CN107887832B - Direct-pushing type metal closed switch cabinet and elastic clamping connector - Google Patents
Direct-pushing type metal closed switch cabinet and elastic clamping connector Download PDFInfo
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- CN107887832B CN107887832B CN201710186851.3A CN201710186851A CN107887832B CN 107887832 B CN107887832 B CN 107887832B CN 201710186851 A CN201710186851 A CN 201710186851A CN 107887832 B CN107887832 B CN 107887832B
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- 239000002184 metal Substances 0.000 title abstract description 8
- 238000003825 pressing Methods 0.000 claims description 111
- 238000005452 bending Methods 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to the technical field of circuit breakers, in particular to a direct-push type metal closed switch cabinet and an elastic clamping connector. The contact system is in a sliding connection mode, the first connecting piece is electrically connected with the lower terminal after the handcart type circuit breaker is pushed into the switch chamber, correction butt joint is not needed, and the assembly process is simple and convenient.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a direct-push type metal closed switch cabinet and an elastic clamping connector.
Background
The prior solid insulation ring main unit cabinet structure is characterized in that when an internal working unit is required to be overhauled, the cabinet body is required to be detached integrally, time and labor are wasted, especially when the breaker is overhauled, the cabinet body is required to be detached, then the breaker is detached, assembly and maintenance are both time and labor wasted, the workload of maintenance personnel is large, and the maintenance is complex, therefore, the technical staff in the field propose a removable metal closed switch cabinet, the solid insulation ring main unit cabinet structure comprises a cabinet body, a switch chamber is arranged in the cabinet body, an upper terminal is arranged above the switch chamber, a lower terminal is arranged on one side of the switch chamber, a handcart type breaker is detachably arranged in the switch chamber, the handcart type breaker comprises a vacuum arc-extinguishing chamber and a breaker operating mechanism, the vacuum arc-extinguishing chamber and the breaker operating mechanism are integrated on a frame, a fixed contact of the vacuum arc-extinguishing chamber is electrically connected with a first contact, the first contact of the vacuum arc-extinguishing chamber is electrically connected with a second contact, the first contact transversely moves to establish electrical connection with the lower terminal, and the second contact vertically moves out of the switch chamber to establish electrical connection with the upper terminal, and the handcart type breaker can be integrally moved out of the switch chamber to facilitate the switch cabinet, but the overhauling still has the problems below the switch chamber are solved: 1. the first contact needs to transversely move to establish electrical connection with the lower terminal, and the structure is complex and the manufacturing cost is high; 2. the transverse movement is easy to make mistakes when in butt joint, repeated correction, alignment and grafting are needed, and the assembly is troublesome and the efficiency is low; 3. the position of the second contact needs to be considered when the abutting joint is transversely moved, so that the second contact can be opposite to the upper terminal position for vertical sliding connection.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a direct-push type metal closed switch cabinet, and solves the problems that the assembly of the traditional movable switch cabinet is easy to make mistakes and the efficiency is low.
In order to achieve the purpose of the invention, the technical scheme adopted is as follows:
The invention discloses a direct-push type metal-enclosed switch cabinet, which comprises a cabinet body, wherein a switch chamber is arranged in the cabinet body, an upper terminal is arranged above the switch chamber, a lower terminal is arranged on one side of the switch chamber, a handcart type circuit breaker is detachably arranged in the switch chamber, the handcart type circuit breaker comprises a vacuum arc-extinguishing chamber, a circuit breaker operating mechanism and a frame, the vacuum arc-extinguishing chamber and the circuit breaker operating mechanism are integrated on the frame, a first contact of the vacuum arc-extinguishing chamber is electrically connected with a first connecting piece, the first connecting piece is electrically connected with the lower terminal through a sliding electric connection structure, the sliding electric connection structure comprises an elastic clamping joint electrically connected with the lower terminal, and when the frame is slidably arranged in the switch chamber, the first connecting piece is slidably clamped in the corresponding elastic clamping joint.
