CN102522233B - Double cam spring device - Google Patents

Double cam spring device Download PDF

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Publication number
CN102522233B
CN102522233B CN201110443613.9A CN201110443613A CN102522233B CN 102522233 B CN102522233 B CN 102522233B CN 201110443613 A CN201110443613 A CN 201110443613A CN 102522233 B CN102522233 B CN 102522233B
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China
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isolation
ground connection
pallet
plate
main shaft
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CN102522233A (en
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张纯军
况卫平
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Beijing Sojo Electric Co Ltd
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Beijing Sojo Electric Co Ltd
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Abstract

A double cam spring device belongs to a contact electric switch technology field. The device comprises: a front board, a middle board, a backboard and the like. A main shaft vertically passes through the front board, the middle board and the backboard. A front end of the main shaft is connected with a main shaft connecting lever. An isolation connecting lever is connected to the main shaft between the front board and the middle board. A grounding connecting lever is connected to the main shaft which is located between the middle board and the backboard. A rear end of the main shaft is installed with a spacing connecting lever. An umbrella-shaped small wheel energy storage mechanism is located on an upper part between the front board and the backboard. An isolation switching on/opening mechanism is installed between the front board and the middle board. An isolation energy storage spring, which is connected with the isolation switching on/opening mechanism, is installed in front of the front board. A grounding switching on/opening mechanism is installed between the middle board and the backboard. A grounding energy storage spring, which is connected with the grounding switching on/opening mechanism, is installed behind the backboard. A back surface of the backboard is provided with a spacing mechanism. The double cam spring device of the invention can drive a three-location transmission device which is used to perform isolation and grounding to work. A structure, a layout and load-carrying capability are reasonable. The structure is simple and compact. Installation and debugging are convenient. Usage is safe and reliable.

Description

Double cam spring device
Technical field
The present invention relates to contact switch technical field, espespecially a kind of for the operating mechanism Double cam spring device on three station vacuum arc extinguish chambers on electric switch.
Background technology
The design of current domestic vacuum interrupter is substantially all two stations, and the operating mechanism supporting with this vacuum interrupter is also two stations, can only realize and closing a floodgate and separating brake function, and there is no grounding function.
Refer to shown in Fig. 1 to Fig. 4, the applicant has applied for that in August, 2011 utility model " isolates earthy three position transmission devices ", comprises sluice separating spring support 1 ', sluice separating spring 2 ' and separating brake pull bar 3 ', main shaft connecting lever 4 ', main shaft 5 ', three pull bars 6 ', three pairs of L shaped transmission crank arm 7 ', mechanism's drive plate 8 ', base plate 9 ', separating brake baffle plate 10 ', front panel 11 ' and rear boards 12 '.The two ends up and down of sluice separating spring 2 ' are individually fixed on separating brake pull bar 3 ' and sluice separating spring support 1 ', front panel 11 ' and rear board 12 ' are welded in before the left surface of base plate 9 ', rear position, separating brake baffle plate 10 ' is bolted with the lower end of front panel 11 ' and rear board 12 ', the lower end of separating brake pull bar 3 ' is welded on separating brake baffle plate 10 ', sluice separating spring support 1 ' welds with the upper end of mechanism's drive plate 8 ', the level that is processed with on mechanism's drive plate 8 ' is to the 3rd slotted hole 16 ', main shaft 5 ' is vertically through front panel 11 ', one end of main shaft connecting lever 4 ' and rear board 12 ', between main shaft 5 ' and front panel 11 ' and rear board 12 ', be separately installed with bearing, the main shaft connecting lever 4 ' other end connects the second bearing pin 17 ', the second bearing pin 17 ' is through the 3rd slotted hole 16 ' of mechanism's drive plate 8 '.Three pairs of transmission crank arm 7 ' are installed on mechanism's drive plate 8 ' from top to bottom, it is front that the every pair of transmission crank arm 7 ' is symmetricly set in mechanism's drive plate 8 ', rear side, the every pair of transmission crank arm 7 ' lower end is connected with mechanism drive plate 8 ' right-hand member by bearing pin, front panel 11 ', rear board 12 ' lays respectively at each to before transmission crank arm 7, rear side, the middle part of every pair of transmission crank arm 7 ' is by bearing pin and front panel 11 ', rear board 12 ' connects, the top of every pair of transmission crank arm 7 ' is symmetrily processed with two the first slotted holes 13 ', on front panel 11 ', be processed with three horizontal direction the second slotted holes 15 ', on rear board 12, be processed with three levels to the 4th slotted hole 18 ', the 4th slotted hole 18 ' shape is identical and position is corresponding with being positioned on rear board 12 ' three to be positioned at three the second slotted holes 15 ' on front panel 11 '.The left end of each pull bar 6 ' connects one first bearing pin 14 ', and each the first bearing pin 14 ' is respectively through two the first slotted holes 13 ' in the 4th slotted hole 18 ' and a pair of transmission crank arm 7 ' on second slotted hole 15 ' on front panel 11 ', rear board 12 '.
