Lockable multi-interface isolating switch
Technical Field
The invention relates to the technical field of high-voltage switches, in particular to a lockable multi-interface disconnecting switch.
Background
In the power transmission process, generally be equipped with safety switch, it can play and cut off or close the no-load current in the circuit and accord with the electric current, and through relay protection device's effect when the system breaks down, cut off overload current and short-circuit current, improve power transmission's factor of safety greatly, in order to further improve the factor of safety of switch, and solve the problem that a plurality of interfaces open the weak point simultaneously, design a lockable many interfaces isolator, in order to solve this kind of problem, the application number: CN201711365624.3 discloses a high tension switchgear three-phase machinery blocking device and power frequency signal source, but this design does not disclose concrete structure, and can not realize many interfaces function.
Disclosure of Invention
The invention provides a lockable multi-interface disconnecting switch, which aims at the technical problem and comprises a chassis system, a butt joint system, an opening and closing system and a connecting ring.
The chassis system is a basic device, the chassis system is a mounting platform of a butt joint system and an opening and closing system, and the opening and closing system is a mounting platform of a connecting ring.
The chassis system includes: chassis, butt joint hole, sill pillar, slip stopper, lockplate, electric jar, fixed column, butt joint dish, main interface, the chassis on be provided with the butt joint hole, sill pillar bottom fixed mounting is on the chassis, top fixed mounting is in wheel guide rail below, slip stopper fixed mounting is on the chassis, electric jar bottom fixed mounting is on the chassis, lockplate and slip stopper slidable mounting, the installation is rotated with the electric jar to the lockplate, fixed column fixed mounting is on the chassis, butt joint dish fixed mounting is on the fixed column, main interface fixed mounting is on the butt joint dish.
The docking system comprises: base, activity lower beam, activity upper boom, passive lower beam, passive upper boom, compression spring, hanging wall, butt joint piece, vice interface, base fixed mounting on the butt joint hole on the chassis, compression spring bottom fixed mounting is on the base, top fixed mounting is on the hanging wall, the activity lower beam rotates and installs on the base, the other end rotates and installs on the activity upper boom, the activity upper boom rotates and installs in the hanging wall bottom, passive lower beam rotates and installs on the base, passive upper boom rotates and installs on passive lower beam, the passive upper boom other end rotates and installs in the hanging wall below, butt joint piece fixed mounting is in hanging wall side, vice interface fixed mounting is on the butt joint piece.
The switching system includes: the gear rack comprises a rotating head, an upper gear rack, an outer gear, a sliding limiting strip, a gear rack block, an inner gear, an upper rod, a lower rod, a double spring, an upper rod, a rotating disc, a rotating frame, a connecting plate, a lower gear rack seat, a front end plate, a lead screw, a wheel guide rail, a wheel moving block, a lower rod, a roller wheel, a motor plate, a transmission belt, a lead screw head block, a transmission shaft, a side bevel gear, a bottom seat, an inner bevel gear and a motor, wherein the rotating head is rotatably arranged at the joint of the movable lower rod and the movable upper rod, the outer gear and the inner gear are rotatably arranged on the rotating head, the lower gear rack seat is fixedly arranged on the connecting plate, the lower gear rack is fixedly arranged on the lower gear rack seat, the upper gear rack is fixedly arranged on the gear rack block, the outer gear and the inner gear rack are meshed with the upper gear rack, the sliding limiting, the bottom of the double-spring is fixedly arranged on the upper and lower rods, the top of the double-spring is fixedly arranged on the upper rod, the upper rod is rotatably arranged on a rotating disc, a rotating frame is fixedly arranged on a connecting plate, the rotating disc is rotatably arranged on the rotating frame through a rolling bearing, the upper part of the lower rod is rotatably arranged on the rotating disc, the lower part of the lower rod is rotatably arranged on a wheel moving block, a roller wheel is rotatably arranged on the lower rod, a wheel guide rail is fixedly arranged at the bottom of the connecting plate, the roller wheel and the wheel guide rail are slidably arranged, a front end plate and a motor plate are fixedly arranged at two ends of the wheel guide rail, one end of a screw rod is rotatably arranged on the front end plate, the other end of the screw rod is rotatably arranged on the motor plate, the wheel moving block and the screw rod are in threaded transmission, a screw rod head block is fixedly, the motor is fixedly installed on the bottom seat, the inner bevel gear is fixedly installed on a motor shaft of the motor, and the inner bevel gear is meshed with the side bevel gear.
Further, the connecting ring is fixedly arranged between the two connecting plates.
Furthermore, the butt joint system and the chassis system form fixed fit, the opening and closing system and the butt joint system form rotating fit, and the connecting ring and the opening and closing system form fixed fit.