The second contact of the vacuum arc-extinguishing chamber is electrically connected with a second connecting piece, the second connecting piece is electrically connected with an upper terminal through an isolation knife, the isolation knife is driven to move up and down by an isolation knife operating mechanism, the isolation knife operating mechanism comprises a sliding beam, vertical screws and a driving assembly, the vertical screws are arranged at two ends of the sliding beam, the two ends of the sliding beam are in threaded fit with the vertical screws, the driving assembly drives the sliding beam to move vertically through the vertical screws, the sliding beam drives the isolation knife to move vertically, and when the sliding beam moves to the highest limit, the isolation knife and the upper terminal vertically establish sliding contact electrical connection.
The elastic clamping connector comprises two side plates, an upper pressing plate group and a lower pressing plate group are arranged between the two side plates, the upper pressing plate group and the lower pressing plate group are movably arranged on the side plates to form movable bayonets, the upper pressing plate group and the lower pressing plate group are connected through elastic connecting pieces, and the reset force of the elastic connecting pieces acts on the upper pressing plate group and the lower pressing plate group to clamp the first connecting pieces.
The upper pressing sheet group is composed of a plurality of parallel pressing sheets, two ends of each pressing sheet are respectively provided with a vertical sliding groove, a plurality of vertical sliding grooves at the same end are connected in a penetrating manner through a pin shaft, two ends of the pin shaft are fixed on the side plate, the pressing sheets can vertically slide relative to the pin shaft, the structure and the mounting structure of the lower pressing sheet group are the same as those of the upper pressing sheet group, and the upper pressing sheet group and the lower pressing sheet group form a movable bayonet.
A plurality of through grooves are formed between two vertical sliding grooves of each pressing piece, a U-shaped connecting piece is arranged between at least two adjacent pressing pieces, two ends of each U-shaped connecting piece extend out of the corresponding through grooves to form clamping protrusions, the clamping protrusions extend into the corresponding through grooves, one end of each elastic connecting piece is connected to the bending part of each U-shaped connecting piece of the upper pressing piece group, and the other end of each elastic connecting piece is connected to the bending part of each U-shaped connecting piece of the lower pressing piece group.
The sliding connection part of the first connecting piece is a contact arm which slides into the switch chamber along with the frame and is clamped between the upper pressing piece group and the lower pressing piece group in a sliding way, and the upper pressing piece group and the lower pressing piece group bite the contact arm under the action of the reset force of the elastic connecting piece.
The cabinet body is internally provided with a cable chamber, the cable chamber is positioned below the switch chamber, a cable assembly is arranged in the cable chamber, the cable assembly comprises a lower outgoing cable, one end of the lower outgoing cable is electrically connected with the lower terminal, and the other end of the lower outgoing cable is provided with a cable connector.
The upper panel is arranged above the cable chamber, the guide rail is arranged above the upper panel, the roller is arranged at the bottom of the frame and is matched with the guide rail, and the handcart type circuit breaker is arranged in the switch chamber along the guide rail.
The invention also provides an elastic clamping connector which is used for the direct-pushing type metal closed switch cabinet, the elastic clamping connector comprises two side plates, an upper pressing sheet group and a lower pressing sheet group are arranged between the two side plates, the upper pressing sheet group consists of a plurality of parallel pressing sheets, two ends of each pressing sheet are respectively provided with a vertical sliding groove, a plurality of vertical sliding grooves at the same end are connected in a penetrating manner through a pin shaft, two ends of the pin shaft are fixed on the side plates, the structure of the lower pressing sheet group and the mounting structure of the lower pressing sheet group are the same as those of the upper pressing sheet group, the upper pressing sheet group and the lower pressing sheet group form a movable bayonet, and the upper pressing sheet group and the lower pressing sheet group are connected through an elastic connecting piece to provide the biting force of the upper pressing sheet group and the lower pressing sheet group.
A plurality of through grooves are formed between two vertical sliding grooves of each pressing piece, a U-shaped connecting piece is arranged between at least two adjacent pressing pieces, two ends of each U-shaped connecting piece extend out of the corresponding through grooves to form clamping protrusions, the clamping protrusions extend into the corresponding through grooves, one end of each elastic connecting piece is connected to the bending part of each U-shaped connecting piece of the upper pressing piece group, and the other end of each elastic connecting piece is connected to the bending part of each U-shaped connecting piece of the lower pressing piece group.
