Electrified refueling device for transformer
By designing a transformer-energized refueling device with a card plate and spring structure, the problem of oil outlet pipe detachment was solved, achieving oil conservation and convenience in the refueling process. It adapts to different refueling port sizes, reducing resource waste and manpower burden.
Patent Information
- Application Number
- CN202423169142.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing transformer live-line refueling devices are prone to oil leakage during the refueling process due to the oil outlet pipe easily detaching from the refueling port, which increases the burden on staff and wastes resources.
A live oil refueling device for transformers was designed. The device uses a clamping plate and spring structure to fix the oil outlet pipe inside the oil filling port. The elastic force of the spring keeps the clamping plate tightly against the inner wall of the oil filling port to prevent the oil outlet pipe from falling off. The device can be easily moved by casters and an oil storage tank.
It effectively prevents the oil outlet pipe from falling off, reduces fuel waste, saves resources and manpower, adapts to different refueling port sizes, and improves the convenience and safety of the refueling process.
Smart Images
Figure CN223582786U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field, concretely is a transformer live oiling device. BACKGROUND
[0002] The transformer is one of main equipment of power plant and transformer substation. Its function is many aspects, not only can raise voltage and send electric energy to power consumption area, still can reduce voltage as each level use voltage to meet the need of power consumption. The transformer is mainly composed of iron core, coil, oil tank, insulating sleeve, separate switch etc. The oil tank is the shell of transformer, and the iron core and coil are all installed inside, and a certain amount of transformer oil is filled in.
[0003] The transformer oil mainly plays the role of insulation, arc extinguishing and cooling in operation. Therefore, in order to ensure the safe and reliable operation of transformer, the oil level height of certain transformer oil must be maintained, and the transformer needs to be oiled in time when the oil level is reduced.
[0004] The existing transformer live oiling device is oiled into the oil tank of transformer, and when the oiling pipeline is inserted into the oiling port of the oil tank, it is easy to separate from the oiling port due to the gravity of the pipeline itself and other reasons. Once the pipeline moves out of the inside of the oiling port during the oiling process, the leakage of transformer oil will be caused, unnecessary waste will be caused, and if the oiling pipeline is manually fixed by the staff during the oiling process, the burden of the staff will be increased, and the waste of manpower will be caused.
[0005] Therefore, a transformer live oiling device is needed, which can fix the oil outlet pipe during oiling, and can be adapted to the size of different transformer oiling ports to avoid the waste of oil caused by the falling of the oil outlet pipe. Utility model content
[0006] In order to solve the above problems, the utility model provides a transformer live oiling device, which can prevent the oil outlet pipe from falling during oiling, and help to reduce the loss of oil.
[0007] In order to achieve the above purpose, the utility model provides the following specific solutions:
[0008] A transformer live-line refueling device includes a base, casters fixed to the bottom edge of the base, an oil storage tank fixed to the top edge of the base, an oil filling cylinder fixed to the center of the top surface of the oil storage tank, the oil filling cylinder communicating with the inside of the oil storage tank, a fixing frame fixed to the outer side of one side of the oil storage tank, an oil pump fixedly inserted into the inner side of the fixing frame, the oil pump passing through the fixing frame, an oil suction pipe fixed to the center of the bottom surface of the oil pump, one end of the oil suction pipe fixed to the outer wall of the oil storage tank, the oil suction pipe communicating with the inside of the oil storage tank, a connecting hose fixed to the side wall of one side of the oil pump, the connecting hose located above the fixing frame, an L-shaped plate fixed to the outer wall of one end of the connecting hose, and the base. A support frame is fixed to the other side of the top surface. A slot is provided in the middle of the top surface of the support frame. The L-shaped plate is movably inserted into the inner side of the slot. An oil outlet pipe is fixed to one end of the connecting hose. The oil outlet pipe is connected to the connecting hose. A first fixing rod is fixed to the outer wall of the lower end of the oil outlet pipe. A clamping plate is movably inserted into the outer side of one end of the first fixing rod. A first connecting hole is provided on one side wall of the clamping plate. The first connecting hole passes through the clamping plate. The first fixing rod is movably inserted into the inner side of the first connecting hole. The first fixing rod passes through the first connecting hole. A spring is movably sleeved on the outer side of the first fixing rod. One end of the spring is fixed to the outer wall of the oil outlet pipe. The other end of the spring is fixedly connected to the clamping plate.
