CN102522233A - Double cam spring device - Google Patents
Double cam spring device Download PDFInfo
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- CN102522233A CN102522233A CN2011104436139A CN201110443613A CN102522233A CN 102522233 A CN102522233 A CN 102522233A CN 2011104436139 A CN2011104436139 A CN 2011104436139A CN 201110443613 A CN201110443613 A CN 201110443613A CN 102522233 A CN102522233 A CN 102522233A
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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
Technical field
The present invention relates to contact electric switch technical field, refer to a kind of operating mechanism double cam spring assembly on the three station vacuum interrupters on the electric switch that is used for especially.
Background technology
The design of present domestic vacuum interrupter basically all is two stations, with the supporting operating mechanism of this vacuum interrupter also be two stations, promptly can only realize closing a floodgate and the separating brake function, and not have grounding function.
See also Fig. 1 to shown in Figure 4; The applicant has applied for that in August, 2011 utility model " isolates earthy three station 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 ', the 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 board 12 '.The two ends up and down of sluice separating spring 2 ' are individually fixed on separating brake pull bar 3 ' and the sluice separating spring support 1 '; Front panel 11 ' and rear board 12 ' are welded in the forward and backward position of left surface of base plate 9 '; Separating brake baffle plate 10 ' is connected through bolt with the lower end of front panel 11 ' and rear board 12 '; The lower end of separating brake pull bar 3 ' is welded on the separating brake baffle plate 10 ', and sluice separating spring support 1 ' welds with the upper end of mechanism's drive plate 8 ', and the level that is processed with on mechanism's drive plate 8 ' is to the 3rd slotted hole 16 '; Main shaft 5 ' vertically passes an end and the rear board 12 ' of front panel 11 ', main shaft connecting lever 4 '; Be separately installed with bearing between main shaft 5 ' and front panel 11 ' and the rear board 12 ', the main shaft connecting lever 4 ' other end connects the 3rd slotted hole 16 ' that second bearing pin, 17 ', the second bearing pin 17 ' passes mechanism's drive plate 8 '.Three pairs of transmission crank arm 7 ' are installed on mechanism's drive plate 8 ' from top to bottom; Every pair of transmission crank arm 7 ' is symmetricly set in mechanism's drive plate 8 ' forward and backward side; The every pair of transmission crank arm 7 ' lower end is connected with mechanism drive plate 8 ' right-hand member through bearing pin; Front panel 11 ', rear board 12 ' lay respectively at each forward and backward side to transmission crank arm 7; The middle part of every pair of transmission crank arm 7 ' is connected with front panel 11 ', rear board 12 ' through bearing pin, and the top of every pair of transmission crank arm 7 ' is symmetrily processed with two first slotted holes 13 ', be processed with on the front panel 11 ' three levels to second slotted hole 15 '; Be processed with three levels on the rear board 12 to the 4th slotted hole 18 ', be positioned on the front panel 11 ' three second slotted holes 15 ' be positioned at rear board 12 ' on three the 4th slotted hole 18 ' shape is identical and the position is corresponding.The left end of each pull bar 6 ' connects one first bearing pin 14 ', and each first bearing pin 14 ' passes two first slotted holes 13 ' on one second slotted hole 15 ', one the 4th slotted hole on the rear board 12 ' 18 ' and a pair of transmission crank arm 7 ' on the front panel 11 ' respectively.
During 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 moving bar of three vacuum interrupters respectively; Each vacuum interrupter is represented a phase, in conjunction with shown in Figure 3, when operating mechanism drive main shaft 5 ' clockwise rotates certain angle; Main shaft 5 ' lead agency drive plate 8 ' moves upward; Mechanism's drive plate 8 ' drives each transmission crank arm 7 ' is clockwise rotated, and each drives connected pull bar 6 ' to transmission crank arm 7 ' and moves right, and the moving bar that each pull bar 6 ' drives an insulated tension pole and each vacuum interrupter respectively moves right; Make the dynamic and static contact contact of each vacuum interrupter, realize closing function; When by combined floodgate variation lock; In conjunction with shown in Figure 1, operating mechanism drives main shaft 5 ' and is rotated counterclockwise certain angle, the angle that this angle main shaft when closing a floodgate rotates; Main shaft 5 ' lead agency drive plate 8 ' moves downward; Mechanism's drive plate 8 ' drives each transmission crank arm 7 ' is rotated counterclockwise, and each drives each pull bar 6 ' to left movement to transmission crank arm 7 ', and the dynamic and static contact of each vacuum interrupter is separated; And the separating brake function is realized in the centre position of each moving contact between each fixed contact and each ground connection fixed contact; When needs ground connection; In conjunction with shown in Figure 4; Operating mechanism drives main shaft 5 ' to be continued to rotate counterclockwise, and main shaft 5 ' lead agency drive plate 8 ' is moved downward, and mechanism's drive plate 8 ' drives each transmission crank arm 7 ' is rotated counterclockwise; Each drives connected pull bar 6 ' to transmission crank arm 7 ' and continues to left movement; The moving bar that each pull bar 6 ' drives an insulated tension pole and each vacuum interrupter respectively continues to left movement the moving contact of each vacuum interrupter to be contacted with the ground connection fixed contact, promptly is grounded function.This is isolated earthy three station transmission devices and realizes that combined floodgate, isolation and grounding function need operating mechanism to drive; And can't realize with used two station manipulation mechanisms, therefore need design one cover to drive the operating mechanism of " isolating earthy three station transmission devices ".
Summary of the invention
The object of the present invention is to provide a kind of double cam spring assembly, it can drive isolates earthy three station transmission device work, 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 assembly, comprising plate, umbrella Rui stored energy mechanism, isolation on/off switch mechanism, ground connection on/off switch mechanism and main shaft before, during and after parallel; On the plate, the front and back ends of said main shaft stretched out forward and backward plate respectively before, during and after said main shaft vertically was set in, and the front end of said main shaft vertically connects the main shaft connecting lever; Said main shaft connecting lever is connected with three station transmission devices, and vertical the connection isolated connecting lever on the main shaft between said header board and the middle plate, and first position-limited wheel and first follower are installed on the said isolation connecting lever; The vertical ground connection connecting lever that connects on the main shaft in said between plate and the back plate, said ground connection connecting lever forms an angle with isolating connecting lever, and second position-limited wheel and second follower are installed on the said ground connection connecting lever; The spacing connecting lever of the vertical installation in the rear end of said main shaft, the back surface of said back plate is provided with the position-limit mechanism of the spacing connecting lever rotational angle of restriction, the top of said umbrella Rui stored energy mechanism between forward and backward plate; Said umbrella Rui stored energy mechanism comprises that being first of forward and backward layout isolates umbrella Rui wheel and take turns with first ground connection umbrella Rui, and said isolation on/off switch mechanism comprises the isolation Rui wheel shaft that is installed between preceding, the middle plate, and said isolation Rui wheel shaft is positioned at the side of main shaft; Be positioned at and install second on isolation Rui wheel shaft at said header board rear and isolate umbrella Rui wheel and first and isolate Rui's wheel, said first isolates umbrella Rui wheel is positioned at second and isolates the top of umbrella Rui wheel, and said first and second isolation umbrella Rui takes turns engagement; Between header board below said isolation Rui wheel shaft and middle plate, install and isolate camshaft, install second on the said isolation camshaft and isolate Rui's wheel and the isolation cam that can contact with said first follower, said first and second isolated Rui and taken turns engagement; Between the header board of said main shaft another side and middle plate, install and isolate the pallet axle, the end vertical fixing that said isolation pallet axle and first is isolated pallet is connected, is equipped with between the header board of said isolation pallet axle below and the middle plate to limit the isolation semiaxis that the first isolation pallet rotates counterclockwise; Said first isolate pallet middle part hinged with isolate semiaxis and cooperate to limit and isolate second of the counterclockwise angular turn of connecting lever and isolate pallet, be positioned on the isolation camshaft in said header board the place ahead first limit cam be installed, vertical first and second bar that is connected of difference on the outer end of said first limit cam and the header board front surface; Connect between said first and second bar and isolate energy-stored spring; Said ground connection on/off switch mechanism comprises the ground connection Rui wheel shaft that is installed between back plate and the middle plate, and said ground connection Rui wheel shaft is positioned at the side of main shaft, is positioned on ground connection Rui wheel shaft in plate the place ahead, said back second ground connection umbrella Rui wheel to be installed and first ground connection Rui takes turns; Said first ground connection umbrella Rui wheel is positioned at the top of second ground connection umbrella Rui wheel; Said first and second ground connection umbrella Rui takes turns engagement, between back plate below said ground connection Rui wheel shaft and middle plate, the ground connection camshaft is installed, and second ground connection Rui wheel and the ground connection cam that can contact with said second follower are installed on the said ground connection camshaft; Said first and second ground connection Rui takes turns engagement; Between the back plate of said main shaft another side and middle plate, ground connection pallet axle is installed, the said ground connection pallet axle and the first ground connection pallet weld together, and the ground connection semiaxis of restriction first ground connection pallet rotation is installed between the back plate of said ground connection pallet axle below and the middle plate; One end of the said first ground connection pallet is hinged with one and cooperates the second ground connection pallet that can limit the counterclockwise angular turn of ground connection connecting lever with the ground connection semiaxis; Be positioned on the ground connection camshaft at plate rear, said back second limit cam be installed, on said second position-limited wheel with the back plate after the surface go up respectively and vertically be connected third and fourth bar, connection ground connection energy-stored spring between said third and fourth bar.
Double cam spring assembly of the present invention; It is angled that the wherein said second isolation pallet and said first is isolated pallet; The said second isolation pallet lateral wall is provided with and limits first convexity that himself rotates counterclockwise; When rotating counterclockwise, said first convexity offseting with isolation pallet axle; Also be provided with arc groove on the said second isolation pallet, said arc groove and said first convexity are positioned at the homonymy of the second isolation pallet, and the shape of said arc groove is corresponding with the shape of said first position-limited wheel; Said second isolates the cam surface of end for propping up mutually with first position-limited wheel that suspend of pallet, is connected first and second reduction torsion spring respectively on said isolation pallet axle and the second isolation pallet.
Double cam spring assembly of the present invention; Be provided with the inclined-plane that the restriction second ground connection pallet clockwise angle rotates with the hinged end of the first ground connection pallet on the wherein said second ground connection pallet; Prop up mutually with ground connection pallet axle when said inclined-plane turns clockwise, be connected with third and fourth reduction torsion spring respectively on the said ground connection pallet axle and the second ground connection pallet.
Double cam spring assembly of the present invention; The back plate is passed in the rear end of wherein said ground connection pallet axle, and said position-limit mechanism comprises the spacing pallet that is installed on ground connection pallet shaft rear end, and said spacing pallet is L-shaped; The back surface of said back plate is provided with the banking pin that the spacing pallet of restriction rotates; Said banking pin connects an end of limit spring on one of them arm of said spacing pallet between two arms of spacing pallet, the other end of said limit spring be vertically set on the back plate after surperficial spring connected nail be connected; Said spacing connecting lever and is positioned at the below of banking pin between two arms of spacing pallet.