The direct-pushing type metal closed switch cabinet and the elastic clamping connector have the beneficial effects that:
1. The direct-push type metal-enclosed switchgear is a combined switchgear body with mutually independent modules, namely, the switchgear chamber and the cable chamber are mutually independent, an instrument chamber can be additionally arranged according to specific requirements, the instrument chamber is also independent of the modules, and when overhauling, only the corresponding module, particularly the switchgear chamber part, is required to be disassembled and assembled, and the disassembly and assembly efficiency is greatly improved by adopting the handcart type circuit breaker;
2. the contact system is in a sliding connection mode, the first connecting piece is electrically connected with the lower terminal after the handcart type circuit breaker is pushed into the switch chamber, correction and butt joint are not needed, and the assembly process is simple and convenient;
3. The structure of transverse movement adjustment is omitted, the structure is simplified, and the production cost is reduced.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of the overall structure of a direct-push metal-enclosed switchgear of the present embodiment;
fig. 2 is a schematic structural view of the cart-type circuit breaker of the present embodiment;
fig. 3 is an assembled schematic view of the cart-type circuit breaker of the present embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the elastic clamping head of the present embodiment;
fig. 6 is a schematic view of the mounting structure of the upper and lower compression sheet groups of the present embodiment;
FIG. 7 is a schematic view of the mounting structure of the elastic connector of the present embodiment;
FIG. 8 is a schematic view of the mounting structure of the U-shaped connector of the present embodiment;
fig. 9 is a schematic structural view of the tablet according to the present embodiment;
fig. 10 is a schematic structural view of the vertical sliding contact structure of the present embodiment.
Wherein: the vacuum interrupter comprises a cabinet body 1, a vacuum interrupter 2, a breaker operating mechanism 3, an elastic clamping connector 4, side plates 41, a pressing piece 42, a vertical sliding groove 421, a through groove 422, a U-shaped connecting piece 43, an elastic connecting piece 44, a frame 5, a contact arm 6, a cable connector 7, a guide rail 8, a vertical screw 91 and a sliding beam 92.
Detailed Description
In the description of the present invention, it should be understood that the terms "radial," "axial," "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-2, the direct-push type metal-enclosed switchgear of this embodiment includes the cabinet body 1, be equipped with the switch chamber in the cabinet body 1, the top of switch chamber is equipped with the upper terminal, one side of switch chamber is equipped with the lower terminal, install the handcart-type circuit breaker in the switch chamber detachably, the handcart-type circuit breaker includes vacuum interrupter 2, circuit breaker operating device 3 and frame 5, vacuum interrupter 2 and circuit breaker operating device 3 integrate on frame 5, the direct-push type metal-enclosed switchgear of this embodiment is the mutually independent combination formula switch cabinet body of each module, switch chamber and cable chamber are mutually independent, of course still can install the instrument room additional according to specific needs, the instrument room also can be independent with each module, only need dismouting corresponding module when the maintenance, especially switch chamber part, often need be overhauld, and the dismouting efficiency has been improved greatly to adopt handcart-type circuit breaker.
In order to further improve the dismounting efficiency, the embodiment provides a novel contact system connection mode, specifically, the arc extinguishing medium of the vacuum arc extinguishing chamber 2 selects vacuum medium, the fixed sealed vacuum arc extinguishing chamber is adopted, the first contact and the second contact are located in the vacuum arc extinguishing chamber 2 to form a contact system, one of the first contact and the second contact is a moving contact, the other one of the first contact and the second contact is a fixed contact, the first contact is taken as the moving contact in the embodiment, the second contact is taken as the fixed contact as an example, the first contact is electrically connected with the first connecting piece through the moving conducting rod, specifically, the first connecting piece is sleeved on the moving conducting rod, the first connecting piece is fixed on the shell of the vacuum arc extinguishing chamber 2, the moving conducting rod can slide up and down freely relative to the first connecting piece, the moving conducting rod pushes the first contact to slide up and down under the action of the operating mechanism, and the first connecting piece and the moving conducting rod always keeps electrical connection in the splitting and combining process. The first connecting piece and the lower terminal are electrically connected by adopting a sliding electric connection structure, the sliding electric connection structure comprises an elastic clamping connector 4 electrically connected with the lower terminal, and when the frame 5 is slidably arranged in the switch chamber, the first connecting piece is slidably clamped into the corresponding elastic clamping connector 4.
