Visual gate valve opening and closing monitoring device

Abstract

The utility model discloses a visual gate valve opening and closing monitoring device which comprises a frame body, a gate plate is arranged in the frame body, the visual gate valve opening and closing monitoring device further comprises an auxiliary device, and the auxiliary device is arranged outside the frame body. The assembling device is arranged outside the frame body; the driving device is arranged outside the frame body; wherein the auxiliary device is used. The utility model relates to the technical field of gate valves, in particular to a visual gate valve opening and closing monitoring device which achieves visual monitoring of the opening and closing position of a gate through cooperation of a transverse plate, a mounting plate, a stand column, scale marks, a pointer and a fixing part, and solves the problems that when an existing gate valve is subjected to opening and closing monitoring, a worker needs to stop rotating a hand wheel, and the working efficiency is high. The problem that the use effect of an existing gate valve is reduced due to the fact that the opening and closing position of the gate valve is monitored by observing the position of the gate valve in the prior art is troublesome and cannot be observed directly in the opening and closing monitoring process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gate valve, concretely is a visual gate valve opening and closing monitoring device. BACKGROUND

[0002] The gate valve is a kind of valve widely used in pipeline, its core function is to regulate the flow of fluid by the up and down movement of gate, and this valve is suitable for the occasion needing fine flow control or completely cutting off medium flow with the advantages of simple structure, strong sealing and small flow resistance.

[0003] The existing gate valve is used, and staff rotates hand wheel in positive and negative directions, so that the gate valve rises or falls in the frame body, to adjust the flow of fluid.

[0004] However, the existing gate valve is monitored when opening and closing, staff needs to stop rotating hand wheel, then observes the position of gate valve, to monitor the position of gate valve opening and closing, it is troublesome in the process of opening and closing monitoring, cannot be directly observed, thereby the use effect of existing gate valve is reduced. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides a visual gate valve opening and closing monitoring device, solves the problem that staff needs to stop rotating hand wheel, then observes the position of gate valve, to monitor the position of gate valve opening and closing when the existing gate valve is monitored when opening and closing, it is troublesome in the process of opening and closing monitoring, cannot be directly observed, thereby the use effect of existing gate valve is reduced.

[0006] To realize the above-mentioned purpose, the utility model is realized by the following technical schemes: a visual gate valve opening and closing monitoring device, including frame body, the inside of frame body is provided with gate, visual gate valve opening and closing monitoring device still includes auxiliary device, and auxiliary device is set up at the outside of frame body;Assembly device is set up at the outside of frame body;Drive device is set up at the outside of frame body;Wherein, staff directly observes the opening and closing degree of gate through auxiliary device, assembles drive device through assembly device, and makes gate move through drive device.

[0007] Preferably, the auxiliary device includes a horizontal plate, the horizontal plate is arranged above the frame body, an installation plate is attached to the surface of the horizontal plate, a vertical column is fixedly connected to one side of the installation plate close to the horizontal plate, and penetrates the inside of the horizontal plate and the inside of the frame body, and is movably connected with the horizontal plate and the frame body, a scale line is provided on the front surface of the vertical column, a pointer is fixedly connected to one side of the frame body close to the vertical column, a fixed part is provided in the inside of the installation plate, wherein the gate moves to drive the horizontal plate to move, so that the vertical column moves in the horizontal plate and the frame body, and further drives the scale line to move, the opening and closing position of the gate is observed by the pointer, and the vertical column is fixed by the fixed part.

[0008] Preferably, the fixing part comprises a counterbore, the counterbore is arranged on the surface of the mounting plate; a threaded hole is arranged on the inner wall of the horizontal plate; a bolt is threadedly connected to the inner wall of the mounting plate and the inner wall of the threaded hole respectively, and is attached to the inner wall of the counterbore; wherein the bolt is rotated into the threaded hole to fix the mounting plate to the horizontal plate, and the bolt is rotated into the counterbore.

[0009] Preferably, the assembling device comprises a vertical column, the vertical column is arranged on the top of the frame; an outer shell is arranged on the outside of the frame; a screw rod is rotatably connected to the inner wall of the outer shell through a bearing; a handle is fixedly connected to the starting end of the screw rod; a plug column is threadedly connected to the outer wall of the screw rod and is inserted into the inner wall of the vertical column; a sliding block is fixedly connected to the bottom of the plug column and is slidingly connected to the inner wall of the outer shell; wherein the screw rod drives the plug column to move under the drive of the handle, and finally the plug column is inserted into the vertical column to assemble the drive device.

