Top-mounted floating ball valve ball body assembling tool

Abstract

The utility model relates to a top-mounted floating ball valve ball body assembling tool which comprises a transverse plate (1), clamping assemblies and fasteners (3), the two ends of the transverse plate (1) are movably connected with the clamping assemblies, and the clamping assemblies are a pair of positioning sleeves (2); a key groove fixing column (6) is arranged in the middle of the transverse plate (1). And a runner fixing column (7) is arranged at one end of the transverse plate (1). When the valve body is assembled, the positioning sleeves (2) at the two ends of the transverse plate (1) are adjusted to clamp the tool at the upper end of the valve body, the fastener (3) is tightened, and when the runner fixing column (7) is in contact with the upper wall of a cavity of a ball of the valve body and the end face of the key groove fixing column (6) abuts against the bottom of a key groove in the top of the ball, the adjusting nut (5) is tightened, so that the ball in the valve body is fixed; in the assembling process, on the premise that all parts are not collided or damaged, installation of the ball body is completed, and after assembling is completed, the sealing performance of the valve body is not reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve body transfer technology field, concretely relates to a top-mounted floating ball valve ball body assembly tool. BACKGROUND

[0002] In recent years, natural gas consumption in China shows a year-on-year increasing trend, and the cryogenic discharge arm for loading and unloading liquefied natural gas plays an important role. The top-mounted floating ball valve is widely used in LNG new energy working conditions due to its rapid switching, reliable sealing, simple structure and small flow resistance, and has broad market prospects. In the whole machine assembly process, due to the parallel structure of the valve seat and the compression of the ball body to form the initial specific pressure, the ball body installation brings certain technical difficulty. In the assembly process, the valve core of the ball valve is easy to rotate, and the collision of each part during installation will damage the internal structure of the valve body, which has a negative impact on the sealing performance of the valve body.

[0003] In view of the above situation, the assembly of the ball valve ball body lacks fixation of the ball body, and the shape of the ball body makes it easy to slide during installation, which affects the progress and efficiency of the assembly. How to use the existing valve cavity structure with compact structure and ball body diameter greater than the valve seat opening distance to develop the top-mounted floating ball valve ball body assembly process becomes the primary problem faced by the whole machine assembly of this type of valve. Some technical means to solve the above problems are disclosed in the prior art, but the structure and operation method are relatively complex.

[0004] For example, the Chinese invention patent application with the publication number CN107489781A discloses a kind of assembly process of fixed ball valve, and the steps of process contain: (1) lock multiple double-headed bolts in the both ends of middle body respectively, and respectively install sliding bearing in the valve stem assembly hole slot of ball body and lower support shaft assembly hole slot;(2) respectively assemble upper support assembly and lower support assembly;Wherein, upper support assembly includes valve stem, and lower support assembly includes lower support shaft;(3) assemble and position upper support assembly on the upper support hole slot of middle body, and assemble and position lower support assembly on the lower support hole slot of middle body, ensure that the axis of valve stem and the axis of lower support shaft are on the same axis;(4) assemble ball body into middle body, so that the lower end of valve stem is installed into the valve stem assembly hole slot of ball body, and the lower end of valve stem is fitted on the sliding bearing in valve stem assembly hole slot. Through the process, fixed ball valve can be assembled in batches, and the assembly quality and efficiency are improved. But there are problems of complex structure and operation. SUMMARY

[0005] In view of the problems existing in the prior art, the utility model provides a kind of top-mounted floating ball valve ball body assembly tool, ball body is fixed by clamping, can quickly and effectively complete the assembly of valve body, no collision, no damage in the assembly of each fitting, and the sealing performance of valve body is not reduced after assembly.

[0006] The utility model provides a kind of top-mounted floating ball valve ball assembly tool, it includes cross plate, clamping assembly and fastener, the both ends of the cross plate are movably connected with the clamping assembly, the clamping assembly is a pair of positioning sleeve;The middle part of cross plate is equipped with keyway fixed column;One end of cross plate is equipped with flow channel fixed column.Valve body assembly, adjust the positioning sleeve of both ends of cross plate and tighten fastener in the upper end of valve body, when flow channel fixed column and the upper wall of the ball cavity of valve body contact, keyway fixed column end face abuts on the keyway bottom of ball top, and screw tight adjusting nut, to fix the ball in valve body, the installation of ball is completed under the premise that each component is not collision, no damage in assembly process, and valve body sealing property is not reduced after assembly is completed.

[0007] Preferably, the cross plate is a rectangular plate with threaded holes at one end and middle part, the threaded holes at the end of the cross plate cooperate with the flow channel fixed column; the threaded holes at the middle part of the cross plate cooperate with the keyway fixed column; the flow channel fixed column and the keyway fixed column are fixedly connected with the cross plate through adjusting nuts. During operation, the keyway fixed column and the flow channel fixed column can be moved up and down by adjusting the nuts, so as to fix the ball in the valve body.

