CN202230961U - Oversized-power spring operating mechanism for high-voltage circuit breaker - Google Patents
Oversized-power spring operating mechanism for high-voltage circuit breaker Download PDFInfo
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- CN202230961U CN202230961U CN2011203998134U CN201120399813U CN202230961U CN 202230961 U CN202230961 U CN 202230961U CN 2011203998134 U CN2011203998134 U CN 2011203998134U CN 201120399813 U CN201120399813 U CN 201120399813U CN 202230961 U CN202230961 U CN 202230961U
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- separating brake
- floodgate
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- spring
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Abstract
The utility model discloses an oversized-power spring operating mechanism, which belongs to the technical field of power transmission and comprises a wall plate, a ratchet wheel, a connecting rod, a fork-shaped connecting plate, a guide seat, a brake closing detent, a brake separating detent, a brake closing crank arm, a brake separating crank arm, a brake closing disc spring group, a brake separating disc spring group and the like. The output power of the spring operating mechanism is greatly improved while the whole size of the spring operating mechanism is reduced. In addition, the oversized-power spring operating mechanism has the advantages of being fast in speed of brake closing and brake separating, stable in performance parameters, high in reliability, oversized in output power and the like.
Description
Technical field
The utility model relates to a kind of primary cut-out and uses the super high power spring operating mechanism, belongs to the high voltage power transmission and transforming technical field.
Technical background
Spring operating mechanism is the visual plant in high voltage power transmission and transforming field, is the important component part of primary cut-out, and the on/off switch operation of primary cut-out realizes through spring operating mechanism.Advantages such as the operating mechanism of primary cut-out mainly is divided into hydraulic pressure and two kinds of operating mechanisms of spring, and hydraulic actuating mechanism has branch, closing time is short and stable, but have shortcomings such as complex structure, high, the technological realization difficulty of cost height; Spring operating mechanism has characteristics such as cost is low, simple in structure, service time is long, is adapted at extensively a large amount of use the on the primary cut-out.
The spring operating mechanism ubiquity overall volume that is applied to primary cut-out at present is huge, complex structure, and the manufacturing process difficulty, power output is little.Because the complexity of structure causes the branch wire time of circuit breaker long, characteristic is unstable, has reduced the reliability of primary cut-out.Along with the development of system of State Grid, the continuous increase of power system capacity, the circuit breaker development of technology, national grid needs a kind of branch wire time weak point, mechanical property to stablize the novel spring operating mechanism that power output is big.
Summary of the invention
The utility model provides a kind of super high power spring operating mechanism to inscribing between above technology, solves that present spring operating mechanism volume is big, complex structure, problems such as power output is little, manufacturing process is difficult, branch wire time instability.
The utility model realizes that the technical scheme of above-mentioned purpose is following:
A kind of super high power spring operating mechanism, it mainly comprises wallboard (1), ratchet (62), energy storage ratchet (8), check ratchet (14), combined floodgate dish spring group and separating brake dish spring group, combined floodgate control system and separating brake control system; Two ratchets (62) utilize ratchet shaft (63) activity to be fixed in the inboard of two wallboards (1) respectively; Two wallboards (1) outside utilizes fixing respectively two of said two ratchet shafts (63) to connect connecting lever (92); Two connect connecting lever (92) and use board connective axis A (67) to connect the left end of corresponding forked connecting plate (66) respectively; The left end of this forked connecting plate (66) places two outsides that connect connecting lever (92); Utilize fixed axis (91) to install combined floodgate connecting lever (69) and be fixed in the middle of two ratchets (62), the connecting lever (69) that promptly closes a floodgate places the inboard of two ratchets (62); Combined floodgate connecting lever (69) lower end connects combined floodgate dish spring group (77); Inboard upper end fixed axis (91) top of combined floodgate connecting lever (69) is with the fixing combined floodgate roller (64) of combined floodgate Roller Shaft (65); Combined floodgate Roller Shaft (65) and combined floodgate roller (64) place combined floodgate connecting lever (69) top inboard, and said combined floodgate roller (64) control system of being closed a floodgate drives kayser and removes kayser; The left end of forked connecting plate (66) utilizes two board connective axis A (67) to be separately fixed on the connection connecting lever (92); Two pivots that connect connecting lever (92) are fixed on the outside that places two wallboards on two ratchet shafts; Connect connecting lever (92) and the coaxial rotation of ratchet shaft (63); The right-hand member of forked connecting plate (66) has stopper slot, and the board connective axis B (68) that is utilized in the lower end setting of big connecting lever (59) is slidingly matched with stopper slot, and forked connecting plate (66) is fixed with big connecting lever (59) is movable; Big connecting lever (59) utilizes the output shaft (60) of its right-hand member to install the right side of being fixed in ratchet (62) between two wallboards (1); Big connecting lever (59) serves as that axle rotates with output shaft (60); Big connecting lever (59) left upper end is driven by the separating brake control system and accomplishes rotation; The top of separating brake connecting lever (81) utilizes separating brake connecting lever axle A (82) to install and is fixed on big connecting lever (59) left end, and the lower end of separating brake connecting lever (81) connects separating brake dish spring group (86); At the ratchet edge of two ratchets (62), be provided with the energy storage ratchet (8) that drives by rotating cam (3) and energy storage connecting lever (4) with ratchet engagement, also be provided with check ratchet (14) with ratchet engagement.
