CN218904078U - Gate valve guide rib welding tool - Google Patents
Gate valve guide rib welding tool Download PDFInfo
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- CN218904078U CN218904078U CN202223103118.6U CN202223103118U CN218904078U CN 218904078 U CN218904078 U CN 218904078U CN 202223103118 U CN202223103118 U CN 202223103118U CN 218904078 U CN218904078 U CN 218904078U
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- rod
- guide rib
- valve body
- gate valve
- separating plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a gate valve guide rib welding tool which comprises an upper propping mechanism, a lower propping mechanism and a height positioning mechanism, wherein the lower propping mechanism comprises two symmetrical adjusting joints and two symmetrical ejector rods, the adjusting joints are mutually perpendicular to the ejector rods, the adjusting joints are used for propping against the inner wall of a valve body to adjust the lower propping mechanism, the ejector rods are used for propping against the lower parts of two opposite guide ribs to fix the guide ribs on the inner wall of the valve body, the upper propping mechanism is used for propping against the upper parts of the two opposite guide ribs to fix the guide ribs on the inner wall of the valve body, and the height positioning mechanism is arranged above the upper propping mechanism and used for limiting the height direction of the guide ribs. The welding tool can adapt to a smaller space inside the valve body, can effectively overcome the influence of thermal deformation after welding on the position degree of the guide rib, and ensures the accuracy of the welding position of the guide rib.
Description
Technical Field
The utility model relates to the technical field of gate valve machining, in particular to a gate valve guide rib welding tool.
Background
The guide rib of the gate valve body plays a very important role in the assembly process of the gate valve: 1. the gate valve guide ribs are symmetrical references for finish machining of valve seat holes on two sides of the valve body; 2. in the assembly process of the gate valve, gate valve guide ribs are symmetrical references in the assembly process of the gate plate; 3. in the working process of the gate valve, the guide rib plays a role in guiding the gate plate, so that the gate plate is prevented from deviating too much due to the thrust of a medium in the closing or opening process of the gate valve, and the sealing surface is prevented from being scratched.
In the traditional forging gate valve, a groove with a small width is directly machined on the inner wall of a gate valve body through a slotting machine or a planing machine to serve as a guide groove of the gate valve, the mode can lead to the increase of the size of a middle cavity of the valve body, the whole appearance of the valve body can also be increased, the weight of a blank is increased, and the cost of the valve is increased; it is also necessary to rely on equipment such as a cutting machine or a planing machine for machining, which increases the machining cycle time and the manufacturing cost. When designing the valve, the size of the middle cavity of the valve body is reduced as much as possible under the premise of meeting the design requirement to reduce the cost, but the middle cavity is not provided with redundant space for processing the guide rib, in this case, the cost can be reduced by adopting a mode of manufacturing the independent guide rib and then assembling and welding the independent guide rib on the inner wall of the middle cavity of the valve body, as shown in fig. 11 to 13, the guide rib is of a strip-shaped structure, one side of the guide rib is provided with a groove, and the other side of the guide rib is provided with an arc surface matched with the inner wall of the valve body.
In order to ensure that the welded guide rib can meet the various functional requirements of the guide rib as the guide rib processed by the body, the accuracy of the position of the guide rib relative to the valve seat hole of the gate valve after welding is ensured in the process.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a gate valve guide rib welding tool which can adapt to a smaller space in a valve body, effectively overcome the influence of thermal deformation after welding on the position degree of a guide rib and ensure the accuracy of the welding position of the guide rib.
The utility model provides a gate valve guide rib welding tool which comprises an upper propping mechanism, a lower propping mechanism and a height positioning mechanism, wherein the lower propping mechanism comprises two symmetrical adjusting joints and two symmetrical ejector rods, the adjusting joints are mutually perpendicular to the ejector rods, the adjusting joints are used for propping against the inner wall of a valve body to adjust the lower propping mechanism, the ejector rods are used for propping against the lower parts of two opposite guide ribs to fix the guide ribs on the inner wall of the valve body, the upper propping mechanism is used for propping against the upper parts of the two opposite guide ribs to fix the guide ribs on the inner wall of the valve body, and the height positioning mechanism is arranged above the upper propping mechanism and used for limiting the height direction of the guide ribs.
Further, the lower jacking mechanism comprises a valve seat separating plate and a guide rib separating plate, the valve seat separating plate is tiled at the bottom of the valve body, joint adjusting holes are formed in the two ends of the valve seat separating plate along the axial direction, adjusting joints are retractably arranged in the joint adjusting holes, the guide rib separating plate is vertically arranged on the valve seat separating plate, and the ejector rod is arranged on the guide rib separating plate.