When use, main shaft 5 ' is connected with operating mechanism, three pull bars 6 ' are connected with three insulated tension poles respectively, three insulated tension poles are connected with the lever of three vacuum interrupters respectively, each vacuum interrupter represents a phase, shown in Fig. 3, in the time that operating mechanism drives main shaft 5 ' to clockwise rotate certain angle, main shaft 5 ' lead agency drive plate 8 ' moves upward, mechanism's drive plate 8 ' drives and each transmission crank arm 7 ' is clockwise rotated, respectively drive connected pull bar 6 ' to move right to transmission crank arm 7 ', each pull bar 6 ' drives respectively the lever of an insulated tension pole and each vacuum interrupter to move right, make the moving of each vacuum interrupter, fixed contact contact, realize closing function, when by combined floodgate variation lock, shown in Fig. 1, operating mechanism drives main shaft 5 ' to be rotated counterclockwise certain angle, this angle is less than the angle that while combined floodgate, main shaft rotates, main shaft 5 ' lead agency drive plate 8 ' moves downward, mechanism's drive plate 8 ' drives and each transmission crank arm 7 ' is rotated counterclockwise, respectively drive each pull bar 6 ' to left movement to transmission crank arm 7 ', the dynamic and static contact of each vacuum interrupter is separated, and the centre position of each moving contact between each fixed contact and each grounding static contact, realizes separating brake function, in the time of needs ground connection, shown in Fig. 4, operating mechanism drives main shaft 5 ' to continue to rotate counterclockwise, main shaft 5 ' lead agency drive plate 8 ' is moved downward, mechanism's drive plate 8 ' drives and each transmission crank arm 7 ' is rotated counterclockwise, respectively drive connected pull bar 6 ' to continue to left movement to transmission crank arm 7 ', each pull bar 6 ' drives respectively the lever of an insulated tension pole and each vacuum interrupter to continue to left movement, the moving contact of each vacuum interrupter is contacted with grounding static contact, be grounded function.Earthy three position transmission devices of this isolation are realized combined floodgate, isolation and grounding function needs operating mechanism to drive, and cannot realize with used two station operating mechanisms, therefore need to design the operating mechanism that a set of drive " is isolated earthy three position transmission devices ".
Summary of the invention
The object of the present invention is to provide a kind of Double cam spring device, it can drive the earthy three position transmission device work of isolation, its topology layout reasonable stress, simple and compact for structure, Installation and Debugging convenience, safe and reliable.
To achieve these goals, technical solution of the present invention is: a kind of Double cam spring device, before parallel, in, rear plate, umbrella tooth stored energy mechanism, isolation on/off switch mechanism, ground connection on/off switch mechanism and main shaft, before described main shaft is vertically set in, in, on rear plate, before described main shaft, before stretch out respectively rear end, rear plate, the front end of described main shaft vertically connects main shaft connecting lever, described main shaft connecting lever is connected with three position transmission devices, the vertical isolation connecting lever that connects on main shaft between described header board and middle plate, the first position-limited wheel and the first follower are installed on described isolation connecting lever, the vertical earthed crank arm that connects on the main shaft between described middle plate and rear plate, described earthed crank arm forms an angle with isolation connecting lever, the second position-limited wheel and the second follower are installed on described earthed crank arm, the spacing connecting lever of rear end at right angle setting of described main shaft, the rear surface of described rear plate is provided with the position-limit mechanism of the spacing connecting lever rotational angle of restriction, before described umbrella tooth stored energy mechanism is positioned at, top between rear plate, before described umbrella tooth stored energy mechanism comprises and being, the first isolation bevel gear and the first ground connection bevel gear of rear layout, before described isolation on/off switch mechanism comprises and being installed on, isolation gear shaft between middle plate, described isolation gear shaft is positioned at the side of main shaft, be positioned at the second isolation bevel gear and the first isolation gear are installed on the isolation gear shaft at described header board rear, described the first isolation bevel gear is positioned at the top of the second isolation bevel gear, described first, two isolation bevel gear engagements, isolation camshaft is installed between the header board below described isolation gear shaft and middle plate, the second isolation gear and the isolation cam that can contact with described the first follower are installed on described isolation camshaft, described first, two isolation gear engagements, isolation pallet axle is installed between the header board of described main shaft another side and middle plate, described isolation pallet axle and first is isolated vertical being fixedly connected with in one end of pallet, the isolation semiaxis that restriction the first isolation pallet rotates counterclockwise is installed between the header board of described isolation pallet axle below and middle plate, the middle part hinged one of described the first isolation pallet coordinates the second isolation pallet that can limit the counterclockwise angular turn of isolation connecting lever with isolation semiaxis, be positioned on the isolation camshaft in described header board front the first limit cam is installed, the outer end of described the first limit cam is vertically connected first with difference on header board front surface, two bars, described first, between two bars, connect isolation energy-stored spring, described ground connection on/off switch mechanism comprises the ground connection gear shaft being installed between rear plate and middle plate, described ground connection gear shaft is positioned at the side of main shaft, be positioned on the ground connection gear shaft in described rear plate front the second ground connection bevel gear and the first ground connection gear are installed, described the first ground connection bevel gear is positioned at the top of the second ground connection bevel gear, described first, two ground connection bevel gear engagements, between rear plate below described ground connection gear shaft and middle plate, ground connection camshaft is installed, the second ground connection gear and the ground connection cam that can contact with described the second follower are installed on described ground connection camshaft, described first, two ground connection gear engagements, between the rear plate of described main shaft another side and middle plate, ground connection pallet axle is installed, described ground connection pallet axle and the first ground connection pallet weld together, between the rear plate of described ground connection pallet axle below and middle plate, the ground connection semiaxis that restriction the first ground connection pallet rotates is installed, one end of described the first ground connection pallet is hinged with one and coordinates the second ground connection pallet that can limit the counterclockwise angular turn of earthed crank arm with ground connection semiaxis, be positioned on the ground connection camshaft at described rear plate rear the second limit cam is installed, on described the second position-limited wheel with on rear plate rear surface, be vertically connected the 3rd respectively, four bars, the described the 3rd, between four bars, connect ground connection energy-stored spring.