[0009] As a preferred technical solution of the transformer live oiling device of this utility model, a second fixing rod is fixed on the outer wall of the oil outlet pipe. The second fixing rod is located above the first fixing rod. A second connecting hole is provided on one side wall of the card plate. The second connecting hole penetrates the card plate and is located above the first connecting hole. The second fixing rod penetrates the first connecting hole.
[0010] As a preferred technical solution of the transformer live lubrication device of this utility model, a limiting plate is fixed at one end of the first fixing rod, the limiting plate is located on one side of the clamping plate, and the limiting plate is fixedly connected to the second fixing rod.
[0011] As a preferred technical solution of the transformer live oiling device of this utility model, a connecting rope is fixed on one side wall of the support frame, and a sealing plug is fixed at one end of the connecting rope. The sealing plug is movably inserted into the inside of the oil outlet pipe.
[0012] As a preferred technical solution of the transformer live oiling device of this utility model, the inner wall of the upper end of the oiling cylinder is fixed with an internal thread, the inner side of the upper end of the oiling cylinder is threadedly connected with a cylinder cover, the cylinder cover is located above the oiling cylinder, and a threaded plug is fixed in the middle of the bottom surface of the cylinder cover, the threaded plug is threadedly connected to the inner side of the oiling cylinder.
[0013] As a preferred technical solution of the transformer live refueling device of this utility model, a handle is fixed in the middle of the top surface of the cylinder cover.
[0014] As a kind of transformer live oil filling device preferred technical scheme of the utility model, the bottom base one side wall is fixed with push handle.
[0015] As a kind of transformer live oil filling device preferred technical scheme of the utility model, the connecting rope is elastic material, the sealing plug is flexible material.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The utility model uses the oil storage tank of bottom base top surface to store transformer oil, and the bottom surface of the base is provided with universal wheels, so that the base can be conveniently moved to the side of the transformer for oil filling. The oil pump extracts the oil in the inside of the oil storage tank through the oil extraction pipe, and then the oil is transported to the oil outlet pipe through the connecting hose. When oil is filled, the oil outlet pipe is inserted into the inside of the oil filling port of the transformer oil tank, one end of the clamping plate is inserted into the inside of the oil filling port, and the clamping plate and the oil outlet pipe are pushed to the two sides by the spring. The clamping plate and the oil outlet pipe are clamped in the oil filling port by colliding with the inner wall of the oil filling port and tightly adhering to the inner wall of the oil filling port. Therefore, the clamping plate and the oil outlet pipe are clamped in the oil filling port without manual fixing of the oil outlet pipe. The oil outlet pipe can be prevented from being accidentally removed from the oil filling port during oil filling, thereby saving resources and costs. The spring can be extended and retracted, so that the scheme can be used for oil filling ports of different sizes, and the adaptability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to better describe the technical scheme of the utility model, the present application is further described in conjunction with the drawings and examples.
[0019] Figure 1 is the overall structure of the utility model provided by the utility model;
[0020] Figure 2 is the sectional view of the utility model;
[0021] Figure 3 is the utility model Figure 2 A enlarged schematic view of the utility model;
[0022] Figure 4 is the utility model Figure 2 B enlarged schematic view of the utility model;
[0023] Figure 5 is the utility model Figure 2 C enlarged schematic view of the utility model;
[0024] Figure 6 is the utility model Figure 2 D enlarged schematic view of the utility model.
