CN217008841U

CN217008841U - Dry-type transformer convenient to maintain and repair

Info

Publication number: CN217008841U
Application number: CN202122419247.5U
Authority: CN
Inventors: 杨鑫; 张会中; 陈文军; 张盟; 屈鑫艳
Original assignee: Beijing Urban Construction Group Co Ltd
Current assignee: Beijing Urban Construction Group Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-19
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to a dry-type transformer that convenient maintenance was overhauld belongs to dry-type transformer's technical field, and the dry-type transformer that convenient maintenance was overhauld includes three shell, is located both sides be provided with the support on the shell, it is provided with the apron to rotate on the support, the apron is used for sealing or opens the opening of every shell, be provided with on the support and be used for ordering about apron pivoted driving piece. This application has the effect that the staff of being convenient for overhauls or maintains.

Description

Dry-type transformer convenient to maintain and repair

Technical Field

The application relates to the technical field of dry-type transformers, in particular to a dry-type transformer convenient to maintain and overhaul.

Background

The dry type transformer is a transformer with an iron core and a winding which are not immersed in insulating oil, is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and has three types of open type, closed type and cast type.

In the related art, as disclosed in chinese patent publication No. CN208806109U, a dry-type transformer convenient for maintenance is disclosed, including a dry-type transformer body, inner walls of three shells of the dry-type transformer body are all provided with a first sealing ring, an inner wall of the first sealing ring is lapped over an outer wall of a second sealing ring, the second sealing ring is disposed on an outer wall of a fixture block, an upper surface of the fixture block is fixedly connected with a lower surface of a cover plate, a left side surface of the cover plate is fixedly connected with a first connecting plate, a lower surface of the first connecting plate is fixedly connected with one end of a steel wire rope, the other end of the steel wire rope is wound on a take-up reel, a right side surface of the cover plate is fixedly connected with a second connecting plate, a lower surface of the second connecting plate is provided with a telescopic rod, the telescopic rod is fixedly connected with an upper surface of a support plate, an outer wall of the telescopic rod is sleeved with a spring, and top ends and bottom ends of the spring and the telescopic rod are respectively fixedly connected with a lower surface of the second connecting plate and an upper surface of the support plate. And the take-up reel is rotated to enable the steel wire rope to be unfolded, and the second connecting plate moves upwards under the action of the elastic force of the spring, so that the cover plate is separated from the shell of the dry-type transformer body.

In view of the above-mentioned related technologies, the inventor finds that the spring pushes the second connecting plate to move upward to drive the cover plate to move upward, and the cover plate interferes with the maintenance of workers and is inconvenient to operate because the distance pushed by the spring is limited and the cover plate is located above the dry-type transformer body after being separated from the dry-type transformer body.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the overhaul or the maintenance of workers, the application provides a dry-type transformer convenient to maintain and overhaul.

The application provides a dry-type transformer that convenient maintenance was overhauld adopts following technical scheme:

the utility model provides a dry-type transformer that convenient maintenance was overhauld, includes three shell, is located both sides be provided with the support on the shell, it is provided with the apron to rotate on the support, the apron is used for sealing or opens the opening of every shell, be provided with on the support and be used for ordering about apron pivoted driving piece.

By adopting the technical scheme, the cover plate is driven to rotate by the driving piece, so that the cover plate closes or opens the opening of the shell, and the dry-type transformer is convenient to overhaul or maintain; the cover plate is arranged in a rotating mode, sufficient space is reserved for operation of workers, and therefore convenience is brought to overhaul or maintenance of the workers.

Preferably, be provided with the pivot on the apron, the pivot rotates on the support, the driving piece is including rotating the worm that sets up on the support, the cover is equipped with the worm wheel in the pivot, worm wheel and worm meshing.

By adopting the technical scheme, the worm is rotated to drive the worm wheel to rotate, so that the rotating shaft drives the cover plate to rotate, the opening of the shell is sealed or opened by the cover plate, and the dry-type transformer can be maintained by workers; meanwhile, the worm and the worm wheel have a self-locking function, so that the cover plate can be fixed to a required position simply and conveniently.

