CN115910641A - Single-phase dry vacuum loaded tap-changer - Google Patents
Single-phase dry vacuum loaded tap-changer Download PDFInfo
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- CN115910641A CN115910641A CN202211456233.3A CN202211456233A CN115910641A CN 115910641 A CN115910641 A CN 115910641A CN 202211456233 A CN202211456233 A CN 202211456233A CN 115910641 A CN115910641 A CN 115910641A
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Abstract
The invention relates to the technical field of vacuum on-load tap-changers, in particular to a single-phase dry type vacuum on-load tap-changer; including the switch body, filter plate and cleaning unit, cleaning unit includes lateral wall clearance mechanism and inside wall ejection mechanism, lateral wall clearance mechanism includes tubular motor, two connecting axles and two first motor power, inside wall ejection mechanism includes the mounting panel, two second motor power, the elastic component, ejecting arc board and cam pack, start first motor power, make tubular motor rotate round the switch body, start tubular motor, utilize a plurality of brush glues to carry out comprehensive cleanness to filter plate's lateral wall, and in the operation of first motor power, second motor power starts, make the mounting panel rotate round the switch body in filter plate's inside, start cam pack, utilize a plurality of lugs on the ejecting arc board to clear up the adnexed debris in the filter hole, avoid causing the influence to filter plate's gas circulation.
Description
Technical Field
The invention relates to the technical field of vacuum on-load tap-changers, in particular to a single-phase dry type vacuum on-load tap-changer.
Background
The single-phase dry type vacuum on-load tap-changer comprises three parts, namely a selector switch, a tap selector and an operating mechanism, but the tap selector of the existing single-phase dry type vacuum on-load tap-changer is exposed in the air, and meanwhile, the position of the tap selector is lack of a protection device, so that flying impurities and the like are accumulated, and a fire disaster is easily caused.
In order to solve the above problems, the prior patent publication (CN 216749710U) discloses an auxiliary installation mechanism for a dry vacuum on-load tap changer, which comprises a main body of the dry vacuum on-load tap changer and a filter screen plate sleeved on the main body, wherein the filter screen plate is located at a tap selector position of the main body, and the structure is adopted to filter gas flowing from the tap selector of the switch body through the work of the filter screen plate, so as to prevent impurities such as flying flocs and the like from accumulating in the tap selector to influence the work of the tap selector or cause fire.
However, when the existing single-phase dry-type vacuum on-load tap-changer is used, flying impurities in the air are continuously adhered to the surface of the filter screen plate and further accumulated in the filter holes of the filter screen plate, so that the gas circulation is influenced, the temperature in the dry-type vacuum on-load tap-changer is high, and the work of the dry-type vacuum on-load tap-changer is influenced.
Disclosure of Invention
The invention aims to provide a single-phase dry vacuum on-load tap-changer, which solves the problem that during the use of the single-phase dry vacuum on-load tap-changer in the prior art, flying impurities in the air are continuously adhered to the surface of a filter screen plate and further accumulated in filter holes of the filter screen plate, so that the high temperature in the dry vacuum on-load tap-changer is caused to influence the gas circulation, and the work of the dry vacuum on-load tap-changer is influenced.
In order to achieve the purpose, the invention provides a single-phase dry type vacuum on-load tap-changer which comprises a switch body, a filter screen plate and a cleaning unit, wherein the upper end and the lower end of the outer side wall of the switch body at a tap selector are respectively and symmetrically provided with a connecting ring plate, one surfaces, close to each other, of the connecting ring plates are respectively provided with an annular mounting groove, the filter screen plate is mounted between the two annular mounting grooves, and the filter screen plate covers the outside of the tap selector of the switch body;
the cleaning unit comprises an outer side wall cleaning mechanism and an inner side wall ejection mechanism, the outer side wall cleaning mechanism comprises a tubular motor, two connecting shafts and two first power motors, the inner side wall ejection mechanism comprises a mounting plate, two second power motors, an elastic part, an ejection arc plate and a cam assembly, one side, close to each other, of each connecting ring plate is also provided with a first driving groove and a second driving groove, the first driving groove is positioned on one side, far away from the switch body, of the annular mounting groove, the second driving groove is positioned on one side, close to the switch body, of the annular mounting groove, the inner wall of the first driving groove is provided with first teeth, the inner wall of the second driving groove is provided with second teeth, the two ends of the tubular motor are provided with the connecting shafts, and one end, far away from the tubular motor, of each connecting shaft is provided with the first power motor, each first power motor is respectively positioned inside one of the first driving grooves, the outer side wall of each first power motor is provided with a first tooth socket, the first tooth sockets are matched with the first teeth, the outer side wall of the tubular motor is provided with a plurality of sticky brushes, the two ends of the mounting plate are respectively provided with the second power motors, each second power motor is respectively positioned inside one of the second driving grooves, the outer side wall of each second power motor is provided with a second tooth socket, the second tooth sockets are matched with the second teeth, one surface, close to the inner side wall of the filter screen plate, of the mounting plate is provided with the elastic piece, one end, far away from the mounting plate, of the elastic piece is provided with the ejection arc plate, one end, close to the inner side wall of the filter screen plate, of the ejection arc plate is provided with a plurality of convex blocks, the convex block is matched with the filtering holes of the filtering screen plate, the cam assembly is further arranged on one surface, close to the filtering screen plate, of the mounting plate, and the output end of the cam assembly is matched with the ejection arc plate.
