CN211727851U - Automatic tungsten electrode replacing device in high-level environment - Google Patents
Automatic tungsten electrode replacing device in high-level environment Download PDFInfo
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- CN211727851U CN211727851U CN201922053727.7U CN201922053727U CN211727851U CN 211727851 U CN211727851 U CN 211727851U CN 201922053727 U CN201922053727 U CN 201922053727U CN 211727851 U CN211727851 U CN 211727851U
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Abstract
The utility model discloses an automatic device of changing of tungsten utmost point under environment is put to height belongs to welding technical field for the automatic change of tungsten utmost point under the high radioactivity environment such as solution hot chamber. The device consists of an automatic tungsten electrode clamping welding gun, a tungsten electrode adapter and an automatic telescopic device. When the tungsten electrode is automatically installed, the manipulator places the tungsten electrode adapter provided with the tungsten electrode on the automatic telescopic device, the automatic telescopic device retracts, the tungsten electrode automatically enters the automatic tungsten electrode clamping welding gun, the automatic tungsten electrode clamping welding gun clamps the tungsten electrode, the automatic telescopic device extends out, and the manipulator takes out the tungsten electrode adapter to complete automatic installation of the tungsten electrode. When the tungsten electrode is automatically disassembled, the empty tungsten electrode adapter is placed on the automatic telescopic device by the manipulator, the automatic telescopic device retracts, the tungsten electrode automatically enters the mounting hole of the tungsten electrode adapter, the automatic tungsten electrode clamping welding gun loosens the tungsten electrode, the automatic telescopic device extends out, the manipulator takes out the tungsten electrode adapter, and the tungsten electrode is automatically disassembled. The automatic tungsten electrode replacing device under the high-level environment solves the problem of remote automatic replacement of the tungsten electrode under the radioactive environment, and can greatly reduce the irradiation dose of operators.
Description
Technical Field
The utility model belongs to the technical field of the welding, concretely relates to tungsten utmost point automatic change device under high environment of putting.
Background
As a carbon zero-emission, high-efficiency and clean energy source, nuclear power has long become an important component of new energy. Compared with traditional thermal power generation, most of nuclear power stations in commercial operation at present adopt fuel made of uranium to perform fission in a reactor to release energy, high-pressure circulating cooling water brings the energy out, and steam is generated in a steam generator to drive a generator to generate power. The nuclear fuel assembly generates fission products after reaction, which is called as a spent fuel assembly, and has radioactivity, and the partially damaged spent fuel assembly is transported to a hot chamber of a nuclear power plant for welding and sealing so as to prevent radioactive gas from escaping from the damaged spent fuel assembly during storage and affecting the environmental safety.
At present, gas tungsten arc welding is widely used as a mature welding technology. The gas shielded tungsten welding method is characterized by that it utilizes tungsten electrode as electrode and produces electric arc between workpiece, and the heat of electric arc melts metal, and after cooled, it forms welding seam. When the tungsten electrode tip is damaged due to arc drawing caused by contact with a workpiece and burning loss of the tungsten electrode in the welding process, the shape of the electric arc is changed, heat input is influenced, and accordingly the quality of a welding seam is reduced. Therefore, in order to ensure the reliability and stability of the quality of the welding seam, the tungsten electrode needs to be replaced in time, and the tungsten electrode which is common at present is replaced by manually holding the tungsten electrode by hand.
The hot chamber has strong radioactivity, so that when the tungsten electrode is replaced after welding the spent fuel assembly containing object, direct operation cannot be performed by personnel, meanwhile, in order to ensure the stability of the quality of a welding line, the tungsten electrode must be automatically replaced through remote control, the replacement device needs to have good adaptability to a high-radiation environment, and radiation sensitive components such as motors, semiconductor sensors and the like cannot be arranged in the device.
At present, a device capable of realizing automatic replacement of a welding gun tungsten electrode in a hot chamber environment does not exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to realize the remote replacement operation of the tungsten electrode under the high irradiation environment of the hot chamber.
In order to solve the technical problem, the utility model provides a device is changed automatically to tungsten utmost point under high-lying environment, the device have realized the tungsten utmost point automatic change operation under the hot chamber environment, have reduced operation personnel's irradiation dose, have guaranteed the stability of work piece welding seam quality.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an automatic device of changing of tungsten utmost point under environment is put to height, presss from both sides tight welder including automatic tungsten utmost point, automatic telescoping device, tungsten utmost point adapter to and be used for the manipulator of centre gripping tungsten utmost point adapter, the tungsten utmost point adapter can place and retrain on automatic telescoping device through the manipulator transport.
According to the utility model discloses preferred, automatic tungsten utmost point presss from both sides tight welder includes body, die clamping cylinder, ejector pin, chuck and tungsten utmost point, and the ejector pin is connected with die clamping cylinder, and the tungsten utmost point passes the chuck, through die clamping cylinder's the motion of stretching out/retracting, and the chuck can press from both sides tightly/loosen the tungsten utmost point.