Double cam spring device of the present invention, wherein said the second isolation pallet and described the first isolation pallet are angled, described the second isolation pallet lateral wall is provided with and limits the first projection himself rotating counterclockwise, when described the first projection rotates counterclockwise with isolation pallet axle against, on described the second isolation pallet, be also provided with arc groove, described arc groove and described the first projection are positioned at the homonymy of the second isolation pallet, the shape of described arc groove is corresponding with the shape of described the first position-limited wheel, the cam surface of end for propping up mutually with the first position-limited wheel that suspend of described the second isolation pallet, described isolation pallet axle is connected respectively first with on the second isolation pallet, two reduction torsion springs.
Double cam spring device of the present invention, on wherein said the second ground connection pallet, be provided with the hinged one end of the first ground connection pallet the inclined-plane that restriction the second ground connection pallet clockwise angle rotates, when described inclined-plane turns clockwise, prop up mutually with ground connection pallet axle, on described ground connection pallet axle and the second ground connection pallet, be connected with respectively third and fourth reduction torsion spring.
Double cam spring device of the present invention, the rear end of wherein said ground connection pallet axle is through rear plate, described position-limit mechanism comprises the spacing pallet that is installed on ground connection pallet shaft rear end, described spacing pallet is L-shaped, the rear surface of described rear plate is provided with the banking pin that the spacing pallet of restriction rotates, described banking pin is between two arms of spacing pallet, on one of them arm of described spacing pallet, connect one end of limit spring, the other end of described limit spring is connected with the spring connected nail that is vertically set on rear plate rear surface, described spacing connecting lever is between two arms of spacing pallet, and be positioned at the below of banking pin.
Double cam spring device of the present invention, is provided with pawl axis between wherein said forward and backward plate, and the isolation ratchet of restriction the first isolation gear reversion and the ground connection ratchet of restriction the first ground connection gear reversion are installed on described pawl axis.
Double cam spring device of the present invention, the end that suspends of wherein said main shaft connecting lever is provided with the connecting rod being connected with output equipment.
Double cam spring device of the present invention, one end of wherein said isolation energy-stored spring connects on the first fixed lever, one end of described the first fixed lever is bolted on described the second bar, described the first fixed lever is vertical with described the second bar, the other end of described isolation energy-stored spring is connected on the first moving casing, the other end of described the first moving casing is socketed on described the first bar, described the first moving casing is vertical with the first bar, the other end of described the first fixed lever is plugged on the inner chamber of the first moving casing, one end of described ground connection energy-stored spring connects on the second fixed lever, one end of described the second fixed lever is bolted on described the 4th bar, described the second fixed lever is vertical with the 4th bar, the other end of described ground connection energy-stored spring is connected on the second moving casing, the other end of described the second moving casing is socketed on described the 3rd bar, described the second moving casing is perpendicular to the 3rd bar, the other end of described the second fixed lever is inserted in the inner chamber of the second moving casing.
Adopt after such scheme, Double cam spring device of the present invention passes through front, isolation on/off switch mechanism is installed between middle plate, in, ground connection on/off switch mechanism is installed between rear plate, topology layout reasonable stress, simple and compact for structure, by the isolation closing function of this device of isolation on/off switch winding machine, by the contact of earth function of this device of ground connection on/off switch winding machine, and can pass through operation isolation semiaxis, ground connection semiaxis is realized isolation, ground connection separating brake function, the equal independent operation of each function, can support the use with earthy three position transmission devices of isolation, and safe and reliable, by the isolation of combined floodgate use, before ground connection energy-stored spring is arranged at respectively, the outside of rear plate, maintenance and debugging is convenient.
Brief description of the drawings
Fig. 1 is that earthy three position transmission devices of existing isolation are looked schematic diagram (not containing front panel) in the master of gate-dividing state;
Fig. 2 is that earthy three position transmission devices of existing isolation are looked schematic diagram in a left side for gate-dividing state;
Fig. 3 is that earthy three position transmission devices of existing isolation are looked schematic diagram in the master of "on" position;
Fig. 4 is that earthy three position transmission devices of existing isolation are looked schematic diagram in the master of ground state;
Fig. 5 is the vertical view of Double cam spring device of the present invention;
Fig. 6 is the main axle structure vertical view of Double cam spring device of the present invention;
Fig. 7 is the header board front portion structure stereogram of Double cam spring device of the present invention;
Fig. 8 is the isolation on/off switch mechanism stereogram of the front postlaminar part of Double cam spring device of the present invention;
Fig. 9 is the "on" position schematic diagram of the isolation on/off switch mechanism of Double cam spring device of the present invention;
Figure 10 is the gate-dividing state schematic diagram of the isolation on/off switch mechanism of Double cam spring device of the present invention;
Figure 11 is the ground connection on/off switch mechanism stereogram of the rear prelaminar part of Double cam spring device of the present invention;
Figure 12 is the "on" position schematic diagram of the ground connection on/off switch mechanism of Double cam spring device of the present invention;
Figure 13 is the gate-dividing state schematic diagram of the ground connection on/off switch mechanism of Double cam spring device of the present invention;
Figure 14 is the rear postlaminar part structural perspective of Double cam spring device of the present invention.