The cam assembly comprises a driving motor, a driving shaft and a cam, the driving motor is installed on one surface, close to the inner side wall of the filter screen plate, of the mounting plate, the output end of the driving motor is provided with the driving shaft, one end, far away from the driving motor, of the driving shaft is provided with the cam, and the cam corresponds to the ejection arc plate.
The number of the elastic pieces is multiple, and the elastic pieces are arranged between the ejection arc plate and the mounting plate.
Each elastic piece comprises a first connecting block, a spring body and a second connecting block, wherein one end of the spring body is provided with the first connecting block, the other end of the spring body is provided with the second connecting block, the first connecting block is detachably connected with the mounting plate, and the second connecting block is detachably connected with the ejection arc plate.
The single-phase dry vacuum on-load tap-changer further comprises a plurality of protective sleeves, and each protective sleeve is arranged outside the spring body.
Wherein, every the protective sheath all includes the solid fixed ring of flexible rubber sleeve, first solid fixed ring and second, flexible rubber sleeve cover is established the outside of spring body, the one end of flexible rubber sleeve is provided with first solid fixed ring, the other end of flexible rubber sleeve is provided with the solid fixed ring of second, first solid fixed ring with first connecting block bonds, the solid fixed ring of second with the second connecting block bonds.
Each connecting ring plate comprises a ring body and a mounting ring, one end of each ring body, which is far away from the annular placing groove, is fixedly connected with the mounting ring, and the mounting ring is detachably connected with the outer side wall of the switch body.
The invention discloses a single-phase dry type vacuum on-load tap-changer, which comprises a switch body, a filter screen plate and a cleaning unit, wherein the cleaning unit comprises an outer side wall cleaning mechanism and an inner side wall ejection mechanism, the outer side wall cleaning mechanism comprises a tubular motor, two connecting shafts and two first power motors, the inner side wall ejection mechanism comprises a mounting plate, two second power motors, an elastic component, an ejection arc plate and a cam component, the tubular motor is started, a plurality of sticky brushes are used for cleaning the outer side wall of the filter screen plate, the first power motors are started, the tubular motor rotates around the switch body, further the outer side wall of the filter screen plate is cleaned comprehensively, the second power motors are started while the first power motors operate, the mounting plate rotates around the switch body in the filter screen plate, when a lug on the ejection arc plate rotates to one row of filter holes, the cam component is started to drive the ejection arc plate to move towards the direction of the inner side wall of the filter screen plate, the lug penetrates through the corresponding filter hole, and the lug on-load tap-changer cleans the outer side wall of the filter screen plate by using the cleaning mechanism, and the outer side wall of the filter screen plate and prevents impurities from flowing out from being cleaned by the filter screen plate.
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 drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a single-phase dry vacuum on-load tap-changer according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view showing the structure that the filter screen plate is arranged on the connecting ring plate in the first embodiment of the invention.
Fig. 3 is an enlarged view of a portion of the structure of fig. 2 a according to the present invention.
Fig. 4 is an enlarged view of a portion of the structure of fig. 2B according to the present invention.
Fig. 5 is a schematic structural view of an inner side wall ejection mechanism in the first embodiment of the present invention.
Fig. 6 is a partial structure enlarged view at C of fig. 5 according to the present invention.
Fig. 7 is a schematic structural view of an elastic member in a second embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a third embodiment of a single-phase dry vacuum on-load tap-changer of the present invention.