Described a kind of super high power spring operating mechanism is formed the combined floodgate control system by the spring and the pivot pin of making electromagnet (18), making electromagnet connecting lever (19), the sincere son (21) that closes a floodgate, the sincere sub-connecting lever (25) that closes a floodgate, spring base A (30), spring base B (31) and cooperation with it; Be provided with making electromagnet (18) on wallboard (1) upper left side; Install making electromagnet connecting lever (19) on the combined floodgate semiaxis (21) and be fixed on the right side of making electromagnets (18) in the middle of two wallboards (1); The moving iron core of making electromagnet (18) is when impacting making electromagnet connecting lever (19); Drive combined floodgate semiaxis (21) rotation; Combined floodgate semiaxis (21) is provided with combined floodgate semiaxis return spring; Close a floodgate to install on the sincere son axle (22) and close a floodgate sincere son (21) and be fixed in the right side of the making electromagnet (18) between two wallboards (1); The sincere son axle (22) that closes a floodgate is provided with return with the torsion spring sincere sub-torsion spring that promptly closes a floodgate; The close a floodgate below of sincere son (21) is provided with the sincere sub-connecting lever (25) that closes a floodgate, and sincere sub-connecting lever (25) right-hand member that closes a floodgate installs the sincere sub-connecting lever axle (26) that closes a floodgate, and the sincere sub-connecting lever axle (26) that closes a floodgate installs and is fixed between two wallboards (1); Little combined floodgate Roller Shaft (28) installs the left end that little combined floodgate roller (27) is fixed on the sincere sub-connecting lever (25) that closes a floodgate; Little combined floodgate roller (27) contacts spacing or rolls with the sincere son (21) that closes a floodgate and skids off, and sincere sub-connecting lever (25) the little combined floodgate Roller Shaft of left end (28) of closing a floodgate top is provided with the sincere sub-connecting lever pin (29) that closes a floodgate, and the sincere sub-connecting lever pin (29) that closes a floodgate is threaded onto in the crescent stopper slot that is arranged between two wallboards (1) on two wallboards (1); The rotary spacing of the sincere sub-connecting lever pin (29) that the closes a floodgate restriction sincere sub-connecting lever of combined floodgate (25); The middle of sincere sub-connecting lever (25) that close a floodgate installs spring base B (31) with pivot pin B (34), installs the top that pivot pin A (33) is fixed on spring base B (31) between two wallboards (1) on the spring base A (30), is provided with the sincere sub-spring of combined floodgate (32) that makes the sincere sub-connecting lever (25) that closes a floodgate receive downward pressure between spring base A (30) and the spring base B (31); The sincere sub-connecting lever (25) that under the elastic force effect of the sincere sub-spring (32) that closes a floodgate, closes a floodgate rotates up to the back, crescent stopper slot below that the sincere sub-connecting lever pin (29) that closes a floodgate is stuck on two wallboards (1) spacing; Move upward when combined floodgate roller (64) promotes the sincere sub-connecting lever of combined floodgate (25), little combined floodgate roller (27) is pushed the sincere son (21) that closes a floodgate open, and it is spacing after the sincere sub-connecting lever pin (29) that closes a floodgate is stuck in the crescent stopper slot top on two wallboards (1) that the sincere sub-connecting lever (25) that closes a floodgate is moved upward.
Described a kind of super high power spring operating mechanism; Form linkage lever by the sincere sub-connecting lever of separating brake (45), the sincere sub-connecting lever of little separating brake (57), spring base C (47), spring base D (48), spring base E (49) and spring base F (50), this linkage lever adds the sincere son of separating brake (38), separating brake semiaxis (37), tripping electromagnet connecting lever (36), tripping electromagnet (35), spring and pivot pin composition separating brake control system; Be provided with tripping electromagnet (35) in wallboard (1) centre position, top; Install tripping electromagnet connecting lever (36) on the separating brake semiaxis (37) and be fixed on the below of tripping electromagnets (35) in the middle of two wallboards (1); The moving iron core of tripping electromagnet (35) impacts tripping electromagnet connecting lever (36); Drive separating brake semiaxis (37) rotation; Separating brake semiaxis (37) is provided with separating brake semiaxis return spring; Install the sincere son of separating brake (38) on the sincere son axle of separating brake (39) and be fixed in the below of separating brake semiaxis (37) between two wallboards (1), the sincere son of separating brake (38) upper end installs the sincere son pin of separating brake B (41), and the sincere son pin C of separating brake (42) is installed on the left side of the sincere son pin B of separating brake (41) between two wallboards (1); The sincere son pin A of separating brake (40) is installed on the sincere son pin B of left side separating brake (41) top of separating brake semiaxis (37) between two wallboards (1); The sincere sub-extension spring of separating brake (43) two ends are separately fixed between sincere son pin B (41) of separating brake and the sincere son pin C of separating brake (42), and the sincere son of separating brake (38) lower end installs the sincere sub-roller bearing of separating brake (44), and the sincere sub-roller bearing of separating brake (44) is fitted on the sincere sub-connecting lever of little separating brake (57) under the sincere sub-extension spring of separating brake (43) tension; The sincere sub-connecting lever of little separating brake (57) lower end installs the sincere sub-connecting lever axle of little separating brake (58) and is fixed on the lower end of the sincere sub-connecting lever of separating brake (46); The upper end of the sincere sub-connecting lever of separating brake (45) installs the sincere sub-connecting lever axle of separating brake (46), and the sincere sub-connecting lever axle of separating brake (46) is installed on the right side of tripping electromagnet (35) between two wallboards (1), and the centre of the sincere sub-connecting lever of separating brake (45) installs pivot pin C (51); On pivot pin C (51), install spring base C (47) and rolling bearing (80); Install spring base D (48) on the pivot pin D (52) and be fixed on the top of spring base A (30) between two wallboards (1), between spring base C (47) and spring base D (48), separating brake connecting lever spring (55) is set, make the reverse power of generation between spring base C (47) the spring base D (48); Thereby impose on power that the sincere sub-connecting lever of separating brake (45) is rotated counterclockwise and make rolling bearing (80) the big connecting lever (59) of fitting; Install spring base E (49) on the pivot pin E (53) and be fixed on the spring base C (47), install spring base F (50) on the pivot pin F (54) and be fixed on the sincere sub-connecting lever of little separating brake (57), between spring base E (49) and spring base F (50), the sincere sub-spring of separating brake (56) is set; The left upper end of big connecting lever (59) installs roller bearing (61), and the applying sincere sub-connecting lever of separating brake (45) rolled when roller bearing (61) rotated at big connecting lever (59).
Described a kind of super high power spring operating mechanism; The ratchet of mechanism (62) is with to be connected connecting lever (92) coaxial; Connect rotation synchronously with fixed axis (91) between two ratchets (62); Fixed axis (91) and board connective axis A (67) are the center rotation with ratchet shaft (63), are provided with angle between fixed axis (91) and the board connective axis A (67).
Described a kind of super high power spring operating mechanism, mechanism claims based on facing in two wallboards (1).
Described a kind of super high power spring operating mechanism, the forked connecting plate (66) of realizing strength transmission between combined floodgate dish spring group and the separating brake dish spring group are for U-shaped designs, and its right-hand member is provided with the stopper slot of symmetry, and the groove right-hand member is the junction of U-shaped.
