CN215680383U

CN215680383U - Oiling device is used in oil-immersed transformer production

Info

Publication number: CN215680383U
Application number: CN202122101340.1U
Authority: CN
Inventors: 武军; 武占坤; 郭洪波
Original assignee: Jilin Jitong Power Equipment Manufacturing Co ltd
Current assignee: Jilin Jitong Power Equipment Manufacturing Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-28
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of oil-immersed transformer production, and discloses an oil injection device for oil-immersed transformer production, which comprises an oil storage tank with an opening at the top and oil filled in the oil storage tank, wherein one side of the oil storage tank is communicated with a hose, an oil pump for conveying the oil in the oil storage tank into the hose is installed in the oil storage tank, one side of the hose, which is far away from the oil storage tank, is communicated with an oil conveying pipe, the top of the inner wall of the oil conveying pipe is fixedly connected with a first support rod, the bottom of the inner wall of the first support rod is fixedly connected with a second support rod, and the second support rod is slidably and alternately connected with a movable rod capable of floating on the oil. According to the oil injection device, the movable rod and the control piece are arranged in the oil pipeline, when oil in the transformer increases, the liquid level of the oil is continuously raised, the movable rod is driven to rise upwards on the second supporting rod, the control piece can close the oil pump to finish oil injection, and the problem that the oil overflows the oil injection pipe due to poor oil quantity control during oil injection can be solved.

Description

Oiling device is used in oil-immersed transformer production

Technical Field

The utility model belongs to the technical field of oil-immersed transformer production, and particularly relates to an oil injection device for oil-immersed transformer production.

Background

An oil-immersed transformer, namely a distribution transformer, is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces the voltage of a 10(6) kV or 35kV network 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.

After oil-immersed transformer produces, need carry out the oiling to its inside before the input is used, and current oiling mode generally is that the staff injects into oil toward oil-immersed transformer in through the oil gun, but how much of the oil mass in this kind of oiling mode inconvenient grasp transformer, only can observe whether the oiling pipe mouth of pipe that oil will spill over the transformer judges through the staff, make the phenomenon that oil spills over often appear when the oiling, lead to the waste of oil, it is very necessary to design an oil-immersed transformer production with oiling device to solve this kind of problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the background technology, the utility model provides an oil injection device for oil-immersed transformer production.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oiling device is used in oil-immersed transformer production, includes that the top is the batch oil tank of opening and inside oily that is equipped with, one side intercommunication of batch oil tank has the hose, just install in the batch oil tank and be used for the oil pump of its inside oil toward hose in transport, one side intercommunication that the batch oil tank was kept away from to the hose has defeated oil pipe, defeated oil pipe's inner wall top fixedly connected with branch one, the inner wall bottom fixedly connected with branch two of branch one, the sliding interlude is connected with can float the movable rod on fluid on branch two, the bottom of branch one is provided with the control that is used for closing the oil pump when movable rod and a branch bottom contact.

Furthermore, the bottom of the movable rod is fixedly connected with a floating ball, and the diameter of the floating ball is equal to or smaller than the outer diameter of the oil conveying pipe.

Further, the control includes fixed mounting in a branch bottom and is located the touching inductor directly over the movable rod, install the PLC controller on the batch oil tank, the input of PLC controller links to each other through the electrical property with the output of touching inductor, just the PLC controller passes through electric connection with the oil pump and closes in order to be used for controlling the oil pump.

Furthermore, the movable rod is including alternate the hollow rod of connecting on branch two and being located same central axis with defeated oil pipe, threaded rod is pegged graft through the screw thread in the bottom of hollow rod, just it is in the threaded rod bottom to float ball fixed connection.

Furthermore, a cylindrical hole is formed in the second supporting rod, the hollow rod is inserted into the cylindrical hole, and a limiting block with the diameter larger than the aperture of the cylindrical hole is fixedly connected to the top of the hollow rod.

Furthermore, the circumferential surface of the oil delivery pipe is fixedly connected with a handle perpendicular to the central axis of the oil delivery pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the oil injection method, the movable rod and the control piece are arranged in the oil delivery pipe, when the oil immersion type transformer is injected, the oil delivery pipe can be inserted into the oil injection pipe of the transformer, when oil in the transformer increases, the liquid level of the oil can continuously rise, the movable rod is driven to rise upwards on the second supporting rod, when the movable rod rises to contact with the bottom of the first supporting rod, the fact that oil in the transformer is enough is shown, the control piece can close the oil pump at the moment to finish oil injection work, the problem that the oil quantity is not well controlled to overflow the oil injection pipe during oil injection can be avoided by the oil injection method, oil waste is reduced, and the oil injection method has high practicability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is an exploded view of the fuel filler tube structure of the present invention;

FIG. 4 is an exploded view of the active lever of the present invention;

FIG. 5 is a schematic top view of the structure of the present invention;