Embodiment
Refer to shown in Fig. 5, Double cam spring device of the present invention comprises the header board 1, middle plate 2, rear plate 3, umbrella tooth stored energy mechanism 4, isolation on/off switch mechanism 5, ground connection on/off switch mechanism 6 and the main shaft 7 that are parallel to each other.Main shaft 7 is by vertical through header board 1, middle plate 2 and rear plate 3 after forward direction, and the front and back ends of main shaft 7 stretches out respectively header board 1 and rear plate 3.
Shown in Fig. 6, main shaft 7 is coaxial with the main shaft in earthy three position transmission devices of isolation, and main shaft 7 can directly be connected with application before the applicant " isolating earthy three position transmission devices ", is used in conjunction with.The end that suspends of main shaft connecting lever 8 can connect connecting rod 28, by connecting rod 28, Double cam spring device of the present invention can be connected with other three stations output equipment, this design be Double cam spring device of the present invention be regardless of be limited to isolation earthy three position transmission devices be connected, can also be used in conjunction with other output equipment.
Vertical welding isolation connecting lever 9 on main shaft 7 between header board 1 and middle plate 2, the first position-limited wheel 10 and the first follower 11 are installed respectively in the two ends, left and right of isolation connecting lever 9.Vertical welding earthed crank arm 12 on the main shaft 7 between middle plate 2 and rear plate 3, earthed crank arm 12 forms an angle with isolation connecting lever 9, so that the two in use can not exert an influence mutually.The second position-limited wheel 13 and the second follower 14 are installed respectively in the two ends, left and right of earthed crank arm 12, the rear end vertical welding limited location connecting lever 15 of main shaft 7.The rear surface of rear plate 3 is provided with the position-limit mechanism 20 of spacing connecting lever 15 rotational angles of restriction.
Shown in Fig. 5, Fig. 9 and Figure 12, the top of umbrella tooth stored energy mechanism 4 between header board 1 and rear plate 3, umbrella tooth stored energy mechanism 4 comprises bevel gear plate 43, the first angular wheel shaft 44 and the second angular wheel shaft 45 on bevel gear plate 43, are placed, be positioned on the first angular wheel shaft 44 of bevel gear plate 43 belows the first isolation bevel gear 41 is installed, be positioned at and on the second angular wheel shaft 45 of bevel gear plate 43 belows, the first ground connection bevel gear 42, the first isolation bevel gears 41 be installed and the first ground connection bevel gear 42 is forward and backward layout.
Shown in Fig. 8, Fig. 9 and Figure 10, isolation on/off switch mechanism 5 comprises the isolation gear shaft 51 being installed between header board 1 and middle plate 2, and isolation gear shaft 51 is positioned at the left surface of main shaft 7.Be positioned at the top of the second isolation bevel gear 52 and the first isolation gear 53, the first isolation bevel gears 41 being installed being positioned at the second isolation bevel gear 52 on the isolation gear shaft 51 at header board 1 rear, the first isolation bevel gear 41 and the second isolation bevel gear 52 engage.Isolation camshaft 54 is installed between the header board 1 below isolation gear shaft 51 and middle plate 2, the second isolation gear 55 is installed on isolation camshaft 54 to be engaged with isolation cam 56, the first isolation gears 53 that can contact with the first follower 11 of isolation connecting lever 9 and the second isolation gear 55.Isolation pallet axle 57 is installed between the header board 1 of main shaft 7 right flanks and middle plate 2.Isolation pallet axle 57 is together with first one end vertical welding of isolating pallet 571.The middle part of the first isolation pallet 571 is hinged by one end of bearing pin and the second isolation pallet 572.The first isolation pallet 571 and the second isolation pallet 572 are angled, are processed with while being rotated counterclockwise first projection 5721 that can prop up mutually with isolation pallet axle 57 on the lateral wall of the second isolation pallet 572.On the second isolation pallet 572, be also processed with arc groove 5722, arc groove 5722 and the first projection 5721 are positioned at the homonymy of the second isolation pallet 572, and the shape of arc groove 5722 is corresponding with the shape of the first position-limited wheel 10.The cam surface of end for propping up mutually with the first position-limited wheel 10 that suspend of the second isolation pallet 572.On isolation pallet axle 57 and the second isolation pallet 572, be connected with respectively the first reduction torsion spring and the second reduction torsion spring (not shown), this first and second reduction torsion spring is respectively used to isolation pallet axle 57 and second to isolate pallet 572 after the process of braking isolation connecting lever 9 completes, and can reset.The isolation semiaxis 58 that restriction the first isolation pallet 571 clockwise rotates is installed between the header board 1 of isolation pallet axle 57 belows and middle plate 2.The second isolation pallet 572 can limit with isolation semiaxis 58 1 same-actions the angle that isolation connecting lever 9 rotates counterclockwise.Shown in Fig. 3, be positioned on the isolation camshaft 54 in header board 1 front the first limit cam 541 is installed, on the outer end of the first limit cam 541, be vertically welded with the first bar 16, on the front surface of header board 1, be vertically welded with the second bar 17, on the first bar 16, be socketed with the first moving casing 30, the first bar 16 is perpendicular to the first moving casing 30, one end of the first fixed lever 29 is spirally connected on the second bar 17, the second bar 17 is perpendicular to the first fixed lever 29, between the first moving casing 30 and the first fixed lever 29, be connected isolation energy-stored spring 59, the other end of the first fixed lever 29 is plugged on the inner chamber of the first moving casing 30.