Preferably, be provided with the fixture block that is used for pegging graft with the opening of shell on the apron, fixture block and shell one-to-one follow the circumference of fixture block is provided with the sealing washer, offer the draw-in groove that is used for with the shell joint on the sealing washer, it is provided with the installation piece to slide on the support, the axis of rotation of the slip direction perpendicular to pivot of installation piece, the pivot rotates on the installation piece, the worm rotates on the installation piece, be provided with on the support and be used for driving the gliding piece that slides of installation piece.

By adopting the technical scheme, the fixture block is inserted into the opening of the shell so as to reduce the possibility that dust and impurities enter the dry-type transformer, the sealing ring is arranged to further improve the tightness between the cover plate and the shell, the mounting block is driven to slide by the sliding piece, so that the mounting block drives the cover plate to slide, the fixture block and the sealing ring slide towards the direction close to or far away from the shell, and when the maintenance is required, the sliding piece drives the mounting block to slide towards the direction far away from the shell so as to reduce the interference of the edge of the shell on the rotation of the fixture block and the sealing ring, so that the cover plate can rotate; after the overhaul finishes, rotate apron to required position, the rethread slides the piece and drives the direction that the installation piece orientation is close to the shell and slide to the joint of fixture block, sealing washer and shell, simple and convenient, facilitate for staff's maintenance or maintenance.

Preferably, the sliding part comprises a screw rod rotatably arranged on the support, the length direction of the screw rod is perpendicular to the rotating axis of the rotating shaft, and the mounting block is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, rotate the lead screw, the lead screw drives the installation piece and slides for the installation piece drives the apron and slides, is favorable to the installation piece to drive the apron orientation and is close to or keeps away from the direction slip of shell, thereby is convenient for move fixture block and sealing washer into or shift out the opening of shell, reduces the shell border to fixture block, sealing washer pivoted interference, so that the rotation of apron, thereby facilitates for workman's maintenance or maintenance.

Preferably, be provided with on the installation piece and be used for carrying out spacing gag lever post to the rotation of apron, the gag lever post is located the apron below, the gag lever post sets up along the horizontal direction, works as the apron rotates to when with the gag lever post butt, the apron is in the horizontality.

Through adopting above-mentioned technical scheme, the setting of gag lever post is spacing to the rotation of apron, rotates apron and gag lever post butt to make the apron be in the horizontality, facilitate for the joint of fixture block, sealing washer and shell, with the excessive pivoted possibility of reduction apron.

Preferably, the mounting block is provided with a rack in a sliding manner, the sliding direction of the rack is perpendicular to the rotation axis of the worm, the worm is provided with a gear ring meshed with the rack, and the mounting block is provided with an adjusting piece for adjusting the rack to slide towards the direction close to or far away from the gear ring.

By adopting the technical scheme, the adjusting piece is used for adjusting the rack to slide towards the direction close to the gear ring, so that the rack is meshed with the gear ring, the rotation of the worm is limited, the cover plate is fixed to a required position conveniently, and the possibility of unnecessary rotation of the cover plate due to self-locking failure of the worm and the worm wheel is reduced; the adjusting piece adjusts the rack to slide towards the direction far away from the gear ring so as to facilitate the rotation of the worm and facilitate the rotation of the cover plate.

Preferably, the mounting block is provided with a supporting rod, the adjusting piece comprises a screw rod in threaded connection with the supporting rod, the length direction of the screw rod is perpendicular to the rotating axis of the worm, and the rack rotates at one end, close to the worm, of the screw rod.

Through adopting above-mentioned technical scheme, rotate the screw rod, drive the rack and slide towards the direction of being close to or keeping away from the ring gear to realize the meshing or the breaking away from of rack and ring gear, facilitate with fixed the rotation of worm.

Preferably, be provided with the guide bar on the support, the length direction of guide bar is on a parallel with the length direction of silk pole, the sliding sleeve is equipped with the guide block on the guide bar, the pivot rotates on the guide block.