Fig. 9 is an enlarged view of a portion of the structure of fig. 8D according to the present invention.
101-switch body, 102-filter screen plate, 103-outer side wall cleaning mechanism, 104-inner side wall ejection mechanism, 105-tubular motor, 106-connecting shaft, 107-first power motor, 108-mounting plate, 109-second power motor, 110-elastic member, 111-ejection arc plate, 112-cam assembly, 113-driving motor, 114-driving shaft, 115-cam, 116-first connecting block, 117-spring body, 118-second connecting block, 119-connecting ring plate, 120-annular mounting groove, 121-first driving groove, 122-second driving groove, 123-first tooth, 124-second tooth, 125-first tooth groove, 126-sticky brush, 127-second tooth groove, 128-lug, 129-ring body, 130-mounting ring, 201-protective sleeve, 202-telescopic rubber sleeve, 203-first fixing ring, 204-second fixing ring, 301-dustproof shell, 302-shell, 303-connecting rod, 304-connecting ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
The first embodiment:
referring to fig. 1 to 6, fig. 1 is a schematic structural view of a single-phase dry-type vacuum on-load tap-changer of a first embodiment, fig. 2 is a schematic structural view of a filter screen plate mounted on a connecting ring plate of the first embodiment, fig. 3 is an enlarged partial structural view of a position a of fig. 2, fig. 4 is an enlarged partial structural view of a position B of fig. 2, fig. 5 is a schematic structural view of an inner side wall ejection mechanism of the first embodiment, and fig. 6 is an enlarged partial structural view of a position C of fig. 5.
The invention provides a single-phase dry type vacuum on-load tap-changer which comprises a switch body 101, a filter screen plate 102 and a cleaning unit, wherein the cleaning unit comprises an outer side wall cleaning mechanism 103 and an inner side wall ejection mechanism 104, the outer side wall cleaning mechanism 103 comprises a tubular motor 105, two connecting shafts 106 and two first power motors 107, the inner side wall ejection mechanism 104 comprises a mounting plate 108, two second power motors 109, an elastic component 110, an ejection arc plate 111 and a cam component 112, the cam component 112 comprises a driving motor 113, a driving shaft 114 and a cam 115, and the elastic component 110 comprises a first connecting block 116, a spring body 117 and a second connecting block 118.
For the specific embodiment, the upper and lower both ends of the lateral wall of switch body 101 in shunting selector department all are provided with connection ring board 119 symmetrically, the one side that connection ring board 119 is close to each other all is provided with annular mounting groove 120, filter plate 102 and install two between the annular mounting groove 120, filter plate 102 cover and establish the outside of the shunting selector of switch body 101, through the outside cover of the shunting selector of switch body 101 establishes filter plate 102, utilize filter plate 102 filter follow the gas of the shunting selector circulation of switch body 101, prevent that impurity such as flying wadding from piling up in the shunting selector and influencing its work or taking place a fire.
Wherein, a first driving groove 121 and a second driving groove 122 are further disposed on a side of each of the connection ring plates 119 close to each other, the first driving groove 121 is located on a side of the annular mounting groove 120 away from the switch body 101, the second driving groove 122 is located on a side of the annular mounting groove 120 close to the switch body 101, a first tooth 123 is disposed on an inner wall of the first driving groove 121, a second tooth 124 is disposed on an inner wall of the second driving groove 122, the connection shaft 106 is disposed at both ends of the tubular motor 105, the first power motor 107 is disposed at a side of each of the connection shafts 106 away from the tubular motor 105, each of the first power motors 107 is disposed inside one of the first driving grooves 121, a first tooth groove 125 is disposed on an outer sidewall of each of the first power motor 107, the first tooth groove 125 is adapted to the first tooth 123, a plurality of adhesive mesh plates 126 are disposed on an outer sidewall of the tubular motor 105, the mounting plates 108 are disposed at both ends of the second power motor mounting plates 109, each of the second tooth grooves 108 is disposed at an inner sidewall of the second tooth grooves 111, the second tooth grooves 111 are disposed at a side of the mounting plates 102 close to the mounting plates, the elastic mesh plates 102, the filter elements 108 are disposed at a side of the mounting plates 108, the filter arc-ejecting teeth mounting plates 102, a plurality of the filter plate mounting plates 111 are disposed at a side of the filter plate 108, a side of the filter plate 102 close to which is disposed adjacent to the filter arc-ejecting teeth 108, a plurality of the filter plate 108, a cam block 108 is disposed on the mounting plate 111, a cam block 108 is disposed on the mounting plate 102, a cam block 108 disposed on the mounting plate 111, the output end of the cam assembly 112 is adapted to the ejection arc plate 111, the tubular motor 105 is started, the outer side wall of the filter screen plate 102 is cleaned by using the plurality of sticky