CN210925919U - Energy storage spring driving mechanism of circuit breaker - Google Patents
Energy storage spring driving mechanism of circuit breaker Download PDFInfo
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- CN210925919U CN210925919U CN201922110984.XU CN201922110984U CN210925919U CN 210925919 U CN210925919 U CN 210925919U CN 201922110984 U CN201922110984 U CN 201922110984U CN 210925919 U CN210925919 U CN 210925919U
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Abstract
The utility model discloses an energy storage spring driving mechanism of a circuit breaker, which comprises an installation panel, a closing spring and a separating spring, wherein the middle part of the installation panel is sequentially provided with a separating spring rotating shaft and a closing spring rotating shaft from top to bottom in a rotating way, and a power output shaft and an input shaft of an energy storage motor are in power connection through a reduction box; a closing connecting lever is fixed at the end of a closing spring rotating shaft, a transmission cam and a ratchet wheel are fixed on the closing spring rotating shaft, a closing spring is connected between the end of a closing spring supporting column and the end of the closing connecting lever, a V-shaped oscillating bar is fixed on an oscillating bar rotating shaft, an opening driving connecting lever frame comprises a driving roller frame, an opening spring driving arm and a limiting oscillating arm, and a limiting rotating shaft and a control rotating shaft rod are rotatably installed at the top of an installation panel. The utility model discloses a closing spring release energy converts the separating brake spring and stores simultaneous drive separating brake spring pivot forward and rotates into, drives separating brake spring pivot antiport when separating brake spring release energy, through separating brake spring pivot drive circuit breaker break-make work.
Description
Technical Field
The utility model relates to a circuit breaker combined floodgate control energy storage part especially relates to an energy storage spring actuating mechanism of circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying and breaking current under normal circuit conditions, and can automatically cut off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur. The circuit breaker is characterized in that a control assembly for controlling the circuit breaker to be closed is often arranged outside the circuit breaker, switching operation for driving the circuit breaker to be closed and opened is achieved, along with improvement of performance requirements of the circuit breaker and protection (especially high-precision electric equipment) of electric appliances at the rear end of the circuit breaker, requirements of people on the closing performance and sensitivity of the circuit breaker are higher and higher, how to achieve closing control and energy storage of the circuit breaker in the control assembly is achieved, energy required for opening and closing is provided for opening and closing protection of the circuit breaker, and the technical problem that the circuit breaker closing control assembly needs to be solved all the time urgently is solved.
Disclosure of Invention
An weak point to prior art exists, the utility model aims to provide an energy storage spring actuating mechanism of circuit breaker converts the separating brake spring through combined floodgate spring release energy and stores and drive separating brake spring pivot forward rotation simultaneously, drives separating brake spring pivot antiport when separating brake spring release energy, through separating brake spring pivot drive circuit breaker break-make work, and control sensitivity is higher.
The purpose of the utility model is realized through the following technical scheme:
an energy storage spring driving mechanism of a circuit breaker comprises an installation panel, a closing spring and a breaking spring, wherein a closing spring supporting column is fixed at the upper part of the installation panel, a breaking spring supporting column is fixed at the lower part of the installation panel, a breaking spring rotating shaft and a closing spring rotating shaft are sequentially and rotatably installed in the middle of the installation panel from top to bottom, an energy storage motor is fixed at the bottom of the installation panel, an input shaft is rotatably installed at the lower part of the installation panel, and a power output shaft of the energy storage motor is in power connection with the input shaft through a reduction gearbox; a transmission pinion is fixed on the input shaft, a transmission large gear meshed with the transmission pinion is rotatably arranged on the closing spring rotating shaft, a closing connecting lever is fixed at the end of the closing spring rotating shaft, a transmission cam and a ratchet wheel are fixed on the closing spring rotating shaft, the closing spring is connected between the end of a closing spring supporting column and the end of the closing connecting lever, the transmission large gear is positioned between the transmission cam and the ratchet wheel, a clutch pawl is rotatably arranged on the transmission large gear through a pawl rotating shaft, and a pawl groove matched with the clutch pawl for