The spring operating mechanism of the utility model has following advantage: adopt combined floodgate connecting lever, forked connecting plate to connect fixed ratchet wheel respectively and produce the design that specific rotational angle reduces energy loss; It is simple to reach mechanism's overall structure; Be easy to the effect of I& M; Avoid the big shortcoming of energy loss in the transmission of conventional springs operating mechanism simultaneously, thereby improved power output; The spring operating mechanism of the utility model can be carried out sub-switching operation immediately after feed motion is accomplished; Or after closing operation was accomplished, switching-in spring carried out reclosing operation after the energy storage once more, had advantages such as branch wire time is stable, machinery driving efficiency is high, and power output is big.
Description of drawings
Fig. 1 is the utility model instance medi-spring operating mechanism separating brake energy storage state generalized section;
Fig. 2 is the utility model instance medi-spring operating mechanism not energy storage state generalized section of closing a floodgate;
Fig. 3 is the utility model instance medi-spring operating mechanism combined floodgate energy storage state generalized section;
Fig. 4 is a not energy storage state generalized section (initial condition) of the utility model instance medi-spring operating mechanism separating brake;
Fig. 5 is the utility model instance medi-spring operating mechanism left view cut-away section sketch map;
Number among the figure: 1, wallboard, 2, camshaft, 3, cam, 4, the energy storage connecting lever, 5, the energy storage Roller Shaft, 6, the energy storage roller, 7, the energy storage pawl axis; 8, energy storage ratchet, 9, energy storage connecting lever axle, 10, energy storage ratchet torsion spring, 11, energy storage connecting lever torsion spring, 12, the energy storage detent pin, 13, energy storage connecting lever pin, 14, the check ratchet; 15, check pawl axis, 16, check ratchet torsion spring, 17, the check detent pin, 18, making electromagnet, 19, the making electromagnet connecting lever, 20, the combined floodgate semiaxis; 21, the sincere son that closes a floodgate, 22, the sincere son axle that closes a floodgate, 23, the sincere sub-torsion spring that closes a floodgate, 24, the sincere son pin that closes a floodgate, 25, the sincere sub-connecting lever that closes a floodgate, 26, sincere sub-connecting lever axle closes a floodgate; 27, little combined floodgate roller, 28, little combined floodgate Roller Shaft, 29, the sincere sub-connecting lever pin that closes a floodgate, 30, spring base A, 31, spring base B, 32, sincere sub-spring closes a floodgate; 33, pivot pin A, 34, pivot pin B, 35, tripping electromagnet, 36, the tripping electromagnet connecting lever, 37, the separating brake semiaxis, 38, the sincere son of separating brake; 39, the sincere son axle of separating brake, 40, the sincere son pin of separating brake A, 41, the sincere son pin of separating brake B, 42, the sincere son pin of separating brake C, 43, the sincere sub-extension spring of separating brake, 44, the sincere sub-roller bearing of separating brake; 45, the sincere sub-connecting lever of separating brake, 46, the sincere sub-connecting lever axle of separating brake, 47, spring base C, 48, spring base D, 49, spring base E, 50, spring base F; 51, pivot pin C, 52, pivot pin D, 53, pivot pin E, 54, pivot pin F, 55, separating brake connecting lever spring, 56, the sincere sub-spring of separating brake; 57, the sincere sub-connecting lever of little separating brake, 58, the sincere sub-connecting lever axle of little separating brake, 59, big connecting lever, 60, output shaft, 61, roller bearing, 62, ratchet; 63, ratchet shaft, 64, the combined floodgate roller, 65, the combined floodgate Roller Shaft, 66, forked connecting plate, 67, board connective axis A, 68, board connective axis B; 69, combined floodgate connecting lever, 70, guide roller, 71, the guide roller axle, 72, combined floodgate dish spring connecting rod, 73, joint, 74, combined floodgate dish spring alignment pin; 75, combined floodgate dish spring flange, 76, combined floodgate dish spring tube, 77, combined floodgate dish spring group, 78, guide rail, 79, combined floodgate dish spring tube adpting flange, 80, rolling bearing; 81, separating brake connecting lever, 82, separating brake connecting lever axle A, 83, separating brake connecting lever axle B, 84, guide sub, 85, separating brake dish spring flange, 86, separating brake dish spring group; 87, separating brake dish spring locating flange, 88, separating brake dish spring tube, 89, separating brake dish spring tube adpting flange, 90, guide ring, 91, fixed axis, 92, connect connecting lever.
Embodiment
The spring operating mechanism of the utility model is as shown in Figure 1; Parallel being fixed together of two wallboard 1 usefulness reference columns, spring operating mechanism claims that based on facing in two wallboards 1 lower left is provided with cam 3 between two wallboards 1; Install camshaft 2 on the cam 3 and be fixed in 1 of two wallboard; Install energy storage connecting lever 4 on the energy storage connecting lever axle 9 and be fixed in the upper right side of camshaft 2 between two wallboards, energy storage connecting lever 4 left lower ends install energy storage roller 6 with energy storage Roller Shaft 5, and energy storage pawl axis 7 installs the left upper end that energy storage ratchet 8 is fixed on energy storage connecting lever 4; Energy storage ratchet torsion spring 10 and energy storage connecting lever torsion spring 11 are installed on energy storage pawl axis 7 and the energy storage connecting lever axle 9; On the fixedly energy storage detent pin of energy storage ratchet torsion spring 10 1 ends 12, the other end is fixed on the energy storage ratchet 8, and energy storage connecting lever torsion spring 11 1 ends are fixed on the energy storage connecting lever pin 13; The other end is fixed on the energy storage detent pin 12; Energy storage detent pin 12 is fixed on the energy storage connecting lever 4, under the twisting force of energy storage ratchet torsion spring 10 and energy storage connecting lever torsion spring 11, makes energy storage roller 6 applying cams 3, makes on the ratchet of energy storage ratchet 8 applying ratchets 62 circumference; The lower right of the upper right side ratchet 62 of energy storage connecting lever 4 utilizes check pawl axis 15 to install check ratchet 14 and is fixed between two wallboards; On check pawl axis 15, install check ratchet torsion spring 16, check detent pin 17 is fixed between two wallboards in upper right side of check pawl axis 15, and check ratchet torsion spring 16 1 ends are fixed on the check ratchet 14; The other end is fixed on the check detent pin 17, at the ratchet that makes under the twisting force of check ratchet torsion spring 16 on pawl point applying ratchet 62 circumference of check ratchet 14.When cam 3 rotates, thereby promoting energy storage rollers 6, cam 3 drives 4 reciprocating motions of energy storage connecting levers, make the ratchet on reciprocal promotion ratchet 62 circumference of the pawl point of energy storage ratchet 8, ratchet 62 is clockwise rotated.The pawl point of check ratchet 14 ratchet on ratchet 62 circumference of fitting all the time prevents that ratchet 62 from rotating counterclockwise, thereby plays non-return effect under the effect of combined floodgate dish spring group 77.
