CN219967874U - Tool structure for on-line assembling and disassembling upper-mounted ball valve inner part - Google Patents

Tool structure for on-line assembling and disassembling upper-mounted ball valve inner part Download PDF

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Publication number
CN219967874U
CN219967874U CN202321213855.3U CN202321213855U CN219967874U CN 219967874 U CN219967874 U CN 219967874U CN 202321213855 U CN202321213855 U CN 202321213855U CN 219967874 U CN219967874 U CN 219967874U
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plate
push
pull
clamping
clamping plate
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CN202321213855.3U
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Inventor
陈锦标
张清双
曹铖淏
孙占江
池汇泉
梁常香
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Beijing Valve General Factory Co ltd
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Beijing Valve General Factory Co ltd
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Abstract

The utility model relates to a tooling structure for online assembling and disassembling an upper-mounted ball valve inner part, which comprises a supporting structure, a first supporting plate and a second supporting plate, wherein the supporting structure comprises a first supporting plate and a second supporting plate; the clamping structure comprises a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate are respectively detachably connected to the valve body; the push-pull structure comprises a push-pull screw sleeve and a push-pull screw rod, one end of the push-pull screw rod can be screwed into the push-pull screw sleeve, and the push-pull screw rod can rotate to change the length; the push-pull structure can be propped and propped between the first propping plate and the second propping plate to enable the first propping plate and the second propping plate to move to the set positions towards two sides, or the push-pull structure can be propped and propped between the first clamping plate and the second clamping plate to enable the first clamping plate and the second clamping plate to move to the set positions towards two sides. The ball valve solves the problem that the traditional ball valve can not disassemble internal parts on line, and pushes two valve seats away from the inner cavity of the valve body by means of the ball valve, thereby achieving the purpose of assembling and disassembling the ball on line.

Description

Tool structure for on-line assembling and disassembling upper-mounted ball valve inner part
Technical Field
The utility model relates to an upper-mounted ball valve for high-acidity natural gas and ultralow-temperature LNG, in particular to a tool structure for online assembling and disassembling upper-mounted ball valve internals.
Background
Natural gas, which is a high-efficiency, low-carbon and clean fossil energy, has been used as a primary energy source for replacing coal, petroleum and the like in a plurality of energy application fields, and is an important bridge for transition to a new energy system and a realistic choice for promoting energy transformation. The natural gas resource supply has long growth trend and can ensure the sustainable development of the natural gas industry. Wherein, by virtue of the advantages of easy transportation, multiple main bodies, strong flexibility, safety, high efficiency and the like.
The upper-mounted ball valve is used as a nickel-based alloy upper-mounted ball valve for high-sulfur-content natural gas or an ultralow-temperature upper-mounted ball valve for an LNG receiving station, and has an online maintenance function, particularly the LNG receiving station, and the upper-mounted ball valve is connected with a pipeline by adopting butt welding, so that the online maintainability of the upper-mounted ball valve is required, otherwise, the upper-mounted ball valve of the valve has no online maintenance function once the upper-mounted ball valve is out of question, and the upper-mounted ball valve of the valve can only be forced to be cut off the pipeline, thereby bringing a plurality of adverse conditions to production operation.
At present, a conventional ball valve is commonly used, wherein a process groove is arranged on a valve seat, and the valve seat is pulled away or pushed towards a ball body from two ends of a valve channel by means of a push-pull tool and the end face of a valve branch pipe so as to finish loading and unloading of the ball body. The disadvantage of this structure is: for the upper-mounted ball valve connected by butt welding, because the valve and the pipeline are welded, a special tool for pushing and pulling the valve seats cannot be installed from the channels at the two ends of the valve, namely, a method for separating the valve seats at the two sides from the ball body is unavailable, so that the two valve seats are retracted for a certain distance, and the space for hanging the ball body out of the valve body is met.
Therefore, the inventor provides a tooling structure for assembling and disassembling an upper-mounted ball valve inner part on line by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.
