CN107486703B - Butt joint method for assembling three-way structure of GIS equipment - Google Patents
Butt joint method for assembling three-way structure of GIS equipment Download PDFInfo
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- CN107486703B CN107486703B CN201710685283.1A CN201710685283A CN107486703B CN 107486703 B CN107486703 B CN 107486703B CN 201710685283 A CN201710685283 A CN 201710685283A CN 107486703 B CN107486703 B CN 107486703B
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- 210000001503 joint Anatomy 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000002441 reversible effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000010586 diagram Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000005571 horizontal transmission Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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Abstract
The butt joint method for the assembly of the three-way structure of the GIS equipment comprises a frame and a control console, wherein a horizontal conveying device controlled by the control console and a vertical overturning device are arranged on the frame, a conveying table is arranged on the horizontal conveying device, the conveying table can be detachably and fixedly connected with a three-way tank body and a butt joint part, the vertical overturning device comprises a reversible chuck, and the chuck can be detachably and fixedly connected with the three-way tank body.
Description
Technical Field
The invention relates to the technical field of gas-insulated metal-enclosed switchgear (GIS), in particular to a butt joint method for assembling a three-way structure of GIS equipment.
Background
Along with the rapid development of the economy in China, the demand of electric power is also expanding, and particularly, the closed type combined electrical appliance GIS of each voltage level is greatly developed. At present, in the existing GIS equipment of each manufacturer, more tee joint structure assembly working conditions exist, the existing tee joint structure assembly method mostly adopts manual butt joint, the butt joint precision is ensured through a special butt joint tool, the cylinder body is frequently hoisted, the labor intensity of workers is high, and the working efficiency is low. This is a disadvantage of the prior art.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a butt joint method for assembling a three-way structure of GIS equipment, which has the advantages of simple structure, high butt joint precision and high reliability.
The scheme is realized by the following technical measures: the utility model provides a GIS equipment tee bend structure assembly is with butt joint method, includes frame and control cabinet, be provided with horizontal conveyer and the perpendicular turning device by control cabinet control in the frame, be provided with the transfer table on the horizontal conveyer, the transfer table can dismantle fixed connection with tee bend jar body and butt joint spare, perpendicular turning device includes the chuck that can overturn, the chuck can dismantle fixed connection with tee bend jar body. By adopting the technical scheme, the horizontal conveying device and the vertical overturning device are controlled by the control console, the horizontal conveying device is provided with the butt joint parts which can be used for conveying the three-way tank body and are connected with the three-way tank body, when the three-way tank is used, the three-way tank body is conveyed to the lower part of the chuck through the horizontal conveying device, the three-way tank body is fixedly connected with the chuck, then the butt joint parts are conveyed to the lower part of the chuck through the horizontal conveying device, the butt joint parts are in butt joint with one flange connection end of the three-way tank body, then the chuck is overturned through the vertical overturning device, the other flange connection end of the three-way tank body is vertically downwards, the two butt joint parts are respectively in butt joint with the other two flange connection ends of the three-way tank body by using the same method, and the butt joint device is used, the three flange connection ends of the three-way tank body can be in butt joint with the butt joint parts through the overturning chuck only by clamping the three-way tank body once, the structure is simple, the use is convenient, and the butt joint precision of the three-way tank body and the butt joint parts can be effectively ensured.
Preferably, the horizontal conveying device comprises a conveying belt arranged on a frame, the conveying belt is driven by a servo motor I, and a limit sensor is further arranged on the frame. By adopting the technical scheme, the front end and the rear end of the frame are both provided with limit sensors, the limit sensors are matched with the servo motor I, and the horizontal transmission of the conveying table to the three-way tank body and the butt joint piece is accurately completed.
Preferably, the transmission belt is provided with a transmission plate I, the transmission table is arranged on the transmission plate I, and the transmission plate I can move along a guide rail I in the frame under the driving of the transmission belt. By adopting the technical scheme, the two ends of the transmission plate I are inserted into the guide rail I, preferably, the two ends of the transmission plate I are provided with pulleys, so that the three-way tank body conveyed by the conveying table and the butt joint piece are ensured to be on the same axis.
Preferably, the conveying table is a lifting conveying table. By adopting the technical scheme, the conveying table is arranged on the transmission plate through the lifting device (such as the lifting table and the electric push rod), when the conveying table conveys the butt joint part to run horizontally, the vertical height of the conveying table is reduced, so that the butt joint part on the conveying table can run to the position right below the chuck, and then the vertical height of the conveying table is raised, so that the butt joint part on the conveying table is in butt joint with the flange connection end of the three-way tank body; the conveying table is arranged to be capable of being lifted, and can be matched with the heights of the three flange connection ends on the three-way tank body, so that the three flange connection ends of the three-way tank body can be in butt joint with the butt joint piece.
