CN113327815B - Spring operating mechanism - Google Patents
Spring operating mechanism Download PDFInfo
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- CN113327815B CN113327815B CN202110643123.7A CN202110643123A CN113327815B CN 113327815 B CN113327815 B CN 113327815B CN 202110643123 A CN202110643123 A CN 202110643123A CN 113327815 B CN113327815 B CN 113327815B
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- interlocking
- plate
- shaft
- operating
- hole
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000000670 limiting effect Effects 0.000 claims description 59
- 239000011324 bead Substances 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002829 reductive effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000003405 preventing effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanical Control Devices (AREA)
Abstract
The application relates to a spring operating mechanism which comprises a mounting frame, an operating shaft, a driving shaft and an output shaft, wherein the operating shaft, the driving shaft and the output shaft are rotatably arranged on the mounting frame; the operating shaft comprises a coupling shaft and a grounding shaft which are respectively linked with the transmission device; the mounting frame comprises an outer baffle plate arranged at the outer side of the end part of the operation shaft, and a first operation hole and a second operation hole are respectively arranged on the outer baffle plate at positions corresponding to the closing and separating shaft and the grounding shaft; the interlocking device is arranged on the outer baffle and comprises an interlocking plate movably arranged on the outer baffle, two shafts of the closing shaft and the grounding shaft are arranged to respectively conduct closing and opening and grounding distinction, and one of the first operation hole and the second operation hole is blocked by the interlocking plate, so that a worker can only independently operate one of the closing shaft and the grounding shaft, and the possibility of misoperation is reduced.
Description
Technical Field
The application relates to the technical field of circuit breakers, in particular to a spring operating mechanism.
Background
The vacuum circuit breaker is used for protecting and controlling electrical equipment, has the advantages of being capable of being operated frequently, preventing arc extinction from overhauling, and is widely applied to power distribution networks. The vacuum circuit breaker mainly comprises a vacuum arc-extinguishing chamber, an operating mechanism, a bracket and other components, wherein the vacuum arc-extinguishing chamber is used for rapidly extinguishing an electric arc and inhibiting current, so that accidents and accidents are avoided; the operating mechanism is used for controlling the circuit to be opened and closed.
The spring operating mechanism is widely applied at present, and transmits mechanical energy and electric energy to the spring for storage, so that the spring can be released during opening and closing, and the opening and closing speed is improved. The three-station operating mechanism, namely the operating station, comprises a switching-off, a switching-on and a grounding, wherein the switching-off and the grounding are usually operated by two operating shafts of a switching-on and switching-off shaft and a grounding shaft respectively, and the rotating directions are opposite.
With respect to the related art in the above, the inventors consider that: even if the two operation shafts are identified by marks, confusion is easy to occur during operation, and the two operation shafts are adjusted in opposite rotation directions, so that the possibility of misoperation is increased.
Disclosure of Invention
In order to reduce the occurrence of misoperation situations of isolation and grounding, the application provides a spring operating mechanism.
The application provides a spring operating mechanism which adopts the following technical scheme:
The spring operating mechanism comprises a mounting frame, an operating shaft, a driving shaft and an output shaft, wherein the operating shaft, the driving shaft and the output shaft are rotatably arranged on the mounting frame, and a transmission device which is in linkage with the operating shaft and the driving shaft and an operating device which is in linkage with the driving shaft and the output shaft are further arranged on the mounting frame; the operating shaft comprises a coupling shaft and a grounding shaft which are respectively linked with the transmission device; the mounting frame comprises an outer baffle plate arranged at the outer side of the end part of the operation shaft, and a first operation hole and a second operation hole are respectively arranged on the outer baffle plate at positions corresponding to the closing and separating shaft and the grounding shaft; the outer baffle is provided with an interlocking device, the interlocking device comprises an interlocking plate movably arranged on the outer baffle, and the interlocking plate at least shields one of the first operation hole and the second operation hole.