Further, the guide rib dividing plate is provided with a push rod adjusting hole, and the push rod is telescopically arranged in the push rod adjusting hole.
Further, a strip-shaped mounting groove is formed in the center of the top of the valve seat separating plate, the mounting groove is perpendicular to the joint adjusting hole, and the guide rib separating plate is arranged in the mounting groove.
Further, the tightening mechanism comprises a rotating rod, two movable rings sleeved on the rotating rod, a pressure head arranged on the side face of the rotating rod and a connecting rod for connecting the pressure head and the movable rings, wherein the pressure head is used for tightening the guide rib, two ends of the connecting rod are respectively hinged with the movable rings and the pressure head, and the movable rings can move along the rotating rod in opposite directions.
Further, the rotating rod is connected with the movable ring through threads, the movable ring is respectively arranged on the upper part and the lower part of the rotating rod, and the threads on the upper part and the lower part of the rotating rod are opposite in rotation direction.
Further, a strip-shaped protrusion matched with the groove of the guide rib is arranged on one side, away from the rotary rod, of the pressure head.
Further, one end of the height positioning mechanism is fixed on the upper part of the inner wall of the valve body, and the other end of the height positioning mechanism penetrates through the fixing hole of the guide rib to be used for positioning the welding position in the height direction of the guide rib.
Further, the height positioning mechanism comprises a pull rod, an upper positioning rod is arranged at one end of the pull rod, a lower positioning rod is arranged at the other end of the pull rod, the upper positioning rod and the lower positioning rod are perpendicular to the pull rod, the upper positioning rod is used for being connected with the valve body, and the lower positioning rod is used for penetrating through a fixing hole of the guide rib.
Further, the upper locating rod is used for being inserted into the quarter ring hole of the valve body.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the height positioning mechanism is used for positioning the guide rib to be welded, so that the welding precision of the guide rib on the height is ensured, the upper part and the lower part of the guide rib are respectively fixed through the upper propping mechanism and the lower propping mechanism, and the symmetry degree of welding the guide rib is ensured through arranging the mutually vertical adjusting joint and the ejector rod by the lower propping mechanism, thereby realizing the accurate positioning welding of the guide rib in the valve body, having lower requirement on the size of the valve body and obviously reducing the external dimension of the valve body.
2. According to the utility model, two opposite guide ribs can be fixed at a time, and the two guide ribs are welded, so that the welding efficiency is improved.
3. According to the tightening mechanism, the protrusion matched with the guide rib groove is arranged, so that the fixing effect of the tightening mechanism on the guide rib is improved, and the accuracy of the welding position of the guide rib is improved.
Drawings
FIG. 1 is a schematic view of the mounting structure of the lower tightening mechanism and the height positioning mechanism of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the lower and upper tightening mechanisms of the present utility model;
FIG. 3 is a schematic view of the structure of the valve body of the present utility model;
FIG. 4 is a schematic view of the arrangement of the guide rib split line in the valve body of the present utility model;
FIG. 5 is a schematic view of a height positioning mechanism according to the present utility model;
FIG. 6 is a front view of the tightening mechanism of the present utility model;
FIG. 7 is a top view of the tightening mechanism of the present utility model;
FIG. 8 is a schematic view of the lower tightening mechanism of the present utility model;
FIG. 9 is a schematic view of a valve seat separating plate according to the present utility model;
FIG. 10 is a schematic view of a guide rib dividing plate according to the present utility model;
FIG. 11 is a front view of a guide bar of the present utility model;
FIG. 12 is a cross-sectional view of a guide rib of the present utility model;
FIG. 13 is a top view of a guide bar of the present utility model;
reference numerals: 1-a jacking mechanism; 2-a lower jacking mechanism; 3-a height positioning mechanism; 4-a valve seat dividing plate; 5-a guide rib dividing plate; 6-joint adjustment holes; 7-adjusting the joint; 8-a mandril adjusting hole; 9-ejector rods; 10-mounting grooves; 11-rotating a rod; 12-moving the ring; 13-pressing head; 14-connecting rods; 15-bulge; 16-pull rod; 17-upper positioning rod; 18-lower positioning rod; 19-a valve body; 20-four-ring hole; 21-a guide rib; 22-fixing holes; 23-grooves; 24-dividing the guide rib into lines;
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1, 2 and fig. 8 to 10, a gate valve guide rib welding tool comprises an upper propping mechanism 1, a lower propping mechanism 2 and a height positioning mechanism 3, wherein the lower propping mechanism 2 comprises two symmetrical adjusting joints 7 and two symmetrical ejector rods 9, the adjusting joints 7 are mutually perpendicular to the ejector rods 9, the adjusting joints 7 are used for propping against the inner wall of a valve body 19 to center the lower propping mechanism 2, the ejector rods 9 are used for propping against the lower parts of two opposite guide ribs 21 to fix the guide ribs 21 on the inner wall of the valve body 19, the upper propping mechanism 1 is used for propping against the upper parts of the two opposite guide ribs 21 to fix the guide ribs 21 on the inner wall of the valve body 19, and the height positioning mechanism 3 is arranged above the upper propping mechanism 1 and used for limiting the height direction of the guide ribs 21.
