CN116631795A - Oil-immersed vacuum on-load tap-changer - Google Patents
Oil-immersed vacuum on-load tap-changer Download PDFInfo
- Publication number
- CN116631795A CN116631795A CN202310702771.4A CN202310702771A CN116631795A CN 116631795 A CN116631795 A CN 116631795A CN 202310702771 A CN202310702771 A CN 202310702771A CN 116631795 A CN116631795 A CN 116631795A
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- Prior art keywords
- load tap
- changer
- oil
- sleeve
- shaped
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- 238000010079 rubber tapping Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 230000009471 action Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0038—Tap change devices making use of vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/56—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an oil-immersed vacuum on-load tap-changer, which comprises: the switch body, the bottom of switch body is provided with the outer loop, and the bottom of outer loop is provided with the swivel, and the both sides of swivel are provided with limit piece, and the bottom of limit piece is provided with the screw rod, is provided with movable block, nut on the screw rod, and the bottom of outer loop is provided with the base ring, and inner ring groove, outer loop groove have been seted up at the top of base ring, and outer loop groove is located the outside of two screw rods and two movable blocks, and outer loop groove is located the bottom of two nuts. This oil-immersed vacuum on-load tap-changer is through installing the nut, and the staff twists the nut, makes the nut upwards remove under the screw support of screw rod, and the outer loop can drive movable block and nut through limit piece and screw rod and remove, makes the movable block remove along the inboard in outer loop groove, and after the staff rotated the switch body to suitable angle, the nut was screwed down again and is fixed the screw rod, and the staff rotated the oil-immersed vacuum on-load tap-changer to suitable angle and install work.
Description
Technical Field
The invention relates to the technical field of on-load tap-changers, in particular to an oil-immersed vacuum on-load tap-changer.
Background
The oil-immersed vacuum on-load tap-changer is one of indispensable components in the oil-immersed transformer, and a worker can control the transformer by installing the oil-immersed vacuum on-load tap-changer on the inner side of an oil tank of the transformer, so that the oil-immersed vacuum on-load tap-changer is heavy and inconvenient to rotate by the worker, and the installation of the oil-immersed vacuum on-load tap-changer is difficult.
The Chinese patent document CN215770912U discloses an oil-immersed vacuum on-load tap-changer, which comprises a base plate, four universal wheels are fixedly connected to the bottom of the base plate, four supporting springs are fixedly connected to the top of the base plate, a connecting plate is fixedly connected between the tops of the four supporting springs, a tap-changer body is fixedly connected to the top of the connecting plate, Y-shaped rods are fixedly connected to the left side and the right side of the tap-changer body, side damping springs are fixedly connected to the sides, deviating from, of the two Y-shaped rods, bottom damping springs are fixedly connected to the bottom of the Y-shaped rods, leaf springs are fixedly connected to the bottom of the connecting plate, extension plates are fixedly connected to the left side and the right side of the base plate, threaded holes are formed in the tops of the extension plates, threaded rods are connected to the inner sides of the threaded holes, and the oil-immersed vacuum on-load tap-changer is convenient to move and good in damping performance. The above publications mainly disclose problems of convenience in movement and good shock absorbing performance.
The existing oil-immersed vacuum on-load tap-changer generally needs a worker to carry the existing oil-immersed vacuum on-load tap-changer by himself, the oil-immersed vacuum on-load tap-changer can be adjusted to a proper installation direction for installation, the installation of the oil-immersed vacuum on-load tap-changer by the worker is inconvenient, and the manual labor of the worker is increased.
Therefore, there is a need for an oil-immersed vacuum on-load tap-changer that at least partially solves the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides an oil-immersed vacuum on-load tap-changer, comprising: the switch body, the bottom of switch body is provided with the outer loop, the bottom of outer loop is provided with the swivel, the both sides of swivel are provided with limit piece, the bottom of limit piece is provided with the screw rod, be provided with movable block, nut on the screw rod, the nut is located the top of movable block, the bottom of outer loop is provided with the base ring, interior annular groove, outer loop groove have been seted up at the top of base ring, interior loop groove is located the outside of swivel, outer loop groove is located the outside of two screw rods and two movable blocks, outer loop groove is located the bottom of two nuts.
