CN216528598U - Horizontal open type high-voltage isolating switch bus conversion test device - Google Patents
Horizontal open type high-voltage isolating switch bus conversion test device Download PDFInfo
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- CN216528598U CN216528598U CN202122959306.8U CN202122959306U CN216528598U CN 216528598 U CN216528598 U CN 216528598U CN 202122959306 U CN202122959306 U CN 202122959306U CN 216528598 U CN216528598 U CN 216528598U
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 230000003068 static effect Effects 0.000 claims abstract description 120
- 230000009471 action Effects 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 5
- 229910001080 W alloy Inorganic materials 0.000 claims description 4
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect 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
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Abstract
The utility model discloses a horizontal opening type high-voltage isolating switch bus conversion test device which comprises a contact, a contact finger, an opening arc rod device, a closing arc rod device, an opening static arc rod device and a closing static arc rod device, wherein the opening arc rod device and the closing arc rod device are arranged on the contact; when the switch is switched on, the switch-on movable arc rod contacts the switch-on static arc rod, and the switch-on movable arc rod rotates and abuts against the switch-on static arc rod; after the opening arc rod crosses the opening static arc rod, the opening arc rod resets under the action of a reset spring; when the switch is switched off, the switch-on movable arc rod is separated from the switch-on static arc rod, the switch-on movable arc rod resets under the action of the first torsion spring, the switch-off static arc rod rotates and is separated from the switch-off static arc rod, and the switch-off movable arc rod resets quickly under the action of the second torsion spring after separation. By arranging the high-voltage isolating switch bus conversion test device, the utility model reduces the burning loss of the electric arc to the contact and the contact finger when the isolating switch is switched on and off, prolongs the service life of the equipment, and can be quickly disassembled and assembled.
Description
Technical Field
The utility model relates to the field of power equipment, in particular to a horizontal opening type high-voltage isolating switch bus conversion test device.
Background
At present, along with the continuous improvement of high voltage isolator rated current, the high voltage isolator of field operation need carry out the generating line conversion operation when the circuit switches over, if do not install additional on isolator's contact and draw generating line conversion test device, carry out the quick break-out to the electric arc that produces when isolator divide-shut brake, the high temperature that the electric arc produced will burn isolator's contact, cause isolator to generate heat when moving, life can reduce scheduling problem by a wide margin, current device has not satisfied the long-term safe and reliable operation requirement of electric power system.
In view of the above, it is necessary to provide a horizontal open type high voltage isolation switch bus bar transition testing apparatus to solve or at least alleviate the above drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a horizontal opening type high-voltage isolating switch bus conversion test device, and aims to solve the problems that an existing high-voltage contact is easy to burn and is short in service life. In order to achieve the purpose, the utility model provides a horizontal opening type high-voltage isolating switch bus conversion test device which comprises a contact, a contact finger, a switching-off movable arc rod device and a switching-on movable arc rod device, a switching-off static arc rod device and a switching-on static arc rod, wherein the switching-off movable arc rod device and the switching-on movable arc rod device are arranged on the contact; wherein,
the opening brake moving arc rod device comprises an opening brake moving arc rod, a sliding seat and an insulating hook plate, the opening brake moving arc rod is slidably arranged on the sliding seat along the axial direction of the opening brake moving arc rod, a reset spring used for resetting the opening brake moving arc rod is further arranged on the sliding seat, and the insulating hook plate is arranged at the end part, far away from the sliding seat, of the opening brake moving arc rod;
the switching-on movable arc rod device comprises a switching-on movable arc rod and a first rotating seat, the switching-on movable arc rod is rotatably connected with the first rotating seat so as to enable the switching-on movable arc rod to rotate around the axis of the first rotating seat on the first rotating seat, and a first torsion spring for resetting the switching-on movable arc rod is further arranged on the first rotating seat;
the brake separating static arc rod device comprises a brake separating static arc rod and a second rotating seat, the brake separating static arc rod is rotatably connected with the second rotating seat so as to enable the brake separating static arc rod to rotate on the second rotating seat around the axis of the second rotating seat, and a second torsion spring for resetting the brake separating static arc rod is further arranged on the second rotating seat;
the opening dynamic arc rod and the opening static arc rod are arranged in a matched mode, and the closing dynamic arc rod and the closing static arc rod are arranged in a matched mode;
under the action of closing of the isolating switch, the closing movable arc rod is contacted with the closing static arc rod, the closing movable arc rod rotates around the axis of the first rotating seat under the action of the closing static arc rod, and the closing movable arc rod is abutted against the closing static arc rod in the closing state of the isolating switch; the insulating hook plate is contacted with the opening static arc rod, the opening movable arc rod slides towards the sliding seat under the action of the opening static arc rod, and the opening movable arc rod is reset under the action of the reset spring after passing over the opening static arc rod;
under the action of isolating switch separating, the arc pole is moved in the combined floodgate with the quiet arc pole of combined floodgate separates, the arc pole is moved in the combined floodgate is in restore to the throne under the effect of first torsional spring, the quiet arc pole of separating the brake is in move the effect of arc pole orientation under the separating brake the arc pole rotates, the arc pole is moved in the separating brake with the quiet arc pole of separating the brake separates the back, the quiet arc pole of separating the brake is in restore to the throne under the effect of second torsional spring.