[0025] In the figure: 1, base; 11, universal wheel; 12, push handle; 13, oil storage tank; 131, oil injection cylinder; 132, fixed frame; 133, internal thread; 14, cylinder cover; 141, handle; 142, threaded plug; 15, support frame; 151, insertion slot; 152, connecting rope; 153, sealing plug; 2, oil pump; 21, connecting hose; 211, L-shaped plate; 22, oil outlet pipe; 221, first fixed rod; 222, spring; 223, second fixed rod; 224, limiting plate; 23, clamping plate; 231, first connecting hole; 232, second connecting hole; 24, oil extraction pipe. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] EMBODIMENT
[0028] Please refer to Figures 1-6 The utility model provides the following technical scheme: a transformer live oil filling device, including base 1, the base 1 bottom surface edge portion is fixed with universal wheel 11, for the movement of base 1 is convenient, the side wall of base 1 is fixed with push handle 12, it is convenient to push base 1 and moves, and the scheme can very conveniently push base 1 and move to the side of transformer and carry out oil filling work.
[0029] Refer to Figure 1 , Figure 2 With Figure 3As shown, in particular, the base 1 top surface edge is fixed with an oil storage tank 13 for storing transformer oil, the oil storage tank 13 side outer wall edge is fixed with a fixed frame 132 for fixing the oil pump 2, the fixed frame 132 inner side is fixedly inserted with the oil pump 2 (the oil pump 2 is prior art, the specific operation mode and principle can refer to the electric oil pump in the prior art, which is controlled to open and close by an external power supply, so it is not described in detail here), the oil pump 2 penetrates the fixed frame 132, the oil pump 2 bottom surface middle part is fixed with an oil pumping pipe 24 for pumping oil in the oil storage tank 13, one end of the oil pumping pipe 24 is fixed on the outer wall of the oil storage tank 13, the oil pumping pipe 24 penetrates the inner side of the oil storage tank 13, one side wall edge of the oil pump 2 is fixed with a connecting hose 21 for conveying oil, the connecting hose 21 is located above the fixed frame 132, one end of the connecting hose 21 is fixed with an oil outlet pipe 22 for adding oil to the transformer oil tank, the oil outlet pipe 22 penetrates the connecting hose 21, the lower end outer wall of the oil outlet pipe 22 is fixed with a first fixed rod 221 for preventing the spring 222 from bending and supporting the clamping plate 23, one end of the first fixed rod 221 is movably inserted with the clamping plate 23 for fixing the oil outlet pipe 22 inside the transformer oil tank oil inlet, one side wall edge of the clamping plate 23 is provided with a first connecting hole 231 so that the clamping plate 23 can move along the first fixed rod 221, the first connecting hole 231 penetrates the clamping plate 23, the first fixed rod 221 is movably inserted in the first connecting hole 231, the first fixed rod 221 penetrates the first connecting hole 231, the first fixed rod 221 is movably sleeved with the spring 222, the elastic expansion capability of the spring 222 enables the oil outlet pipe 22 to be fixed inside the oil inlet of different sizes, one end of the spring 222 is fixed on the outer wall of the oil outlet pipe 22, the other end of the spring 222 is fixedly connected with the clamping plate 23, the outer wall of the oil outlet pipe 22 is fixed with a second fixed rod 223 to prevent the clamping plate 23 from rotating, the second fixed rod 223 is located above the first fixed rod 221, one side wall of the clamping plate 23 is provided with a second connecting hole 232 so that the clamping plate 23 can move along the second fixed rod 223, the second connecting hole 232 penetrates the clamping plate 23, the second connecting hole 232 is located above the first connecting hole 231, the second fixed rod 223 penetrates the first connecting hole 231, one end of the first fixed rod 221 is fixed with a limiting plate 224 to prevent the clamping plate 23 from separating from the first fixed rod 221 and the second fixed rod 223, the limiting plate 224 is located on one side of the clamping plate 23, the limiting plate 224 is fixedly connected with the second fixed rod 223, the spring 222 exerts an elastic force on the clamping plate 23 and the oil outlet pipe 22, so that the clamping plate 23 and the oil outlet pipe 22 tightly adhere to the inner wall of the transformer oil tank oil inlet, thereby fixing the oil outlet pipe 22 inside the oil inlet, preventing the oil outlet pipe 22 from falling off and causing oil to spill on the ground, avoiding waste of oil and saving resources and costs.
