A mobile dry-type transformer
By designing the transmission box and bevel gear system at the bottom of the dry transformer, the rollers are automatically pushed out and contracted, and the balanced induction fluid and float structure are used to automatically protect the dry transformer, the problem of poor stability during movement is solved, and the stability and safety of the equipment in transportation and use is achieved.
Patent Information
- Application Number
- CN202411248752.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2044-09-06
AI Technical Summary
Existing dry transformers are difficult to maintain stability when moving, and are easily offset or overturned when the road surface is twisted, affecting the use effect.
A mobile dry transformer is designed, with two fixed cylinders fixedly connected to the bottom, and the inner wall is slid with rollers. The rollers are pushed out and contracted by the transmission box and bevel gear system to ensure stability during movement and stable placement. In addition, by balancing the induction fluid and float structure, detecting and responding to the transformer tilt, the automatic inflating airbag is protected.
It realizes good stability of the dry transformer when it does not move, and can be protected in time if it overturns during transportation, extends the service life of the equipment and improves safety.
Smart Images

Figure CN119092259B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of dry-type transformers, in particular to a mobile dry-type transformer. Background Art
[0002] A dry-type transformer is a transformer that does not require the use of liquid insulating media, but instead uses dry insulating materials to isolate the windings and casing. This type of transformer is often used in places that require higher safety and reliability, such as hospitals, commercial buildings, and industrial plants. Since there is no need to maintain liquid insulating media, dry-type transformers are easier to install and maintain, and are also more environmentally friendly because there is no problem of oil leakage.
[0003] After searching, the Chinese patent publication number is CN109903953A, which relates to a mobile dry-type transformer. It includes a transformer, wherein clamping plates are respectively provided at the upper and lower ends of the transformer, a mounting frame is provided at the lower end of the lower clamping plate, a high-voltage terminal is provided at the front side of the upper clamping plate, a low-voltage terminal is provided at the rear side of the upper clamping plate, a blower is respectively provided at the front and rear sides of the lower clamping plate, and rollers are respectively provided at the front and rear sides of the mounting frame;
[0004] At present, in order to facilitate the transportation and installation of dry-type transformers during use, the dry-type transformers need to be moved. When the dry-type transformers are moved, they need to be moved with the help of rollers at the bottom. The rollers are fixed at the bottom of the dry-type transformers. After the movement is completed, it is not convenient to ensure that the dry-type transformer remains stable. Moreover, if the dry-type transformer deviates and topples due to road distortion during movement and cannot be protected in time, the subsequent use of the dry-type transformer will be affected. Summary of the invention
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the present invention provides a mobile dry-type transformer that can maintain good stability when not moving, ensures that the dry-type transformer remains stable when in use, and can be promptly protected if it overturns during transportation. This solves the problem that the dry-type transformer needs to be moved for the convenience of transportation and installation when in use, and that the dry-type transformer needs to be moved with the aid of rollers at the bottom when the dry-type transformer is moved, and the rollers are fixedly arranged at the bottom of the dry-type transformer, which makes it inconvenient to ensure that the dry-type transformer remains stable after the movement is completed, and that if the dry-type transformer deviates and overturns due to road distortion during movement and cannot be promptly protected, the subsequent use effect of the dry-type transformer will be affected.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mobile dry-type transformer, comprising a dry-type transformer, wherein two fixed cylinders are fixedly connected to the bottom of the dry-type transformer, and a transmission box is fixedly connected to the corresponding sides of the two fixed cylinders at the same time, a protective plate is fixedly connected to the side wall of the dry-type transformer, a roller is slidably provided on the inner wall of the fixed cylinder, and an opening is simultaneously provided at the connection between the fixed cylinder and the transmission box, a connecting rod is hingedly provided on the side wall of the roller, and one end of the connecting rod away from the roller passes through the opening and extends to the interior of the transmission box and is hingedly provided with a slider, the slider is slidably provided on the inner wall of the transmission box, the inner wall of the transmission box is rotatably connected with a screw rod, the slider is threadedly connected to the rod wall of the screw rod, a cavity is provided on the inner wall of the transmission box at the center, the rod wall of the screw rod at the end extends to the interior of the cavity and is fixedly connected with a first bevel gear, the inner wall of the transmission box at the bottom end of the cavity is rotatably connected with a rotating shaft, and the top end of the rotating shaft is fixedly connected with a second bevel gear, and the first bevel gear and the second bevel gear are meshed.