Through adopting above-mentioned technical scheme, set up to close two axles of branch axle and earth connection axle and close the floodgate respectively and distinguish with the earth connection to utilize the interlocking board to block one of first operation hole and second operation hole, make the staff only can only independently operate to one of branch axle and earth connection axle, thereby reduced the possibility of maloperation.
Optionally, the interlocking plate slides along the arrangement direction of the first operation hole and the second operation hole and is arranged on the outer baffle, and the length of the interlocking plate along the sliding direction is greater than the interval between the first operation hole and the second operation hole.
Through adopting above-mentioned technical scheme, the interlocking plate structure of slip setting is simple, the operation of being convenient for.
Optionally, an indicator is disposed at an end of the output shaft, and an observation hole is disposed on the outer baffle at a position corresponding to the indicator.
Through adopting above-mentioned technical scheme, utilize the output shaft to drive the indicator and rotate for operating personnel can see the rotation position of indicator through the observation hole, with the steering and the rotation angle of judgement output shaft, thereby learn the divide-shut brake state.
Optionally, the indication piece is eccentrically provided with a limited angle block; the interlocking plate is provided with two interlocking support legs, and the two interlocking support legs are respectively arranged at two sides of the angle limiting block along the sliding direction of the interlocking plate; when the interlocking plate slides to one side to expose the first operation hole or the second operation hole, one of the interlocking support legs moves to the movement path of the angle limiting block.
Through adopting above-mentioned technical scheme, after the interlocking board moves to blocking one of them operation hole, the interlocking stabilizer blade that corresponds moves to one side of limit angle block for the unable side motion of limit angle block, thereby make the output shaft unable rotate towards this side, play the maloperation effect of preventing.
Optionally, the interlocking device further comprises an interlocking handle arranged on the interlocking plate; the interlocking plate is arranged on the inner side of the outer baffle in a sliding way, and a sliding hole for the interlocking handle to penetrate out and slide is formed in the outer baffle.
By adopting the technical scheme, the interlocking handle is utilized to facilitate the operation control of the interlocking plate from the outer side.
Optionally, the interlocking handle comprises an interlocking shaft and an interlocking sleeve; the interlocking shaft is connected to the interlocking plate, and the interlocking sleeve is rotationally connected to the outer side of the interlocking shaft along the coaxial line; the sliding hole comprises a sliding section and two limiting sections, and when the interlocking shaft moves to any one of the limiting sections, the interlocking plate carries out first operation or second operation Kong Dangzhu; the end part of the interlocking sleeve is provided with a limiting block, the limiting block is slidably connected in the sliding section, and the length of the limiting block in the sliding direction is larger than the width of the limiting block; the width of sliding section is less than spacing section, the interlocking cover can drive the stopper and rotate in spacing section.
Through adopting above-mentioned technical scheme, when the stopper motion to spacing section in, the interlocking board will first operation hole or second operation Kong Dangzhu, rotates the interlocking cover this moment and can drive stopper synchronous rotation to make the stopper card unable entering slip section in spacing section, reach the effect of fixing a position the interlocking board, prevent that the interlocking board from displacing under the exogenic action, and expose first operation hole or the second operation hole that blocks.
Optionally, an accommodating groove is formed in the interlocking shaft along the radial direction, a limiting bead is arranged in the accommodating groove, and a compression spring is arranged between the limiting bead and the bottom of the accommodating groove; at least two positioning holes are formed in the interlocking sleeve along the circumferential direction, and the diameter of each positioning hole is smaller than that of each limiting bead.
Through adopting above-mentioned technical scheme, utilize locating hole and spacing pearl cooperation to fix a position the interlocking cover. The locating hole can be along with the change position when the interlocking sleeve rotates, and when spacing pearl and locating hole were aligned, spacing pearl can pop out the extrusion and be in the opening part of locating hole, and spacing pearl has the effect that hinders pivoted to the interlocking sleeve this moment, avoids the interlocking sleeve to rotate at will and leads to the interlocking board automatic re-setting under the action of gravity.
