CN211980361U

CN211980361U - Oil-saving oil-immersed transformer

Info

Publication number: CN211980361U
Application number: CN202021149157.8U
Authority: CN
Inventors: 王玮
Original assignee: Jiangxi Power Transformation Equipment Co ltd
Current assignee: Jiangxi Power Transformation Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-11-20
Anticipated expiration: 2030-06-19

Abstract

The utility model is suitable for an oil-immersed transformer technical field provides an oil-saving oil-immersed transformer, include: the oil tank comprises an oil tank body, wherein an iron core is arranged in the oil tank body, an oil guide pipe is arranged on the side wall of the oil tank body, the other end of the oil guide pipe is connected with a transformer, and a shell-shaped cavity is arranged outside the transformer; the utility model discloses a transformer oil tank, including oil tank box, base, fixed plate, fixing device and base, the oil tank box lateral wall is provided with the ripple piece, the base is installed to oil tank bottom half, the fixed plate is installed to the base below, install fixing device on the fixed plate, fixing device cooperatees with the base, and the device reequips through the box structure to transformer oil tank, and the quantity of transformer oil has been saved of very big degree, and additional fixing device on the base simultaneously makes the installation of transformer fixed more succinct convenient, has brought the facility for maintenance work in the future.

Description

Oil-saving oil-immersed transformer

Technical Field

The utility model belongs to the technical field of oil-immersed transformer, especially, relate to an oil-saving oil-immersed transformer.

Background

The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces 10kV or 35kV network voltage to 230/400V bus voltage used by users. The product is suitable for alternating current of 50 (60) Hz and three-phase maximum rated capacity of 2500kVA (single-phase maximum rated capacity 833kVA, a single-phase transformer is not generally recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, and has the environment temperature of not higher than 40 ℃, not lower than-25 ℃, the maximum daily average temperature of 30 ℃, the maximum annual average temperature of 20 ℃, the relative humidity of not more than 90% (environment temperature of 25 ℃) and the altitude of not more than 1000 m. If the above-mentioned conditions are not met, the rating should be adjusted appropriately according to the regulations of GB 6450-86.

The used oil tank box of oil-immersed transformer among the prior art is mostly square barrel structure, so the oil mass is very big, and is with high costs, and the overall size of transformer is great, and the installation of being not convenient for is fixed, and the installation is too loaded down with trivial details, and hardly dismantles after the installation, has all brought very big trouble to the maintenance change in the future.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a have the effect of economizing on fuel, and be convenient for fixed mounting's oil-saving type oil-immersed transformer, the used oil tank box of oil-immersed transformer that aims at solving among the prior art is mostly square barrel-shaped structure, so the oil consumption is very big, and is with high costs, and the overall size of transformer is great, the installation of being not convenient for is fixed, the installation is too loaded down with trivial details, and hardly dismantle after the installation, maintenance change in the future has all brought very big troublesome problem.

The embodiment of the utility model provides a realize like this, an oil-saving type oil-immersed transformer, include: the oil tank comprises an oil tank body, wherein an iron core is arranged in the oil tank body, an oil guide pipe is arranged on the side wall of the oil tank body, the other end of the oil guide pipe is connected with a transformer, and a shell-shaped cavity is arranged outside the transformer; the outer side wall of the oil tank body is provided with corrugated sheets, the base is installed at the bottom of the oil tank body, a fixing plate is installed below the base, and a fixing device is installed on the fixing plate and matched with the base.

Preferably, the fixing device comprises a backing plate, a supporting block is fixedly mounted above the backing plate, a connecting rod and a supporting rod are respectively hinged to two sides of the upper end of the supporting block, a pressing rod is hinged to the other side of the same end of the supporting rod, the other side of the same end of the pressing rod is hinged to the connecting rod, and a handle is fixedly mounted at the other end of the pressing rod; the bottom fixed mounting of bracing piece has L type connecting rod, the side of L type connecting rod articulates there is L type connecting block, the both ends of L type connecting block articulate there is the gyro wheel.

Preferably, the L-shaped connecting block rotates around the joint of the L-shaped connecting rod by a rotation angle not greater than 90 degrees.

Preferably, the support rod is divided into a push rod and a receiving rod, the receiving rod is located inside the push rod, and the L-shaped chain connecting rod is fixedly installed at the bottom of the receiving rod.

Preferably, the number of the fixing devices is not less than four, and the fixing devices are arranged around the base at equal intervals.

The embodiment of the utility model provides a pair of have the effect of economizing on fuel, and be convenient for fixed mounting's oil-saving type oil-immersed transformer has following beneficial effect:

the device reequips through the structure to the transformer, and the quantity of transformer oil of having saved of very big degree is additional fixing device on the base simultaneously, makes the installation of transformer fixed more succinct convenient, has brought the facility for the maintenance work in the future.

Drawings

Fig. 1 is a schematic structural diagram of an oil-saving oil-immersed transformer according to an embodiment of the present invention;

fig. 2 is a top view of an oil-saving oil-immersed transformer according to an embodiment of the present invention;

fig. 3 is a three-dimensional structure diagram of a fixing device for an oil-saving oil-immersed transformer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fixing device for an oil-saving oil-immersed transformer according to an embodiment of the present invention.