Preferably, a screw hole for connecting with the three-way tank body and the butt joint piece is formed in the flange connection end of the conveying table. By adopting the technical scheme, the conveying table is fixedly connected with the three-way tank body and the butt joint piece through bolts.
Preferably, the chuck is driven to rotate by a servo motor II. By adopting the technical scheme, the servo motor II is adopted to drive the chuck to rotate, so that the precise overturning of each angle can be completed.
Preferably, the chuck is a liftable chuck. By adopting the technical scheme, the chuck is a chuck which can be lifted in the vertical direction, and three flange connection ends of the three-way tank body can be butted with the butting piece on the conveying table.
Preferably, the servo motor II is fixed on a transmission plate II, and the transmission plate II can move up and down along a guide rail II on the frame under the driving of the driving device. By adopting the technical scheme, through the drive of the driving device, the driving plate II can drive the chuck to complete the motion in the vertical direction, and preferably, the pulleys matched with the guide rail II are arranged at the two ends of the driving plate II, so that the motion stability of the driving plate II in the vertical direction is improved.
Preferably, the power device is a hydraulic cylinder or an electric push rod, one end of the hydraulic cylinder or the electric push rod is fixedly connected with the frame, and the other end of the hydraulic cylinder or the electric push rod is fixedly connected with the transmission plate II.
Preferably, the chuck comprises a connecting plate which is connected with three flange connection ends of the three-way tank body in a matched mode, and screw holes for connecting the three-way tank body are formed in the connecting plate. By adopting the technical scheme, the chuck can be accurately and conveniently fixedly connected with the flange connecting end of the three-way tank body through bolts.
A docking method comprising the steps of:
(1) Placing the three-way tank body on a conveying table, detachably fixing one flange connection end of the three-way tank body on the flange connection end on the conveying table, controlling a horizontal conveying device through a control table, conveying the three-way tank body to the lower part of a chuck by the horizontal conveying device, fixing the three-way tank body and the chuck, and detaching the three-way tank body from the conveying table;
(2) The vertical overturning device is controlled to move upwards through the control console, so that the chuck and the three-way tank body are driven to move upwards together; at the moment, the control console controls the horizontal conveying device, the horizontal conveying device conveys the conveying table to the initial position of the conveying table in the opposite direction, and then the butt joint piece is detachably fixed on the conveying table;
(3) The control console controls the horizontal conveying device, the horizontal conveying device conveys the butt joint piece on the conveying table to the lower side of the chuck, the control console controls the vertical overturning device, the vertical overturning device drives the chuck and the three-way tank body to downwards move to the upper side of the butt joint piece together, after the three-way tank body is fastened with the flange corresponding to the butt joint piece, the butt joint piece is removed from the conveying table, the control console controls the vertical overturning device, the vertical overturning device drives the chuck and the three-way tank body to upwards move, and drives the chuck and the three-way tank body to rotate so that the other flange connecting end of the three-way tank body is vertically downwards, the control console controls the horizontal conveying device, and the horizontal conveying device conveys the conveying table to the starting position;
(4) And the butt joint of the other flange connection ends of the three-way tank body and the butt joint piece is completed through the same operation.
A docking method comprising the steps of:
(1) Placing the three-way tank body on a conveying table, detachably fixing one flange connection end of the three-way tank body on the flange connection end of the conveying table, controlling a horizontal conveying device through a control table, conveying the three-way tank body to the lower part of a chuck by the horizontal conveying device, fixing the three-way tank body and the chuck, and detaching the three-way tank body from the conveying table;
(2) The horizontal conveying device is controlled by the control console, the horizontal conveying device conveys the conveying table to the starting position of the conveying table in the opposite direction, the height of the conveying table is reduced, and then the butt joint piece is detachably fixed on the conveying table;
(3) The control console controls the horizontal conveying device, the horizontal conveying device conveys the butt joint part of the conveying table to the lower part of the chuck, the height of the conveying table is raised, after the three-way tank body is fastened with the flange corresponding to the butt joint part, the butt joint part is detached from the conveying table, the height of the conveying table is lowered, the control console drives the chuck and the three-way tank body to rotate by controlling the vertical overturning device, so that the other flange connecting end of the three-way tank body is vertically downward, the control console controls the horizontal conveying device, and the horizontal conveying device conveys the conveying table to the starting position;
(4) And the butt joint of the other flange connection ends of the three-way tank body and the butt joint piece is completed through the same operation.
