CN112140050A - Valve seat dismounting tool - Google Patents
Valve seat dismounting tool Download PDFInfo
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- CN112140050A CN112140050A CN201910562919.2A CN201910562919A CN112140050A CN 112140050 A CN112140050 A CN 112140050A CN 201910562919 A CN201910562919 A CN 201910562919A CN 112140050 A CN112140050 A CN 112140050A
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- hook
- valve seat
- screw rod
- clamping disc
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- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of disassembling tools, and provides a valve seat disassembling tool which comprises a screw rod, a first hook and a second hook, wherein the first hook and the second hook are in threaded connection with the screw rod, the first hook and the second hook are used for moving away from each other along the axial direction of the screw rod so as to be clamped on the inner circumferential surface of a valve seat to be disassembled and assembled, the first hook and the second hook are arranged at intervals and extend towards the same direction, the extending directions of the first hook and the second hook are both vertical to the length direction of the screw rod, a first clamping disc is arranged at the end part, far away from the screw rod, of the first hook, the surface of the first clamping disc is vertical to the extending direction of the first hook, a second clamping disc is arranged at the end part, far away from the screw rod, of the second hook, and the surface of the second clamping disc is vertical to the extending direction of; the valve seat dismounting tool provided by the invention is simple in structure and operation, and is beneficial to a maintainer to dismount and mount the valve seat.
Description
Technical Field
The invention relates to the technical field of disassembling tools, in particular to a valve seat disassembling tool.
Background
When the nuclear power station ball valve is maintained, the valve seat needs to be disassembled. The valve seat is located in the valve cavity, see fig. 1 (valve seat position schematic).
General valve seat removal methods: an operator stretches a hand into the valve cavity and directly buckles the valve seat; or a screwdriver is inserted between the valve seat and the valve body, and the valve seat is pried by the screwdriver.
In the usual dismantling method, there are a number of disadvantages and difficulties: (1) the valve seat and the valve body are in interference fit, certain friction force exists, and the valve seat can be detached only with certain force; certain corrosion or impurities exist between the valve seat and the valve body, so that the dismantling resistance is increased; by using a common dismounting method, stress points cannot be symmetrical on the circumference of the valve seat, and the applied force is not parallel to the axis of the valve seat, so that the dismounting difficulty is increased, and the valve seat cannot be smoothly dismounted; (2) when the screwdriver is used for disassembling the valve seat, the screwdriver is difficult to place due to the fact that the space in the valve cavity of the ball valve is not ideal; the contact area of the screwdriver, the valve body and the valve seat is small, and the valve seat and the valve body are easy to damage; (3) in the nuclear power station, radioactive substances exist in a plurality of ball valve cavities, the hands of the operating personnel are exposed after the latex gloves are scratched, and the operating personnel are stained by the radioactive substance surface.
Disclosure of Invention
The invention aims to provide a valve seat dismounting tool to solve the technical problem that in the prior art, the valve seat dismounting difficulty is high.
In order to achieve the above purpose, the technical solution adopted by the present invention is a valve seat dismounting tool, including a screw, and a first hook and a second hook which are connected to the screw in a threaded manner, the first hook and the second hook are used for moving away from each other in an axial direction of the screw to be clamped on an inner circumferential surface of a valve seat to be dismounted, the first hook and the second hook are arranged at an interval and extend towards the same direction, the extending directions of the first hook and the second hook are both perpendicular to the length direction of the screw, the end of the first hook far away from the screw is provided with a first clamping disc, the surface of the first clamping disc is perpendicular to the extending direction of the first hook, the end of the second hook far away from the screw is provided with a second clamping disc, the surface of the second clamping disc is perpendicular to the extending direction of the second hook, and the first clamping disc extends towards the direction far away from the second clamping disc, the second clamping disc extends towards the direction far away from the first clamping disc.
Further, the first hook and the end part connected with the screw rod are provided with a supply for the screw rod to pass through a first through hole, the hole wall of the first through hole is provided with a first thread matched with the screw rod, the end part connected with the screw rod is provided with a supply for the screw rod to pass through a second through hole, the hole wall of the second through hole is provided with a second thread matched with the screw rod, and the thread directions of the first thread and the second thread are opposite.