Disclosure of Invention
The utility model aims to provide a tool structure for on-line assembling and disassembling an upper-mounted ball valve inner part, which solves the problem that the traditional upper-mounted ball valve cannot disassemble the inner part on line, pushes two valve seats away from the inner cavity of a valve body by means of the tool structure, and further achieves the purpose of on-line assembling and disassembling a ball body.
The utility model aims to realize the tool structure for assembling and disassembling the upper-mounted ball valve inner part on line, which comprises,
the opening structure comprises a first opening plate and a second opening plate which can be detachably arranged in clamping grooves of valve seats at two sides in the valve body;
the clamping structure comprises a first clamping plate and a second clamping plate which can be clamped into annular grooves of the valve seats at two sides so as to fix the valve seats at the set positions, and the first clamping plate and the second clamping plate are respectively detachably connected to the valve body;
the push-pull structure comprises a push-pull screw sleeve and a push-pull screw rod, wherein one end of the push-pull screw rod can be screwed into the push-pull screw sleeve, and the push-pull screw rod can be rotated to change the length; the push-pull structure can be propped and propped between the first propping plate and the second propping plate to enable the first propping plate and the second propping plate to move to the set positions towards two sides, or can be propped and propped between the first clamping plate and the second clamping plate to enable the first clamping plate and the second clamping plate to move to the set positions towards two sides.
In a preferred embodiment of the present utility model, the push-pull screw includes a screw base, on which a screw is screwed, and on which a first connection portion for propping against and connecting the expanding structure or the clamping structure is provided; the push-pull threaded sleeve is provided with an internal threaded hole, the screw rod can be rotationally connected in the internal threaded hole, and the push-pull threaded sleeve is provided with a second connecting part for propping and connecting the expanding structure or the clamping structure.
In a preferred embodiment of the present utility model, the thread of the internal thread hole is a short-tooth transmission trapezoidal thread.
In a preferred embodiment of the present utility model, the first spreader plate and the second spreader plate are circularly disposed, and a third connection portion for propping and connecting the push-pull structure is disposed on the first spreader plate; and a fourth connecting part for propping and connecting the push-pull structure is arranged on the second opening plate.
In a preferred embodiment of the present utility model, the first fastening plate is provided in a folded plate structure, and includes a first connecting plate and a first fastening plate, the first connecting plate can be attached to a side wall of the valve body, a first long connecting hole is provided on the first connecting plate, and the first connecting plate is adjustably connected to the side wall of the valve body through the first long connecting hole, a first fastening screw and a first nut; the first clamping plate can be clamped in the annular groove of the valve seat, and a fifth connecting part for propping and connecting the push-pull structure is arranged on the first clamping plate.
In a preferred embodiment of the present utility model, the second fastening plate is provided in a folded plate structure, and includes a second connection plate and a second fastening plate, where the second connection plate can be attached to a side wall of the valve body, a second long connection hole is provided on the second connection plate, and the second connection plate is adjustably connected to the side wall of the valve body through the second long connection hole, a second fastening screw and a second nut; the second clamping plate can be clamped in the annular groove of the other valve seat, and a sixth connecting part for propping against and connecting with the push-pull structure is arranged on the second clamping plate.
In a preferred embodiment of the present utility model, the first connection portion is a cylindrical boss protruding from the screw base, and the second connection portion is a square tenon protruding from the push-pull screw sleeve.
In a preferred embodiment of the present utility model, the third connecting portion is a square notch, and the fourth connecting portion is a circular notch; or, the third connecting part is a circular notch, and the fourth connecting part is a square notch.
In a preferred embodiment of the present utility model, the fifth connection portion is a square notch, and the sixth connection portion is a circular notch; alternatively, the fifth connecting portion is a circular notch, and the sixth connecting portion is a square notch.
In a preferred embodiment of the present utility model, the first locking plate includes a flat plate portion for abutting against and connecting the push-pull structure and a locking portion for locking in the annular groove of the valve seat, and the locking portion is in a semicircular arrangement;
the second clamping plate comprises a flat plate part and a clamping part, wherein the flat plate part is used for propping against and connecting the push-pull structure, the clamping part is used for being clamped in the annular groove of the valve seat, and the clamping part is arranged in a semicircular shape.