Preferably, a sliding hole is formed in the sliding seat, the opening brake moving arc rod comprises a first end and a second end which are arranged oppositely, the return spring is sleeved on the first end and abuts against the outer side wall of the sliding hole and the second end, and the first end of the opening brake moving arc rod extends into the return spring and the sliding hole completely or partially.
Preferably, the opening brake arc rod device further comprises a first mounting plate and a guide plate, the first mounting plate is fixed on the contact, and the sliding seat is fixed on the first mounting plate; the guide plate is of an L-shaped structure and comprises a short plate and a long plate which are perpendicular to each other; the middle part of the short plate is provided with a through hole for the opening brake moving arc rod to pass through, the reset spring is abutted between the outer side wall of the sliding hole and the outer side wall of the through hole, and the bottom of the long plate is attached to the top surface of the sliding seat so as to guide the sliding of the opening brake moving arc rod.
Preferably, first mounting panel is Z style of calligraphy structure, the one end of first mounting panel is fixed in on the contact, the sliding seat is fixed in the other end of first mounting panel.
Preferably, the arc-shaped closing lever device further comprises a second mounting plate, the second mounting plate is of a Z-shaped structure, and the first rotating seat is mounted on the contact finger through the second mounting plate.
Preferably, the first rotating base comprises a first connecting shaft, a first rotating block and a first limiting pin, the first connecting shaft is fixed on the second mounting plate, the first rotating block is rotatably connected with the first connecting shaft, the closing moving arc rod is rotatably connected to the first connecting shaft through the first rotating block, a first torsion spring is mounted on one side, corresponding to the closing moving arc rod, of the first connecting shaft, and the first limiting pin is fixedly connected with the first connecting shaft through a first connecting piece so as to block the closing moving arc rod to rotate towards the closing direction.
Preferably, the second rotating seat comprises a second connecting shaft, a second rotating block and a second limiting pin, the second connecting shaft is fixed on the contact finger, the second rotating block is rotatably connected with the second connecting shaft, the second torsion spring is installed on one side, corresponding to the opening static arc rod, of the second connecting shaft, the opening static arc rod is connected onto the second connecting shaft through the second rotating block in a rotating mode, and the second limiting pin is fixedly connected with the second connecting shaft through a second connecting piece to be used for blocking the opening static arc rod to rotate towards the closing direction.
Preferably, the first connecting piece and the second connecting piece are provided with a plurality of adjusting holes, one side of the first torsion spring extends into the adjusting hole of the first connecting piece, and one side of the second torsion spring extends into the adjusting hole of the second connecting piece so as to adjust the pre-tightening force.
Preferably, the opening movable arc rod and the closing movable arc rod are horizontally arranged and are vertical to each other, the opening static arc rod and the closing static arc rod are vertically arranged, the opening movable arc rod and the opening static arc rod are vertically arranged, and the closing movable arc rod and the closing static arc rod are vertically arranged.
Preferably, the opening arc rod, the closing arc rod, the opening static arc rod and the closing static arc rod are all made of copper-tungsten alloy.
Compared with the prior art, the bus conversion test device of the horizontal open type high-voltage isolating switch provided by the utility model has the following beneficial effects:
the utility model provides a horizontal open type high-voltage isolating switch bus conversion test device which comprises a contact, a contact finger, a switching-off movable arc rod device and a switching-on movable arc rod device, a switching-off static arc rod device and a switching-on static arc rod device, wherein the switching-off movable arc rod device and the switching-on movable arc rod device are arranged on the contact; when the switch is switched on, the switch-on movable arc rod contacts the switch-on static arc rod, and the switch-on movable arc rod rotates and abuts against the switch-on static arc rod; after the opening moving arc rod passes over the opening static arc rod, the opening moving arc rod is reset under the action of a reset spring; during opening, the closing movable arc rod is separated from the closing static arc rod, the closing movable arc rod resets under the action of the first torsion spring, the opening static arc rod rotates and is separated from the opening static arc rod, and the opening static arc rod resets quickly under the action of the second torsion spring. By arranging the high-voltage isolating switch bus conversion test device, the utility model reduces the burning loss of the electric arc to the contact and the contact finger when the isolating switch is switched on and off, prolongs the service life of the equipment, and can be quickly disassembled and assembled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a bus bar conversion test device of a high-voltage isolating switch in one embodiment of the utility model;
FIG. 2 is a top view of a bus bar transition testing apparatus of a high voltage isolation switch according to an embodiment of the present invention;
fig. 3 is a schematic overall structure diagram of the high-voltage disconnector bus bar conversion test device at another view angle in an embodiment of the utility model.