According to the oil-immersed vacuum on-load tap-changer provided by the embodiment of the invention, the nameplate is arranged on the outer wall of the switch body, the top of the switch body is provided with the top cover, and the top of the top cover is provided with the fixing ring.
According to the oil immersed vacuum on-load tap changer disclosed by the embodiment of the invention, the switch body comprises a change-over switch and a tap selector, the change-over switch is arranged at the upper end of the tap selector, an outer sleeve assembly is arranged in the change-over switch, the outer sleeve assembly comprises a first sleeve body, a second sleeve body and a plurality of inner support modules, the first sleeve body is arranged in the second sleeve body, the plurality of inner support modules are uniformly distributed between the first sleeve body and the second sleeve body, the inner support modules comprise a plurality of C-shaped transverse flitch plates, the plurality of C-shaped transverse flitch plates are sequentially arranged on the inner wall of the second sleeve body from top to bottom, the inner wall of the end part of each C-shaped transverse flitch plate is connected with the first sleeve body through a transverse inner spring, and a middle inner support piece is arranged between two upper and lower adjacent transverse inner springs.
According to the oil immersed vacuum on-load tap changer disclosed by the embodiment of the invention, the middle inner support piece comprises a middle vertical rod, a bearing piece and a plurality of C-shaped bearing bodies, the middle vertical rod is connected between the upper adjacent transverse inner springs and the lower adjacent transverse inner springs, the bearing piece comprises an inner shaft sleeve, an outer shaft sleeve and a plurality of inner roller bodies, the inner shaft sleeve is sleeved on the middle vertical rod, the outer shaft sleeve is rotationally sleeved on the inner shaft sleeve through the plurality of inner roller bodies, the plurality of C-shaped bearing bodies are movably arranged on the outer shaft sleeve, and an auxiliary framework part is arranged in the C-shaped bearing bodies.
According to the oil immersed type vacuum on-load tap changer provided by the embodiment of the invention, the C-shaped supporting body comprises the C-shaped outer contact plate, two inclined plates and a vertical corner block, wherein the upper end and the lower end of the vertical corner block are respectively connected to the outer shaft sleeve through a hinge seat, the two inclined plates are arranged on two sides of the vertical corner block, the C-shaped outer contact plate is arranged between the two inclined plates, and a plurality of auxiliary supports are arranged between the inclined plates and the outer shaft sleeve.
According to the oil immersed vacuum on-load tap changer disclosed by the embodiment of the invention, the auxiliary support comprises a corner plate seat, a first spring seat, a first auxiliary spring and a second spring seat, wherein the corner plate seat is arranged on the outer shaft sleeve and positioned between the inclined plate and the outer shaft sleeve, the first spring seat is arranged on the corner plate seat, the second spring seat is arranged on the inclined plate, the first auxiliary spring is arranged between the first spring seat and the second spring seat, the plurality of second spring seats are connected through a C-shaped inner contact plate, and the C-shaped inner contact plate abuts against the inner wall of the C-shaped outer contact plate.
According to the oil-immersed vacuum on-load tap changer, the auxiliary framework part comprises a framework block, a transverse framework supporting rod, a second auxiliary spring and an inner contact supporting block, wherein the framework block is arranged on the outer wall of the vertical corner block, the transverse framework supporting rod is arranged on the framework block, the second auxiliary spring is arranged at the outer end of the transverse framework supporting rod, and the inner contact supporting block is arranged at the outer end of the second auxiliary spring and supports against the inner wall of the C-shaped inner contact plate.
According to the oil-immersed vacuum on-load tap-changer provided by the embodiment of the invention, the outer side of the switch body is provided with the round shell, the inner side of the round shell is provided with the sliding block, and the bottom of the sliding block is provided with the supporting plate.
According to the oil-immersed vacuum on-load tap-changer provided by the embodiment of the invention, one side of the supporting plate is provided with the fixed shell, one side of the fixed shell is provided with the two semicircular blocks, a vertical shaft rod is arranged between the two semicircular blocks, and the outer wall of the fixed shell is provided with the thread piece.
