CN110571092A - Novel combined type high-voltage combined electrical apparatus - Google Patents
Novel combined type high-voltage combined electrical apparatus Download PDFInfo
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- CN110571092A CN110571092A CN201911060145.XA CN201911060145A CN110571092A CN 110571092 A CN110571092 A CN 110571092A CN 201911060145 A CN201911060145 A CN 201911060145A CN 110571092 A CN110571092 A CN 110571092A
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- 238000002955 isolation Methods 0.000 claims abstract description 52
- 239000004020 conductor Substances 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 19
- 238000009434 installation Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
Abstract
The invention relates to a novel composite high-voltage combined electrical apparatus, which comprises an L-shaped conductor, wherein a vertical inner cavity, a horizontal inner cavity and a movable inner cavity are arranged in the L-shaped conductor; an isolation moving contact is arranged in the vertical inner cavity, a first connecting rod is arranged in the isolation moving contact, and the first connecting rod is arc-shaped; a grounding moving contact is arranged in the horizontal inner cavity, a second connecting rod is arranged in the grounding moving contact, and the second connecting rod is arc-shaped; the movable inner cavity is internally provided with a driving crank arm, one side of the driving crank arm is hinged with the L-shaped conductor, and the other side of the driving crank arm is hinged with the first connecting rod and the second connecting rod respectively. The invention has the advantages that: adopt the first connecting rod and the second connecting rod of arc form to come to cooperate with drive connecting lever for the movement track of first connecting rod and second connecting rod be with drive connecting lever matched with arc orbit, avoid leading to the delay of whole electrical apparatus divide-shut brake because of the delay of motion, make the operation more smooth and easy.
Description
Technical Field
The invention belongs to the field of high-voltage power switches, and particularly relates to a novel composite high-voltage combined electrical appliance.
Background
currently, the isolation/grounding switches in the composite high-voltage combined electrical apparatus are basically standardized as separate modules, and there are single isolation switches, single grounding switches, and three-position isolation/grounding switches according to the functions in the circuit. According to the circuit function, a quick grounding switch is required to be configured, namely the quick grounding switch is in butt joint with a conventional three-station isolating/grounding switch interface, so that the weight and the height of a product are increased on one hand, and the cost of the product is also increased on the other hand.
Therefore, in view of the above phenomenon, in patent CN202736817U, a high voltage isolating/grounding switch device includes a three-position isolating/grounding switch and a fast grounding switch; the three-station isolating/grounding switch comprises an isolating fixed contact, a first grounding fixed contact and an isolating/grounding moving contact; the quick grounding switch comprises a second grounding fixed contact and a second grounding moving contact; the three-station isolation/grounding switch is arranged in the shell, and the quick grounding switch is arranged on the side wall of the shell; the isolation/grounding moving contact is arranged in the first conductor; a second conductor is fixed on the inner wall of the shell through an insulating part, and the isolation static contact and the second grounding static contact are arranged in the second conductor; the first grounding fixed contact is fixedly arranged on the cover plate on the side wall of the shell. The utility model discloses be integrated as a module with isolation earthing switch and quick earthing switch, under the condition that equally satisfies the circuit function, this compact structure, high reduction, product property can further improve when the cost reduces.
In the high-voltage isolating/grounding switch device, for the transmission between the isolating moving contact and the grounding moving contact in the three-station isolating/grounding switch, the driving connecting lever, the first connecting rod and the second connecting rod are matched with each other to realize the synchronous movement between the isolating moving contact and the grounding moving contact, in the transmission structure, the driving connecting lever swings along the hinge point between the driving connecting lever and the L-shaped conductor, the movement track is arc-shaped, and the first connecting rod and the second connecting rod are both linear rods which do linear movement during the movement, namely the movement track is linear, so that the movement tracks of the driving connecting lever, the first connecting rod and the second connecting rod are inconsistent, although the first connecting rod and the second connecting rod are hinged with the driving connecting lever, when the first connecting rod or the second connecting rod drives the driving connecting lever to move, or when the driving crank arm drives the first connecting rod or the second connecting rod to move, certain hysteresis exists, the movement is not smooth, thus the isolating switch can have certain time delay when the isolating switch is switched on and off, the smoothness of the operation of the isolating switch is influenced, in addition, the first connecting rod and the second connecting rod are in the process of action, because the linear rod structures are adopted, the phenomenon of contact friction between the end part of the inner wall of the isolating moving contact and the inner wall of the L-shaped conductor is easy to appear, and the first connecting rod and the second connecting rod are both in the linear rod structures, and the end parts are all in corner angle structures, therefore, the grounding moving contact can be scratched, the inner wall of the isolating moving contact or the inner wall of the L-shaped conductor can be avoided, and the service life of the isolating moving contact can be reduced.