[0010] Preferably, the drive device comprises a threaded sleeve, the threaded sleeve is fixedly connected to the top of the frame; a screw column is threadedly connected to the inner wall of the threaded sleeve, and the top is rotatably connected to the inner wall of the horizontal plate through a bearing; a hand wheel is arranged on the top of the screw column and is fixedly connected to the top of the vertical column and the outer wall of the outer shell; a connecting block is rotatably connected to the bottom of the screw column through a bearing and is fixedly connected to the top of the gate plate; guide parts are arranged on both sides of the gate plate; wherein the connecting block drives the gate plate to move under the drive of the hand wheel of the screw column, so that the gate plate is opened and closed, and the guide parts guide the gate plate.

[0011] Preferably, the guide part comprises a slide, the slide is arranged on both sides of the frame; pulleys are arranged on both sides of the gate plate and are attached to the inner wall of the slide; wherein the pulleys move in the slide under the drive of the gate plate to guide the gate plate.

[0012] Advantages

[0013] The utility model provides a visual gate valve opening and closing monitoring device. Have the following advantages: the visual gate valve opening and closing monitoring device, through the cooperation of horizontal plate, mounting plate, stand, scale line, pointer and fixed part, realize the opening and closing position of visual monitoring gate, solved the existing gate valve when opening and closing monitoring, staff need to stop rotating hand wheel, then observe the position of gate valve, monitor the opening and closing position of gate valve, lead to in the process of opening and closing monitoring, it is more troublesome, can not directly observe, thereby reduced the existing gate valve use effect problem.

[0014] Through the cooperation of vertical column, outer shell, screw rod, handle, plug column, sliding block and sliding block, it realizes preventing other personnel to rotate the drive device, solves the problem that when the staff rotates the drive device, the hand wheel in the drive device is still on the screw column, at this moment, the external personnel may accidentally touch the hand wheel, leading to the position of the gate plate changes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the appearance of the present utility model;

[0017] Figure 3 for Figure 1 A structural diagram of the mounting plate, column, and pointer;

[0018] Figure 4 for Figure 3 A schematic diagram of the screw, column, and handwheel in the diagram.

[0019] In the diagram: 1. Frame; 2. Gate; 3. Drive unit; 31. Handwheel; 32. Stud; 33. Threaded sleeve; 34. Connecting block; 35. Guide part; 351. Pulley; 352. Slide rail; 4. Auxiliary device; 41. Horizontal plate; 42. Mounting plate; 43. Column; 44. Scale line; 45. Pointer; 46. Fixing part; 461. Countersunk hole; 462. Bolt; 463. Threaded hole; 5. Assembly device; 51. Housing; 52. Screw; 53. Handle; 54. Insert post; 55. Slider; 56. Vertical column. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] When monitoring the opening and closing of existing gate valves, operators need to stop turning the handwheel and observe the position of the gate valve. This makes the monitoring process cumbersome and prevents direct observation, thus reducing the effectiveness of existing gate valves.

[0022] In view of this, the present invention provides a visual gate valve opening and closing monitoring device, which solves the problem of visually monitoring the opening and closing position of the gate valve by coordinating the horizontal plate, mounting plate, column, scale line, pointer and fixing part. It solves the problem that when monitoring the opening and closing of the existing gate valve, the operator needs to stop turning the handwheel and then observe the position of the gate valve to monitor the opening and closing position, which is relatively troublesome and cannot be directly observed, thus reducing the use effect of the existing gate valve.

[0023] By the person skilled in the art, the parts in the case are connected in turn, and the specific connection and operation sequence should be referred to the working principle, and the detailed connection means is the known technology in the art, and the working principle and process are mainly introduced below.

[0024] Embodiment one: by Figures 1-4 It can be known that the visual gate valve opening and closing monitoring device comprises a frame body 1, a gate 2 is arranged in the frame body 1, a sealing gasket is arranged between the frame body 1 and the gate 2, so as to improve the sealing property between the frame body 1 and the gate 2, the visual gate valve opening and closing monitoring device further comprises an auxiliary device 4, an assembling device 5 and a driving device 3, the auxiliary device 4 is arranged outside the frame body 1; the assembling device 5 is arranged outside the frame body 1; the driving device 3 is arranged outside the frame body 1; when the gate 2 needs to be opened and closed, the workers assemble the driving device 3 together through the assembling device 5, then the workers move the gate 2 through the driving device 3, so that the auxiliary device 4 moves, and the workers observe the opening and closing state of the gate 2 through the auxiliary device 4, wherein the workers can directly observe the opening and closing degree of the gate 2 through the auxiliary device 4, the driving device 3 is assembled through the assembling device 5, and the gate 2 is moved through the driving device 3;