[0009] Preferably, a large gear is fixedly sleeved on the shaft wall of the rotating shaft, the transmission box is rotatably connected to a rotating rod on the inner wall of the cavity, and a small gear is fixedly sleeved on the rod wall of the rotating rod inside the cavity, and the large gear and the small gear are meshed with each other.
[0010] Preferably, the rod wall at the bottom end of the rotating rod passes through the cavity and extends to the outside of the transmission box and is fixedly provided with a handle.
[0011] Preferably, a strip groove is formed on the inner wall of the fixing cylinder, and a guide frame is fixedly connected to the connecting end of the roller, and the guide frame is slidably arranged on the inner wall of the strip groove.
[0012] Preferably, a sensing box is fixedly connected to the side wall of the protective plate, a control power supply is fixedly connected to the inner wall of the protective plate, a box body is fixedly connected to the inner wall of the sensing box, a balance sensing liquid is filled on the inner wall of the box body, a float is provided on the top inner wall of the box body, a transfer block is fixedly connected to the top inner wall of the box body, and the wiring terminal of the control power supply extends to the interior of the transfer block.
[0013] Preferably, a folding sealing plate is fixedly connected to the side wall of the bottom end of the float, and the side of the folding sealing plate facing away from the float is fixedly connected to the inner wall of the box body.
[0014] Preferably, a connector and a gas generator are fixedly connected to the inner wall of the protective plate, the connector is electrically connected to the gas generator, an inflatable foldable airbag is fixedly connected to the side wall of the protective plate, the inflation tube of the gas generator extends to the interior of the inflatable foldable airbag, and the wiring end of the connector extends to the interior of the adapter block.
[0015] Preferably, an alarm is fixedly connected to the side wall of the protective plate, and the alarm is electrically connected to the connector.
[0016] Preferably, the side walls at both ends of the float located above the folding sealing plate are respectively provided with adapter wires, and the side walls of the adapter block are aligned with the side walls of the float with the adapter wires.
[0017] Preferably, a guide block is fixedly connected to the top of the float, a rectangular groove is provided on the inner wall of the top of the box body, and the guide block is slidably arranged on the inner wall of the rectangular groove.
[0018] (III) Beneficial effects
[0019] Compared with the prior art, the present invention provides a mobile dry-type transformer, which has the following beneficial effects:
[0020] 1. The mobile dry-type transformer drives the second bevel gear to rotate by rotating the rotating shaft. The second bevel gear is meshed with the first bevel gear to drive the first bevel gear to rotate when rotating, so that the screw rod rotates to drive the slider to move, and the movement of the slider drives the connecting rod to move. The connecting rod moves to the right side to push the roller to move out to the outside of the fixed cylinder, so that the dry-type transformer can move by itself during subsequent transportation. The screw rod is self-locking with the slider when not rotating, so that the roller remains stable, and the subsequent flipping of the rotating shaft can make the roller shrink to the inside of the fixed cylinder, so that the bottom of the dry-type transformer remains stably placed, so that the dry-type transformer remains stable during use.
[0021] 2. The mobile dry-type transformer can move the float along the surface of the balance induction liquid through the offset of the balance induction liquid. When the adapter wire on the side wall of the float is in contact with the side wall of the adapter block, the control power supply can energize the connector through the adapter wire on the side wall of the float. The connector energizes the gas generator and the alarm. The gas generator generates gas to inflate the inflatable foldable airbag, so that the inflatable foldable airbag can be inflated to protect the edge of the protective plate and the dry-type transformer. At the same time, the alarm can remind the staff that the dry-type transformer is tilted, which is convenient for timely processing.
