CN211693782U - Large-diameter forged steel ball valve convenient to disassemble - Google Patents

Abstract

The utility model discloses a large-diameter forged steel ball valve convenient to dismantle, which comprises a valve body, the bottom of valve body is equipped with the bed plate, flange joint has the nipple flange through the both ends of valve body, the upper portion of bed plate has the traction plate of two symmetric distributions along the axis direction sliding connection of valve body, the fixed layer board that is provided with of up end of traction plate, the waist buckle of layer board and nipple flange is connected. The utility model discloses in, through the traction plate of two symmetric distributions of sliding connection on the bed plate of valve body bottom, the welding has the layer board that supports nipple flange waist on the traction plate, demolishs the connecting bolt back of nipple flange and valve body from this, and the nipple flange of both sides is in steady state, conveniently hangs out single valve body from this, the dismantlement of the heavy-calibre ball valve of being convenient for.

Description

Large-diameter forged steel ball valve convenient to disassemble

Technical Field

The utility model relates to a forged steel ball valve technical field especially relates to a large-diameter forged steel ball valve convenient to dismantle.

Background

The working principle of the forged steel ball valve is that the valve is unblocked or blocked by rotating the valve rod, the full-bore ball valve and the ball valve switch are light and convenient, the valve is small in size, can be made into a large bore, is reliable in sealing, simple in structure and convenient to maintain, the sealing surface and the spherical surface are always in a closed state, the sealing surface is not easily eroded by a medium, the forged steel ball valve is widely applied in various industries and classified: low-pressure forged steel ball valve, high-pressure forged steel ball valve.

At present, to the forged steel ball valve of big pipe diameter, the bottom of ball valve sets up the base usually, the base is used for supporting, be equipped with two nipple flanges on the valve body, nipple flange and ball valve body pass through bolted connection, and constitute a complete ball valve, wherein, when needing to dismantle the forged steel ball valve of this kind of big pipe diameter, need demolish two nipple flanges, then can maintain the case position, however, because the forged steel ball valve of big pipe diameter is heavy, the nipple flange that both sides correspond when dismantling, need outside auxiliary device to carry out the auxiliary stay, for example, the loop wheel machine, dismantle the back that finishes, then hang out the valve body with the help of another loop wheel machine, lead to from this to dismantling inconveniently, moreover, narrow and small space between two nipple flanges and the valve body, it is big to dismantle the resistance.

Therefore, the utility model provides a big pipe diameter forged steel ball valve convenient to dismantle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the large-diameter forged steel ball valve convenient to disassemble is provided for solving the problem that the large-diameter forged steel ball valve is inconvenient to repair and disassemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a large-diameter forged steel ball valve convenient to dismantle, includes the valve body, the bottom of valve body is equipped with the bed plate, there is the nipple flange at the both ends of valve body through flange joint, the upper portion of bed plate has the traction plate of two symmetric distributions along the axis direction sliding connection of valve body, the fixed layer board that is provided with of up end of traction plate, the waist buckle of layer board and nipple flange is connected, the fixed actuating mechanism who connects two traction plate bottoms that is provided with of up end of bed plate.

As a further description of the above technical solution:

the driving mechanism comprises a groove-shaped plate, a lead screw, two connecting sleeves and a driving motor, wherein the lead screw is rotatably connected between two opposite side walls of the groove-shaped plate, the two connecting sleeves are sleeved on the lead screw in a screwing mode, the driving motor is fixedly arranged on the outer side of the groove-shaped plate, and the tops of the two connecting sleeves are correspondingly fixedly connected with the two traction plates.

As a further description of the above technical solution:

the screw rod is provided with two sections of threads with opposite rotating directions.

As a further description of the above technical solution:

the top of layer board has seted up U type draw-in groove, the up end welding of bed plate has the backup pad of contacting bottom the valve body, the welding of bottom of valve body has the circular arc board that passes through bolted connection with the backup pad.