locking is formed in the ratchet wheel; the transmission cam is rotatably provided with a cam roller, the installation panel is rotatably provided with a swing rod rotating shaft, a V-shaped swing rod is fixed on the swing rod rotating shaft, the V-shaped swing rod consists of a jacking plate and a limiting plate, a lower limiting shaft is fixed on the installation panel, the installation panel is rotatably provided with a control rod, the limiting plate is clamped between the lower limiting shaft and the control rod, and the control rod is externally provided with a notch A corresponding to the limiting plate; the brake-separating driving crank arm frame is fixed on the brake-separating spring rotating shaft and comprises a driving roller frame, a brake-separating spring driving arm and a limiting swing arm, the driving roller frame, the brake-separating spring driving arm and the limiting swing arm are sequentially distributed outside the brake-separating spring rotating shaft, the brake-separating spring is connected between the end part of the brake-separating spring driving arm and the end part of a brake-separating spring supporting column, the end part of the driving roller frame is rotatably provided with a driving roller, and the contour surface of the transmission cam is correspondingly matched with the driving roller; the installation panel top is rotated and is installed spacing pivot and control pivot pole, be fixed with spacing pendulum frame in the spacing pivot, the outside cover of spacing pivot is equipped with the torsional spring, spacing pendulum frame comprises spacing claw installation arm and spacing convex arm, spacing claw installation arm is installed spacing top through the pivot of taking the torsional spring and is held the claw, spacing top is held the claw tip and is corresponded with spacing swing arm tip, control pivot pole lateral part is opened has and is installed spacing claw installation arm tip complex notch B, the outside cover of control pivot pole is equipped with the torsional spring.
In order to realize better the utility model discloses, the separating brake spring pivot is connected with insulating main shaft through synchronous axle sleeve, install the transmission support on the insulating main shaft, transmission support connect through link mechanism and install contact spring assembly.
Preferably, a limiting annular groove matched with the transmission gear wheel is formed in the closing spring rotating shaft, and the inner side of the transmission gear wheel is rotatably installed in the limiting annular groove of the closing spring rotating shaft in a matched mode.
Preferably, a limiting shaft matched with the end part of the limiting convex arm is fixed at the top of the mounting panel.
Preferably, the end part of the limiting swing arm is rotatably provided with a rotating roller, and the limiting jacking claw corresponds to the rotating roller of the limiting swing arm.
Preferably, a pawl torsion spring is fixed on one side, facing the ratchet wheel, of the transmission large gear, the pawl torsion spring is correspondingly located on the circumferential edge of the ratchet wheel, the pawl torsion spring is provided with a compression spring rod, and the compression spring rod of the pawl torsion spring corresponds to the outer side surface of the clutch pawl.
Preferably, one end of the clutch pawl is an opening end, the other end of the clutch pawl is a clutch end, and the opening end of the clutch pawl is connected with the pawl rotating shaft.
Preferably, a flat key B is assembled between the transmission cam and the closing spring rotating shaft, and a flat key a is assembled between the ratchet wheel and the closing spring rotating shaft.
Preferably, one end of the closing spring is hinged to the end of the closing connecting lever, and the other end of the closing spring is connected with the end of a closing spring supporting column through a screw A.
Preferably, one end of the opening spring is hinged to the end of an opening spring driving arm, and the other end of the opening spring is connected with the end of an opening spring supporting column through a screw B.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model discloses a closing spring release energy converts the separating brake spring and stores simultaneous drive separating brake spring pivot forward and rotates into, drives separating brake spring pivot antiport when separating brake spring release energy, through separating brake spring pivot drive circuit breaker break-make work, and control sensitivity is higher.
(2) The utility model discloses a combined floodgate spring release energy and drive combined floodgate spring pivot, the drive cam rotates, because the outer profile face of drive cam contacts with the drive gyro wheel that the arm frame was turned in the separating brake drive, along with the minimum motion of drive cam contact to the peak of contact, the drive cam is turned the arm frame and is rotated wholly with the drive separating brake drive, the separating brake spring actuating arm that the arm frame was turned in the separating brake drive will progressively stretch the separating brake spring, just so can give the separating brake spring with the spring of combined floodgate spring except that energy loss is whole conversions.
