure 10-11, two opposite side of platform top 5 respectively are provided with to lower hem 502, vertical with the length direction of Y-direction guide groove to the length direction of lower hem.
In conjunction with Fig. 3,14-16, between platform floor and platform top, be provided with groined type guide rail 6, two X-direction guide rails 601 of groined type guide rail are embedded in the X-direction guide groove 401 of platform floor, and two Y-direction guide rails 602 of groined type guide rail are embedded in the Y-direction guide groove 501 of platform top.
In conjunction with Fig. 3,6,7,7,10,11, the middle part of one upward folded 402 at platform floor is provided with screwed hole, the threaded rod middle part coupling of X-direction adjusting handle 7 is connected in screwed hole, and the front end polished rod of the threaded rod of X-direction adjusting handle is rotatably connected on the middle part of Y-direction guide rail 602; At an internal thread hole of the middle part to lower hem 502 of platform top, the threaded rod of Y-direction adjusting handle 8 middle part coupling is connected in described internal thread hole, and the front end polished rod of the threaded rod of Y-direction adjusting handle is rotatably connected on the middle part of described X-direction guide rail 601; In specifically arranging, each adjusting handle threaded rod middle part is threaded with the screwed hole of each flanging, and adjusting handle threaded rod front end is one section polished rod, and this section polished rod is connected in the unthreaded hole at guide rail middle part, require the front end polished rod of adjusting handle in the guide rail unthreaded hole, to rotate, but relative displacement does not occur.
In conjunction with Fig. 8-10, between carriage 001 and platform floor 4, be provided with locking disk 9, the locking disk is close to the bottom surface of platform floor, at the middle part of platform floor 4, be provided with circular hole 403, the middle part, bottom surface of platform top 5 vertically is fixedly connected with tie down screw 503, and tie down screw is connected in the screwed hole of centre of locking disk from circular hole 403, passing its lower end; The diameter of requirement locking disk 9 is greater than the diameter of circular hole 403, and the diameter of circular hole is more than or equal to the range of X-direction guide rail/Y-direction guide rail.By tie down screw and locking disk, can not break away from by platform top 5 and platform floor 4 pretensions together, can guarantee that both can relatively move in the horizontal direction simultaneously.
In conjunction with Fig. 3 A, 3B, Fig. 4-5, in specifically arranging, hoistable platform 3 consists of two longerons 303 and two crossbeams 304 being in the two same end of longeron places, on longeron 303, tilt to be installed with guide wheel bracket 305 separately, four bolts hole 301 that are in place, four summits of same rectangle are located on two longerons equally; Between the middle part of two crossbeams 304, be fixedly connected with the running block support, running block 205 is arranged on the running block support by its each axis of rotation, and running block drives the hoistable platform lifting by rope traction.
The accurate mounting platform using method of the full degree of freedom adjusting disconnecting link operating mechanism of the utility model is as follows:
1) mounting platform is in place, and pad is set level plate on the terrace of disconnecting link operating mechanism installation site, trolley is pushed away and is put into flat board above, the locking wheel.2) mounting platform centering, carry out horizontal centering by four flower basket bolts between hoistable platform and platform floor to the platform floor mounting plane.3) disconnecting link operating mechanism equipment is placed on platform top, drives the steel wire rope folding and unfolding by crank and reel, rope hoisting running block and hoistable platform, to installation site, lock reel.4) installation site is adjusted, and by X-direction adjusting handle and Y-direction adjusting handle, adjusts the horizontal level of platform top, and the disconnecting link operating mechanism is adjusted to accurate installation site, measures and checks installation accuracy.5) be welded and fixed, the equipment of adjusting is welded and fixed.
Points for attention: at first this platform is appraised and decided load-carrying and is less than 100kg, and maximum displacement does not exceed the stroke of running block; Secondly in operation process, must not produce shock loading, cause gaily decorated basket screw rod to regulate the damage of screw thread, the error that stuck, mobile surplus etc. can not meet installation requirement occurs.
The accurate mounting platform of the utility model can be realized the installation accuracy of 0.1mm, only needs one man operation, saves greatly manpower; Machine driving is accurate, meets the required precision of erection unit; Expansion is used in the approximate device of other transformer station, makes service work productivity ratio be improved.