It can be seen that the present invention has outstanding substantial features and significant advances over the prior art, as well as the benefits of its implementation.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a butt joint method for assembling a three-way structure of GIS equipment;
FIG. 2 is a schematic diagram II of a butt joint method for assembling a three-way structure of GIS equipment;
FIGS. 3-12 are schematic diagrams of the process of docking the three-way canister with the docking piece (with the console omitted);
fig. 13 is a control schematic diagram of a butt joint method for assembling a three-way structure of a GIS device.
In the figure: the device comprises a 1-frame, a 2-control console, a 3-conveyor belt, a 4-transmission plate I, a 5-transmission platform, 5.1-screw holes, a 6-guide rail I, a 7-transmission plate II, an 8-servo motor II, a 9-guide rail II, a 10-hydraulic cylinder or an electric push rod, a 11-chuck, a 11.1-connecting plate, a 11.1.1-screw hole, a 12-servo motor I, a 13-limit sensor, a 14-tee tank body and a 15-butt joint piece.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments accompanied with specific embodiments and figures are described in detail below, wherein the embodiments are described only in part but not in all embodiments. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
As shown in the figure, the butt joint method for assembling the three-way structure of the GIS equipment comprises a frame 1 and a control console 2, wherein a horizontal conveying device controlled by the control console 2 and a vertical overturning device are arranged on the frame 1, a conveying table 5 is arranged on the horizontal conveying device, the conveying table 5 can be detachably and fixedly connected with a three-way tank 14 and a butt joint piece 15, the vertical overturning device comprises a reversible chuck 11, and the chuck 11 can be detachably and fixedly connected with the three-way tank 14.
In this technical scheme, horizontal transfer device includes the conveyer belt 3 of setting on frame 1, the conveyer belt 3 is driven by servo motor I12, still be provided with spacing sensor 13 on the frame 1.
In this technical scheme, be provided with drive plate I4 on the conveyer belt 3, drive plate I4 moves along with the rotation of conveyer belt 3, drive table 5 is fixed to be set up on drive plate I4, drive plate I4 can follow guide rail I6 on the frame 1 under the drive of conveyer belt 3.
In the technical scheme, a screw hole 5.1 for connecting the three-way tank 14 and the butt joint piece 15 is arranged on the flange connection end of the conveying table 5.
In this technical solution, the chuck 11 is driven to rotate by a servo motor ii 8.
In this embodiment, the chuck 11 is a liftable chuck.
In this technical scheme, servo motor II 8 is fixed on drive plate II 7, drive plate II 7 can reciprocate along the guide rail II 9 on the frame 1 under drive arrangement's drive.
In this technical scheme, power device is pneumatic cylinder or electric putter 10, pneumatic cylinder or electric putter 10's one end and frame 1 fixed connection, pneumatic cylinder or electric putter 10's the other end and drive plate II 7 fixed connection.
In this technical scheme, chuck 11 includes connecting plate 11.1 with three flange joint cooperation connection of tee bend jar body 14, be provided with on the connecting plate 11.1 with tee bend jar body 14 be connected the screw 11.1.1 usefulness.
The servo motor I12 and the conveyor belt 3 are arranged on the frame 1, the servo motor I12 is controlled by the control console 2, and a driven supporting shaft is arranged at intervals of 300mm at the bottom of the conveyor belt 3; the conveying platform 5 is arranged on the transmission plate I4 of the conveyor belt 3, pulleys are arranged on two sides of the transmission plate I4, a guide rail I6 matched with the pulleys on the transmission plate I4 is arranged on the inner side of the frame 1, each time the conveying parts are guaranteed to be on the same axis, screw holes 5.1 matched with the three-way tank 14 and the butt joint piece 15 are formed in the flange connection end of the conveying platform 5, the three-way tank can be used for assembly and positioning, limit sensors 13 are arranged at the front end and the rear end of the frame 1, and the three-way tank 14 and the butt joint piece 15 are matched with the servo motor I12 to finish accurate horizontal transmission. The hydraulic cylinder or the electric push rod 10 is fixedly connected with the transmission plate II 7, pulleys are arranged on two sides of the transmission plate II 7 and clamped in the guide rail II 9, the chuck 11 is connected with the servo motor II 8 through a coupler, the servo motor II 8 can drive the chuck 11 to finish accurate overturning at each angle under the control of the control console 2, and the hydraulic cylinder or the electric push rod 10 is controlled to move up and down through the control console 2, so that the chuck 11 is driven to finish vertical movement.