By the above, the tool structure for on-line assembling and disassembling the upper-mounted ball valve inner part has the following beneficial effects:
the supporting structure can push the valve seats at two sides in the valve body to move back to a set position under the pushing action of the push-pull structure, so that the distance between the valve seats meets the distance for installing the ball, and the clamping structure can keep the distance between the valve seats at two sides in the valve body at the distance for installing or detaching the ball under the pushing action of the push-pull structure, thereby facilitating the assembly and the disassembly of the valve body; the utility model has simple structure, convenient operation and stable pushing operation of the push-pull structure, so that the sealing element of the valve seat is uniformly stressed, and the sealing performance of the valve seat is ensured; the ball valve solves the problem that the traditional ball valve can not disassemble internal parts on line, and pushes two valve seats away from the inner cavity of the valve body by means of the ball valve, thereby achieving the purpose of assembling and disassembling the ball on line.
Drawings
The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:
fig. 1: is a schematic diagram of the expanding structure and the push-pull structure of the utility model.
Fig. 2: is a schematic diagram of the clamping structure and the push-pull structure of the utility model.
Fig. 3: is a schematic illustration of a first spreader plate of the present utility model.
Fig. 4: is a schematic diagram of a second spreader plate of the present utility model.
Fig. 5: is a front view of the first clamping plate of the present utility model.
Fig. 6: is a top view of the first clamping plate of the present utility model.
Fig. 7: is a front view of the second clamping plate of the present utility model.
Fig. 8: is a top view of the second clamping plate of the present utility model.
Fig. 9: is a schematic diagram of the push-pull screw sleeve.
Fig. 10: is a schematic diagram of the push-pull screw of the utility model.
Fig. 11a: is a schematic diagram of the step a when the utility model is used for assembling the ball valve inner part.
Fig. 11b: is a schematic diagram of step b when the utility model is used for assembling ball valve internals.
Fig. 11c: is a schematic diagram of step c when the utility model is used for assembling ball valve internals.
Fig. 11d: is a schematic diagram of step d when the utility model is used for assembling ball valve internals.
Fig. 11e: is a schematic diagram of step e when the utility model is used for assembling ball valve internals.
Fig. 12a: is a schematic diagram of the step a when the ball valve inner part is disassembled.
Fig. 12b: the utility model is a schematic diagram of screwing the push-pull screw into the push-pull screw sleeve in the step b when the utility model is used for disassembling the ball valve internal parts.
Fig. 12c: the utility model is a schematic diagram of a push-pull structure propping and clamping structure in the step b when the ball valve inner part is disassembled.
Fig. 12d: is a schematic diagram of the step c when the ball valve inner part is disassembled.
Fig. 12e: is a schematic diagram of the step d when the ball valve inner part is disassembled.
Fig. 12f: is a schematic diagram of the step e when the ball valve inner part is disassembled.
