CN212946353U - Frock of supplementary loading formula ball valve spheroid dismouting - Google Patents
Frock of supplementary loading formula ball valve spheroid dismouting Download PDFInfo
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- CN212946353U CN212946353U CN202021282683.1U CN202021282683U CN212946353U CN 212946353 U CN212946353 U CN 212946353U CN 202021282683 U CN202021282683 U CN 202021282683U CN 212946353 U CN212946353 U CN 212946353U
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Abstract
The utility model discloses a tool for assisting in assembling and disassembling a ball body of a top-loading ball valve, which comprises a fixed block, a middle flange bolt, a movable plate, a support bar, a pull rod and a guide rod, wherein the upper end surface of the fixed block is provided with two through holes which are fastened and connected with the middle flange bolt, and the side end surface of the fixed block is provided with three through holes; the side end face of the movable plate is provided with three through holes, two guide rods which are symmetrically distributed are respectively arranged in the two through holes on the outer side of the movable plate, a pull rod is arranged in a middle hole, the middle part of the outer side face of the movable plate is provided with an arc-shaped groove, two through hole grooves are arranged on two sides of the outer side face of the movable plate, and the supporting bars are fixedly connected with the movable plate. The beneficial effects are that: (1) the device easy dismounting, simple structure can be provided with the through-hole groove according to flange processing fixed block, support bar and movable plate in the not unidimensional valve, can adjust the upper and lower position of support bar, satisfies the ball valve of the different valve pocket depths, and the application range of complete equipment is wider.
Description
Technical Field
The utility model belongs to a frock, concretely relates to frock of supplementary facial make-up ball valve spheroid dismouting.
Background
In China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. It has the action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the cock body. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve;
the upper-mounted floating ball valve is a common type in a ball valve structure, and an inlet and an outlet of the upper-mounted floating ball valve are generally connected with a system pipeline through flanges, so that when the valve breaks down on a pipeline and needs to be repaired, the valve does not need to be integrally detached from the system pipeline, only flange bolts in the valve need to be detached, a valve cover and a valve rod assembly are taken down from a valve body together, and then the ball body and the valve seat assembly are taken out, so that the ball body and the valve seat can be repaired on line.
However, the structural form of the upper-mounted floating ball valve has a problem in disassembly and assembly, and because a compression spring is respectively applied to two sides of an inlet and an outlet of the ball body, the compression spring has the function of applying pretightening force on the ball body, so that the sealing surface of the valve seat is in close contact under any condition, and the sealing property of the valve is ensured. Due to the existence of the pretightening force, the ball cannot be taken out from the valve cavity smoothly, and the ball can be taken out from the valve cavity only after the pretightening force is transferred or removed; at present, two persons are matched, and simple tools such as a copper bar, a wrench, a straight screwdriver and the like are combined and matched to unload the spring force, so that the problems of time and labor waste, difficulty in disassembling and reassembling the ball body and damage to valve parts are solved; the ball is difficult to take out, and particularly, the ball can cause certain damage to operators in a radioactive environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supplementary frock of facial make-up ball valve spheroid dismouting, it can realize the spring pretightning force effectively and shift, makes the spheroid can comparatively relax and quick take out from the valve intracavity, reduces the radiation dose that personnel suffered under high radiation environment.
The technical scheme of the utility model as follows: a tool for assisting in assembling and disassembling a ball body of a top-loading ball valve comprises a fixed block, a middle flange bolt, a movable plate, a support bar, a pull rod and a guide rod, wherein two through holes are formed in the upper end face of the fixed block and are fixedly connected with the middle flange bolt, and three through holes are formed in the end face of the side of the fixed block; the side end face of the movable plate is provided with three through holes, two guide rods which are symmetrically distributed are respectively arranged in the two through holes on the outer side of the movable plate, a pull rod is arranged in a middle hole, the middle part of the outer side face of the movable plate is provided with an arc-shaped groove, two through hole grooves are arranged on two sides of the outer side face of the movable plate, and the supporting bars are fixedly connected with the movable plate.
The root of the guide rod and the root of the pull rod are respectively connected with the movable plate.
The front part of the guide rod and the front part of the pull rod penetrate through a through hole on the side end face of the fixing plate.