According to the utility model, the automatic telescopic device comprises an air cylinder, an adapter base, a guide rail, a sliding block and a bottom plate, wherein the adapter base is fixed on the bottom plate, the bottom plate is connected with the sliding block, and the adapter base can move forward and backward under the driving of the air cylinder along the guide rail;
according to the utility model discloses preferred, tungsten utmost point adapter includes locating piece, tungsten utmost point handle, rises tight cover, clamp, can realize the clamp of tungsten utmost point/loosen through the clamp.
The utility model has the advantages of it is following:
the utility model discloses can realize the remote change operation of tungsten utmost point, have good environmental adaptation type under high irradiation environment, personnel's that can significantly reduce irradiation dose.
The utility model discloses a device is changed to tungsten utmost point operation manual work relatively changes, and tungsten utmost point location is more accurate, the reliability is high.
Drawings
In order to more clearly illustrate the technical solution of the preferred embodiment of the present invention, the drawings used in the description of the preferred embodiment will be briefly described below.
Fig. 1 is a schematic perspective view of an automatic tungsten electrode replacement device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic front view of an automatic tungsten-clamped welding gun according to a preferred embodiment of the present invention.
Fig. 3 is a schematic perspective view of an automatic telescopic device according to a preferred embodiment of the present invention.
Fig. 4 is a schematic perspective view of a tungsten electrode adapter (without a tungsten electrode) according to a preferred embodiment of the present invention.
Fig. 5 is a schematic view showing a state of the tungsten electrode adaptor with the tungsten electrode according to the preferred embodiment of the present invention.
In the figure, 1 automatic tungsten electrode clamping welding gun, 101, a clamping cylinder, 102, a push rod, 103, a body, 104, a chuck, 2 automatic telescopic devices, 201 fixing seats, 202, a connecting plate, 203, a cylinder, 204, a support, 205, rotating shafts I, 206, an adapter base, 207, rotating shafts II, 208, a guide wheel, 209, a bottom plate, 210, a sliding block, 211, a guide rail, 3 tungsten electrode adapters, 301, a positioning block, 302, a tungsten electrode handle, 303, an end plug, 304, a clamp, 305 and a tensioning sleeve.
Detailed Description
To make the objects, features and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the automatic tungsten electrode replacing device in the high-altitude environment comprises an automatic tungsten electrode clamping welding gun (1), an automatic telescopic device (2), a tungsten electrode adapter (3) and a manipulator (not shown in the figure) for clamping the tungsten electrode adapter, wherein the tungsten electrode adapter can be placed and restrained on the automatic telescopic device through manipulator conveying.
As shown in fig. 2, the automatic tungsten electrode clamping welding gun (1) comprises a body (103), a clamping cylinder (101), an ejector rod (102), a chuck (104) and a tungsten electrode, wherein the ejector rod (102) is connected with the clamping cylinder (101), the tungsten electrode passes through the chuck (104), and the chuck (104) can clamp/unclamp the tungsten electrode through the extending/retracting movement of the clamping cylinder (101).
As shown in fig. 3, the automatic telescopic device (2) comprises an air cylinder (203), an adapter base (206), a guide rail (211), a sliding block (210) and a bottom plate (209), wherein one end of the air cylinder (203) is fixed through a connecting plate (202) and a fixing seat (201), and the other end of the air cylinder (203) is connected with the bottom plate (209) through a support (204); the adapter base (206) is fixed on the bottom plate (209), the adapter base is arranged on the upper side of the bottom plate, and the bottom of the bottom plate is connected with the sliding block (210); the guide wheel (208) is fixed on the adapter base (206) through a rotating shaft I (205) and a rotating shaft II (207); the adapter base can move forward/backward along the guide rail under the driving of the cylinder;
as shown in FIG. 4, the tungsten electrode adapter comprises a positioning block (301), a tungsten electrode handle (302), a tensioning sleeve (305), a clamping hoop (304) and an end plug (303), and clamping/loosening of a tungsten electrode can be realized through the clamping hoop (304).
The working process of the automatic tungsten electrode replacing device under the high-level environment mainly comprises two steps, namely automatic disassembly of an old tungsten electrode and automatic assembly of a new tungsten electrode.
The disassembling process of the old tungsten electrode is as follows:
the automatic telescopic device cylinder (202) extends out to push out the adapter base (206);
the manipulator clamps the tungsten electrode adapter (3) without the tungsten electrode and puts the tungsten electrode adapter on the adapter base (206);
the automatic telescopic device cylinder (202) retracts, and an old tungsten electrode in the automatic tungsten electrode clamping welding gun (1) is inserted into the tensioning sleeve (305) of the tungsten electrode adapter (3);
the clamping cylinder (101) of the automatic tungsten electrode clamping welding gun (1) retracts, and the chuck (104) loosens the old tungsten electrode;
a cylinder (202) of the automatic telescopic device (2) extends out, and the cylinder pushes out the tungsten electrode adapter (3) and the old tungsten electrode;
the manipulator clamps the tungsten electrode adapter (3) and the old tungsten electrode to a storage place;
and completing the automatic disassembly of the old tungsten electrode.