FIG. 4 is a schematic structural diagram of an opening arc rod device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a trip-out arc-extinguishing rod device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a closing arc lever device according to an embodiment of the present invention;
the reference numbers illustrate:
a switching-on movable arc rod device 300; a closing movable arc rod 310; a first rotating base 320; a first torsion spring 321; a first rotating block 323; a first restraint pin 324; a first connecting piece 325; an adjustment aperture 326; a second mounting plate 330;
a switching-off arc chute apparatus 400; a brake-separating arc-extinguishing lever 410; a second rotating base 420; a second coupling shaft 422; a second rotating block 423; the second restraint pin 424; a second connecting piece 425;
and a closing static arc lever 500.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a horizontal open type bus conversion test device for a high voltage isolation switch. The high-voltage isolating switch bus conversion test device comprises a contact 110, a contact finger 120, an opening arc rod device 200 and a closing arc rod device 300 which are arranged on the contact 110, and an opening static arc rod device 400 and a closing static arc rod 500 which are arranged on the contact finger 120; the opening brake moving arc rod device 200 comprises an opening brake moving arc rod 210, a sliding seat 220 and an insulating hook plate 230, wherein the opening brake moving arc rod 210 is slidably arranged on the sliding seat 220 along the axial direction of the opening brake moving arc rod, the sliding seat 220 is further provided with a reset spring 221 for resetting the opening brake moving arc rod 210, and the insulating hook plate 230 is arranged at the end part of the opening brake moving arc rod 210 far away from the sliding seat 220.
Specifically, the opening movable arc rod device 200 and the opening static arc rod device 400 are provided to be capable of being disconnected after the contact 110 and the contact finger 120 are disconnected when the disconnecting switch is opened, so as to protect the contact 110 and the contact finger 120 from arc burning, and the closing static arc rod 500 and the closing movable arc rod device 300 are provided to be capable of being contacted before the contact 110 and the contact finger 120 are contacted to extinguish the arc before the contact 110 and the contact finger 120 are contacted to protect the contact 110 and the contact finger 120 from arc burning when the disconnecting switch is closed.
In detail, the opening brake arc rod device 200 is provided with an opening brake arc rod 210, a sliding seat 220 and an insulating hook plate 230, the opening brake arc rod 210 is slidably arranged on the sliding seat 220, the sliding connection mode of the opening brake arc rod comprises multiple modes, the specific connection mode can be set according to actual needs, the specific structure of the sliding seat 220 can be designed according to actual conditions, the sliding seat 220 is provided with a return spring 221 for returning the opening brake arc rod 210, the return spring 221 is arranged so that the opening brake arc rod 210 can return to an initial state through the action of the return spring 221 after sliding, and the specific installation mode of the return spring 221 can be selected according to actual needs; in addition, the insulating hook plate 230 is provided so that the opening arc bar 210 does not directly contact the opening arc bar 410 and does not interfere with the contact between the closing arc bar 310 and the closing arc bar 500 when the disconnecting switch is closed, and therefore, the insulating hook plate 230 is provided at an end of the opening arc bar 210 far from the sliding seat 220, that is, an end of the opening arc bar 210 close to the opening arc bar 410.
The arc rod device 300 includes a arc rod 310 and a first rotating base 320, the arc rod 310 is connected to the first rotating base 320, so that the arc rod 310 is wound around the first rotating base 320 to rotate, and a first torsion spring 321 is further disposed on the first rotating base 320 to reset the arc rod 310. It should be understood that, the closing movable arc rod 310 is rotationally connected to the first rotating base 320, the specific structure of the first rotating base 320 can be designed according to actual conditions, the rotatable setting of the closing movable arc rod 310 is to be better matched with the closing static arc rod 500, the specific rotational connection mode can be set according to actual needs, the setting of the first torsion spring 321 enables the closing movable arc rod 310 to return to the initial state through the action of the first torsion spring 321 after rotating, and the specific installation mode of the first torsion spring 321 can be selected according to actual needs.
The separating brake static arc rod device 400 comprises a separating brake static arc rod 410 and a second rotating seat 420, the separating brake static arc rod 410 is connected with the second rotating seat 420 in a rotating mode, so that the separating brake static arc rod 410 is wound on the second rotating seat 420 to rotate the axis of the second rotating seat 420, and the second rotating seat 420 is further provided with a second torsion spring (not shown) for resetting the separating brake static arc rod 410. It should be understood that the opening static arc rod 410 is rotationally connected to the second rotating seat 420, the specific structure of the second rotating seat 420 can be designed according to actual conditions, the opening static arc rod 410 can be rotationally arranged to be better matched with the opening dynamic arc rod 210, the specific rotational connection mode can be arranged according to actual needs, the second torsion spring can be arranged to enable the opening static arc rod 410 to return to the initial state through the action of the second torsion spring after rotating, and the specific installation mode of the second torsion spring can be selected according to actual needs.