[0008] Preferably, in any of the above solutions, the adjusting nut includes a flow channel fixed column adjusting nut and a keyway fixed column adjusting nut; the flow channel fixed column is fixedly connected with the cross plate through the flow channel fixed column adjusting nut; the keyway fixed column is fixedly connected with the cross plate through the keyway fixed column adjusting nut.

[0009] During operation, the height of the flow channel fixed column on the cross plate is adjusted, and the flow channel fixed column adjusting nut is tightened when the flow channel fixed column contacts the upper wall of the ball cavity of the valve body; the height of the keyway fixed column on the cross plate is adjusted, and the keyway fixed column adjusting nut is tightened when the end face of the keyway fixed column abuts on the keyway bottom of the top of the ball, so as to fix the ball in the valve body.

[0010] Preferably, in any of the above solutions, the flow channel fixed column adjusting nut is provided with a keyway fixed column gasket, so as to reduce the abrasion of the nut on the surface of the cross plate; the keyway fixed column adjusting nut is provided with a flow channel fixed column gasket, so as to reduce the abrasion of the nut on the surface of the cross plate.

[0011] Preferably, in any of the above solutions, the positioning sleeve is a U-shaped plate with a U-shaped groove inside, and the both ends of the cross plate are located in the U-shaped groove of the positioning sleeve. During operation, the positioning sleeve slides left and right along the cross plate, and the fastener on the side is tightened when it slides to the desired position, so as to fix the entire tool on the valve body.

[0012] Preferably, in any of the above solutions, the positioning sleeve includes a left positioning sleeve and a right positioning sleeve, the left positioning sleeve is locked on the left side of the cross plate through a left bolt; the right positioning sleeve is locked on the right side of the cross plate through a right bolt.

[0013] In summary, the top-mounted floating ball valve ball assembly fixture of this utility model has the following advantages: the clamping components enable better fixation of the ball during assembly, preventing displacement of the ball during assembly, ensuring smooth installation of the ball and the ball valve, preventing collisions and damage to components during assembly, maintaining the valve body's sealing performance after assembly, and increasing assembly efficiency more quickly.

[0014] Explanation of icon numbers

[0015] Horizontal plate 1, positioning sleeve 2, left positioning sleeve 21, right positioning sleeve 22, fastener 3, left bolt 31, right bolt 32, gasket 4, keyway fixing post gasket 41, flow channel fixing post gasket 42, adjusting nut 5, keyway fixing post adjusting nut 51, flow channel fixing post adjusting nut 52, keyway fixing post 6, flow channel fixing post 7, valve body 8. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a preferred embodiment of the ball assembly fixture for the top-mounted floating ball valve according to the present invention.

[0017] Figure 2 For the ball assembly fixture of the top-mounted floating ball valve according to this utility model Figure 1 The top view of the preferred embodiment is shown.

[0018] Figure 3 For the ball assembly fixture of the top-mounted floating ball valve according to this utility model Figure 1 The actual working assembly diagram of the preferred embodiment shown is illustrated. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] like Figure 1 , Figure 2 The diagram shown is a preferred embodiment of the top-mounted floating ball valve ball assembly fixture of this utility model. The purpose of this utility model is to provide a top-mounted floating ball valve ball assembly fixture, which includes a horizontal plate 1, a clamping assembly, and fasteners 3. Both ends of the horizontal plate 1 are movably connected to the clamping assembly, which consists of a pair of positioning sleeves 2. A keyway fixing post 6 is provided in the middle of the horizontal plate 1, and a flow channel fixing post 7 is provided at one end of the horizontal plate 1.

[0021] like Figure 3 As shown, in the ball assembly fixture of the top-mounted floating ball valve according to this utility model... Figure 1 The actual working assembly diagram of the preferred embodiment shown is illustrated.

[0022] When the valve body is assembled, the positioning sleeve 2 at both ends of the adjusting cross plate 1 clamps the tooling on the upper end of the valve body, the fastening member 3 is tightened, the adjusting nut 5 is screwed when the flow channel fixing column 7 contacts the upper wall of the ball cavity of the valve body and the end face of the key groove fixing column 6 abuts against the bottom of the key groove on the top of the ball, thereby fixing the ball in the valve body, and the installation of the ball is completed without collision and damage of the components in the assembly process, and the sealing performance of the valve body is not reduced after assembly.

[0023] In the embodiment, the cross plate 1 is a rectangular plate with threaded holes at one end and the middle part, the threaded holes at the end of the cross plate 1 cooperate with the flow channel fixing column 7, the threaded holes at the middle part of the cross plate 1 cooperate with the key groove fixing column 6, and the flow channel fixing column 7 and the key groove fixing column 6 are fixedly connected with the cross plate 1 through the adjusting nut 5. In operation, the key groove fixing column 6 and the flow channel fixing column 7 can be moved up and down by adjusting the adjusting nut 5, thereby fixing the ball in the valve body.

