Dismounting device for valve head of double-seat valve

Abstract

The utility model relates to the field of double-seat valves, in particular to a dismounting device for a valve head of a double-seat valve. The technical problem that in the maintenance process of the double-seat valve, due to the fact that the double-seat valve is mostly installed in a dense pipeline, a valve head bolt located at the bottom end is difficult to disassemble due to the fact that the operation space is small, and then the maintenance efficiency of the whole double-seat valve is affected is solved. According to the technical scheme, the dismounting device for the valve head of the double-seat valve comprises a support assembly, a rotating arm assembly, a top strip assembly, a clamping assembly, a displacement assembly, a dismounting assembly and a double-seat valve body. The special rotating dismounting structure is arranged to replace original manual dismounting, so that the bolts at the bottom end of the valve head of the double-seat valve can be rapidly dismounted, and the problem that in the maintenance process of the double-seat valve, due to the fact that the double-seat valve is additionally installed in a dense pipeline, the maintenance cost of the double-seat valve is greatly reduced can be solved to a certain extent. And the valve head bolt located at the bottom end is difficult to disassemble due to the fact that the operation space is small.

Description

Technical Field

[0001] The utility model relates to the field of double-seat valves, in particular to a disassembly device for a valve head of a double-seat valve. Background Art

[0002] The double-seat regulating valve is the execution unit of the instrument in the automatic control system. It adopts a double-number guide structure and is equipped with a multi-spring actuator. It has the advantages of compact structure, light weight, sensitive action, large valve capacity, accurate flow characteristics, and convenient disassembly and assembly. It is widely used to accurately control the process parameters of gas, liquid, steam and other media such as pressure, flow, temperature, and liquid level to maintain them at a given value. It is particularly suitable for occasions with large pressure difference, large allowable leakage and not very clean media. The existing double-seat regulating valve often needs to disassemble the valve head of the double-seat regulating valve after using it for a period of time, so that the staff can repair it. However, when disassembling the existing double-seat valve, because it is mostly installed on dense pipelines, users often find it difficult to disassemble the valve head bolts close to the valve head of the double-seat valve due to the small operating space, which can easily affect the maintenance efficiency of the entire double-seat valve. Utility Model Content

[0003] In order to overcome the problem that during the maintenance of the double-seat valve, because the double-seat valve is mostly installed in dense pipelines, it is very easy to make it difficult to remove the valve head bolts at the bottom due to the small operating space, thus affecting the maintenance efficiency of the entire double-seat valve.

[0004] The technical solution of the utility model is: a disassembly device for a double-seat valve head, comprising a bracket assembly, a rotating arm assembly, a top strip assembly, a clamping assembly, a displacement assembly, a disassembly assembly and a double-seat valve body; the rear end of the double-seat valve body is provided with a bracket assembly; the upper end of the bracket assembly is provided with a rotating arm assembly; the upper end of the rotating arm assembly is provided with a top strip assembly; the lower end of the top strip assembly is provided with a clamping assembly; the lower end of the bracket assembly is installed with a disassembly assembly; the upper end of the disassembly assembly is provided with a displacement assembly.

[0005] Preferably, the entire double-seat valve body is supported by a bracket assembly, the two sides of the double-seat valve body are fixed by a swivel arm assembly, the clamping assembly is fixed by the setting of a top bar assembly, the upper end of the double-seat valve body is fixed by the clamping assembly, the position of the disassembly assembly is adjusted by the displacement assembly, and the rapid disassembly of the valve head bolts of the double-seat valve body is achieved by the setting of the disassembly assembly.

[0006] Preferably, the bracket assembly includes a fixing frame, reinforcing ribs and moving wheels; the reinforcing ribs are fixed to the fixing frame; and the moving wheels are installed on the lower end surface of the fixing frame, and the setting of the moving wheels can assist the movement of the disassembly device.

[0007] Preferably, the swivel arm assembly includes a fixed plate, a connecting column, a locking nut, a swivel arm and a clamping plate; two fixed plates are provided at the upper end of the fixed frame; a connecting column is provided between the two fixed plates; the connecting column is configured as a threaded column; a swivel arm is provided on the outer side of the connecting column; a locking nut is provided at the upper and lower ends of the swivel arm; a clamping plate is installed on the swivel arm, and the swivel arm and the clamping plate can be used to quickly fix the two ends of the double-seat valve body.