In the figure:
1. a spreader structure; 11. a first spreader plate; 12. a second spreader plate; 13. square notch; 14. a circular slot;
2. a clamping structure; 21. a first clamping plate; 211. a first connection plate; 212. a first locking plate; 213. a first long connection hole; 214. a first tightening screw; 215. a first nut; 22. a second clamping plate; 221. a second connecting plate; 222. a second locking plate; 223. a second long connecting hole; 224. a second tightening screw; 225. a second nut;
3. a push-pull structure; 31. pushing and pulling the screw sleeve; 311. square tenons; 32. push-pull screw; 321. a screw base; 322. a screw; 323. a cylindrical boss;
9. a valve body; 91. a valve seat; 911. a clamping groove; 912. a ring groove; 92. and (3) a sphere.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
The specific embodiments of the utility model described herein are for purposes of illustration only and are not to be construed as limiting the utility model in any way. Given the teachings of the present utility model, one of ordinary skill in the related art will contemplate any possible modification based on the present utility model, and such should be considered to be within the scope of the present utility model. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two elements, may be directly connected, or may be indirectly connected through an intermediary, and the specific meaning of the terms may be understood by those of ordinary skill in the art in view of the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 10, the present utility model provides a tooling structure for on-line assembling and disassembling of an inner member of a top-loading ball valve, comprising,
the opening structure 1 comprises a first opening plate 11 and a second opening plate 12 which are detachably arranged in clamping grooves 911 (arranged at the end part of an inner hole of a valve seat 91) of a valve seat 91 (the prior art) at two sides in a valve body 9 (the prior art);
the clamping structure 2 comprises a first clamping plate 21 and a second clamping plate 22 which can be clamped into annular grooves 912 (arranged on the outer wall of the valve seat 91) of the two side valve seats 91 so as to fix the two side valve seats 91 at a set position, and the first clamping plate 21 and the second clamping plate 22 are respectively detachably connected to the valve body 9;
the push-pull structure 3 comprises a push-pull screw sleeve 31 and a push-pull screw rod 32, one end of the push-pull screw rod 32 can be screwed into the push-pull screw sleeve 31, and the push-pull screw rod 32 can rotate to change the length; the push-pull structure can be propped and propped between the first propped plate 11 and the second propped plate 12 to enable the first propped plate 11 and the second propped plate 12 to move to the set positions to the two sides, or the push-pull structure can be propped and propped between the first clamping plate 21 and the second clamping plate 22 to enable the first clamping plate and the second clamping plate 22 to move to the set positions to the two sides.
The supporting structure can push the valve seats at two sides in the valve body to move back to a set position under the pushing action of the push-pull structure, so that the distance between the valve seats meets the distance of the installation ball 92 (the prior art), and the clamping structure can keep the distance between the valve seats 91 at two sides in the valve body at the distance of the installation or disassembly ball under the pushing action of the push-pull structure, thereby facilitating the assembly and the disassembly of the valve body; the utility model has simple structure, convenient operation and stable pushing operation of the push-pull structure, so that the sealing element of the valve seat is uniformly stressed, and the sealing performance of the valve seat is ensured; the ball valve solves the problem that the traditional ball valve can not disassemble internal parts on line, and pushes two valve seats away from the inner cavity of the valve body by means of the ball valve, thereby achieving the purpose of assembling and disassembling the ball on line.
Further, as shown in fig. 2, 9 and 10, the push-pull screw 32 includes a screw base 321, a screw 322 is screwed on the screw base 321, and a first connection part for propping and connecting the expanding structure or the clamping structure is arranged on the screw base 321; the push-pull threaded sleeve 31 is provided with an internal threaded hole, the screw rod can be rotationally connected in the internal threaded hole, and the push-pull threaded sleeve 31 is provided with a second connecting part for propping and connecting the expanding structure or the clamping structure.
Further, the threads of the internal thread holes are trapezoidal threads with short tooth transmission, so that the screw is labor-saving in rotation and reliable in installation.
Further, as shown in fig. 3 and 4, the first spreader plate 11 and the second spreader plate 12 are circularly arranged, and a third connecting portion for propping and connecting the push-pull structure is arranged on the first spreader plate 11; the second spreader plate 12 is provided with a fourth connecting part for propping and connecting the push-pull structure.
Further, as shown in fig. 5 and 6, the first fastening plate 21 is provided in a folded plate structure, and includes a first connecting plate 211 and a first fastening plate 212, the first connecting plate 211 can be attached to the side wall of the valve body, a first long connecting hole 213 is provided on the first connecting plate 211, and the first connecting plate 211 is adjustably connected to the side wall of the valve body through the first long connecting hole 213, the first fastening screw 214 and the first nut 215; the first locking plate 212 can be locked in an annular groove of a valve seat, and a fifth connecting part for propping against and connecting with the push-pull structure is arranged on the first locking plate 212. The first long connecting hole 213 is provided along the axial direction of the valve seat, so that the first clamping plate 21 can be fixedly connected to the side wall of the valve body after the position of the first clamping plate is adjusted along the axial direction of the valve seat.
