CN116967745A - Replacement device for valve plate of converter valve - Google Patents

Abstract

The application provides a replacement device for a valve plate of a converter valve. Wherein, horizontal actuating mechanism is used for driving the mounting and moves along the horizontal direction relative to the base. The clamping mechanism comprises a mounting seat, a first clamping arm, a second clamping arm and a driving piece, wherein the driving piece is mounted on the mounting seat and is in transmission fit with at least one of the first clamping arm and the second clamping arm. The lifting driving mechanism is arranged on the mounting piece and is in transmission connection with the mounting seat. According to the replacement device, the first clamping arm and the second clamping arm can be accurately controlled by the horizontal driving mechanism, the lifting driving mechanism and the driving piece to realize horizontal movement, lifting movement, opening, clamping and other actions, so that the valve plate is installed, detached and replaced, the cost of manual operation is reduced, the working efficiency is improved, the labor force is reduced, the safety of field operation is improved, and the potential safety hazard of the field operation is reduced.

Description

Replacement device for converter valve discs

Technical field

The present invention relates to the field of converter valves, and in particular to a replacement device for a valve plate of a converter valve.

Background technique

Converter valves are the core components of AC-DC conversion in UHV DC projects. SCR valves and related valve control systems ensure safe and stable DC operation. Under the command of the valve control system, the process of converting AC into AC or AC into DC is completed. As the converter valve plate is a key component of the entire converter valve system, whether the disassembly and assembly of the valve plate is safe and reliable is directly related to the safety and stability of the entire converter valve system. Therefore, the annual maintenance of each converter station requires maintenance and replacement of key components on the converter valve. Currently, when replacing ABB technology valve plates at various converter stations, there are no special tools and maintenance personnel can only rely on manual insertion and removal of valve plates located at high altitudes for maintenance and replacement. Therefore, the replacement operation method of the converter valve plate in the prior art is relatively cumbersome, the replacement is extremely complicated, requires a lot of manpower, and poses great safety risks.

Contents of the invention

Based on this, it is necessary to provide a valve plate for the converter valve in order to solve the problems in the existing technology that the replacement operation method of the converter valve plate is relatively complicated, the replacement is extremely cumbersome, requires a lot of manpower, and has great safety risks. replacement device.

The technical solution is as follows:

On the one hand, a replacement device for a converter valve plate is provided, including:

Installation body, the installation body includes a base and a mounting piece, the mounting piece is slidingly matched with the top of the base;

A horizontal driving mechanism, which is installed on the mounting piece and used to drive the mounting piece to move in the horizontal direction relative to the base;

Clamping mechanism, the clamping mechanism includes a mounting base, a first clamping arm, a second clamping arm and a driving part. The first clamping arm cooperates with the second clamping arm to form a clamping space, and the driving part is installed On the mounting base, and in transmission cooperation with at least one of the first clamp arm and the second clamp arm, so that the first clamp arm and the second clamp arm can approach or approach each other along the Reciprocating movement in the away direction; and

A lifting drive mechanism, which is installed on the mounting piece and is drivingly connected to the mounting base so that the mounting base can move up and down in the vertical direction;

A control box is communicatively connected with the horizontal driving mechanism, the driving part and the lifting driving mechanism.

When using the replacement device for the valve plate of the converter valve in the above embodiment, the bottom of the base is correspondingly fixed on the valve seat, so that the replacement device is installed above the converter valve. When the valve plate needs to be replaced, first, the horizontal drive mechanism is started through the control box, so that the horizontal drive mechanism drives the installation part to move, and then the installation part drives the clamping mechanism to move horizontally through the lifting drive mechanism until the clamping mechanism moves to the position that needs to be replaced. directly above the valve plate. Secondly, the driving part is started through the control box, so that the driving part drives the first clamp arm and the second clamp arm to move in the direction away from each other, so that the first clamp arm and the second clamp arm open in two directions and refer to the preset position. stop working. Then, the lift drive mechanism is started through the control box, so that the lift drive mechanism drives the clamping mechanism to descend until the valve plate is located in the clamping space, and the lift drive mechanism stops working. Then, the driving part is started again through the control box, so that the driving part drives the first clamping arm and the second clamping arm to move in the direction of approaching each other, so that the first clamping arm and the second clamping arm bidirectionally clamp the valve plate firmly. Hold tight. Then, the lift drive mechanism is started again through the control box, so that the lift drive mechanism drives the clamping mechanism to rise, and then the first clamp arm and the second clamp arm cooperate to pull the valve plate out of the valve seat. Finally, the maintenance worker holds both sides of the valve plate with his hands and starts the driving part, so that the first clamping arm and the second clamping arm open in both directions to facilitate the removal of the valve disc. The same goes for installing the valve disc, ensuring that the maintenance worker can During the process of replacing the valve plate, your hands will not come into contact with the flow surface of the valve plate, thereby ensuring the stability of the flow capacity of the valve plate. Compared with the conventional converter valve plate replacement operation method, the replacement device in this application can accurately control the first clamp arm and the second clamp arm to achieve horizontal movement, lifting and lowering through the horizontal driving mechanism, lifting driving mechanism and driving parts. Moving, opening, clamping and other actions can realize the installation, disassembly and replacement of valve plates, reduce labor costs, improve work efficiency, reduce labor force, improve on-site operation safety, and reduce on-site operation safety hazards.

