CN215617856U - Energy storage spring dismounting device for vacuum circuit breaker maintenance - Google Patents
Energy storage spring dismounting device for vacuum circuit breaker maintenance Download PDFInfo
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- CN215617856U CN215617856U CN202121736397.2U CN202121736397U CN215617856U CN 215617856 U CN215617856 U CN 215617856U CN 202121736397 U CN202121736397 U CN 202121736397U CN 215617856 U CN215617856 U CN 215617856U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 89
- 238000012423 maintenance Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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Abstract
The utility model relates to an energy storage spring dismounting device for vacuum circuit breaker maintenance, comprising: a first locating rack having a first mounting end; the second positioning frame is connected to the first positioning frame in an inserting mode and provided with a second installation end portion, and the distance between the first installation end portion and the second installation end portion can be adjusted by adjusting the inserting connection position of the second positioning frame; the first connecting piece is rotatably adjusted and arranged at the first installation end part and is used for connecting one end part of the energy storage spring of the circuit breaker; and the second connecting piece is rotatably adjusted and arranged at the second mounting end and is used for connecting the other end of the energy storage spring of the circuit breaker. The breaker energy storage spring can be stretched to keep the breaker energy storage spring in a stretched state, and during installation, an operator can hold the first positioning frame and the second positioning frame, so that the breaker energy storage spring is convenient to operate, reduces danger, is stable during installation, and avoids damage to other parts of the breaker.
Description
Technical Field
The utility model relates to the technical field of installation equipment, in particular to an energy storage spring dismounting device for vacuum circuit breaker maintenance.
Background
The replacement and installation of the spring of the circuit breaker are always difficult, the spring with pretightening force needs to be installed at a specified position by operating personnel, the spring needs to be installed in a tensioning manner in the installation process, the tensioning force is larger, the installation space is narrow, the whole operation process has great danger, the spring is installed without a special tool and completely depends on the installation skill and the working experience of operators, the traditional installation mode needs the spring to be installed at the position at one time, then with instrument such as pliers manual tensioning, hard during manual work, during the spring tensioning, have very big intensity, pure manual work is difficult to the tensioning, is difficult to install the position, and the staff that the skill level is not high hardly finds the best stress point, causes an installation failure, the spring roll-off appears easily, pops over staff etc. a great deal of problem, because the atress is inhomogeneous still can appear the staff and touch other parts of circuit breaker and cause the damage when popping out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides an energy storage spring dismounting device for vacuum circuit breaker maintenance, and solves the problems that the existing circuit breaker spring is difficult and dangerous to mount manually, and other parts of the circuit breaker are easy to damage.
The technical scheme for realizing the purpose is as follows:
the utility model provides an energy storage spring dismounting device for vacuum circuit breaker maintenance, which comprises:
a first locating rack having a first mounting end;
the second positioning frame is connected to the first positioning frame in an inserting mode, the second positioning frame is provided with a second installation end portion opposite to the first installation end portion, and the distance between the first installation end portion and the second installation end portion can be adjusted by adjusting the inserting connection position of the second positioning frame and the first positioning frame;
the first connecting piece is rotatably arranged at the first installation end and is used for connecting one end of the energy storage spring of the circuit breaker; and
and the second connecting piece is rotatably adjusted and arranged at the second installation end part and is used for connecting the other end part of the energy storage spring of the circuit breaker.