The opening arc rod 210 is arranged in cooperation with the opening arc rod 410, and the closing arc rod 310 is arranged in cooperation with the closing arc rod 500; it should be noted that the opening arc rod 210 and the opening arc rod 410 are cooperatively disposed, and the closing arc rod 310 and the closing arc rod 500 are cooperatively disposed, and the specific cooperation manner therebetween can be set and adjusted according to the actual situation, please refer to fig. 3, in which the cooperation manner provided in this embodiment is only one of them.
Under the action of closing the isolating switch, the closing movable arc rod 310 contacts the closing static arc rod 500, the closing movable arc rod 310 rotates around the axis of the first rotating seat 320 under the action of the closing static arc rod 500, and the closing movable arc rod 310 abuts against the closing static arc rod 500 in the closing state of the isolating switch; the insulating hook plate 230 contacts the opening static arc rod 410, the opening movable arc rod 210 slides towards the sliding seat 220 under the action of the opening static arc rod 410, and after the opening movable arc rod 210 passes over the opening static arc rod 410, the opening movable arc rod 210 is reset under the action of the reset spring 221.
Specifically, when the isolating switch is switched on, the switching-on movable arc rod 310 starts to approach and contact the switching-on stationary arc rod 500, the switching-on stationary arc rod 500 starts to rotate around the axis of the first rotating seat 320 under the action of the switching-on movable arc rod 310, and because the first torsion spring 321 applies a restoring force to the switching-on movable arc rod 310, the switching-on movable arc rod 310 always abuts against and is held on the switching-on stationary arc rod 500, when the isolating switch is switched on to a certain degree, the contact 110 starts to contact the contact finger 120, and because the switching-on movable arc rod 310 contacts the switching-on stationary arc rod 500 in advance to extinguish the arc, the contact 110 and the contact finger 120 are protected from being burnt by the arc. In addition, when the closing movable arc rod 310 starts to approach and contact the closing static arc rod 500, the insulating hook plate 230 on the opening movable arc rod 210 approaches and contacts the opening static arc rod 410, the opening movable arc rod 210 slides towards the sliding seat 220 under the action of the opening static arc rod 410 until the opening movable arc rod 210 crosses the opening static arc rod 410 and reaches the side of the opening static arc rod 410 far away from the opening movable arc rod 210, and the opening movable arc rod 210 resets under the action of the reset spring 221.
Under the action of the disconnecting switch, the closing movable arc rod 310 is separated from the closing static arc rod 500, the closing movable arc rod 310 is reset under the action of the first torsion spring 321, the opening static arc rod 410 is oriented under the action of the opening movable arc rod 210, the opening movable arc rod 210 rotates, the opening movable arc rod 210 is separated from the opening static arc rod 410, and the opening static arc rod 410 is reset under the action of the second torsion spring.
In detail, when the disconnecting switch performs switching-off, the switching-on moving arc rod 310 is gradually separated from the switching-on static arc rod 500, and the force applied by the first torsion spring 321 gradually returns to the initial state; meanwhile, the opening arc rod 210 starts to contact with the opening arc rod 410, because the opening arc rod 210 is located on the side, far away from the opening arc rod 210, of the opening arc rod 410, the opening arc rod 210 can hook the opening arc rod 410 and move towards the opening direction, at this time, the contact 110 is separated from the contact finger 120, the opening arc rod 210 also hooks the opening arc rod 410, when the opening is carried out to a certain degree, the opening arc rod 210 is separated from the opening arc rod 410, the opening arc rod 210 rebounds quickly under the action of the reset spring 221, the generated electric arc is cut off quickly, the arc ablation time is reduced, meanwhile, the burning loss of the electric arc to the contact 110 and the contact finger 120 is avoided, and the service lives of the contact 110 and the contact finger 120 are prolonged.
It should be emphasized that, in the present embodiment, the closing and opening actions of the disconnector are horizontally opened, the contact 110 and the contact finger 120 are respectively located on two different mounting arms, when closing, the two mounting arms horizontally and rotatably approach and contact each other from two sides to the middle, and when opening, the two mounting arms horizontally and rotatably disconnect from the middle to two sides.
As a preferred embodiment of the present invention, the sliding seat 220 is provided with a sliding hole (not shown), the opening arc rod 210 includes a first end 211 and a second end 212 that are oppositely disposed, the return spring 221 is sleeved on the first end 211 and abuts against between the outer sidewall of the sliding hole and the second end 212, and the first end 211 of the opening arc rod 210 fully or partially extends into the return spring 221 and the sliding hole. It should be understood that the sliding manner of the opening arc rod 210 disposed on the sliding seat 220 includes a plurality of manners, in this embodiment, a sliding hole is defined at a suitable position on the sliding seat 220, the opening arc rod 210 partially extends into the sliding seat 220, the opening arc rod 210 is sleeved with the return spring 221, such that one end of the return spring 221 abuts against the side wall of the sliding seat 220, i.e. the outer side wall of the sliding hole, the other end of the return spring 221 abuts against the opening arc rod 210, where the return spring 221 can be abutted by any manner disposed on the opening arc rod 210, when the opening arc rod 210 is extended into the sliding hole by the action of other devices, the return spring 221 exerts a pre-tightening force, when the contact and pressing state of other devices is released, the opening arc rod 210 returns to the initial state by the action of the return spring 221, and this method is simple to set, and the disassembly is easy, and the manpower and material resources are saved.