The steps for assembling the three-way structure by using the butt joint device are as follows:
1. firstly, the corresponding module is debugged into a working state.
2. The three-way tank body 14 is placed on the conveying table 5, the flange hole of the three-way tank body 14 is fixed with the conveying table 5, the servo motor I12 is controlled to rotate through the control table 2, the conveying belt 3 is driven to drive, the conveying table 5 and the three-way tank body 14 move forwards along with the conveying belt 3, after the conveying table 5 moves to a set position, the limit sensor 13 is triggered, the servo motor I12 stops rotating, and the conveying table 5 and the three-way tank body 14 stop moving. The three-way tank 14 is fixed with the chuck 11 by bolts, and the fixing bolts between the three-way tank 14 and the conveying table 5 are loosened. As shown in fig. 3 and 4.
3. The hydraulic cylinder or the electric push rod 10 is controlled by the control console 2 to act, and the hydraulic cylinder or the electric push rod 10 pushes the transmission plate II 7 to move upwards along the guide rail II 9, so that the chuck 11 and the three-way tank 14 are driven to move upwards together. At this time, the servo motor I12 is controlled to rotate reversely by the control console 2, the conveying table 5 is moved in the reverse direction by the conveying belt 3, when the conveying table 5 is transported to the starting position, the limit sensor 13 is triggered, the servo motor I12 stops rotating, and the conveying table 5 stops moving. After the assembly of the butt joint 15 is completed, the butt joint 15 is placed on the conveying table 5, and the butt joint 15 and the conveying table 5 are fastened and fixed. As shown in fig. 5 and 6.
4. The hydraulic cylinder or the electric push rod 10 is controlled by the control console 2 to act, and the hydraulic cylinder or the electric push rod 10 pulls the transmission plate II 7 to move downwards along the guide rail II 9, so that the chuck 11 and the three-way tank 14 are driven to move downwards together. After the three-way tank 14 and the butt joint piece 15 are fastened by the corresponding flanges, the hydraulic cylinder or the electric push rod 10 is controlled to move upwards, and the chuck 11 and the three-way tank 14 move upwards together under the action of the hydraulic cylinder or the electric push rod 10. The servo motor II 8 is controlled by the control console 2 to rotate anticlockwise, so that the chuck 11 and the three-way tank 14 are driven to complete rotation, and meanwhile, the servo motor I12 is controlled by the control console 2, so that the transmission table 5 is completed to return to an initial state. As shown in fig. 7 and 8.
5. The butt joint of the flange connection ends of the three-way tank 14 and the butt joint member 15 can be completed through the same operation, as shown in fig. 9-12.
In addition, the transmission plate ii 7 may be fixed on the frame 1, and the conveying table 5 is a liftable conveying table, which will not be described herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are mutually referred.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The butt joint method for the assembly of the three-way structure of the GIS equipment is characterized by comprising a butt joint device for the assembly of the three-way structure of the GIS equipment, wherein the butt joint device for the assembly of the three-way structure of the GIS equipment comprises a frame and a control console, a horizontal conveying device and a vertical overturning device controlled by the control console are arranged on the frame, a conveying table is arranged on the horizontal conveying device, the conveying table can be detachably and fixedly connected with a three-way tank body and a butt joint piece, the vertical overturning device comprises a reversible chuck, and the chuck can be detachably and fixedly connected with the three-way tank body;
the butt joint method for assembling the three-way structure of the GIS equipment comprises the following steps:
(1) Placing the three-way tank body on a conveying table, detachably fixing one flange connection end of the three-way tank body on the flange connection end on the conveying table, controlling a horizontal conveying device through a control table, conveying the three-way tank body to the lower part of a chuck by the horizontal conveying device, fixing the three-way tank body and the chuck, and detaching the three-way tank body from the conveying table;
(2) The vertical overturning device is controlled to move upwards through the control console, so that the chuck and the three-way tank body are driven to move upwards together; at the moment, the control console controls the horizontal conveying device, the horizontal conveying device conveys the conveying table to the initial position of the conveying table in the opposite direction, and then the butt joint piece is detachably fixed on the conveying table;
(3) The control console controls the horizontal conveying device, the horizontal conveying device conveys the butt joint piece on the conveying table to the lower side of the chuck, the control console controls the vertical overturning device, the vertical overturning device drives the chuck and the three-way tank body to downwards move to the upper side of the butt joint piece together, after the three-way tank body is fastened with the flange corresponding to the butt joint piece, the butt joint piece is removed from the conveying table, the control console controls the vertical overturning device, the vertical overturning device drives the chuck and the three-way tank body to upwards move, and drives the chuck and the three-way tank body to rotate so that the other flange connecting end of the three-way tank body is vertically downwards, the control console controls the horizontal conveying device, and the horizontal conveying device conveys the conveying table to the starting position;