According to the oil-immersed vacuum on-load tap-changer provided by the embodiment of the invention, the movable shell is arranged on the outer side of the vertical shaft rod, the movable shell is positioned on one side of the fixed shell, the outer wall of the movable shell is provided with the supporting piece, the supporting piece is positioned on one side of the thread piece, the screw rod is arranged in the supporting piece in a penetrating thread way, and the screw rod is in threaded connection with the thread piece.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the invention provides an oil-immersed vacuum on-load tap-changer, which is characterized in that a nut is arranged, a worker screws the nut to enable the nut to move upwards under the support of threads of a screw rod, the nut does not extrude a moving block through the screw rod and a bottom ring to fix the moving block, the worker can rotate a switch body, the switch body can drive a rotating ring to rotate along the inner side of an inner ring groove through an outer ring under the action of external force, meanwhile, the outer ring can drive the moving block and the nut to move through an edge block and the screw rod, the moving block can move along the inner side of an outer ring groove, the worker can fix the screw rod by screwing the nut after rotating the switch body to a proper angle, and the device can facilitate the worker to rotate the oil-immersed vacuum on-load tap-changer when the worker installs the oil-immersed vacuum on-load tap-changer, so that the worker can rotate the oil-immersed vacuum on-load tap-changer to a proper angle for installation work.
2. The invention provides an oil-immersed vacuum on-load tap-changer, which is characterized in that a fixed shell is arranged, a worker rotates the fixed shell, the fixed shell can drive a sliding block to move along the inner side of a round shell through a supporting plate under the action of external force, the fixed shell can drive a part related to the fixed shell to rotate to a proper angle, the worker screws a screw rod, the screw rod moves under the screw support of a thread piece and a supporting piece, the screw rod can move out of the inner side of the thread piece, the screw rod is fixed on a movable shell through the thread piece and the supporting piece, the worker moves the movable shell, the movable shell rotates around a long bolt under the action of external force, the worker can open the movable shell to operate a switch body, and the device can wrap an operating part on the switch body when the worker installs the oil-immersed vacuum on-load tap-changer, so that the switch body can be protected.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of a portion of the bottom ring according to the present invention.
FIG. 3 is a top view of the bottom ring structure of the present invention.
Fig. 4 is a top view showing a part of the structure of the fixing case in the present invention.
Fig. 5 is a schematic view of a portion of the structure of the support plate according to the present invention.
FIG. 6 is a schematic view of an outer sleeve assembly according to the present invention.
Fig. 7 is a schematic view of a part of the internal support module in the present invention.
Fig. 8 is a schematic structural view of the intermediate inner stay according to the present invention.
Fig. 9 is a schematic view of a part of the structure of the bearing member of the present invention.
Fig. 10 is a schematic structural view of a C-shaped carrier according to the present invention.
Fig. 11 is a schematic view of a part of the structure of the auxiliary support in the present invention.
Fig. 12 is a schematic structural view of an auxiliary skeleton portion in the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-5, the present invention provides an oil-immersed vacuum on-load tap-changer, comprising: the switch body 1, the switch body 1 can provide the support for its associated part, and the switch body 1 is oily formula vacuum on-load tap-changer, and the staff is through controlling switch body 1 to make switch body 1 can control the transformer tank, thereby make switch body 1 can control the transformer tank.
Further, an outer ring 5 is arranged at the bottom of the switch body 1, a swivel 6 is arranged at the bottom of the outer ring 5, edge blocks 7 are arranged on two sides of the swivel 6, a screw rod 8 is arranged at the bottom of the edge blocks 7, a moving block 9 and a nut 10 are arranged on the screw rod 8, the nut 10 is arranged at the top of the moving block 9, a bottom ring 11 is arranged at the bottom of the outer ring 5, an inner ring groove 12 and an outer ring groove 13 are arranged at the top of the bottom ring 11, the inner ring groove 12 is arranged at the outer side of the swivel 6, the outer ring groove 13 is arranged at the outer sides of the two screw rods 8 and the two moving blocks 9, and the outer ring groove 13 is arranged at the bottoms of the two nuts 10.
