CN210322226U

CN210322226U - Oil tank sealing detection platform for machining sealed oil-immersed transformer

Info

Publication number: CN210322226U
Application number: CN201921520202.3U
Authority: CN
Inventors: 谢召
Original assignee: ANHUI WENLIDA TRANSFORMER TECHNOLOGY CO LTD
Current assignee: ANHUI WENLIDA TRANSFORMER TECHNOLOGY CO LTD
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-14
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a canned type oil-immersed transformer processing is with sealed test table of oil tank, include workstation, detection case, wait to examine oil tank, high temperature steam pipe, detector, signal line, sealed lid, relief valve, hydraulic cylinder, detect head, connecting rod, screw thread post, spiral cover and wiring end, fixed mounting has the detection case on the workstation, places in the detection case and waits to examine the oil tank, be connected with the high temperature steam pipe on the lateral wall of detection case, and the detection case top is equipped with sealed lid, sealed lid is installed on hydraulic cylinder's telescopic link, and sealed lid cooperatees with detection case open-top, wait to examine oil filler point department of oil tank and install the detector, be connected with the signal line on the detector, the signal line passes sealed lid to connect on the display screen through the treater, sealed covering still installs the relief valve. The utility model discloses can detect the sealing performance of transformer oil tank under high temperature environment, improve the outgoing of transformer oil tank quality.

Description

Oil tank sealing detection platform for machining sealed oil-immersed transformer

Technical Field

The utility model relates to a processing equipment specifically is a canned type oil immersed transformer processing is with sealed platform that examines of oil tank.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

Transformers can be divided into dry transformers and oil-immersed transformers according to the cooling mode, wherein the bodies (windings and iron cores) of the oil-immersed transformers are all arranged in an oil tank filled with transformer oil, and the oil tank is formed by welding steel plates. Transformer oil is a petroleum-based liquid and may be burned, so that the sealing property of the tank is particularly important, and a fire may be caused if the transformer oil leaks.

Therefore, before the oil-immersed transformer leaves the factory, the tightness of the oil tank of the transformer needs to be detected. The existing oil tank sealing detection platform is mainly used for detecting the oil tank of the transformer at normal temperature, and some tiny pores are difficult to be detected at normal temperature, so that the transformer oil leakage of the qualified produced oil-immersed transformer is caused under the high-temperature environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a canned type oil-immersed transformer processing is with sealed platform that examines to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a canned type oil tank is sealed to detect platform for oil immersed transformer processing, includes workstation, detection case, waits to examine oil tank, high temperature steam pipe, detector, signal line, sealed lid, relief valve, hydraulic cylinder, detects head, connecting rod, screw post, spiral cover and wiring end, fixed mounting has the detection case on the workstation, places in the detection case and waits to examine the oil tank, be connected with the high temperature steam pipe on the lateral wall of detection case, and be equipped with sealed lid above the detection case, sealed lid is installed on hydraulic cylinder's telescopic link, and sealed lid and detection case open-top match, wait to examine the oil filler point department of oil tank and install the detector, be connected with the signal line on the detector, the signal line passes sealed lid to connect on the display screen through the treater, sealed covering still installs the relief valve.

As a further aspect of the present invention: the detection box is fixed on the workbench through bolt connection.

As a further aspect of the present invention: the detector is including detecting head, connecting rod, screw thread post, spiral cover and wiring end, it is ceramic humidity transducer probe to detect the head, detects the head and installs on the connecting rod, and the both ends of connecting rod are detection head and screw thread post respectively, the screw thread post is with the internal thread engagement of oiling mouth for the screw thread post is installed in oiling mouth department's back, and it is unsettled in waiting to examine the oil tank to detect the head, prevents to detect the head and touches the wall, the screw thread post is located the side of spiral cover, the both sides of spiral cover are screw thread post and wiring end respectively, be connected with the signal line on the wiring end.

As a further aspect of the present invention: the outside cover of signal line has the bellows, and this bellows passes sealed lid to install at the termination department by waterproof joint, and the juncture of bellows and sealed lid installs the sealing washer.

As a further aspect of the present invention: the screw thread post is cascaded screw thread post, is applicable to the oiling mouth of different internal diameters, screw thread post and spiral cover integrated into one piece are equipped with a plurality of anti-skidding stripes on the spiral cover.

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

the utility model discloses can detect the sealing performance of transformer oil tank under high temperature environment, improve the outgoing of transformer oil tank quality.

Drawings

Fig. 1 is a schematic structural diagram of an oil tank sealing detection platform for machining a sealed oil-immersed transformer.

Fig. 2 is a schematic structural diagram of a detector in an oil tank sealing detection table for processing a sealed oil-immersed transformer.