The installation process of the new tungsten electrode is as follows:
the manipulator clamps the tungsten electrode adapter (3) provided with a new tungsten electrode and puts the tungsten electrode adapter on the extended adapter base (206);
retracting the automatic telescopic device cylinder (202), and inserting a new tungsten electrode into a chuck (104) hole of the automatic tungsten electrode clamping welding gun (1);
a clamping cylinder (101) of an automatic tungsten electrode clamping welding gun (1) extends out, and a mandril (102) tightly pushes a chuck (104) to clamp a new tungsten electrode;
a cylinder (202) of the automatic telescopic device (2) extends out to push out the tungsten electrode adapter (3);
the manipulator clamps the tungsten electrode adapter (3) to a storage place;
the air cylinder (202) of the automatic telescopic device (2) retracts, and the adapter base (206) retracts to the original position;
and finishing the installation of the new tungsten electrode.
Can see by above embodiment, the utility model discloses the tungsten utmost point automatic change device under the environment is put to a height that the example provided has following advantage:
the remote replacement operation of the welding gun tungsten electrode in a hot chamber environment can be realized, and the remote automatic operation of the tungsten electrode can be realized through a control system; the mechanical positioning is adopted in the tungsten electrode replacement operation process, so that the reliability and the axial repeated positioning precision of the tungsten electrode are extremely high, and the stability of continuous welding can be ensured; the device adopts the cylinder, metal and other radiation-resistant materials, can operate and run in the radiation environment for a long time, and has extremely high safety; the tungsten electrode replacement operation process is simple and efficient, and the welding work efficiency is greatly improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The automatic tungsten electrode replacing device under the high-altitude environment is characterized by comprising an automatic tungsten electrode clamping welding gun, an automatic telescopic device and a tungsten electrode adapter, wherein the tungsten electrode adapter realizes the transfer of the tungsten electrode adapter on a storage rack and the automatic telescopic device through a manipulator, and the automatic tungsten electrode clamping welding gun and the automatic telescopic device are arranged in parallel.
2. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 1, wherein: the automatic telescopic device consists of a linear driving unit, an adapter base, a guide wheel shaft, a guide wheel, a guide rail, a sliding block and a bottom plate.
3. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 2, wherein: the linear driving unit is a linear transmission device generated by a cylinder, an oil cylinder, a linear motor or other power sources.
4. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 2, wherein: a closed matching space capable of being accurately positioned with the tungsten electrode adapter is formed between the adapter base and the guide wheel, and the guide wheel is matched with the tungsten electrode adapter in a rolling and positioning mode when the guide wheel is placed.
5. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 1, wherein: the tungsten electrode adapter consists of a positioning block, a tungsten electrode handle, a tensioning sleeve and a clamp.
6. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 5, wherein: the positioning block is provided with a chamfer angle when the positioning block is installed with the automatic telescopic device, and the chamfer angle is 20-45 degrees.
7. The automatic tungsten electrode replacement device in the high-altitude environment according to claim 5, wherein: the clamp is a nonmetal elastomer and is in interference fit with the tungsten electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053727.7U CN211727851U (en) | 2019-11-25 | 2019-11-25 | Automatic tungsten electrode replacing device in high-level environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053727.7U CN211727851U (en) | 2019-11-25 | 2019-11-25 | Automatic tungsten electrode replacing device in high-level environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211727851U true CN211727851U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922053727.7U Active CN211727851U (en) | 2019-11-25 | 2019-11-25 | Automatic tungsten electrode replacing device in high-level environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211727851U (en) |
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2019
- 2019-11-25 CN CN201922053727.7U patent/CN211727851U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gong Jinlong Inventor after: Wei Meng Inventor after: Zhang Yabin Inventor after: Yang Kongli Inventor after: Wu Shuijin Inventor after: Wang Changling Inventor after: Li Hai Inventor after: Wang Mingzheng Inventor after: Dong Shengguo Inventor after: Zhou Wen Inventor after: Zhao Zhanguo Inventor before: Zhou Wen Inventor before: Zhao Zhanguo Inventor before: Wei Meng Inventor before: Zhang Yabin |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221013 Address after: 100000 Xinzhen Street, Fangshan District, Beijing Patentee after: CHINA INSTITUTE OF ATOMIC ENERGY Address before: 101400 No.1 Yanqi North 1st Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: BEIJING RAYMOND-CBE MECHANICAL & ELECTRIC TECH. CO.,LTD. |
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| TR01 | Transfer of patent right |