[0024] In the embodiment, the adjusting nut 5 includes a flow channel fixing column adjusting nut 52 and a key groove fixing column adjusting nut 51, the flow channel fixing column 7 is fixedly connected with the cross plate 1 through the flow channel fixing column adjusting nut 52, and the key groove fixing column 6 is fixedly connected with the cross plate 1 through the key groove fixing column adjusting nut 51.

[0025] In operation, the height of the flow channel fixing column 7 on the cross plate 1 is adjusted, and the flow channel fixing column adjusting nut 52 is screwed when the flow channel fixing column 7 contacts the upper wall of the ball cavity of the valve body, the height of the key groove fixing column 6 on the cross plate 1 is adjusted, and the key groove fixing column adjusting nut 51 is screwed when the end face of the key groove fixing column 6 abuts against the bottom of the key groove on the top of the ball, thereby fixing the ball in the valve body.

[0026] In the embodiment, the flow channel fixing column adjusting nut 52 is provided with a key groove fixing column gasket 41, thereby reducing the wear of the surface of the cross plate 1 by the nut, and the key groove fixing column adjusting nut 51 is provided with a flow channel fixing column gasket 42, thereby reducing the wear of the surface of the cross plate 1 by the nut.

[0027] In the embodiment, the positioning sleeve 2 is a U-shaped plate with a U-shaped groove in the inside, and the two ends of the cross plate 1 are located in the U-shaped groove of the positioning sleeve 2 (see Figure 2 In operation, the positioning sleeve 2 slides left and right along the cross plate 1, and the fastening member 3 on the side is tightened when it is slid to the required position, thereby fixing the entire tooling on the valve body.

[0028] In the embodiment, the positioning sleeve 2 includes a left positioning sleeve 21 and a right positioning sleeve 22, the left positioning sleeve 21 is locked on the left side of the cross plate 1 through a left bolt 31, and the right positioning sleeve 22 is locked on the right side of the cross plate 1 through a right bolt 32.

[0029] It is not difficult for those skilled in the art to understand that the top-mounted floating ball valve ball assembly tool of the utility model includes any combination of the parts in the specification. Limited to the length and in order to make the specification brief, these combinations are not introduced in detail one by one here, but after reading the specification, it is self-evident that the scope of the utility model formed by any combination of the parts in the specification.

Claims

1. A top-mounted floating ball valve ball assembly fixture, comprising a horizontal plate (1), a clamping assembly, and fasteners (3), characterized in that: The two ends of the horizontal plate (1) are movably connected to the clamping assembly, which is a pair of positioning sleeves (2); the middle part of the horizontal plate (1) is provided with a keyway fixing post (6); one end of the horizontal plate (1) is provided with a flow channel fixing post (7).

2. The top-mounted floating ball valve ball assembly fixture as described in claim 1, characterized in that: The horizontal plate (1) is a rectangular plate with threaded holes at one end and in the middle. The threaded hole at the end of the horizontal plate (1) is engaged with the flow channel fixing post (7); the threaded hole in the middle of the horizontal plate (1) is engaged with the keyway fixing post (6); the flow channel fixing post (7) and the keyway fixing post (6) are fixedly connected to the horizontal plate (1) by adjusting nut (5).

3. The top-mounted floating ball valve ball assembly fixture as described in claim 2, characterized in that: The adjusting nut (5) includes a flow channel fixing post adjusting nut (52) and a keyway fixing post adjusting nut (51); the flow channel fixing post (7) is fixedly connected to the horizontal plate (1) through the flow channel fixing post adjusting nut (52); the keyway fixing post (6) is fixedly connected to the horizontal plate (1) through the keyway fixing post adjusting nut (51).

4. The top-mounted floating ball valve ball assembly fixture as described in claim 3, characterized in that: The flow channel fixing post adjusting nut (52) is provided with a keyway fixing post gasket (41); the keyway fixing post adjusting nut (51) is provided with a flow channel fixing post gasket (42).

5. The top-mounted floating ball valve ball assembly fixture as described in claim 1, characterized in that: The positioning sleeve (2) is a U-shaped plate with a U-shaped groove inside, and the two ends of the horizontal plate (1) are located in the U-shaped groove of the positioning sleeve (2).

6. The top-mounted floating ball valve ball assembly fixture as described in claim 1 or 5, characterized in that: The positioning sleeve (2) includes a left positioning sleeve (21) and a right positioning sleeve (22). The left positioning sleeve (21) is locked to the left side of the horizontal plate (1) by a left bolt (31); the right positioning sleeve (22) is locked to the right side of the horizontal plate (1) by a right bolt (32).

Images