CN110625316A - Welding tool for valve cover and valve body of gate valve and stop valve - Google Patents
Welding tool for valve cover and valve body of gate valve and stop valve Download PDFInfo
- Publication number
- CN110625316A CN110625316A CN201911009468.6A CN201911009468A CN110625316A CN 110625316 A CN110625316 A CN 110625316A CN 201911009468 A CN201911009468 A CN 201911009468A CN 110625316 A CN110625316 A CN 110625316A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- supporting plates
- welding
- turntables
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 31
- 238000005259 measurement Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a welding tool for a valve cover and a valve body of a gate valve and a stop valve, which comprises a welding workbench, wherein a valve body mounting frame is arranged in the middle of the welding workbench and comprises two turntables and two supporting plates, the two supporting plates are symmetrically arranged in upper planes at two sides of a rotating central line of the turntables, the turntables are arranged on the welding workbench through rotating bearings, and the upper ends of the supporting plates are provided with circular arcs with the same radian as the outer circular wall of a valve body channel; the supporting plates are provided with radian adjusting devices, and a height adjusting device is arranged between one of the supporting plates and the turntable. The valve cover and the valve body are welded, leakage points of middle-channel flange connection are eliminated, the sealing reliability of the valve is improved, the service life of the valve is prolonged, and the maintenance-free use requirement of the long-distance pipeline valve is met. The device is suitable for the maintenance-free medium conveying working condition of the long-distance pipeline.
Description
Technical Field
The invention relates to a valve machining tool. The invention is suitable for welding tools between valve covers and valve bodies of gate valves and stop valves.
Background
At present, flange connection is adopted between valve covers of a gate valve and a stop valve and a valve body, leakage points exist between the valve covers and the valve body, leakage easily occurs in long-term use on an outdoor long-distance pipeline, safety accidents are caused, the sealing reliability of products is poor, and the service life is short. Therefore, most of the main pipelines of domestic long-distance pipelines adopt inlet valve products.
Disclosure of Invention
In order to avoid the leakage problem existing in flange connection, the valve cover and the valve body are welded to eliminate leakage points of a middle channel, improve the sealing performance of the middle channel and prolong the service life of a product, and the invention provides the welding tool for the valve cover and the valve body of the gate valve and the stop valve.
The technical scheme includes that the valve body installation frame comprises two rotary tables and two support plates, the two support plates are symmetrically arranged in upper planes on two sides of a rotary central line of the rotary tables, the rotary tables are arranged on the welding workbench through rotary bearings, and the upper ends of the support plates are provided with circular arcs with the same radian as the outer circular wall of a valve body channel; the supporting plates are provided with radian adjusting devices, and a height adjusting device is arranged between one supporting plate and the turntable; a horizontal measuring device is arranged on the side wall of the welding workbench; the upper portion of the welding workbench is provided with a radial positioning column, the outer cylindrical surface of the radial positioning column is matched with a mounting hole in the upper portion of the welding workbench through threads, the center line of the radial positioning column is coincided with the rotating center line of the rotary table, the lower end face of the radial positioning column is provided with a positioning boss, and the positioning boss is in clearance fit with a radial positioning concave hole in the upper end face of the valve support.
The height adjusting device comprises a hand wheel, a rotating shaft, a bevel gear and a screw rod, wherein the bevel gear consists of a driving wheel and a driven wheel, the driven wheel is arranged in a turntable right below the supporting plate through an upper bearing and a lower bearing, the center of the driven wheel is provided with a screw hole matched with the screw rod, and the upper end surface of the screw rod is in top contact with the center position of the lower end surface of the supporting plate; the rotating shaft is horizontally arranged in the turntable through a bearing, one end of the rotating shaft is fixedly connected with the hand wheel, the other end of the rotating shaft is fixedly connected with the driving wheel, and the driving wheel and the driven wheel are meshed with each other through 45-degree bevel gears.
The level measurement device comprises datum plate and spirit level, and the spirit level is installed perpendicularly on the datum plate, and the datum plate passes through telescopic link movable mounting on weldment work platform's lateral wall, and the spirit level adopts articulated connection on the datum plate.
The welding tool has the advantages that the welding tool is provided between the valve body and the valve cover of the gate valve and the stop valve, the welding connection between the valve cover and the valve body is realized, the leakage point of the middle-way flange connection is eliminated, the sealing reliability and the service life of the valve are improved, and the maintenance-free use requirement of the long-distance pipeline valve is met.
Drawings
Fig. 1 is a schematic diagram of the structure of the present statement.