As a preferred embodiment of the present invention, the opening arc rod device 200 further includes a first mounting plate 240 and a guide plate 250, the first mounting plate 240 is fixed to the contact 110, and the sliding seat 220 is fixed to the first mounting plate 240; the guide plate 250 is of an L-shaped structure and comprises a short plate and a long plate which are perpendicular to each other; a through hole (not shown) for the opening arc rod 210 to pass through is formed in the middle of the short plate, the return spring 221 abuts between the outer side wall of the sliding hole and the outer side wall of the through hole, and the bottom of the long plate is attached to the top surface of the sliding seat 220 to guide the sliding of the opening arc rod 210.
In detail, the opening arc rod device 200 further includes a first mounting plate 240 and a guide plate 250, the first mounting plate 240 is fixed on the contact 110, the mounting seat is fixed on the first mounting plate 240, and the specific structure and the mounting position of the guide plate 250 can be set according to actual conditions, in this embodiment, the guide plate 250 is set to be an L-shaped structure, and includes a short plate and a long plate that are perpendicular to each other, a through hole is formed in the middle of the short plate, and is sleeved on the opening arc rod 210, so that one end of the return spring 221 abuts against the outer side wall of the through hole on the short plate, the bottom of the long plate abuts against the top surface of the sliding seat 220, the guide plate 250 is set so that the opening arc rod 210 can guide the opening arc rod when sliding, and the opening arc rod 210 can avoid the insulating hook plate 230 from being deflected or turned due to sliding deflection or turning under the action of the guide plate 250.
Further, the first mounting plate 240 is in a zigzag structure, one end of the first mounting plate 240 is fixed to the contact 110, and the sliding seat 220 is fixed to the other end of the first mounting plate 240. It should be noted that the specific structure of the first mounting plate 240 may be set according to actual conditions, in this embodiment, the first mounting plate 240 is set to be a zigzag structure, one end of the first mounting plate 240 is fixed on the contact 110, and the other end is used for connecting the sliding seat 220, which is simple to set and facilitates the detachment of the opening arc rod apparatus 200.
In a preferred embodiment of the present invention, the closing arc lever apparatus 300 further includes a second mounting plate 330, the second mounting plate 330 has a zigzag structure, and the first rotating base 320 is mounted on the contact finger 120 via the second mounting plate 330. It should be understood that the closing arc bar apparatus 300 is also provided with the second mounting plate 330, and in this embodiment, the structure of the second mounting plate 330 is the same as that of the first mounting plate 240, and the second mounting plate 330 is also provided with a Z-shaped structure, such that one end of the mounting plate is fixed on the contact finger 120, and the other end is used for connecting the first rotating seat 320, which is simple to arrange and facilitates the disassembly of the closing arc bar apparatus 300.
In a preferred embodiment of the present invention, the first rotating base 320 includes a first connecting shaft (not shown), a first rotating block 323, and a first limiting pin 324, the first connecting shaft is fixed to the second mounting plate 330, the first rotating block 323 is rotatably connected to the first connecting shaft, the closing arc rod 310 is rotatably connected to the first connecting shaft through the first rotating block 323, the first torsion spring 321 is installed at a side of the first connecting shaft corresponding to the closing arc rod 310, and the first limiting pin 324 is fixedly connected to the first connecting shaft through a first connecting plate 325 for blocking the closing arc rod 310 from rotating in a closing direction.
Specifically, referring to fig. 6, the specific structure of the first rotating base 320 may be configured according to actual requirements, in this embodiment, the first rotating base 320 is configured to include a first connecting shaft, a first rotating block 323 and a first limiting pin 324, the first connecting shaft is fixed on the second mounting plate 330, the closing moving arc rod 310 is rotatably connected to the first connecting shaft through the first rotating block 323, a first torsion spring 321 is mounted on the first connecting shaft and is arranged corresponding to the closing moving arc rod 310, and is capable of applying a restoring force to the closing moving arc rod 310, the first limiting pin 324 is arranged at one side of the closing moving arc rod 310 and is vertically arranged, and is fixedly connected to the first connecting shaft through a first connecting piece 325 arranged horizontally, the first limiting pin 324 is configured to block the closing moving arc rod 310 from rotating towards a closing direction, the first rotating base 320 has a simple structure and is convenient to disassemble, and the effect to be achieved when the closing movable arc rod 310 is closed can be satisfied.