Furthermore, the locking plate and the electric cylinder form a running fit, and the locking plate and the sliding limiting block form a sliding fit.
Furthermore, the movable upper rod and the movable lower rod form a rotating fit, the driven upper rod and the driven lower rod form a rotating fit, and the upper disk and the base form a spring fit.
Furthermore, the rotating head and the connecting plate form a sliding fit driven by a gear rack, the gear rack block and the sliding limiting bar form a sliding fit, the upper rod and the lower rod form a rotating fit with the gear rack block, the upper rod and the rotating disc form a rotating fit, the rotating disc and the rotating frame form a rotating fit, the roller and the wheel guide rail form a rolling sliding fit, and the motor plate and the rotating disc form a rotating fit.
Further, the locking plate can slide relative to the wheel guide rail and can block the roller.
Furthermore, a compression spring is arranged between the upper disc and the base.
Furthermore, an external gear and an internal gear are arranged on the rotating head, and two double springs are arranged between the upper rod and the lower rod and between the upper rod and the lower rod.
Compared with the prior art, the invention has the beneficial effects that: (1) the three butt joint systems are arranged, so that the three joints can be opened and closed respectively; (2) the opening and closing system can control the docking system to lift, so that the docking system and the chassis system are contacted and separated, and the switch is switched off and on; (3) the opening and closing system realizes the opening and closing function through the motor, and the electric cylinder on the chassis system realizes the locking of the opening and closing system, so that the uncontrollable opening and closing in the using process are prevented.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is a schematic view of a chassis system of the present invention.
FIG. 3 is a schematic view of the docking system of the present invention.
Fig. 4 and 5 are schematic views of the opening and closing system of the present invention.
Fig. 6 is a schematic diagram of the chassis system and the opening and closing system according to the present invention.
Reference numerals: 1-a chassis system; 2-a docking system; 3-an open-close system; 4-connecting rings; 101-a chassis; 102-a docking hole; 103-bottom pillar; 104-a slide stopper; 105-locking plate; 106-electric cylinder; 107-fixed columns; 108-docking tray; 109-a master interface; 201-a base; 202-movable lower rod; 203-movable upper rod; 204-passive lower rod; 205-passive backswing; 206-a compression spring; 207-upper disc; 208-a docking block; 209-secondary interface; 301-a rotating head; 302-upper rack; 303-an external gear; 304-a sliding stop bar; 305-a rack block; 306-internal gear; 307-upper and lower rods; 308-double spring; 309-upper rod; 310-a rotating disc; 311-a turret; 312-connecting plate; 313-lower rack; 314-lower rack mount; 315-front endplate; 316-lead screw; 317-wheel guide; 318-wheel moving block; 319-lower beam; 320-a roller; 321-a motor board; 322-a transmission belt; 323-screw mandrel head block; 324-a drive shaft; 325-side bevel gear; 326-bottom seat; 327-inner bevel gear; 328-motor.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): a lockable multi-interface disconnector as shown in figures 1, 2, 3, 4, 5, 6. The chassis system 1 is a basic device, the chassis system 1 is a mounting platform of the docking system 2 and the opening and closing system 3, and the opening and closing system 3 is a mounting platform of the connecting ring 4.
The specific structure of the chassis system 1, 6 is shown in fig. 2, wherein the chassis 101 is provided with a butt joint hole 102, the bottom of the bottom pillar 103 is fixedly installed on the chassis 101, the top is fixedly installed below the wheel guide 317, the sliding stopper 104 is fixedly installed on the chassis 101, the bottom of the electric cylinder 106 is fixedly installed on the chassis 101, the locking plate 105 is slidably installed with the sliding stopper 104, the locking plate 105 is rotatably installed with the electric cylinder 106, the fixing post 107 is fixedly installed on the chassis 101, the butt joint disk 108 is fixedly installed on the fixing post 107, and the main interface 109 is fixedly installed on the butt joint disk 108; the electric cylinder 106 telescopically controls the locking plate 105 to slide along the sliding limiting block 104, so that the locking plate 105 limits the position of the roller 320 to realize locking.
Specifically, as shown in fig. 3, a specific structural diagram of the docking system 2 is shown, wherein a base 201 is fixedly installed on a docking hole 102 of a chassis 101, a bottom of a compression spring 206 is fixedly installed on the base 201, a top of the compression spring is fixedly installed on an upper plate 207, a movable lower rod 202 is rotatably installed on the base 201, the other end of the movable lower rod is rotatably installed on a movable upper rod 203, the movable upper rod 203 is rotatably installed at the bottom of the upper plate 207, a driven lower rod 204 is rotatably installed on the base 201, a driven upper rod 205 is rotatably installed on the driven lower rod 204, the other end of the driven upper rod 205 is rotatably installed below the upper plate 207, a docking block 208 is fixedly installed at a side of the upper plate 207, and a; the opening and closing system 3 can realize the rotation of the movable upper rod 203 and the movable lower rod 202, control the upper disk 207 to move downwards relative to the base 201, and realize the separation of the butt joint block 208 and the butt joint disk 108.