[0022] 3. The mobile dry-type transformer drives the rotating rod to rotate by turning the handle, and the rotation of the rotating rod can drive the small gear to rotate. The small gear and the large gear are meshed and arranged to drive the large gear to rotate when rotating. The small gear drives the large gear to rotate for more labor-saving deceleration movement, and the rotating shaft can be driven more labor-savingly. The guide frame slides along the inner wall of the strip groove to improve the stability of the roller movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A structural schematic diagram of a mobile dry-type transformer proposed by the present invention;
[0024] Figure 2 for Figure 1 A magnified view of the structure of part A;
[0025] Figure 3 for Figure 1 A magnified view of the structure of part B;
[0026] Figure 4 for Figure 3 A magnified view of the structure of part C;
[0027] Figure 5 for Figure 4 Three-dimensional diagram of the structure of the middle float.
[0028] In the figure: 1 dry-type transformer, 2 fixed cylinder, 3 transmission box, 4 protective plate, 5 roller, 6 connecting rod, 7 screw rod, 8 slider, 9 first bevel gear, 10 rotating shaft, 11 second bevel gear, 12 large gear, 13 rotating rod, 14 small gear, 15 induction box, 16 guide frame, 17 control power supply, 18 box body, 19 balance induction liquid, 20 float, 21 adapter block, 22 folding sealing plate, 23 wiring connector, 24 gas generator, 25 inflatable folding airbag, 26 alarm, 27 guide block. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0030] Embodiment 1
[0031] Reference Figure 1-5 , a mobile dry-type transformer, comprising a dry-type transformer 1, two fixed cylinders 2 are fixedly connected to the bottom of the dry-type transformer 1, and a transmission box 3 is fixedly connected to the corresponding sides of the two fixed cylinders 2 at the same time, a protective plate 4 is fixedly connected to the side wall of the dry-type transformer 1, a roller 5 is slidably provided on the inner wall of the fixed cylinder 2, and an opening is simultaneously provided at the connection between the fixed cylinder 2 and the transmission box 3, a connecting rod 6 is hingedly provided on the side wall of the roller 5, and one end of the connecting rod 6 away from the roller 5 passes through the opening and extends to the interior of the transmission box 3 and is hingedly provided with a slider 8, the slider 8 is slidably provided on the inner wall of the transmission box 3, a screw rod 7 is rotatably connected to the inner wall of the transmission box 3, the slider 8 is threadedly connected to the rod wall of the screw rod 7, a cavity is provided on the inner wall of the transmission box 3 at the center, the rod wall of the screw rod 7 at the end extends to the interior of the cavity and is fixedly connected with a first bevel gear 9, the inner wall of the transmission box 3 at the bottom end of the cavity is rotatably connected with a rotating shaft 10, and the top of the rotating shaft 10 is fixedly connected with a second bevel gear 11, and the first bevel gear 9 and the second bevel gear 11 are meshed.
[0032] An induction box 15 is fixedly connected to the side wall of the protective plate 4, a control power supply 17 is fixedly connected to the inner wall of the protective plate 4, a box body 18 is fixedly connected to the inner wall of the induction box 15, the inner wall of the box body 18 is filled with a balance induction liquid 19, a float 20 is provided on the top inner wall of the box body 18, a transfer block 21 is fixedly connected to the top inner wall of the box body 18, the wiring terminal of the control power supply 17 extends to the interior of the transfer block 21, a folding sealing plate 22 is fixedly connected to the bottom side wall of the float 20, and the side of the folding sealing plate 22 facing away from the float 20 is fixedly connected to the inner wall of the box body 18.