Shown in Fig. 7, Fig. 8 and Fig. 9, ground connection on/off switch mechanism 6 comprises the ground connection gear shaft 61 being installed between rear plate 3 and middle plate 2.Ground connection gear shaft 61 is positioned at the right flank of main shaft 7, be positioned on the ground connection gear shaft 61 in rear plate 3 fronts the second ground connection bevel gear 62 and the first ground connection gear 63 are installed, the first ground connection bevel gear 42 is positioned at the top of the second ground connection bevel gear 62, and the first ground connection bevel gear 42 and the second ground connection bevel gear 62 engage.Between rear plate 3 below ground connection gear shaft 61 and middle plate 2, ground connection camshaft 64 is installed.The second ground connection gear 65 and the ground connection cam 66 that can contact with the second follower 14 of earthed crank arm 12 are installed on ground connection camshaft 64.The first ground connection gear 63 and the second ground connection gear 65 engage.Between the rear plate 3 of main shaft 7 left surfaces and middle plate 2, ground connection pallet axle 67 is installed.Together with the middle part vertical welding of ground connection pallet axle 67 and the first ground connection pallet 671.One end of the first ground connection pallet 671 is hinged by one end of bearing pin and the second ground connection pallet 672.The end face of the hinged end of this second ground connection pallet 672 is processed with circular arc the second projection 6721, and this second projection 6721 can offset with ground connection pallet axle 67 surfaces in the time that the second ground connection pallet 672 clockwise rotates.On ground connection pallet axle 67 and the second ground connection pallet 672, be connected with respectively third and fourth reduction torsion spring (not shown), this third and fourth reduction torsion spring is respectively used to ground connection pallet axle 67 and the second ground connection pallet 672 after the process of braking earthed crank arm 12 completes, and can reset.The ground connection semiaxis 68 that restriction the first ground connection pallet 671 rotates counterclockwise is installed between the rear plate 3 of ground connection pallet axle 67 belows and middle plate 2.The second ground connection pallet 672 and ground connection semiaxis 68 1 same-actions, play the effect that restriction earthed crank arm 12 rotates counterclockwise angle, be positioned on the ground connection camshaft 64 at rear plate 3 rears the second limit cam 641 is installed, on the second position-limited wheel 641, be vertically welded with the 3rd bar 18, the rear surface of rear plate 3 is vertically welded with the 4th bar 19, on the 3rd bar 18, be socketed with the second moving casing 32, the 3rd bar 18 is perpendicular to the second moving casing 32, one end of the second fixed lever 31 is spirally connected on the 4th bar 19, the 4th bar 19 is perpendicular to the second fixed lever 31, between the second fixed lever 31 and the second moving casing 32, be connected ground connection energy-stored spring 69, the other end of the second fixed lever 31 is inserted in the inner chamber of the second moving casing 32.The rear surface of rear plate 3 is provided with the position-limit mechanism 20 that the spacing connecting lever 15 of restriction rotates.
Shown in Figure 14, the rear end of ground connection pallet axle 67 is through rear plate 3.The position-limit mechanism 20 that limits spacing connecting lever 15 rotational angles comprises the spacing pallet 21 that is installed on ground connection pallet axle 67 rear ends, and spacing pallet 21 is L-shaped.The rear surface of rear plate 3 is welded with the banking pin 22 that the spacing pallet 21 of restriction rotates, banking pin 22 is between two arms of spacing pallet 21, on the left arm of spacing pallet 21, connect one end of limit spring 23, the other end of limit spring 23 is connected with the spring connected nail 24 that is vertically welded in rear plate 3 left sides, rear surface.Spacing connecting lever 15, between two arms of spacing pallet 21, and is positioned at the below of banking pin 22.The effect of this position-limit mechanism 20 is exactly the position that limits a gate-dividing state, is convenient to mechanism operation, thereby realizes close a floodgate separating brake, separating brake to ground connection and be grounding to the conversion that separating brake, separating brake arrive each operating state of combined floodgate.
Shown in Fig. 8, between header board 1 and rear plate 3, be vertically connected with pawl axis 25, the ground connection ratchet 27 that isolation ratchet 26 that restriction the first isolation gear 53 reverses and restriction the first ground connection gear 63 reverse is installed on pawl axis 25.
Shown in Figure 10 and Figure 14, when Double cam spring device normal operating conditions of the present invention, be gate-dividing state, this is that spacing connecting lever 15 is parked in the position that limited mechanism 20 limits.Shown in Figure 10, the first position-limited wheel 10 on isolation connecting lever 9 is positioned at the arc groove 5722 on the second isolation pallet 572.In the time that needs close a floodgate, shown in Fig. 8 and Fig. 9, by manually or by electric control operation rotating the first isolation bevel gear 41, the first isolation bevel gear 41 drives the second isolation bevel gear 52 to rotate, the second isolation bevel gear 52 drives the first isolation gear 53 coexisting on isolation gear shaft 51 to rotate, the first isolation gear 53 drives the second isolation gear 55 engaging with it to rotate, the second isolation gear 55 drives the first limit cam 541 coexisting on isolation camshaft 54 to rotate, the first limit cam 541 drives the first bar 16 on it to rotate, the first bar 16 rotations make to isolate energy-stored spring 59 and are stretched, produce convergent force, reversion restriction by isolation ratchet 26 to the first isolation gear 53, make the first bar 16 being rotated further in the process of the first isolation bevel gear 41, drive isolation camshaft 54 to rotate i.e. 180 degree of half-turn, when the rotation of isolation camshaft 54 exceedes 180 while spending, isolation energy-stored spring 59 was stretched behind dead point (being spring maximum tension distance), abrupt release energy, produce and shrink, drive the first bar 16 to be rotated further, and the first bar 16 drives isolation camshaft 54 to rotate, isolation cam 56 on isolation camshaft 54 rotates, it touches the first follower 11 on the isolation connecting lever 9 on main shaft 7 in rotation process, give isolation connecting lever 9 one power that rotate counterclockwise, isolation connecting lever 9 rotates and drives main shaft 7 to rotate counterclockwise (because Fig. 9 is rearview, in figure, show it is clockwise direction), when turning over after certain angle, the first position-limited wheel 10 drives the second isolation pallet 572 relatively to isolate pallet axle 57 and clockwise rotates, in the time that the first position-limited wheel 10 rotations skid off arc groove 5722, the energy of now isolating energy-stored spring 59 releases, and the second isolation pallet 572 is resetted by the second reduction torsion spring effect thereon, the contrary pin of crossing rotates, after the end face peak of the second isolation pallet 572 and the first position-limited wheel 10 offset, because being isolated semiaxis 58, the first isolation pallet 571 stops, making to isolate connecting lever 9 can not be rotated even at the cost of one's life, now main shaft 7 also stops operating, and earthy three position transmission devices of isolation that are connected with main shaft 7 have been realized isolation combined floodgate.