[0025] In the specific implementation process, it is particularly worth pointing out that the sealing gasket is arranged between the frame body 1 and the gate 2, so as to improve the sealing property between the frame body 1 and the gate 2, when the gate 2 needs to be opened and closed, the workers assemble the driving device 3 together through the assembling device 5, then the workers move the gate 2 through the driving device 3, so that the auxiliary device 4 moves, and the workers observe the opening and closing state of the gate 2 through the auxiliary device 4;

[0026] Specifically, the sealing gasket is arranged between the frame body 1 and the gate 2, so as to improve the sealing property between the frame body 1 and the gate 2, when the gate 2 needs to be opened and closed, the workers assemble the driving device 3 together through the assembling device 5, then the workers move the gate 2 through the driving device 3, so that the auxiliary device 4 moves, and the workers observe the opening and closing state of the gate 2 through the auxiliary device 4.

[0027] Embodiment two: by Figures 1-4It can be known that the auxiliary device 4 comprises a horizontal plate 41, a mounting plate 42, a stand 43, a scale line 44, a pointer 45 and a fixing part 46. Firstly, the staff moves the mounting plate 42, the mounting plate 42 drives the stand 43 to move, the stand 43 drives the scale line 44 to move, the stand 43 is sequentially inserted into the horizontal plate 41 and the frame 1, finally the mounting plate 42 is attached to the horizontal plate 41, the mounting plate 42 is fixed by the fixing part 46, the horizontal plate 41 is arranged above the frame 1; the mounting plate 42 is attached to the surface of the horizontal plate 41; when the gate 2 is opened and closed, the driving device 3 drives the horizontal plate 41 to move, the horizontal plate 41 drives the mounting plate 42 to move, thereby driving the fixing part 46 to move, the mounting plate 42 drives the stand 43 to move, the stand 43 is fixedly connected to the side of the mounting plate 42 close to the horizontal plate 41, and respectively penetrates the inside of the horizontal plate 41 and the inside of the frame 1, and is movably connected with the horizontal plate 41 and the frame 1; the stand 43 is positioned in the horizontal plate 41 and the frame 1, the scale line 44 is arranged on the front surface of the stand 43; the pointer 45 is fixedly connected to the side of the frame 1 above close to the stand 43; the stand 43 drives the scale line 44 to move, at this time the staff monitors the opening and closing position of the gate 2 by observing the position of the pointer 45 on the scale line 44, the fixing part 46 is arranged in the inside of the mounting plate 42; wherein the gate 2 moves to drive the horizontal plate 41 to move, thereby making the stand 43 move in the horizontal plate 41 and the frame 1, and further driving the scale line 44 to move, the opening and closing position of the gate 2 is observed by the pointer 45, the stand 43 is fixed by the fixing part 46;

[0028] In the specific implementation process, it is particularly worth pointing out that firstly, the staff moves the mounting plate 42, the mounting plate 42 drives the stand 43 to move, the stand 43 drives the scale line 44 to move, the stand 43 is sequentially inserted into the horizontal plate 41 and the frame 1, finally the mounting plate 42 is attached to the horizontal plate 41, the mounting plate 42 is fixed by the fixing part 46, when the gate 2 is opened and closed, the driving device 3 drives the horizontal plate 41 to move, the horizontal plate 41 drives the mounting plate 42 to move, thereby driving the fixing part 46 to move, the mounting plate 42 drives the stand 43 to move, the stand 43 is positioned in the horizontal plate 41 and the frame 1, the stand 43 drives the scale line 44 to move, at this time the staff monitors the opening and closing position of the gate 2 by observing the position of the pointer 45 on the scale line 44, and realizes visual monitoring of the opening and closing position of the gate 2;