[0008] Preferably, the top strip assembly includes a connecting strip, a positioning hole and a fixing strip; the connecting strip is fixedly connected to the upper end of the fixing plate; a plurality of positioning holes are provided on the connecting strip; a fixing strip is provided on the outer side of the connecting strip, and the position of the fixing strip on the connecting strip can be adjusted by setting the positioning holes.

[0009] Preferably, the clamping assembly includes a telescopic sleeve, a telescopic strip and a clamping plate; the telescopic sleeve is installed on the upper end of the fixed strip; the telescopic strip is arranged on the inner side of the telescopic sleeve; the clamping plate is fixedly connected to one side of the telescopic strip, and the position of the clamping plate can be adjusted by setting the telescopic sleeve and the telescopic strip.

[0010] Preferably, the displacement assembly includes a mounting frame, a guide rod and an electric push rod; the mounting frame is mounted on the reinforcing rib; the guide rod is slidably connected to the mounting frame; an electric push rod is provided on both sides of the guide rod, and the disassembly assembly can be driven by the electric push rod to adjust the position.

[0011] Preferably, the disassembly assembly includes an electric slide, an electric slider, a fixed block, a rotating block, a disassembly head and a driving motor; the electric slide is installed at the lower end of the electric push rod; the inner side of the electric slide is electrically connected to the electric slider; the fixed block is fixedly connected to the electric slider; the rotating block is rotatably connected to the fixed block; the driving motor is installed at the lower end of the rotating block; the upper end of the driving motor is rotatably connected to the disassembly head via a rotating shaft; a nut slot is provided on the disassembly head, and the position of the disassembly head can be adjusted through the electrically connected electric slide and electric slider.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting up a special rotating disassembly structure to replace the original manual disassembly, the bottom bolts of the double-seat valve head can be quickly disassembled, which can solve the problem that during the maintenance of the double-seat valve, the double-seat valve is often installed in dense pipelines, and it is very easy to be difficult to disassemble the valve head bolts at the bottom due to the small operating space, thus affecting the maintenance efficiency of the entire double-seat valve;

[0014] 2. The fixed block is driven to rotate through the electrically connected electric slide and electric slider, and the position of the disassembly head is realized by rotating the connected fixed block and the rotating block, thereby realizing the rapid disassembly of multiple valve head bolts. At the same time, the disassembly head is driven to rotate by the driving motor, which can also accelerate the disassembly efficiency of the valve head bolts, thereby greatly improving the working efficiency of the entire disassembly device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the installation of a disassembly device for a double-seat valve head of the utility model;

[0016] Figure 2 The first three-dimensional structure schematic diagram of the disassembly device of the double-seat valve head of the utility model is shown;

[0017] Figure 3 The second three-dimensional structure schematic diagram of the disassembly device of the double-seat valve head of the utility model is shown;

[0018] Figure 4 Shown is a partial enlarged view of location A of the disassembly device of the double-seat valve head of the utility model.

