CN116296564A - Automatic oil extraction device for transformer - Google Patents
Automatic oil extraction device for transformer Download PDFInfo
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- CN116296564A CN116296564A CN202211550141.1A CN202211550141A CN116296564A CN 116296564 A CN116296564 A CN 116296564A CN 202211550141 A CN202211550141 A CN 202211550141A CN 116296564 A CN116296564 A CN 116296564A
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- 238000000605 extraction Methods 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
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Abstract
The invention relates to an automatic oil extraction device of a transformer, which belongs to the technical field of operation and maintenance of transformers and comprises the following components: the valve comprises a base, a valve cover screwing mechanism, a valve core screwing mechanism, a driving mechanism and a transmission assembly; the valve cover screwing mechanism and the valve core screwing mechanism are both rotatably arranged on the base, and the valve core screwing mechanism is in transmission connection with the valve cover screwing mechanism through the transmission assembly; the power input end of the valve cover screwing mechanism is connected with the power output end of the driving mechanism. The automatic oil taking device for the transformer is compact in structure and convenient to use in a working environment with a small space, is arranged at the tail end of the mechanical arm of the operation and maintenance oil taking robot, and can control the position and the posture of the automatic oil taking device by the mechanical arm so as to realize automatic oil taking of the transformer, reduce the manual operation intensity and improve the oil taking efficiency and the safety during operation.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of transformers, in particular to an automatic oil extraction device for a transformer.
Background
Oil samples are taken periodically in the operation and maintenance of the transformer to carry out oiling tests so as to know the quality and performance of the insulating oil in operation. When the transformer is sampled, operation and maintenance personnel can perform uninterrupted operation, namely electrified oil sampling, so as not to influence the normal operation of the system. The traditional manual uninterrupted oil extraction mode has the advantages of high labor intensity, high safety risk, severe working environment, easiness in being influenced by meteorological environment interference and high-altitude, high-risk and high-intensity operation. After the electrified oil extraction enters the insulating bucket arm vehicle era, unsafe factors such as electric shock and high drop of operators are reduced, but tool performance, operating environment and the like have great influence on personal and equipment safety.
Insulating arm car live work has undergone different stages of development. The first phase is the direct work phase: the requirements on physical quality and skill level of an operating electrician are high, the operating electrician needs to wear the insulating protective tool to control the insulating bucket arm vehicle to an overhead operation position in the working bucket, and the operating electrician can directly operate by hand. In the high-altitude and high-voltage operation environment, if an operation electrician is neglected slightly or the insulation protection is insufficient, safety accidents such as falling at a high place, electric shock and the like can occur. The second stage is a remote control mechanical arm stage: the operation electrician and the mechanical arm system are in the working bucket, the electrician operates the insulating bucket arm vehicle to an overhead operation position, the electrician transmits the operation intention to the mechanical arm (hand) through controlling the mechanical handle to replace a human hand to operate, and in the operation mode, the operation electrician is still in the overhead position, the automation level of the system is lower, the environment is easy to interfere, and the falling risk of a high place exists.
However, at present, there is no automatic oil extraction device at the tail end of an operation and maintenance oil extraction robot aiming at a special design structure of an oil extraction valve of a transformer, so that the automatic oil extraction operation is completed on the premise of ensuring the quality of oil. Secondly, because the civil engineering requirement of the main transformer makes the surrounding environment of the transformer complex, the space is relatively narrow, and the oil extraction valve design structure is special, the oil extraction device in the prior art adopts a hydraulic three-jaw or six-jaw form, is relatively heavy and has large volume, and is not beneficial to completing the automatic oil extraction operation of the main transformer.
Disclosure of Invention
Therefore, the invention aims to provide an automatic oil extraction device for a transformer, which aims to solve the problems in the prior art.
According to the present invention, there is provided an automatic oil extraction device for a transformer, comprising: the valve comprises a base, a valve cover screwing mechanism, a valve core screwing mechanism, a driving mechanism and a transmission assembly; wherein, the liquid crystal display device comprises a liquid crystal display device,
the valve cover screwing mechanism and the valve core screwing mechanism are both rotatably arranged on the base, and the valve core screwing mechanism is in transmission connection with the valve cover screwing mechanism through the transmission assembly;
the power input end of the valve cover screwing mechanism is connected with the power output end of the driving mechanism.