Double cam spring assembly of the present invention is equipped with pawl axis between the wherein said forward and backward plate, restriction first isolation Rui is installed on the said pawl axis takes turns the isolation ratchet of counter-rotating and the ground connection ratchet that restriction first ground connection Rui takes turns counter-rotating.
Double cam spring assembly of the present invention, the end that suspends of wherein said main shaft connecting lever is provided with the connecting rod that is connected with output equipment.
Double cam spring assembly of the present invention, an end of wherein said isolation energy-stored spring connects on first fixed lever, and an end of said first fixed lever is bolted on said second bar; Said first fixed lever is vertical with said second bar; The other end of said isolation energy-stored spring is connected on first moving casing, and the other end of said first moving casing is socketed on said first bar, and said first moving casing is vertical with first bar; The other end of said first fixed lever is plugged on the inner chamber of first moving casing; One end of said ground connection energy-stored spring connects on second fixed lever, and an end of said second fixed lever is bolted on said the 4th bar, and said second fixed lever is vertical with the 4th bar; The other end of said ground connection energy-stored spring is connected on second moving casing; The other end of said second moving casing is socketed on said the 3rd bar, and said second moving casing is perpendicular to the 3rd bar, and the other end of said second fixed lever is inserted in the inner chamber of second moving casing.
After adopting such scheme; Double cam spring assembly of the present invention is isolated on/off switch mechanism through between preceding, middle plate, installing; In, between the plate of back ground connection on/off switch mechanism is installed, the topology layout reasonable stress, simple and compact for structure, realize the isolation closing function of this device through isolating on/off switch mechanism, realize the contact of earth function of this device through ground connection on/off switch mechanism; And can isolate semiaxis, ground connection semiaxis realization isolation, ground connection separating brake function through operation; The equal independent operation of each function can supportingly use with isolating earthy three station transmission devices, and safe and reliable; With the isolation of combined floodgate usefulness, the outside that the ground connection energy-stored spring is arranged at forward and backward plate respectively, maintenance and debugging is convenient.
Description of drawings
Fig. 1 is that the master that the earthy three station transmission devices of existing isolation are in gate-dividing state looks sketch map (not containing front panel);
Fig. 2 is that sketch map is looked on the left side that the earthy three station transmission devices of existing isolation are in gate-dividing state;
Fig. 3 is that the master that the earthy three station transmission devices of existing isolation are in "on" position looks sketch map;
Fig. 4 is that the master that the earthy three station transmission devices of existing isolation are in ground state looks sketch map;
Fig. 5 is the vertical view of double cam spring assembly of the present invention;
Fig. 6 is the main axle structure vertical view of double cam spring assembly of the present invention;
Fig. 7 is the header board front portion structure stereogram of double cam spring assembly of the present invention;
Fig. 8 is the isolation on/off switch mechanism stereogram of the preceding postlaminar part of double cam spring assembly of the present invention;
Fig. 9 is the "on" position sketch map of the isolation on/off switch mechanism of double cam spring assembly of the present invention;
Figure 10 is the gate-dividing state sketch map of the isolation on/off switch mechanism of double cam spring assembly of the present invention;
Figure 11 is the ground connection on/off switch mechanism stereogram of the back prelaminar part of double cam spring assembly of the present invention;
Figure 12 is the "on" position sketch map of the ground connection on/off switch mechanism of double cam spring assembly of the present invention;
Figure 13 is the gate-dividing state sketch map of the ground connection on/off switch mechanism of double cam spring assembly of the present invention;
Figure 14 is the back postlaminar part structural perspective of double cam spring assembly of the present invention.
Embodiment
See also shown in Figure 5ly, double cam spring assembly of the present invention comprises the header board 1 that is parallel to each other, middle plate 2, back plate 3, umbrella Rui stored energy mechanism 4, isolates on/off switch mechanism 5, ground connection on/off switch mechanism 6 and main shaft 7.Main shaft 7 is by vertically passing header board 1, middle plate 2 and back plate 3 behind the forward direction, and the front and back ends of main shaft 7 stretches out header board 1 and back plate 3 respectively.
In conjunction with shown in Figure 6, main shaft 7 is coaxial with the main shaft of isolating in the earthy three station transmission devices, and main shaft 7 can directly be connected with the applicant's application before " isolating earthy three station transmission devices ", is used.The end that suspends of main shaft connecting lever 8 can connect connecting rod 28; Through connecting rod 28; Double cam spring assembly of the present invention can be connected with other three stations output equipment; This design is that double cam spring assembly of the present invention is regardless of and is limited to and isolates earthy three station transmission devices and be connected, can also be used with other output equipment.
Connecting lever 9 is isolated in vertical welding on the main shaft 7 between header board 1 and the middle plate 2, isolates the right ends of connecting lever 9 first position-limited wheel 10 and first follower 11 are installed respectively.Vertical welding ground connection connecting lever 12 on the main shaft 7 between middle plate 2 and the back plate 3, ground connection connecting lever 12 forms an angle with isolating connecting lever 9, so that the two in use can not exert an influence each other.The right ends of ground connection connecting lever 12 is installed second position-limited wheel 13 and second follower 14 respectively, and the rear end vertical welding of main shaft 7 is connected to spacing connecting lever 15.The back surface of back plate 3 is provided with the position-limit mechanism 20 of spacing connecting lever 15 rotational angles of restriction.