[0030] Referring to Figure 1 , Figure 2 With Figure 6As shown, specifically, the top surface of the oil storage tank 13 is fixed with an oil filling cylinder 131 in the middle, which is used for filling transformer oil into the oil storage tank 13. The oil filling cylinder 131 is connected with the inside of the oil storage tank 13. The inner wall of the upper end of the oil filling cylinder 131 is fixed with an internal thread 133, which is used for connecting a threaded plug 142. The upper end of the oil filling cylinder 131 is threadedly connected with a cylinder cover 14, which is used for plugging the oil filling cylinder 131 to prevent oil leakage. The cylinder cover 14 is located above the oil filling cylinder 131. The bottom surface of the cylinder cover 14 is fixed with a threaded plug 142 in the middle, which ensures the stability of the connection of the cylinder cover 14. The threaded plug 142 is threadedly connected inside the oil filling cylinder 131. The top surface of the cylinder cover 14 is fixed with a handle 141 in the middle, which provides convenience for disassembling and assembling the cylinder cover 14. The cylinder cover 14 of the present scheme is simple to disassemble and assemble, can prevent the leakage of oil in the oil storage tank 13, and provides convenience for supplementing oil in the oil storage tank 13.
[0031] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, specifically, the outer wall of one end of the connecting hose 21 is fixed with an L-shaped plate 211, which is used for fixing the connecting hose 21. The top surface of the other side of the base 1 is fixed with a support frame 15, which supports the connecting hose 21. The top surface of the support frame 15 is provided with a slot 151 in the middle, which is used for connecting the L-shaped plate 211. The L-shaped plate 211 is movably inserted into the inside of the slot 151. One side wall of the support frame 15 is fixed with a connecting rope 152, which prevents the sealing plug 153 from being lost. The connecting rope 152 is made of elastic material. One end of the connecting rope 152 is fixed with a sealing plug 153, which can seal the oil outlet pipe 22. The sealing plug 153 is movably inserted into the inside of the oil outlet pipe 22. The sealing plug 153 is made of flexible material. The present scheme supports the connecting hose 21 through the support frame 15, prevents the connecting hose 21 from being placed randomly, and seals the inside of the oil outlet pipe 22 through the sealing plug 153, avoids dust from falling into the inside of the oil outlet pipe 22, and keeps it clean.
[0032] The working principle and use process of the utility model:
[0033] In use, the transformer oil is injected into the inside of the oil storage tank 13 through the oil injection cylinder 131 on the top surface of the oil storage tank 13, then the cylinder cover 14 is covered on the oil injection cylinder 131 by screwing the threaded plug 142 inside the oil injection cylinder 131, the base 1 is moved to the side of the transformer by pushing the handle 12, the sealing plug 153 is pulled out from the inside of the oil outlet pipe 22, the L-shaped plate 211 is pulled out from the inside of the insertion slot 151, then the clamping plate 23 is pressed to make the clamping plate 23 close to the oil outlet pipe 22 to compress the spring 222, the oil outlet pipe 22 and the clamping plate 23 are inserted into the inside of the oil filling port of the transformer oil tank, the pressing of the clamping plate 23 is stopped, the spring 222 is elastically stretched, under the elastic pushing force of the spring 222, the oil outlet pipe 22 and the clamping plate 23 are separated to the two sides and collide with the inner wall of the oil filling port respectively, and are tightly attached to the inner wall of the oil filling port, so that the oil outlet pipe 22 is fixed to the inside of the oil filling port, finally the oil pump 2 is started, the oil pump 2 draws the oil inside the oil storage tank 13 through the oil suction pipe 24, the oil is transported to the inside of the oil outlet pipe 22 through the connecting hose 21, the oil flows out from the inside of the oil outlet pipe 22 and is injected into the transformer oil tank, so as to fill the transformer with oil.