In the drawings: 1. an oil tank body; 2. an iron core; 3. a corrugated sheet; 4. a base; 5. a fixing plate; 6. a fixing device; 61. a base plate; 62. a support block; 63. a connecting rod; 64. a support bar; 641. a push rod; 642. a storage rod; 65. a pressure lever; 66. a handle; 67. an L-shaped connecting rod; 68. an L-shaped connecting block; 69. a roller; 7. an oil guide pipe; 8. a transformer; 9. a shell cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the present invention includes: the transformer comprises an oil tank body 1, wherein an iron core 2 is arranged in the oil tank body 1, an oil guide pipe 7 is arranged on the side wall of the oil tank body 1, the other end of the oil guide pipe 7 is connected with a transformer 8, and a shell-shaped cavity 9 is arranged outside the transformer 8; the outer side wall of the oil tank body 1 is provided with corrugated sheets 3, a base 4 is installed at the bottom of the oil tank body 1, a fixing plate 5 is installed below the base 4, a fixing device 6 is installed on the fixing plate 5, and the fixing device 6 is matched with the base 4.

During the use, pour into fluid into to transformer 8 through oil tank box 1, make transformer 8 begin to work, simultaneously, during the bottom embedding base 4 of oil tank box 1, the gravitational potential energy of fluid in oil tank box 1 has been improved, can be full of fluid in the outside shell type cavity 9 of transformer 8 in the short time, only use thin fluid equally can reach insulating effect, need not to use a large amount of fluid, the oil consumption of transformer 8 has been practiced thrift, simultaneously to oil tank box 1, can fix oil tank box 1 through fixing device 6, make transformer 8 at the during operation, oil tank box 1 can not take place the displacement.

As shown in fig. 3 and 4, in the embodiment of the present invention, the fixing device 6 includes a backing plate 61, a supporting block 62 is fixedly installed above the backing plate 61, two sides of an upper end of the supporting block 62 are respectively hinged with a connecting rod 63 and a supporting rod 64, the other side of the same end of the supporting rod 64 is hinged with a pressing rod 65, the other side of the same end of the pressing rod 65 is hinged with the connecting rod 63, and the other end of the pressing rod 65 is fixedly installed with a handle 66; the bottom fixed mounting of bracing piece 64 has L type connecting rod 67, L type connecting rod 67's side articulates there is L type connecting block 68, the both ends of L type connecting block 68 articulate there is gyro wheel 69.

During the use, place base 4 in fixing device 6, support the gyro wheel 69 of upper end on base 4, the gyro wheel 69 of lower extreme supports the lateral wall of base 4, the work piece contacts the gyro wheel 69 above earlier after, the slope of restriction gyro wheel 69 is so that smoothly press from both sides tightly, then push handle 66 downwards, the handle can drive connecting rod 63 rotatory, bracing piece 64 also can push down simultaneously, until handle 66 is pressed down the minimum, fixing device 6 can press from both sides the base through gyro wheel 69, accomplish fixedly, only need lift up handle 66 during the dismantlement can, convenient and fast.

In this embodiment, the rotation angle of the L-shaped connecting block 68 around the hinge with the L-shaped connecting rod 67 is not greater than 90 degrees, which prevents the rotation angle of the L-shaped connecting block 68 from being too large, and when the fixing device 6 needs to be used, the angle of the L-shaped connecting block 68 needs to be manually calibrated, which brings trouble to the use of the device and makes the device more intelligent.

In this embodiment, the supporting rod 64 is divided into a push rod 641 and a receiving rod 642, the receiving rod 642 is located inside the push rod 641, the L-shaped link rod 67 and the bottom of the receiving rod 642 are fixedly mounted, the supporting rod 84 is modified into a telescopic design, the fixing range of the fixing device 6 can be adjusted, the device can adapt to oil tank bodies 1 with different sizes, and the applicability of the device is improved.

In this embodiment, four are no less than to fixing device 6's number, fixing device 6 is installed at base 4 equidistance all around, ensures that fixing device 6 can fix oil tank box 1 completely, can not appear because fixed incomplete, leads to the oil tank box to take place the displacement in the use, appears serious consequence.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A fuel-efficient oil-filled transformer comprising: the oil tank body (1) is characterized in that an iron core (2) is installed inside the oil tank body (1), an oil guide pipe (7) is installed on the side wall of the oil tank body (1), the other end of the oil guide pipe (7) is connected with a transformer (8), and a shell-shaped cavity (9) is installed outside the transformer (8); the oil tank is characterized in that corrugated sheets (3) are arranged on the outer side wall of the oil tank body (1), a base (4) is installed at the bottom of the oil tank body (1), a fixing plate (5) is installed below the base (4), a fixing device (6) is installed on the fixing plate (5), and the fixing device (6) is matched with the base (4).

2. The oil-saving oil-immersed transformer according to claim 1, wherein the fixing device (6) comprises a base plate (61), a supporting block (62) is fixedly installed above the base plate (61), two sides of the upper end of the supporting block (62) are respectively hinged with a connecting rod (63) and a supporting rod (64), the other side of the same end of the supporting rod (64) is hinged with a pressing rod (65), the other side of the same end of the pressing rod (65) is hinged with the connecting rod (63), and the other end of the pressing rod (65) is fixedly provided with a handle (66); the bottom fixed mounting of bracing piece (64) has L type connecting rod (67), the side of L type connecting rod (67) articulates there is L type connecting block (68), the both ends of L type connecting block (68) articulate there is gyro wheel (69).

3. Oil-filled, oil-saving transformer according to claim 2, characterized in that the L-shaped connection block (68) rotates around the hinge with the L-shaped connection rod (67) by a rotation angle not greater than 90 degrees.

4. The oil-saving oil-immersed transformer according to claim 2, wherein the supporting rod (64) is divided into a push rod (641) and a receiving rod (642), the receiving rod (642) is located inside the push rod (641), and the L-shaped connecting rod (67) is fixedly mounted at the bottom of the receiving rod (642).

5. Oil-filled, oil-saving transformer according to claim 1, characterized in that the number of said fixtures (6) is not less than four, said fixtures (6) being mounted equidistantly around the base (4).