The energy storage spring dismounting and mounting device for vacuum circuit breaker maintenance is connected with one end of the energy storage spring of the circuit breaker through the first connecting piece and is connected with the other end of the energy storage spring of the circuit breaker through the second connecting piece, so that the two ends of the energy storage spring of the circuit breaker are fixed, the two ends of the energy storage spring of the circuit breaker are stretched by adjusting the inserting connection position of the second positioning frame, pre-tightening force is applied to the energy storage spring of the circuit breaker, and the energy storage spring of the circuit breaker is kept in a stretching state to complete mounting. And at the in-process of installation, the operation personnel can grip first locating rack and second locating rack, and the operation is convenient, and has reduced danger, and circuit breaker energy storage spring remains stable in the installation, has avoided causing the phenomenon emergence of damage to other parts of circuit breaker, and the device can also adapt to narrow and small space, and similarly, the device can also be used for dismantling the operation of energy storage spring.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first positioning frame and the second positioning frame are further provided with locking pieces, and the first positioning frame and the second positioning frame are locked through the locking pieces so as to limit the adjustment of the splicing connection position of the second positioning frame and the first positioning frame.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first positioning frame comprises a first fixing pipe and a positioning cylinder vertically connected to the first fixing pipe;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the locking piece is screwed on the part of the positioning shaft outside the positioning cylinder and is adjusted
After the inserting position of the positioning shaft, the first positioning frame and the second positioning frame are locked by adjusting the locking piece to abut against the end part of the positioning barrel.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first positioning frame comprises a first fixing pipe and a positioning cylinder vertically connected with the first fixing pipe;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the locking piece is screwed at the end part of the positioning barrel, and after the inserting position of the positioning shaft is adjusted, the first positioning frame and the second positioning frame are locked by adjusting the locking piece to tightly push against the positioning shaft.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first connecting piece and the second connecting piece respectively comprise a first hoop sheet and a second hoop sheet which are oppositely arranged;
one end parts of the first hoop sheet and the second hoop sheet are rotatably arranged at the corresponding first installation end part and the second installation end part through rotating shafts;
the other ends of the first hoop sheet and the second hoop sheet are connected in a locking mode through a fastener, so that the first hoop sheet and the second hoop sheet can clamp the circuit breaker energy storage spring.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first hoop sheet and the second hoop sheet are provided with limiting bulges corresponding to the energy storage spring of the circuit breaker, and the limiting bulges can clamp the corresponding parts of the energy storage spring of the circuit breaker.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the device further comprises a tensioning mechanism with a first holding rod;
the tensioning mechanism is provided with a first tensioning rod which can be in plug-in connection with the first positioning frame, a second tensioning rod which can be movably adjusted, a second holding rod which can be rotatably adjusted and a driving assembly connected between the second holding rod and the second tensioning rod;
the second tensioning rod can be connected with the second positioning frame in an inserting mode, and the second tensioning rod is arranged in parallel to the first tensioning rod;
the second holding rod is arranged opposite to the first holding rod, and the second holding rod can be adjusted through rotation so that the driving assembly drives the second tensioning rod to move and adjust towards the direction far away from the first tensioning rod, and then the distance between the first installation end part and the second installation end part is adjusted.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the tensioning mechanism comprises a fixed seat;
the driving assembly comprises a ratchet wheel which is rotatably arranged on the fixed seat, a driving pawl which is rotatably arranged on the second holding rod, a torsion spring which is arranged at the installation position of the driving pawl, a non-return pawl which is rotatably arranged on the second holding rod and a tension spring which is connected between the ratchet wheel and the non-return pawl;
the ratchet wheel is in driving connection with the second tensioning rod;
the torsion spring drives the driving pawl to abut against the ratchet wheel;
the extension spring pulling non return pawl card is located on the ratchet and then to the ratchet carries out spacingly.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that a movable adjusting groove is arranged on the fixed seat;
the end connection of second tensioning rod has the slider, the slider cunning is located move the adjustment tank in, the slider with the ratchet is connected.
The energy storage spring dismounting device for vacuum circuit breaker maintenance is further improved in that the first positioning frame comprises a first fixing pipe and a positioning cylinder vertically connected to the first fixing pipe;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the location section of thick bamboo with the location axle all is equipped with two.
Drawings
Fig. 1 is a schematic structural view of an energy storage spring mounting and dismounting device for vacuum circuit breaker maintenance according to the present invention.
Fig. 2 is a cross-sectional view of the structure shown in fig. 1.
Fig. 3 is a side view of the structure shown in fig. 1.