in the figure: 1. an oil storage tank; 2. a hose; 3. an oil delivery pipe; 4. a first support rod; 5. a second supporting rod; 6. a movable rod; 61. a hollow shaft; 62. a threaded rod; 7. touching the sensor; 8. floating the ball; 9. a limiting block; 10. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the oil injection device for producing an oil-immersed transformer according to the present embodiment includes an oil storage tank 1 having an open top and containing oil therein, a hose 2 connected to one side of the oil storage tank 1, an oil pump installed in the oil storage tank 1 for delivering oil therein to the hose 2, an oil delivery pipe 3 connected to one side of the hose 2 remote from the oil storage tank 1, a first support rod 4 fixedly connected to the top of the inner wall of the oil delivery pipe 3, a second support rod 5 fixedly connected to the bottom of the inner wall of the first support rod 4, a movable rod 6 slidably inserted into the second support rod 5 and capable of floating on the oil, a control member provided at the bottom of the first support rod 4 for closing the oil pump when the movable rod 6 contacts the bottom of the first support rod 4, so that the oil delivery pipe 3 can be inserted into the oil delivery pipe of the transformer when the oil-immersed transformer is injected, the oil in the oil storage tank 1 can be delivered to the hose 2 by the oil pump, oil then can enter into defeated oil pipe 3 through hose 2 in, and accomplish the oiling in flowing into the notes oil pipe of transformer, and defeated oil pipe 3 also can insert into the notes oil pipe when inserting in the notes oil pipe movable rod 6, when fluid in the transformer increases, its liquid level can constantly rise, and drive movable rod 6 and upwards rise on two 5 of branch, when movable rod 6 rises play with branch 4 bottom contacts, then indicate the oil in the transformer enough, and the control also can be closed the oil pump this moment, with the work of ending the oiling, the problem that the oil mass was not well controlled and spilled over the notes oil pipe when the oiling can be avoided to the mode of this kind of oiling, the waste of oil has been reduced, has higher practicality.

Specifically, referring to fig. 2 and 3, the specific reason that the movable rod 6 can float on the oil liquid is that a floating ball 8 is fixedly connected to the bottom of the movable rod 6, the floating ball 8 can always float on the oil liquid and drive the movable rod 6 to rise along with the rise of the liquid level, and the diameter of the floating ball 8 is equal to or smaller than the outer diameter of the oil pipeline 3, so that the floating ball 8 can be inserted into the oil pipeline.

In order to make the

movable rod

6 and 4 bottom contacts of branch the time the oil pump can close, in some embodiments, it proposes, the control includes touch inductor 7 of fixed mounting in 4 bottoms of branch and being located directly over movable rod 6, install the PLC controller on the batch oil tank 1, the input of PLC controller and touch inductor 7's output pass through the electrical property and link to each other, and the PLC controller passes through electric connection with the oil pump and closes in order to be used for controlling the oil pump, like this, can touch inductor 7 on 4 of branch when movable rod 6 rises, and the PLC controller then can receive the signal that touch inductor 7 spreads into and control the oil pump and close, in order to stop the oiling to the transformer, such design can be more reasonable.

Preferably, referring to fig. 4, the movable rod 6 includes a hollow rod 61 inserted into the second support rod 5 and located on the same central axis with the oil pipeline 3, a threaded rod 62 is inserted into the bottom of the hollow rod 61 through a thread, and the floating ball 8 is fixedly connected to the bottom of the threaded rod 62, so that the floating ball 8 can be rotated by hand according to different types of transformers, so that the threaded rod 62 rotates in the hollow rod 61, thereby adjusting the length of the movable rod 6, and accordingly adjusting the amount of oil injected into the device.

Regarding the concrete connection mode between the movable rod 6 and the second branch 5 as follows, the cylindrical hole has been seted up on the second branch 5, and hollow rod 61 pegs graft in the cylindrical hole, and simultaneously, the top fixedly connected with diameter of hollow rod 61 is greater than stopper 9 in cylindrical hole aperture to avoid movable rod 6 can drop downwards and break away from out two branches 5, such design can be more reasonable.

Referring to fig. 2, a handle 10 perpendicular to the central axis is fixedly connected to the circumferential surface of the oil pipe 3, and a worker can hold the handle 10 to control the oil pipe 3 to inject oil, which is more convenient to operate.

In the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oiling device is used in oil-immersed transformer production, includes that the top is opening and inside batch oil tank (1) that is equipped with oil, its characterized in that, one side intercommunication of batch oil tank (1) has hose (2), just install in batch oil tank (1) and be used for the oil pump of its inside oil toward hose (2) interior transport, one side intercommunication that batch oil tank (1) was kept away from in hose (2) has defeated oil pipe (3), the inner wall top fixedly connected with branch (4) of defeated oil pipe (3), the inner wall bottom fixedly connected with branch two (5) of branch (4), the slip interlude is connected with can float movable rod (6) on fluid on branch two (5), the bottom of branch (4) is provided with and is used for closing the control when movable rod (6) and branch (4) bottom contact.

2. The oil filling device for oil-immersed transformer production according to claim 1, wherein a floating ball (8) is fixedly connected to the bottom of the movable rod (6), and the diameter of the floating ball (8) is equal to or smaller than the outer diameter of the oil pipeline (3).

3. The oil injection device for oil-immersed transformer production according to claim 1, wherein the control element comprises a touch sensor (7) fixedly mounted at the bottom of the first support rod (4) and located right above the movable rod (6), the oil storage tank (1) is provided with a PLC, an input end of the PLC is electrically connected with an output end of the touch sensor (7), and the PLC is electrically connected with the oil pump to control the oil pump to be turned off.

4. The oil injection device for oil-immersed transformer production according to claim 2, wherein the movable rod (6) comprises a hollow rod (61) which is inserted and connected to the second support rod (5) and is located on the same central axis with the oil pipeline (3), a threaded rod (62) is inserted and connected to the bottom of the hollow rod (61) through a thread, and the floating ball (8) is fixedly connected to the bottom of the threaded rod (62).

5. The oil injection device for oil-immersed transformer production according to claim 4, wherein a cylindrical hole is formed in the second support rod (5), the hollow rod (61) is inserted into the cylindrical hole, and a limiting block (9) with a diameter larger than the diameter of the cylindrical hole is fixedly connected to the top of the hollow rod (61).

6. The oil injection device for oil-immersed transformer production according to claim 1, wherein the circumferential surface of the oil delivery pipe (3) is fixedly connected with a handle (10) perpendicular to the central axis of the oil delivery pipe.