Specifically, the height positioning mechanism 3, the upper propping mechanism 1 and the lower propping mechanism 2 are sequentially arranged inside the valve body 19 from top to bottom, the height positioning mechanism 3 fixes the height direction of the guide rib 21 by lifting the guide rib 21, the upper propping mechanism 1 fixes the upper part of the guide rib 21 on the inner wall of the valve body 19, and the lower propping mechanism 2 fixes the lower part of the guide rib 21 on the inner wall of the valve body 19.
It can be understood that, after the height of the guide rib 21 is positioned by the height positioning mechanism 3, the guide rib 21 is fixed on the inner wall of the valve body 19 by using the upper propping mechanism 1 and the lower propping mechanism 2, that is, the fixing of the guide rib 21 is completed, and at this time, the height positioning mechanism 3 is removed to start welding. Because the adjusting joints 7 of the lower jacking mechanism 2 are symmetrically arranged, the lower jacking mechanism 2 can be adjusted, two opposite guide ribs 21 are jacked by two symmetrically arranged ejector rods 9 after the adjustment, and the ejector rods 9 are mutually perpendicular to the adjusting joints 7, so that the ejector rods 9 can be guaranteed to be just jacked in the fixing holes 22 positioned on the axes of the guide ribs 21, and the symmetry of the guide ribs 21 is guaranteed.
In some embodiments, the lower tightening mechanism 2 includes a valve seat separating plate 4 and a guide rib separating plate 5, the valve seat separating plate 4 is tiled at the bottom of the valve body 19, two ends of the valve seat separating plate 4 are axially provided with joint adjusting holes 6, the adjusting joints 7 are telescopically arranged in the joint adjusting holes 6, the guide rib separating plate 5 is vertically arranged on the valve seat separating plate 4, and the ejector rod 9 is arranged on the guide rib separating plate 5.
Specifically, the adjusting joint 7 is in threaded connection with the joint adjusting hole 6, after the valve seat separating plate 4 is placed at the bottom in the valve body 19, the valve seat separating plate 4 can be adjusted through adjusting the adjusting joint 7, so that the center of the valve seat separating plate 4 passes through the axis of the valve body 19, and meanwhile, the valve body 19 with different sizes can be applied through adjusting the adjusting joint 7.
In some embodiments, the guide rib dividing plate 5 is provided with a push rod adjusting hole 8, and the push rod 9 is telescopically arranged in the push rod adjusting hole 8.
Specifically, the ejector rod 9 is connected with the ejector rod adjusting hole 8 through threads, after the valve seat centering plate 4 is adjusted, the guide rib 21 can be propped against the inner wall of the valve body 19 through adjusting the ejector rod 9, and the valve body 19 with different sizes can be suitable through adjusting the ejector rod 9.
In some embodiments, a strip-shaped mounting groove 10 is formed in the center of the top of the valve seat separating plate 4, the mounting groove 10 is perpendicular to the joint adjusting hole 6, and the guide rib separating plate 5 is arranged in the mounting groove 10.
It can be understood that the valve seat separating plate 4 and the guide rib separating plate 5 can be of an integrated structure, but are divided into two independent structures, so that the installation work before welding is facilitated.
As shown in fig. 6 and 7, in some embodiments, the tightening mechanism 1 includes a rotating rod 11, two moving rings 12 sleeved on the rotating rod 11, a pressing head 13 disposed on a side surface of the rotating rod 11, and a connecting rod 14 connecting the pressing head 13 and the moving rings 12, wherein the pressing head 13 is used for tightening a guide rib 21, two ends of the connecting rod 14 are respectively hinged with the moving rings 12 and the pressing head 13, and the moving rings 12 can move along the rotating rod 11 in opposite directions.