The second contact of the vacuum interrupter 2 of this embodiment adopts vertical sliding contact structure to establish electric connection with the upper terminal, constitutes complete control protection circuit from this, but the contact system of this embodiment is sliding connection mode, and first connecting piece just establishes electric connection with lower terminal after handcart-type circuit breaker pushes into the switch room, need not to correct the butt joint, and the assembly process is simple and convenient.
As shown in fig. 3-9, the sliding electrical connection structure of the present embodiment may be implemented by using a variety of existing sliding connection structures, for example, the elastic clamping connector 4 is designed as a protrusion connector with a telescopic force, the structure is similar to the bead elastic connection piece 44, and the first connection piece abuts against the protrusion connector against the telescopic force, so as to implement electrical connection, or the sliding electrical connection structure directly uses a conductor with a groove, so that the first connection piece slides into the groove to form electrical connection, and the sliding electrical connection structure of the present embodiment can be variously modified, but obvious modifications extended from the spirit of the present invention remain within the scope of the present invention.
In addition, this embodiment also provides an elastic clamping connector that connects fast and connection performance is good, the elastic clamping connector 4 of this embodiment includes two curb plates 41, be equipped with preforming group and lower preforming group between two curb plates 41, go up preforming group and lower preforming group movable mounting and form movable bayonet socket on curb plate 41, concretely, go up preforming group and constitute by a plurality of preforming 42 side by side, the both ends of every preforming 42 all are equipped with vertical spout 421, a plurality of vertical spouts 421 that are located same one end pass through the round pin axle and connect, the both ends of round pin axle are fixed to on the curb plate 41, a plurality of preforming 42 can vertically slide for the round pin axle, lower preforming group's structure and mounting structure are the same with last preforming group, go up preforming group and lower preforming group form movable bayonet socket from this.
In order to enable the upper and lower pressing plate groups to bite the first connecting member, the upper and lower pressing plate groups are connected by the elastic connecting member 44, a restoring force of the elastic connecting member 44 acts on the upper and lower pressing plate groups to bite the first connecting member, and in this embodiment, a plurality of through slots 422 are formed between two vertical sliding slots 421 of the pressing plates 42, a U-shaped connecting member 43 is formed between each two adjacent pressing plates 42, two ends of the U-shaped connecting member 43 extend out of the clamping protrusions toward the corresponding through slots 422, the clamping protrusions extend into the corresponding through slots 422, one end of the elastic connecting member 44 is connected to a bending portion of the U-shaped connecting member 43 of the upper pressing plate group, the other end of the elastic connecting member 44 is connected to a bending portion of the U-shaped connecting member 43 of the lower pressing plate group, and the plurality of U-shaped connecting members 43 enable the pressing plates 42 to form a group capable of simultaneously moving up and down, so that the plurality of pressing plates 42 can simultaneously bite the first connecting member, the restoring force of the elastic connecting member 44 provides power for the upper and lower pressing plate groups to bite the corresponding through slots 422, one end of the other end of the elastic connecting member 44 is connected to the bending portion of the U-shaped connecting member 43, and the other end of the elastic connecting member 44 can be positioned on the same plane, and the elastic connecting member is preferably positioned on the same plane, and the upper connecting member is in accordance with the actual plane. Preferably, the sliding connection portion of the first connecting member of this embodiment is a flat block-shaped contact arm 6, and this structure facilitates the contact arm 6 to be slidably clamped between the upper pressing plate group and the lower pressing plate group, the upper pressing plate group and the lower pressing plate group bite the contact arm 6 under the action of the restoring force of the elastic connecting member 44, and the outer peripheral surface of the contact arm 6 may be subjected to arc transition treatment, so as to reduce the plugging resistance.