And be converted to when closing a floodgate from isolation while isolating separating brake, shown in Figure 10, hand rotation isolation semiaxis 58, when isolation semiaxis 58 is no longer against the first isolation pallet 571, now, because vacuum high-voltage switch operating mechanism is by the variation lock process of closing a floodgate, contact counter-force on arc control device moving contact and the pulling force of sluice separating spring together pass to main shaft 7, the power that main shaft 7 is clockwise rotated, the first position-limited wheel 10 that makes to isolate on connecting lever 9 is broken through after the end face peak of the second isolation pallet 572, depart from the second isolation pallet 572, and isolation semiaxis 58, isolation pallet axle 57 and the second isolation pallet 571 are subject to respectively the active force of reduction torsion spring separately and reset.Shown in Figure 14, main shaft 7 continues to clockwise rotate, spacing connecting lever 15 on main shaft 7 is in rotation process, spacing connecting lever 15 touches the right arm medial surface of the spacing pallet 21 of position-limit mechanism, right arm is driven and rotated, and right arm is under the effect of limit spring 23, because the power of limit spring 23 is greater than the actuating force that now spacing connecting lever 15 is subject to, spacing connecting lever 15 is driven reverse go back to the position of balancing each other with the power of limit spring 23, now position banking pin 22 is against on the right arm medial surface of isolation pallet 21, spacing connecting lever 15 is also against on the right arm medial surface of isolation pallet 21.And the first position-limited wheel 10 is positioned at the arc groove 5722 of the second isolation pallet 572.It is now isolation gate-dividing state.
In the time becoming contact of earth from isolation gate-dividing state, in conjunction with Figure 11, shown in 12, rotate the first ground connection bevel gear 42 by manual or electric control operation, the first ground connection bevel gear 42 drives the second ground connection bevel gear 62 to rotate, the second ground connection bevel gear 62 drives the first ground connection gear 63 coexisting on ground connection gear shaft 61 to rotate, the first ground connection gear 63 drives the second ground connection gear 65 engaging with it to rotate, the second ground connection gear 65 drives the second limit cam 641 coexisting on ground connection camshaft 64 to rotate, the second limit cam 641 drives the 3rd bar 18 on it to rotate, the 3rd bar 18 rotates ground connection energy-stored spring 69 is stretched, produce convergent force, reversion restriction by ground connection ratchet 27 to the first ground connection gear 63, make the 3rd bar 18 being rotated further in the process of the first ground connection bevel gear 42, drive ground connection camshaft 64 to rotate i.e. 180 degree of half-turn, after ground connection camshaft 64 rotates again, ground connection energy-stored spring 69 was stretched behind dead point (being spring maximum tension distance), abrupt release energy, produce and shrink, drive the 3rd bar 18 to be rotated further, and the 3rd bar 18 drives ground connection camshaft 64 to rotate, the second limit cam 641 is stirred spacing pallet 21 simultaneously, main shaft 7 can be clockwise rotated, ground connection cam 66 on ground connection camshaft 64 rotates, ground connection cam 66 touches the second follower 14 on the earthed crank arm 12 on main shaft 7 in rotation process, give 12 1 power that clockwise rotate of earthed crank arm, ground connection cam 66 is provided with back-moving spring simultaneously, make after its action completes, recover initial position.Earthed crank arm 12 rotates and drives main shafts 7 to clockwise rotate, and the spacing connecting lever 15 on main shaft 7 is driven and clockwise rotates, and because the suffered actuating force of main shaft 7 is now greater than the tensile force of limit spring 23, makes main shaft 7 continue to clockwise rotate.When turning over after certain angle in conjunction with shown in Figure 12, the second position-limited wheel 13 on earthed crank arm 12 drives the relative ground connection pallet axle 67 of the second ground connection pallet 672 to rotate counterclockwise, in the time that rotate to end face the side that the second position-limited wheel 13 rotated the second ground connection pallet 672, now the energy of ground connection energy-stored spring 69 releases, and the second ground connection pallet 672 is due to the effect of its upper reset spring, it is clockwise rotated, after the end face peak of the second ground connection pallet 672 and the second position-limited wheel 13 are offseted, because being grounded semiaxis 68, the first ground connection pallet 671 stops, earthed crank arm 12 can not be rotated even at the cost of one's life, now main shaft 7 also stops operating, and earthy three position transmission devices of isolation that are connected with main shaft 7 have been realized contact of earth.