Optionally, the operating device comprises a first bracket, a volute coil spring, an operating plate and a second bracket which are rotatably connected to the mounting frame; the operating plate is connected with the output shaft, and the second bracket is connected with the driving shaft; the first bracket comprises a first support plate and a pushing and blocking part arranged at the outer edge of the first support plate, the inner end of the scroll spring is connected with the first bracket, and the outer end of the scroll spring is provided with an elastic part; the outer edge of the operating plate is provided with a driving part; the second bracket comprises a second support plate and a stress part arranged at the outer edge of the second support plate; the driving part and the stress part are respectively abutted between the elastic part and the pushing part along the rotation direction; the mounting frame is provided with a holding assembly for positioning the second bracket; and an unlocking piece for releasing the positioning of the holding component is arranged on the operating plate.
Through adopting above-mentioned technical scheme, utilize the output shaft to drive the operation board and rotate, can make the drive portion of operation board outer fringe promote the elastic part or push away fender portion motion to make first support rotate or make the outer end rolling of whirlpool spring: when the first bracket rotates, the inner end of the volute spiral spring is driven to be rolled, the second bracket is kept under the action of the holding component, at the moment, the outer end of the volute spiral spring is extruded on the stress part and stores force along with the rotation of the first bracket until the operating plate drives the unlocking piece to unlock the holding component, and the second bracket is released and drives the driving shaft to rotate rapidly; when the outer end of the volute spiral spring is rolled, the inner end of the volute spiral spring also applies force to the first bracket, so that the pushing and blocking part is propped against the other side of the stressed part and stores force until the operating plate drives the unlocking piece to unlock the holding assembly, and the second bracket is released and drives the driving shaft to rotate reversely rapidly. Thereby realizing separation and separation of the brake and the grounding brake.
Optionally, the retaining assembly comprises two retaining plates arranged in mirror image about the drive shaft, a plurality of retaining seats arranged at intervals around the circumference of the drive shaft; one end of the retaining plate is hinged to the eccentric position on the second support plate, and a retaining pin is arranged in the middle of the retaining plate; a limiting hole for the penetration and movement of the retaining pin is formed in the second support plate; the retaining seat is arranged on the mounting frame and is positioned on the rotating plane of the retaining plate; the end part of any retaining plate can be abutted against the retaining seat surface towards the other retaining plate, and at the moment, the end part of the retaining plate is tangent to the retaining seat surface, and the tangential direction is the same as the rotation direction of the end part of the retaining plate; the operating plate rotates to enable the unlocking piece to be in contact with one side, opposite to the two retaining plates, of the unlocking piece.
By adopting the technical scheme, the triangular stable state is formed among the retaining plate, the retaining seat and the driving shaft, when the operation station needs to be switched, the operation plate rotates in advance to drive the unlocking piece to push the retaining plate, so that the retaining plate rotates around the hinge shaft to be separated from the corresponding retaining seat, the state formed by the retaining plate and the retaining seat is damaged, and the second bracket rotates under the drive of the scroll spring to realize the rapid rotation of the driving shaft.
Optionally, an elastic member for spreading the two holding plates back is disposed between the two holding plates.
By adopting the technical scheme, the two retaining plates are propped open by the elastic piece, so that the position of the retaining plates is prevented from being changed due to the influence of gravity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the two shafts of the closing shaft and the grounding shaft are arranged to respectively conduct closing and opening and grounding distinction, and one of the first operation hole and the second operation hole is blocked by the interlocking plate, so that a worker can only independently operate one of the closing shaft and the grounding shaft, and the possibility of misoperation is reduced;
2. after the interlocking plate moves to block one of the operation holes, the corresponding interlocking support leg moves to one side of the angle limiting block, so that the angle limiting block cannot move towards the side, the output shaft cannot rotate towards the side, and the misoperation preventing effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic view of an exploded construction of the interlock device of the present application;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the interlock handle of the present application;
FIG. 5 is a schematic exploded view of the transmission of the present application;
FIG. 6 is a schematic view of the overall structure of the operating device of the present application;
FIG. 7 is a schematic view of an exploded construction of the actuator of the present application;
fig. 8 is a schematic view of the structure of the back view of the operating device of the present application.
