Auxiliary device for taking and mounting ball body of top-mounted ball valve

Abstract

The utility model discloses a top entry type ball valve ball taking and installing auxiliary device, which comprises a bottom plate, a fixed seat and a supporting mechanism, the top of the bottom plate is provided with the fixed seat, one side of the fixed seat is provided with the supporting mechanism, and the supporting mechanism comprises a movable seat, a hexagonal sleeve, an inserting column, a limiting column, a plane groove, a worm wheel and a worm. A movable seat is arranged on one side of the surface of the fixed seat, a hexagonal sleeve is mounted at the top of the movable seat, an adjusting bolt is screwed, a worm gear is used for driving angle adjustment of a limiting column, the arc-shaped face side of the limiting column is attached to and extrudes a spring assembly in a valve body, the spring assembly is extruded to the two sides, the distance between the spring assembly and the valve body is increased, and then the ball body can be taken out and mounted conveniently; damage to the outer surface of the ball body is avoided in the operation process, operation convenience is improved, and meanwhile completeness of the ball body assembly is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve maintenance device technical field, especially in an upper ball valve take dress ball body auxiliary device. BACKGROUND

[0002] The safe and stable operation of nuclear power plants cannot be separated from the protection of thousands of valves. Ball valves can well regulate and control fluid, and the upper ball valve is widely used because it does not need to be removed from the system when the valve seat is overhauled or replaced, and only needs to be opened to remove the ball for replacement.

[0003] The existing upper ball valve has the following disadvantages during maintenance operation: the spring compression amount is large during assembly, the spring pre-tightening force cannot be adjusted and controlled, and the distance between the valve seat and the ball is too small due to the particularity of the valve structure design, which may cause defects on the surface of the ball, thus causing great assembly difficulty for workers during regular valve maintenance or defect elimination. Therefore, we propose an upper ball valve ball taking and installing auxiliary device. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide an upper ball valve ball taking and installing auxiliary device, which can overcome the spring force and not make unnecessary contact with the ball, so as to easily take and install the ball, and effectively solve the problems in the background art.

[0005] To achieve the above purpose, the utility model adopts the technical scheme:

[0006] An upper ball valve ball taking and installing auxiliary device, comprising a bottom plate, a fixed seat and a supporting mechanism, the fixed seat is installed on the top of the bottom plate, and the supporting mechanism is arranged on one side of the fixed seat, the supporting mechanism comprises a movable seat, a hexagonal sleeve, a plug column, a limiting column, a plane groove, a worm wheel and a worm, a movable seat is arranged on one side of the surface of the fixed seat, and a hexagonal sleeve is installed on the top of the movable seat, a plug column is inserted into the hexagonal sleeve, and a limiting column is fixedly connected to the top of the plug column, a plane groove is formed on one side of the surface of the limiting column, and a worm wheel is installed at the bottom of the plug column in the movable seat, and a worm is installed in the movable seat and engaged with the worm wheel.

[0007] Further, a connecting bolt is installed between the movable seat and the fixed seat, and a nut is connected to the outer periphery of the connecting bolt; the connecting bolt and the nut cooperate to horizontally connect the movable seat and the fixed seat.

[0008] Further, a positioning bolt is vertically installed in the fixed seat and protrudes from the outside of the fixed seat; the positioning bolt is used to realize the overall positioning of the device.

[0009] Further, the adjusting bolt is arranged horizontally inside the movable seat, and the end of the adjusting bolt is connected with the end of the worm; the rotation of the worm is driven by screwing the adjusting bolt, and the rotation of the worm wheel is driven in turn.

[0010] Compared with the prior art, the utility model has the advantages that when the valve body of the top-mounted ball valve is disassembled and installed, the upper valve cover is opened first, the distance between the fixed seat and the movable seat is adjusted, the end of the positioning bolt inside the fixed seat is clamped into the corresponding position inside the flange of the ball valve, the limiting column structure is inserted into the valve body and located on both sides of the ball, the planar groove on the surface of the limiting column is attached to the spring assembly on both sides of the surface of the ball, then the adjusting bolt is screwed, the angle of the limiting column is adjusted by the worm wheel, the arc surface side is attached to and presses the spring assembly inside the valve body, the spring assembly on both sides is pressed, the distance between them is increased, the ball is conveniently taken out and installed, the damage to the outer surface of the ball is avoided during the operation process, the operation convenience is improved, and the integrity of the ball assembly is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is an overall structure schematic view of the auxiliary device for taking and installing the ball of the top-mounted ball valve.

[0012] Figure 2 It is a device top view structure schematic view of the auxiliary device for taking and installing the ball of the top-mounted ball valve.

[0013] Figure 3 It is a column end connection structure schematic view of the auxiliary device for taking and installing the ball of the top-mounted ball valve.

[0014] Figure 4 It is a limiting column surface structure schematic view of the auxiliary device for taking and installing the ball of the top-mounted ball valve.