And in the time being converted to ground connection separating brake from contact of earth, hand rotation ground connection semiaxis 68, when ground connection semiaxis 68 is no longer against the first ground connection pallet 671, now, because vacuum high-voltage switch operating mechanism is in this process, counter-force on vacuum interrupter moving contact and the force transmission of bellows are to main shaft 7, the power that main shaft 7 is rotated counterclockwise, the second position-limited wheel 13 on earthed crank arm 12 is broken through after the end face peak of the second ground connection pallet 672, depart from the second ground connection pallet 672, and ground connection semiaxis 68, ground connection pallet axle 67 and the second ground connection pallet 671 are subject to respectively the active force of reduction torsion spring separately and reset.Main shaft 7 is rotating counterclockwise in process, because the spacing connecting lever 15 on main shaft 7 is subject to the position-limiting action of position-limit mechanism 20, main shaft 7 stopped operating.Be now ground connection, isolation gate-dividing state.
Double cam spring device of the present invention is by being installed on isolation on/off switch mechanism 5 between header board 1 and middle plate 2, ground connection on/off switch mechanism 6 is installed between middle plate 2 and rear plate 3, umbrella tooth stored energy mechanism 4 is installed on to the top between header board 1 and rear plate 3, its integral layout reasonable stress, good stability, isolation energy-stored spring 59 and ground connection energy-stored spring 69 are arranged in the outside of header board 1 and rear plate 3, easy access and replacing, this apparatus structure transmission efficiency is high, and it is simple to operate, reliable in action.
The above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention, all should fall in the definite protection range of claims of the present invention.

Claims (7)

1. a Double cam spring device, it is characterized in that: comprise parallel before, in, rear plate (1, 2, 3), umbrella tooth stored energy mechanism (4), isolation on/off switch mechanism (5), ground connection on/off switch mechanism (6) and main shaft (7), before described main shaft (7) is vertically set in, in, rear plate (1, 2, 3) on, before described main shaft (7), before stretch out respectively rear end, rear plate (1, 3), the front end of described main shaft (7) vertically connects main shaft connecting lever (8), described main shaft connecting lever (8) is connected with three position transmission devices, the upper vertical isolation connecting lever (9) that connects of main shaft (7) between described header board (1) and middle plate (2), the first position-limited wheel (10) and the first follower (11) are installed on described isolation connecting lever (9), be arranged in the upper vertical earthed crank arm (12) that connects of main shaft (7) between described plate (2) and rear plate (3), described earthed crank arm (12) forms an angle with isolation connecting lever (9), upper the second position-limited wheel (13) and the second follower (14) installed of described earthed crank arm (12), the spacing connecting lever of rear end at right angle setting (15) of described main shaft (7), the rear surface of described rear plate (3) is provided with the position-limit mechanism (20) of restriction spacing connecting lever (15) rotational angle, before described umbrella tooth stored energy mechanism (4) is positioned at, rear plate (1, 3) top between, before described umbrella tooth stored energy mechanism (4) comprises and being, the first isolation bevel gear (41) and the first ground connection bevel gear (42) of rear layout, before described isolation on/off switch mechanism (5) comprises and being installed on, middle plate (1, 2) the isolation gear shaft (51) between, described isolation gear shaft (51) is positioned at the side of main shaft (7), be positioned at upper the second isolation bevel gear (52) and the first isolation gear (53) installed of isolation gear shaft (51) at described header board (1) rear, described the first isolation bevel gear (41) is positioned at the top of the second isolation bevel gear (52), described first, two isolation bevel gears (41, 52) engagement, between the header board (1) that is arranged in described isolation gear shaft (51) below and plate (2), install and isolate camshaft (54), the upper second isolation gear (55) and the isolation cam (56) that can contact with described the first follower (11) of installing of described isolation camshaft (54), described first, two isolation gears (53, 55) engagement, be arranged in isolation pallet axle (57) is installed between the header board (1) of described main shaft (7) another side and plate (2), described isolation pallet axle (57) and first is isolated vertical being fixedly connected with in one end of pallet (571), the isolation semiaxis (58) that restriction the first isolation pallet (571) rotates counterclockwise is installed between the header board (1) of described isolation pallet axle (57) below and middle plate (2), the middle part hinged one of described the first isolation pallet (571) coordinates with isolation semiaxis (58) can limit isolation connecting lever (9) the second isolation pallet (572) of angular turn counterclockwise, be positioned on the isolation camshaft (54) in described header board (1) front the first limit cam (541) is installed, vertical first bar (16) that connects in outer end of described the first limit cam (541), vertical the second bar (17) that connects on header board (1) front surface, described first, two bars (16, 17) between, connect isolation energy-stored spring (59), described ground connection on/off switch mechanism (6) comprises the ground connection gear shaft (61) being installed between rear plate (3) and middle plate (2), described ground connection gear shaft (61) is positioned at the side of main shaft (7), be positioned on the ground connection gear shaft (61) in described rear plate (3) front the second ground connection bevel gear (62) and the first ground connection gear (63) are installed, described the first ground connection bevel gear (42) is positioned at the top of the second ground connection bevel gear (62), described first, two ground connection bevel gears (42, 62) engagement, be arranged between the rear plate (3) of described ground connection gear shaft (61) below and plate (2) ground connection camshaft (64) is installed, upper the second ground connection gear (65) and the ground connection cam (66) that can contact with described the second follower (14) installed of described ground connection camshaft (64), described first, two ground connection gears (63, 65) engagement, be arranged between the rear plate (3) of described main shaft (7) another side and plate (2) ground connection pallet axle (67) is installed, described ground connection pallet axle (67) welds together with the first ground connection pallet (671), the ground connection semiaxis (68) that restriction the first ground connection pallet (671) rotates is installed between the rear plate (3) of described ground connection pallet axle (67) below and middle plate (2), one end of described the first ground connection pallet (671) is hinged with one and coordinates the second ground connection pallet (672) that can limit the counterclockwise angular turn of earthed crank arm (12) with ground connection semiaxis (68), be positioned on the ground connection camshaft (64) at described rear plate (3) rear the second limit cam (641) is installed, upper vertical the 3rd bar (18) that connects of described the second position-limited wheel (641), vertical the 4th bar (19) that connects on rear plate (3) rear surface, the described the 3rd, four bars (18, 19) between, connect ground connection energy-stored spring (69).