Preferably, the valve cover screwing mechanism comprises a valve cover screwing rotating shaft and a valve cover screwing sleeve, the valve cover screwing rotating shaft is rotationally connected to the base, the valve cover screwing sleeve is fixedly arranged at the front end of the valve cover screwing rotating shaft, and the rear end of the valve cover screwing rotating shaft is connected with the driving mechanism;
the valve core screwing mechanism comprises a valve core screwing rotating shaft and a valve core screwing sleeve, the valve core screwing rotating shaft is rotationally connected to the base, and the valve core screwing sleeve is fixedly arranged at the front end of the valve core screwing rotating shaft;
the valve cover screwing rotating shaft and the valve core screwing rotating shaft are arranged at intervals, the axis of the valve cover screwing rotating shaft is parallel to the axis of the valve core screwing rotating shaft, and the valve core screwing rotating shaft is in transmission connection with the valve cover screwing rotating shaft through the transmission assembly.
Preferably, the transmission assembly comprises two synchronous pulleys and a synchronous belt, the two synchronous pulleys are respectively fixedly arranged on the valve cover screwing rotating shaft and the valve core screwing rotating shaft, and the two synchronous pulleys are connected and transmitted through the synchronous belt.
Preferably, a first bearing seat and a second bearing seat are arranged on the base at intervals, the valve cover screwing rotating shaft is rotatably arranged on the first bearing seat, and the valve core screwing rotating shaft is rotatably arranged on the second bearing seat.
Preferably, the valve cover screwing sleeve is provided with a first clamping groove matched with the clamping connector on the valve cover, and the valve core screwing sleeve is provided with a second clamping groove matched with the clamping connector on the valve core.
Preferably, an oil taking channel is formed in the center of the valve core screwing rotating shaft, and the oil taking channel penetrates through the rear end face of the valve core screwing rotating shaft and the second clamping groove.
Preferably, an oil pipe connecting groove is formed in one end, close to the second clamping groove, of the oil taking channel, and the oil pipe connecting groove is used for being connected with an oil outlet pipe of the valve core.
Preferably, a sealing ring is arranged on the inner peripheral wall of the oil pipe connecting groove.
Preferably, the rear end of the valve core screwing rotating shaft is provided with a pagoda joint, and the pagoda joint is used for being connected with an oil taking hose.
Preferably, the driving mechanism is a motor.
The automatic oil taking device for the transformer is provided with the valve cover screwing mechanism and the valve core screwing mechanism which are used for respectively screwing the valve cover and the valve core of the oil taking valve of the transformer, the valve core screwing mechanism is in transmission connection with the valve cover screwing mechanism through the transmission component, and the valve core screwing mechanism is driven to rotate through the driving mechanism to drive the valve cover screwing mechanism to rotate simultaneously, so that the structure of the automatic oil taking device is more compact, the miniaturization of the whole structure can be realized, and the automatic oil taking device is convenient to use in a working environment with a narrow space. This automatic get oily device accessible base is installed in fortune dimension oil extraction robot's arm's end, is controlled automatic oil extraction device's position and gesture by the arm to realize getting oil to the transformer is automatic, can reduce manual work intensity, improves oil extraction efficiency, and the security when improving the operation.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structure of a transformer oil extraction valve.
Fig. 2 shows a schematic diagram of the structure of the transformer oil extraction valve with its valve cover open.
Fig. 3 is a schematic perspective view showing an automatic oil extraction device for a transformer according to an embodiment of the present invention.
Fig. 4 shows a schematic structural view of a valve core screwing mechanism in an automatic oil extraction device of a transformer according to an embodiment of the invention.
Fig. 5 shows a state diagram of the automatic oil extraction device of the transformer when the valve cover is screwed according to the embodiment of the invention.