[0029] Further, the fixing portion 46 comprises a counterbore 461, a threaded hole 463 and a bolt 462, the bolt 462 can adopt a lock nut, preventing the bolt 462 from loosening in a vibrating environment, the counterbore 461 can hide the bolt 462, the counterbore 461 is arranged on the surface of the mounting plate 42; the threaded hole 463 is arranged on the inner wall of the horizontal plate 41; the bolt 462 is threadedly connected to the inner wall of the mounting plate 42 and the inner wall of the threaded hole 463 respectively, and abuts against the inner wall of the counterbore 461; when the mounting plate 42 abuts against the horizontal plate 41, the worker rotates the bolt 462, rotates the bottom of the bolt 462 into the threaded hole 463, and rotates the top of the bolt 462 into the counterbore 461, so as to fix the mounting plate 42 to the horizontal plate 41, wherein the bolt 462 is rotated into the threaded hole 463 to fix the mounting plate 42 to the horizontal plate 41, and the bolt 462 is rotated into the counterbore 461;

[0030] In the specific implementation process, it is particularly worth pointing out that the bolt 462 can adopt a lock nut, preventing the bolt 462 from loosening in a vibrating environment, when the mounting plate 42 abuts against the horizontal plate 41, the worker rotates the bolt 462, rotates the bottom of the bolt 462 into the threaded hole 463, and rotates the top of the bolt 462 into the counterbore 461, so as to fix the mounting plate 42 to the horizontal plate 41, the counterbore 461 can hide the bolt 462, and the fixing of the mounting plate 42 and the vertical column 43 is realized;

[0031] Further, the assembling device 5 comprises a vertical column 56, an outer shell 51, a screw rod 52, a handle 53, a plug column 54, a sliding block 55 and the sliding block 55, the vertical column 56 is arranged on the top of the frame body 1; the outer shell 51 is arranged outside the frame body 1; the screw rod 52 is rotatably connected to the inner wall of the outer shell 51 through a bearing; the handle 53 is fixedly connected to the initial end of the screw rod 52; when the worker rotates the driving device 3, the worker inserts the vertical column 56 into the driving device 3, after finishing, the worker rotates the handles 53 on both sides in sequence, the handle 53 drives the screw rod 52 to rotate, the plug column 54 is threadedly connected to the outer wall of the screw rod 52, the screw rod 52 drives the plug column 54 to move and is inserted into the inner wall of the vertical column 56; the plug column 54 is inserted into the driving device 3 and the vertical column 56 in sequence, so as to fix the vertical column 56 into the driving device 3, after finishing, the worker stops rotating the handles 53 on both sides, at this time, the worker can rotate the driving device 3 to open and close the gate plate 2, after finishing, the worker rotates the handles 53 on both sides in opposite directions in sequence, so as to move the plug column 54 into the outer shell 51 and take out the vertical column 56, the sliding block 55 is fixedly connected to the bottom of the plug column 54 and is slidingly connected to the inner wall of the outer shell 51; the plug column 54 drives the sliding block 55 to move, and the sliding block 55 slides in the limiting groove in the inner wall of the outer shell 51 to limit the plug column 54, wherein the screw rod 52 drives the plug column 54 to move under the drive of the handle 53, and finally the plug column 54 is inserted into the vertical column 56 to assemble the driving device 3;

[0032] In the implementation process, it is worth pointing out that when the staff rotates the driving device 3, the staff inserts the vertical column 56 into the driving device 3, and then the staff rotates the handles 53 on both sides in turn, the handles 53 drive the screw rods 52 to rotate, the screw rods 52 drive the insertion columns 54 to move, the insertion columns 54 drive the sliding blocks 55 to move, the sliding blocks 55 slide in the limiting grooves on the inner wall of the shell 51 to limit the insertion columns 54, and the insertion columns 54 are inserted into the driving device 3 and the vertical column 56 in turn, so that the vertical column 56 is fixed into the driving device 3, and then the staff stops rotating the handles 53 on both sides, at this time, the staff can rotate the driving device 3 to open and close the gate plate 2, and then the staff rotates the handles 53 on both sides in turn in the reverse direction, so that the insertion columns 54 move into the shell 51, and the vertical column 56 is taken out, thereby preventing other personnel from rotating the driving device 3;