[0019] Explanation of the accompanying drawings: 1. bracket assembly; 2. rotating arm assembly; 3. top strip assembly; 4. clamping assembly; 5. displacement assembly; 6. disassembly assembly; 7. double-seat valve body; 101. fixed frame; 102. reinforcing rib; 103. moving wheel; 201. fixed plate; 202. connecting column; 203. locking nut; 204. rotating arm; 205. clamping plate; 301. connecting strip; 302. positioning hole; 303. fixing strip; 401. telescopic sleeve; 402. telescopic strip; 403. clamping plate; 501. mounting frame; 502. guide rod; 503. electric push rod; 601. electric slide; 602. electric slider; 603. fixed block; 604. rotating block; 605. disassembly head; 606. driving motor. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-2The utility model provides an embodiment: a disassembly device for a double-seat valve head, comprising a support assembly 1, a rotating arm assembly 2, a top bar assembly 3, a clamping assembly 4, a displacement assembly 5, a disassembly assembly 6 and a double-seat valve body 7; the rear end of the double-seat valve body 7 is provided with the support assembly 1; the upper end of the support assembly 1 is provided with the rotating arm assembly 2; the upper end of the rotating arm assembly 2 is provided with the top bar assembly 3; the lower end of the top bar assembly 3 is provided with the clamping assembly 4; the lower end of the support assembly 1 is installed with the disassembly assembly 6; the upper end of the disassembly assembly 6 is provided with the displacement assembly 5 The bracket assembly 1 includes a fixing frame 101, a reinforcing rib 102 and a moving wheel 103; the reinforcing rib 102 is fixedly connected to the fixing frame 101; the moving wheel 103 is installed on the lower end surface of the fixing frame 101, and the setting of the moving wheel 103 can assist the movement of the disassembly device, and the rotating arm assembly 2 includes a fixing plate 201, a connecting column 202, a locking nut 203, a rotating arm 204 and a clamping plate 205; two fixing plates 201 are arranged at the upper end of the fixing frame 101; a connecting column is arranged between the two fixing plates 201 202; the connecting column 202 is set as a threaded column; a rotating arm 204 is set on the outer side of the connecting column 202; a locking nut 203 is set at the upper and lower ends of the rotating arm 204; a clamping piece 205 is installed on the rotating arm 204, and the two ends of the double-seat valve body 7 can be quickly fixed by setting the rotating arm 204 and the clamping piece 205. The clamping assembly 4 includes a telescopic sleeve 401, a telescopic strip 402 and a clamping plate 403; the upper end of the fixing strip 303 is installed with a telescopic sleeve 401; the inner side of the telescopic sleeve 401 is provided with a telescopic The telescopic strip 402; a clamping plate 403 is fixedly connected to one side of the telescopic strip 402, and the position of the clamping plate 403 can be adjusted by setting the telescopic sleeve 401 and the telescopic strip 402. The displacement component 5 includes a mounting frame 501, a guide rod 502 and an electric push rod 503; the mounting frame 501 is mounted on the reinforcing rib 102; the guide rod 502 is slidably connected to the mounting frame 501; an electric push rod 503 is arranged on both sides of the guide rod 502, and the disassembly component 6 can be driven by the electric push rod 503 to adjust the position.

[0022] See also Figure 3-4In this embodiment, the top bar assembly 3 includes a connecting bar 301, a positioning hole 302 and a fixing bar 303; the upper end of the fixing plate 201 is fixedly connected with the connecting bar 301; a plurality of positioning holes 302 are provided on the connecting bar 301; a fixing bar 303 is provided on the outer side of the connecting bar 301, and the position of the fixing bar 303 on the connecting bar 301 can be adjusted by setting the positioning holes 302. The disassembly assembly 6 includes an electric slide 601, an electric slider 602, a fixing block 603, a rotating block 604, a disassembly head 605 and a driving motor 606 ; An electric slide 601 is installed at the lower end of the electric push rod 503; the inner side of the electric slide 601 is electrically connected to the electric slider 602; a fixed block 603 is fixedly connected to the electric slider 602; a rotating block 604 is rotatably connected to the fixed block 603; a driving motor 606 is installed at the lower end of the rotating block 604; the upper end of the driving motor 606 is rotatably connected to a disassembly head 605 via a rotating shaft; a nut groove is provided on the disassembly head 605, and the position of the disassembly head 605 can be adjusted through the electrically connected electric slide 601 and the electric slider 602.

[0023] When working, the entire disassembly device is moved by moving the wheel 103. After confirming that the movement is completed, the fixing strip 303 is clamped on the valve head of the double-seat valve. At the same time, the bolts on the telescopic strip 402 are adjusted so that the clamping plate 403 can be clamped on both sides of the valve head, and the rotating arm 204 is rotated by rotating the locking nut 203, so that the clamping piece 205 on the rotating arm 204 can be clamped on both sides of the valve head of the double-seat valve, so as to realize the rapid installation of the disassembly device.

[0024] Then, the fixed block 603 is driven to rotate through the electrically connected electric slide 601 and the electric slider 602, and the position of the disassembly head 605 is achieved by rotating the connected fixed block 603 and the rotating block 604, and then the disassembly head 605 is driven to rotate by the driving motor 606, so as to realize the rapid disassembly of multiple valve head bolts. After confirming that the disassembly is completed, the entire valve head can be disassembled from the double-seat valve to realize the use of the disassembly device.