Through the design of above-mentioned structure, the staff twists nut 10, make nut 10 upwards remove under the screw support of screw rod 8, make nut 10 no longer extrude movable block 9 through screw rod 8 and bottom ring 11 and fix movable block 9, make the staff can rotate switch body 1, make switch body 1 can drive swivel 6 through outer loop 5 and rotate along the inboard of inner ring groove 12 under the effect of external force, simultaneously, outer loop 5 can drive movable block 9 and nut 10 through limit piece 7 and screw rod 8 and remove, make movable block 9 can remove along the inboard of outer ring groove 13, the staff rotates switch body 1 to suitable angle after, screw nut 10 is tightened again and fix screw rod 8, the staff is when installing oil-immersed vacuum on-load tap changer, the device can make things convenient for the staff to rotate oil-immersed vacuum on-load tap changer, thereby can the staff rotate oil-immersed vacuum on-load tap changer to suitable angle and install work.
Further, a nameplate 101 is mounted on the outer wall of the switch body 1, a top cover 102 is arranged at the top of the switch body 1, and a fixing ring 103 is arranged at the top of the top cover 102. The name plate 101 is fixed on the switch body 1 as the name of the oil immersed type vacuum on-load tap changer, the top cover 102 can protect the top of the switch body 1 under the fixed support of the switch body 1, the top cover 102 can fix the fixed ring 103, a worker fixes a steel rope of an external hoisting device on the fixed ring 103, and the switch body 1 is moved by controlling the external hoisting device.
Further, a round shell 14 is installed on the outer side of the switch body 1, a sliding block 15 is installed on the inner side of the round shell 14, a supporting plate 16 is arranged at the bottom of the sliding block 15, a fixed shell 17 is installed on one side of the supporting plate 16, two semicircular blocks 18 are installed on one side of the fixed shell 17, a vertical shaft rod 19 is installed between the two semicircular blocks 18, a thread piece 21 is installed on the outer wall of the fixed shell 17, a movable shell 20 is installed on the outer side of the vertical shaft rod 19, the movable shell 20 is located on one side of the fixed shell 17, a supporting plate 23 is installed on the outer wall of the movable shell 20, the supporting plate 23 is located on one side of the thread piece 21, a screw rod 22 is arranged in the supporting plate 23 in a penetrating thread mode, and the screw rod 22 is in threaded connection with the thread piece 21.
Through the above structural design, the round shell 14 can provide guiding function for the movement of the sliding block 15 under the fixed support of the switch body 1, so that the sliding block 15 can support the upper supporting plate to stably move under the action of external force, the supporting plate 16 can provide support for the fixed shell 17, and the semicircular block 18 can provide support for the vertical shaft lever 19 under the fixed support of the fixed shell 17.
The staff rotates the fixed shell 17, the fixed shell 17 can drive the sliding block 15 to move along the inner side of the round shell 14 through the supporting plate 16 under the action of external force, the fixed shell 17 can drive the parts related to the fixed shell to rotate to a proper angle, the staff screws the screw rod 22, the screw rod 22 moves under the threaded support of the threaded sheet 21 and the supporting sheet 23, the screw rod 22 can move out of the inner side of the threaded sheet 21, the screw rod 22 is not fixed to the movable shell 20 through the threaded sheet 21 and the supporting sheet 23 any more, the staff moves the movable shell 20, the movable shell 20 rotates around the vertical shaft rod 19 under the action of external force, the staff can open the movable shell 20 to operate the switch body 1, and when the staff installs the oil-immersed vacuum on-load tap changer, the device can wrap the operating parts on the switch body 1, so that the switch body 1 can be protected.
As shown in fig. 6-7, the switch body 1 further includes a diverter switch 2 and a tap selector 3, wherein the diverter switch 2 is installed at the upper end of the tap selector 3, and when the tap switch is used, pressure generated by heating a sealed air chamber in the diverter switch 2 needs to be released in time, otherwise, the tap switch is easy to fail due to too high pressure, meanwhile, the risk of explosion due to too high pressure is reduced, and the safety of the tap switch in use is reduced. A pressure release valve (not shown) is installed on the change-over switch 2 to automatically release the pressure;
in addition, in order to further increase the safety of the switch 2, the switch 2 is defined herein, wherein the switch 2 has an outer sleeve assembly 21, the outer sleeve assembly 21 is designed by adopting a double-layer cylinder structure of a first sleeve body 22 and a second sleeve body 23, the capacity of bearing internal pressure can be greatly increased, a plurality of internal bracing modules 24 are further arranged between the first sleeve body 22 and the second sleeve body 23, and the capacity of bearing pressure of the first sleeve body 22 and the second sleeve body 23 is further increased through the plurality of internal bracing modules 24, so that the switch 2 can bear internal pressure and external impact, such as shock, collision and the like in the process of carrying.