Referring to Fig. 5, described spring operating mechanism has two ratchets 62, utilizes ratchet shaft 63 to be fixed in the inboard of two wallboards respectively, and being uniformly distributed with unidirectional dentation groove on the circumference of ratchet 62 is ratchet.Suit combined floodgate roller 64 and be fastened on the centre of combined floodgate connecting lever 69 upper ends on the combined floodgate Roller Shaft 65; Combined floodgate Roller Shaft 65 lower ends, upper end of combined floodgate connecting lever 69 install fixed axis 91 and are fixed in the middle of two ratchets 62; Two pivots that connect connecting lever 92 are fixed on the outside that places two wallboards 1 on two ratchet shafts 63; It is coaxial and utilize fixed axis 91 synchronous its motions to connect connecting lever 92 and ratchet 62; The left end of forked connecting plate 66 is separately fixed at two with two board connective axis A67 respectively and connects on the connecting lever 92, and forked connecting plate 66 places the outside that connects connecting lever 92.Described ratchet shaft 63 two ends are to be circular shaft in the middle of six square shafts, and circular shaft partly is fixed in wallboard 1, and two ends six square shafts are partly distinguished fixed ratchet wheel 62 and are connected connecting lever 92.
Described spring operating mechanism upper left side is provided with making electromagnet 18; Install making electromagnet connecting lever 19 on the combined floodgate semiaxis 20 and be fixed on the right side of making electromagnets 18 in the middle of two wallboards; Thereby making electromagnet 18 moving iron cores can impact making electromagnet connecting lever 19 and drive 20 rotations of combined floodgate semiaxis; Combined floodgate semiaxis 20 is provided with and automatically resets after return spring can make 20 rotations of combined floodgate semiaxis; Close a floodgate to install on the sincere son axle 22 and close a floodgate sincere sub 21 and be fixed in the right side of making electromagnet 18 between two wallboards; The sincere son axle 22 that closes a floodgate is provided with return with the torsion spring sincere sub-torsion spring 23 that promptly closes a floodgate, and sincere sub-torsion spring 23 1 ends that close a floodgate are fixed on and close a floodgate on sincere sub 21, and the other end is fixed on the sincere son pin 24 that closes a floodgate; The sincere sub-torsion spring 23 that closes a floodgate applies the torsion that is rotated counterclockwise to combined floodgate sincere sub 21; Sincere sub 21 the below of closing a floodgate is provided with the sincere sub-connecting lever 25 that closes a floodgate, and sincere sub-connecting lever 25 right-hand members that close a floodgate install the sincere sub-connecting lever axle 26 that closes a floodgate, and the sincere sub-connecting lever axle 26 that closes a floodgate installs and is fixed between two wallboards; Little combined floodgate Roller Shaft 28 installs the left end that little combined floodgate roller 27 is fixed on the sincere sub-connecting lever 25 that closes a floodgate; Little combined floodgate roller 27 can contact spacing also can the rolling with combined floodgate sincere sub 21 and skid off, and the little combined floodgate Roller Shaft of sincere sub-connecting lever 25 left ends of closing a floodgate 28 tops install the fixing sincere sub-connecting lever pin 29 that closes a floodgate, and the sincere sub-connecting lever pin 29 that closes a floodgate is threaded onto and is arranged between two wallboards in two crescent stopper slots on the wallboard; The sincere sub-connecting lever pin 29 that closes a floodgate is used for limiting the rotary spacing of the sincere sub-connecting lever 25 of combined floodgate; The middle of sincere sub-connecting lever 25 that close a floodgate installs spring base B31 with pivot pin B34, installs the top that pivot pin A32 is fixed on spring base B31 between two wallboards on the spring base A30, is provided with the sincere sub-spring 32 that closes a floodgate between spring base A30 and the spring base B31; Under the elastic force effect of the sincere sub-spring 32 of combined floodgate, can make the sincere sub-connecting lever 25 that closes a floodgate receive downward pressure, it is spacing that the sincere sub-connecting lever 25 that closes a floodgate is rotated after the sincere sub-connecting lever pin 29 that closes a floodgate is stuck in two crescent stopper slots belows on the wallboard.Making electromagnet 18, making electromagnet connecting lever 19, combined floodgate semiaxis 20, sincere sub 21, the combined floodgate control system that close a floodgate sincere sub-connecting lever 25, spring base A30, spring base B31 and the various springs that cooperate with it and pivot pin have been formed the utility model spring operating mechanism of closing a floodgate.