Specifically, as shown in fig. 4 and 5, a detailed structural schematic diagram of the opening and closing system 3 is shown, wherein a rotating head 301 is rotatably installed at a joint of a movable lower rod 202 and a movable upper rod 203, an external gear 303 and an internal gear 306 are rotatably installed on the rotating head 301, a lower rack seat 314 is fixedly installed on a connecting plate 312, a lower rack 313 is fixedly installed on a lower rack seat 314, an upper rack 302 is fixedly installed on a rack block 305, the external gear 303 and the internal gear 306 are engaged with the lower rack 313 and the upper rack 302, a sliding limiting bar 304 is fixedly installed on the connecting plate 312, the rack block 305 and the sliding limiting bar 304 are slidably installed, the upper and lower rods 307 and the rack block 305 are rotatably installed, the bottom of a double spring 308 is fixedly installed on the upper and lower rods 307, the top is fixedly installed on the upper rod 309, the upper rod 309 is rotatably installed on a rotating disc 310, the rotating disc 311 is fixedly installed on the connecting plate 312, the rotating disc 310 is, the upper portion of a lower rod 319 is rotatably mounted on the rotating disc 310, the lower portion is rotatably mounted on a wheel moving block 318, a roller 320 is rotatably mounted on the lower rod 319, a wheel guide rail 317 is fixedly mounted at the bottom of a connecting plate 312, the roller 320 and the wheel guide rail 317 are slidably mounted, a front end plate 315 and a motor plate 321 are fixedly mounted at two ends of the wheel guide rail 317, one end of a screw rod 316 is rotatably mounted on the front end plate 315, the other end of the screw rod 316 is rotatably mounted on the motor plate 321, the wheel moving block 318 and the screw rod 316 adopt screw transmission, a screw rod head block 323 is fixedly mounted at one end of the screw rod 316, a bottom base 326 is fixedly mounted at the bottom of the connecting plate 312, a transmission shaft 324 is rotatably mounted on the bottom base 326, a transmission belt 322 is wound on the outer sides of the screw rod head block 323 and the transmission shaft 324, a side bevel gear 325 is fixedly mounted on the transmission shaft 324. The motor 328 rotates to control the transmission shaft 324 to rotate, so that the lead screw head block 323 drives the lead screw 316 to rotate, the roller 320 slides along the wheel guide rail 317, the lower rod 319 is controlled to slide, the rotating disc 310 is driven to rotate, the upper rod 307 and the lower rod 307 are driven to pull the rack block 305 to slide, and the rotating head 301 slides left and right.
When the invention is used, one end is wired on the main interface 109, and the other end is wired on the auxiliary interface 209; when the switch is disconnected, the motor 328 rotates the control transmission shaft 324 to rotate, so that the lead screw head block 323 drives the lead screw 316 to rotate, the roller 320 slides leftwards along the wheel guide rail 317, the lower rod 319 is controlled to slide, the rotating disc 310 is driven to rotate clockwise, the upper rod 307 and the lower rod 307 pull the rack block 305 to slide rightwards, the rotating head 301 slides rightwards, the movable upper rod 203 and the movable lower rod 202 rotate, the upper plate 207 is controlled to move downwards relative to the base 201, the butt joint block 208 is separated from the butt joint disc 108, the electric cylinder 106 extends to control the locking plate 105 to slide forwards along the sliding limiting block 104, and the locking plate 105 limits the position of the roller 320 to realize locking.
When the switch is closed, the motor 328 rotates to control the transmission shaft 324 to rotate, so that the lead screw head block 323 drives the lead screw 316 to rotate, the roller 320 slides rightwards along the wheel guide rail 317, the lower rod 319 is controlled to slide, the rotating disc 310 is driven to rotate anticlockwise, the upper rod 307 and the lower rod 307 pull the rack block 305 to slide leftwards, the rotating head 301 slides leftwards, the movable upper rod 203 and the movable lower rod 202 rotate, the upper plate 207 is controlled to move upwards relative to the base 201, the butt joint block 208 is in contact with the butt joint disc 108, the electric cylinder 106 extends to control the locking plate 105 to slide forwards along the sliding limiting block 104, and the locking plate 105 limits the position of the roller 320 to achieve locking.