And a gasket and a rotating nut are arranged at the front part of the pull rod.
The two through hole grooves of the moving plate are rectangular.
The middle of the supporting bar is provided with a through hole groove.
The fastening screw rod penetrates through the supporting strips and the grooves of the moving plate and is locked through the fastening nut.
The beneficial effects of the utility model reside in that:
(1) the device is convenient to disassemble and assemble, has a simple structure, can process the fixing blocks, the supporting bars and the moving plate according to the flanges in the valves with different sizes to form the through hole grooves, can adjust the upper and lower positions of the supporting bars, meets the requirements of the ball valves with different valve cavity depths, and has a wider application range;
(2) compared with the original simple tools, the device is combined for use, the dismounting efficiency is higher, the dismounting process time of the valve can be greatly shortened, and great help is brought to reduction of radiation dose received by maintenance personnel in a radiation environment;
in addition, the device has the characteristics of convenience in carrying, simplicity in installation, wide applicable objects and high disassembly and assembly efficiency, and can meet the requirement for maintenance and use of the valve of the nuclear power plant.
Drawings
Fig. 1 is a schematic view of a tool for assisting in assembling and disassembling a ball of a top-loading ball valve provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic diagram of the tool for assisting the disassembly and assembly of the upper ball valve ball body and the ball valve in cooperation.
In the figure, 1 fixing block, 2 middle flange bolts, 3 moving plate, 4 supporting bars, 5 fastening nuts, 6 fastening screws, 7 rotating nuts, 8 pull rods, 9 guide rods, 10 valve seats, 11 springs and 12 tooling.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a supplementary frock of facial make-up ball valve spheroid dismouting utilizes this frock can assist and install under normal operating mode of nuclear power plant and high radiation environment that the spherical dismouting of the ball valve of floating that the system's pipeline structure form is facial make-up is at disintegration in-process, has solved and has relied on artifical and simple multiplexer utensil combination to pull down the spheroid and repack the problem that the spheroid in-process exists wastes time and energy the difficulty and produce the damage to valve spare part before. The tool can avoid damage to valve parts, improve working efficiency, reduce labor intensity and effectively reduce radiation dose of personnel in a high radiation environment.
A compression spring is respectively applied to two sides of an inlet and an outlet of a ball body of the ball valve, and the compression spring is used for applying pretightening force on the ball body, so that a sealing surface of a valve seat is in close contact under any condition, and the sealing performance of the valve is ensured.
As shown in fig. 1-4, a tool for assisting in assembling and disassembling a ball body of a top-loading ball valve comprises a fixed block 1, a middle flange bolt 2, a movable plate 3, a support bar 4, a fastening nut 5, a fastening screw 6, a rotating nut 7, a pull rod 8 and a guide rod 9, and the tool is used for realizing the function of assisting in assembling and disassembling the ball body of the floating ball valve by mutual matching of parts.
The upper end face of the fixed block 1 is provided with two circular through holes, the fixed block is tightly connected with a flange in the ball valve through a middle flange bolt 2, the fixed block and the upper end through holes meeting the specification and the size of the on-site valve are processed according to middle flanges with different sizes, and the side end face of the fixed block is provided with three through holes;
three through holes with the same size as the left end face of the fixed block are processed on the side end face of the moving plate 3, two smooth guide rods 9 which are symmetrically distributed are respectively installed in the two through holes on the outer side of the moving plate 3, a full-thread pull rod 8 is installed in a middle hole, and after planes are aligned, the roots of the guide rods 9 and the roots of the pull rod 8 are respectively in full-welding connection with the right end face of the moving plate.
The front parts of the guide rods 9 and the pull rods 8 penetrate through holes on the side end face of the fixing plate 1; the front part of the pull rod 8 which penetrates out is provided with a gasket and a rotating nut 7; the guide rods 9 are distributed on two sides of the moving plate 3 and used for guiding when the moving plate 3 moves so as to prevent the moving plate 3 from deviating; the pull rod 8 is subjected to the force of the spring 11 acting on the ball valve seat 10.