As shown in fig. 7 and 8, the second fastening plate 22 is provided in a folded plate structure, and includes a second connection plate 221 and a second fastening plate 222, where the second connection plate 221 can be attached to the side wall of the valve body, a second long connection hole 223 is provided on the second connection plate 221, and the second connection plate 221 is adjustably connected to the side wall of the valve body through the second long connection hole 223, a second fastening screw 224 and a second nut 225; the second locking plate 222 can be locked in the ring groove of the other valve seat, and a sixth connecting part for propping and connecting the push-pull structure is arranged on the second locking plate 222.
Further, as shown in fig. 9 and 10, the first connection portion is a cylindrical boss 323 protruding from the screw base 321, and the second connection portion is a square tenon 311 protruding from the push-pull screw sleeve 31.
Further, as shown in fig. 3 and 4, the third connecting portion is a square notch 13, and the fourth connecting portion is a circular notch 14; alternatively, the third connecting portion is a circular notch 14 and the fourth connecting portion is a square notch 13.
When the first spreader plate 11 and the second spreader plate 12 are fitted into the grooves 911 of the valve seat 91 (prior art) on both sides in the valve body 9 (prior art), the centers of the square notch and the circular notch are located on the center axis of the valve seat 91 (when the valve seat is coaxial with the pipe, the centers of the square notch and the circular notch are located on the axis of the pipe).
When the push-pull structure is propped and propped between the first propping plate 11 and the second propping plate 12, the square tenons 311 are matched and propped with the square notch 13, the cylindrical bosses 323 are matched and propped with the circular notch 14, and the operation is stable in the process of pushing the valve seat by using the push-pull structure and the propping structure, the sealing piece of the valve seat is uniformly stressed, and the sealing performance of the valve seat is ensured; the ball valve cannot deviate in the operation process, and damage to the inner part of the ball valve due to uneven stress is also prevented.
Further, as shown in fig. 5 and 7, the fifth connecting portion is a square notch 13, and the sixth connecting portion is a circular notch 14; alternatively, the fifth connecting portion is a circular notch 14 and the sixth connecting portion is a square notch 13.
When the push-pull structure is propped and arranged between the first clamping plate 21 and the second clamping plate 22, the square tenons 311 are matched with and propped against the square notch 13, and the cylindrical bosses 323 are matched with and propped against the circular notch 14.
Further, the first locking plate 212 includes a flat plate portion for abutting against the push-pull structure and a locking portion for locking in the annular groove of the valve seat, and the locking portion is disposed in a semicircular shape.
The second locking plate 222 includes a flat plate portion for abutting against the push-pull structure and a locking portion for locking in the annular groove of the valve seat, and the locking portion is arranged in a semicircular shape.
When the ball valve inner part assembly method is used for ball valve inner part assembly:
step a, as shown in fig. 11a, two valve seats 91 and springs (prior art) are respectively assembled into valve seat holes (prior art) at two ends of the valve body, and the push-pull structure is propped and supported between the first supporting plate 11 and the second supporting plate 12;
step B, as shown in fig. 11B, the first opening plate 11 and the second opening plate 12 are respectively arranged in the clamping grooves of the valve seats at the two sides, the push-pull screw rod 32 is screwed into the push-pull screw sleeve 31, the square tenon of the push-pull screw sleeve 31 is matched with and abutted against the square notch 13 of the first opening plate 11, the cylindrical boss 323 of the screw base 321 is matched with and abutted against the circular notch 14 of the second opening plate 12, then the screw rod 322 is started to be unscrewed by a spanner, when the distance A between the two valve seats 91 is 5-6 mm longer than the structural length B of the sphere, the first clamping plate 21 and the second clamping plate 22 are respectively clamped into the annular grooves of the valve seats at the two sides, the first clamping plate 21 is in locking connection with the side wall of the valve body by the first fastening screw rod 214 and the first nut 215, and the second clamping plate 22 is in locking connection with the side wall of the valve body by the second fastening screw rod 224 and the second nut 225;
step c, as shown in fig. 11c, screwing the screw 322 until the push-pull screw 32 and the second spreader plate 12 are completely separated, and the push-pull screw sleeve 31 and the first spreader plate 11 are completely separated, and taking out the push-pull structure and the spreader structure;
step d, as shown in FIG. 11d, loading the ball into the valve body;
step e, as shown in fig. 11e, the first fastening screw 214, the first nut 215, the second fastening screw 224 and the second nut 225 are loosened, the first clamping plate 21 and the second clamping plate 22 are removed, and at this time, the two valve seats are pushed to the ball body under the action of the spring force and are abutted against the ball body, so that the assembly of the ball body is completed. See fig. 3.