Disclosure of Invention
The invention aims to provide a novel composite high-voltage combined electrical appliance which is smooth in action and capable of avoiding scratching products.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a novel combined type high voltage combined electrical apparatus, its innovation point lies in: comprises that
The L-shaped conductor is internally provided with a pair of vertical inner cavities and horizontal inner cavities which are vertically distributed, and the vertical inner cavities are communicated with the horizontal inner cavities through a movable inner cavity;
The isolation moving contact is arranged in the vertical inner cavity, a cavity is formed in the isolation moving contact, a first connecting rod which is vertically arranged is arranged in the cavity of the isolation moving contact, one side of the first connecting rod is hinged with the isolation moving contact, the other side of the first connecting rod extends out of the isolation moving contact and extends into the movable inner cavity, and the first connecting rod is arc-shaped;
A grounding moving contact is arranged in the horizontal inner cavity, a cavity is formed in the grounding moving contact, a second connecting rod which is horizontally arranged is arranged in the cavity of the grounding moving contact, one side of the second connecting rod is hinged with the grounding moving contact, the other side of the second connecting rod extends out of the grounding moving contact and extends into the movable inner cavity, and the second connecting rod is arc-shaped;
The movable connecting rod is characterized in that a driving connecting lever is installed in the movable inner cavity, one side of the driving connecting lever is hinged to the L-shaped conductor, the other side of the driving connecting lever is respectively provided with a first lug plate extending towards the direction of the isolation moving contact and a second lug plate extending towards the direction of the grounding moving contact, a first groove for accommodating the end portion of the first connecting rod is formed in the first lug plate, the end portion of the first connecting rod is hinged to the first lug plate after being embedded into the first groove, a second groove for accommodating the end portion of the second connecting rod is formed in the second lug plate, and the end portion of the second connecting rod is hinged to the second lug plate after being embedded into the second groove.
Further, the connection between the first connecting rod and the isolation moving contact is as follows: the isolating moving contact is characterized in that a first connecting rod fixing plate which is horizontally distributed is arranged in an inner cavity of the isolating moving contact, a first connecting rod mounting seat is arranged at the bottom end of the first connecting rod fixing plate, the bottom end of the first connecting rod mounting seat is hinged with the top end of the first connecting rod, a first fixing threaded connecting hole is arranged in the middle of the top end of the first connecting rod mounting seat, first guiding threaded connecting holes are respectively arranged at two sides of the first fixing threaded connecting hole on the first connecting rod mounting seat, a first fixing through hole and a first guiding through hole which correspond to the first fixing threaded connecting hole and the first guiding threaded connecting hole are arranged on the first connecting rod fixing plate, a first fixing bolt penetrates through the first fixing through hole on the first connecting rod fixing plate and then is in threaded fit with the first fixing threaded connecting hole on the first connecting rod mounting seat, and therefore fixing between the first connecting rod mounting seat and the first connecting rod fixing plate is achieved, after penetrating through the first guide through hole in the first connecting rod fixing plate, the pair of first guide screws are in threaded fit with the first guide threaded connecting hole in the first connecting rod mounting seat, so that guide limiting between the first connecting rod mounting seat and the first connecting rod fixing plate is realized.