Further, the rotating rod 11 is connected with the moving ring 12 through threads, one moving ring 12 is respectively arranged at the upper part and the lower part of the rotating rod 11, and the threads at the upper part and the lower part of the rotating rod 11 are opposite in rotation direction.
It can be understood that after the tightening mechanism 1 is placed at a position in the valve body 19 near the upper part of the guide rib 21, the two moving rings 12 are close to each other by rotating the rotating rod 11, so that the connecting rod 14 pushes the pressing head 13 to move in a direction away from the rotating rod 11, thereby enabling the pressing head 13 to tightly tighten the guide rib 21 on the inner wall of the valve body 19, and a turntable is further arranged at the top end of the rotating rod 11, so that the rotating rod 11 is convenient to rotate.
In some embodiments, the side of the ram 13 away from the lever 11 is provided with a bar-shaped protrusion 15 that mates with a groove 23 of the guide rib 21.
It can be appreciated that since the groove 23 is formed on one side of the guide rib 21, the fixing effect of the pressing head 13 on the guide rib 21 can be improved and the installation accuracy of the guide rib 21 can be improved by providing the protrusion 15 with the same size as the groove 23 on the pressing head 13.
In some embodiments, one end of the height positioning mechanism 3 is fixed on the upper part of the inner wall of the valve body 19, and the other end passes through the fixing hole 22 of the guide rib 21 to position the welding position of the guide rib 21 in the height direction.
As shown in fig. 5, the height positioning mechanism 3 includes a pull rod 16, one end of the pull rod 16 is provided with an upper positioning rod 17, the other end is provided with a lower positioning rod 18, the upper positioning rod 17 and the lower positioning rod 18 are perpendicular to the pull rod 16, the upper positioning rod 17 is used for being connected with a valve body 19, and the lower positioning rod 18 is used for penetrating through a fixing hole 22 of a guide rib 21.
Specifically, the height positioning mechanism 3 is provided with two, two opposite guide ribs 21 are limited in the height direction respectively, the upper positioning rod 17 and the lower positioning rod 18 are both fixed with the pull rod 16 through threads, the upper positioning rod 17 can be fixed at the top of the valve body 19 through bolts or inside the valve body 19, and the positioning height of the guide ribs 21 can be changed by processing the pull rods 16 with different lengths or arranging the lower positioning rod 18 at different positions on the pull rods 16.
Further, the upper positioning rod 17 is used for being inserted into a quarter ring hole 20 of the valve body 19.
The function of the quarter ring hole 20 of the valve body 19 in the valve is that when the valve is maintained and disassembled, if the quarter ring is rusted in the quarter ring groove of the valve body 19, a tool can be used for pushing the quarter ring out of the quarter ring hole 20. The upper positioning rod 17 can fix the height of the guide rib 21 by using the quarter ring hole 20 as a fixing point and a reference point.
The using method of the welding tool comprises the following steps: the lower positioning rods 18 of the two height positioning mechanisms 3 are respectively inserted into the first fixing holes 22 of the two guide ribs 21, and then the upper positioning rods 17 of the two height positioning mechanisms 3 are respectively inserted into the quarter ring holes 20 and lean against the inner wall of the valve body 19, so that the positioning of the guide ribs 21 in the height direction is completed.
After the valve seat dividing plate 4 is placed at the bottom of the valve body 19 such that the joint adjusting hole 6 is perpendicular to the fixing hole 22 of the guide rib 21, the guide rib 21 is aligned with the guide rib dividing line 24 as shown in fig. 4; the adjusting joint 7 is screwed out to lean against the bottom of the inner wall of the valve body 19 by using a spanner, the centering of the valve seat separating plate 4 is completed, then the guide rib separating plate 5 is inserted into the mounting groove 10 of the valve seat separating plate 4, the ejector rod 9 is screwed out to lean against the fixing hole 22 of the guide rib 21 by using the spanner, and the lower part of the guide rib 21 is fixed, and the state shown in fig. 1 is a structural schematic diagram of the installed height positioning mechanism 3 and the lower jacking mechanism 2.