[0033] Further, the driving device 3 comprises a threaded sleeve 33, a screw column 32, a hand wheel 31, a connecting block 34 and a guide portion 35, the threaded sleeve 33 is fixedly connected to the top of the frame body 1; the screw column 32 is threadedly connected to the inner wall of the threaded sleeve 33, and the top is rotatably connected to the inner wall of the horizontal plate 41 through a bearing; the screw column 32 rotates in the threaded sleeve 33, the hand wheel 31 is arranged at the top of the screw column 32 and is fixedly connected to the top of the vertical column 56, and the bottom is fixedly connected to the outer wall of the shell 51; first, the staff moves the hand wheel 31, the hand wheel 31 drives the vertical column 56 and the shell 51 to move, the hand wheel 31 is placed on the screw column 32, the hand wheel 31 is fixed to the screw column 32, and then the staff rotates the hand wheel 31, the hand wheel 31 drives the screw column 32 to move, the screw column 32 drives the horizontal plate 41 to move, the connecting block 34 is rotatably connected to the bottom of the screw column 32 through a bearing, the screw column 32 drives the connecting block 34 to move, and the connecting block 34 is fixedly connected to the top of the gate plate 2; the connecting block 34 drives the gate plate 2 to rise, so that the gate plate 2 is opened, when the staff rotates the hand wheel 31 in the reverse direction, the gate plate 2 is closed, and when the rotation is completed, the staff takes down the hand wheel 31, and the guide portion 35 is arranged on both sides of the gate plate 2; wherein the screw column 32 is driven by the hand wheel 31, so that the connecting block 34 drives the gate plate 2 to move, so that the gate plate 2 is opened and closed, and the guide portion 35 guides the gate plate 2;

[0034] In the specific implementation process, it is worth pointing out that first the staff moves the hand wheel 31, the hand wheel 31 drives the vertical column 56 to move and the shell 51 to move, places the hand wheel 31 on the stud 32, fixes the hand wheel 31 to the stud 32, after finishing, the staff rotates the hand wheel 31, the hand wheel 31 drives the stud 32 to move, the stud 32 drives the horizontal plate 41 to move, the stud 32 rotates in the threaded sleeve 33, the stud 32 drives the connecting block 34 to move, the connecting block 34 drives the gate plate 2 to rise, and the opening of the gate plate 2 is realized, when the staff rotates the hand wheel 31 in the opposite direction, the gate plate 2 is closed, and when the rotation is completed, the staff takes down the hand wheel 31, and the driving gate plate 2 to open and close is realized;

[0035] Further, the guide part 35 includes a slide 352 and a pulley 351, the slide 352 is opened in the two sides of the frame 1; the pulley 351 is installed on the two sides of the gate plate 2, and the outer wall is attached to the inner wall of the slide 352; when the gate plate 2 moves, the gate plate 2 drives the two sides of the pulley 351 to move, the two sides of the pulley 351 move in the slide 352, and the gate plate 2 is guided, wherein the pulley 351 is driven by the gate plate 2, moves in the slide 352, and guides the gate plate 2;

[0036] In the specific implementation process, it is worth pointing out that when the gate plate 2 moves, the gate plate 2 drives the two sides of the pulley 351 to move, the two sides of the pulley 351 move in the slide 352, and the gate plate 2 is guided;

[0037] Specifically, first, the staff moves the mounting plate 42, the mounting plate 42 drives the column 43 to move, the column 43 drives the scale line 44 to move, the column 43 is inserted into the cross plate 41 and the frame 1 in turn, and finally the mounting plate 42 is attached to the cross plate 41. After finishing, the staff rotates the bolt 462, the bottom of the bolt 462 is rotated into the threaded hole 463, the top of the bolt 462 is rotated into the counterbore 461, the mounting plate 42 is fixed to the cross plate 41, then the staff moves the hand wheel 31, the hand wheel 31 drives the vertical column 56 to move and the shell 51 to move, the vertical column 56 is inserted into the stud 32, after finishing, the staff rotates the two handles 53 in turn, the handle 53 drives the screw rod 52 to rotate, the screw rod 52 drives the insertion column 54 to move, the insertion column 54 drives the sliding block 55 to move, the sliding block 55 slides in the limiting groove on the inner wall of the shell 51, the insertion column 54 is inserted into the driving device 3 and the vertical column 56 in turn, and the hand wheel 31 is fixed, then the staff rotates the hand wheel 31, the hand wheel 31 drives the stud 32 to move, the stud 32 rotates in the threaded sleeve 33, the stud 32 drives the connecting block 34 to move, the connecting block 34 drives the gate plate 2 to rise, the gate plate 2 drives the pulleys 351 on both sides to move, the pulleys 351 on both sides move in the slide 352, and the opening of the gate plate 2 is realized. When the staff rotates the hand wheel 31 in the opposite direction, the gate plate 2 is closed, at this time the stud 32 drives the cross plate 41 to move, the cross plate 41 drives the mounting plate 42 to move, so as to drive the fixed part 46 to move, the mounting plate 42 drives the column 43 to move, the column 43 is in the cross plate 41 and the frame 1, and the column 43 drives the scale line 44 to move. At this time, the staff monitors the opening and closing position of the gate plate 2 by observing the position of the pointer 45 on the scale line 44. After rotating, the staff rotates the handles 53 in the opposite direction in turn, the fixation of the vertical column 56 is released, and the staff takes down the hand wheel 31.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for visualizing monitoring of opening and closing of a gate valve, comprising a frame (1), characterized in that: The inside of the frame (1) is provided with a gate (2), the visual gate valve opening and closing monitoring device further comprises: Auxiliary device (4), provided on the outside of the frame (1); Assembly device (5), provided on the outside of the frame (1); Drive device (3), provided on the outside of the frame (1); Wherein, the opening and closing degree of the gate (2) is directly observed by the auxiliary device (4), the drive device (3) is assembled by the assembly device (5), and the gate (2) is moved by the drive device (3); The auxiliary device (4) comprises: Horizontal plate (41), provided above the frame (1); Mounting plate (42), adhered to the surface of the horizontal plate (41); Stand (43), fixedly connected to one side of the mounting plate (42) close to the horizontal plate (41), and respectively penetrating the inside of the horizontal plate (41) and the inside of the frame (1), and movably connected with the horizontal plate (41) and the frame (1); Scale line (44), provided on the front of the stand (43); Pointer (45), fixedly connected to one side of the frame (1) above close to the stand (43); Fixed part (46), provided in the inside of the mounting plate (42); Wherein, the gate (2) moves to drive the horizontal plate (41) to move, so that the stand (43) moves in the horizontal plate (41) and the frame (1), and then drives the scale line (44) to move, and the opening and closing position of the gate (2) is observed by the pointer (45), and the stand (43) is fixed by the fixed part (46).