In conjunction with Fig. 5, Fig. 9 and shown in Figure 12; The top of umbrella Rui stored energy mechanism 4 between header board 1 and back plate 3; Umbrella Rui stored energy mechanism 4 comprises umbrella Rui wheel plate 43; First umbrella Rui wheel shaft 44 and second umbrella Rui wheel shaft 45 have been placed on umbrella Rui wheel plate 43; Be positioned at and be equipped with first on first umbrella Rui wheel shaft 44 of umbrella Rui wheel plate 43 belows and isolate umbrella Rui and take turns 41, be positioned at and first ground connection umbrella Rui is installed on second umbrella Rui wheel shaft 45 of umbrella Rui wheel plate 43 belows takes turns 42, the first and isolate umbrella Ruis and take turns 41 and first ground connection umbrella Rui and take turns 42 and be forward and backward layout.
In conjunction with Fig. 8, Fig. 9 and shown in Figure 10, isolate on/off switch mechanism 5 and comprise the isolation Rui wheel shaft 51 that is installed between header board 1 and the middle plate 2, isolate the left surface that Rui's wheel shaft 51 is positioned at main shaft 7.Be positioned at and install second on isolation Rui wheel shaft 51 at header board 1 rear and isolate umbrella Rui and take turns 52 and first and isolate Rui and take turns 53, the first and isolate umbrella Ruis and take turns 41 and be positioned at second and isolate umbrella Rui and take turns 52 top, first isolates umbrella Rui takes turns 41 and second isolation umbrella Rui and takes turns 52 and mesh.Between header board 1 below isolation Rui wheel shaft 51 and middle plate 2, install and isolate camshaft 54; Isolate and to install second on the camshaft 54 and isolate Rui and take turns 55 and isolate Ruis with the isolation cam 56, the first that can contact and take turns 53 and second isolation Rui and take turns 55 and mesh with first follower 11 of isolating connecting lever 9.Between the header board 1 of main shaft 7 right flanks and middle plate 2, install and isolate pallet axle 57.Isolation pallet axle 57 ends with the first isolation pallet 571 are vertically welded in.The end that the middle part of the first isolation pallet 571 isolates pallet 572 through bearing pin and second is hinged.First isolates pallet 571 and second, and to isolate pallet 572 angled, and second isolates on the lateral wall of pallet 572 and be processed with when being rotated counterclockwise, can with isolate first convexity 5721 that pallet axle 57 props up mutually.Also be processed with arc groove 5722 on the second isolation pallet 572, arc groove 5722 and first protruding 5721 is positioned at the homonymy of the second isolation pallet 572, and the shape of arc groove 5722 is corresponding with the shape of first position-limited wheel 10.Second isolates the cam surface of end for propping up mutually with first position-limited wheel 10 that suspend of pallet 572.Isolate on the pallet axle 57 and the second isolation pallet 572 and be connected with first reduction torsion spring and the second reduction torsion spring (not shown) respectively; This first and second reduction torsion spring is respectively applied for isolates pallet 572 after the process of braking isolation connecting lever 9 is accomplished with isolating pallet axle 57 and second, can reset.Between the header board 1 of isolation pallet axle 57 belows and the middle plate 2 restriction first is installed and isolates the isolation semiaxis 58 that pallet 571 clockwise rotates.Second isolates pallet 572 can limit the angle that isolation connecting lever 9 rotates counterclockwise with isolation semiaxis 58 1 same-actions.In conjunction with shown in Figure 3; Be positioned at that vertical welding is connected to first bar 16 on the outer end that first limit cam, 541, the first limit cams 541 are installed on the isolation camshaft 54 in header board 1 the place ahead, vertical welding is connected to second bar 17 on the front surface of header board 1; Be socketed with first moving casing 30 on first bar 16; First bar 16 is perpendicular to an end of first fixed lever 29 that is spirally connected on first moving casing, 30, the second bars 17, and second bar 17 is perpendicular to first fixed lever 29; Be connected the inner chamber that the other end of isolating energy-stored spring 59, the first fixed levers 29 is plugged on first moving casing 30 between first moving casing 30 and first fixed lever 29.