Reference numerals illustrate: 1. a mounting frame; 11. an outer baffle; 111. a first operation hole; 112. a second operation hole; 113. a guide member; 114. a slide hole; 1141. a sliding section; 1142. a limiting section; 115. an observation hole; 12. a partition plate; 13. a bottom plate; 14. an operating shaft; 141. a split shaft; 142. a grounding shaft; 15. an output shaft; 16. a drive shaft; 2. an interlock device; 21. a interlock plate; 211. interlocking support legs; 22. an interlock handle; 221. an interlock shaft; 2211. a receiving groove; 2212. limiting beads; 2213. a compression spring; 222. interlocking sleeves; 2221. positioning holes; 2222. a limiting block; 23. an indicator; 231. angle limiting blocks; 3. a transmission device; 31. a driving wheel; 32. a first driving wheel; 33. a second driving wheel; 34. reversing driving wheels; 35. a driving motor; 36. a reduction gear set; 361. a pinion gear; 362. a large gear; 4. an operating device; 41. a first bracket; 411. a first support plate; 412. a pushing part; 42. a volute coil spring; 421. an elastic part; 43. an operation plate; 431. a driving section; 432. an unlocking member; 44. a second bracket; 441. a second support plate; 4411. a limiting hole; 442. a force receiving part; 45. a retention assembly; 451. a holding plate; 4511. an elastic member; 4512. a retaining pin; 452. and a holding seat.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses a spring operating mechanism, which comprises a mounting frame 1, an operating shaft 14, a driving shaft 16 and an output shaft 15 which are rotatably connected to the mounting frame 1, wherein a transmission device 3 which is linked with the operating shaft 14 and the driving shaft 16 and an operating device 4 which is linked with the driving shaft 16 and the output shaft 15 are arranged on the mounting frame 1, and the spring operating mechanism is shown in figures 1 and 2. The mounting bracket 1 includes bottom plate 13, outer baffle 11 and a plurality of baffle 12 that parallel and interval set up, connects fixedly through a plurality of horizontal poles between bottom plate 13, baffle 12 and the outer baffle 11, and wherein bottom plate 13 is used for being connected with the circuit breaker, and each baffle 12 interval sets up each part that is used for installing transmission 3 and operating means 4 between outer baffle 11 and bottom plate 13, and outer baffle 11 then sets up in the outside and plays isolated guard action.
Referring to fig. 2, the operating shaft 14 includes a closing shaft 141 and a grounding shaft 142 arranged up and down, the closing shaft 141 and the grounding shaft 142 are respectively and individually coupled with the transmission device 3, the closing and opening are respectively separated from the grounding by two shafts, the end of the closing and opening is hexagonal, and the grounding shaft 142 is square, so that misoperation caused by operating with the same handle is prevented. The outer baffle 11 is provided with a first operation hole 111 and a second operation hole 112 at positions corresponding to the coupling and decoupling shaft 141 and the grounding shaft 142, respectively, and a handle can pass through the first operation hole 111 and the second operation hole 112 to operate the two shafts, respectively.
Referring to fig. 2 and 3, the outer barrier 11 is provided with an interlock 2, and the interlock 2 includes an interlock plate 21 and an interlock handle 22. Wherein, the interlocking plate 21 is slidably connected to the inner side of the outer baffle 11 along the arrangement direction of the first operation hole 111 and the second operation hole 112, and the length of the interlocking plate 21 is enough to cover the first operation hole 111 and the second operation hole 112 at the same time. The interlocking handle 22 is fixedly connected to the outer end surface of the interlocking plate 21, and the outer baffle 11 is provided with a sliding hole 114 through which the interlocking handle 22 penetrates and slides, the sliding hole 114 extends along the sliding direction of the interlocking plate 21, when the interlocking handle 22 slides to one end of the sliding hole 114, the interlocking plate 21 moves along with the side direction, so that the first operation hole 111 or the second operation hole 112 deviating from the moving direction of the interlocking plate 21 is opened, otherwise, the other operation hole is opened, so that a worker can only independently operate one of the split shaft 141 and the grounding shaft 142, and the possibility of misoperation is reduced.