Centre position, described spring operating mechanism wallboard 1 top is provided with tripping electromagnet 35; Install tripping electromagnet connecting lever 36 on the separating brake semiaxis 37 and be fixed on the below of tripping electromagnets 35 in the middle of two wallboards; Thereby tripping electromagnet 35 moving iron cores can impact tripping electromagnet connecting lever 36 and drive 37 rotations of separating brake semiaxis; Separating brake semiaxis 37 is provided with and automatically resets after return spring can make 37 rotations of separating brake semiaxis; Install separating brake sincere sub 38 on the sincere son axle 39 of separating brake and be fixed in the below of separating brake semiaxis 37 between two wallboards; Sincere sub 38 upper ends of separating brake install the sincere son pin of separating brake B41; The sincere son pin of separating brake C42 is installed on the left side of the sincere son pin of separating brake B41 between two wallboards; The sincere son pin of separating brake A40 is installed on the left side of separating brake semiaxis 37 between two wallboards, and the sincere sub-extension spring of separating brake 43 two ends are separately fixed on sincere son pin B41 of separating brake and the sincere son pin of the separating brake C42, and the sincere sub-extension spring 43 of separating brake produces pulling force and makes the sincere son pin A40 of the sincere sub 38 upper end applying separating brakes of separating brake and spacing; Sincere sub 38 lower ends of separating brake install the sincere sub-roller bearing 44 of separating brake; The sincere sub-roller bearing 44 of separating brake is fitted on the sincere sub-connecting lever 57 of little separating brake under sincere sub-extension spring 43 tension of separating brake, and the sincere sub-connecting lever of little separating brake 57 lower ends install the sincere sub-connecting lever axle 58 of little separating brake and are fixed on the lower end of the sincere sub-connecting lever 45 of separating brake, and the upper end of the sincere sub-connecting lever 45 of separating brake installs the sincere sub-connecting lever axle 46 of separating brake; The sincere sub-connecting lever axle 46 of separating brake is installed on the upper right side of tripping electromagnet 35 between two wallboards; The centre of the sincere sub-connecting lever 45 of separating brake installs pivot pin C51, on pivot pin C51, installs spring base C47 and rolling bearing 80, installs spring base D48 on the pivot pin D52 and is fixed on the top of spring base A30 between two wallboards; Separating brake connecting lever spring 55 is set between spring base C47 and spring base D48; Make the reverse power of generation between the spring base C47 spring base D48, make the rolling bearing big connecting lever 59 of fitting, install spring base E49 on the pivot pin E53 and be fixed on the spring base C47 thereby impose on power that the sincere sub-connecting lever 45 of separating brake is rotated counterclockwise; Install spring base F50 on the pivot pin F54 and be fixed on the sincere sub-connecting lever 57 of little separating brake; The sincere sub-spring 56 of separating brake is set between spring base E49 and spring base F50, and so far the sincere sub-connecting lever of the sincere sub-connecting lever of separating brake 45, little separating brake 57, spring base C47, spring base D48, spring base E49 and spring base F50 form linkage lever, and this linkage lever adds the separating brake control system that sincere sub 38, the separating brake semiaxis 37 of separating brake, tripping electromagnet connecting lever 36, tripping electromagnet 35, the various springs that cooperate with it and pivot pin have been formed the utility model spring operating mechanism.
Described spring operating mechanism operating work is accomplished by output shaft 60; Output shaft 60 installs the centre of big connecting lever 59 and is installed on the right side of mechanism between two wallboards; The upper end of big connecting lever 59 installs roller bearing 61, and roller bearing can roll by the sincere sub-connecting lever 45 of applying separating brake when big connecting lever 59 rotates, and utilizes separating brake connecting lever axle A82 the upper end of separating brake connecting lever 81 to be fixed on the left side of output shaft 60 on the big connecting lever 59; The lower end of big connecting lever 59 installs board connective axis B68; Board connective axis B68 is through in the right-hand member stopper slot of forked connecting plate 66, and the left end of forked connecting plate 66 utilizes two board connective axis A67 to be separately fixed on two connection connecting levers 92, and it is coaxial with ratchet 62 to connect connecting lever 92; When ratchet 62 rotates, promoting forked connecting plate 66 moves right; Utilize lever principle board connective axis B68 to promote big connecting lever 59 and rotate counterclockwise, when ratchet 62 is rotated further, can the pulling forked connecting plate of ratchet 62 66 is to left movement; This moment, big connecting lever 59 can not returned original position by clockwise pulling yet because forked connecting plate 66 right-hand members have stopper slot can not spur board connective axis B68 to left movement.
The below of described spring operating mechanism wallboard has two cover dish spring groups to guarantee mechanism's operation necessary operations merit; Be respectively separating brake dish spring group 86 and combined floodgate dish spring group 77; Wherein separating brake dish spring group 77 is sleeved on the outside of separating brake dish spring tube 88; Separating brake dish spring tube 88 lower end screw threads are separating brake dish spring mounting flange 87 fixedly; The upper end welding separating brake dish spring tube adpting flange 89 of separating brake dish spring tube; Separating brake dish spring tube adpting flange 89 is bolted to the lower right of two wallboards, and separating brake dish spring flange 85 is installed on the below of the top separating brake dish spring tube adpting flange 89 of separating brake dish spring tube 88 outer separating brake dish spring groups 86, separating brake dish spring group 86 just be compressed spacing between separating brake dish spring locating flange 87 and separating brake dish spring flange 85 outside of separating brake dish spring tube 88; The lower end of separating brake connecting lever 81 installs separating brake connecting lever axle B83; Separating brake connecting lever axle B83 installs separating brake dish spring flange 85 and is through in the stopper slot of separating brake dish spring tube 88 upper ends, and separating brake connecting lever axle B83 is installed on the upper end of guide sub 84, and guide sub 84 is arranged in the separating brake dish spring tube 88; In guide sub 84 outsides and separating brake dish spring tube 88 inboards guide ring 90 is set; Make guide sub 84 outer walls and the 88 coaxial slips of separating brake dish spring tube, separating brake connecting lever axle B83 drive guide sub 84 is coaxial downwards together in 88 motions of separating brake dish spring tube with separating brake dish spring flange 85 when separating brake connecting lever 81 moves downward, thus compression separating brake dish spring group 86.
Described spring operating mechanism combined floodgate dish spring group 77 is sleeved on outside the combined floodgate dish spring tube 76; The welding of combined floodgate dish spring tube 76 upper ends is combined floodgate dish spring tube adpting flange 79 fixedly; Combined floodgate dish spring tube adpting flange 79 is fixed by bolts to the left side of the below separating brake dish spring group 86 of two wallboards again, and combined floodgate dish spring tube connection method 79 lower surfaces are the upper surface of applying combined floodgate dish spring group 77 fixedly, and combined floodgate dish spring group 77 is carried out upper limit; The upper surface of combined floodgate dish spring group 77 lower surface applying combined floodgate dish spring flanges 75; Combined floodgate dish spring flange 75 is sleeved on outside the combined floodgate dish spring tube 76, and the lower end stopper slot that combined floodgate dish spring locating shaft 74 passes combined floodgate dish spring tube 76 installs and is fixed on the combined floodgate dish spring flange 75, and combined floodgate dish spring flange 75 can be in combined floodgate dish spring tube 76 outsides and 76 coaxial the sliding up and down of combined floodgate dish spring tube; Thereby compression discharges combined floodgate dish spring group 77; Utilize lower end stopper slot and the combined floodgate dish spring locating shaft 74 of combined floodgate dish spring tube 76 to carry out up and down spacing, combined floodgate dish spring locating shaft 74 installs joint 73 in combined floodgate dish spring tube 76, the be threaded lower end of combined floodgate dish spring connecting rod 72, joint 73 upper ends; The upper end of combined floodgate dish spring connecting rod 72 installs guide roller axle 71; The guide roller axle 71 outer guide rollers 70 of installing, guide roller axle 71 is installed on the lower end of combined floodgate connecting lever 69, and combined floodgate dish spring tube 76 upper end inwalls are provided with guide rail 78; Guide rail 78 can make guide roller 70 move up and down along the axis of combined floodgate dish spring tube 76, thereby combined floodgate dish spring connecting rod 72 is moved up and down along the axis of combined floodgate dish spring tube 76.Combined floodgate connecting lever 69 drives combined floodgate connecting rod 72, joint 73, combined floodgate dish spring locating shaft 74 and combined floodgate dish spring flange 75 and move together when ratchet 62 rotates, thus compression release combined floodgate dish spring group 77.