Furthermore, the first clamping disc and the second clamping disc are semicircular in shape, and the radius of the first clamping disc and the radius of the second clamping disc are matched with the radius of the valve seat to be disassembled and assembled.
Further, the first clamping disk is provided with a first chamfer part along the circumferential direction of the first clamping disk, and the second clamping disk is provided with a second chamfer part along the circumferential direction of the second clamping disk.
Further, one end of the screw is an insertion end for inserting into the ball valve provided with the valve seat, and the other end thereof is a rotation end for rotating by a maintenance person, and the rotation end is provided with a rotation handle.
Further, the length of the screw is greater than the depth of the ball valve provided with the valve seat.
Furthermore, a connecting pipe is movably sleeved on the screw rod between the first hook and the second hook, a supporting rod is arranged on the connecting pipe, and the length direction of the supporting rod is perpendicular to the length direction of the screw rod.
Furthermore, the supporting rod is fixedly sleeved with a pull rod, and the length direction of the pull rod is perpendicular to the length direction of the supporting rod.
Furthermore, bracing piece threaded connection has the pull rod, the length direction of pull rod is perpendicular the length direction of bracing piece, the tip that the connecting pipe was kept away from to the bracing piece is provided with and is used for pulling the connecting pipe is towards the taut nut of pull rod removal.
Further, a support ring is arranged on the connecting pipe and used for supporting the screw rod.
The valve seat dismounting tool provided by the invention has the beneficial effects that:
firstly, the first hook and the second hook which can move away from each other are respectively abutted against the inner circumferential surface of the valve seat, expansion force is applied to clamp the valve seat, the valve seat can be separated from the ball valve by applying pulling force on the screw rod along the axial direction of the valve seat, the structure is simple, the operation is simple, and a maintainer can assemble and disassemble the valve seat;
secondly, the first hook and the second hook are arranged at intervals, the extending directions of the first hook and the second hook are perpendicular to the length direction of the screw rod, the first hook and the second hook are inserted into the valve seat along the axial direction of the valve seat, when the valve seat is clamped by the first hook and the second hook, the length direction of the screw rod is perpendicular to the axial direction of the valve seat, and the design is convenient for a maintainer to apply a pulling force on the screw rod, which is parallel to the axial direction of the valve seat, and is beneficial for the maintainer to pull out the;
thirdly, the first hook and the second hook can be symmetrically clamped on the inner circumferential surface of the valve seat, namely two force application points of the valve seat disassembling tool are symmetrically applied on the inner circumferential surface of the valve seat, so that the whole valve seat is uniformly stressed when the valve seat is disassembled, and the valve seat is prevented from being damaged due to uneven stress;
finally, the thread directions of the first threads arranged on the first hook and the second threads arranged on the second hook are opposite, the first hook and the second hook can move close to or away from each other by rotating the screw rod, and the valve seat assembling and disassembling device is simple in operation and beneficial to a maintainer.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a valve seat removal tool provided in accordance with an embodiment of the present invention;
FIG. 2 is a left side view of a valve seat removal tool provided in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a ball valve provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a valve seat assembly and disassembly tool provided by an embodiment of the present invention for assembling and disassembling a valve seat;
FIG. 5 is a schematic view of a valve seat assembly and disassembly tool provided in an embodiment of the present invention;
FIG. 6 is a schematic view of a valve seat assembly and disassembly tool provided in an embodiment of the present invention;
FIG. 7 is a schematic view of a valve seat assembly and disassembly tool provided in an embodiment of the present invention;
fig. 8 is a folded front view of a valve seat removal tool according to an embodiment of the present invention.
The figures are numbered:
| valve seat dismounting tool | 1 | Opening of the |
22 | |
17 |
| |
2 | |
121 | |
18 |
| |
3 | |
131 | Fixed |
181 |
| Valve |
21 | |
122 | Prying |
182 |
| |
11 | Second chamfered |
132 | Tensioning |
19 |
| |
12 | |
111 | |
20 |
| |
13 | Rotating |
112 | ||
| First through |
14 | |
113 | ||
| Second through |
15 | Connecting |
16 |
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention 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 merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the invention, and do not indicate that the device or component must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The following describes a specific implementation of the present invention in more detail with reference to specific embodiments:
as shown in fig. 1 to 3, in the valve seat assembling and disassembling tool 1 according to the embodiment of the present invention, the valve seat 3 fixed inside the ball valve 2 is assembled and disassembled, and the valve seat 3 is annular, so that the valve seat 3 is located inside the valve cavity 21 of the ball valve 2, which makes it difficult for a maintainer to assemble and disassemble the valve seat.