Further, the connection between the second connecting rod and the grounding moving contact is as follows: a second connecting rod fixing plate which is vertically distributed is arranged in the inner cavity of the grounding moving contact, a second connecting rod mounting seat is arranged on one side of the second connecting rod fixing plate close to the movable inner cavity, the side end of the second connecting rod mounting seat is hinged with one side of the second connecting rod far away from the movable inner cavity, a second fixed threaded connecting hole is arranged in the middle position of one side of the second connecting rod mounting seat far away from the movable inner cavity, second guide threaded connecting holes are respectively arranged on two sides of the second fixed threaded connecting hole on the second connecting rod mounting seat, a second fixing through hole and a second guide through hole which correspond to the second fixed threaded connecting hole and the second guide threaded connecting hole are arranged on the second connecting rod fixing plate, and a second fixing bolt passes through the second fixing through hole on the second connecting rod fixing plate and then is in threaded fit with the second fixed threaded connecting hole on the second connecting rod mounting seat, thereby realizing the fixation between the second connecting rod mounting seat and the second connecting rod fixing plate, the pair of second guide screws penetrate through the second guide through holes in the second connecting rod fixing plate and then are in threaded fit with the second guide threaded connecting holes in the second connecting rod mounting seat, and therefore guide limiting between the second connecting rod mounting seat and the second connecting rod fixing plate is achieved.
Furthermore, two sides of the bottom end of the isolation moving contact are provided with first openings for accommodating horizontal swinging of the first connecting rod, and the upper side and the lower side of one side of the grounding moving contact close to the movable inner cavity are provided with second openings for accommodating vertical swinging of the second connecting rod.
Furthermore, a plurality of first elastic expansion members are arranged between the outer wall of the isolation moving contact and the L-shaped conductor, and a plurality of second elastic expansion members are arranged between the grounding moving contact and the L-shaped conductor.
The invention has the advantages that: in the invention, the arc-shaped first connecting rod and the arc-shaped second connecting rod are matched with the driving crank arm, so that the movement tracks of the first connecting rod and the second connecting rod are arc-shaped tracks matched with the driving crank arm, and the isolation moving contact and the grounding moving contact move, so that the whole device is smoother, the delay of the opening and closing of the whole electric appliance caused by the delay of the movement is avoided, and the whole device runs more smoothly; and first connecting rod and second connecting rod adopt the curved design, even when contacting with isolation moving contact, ground connection moving contact, L type conductor, can not cause the fish tail yet, guarantee its life.
to being connected between first connecting rod and the isolation moving contact, what all adopted is the connecting rod fixed plate between second connecting rod and the ground connection moving contact, the connecting rod fixing base, cooperation between the fixing bolt, thereby realized first connecting rod and isolation moving contact, detachable connection between second connecting rod and the ground connection moving contact is fixed, made things convenient for first connecting rod, the fixed of second connecting rod, in addition, adopt guide bolt's cooperation, thereby when the installation, to the relative position between first connecting rod and the isolation moving contact, relative position between second connecting rod and the ground connection moving contact leads spacingly, ensure the accuracy of mounted position.
The arrangement of the first opening on the isolation moving contact and the second opening on the grounding moving contact is matched with the movement of the first connecting rod and the second connecting rod, so that the isolation moving contact or the grounding moving contact is prevented from being touched when the first connecting rod and the second connecting rod move, and the smooth operation is ensured.
The elastic expansion parts arranged between the isolation moving contact and the L-shaped conductor and between the grounding moving contact and the L-shaped conductor are used for ensuring the fixation of the relative positions between the isolation moving contact and the L-shaped conductor and between the grounding moving contact and the L-shaped conductor, and avoiding slight relative motion between the isolation moving contact or the grounding moving contact and the L-shaped conductor when the isolation moving contact or the grounding moving contact and the L-shaped conductor do not act so as to influence the work of the whole electric appliance.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the novel composite high-voltage combined electrical apparatus of the invention.
Fig. 2 is a side view of the novel hybrid high-voltage combined electrical apparatus of the present invention.
Fig. 3 is a sectional view B-B of fig. 2.
Fig. 4 is an internal schematic view of the novel composite high-voltage combined electrical apparatus of the invention.
Detailed Description
the following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The novel composite high-voltage combined electrical apparatus shown in fig. 1-4 comprises
An L-shaped conductor 1, a pair of vertical inner cavities and horizontal inner cavities which are mutually perpendicular and distributed are arranged in the L-shaped conductor 1, and the vertical inner cavities are communicated with the horizontal inner cavities through a movable inner cavity 2.
Install isolation moving contact 3 in vertical inner chamber, have a cavity 31 in isolation moving contact 3, install the first connecting rod 32 of a vertical setting in the cavity of isolation moving contact 3, one side of first connecting rod 32 forms with isolation moving contact 3 is articulated, the opposite side of first connecting rod 32 stretches out isolation moving contact 3 and outside and stretch into to activity inner chamber 2, first connecting rod 32 is the arc form.