As a further description of the above technical solution:

the middle part of the supporting plate is penetrated through a sliding sleeve which is welded and is in sliding fit with the traction plate.

As a further description of the above technical solution:

and the outer side of the supporting plate is vertically welded with a limiting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the traction plate of two symmetric distributions of sliding connection on the bed plate of valve body bottom, the welding has the layer board that supports nipple flange waist on the traction plate, demolishs the connecting bolt back of nipple flange and valve body from this, and the nipple flange of both sides is in steady state, conveniently hangs out single valve body from this, the dismantlement of the heavy-calibre ball valve of being convenient for.

2. The utility model discloses in, set up actuating mechanism on the bed plate, actuating mechanism includes the slot type board, rotate the lead screw of connecting between two relative lateral walls of slot type board, close the cover soon and establish two adapter sleeves on the lead screw and fix the driving motor who sets up in the slot type board outside, two adapter sleeve tops correspond and two traction plate fixed connection, driving motor's output shaft and the one end fixed connection of lead screw, can drive two adapter sleeve motions of lead screw rotation control from this, and then drive two traction plate slides, be convenient for increase short-circuit pipe flange and the clearance between the valve body, and convenient for operation.

Drawings

FIG. 1 shows a schematic structural diagram of a forged steel ball valve provided according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating the cooperation of the driving mechanism and the traction plate according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a right side view of one of the traction plates according to an embodiment of the present invention.

Illustration of the drawings:

1. a valve body; 11. a base plate; 111. a support plate; 1111. a sliding sleeve; 12. a nipple flange; 13. a circular arc plate; 2. a traction plate; 21. a support plate; 211. a U-shaped clamping groove; 212. a limiting plate; 3. a drive mechanism; 31. a trough plate; 32. a lead screw; 33. connecting sleeves; 34. the motor is driven.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a large-diameter forged steel ball valve convenient to disassemble comprises a valve body 1, wherein a base plate 11 is arranged at the bottom of the valve body 1, the base plate 11 is used for supporting the valve body 1, two ends of the valve body 1 are connected with nipple flanges 12 through flanges, the two nipple flanges 12 and the valve body 1 form a complete valve which is simultaneously used for being connected with an external pipeline through the flanges, in the technical scheme, the upper part of the base plate 11 is connected with two symmetrically-distributed traction plates 2 in a sliding mode along the axial direction of the valve body 1, the upper end face of each traction plate 2 is fixedly provided with a supporting plate 21, the supporting plate 21 is connected with the waist part of the nipple flange 12 in a buckling mode, namely, the two nipple flanges 12 are supported and fixed through the corresponding two supporting plates 21, the upper end face of the base plate 11 is fixedly provided with a driving mechanism 3 connected with the bottoms of the two traction plates 2, and the driving the two traction plates 2 to move oppositely or reversely and, for example, after the bolts connecting the nipple flanges 12 and the valve body 1 are removed, the whole valve body 1 can be taken out, the top of the valve body 1 can be provided with a hanging ring, and the nipple flanges 12 positioned at the two sides are in a stable state under the fixation of the two support plates 21.

Specifically, as shown in fig. 2, the driving mechanism 3 includes a trough plate 31, a screw 32 rotatably connected between two opposite side walls of the trough plate 31, two connecting sleeves 33 rotatably sleeved on the screw 32, and a driving motor 34 fixedly disposed outside the trough plate 31, tops of the two connecting sleeves 33 are correspondingly and fixedly connected with the two traction plates 2, and an output shaft of the driving motor 34 is fixedly connected with one end of the screw 32, so that the screw 32 can be driven to rotate to control the two connecting sleeves 33 to move, and further to drive the two traction plates 2 to slide, further, the screw 32 is provided with two threads with opposite rotation directions, and the screw 32 rotates in a forward direction or a reverse direction, and can drive the two connecting sleeves 33 to move in a counter-direction or a reverse-direction synchronously.