Fig. 4 is a schematic structural diagram of a first connecting member in the energy storage spring dismounting device for vacuum circuit breaker maintenance according to the present invention.
Fig. 5 is a schematic structural diagram of a first strap of a first connecting member of the energy storage spring dismounting device for vacuum circuit breaker maintenance according to the present invention.
Fig. 6 is a schematic structural diagram of the second strap of the first connecting member of the energy storage spring dismounting device for vacuum circuit breaker maintenance according to the present invention.
Fig. 7 is a schematic structural diagram of a tensioning mechanism of the energy storage spring dismounting device for vacuum circuit breaker maintenance according to the present invention.
Fig. 8 is a schematic structural view of the tension mechanism shown in fig. 7 with portions omitted.
Fig. 9 is a side view of the tensioning mechanism shown in fig. 7.
Fig. 10 is a front view of the structure shown in fig. 8.
Fig. 11 is a rear view of the structure shown in fig. 8.
Fig. 12 is a schematic view of the overall structure of the energy storage spring mounting and dismounting device with a tensioning mechanism for vacuum circuit breaker maintenance according to the present invention.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Referring to fig. 1, the utility model provides an energy storage spring dismounting device for vacuum circuit breaker maintenance, which is used for stretching an energy storage spring of a circuit breaker, so that the energy storage spring of the circuit breaker has pretightening force, and the energy storage spring of the circuit breaker is maintained in a stretched state to complete replacement and installation, the installation process is integrally stable, other parts of the circuit breaker cannot be damaged, the device is correspondingly connected with the end part of the energy storage spring of the circuit breaker through a first connecting piece and a second connecting piece, the danger in the operation process is reduced, the spring is safely and simply installed at a designated position, and the device is small in structure and can adapt to a narrow space. The energy storage spring mounting and dismounting device for vacuum circuit breaker maintenance of the utility model is explained with reference to the attached drawings.
Referring to fig. 1, a schematic structural diagram of an energy storage spring dismounting device for vacuum circuit breaker maintenance according to the present invention is shown. The structure of the energy storage spring mounting and dismounting device for vacuum circuit breaker maintenance according to the present invention will be described with reference to fig. 1.
As shown in fig. 1, the energy storage spring dismounting device for vacuum circuit breaker maintenance of the present invention comprises a first positioning frame 21, a second positioning frame 22, a first connecting member 23 and a second connecting member 24, wherein the first positioning frame 21 has a first mounting end 211; the second positioning frame 22 is connected to the first positioning frame 21 in an inserting manner, the second positioning frame 22 is provided with a second mounting end part 221 which is opposite to the first mounting end part 211, and the distance between the first mounting end part 211 and the second mounting end part 221 can be adjusted by adjusting the inserting connection position of the second positioning frame 22 and the first positioning frame 21; a first connecting piece 23 is rotatably and adjustably arranged at the first installation end part 211, and the first connecting piece 23 is used for connecting one end part of a circuit breaker energy storage spring; a second link 24 is rotatably mounted to the second mounting end 221, the second link 24 being adapted to be connected to the other end of the circuit breaker stored energy spring.
When installing circuit breaker energy storage spring, be connected one end of circuit breaker energy storage spring with first connecting piece 23, another tip is connected with second connecting piece 24, make this circuit breaker energy storage spring fix on the device, and then adjust the plug connection position of second locating rack 22, let second locating rack 22 remove the regulation towards the direction of keeping away from first locating rack 21, make the distance grow between first installation tip 211 and the second installation tip 221, circuit breaker energy storage spring is stretched this moment, when circuit breaker energy storage spring is stretched to target in place, stop adjusting the plug connection position of second locating rack 22, realized exerting the pretightning force to circuit breaker energy storage spring this moment, after circuit breaker energy storage spring installs on the circuit breaker, remove first connecting piece 23 and second connecting piece 24 and circuit breaker energy storage spring's connection, thereby the installation of circuit breaker energy storage spring has been accomplished.