Fig. 6 shows a state diagram of the automatic oil extraction device of the transformer when the valve core is screwed according to the embodiment of the invention.
In the figure: 1. a base; 11. a first bearing seat; 12. a second bearing seat; 2. a valve cover screwing mechanism; 21. screwing the sleeve by the valve cover; 211. a first clamping groove; 3. a valve core screwing mechanism; 31. the valve core is screwed with the sleeve; 311. a second clamping groove; 32. the valve core is screwed with the rotating shaft; 33. an oil taking channel; 331. an oil pipe connecting groove; 34. a pagoda joint; 4. a driving mechanism; 5. a transmission assembly; 51. a synchronous pulley; 52. a synchronous belt; 6. an oil taking valve; 61. a valve cover; 62. a valve core; 621. an oil outlet pipe; 63. and a valve body.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts. For clarity, the various features of the drawings are not drawn to scale.
The invention provides an automatic oil extraction device of a transformer, referring to fig. 3, the automatic oil extraction device of the transformer comprises: base 1, valve gap screw mechanism 2, case screw mechanism 3, actuating mechanism 4 and drive assembly 5. The valve cover screwing mechanism 2 and the valve core screwing mechanism 3 are both rotatably arranged on the base 1, and the valve core screwing mechanism 3 is in transmission connection with the valve cover screwing mechanism 2 through the transmission component 5; the power input end of the valve cover screwing mechanism 2 is connected with the power output end of the driving mechanism 4. The automatic oil taking device of the transformer is used for installing the tail end of a mechanical arm of an operation and maintenance oil taking robot of the transformer, the valve cover screwing mechanism 2 of the automatic oil taking device can be used for automatically screwing off the valve cover 61 of the oil taking valve of the transformer, the valve core screwing mechanism 3 can be used for automatically screwing off the valve core 62 of the oil taking valve of the transformer, and the valve core screwing mechanism 3 is in transmission connection with the valve cover screwing mechanism 2 through the transmission component 5, so that the driving mechanism 4 can drive the valve core screwing mechanism 3 to rotate when driving the valve cover screwing mechanism 2 to rotate, the setting quantity of the driving mechanism 4 is reduced, the structure of the automatic oil taking device is more compact, the structure of the automatic oil taking device is miniaturized, and the automatic oil taking device is convenient for the operation of the mechanical arm and the use in a narrow space.
Referring to fig. 1 and 2, fig. 1 and 2 are schematic structural diagrams of a transformer oil extraction valve for which the transformer oil extraction device is intended. The transformer oil taking valve 6 comprises a valve body 63, a valve core 62 and a valve cover 61, wherein the valve body 63 is used for being connected to a transformer, the valve core 62 and the valve cover 61 are connected to the valve body 63 in a screwed mode, and the valve cover 61 is arranged outside the valve core 62 in a covering mode and used for protecting the valve core 62. The valve core 62 is provided with an oil outlet pipe 621, and oil in the transformer can flow out through the oil outlet pipe 621 by unscrewing the valve core 62. When the automatic oil taking device for the transformer is used for taking oil from the transformer, the valve cover 61 is firstly taken down through the valve cover screwing mechanism 2, then the valve core 62 is screwed through the valve core screwing mechanism 3, and after the valve core 62 is screwed outwards for a certain distance, oil in the transformer can flow out along the oil outlet pipe 621.