The elastic connection 44 of the present embodiment may be a spring or a rubber elastic body, and is preferably a tension spring in the present embodiment.
The cabinet body 1 of this embodiment is equipped with the cable chamber in addition, and the cable chamber is located the below of switch room, is equipped with cable assembly in the cable chamber, and cable assembly is including down the cable of being qualified for the next round of competitions, and the one end and the lower terminal electricity of cable of being qualified for the next round of competitions are connected down, and the other end of cable of being qualified for the next round of competitions has cable joint 7 down.
The top of this embodiment cable chamber is equipped with the top board, and the top of top board is equipped with guide rail 8, and the bottom of frame 5 is equipped with the gyro wheel, and the gyro wheel cooperates with guide rail 8, and handcart-type circuit breaker packs into the switch chamber along guide rail 8.
As shown in fig. 1,2 and 10, a specific implementation manner of the vertical sliding contact structure of the second contact and the upper terminal is as follows, the second contact of the vacuum arc-extinguishing chamber 2 is fixed in the vacuum arc-extinguishing chamber 2, a second connecting piece electrically connected with the second contact is arranged at the top end of the second contact, the second connecting piece is always electrically connected with the isolating knife, the isolating knife is located at one side of the vacuum arc-extinguishing chamber 2, the second connecting piece is electrically connected with the upper terminal through the isolating knife, the isolating knife is driven to move up and down by an isolating knife operating mechanism, the isolating knife operating mechanism comprises a sliding beam 92, a vertical screw 91 and a driving assembly, two ends of the sliding beam 92 are provided with the vertical screw 91, the driving assembly drives the sliding beam 92 to move vertically through the vertical screw 91, and the sliding beam 92 drives the isolating knife 93 of the vacuum arc-extinguishing chamber 2 to move vertically, and when the sliding beam 92 moves to the highest limit, the isolating knife 93 is vertically connected with the upper terminal in a sliding contact manner.
The elastic clamping connector 4 of the present invention can be manufactured and used independently, the specific structure of the elastic clamping connector 4 is as follows, the elastic clamping connector 4 comprises two side plates 41, an upper pressing sheet group and a lower pressing sheet group are arranged between the two side plates 41, the upper pressing sheet group is composed of a plurality of parallel pressing sheets, two ends of each pressing sheet 42 are respectively provided with a vertical sliding groove 421, the plurality of vertical sliding grooves 421 positioned at the same end are connected through a pin shaft, two ends of the pin shaft are fixed on the side plates 41, the structure and the mounting structure of the lower pressing sheet group are the same as those of the upper pressing sheet group, the upper pressing sheet group and the lower pressing sheet group form a movable bayonet, the upper pressing sheet group and the lower pressing sheet group are connected through an elastic connecting piece 44 to provide the biting force of the upper pressing sheet group and the lower pressing sheet group, wherein a plurality of through grooves 422 are arranged between the two vertical sliding grooves 421 of the pressing sheets 42, at least two adjacent pressing sheets 42 are provided with a U-shaped connecting piece 43, two ends of the U-shaped connecting piece 43 extend towards the corresponding through grooves 422 and are clamped and stretched into the corresponding through grooves 422, one end of the pin shaft is connected to the side plate 41, one end of the elastic connecting piece 44 is connected to the bending part of the U-shaped connecting piece 43 of the upper pressing sheet group, and the other end connecting piece is connected to the bending part of the U-shaped connecting piece 43.