The utility model spring operating mechanism working method:
Energy storage work: the initial condition that is illustrated in figure 1 as the utility model spring operating mechanism; When operating mechanism needs energy storage; Rotating cam axle 2, camshaft 2 drive cam 3 rotations, and cam 3 back and forth promotes energy storage roller 6 makes energy storage connecting lever 4 back and forth promote energy storage ratchet 8; Under the cooperation of energy storage ratchet torsion spring 10 and energy storage connecting lever torsion spring 11; Pawl point of energy storage ratchet 8 every reciprocating motions all can promote a ratchet on ratchet 62 circumference, and the ratchet of ratchet 62 circumference does not allow ratchet 62 to be rotated counterclockwise because the pawl point of check ratchet 14 is fitted under the cooperation of check ratchet torsion spring 16 all the time; Energy storage ratchet 8 just reciprocating motion promotion ratchet 62 turns clockwise; Fixed axis 91 on the ratchet 62 can be rotated counterclockwise the Xiang Gaodian motion, moves upward together so drive combined floodgate connecting lever 69, combined floodgate connecting rod 72, joint 73, combined floodgate dish spring locating shaft 74 and combined floodgate dish spring flange 75, because combined floodgate dish spring group 77 upper surfaces are fixed; Combined floodgate dish spring flange 75 just upwards compresses combined floodgate dish spring group 77, and this process is described spring operating mechanism thermal energy storage process.
Combined floodgate energy storage locking: the energy storage lock-out state of the utility model spring operating mechanism as shown in Figure 2; When ratchet 62 rotate make on the combined floodgate connecting lever 69 combined floodgate Roller Shaft 65 through high point after, combined floodgate roller 64 can move downward clockwise under the active force of combined floodgate dish spring group 77, combined floodgate roller 64 can be fitted in the left end draw-in groove of the sincere sub-connecting lever 25 that closes a floodgate; Impose on the power that the sincere sub-connecting lever 25 that closes a floodgate makes progress; The little combined floodgate roller 27 on the sincere sub-connecting lever 25 of closing a floodgate closes a floodgate sincere sub 21 to upper left promotion, combined floodgate semiaxis 20 can kaysers firmly closes a floodgate sincere subly 21, makes sincere sub 21 locking positions that close a floodgate; Kayser is in the left end draw-in groove of sincere sub-connecting lever 25 that closes a floodgate after making combined floodgate roller 64 through high point like this; The seat of locking combined floodgate connecting lever 69 and ratchet 62 makes the energy of combined floodgate dish spring group 77 be able to preserve, and this process is described spring operating mechanism combined floodgate energy storage locking.
Closing operation: locking (separating brake energy storage locking) state behind the combined floodgate of the utility model instance medi-spring operating mechanism as shown in Figure 3; When making electromagnet 18 energisings; The moving iron core bar of making electromagnet 18 promotes making electromagnet connecting lever 19 turns clockwise it, and making electromagnet connecting lever 19 drives 20 rotations of combined floodgate semiaxis, and the semiaxis 20 that closes a floodgate this moment gets out of the way and closes a floodgate sincere sub 21; Sincere sub 21 little combined floodgate rollers 27 of kayser no longer close a floodgate; Release under the effect of ability combined floodgate roller 64 in combined floodgate dish spring group 77 and upwards push the sincere sub-connecting lever 25 that closes a floodgate open, ratchet 62 clockwise rotates board connective axis A67 fast and promotes forked connecting plate 66 and move right, and forked connecting plate 66 promotes board connective axis B68 rotates counterclockwise big connecting lever 59; Until the spacing board connective axis B68 of forked connecting plate 66 right-hand member grooves; Big connecting lever 59 drives separating brake connecting lever 81, separating brake dish spring flange 85 moves downward compression separating brake dish spring group 86, accomplishes separating brake energy storage action, and the roller bearing 61 that rotates counterclockwise on the big connecting lever 59 when big connecting lever 59 can roll by sincere sub-connecting lever 45 right flanks of applying separating brake; When roller bearing 61 is rolled to the draw-in groove of the sincere sub-connecting lever of separating brake 45 lower ends; The sincere sub-connecting lever 45 of separating brake kayser under the effect of linkage lever is lived roller bearing 61, thereby locks the position of big connecting lever 59, output shaft 60 and separating brake dish spring group 86, accomplishes the lock out action of closing position; Big connecting lever 59 drives output shaft 60 and rotates, and output shaft 60 provides closing operation required parameter to switch.Can accomplish the compression of separating brake dish spring group 86 and two tasks of locking at combined floodgate seat in the closing operation.