In conjunction with Fig. 7, Fig. 8 and shown in Figure 9, ground connection on/off switch mechanism 6 comprises the ground connection Rui wheel shaft 61 that is installed between back plate 3 and the middle plate 2.Ground connection Rui wheel shaft 61 is positioned at the right flank of main shaft 7; Be positioned at and second ground connection umbrella Rui is installed on ground connection Rui wheel shaft 61 in plate 3 the place aheads, back takes turns 62 and first ground connection Rui and take turns 63; First ground connection umbrella Rui takes turns 42 and is positioned at second ground connection umbrella Rui and takes turns 62 top, and first ground connection umbrella Rui takes turns 42 and second ground connection umbrella Rui and takes turns 62 engagements.Between back plate 3 below ground connection Rui wheel shaft 61 and middle plate 2, ground connection camshaft 64 is installed.Install on the ground connection camshaft 64 second ground connection Rui take turns 65 with the ground connection cam 66 that can contact with second follower 14 of ground connection connecting lever 12.First ground connection Rui takes turns 63 and second ground connection Rui and takes turns 65 engagements.Between the back plate 3 of main shaft 7 left surfaces and middle plate 2, ground connection pallet axle 67 is installed.Ground connection pallet axle 67 middle parts with the first ground connection pallet 671 are vertically welded in.One end of the first ground connection pallet 671 is hinged through an end of the 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 second convexity 6721, and this second convexity 6721 can offset with ground connection pallet axle 67 surfaces when the second ground connection pallet 672 clockwise rotates.Be connected with third and fourth reduction torsion spring (not shown) respectively on the ground connection pallet axle 67 and the second ground connection pallet 672; This third and fourth reduction torsion spring is respectively applied for ground connection pallet axle 67 and the second ground connection pallet 672 after the process of braking ground connection connecting lever 12 is accomplished, and can reset.The ground connection semiaxis 68 that the restriction first ground connection pallet 671 rotates counterclockwise is installed between the back plate 3 of ground connection pallet axle 67 belows and the middle plate 2.The second ground connection pallet 672 and ground connection semiaxis 68 1 same-actions; Play the effect that restriction ground connection connecting lever 12 rotates counterclockwise angle; Be positioned at and be equipped with on the ground connection camshaft 64 at plate 3 rears, back that vertical welding is connected to the 3rd bar 18 on second limit cam, 641, the second position-limited wheels 641, the back Surface Vertical of back plate 3 is welded with the 4th bar 19; Be socketed with second moving casing 32 on the 3rd bar 18; The 3rd bar 18 is perpendicular to an end of second fixed lever 31 that is spirally connected on second moving casing, 32, the four bars 19, and the 4th bar 19 is perpendicular to second fixed lever 31; The other end that is connected ground connection energy-stored spring 69, the second fixed levers 31 between second fixed lever 31 and second moving casing 32 is inserted in the inner chamber of second moving casing 32.The back surface of back plate 3 is provided with the position-limit mechanism 20 that the spacing connecting lever 15 of restriction rotates.
In conjunction with shown in Figure 14, back plate 3 is passed in the rear end of ground connection pallet axle 67.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 banking pin 22 that the back surface soldered of back plate 3 has the spacing pallet 21 of restriction to rotate; Banking pin 22 is between two arms of spacing pallet 21; An end that connects limit spring 23 on the left arm of spacing pallet 21, the other end of limit spring 23 is connected with the spring connected nail 24 that is vertically welded in left side, surface, back plate 3 back.Spacing connecting lever 15 and is positioned at the below of banking pin 22 between two arms of spacing pallet 21.The effect of this position-limit mechanism 20 is exactly the position that limits a gate-dividing state, is convenient to mechanism operation, thereby the separating brake of realizing closing a floodgate, separating brake are to ground connection and be grounding to separating brake, separating brake each conversion of operation state to combined floodgate.
In conjunction with shown in Figure 8, vertically be connected with pawl axis 25 between header board 1 and the back plate 3, restriction first isolation Rui is installed on the pawl axis 25 takes turns the isolation ratchet 26 of 53 counter-rotatings and the ground connection ratchet 27 that restriction first ground connection Rui takes turns 63 counter-rotatings.
In conjunction with Figure 10 and shown in Figure 14, be gate-dividing state during double cam spring assembly normal operating conditions of the present invention, this is that spacing connecting lever 15 is parked in the position that limited mechanism 20 is limited.In conjunction with shown in Figure 10, first position-limited wheel 10 of isolating on the connecting lever 9 is positioned at the arc groove 5722 on the second isolation pallet 572.When needs close a floodgate, in conjunction with Fig. 8 and shown in Figure 9, through manually or through electric control operation rotation first isolation umbrella Rui taking turns 41; First isolates umbrella Rui takes turns 41 and drives second and isolate umbrella Rui and take turns 52 and rotate, and second isolates umbrella Rui takes turns 52 and drive to coexist and isolate first on Rui's wheel shaft 51 and isolate Rui and take turns 53 and rotate, and first isolates Rui takes turns 53 and drive and isolate Rui with second of its engagement and take turns 55 and rotate; Second isolates Rui takes turns 55 and drives first limit cam 541 of isolating on the camshaft 54 that coexists and rotate, and first bar 16 that first limit cam 541 drives on it rotates, and first bar 16 rotates to make isolates energy-stored spring 59 and be stretched; Produce convergent force, isolate Rui and take turns 53 counter-rotating restriction, make first bar 16 isolate umbrella Rui and take turns in 41 the process being rotated further first through isolating 26 pairs first on ratchet; Drive to isolate i.e. 180 degree of camshaft 54 rotation half-turns, surpass 180 when spending, isolate energy-stored spring 59 and be stretched behind the dead point (being spring maximum tension distance) when isolating camshaft 54 rotations; The abrupt release energy produces and shrinks, and drives first bar 16 and is rotated further; And first bar 16 drives 54 rotations of isolation camshaft, and the isolation cam 56 of isolating on the camshaft 54 rotates, and it touches first follower 11 on the isolation connecting lever 9 on the main shaft 7 in rotation process; Give and isolate 9 one power that rotate counterclockwise of connecting lever; Isolate connecting lever 9 rotation drive main shafts 7 and rotate counterclockwise (, showing it is clockwise direction among the figure), after turning over certain angle because Fig. 9 is a rearview; First position-limited wheel, 10 drives, the second isolation pallet, 572 relative isolation pallet axles 57 are done and are clockwise rotated; When first position-limited wheel 10 rotates when skidding off arc groove 5722, the energy that isolate energy-stored spring 59 this moment has discharged, and the second isolation pallet 572 is resetted by on it the second reduction torsion spring effect; The contrary pin of crossing rotates; When second isolate pallet 572 the end face peak offset with first position-limited wheel 10 after because first isolate pallet 571 and isolated semiaxis 58 and stop, make and isolate connecting lever 9 quilts and can not be rotated even at the cost of one's life; This moment, main shaft 7 also stopped operating, and the earthy three station transmission devices of the isolation that is connected with main shaft 7 have realized isolating combined floodgate.