Further, the second rotating seat 420 includes a second connecting shaft 422, a second rotating block 423 and a second limit pin 424, the second connecting shaft 422 is fixed to the contact finger 120, the second rotating block 423 is rotatably connected to the second connecting shaft 422, the second torsion spring is installed on one side of the second connecting shaft 422 corresponding to the opening static arc rod 410, the opening static arc rod 410 is rotatably connected to the second connecting shaft 422 through the second rotating block 423, and the second limit pin 424 is fixedly connected to the second connecting shaft 422 through a second connecting piece 425 so as to block the opening static arc rod 410 from rotating toward the closing direction. In detail, the specific structure of the second rotating base 420 can be set according to actual needs, in this embodiment, the second rotating base 420 is set to include a second connecting shaft 422, a second rotating block 423 and a second limit pin 424, the second connecting shaft 422 is fixed on the contact finger 120, the opening static arc rod 410 is rotatably connected to the second connecting shaft 422 through the second rotating block 423, a second torsion spring is mounted on the second connecting shaft 422 and is set corresponding to the opening static arc rod 410, a restoring force can be applied to the opening static arc rod 410, the second limit pin 424 is set on one side of the opening static arc rod 410 and is transversely set, the opening static arc rod 410 is fixedly connected to the second connecting shaft 422 through a vertically set second connecting piece 425, the second limit pin 424 is set to block the opening static arc rod 410 from rotating towards the closing direction, the closing direction at this position is the closing direction of the contact finger 120, the structure of the second rotating base 420 is simple, the disassembly is convenient, and the effect required when the brake-separating arc-shaped static bar 410 is used for separating the brake can be achieved.
In a preferred embodiment of the present invention, a plurality of adjusting holes 326 are formed in each of the first connecting plate 325 and the second connecting plate 425, one side of the first torsion spring 321 extends into the adjusting hole 326 of the first connecting plate 325, and one side of the second torsion spring extends into the adjusting hole 326 of the second connecting plate 425, so as to adjust the magnitude of the pre-tightening force. Specifically, referring to fig. 6 again, it can be seen that a plurality of adjusting holes 326 are uniformly distributed on the first connecting plate 325 and the second connecting plate 425, the specific positions and number of the adjusting holes 326 can be set according to actual conditions, and the adjusting holes 326 with a plurality of different positions can select appropriate adjusting holes 326 according to actual conditions to adjust the magnitude of the pre-tightening force.
As a preferred embodiment of the present invention, the opening arc rod 210 and the closing arc rod 310 are horizontally disposed and perpendicular to each other, the opening arc rod 410 and the closing arc rod 500 are vertically disposed, the opening arc rod 210 and the opening arc rod 410 are perpendicular to each other, and the closing arc rod 310 and the closing arc rod 500 are perpendicular to each other. It should be understood that the specific positions of the opening movable arc rod 210 and the closing movable arc rod 310 and the specific positions of the closing movable arc rod 310 and the closing static arc rod 500 can be set according to actual conditions, and only the matching between the two is required to be ensured, so as to meet the effect to be achieved during closing and opening.
Further, the opening arc rod 210, the closing arc rod 310, the opening arc rod 410 and the closing arc rod 500 are all made of copper-tungsten alloy. It should be understood by those skilled in the art that the materials of the opening arc rod 210, the closing arc rod 310, the opening arc rod 410 and the closing arc rod 500 may be selected according to different applications, and preferably, in this embodiment, a copper-tungsten alloy is selected, which has good electrical and thermal conductivity, high strength, high density, can withstand high temperature, and has certain plasticity.
The operation of the present embodiment will be briefly described with reference to fig. 1 to 6.
The switching-on process is as follows:
when the isolating switch is switched on, the contact 110 and the contact finger 120 respectively use the end part of the outermost end as an axis to synchronously perform switching-on motion towards the middle, when the contact 110 and the contact finger 120 move to the position close to each other, the contact distance between the switching-on movable arc rod 310 and the switching-on static arc rod 500 is the shortest, an electric arc begins to be generated between the two, in the continuous switching-on motion, the switching-on movable arc rod 310 and the switching-on static arc rod 500 begin to contact with each other, the switching-on movable arc rod 310 reliably contacts with the switching-on static arc rod 500 under the action of the pretightening force of the first torsion spring 321, the electric arc is extinguished, and the contact 110 and the contact finger 120 continue to be switched on and meshed at the moment, because the switching-on movable arc rod 310 and the switching-on static arc rod 500 contact with each other in advance to extinguish the electric arc, the contact 110 and the contact finger 120 are protected from arc burning loss.