Through the above structural design, the outer sleeve assembly 21 comprises a first sleeve body 22, a second sleeve body 23 and a plurality of internal supporting modules 24, specifically, the first sleeve body 22 is installed in the second sleeve body 23, and the first sleeve body 22 and the second sleeve body 23 serve as main bearing pressure components to provide protection functions for the components such as an internal sealed air chamber and the like;
as shown in fig. 8-12, a plurality of internal bracing modules 24 are uniformly distributed between the first sleeve body 22 and the second sleeve body 23, the internal bracing modules 24 comprise a plurality of C-shaped transverse flitch plates 241, wherein the plurality of C-shaped transverse flitch plates 241 are sequentially installed on the inner wall of the second sleeve body 23 from top to bottom, the inner wall of the end part of the C-shaped transverse flitch plates 241 are connected with the first sleeve body 22 through transverse internal springs 242, the C-shaped transverse flitch plates 241 provide installation positions for other components, and two transverse internal springs 242 transversely support between the first sleeve body 22 and the second sleeve body 23, so that the bearing pressure capacity of the first sleeve body 22 and the second sleeve body 23 is increased.
Further, an intermediate inner support member 25 is further installed between the two vertically adjacent lateral inner springs 242, wherein the first sleeve body 22 and the second sleeve body 23 are further reinforced by the intermediate inner support member 25, and the intermediate inner support member 25 has a high bearing capacity, so that the inner elastic support can be provided for the first sleeve body 22 and the second sleeve body 23 for a long period of time to improve the bearing pressure of the first sleeve body 22 and the second sleeve body 23.
Further, in order to achieve the above-mentioned function of the intermediate inner support member 25, the intermediate inner support member 25 herein includes an intermediate vertical rod 26, a bearing member 27, and a plurality of C-shaped supporting bodies 28, wherein the intermediate vertical rod 26 is installed and connected between upper and lower adjacent lateral inner springs 242, the bearing member 27 is installed on the intermediate vertical rod 26, the plurality of C-shaped supporting bodies 28 are uniformly arranged on the bearing member 27, and the diameter of the intermediate inner support member 25 is equal to the distance between the first sleeve body 22 and the second sleeve body 23.
Through the above structural design, the corresponding C-shaped bearing bodies 28 of the bearing members 27 are respectively contacted with the outer wall of the first sleeve body 22 and the inner wall of the second sleeve body 23, so that when the first sleeve body 22 or the second sleeve body 23 is subjected to pressure and is transferred to the middle internal supporting member 25, the internal C-shaped bearing bodies 28 can support the first sleeve body 22 or the second sleeve body 23 so as to offset the pressure, and any C-shaped bearing bodies 28 can provide the functions because the bearing members 27 can rotate.
The bearing member 27 includes an inner sleeve 271, an outer sleeve 272, and a plurality of inner rollers, wherein the inner sleeve 271 is sleeved on the middle vertical rod 26, and the outer sleeve 272 is rotatably sleeved on the inner sleeve 271 through a plurality of inner rollers, and the inner rollers have a certain length, so that the outer sleeve 272 can rotate on the inner sleeve 271 more smoothly.