And convert into when isolating separating brake when closing a floodgate from isolation, in conjunction with shown in Figure 10, hand rotation is isolated semiaxis 58; No longer supporting the first isolation pallet 571 when isolating semiaxis 58; At this moment, because the vacuum high-voltage switch operating mechanism is by combined floodgate variation lock process, the contact counter-force on the 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; Make first position-limited wheel 10 of isolating on the connecting lever 9 break through second isolate the end face peak of pallet 572 after, break away from second and isolate pallet 572, and isolate semiaxis 58, isolate pallet axle 57 and second and isolate pallet 571 and receive the active force of reduction torsion spring separately respectively and reset.In conjunction with shown in Figure 14; Main shaft 7 continues to clockwise rotate, and the spacing connecting lever 15 on the main shaft 7 is in rotation process, and spacing connecting lever 15 touches the right arm medial surface of the spacing pallet 21 of position-limit mechanism; Right arm is driven rotation; And right arm is under the effect of limit spring 23, because the position that the power of limit spring 23 greater than the actuating force that this moment, spacing connecting lever 15 received, makes spacing connecting lever 15 reversed back by drive and the power of limit spring 23 balances each other; Position banking pin 22 is against on the right arm medial surface of isolating pallet 21 at this moment, and spacing connecting lever 15 also is against on the right arm medial surface of isolating pallet 21.And first position-limited wheel 10 is positioned at the arc groove 5722 of the second isolation pallet 572.This moment is for isolating gate-dividing state.
When from isolating gate-dividing state when becoming contact of earth,, rotate first ground connection umbrella Rui through manual or electric control operation and take turns 42 in conjunction with Figure 11, shown in 12; First ground connection umbrella Rui takes turns 42 and drives second ground connection umbrella Rui and take turns 62 and rotate, and second ground connection umbrella Rui takes turns 62 and drives first ground connection Rui on the ground connection Rui wheel shaft 61 that coexists and take turns 63 and rotate, and first ground connection Rui takes turns 63 and drives second ground connection Rui with its engagement and take turns 65 and rotate; Second ground connection Rui takes turns 65 second limit cams 641 that drive on the ground connection camshaft 64 that coexists and rotates, and the 3rd bar 18 that second limit cam 641 drives on it rotates, and the 3rd bar 18 rotates ground connection energy-stored spring 69 is stretched; Produce convergent force, take turns 63 counter-rotating restriction, the 3rd bar 18 is taken turns in 42 the process being rotated further first ground connection umbrella Rui through 27 couples first ground connection Ruis of ground connection ratchet; Drive i.e. 180 degree of ground connection camshaft 64 rotation half-turns, after ground connection camshaft 64 rotated again, ground connection energy-stored spring 69 was stretched behind the dead point (being spring maximum tension distance); The abrupt release energy produces and shrinks, and drives the 3rd bar 18 and is rotated further; And the 3rd bar 18 drives 64 rotations of ground connection camshaft, and second limit cam 641 is stirred spacing pallet 21 simultaneously, and main shaft 7 can be clockwise rotated; Ground connection cam 66 on the ground connection camshaft 64 rotates; Ground connection cam 66 touches second follower 14 on the ground connection connecting lever 12 on the main shaft 7 in rotation process, give 12 1 power that clockwise rotate of ground connection connecting lever, and ground connection cam 66 is provided with back-moving spring simultaneously; Make after its action completion, recover initial position.Ground connection connecting lever 12 rotates and drives main shafts 7 and clockwise rotate, and the spacing connecting lever 15 on the main shaft 7 is driven to clockwise rotate, because the suffered actuating force of main shaft 7 this moment makes main shaft 7 continue to clockwise rotate greater than the tensile force of limit spring 23.After turning over certain angle, combine shown in Figure 12; Second position-limited wheel, 13 drives, the second ground connection pallet, 672 relative ground connection pallet axles 67 on the ground connection connecting lever 12 are done and are rotated counterclockwise; When side that second position-limited wheel 13 rotated the second ground connection pallet 672 when end face rotates, this moment, ground connection energy-stored spring 69 energy discharged, and the second ground connection pallet 672 is owing to the effect of its upper reset spring; It is clockwise rotated; After end face peak and second position-limited wheel 13 of the second ground connection pallet 672 are offseted,, ground connection connecting lever 12 can not be rotated even at the cost of one's life because the first ground connection pallet 671 is grounded semiaxis 68 and stops; This moment, main shaft 7 also stopped operating, and the earthy three station transmission devices of the isolation that is connected with main shaft 7 have been realized contact of earth.
And when converting the ground connection separating brake into from contact of earth; Hand rotation ground connection semiaxis 68 is when ground connection semiaxis 68 is no longer supporting the first ground connection pallet 671, at this moment; Because the vacuum high-voltage switch operating mechanism is in this process; The counter-force on the vacuum interrupter moving contact and the force transmission of bellows are given main shaft 7, the power that main shaft 7 is rotated counterclockwise, make second position-limited wheel 13 on the ground connection connecting lever 12 break through the end face peak of the second ground connection pallet 672 after; Break away from the second ground connection pallet 672, and ground connection semiaxis 68, ground connection pallet axle 67 and the second ground connection pallet 671 receive the active force of reduction torsion spring separately respectively and reset.Main shaft 7 because the spacing connecting lever 15 on the main shaft 7 receives the position-limiting action of position-limit mechanism 20, stops operating main shaft 7 in rotating counterclockwise process.Be ground connection, isolation gate-dividing state this moment.