Through adopting above-mentioned technical scheme, the installation piece drives the gliding in-process of apron, and what the guide bar set up to the apron slides and leads, improves the gliding stability of apron.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving piece drives the cover plate to rotate, so that the cover plate closes or opens the opening of the shell, and the dry-type transformer is convenient to overhaul or maintain; the cover plate is arranged in a rotating way, so that sufficient space is reserved for the operation of workers, and convenience is provided for the overhaul or the maintenance of the workers;

the opening of fixture block and shell is pegged graft, with the inside possibility that reduces dust impurity entering dry-type transformer, the setting of sealing washer further improves the seal between apron and the shell, it slides to drive the installation piece through the sliding part, make the installation piece drive the apron and slide, so that the fixture block, the sealing washer orientation is close to or keeps away from the orientation of shell and slides, when needs are overhauld, the sliding part drives the direction that the shell was kept away from to the installation piece orientation and slides, with reduce the shell border to the fixture block, sealing washer pivoted interference, so that the rotation of apron, and is simple and convenient, facilitate for staff's maintenance or maintenance.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial structural sectional view of an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of the reference numerals: 1. a housing; 2. a support; 3. a cover plate; 4. a drive member; 41. a worm; 42. a worm gear; 5. a rotating shaft; 6. a clamping block; 7. a seal ring; 8. a card slot; 9. mounting a block; 10. a sliding member; 101. a screw rod; 11. a limiting rod; 12. a rack; 13. a ring gear; 14. an adjustment member; 141. a screw; 15. a strut; 151. a first rod body; 152. a second rod body; 16. a guide bar; 17. a guide block; 18. a base; 19. a handle; 20. a support plate; 21. a hand wheel; 22. a threaded bore.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a dry-type transformer convenient to maintain and overhaul. Referring to fig. 1, the dry type transformer that makes things convenient for maintenance to overhaul includes base 18 and the dry type transformer body of setting on base 18, the dry type transformer body is including setting up three shell 1 on base 18, equal fixedly connected with support 2 on the shell 1 of both sides, it is provided with apron 3 to rotate on the support 2, apron 3 is used for sealing or opens the opening of every shell 1, fixedly connected with pivot 5 on the apron 3, pivot 5 rotates on support 2, the axis of rotation of pivot 5 is on a parallel with the array direction of three shell 1, be provided with on the support 2 and be used for ordering about pivot 5 pivoted driving piece 4.

When the dry-type transformer needs to be overhauled or maintained, the rotating shaft 5 is driven to rotate through the driving piece 4, the rotating shaft 5 drives the cover plate 3 to rotate towards the direction far away from the shell 1, so that the opening of the shell 1 by the cover plate 3 is opened, and the overhauling or maintenance is convenient for workers; after the overhaul or the maintenance finish, order about pivot 5 through driving piece 4 and rotate, pivot 5 drives apron 3 orientation and rotates near the direction of shell 1 to make apron 3 seal shell 1, simple and convenient.

Referring to fig. 2, a clamping block 6 for being inserted into an opening of the housing 1 is fixedly connected to one side of the cover plate 3 close to the housing 1, and a sealing ring 7 is bonded along the circumferential direction of the clamping block 6, in this embodiment, the sealing ring 7 is a rubber ring, and in other embodiments, the rubber ring can be replaced by a silica gel ring or a plastic ring; offer on sealing washer 7 be used for with the draw-in groove 8 of 1 border joint of shell, fixture block 6 is favorable to reducing the possibility that dust impurity got into the dry-type transformer inside with 1 open-ended grafting of shell, and the setting of sealing washer 7 further improves the seal between apron 3 and the shell 1, thereby sealing washer 7 all seals the outer wall and the inner wall of shell 1 with the border joint of shell 1, improves sealed effect.