Claims (2)
1. the accurate mounting platform of disconnecting link operating mechanism that assembly pulley drives, directive wheel leads is characterized in that comprising:
Trolley, described trolley are provided with carriage (001) and are fixedly arranged on the road wheel (002) of described carriage bottom surface, vertically are fixed on two vertical rods (003) of carriage limit section and are fixed on the upper beam (004) of described two rod ends;
Bottom surface at described upper beam middle part is installed with the fixed pulley pack support, fixed pulley group (201) is arranged on described fixed pulley pack support by its rotating shaft, the end face of described upper beam is installed with reel stand (202), the two ends of reel (203) are located on described reel stand by bearing bracket stand, in the outer end of described reel, are fixedly connected with crank (204);
Described carriage top is provided with hoistable platform (3), the running block support is fixed on described hoistable platform (3), running block (205) is arranged on described running block support by its rotating shaft, an end that is wrapped in the steel wire rope (206) on described reel (203) is fixed on reel, and the other end is fixed on described fixed pulley group (201) after walking around described fixed pulley group (201), running block (205);
Described hoistable platform tilts and is installed with guide wheel bracket (305), is equipped with two directive wheels (306) in the both sides of each described vertical rod (003), and the wheel shaft of described directive wheel (307) is fixedly arranged on described guide wheel bracket (305); On described hoistable platform, be provided with four bolts hole (301) that are in place, four summits of rectangle, in each described bolt hole, vertically be connected with gaily decorated basket screw rod (302), the bottom surface corner location of platform floor (4) is provided with the nut (404) with described gaily decorated basket screw rod coupling, and described platform floor is supported on hoistable platform with four described gaily decorated basket screw rods;
In the top of described platform floor (4), be provided with platform top (5), the end face level of described platform floor (4) is provided with two parallel X-direction guide grooves (401), the bottom surface level of described platform top (5) is provided with two parallel Y-direction guide grooves (501), and described X-direction guide groove (401) is perpendicular to one another in the horizontal direction with described Y-direction guide groove (501); Two opposite side of described platform floor (4) respectively are provided with upward folded (402), and described upward folded length direction is vertical with the length direction of described X-direction guide groove (401); Two opposite side of described platform top (5) respectively are provided with to lower hem (502), and described length direction to lower hem is vertical with the length direction of described Y-direction guide groove;
Between described platform floor and platform top, be provided with groined type guide rail (6), two X-direction guide rails (601) of described groined type guide rail are embedded in the X-direction guide groove (401) of described platform floor, and two Y-direction guide rails (602) of groined type guide rail are embedded in the Y-direction guide groove (501) of described platform top;
Middle part in one upward folded (402) of described platform floor is provided with screwed hole, the threaded rod middle part coupling of X-direction adjusting handle (7) is connected in described screwed hole, and the front end polished rod of the threaded rod of described X-direction adjusting handle is rotatably connected on the middle part of described Y-direction guide rail (602); A middle part internal thread hole to lower hem (502) in described platform top, the threaded rod middle part coupling of Y-direction adjusting handle (8) is connected in described internal thread hole, and the front end polished rod of the threaded rod of described Y-direction adjusting handle is rotatably connected on the middle part of described X-direction guide rail (601);
Between described carriage (001) and described platform floor (4), be provided with locking disk (9), the middle part of described platform floor (4) is provided with circular hole (403), the middle part, bottom surface of described platform top (5) vertically is fixedly connected with tie down screw (503), and the lower end of described tie down screw is connected in the screwed hole of centre of described locking disk; The diameter of described locking disk (9) is greater than the diameter of described circular hole (403), and the diameter of described circular hole is more than or equal to the range of described X-direction guide rail/Y-direction guide rail.
2. the accurate mounting platform of disconnecting link operating mechanism that assembly pulley according to claim 1 drives, directive wheel leads, it is characterized in that, described hoistable platform (3) consists of two longerons (303) and two crossbeams (304) of being in the described two same end of longeron places, on described longeron (303), tilt to be installed with guide wheel bracket (305) separately, described four bolts hole (301) that are in place, four summits of same rectangle are located on described two longerons equally; Between the middle part of described two crossbeams (304), be fixedly connected with the running block support, running block (205) is arranged on described running block support by its each axis of rotation, and running block drives described hoistable platform lifting by described rope traction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203945920U CN203312091U (en) | 2013-07-03 | 2013-07-03 | Switch operating mechanism accurate installation platform driven by pulley block and guided by guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203945920U CN203312091U (en) | 2013-07-03 | 2013-07-03 | Switch operating mechanism accurate installation platform driven by pulley block and guided by guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312091U true CN203312091U (en) | 2013-11-27 |
Family
ID=49618280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203945920U Withdrawn - After Issue CN203312091U (en) | 2013-07-03 | 2013-07-03 | Switch operating mechanism accurate installation platform driven by pulley block and guided by guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337395A (en) * | 2013-07-03 | 2013-10-02 | 安徽省电力公司安庆供电公司 | Pulley block driving and guide pulley guiding accurate mounting platform for knife switch operating mechanism |
-
2013
- 2013-07-03 CN CN2013203945920U patent/CN203312091U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337395A (en) * | 2013-07-03 | 2013-10-02 | 安徽省电力公司安庆供电公司 | Pulley block driving and guide pulley guiding accurate mounting platform for knife switch operating mechanism |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150311 |
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| RGAV | Abandon patent right to avoid regrant |