Double cam spring assembly of the present invention is installed between header board 1 and the middle plate 2 through isolating on/off switch mechanism 5, between plate 2 and the back plate 3, umbrella Rui stored energy mechanism 4 is installed on the top between header board 1 and the back plate 3 during ground connection on/off switch mechanism 6 is installed on; Its integral layout reasonable stress, good stability is isolated the outside that energy-stored spring 59 and ground connection energy-stored spring 69 are arranged in header board 1 and back 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 describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away 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. double cam spring assembly is characterized in that: comprise parallel before, during and after plate (1,2,3), umbrella Rui stored energy mechanism (4), isolate on/off switch mechanism (5), ground connection on/off switch mechanism (6) and main shaft (7); On the plate before, during and after said main shaft (7) vertically is set in (1,2,3), the front and back ends of said main shaft (7) stretches out forward and backward plate (1 respectively; 3), the front end of said main shaft (7) vertically connects main shaft connecting lever (8), and said main shaft connecting lever (8) is connected with three station transmission devices, and the main shaft (7) between said header board (1) and the middle plate (2) is gone up vertical the connection and isolated connecting lever (9); First position-limited wheel (10) and first follower (11) are installed on the said isolation connecting lever (9), and the main shaft (7) that is arranged between said plate (2) and the back plate (3) is gone up the vertical ground connection connecting lever (12) that connects, and said ground connection connecting lever (12) forms an angle with isolating connecting lever (9), and said ground connection connecting lever (12) is gone up second position-limited wheel (13) and second follower (14) are installed; The vertical spacing connecting lever (15) of installing in the rear end of said main shaft (7), the back surface of said back plate (3) is provided with the position-limit mechanism (20) of restriction spacing connecting lever (15) rotational angle, and said umbrella Rui stored energy mechanism (4) is positioned at the top between the forward and backward plate (1,3); Said umbrella Rui stored energy mechanism (4) comprises that being first of forward and backward layout isolates umbrella Rui wheel (41) and first ground connection umbrella Rui wheel (42), and said isolation on/off switch mechanism (5) comprises the isolation Rui wheel shaft (51) that is installed between preceding, the middle plate (1,2), and said isolation Rui's wheel shaft (51) is positioned at the side of main shaft (7); The isolation Rui wheel shaft (51) that is positioned at said header board (1) rear go up to be installed second and is isolated umbrella Rui wheel (52) and isolate Rui's wheel (53) with first, and said first isolates umbrella Rui wheel (41) is positioned at second and isolates the top of umbrella Rui wheel (52), and said first and second isolated umbrella Rui and taken turns (41; 52) install between the engagement, the header board (1) that is arranged in said isolation Rui's wheel shaft (51) below and plate (2) and isolate camshaft (54), said isolation camshaft (54) is gone up and is installed second and isolate Rui and take turns (55) and the isolation cam (56) that can contact with said first follower (11); Said first and second isolated Rui's wheel (53,55) engagement, between the header board (1) that is arranged in said main shaft (7) another side and the plate (2) isolation pallet axle (57) is installed; One end vertical fixing of the said isolation pallet axle (57) and the first isolation pallet (571) is connected, and is equipped with between the header board (1) of said isolation pallet axle (57) below and the middle plate (2) to limit the isolation semiaxis (58) that the first isolation pallet (571) rotates counterclockwise, and the middle part hinged of the said first isolation pallet (571) cooperates with isolation semiaxis (58) can limit the second isolation pallet (572) of isolating the counterclockwise angular turn of connecting lever (9); Be positioned on the isolation camshaft (54) in said header board (1) the place ahead first limit cam (541) is installed, vertically be connected first and second bar (16,17) respectively on the outer end of said first limit cam (541) and header board (1) front surface; Connect between said first and second bar (16,17) and isolate energy-stored spring (59), said ground connection on/off switch mechanism (6) comprises the ground connection Rui wheel shaft (61) that is installed between back plate (3) and the middle plate (2); Said ground connection Rui wheel shaft (61) is positioned at the side of main shaft (7), is positioned on ground connection Rui wheel shaft (61) in plate (3) the place ahead, said back second ground connection umbrella Rui wheel (62) and first ground connection Rui wheel (63) are installed, and said first ground connection umbrella Rui wheel (42) is positioned at the top that second ground connection umbrella Rui takes turns (62); Said first and second ground connection umbrella Rui wheel (42,62) engagement is arranged between back plate (3) and the plate (2) of said ground connection Rui wheel shaft (61) below ground connection camshaft (64) is installed; Said ground connection camshaft (64) is gone up second ground connection Rui wheel (65) and the ground connection cam (66) that can contact with said second follower (14), said first and second ground connection Rui wheel (63,65) engagement is installed; Be arranged between back plate (3) and the plate (2) of said main shaft (7) another side ground connection pallet axle (67) is installed, said ground connection pallet axle (67) welds together with the first ground connection pallet (671), and the ground connection semiaxis (68) of the restriction first ground connection pallet (671) rotation is installed between the back plate (3) of said ground connection pallet axle (67) below and the middle plate (2); One end of the said first ground connection pallet (671) is hinged with one and cooperates with ground connection semiaxis (68) and can limit ground connection connecting lever (12) the second ground connection pallet (672) of angular turn counterclockwise, is positioned on the ground connection camshaft (64) at plate (3) rear, said back second limit cam (641) is installed, and said second position-limited wheel (641) is gone up with surface, back plate (3) back and gone up vertical respectively third and fourth bar (18 that is connected; 19), connect ground connection energy-stored spring (69) between said third and fourth bar (18,19).