Further, the plurality of C-shaped bearing bodies 28 are movably disposed on the outer sleeve 272, where the C-shaped bearing bodies 28 include a C-shaped outer contact plate 281, two inclined plates 282 and a vertical corner block 283, specifically, the upper end and the lower end of the vertical corner block 283 are respectively connected to the outer wall of the outer sleeve 272 through a hinge seat 274, the two inclined plates 282 are mounted on two sides of the vertical corner block 283, the C-shaped outer contact plate 281 is mounted between the two inclined plates 282, the C-shaped outer contact plate 281 can contact with the outer wall of the first sleeve body 22 or contact with the inner wall of the second sleeve body 23, so that when the C-shaped bearing bodies 28 are stressed, the C-shaped outer contact plate 281 deforms inwards to push the two inclined plates 282, the auxiliary skeleton portion 29 is disposed in the C-shaped bearing bodies 28, so that the auxiliary skeleton portion 29 can receive the pressure of the C-shaped outer contact plate 281, and the auxiliary skeleton portion 29 can reversely support the C-shaped outer contact plate 281 to offset the pressure generated by the impact, and meanwhile, the C-shaped outer sleeve 272 can drive the plurality of C-shaped outer contact plates 28 to rotate, so that the C-shaped bearing bodies 28 can be greatly counteracted.
In addition, the C-shaped carrier 28 may swing left and right after being stressed, so a plurality of auxiliary supports 30 are further installed at two sides of the C-shaped carrier 28, specifically, the plurality of auxiliary supports 30 are respectively installed between the inclined plate 282 and the outer sleeve 272, and the two sides of the C-shaped carrier 28 are balanced and supported by the plurality of auxiliary supports 30, so that the C-shaped carrier 28 can be better stopped at the original position after the impact is finished, so that the subsequent continuous operation is facilitated.
As shown in fig. 10-11, further, in order to realize the balanced support of the auxiliary support 30 on the C-shaped carrier 28, the auxiliary support 30 includes a corner plate seat 301, a first spring seat 302, a first auxiliary spring 303, and a second spring seat 304, where the corner plate seat 301 is mounted on the outer sleeve 272 and is located between the inclined plate 282 and the outer sleeve 272, and the corner plate seat 301 is mounted with the first spring seat 302, and the second spring seat 304 is mounted on the inclined plate 282, where both sides of the second spring seat 304 are respectively mounted with an outer locking plate pad 306 and an inner locking pad 307, so that the second spring seat 304 can be fixed on the inclined plate 282, and the above-mentioned first auxiliary spring 303 is mounted between the first spring seat 302 and the second spring seat 304, so that when the C-shaped carrier 28 swings left and right, the inclined plate 282 extrudes the corresponding first auxiliary spring 303, and then the corresponding first auxiliary spring 303 is forced to push the inclined plate 282 in the opposite direction, so that the C-shaped carrier 28 can be better stopped in place, so as to facilitate the subsequent work.
Further, in order to make the auxiliary supports 30 on both sides participate in the dispersion support of the impact, the C-shaped inner contact plate 305 is installed on the inner side of the C-shaped outer contact plate 281, and the plurality of second spring seats 304 are connected by the C-shaped inner contact plate 305, further, a fixed inner groove 308 is opened on the inner end of the second spring seat 304, and the end of the C-shaped inner contact plate 305 is provided with a bending piece 309, the bending piece 309 is inserted and fixed into the fixed inner groove 308, and the C-shaped inner contact plate 305 and the second spring seat 304 can be firmly fixed, so that the C-shaped inner contact plate 305 abuts against the inner wall of the C-shaped outer contact plate 281, thus realizing the dispersion support of the impact by the auxiliary supports 30 on both sides, and increasing the impact bearing capability of the C-shaped outer contact plate 281.