The connection between the first connecting rod 32 and the isolating movable contact 3 is as follows: have a horizontal distribution's first link fixed plate 33 in the inner chamber of isolation moving contact 3, be provided with first link mount pad 34 in the bottom of first link fixed plate 33, it is articulated to form between the bottom of first link mount pad 34 and the top of first link 32, and it connects specifically to be: have a cavity that holds the top of first link 32 and stretch into in the bottom of first link mount pad 34, install a first rotation axis at the top of first link 32, have the through-hole that holds first rotation axis activity embedding installation corresponding with first rotation axis simultaneously on the both sides wall of the cavity of first link mount pad 34, the top of first link 32 stretches into in the cavity of first link mount pad 34 bottom back, the first rotation axis of first link 32 imbeds respectively in the through-hole of first link mount pad 34, thereby realized the articulated cooperation between first link 32 and the first link mount pad 34.
the middle position of the top end of the first connecting rod mounting seat 34 is provided with a first fixed threaded connecting hole, two sides of the first fixed threaded connecting hole on the first connecting rod mounting seat 34 are respectively provided with a first guide threaded connecting hole, the size of the first fixed threaded connecting hole is larger than that of the first guide threaded connecting hole, the first connecting rod fixing plate 33 is provided with a first fixing through hole and a first guide through hole which correspond to the first fixed threaded connecting hole and the first guide threaded connecting hole, the first fixing through hole and the first guide through hole on the first connecting rod fixing plate 33 are in threaded fit after a first fixing bolt 35 passes through the first fixing through hole on the first connecting rod fixing plate 33, so that the first connecting rod mounting seat 34 and the first connecting rod fixing plate 33 are fixed, and are in threaded fit with the first guide threaded connecting hole on the first connecting rod mounting seat 34 after a pair of first guide screws 36 passes through the first guide through holes on the first connecting rod fixing plate 33, thereby achieving the guiding limit between the first link installation seat 34 and the first link fixing plate 33.
What adopt to being connected between first link 32 and the isolation moving contact 3 is first link fixed plate 33, first link fixing base 34, cooperation between first fixing bolt 35, thereby realized that detachable connection between first link 32 and the isolation moving contact 3 is fixed, made things convenient for first link 32 fixed, in addition, adopt the cooperation of first guiding bolt 35, thereby when the installation, it is spacing to lead to the relative position between first link 32 and the isolation moving contact 3, ensure the accuracy of first link 32 mounted position.
In the mounting, first, the first link 32 and the first link mounting seat 34 are connected, and the first guide bolt 36 is screwed and fixed with the first guide screw coupling hole of the first link mounting seat 34, then, the first connecting rod mounting seat 34 equipped with the first connecting rod 32 is extended from one side of the isolated movable contact 3 into the cavity of the isolated movable contact 3, until the end of the first link mounting seat 34 abuts against the end of the first link fixing plate 33 in the isolated movable contact 3, at which time, to ensure that the first guide bolt 36 extends into the first guide through hole in the first link fixing plate 33, then, the other side of the isolated movable contact 3 passes through the first fixing through hole on the first connecting rod fixing plate 33 through a first guide bolt 35 and then is fixed with the first fixing threaded connecting hole on the first connecting rod mounting seat 34 through threads, thereby completing the mounting between the first connecting rod 32 and the isolated movable contact 3.
Install ground connection moving contact 4 in the horizontal inner chamber, have a cavity 41 in the ground connection moving contact 4, install the second connecting rod 42 that a level set up in the cavity of ground connection moving contact 4, one side of second connecting rod 42 forms with ground connection moving contact 4 is articulated, and the opposite side of second connecting rod 42 stretches out ground connection moving contact 4 outside and stretch into activity inner chamber 2, and second connecting rod 42 is the arc form.