brushes 126, the first power motor 107 is started, the first tooth socket 125 formed in the outer side wall of the first power motor 107 is adapted to the first tooth 123 formed in the first driving socket 121, so that the tubular motor 105 rotates around the switch body 101, and the outer side wall of the filter screen plate 102 is cleaned completely, the second power motor 109 is started while the first power motor 107 operates, the second tooth socket 127 formed in the outer side wall of the second power motor 109 is adapted to the second tooth pressure formed in the second driving socket 122, so that the mounting plate 108 rotates around the switch body 101 in the filter screen plate 102, the ejection arc plate 111 and the tubular motor 105 rotate synchronously, when the projection 128 on the ejection arc plate 111 rotates to one row of the filter holes, the ejection arc plate 112 is started to drive the ejection arc plate 112 to rotate around the switch body 101, and the inner side wall of the filter screen plate 102 is moved to clean the inner side wall of the filter screen plate 102, and the projection 128 flows through the outer side wall of the filter screen plate 102, and the cleaning mechanism 102, so that the projection 128 flows through the outer side wall of the filter screen plate 102.
Secondly, the driving motor 113 is installed on one side of the installation plate 108 close to the inner side wall of the filter screen plate 102, the driving shaft 114 is installed at the output end of the driving motor 113, the cam 115 is installed at one end of the driving shaft 114 far from the driving motor 113, the cam 115 corresponds to the ejection arc plate 111, the driving motor 113 is started, the driving shaft 114 drives the cam 115 to rotate, and therefore the cam 115 is utilized to cooperate with the elastic member 110, so that the ejection arc plate 111 reciprocates on the inner side wall of the filter screen plate 102.
Meanwhile, the number of the elastic elements 110 is multiple, the elastic elements 110 are installed between the ejection arc plate 111 and the mounting plate 108, one end of the spring body 117 is provided with the first connecting block 116, the other end of the spring body 117 is provided with the second connecting block 118, the first connecting block 116 is detachably connected with the mounting plate 108, the second connecting block 118 is detachably connected with the ejection arc plate 111, the number of the elastic elements 110 is multiple, so that the restoring force of the ejection arc plate 111 is stronger, the output end of the cam assembly 112 is in contact with the ejection arc plate 111, the ejection arc plate 111 can be quickly reset, the first connecting block 116 is fixed on the mounting plate 108 by screws, and the second connecting block 118 is fixed on the ejection arc plate 111 by screws, so that the installation of the elastic elements 110 is completed.
In addition, each link plate 119 plate includes ring body 129 and collar 130, the ring body 129 is kept away from the one end fixedly connected with of annular standing groove collar 130, collar 130 with the lateral wall of switch body 101 is dismantled and is connected, utilizes the screw will collar 130 is fixed on switch body 101, thereby accomplishes the installation of link plate 119, collar 130 with ring body 129 fixed connection adopts integrated into one piece technique to make during the manufacturing, and the structure is more firm.
When a single-phase dry vacuum on-load tap changer of the present embodiment is used, the filter screen plate 102 is covered outside the tap selector of the switch body 101, the filter screen plate 102 is used for filtering gas flowing through the tap selector of the switch body 101, so as to prevent impurities such as lint from accumulating inside the tap selector and affecting the operation of the tap selector or causing a fire, when too much impurities adhere to the outer sidewall of the filter screen plate 102, the tubular motor 105 is started, the outer sidewall of the filter screen plate 102 is cleaned by using the plurality of the sticky brushes 126, and the first power motor 107 is started, since the first tooth socket 125 disposed on the outer sidewall of the first power motor 107 is fitted with the first tooth 123 disposed in the first driving socket 121, the tubular motor 105 rotates around the switch body 101, thereby completely cleaning the outer sidewall of the filter screen plate 102, while the first power motor 107 operates, the second power motor 109 is started, since the second tooth socket 127 disposed on the outer sidewall of the second power motor 109 is fitted with the second tooth socket 127, the second power motor 108 drives the filter screen plate 102 to rotate around the arc-shaped mounting plate 102, so that the filter screen plate 102 is ejected out of the arc-shaped mounting plate 102, and the filter screen plate 102 is ejected out of the arc-shaped switch body, and the arc-ejecting mechanism 102, and the arc-ejecting cam mechanism is driven by the filter screen plate 102, wherein the cam assembly is pushed out the arc-ejecting cam assembly 102, the inner side wall ejection mechanism 104 is used for cleaning sundries attached in the filter holes, so that the influence on the gas circulation of the filter screen plate 102 is avoided.