When the ball valve inner part is disassembled by using the utility model, the ball valve inner part is disassembled by using the utility model:
step a, as shown in fig. 12a, the first clamping plate 21 and the second clamping plate 22 are respectively clamped into the annular grooves of the valve seats at the two sides, the first fastening screw 214 passes through the first long connecting hole 213, the second fastening screw 224 passes through the second long connecting hole 223, and the first nut 215 and the second nut 225 are not screwed so as to avoid the first clamping plate 21 and the second clamping plate 22 from being locked;
step b, as shown in fig. 12b, screwing the push-pull screw rod 32 into the push-pull screw sleeve 31; as shown in fig. 12c, the square tenon of the push-pull screw sleeve 31 is matched with and abutted against the square notch 13 of the first clamping plate 21, the cylindrical boss 323 of the screw rod base 321 is matched with and abutted against the circular notch 14 of the second clamping plate 22, then the screw rod 322 starts to be screwed out by a spanner, and when the distance A between two valve seats is 5-6 mm greater than the structural length B of the sphere, the first clamping plate 21 and the second clamping plate 22 are respectively locked by the first nut 215 and the second nut 225;
step c, as shown in fig. 12d, screwing the screw 322 until the push-pull screw 32 and the first clamping plate 21 are completely separated, and the push-pull screw sleeve 31 and the second clamping plate 22 are completely separated, and taking out the push-pull structure;
step d, as shown in fig. 12e, hanging up the sphere;
step e, as shown in fig. 12f, the first nut 215 and the second nut 225 are loosened by means of a wrench, the first clamping plate 21 and the second clamping plate 22 are removed, and the inner parts such as the valve seat and the spring are taken out, so that the inner parts of the ball valve are detached.
By the above, the tool structure for on-line assembling and disassembling the upper-mounted ball valve inner part has the following beneficial effects:
the supporting structure can push the valve seats at two sides in the valve body to move back to a set position under the pushing action of the push-pull structure, so that the distance between the valve seats meets the distance for installing the ball, and the clamping structure can keep the distance between the valve seats at two sides in the valve body at the distance for installing or detaching the ball under the pushing action of the push-pull structure, thereby facilitating the assembly and the disassembly of the valve body; the utility model has simple structure, convenient operation and stable pushing operation of the push-pull structure, so that the sealing element of the valve seat is uniformly stressed, and the sealing performance of the valve seat is ensured; the ball valve solves the problem that the traditional ball valve can not disassemble internal parts on line, and pushes two valve seats away from the inner cavity of the valve body by means of the ball valve, thereby achieving the purpose of assembling and disassembling the ball on line.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.

Claims (10)

1. A tool structure for on-line assembling and disassembling an upper-mounted ball valve inner part is characterized by comprising,
the opening structure comprises a first opening plate and a second opening plate which can be detachably arranged in clamping grooves of valve seats at two sides in the valve body;
the clamping structure comprises a first clamping plate and a second clamping plate which can be clamped into annular grooves of the valve seats at two sides so as to fix the valve seats at the set positions, and the first clamping plate and the second clamping plate are respectively detachably connected to the valve body;
the push-pull structure comprises a push-pull screw sleeve and a push-pull screw rod, wherein one end of the push-pull screw rod can be screwed into the push-pull screw sleeve, and the push-pull screw rod can be rotated to change the length; the push-pull structure can be propped and propped between the first propping plate and the second propping plate to enable the first propping plate and the second propping plate to move to the set positions towards two sides, or can be propped and propped between the first clamping plate and the second clamping plate to enable the first clamping plate and the second clamping plate to move to the set positions towards two sides.