Detailed Description
The welding tool for the valve cover and the valve body of the gate valve and the stop valve as shown in fig. 1 comprises a welding workbench 1, a valve body mounting frame is arranged in the middle of the welding workbench 1 and comprises a rotary table 2 and two support plates 3, the two support plates 3 are symmetrically arranged in the upper planes on two sides of the rotation center line of the rotary table 2, the rotary table 2 is arranged on the welding workbench 1 through a rotary bearing 14, so that the rotary table 2 can rotate relative to the welding workbench 1, the rotation mode can adopt electric mode, the rotation speed can be adjusted according to welding requirements, the upper end of the support plate 3 is provided with an arc with the same radian as the outer circular wall of a channel of a valve body 4, and the valve body 1 can be stably placed in the; the support plate 3 is provided with a radian adjusting device, and the radian of the arc of the support plate is correspondingly adjusted according to the change of the outer diameter of the channel of the valve body 4; the supporting plate 3 can also adopt a replaceable structure, and the supporting plate 3 with the corresponding arc radian can be replaced according to the caliber of the valve body 4; a height adjusting device is arranged between one of the supporting plates 3 and the rotary table 2 and is used for adjusting the levelness of the central line of the channel of the valve body 4; a horizontal measuring device is arranged on the side wall of the welding workbench 1 and is used for measuring the levelness of the central line of the channel of the valve body 4; radial reference column 5 is installed to 1 upper end of weldment work platform, adopts the screw thread to mutually support between the mounting hole on this radial reference column 5 outer face of cylinder and 1 upper portion of weldment work platform, and its central line and 2 lines of rotation coincidence of carousel, the terminal surface is equipped with the location boss down, and this location boss and the radial positioning shrinkage pool clearance fit of valve support up end realize to the radial positioning by 4 circumferencial directions of welded valve gap and valve body, guarantee the straightness that hangs down of post-assembly valve rod.
The height adjusting device comprises a hand wheel 6, a rotating shaft 7, a bevel gear and a screw rod 11, wherein the bevel gear consists of a driving wheel 9 and a driven wheel 10, the driven wheel 10 is installed in the turntable 2 right below the supporting plate 3 through an upper bearing 13 and a lower bearing 12, the center of the driven wheel is provided with a screw hole matched with the screw rod 11, and the upper end surface of the screw rod 11 is in top contact with the center position of the lower end surface of the supporting plate 3; the rotating shaft 7 is horizontally arranged in the turntable 2 through a bearing 8, one end of the rotating shaft is fixedly connected with the hand wheel 6, the other end of the rotating shaft is fixedly connected with the driving wheel 9, and the driving wheel 9 and the driven wheel 10 are meshed with each other through 45-degree bevel gears. The hand wheel 6 is rotated to drive the bevel gear to rotate, so that the screw rod 11 moves up and down, the supporting plate 3 above the screw rod 11 is pushed to move up and down, and the levelness of the valve body 4 is adjusted.
The level measurement device consists of a reference plate and a level meter, the level meter is vertically arranged on the reference plate, and the plane of the reference plate is tightly attached to the end surface of the channel of the valve body 4 during level measurement. The reference plate is movably installed on the side wall of the welding workbench through the telescopic rod, the telescopic rod stretches out to compress the plane of the reference plate and the end face of the channel of the valve body 4 during measurement, and after the measurement is completed, the reference plate is contracted into the side wall of the welding workbench 1. The reference plate can also be hung on the side wall of the welding workbench 1, and is taken down during measurement and hung after the measurement is finished. The gradienter is hinged on the reference plate and can rotate on the reference plate within 90 degrees, and can be collected into the reference plate after measurement. The level meter can adopt a level checker with a transparent tube and mercury structure.
Claims (3)
1. The utility model provides a welding frock for gate valve and stop valve gap and valve body, includes weldment work platform (1), characterized by: the valve body mounting frame is arranged in the middle of the welding workbench (1) and comprises two turntables (2) and two supporting plates (3), the two supporting plates (3) are symmetrically arranged in upper planes on two sides of a rotating central line of the turntables (2), the turntables (2) are arranged on the welding workbench (1) through rotating bearings (14), and the upper ends of the supporting plates (3) are provided with circular arcs with the same radian as the outer circular wall of a channel of the valve body (4); the supporting plate (3) is provided with a radian adjusting device; a height adjusting device is arranged between one of the supporting plates (3) and the turntable (2); a horizontal measuring device is arranged on the side wall of the welding workbench (1); radial reference column (5) of weldment work platform (1) upper end installation, adopt the screw thread to mutually support between the mounting hole on this radial reference column (5) outer face of cylinder and weldment work platform (1) upper portion, its central line and carousel (2) line of rotation coincidence, terminal surface is equipped with the location boss under radial reference column (5), this location boss and the radial positioning shrinkage pool clearance fit of valve support up end.