Second embodiment:
referring to fig. 7 based on the first embodiment, fig. 7 is a schematic structural diagram of an elastic member in the second embodiment.
The invention provides a single-phase dry type vacuum on-load tap-changer, which further comprises a plurality of protective sleeves 201, wherein each protective sleeve 201 comprises a telescopic rubber sleeve 202, a first fixing ring 203 and a second fixing ring 204.
To this embodiment, every the outside of spring body 117 all is provided with protective sheath 201 the outside of spring body 117 sets up protective sheath 201 is right spring body 117 protects, avoids external environment to cause the damage to spring body 117, thereby improves spring body 117's life.
The telescopic rubber sleeve 202 is covered outside the spring body 117, one end of the telescopic rubber sleeve 202 is provided with the first fixing ring 203, the other end of the telescopic rubber sleeve 202 is provided with the second fixing ring 204, the first fixing ring 203 is bonded with the first connecting block 116, the second fixing ring 204 is bonded with the second connecting block 118, the telescopic rubber sleeve 202 is covered outside the spring body 117, the first fixing ring 203 is bonded on the first connecting block 116, and the second fixing ring 204 is bonded on the second connecting block 118, so that the protective sleeve 201 is installed.
When the single-phase dry vacuum on-load tap changer of the present embodiment is used, after the telescopic rubber sleeve 202 is covered outside the spring body 117, the first fixing ring 203 is bonded to the first connecting block 116, and the second fixing ring 204 is bonded to the second connecting block 118, so that the protective sleeve 201 is mounted, the protective sleeve 201 is disposed outside the spring body 117 to protect the spring body 117, so that the spring body 117 is prevented from being damaged by an external environment, and the service life of the spring body 117 is prolonged.
The third embodiment:
referring to fig. 8 and 9, fig. 8 is a schematic structural diagram of a single-phase dry vacuum on-load tap-changer of a third embodiment, and fig. 9 is an enlarged view of a portion of the structure at D in fig. 8.
The invention provides a single-phase dry type vacuum on-load tap-changer, which further comprises a dustproof shell 301, wherein the dustproof shell 301 comprises a shell 302 and two connecting rods 303.
To this embodiment, still be provided with on the lateral wall of tubular motor 105 dust shell 301, dust shell 301 covers and establishes a plurality ofly glue the outside of brush 126, through the outside of tubular motor 105 sets up dust shell 301, thereby reduce glue the area of contact of brush 126 with external environment, avoid the dust in the air too much to pile up glue on the brush 126, lead to glue the life reduction of brush 126.
The two ends of the casing 302 are both provided with the connecting rods 303, one end of each connecting rod 303, which is far away from the casing 302, is provided with a connecting ring 304, the connecting ring 304 is sleeved outside the tubular motor 105, and after the connecting ring 304 is sleeved outside the tubular motor 105, the connecting rods 303 are fixed at the end of the casing 302 by screws, so that the protective casing is installed outside the tubular motor 105.