In this embodiment, the operation is accomplished to the operating personnel accessible grip first locating rack and second locating rack, and circuit breaker energy storage spring can rotate the regulation for first locating rack and second locating rack through first connecting piece and second connecting piece to narrow space in the adaptation circuit breaker. Specifically, this embodiment utilizes the device to send into breaker energy storage spring to mounted position department when installation breaker energy storage spring, installs breaker energy storage spring tip earlier, then adjusts second locating rack plug connection position to adjust mounted position with another tip of breaker energy storage spring, can pull down the dismouting device after having installed this tip.
In an embodiment of the present invention, as shown in fig. 1, the first positioning frame 21 and the second positioning frame 22 are further provided with a locking member 25, and the first positioning frame 21 and the second positioning frame 22 are locked by the locking member 25 to limit the adjustment of the plugging connection position of the second positioning frame 22 and the first positioning frame 21. Through the locking part 25 that sets up, can adjust the grafting position back at second locating rack 22, lock this second locating rack 22's position to can let circuit breaker energy storage spring keep its tensile state, and then recycle dismouting device and send into the assigned position of installation with circuit breaker energy storage spring.
In a preferred embodiment, as shown in fig. 1 to 3, the first positioning frame 21 includes a first fixing tube 212 and a positioning cylinder 213 vertically connected to the first fixing tube 212; the second positioning frame 22 comprises a second fixing tube 222 arranged in parallel with the first fixing tube 212 and a positioning shaft 223 vertically connected to the second fixing tube 222, wherein one end of the first fixing tube 212 forms a first mounting end 211, and the corresponding end of the second fixing tube 222 forms a second mounting end 221; the positioning shaft 223 is inserted into the positioning cylinder 213, and the length of the part of the positioning shaft 223 inserted into the positioning cylinder 213 is adjustable, so that the insertion connection position of the second positioning frame 22 is adjusted, and the distance between the first installation end part 211 and the second installation end part 221 is also adjusted; the locking member 25 is screwed on the part of the positioning shaft 223 outside the positioning cylinder 213, and after the inserting position of the positioning shaft 223 is adjusted, the first positioning frame 21 and the second positioning frame 22 are locked by adjusting the locking member 25 to abut against the end part of the positioning cylinder 213. In the present embodiment, the positioning shaft 223 is a screw, and the locking member 25 is a nut.
In another preferred embodiment, as shown in fig. 1 to 3, the first positioning frame 21 and the second positioning frame 22 have the same structure as the above-described embodiments except that the locking member 25 has a different structure, the locking member 25 is screwed to the end of the positioning cylinder 213, and after the inserting position of the positioning shaft 223 is adjusted, the locking of the first positioning frame 21 and the second positioning frame 22 is achieved by adjusting the locking member 25 to abut against the positioning shaft 223. In the present embodiment, the locking member 25 is a jack bolt, and a threaded hole adapted to the jack bolt is provided at the end of the positioning cylinder 213.
In another preferred embodiment, the first positioning frame 21 and the second positioning frame 22 are different from the above embodiments in that the number of the positioning cylinders 213 is two, the number of the positioning shafts 223 is also two, and a certain distance is provided between the two positioning cylinders 213, so that after the two positioning shafts 223 and the two positioning cylinders 213 are inserted and connected, a portion for a worker to hold by a hand is formed, and the worker can conveniently hold by the hand.
In one embodiment of the present invention, as shown in fig. 1 to 4, each of the first connecting member 23 and the second connecting member 24 includes a first hoop sheet 231 and a second hoop sheet 232 which are oppositely disposed, and the first connecting member 23 and the second connecting member 24 have the same structure. One end portions of the first strap 231 and the second strap 232 are rotatably mounted to the corresponding first mounting end portion 211 and the second mounting end portion 221 via a rotating shaft 233, so that the first strap 231 and the second strap 232 can be rotatably adjusted about the rotating shaft 233 after being butt-coupled. The other ends of the first strap 231 and the second strap 232 are lockingly connected by a fastener 234 so that the first strap 231 and the second strap 232 can clamp the circuit breaker energy storage spring.