(3) The utility model discloses a separation and reunion motion in separation and reunion pawl groove on the separation and reunion pawl on the drive gear and the ratchet to whether realize drive gear linkage cam pivot, drive cam, ratchet rotation, can help energy storage power unit to realize separation and reunion formula energy storage purpose, how to remove or cut off the mechanical energy that energy storage power unit provided when the energy storage finishes, have advantages such as novel structure, principle are ingenious, stable performance.
Drawings
Fig. 1 is a schematic structural view of a closing spring energy storage part of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of an arrangement structure of a driving gearwheel, a ratchet wheel and a driving cam on a closing spring rotating shaft;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
fig. 5 is a partial structural schematic diagram of a closing control lever;
fig. 6 is a schematic structural view of the combined closing spring energy storage part and opening spring energy storage part of the present invention;
FIG. 7 is a schematic view of the bottom contour of the cam contacting the drive roller from another perspective of FIG. 6;
FIG. 8 is a schematic view of the cam top profile of the drive cam rotated into contact with the drive roller;
fig. 9 is a schematic structural view of the energy storage part of the opening spring of the present invention;
FIG. 10 is a schematic structural view of a limit swing frame;
fig. 11 is a schematic view of the combined structure of the insulating driving shaft, the synchronous shaft sleeve, the driving crank arm frame and the opening spring rotating shaft of the present invention;
fig. 12 is a partial schematic view of a transmission structure of a circuit breaker to which the present invention is applied.
Wherein, the names corresponding to the reference numbers in the drawings are:
1-installation panel, 2-energy storage motor, 3-input shaft, 31-transmission pinion, 4-closing spring rotating shaft, 41-ratchet wheel, 42-flat key A, 43-flat key B, 5-transmission bull gear, 51-clutch pawl, 52-pawl torsion spring, 6-transmission cam, 61-cam roller, 62-cam bottom profile, 63-cam top profile, 7-closing crank arm, 8-closing spring, 9-swing rod rotating shaft, 10-V swing rod, 101-top holding plate, 102-limiting plate, 11-spring supporting column, 12-closing control rod, 121-opening groove A, 13-opening spring rotating shaft, 14-opening driving crank arm, 141-driving roller frame, 1411-driving roller, 142-opening spring driving arm, 143-limiting swing arm, 15-opening spring, 16-opening spring supporting column, 17-limiting rotating shaft, 18-limiting swing frame, 181-a limit convex arm, 182-a limit claw mounting arm, 19-a limit jacking claw, 20-a control rotating shaft rod, 21-a limit shaft, 22-a synchronous shaft sleeve, 23-an insulating main shaft, 24-a transmission bracket, 25-a contact spring device and 26-a lower limit shaft.
Detailed Description
The present invention will be described in further detail with reference to examples.
As shown in fig. 1-12, an energy storage spring driving mechanism of a circuit breaker comprises an installation panel 1, a closing spring 8 and an opening spring 15, a closing spring support column 11 is fixed on the upper portion of the installation panel 1, an opening spring support column 16 is fixed on the lower portion of the installation panel 1, an opening spring rotating shaft 13 and a closing spring rotating shaft 4 are sequentially installed in the middle of the installation panel 1 from top to bottom in a rotating mode, an energy storage motor 2 is fixed at the bottom of the installation panel 1, an input shaft 3 is installed on the lower portion of the installation panel 1 in a rotating mode, and a power output shaft of the energy storage motor 2 is in power connection with the input shaft 3. A transmission pinion 31 is fixed on the input shaft 3, a transmission bull gear 5 meshed with the transmission pinion 31 is rotatably arranged on the closing spring rotating shaft 4, a closing crank arm 7 is fixed at the end of the closing spring rotating shaft 4, a transmission cam 6 and a ratchet wheel 41 are fixed on the closing spring rotating shaft 4, a closing spring 8 is connected between the end of a closing spring supporting column 11 and the end of the closing crank arm 7, the transmission bull gear 5 is located between the transmission cam 6 and the ratchet wheel 41, a clutch pawl 51 is rotatably arranged on the transmission bull gear 5 through a pawl rotating shaft, and a pawl groove matched and locked with the clutch pawl 51 is formed in the ratchet wheel 41. The cam roller 61 is rotatably installed on the transmission cam 6, the swing rod rotating shaft 9 is rotatably installed on the installation panel 1, the V-shaped swing rod 10 is fixed on the swing rod rotating shaft 9, the V-shaped swing rod 10 is composed of a supporting plate 101 and a limiting plate 102, the lower limiting shaft 26 is fixed on the installation panel 1, the control rod 12 is rotatably installed on the installation panel 1, the limiting plate 102 is clamped between the lower limiting shaft 26 and the control rod 12, and the control rod 12 is externally provided with a notch A121 corresponding to the limiting plate 102.