Referring to fig. 2 and 3, the sliding hole 114 includes a sliding section 1141 and three limiting sections 1142, wherein two limiting sections 1142 are located at two ends of the sliding section 1141, the other limiting section 1142 is located at a middle position of the sliding section 1141, the sliding section 1141 is in a circular shape with a diameter larger than a width of the limiting section 1142, when the interlocking shaft 221 moves to the upper limiting section 1142, the interlocking plate 21 blocks the first operation hole 111, and otherwise moves to the bottom limiting section 1142 to block the second operation hole 112. The interlocking handle 22 comprises an interlocking shaft 221 and an interlocking sleeve 222, the interlocking shaft 221 is fixedly connected to the interlocking plate 21, and the interlocking sleeve 222 is rotationally connected to the outer side of the interlocking shaft 221 along the coaxial line; the end center of the interlocking sleeve 222 is integrally formed with a strip-shaped limiting block 2222, the limiting block 2222 is slidably connected in the sliding section 1141, the length of the limiting block 2222 in the sliding direction is greater than the width of the limiting block 2222, and meanwhile, the length of the limiting block 2222 is greater than the width of the limiting section 1142. The interlocking sleeve 222 can drive the limiting block 2222 to rotate in the limiting section 1142, when the limiting block 2222 moves into the top or bottom limiting section 1142, the interlocking plate 21 blocks the first operation hole 111 or the second operation hole 112, and at the moment, the rotating interlocking sleeve 222 can drive the limiting block 2222 to synchronously rotate, so that the limiting block 2222 can not enter the sliding section 1141 when clamped in the limiting section 1142, the effect of positioning the interlocking plate 21 is achieved, the interlocking plate 21 is prevented from being displaced under the action of external force, and the blocked first operation hole 111 or second operation hole 112 is exposed.
Referring to fig. 2,3 and 4, an accommodating groove 2211 is formed in the interlocking shaft 221 along the radial direction, a limiting bead 2212 is movably placed in the accommodating groove 2211, and a compression spring 2213 is arranged between the limiting bead 2212 and the bottom of the accommodating groove 2211; four positioning holes 2221 are uniformly formed in the interlocking sleeve 222 along the circumferential direction, the four positioning holes 2221 can be aligned with the openings of the receiving groove 2211 in sequence by rotating the interlocking sleeve 222, and the diameter of the positioning holes 2221 is smaller than that of the limiting beads 2212. When the limiting bead 2212 aligns with any positioning hole 2221, the limiting bead 2212 can be ejected and extruded at the opening of the positioning hole 2221, and at this time, the limiting bead 2212 has an effect of preventing rotation of the interlocking sleeve 222, so that the interlocking sleeve 222 is prevented from rotating randomly to cause automatic resetting of the interlocking plate 21 under the action of gravity.
Referring to fig. 2 and 5, an indicator 23 is sleeved and fixed on the end of the output shaft 15, and an observation hole 115 is formed in the outer baffle 11 at a position corresponding to the indicator 23, so that when the output shaft 15 drives the indicator 23 to rotate, an operator can see the rotation position of the indicator 23 through the observation hole 115 to judge the steering and the rotation angle of the output shaft 15, and thus the opening and closing state is known.
Referring to fig. 2, a limited angle block 231 is integrally formed at an eccentric position of an inner side end surface of the indicating piece 23, and an upper and lower two interlocking legs 211 are integrally formed at a side of the interlocking plate 21 facing the indicating piece 23, the two interlocking legs 211 respectively extend to upper and lower sides of the limited angle block 231 and can move up and down along with the interlocking plate 21. When the interlock plate 21 slides downward to expose the first operation hole 111, the interlock leg 211 at the upper end moves to the movement path of the corner limiting block 231, so that the corner limiting block 231 cannot move to the side, and the output shaft 15 cannot rotate to the side, thereby preventing misoperation.