When the single-phase dry vacuum on-load tap changer of the present embodiment is used, after the connection ring 304 is sleeved on the exterior of the tubular motor 105, the connection rod 303 is fixed at the end of the housing 302 by using a screw, so as to install the protection housing on the exterior of the tubular motor 105, and by arranging the dustproof housing 301 on the exterior of the tubular motor 105, the contact area between the sticky brush 126 and the external environment is reduced, and the phenomenon that the sticky brush 126 is excessively accumulated on the sticky brush 126 due to excessive dust in the air, which results in the reduction of the service life of the sticky brush 126, is avoided.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A single-phase dry type vacuum on-load tap-changer comprises a switch body and a filter screen plate, wherein the upper end and the lower end of the outer side wall of the switch body at a tap selector are respectively and symmetrically provided with a connecting ring plate, the surfaces, close to each other, of the connecting ring plates are respectively provided with an annular mounting groove, the filter screen plate is mounted between the two annular mounting grooves, and the filter screen plate covers the outside of the tap selector of the switch body,
the device also comprises a cleaning unit;
the cleaning unit comprises an outer side wall cleaning mechanism and an inner side wall ejection mechanism, the outer side wall cleaning mechanism comprises a tubular motor, two connecting shafts and two first power motors, the inner side wall ejection mechanism comprises a mounting plate, two second power motors, an elastic part, an ejection arc plate and a cam assembly, one side, close to each other, of each connecting ring plate is also provided with a first driving groove and a second driving groove, the first driving groove is positioned on one side, far away from the switch body, of the annular mounting groove, the second driving groove is positioned on one side, close to the switch body, of the annular mounting groove, the inner wall of the first driving groove is provided with first teeth, the inner wall of the second driving groove is provided with second teeth, the two ends of the tubular motor are provided with the connecting shafts, and one end, far away from the tubular motor, of each connecting shaft is provided with the first power motor, each first power motor is respectively positioned inside one of the first driving grooves, the outer side wall of each first power motor is provided with a first tooth socket, the first tooth sockets are matched with the first teeth, the outer side wall of the tubular motor is provided with a plurality of sticky brushes, the two ends of the mounting plate are respectively provided with the second power motors, each second power motor is respectively positioned inside one of the second driving grooves, the outer side wall of each second power motor is provided with a second tooth socket, the second tooth sockets are matched with the second teeth, one surface of the mounting plate, which is close to the inner side wall of the filter screen plate, is provided with the elastic piece, one end of the elastic piece, which is far away from the mounting plate, is provided with the ejection arc plate, and one end of the ejection arc plate, which is close to the inner side wall of the filter screen plate, is provided with a plurality of convex blocks, the convex block is matched with the filtering holes of the filtering screen plate, the cam assembly is further arranged on one surface, close to the filtering screen plate, of the mounting plate, and the output end of the cam assembly is matched with the ejection arc plate.
2. Single-phase dry vacuum on-load tap-changer according to claim 1,
the cam assembly comprises a driving motor, a driving shaft and a cam, the driving motor is installed on the mounting plate, the mounting plate is close to one surface of the inner side wall of the filter screen plate, the output end of the driving motor is provided with the driving shaft, one end, far away from the driving motor, of the driving shaft is provided with the cam, and the cam corresponds to the ejection arc plate.
3. Single-phase dry vacuum on-load tap-changer according to claim 1,
the quantity of elastic component is a plurality of, and a plurality of elastic component is installed between ejection arc board and the mounting panel.
4. A single phase dry vacuum on-load tap changer according to claim 3,
every the elastic component all includes first connecting block, spring body and second connecting block, the one end of spring body is provided with first connecting block, the other end of spring body is provided with the second connecting block, first connecting block with the mounting panel is dismantled and is connected, the second connecting block with ejecting arc board is dismantled and is connected.
5. Single-phase dry vacuum on-load tap-changer according to claim 4,
the single-phase dry vacuum on-load tap-changer further comprises a plurality of protective sleeves, and each protective sleeve is arranged outside the spring body.
6. Single-phase dry vacuum on-load tap changer according to claim 5,
every the protective sheath all includes the solid fixed ring of flexible rubber sleeve, first solid fixed ring and second, flexible rubber sleeve cover is established the outside of spring body, the one end of flexible rubber sleeve is provided with first solid fixed ring, the other end of flexible rubber sleeve is provided with the solid fixed ring of second, first solid fixed ring with first connecting block bonds, the solid fixed ring of second with the second connecting block bonds.
7. Single-phase dry vacuum on-load tap-changer according to claim 1,
every the connecting ring board all includes ring body and collar, the ring body is kept away from the one end fixedly connected with of annular standing groove the collar, the collar with the lateral wall of switch body is dismantled and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456233.3A CN115910641B (en) | 2022-11-21 | 2022-11-21 | Single-phase dry vacuum on-load tap-changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456233.3A CN115910641B (en) | 2022-11-21 | 2022-11-21 | Single-phase dry vacuum on-load tap-changer |
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| CN115910641A true CN115910641A (en) | 2023-04-04 |
| CN115910641B CN115910641B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116525324A (en) * | 2023-06-14 | 2023-08-01 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
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| CN116525324A (en) * | 2023-06-14 | 2023-08-01 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
| CN116525324B (en) * | 2023-06-14 | 2023-10-20 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
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