An arc-shaped groove is formed in the middle of the outer side face of the moving plate 3, the moving space of the moving plate can be enlarged, and two rectangular through hole grooves are formed in the outer two sides of the moving plate.
The support bars 4 are arranged in two, through hole grooves are also processed in the middle of the support bars 4, the fastening screw rods 6 penetrate through the support bars and the slotted holes of the movable plate 3, and the valve cavities are locked by the fastening nuts 5 arranged in front of and behind the fastening screw rods 6 after the relative positions of the support bars are adjusted according to the position depth of the valve seats 10.
After the supporting bars 4 are positioned, the supporting bars have proper contact area with the front end face of the valve seat, so that the supporting bars are stressed conveniently, the opening wrench is utilized to rotate the rotating nut 7, the pull rod 8 can move back and forth to drive the moving plate 3 and the supporting bars 4 to move back and forth, and the compression and the relaxation of the spring are realized.
When the distance of the backward movement of the valve seat is enough for the ball to be taken out from the valve cavity, the ball can be easily taken out from the valve cavity, and the same reason is also adopted when the ball is installed.
Because the spring is usually installed at the inlet and outlet ends of the ball body of the upper-mounted floating ball valve, two sets of tools need to be symmetrically installed on the left side and the right side of a flange in the valve when the valve is disassembled, and the tools are matched for use, so that the convenient and fast disassembly and assembly of the ball body of the upper-mounted floating ball valve are finally realized.
Claims (6)
1. The utility model provides a supplementary frock of dismouting of facial make-up ball valve spheroid which characterized in that: the device comprises a fixed block, a middle flange bolt, a movable plate, a support bar, a pull rod and a guide rod, wherein two through holes are formed in the upper end face of the fixed block and are fixedly connected with the middle flange bolt; the side end face of the movable plate is provided with three through holes, two guide rods which are symmetrically distributed are respectively arranged in the two through holes on the outer side of the movable plate, a pull rod is arranged in a middle hole, the middle part of the outer side face of the movable plate is provided with an arc-shaped groove, two through hole grooves are arranged on two sides of the outer side face of the movable plate, and the supporting bars are fixedly connected with the movable plate.
2. The tool for assisting in assembling and disassembling the ball body of the upper-mounted ball valve according to claim 1, wherein: the root of the guide rod and the root of the pull rod are respectively connected with the movable plate.
3. The tool for assisting in assembling and disassembling the ball body of the upper-mounted ball valve according to claim 1, wherein: the front part of the guide rod and the front part of the pull rod penetrate through a through hole on the side end face of the fixing plate.
4. The tool for assisting in assembling and disassembling the ball body of the upper-mounted ball valve according to claim 1, wherein: and a gasket and a rotating nut are arranged at the front part of the pull rod.
5. The tool for assisting in assembling and disassembling the ball body of the upper-mounted ball valve according to claim 1, wherein: the two through hole grooves of the moving plate are rectangular.
6. The tool for assisting in assembling and disassembling the ball body of the upper-mounted ball valve according to claim 1, wherein: the middle of the supporting bar is provided with a through hole groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021282683.1U CN212946353U (en) | 2020-07-02 | 2020-07-02 | Frock of supplementary loading formula ball valve spheroid dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021282683.1U CN212946353U (en) | 2020-07-02 | 2020-07-02 | Frock of supplementary loading formula ball valve spheroid dismouting |
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| Publication Number | Publication Date |
|---|---|
| CN212946353U true CN212946353U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021282683.1U Active CN212946353U (en) | 2020-07-02 | 2020-07-02 | Frock of supplementary loading formula ball valve spheroid dismouting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789426A (en) * | 2022-04-29 | 2022-07-26 | 江苏神通阀门股份有限公司 | Method for assembling internal parts of top-mounted fixed ball valve |
-
2020
- 2020-07-02 CN CN202021282683.1U patent/CN212946353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789426A (en) * | 2022-04-29 | 2022-07-26 | 江苏神通阀门股份有限公司 | Method for assembling internal parts of top-mounted fixed ball valve |
| CN114789426B (en) * | 2022-04-29 | 2024-01-23 | 江苏神通阀门股份有限公司 | Assembling method for parts inside upper-mounted fixed ball valve |
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