[0033] The inner wall of the protective plate 4 is fixedly connected with a connector 23 and a gas generator 24, the connector 23 is electrically connected to the gas generator 24, the side wall of the protective plate 4 is fixedly connected with an inflatable foldable airbag 25, the inflation tube of the gas generator 24 extends to the inside of the inflatable foldable airbag 25, the wiring end of the connector 23 extends to the inside of the adapter block 21, the side wall of the protective plate 4 is fixedly connected with an alarm 26, the alarm 26 is electrically connected to the connector 23, the side walls of the float 20 at both ends above the folding sealing plate 22 are respectively provided with adapter wires, the side wall of the adapter block 21 is aligned with the side wall of the float 20 with the adapter wires,
[0034] When in use, the second bevel gear 11 can be driven to rotate by rotating the rotating shaft 10. The second bevel gear 11 is meshed with the first bevel gear 9 and can drive the first bevel gear 9 to rotate when rotating. The rotation of the screw rod 7 can drive the slider 8 to move. The movement of the slider 8 can drive the connecting rod 6 to move. The movement of the connecting rod 6 to the right can push the roller 5 to move out to the outside of the fixed cylinder 2, so that the dry-type transformer 1 can move by itself during subsequent transportation. The screw rod 7 is self-locking with the slider 8 when not rotating, so that the roller 5 can remain stable. The subsequent flipping of the rotating shaft 10 can make the roller 5 shrink to the inside of the fixed cylinder 5, so that the bottom of the dry-type transformer 1 can be kept stably placed, so that the dry-type transformer 1 can remain stable during use.
[0035] If the dry-type transformer 1 tilts during movement, the balance sensing liquid 19 inside the box body 18 will be offset, causing the float 20 to move along the surface of the balance sensing liquid 19. When the adapter wire on the side wall of the float 20 is in contact with the side wall of the adapter block 21, the control power supply 17 can energize the connector 23 through the adapter wire on the side wall of the float 20. The connector 23 can be energized to energize the gas generator 24 and the alarm 26. The gas generator 24 generates gas to inflate the inflatable foldable airbag 25. The inflatable foldable airbag 25 is inflated to protect the protective plate 4 and the edge of the dry-type transformer 1. At the same time, the alarm 26 is energized to remind the staff that the dry-type transformer 1 is tilted, which is convenient for timely processing. The folding sealing plate 22 can prevent the balance sensing liquid 19 from leaking and contacting the adapter wire on the side wall of the float 20 without affecting the movement of the balance sensing liquid 19 and the float 20.
[0036] Embodiment 2
[0037] In order to drive the rotating shaft 10 more labor-savingly, as Figure 1-5 As shown, a large gear 12 is fixedly sleeved on the shaft wall of the rotating shaft 10, a rotating rod 13 is rotatably connected to the inner wall of the transmission box 3 located in the cavity, a small gear 14 is fixedly sleeved on the rod wall of the rotating rod 13 located inside the cavity, the large gear 12 and the small gear 14 are meshed with each other, the rod wall at the bottom end of the rotating rod 13 passes through the cavity and extends to the outside of the transmission box 3 and is fixedly provided with a handle, a strip groove is opened on the inner wall of the fixed cylinder 2, and a guide frame 16 is fixedly connected to the connecting end of the roller 5, and the guide frame 16 is slidably arranged on the inner wall of the strip groove.
[0038] Turning the handle can drive the rotating rod 13 to rotate, and the rotation of the rotating rod 13 can drive the small gear 14 to rotate. The small gear 14 and the large gear 12 are meshed and arranged to drive the large gear 12 to rotate when rotating. The small gear 14 drives the large gear 12 to rotate for more labor-saving deceleration movement, and the rotating shaft 10 can be driven more labor-savingly. The guide frame 16 slides along the inner wall of the strip groove to improve the stability of the movement of the roller 5.
[0039] Embodiment 3
[0040] In order to make the float 20 move and position better, the adapter block 21 is contacted and arranged, as shown in FIG. Figure 1-5 As shown, a guide block 27 is fixedly connected to the top of the float 20, a rectangular groove is opened on the inner wall of the top of the box body 18, and the guide block 27 is slidably set on the inner wall of the rectangular groove.
[0041] The guide block 27 slides along the inner wall of the rectangular groove so that the float 20 can remain stable when moving left and right, and can be better moved and positioned to contact the adapter block 21.
[0042] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.