This disk seat assembly and disassembly tools 1 includes screw rod 11, and threaded connection is in first couple 12 and second couple 13 on screw rod 11, first couple 12 and second couple 13 are used for making the axial of screw rod 11 and deviate from each other and move in order to block on the inner peripheral surface of the disk seat 3 of treating the dismouting, first couple 12 and second couple 13 interval set up and extend towards the same direction, the equal length direction of perpendicular screw rod 11 of extending direction of first couple 12 and second couple 13, the tip that screw rod 11 was kept away from to first couple 12 is provided with first block dish 121, the extending direction of the perpendicular first couple 12 in surface of first block dish 121, the tip that screw rod 11 was kept away from to second couple 13 is provided with second block dish 131, the extending direction of the perpendicular second couple 13 in surface of second block dish 131, first block dish 121 extends towards the direction of keeping away from second block dish 131, second block dish 131 extends towards the direction of keeping away from first block dish 121.
The valve seat attaching and detaching tool 1 of the present embodiment operates as follows:
as shown in fig. 4 to 7, by rotating the screw 11, the first hook 12 and the second hook 13 are made to approach each other, and the first engaging disc 121 and the second engaging disc 131 are driven to approach each other until the distance between the ends of the first engaging disc 121 and the second engaging disc 131 is smaller than the inner diameter of the valve seat 3 to be disassembled, and the valve seat disassembling tool 1 is inserted from the opening 22 of the ball valve 2, and the first and second hooks 12 and 13 are inserted into the space between the valve seat 3 and the ball valve 2, and then the screw 11 is rotated, the first hook 12 and the second hook 13 are separated from each other until the first hook 12 and the second hook 13 respectively abut against the inner circumferential surface of the valve seat 3, the screw 11 is continuously rotated to enable the first hook 12 and the second hook 13 to apply expansion force to the valve seat 3, and then the valve seat 3 is clamped on the valve seat 3, and at the moment, a maintainer can apply pulling force on the screw rod 11 along the axial direction of the valve seat 3 to separate the valve seat 3 from the ball valve 2.
The valve seat assembling and disassembling tool 1 provided by the embodiment has the beneficial effects that:
firstly, the first hook 12 and the second hook 13 which can move away from each other are respectively abutted against the inner circumferential surface of the valve seat 3, expansion force is applied to clamp the valve seat 3, the valve seat 3 can be separated from the ball valve 2 by applying pulling force on the screw rod 11 along the axial direction of the valve seat 3, the structure is simple, the operation is simple, and a maintainer can assemble and disassemble the valve seat 3;
secondly, the first hook 12 and the second hook 13 are arranged at intervals, the extending directions of the first hook 12 and the second hook 13 are perpendicular to the length direction of the screw rod 11, the first hook 12 and the second hook 13 are inserted into the valve seat 3 along the axial direction of the valve seat 3, when the valve seat 3 is clamped by the first hook 12 and the second hook 13, the length direction of the screw rod 11 is perpendicular to the axial direction of the valve seat 3, and the design is convenient for a maintainer to apply a pulling force on the screw rod 11, which is parallel to the axial direction of the valve seat 3, and the maintainer can pull out the valve seat 3;
thirdly, the first hook 12 and the second hook 13 can be symmetrically clamped on the inner circumferential surface of the valve seat 3, namely, two force application points of the valve seat assembling and disassembling tool 1 are symmetrically applied to the inner circumferential surface of the valve seat 3, so that when the valve seat 3 is disassembled, the whole valve seat 3 is uniformly stressed, and the valve seat 3 is prevented from being damaged due to nonuniform stress;
finally, the first clamping disk 121 is arranged to be perpendicular to the first hook 12, that is, when the first hook 12 extends into the valve seat 3 along the axial direction of the valve seat 3, the first clamping disk 121 passes through the valve seat 3 and can be abutted against the side surface of the valve seat 3 away from the screw 11, and similarly, the second clamping disk 131 is also abutted against the side surface of the valve seat 3 away from the screw 11, that is, the first clamping disk 121 and the second clamping disk 131 can be inserted into the gap between the valve seat 3 and the ball valve 2, so that a maintainer can pull the valve seat 3 conveniently.