Referring to fig. 2 and 4, the transmission device 3 includes a driving wheel 31 fixed to the output shaft 15, a first driving wheel 32 fixed to the coupling/decoupling shaft 141, and a second driving wheel 33 fixed to the grounding shaft 142. The second driving wheel 33 is meshed with the driving wheel 31, and a reversing driving wheel 34 is meshed between the first driving wheel 32 and the second driving wheel 33, so that the two operation shafts 14 can reversely rotate. The transmission device 3 further comprises a driving motor 35 and a reduction gear set 36, the reduction gear set 36 comprises a plurality of pinion gears 361 and large gears 362 which are linked to realize reduction ratio adjustment, and a motor shaft of the driving motor 35 is linked with the first transmission wheel 32 through the reduction gear set 36 to realize an electric control function.
Referring to fig. 6 and 7, the operating device 4 includes a first bracket 41, a coil spring 42, an operating plate 43 and a second bracket 44 which are rotatably connected to the mounting frame 1 in this order from the outer baffle 11 toward the bottom plate 13; the operating plate 43 is coaxially connected with the output shaft 15, and the second bracket 44 is coaxially connected with the drive shaft 16; the first bracket 41 comprises a first support plate 411 and a pushing and blocking part 412 formed at the outer edge of the first support plate 411 by bending, wherein the inner end of the vortex spring 42 is connected with the first bracket 41, and the outer end of the vortex spring is bent and formed with a hook-shaped elastic part 421; the outer edge of the operation plate 43 is formed with a driving portion 431 by bending; the second bracket 44 includes a second support plate 441 and a stress portion 442 formed at an outer edge of the second support plate 441 by bending; the driving portion 431 and the force receiving portion 442 are respectively abutted between the elastic portion 421 and the pushing portion 412 along the rotation direction; the mounting frame 1 is provided with a holding assembly 45 for positioning the second bracket 44; the operating plate 43 is provided with an unlocking piece 432 for releasing the positioning of the holding assembly 45.
The output shaft 15 drives the operation plate 43 to rotate, so that the driving portion 431 at the outer edge of the operation plate 43 pushes the elastic portion 421 or the pushing and blocking portion 412 to move, thereby rotating the first bracket 41 or winding the outer end of the volute spiral spring 42: when the first bracket 41 rotates, the inner end of the volute spring 42 is driven to wind up, the second bracket 44 is kept motionless by the holding component 45, at this time, the outer end of the volute spring 42 is extruded on the stress portion 442 and stores force along with the rotation of the first bracket 41 until the operating plate 43 drives the unlocking piece 432 to unlock the holding component 45, and the second bracket 44 is released and drives the driving shaft 16 to rotate rapidly; when the outer end of the spiral spring 42 is wound, the inner end of the spiral spring 42 applies force to the first bracket 41, so that the pushing block part 412 is propped against the other side of the force receiving part 442 and stores force until the operating plate 43 drives the unlocking piece 432 to unlock the holding assembly 45, and the second bracket 44 is released and drives the driving shaft 16 to rotate in the reverse direction, thereby realizing separation and separation of the brake and the ground connection.
Referring to fig. 7 and 8, the retaining assembly 45 includes two retaining plates 451 disposed in mirror image about the drive shaft 16, four retaining seats 452 disposed at circumferentially spaced intervals about the drive shaft 16. One end of the holding plate 451 is hinged to an eccentric position on the second supporting plate 441, a holding pin 4512 is fixedly connected to the middle portion of the holding plate 451, and a limiting hole 4411 for the holding pin 4512 to penetrate and move is formed in the second supporting plate 441. The retaining seats 452 are annular, the four retaining seats 452 are all connected to the bottom plate 13 in a rotating way along the axial lead, and the four retaining seats 452 are all positioned on the rotating plane of the retaining plate 451; the end of any one of the holding plates 451 can be abutted against the surface of the holding seat 452 in the direction of the other holding plate 451, and at this time, the end of the holding plate 451 is tangent to the surface of the holding seat 452 in the same direction as the rotation direction of the end of the holding plate 451; rotation of the operating plate 43 can bring the unlocking piece 432 into contact with the opposite side of the two holding plates 451.