Specifically, as shown in fig. 1 and 3, U-shaped clamping groove 211 has been seted up at the top of layer board 21, can be connected with the waist joint of nipple flange 12 through setting up U-shaped clamping groove 211, the up end welding of bed plate 11 has the backup pad 111 with the contact of 1 bottom of valve body, the arcwall face can be seted up at the top of backup pad 111 and be used for lifting valve body 1, the welding of the bottom of valve body 1 has arc plate 13 through bolted connection with backup pad 111, can set up the connecting hole in one side of backup pad 111 and arc plate 13, be used for bolted connection, be convenient for valve body 1 and bed plate 11 can dismantle the connection.

Specifically, as shown in fig. 1, the middle part of the support plate 111 is welded with a sliding sleeve 1111 which is in sliding fit with the traction plate 2, so that the structure is simplified, and the manufacturing cost is reduced.

Specifically, as shown in fig. 1 and 3, a limiting plate 212 is vertically welded to the outer side of the supporting plate 21, and when the nipple flange 12 is connected to an external pipeline, the connection end of the external pipeline can be placed on the limiting plate 212, so that the effect of assisting in butt joint is achieved.

The working principle is as follows: during the use, pass through external power source and control box with driving motor 34 through the electric wire switch-on, when needing to dismantle valve body 1, at first use the spanner to demolish the connecting bolt between nipple flange 12 and the valve body 1, then demolish the bolt of joint support board 111 and arc plate 13, control driving motor 34 to start this moment and drive lead screw 32 and rotate, can drive two traction plates 2 reverse motion from this, layer board 21 is when lifting nipple flange 12, drive it and keep away from valve body 1, from this there is the clearance between valve body 1 and the nipple flange 12, at this moment, can adopt the equipment of lifting by crane to lift valve body 1 upwards, can realize dismantling.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a large-diameter forged steel ball valve convenient to dismantle, includes valve body (1), the bottom of valve body (1) is equipped with bed plate (11), there are nipple flange (12) at the both ends of valve body (1) through flange joint, a serial communication port, there are two symmetric distribution's traction plate (2) on the upper portion of bed plate (11) along the axis direction sliding connection of valve body (1), the fixed layer board (21) that is provided with of up end of traction plate (2), the waist buckle of layer board (21) and nipple flange (12) is connected, the fixed actuating mechanism (3) that are connected two traction plate (2) bottoms that are provided with of up end of bed plate (11).

2. The large-diameter forged steel ball valve convenient to disassemble and assemble as claimed in claim 1, wherein said driving mechanism (3) comprises a slotted plate (31), a lead screw (32) rotatably connected between two opposite side walls of the slotted plate (31), two connecting sleeves (33) rotatably sleeved on the lead screw (32), and a driving motor (34) fixedly arranged outside the slotted plate (31), the tops of the two connecting sleeves (33) are correspondingly fixedly connected with the two traction plates (2).

3. The easy-to-disassemble large-diameter forged steel ball valve as claimed in claim 2, wherein the lead screw (32) is provided with two sections of threads with opposite turning directions.

4. The large-diameter forged steel ball valve convenient to disassemble and assemble as claimed in claim 1, wherein a U-shaped clamping groove (211) is formed in the top of the supporting plate (21), a supporting plate (111) contacting with the bottom of the valve body (1) is welded on the upper end face of the base plate (11), and an arc plate (13) connected with the supporting plate (111) through a bolt is welded on the bottom of the valve body (1).

5. A large diameter forged steel ball valve convenient to disassemble according to claim 4, wherein the middle part of the support plate (111) is penetrated through a sliding sleeve (1111) welded and sliding fitted with the traction plate (2).

6. The easy-to-disassemble large-diameter forged steel ball valve as claimed in claim 1, wherein a limiting plate (212) is welded vertically to the outer side of the supporting plate (21).

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