Then the height positioning mechanism 3 is disassembled, the tightening mechanism 1 is placed in the valve body 19, the rotary rod 11 is rotated, the protrusion 15 of the pressure head 13 is just embedded into the groove 23 of the guide rib 21 and compresses the guide rib 21, the upper part of the guide rib 21 is fixed, the welding can be started at the moment, and the structural schematic diagram of the valve body 19 after the welding is completed is shown in fig. 3.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (10)
1. A gate valve guide bar welding tool is characterized in that: including last tight mechanism (1), tight mechanism (2) and high positioning mechanism (3) of top down, tight mechanism (2) of top down include two symmetrical regulation joints (7) and two symmetrical ejector pins (9), regulation joint (7) and ejector pins (9) mutually perpendicular, regulation joint (7) are used for supporting to lean on valve body (19) inner wall to adjust tight mechanism (2) down in, ejector pins (9) are used for pushing up the lower part of tight two relative direction bars (21) and fix direction bars (21) on valve body (19) inner wall, go up tight mechanism (1) and be used for pushing up the upper portion of tight two relative direction bars (21) and fix direction bars (21) on valve body (19) inner wall, high positioning mechanism (3) set up in the top of tight mechanism (1) of top for spacing direction bars (21) height.
2. The gate valve bead bonding tool according to claim 1, wherein: the lower jacking mechanism (2) comprises a valve seat separating plate (4) and a guide rib separating plate (5), the valve seat separating plate (4) is tiled at the bottom of the valve body (19), joint adjusting holes (6) are formed in the two ends of the valve seat separating plate (4) along the axial direction, adjusting joints (7) are retractably arranged in the joint adjusting holes (6), the guide rib separating plate (5) is vertically arranged on the valve seat separating plate (4), and the ejector rod (9) is arranged on the guide rib separating plate (5).
3. The gate valve bead bonding tool according to claim 2, wherein: the guide rib dividing plate (5) is provided with a push rod adjusting hole (8), and the push rod (9) is telescopically arranged in the push rod adjusting hole (8).
4. A gate valve guide bar bonding tool according to claim 3, characterized in that: the valve seat divides top central authorities of board (4) to offer bar mounting groove (10), mounting groove (10) perpendicular to joint regulation hole (6), direction muscle divides board (5) to set up in mounting groove (10).
5. The gate valve bead welding tool according to any one of claims 1 to 4, wherein: the tightening mechanism (1) comprises a rotary rod (11), two movable rings (12) sleeved on the rotary rod (11), a pressure head (13) arranged on the side face of the rotary rod (11) and a connecting rod (14) for connecting the pressure head (13) with the movable rings (12), wherein the pressure head (13) is used for tightening guide ribs (21), two ends of the connecting rod (14) are respectively hinged with the movable rings (12) and the pressure head (13), and the movable rings (12) can move along the rotary rod (11) in opposite directions.
6. The gate valve bead bonding tool according to claim 5, wherein: the rotary rod (11) is connected with the movable ring (12) through threads, the movable ring (12) is respectively arranged at the upper part and the lower part of the rotary rod (11), and the threads at the upper part and the lower part of the rotary rod (11) are opposite in rotation direction.
7. The gate valve bead bonding tool according to claim 5, wherein: a strip-shaped protrusion (15) matched with the groove (23) of the guide rib (21) is arranged on one side, away from the rotary rod (11), of the pressure head (13).
8. The gate valve bead bonding tool according to claim 1, wherein: one end of the height positioning mechanism (3) is fixed on the upper part of the inner wall of the valve body (19), and the other end of the height positioning mechanism penetrates through the fixing hole (22) of the guide rib (21) to be used for positioning the welding position of the guide rib (21) in the height direction.
9. The gate valve bead bonding tool according to claim 8, wherein: the height positioning mechanism (3) comprises a pull rod (16), an upper positioning rod (17) is arranged at one end of the pull rod (16), a lower positioning rod (18) is arranged at the other end of the pull rod, the upper positioning rod (17) and the lower positioning rod (18) are perpendicular to the pull rod (16), the upper positioning rod (17) is used for being connected with a valve body (19), and the lower positioning rod (18) is used for penetrating through a fixing hole (22) of a guide rib (21).
10. The gate valve bead bonding tool according to claim 9, wherein: the upper positioning rod (17) is used for being inserted into a quarter ring hole (20) of the valve body (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223103118.6U CN218904078U (en) | 2022-11-22 | 2022-11-22 | Gate valve guide rib welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223103118.6U CN218904078U (en) | 2022-11-22 | 2022-11-22 | Gate valve guide rib welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218904078U true CN218904078U (en) | 2023-04-25 |
Family
ID=86045947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223103118.6U Active CN218904078U (en) | 2022-11-22 | 2022-11-22 | Gate valve guide rib welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218904078U (en) |
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2022
- 2022-11-22 CN CN202223103118.6U patent/CN218904078U/en active Active
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