2. The tooling structure for on-line assembling and disassembling of the upper-mounted ball valve internals according to claim 1, wherein the push-pull screw comprises a screw base, the screw base is spirally connected with a screw, and a first connecting part for propping and connecting the expanding structure or the clamping structure is arranged on the screw base; the push-pull threaded sleeve is provided with an internal threaded hole, the screw rod can be rotationally connected in the internal threaded hole, and the push-pull threaded sleeve is provided with a second connecting part for propping and connecting the expanding structure or the clamping structure.
3. The tooling structure for on-line assembly and disassembly of an upper ball valve trim of claim 2, wherein the threads of the internally threaded bore are short-tooth drive trapezoidal threads.
4. The tooling structure for online assembling and disassembling of the upper-mounted ball valve internals according to claim 2, wherein the first expanding plate and the second expanding plate are circularly arranged, and a third connecting part for propping and connecting the push-pull structure is arranged on the first expanding plate; and a fourth connecting part for propping and connecting the push-pull structure is arranged on the second opening plate.
5. The tooling structure for on-line assembling and disassembling an upper ball valve trim according to claim 4, wherein the first clamping plate is provided in a folded plate structure and comprises a first connecting plate and a first clamping plate, the first connecting plate can be attached to the side wall of the valve body, a first long connecting hole is formed in the first connecting plate, and the first connecting plate is adjustably connected to the side wall of the valve body through the first long connecting hole, a first fastening screw and a first nut; the first clamping plate can be clamped in the annular groove of the valve seat, and a fifth connecting part for propping and connecting the push-pull structure is arranged on the first clamping plate.
6. The tooling structure for on-line assembling and disassembling an upper ball valve inner part according to claim 5, wherein the second clamping plate is in a folded plate structure and comprises a second connecting plate and a second clamping plate, the second connecting plate can be attached to the side wall of the valve body, a second long connecting hole is formed in the second connecting plate, and the second connecting plate is adjustably connected to the side wall of the valve body through the second long connecting hole, a second fastening screw and a second nut; the second clamping plate can be clamped in the annular groove of the other valve seat, and a sixth connecting part for propping against and connecting with the push-pull structure is arranged on the second clamping plate.
7. The tooling structure for on-line assembling and disassembling an inner piece of a top-mounted ball valve according to claim 6, wherein the first connecting part is a cylindrical boss protruding from the screw base, and the second connecting part is a square tenon protruding from the push-pull screw sleeve.
8. The tooling structure for in-line assembly and disassembly of an upper ball valve trim of claim 7, wherein the third connecting portion is a square notch and the fourth connecting portion is a circular notch; or, the third connecting part is a circular notch, and the fourth connecting part is a square notch.
9. The tooling structure for in-line assembly and disassembly of an upper ball valve trim of claim 7, wherein the fifth connecting portion is a square notch and the sixth connecting portion is a circular notch; alternatively, the fifth connecting portion is a circular notch, and the sixth connecting portion is a square notch.
10. The tooling structure for on-line assembling and disassembling an upper-mounted ball valve inner part according to claim 6, wherein the first clamping plate comprises a flat plate part for propping against and connecting the push-pull structure and a clamping part for clamping in a ring groove of a valve seat, and the clamping part is arranged in a semicircular shape;
the second clamping plate comprises a flat plate part and a clamping part, wherein the flat plate part is used for propping against and connecting the push-pull structure, the clamping part is used for being clamped in the annular groove of the valve seat, and the clamping part is arranged in a semicircular shape.
CN202321213855.3U 2023-05-18 2023-05-18 Tool structure for on-line assembling and disassembling upper-mounted ball valve inner part Active CN219967874U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117072706A (en) * 2023-10-19 2023-11-17 哈电集团哈尔滨电站阀门有限公司 Top-mounted ball valve assembly device and assembly method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117072706A (en) * 2023-10-19 2023-11-17 哈电集团哈尔滨电站阀门有限公司 Top-mounted ball valve assembly device and assembly method
CN117072706B (en) * 2023-10-19 2024-02-23 哈电集团哈尔滨电站阀门有限公司 Top-mounted ball valve assembly device and assembly method

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