2. Double cam spring device as claimed in claim 1, it is characterized in that: described the second isolation pallet (572) is angled with described the first isolation pallet (571), described the second isolation pallet (572) lateral wall is provided with and limits the first projection (5721) himself rotating counterclockwise, when described the first projection (5721) rotates counterclockwise with isolation pallet axle (57) against, on described the second isolation pallet (572), be also provided with arc groove (5722), described arc groove (5722) and described the first projection (5721) are positioned at the homonymy of the second isolation pallet (572), the shape of described arc groove (5722) is corresponding with the shape of described the first position-limited wheel (10), the cam surface of end for propping up mutually with the first position-limited wheel (10) that suspend of described the second isolation pallet (572), upper first reduction torsion spring that connects of described isolation pallet axle (57), upper second reduction torsion spring that connects of the second isolation pallet (572).
3. Double cam spring device as claimed in claim 1, it is characterized in that: described the second ground connection pallet (672) one end upper and that the first ground connection pallet (671) is hinged is provided with the inclined-plane (6721) that restriction the second ground connection pallet (672) clockwise angle rotates, when turning clockwise, described inclined-plane (6721) props up mutually with ground connection pallet axle (67), on described ground connection pallet axle (67), be connected with the 3rd reduction torsion spring, on the second ground connection pallet (672), be connected with the 4th reduction torsion spring.
4. the Double cam spring device as described in one of claim 1-3, it is characterized in that: the rear end of described ground connection pallet axle (67) is through rear plate (3), described position-limit mechanism (20) comprises the spacing pallet (21) that is installed on ground connection pallet axle (67) rear end, described spacing pallet (21) is L-shaped, the rear surface of described rear plate (3) is provided with the banking pin (22) that the spacing pallet of restriction (21) rotates, described banking pin (22) is positioned between two arms of spacing pallet (21), on one of them arm of described spacing pallet (21), connect one end of limit spring (23), the other end of described limit spring (23) is connected with the spring connected nail (24) that is vertically set on rear plate (3) rear surface, described spacing connecting lever (15) is positioned between two arms of spacing pallet (21), and be positioned at the below of banking pin (22).
5. Double cam spring device as claimed in claim 4, it is characterized in that: described forward and backward plate (1,3) pawl axis (25) is installed between, the isolation ratchet (26) of restriction the first isolation gear (53) reversion and the ground connection ratchet (27) of restriction the first ground connection gear (63) reversion are installed on described pawl axis (25).
6. Double cam spring device as claimed in claim 5, is characterized in that: the end that suspends of described main shaft connecting lever (8) is provided with the connecting rod (28) being connected with output equipment.
7. Double cam spring device as claimed in claim 6, it is characterized in that: one end of described isolation energy-stored spring (59) connects on the first fixed lever (29), one end of described the first fixed lever (29) is bolted on described the second bar (17), described the first fixed lever (29) is vertical with described the second bar (17), the other end of described isolation energy-stored spring (59) is connected on the first moving casing (30), the other end of described the first moving casing (30) is socketed on described the first bar (16), described the first moving casing (30) is vertical with the first bar (16), the other end of described the first fixed lever (29) is plugged on the inner chamber of the first moving casing (30), one end of described ground connection energy-stored spring (69) connects on the second fixed lever (31), one end of described the second fixed lever (31) is bolted on described the 4th bar (19), described the second fixed lever (31) is vertical with the 4th bar (19), the other end of described ground connection energy-stored spring (69) is connected on the second moving casing (32), the other end of described the second moving casing (32) is socketed on described the 3rd bar (18), described the second moving casing (32) is perpendicular to the 3rd bar (18), the other end of described the second fixed lever (31) is inserted in the inner chamber of the second moving casing (32).
CN201110443613.9A 2011-12-27 2011-12-27 Double cam spring device Active CN102522233B (en)

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CN103077838B (en) * 2012-12-31 2015-01-07 北京双杰电气股份有限公司 Spring operating and driving integrated mechanism
CN105390347B (en) * 2015-12-03 2017-11-28 天津平高智能电气有限公司 A kind of breaker and its operation device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101719428A (en) * 2009-12-01 2010-06-02 北京双杰电气股份有限公司 V-type spring mechanism
EP2346055A1 (en) * 2010-01-13 2011-07-20 Kabushiki Kaisha Toshiba Switch operating device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101719428A (en) * 2009-12-01 2010-06-02 北京双杰电气股份有限公司 V-type spring mechanism
EP2346055A1 (en) * 2010-01-13 2011-07-20 Kabushiki Kaisha Toshiba Switch operating device

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