Referring to fig. 7 and 8, when the operation station needs to be switched, the operation plate 43 rotates in advance to drive the unlocking member 432 to push the holding plate 451, so that the holding plate 451 rotates around the hinge shaft to be separated from the corresponding holding seat 452, the state of the holding plate 451 and the holding seat 452 is broken, and the second bracket 44 rotates under the driving of the scroll spring 42 to realize the rapid rotation of the driving shaft 16. An elastic member 4511 for spreading the two holding plates 451 toward the back is provided between the two holding plates 451. The two holding plates 451 are spread by the elastic member 4511, and the holding plates 451 are prevented from being changed in position by the influence of gravity.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The spring operating mechanism comprises a mounting frame (1), an operating shaft (14), a driving shaft (16) and an output shaft (15) which are rotatably arranged on the mounting frame (1), wherein the mounting frame (1) is also provided with a transmission device (3) which is linked with the operating shaft (14) and the driving shaft (16), and an operating device (4) which is linked with the driving shaft (16) and the output shaft (15); the method is characterized in that: the operating shaft (14) comprises a coupling and uncoupling shaft (141) and a grounding shaft (142) which are respectively linked with the transmission device (3); the mounting frame (1) comprises an outer baffle plate (11) arranged at the outer side of the end part of the operating shaft (14), and a first operating hole (111) and a second operating hole (112) are respectively arranged at positions, corresponding to the combining and separating shaft (141) and the grounding shaft (142), on the outer baffle plate (11); an interlocking device (2) is arranged on the outer baffle (11), the interlocking device (2) comprises an interlocking plate (21) movably arranged on the outer baffle (11), and the interlocking plate (21) at least shields one of the first operation hole (111) and the second operation hole (112); the interlocking plate (21) is slidably arranged on the outer baffle plate (11) along the arrangement direction of the first operation hole (111) and the second operation hole (112), and the length of the interlocking plate (21) along the sliding direction is larger than the interval between the first operation hole (111) and the second operation hole (112); an indicator (23) is arranged at the end part of the output shaft (15), and an observation hole (115) is arranged on the outer baffle (11) at a position corresponding to the indicator (23); the interlocking device (2) further comprises an interlocking handle (22) arranged on the interlocking plate (21); the interlocking plate (21) is arranged on the inner side of the outer baffle plate (11) in a sliding way, and a sliding hole (114) for the interlocking handle (22) to penetrate out and slide is formed in the outer baffle plate (11); the interlocking handle (22) comprises an interlocking shaft (221) and an interlocking sleeve (222); the interlocking shaft (221) is connected to the interlocking plate (21), and the interlocking sleeve (222) is rotatably connected to the outer side of the interlocking shaft (221) along the coaxial line; the sliding hole (114) comprises a sliding section (1141) and two limit sections (1142), and when the interlocking shaft (221) moves to any limit section (1142), the interlocking plate (21) blocks the first operation hole (111) or the second operation hole (112); a limiting block (2222) is arranged at the end part of the interlocking sleeve (222), the limiting block (2222) is connected in the sliding section (1141) in a sliding mode, and the length of the limiting block (2222) in the sliding direction is larger than the width; the width of the sliding section (1141) is smaller than that of the limiting section (1142), and the interlocking sleeve (222) can drive the limiting block (2222) to rotate in the limiting section (1142).
2. The spring operated mechanism of claim 1, wherein: a limited angle block (231) is eccentrically arranged on the indicator (23); the interlocking plate (21) is provided with two interlocking support legs (211), and the two interlocking support legs (211) are respectively arranged at two sides of the angle limiting block (231) along the sliding direction of the interlocking plate (21); when the interlocking plate (21) slides to one side to expose the first operation hole (111) or the second operation hole (112), one of the interlocking legs (211) moves onto the movement path of the angle limiting block (231).