Further, as a specific implementation manner of the valve seat assembling and disassembling tool 1 according to the embodiment of the present invention, a first through hole 14 through which the screw 11 passes is formed at an end portion of the first hook 12 connected to the screw 11, a first thread engaged with the screw 11 is formed on a hole wall of the first through hole 14, a second through hole 15 through which the screw 11 passes is formed at an end portion of the second hook 13 connected to the screw 11, a second thread engaged with the screw 11 is formed on a hole wall of the second through hole 15, and thread directions of the first thread and the second thread are opposite. Correspondingly, external threads matched with the first threads and the second threads respectively are arranged on the outer surface of the screw rod 11.
Through the opposite screw thread direction that will set up the first screw thread on first couple 12 and set up the second screw thread on second couple 13, can make first couple 12 and second couple 13 do the removal that is close to each other or deviates from each other through rotating screw rod 11, its easy operation does benefit to the maintainer and carries out dismouting disk seat 3.
Further, as a specific embodiment of the valve seat assembling and disassembling tool 1 according to the embodiment of the present invention, the first engaging disc 121 and the second engaging disc 131 are semicircular, and through this design, when the first engaging disc 121 and the second engaging disc 131 are abutted against the valve seat 3, when a maintenance person pulls the valve seat 3, a pulling force can be uniformly applied to the valve seat 3, so as to avoid damaging the valve seat 3, and at the same time, the uniform application of force also avoids unsmooth pulling, so that the valve seat 3 is inclined and is locked in the ball valve 2.
Further, as a specific embodiment of the valve seat attaching and detaching tool 1 according to the embodiment of the present invention, the first engaging disk 121 is provided with the first chamfered portion 122 along its own circumferential direction, the second engaging disk 131 is provided with the second chamfered portion 132 along its own circumferential direction, and by providing the first chamfered portion 122 and the second chamfered portion 132, when the first engaging disk 121 and the second engaging disk 131 enter the gap between the valve seat 3 and the ball valve 2, a guiding function is provided, and at the same time, the edge of the first engaging disk 121 and the edge of the second engaging disk 131 can be prevented from damaging the valve seat 3.
Further, as a specific embodiment of the valve seat attaching and detaching tool 1 according to the embodiment of the present invention, one end of the screw 11 is an insertion end 111 for inserting into the ball valve 2 provided with the valve seat 3, the other end thereof is a rotation end 112 for a maintenance person to rotate, and the rotation end 112 is provided with a rotation handle 113; through setting up this rotatory handle 113, make things convenient for the maintainer to rotate screw rod 11, reduce the maintainer's the operation degree of difficulty, alleviate maintainer's work fatigue degree, also make things convenient for the maintainer to stretch into ball valve 2 or take out from ball valve 2 with disk seat assembly and disassembly tools 1 simultaneously.
Further, as a specific embodiment of the valve seat dismounting tool 1 according to the embodiment of the present invention, the length of the screw 11 is greater than the depth of the ball valve 2 provided with the valve seat 3; after the screw 11 is inserted into the ball valve 2, the rotating end 112 of the screw 11 is exposed outside the ball valve 2, so that the screw can be conveniently held and operated by a maintainer.
Further, as a specific implementation manner of the valve seat assembling and disassembling tool 1 according to the embodiment of the present invention, a connecting pipe 16 is movably sleeved on the screw rod 11 between the first hook 12 and the second hook 13, the connecting pipe 16 is fixedly connected with a supporting rod 17, the supporting rod 17 is fixedly connected to an outer side surface of the connecting pipe 16, and a length direction of the supporting rod 17 is perpendicular to a length direction of the screw rod 11; after the first hook 12 and the second hook 13 are clamped on the valve seat 3, a pulling force can be applied to the support rod 17 to drive the screw rod 11 to move, and then the first hook 12 and the second hook 13 are driven to pull out the valve seat 3.