Further, as shown in fig. 5, the first strap 231 is partially formed with a first arc portion adapted to the circuit breaker energy storage spring, a first shaft coupling 2312 having an opening is formed at one end of the first arc portion, a wing 2313 is formed at the other end of the first arc portion, and an open slot 2314 is formed at the middle of the wing 2313. As shown in fig. 6, the second strap 232 has a second arc part partially formed to fit the circuit breaker energy storage spring, two second shaft connection pipes 2322 having openings are formed at one end of the second arc part, and a distance between the two second shaft connection pipes 2322 is adapted to the size of the first shaft connection pipe 2312; the other end of the second arc-shaped portion is formed with two third nipples 2323, and the two third nipples 2323 have a certain distance therebetween, which is adapted to the width of the opening 2314. Referring to fig. 1 and 2, the first shaft connection pipe 2312 and the second shaft connection pipe 2322 are sleeved on the rotation shaft 233, so that the first strap 231 and the second strap 232 can rotate around the rotation shaft 233, and the first strap 231 and the second strap 232 can rotate in opposite directions away from each other to be opened, thereby facilitating the installation or the detachment of the energy storage spring of the circuit breaker. A mounting shaft 236 is inserted into the third adapters 2323, a threaded post 235 is rotatably sleeved on the mounting shaft 236, the threaded post 235 is located between the two third adapters 2323, the fastening member 234 is screwed on the threaded post 235, the threaded post 235 can be snapped into the open slot 2314 of the first strap 231 by rotating the threaded post 235, and the fastening member 234 is screwed so that the fastening member 234 tightly pushes the wing 2313 to move the wing 2313 towards the third adapters 2323, so that the first arc part and the second arc part can clamp the circuit breaker energy storage spring. Preferably, the fastener 234 is a pattern nut.
Still further, the first strap 231 and the second strap 232 are provided with a limiting protrusion corresponding to the energy storage spring of the circuit breaker, as shown in fig. 5 and 6, the first strap 231 is provided with a limiting protrusion 2311, the second strap 232 is provided with a limiting protrusion 2321, and the corresponding part of the energy storage spring of the circuit breaker can be clamped by the limiting protrusion. Preferably, the limiting protrusion is spiral and matched with the energy storage spring of the circuit breaker.
In an embodiment of the present invention, as shown in fig. 7 and 12, the dismounting device further includes a tensioning mechanism 26 having a first holding rod 2611, the tensioning mechanism 26 is provided with a first tensioning rod 262 capable of being plugged and connected with the first positioning frame 21, a movably adjustable second tensioning rod 263, a rotatably adjustable second holding rod 264, and a driving assembly 265 connected between the second holding rod 264 and the second tensioning rod 263; the second tensioning rod 263 can be connected with the second positioning frame 22 in an inserting manner, and the second tensioning rod 263 is arranged in parallel with the first tensioning rod 262; the second holding rod 264 and the first holding rod 2611 are oppositely arranged, and the driving assembly 265 can drive the second tensioning rod 263 to move and adjust in a direction away from the first tensioning rod 262 by rotating and adjusting the second holding rod 264, so that the distance between the first mounting end 211 and the second mounting end 221 can be adjusted.
Set up straining device 26, can realize holding first holding pole and second holding pole and then applying the grip through the hand and let the second hold the pole and rotate towards the direction of first holding pole, and then second tensioning pole 263 moves towards the direction of keeping away from first tensioning pole 262 and makes the interval grow between second tensioning pole 263 and the first tensioning pole 262, just also realized the distance grow between first installation tip 211 and the second installation tip 221, when pressing from both sides tightly there is circuit breaker energy storage spring in first installation tip 211 and second installation tip 221 department, tensile circuit breaker energy storage spring has been realized promptly, easy to assemble.