Referring to fig. 2, in order to facilitate the clamping block 6 and the sealing ring 7 to be clamped with the housing 1, an installation block 9 is slidably disposed on the bracket 2, a sliding direction of the installation block 9 is perpendicular to a rotation axis of the rotating shaft 5, the rotating shaft 5 rotates on the installation block 9, a driving part 4 is disposed on the installation block 9, a sliding part 10 for driving the installation block 9 to slide is disposed on the bracket 2, the sliding part 10 includes a screw rod 101 rotatably connected to the bracket 2 through a bearing, a length direction of the screw rod 101 is perpendicular to the rotation axis of the rotating shaft 5, the installation block 9 is screwed on the screw rod 101, and one end of the screw rod 101, which is far away from the bracket 2, is fixedly connected with a handle 19, so that a worker can rotate the screw rod 101. Keep away from lead screw 101 on one side support 2 welding have guide bar 16, guide bar 16's length direction is on a parallel with lead screw 101's length direction, and the sliding sleeve is equipped with guide block 17 on guide bar 16, and the one end of pivot 5 is rotated on guide block 17, and the other end rotates on installation block 9, and guide bar 16 sets up to installation block 9 and drives apron 3 and slide and lead to be favorable to the steady slip of apron 3.

When the dry-type transformer needs to be overhauled, the handle 19 is rotated, the handle 19 drives the screw rod 101 to rotate, the screw rod 101 drives the mounting block 9 to slide towards the direction far away from the shell 1, the rotating shaft 5 drives the cover plate 3 to slide towards the direction far away from the shell 1, the guide rod 16 is used for guiding the cover plate 3 in a sliding manner, so that the clamping block 6 is separated from the shell 1, the sealing ring 7 is separated from the shell 1, the rotating shaft 5 is driven to rotate by the driving piece 4 at the moment, the rotating shaft 5 drives the cover plate 3 to rotate towards the direction far away from the shell 1, and the cover plate 3 is rotated to a required position, so that the dry-type transformer is convenient for workers to overhaul or maintain; the mounting block 9 drives the clamping block 6 and the sealing ring 7 to be separated from the shell 1, so that the interference of the shell 1 on the rotation of the clamping block 6 and the sealing ring 7 is reduced, and convenience is brought to the rotation of the cover plate 3. After the overhaul or the maintenance is finished, order about apron 3 orientation through driving piece 4 and rotate near the direction of shell 1, rotate apron 3 to suitable position, then turning handle 19, handle 19 drives lead screw 101 and rotates, lead screw 101 drives installation piece 9 orientation and slides near the direction of shell 1, make fixture block 6, sealing washer 7 and shell 1 joint, thereby seal shell 1, threaded connection between lead screw 101 and the installation piece 9 has self-locking function simultaneously, so that tightly the butt on shell 1 with apron 3, in order to reduce apron 3 the unnecessary gliding possibility of appearing.

Referring to fig. 2 and 3, in order to facilitate the rotation of the cover plate 3, a fulcrum plate 20 is fixedly connected to the mounting block 9, the driving member 4 includes a worm 41 rotating on the fulcrum plate 20, a worm wheel 42 is fixedly sleeved on the rotating shaft 5, the worm 41 is meshed with the worm wheel 42, and a hand wheel 21 is fixedly connected to one end of the worm 41, so that a worker can rotate the worm 41. When the dry-type transformer is overhauled or maintained, the hand wheel 21 is rotated, the hand wheel 21 drives the worm 41 to rotate, the worm 41 drives the worm wheel 42 to rotate, so that the worm wheel 42 drives the cover plate 3 to rotate towards the direction far away from the shell 1, and the cover plate 3 is rotated and fixed to a required position due to the self-locking function between the worm 41 and the worm wheel 42, so that a worker can conveniently overhaul or maintain; after the overhaul is finished, the hand wheel 21 is rotated, the hand wheel 21 drives the worm 41 to rotate, so that the worm wheel 42 drives the cover plate 3 to rotate towards the direction close to the shell 1, and the cover plate 3 can be fixed to a required position by meshing between the worm 41 and the worm wheel 42, so that the shell 1 is closed.