[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mobile dry-type transformer, comprising a dry-type transformer (1), characterized in that: The bottom of the dry-type transformer (1) is fixedly connected to two fixed cylinders (2), and the corresponding sides of the two fixed cylinders (2) are fixedly connected to a transmission box (3). A protective plate (4) is fixedly connected to the side wall of the dry-type transformer (1). A roller (5) is slidably provided on the inner wall of the fixed cylinder (2). An opening is provided at the connection between the fixed cylinder (2) and the transmission box (3). A connecting rod (6) is hingedly provided on the side wall of the roller (5). One end of the connecting rod (6) away from the roller (5) passes through the opening and extends to the inside of the transmission box (3) and is hingedly provided with a sliding block (8). The sliding block (8) is hingedly provided on the inner wall of the fixed cylinder (2). A block (8) is slidably arranged on the inner wall of the transmission box (3); the inner wall of the transmission box (3) is rotatably connected to a screw rod (7); the slider (8) is threadedly connected to the rod wall of the screw rod (7); a cavity is opened on the inner wall of the transmission box (3) at the center; the rod wall of the screw rod (7) at the end extends into the cavity and is fixedly connected to a first bevel gear (9); the inner wall of the transmission box (3) at the bottom end of the cavity is rotatably connected to a rotating shaft (10); the top end of the rotating shaft (10) is fixedly connected to a second bevel gear (11); the first bevel gear (9) and the second bevel gear (11) are meshingly arranged; A sensing box (15) is fixedly connected to the side wall of the protective plate (4), a control power supply (17) is fixedly connected to the inner wall of the protective plate (4), a box body (18) is fixedly connected to the inner wall of the sensing box (15), a balance sensing liquid (19) is filled on the inner wall of the box body (18), a float (20) is provided on the top inner wall of the box body (18), a transfer block (21) is fixedly connected to the top inner wall of the box body (18), and a connection terminal of the control power supply (17) extends to the interior of the transfer block (21).
2. A mobile dry-type transformer according to claim 1, characterized in that: A large gear (12) is fixedly sleeved on the shaft wall of the rotating shaft (10); the transmission box (3) is rotatably connected to a rotating rod (13) located on the inner wall of the cavity; a small gear (14) is fixedly sleeved on the rod wall of the rotating rod (13) located inside the cavity; the large gear (12) and the small gear (14) are meshed with each other.
3. A mobile dry-type transformer according to claim 2, characterized in that: The rod wall at the bottom end of the rotating rod (13) passes through the cavity and extends to the outside of the transmission box (3) and is fixedly provided with a handle.
4. A mobile dry-type transformer according to claim 1, characterized in that: The inner wall of the fixed cylinder (2) is provided with a strip groove, and the connecting end of the roller (5) is fixedly connected to a guide frame (16), and the guide frame (16) is slidably arranged on the inner wall of the strip groove.
5. The mobile dry-type transformer according to claim 1, characterized in that: A folding sealing plate (22) is fixedly connected to the side wall of the bottom end of the float (20), and the side of the folding sealing plate (22) facing away from the float (20) is fixedly connected to the inner wall of the box body (18).
6. The mobile dry-type transformer according to claim 1, characterized in that: The inner wall of the protective plate (4) is fixedly connected to a connector (23) and a gas generator (24), the connector (23) being electrically connected to the gas generator (24), the side wall of the protective plate (4) is fixedly connected to an inflatable foldable airbag (25), the inflation tube of the gas generator (24) extending to the interior of the inflatable foldable airbag (25), and the wiring terminal of the connector (23) extending to the interior of the adapter block (21).
7. The mobile dry-type transformer according to claim 1, characterized in that: An alarm (26) is fixedly connected to the side wall of the protection plate (4), and the alarm (26) is electrically connected to the connector (23).
8. The mobile dry-type transformer according to claim 1, characterized in that: The side walls of the float (20) at both ends above the folding sealing plate (22) are respectively provided with adapter wires, and the side walls of the adapter block (21) are aligned with the side walls of the float (20) with the adapter wires.
9. The mobile dry-type transformer according to claim 1, characterized in that: A guide block (27) is fixedly connected to the top of the float (20), a rectangular groove is provided on the inner wall of the top of the box body (18), and the guide block (27) is slidably arranged on the inner wall of the rectangular groove.
Citation Information
Patent Citations
Mobile dry-type transformer
CN109903953A
Supporting structure of dry-type transformer
CN216562692U
Manual drive for changeover of on-load tap-changing transformer
JP1993059822U