Further, as shown in fig. 7 to 11, the tensioning mechanism 26 includes a fixed seat 261, the driving assembly 265 includes a ratchet gear 2651 rotatably mounted on the fixed seat 261, a driving pawl 2652 rotatably mounted on the second holding rod 264, a torsion spring 2653 mounted on the mounting position of the driving pawl 2652, a check pawl 2654 rotatably mounted on the second holding rod 264, and a tension spring 2655 connected between the ratchet gear 2651 and the check pawl 2654; the ratchet 2651 is drivingly connected to the second tensioning rod 263; the torsion spring 2653 drives the driving pawl 2652 against the ratchet 2651; a tension spring 2655 pulls the check pawl 2654 against the ratchet gear 2651 to limit the ratchet gear 2651.
When the second holding rod 264 is held and the second holding rod 264 is driven to rotate towards the direction of the first holding rod 2611, the elastic force of the torsion spring 2653 causes the driving pawl 2652 to tightly abut against the teeth of the ratchet 2651, the driving pawl 2652 drives the ratchet 2651 to rotate along with the rotation of the second holding rod 264, the other end of the ratchet 2651 rotates towards the direction away from the first holding rod 2611 and the first tensioning rod 262, and further drives the second tensioning rod 263 to move towards the direction away from the first tensioning rod 262, after the ratchet 2651 rotates to a certain position, the tension spring 2655 pulls the pawl 2654 to rotate and abut against the corresponding teeth of the ratchet 2651 to perform a check function, so as to fix the position of the ratchet 2651, that is, the position of the second tensioning rod 263 is fixed, at this time, the second fixing frame and the first fixing frame are also positioned, and the position of the adjustable locking member 25 is used to lock the first positioning frame and the second positioning frame, the first and second spacers are then removed from the tensioning mechanism 26 to facilitate installation of the circuit breaker charging spring.
Preferably, the fixing base 261 includes two fixing plates disposed oppositely, and a first holding handle is formed at the bottom of each fixing plate, and the two first holding handles together form the first holding rod 2611. The ratchet 2651 is rotatably mounted between the two fixed plates via a shaft. The second holding rod 264 includes two second holding handles 2641 rotatably mounted between the two fixing plates, the two second holding handles 2641 are disposed oppositely and have a certain gap therebetween for mounting the driving pawl 2652, the torsion spring 2653 and the check pawl 2654, and a stop column is disposed on one second holding handle 2641 corresponding to an end of the torsion spring 2653 to limit the torsion spring 2653. The driving pawl 2652 is rotatably mounted between the two second holding handles 2641 through a rotating rod, the torsion spring 2653 is sleeved on the rotating rod, and one end of the torsion spring 2653 is connected to the driving pawl 2652, and the other end of the torsion spring 2653 is abutted to the abutting post on the second holding handle 2641, so that the torsion spring 2653 can apply a twisting force to the driving pawl 2652 to allow the driving pawl 2652 to be engaged with the teeth of the ratchet gear 2651. The non-return pawl 2654 is rotatably mounted between the two second holding handles through another shaft, and an end of the non-return pawl 2654 is adapted to the gear teeth of the ratchet 2651, and can be engaged with the corresponding gear teeth through the action of the tension spring, so as to limit the rotation direction of the ratchet 2651 without limiting the forward rotation of the ratchet 2651 (i.e., the rotation direction driven by the driving pawl 2653).
Furthermore, the fixed seat 261 is provided with a movement adjusting groove 2612, the end of the second tensioning rod 263 is connected with a slider 2631, the slider 2631 is slidably disposed in the movement adjusting groove 2612, and the slider 2631 is connected with the ratchet 2651. The moving direction of the second tensioning rod 263 is limited and guided by the moving adjusting groove 2612, the moving adjusting groove 2612 is transversely arranged, and the arrangement direction of the moving adjusting groove is perpendicular to the second tensioning rod 263. Preferably, the two fixing plates are each provided with a movement adjusting slot 2612, the sliding block 2631 at the end of the second tensioning rod 263 is disposed between the two fixing plates, the sliding block 2631 is i-shaped, and two sides of the sliding block 2631 are provided with outward protruding locking protrusions corresponding to the movement adjusting slots 2612, and the locking protrusions are slidably disposed in the corresponding movement adjusting slots 2612. The ratchet 2651 is provided with a vertical adjustment groove 2656, and the slider 2631 is fitted in the vertical adjustment groove 2656 and connected to the vertical adjustment groove 2656 through a bolt, and the bolt can move and adjust in the vertical adjustment groove 2656, so that the ratchet and the slider are movably connected.