Referring to fig. 3, a rack 12 is slidably disposed on the mounting block 9, a sliding direction of the rack 12 is perpendicular to a rotation axis of the worm 41, a gear ring 13 for meshing with the rack 12 is embedded at one end of the worm 41 away from the hand wheel 21, and an adjusting piece 14 for adjusting the rack 12 to slide towards a direction close to or away from the gear ring 13 is disposed on the mounting block 9; fixedly connected with branch 15 on installation piece 9, branch 15 includes first body of rod 151 and the second body of rod 152 of setting on first body of rod 151 of fixed connection on installation piece 9, the length direction of first body of rod 151 is on a parallel with the length direction of lead screw 101, the length direction of the first body of rod 151 of length direction perpendicular to of the second body of rod 152, regulating part 14 includes threaded connection screw rod 141 on second body of rod 152, offer on the second body of rod 152 be used for with screw rod 141 screw-thread fit's screw hole 22, the length direction of screw rod 141 is on a parallel with the length direction of lead screw 101, rack 12 rotates to be connected at the one end that screw rod 141 is close to worm 41, through rotating screw rod 141, realize the slip of rack 12.

When the cover plate 3 needs to be rotated, the screw rod 141 is rotated, and the screw rod 141 drives the rack 12 to slide towards a direction away from the gear ring 13, so that the rack 12 is separated from the gear ring 13, and the worm 41 is convenient to rotate; the cover plate 3 is rotated towards the direction far away from the shell 1, after the cover plate is rotated to a required position, the screw rod 141 is rotated, the screw rod 141 drives the rack 12 to slide towards the direction close to the gear ring 13, the rack 12 is meshed with the gear ring 13, the rotation of the worm 41 is limited, so that the rotating shaft 5 is limited to drive the cover plate 3 to rotate, the unnecessary rotation of the cover plate 3 is reduced, and the possibility of the unnecessary rotation of the cover plate 3 caused by the self-locking failure between the worm wheel 42 and the worm 41 due to the meshing of the rack 12 and the gear ring 13 can be reduced; when the opening of the shell 1 needs to be sealed, the cover plate 3 is rotated towards the direction close to the shell 1, after the cover plate is rotated to a required position, the screw rod 141 is rotated, the screw rod 141 drives the rack 12 to slide towards the direction close to the gear ring 13, the rack 12 is meshed with the gear ring 13, the rotation of the worm 41 is limited, and unnecessary rotation of the cover plate 3 in the process that the clamping block 6, the sealing ring 7 and the shell 1 are clamped is reduced.

Referring to fig. 2, fixedly connected with is used for carrying out spacing gag lever post 11 to the rotation of apron 3 on the installation piece 9, the one end fixed connection that the gag lever post 11 kept away from installation piece 9 is on guide block 17, gag lever post 11 is located apron 3 below, gag lever post 11 sets up along the horizontal direction, when apron 3 rotates to with gag lever post 11 butt, apron 3 is in the horizontality, so that the fixture block 6 on the apron 3, the joint of sealing washer 7 and shell 1, reduce the excessive pivoted possibility of apron 3.

The implementation principle of the embodiment of the application is as follows: when the dry-type transformer needs to be overhauled or maintained, the handle 19 is rotated, the handle 19 drives the screw rod 101 to rotate, so that the screw rod 101 drives the mounting block 9 to slide towards the direction far away from the shell 1, the rotating shaft 5 drives the cover plate 3 to slide towards the direction far away from the shell 1, and the clamping block 6 and the sealing ring 7 are separated from the shell 1; then, the screw 141 is rotated, the screw 141 drives the rack 12 to slide towards the direction far away from the gear ring 13, so that the rack 12 is separated from the gear ring 13, the hand wheel 21 is rotated, the hand wheel 21 drives the worm 41 to rotate, the worm wheel 42 drives the cover plate 3 to rotate towards the direction far away from the shell 1, the cover plate 3 is rotated to a required position, the screw 141 is rotated, the screw 141 drives the rack 12 to slide towards the direction close to the gear ring 13, the rack 12 is meshed with the gear ring 13, and the cover plate 3 is fixed to the required position, so that a worker can conveniently overhaul or maintain.