The connection between the second connecting rod 42 and the grounding moving contact 4 is as follows: have a vertical distribution's second connecting rod fixed plate 43 in the inner chamber of ground contact 4, be provided with second connecting rod mount pad 44 in one side that second connecting rod fixed plate 43 is close to activity inner chamber 2, the side of second connecting rod mount pad 44 and the articulated one side of keeping away from activity inner chamber 2 of second connecting rod 42 form, and its connection specifically is: a cavity into which the second connecting rod 42 extends is formed in the side end of the second connecting rod mounting seat 44, a second rotating shaft is mounted at the side end of the second connecting rod 42, meanwhile, through holes corresponding to the second rotating shaft and used for movably embedding the second rotating shaft are formed in two side walls of the cavity of the second connecting rod mounting seat 44, after the top end of the second connecting rod 42 extends into the cavity at the side end of the second connecting rod mounting seat 44, the second rotating shaft of the second connecting rod 42 is respectively embedded into the through holes of the second connecting rod mounting seat 44, and therefore the hinged fit between the second connecting rod 42 and the second connecting rod mounting seat 44 is achieved.
A second fixing threaded connection hole is arranged in the middle of one side of the second connecting rod installation seat 44, which is far away from the movable inner cavity 2, a second guiding threaded connection hole is respectively arranged on two sides of the second fixing threaded connection hole on the second connecting rod installation seat 44, a second fixing through hole and a second guiding through hole which are corresponding to the second fixing threaded connection hole and the second guiding threaded connection hole are arranged on the second connecting rod fixing plate 43, a second fixing bolt 45 penetrates through the second fixing through hole on the second connecting rod fixing plate 43 and then is in threaded fit with the second fixing threaded connection hole on the second connecting rod installation seat 44, so that the second connecting rod installation seat 44 and the second connecting rod fixing plate 43 are fixed, and a pair of second guiding screws 46 penetrates through the second guiding through holes on the second connecting rod fixing plate 43 and then is in threaded fit with the second guiding threaded connection hole on the second connecting rod installation seat 44, thereby realizing the guiding and limiting between the second connecting rod mounting seat 44 and the second connecting rod fixing plate 43. What adopt to be connected between second connecting rod 42 and the ground connection moving contact 4 is the cooperation between second connecting rod fixed plate 43, second connecting rod fixing base 44, second fixing bolt 45, thereby realized that the detachable connection between second connecting rod 42 and the ground connection moving contact 4 is fixed, made things convenient for the fixed of second connecting rod, in addition, adopt the cooperation of second guide bolt 46, thereby when the installation, to leading spacing to the relative position between second connecting rod 42 and the ground connection moving contact 4, ensure the accuracy of mounted position. The mounting for the second link 42 is similar to the mounting for the first link 32 and will not be described in detail herein.
install drive connecting lever 5 in activity inner chamber 2, articulated forming between one side of drive connecting lever 5 and the L shape conductor 1, its connection is: one side that links to each other at drive connecting lever 5 and L shape conductor 1 has a hexagon connecting hole, installs a hexagon action bars in the hexagon connecting hole, and the one end of hexagon action bars stretches out from the lateral wall of L shape conductor 1 to link to each other with the operating mechanism of electrical apparatus, thereby drive connecting lever 5 and swing, clearance fit between the other end of hexagon action bars and another lateral wall of L shape conductor 1, this clearance fit can adopt the cooperation of bearing and bearing frame to realize.
The other side of the driving crank arm 5 is respectively provided with a first lug plate 52 extending towards the direction of the isolating moving contact 3 and a second lug plate 53 extending towards the direction of the grounding moving contact 4, the first lug plate 52 is provided with a first groove for embedding the end part of the first connecting rod 32, the end part of the first connecting rod 32 is embedded into the first groove and then hinged with the first lug plate 52, the second lug plate 53 is provided with a second groove for embedding the end part of the second connecting rod 42, the end part of the second connecting rod 42 is embedded into the second groove and then hinged with the second lug plate 53, the circle of the arc-shaped line of the first connecting rod 32, the circle of the arc-shaped line of the second connecting rod 42 and the circle of the motion track of the driving crank arm 5 are the same circle center, and the design is adopted, so that when the driving crank arm 5 swings, the first connecting rod 32 and the second connecting rod 42 can move along the same track as the driving crank arm 5, thereby ensuring smooth operation.