Preferably, the first tensioning rod 262 is fixedly connected to the fixed seat 261 by bolts.
The operation of the present invention will be explained below.
The operating personnel connect and fix the energy storage spring of the circuit breaker with the first connecting piece and the second connecting piece, and the limiting bulges arranged on the first connecting piece and the second connecting piece can clamp the spring; connecting the tensioning mechanism with the first positioning frame and the second positioning frame in an inserting manner; rotate the second and hold the pole, drive the drive pawl and rotate, and then the drive ratchet is rotatory, and ratchet drive slider moves along removing the adjustment tank, and the slider area second tensioning pole removes for horizontal distance increase between second tensioning pole and the first tensioning pole, the ratchet passes through the non return pawl and realizes the non return effect, with circuit breaker energy storage spring tensioning to the required interval of installation, then puts in place locking part regulation, fixes first locating rack and second locating rack. Then pull down straining device, the handheld first locating rack of operating personnel and second locating rack install circuit breaker energy storage spring to the assigned position, and the back is accomplished in the installation, twists the fastener and loosens first connecting piece and second connecting piece, demolishs first locating rack and second locating rack to accomplished circuit breaker energy storage spring's installation.
The disassembly and assembly device of the energy storage spring of the circuit breaker is labor-saving through the arranged tensioning mechanism, the tensioning mechanism is detachable through plug connection, and the device formed by the first positioning frame and the second positioning frame is small in size, convenient to carry and convenient to operate.
The tensioning mechanism is controlled by the ratchet wheel and the pawl, so that the tool is prevented from returning in the tensioning process, and the stability of the device is guaranteed when the distance size is adjusted by the arrangement of the sliding block.
First connecting piece and second connecting piece can angle regulation, can adapt to narrow space in the circuit breaker.
Be equipped with spacing arch on first connecting piece and the second connecting piece, be convenient for block the spring and carry on spacingly to the spring, first connecting piece and second connecting piece pass through the fastener and realize locking fast, convenient operation.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a vacuum circuit breaker maintenance is with energy storage spring dismouting device which characterized in that includes:
a first locator frame having a first mounting end;
the second positioning frame is connected to the first positioning frame in an inserting mode, the second positioning frame is provided with a second installation end portion opposite to the first installation end portion, and the distance between the first installation end portion and the second installation end portion can be adjusted by adjusting the inserting connection position of the second positioning frame and the first positioning frame;
the first connecting piece is rotatably arranged at the first installation end and is used for connecting one end of the energy storage spring of the circuit breaker; and
and the second connecting piece is rotatably adjusted and arranged at the second installation end part and is used for connecting the other end part of the energy storage spring of the circuit breaker.
2. The energy storage spring dismounting device for vacuum circuit breaker maintenance according to claim 1, wherein the first positioning frame and the second positioning frame are further provided with locking members, and the first positioning frame and the second positioning frame are locked by the locking members to limit the adjustment of the plugging connection position of the second positioning frame and the first positioning frame.
3. The apparatus as claimed in claim 2, wherein the first positioning frame comprises a first fixed tube and a positioning cylinder vertically connected to the first fixed tube;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the locking piece is screwed on the part, located outside the positioning barrel, of the positioning shaft, and after the inserting position of the positioning shaft is adjusted, the first positioning frame and the second positioning frame are locked by adjusting the locking piece to abut against the end part of the positioning barrel.