3. The spring operated mechanism of claim 1, wherein: an accommodating groove (2211) is formed in the interlocking shaft (221) in the radial direction, a limiting bead (2212) is arranged in the accommodating groove (2211), and a compression spring (2213) is arranged between the limiting bead (2212) and the bottom of the accommodating groove (2211); at least two positioning holes (2221) are formed in the interlocking sleeve (222) along the circumferential direction, and the diameter of each positioning hole (2221) is smaller than that of each limiting bead (2212).
4. The spring operated mechanism of claim 1, wherein: the operating device (4) comprises a first bracket (41), a scroll spring (42), an operating plate (43) and a second bracket (44) which are rotatably connected to the mounting frame (1); the operating plate (43) is connected with the output shaft (15), and the second bracket (44) is connected with the driving shaft (16); the first bracket (41) comprises a first support plate (411) and a pushing and blocking part (412) arranged at the outer edge of the first support plate (411), wherein the inner end of the scroll spring (42) is connected with the first bracket (41), and the outer end of the scroll spring is provided with an elastic part (421); the outer edge of the operation plate (43) is provided with a driving part (431); the second bracket (44) comprises a second support plate (441) and a force receiving part (442) arranged at the outer edge of the second support plate (441); the driving part (431) and the stress part (442) are respectively abutted between the elastic part (421) and the pushing part (412) along the rotation direction; a holding assembly (45) for positioning the second bracket (44) is arranged on the mounting frame (1); an unlocking piece (432) for releasing the positioning of the holding assembly (45) is arranged on the operating plate (43).
5. The spring operated mechanism of claim 4, wherein: the retaining assembly (45) comprises two retaining plates (451) arranged in mirror image with respect to the drive shaft (16), several retaining seats (452) arranged at intervals around the circumference of the drive shaft (16); one end of the retaining plate (451) is hinged to an eccentric position on the second support plate (441), and a retaining pin (4512) is arranged in the middle of the retaining plate (451); a limiting hole (4411) for the penetration and movement of a retaining pin (4512) is formed in the second support plate (441); the retaining seat (452) is arranged on the mounting frame (1), and the retaining seat (452) is positioned on the rotating plane of the retaining plate (451); the end of any holding plate (451) can be abutted against the surface of the holding seat (452) towards the direction of the other holding plate (451), and at the moment, the end of the holding plate (451) is tangential to the surface of the holding seat (452), and the tangential direction is the same as the rotation direction of the end of the holding plate (451); the operating plate (43) rotates to enable the unlocking piece (432) to be in contact with the opposite side of the two retaining plates (451).
6. The spring operated mechanism of claim 5, wherein: an elastic element (4511) is arranged between the two holding plates (451) for spreading the two holding plates (451) away from each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256924 | 2021-03-09 | ||
| CN2021102569248 | 2021-03-09 |
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| CN113327815A CN113327815A (en) | 2021-08-31 |
| CN113327815B true CN113327815B (en) | 2024-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110643123.7A Active CN113327815B (en) | 2021-03-09 | 2021-06-09 | Spring operating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215770987U (en) * | 2021-03-09 | 2022-02-08 | 兴机电器有限公司 | Spring operating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103337385B (en) * | 2013-07-01 | 2015-11-18 | 温州兴机电器有限公司 | Electric spring operation machine |
| CN204516632U (en) * | 2015-04-29 | 2015-07-29 | 深圳市一鎏科技有限公司 | A kind of novel high-voltage circuit-breaker cabinet |
| CN212434536U (en) * | 2020-12-21 | 2021-01-29 | 江西智维电力科技有限公司 | An upper interlock plate assembly for a vacuum circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215770987U (en) * | 2021-03-09 | 2022-02-08 | 兴机电器有限公司 | Spring operating mechanism |
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Country or region after: China Address after: 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Applicant after: Xingji Electric Appliance Group Co.,Ltd. Address before: 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Applicant before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |
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