As shown in fig. 12, further, the auxiliary skeleton portion 29 includes a skeleton block 291, a transverse skeleton stay 292, a second auxiliary spring 293, and an inner contact abutment 294, where the skeleton block 291 is mounted on an outer wall of the vertical corner block 283, the transverse skeleton stay 292 is mounted on the skeleton block 291, the second auxiliary spring 293 is mounted at an outer end of the transverse skeleton stay 292, the inner contact abutment 294 is mounted at an outer end of the second auxiliary spring 293 and abuts against an inner wall of the C-shaped inner contact plate 305, so when the C-shaped inner contact plate 305 is subjected to inward deformation by pressure transmission of the C-shaped outer contact plate 281, the C-shaped inner contact plate 305 generates pressure on the second auxiliary spring 293 through the inner contact abutment 294, so that the second auxiliary spring 293 generates elastic force after being stressed, and of course, the second auxiliary spring 293 can be selected as a compression spring, so that the second auxiliary spring 293 can provide elastic force support for the C-shaped inner contact plate 305 before being stressed, and actively counteracts an impact, and the structure such as the transverse skeleton stay 292, the skeleton stay 293, the skeleton block 293 and the like are fixed on the support plate, so that the second skeleton stay 293 is subjected to inward deformation by the second auxiliary spring 292, so that the second auxiliary spring 293 can generate elastic force by opposite force on the side of the support plate, and the second auxiliary spring 293 is subjected to reverse deformation by the opposite tension of the side of the frame stay plate.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. An oil immersed vacuum on-load tap-changer, comprising:
switch body (1), the bottom of switch body (1) is provided with outer loop (5), the bottom of outer loop (5) is provided with swivel (6), the both sides of swivel (6) are provided with limit piece (7), the bottom of limit piece (7) is provided with screw rod (8), be provided with movable block (9), nut (10) on screw rod (8), nut (10) are located the top of movable block (9), the bottom of outer loop (5) is provided with bottom ring (11), ring groove (12), outer loop groove (13) have been seted up at the top of bottom ring (11), interior ring groove (12) are located the outside of swivel (6), outer loop groove (13) are located the outside of two screw rods (8) and two movable blocks (9), outer loop groove (13) are located the bottom of two nuts (10).
2. The oil immersed vacuum on-load tap changer of claim 1, wherein: be provided with data plate (101) on the outer wall of switch body (1), the top of switch body (1) is provided with top cap (102), the top of top cap (102) is provided with solid fixed ring (103).
3. The oil immersed vacuum on-load tap changer of claim 1, wherein: switch body (1) is including change over switch (2), tapping selector (3), change over switch (2) set up the upper end at tapping selector (3), have outer sleeve subassembly (21) in change over switch (2), outer sleeve subassembly (21) include first sleeve body (22), second sleeve body (23) and a plurality of internal stay module (24), first sleeve body (22) set up in second sleeve body (23), a plurality of internal stay module (24) equipartition is between first sleeve body (22), second sleeve body (23), internal stay module (24) include a plurality of C type horizontal flitch (241), a plurality of C type horizontal flitch (241) are from top to bottom set gradually on the inner wall of second sleeve body (23), the tip inner wall of C type horizontal flitch (241) is connected with first sleeve body (22) through horizontal internal spring (242) to be provided with middle internal stay piece (25) between two adjacent horizontal internal spring (242) from top to bottom.
4. The oil-immersed vacuum on-load tap-changer of claim 3, wherein: the middle inner support piece (25) comprises a middle vertical rod (26), a bearing piece (27) and a plurality of C-shaped supporting bodies (28), the middle vertical rod (26) is connected between an upper adjacent transverse inner spring (242) and a lower adjacent transverse inner spring, the bearing piece (27) comprises an inner shaft sleeve (271), an outer shaft sleeve (272) and a plurality of inner roller bodies, the inner shaft sleeve (271) is sleeved on the middle vertical rod (26), the outer shaft sleeve (272) is rotationally sleeved on the inner shaft sleeve (271) through a plurality of inner roller bodies, the C-shaped supporting bodies (28) are movably arranged on the outer shaft sleeve (272), and an auxiliary framework (29) is arranged in the C-shaped supporting bodies (28).
5. The oil-immersed vacuum on-load tap changer of claim 4, wherein: the C-shaped supporting body (28) comprises a C-shaped outer contact plate (281), two inclined plates (282) and a vertical corner block (283), wherein the upper end and the lower end of the vertical corner block (283) are respectively connected to an outer shaft sleeve (272) through a hinge seat (274), the two inclined plates (282) are arranged on two sides of the vertical corner block (283), the C-shaped outer contact plate (281) is arranged between the two inclined plates (282), and a plurality of auxiliary supports (30) are arranged between the inclined plates (282) and the outer shaft sleeve (272).