[0025] Through the above steps, a special rotating disassembly structure is set to replace the original manual disassembly, so as to realize the rapid disassembly of the bottom end bolts of the double-seat valve head, thereby solving the problem that in the process of double-seat valve maintenance, the double-seat valves are often installed in dense pipelines, and it is very easy to use The small operating space makes it difficult to disassemble the valve head bolts at the bottom, thereby affecting the maintenance efficiency of the entire double-seat valve. At the same time, the entire double-seat valve body 7 can be supported by the bracket assembly 1, the two sides of the double-seat valve body 7 are fixed by the swing arm assembly 2, the clamping assembly 4 is fixed by the setting of the top strip assembly 3, and the upper end of the double-seat valve body 7 is fixed by the clamping assembly 4, the position of the disassembly assembly 6 is adjusted by the displacement assembly 5, and the rapid disassembly of the valve head bolts of the double-seat valve body 7 is achieved by the setting of the disassembly assembly 6.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A disassembly device for a double-seat valve head, comprising a bracket assembly (1); characterized in that: It also comprises a rotating arm assembly (2), a top bar assembly (3), a clamping assembly (4), a displacement assembly (5), a disassembly assembly (6) and a double-seat valve body (7); a support assembly (1) is arranged at the rear end of the double-seat valve body (7); a rotating arm assembly (2) is arranged at the upper end of the support assembly (1); a top bar assembly (3) is arranged at the upper end of the rotating arm assembly (2); a clamping assembly (4) is arranged at the lower end of the top bar assembly (3); a disassembly assembly (6) is installed at the lower end of the support assembly (1); and a displacement assembly (5) is arranged at the upper end of the disassembly assembly (6).

2. A double seat valve head disassembly device according to claim 1, characterized in that: The support assembly (1) comprises a fixing frame (101), a reinforcing rib (102) and a moving wheel (103); the reinforcing rib (102) is fixedly connected to the fixing frame (101); and the moving wheel (103) is installed on the lower end surface of the fixing frame (101).

3. A disassembly device for a double seat valve head according to claim 2, characterized in that: The rotating arm assembly (2) comprises a fixing plate (201), a connecting column (202), a locking nut (203), a rotating arm (204) and a clamping plate (205); two fixing plates (201) are arranged at the upper end of the fixing frame (101); a connecting column (202) is arranged between the two fixing plates (201); the connecting column (202) is arranged as a threaded column; a rotating arm (204) is arranged outside the connecting column (202); a locking nut (203) is arranged at the upper and lower ends of the rotating arm (204); and a clamping plate (205) is installed on the rotating arm (204).

4. A disassembly device for a double seat valve head according to claim 3, characterized in that: The top bar assembly (3) comprises a connecting bar (301), a positioning hole (302) and a fixing bar (303); the upper end of the fixing plate (201) is fixedly connected to the connecting bar (301); a plurality of positioning holes (302) are provided on the connecting bar (301); and the fixing bar (303) is provided on the outer side of the connecting bar (301).

5. A disassembly device for a double seat valve head according to claim 4, characterized in that: The clamping assembly (4) comprises a telescopic sleeve (401), a telescopic strip (402) and a clamping plate (403); the telescopic sleeve (401) is installed on the upper end of the fixed strip (303); the telescopic strip (402) is arranged on the inner side of the telescopic sleeve (401); and the clamping plate (403) is fixedly connected to one side of the telescopic strip (402).

6. The disassembly device for a double seat valve head according to claim 2, characterized in that: The displacement assembly (5) comprises a mounting frame (501), a guide rod (502) and an electric push rod (503); the mounting frame (501) is mounted on the reinforcing rib (102); the guide rod (502) is slidably connected to the mounting frame (501); and an electric push rod (503) is disposed on both sides of the guide rod (502).

7. A disassembly device for a double seat valve head according to claim 6, characterized in that: The disassembly assembly (6) comprises an electric slideway (601), an electric slider (602), a fixed block (603), a rotating block (604), a disassembly head (605) and a driving motor (606); the electric slideway (601) is installed at the lower end of the electric push rod (503); the inner side of the electric slideway (601) is electrically connected to the electric slider (602); the fixed block (603) is fixedly connected to the electric slider (602); the rotating block (604) is rotatably connected to the fixed block (603); the driving motor (606) is installed at the lower end of the rotating block (604); the upper end of the driving motor (606) is rotatably connected to the disassembly head (605) via a rotating shaft; and a nut groove is provided on the disassembly head (605).

Images