First openings 37 for accommodating horizontal swing of the first connecting rods 32 are formed on two sides of the bottom end of the isolating moving contact 3, and second openings 47 for accommodating vertical swing of the second connecting rods 42 are formed on the upper side and the lower side of one side of the grounding moving contact 4 close to the movable inner cavity 2. The arrangement of the first opening 37 on the isolating movable contact 3 and the second opening 47 on the grounding movable contact 4 is to match the movement of the first link 32 and the second link 42, so as to ensure that no shielding object exists on the movement tracks of the first link 32 and the second link 42, avoid touching the isolating movable contact 3 or the grounding movable contact 4 when the first link 32 and the second link 42 move, and ensure smooth operation.
Still be provided with the first elasticity of several and expand the tight piece 38 between the outer wall of isolation moving contact 3 and L type conductor 1, it has the first annular groove of holding each first elasticity to expand the tight piece 38 one-to-one embedding installation to open on the inner wall of L type conductor 1 simultaneously, still be provided with the second elasticity of several and expand the tight piece 48 between ground moving contact 4 and the L type conductor 1, it has the second annular groove of holding each second elasticity to expand the tight piece 48 one-to-one embedding installation to open on the inner wall of L type conductor 1 simultaneously. For the first elastic expanding member 38 and the second elastic expanding member 48 arranged between the isolation moving contact 3 and the L-shaped conductor 1 and between the grounding moving contact 4 and the L-shaped conductor 1, the relative position between the isolation moving contact 3 and the L-shaped conductor 1 and the relative position between the grounding moving contact 4 and the L-shaped conductor 1 are fixed by utilizing the contraction action of the first elastic expanding member 38 and the second elastic expanding member 48, so that the isolation moving contact 3 or the grounding moving contact 4 is prevented from slight movement when the isolation moving contact 3 and the grounding moving contact 4 do not move, and the work of the whole electrical appliance is not influenced.
In the combined electrical apparatus of the invention, the arc-shaped first connecting rod 32 and the arc-shaped second connecting rod 42 are adopted to be matched with the driving crank arm 5, so that the motion tracks of the first connecting rod 32 and the second connecting rod 42 are the arc-shaped tracks matched with the driving crank arm 5, the isolated moving contact 3 and the grounding moving contact 4 act, the whole body is smoother, the delay of the opening and closing of the whole electrical apparatus caused by the delay of the motion is avoided, the whole operation is smoother, and the arc-shaped design is adopted for the first connecting rod 32 and the second connecting rod 42, so that even if an accident occurs, when the first connecting rod 32 and the second connecting rod 42 are contacted with the isolated moving contact 3, the moving contact grounding 4 or the L-shaped conductor 1, the isolated moving contact 3, the grounding moving contact 4 or the L-shaped conductor 1 cannot be scratched due to the arc-shaped design of the first connecting rod 32 and the second connecting rod 42, and the isolated moving, The service life of the grounding moving contact 4 or the L-shaped conductor 1.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A novel combined type high-voltage combined electrical apparatus is characterized in that: comprises that
The L-shaped conductor is internally provided with a pair of vertical inner cavities and horizontal inner cavities which are vertically distributed, and the vertical inner cavities are communicated with the horizontal inner cavities through a movable inner cavity;
The isolation moving contact is arranged in the vertical inner cavity, a cavity is formed in the isolation moving contact, a first connecting rod which is vertically arranged is arranged in the cavity of the isolation moving contact, one side of the first connecting rod is hinged with the isolation moving contact, the other side of the first connecting rod extends out of the isolation moving contact and extends into the movable inner cavity, and the first connecting rod is arc-shaped;
A grounding moving contact is arranged in the horizontal inner cavity, a cavity is formed in the grounding moving contact, a second connecting rod which is horizontally arranged is arranged in the cavity of the grounding moving contact, one side of the second connecting rod is hinged with the grounding moving contact, the other side of the second connecting rod extends out of the grounding moving contact and extends into the movable inner cavity, and the second connecting rod is arc-shaped;
the movable connecting rod is characterized in that a driving connecting lever is installed in the movable inner cavity, one side of the driving connecting lever is hinged to the L-shaped conductor, the other side of the driving connecting lever is respectively provided with a first lug plate extending towards the direction of the isolation moving contact and a second lug plate extending towards the direction of the grounding moving contact, a first groove for accommodating the end portion of the first connecting rod is formed in the first lug plate, the end portion of the first connecting rod is hinged to the first lug plate after being embedded into the first groove, a second groove for accommodating the end portion of the second connecting rod is formed in the second lug plate, and the end portion of the second connecting rod is hinged to the second lug plate after being embedded into the second groove.