With continued reference to fig. 3, in the automatic oil extraction device for a transformer, the valve cover screwing mechanism 2 comprises a valve cover screwing rotating shaft and a valve cover screwing sleeve 21, the valve cover screwing rotating shaft is rotationally connected to the base 1, the valve cover screwing sleeve 21 is fixedly arranged at the front end of the valve cover screwing rotating shaft, and the rear end of the valve cover screwing rotating shaft is connected with the driving mechanism 4. The valve core screwing mechanism 3 comprises a valve core screwing rotating shaft 32 and a valve core screwing sleeve 31, the valve core screwing rotating shaft 32 is rotatably connected to the base 1, and the valve core screwing sleeve 31 is fixedly arranged at the front end of the valve core screwing rotating shaft 32. The valve cover screwing rotating shaft and the valve core screwing rotating shaft 32 are arranged at intervals, the axis of the valve cover screwing rotating shaft is parallel to the axis of the valve core screwing rotating shaft 32, and the valve core screwing rotating shaft 32 is in transmission connection with the valve cover screwing rotating shaft through the transmission assembly 5. Specifically, the valve cover screwing shaft and the valve core screwing shaft 32 both penetrate through the base 1, the front end of the valve cover screwing shaft and the front end of the valve core screwing shaft 32 are both located at the front side of the base 1, and the rear end of the valve cover screwing shaft and the rear end of the valve core screwing shaft 32 are both located at the rear side of the base 1.
Further, the transmission assembly 5 is a synchronous transmission assembly, specifically, the transmission assembly 5 includes two synchronous pulleys 51 and a synchronous belt 52, the two synchronous pulleys 51 are respectively fixed on the valve cover screwing shaft and the valve core screwing shaft 32, and the two synchronous pulleys 51 are connected for transmission through the synchronous belt 52. In this embodiment, two synchronous pulleys 51 are respectively and fixedly connected to the rear ends of the valve cover screwing shaft and the valve core screwing shaft 32, and are both located at the rear side of the base 1, and a synchronous belt 52 is wound on the two synchronous pulleys 51, and the synchronous belt 52 is in meshed transmission with the two synchronous pulleys 51, so that the valve core screwing shaft 32 and the valve cover screwing shaft have the same rotation speed. Through setting up synchronous drive assembly, accessible actuating mechanism 4 synchronous drive valve gap is revolved and is twisted mechanism 2 and case and is twisted mechanism 3, conveniently controls the valve gap and revolves the screwing speed of twisting mechanism 2 and case and twist mechanism 3.
Further, a first bearing seat 11 and a second bearing seat 12 are arranged on the base 1 at intervals, the valve cover screwing rotating shaft is rotatably arranged on the first bearing seat 11, and the valve core screwing rotating shaft 32 is rotatably arranged on the second bearing seat 12. By providing the first bearing housing 11 and the second bearing housing 12 on the base 1, the bonnet screwing mechanism 2 and the valve cartridge screwing mechanism 3 can be smoothly rotated on the base 1.
The valve cover screwing sleeve 21 is provided with a first clamping groove 211 matched with the clamping joint on the valve cover 61, and the valve core screwing sleeve 31 is provided with a second clamping groove 311 matched with the clamping joint on the valve core 62. In this embodiment, the clamping connector on the valve cover 61 and the clamping connector on the valve core 62 are both in an outer hexagonal structure, and correspondingly, the first clamping groove 211 and the second clamping groove 311 are both inner hexagonal grooves.
Further, as shown in fig. 4, an oil extraction channel 33 is provided at the center of the spool screwing shaft 32, and the oil extraction channel 33 penetrates through the rear end surface of the spool screwing shaft 32 and the second clamping groove 311. By providing the oil extraction channel 33 at the center of the spool screwing shaft 32, when the spool screwing mechanism 3 unscrews the spool 62 of the oil extraction valve, the oil flowing out from the oil outlet pipe 621 of the oil extraction valve can flow out through the oil extraction channel 33 on the spool screwing shaft 32, the rear end of the spool screwing shaft 32 can be connected with an oil extraction hose, and the oil is introduced into the oil extraction container through the oil extraction hose. In this embodiment, the rear end of the spool screwing shaft 32 is provided with a pagoda connector 34, and the oil extraction hose can be connected to the pagoda connector 34 at the rear end of the spool screwing shaft 32, and the pagoda connector 34 can be more firmly connected with the oil extraction hose to prevent loosening. Further, in the valve core screwing mechanism 3, an oil pipe connection groove 331 is formed at one end of the oil extraction channel 33, which is close to the second clamping groove 311, and the oil pipe connection groove 331 is used for being connected with the oil outlet pipe 621 of the valve core 62. The sealing ring (shown in the figure) is arranged on the inner peripheral wall of the oil pipe connecting groove 331, and the sealing ring is arranged on the inner peripheral wall of the oil pipe connecting groove 331, so that reliable sealing can be ensured when the oil outlet pipe 621 on the oil taking valve core 62 is connected with the valve core screwing mechanism 3, and oil leakage at the joint of the oil outlet pipe 621 and the valve core screwing mechanism can be prevented.