It should be understood that the above-described specific embodiments are only for explaining the present invention and are not intended to limit the present invention. Obvious variations or modifications which extend from the spirit of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a direct-push type metal-enclosed switchgear, includes the cabinet body (1), be equipped with the switch chamber in the cabinet body (1), the top of switch chamber is equipped with the terminal, one side of switch chamber is equipped with down the terminal, install handcart-type circuit breaker in the switch chamber detachably, handcart-type circuit breaker includes vacuum interrupter (2), circuit breaker operating device (3) and frame (5), vacuum interrupter (2) and circuit breaker operating device (3) integrate on frame (5), its characterized in that: the first contact of the vacuum arc-extinguishing chamber (2) is electrically connected with a first connecting piece, the first connecting piece and the lower terminal are electrically connected by adopting a sliding electric connection structure, the sliding electric connection structure comprises an elastic clamping connector (4) electrically connected with the lower terminal, and when the frame (5) is slidably arranged in the switch chamber, the first connecting piece is slidably clamped in the corresponding elastic clamping connector (4);
The elastic clamping connector (4) comprises two side plates (41), an upper pressing plate group and a lower pressing plate group are arranged between the two side plates (41), the upper pressing plate group and the lower pressing plate group are movably mounted on the side plates (41) to form movable bayonets, the upper pressing plate group and the lower pressing plate group are connected through an elastic connecting piece (44), and the reset force of the elastic connecting piece (44) acts on the upper pressing plate group and the lower pressing plate group to clamp the first connecting piece;
The upper pressing sheet group consists of a plurality of parallel pressing sheets, two ends of each pressing sheet (42) are respectively provided with a vertical sliding groove (421), a plurality of vertical sliding grooves (421) positioned at the same end are connected in a penetrating way through a pin shaft, two ends of the pin shaft are fixed on the side plate (41), the plurality of pressing sheets (42) can vertically slide relative to the pin shaft, the structure and the mounting structure of the lower pressing sheet group are the same as those of the upper pressing sheet group, and the upper pressing sheet group and the lower pressing sheet group form a movable bayonet;
A plurality of through grooves (422) are formed between two vertical sliding grooves (421) of each pressing piece (42), a U-shaped connecting piece (43) is arranged between at least two adjacent pressing pieces (42), two ends of each U-shaped connecting piece (43) extend out of the corresponding through groove (422) to form a clamping bulge, the clamping bulge extends into the corresponding through groove (422), one end of each elastic connecting piece (44) is connected to the bending part of each U-shaped connecting piece (43) of the upper pressing piece group, and the other end of each elastic connecting piece (44) is connected to the bending part of each U-shaped connecting piece (43) of the lower pressing piece group;
The sliding connection part of the first connecting piece is a contact arm (6), the contact arm (6) slides into the switch chamber along with the frame (5) and is clamped between the upper pressing piece group and the lower pressing piece group, and the upper pressing piece group and the lower pressing piece group bite the contact arm (6) under the action of the reset force of the elastic connecting piece (44).
2. The direct-push metal-enclosed switchgear of claim 1, wherein: the second contact electricity of vacuum interrupter (2) is connected with the second connecting piece, the second connecting piece passes through isolation sword (93) and establishes the electricity with last terminal and be connected, isolation sword (93) are by isolation sword operating device drive up-and-down motion, isolation sword operating device includes slide beam (92), vertical screw rod (91) and drive assembly, the both ends of slide beam (92) set up vertical screw rod (91), the both ends of slide beam (92) with vertical screw rod (91) screw-thread fit, drive assembly passes through vertical screw rod (91) drive slide beam (92) vertical motion, slide beam (92) drive isolation sword (93) vertical movement, when slide beam (92) move to the highest spacing, isolation sword (93) with go up the vertical slip contact electricity of establishing of terminal and be connected.
3. The direct-push metal-enclosed switchgear of claim 1, wherein: the cabinet body (1) is internally provided with a cable chamber, the cable chamber is positioned below the switch chamber, a cable assembly is arranged in the cable chamber, the cable assembly comprises a lower outgoing cable, one end of the lower outgoing cable is electrically connected with the lower terminal, and the other end of the lower outgoing cable is provided with a cable connector (7).
4. A push-through metal-enclosed switchgear as claimed in claim 3, wherein: the cable chamber is characterized in that an upper panel is arranged above the cable chamber, a guide rail (8) is arranged above the upper panel, rollers are arranged at the bottom of the frame (5), the rollers are matched with the guide rail (8), and the handcart type circuit breaker is installed in the switch chamber along the guide rail (8).