Sub-switching operation: Fig. 4 is a not energy storage state generalized section (state behind initial condition or the separating brake) of the utility model instance medi-spring operating mechanism; After tripping electromagnet 35 energisings; The moving iron core bar of tripping electromagnet 35 promotes tripping electromagnet connecting lever 36 clockwise rotates it; Tripping electromagnet connecting lever 36 drives 37 rotations of separating brake semiaxis; Separating brake semiaxis 37 gets out of the way separating brake sincere sub 38 at this moment; The sincere sub-roller bearing 44 of separating brake on the separating brake sincere sub 38 is the sincere sub-connecting lever 57 of the little separating brake of kayser no longer; The power that linkage lever offers the sincere sub-connecting lever 45 of separating brake imposes on the power of the sincere sub-connecting lever 25 of separating brake again through separating brake dish spring flange 85, separating brake connecting lever 81, big connecting lever 59, roller bearing 61 less than separating brake dish spring group 86; Therefore the sincere sub-connecting lever 25 of separating brake can clockwise directions are upper left moves, and the sincere sub-connecting lever of roller bearing 61 applying separating brakes 25 lower surfaces are scrolled up, big connecting lever 59 separating brake dish spring group 86 release can act under drive output shaft 60 turn clockwise spacing until the completion of the lower surface of separating brake dish spring flange 85 upper surface applying separating brake dish spring tube adpting flanges 89; Board connective axis B68 promoted forked connecting plate 66 right-hand member grooves and makes forked connecting plate 66 to left movement when big connecting lever 59 rotated; Board connective axis A67 promotes to connect connecting lever 92 rotation drive ratchets 62 clockwise rotates ratchet 62, is parked in forked connecting plate 66 grooves left side until board connective axis B68, and output shaft 60 provides sub-switching operation required parameter to switch in the separating brake process.
Claims (6)
1. super high power spring operating mechanism, it mainly comprises wallboard (1), ratchet (62), energy storage ratchet (8), check ratchet (14), combined floodgate dish spring group and separating brake dish spring group, combined floodgate control system and separating brake control system; It is characterized in that; Two ratchets (62) utilize ratchet shaft (63) activity to be fixed in the inboard of two wallboards (1) respectively; Two wallboards (1) outside utilizes fixing respectively two of said two ratchet shafts (63) to connect connecting lever (92); Two connect connecting lever (92) and use board connective axis A (67) to connect the left end of corresponding forked connecting plate (66) respectively; The left end of this forked connecting plate (66) places two outsides that connect connecting levers (92), utilizes fixed axis (91) to install combined floodgate connecting lever (69) and is fixed in the middle of two ratchets (62), and the connecting lever (69) that promptly closes a floodgate places the inboard of two ratchets (62); Combined floodgate connecting lever (69) lower end connects combined floodgate dish spring group (77); Inboard upper end fixed axis (91) top of combined floodgate connecting lever (69) is with the fixing combined floodgate roller (64) of combined floodgate Roller Shaft (65); Combined floodgate Roller Shaft (65) and combined floodgate roller (64) place combined floodgate connecting lever (69) top inboard, and said combined floodgate roller (64) control system of being closed a floodgate drives kayser and removes kayser; The left end of forked connecting plate (66) utilizes two board connective axis A (67) to be separately fixed on the connection connecting lever (92); Two pivots that connect connecting lever (92) are fixed on the outside that places two wallboards on two ratchet shafts; Connect connecting lever (92) and the coaxial rotation of ratchet shaft (63); The right-hand member of forked connecting plate (66) has stopper slot, and the board connective axis B (68) that is utilized in the lower end setting of big connecting lever (59) is slidingly matched with stopper slot, and forked connecting plate (66) is fixed with big connecting lever (59) is movable; Big connecting lever (59) utilizes the output shaft (60) of its right-hand member to install the right side of being fixed in ratchet (62) between two wallboards (1); Big connecting lever (59) serves as that axle rotates with output shaft (60); Big connecting lever (59) left upper end is driven by the separating brake control system and accomplishes rotation; The top of separating brake connecting lever (81) utilizes separating brake connecting lever axle A (82) to install and is fixed on big connecting lever (59) left end, and the lower end of separating brake connecting lever (81) connects separating brake dish spring group (86); At the ratchet edge of two ratchets (62), be provided with the energy storage ratchet (8) that drives by rotating cam (3) and energy storage connecting lever (4) with ratchet engagement, also be provided with check ratchet (14) with ratchet engagement.
2. a kind of super high power spring operating mechanism according to claim 1; It is characterized in that, form the combined floodgate control system by the spring and the pivot pin of making electromagnet (18), making electromagnet connecting lever (19), the sincere son (21) that closes a floodgate, the sincere sub-connecting lever (25) that closes a floodgate, spring base A (30), spring base B (31) and cooperation with it; Be provided with making electromagnet (18) on wallboard (1) upper left side; Install making electromagnet connecting lever (19) on the combined floodgate semiaxis (21) and be fixed on the right side of making electromagnets (18) in the middle of two wallboards (1); The moving iron core of making electromagnet (18) is when impacting making electromagnet connecting lever (19); Drive combined floodgate semiaxis (21) rotation; Combined floodgate semiaxis (21) is provided with combined floodgate semiaxis return spring; Close a floodgate to install on the sincere son axle (22) and close a floodgate sincere son (21) and be fixed in the right side of the making electromagnet (18) between two wallboards (1); The sincere son axle (22) that closes a floodgate is provided with return with the torsion spring sincere sub-torsion spring that promptly closes a floodgate; The close a floodgate below of sincere son (21) is provided with the sincere sub-connecting lever (25) that closes a floodgate, and sincere sub-connecting lever (25) right-hand member that closes a floodgate installs the sincere sub-connecting lever axle (26) that closes a floodgate, and the sincere sub-connecting lever axle (26) that closes a floodgate installs and is fixed between two wallboards (1); Little combined floodgate Roller Shaft (28) installs the left end that little combined floodgate roller (27) is fixed on the sincere sub-connecting lever (25) that closes a floodgate; Little combined floodgate roller (27) contacts spacing or rolls with the sincere son (21) that closes a floodgate and skids off, and sincere sub-connecting lever (25) the little combined floodgate Roller Shaft of left end (28) of closing a floodgate top is provided with the sincere sub-connecting lever pin (29) that closes a floodgate, and the sincere sub-connecting lever pin (29) that closes a floodgate is threaded onto in the crescent stopper slot that is arranged between two wallboards (1) on two wallboards (1); The rotary spacing of the sincere sub-connecting lever pin (29) that the closes a floodgate restriction sincere sub-connecting lever of combined floodgate (25); The middle of sincere sub-connecting lever (25) that close a floodgate installs spring base B (31) with pivot pin B (34), installs the top that pivot pin A (33) is fixed on spring base B (31) between two wallboards (1) on the spring base A (30), is provided with the sincere sub-spring of combined floodgate (32) that makes the sincere sub-connecting lever (25) that closes a floodgate receive downward pressure between spring base A (30) and the spring base B (31); The sincere sub-connecting lever (25) that under the elastic force effect of the sincere sub-spring (32) that closes a floodgate, closes a floodgate rotates up to the back, crescent stopper slot below that the sincere sub-connecting lever pin (29) that closes a floodgate is stuck on two wallboards (1) spacing; Move upward when combined floodgate roller (64) promotes the sincere sub-connecting lever of combined floodgate (25), little combined floodgate roller (27) is pushed the sincere son (21) that closes a floodgate open, and it is spacing after the sincere sub-connecting lever pin (29) that closes a floodgate is stuck in the crescent stopper slot top on two wallboards (1) that the sincere sub-connecting lever (25) that closes a floodgate is moved upward.