As shown in fig. 1 to 12, a brake-separating driving crank arm support 14 is fixed on the brake-separating spring rotating shaft 13, the brake-separating driving crank arm support 14 includes a driving roller frame 141, a brake-separating spring driving arm 142 and a limiting swing arm 143, the driving roller frame 141, the brake-separating spring driving arm 142 and the limiting swing arm 143 are sequentially distributed outside the brake-separating spring rotating shaft 13, the brake-separating spring 15 is connected between the end of the brake-separating spring driving arm 142 and the end of the brake-separating spring supporting column 16, a driving roller 1411 is rotatably installed at the end of the driving roller frame 141, and the profile surface of the transmission cam 6 is correspondingly matched with the driving roller 1411. The top of the mounting panel 1 is rotatably provided with a limiting rotating shaft 17 and a control rotating shaft rod 20, a limiting swing frame 18 is fixed on the limiting rotating shaft 17, a torsion spring is sleeved outside the limiting rotating shaft 17, the limiting swing frame 18 is composed of a limiting claw mounting arm 182 and a limiting convex arm 181, a limiting top holding claw 19 is mounted on the limiting claw mounting arm 182 through a rotating shaft with the torsion spring, the end of the limiting top holding claw 19 corresponds to the end of the limiting swing arm 143, the side part of the control rotating shaft rod 20 is provided with a shedding groove B matched with the end of the limiting claw mounting arm 182, and the torsion spring is sleeved outside the control rotating shaft rod 20.
As shown in fig. 11 and 12, the opening spring rotating shaft 13 is connected with an insulating main shaft 23 through a synchronous shaft sleeve 22, a transmission bracket 24 is mounted on the insulating main shaft 23, and a contact spring device 25 is mounted on the insulating main shaft 23 and the transmission bracket 24 through a link mechanism.
The utility model discloses it has the spacing ring channel with 5 matched with of transmission gear wheel to open on the preferred combined floodgate spring pivot 4, and 5 inboard normal running fit of transmission gear wheel are installed in the spacing ring channel of combined floodgate spring pivot 4.
As shown in fig. 9, a limiting shaft 21 is fixed on the top of the mounting panel 1 and is engaged with the end of the limiting convex arm 181. The utility model discloses preferred spacing swing arm 143 tip rotates installs and rotates the roller, and spacing top is held claw 19 and is corresponding with spacing swing arm 143's rotation roller.
As shown in fig. 3, a pawl torsion spring 52 is fixed on the side of the driving gearwheel 5 facing the ratchet wheel 41, the pawl torsion spring 52 is correspondingly positioned on the circumferential edge of the ratchet wheel 41, the pawl torsion spring 52 is provided with a compression spring rod, and the compression spring rod of the pawl torsion spring 52 is correspondingly positioned on the outer side surface of the clutch pawl 51. The utility model discloses preferred separation and reunion pawl 51 one end is for opening the end, and the separation and reunion pawl 51 other end is the separation and reunion end, and the end of opening and the pawl pivot of separation and reunion pawl 51 are connected.
The utility model discloses be equipped with parallel key B43 between preferred drive cam 6 and the closing spring pivot 4, be equipped with parallel key A42 between ratchet 41 and the closing spring pivot 4.
As shown in fig. 2, one end of the closing spring 8 is hinged to the end of the closing lever 7, and the other end of the closing spring 8 is connected to the end of the closing spring support post 11 through a screw a.
As shown in fig. 7, one end of the opening spring 15 is hinged to the end of the opening spring driving arm 142, and the other end of the opening spring 15 is connected to the end of the opening spring supporting post 16 through a screw B.