In this embodiment, the driving mechanism 4 is a motor. It will be appreciated that the drive mechanism 4 may also be a pneumatic motor or a hydraulic motor, as the invention is not limited in any way. When the automatic oil extraction device is arranged at the tail end of the mechanical arm of the transformer operation and maintenance oil extraction robot, the base 1 and the driving mechanism 4 can be respectively and fixedly connected to the mechanical arm, the driving mechanism 4 can also be fixedly connected to the base 1, and then the base 1 is fixedly connected to the mechanical arm.
The automatic oil taking device of the transformer is arranged at the tail end of a mechanical arm of the transformer operation and maintenance oil taking robot, the automatic oil taking device is controlled by the mechanical arm to automatically take oil from the transformer, and the method for automatically taking oil from the transformer by using the automatic oil taking device comprises the following steps of:
the valve cover screwing sleeve 21 of the valve cover screwing mechanism 2 is aligned with the valve cover 61 of the oil extraction valve, the valve cover screwing sleeve 21 is sleeved outside the valve cover 61, and the valve cover screwing mechanism 2 is driven to rotate through the driving mechanism 4 so as to screw the valve cover 61, as shown in fig. 5.
The valve cover screwing sleeve 21 rotates to screw the valve cover 61 to be separated from the valve body 63, and the mechanical arm controls the automatic oil extraction device to retreat, so that the valve core 62 is exposed; then the mechanical arm controls the automatic oil extraction device to move, so that the valve core screwing sleeve 31 of the valve core screwing mechanism 3 is aligned with the valve core 62 of the oil extraction valve, the valve core screwing sleeve 31 is sleeved outside the valve core 62, and the valve core screwing mechanism 3 is driven to rotate through the driving mechanism 4 so as to screw the valve core 62, as shown in fig. 6. The valve core 62 is unscrewed to a certain degree, the oil in the transformer can flow out along the oil outlet pipe 621 on the valve core 62, and then flows out through the oil taking channel 33 on the valve core screwing mechanism 3, and the rear end of the valve core screwing mechanism 3 is connected with an oil taking hose so as to introduce the oil into an oil taking container.
After oil extraction is completed, the valve core 62 is screwed, and the valve cover 61 is covered back to the outside of the valve core 62, so that oil extraction is completed.
In summary, the automatic oil extraction device for the transformer is provided with the valve cover screwing mechanism and the valve core screwing mechanism which are used for respectively screwing the valve cover and the valve core of the oil extraction valve of the transformer, the valve core screwing mechanism is in transmission connection with the valve cover screwing mechanism through the transmission component, and the valve core screwing mechanism is driven to rotate through the driving mechanism to drive the valve cover screwing mechanism to rotate simultaneously, so that the automatic oil extraction device is more compact in structure, miniaturization of the whole structure can be realized, and the automatic oil extraction device is convenient to use in a working environment with a small space. This automatic get oily device accessible base is installed in fortune dimension oil extraction robot's arm's end, is controlled automatic oil extraction device's position and gesture by the arm to realize getting oil to the transformer is automatic, can reduce manual work intensity, improves oil extraction efficiency, and the security when improving the operation.
It should be noted that in this document relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. An automatic oil extraction device of a transformer, which is characterized by comprising: the valve comprises a base, a valve cover screwing mechanism, a valve core screwing mechanism, a driving mechanism and a transmission assembly; wherein, the liquid crystal display device comprises a liquid crystal display device,
the valve cover screwing mechanism and the valve core screwing mechanism are both rotatably arranged on the base, and the valve core screwing mechanism is in transmission connection with the valve cover screwing mechanism through the transmission assembly;
the power input end of the valve cover screwing mechanism is connected with the power output end of the driving mechanism.