3. a kind of super high power spring operating mechanism according to claim 1; It is characterized in that; Form linkage lever by the sincere sub-connecting lever of separating brake (45), the sincere sub-connecting lever of little separating brake (57), spring base C (47), spring base D (48), spring base E (49) and spring base F (50), this linkage lever adds the sincere son of separating brake (38), separating brake semiaxis (37), tripping electromagnet connecting lever (36), tripping electromagnet (35), spring and pivot pin composition separating brake control system; Be provided with tripping electromagnet (35) in wallboard (1) centre position, top; Install tripping electromagnet connecting lever (36) on the separating brake semiaxis (37) and be fixed on the below of tripping electromagnets (35) in the middle of two wallboards (1); The moving iron core of tripping electromagnet (35) impacts tripping electromagnet connecting lever (36); Drive separating brake semiaxis (37) rotation; Separating brake semiaxis (37) is provided with separating brake semiaxis return spring; Install the sincere son of separating brake (38) on the sincere son axle of separating brake (39) and be fixed in the below of separating brake semiaxis (37) between two wallboards (1), the sincere son of separating brake (38) upper end installs the sincere son pin of separating brake B (41), and the sincere son pin C of separating brake (42) is installed on the left side of the sincere son pin B of separating brake (41) between two wallboards (1); The sincere son pin A of separating brake (40) is installed on the sincere son pin B of left side separating brake (41) top of separating brake semiaxis (37) between two wallboards (1); The sincere sub-extension spring of separating brake (43) two ends are separately fixed between sincere son pin B (41) of separating brake and the sincere son pin C of separating brake (42), and the sincere son of separating brake (38) lower end installs the sincere sub-roller bearing of separating brake (44), and the sincere sub-roller bearing of separating brake (44) is fitted on the sincere sub-connecting lever of little separating brake (57) under the sincere sub-extension spring of separating brake (43) tension; The sincere sub-connecting lever of little separating brake (57) lower end installs the sincere sub-connecting lever axle of little separating brake (58) and is fixed on the lower end of the sincere sub-connecting lever of separating brake (46); The upper end of the sincere sub-connecting lever of separating brake (45) installs the sincere sub-connecting lever axle of separating brake (46), and the sincere sub-connecting lever axle of separating brake (46) is installed on the right side of tripping electromagnet (35) between two wallboards (1), and the centre of the sincere sub-connecting lever of separating brake (45) installs pivot pin C (51); On pivot pin C (51), install spring base C (47) and rolling bearing (80); Install spring base D (48) on the pivot pin D (52) and be fixed on the top of spring base A (30) between two wallboards (1), between spring base C (47) and spring base D (48), separating brake connecting lever spring (55) is set, make the reverse power of generation between spring base C (47) the spring base D (48); Thereby impose on power that the sincere sub-connecting lever of separating brake (45) is rotated counterclockwise and make rolling bearing (80) the big connecting lever (59) of fitting; Install spring base E (49) on the pivot pin E (53) and be fixed on the spring base C (47), install spring base F (50) on the pivot pin F (54) and be fixed on the sincere sub-connecting lever of little separating brake (57), between spring base E (49) and spring base F (50), the sincere sub-spring of separating brake (56) is set; The left upper end of big connecting lever (59) installs roller bearing (61), and the applying sincere sub-connecting lever of separating brake (45) rolled when roller bearing (61) rotated at big connecting lever (59).
4. a kind of super high power spring operating mechanism according to claim 1; It is characterized in that; The ratchet of mechanism (62) is with to be connected connecting lever (92) coaxial; Connect rotation synchronously with fixed axis (91) between two ratchets (62), fixed axis (91) and board connective axis A (67) are the center rotation with ratchet shaft (63), are provided with angle between fixed axis (91) and the board connective axis A (67).
5. a kind of super high power spring operating mechanism according to claim 1 is characterized in that, mechanism claims based on facing in two wallboards (1).
6. a kind of super high power spring operating mechanism according to claim 1; It is characterized in that; The forked connecting plate (66) of realizing strength transmission between combined floodgate dish spring group and the separating brake dish spring group is for U-shaped designs, and its right-hand member is provided with the stopper slot of symmetry, and the groove right-hand member is the junction of U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203998134U CN202230961U (en) | 2011-10-19 | 2011-10-19 | Oversized-power spring operating mechanism for high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203998134U CN202230961U (en) | 2011-10-19 | 2011-10-19 | Oversized-power spring operating mechanism for high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230961U true CN202230961U (en) | 2012-05-23 |
Family
ID=46081539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203998134U Expired - Lifetime CN202230961U (en) | 2011-10-19 | 2011-10-19 | Oversized-power spring operating mechanism for high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509674A (en) * | 2011-10-19 | 2012-06-20 | 王颖 | Ultra-high-power spring operating mechanism for high-voltage circuit breaker |
| CN105448559A (en) * | 2015-11-26 | 2016-03-30 | 平高集团有限公司 | Metal plate riveted joint type ratchet and spring operation mechanism using the same |
-
2011
- 2011-10-19 CN CN2011203998134U patent/CN202230961U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509674A (en) * | 2011-10-19 | 2012-06-20 | 王颖 | Ultra-high-power spring operating mechanism for high-voltage circuit breaker |
| CN102509674B (en) * | 2011-10-19 | 2014-01-08 | 王颖 | Ultra-high-power spring operating mechanism for high-voltage circuit breaker |
| CN105448559A (en) * | 2015-11-26 | 2016-03-30 | 平高集团有限公司 | Metal plate riveted joint type ratchet and spring operation mechanism using the same |
| CN105448559B (en) * | 2015-11-26 | 2018-03-02 | 平高集团有限公司 | Metal plate riveted type ratchet and the spring operating mechanism using the ratchet |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20140108 |
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