2. The visualizing monitoring device for opening and closing of the gate valve according to claim 1, characterized in that: The fixed part (46) comprises: Counterbore (461), provided on the surface of the mounting plate (42); Screw hole (463), provided on the inner wall of the horizontal plate (41); Bolt (462), respectively screwing connected to the inner wall of the mounting plate (42) and the inner wall of the screw hole (463), and adhered to the inner wall of the counterbore (461); Wherein, the bolt (462) is rotated into the screw hole (463), the mounting plate (42) is fixed to the horizontal plate (41), and the bolt (462) is rotated into the counterbore (461).

3. The visualizing monitoring device for opening and closing of a gate valve according to claim 2, characterized in that: The assembly device (5) comprises: Vertical column (56), provided on the top of the frame (1); Housing (51), provided on the outside of the frame (1); Screw rod (52), rotatably connected to the inner wall of the housing (51) through a bearing; Handle (53), fixedly connected to the beginning end of the screw rod (52); Insert column (54), screwing connected to the outer wall of the screw rod (52), and inserted into the inner wall of the vertical column (56); Sliding block (55), fixedly connected to the bottom of the insert column (54), and slidingly connected to the inner wall of the housing (51); The screw rod (52) drives the insertion column (54) to move the sliding block (55) under the drive of the handle (53), and finally the insertion column (54) is inserted into the vertical column (56) to assemble the driving device (3).

4. The visualizing monitoring device for opening and closing of a gate valve according to claim 3, characterized in that: The driving device (3) comprises: A threaded sleeve (33) is fixedly connected to the top of the frame (1); A threaded sleeve (33) is fixedly connected to the top of the frame (1); A threaded sleeve (33) is fixedly connected to the top of the frame (1); A handle (31) is arranged on the top of the threaded stud (32) and fixedly connected to the top of the vertical column (56), and the bottom is fixedly connected to the outer wall of the outer shell (51); A connecting block (34) is rotatably connected to the bottom of the threaded stud (32) by a bearing and fixedly connected to the top of the gate plate (2); Guide portions (35) are arranged on both sides of the gate plate (2); 5. The visualizing monitoring device for opening and closing of a gate valve according to claim 4, characterized in that: The threaded stud (32) drives the connecting block (34) to move the gate plate (2) under the drive of the handle (31), so that the gate plate (2) is opened and closed, and the guide portions (35) guide the gate plate (2). The guide portions (35) comprise: Sliding channels (352) are opened on both sides of the frame (1); Pulleys (351) are installed on both sides of the gate plate (2) and the outer wall is attached to the inner wall of the sliding channel (352); The pulleys (351) move in the sliding channel (352) under the drive of the gate plate (2) to guide the gate plate (2).

Images