Optionally, as a specific implementation manner of the valve seat dismounting tool 1 according to the embodiment of the present invention, the support rod 17 is fixedly sleeved with the pull rod 18, and a length direction of the pull rod 18 is perpendicular to a length direction of the support rod 17; through setting up pull rod 18, the maintainer of being convenient for applys pulling force, and preferably, the length of pull rod 18 is greater than the length of screw rod 11, and the tip that pull rod 18 is located ball valve 2 inside is fixed tip 181, exposes in the outside tip of ball valve 2 for prying tip 182, supports the fixed tip 181 of pull rod 18 in ball valve 2 bottom surface, and application lever principle pulls the prying tip 182 of pull rod 18, can produce great pulling force to pull rod 18 to reach the light effect of dismantling disk seat 3 smoothly.
In addition, as shown in fig. 8, the connecting pipe 16 is movably sleeved on the screw 11, and the supporting rod 17 is fixedly disposed on the connecting pipe 16, preferably, the supporting rod 17 can rotate with the screw 11 as an axis, that is, the pull rod 18 can rotate with the screw 11 as an axis, before the maintenance person extends into the ball valve 2, the pull rod 18 can be rotated to a position overlapping with the first hook 12 and the second hook 13, so as to reduce the transverse length of the valve seat assembling and disassembling tool 1, so as to adapt to the ball valve 2 with a smaller valve port, after the maintenance person extends into the ball valve 2, generally, the valve cavity 21 of the ball valve 2 is relatively large, and the maintenance person can unfold the valve seat assembling and disassembling tool 1 inside the valve cavity 21, that is, the pull rod 18 is rotated to a position far away from the valve seat 3.
Optionally, as a specific implementation manner of the valve seat assembling and disassembling tool 1 according to the embodiment of the present invention, a pull rod 18 is screwed to the support rod 17, a length direction of the pull rod 18 is perpendicular to a length direction of the support rod 17, and an end of the support rod 17 away from the connection pipe 16 is provided with a tightening nut 19 for pulling the connection pipe 16 to move toward the pull rod 18. The tensioning nut 19 is a common hexagonal nut and is matched with the thread on the pull rod 18 to play a role in preventing the pull rod 18 from being separated from the unthreaded hole in the middle of the supporting rod 17; after the support rod 17 is fixed, the nut is screwed by a wrench, so that a large pulling force can be generated on the pull rod 18, and the pull rod 18 can be easily and smoothly detached from the valve seat 3.
Further, as a specific embodiment of the valve seat attaching and detaching tool 1 according to the embodiment of the present invention, a support ring 20 is provided on the connection pipe 16, and the support ring 20 is used for supporting the screw 11. The support ring 20 is made of a common steel plate, is circular, is welded and fixed with the screw rod 11, and has an outer diameter larger than that of the connecting pipe 16 to play a role in supporting the screw rod 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A kind of valve base disassembling tool, characterized by: comprises a screw rod, a first hook and a second hook which are in threaded connection with the screw rod, the first hook and the second hook are used for moving away from each other along the axial direction of the screw rod so as to be clamped on the inner circumferential surface of a valve seat to be disassembled and assembled, the first hook and the second hook are arranged at intervals and extend towards the same direction, the extending directions of the first hook and the second hook are both vertical to the length direction of the screw rod, the end part of the first hook far away from the screw rod is provided with a first clamping disc, the surface of the first clamping disc is vertical to the extending direction of the first hook, a second clamping disc is arranged at the end part of the second hook far away from the screw rod, the surface of the second clamping disc is vertical to the extending direction of the second hook, the first clamping disk extends towards the direction far away from the second clamping disk, and the second clamping disk extends towards the direction far away from the first clamping disk.
2. The valve seat removal tool of claim 1, wherein: the first couple with the tip that the screw rod is connected has been seted up the confession the screw rod passes first perforation, first fenestrate pore wall be provided with screw rod complex first screw thread, the second couple with the tip that the screw rod is connected has been seted up the confession the screw rod passes the second perforation, the fenestrate pore wall of second be provided with screw rod complex second screw thread, first screw thread with the screw thread opposite direction of second screw thread.