In the closing process, after the closing movable arc rod 310 and the closing static arc rod 500 start to contact, the front edge of the insulating hook plate 230 on the opening movable arc rod device 200 starts to contact with the opening static arc rod 410, the opening static arc rod 410 is located on one side of the second limiting pin 424 close to the opening movable arc rod 210, and can only rotate by an angle towards the opening movable arc rod 210, and in the continuing closing motion, under the acting force of the opening static arc rod 410, the opening movable arc rod 210 slides in the sliding hole on the sliding seat 220 towards the direction of the return spring 221. Continuing the closing motion, the opening static arc rod 410 is separated from the front edge of the insulating hook plate 230, and the opening dynamic arc rod 210 returns to the original state under the action of the reset spring 221; at this time, the opening arc rod 210 is shortened by compressing the length of the opening arc rod 210 from the outer side of the opening arc rod 410 and then is reset, when the opening arc rod is at the closing position, the opening arc rod 210 crosses the opening arc rod 410 and reaches the inner side of the opening arc rod 410, the outer side of the opening arc rod 410 is the side close to the opening arc rod 210, and the inner side of the opening arc rod 410 is the side far away from the opening arc rod 210.
The brake separating process comprises the following steps:
when the isolating switch is opened, the contact 110 and the contact finger 120 respectively use the end part of the outermost end as an axis, the opening motion is synchronously performed from the middle to the outside, when the opening reaches a certain angle, the opening movable arc rod 210 starts to hook the opening static arc rod 410, in the process of continuing opening, the contact 110 and the contact finger 120 are firstly separated, then the closing movable arc rod 310 and the closing static arc rod 500 are separated, in the process, the opening static arc rod 410 is changed into a small angle around the second rotating seat 420, at the moment, the opening movable arc rod 210 hooks the opening static arc rod 410, and the opening static arc rod 410 slides on the opening movable arc rod 210. Before this process, no arcing between the contact 110 and the fingers 120 has occurred. The opening operation is continued, the opening static arc rod 410 begins to be separated from the opening moving arc rod 210, under the action of the second torsion spring of the second rotating seat 420, the opening static arc rod 410 can be rapidly reset, the opening moving arc rod 210 also can be rapidly reset under the action of the reset spring 221, an electric arc is generated between the opening static arc rod 410 and the opening moving arc rod 210, the speed of resetting of the opening static arc rod 410 and the opening moving arc rod 210 is high, the electric arc is cut off at a high speed, the isolating switch completes the opening operation, the contact 110 and the contact finger 120 cannot be burnt, and the service life of the device is prolonged.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A horizontal open type high-voltage isolating switch bus conversion test device comprises a contact, a contact finger, an opening arc rod device and a closing arc rod device which are arranged on the contact, and an opening static arc rod device and a closing static arc rod which are arranged on the contact finger; wherein,
the opening brake moving arc rod device comprises an opening brake moving arc rod, a sliding seat and an insulating hook plate, the opening brake moving arc rod is slidably arranged on the sliding seat along the axial direction of the opening brake moving arc rod, a reset spring used for resetting the opening brake moving arc rod is further arranged on the sliding seat, and the insulating hook plate is arranged at the end part, far away from the sliding seat, of the opening brake moving arc rod;
the switching-on movable arc rod device comprises a switching-on movable arc rod and a first rotating seat, the switching-on movable arc rod is rotatably connected with the first rotating seat so as to enable the switching-on movable arc rod to rotate around the axis of the first rotating seat on the first rotating seat, and a first torsion spring for resetting the switching-on movable arc rod is further arranged on the first rotating seat;
the brake separating static arc rod device comprises a brake separating static arc rod and a second rotating seat, the brake separating static arc rod is rotatably connected with the second rotating seat so as to enable the brake separating static arc rod to rotate on the second rotating seat around the axis of the second rotating seat, and a second torsion spring for resetting the brake separating static arc rod is further arranged on the second rotating seat;
the opening dynamic arc rod and the opening static arc rod are arranged in a matched mode, and the closing dynamic arc rod and the closing static arc rod are arranged in a matched mode;
under the action of closing of the isolating switch, the closing movable arc rod is contacted with the closing static arc rod, the closing movable arc rod rotates around the axis of the first rotating seat under the action of the closing static arc rod, and the closing movable arc rod is abutted against the closing static arc rod in the closing state of the isolating switch; the insulating hook plate is contacted with the opening static arc rod, the opening movable arc rod slides towards the sliding seat under the action of the opening static arc rod, and the opening movable arc rod is reset under the action of the reset spring after passing over the opening static arc rod;
under the action of isolating switch separating, the arc pole is moved in the combined floodgate with the quiet arc pole of combined floodgate separates, the arc pole is moved in the combined floodgate is in restore to the throne under the effect of first torsional spring, the quiet arc pole of separating the brake is in move the effect of arc pole orientation under the separating brake the arc pole rotates, the arc pole is moved in the separating brake with the quiet arc pole of separating the brake separates the back, the quiet arc pole of separating the brake is in restore to the throne under the effect of second torsional spring.