5. An elastic clamping joint for a direct-push type metal-enclosed switchgear as claimed in claim 1, characterized in that: the elastic clamping connector (4) comprises two side plates (41), an upper pressing sheet group and a lower pressing sheet group are arranged between the two side plates (41), the upper pressing sheet group is composed of a plurality of parallel pressing sheets, each pressing sheet (42) is provided with a vertical sliding groove (421) at two ends, the vertical sliding grooves (421) at the same end are connected through a pin shaft in a penetrating mode, two ends of the pin shaft are fixed onto the side plates (41), the structure of the lower pressing sheet group and the mounting structure of the lower pressing sheet group are the same as those of the upper pressing sheet group, the upper pressing sheet group and the lower pressing sheet group form a movable bayonet, and the upper pressing sheet group and the lower pressing sheet group are connected through an elastic connecting piece (44) to provide the biting force of the upper pressing sheet group and the lower pressing sheet group.
6. The resilient clip of claim 5, wherein: be equipped with a plurality of grooves (422) that run through between two vertical spouts (421) of preforming (42), be equipped with a U-shaped connecting piece (43) between at least two adjacent preforming (42), the both ends of U-shaped connecting piece (43) extend the card protruding towards its corresponding groove (422) that runs through, and the card protruding stretch to in corresponding groove (422) that runs through, the bending part of U-shaped connecting piece (43) of last preforming group is connected to one end of elastic connection piece (44), the other end of elastic connection piece (44) connect in the bending part of U-shaped connecting piece (43) of preforming group down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710186851.3A CN107887832B (en) | 2017-03-27 | 2017-03-27 | Direct-pushing type metal closed switch cabinet and elastic clamping connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710186851.3A CN107887832B (en) | 2017-03-27 | 2017-03-27 | Direct-pushing type metal closed switch cabinet and elastic clamping connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107887832A CN107887832A (en) | 2018-04-06 |
| CN107887832B true CN107887832B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710186851.3A Active CN107887832B (en) | 2017-03-27 | 2017-03-27 | Direct-pushing type metal closed switch cabinet and elastic clamping connector |
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| CN (1) | CN107887832B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025894A (en) * | 2016-06-27 | 2016-10-12 | 江苏明及电气股份有限公司 | Removing type metal enclosed switchgear |
| CN205846549U (en) * | 2016-06-07 | 2016-12-28 | 芜湖丝路电气科技有限公司 | A kind of disconnecting switch upper static contact box of vacuum switch cabinet |
| CN205845727U (en) * | 2016-06-28 | 2016-12-28 | 上海通用电气广电有限公司 | A kind of DC switch cabinet circuit breaker handcart main contact |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203733737U (en) * | 2013-12-29 | 2014-07-23 | 上海良信电器股份有限公司 | Frame circuit breaker bridge-type contact |
| CN203910563U (en) * | 2014-06-24 | 2014-10-29 | 华东控股集团温州电气有限公司 | Pressure spring-type flat contactor |
| EP3093866B1 (en) * | 2015-05-13 | 2020-04-22 | ABB Schweiz AG | An electric pole unit for medium voltage gas-insulated circuit breakers |
| CN205789675U (en) * | 2016-07-18 | 2016-12-07 | 新疆特变电工自控设备有限公司 | High-voltage switch cabinet breaker line-outgoing arm |
| CN206611090U (en) * | 2017-03-27 | 2017-11-03 | 江苏明及电气股份有限公司 | A kind of direct-push metal closed switch cabinet and elastic card joint |
-
2017
- 2017-03-27 CN CN201710186851.3A patent/CN107887832B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205846549U (en) * | 2016-06-07 | 2016-12-28 | 芜湖丝路电气科技有限公司 | A kind of disconnecting switch upper static contact box of vacuum switch cabinet |
| CN106025894A (en) * | 2016-06-27 | 2016-10-12 | 江苏明及电气股份有限公司 | Removing type metal enclosed switchgear |
| CN205845727U (en) * | 2016-06-28 | 2016-12-28 | 上海通用电气广电有限公司 | A kind of DC switch cabinet circuit breaker handcart main contact |
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