3. The valve seat removal tool of claim 1, wherein: the first clamping disc and the second clamping disc are semicircular in shape, and the radius of the first clamping disc and the radius of the second clamping disc are matched with the radius of the valve seat to be disassembled and assembled.
4. The valve seat removal tool of claim 3, wherein: the first clamping disc is provided with a first chamfer part along the circumferential direction of the first clamping disc, and the second clamping disc is provided with a second chamfer part along the circumferential direction of the second clamping disc.
5. The valve seat removal tool of any one of claims 1-4, wherein: one end of the screw is an insertion end for inserting into the ball valve provided with the valve seat, the other end of the screw is a rotating end for rotating by a maintainer, and the rotating end is provided with a rotating handle.
6. The valve seat removal tool of any one of claims 1-4, wherein: the length of the screw rod is greater than the depth of the ball valve provided with the valve seat.
7. The valve seat removal tool of any one of claims 1-4, wherein: a connecting pipe is movably sleeved between the first hook and the second hook on the screw rod, a supporting rod is arranged on the connecting pipe, and the length direction of the supporting rod is perpendicular to that of the screw rod.
8. The valve seat removal tool of claim 7, wherein: the supporting rod is fixedly sleeved with a pull rod, and the length direction of the pull rod is perpendicular to the length direction of the supporting rod.
9. The valve seat removal tool of claim 7, wherein: the bracing piece threaded connection has the pull rod, the length direction of pull rod is perpendicular the length direction of bracing piece, the tip that the connecting pipe was kept away from to the bracing piece is provided with and is used for pulling the connecting pipe is towards the straining nut of pull rod removal.
10. The valve seat removal tool of any one of claims 1-4, wherein: the connecting pipe is provided with a support ring, and the support ring is used for supporting the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562919.2A CN112140050A (en) | 2019-06-26 | 2019-06-26 | Valve seat dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562919.2A CN112140050A (en) | 2019-06-26 | 2019-06-26 | Valve seat dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112140050A true CN112140050A (en) | 2020-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910562919.2A Pending CN112140050A (en) | 2019-06-26 | 2019-06-26 | Valve seat dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112140050A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601458A (en) * | 2021-08-09 | 2021-11-05 | 凯喜姆阀门有限公司 | Disassembling and assembling tool, assembling method and disassembling method for fixed ball valve seat |
| CN114147456A (en) * | 2021-11-29 | 2022-03-08 | 重庆川仪调节阀有限公司 | Online dismouting device of ultra-low temperature upper assembling type ball valve seat part |
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- 2019-06-26 CN CN201910562919.2A patent/CN112140050A/en active Pending
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|---|---|---|---|---|
| EP2277666A1 (en) * | 2009-07-24 | 2011-01-26 | Kleinbongartz & Kaiser oHG | Internal puller for bearings or similar |
| CN103817648A (en) * | 2014-03-12 | 2014-05-28 | 四川西林石油物资装备有限公司 | Tool for detaching built-in part |
| CN106695666A (en) * | 2015-07-16 | 2017-05-24 | 南车洛阳机车有限公司 | Dismounting device for air valve seat, setting wheel bearing and hinge pin bushing of diesel engine |
| CN206254119U (en) * | 2016-12-13 | 2017-06-16 | 张家港中天达工具有限公司 | Two pawls draw horse |
| CN109848916A (en) * | 2019-03-22 | 2019-06-07 | 王川洪 | A kind of blowdown valve valve pocket extracting tool and its valve pocket dismantle extracting method |
| CN210819357U (en) * | 2019-06-26 | 2020-06-23 | 中核检修有限公司 | Valve seat dismounting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113601458A (en) * | 2021-08-09 | 2021-11-05 | 凯喜姆阀门有限公司 | Disassembling and assembling tool, assembling method and disassembling method for fixed ball valve seat |
| CN114147456A (en) * | 2021-11-29 | 2022-03-08 | 重庆川仪调节阀有限公司 | Online dismouting device of ultra-low temperature upper assembling type ball valve seat part |
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