CN219666519U - Valve clack dismounting device of safety valve - Google Patents
Valve clack dismounting device of safety valve Download PDFInfo
- Publication number
- CN219666519U CN219666519U CN202320872196.8U CN202320872196U CN219666519U CN 219666519 U CN219666519 U CN 219666519U CN 202320872196 U CN202320872196 U CN 202320872196U CN 219666519 U CN219666519 U CN 219666519U
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- valve
- clack
- valve clack
- clamping
- clamping assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a safety valve clack dismounting device, comprising: the valve rod clamping assembly is used for clamping the valve rod; the valve clack clamping assembly includes: the first clamping ring is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch is formed in one side of the first clamping ring; a first bolt fastener detachably connected to the first notch; and a first operating handle connected to opposite sides of the first clamping ring, wherein: the valve clack clamping assembly is sleeved on the periphery of the valve clack of the safety valve, and the size of the first gap is adjusted and changed through the first bolt fastener, so that the valve clack clamping assembly is fastened on the periphery of the valve clack of the safety valve. The dismounting device for the valve clack of the safety valve can respectively fasten the valve clack and the valve rod of the safety valve which are matched, ensure the quick dismounting of the valve clack and the valve rod and improve the dismounting efficiency of disassembly overhaul work.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of nuclear power stations, in particular to a safety valve clack dismounting device.
Background
In the prior art, the valve clack of the main steam safety valve is connected with the valve rod in a special threaded screwing mode, so that the degree of freedom of the valve clack and the centering effect between the valve clack and the valve rod are ensured, and finally, the good tightness of the main steam safety valve during the running of the unit is ensured.
The prior art lacks a dismounting device for dismounting the valve clack of the safety valve. In the traditional dismounting mode, the valve clack is required to be screwed into the thread buckle at the end part of the valve rod preferentially, the valve clack is separated from the valve rod, the upper assembly can be dismounted gradually, if the valve clack cannot be separated from the valve rod smoothly, the thread will generate a phenomenon of 'seizure', and the whole upper assembly will have to be dismounted destructively.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the dismounting device for the valve clack of the safety valve, which can respectively fasten the valve clack and the valve rod of the safety valve which are matched, ensure the quick dismounting of the valve clack and the valve rod and improve the dismounting efficiency of disassembly and overhaul work.
To solve the above technical problems, an embodiment of the present utility model provides a relief valve flap assembling and disassembling device for fastening an adapted relief valve flap and a valve stem, respectively, including: the valve clack clamping assembly is used for fastening the valve clack of the safety valve and the valve rod clamping assembly is used for fastening the valve rod.
The valve clack clamping assembly includes: the first clamping ring is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch is formed in one side of the first clamping ring; a first bolt fastener detachably connected to the first notch; and a first operating handle connected to opposite sides of the first clamping ring, wherein: the valve clack clamping assembly is sleeved on the periphery of the valve clack of the safety valve, and the size of the first gap is adjusted and changed through the first bolt fastener, so that the valve clack clamping assembly is fastened on the periphery of the valve clack of the safety valve.
Wherein, the inboard one end of first grip ring is seted up and is used for making the sealed face of relief valve and the quick recess of laminating of valve clack centre gripping subassembly.
Wherein, the size of recess and the size looks adaptation of relief valve clack sealed face.
Wherein the central axis of the first operating handle is set parallel to the central axis of the first bolt fastener.
The valve stem clamping assembly includes: the second clamping ring is used for being assembled and connected to the valve rod, and a second notch is formed in one side of the second clamping ring; a second bolt fastener detachably connected to the second notch; and a second operating handle connected to opposite sides of the second clamping ring, wherein: the valve rod clamping assembly is sleeved on the periphery of the valve rod, and the size of the second notch is adjusted and changed through the second bolt fastener, so that the valve rod clamping assembly is fastened on the periphery of the valve rod.
Wherein, the central axis of second operating handle and the central axis setting of second bolt fastener are on the coplanar.
Wherein, valve clack clamping assembly fixes the relief valve clack, and valve rod clamping assembly fixes the valve rod, wherein: the first operating handle and the second operating handle are rotated to enable the valve clack and the valve rod to move relatively.
The dismounting device for the valve clack of the safety valve has the following beneficial effects: the utility model provides a relief valve clack dismouting device for fasten looks adaptation relief valve clack and valve rod respectively, include: the valve rod clamping assembly is used for fastening the valve rod; the valve clack clamping assembly includes: the first clamping ring is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch is formed in one side of the first clamping ring; a first bolt fastener detachably connected to the first notch; and a first operating handle connected to opposite sides of the first clamping ring, wherein: the periphery at the relief valve clack is established to valve clack clamping assembly cover, adjusts the size that changes first breach through first bolt fastener, makes valve clack clamping assembly fasten in the periphery of relief valve clack, and valve clack clamping assembly fixes the relief valve clack, and valve rod clamping assembly fixes the valve rod, wherein: the valve clack clamping assembly and the valve rod clamping assembly are operated to enable the valve clack and the valve rod to move relatively, the valve clack is meshed with threads at the end part of the valve rod, and the purpose that the valve clack and the valve rod are separated smoothly is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic front view of a valve flap holding assembly of the valve flap attaching/detaching device of the present embodiment.
Fig. 2 is a schematic side view of a valve flap holding assembly of the valve flap attaching/detaching device of the present embodiment.
Fig. 3 is a schematic front view of a valve stem clamping assembly of the valve clack dismounting device of the present embodiment.
Fig. 4 is a schematic side view of a valve stem holding assembly of the valve clack dismounting device of the present embodiment.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1-4 show a first embodiment of the relief valve flap attachment and detachment device of the present utility model.
The relief valve clack dismouting device in this embodiment for fasten looks adaptation relief valve clack and valve rod respectively, include: the valve clack clamping assembly 1 is used for fastening a valve clack of a safety valve, and the valve rod clamping assembly 2 is used for fastening a valve rod.
The valve flap clamp assembly 1 includes: the first clamping ring 11 is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch 12 is formed in one side of the first clamping ring 11; a first bolt fastener 13 detachably attached to the first notch 12; and first operating handles 14 connected to opposite sides of the first clamping ring 11, wherein: the valve clack clamping component 1 is sleeved on the periphery of the valve clack of the safety valve, and the size of the first notch 12 is adjusted and changed through the first bolt fastener 13, so that the valve clack clamping component 1 is fastened on the periphery of the valve clack of the safety valve.
In the concrete implementation, the safety valve clack and the valve rod are of an adapting structure which can be integrally connected in an adapting way. Wherein: one end of the inner side of the first clamping ring 11 is provided with a groove 111 for enabling the sealing surface of the safety valve to be fast attached to the clamping assembly of the valve clack.
Preferably, the dimensions of the recess 111 are adapted to the dimensions of the sealing surface of the flap of the safety valve. Because the size of the groove 111 is matched with the size of the valve clack sealing surface of the main steam safety valve, the valve clack can be better made to fall into the valve clack clamping assembly 1 on the premise of protecting the valve clack sealing surface.
The function of the first notch 12 is: the inner diameter size of the first clamping ring 11 can be finely adjusted, so that the valve clack clamping assembly 1 can be sleeved on the sealing surface of the valve clack of the safety valve.
The function of the first bolt fastener 13 is: the adjustment changes the size of the first notch 12. In this embodiment, the first bolt fastener 13 is a double-ended screw and nut structures assembled at opposite ends thereof, and the size of the first notch 12 is adjusted by screwing the nuts.
The first operating handle 14 functions as: when the flap clamp assembly 1 is fitted to the outer periphery of the safety valve flap, it is convenient to operate it by means of the first operating handle 14.
Preferably, the central axis of the first operating handle 14 is set parallel to the central axis of the first bolt fastener 13.
Further, the valve stem clamping assembly 2 includes: a second clamping ring 21 for being assembled and connected to the valve rod, wherein a second notch 22 is arranged on one side of the second clamping ring 21; a second bolt fastener 23 detachably attached to the second notch 22; and second operating handles 24 connected to opposite sides of the second clamp ring 21, wherein: the valve rod clamping assembly 2 is sleeved on the periphery of the valve rod, and the size of the second notch 22 is adjusted and changed through the second bolt fastener 23, so that the valve rod clamping assembly 2 is fastened on the periphery of the valve rod.
In particular implementation, the inner diameter of the second clamping ring 21 is matched with the outer diameter of the valve rod, and the second notch 22 has the following functions: the inner diameter of the second clamp ring 21 can be finely tuned to enable the stem clamp assembly 2 to be sleeved on the valve stem.
The function of the second bolt fastener 23 is: the adjustment changes the size of the second notch 22. In this embodiment, the second bolt fastener 23 is a double-ended screw and nut structures assembled at opposite ends thereof, and the size of the second notch 22 is adjusted by screwing the nuts.
The second operating handle 24 functions as: when the valve stem clamping assembly 2 is fitted to the outer periphery of the valve stem, it is convenient to operate it by means of the second operating handle 24.
Preferably, the central axis of the second operating handle 24 is disposed on the same plane as the central axis of the second bolt fastener 22. In this way, the stability of the valve stem clamping assembly 2 is ensured when the valve stem clamping assembly 2 is operated to be fixed.
When the safety valve clack dismounting device in the embodiment is specifically implemented, the valve clack clamping assembly 1 is firstly used for fixing the safety valve clack according to the assembly, and the valve rod clamping assembly 2 is used for fixing the valve rod, wherein: the first operating handle 14 and the second operating handle 24 are rotated to enable the valve clack and the valve rod to move relatively, and in the process, the threads at the end parts of the valve clack and the valve rod are meshed, so that the purpose that the valve clack and the valve rod are separated smoothly is achieved.
Through using valve clack clamping assembly 1 and valve rod clamping assembly 2, can effectively avoid producing between valve clack and the valve rod that the screw thread "bites" phenomenon and lead to forced to change other spare parts, finally carry out the disintegration to main steam relief valve smoothly and overhaul work.
The safety valve clack dismounting device has the following beneficial effects: the utility model provides a relief valve clack dismouting device for fasten looks adaptation relief valve clack and valve rod respectively, include: the valve rod clamping assembly is used for fastening the valve rod; the valve clack clamping assembly includes: the first clamping ring is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch is formed in one side of the first clamping ring; a first bolt fastener detachably connected to the first notch; and a first operating handle connected to opposite sides of the first clamping ring, wherein: the periphery at the relief valve clack is established to valve clack clamping assembly cover, adjusts the size that changes first breach through first bolt fastener, makes valve clack clamping assembly fasten in the periphery of relief valve clack, and valve clack clamping assembly fixes the relief valve clack, and valve rod clamping assembly fixes the valve rod, wherein: the valve clack clamping assembly and the valve rod clamping assembly are operated to enable the valve clack and the valve rod to move relatively, the valve clack is meshed with threads at the end part of the valve rod, and the purpose that the valve clack and the valve rod are separated smoothly is achieved.
Claims (7)
1. The utility model provides a relief valve clack dismouting device for fasten looks adaptation relief valve clack and valve rod respectively, its characterized in that includes: the valve rod clamping assembly is used for clamping the valve rod;
the valve flap clamp assembly includes:
the first clamping ring is used for being assembled and connected to the sealing surface position of the valve clack of the safety valve, and a first notch is formed in one side of the first clamping ring; a first bolt fastener detachably connected to the first notch; and a first operating handle connected to opposite sides of the first clamping ring, wherein: the valve clack clamping assembly is sleeved on the periphery of the valve clack of the safety valve, and the size of the first notch is adjusted and changed through the first bolt fastener, so that the valve clack clamping assembly is fastened on the periphery of the valve clack of the safety valve.
2. The relief valve flap attachment and detachment apparatus of claim 1 wherein an end of the first clamping ring is provided with a recess for quick attachment of the relief valve sealing surface to the flap clamping assembly.
3. The relief valve flap attachment and detachment apparatus of claim 2 wherein the recess is sized to fit the size of the relief valve flap sealing surface.
4. The relief valve flap attaching and detaching device according to claim 1, wherein a center axis of the first operation handle and a center axis of the first bolt fastener are set in parallel.
5. The relief valve flap attachment and detachment apparatus of any of claims 1-4, wherein said valve stem clamping assembly comprises:
the second clamping ring is used for being assembled and connected to the valve rod, and a second notch is formed in one side of the second clamping ring; a second bolt fastener detachably connected to the second notch; and a second operating handle connected to opposite sides of the second clamping ring, wherein: the valve rod clamping assembly is sleeved on the periphery of the valve rod, and the size of the second notch is adjusted and changed through the second bolt fastener, so that the valve rod clamping assembly is fastened on the periphery of the valve rod.
6. The relief valve flap attaching and detaching device according to claim 5, wherein a center axis of said second operation handle and a center axis of said second bolt fastener are disposed on the same plane.
7. The relief valve flap attachment and detachment apparatus of claim 5 wherein said flap clamp assembly secures the relief valve flap and the valve stem clamp assembly secures the valve stem, wherein: and rotating the first operating handle and the second operating handle to enable the valve clack and the valve rod to generate relative motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872196.8U CN219666519U (en) | 2023-04-18 | 2023-04-18 | Valve clack dismounting device of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872196.8U CN219666519U (en) | 2023-04-18 | 2023-04-18 | Valve clack dismounting device of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219666519U true CN219666519U (en) | 2023-09-12 |
Family
ID=87926045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320872196.8U Active CN219666519U (en) | 2023-04-18 | 2023-04-18 | Valve clack dismounting device of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219666519U (en) |
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2023
- 2023-04-18 CN CN202320872196.8U patent/CN219666519U/en active Active
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