2. double cam spring assembly as claimed in claim 1; It is characterized in that: it is angled that the said second isolation pallet (572) and said first is isolated pallet (571); Said second isolation pallet (572) lateral wall is provided with and limits first convexity (5721) that himself rotates counterclockwise; Said first convexity (5721) is offseting with isolation pallet axle (57) when rotating counterclockwise; Also be provided with arc groove (5722) on the said second isolation pallet (572); Said arc groove (5722) and said first convexity (5721) are positioned at the homonymy of the second isolation pallet (572); The shape of said arc groove (5722) is corresponding with the shape of said first position-limited wheel (10), and said second isolates the cam surface of end for propping up mutually with first position-limited wheel (10) that suspend of pallet (572), is connected first and second reduction torsion spring respectively on said isolation pallet axle (57) and the second isolation pallet (572).
3. double cam spring assembly as claimed in claim 1; It is characterized in that: the said second ground connection pallet (672) is gone up with the hinged end of the first ground connection pallet (671) and is provided with the inclined-plane (6721) that restriction second ground connection pallet (672) clockwise angle rotates; Said inclined-plane (6721) props up with ground connection pallet axle (67) when turning clockwise mutually, is connected with third and fourth reduction torsion spring respectively on the said ground connection pallet axle (67) and the second ground connection pallet (672).
4. like the described double cam spring assembly of one of claim 1-3; It is characterized in that: back plate (3) is passed in the rear end of said ground connection pallet axle (67); Said position-limit mechanism (20) comprises the spacing pallet (21) that is installed on ground connection pallet axle (67) rear end; Said spacing pallet (21) is L-shaped, and the back surface of said back plate (3) is provided with the banking pin (22) that the spacing pallet of restriction (21) rotates, and said banking pin (22) is positioned between two arms of spacing pallet (21); An end that connects limit spring (23) on one of them arm of said spacing pallet (21); The other end of said limit spring (23) is connected with the spring connected nail (24) that is vertically set on surface, back plate (3) back, and said spacing connecting lever (15) is positioned between two arms of spacing pallet (21), and is positioned at the below of banking pin (22).
5. double cam spring assembly as claimed in claim 4; It is characterized in that: said forward and backward plate (1; Pawl axis (25) is installed 3), restriction first is installed on the said pawl axis (25) isolates the isolation ratchet (26) of Rui's wheel (53) counter-rotating and the ground connection ratchet (27) of restriction first ground connection Rui wheel (63) counter-rotating.
6. double cam spring assembly as claimed in claim 5 is characterized in that: the end that suspends of said main shaft connecting lever (8) is provided with the connecting rod (28) that is connected with output equipment.
7. double cam spring assembly as claimed in claim 6; It is characterized in that: an end of said isolation energy-stored spring (59) connects on first fixed lever (29); One end of said first fixed lever (29) is bolted on said second bar (17); Said first fixed lever (29) is vertical with said second bar (17); The other end of said isolation energy-stored spring (59) is connected on first moving casing (30), and the other end of said first moving casing (30) is socketed on said first bar (16), and said first moving casing (30) is vertical with first bar (16); The other end of said first fixed lever (29) is plugged on the inner chamber of first moving casing (30); One end of said ground connection energy-stored spring (69) connects on second fixed lever (31), and an end of said second fixed lever (31) is bolted on said the 4th bar (19), and said second fixed lever (31) is vertical with the 4th bar (19); The other end of said ground connection energy-stored spring (69) is connected on second moving casing (32); The other end of said second moving casing (32) is socketed on said the 3rd bar (18), and said second moving casing (32) is perpendicular to the 3rd bar (18), and the other end of said second fixed lever (31) is inserted in the inner chamber of second moving casing (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110443613.9A CN102522233B (en) | 2011-12-27 | 2011-12-27 | Double cam spring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443613.9A CN102522233B (en) | 2011-12-27 | 2011-12-27 | Double cam spring device |
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| Publication Number | Publication Date |
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| CN102522233A true CN102522233A (en) | 2012-06-27 |
| CN102522233B CN102522233B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110443613.9A Active CN102522233B (en) | 2011-12-27 | 2011-12-27 | Double cam spring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077838A (en) * | 2012-12-31 | 2013-05-01 | 北京双杰电气股份有限公司 | Spring operating and driving integrated mechanism |
| CN105390347A (en) * | 2015-12-03 | 2016-03-09 | 天津平高智能电气有限公司 | Circuit breaker and operating device thereof |
| CN111508768A (en) * | 2020-05-16 | 2020-08-07 | 浙江逸辰电气有限公司 | Operating mechanism of gas-insulated switchgear circuit breaker |
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| 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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2011
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Patent Citations (2)
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077838A (en) * | 2012-12-31 | 2013-05-01 | 北京双杰电气股份有限公司 | Spring operating and driving integrated mechanism |
| 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 |
| CN105390347A (en) * | 2015-12-03 | 2016-03-09 | 天津平高智能电气有限公司 | Circuit breaker and operating device thereof |
| 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 |
| CN111508768A (en) * | 2020-05-16 | 2020-08-07 | 浙江逸辰电气有限公司 | Operating mechanism of gas-insulated switchgear circuit breaker |
| CN111508768B (en) * | 2020-05-16 | 2022-06-24 | 浙江逸辰电气有限公司 | Operating mechanism of gas-insulated switchgear circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102522233B (en) | 2014-08-13 |
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