6. The oil-immersed vacuum on-load tap-changer of claim 5, wherein: the auxiliary support (30) comprises a corner plate seat (301), a first spring seat (302), a first auxiliary spring (303) and a second spring seat (304), wherein the corner plate seat (301) is arranged on the outer shaft sleeve (272) and located between the inclined plate (282) and the outer shaft sleeve (272), the first spring seat (302) is arranged on the corner plate seat (301), the second spring seat (304) is arranged on the inclined plate (282), the first auxiliary spring (303) is arranged between the first spring seat (302) and the second spring seat (304), and a plurality of second spring seats (304) are connected through C-shaped inner contact plates (305), and the C-shaped inner contact plates (305) are propped against the inner wall of the C-shaped outer contact plates (281).
7. The oil-immersed vacuum on-load tap-changer of claim 6, wherein: the auxiliary framework portion (29) comprises a framework block (291), a transverse framework supporting rod (292), a second auxiliary spring (293) and an inner contact supporting block (294), wherein the framework block (291) is arranged on the outer wall of the vertical corner block (283), the transverse framework supporting rod (292) is arranged on the framework block (291), the second auxiliary spring (293) is arranged at the outer end of the transverse framework supporting rod (292), and the inner contact supporting block (294) is arranged at the outer end of the second auxiliary spring (293) and supports against the inner wall of the C-shaped inner contact plate (305).
8. The oil immersed vacuum on-load tap changer of claim 1, wherein: the switch is characterized in that a round shell (14) is arranged on the outer side of the switch body (1), a sliding block (15) is arranged on the inner side of the round shell (14), and a supporting plate (16) is arranged at the bottom of the sliding block (15).
9. The oil immersed vacuum on-load tap changer of claim 8, wherein: one side of backup pad (16) is provided with fixed shell (17), one side of fixed shell (17) is provided with two semicircle pieces (18), two be provided with vertical axostylus axostyle (19) between semicircle piece (18), be provided with screw thread piece (21) on the outer wall of fixed shell (17).
10. The oil immersed vacuum on-load tap changer of claim 9, wherein: the outside of vertical axostylus axostyle (19) is provided with movable shell (20), movable shell (20) are located one side of fixed shell (17), be provided with supporting plate (23) on the outer wall of movable shell (20), supporting plate (23) are located one side of screw piece (21), the inside run through screw thread of supporting plate (23) is provided with screw pole (22), screw pole (22) and screw piece (21) spiro union.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702771.4A CN116631795B (en) | 2023-06-14 | 2023-06-14 | Oil-immersed vacuum on-load tap-changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702771.4A CN116631795B (en) | 2023-06-14 | 2023-06-14 | Oil-immersed vacuum on-load tap-changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116631795A true CN116631795A (en) | 2023-08-22 |
| CN116631795B CN116631795B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310702771.4A Active CN116631795B (en) | 2023-06-14 | 2023-06-14 | Oil-immersed vacuum on-load tap-changer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765927U (en) * | 2010-07-28 | 2011-03-16 | 西安东方电气工程研究所 | Compact oil-immersion type vacuum on-load tap-changer |
| CN211417311U (en) * | 2020-01-14 | 2020-09-04 | 吴江市瑞丰机械有限公司 | Handrail shock attenuation machinery haulage equipment |
| CN111668006A (en) * | 2020-07-01 | 2020-09-15 | 贵州长征电气有限公司 | Oil-immersed simple vacuum on-load tap-changer |
| CN214407444U (en) * | 2021-02-05 | 2021-10-15 | 牟海洋 | Measure surveyor's level for building engineering |
-
2023
- 2023-06-14 CN CN202310702771.4A patent/CN116631795B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765927U (en) * | 2010-07-28 | 2011-03-16 | 西安东方电气工程研究所 | Compact oil-immersion type vacuum on-load tap-changer |
| CN211417311U (en) * | 2020-01-14 | 2020-09-04 | 吴江市瑞丰机械有限公司 | Handrail shock attenuation machinery haulage equipment |
| CN111668006A (en) * | 2020-07-01 | 2020-09-15 | 贵州长征电气有限公司 | Oil-immersed simple vacuum on-load tap-changer |
| CN214407444U (en) * | 2021-02-05 | 2021-10-15 | 牟海洋 | Measure surveyor's level for building engineering |
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| Publication number | Publication date |
|---|---|
| CN116631795B (en) | 2024-05-17 |
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