2. The apparatus of claim 1, wherein the sliding seat has a sliding hole, the opening arc rod has a first end and a second end opposite to each other, the return spring is sleeved on the first end and abuts against the outer sidewall of the sliding hole and the second end, and the first end of the opening arc rod extends into the return spring and the sliding hole completely or partially.
3. The apparatus for bus bar transition test of horizontal opening type high voltage isolation switch according to claim 2, wherein the opening arc rod apparatus further comprises a first mounting plate and a guiding plate, the first mounting plate is fixed on the contact, and the sliding seat is fixed on the first mounting plate; the guide plate is of an L-shaped structure and comprises a short plate and a long plate which are perpendicular to each other; the middle part of the short plate is provided with a through hole for the opening brake moving arc rod to pass through, the reset spring is abutted between the outer side wall of the sliding hole and the outer side wall of the through hole, and the bottom of the long plate is attached to the top surface of the sliding seat so as to guide the sliding of the opening brake moving arc rod.
4. The apparatus for testing bus bar conversion of a horizontal opening type high-voltage isolating switch according to claim 3, wherein the first mounting plate is of a zigzag structure, one end of the first mounting plate is fixed on the contact, and the sliding seat is fixed on the other end of the first mounting plate.
5. The bus bar conversion test device for the horizontally opened high-voltage isolating switch according to claim 1, wherein the switching-on movable arc rod device further comprises a second mounting plate, the second mounting plate is of a Z-shaped structure, and the first rotating seat is mounted on the contact finger through the second mounting plate.
6. The device for bus bar conversion test of the horizontally opened high voltage isolation switch according to claim 5, wherein the first rotating base includes a first connecting shaft, a first rotating block and a first limiting pin, the first connecting shaft is fixed on the second mounting plate, the first rotating block is rotatably connected to the first connecting shaft, the switching-on moving arc rod is rotatably connected to the first connecting shaft through the first rotating block, the first torsion spring is installed on one side of the first connecting shaft corresponding to the switching-on moving arc rod, and the first limiting pin is fixedly connected to the first connecting shaft through a first connecting piece so as to block the switching-on moving arc rod from rotating toward the switching-on direction.
7. The device for bus conversion test of the horizontally-opened high-voltage isolating switch according to claim 6, wherein the second rotating base comprises a second connecting shaft, a second rotating block and a second limiting pin, the second connecting shaft is fixed on the contact finger, the second rotating block is rotatably connected with the second connecting shaft, the second torsion spring is mounted on one side of the second connecting shaft corresponding to the opening static arc rod, the opening static arc rod is rotatably connected to the second connecting shaft through the second rotating block, and the second limiting pin is fixedly connected with the second connecting shaft through a second connecting piece so as to block the opening static arc rod from rotating towards the closing direction.
8. The horizontal open type high-voltage isolating switch bus conversion test device according to claim 7, wherein a plurality of adjusting holes are formed in the first connecting piece and the second connecting piece, one side of the first torsion spring extends into the adjusting hole of the first connecting piece, and one side of the second torsion spring extends into the adjusting hole of the second connecting piece, so that the pre-tightening force can be adjusted.
9. The device for bus conversion test of the horizontally opened high-voltage isolating switch according to claim 1, wherein the opening arc rod and the closing arc rod are horizontally arranged and perpendicular to each other, the opening arc rod and the closing arc rod are vertically arranged, the opening arc rod and the opening arc rod are perpendicular to each other, and the closing arc rod are perpendicular to each other.
10. The bus conversion test device for the horizontally-opened high-voltage isolating switch according to claim 1, wherein the opening arc rod, the closing arc rod, the opening static arc rod and the closing static arc rod are made of copper-tungsten alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959306.8U CN216528598U (en) | 2021-11-29 | 2021-11-29 | Horizontal open type high-voltage isolating switch bus conversion test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959306.8U CN216528598U (en) | 2021-11-29 | 2021-11-29 | Horizontal open type high-voltage isolating switch bus conversion test device |
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| CN216528598U true CN216528598U (en) | 2022-05-13 |
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| CN202122959306.8U Active CN216528598U (en) | 2021-11-29 | 2021-11-29 | Horizontal open type high-voltage isolating switch bus conversion test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050085A (en) * | 2021-11-29 | 2022-02-15 | 湖南长高高压开关集团股份公司 | Horizontal open type high-voltage isolating switch bus conversion test device |
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2021
- 2021-11-29 CN CN202122959306.8U patent/CN216528598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050085A (en) * | 2021-11-29 | 2022-02-15 | 湖南长高高压开关集团股份公司 | Horizontal open type high-voltage isolating switch bus conversion test device |
| CN114050085B (en) * | 2021-11-29 | 2024-11-01 | 长高电新科技股份公司 | Horizontal opening type high-voltage isolating switch bus conversion test device |
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Address after: 410000 No. 393, section 3, Jinxing North Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. Address before: 410000 No. 393, section 3, Jinxing North Road, economic and Technological Development Zone, Wangcheng District, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. |