2. The new hybrid high voltage composite of claim 1, wherein: the connection between the first connecting rod and the isolation moving contact is as follows: the isolating moving contact is characterized in that a first connecting rod fixing plate which is horizontally distributed is arranged in an inner cavity of the isolating moving contact, a first connecting rod mounting seat is arranged at the bottom end of the first connecting rod fixing plate, the bottom end of the first connecting rod mounting seat is hinged with the top end of the first connecting rod, a first fixing threaded connecting hole is arranged in the middle of the top end of the first connecting rod mounting seat, first guiding threaded connecting holes are respectively arranged at two sides of the first fixing threaded connecting hole on the first connecting rod mounting seat, a first fixing through hole and a first guiding through hole which correspond to the first fixing threaded connecting hole and the first guiding threaded connecting hole are arranged on the first connecting rod fixing plate, a first fixing bolt penetrates through the first fixing through hole on the first connecting rod fixing plate and then is in threaded fit with the first fixing threaded connecting hole on the first connecting rod mounting seat, and therefore fixing between the first connecting rod mounting seat and the first connecting rod fixing plate is achieved, after penetrating through the first guide through hole in the first connecting rod fixing plate, the pair of first guide screws are in threaded fit with the first guide threaded connecting hole in the first connecting rod mounting seat, so that guide limiting between the first connecting rod mounting seat and the first connecting rod fixing plate is realized.
3. The new hybrid high voltage composite of claim 1, wherein: the second connecting rod is connected with the grounding moving contact in a way that: a second connecting rod fixing plate which is vertically distributed is arranged in the inner cavity of the grounding moving contact, a second connecting rod mounting seat is arranged on one side of the second connecting rod fixing plate close to the movable inner cavity, the side end of the second connecting rod mounting seat is hinged with one side of the second connecting rod far away from the movable inner cavity, a second fixed threaded connecting hole is arranged in the middle position of one side of the second connecting rod mounting seat far away from the movable inner cavity, second guide threaded connecting holes are respectively arranged on two sides of the second fixed threaded connecting hole on the second connecting rod mounting seat, a second fixing through hole and a second guide through hole which correspond to the second fixed threaded connecting hole and the second guide threaded connecting hole are arranged on the second connecting rod fixing plate, and a second fixing bolt passes through the second fixing through hole on the second connecting rod fixing plate and then is in threaded fit with the second fixed threaded connecting hole on the second connecting rod mounting seat, thereby realizing the fixation between the second connecting rod mounting seat and the second connecting rod fixing plate, the pair of second guide screws penetrate through the second guide through holes in the second connecting rod fixing plate and then are in threaded fit with the second guide threaded connecting holes in the second connecting rod mounting seat, and therefore guide limiting between the second connecting rod mounting seat and the second connecting rod fixing plate is achieved.
4. The new hybrid high voltage composite of claim 1, wherein: the two sides of the bottom end of the isolation moving contact are provided with first openings for accommodating horizontal swinging of the first connecting rod, and the upper side and the lower side of one side of the grounding moving contact close to the movable inner cavity are provided with second openings for accommodating vertical swinging of the second connecting rod.
5. The new hybrid high voltage composite of claim 1, wherein: still be provided with the first elasticity of several and expand the tight piece between the outer wall of isolation moving contact and the L type conductor, still be provided with the second elasticity of several and expand the tight piece between ground connection moving contact and the L type conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911060145.XA CN110571092A (en) | 2019-11-01 | 2019-11-01 | Novel combined type high-voltage combined electrical apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911060145.XA CN110571092A (en) | 2019-11-01 | 2019-11-01 | Novel combined type high-voltage combined electrical apparatus |
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| CN110571092A true CN110571092A (en) | 2019-12-13 |
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| CN201911060145.XA Pending CN110571092A (en) | 2019-11-01 | 2019-11-01 | Novel combined type high-voltage combined electrical apparatus |
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| CN (1) | CN110571092A (en) |
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| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN114446700A (en) * | 2021-12-22 | 2022-05-06 | 平高集团有限公司 | Double-break isolating switch |
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| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN114446700A (en) * | 2021-12-22 | 2022-05-06 | 平高集团有限公司 | Double-break isolating switch |
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