In the figure: the device comprises a workbench 1, a detection box 2, an oil tank 3 to be detected, a high-temperature steam pipe 4, a detector 5, a signal wire 6, a sealing cover 7, a pressure release valve 8, a lifting hydraulic cylinder 9, a detection head 51, a connecting rod 52, a threaded column 53, a rotary cover 54 and a wiring terminal 55.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a sealed oil tank sealing detection table for processing a sealed oil-immersed transformer includes a table 1, a detection box 2, an oil tank 3 to be detected, a high temperature steam pipe 4, a detector 5, a signal line 6, a sealing cover 7, a pressure release valve 8, a hydraulic lifting cylinder 9, a detection head 51, a connecting rod 52, a threaded column 53, a screw cap 54 and a wiring end 55, wherein the detection box 2 is fixedly installed on the table 1, the oil tank 3 to be detected is placed in the detection box 2, the high temperature steam pipe 4 is connected to a side wall of the detection box 2, the sealing cover 7 is arranged above the detection box 2, the sealing cover 7 is installed on a telescopic rod of the hydraulic lifting cylinder 9, the sealing cover 7 is matched with an opening at the top of the detection box 2, the detector 5 is installed at an oil filling port of the oil tank 3 to be detected, the detector, and is connected on the display screen through a processor, and a pressure release valve 8 is also arranged on the sealing cover 7.

The detection box 2 is fixed on the workbench 1 through bolt connection.

Detector 5 is including detecting head 51, connecting rod 52, screw thread post 53, spiral cover 54 and wiring end 55, it is ceramic humidity transducer probe to detect head 51, detects head 51 and installs on connecting rod 52, and connecting rod 52's both ends are respectively for detecting head 51 and screw thread post 53, screw thread post 53 meshes with the internal thread of oiling mouth for screw thread post 53 installs in oiling mouth department the back, and it is unsettled to detect head 51 in waiting to examine oil tank 3, prevents to detect head 51 and touches the wall, screw thread post 53 is located the side of spiral cover 54, the both sides of spiral cover 54 are screw thread post 53 and wiring end 55 respectively, be connected with signal line 6 on the wiring end 55.

The corrugated pipe is sleeved outside the signal wire 6, penetrates through the sealing cover 7 and is installed at the wiring end 55 through a waterproof joint, and a sealing ring is installed at the junction of the corrugated pipe and the sealing cover 7.

The threaded column 53 is a stepped threaded column and is suitable for oil injection ports with different inner diameters, the threaded column 53 and the screw cap 54 are integrally formed, and a plurality of anti-skid stripes are arranged on the screw cap 54.

The utility model discloses a theory of operation is:

the utility model discloses install detector 5 in waiting to examine oil tank 3, will wait to examine oil tank 3 and place in detection case 2, the sealed lid 7 that falls again seals detection case 2. High-temperature steam is conveyed into the detection box 2 through the high-temperature steam pipe 4, so that the detection box 2 is in a high-pressure damp-heat state. And a display screen connected with the signal wire 6 is observed, and the humidity change in the oil tank 3 to be detected, which is detected by the detector 5, is monitored, so that the sealing performance of the oil tank 3 to be detected is detected. After the detection is finished, the high-temperature steam pipe 4 is closed, the pressure relief valve 8 is opened to relieve the pressure, and the detection box 2 is opened to take out the oil tank 3 to be detected.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a canned type oil-immersed transformer processing is with oil tank seal detection platform, includes workstation, detection case, waits to examine oil tank, high temperature steam pipe, detector, signal line, sealed lid, relief valve, hydraulic cylinder, detects head, connecting rod, screw thread post, spiral cover and wiring end, its characterized in that: fixed mounting has the detection case on the workstation, places in the detection case and waits to examine the oil tank, be connected with the high temperature steam pipe on the lateral wall of detection case, and the detection case top is equipped with sealed lid, sealed lid is installed on hydraulic cylinder's telescopic link, and sealed lid and detection case open-top cooperate, wait to examine the oiling mouth department of oil tank and install the detector, be connected with the signal line on the detector, the signal line passes sealed lid to connect on the display screen through the treater, sealed covering still installs the relief valve.

2. The sealed oil-immersed transformer processing oil tank sealing detection table of claim 1, characterized in that: the detection box is fixed on the workbench through bolt connection.

3. The sealed oil-immersed transformer processing oil tank sealing detection table of claim 1, characterized in that: the detector is including detecting head, connecting rod, screw thread post, spiral cover and wiring end, it is ceramic humidity transducer probe to detect the head, detects the head and installs on the connecting rod, and the both ends of connecting rod are detection head and screw thread post respectively, the screw thread post is with the internal thread engagement of oiling mouth for the screw thread post is installed in oiling mouth department's back, and it is unsettled in waiting to examine the oil tank to detect the head, prevents to detect the head and touches the wall, the screw thread post is located the side of spiral cover, the both sides of spiral cover are screw thread post and wiring end respectively, be connected with the signal line on the wiring end.

4. The sealed oil-immersed transformer processing oil tank sealing detection table of claim 1, characterized in that: the outside cover of signal line has the bellows, and this bellows passes sealed lid to install at the termination department by waterproof joint, and the juncture of bellows and sealed lid installs the sealing washer.

5. The sealed oil-filled transformer processing tank seal detection table according to claim 1 or claim 3, characterized in that: the screw thread post is cascaded screw thread post, is applicable to the oiling mouth of different internal diameters, screw thread post and spiral cover integrated into one piece are equipped with a plurality of anti-skidding stripes on the spiral cover.