After the overhaul is finished, the screw rod 141 is rotated, the screw rod 141 drives the rack 12 to slide towards the direction away from the gear ring 13, so that the rack 12 is separated from the gear ring 13, the hand wheel 21 is rotated, the hand wheel 21 drives the worm 41 to rotate, so that the worm wheel 42 drives the cover plate 3 to rotate towards the direction close to the shell 1, the cover plate 3 is rotated to be abutted against the limiting rod 11, the screw rod 141 is rotated, the rack 12 is meshed with the gear ring 13, the cover plate 3 is limited to rotate, then the handle 19 is rotated, the handle 19 drives the screw rod 101 to rotate, the screw rod 101 drives the cover plate 3 to slide towards the direction close to the shell 1, the clamping block 6 and the sealing ring 7 are clamped with the shell 1, and the shell 1 is sealed.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dry-type transformer that convenient maintenance was overhauld, includes three shell (1), its characterized in that: be located both sides be provided with support (2) on shell (1), it is provided with apron (3) to rotate on support (2), apron (3) are used for sealing or open the opening of every shell (1), be provided with on support (2) and be used for ordering about apron (3) pivoted driving piece (4).

2. The dry-type transformer convenient for maintenance and repair according to claim 1, wherein: be provided with pivot (5) on apron (3), pivot (5) are rotated on support (2), driving piece (4) are including rotating worm (41) of setting on support (2), the cover is equipped with worm wheel (42) on pivot (5), worm wheel (42) and worm (41) meshing.

3. The dry-type transformer convenient to maintain and repair as claimed in claim 2, wherein: be provided with fixture block (6) that is used for pegging graft with the opening of shell (1) on apron (3), fixture block (6) and shell (1) one-to-one follow the circumference of fixture block (6) is provided with sealing washer (7), offer draw-in groove (8) that are used for with shell (1) joint on sealing washer (7), it is provided with installation piece (9) to slide on support (2), the axis of rotation of the slip direction perpendicular to pivot (5) of installation piece (9), pivot (5) are rotated on installation piece (9), worm (41) are rotated on installation piece (9), be provided with on support (2) and be used for driving gliding sliding part (10) of installation piece (9).

4. The dry-type transformer convenient to maintain and repair according to claim 3, wherein: sliding piece (10) are including rotating lead screw (101) that sets up on support (2), the axis of rotation of the length direction perpendicular to pivot (5) of lead screw (101), installation piece (9) threaded connection is on lead screw (101).

5. The dry-type transformer convenient for maintenance and repair according to claim 3, wherein: be provided with on installation piece (9) and be used for carrying out spacing gag lever post (11) to the rotation of apron (3), gag lever post (11) are located apron (3) below, gag lever post (11) set up along the horizontal direction, work as apron (3) rotate to with gag lever post (11) butt when, apron (3) are in the horizontality.

6. The dry-type transformer convenient for maintenance and repair according to claim 3, wherein: the mounting block (9) is provided with a rack (12) in a sliding mode, the sliding direction of the rack (12) is perpendicular to the rotating axis of the worm (41), the worm (41) is provided with a gear ring (13) meshed with the rack (12), and the mounting block (9) is provided with an adjusting piece (14) used for adjusting the direction of the rack (12) to be close to or far away from the gear ring (13) in a sliding mode.

7. The dry-type transformer convenient to maintain and overhaul as claimed in claim 6, wherein: be provided with branch (15) on installation piece (9), adjusting part (14) are including screw rod (141) of threaded connection on branch (15), the length direction perpendicular to worm (41) of screw rod (141) the axis of rotation, rack (12) rotate the one end that is close to worm (41) at screw rod (141).

8. The dry-type transformer convenient to maintain and overhaul as claimed in claim 4, wherein: be provided with guide bar (16) on support (2), the length direction of guide bar (16) is on a parallel with the length direction of lead screw (101), sliding sleeve is equipped with guide block (17) on guide bar (16), pivot (5) are rotated on guide block (17).