[0015] In the drawing: 1, bottom plate; 2, fixed seat; 201, connecting bolt; 202, nut; 3, supporting mechanism; 301, positioning bolt; 302, movable seat; 303, hexagonal sleeve; 304, column; 305, limiting column; 306, planar groove; 307, worm wheel; 308, adjusting bolt; 309, worm. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0017] For example, Figures 1-4As shown, one kind is installed on the ball of the upper ball valve and is installed on the ball of the auxiliary device for ball, including bottom plate 1, still including fixed seat 2 and support mechanism 3, the fixed seat 2 of bottom plate 1 top is equipped with and the side of fixed seat 2 is provided with support mechanism 3, the support mechanism 3 includes movable seat 302, hexagonal sleeve 303, plug column 304, limiting column 305, plane groove 306, worm wheel 307 and worm 309, the surface side of fixed seat 2 is provided with movable seat 302 and the top of movable seat 302 is equipped with hexagonal sleeve 303, the inside of hexagonal sleeve 303 is inserted with plug column 304 and the top of plug column 304 is fixedly connected with limiting column 305, the surface side of limiting column 305 is provided with plane groove 306, the bottom of plug column 304 is installed with the worm wheel 307 inside movable seat 302 and the worm 309 that movable seat 302 is installed with and is engaged with worm wheel 307.

[0018] Wherein, the movable seat 302 is installed with connecting bolt 201 between fixed seat 2 and is peripherally connected with nut 202, the inside of fixed seat 2 is vertically installed with locating bolt 301 and locating bolt 301 end protrudes to the outside of fixed seat 2;Connecting bolt 201 and nut 202 cooperate, and the horizontal connection between movable seat 302 and fixed seat 2 is realized, and locating bolt 301 is used to realize the overall positioning of the device.

[0019] Wherein, the inside of movable seat 302 is horizontally installed with adjusting bolt 308 and the end of adjusting bolt 308 is connected with the end of worm 309;By screwing adjusting bolt 308, the rotation of worm 309 can be driven, and the rotation of worm wheel 307 is further driven.

[0020] It should be noted that the utility model is a kind of upper ball valve and is installed on the ball of the auxiliary device for ball, when using, when the valve body of upper ball valve is disassembled and installed, first open upper valve cover, adjust the spacing between fixed seat 2 and movable seat 302, the end of locating bolt 301 inside fixed seat 2 is inserted into the corresponding position in the flange of ball valve, while limiting column 305 structure is inserted into the valve body and is located on the both sides of ball, the plane groove 306 on the surface of limiting column 305 is attached to the spring assembly on the both sides of the surface of ball, then adjusting bolt 308 is screwed, the angle of limiting column 305 is adjusted using worm wheel 307, so that the arc side is attached and extruded spring assembly in valve body, the both sides of spring assembly are extruded, the spacing between them is increased, and the removal and installation of ball are facilitated, the damage to the outer surface of ball is avoided during operation process, the operation convenience is improved, and the integrity of ball assembly is ensured.

[0021] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An auxiliary device for loading and unloading a ball in a top-mounted ball valve, comprising a base plate (1), characterized in that, It also includes a fixed seat (2) and a support mechanism (3). The fixed seat (2) is installed on the top of the base plate (1), and a support mechanism (3) is provided on one side of the fixed seat (2). The support mechanism (3) includes a movable seat (302), a hexagonal sleeve (303), a plug (304), a limiting post (305), a flat groove (306), a worm gear (307), and a worm (309). The movable seat (302) is provided on one side of the surface of the fixed seat (2), and the movable seat (302) is provided on one side of the fixed seat (2). 302) A hexagonal sleeve (303) is installed on the top. A plug (304) is inserted into the hexagonal sleeve (303) and a limiting post (305) is fixedly connected to the top of the plug (304). A flat groove (306) is opened on one side of the surface of the limiting post (305). A worm gear (307) inside the movable seat (302) is installed at the bottom of the plug (304) and a worm (309) that meshes with the worm gear (307) is installed inside the movable seat (302).

2. The auxiliary device for loading and unloading the ball in a top-mounted ball valve according to claim 1, characterized in that: A connecting bolt (201) is installed between the movable seat (302) and the fixed seat (2), and a nut (202) is fitted around the outer periphery of the connecting bolt (201).

3. The auxiliary device for loading and unloading the ball in a top-mounted ball valve according to claim 1, characterized in that: The fixing seat (2) is vertically mounted with a positioning bolt (301) inside, and the end of the positioning bolt (301) protrudes to the outside of the fixing seat (2).

4. The auxiliary device for loading and unloading the ball in a top-mounted ball valve according to claim 1, characterized in that: An adjusting bolt (308) is installed horizontally inside the movable seat (302), and the end of the adjusting bolt (308) is connected to the end of the worm (309).

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