During the use, energy storage motor 2 drives input shaft 3 through the reducing gear box and rotates, and input shaft 3 drives closing spring pivot 4 through drive pinion 31, drive gear wheel 5, and closing spring pivot 4 drives closing connecting lever 7 and rotates and then tensile closing spring 8, just so converts energy storage motor 2's mechanical energy into closing spring 8's spring energy and stores, and energy storage motor 2 only provides initial energy. When the driving cam 6 rotates with the closing spring rotating shaft 4 and rotates to the bottom of the supporting plate 101, the driving cam roller 61 of the driving cam 6 is supported by the bottom of the supporting plate 101 and is positioned. The closing spring 8 is stretched and stores spring energy, the propping plate 101 of the V-shaped swing rod 10 props against the cam roller 61 and prevents the transmission cam 6 and the closing spring rotating shaft 4 from rotating, the closing spring 8 keeps an energy storage state, and meanwhile, the limiting plate 101 of the V-shaped swing rod 10 is clamped between the lower limiting shaft 26 and the closing control rod 12, so that the propping plate 101 of the V-shaped swing rod 10 stably props against the cam roller 6 and positions the cam roller 61. The closing control rods 12 are rotated counterclockwise, so that the notch a121 between the closing control rods 12 rotates, the end of the position limiting plate 102 is disengaged from the notch a121 between the closing control rods 12, at this time, the supporting plate 101 of the V-shaped swing rod 10 no longer supports the cam roller 61, and the closing spring 8 contracts and drives the closing spring rotating shaft 4 and the transmission cam 6 to rotate counterclockwise according to fig. 7. As shown in fig. 7, the cam bottom contour surface 62 of the outer contour surface of the transmission cam 6 firstly contacts with the driving roller 1411 and drives the driving roller 1411, the driving roller frame 141 and the opening driving crank arm frame 14 to rotate upwards integrally, i.e. the opening driving crank arm frame 14, the opening spring rotating shaft 13 rotate and stretch the opening spring 15, so that the opening spring driving arm 142 rotates upwards and stretches the opening spring 15, the opening spring 15 stores the spring energy, so that the spring energy of the closing spring 8 is completely transferred to the opening spring 15 except for the opening energy loss, as shown in fig. 8, when the energy conversion is finished, the cam top contour surface 63 of the outer contour surface of the transmission cam 6 rotates to contact with the driving roller 1411, the utility model releases the energy through the closing spring 8 and drives the closing spring rotating shaft 4 and the transmission cam 6 to rotate, because the outer contour surface of the transmission cam 6 contacts with the driving roller 1411 of the opening driving crank arm frame 14, along with the movement of the lowest point of the contact of the transmission cam 6 to the highest point of the contact, the transmission cam 6 drives the opening driving crank arm support 14 to integrally rotate, and the opening spring driving arm 142 of the opening driving crank arm support 14 gradually stretches the opening spring 15, so that the spring energy of the closing spring 8 is completely converted to the opening spring 15 except for opening energy loss.
The utility model discloses energy storage spring actuating mechanism mainly used chinese patent CN201620182923.8, the name is the on-off control of a miniaturized circuit breaker structure, as shown in fig. 11, spring shaft 1 is connected with insulating main shaft 10 through synchronous axle sleeve 9 (insulating main shaft 10 is chinese patent CN201620182923.8, the name is the insulating main shaft of isolator of miniaturized circuit breaker structure), install transmission support 11 on the insulating main shaft 10, as shown in fig. 12, insulating main shaft 10, transmission support 11 connects through link mechanism and installs contact spring device 12, other parts of circuit breaker structure all have a writing in this applicant's chinese patent CN201620182923.8, do not state by accumulating here again. In the process that the energy of the closing spring 8 is converted into the opening spring 15, the opening spring rotating shaft 13 rotates clockwise as shown in fig. 7 and drives the insulating main shaft 10 to rotate clockwise, and the opening spring rotating shaft 13, the synchronous shaft sleeve 22 and the insulating main shaft 23 rotate synchronously, so that the closing operation of the circuit breaker of the chinese patent CN201620182923.8 is driven. When the control rotating shaft rod 20 is rotated, the notch B of the control rotating shaft rod 20 is rotated to the end position of the limiting claw mounting arm 182, so that the end of the holding pawl mounting arm 182 is released from the escape groove B of the control spindle shaft 20 and rotated, thus since the end of the holding