2. The welding tool for the valve cover and the valve body of the gate valve and the stop valve according to claim 1, which is characterized in that: the height adjusting device comprises a hand wheel (6), a rotating shaft (7), a bevel gear and a screw rod (11), the bevel gear consists of a driving wheel (9) and a driven wheel (10), the driven wheel (10) is installed in a rotary table (2) right below a supporting plate (3) through an upper bearing (13) and a lower bearing (12), a screw hole matched with the screw rod (11) is formed in the center of the driven wheel, and the upper end face of the screw rod (11) is in top contact with the center of the lower end face of the supporting plate (3); the rotating shaft (7) is horizontally arranged in the turntable (2) through a bearing (8), one end of the rotating shaft is fixedly connected with the hand wheel (6), the other end of the rotating shaft is fixedly connected with the driving wheel (9), and the driving wheel (9) and the driven wheel (10) are meshed with each other through 45-degree bevel gears.
3. The welding tool for the valve cover and the valve body of the gate valve and the stop valve according to claim 1 or 2, which is characterized in that: the level measurement device comprises datum plate and spirit level, and the spirit level is installed perpendicularly on the datum plate, and the datum plate passes through telescopic link movable mounting on weldment work platform's lateral wall, and the spirit level adopts articulated connection on the datum plate, can rotate on the datum plate 90 the scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009468.6A CN110625316B (en) | 2019-10-23 | 2019-10-23 | Welding tool for valve cover and valve body of gate valve and stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009468.6A CN110625316B (en) | 2019-10-23 | 2019-10-23 | Welding tool for valve cover and valve body of gate valve and stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110625316A true CN110625316A (en) | 2019-12-31 |
| CN110625316B CN110625316B (en) | 2024-10-01 |
Family
ID=68977281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911009468.6A Active CN110625316B (en) | 2019-10-23 | 2019-10-23 | Welding tool for valve cover and valve body of gate valve and stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110625316B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253785A (en) * | 2020-10-23 | 2021-01-22 | 安徽铜陵科力阀门有限责任公司 | Valve with telescopic base |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000001402U (en) * | 1998-06-25 | 2000-01-25 | 이종대 | Water valve |
| CN102528538A (en) * | 2012-02-29 | 2012-07-04 | 上海宏功机械科技有限公司 | Machining method for valve body, clamping clamp and machining equipment |
| CN104500806A (en) * | 2014-11-06 | 2015-04-08 | 北京控制工程研究所 | Inflation valve and assembly method thereof |
| CN105149803A (en) * | 2015-09-25 | 2015-12-16 | 杭州力源发电设备有限公司 | Welding device applied to fully-welded ball valve body and welding technology of welding device |
| CN210848971U (en) * | 2019-10-23 | 2020-06-26 | 浙江伯特利科技有限公司 | Welding tool for valve cover and valve body of gate valve and stop valve |
-
2019
- 2019-10-23 CN CN201911009468.6A patent/CN110625316B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000001402U (en) * | 1998-06-25 | 2000-01-25 | 이종대 | Water valve |
| CN102528538A (en) * | 2012-02-29 | 2012-07-04 | 上海宏功机械科技有限公司 | Machining method for valve body, clamping clamp and machining equipment |
| CN104500806A (en) * | 2014-11-06 | 2015-04-08 | 北京控制工程研究所 | Inflation valve and assembly method thereof |
| CN105149803A (en) * | 2015-09-25 | 2015-12-16 | 杭州力源发电设备有限公司 | Welding device applied to fully-welded ball valve body and welding technology of welding device |
| CN210848971U (en) * | 2019-10-23 | 2020-06-26 | 浙江伯特利科技有限公司 | Welding tool for valve cover and valve body of gate valve and stop valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253785A (en) * | 2020-10-23 | 2021-01-22 | 安徽铜陵科力阀门有限责任公司 | Valve with telescopic base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110625316B (en) | 2024-10-01 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 325102 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou, Zhejiang Applicant after: Zhejiang bertley Technology Co.,Ltd. Address before: 325102 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou, Zhejiang Applicant before: ZHEJIANG BOTELI VALVE Group |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |