CN214456237U - Hoisting tool for wedge gate valve wire-cut test gate plate - Google Patents
Hoisting tool for wedge gate valve wire-cut test gate plate Download PDFInfo
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- CN214456237U CN214456237U CN202023176160.1U CN202023176160U CN214456237U CN 214456237 U CN214456237 U CN 214456237U CN 202023176160 U CN202023176160 U CN 202023176160U CN 214456237 U CN214456237 U CN 214456237U
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- gate valve
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- flashboard
- hanging piece
- hanging
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Abstract
The utility model belongs to the technical field of nuclear power plant overhauls, concretely relates to wedge gate valve service test flashboard lifting device. The clamp comprises a boss hanging piece, a pressing gasket, a hanging rod and a hanging ring; one end of the suspender is provided with a hanging ring, the other end of the suspender is provided with a boss hanging piece, a compression gasket is arranged in the middle of the suspender, and the compression gasket is in threaded fit with the suspender. The inconvenient problem of hoist and mount of flashboard when this device effectively solves nuclear power station wedge gate valve admission line test, practices thrift the experimental hoist and mount time of admission line, promotes wedge gate valve maintenance efficiency, and the design is exclusively used in experimental flashboard lifting device of wedge gate valve admission line to hoist the flashboard.
Description
Technical Field
The utility model belongs to the technical field of nuclear power plant overhauls, concretely relates to wedge gate valve service test flashboard lifting device.
Background
Most wedge gate valves used by pressurized water reactor nuclear power stations are T-shaped groove hook type gate plates, the gate plates are connected with valve rods through T-shaped groove hooks, the T-shaped grooves are not completely consistent in form and are usually large in caliber, the weight of the gate plates and the weight of the valve rods are large, and the valve rods, the gate plates and the valve rods are inconvenient to disassemble, assemble and hoist, time and labor are consumed. The wedge type gate valve is mostly used as a containment boundary valve in a power plant, the executed disintegration work is more, and the sealing tangential test of the gate and the valve seat must be executed to verify the sealing performance of the gate and the valve seat each time the disintegration maintenance work is executed. The combination of the gate plate, the valve rod and the valve cover needs to be hung and installed in the valve body for testing, if the testing is unqualified, the gate plate, the valve rod and the valve cover need to be hung out for maintenance, and the valve body needs to be hung in again for testing, so that the gate plate, the valve rod and the valve cover need to be hung in and out for multiple times during maintenance.
In order to fix the flashboard and prevent the flashboard from shifting during the existing wedge gate valve wire inserting test so as to better perform the wire inserting test, the flashboard, the valve rod and the valve cover are assembled, so that the flashboard is fixed, and the flashboard, the valve rod and the valve cover are hoisted out and hoisted in the lump. This subassembly weight often reaches hundreds of jin, and the hoist and mount degree of difficulty is great, and is consuming time power, and because the relation that the valve gap sheltered from has not sent and loads into to the flashboard and carry out better observation to influence wedge gate valve maintenance efficiency greatly and have heavy object hoist and mount safety risk.
Therefore, the portable hoisting can be realized without the combination of a hoisting flashboard, a valve rod and a valve cover, the flashboard can be fixed and prevented from moving only through the hoisting flashboard, and the hoisting tool for meeting the destination of the wire feeding test can be observed without shielding when the wedge gate valve is hoisted, so that the overhauling efficiency of the wedge gate valve is greatly improved, and the hoisting safety of heavy objects is effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
Not enough more than, the utility model aims at providing a wedge gate valve service test flashboard lifting device, the inconvenient problem of hoist and mount of flashboard when effectively solving nuclear power station wedge gate valve service test, practice thrift the experimental hoist and mount time of service, promote wedge gate valve maintenance efficiency, the design is exclusively used in the experimental flashboard lifting device of wedge gate valve service to hoist the flashboard.
A hoisting tool for a wedge gate valve wire-cut test flashboard comprises a boss hanging piece, a pressing gasket, a hanging rod and a hanging ring;
one end of the suspender is provided with a hanging ring, the other end of the suspender is provided with a boss hanging piece, a compression gasket is arranged in the middle of the suspender, and the compression gasket is in threaded fit with the suspender.
The hanging ring is circular and is welded with the hanging rod.
The pressing gasket and the boss hanging piece are sequentially screwed in from the other end of the hanging rod in a threaded connection mode, the boss hanging piece is pushed into the flashboard groove, and the pressing gasket is tightly attached to the top of the flashboard by downwards rotating the pressing gasket.
The boss hanging piece is a frustum-shaped hanging piece, and a threaded hole of M20 is drilled in the center of the boss hanging piece.
The boss hanging piece is a regular boss-shaped hanging piece, and a threaded hole M20 is drilled in the center of the boss hanging piece.
The hanger rod is an M20 long screw rod with the length of 300mm, and the material is 314L stainless steel.
The center of the pressing gasket is provided with a threaded hole of M20.
The hanging ring is a through hole with the outer diameter of 120mm, the thickness of 10mm and the diameter of 100mm at the center.
The beneficial effects of the utility model reside in that:
the shorter light in weight of jib length in this design, and have rings structure, boss pendant design multiple type model and adopt threaded connection mode replaceability strong, applicable wedge type flashboard with multiple model articulates, locks fixed flashboard with compressing tightly the gasket through the screw thread of jib.
During the overhaul period of a nuclear power plant, the method is adopted for carrying out flashboard hoisting work during the stockline test of the large-caliber wedge gate valve, compared with the original methods for assembling, disassembling and testing the valve rod, the flashboard, the valve rod and the valve cover can be assembled without hoisting, the flashboard can be fixed and prevented from moving only by hoisting the flashboard, and the hoisting tool for meeting the stockline test destination can be observed without shielding during hoisting, so that the overhauling efficiency of the wedge gate valve is greatly improved. And the high replaceability can be used for wedge gate valves with various calibers, and the hoisting safety of heavy objects is effectively guaranteed.
According to the field practical experience, the hoisting work of the wire-inserting test gate plate is saved by about 2h when a single large-caliber wedge gate valve is overhauled, the radiation dose of staff of a working group is greatly reduced, and the working safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a boss hanging piece; 2. compressing the gasket; 3. a boom; 4. a lifting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A hoisting tool for a wedge gate valve wire-cut test flashboard comprises a boss hanging piece 1, a pressing gasket 2, a hanging rod 3 and a hanging ring 4;
one end of the suspender 3 is provided with a suspension ring 4, the other end is provided with a boss hanging piece 1, a compression gasket 2 is arranged in the middle of the suspender 3, and the compression gasket 2 is in threaded fit with the suspender 3.
For guaranteeing that flashboard and boss pendant 1 are connected the fastening, the flashboard removes when preventing to hoist and mount, and the design compresses tightly gasket 2, and the screw thread of accessible jib 3 locks, guarantees that boss pendant 1 closely cooperates with the flashboard.
The lifting ring 4 is circular and is welded with the lifting rod 3, and the lifting flashboard can be hung and implemented by lifting equipment such as a lifting belt and a hoist to carry out a wire feeding test.
The field connection process with the valve core of the valve is as follows: the welding form of the one end of jib 3 is fixed rings 4, compress tightly gasket 2 and boss pendant 1 (according to different specification forms of scene wedge gate valve flashboard form and size selection) and successively with threaded connection's mode from jib 3 one end screw in addition, boss pendant 1 pushes into the flashboard recess, make compress tightly gasket 2 closely laminate with the flashboard top through rotatory compress tightly gasket 2 downwards, make flashboard, boss pendant 1, compress tightly gasket 2 cooperation fixed and prevent that the flashboard is not hard up, pass jib top rings 4 through the jack-up suspender and carry out the flashboard hoist and mount.
The boss hanging piece 1 is designed into two types for being suitable for wedge type gate plates with various caliber sizes, one type is a frustum-shaped hanging piece, the frustum-shaped hanging piece comprises 3 specifications, the diameters of the bottom part and the top part are 57 mm, 43 mm and 38mm, the diameters of the top part and the top part are 52 mm, 38mm and 34 mm, the thickness of the boss hanging piece is 25 mm, 23 mm and 20mm, the material is 314L stainless steel, and a threaded hole of M20 is drilled in the center of the boss hanging piece. One type is a positive boss-shaped pendant, which comprises 2 types of specifications, wherein the radius of the bottom of the pendant is 32 mm, the radius of the bottom of the pendant is 38mm, the height of the pendant is 20mm, the height of the pendant is 30 mm, the radius of the top of the pendant is 18 mm, the radius of the top of the pendant is 20mm, the height of the pendant is 10, the material is 314L stainless steel, and a threaded hole M20 is drilled in the center of the pendant.
The hanger rod 3 is an M20 long screw rod with the length of 300mm and is made of 314L stainless steel.
The compression gasket 2 is suitable for the size specification in the wedge type gate plate design 3 of various caliber sizes, the compression gasket with the outer diameters of 90 mm, 60 mm and 40mm and the thickness of 6mm, is made of 314L stainless steel, and a threaded hole of M20 is drilled in the center of the compression gasket.
The hanging ring 4 is a through hole with the outer diameter of 120mm, the thickness of 10mm, the center diameter of 100mm and the material of 314L stainless steel, and is welded on the top of the hanging rod.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
In the drawings of the disclosed embodiments of the present invention, only the methods related to the disclosed embodiments are referred to, and other methods can refer to the general design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A hoisting tool for a wedge gate valve wire-cut test flashboard comprises a boss hanging piece, a pressing gasket, a hanging rod and a hanging ring;
the method is characterized in that:
one end of the suspender is provided with a hanging ring, the other end of the suspender is provided with a boss hanging piece, a compression gasket is arranged in the middle of the suspender, and the compression gasket is in threaded fit with the suspender.
2. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the hanging ring is circular and is welded with the hanging rod.
3. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the pressing gasket and the boss hanging piece are sequentially screwed in from the other end of the hanging rod in a threaded connection mode, the boss hanging piece is pushed into the flashboard groove, and the pressing gasket is tightly attached to the top of the flashboard by downwards rotating the pressing gasket.
4. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the boss hanging piece is a frustum-shaped hanging piece, and a threaded hole of M20 is drilled in the center of the boss hanging piece.
5. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the boss hanging piece is a regular boss-shaped hanging piece, and a threaded hole M20 is drilled in the center of the boss hanging piece.
6. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the hanger rod is an M20 long screw rod with the length of 300mm, and the material is 314L stainless steel.
7. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the center of the pressing gasket is provided with a threaded hole of M20.
8. The hoisting tool for the wedge gate valve wire-cut test gate plate of claim 1, wherein: the hanging ring is a through hole with the outer diameter of 120mm, the thickness of 10mm and the diameter of 100mm at the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023176160.1U CN214456237U (en) | 2020-12-25 | 2020-12-25 | Hoisting tool for wedge gate valve wire-cut test gate plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023176160.1U CN214456237U (en) | 2020-12-25 | 2020-12-25 | Hoisting tool for wedge gate valve wire-cut test gate plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456237U true CN214456237U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023176160.1U Active CN214456237U (en) | 2020-12-25 | 2020-12-25 | Hoisting tool for wedge gate valve wire-cut test gate plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214456237U (en) |
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2020
- 2020-12-25 CN CN202023176160.1U patent/CN214456237U/en active Active
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