4. The apparatus as claimed in claim 2, wherein the first positioning frame comprises a first fixed tube and a positioning cylinder vertically connected to the first fixed tube;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the locking piece is screwed at the end part of the positioning barrel, and after the inserting position of the positioning shaft is adjusted, the first positioning frame and the second positioning frame are locked by adjusting the locking piece to tightly push against the positioning shaft.
5. The apparatus as claimed in claim 1, wherein the first and second connectors each comprise a first and second opposing strap;
one end parts of the first hoop sheet and the second hoop sheet are rotatably arranged at the corresponding first installation end part and the second installation end part through rotating shafts;
the other ends of the first hoop sheet and the second hoop sheet are connected in a locking mode through a fastener, so that the first hoop sheet and the second hoop sheet can clamp the circuit breaker energy storage spring.
6. The vacuum circuit breaker maintenance energy storage spring assembly and disassembly device of claim 5, wherein the first strap and the second strap are provided with limiting protrusions corresponding to the energy storage spring of the circuit breaker, and the limiting protrusions can block the corresponding parts of the energy storage spring of the circuit breaker.
7. The device as claimed in claim 1, further comprising a tension mechanism having a first holding rod;
the tensioning mechanism is provided with a first tensioning rod which can be in plug-in connection with the first positioning frame, a second tensioning rod which can be movably adjusted, a second holding rod which can be rotatably adjusted and a driving assembly connected between the second holding rod and the second tensioning rod;
the second tensioning rod can be connected with the second positioning frame in an inserting mode, and the second tensioning rod is arranged in parallel to the first tensioning rod;
the second holding rod is arranged opposite to the first holding rod, and the second holding rod can be adjusted through rotation so that the driving assembly drives the second tensioning rod to move and adjust towards the direction far away from the first tensioning rod, and then the distance between the first installation end part and the second installation end part is adjusted.
8. The apparatus as claimed in claim 7, wherein the tension mechanism comprises a fixed seat;
the driving assembly comprises a ratchet wheel which is rotatably arranged on the fixed seat, a driving pawl which is rotatably arranged on the second holding rod, a torsion spring which is arranged at the installation position of the driving pawl, a non-return pawl which is rotatably arranged on the second holding rod and a tension spring which is connected between the ratchet wheel and the non-return pawl;
the ratchet wheel is in driving connection with the second tensioning rod;
the torsion spring drives the driving pawl to abut against the ratchet wheel;
the extension spring pulling non return pawl card is located on the ratchet and then to the ratchet carries out spacingly.
9. The apparatus as claimed in claim 8, wherein the fixing base is provided with a movement adjusting groove;
the end connection of second tensioning rod has the slider, the slider cunning is located move the adjustment tank in, the slider with the ratchet is connected.
10. The apparatus as claimed in claim 1, wherein the first positioning frame comprises a first fixed tube and a positioning cylinder vertically connected to the first fixed tube;
the second positioning frame comprises a second fixed pipe arranged in parallel with the first fixed pipe and a positioning shaft vertically connected with the second fixed pipe;
one end of the first fixed pipe forms the first mounting end, and the corresponding end of the second fixed pipe forms the second mounting end;
the positioning shaft is inserted into the positioning cylinder, and the length of the part of the positioning shaft inserted into the positioning cylinder is adjustable;
the location section of thick bamboo with the location axle all is equipped with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736397.2U CN215617856U (en) | 2021-07-28 | 2021-07-28 | Energy storage spring dismounting device for vacuum circuit breaker maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736397.2U CN215617856U (en) | 2021-07-28 | 2021-07-28 | Energy storage spring dismounting device for vacuum circuit breaker maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215617856U true CN215617856U (en) | 2022-01-25 |
Family
ID=79892981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121736397.2U Active CN215617856U (en) | 2021-07-28 | 2021-07-28 | Energy storage spring dismounting device for vacuum circuit breaker maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215617856U (en) |
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2021
- 2021-07-28 CN CN202121736397.2U patent/CN215617856U/en active Active
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