[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A transformer live oil filling device comprising a base (1) characterised in that: The base (1) bottom edge is fixed with universal wheel (11), the base (1) top edge is fixed with oil storage tank (13), the oil storage tank (13) top middle is fixed with oil injection cylinder (131), the oil injection cylinder (131) is through with oil storage tank (13) inside, the oil storage tank (13) one side outer wall edge is fixed with fixed frame (132), the fixed frame (132) inside is fixed with oil pump (2) plug, the oil pump (2) penetrates fixed frame (132), the oil pump (2) bottom middle is fixed with oil extraction pipe (24), the oil extraction pipe (24) one end is fixed on the outer wall of oil storage tank (13), the oil extraction pipe (24) is through with oil storage tank (13) inside, the oil pump (2) one side wall edge is fixed with connecting hose (21), the connecting hose (21) is located above the fixed frame (132), the connecting hose (21) one end outer wall is fixed with L type board (211), the base (1) top edge is fixed with support frame (15), the support frame (15) top middle is provided with slot (151), the L type board (211) is movably inserted into the inside of slot (151), the connecting hose (21) one end is fixed with oil outlet pipe (22), the oil outlet pipe (22) is through with connecting hose (21), the oil outlet pipe (22) lower end outer wall is fixed with first fixed rod (221), the first fixed rod (221) one end outer side is movably inserted with clamping plate (23), the clamping plate (23) one side wall edge is provided with first connecting hole (231), the first connecting hole (231) penetrates clamping plate (23), the first fixed rod (221) is movably inserted into the inside of first connecting hole (231), the first fixed rod (221) penetrates first connecting hole (231), the first fixed rod (221) outer side is movably sleeved with spring (222), the spring (222) one end is fixed on the outer wall of oil outlet pipe (22), the spring (222) other end is fixedly connected with clamping plate (23).
2. A transformer live oil filling apparatus according to claim 1, characterised in that: The oil outlet pipe (22) outer wall is fixed with second fixed rod (223), the second fixed rod (223) is located above the first fixed rod (221), the clamping plate (23) one side wall is provided with second connecting hole (232), the second connecting hole (232) penetrates clamping plate (23), the second connecting hole (232) is located above the first connecting hole (231), the second fixed rod (223) penetrates first connecting hole (231).
3. A transformer live oil filling apparatus according to claim 2, wherein: The first fixed rod (221) one end is fixed with limit plate (224), the limit plate (224) is located on one side of clamping plate (23), the limit plate (224) is fixedly connected with second fixed rod (223).
4. A transformer live oil filling apparatus according to claim 3, wherein: The support frame (15) one side wall is fixed with connecting rope (152), the connecting rope (152) one end is fixed with sealing plug (153), the sealing plug (153) is movably inserted into the inside of oil outlet pipe (22).
5. A transformer live oil filling apparatus according to claim 4, wherein: The inner wall of the upper end of the oil injection cylinder (131) is fixed with an internal thread (133), the inner side of the upper end of the oil injection cylinder (131) is threadedly connected with a cylinder cover (14), the cylinder cover (14) is located above the oil injection cylinder (131), the bottom surface of the cylinder cover (14) is fixed with a threaded plug (142) in the middle, and the threaded plug (142) is threadedly connected to the inner side of the oil injection cylinder (131).
6. A transformer live oil filling apparatus according to claim 5, wherein: The top surface of the cylinder cover (14) is fixed with a handle (141) in the middle.
7. A transformer live oil filling apparatus according to claim 6, wherein: One side wall of the base (1) is fixed with a push handle (12).
8. A transformer live oil filling apparatus according to claim 7, wherein: The connecting rope (152) is made of elastic material, and the sealing plug (153) is made of flexible material.