pawl mounting arm 182 is no longer held captive by the exterior of the control spindle shaft 20, meanwhile, the limiting claw mounting arm 182 rotates anticlockwise and upwards according to the drawing of fig. 9, the limiting supporting claw 19 does not support the rotating roller on the limiting swing arm 143 any more, the limiting swing arm 143 and the driving crank arm support 14 rotate anticlockwise and downwards according to the drawing of fig. 9 under the elastic force of the contracting motion of the opening spring 15 until the opening spring 15 is completely contracted, the driving crank arm support 14 and the opening spring rotating shaft 13 synchronously rotate anticlockwise according to the drawing of fig. 9, the opening spring rotating shaft 13, the synchronous shaft sleeve 22 and the insulating main shaft 23 synchronously rotate, further realizing the opening operation of the circuit breaker of the Chinese patent CN 201620182923.8.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An energy storage spring actuating mechanism of circuit breaker which characterized in that: the energy storage type switch comprises an installation panel (1), a switch-on spring (8) and a switch-off spring (15), wherein a switch-on spring supporting column (11) is fixed on the upper portion of the installation panel (1), a switch-off spring supporting column (16) is fixed on the lower portion of the installation panel (1), a switch-off spring rotating shaft (13) and a switch-on spring rotating shaft (4) are sequentially and rotatably installed in the middle of the installation panel (1) from top to bottom, an energy storage motor (2) is fixed at the bottom of the installation panel (1), an input shaft (3) is rotatably installed on the lower portion of the installation panel (1), and a power output shaft of the energy storage motor (2) is in power connection with; a transmission pinion (31) is fixed on the input shaft (3), a transmission large gear (5) meshed with the transmission pinion (31) is rotatably arranged on the closing spring rotating shaft (4), a closing connecting lever (7) is fixed at the end of the closing spring rotating shaft (4), a transmission cam (6) and a ratchet wheel (41) are fixed on the closing spring rotating shaft (4), the closing spring (8) is connected between the end of a closing spring supporting column (11) and the end of the closing connecting lever (7), the transmission large gear (5) is located between the transmission cam (6) and the ratchet wheel (41), a clutch pawl (51) is rotatably arranged on the transmission large gear (5) through a pawl rotating shaft, and a pawl groove matched and locked with the clutch pawl (51) is formed in the ratchet wheel (41); the transmission cam (6) is rotatably provided with a cam roller (61), the installation panel (1) is rotatably provided with a swing rod rotating shaft (9), a V-shaped swing rod (10) is fixed on the swing rod rotating shaft (9), the V-shaped swing rod (10) is composed of a supporting plate (101) and a limiting plate (102), a lower limiting shaft (26) is fixed on the installation panel (1), the installation panel (1) is rotatably provided with a control rod (12), the limiting plate (102) is clamped between the lower limiting shaft (26) and the control rod (12), and a notch A (121) corresponding to the limiting plate (102) is formed in the outer portion of the control rod (12); a brake-separating driving crank arm support (14) is fixed on the brake-separating spring rotating shaft (13), the brake-separating driving crank arm support (14) comprises a driving roller frame (141), a brake-separating spring driving arm (142) and a limiting swing arm (143), the driving roller frame (141), the brake-separating spring driving arm (142) and the limiting swing arm (143) are sequentially distributed outside the brake-separating spring rotating shaft (13), the brake-separating spring (15) is connected between the end of the brake-separating spring driving arm (142) and the end of a brake-separating spring supporting column (16), the end of the driving roller frame (141) is rotatably provided with a driving roller (1411), and the profile surface of the transmission cam (6) is correspondingly matched with the driving roller (1411); the installation panel (1) top is rotated and is installed spacing pivot (17) and control pivot pole (20), be fixed with spacing rocker (18) on spacing pivot (17), spacing pivot (17) outside cover is equipped with the torsional spring, spacing rocker (18) are installed arm (182) and spacing convex arm (181) by spacing claw and are constituteed, spacing claw installation arm (182) are installed spacing top through the pivot of taking the torsional spring and are held claw (19), spacing top is held claw (19) tip and spacing swing arm (143) tip corresponding, control pivot pole (20) lateral part is opened has and is installed spacing claw installation arm (182) tip matched with and take off a mouthful groove B, control pivot pole (20) outside cover is equipped with the torsional spring.
2. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: the opening spring rotating shaft (13) is connected with an insulating main shaft (23) through a synchronous shaft sleeve (22), a transmission support (24) is installed on the insulating main shaft (23), and the insulating main shaft (23) and the transmission support (24) are connected through a connecting rod mechanism and provided with a contact spring device (25).
3. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: the closing spring rotating shaft (4) is provided with a limiting annular groove matched with the transmission gear wheel (5), and the inner side of the transmission gear wheel (5) is installed in the limiting annular groove of the closing spring rotating shaft (4) in a rotating fit mode.
4. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: and a limiting shaft (21) matched with the end part of the limiting convex arm (181) is fixed at the top of the mounting panel (1).
5. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: the end part of the limiting swing arm (143) is rotatably provided with a rotating roller, and the limiting jacking claw (19) corresponds to the rotating roller of the limiting swing arm (143).
6. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: the transmission gear wheel (5) is fixed with pawl torsion spring (52) towards ratchet (41) one side, pawl torsion spring (52) correspond and are located ratchet (41) circumferential edge reason, pawl torsion spring (52) have the pressure spring pole, the pressure spring pole of pawl torsion spring (52) corresponds with separation and reunion pawl (51) outside surface.
7. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 6, wherein: one end of the clutch pawl (51) is an opening end, the other end of the clutch pawl (51) is a clutch end, and the opening end of the clutch pawl (51) is connected with the pawl rotating shaft.
8. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 7, wherein: a flat key B (43) is assembled between the transmission cam (6) and the closing spring rotating shaft (4), and a flat key A (42) is assembled between the ratchet wheel (41) and the closing spring rotating shaft (4).
9. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: one end of the closing spring (8) is hinged to the end of the closing connecting lever (7), and the other end of the closing spring (8) is connected with the end of the closing spring supporting column (11) through a screw A.
10. A stored energy spring drive mechanism for a circuit breaker as claimed in claim 1, wherein: one end of the opening spring (15) is hinged to the end of an opening spring driving arm (142), and the other end of the opening spring (15) is connected with the end of an opening spring supporting column (16) through a screw B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110984.XU CN210925919U (en) | 2019-11-30 | 2019-11-30 | Energy storage spring driving mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110984.XU CN210925919U (en) | 2019-11-30 | 2019-11-30 | Energy storage spring driving mechanism of circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210925919U true CN210925919U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922110984.XU Active CN210925919U (en) | 2019-11-30 | 2019-11-30 | Energy storage spring driving mechanism of circuit breaker |
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| CN (1) | CN210925919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029225A (en) * | 2019-11-30 | 2020-04-17 | 成都宣扬电器有限公司 | Energy storage spring driving mechanism of circuit breaker |
| CN115083829A (en) * | 2022-08-19 | 2022-09-20 | 信承瑞技术有限公司 | Intelligent on-line current monitoring device for on-off switch |
| CN116864328A (en) * | 2023-07-17 | 2023-10-10 | 辽宁东牧电器制造有限公司 | Anti-idle-closing type high-voltage switch operating mechanism |
-
2019
- 2019-11-30 CN CN201922110984.XU patent/CN210925919U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029225A (en) * | 2019-11-30 | 2020-04-17 | 成都宣扬电器有限公司 | Energy storage spring driving mechanism of circuit breaker |
| CN111029225B (en) * | 2019-11-30 | 2024-04-26 | 成都宣扬电器有限公司 | Energy storage spring driving mechanism of circuit breaker |
| CN115083829A (en) * | 2022-08-19 | 2022-09-20 | 信承瑞技术有限公司 | Intelligent on-line current monitoring device for on-off switch |
| CN116864328A (en) * | 2023-07-17 | 2023-10-10 | 辽宁东牧电器制造有限公司 | Anti-idle-closing type high-voltage switch operating mechanism |
| CN116864328B (en) * | 2023-07-17 | 2024-02-02 | 辽宁东牧电器制造有限公司 | Anti-idle-closing type high-voltage switch operating mechanism |
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