(4) The butt joint of the other flange connecting ends of the three-way tank body and the butt joint piece is completed through the same operation;
or, the butt joint method for assembling the three-way structure of the GIS equipment comprises the following steps of:
(1) Placing the three-way tank body on a conveying table, detachably fixing one flange connection end of the three-way tank body on the flange connection end of the conveying table, controlling a horizontal conveying device through a control table, conveying the three-way tank body to the lower part of a chuck by the horizontal conveying device, fixing the three-way tank body and the chuck, and detaching the three-way tank body from the conveying table;
(2) The horizontal conveying device is controlled by the control console, the horizontal conveying device conveys the conveying table to the starting position of the conveying table in the opposite direction, the height of the conveying table is reduced, and then the butt joint piece is detachably fixed on the conveying table;
(3) The control platform controls the horizontal conveying device, the horizontal conveying device conveys the butt joint piece on the conveying platform to the lower part of the chuck, the height of the conveying platform is raised, after the three-way tank body is fastened with the flange corresponding to the butt joint piece, the butt joint piece is detached from the conveying platform, the height of the conveying platform is lowered, the control platform drives the chuck and the three-way tank body to rotate by controlling the vertical overturning device, so that the other flange connecting end of the three-way tank body is vertically downward, the control platform controls the horizontal conveying device, and the horizontal conveying device conveys the conveying platform to the starting position;
(4) And the butt joint of the other flange connection ends of the three-way tank body and the butt joint piece is completed through the same operation.
2. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 1, wherein the butt joint method comprises the following steps: the horizontal conveying device comprises a conveying belt arranged on a frame, the conveying belt is driven by a servo motor I, and a limit sensor is further arranged on the frame.
3. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 2, wherein the butt joint method comprises the following steps: the conveying table is arranged on the transmission plate I, and the transmission plate I can move along the guide rail I in the frame under the driving of the conveying belt.
4. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 1 or 2, wherein the butt joint method comprises the following steps: the conveying table is a lifting conveying table.
5. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 1 or 2, wherein the butt joint method comprises the following steps: and a screw hole used for being connected with the three-way tank body and the butt joint piece is formed in the flange connection end of the conveying table.
6. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 1 or 2, wherein the butt joint method comprises the following steps: the chuck is driven to rotate by a servo motor II.
7. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 6, wherein the butt joint method comprises the following steps: the chuck is a liftable chuck.
8. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 6, wherein the butt joint method comprises the following steps: the servo motor II is fixed on the transmission plate II, and the transmission plate II can move up and down along the guide rail II on the frame under the drive of the driving device.
9. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 8, wherein the butt joint method comprises the following steps: the driving device is a hydraulic cylinder or an electric push rod, one end of the hydraulic cylinder or the electric push rod is fixedly connected with the frame, and the other end of the hydraulic cylinder or the electric push rod is fixedly connected with the transmission plate II.
10. The butt joint method for assembling the three-way structure of the GIS equipment according to claim 1 or 2, wherein the butt joint method comprises the following steps: the chuck comprises a connecting plate which is matched and connected with three flange connection ends of the three-way tank body, and screw holes which are used for being connected with the three-way tank body are formed in the connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710685283.1A CN107486703B (en) | 2017-08-11 | 2017-08-11 | Butt joint method for assembling three-way structure of GIS equipment |
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|---|---|---|---|
| CN201710685283.1A CN107486703B (en) | 2017-08-11 | 2017-08-11 | Butt joint method for assembling three-way structure of GIS equipment |
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| CN107486703A CN107486703A (en) | 2017-12-19 |
| CN107486703B true CN107486703B (en) | 2024-01-19 |
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| CN105252760A (en) * | 2015-09-11 | 2016-01-20 | 宁波市宇华电器有限公司 | PE three-way pipe processing device |
| CN106695667A (en) * | 2015-11-13 | 2017-05-24 | 中国科学院沈阳自动化研究所 | Automatic Intermediate shaft component assembling unit oriented to heavy truck transmission |
| CN207223343U (en) * | 2017-08-11 | 2018-04-13 | 山东泰开高压开关有限公司 | A kind of GIS device three-port structure assembling docking facilities |
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