2. The automatic oil extraction device of the transformer according to claim 1, wherein the valve cover screwing mechanism comprises a valve cover screwing rotating shaft and a valve cover screwing sleeve, the valve cover screwing rotating shaft is rotatably connected to the base, the valve cover screwing sleeve is fixedly arranged at the front end of the valve cover screwing rotating shaft, and the rear end of the valve cover screwing rotating shaft is connected with the driving mechanism;
the valve core screwing mechanism comprises a valve core screwing rotating shaft and a valve core screwing sleeve, the valve core screwing rotating shaft is rotationally connected to the base, and the valve core screwing sleeve is fixedly arranged at the front end of the valve core screwing rotating shaft;
the valve cover screwing rotating shaft and the valve core screwing rotating shaft are arranged at intervals, the axis of the valve cover screwing rotating shaft is parallel to the axis of the valve core screwing rotating shaft, and the valve core screwing rotating shaft is in transmission connection with the valve cover screwing rotating shaft through the transmission assembly.
3. The automatic oil extraction device of the transformer according to claim 2, wherein the transmission assembly comprises two synchronous pulleys and a synchronous belt, the two synchronous pulleys are respectively fixedly arranged on the valve cover screwing rotating shaft and the valve core screwing rotating shaft, and the two synchronous pulleys are connected and transmitted through the synchronous belt.
4. The automatic oil extraction device of a transformer according to claim 2, wherein a first bearing seat and a second bearing seat are arranged on the base at intervals, the valve cover screwing rotating shaft is rotatably arranged on the first bearing seat, and the valve core screwing rotating shaft is rotatably arranged on the second bearing seat.
5. The automatic oil extraction device of the transformer according to claim 2, wherein the valve cover screwing sleeve is provided with a first clamping groove matched with a clamping joint on the valve cover, and the valve core screwing sleeve is provided with a second clamping groove matched with the clamping joint on the valve core.
6. The automatic oil extraction device of the transformer according to claim 5, wherein an oil extraction channel is formed in the center of the valve core screwing rotating shaft, and the oil extraction channel penetrates through the rear end face of the valve core screwing rotating shaft and the second clamping groove.
7. The automatic oil extraction device of the transformer according to claim 6, wherein an oil pipe connecting groove is formed at one end of the oil extraction channel, which is close to the second clamping groove, and the oil pipe connecting groove is used for being connected with an oil outlet pipe of the valve core.
8. The automatic oil extraction device of the transformer according to claim 7, wherein a sealing ring is arranged on the inner peripheral wall of the oil pipe connecting groove.
9. The automatic oil extraction device of the transformer according to claim 6, wherein a pagoda joint is arranged at the rear end of the valve core screwing rotating shaft and is used for being connected with an oil extraction hose.
10. The automatic oil extraction device of a transformer according to claim 1, wherein the driving mechanism is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550141.1A CN116296564A (en) | 2022-12-05 | 2022-12-05 | Automatic oil extraction device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550141.1A CN116296564A (en) | 2022-12-05 | 2022-12-05 | Automatic oil extraction device for transformer |
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| Publication Number | Publication Date |
|---|---|
| CN116296564A true CN116296564A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211550141.1A Pending CN116296564A (en) | 2022-12-05 | 2022-12-05 | Automatic oil extraction device for transformer |
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| CN (1) | CN116296564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124296A (en) * | 2023-10-12 | 2023-11-28 | 国网山西省电力公司电力科学研究院 | Butt joint device for sampling extra-high voltage oil filling equipment |
-
2022
- 2022-12-05 CN CN202211550141.1A patent/CN116296564A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124296A (en) * | 2023-10-12 | 2023-11-28 | 国网山西省电力公司电力科学研究院 | Butt joint device for sampling extra-high voltage oil filling equipment |
| CN117124296B (en) * | 2023-10-12 | 2024-03-12 | 国网山西省电力公司电力科学研究院 | Butt joint device for sampling extra-high voltage oil filling equipment |
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