The technical solution is further explained below:

In one embodiment, the clamping mechanism further includes a first rotating shaft and a second rotating shaft. The first clamping arm is rotationally connected to the mounting base through the first rotating shaft, and the second clamping arm is connected through the second rotating shaft. Rotally connected to the mounting base, the driving member is drivingly engaged with both the first clamping arm and the second clamping arm.

In one embodiment, the first clamp arm is provided with a first gear part at one end close to the mounting base, the second clamp arm is provided with a second gear part at one end close to the mounting base, and the third gear part is provided at an end close to the mounting base. A gear part meshes with the second gear part.

In one embodiment, the horizontal driving mechanism includes a horizontal servo motor, a reducer and a transmission gear. The horizontal servo motor is drivingly connected to the reducer, and the reducer is drivingly connected to the transmission gear. The installation body also includes a rack, the rack is installed on the base, the transmission gear meshes with the rack, and the mounting piece and the base are slidably matched along the extension direction of the rack.

In one embodiment, the horizontal driving mechanism further includes an encoder, the encoder is connected to the gear transmission, and the control box is communicatively connected to both the horizontal servo motor and the encoder.

In one embodiment, along the extension direction of the rack, a first sensing block and a second sensing block are respectively provided on both sides of the top of the base, and a first sensing block is provided on both sides of the mounting member. Proximity sensor and second proximity sensor. The first proximity sensor and the second proximity sensor are both communicatively connected with the control box. When the mounting member drives the first proximity sensor to move to the first sensing block When the mounting member drives the second proximity sensor to move above the second sensing block, the second proximity sensor is triggered;

And/or, along the extension direction of the rack, first limiting blocks and second limiting blocks are respectively provided on both sides of the top of the base, the first sensing block and the second sensing block Both are located between the first limiting block and the second limiting block, and both the first limiting block and the second limiting block are used to limitly cooperate with the mounting member.

In one embodiment, the horizontal servo motor further includes a brake, and the brake is installed on the horizontal servo motor.

In one embodiment, the lifting drive mechanism includes a lifting servo motor, a lifting cylinder, a driving pulley, a driven pulley, a synchronous belt and a push rod. The lifting servo motor is provided with an output end, and the output end is connected to The driving pulley is drivingly connected, the top end of the lifting cylinder is drivingly connected with the driven pulley, and the synchronous belt is sleeved on the outer side wall of the driving pulley and the outer side wall of the driven pulley, The bottom end of the lifting cylinder is drivingly connected to the top end of the push rod, and the bottom end of the push rod is drivingly connected to the mounting base.

In one embodiment, the lifting cylinder includes a cylinder body, a screw rod and a piston rod. The cylinder body is provided with a piston chamber extending in a vertical direction. The screw rod extends from the top of the cylinder body into the piston rod. The piston chamber is rotatably matched with the cylinder. The top end of the screw rod is drivingly connected to the driven pulley. The piston rod extends into the piston chamber from the bottom end of the cylinder and is connected with the cylinder. The cylinder is in sliding fit, the top of the piston rod is provided with a threaded hole, the bottom end of the screw rod is threadedly connected to the threaded hole, and the bottom end of the piston rod is drivingly connected to the mounting base.

In one embodiment, the lifting drive mechanism further includes an upper stroke sensor switch and a lower stroke sensor switch, and the upper stroke sensor switch and the lower stroke sensor switch are spaced apart in the vertical direction in the piston cavity, The upper stroke sensor switch and the lower stroke sensor switch are both used to sense the moving position of the top end of the piston rod in the piston cavity. The control box, the lifting servo motor, and the upper stroke sensor switch It is communicatively connected with the down stroke sensor switch.

Description of the drawings

The drawings that form a part of this application are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an improper limitation of this application.

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a replacement device according to an embodiment.

FIG. 2 is a front view of the replacement device of FIG. 1 .

FIG. 3 is a cross-sectional view along the A-A direction of the replacement device of FIG. 2 .

FIG. 4 is a cross-sectional view of the replacement device of FIG. 2 along the B-B direction.

Explanation of reference symbols:

10. Replacement device; 100. Installation body; 110. Base; 111. Positioning pin table; 112. Fixing bolts; 120. Installation parts; 130. Rack; 140. Slide rail; 150. Slider; 160. First Induction block; 170, second induction block; 180, first limit block; 190, second limit block; 200, horizontal drive mechanism; 210, horizontal servo motor; 220, reducer; 230, transmission gear; 240, Encoder; 250, first proximity sensor; 260, second proximity sensor; 270, brake; 300, clamping mechanism; 310, mounting base; 320, first clamp arm; 321, first gear part; 330, Second clamp arm; 331, second gear part; 340, driving member; 350, first rotating shaft; 360, second rotating shaft; 370, rubber pad; 400, lifting drive mechanism; 410, lifting servo motor; 420, lifting cylinder ; 421. Cylinder; 422. Screw; 423. Piston rod; 430. Driving pulley; 440. Driven pulley; 450. Timing belt; 460. Push rod; 470. Upstroke induction switch; 480. Downstroke Induction switch; 500, converter valve; 510, valve seat; 520, valve plate; 600, control box.

Detailed ways

In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific implementation modes of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described here. Those skilled in the art can make similar improvements without violating the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

As shown in Figures 1, 2 and 3, in one embodiment, a replacement device 10 for a converter valve plate is provided, including an installation body 100, a horizontal driving mechanism 200, a clamping mechanism 300, a lift Driving mechanism 400 and control box 600. The installation body 100 includes a base 110 and a mounting piece 120. The mounting piece 120 is slidably matched with the top of the base 110. The horizontal driving mechanism 200 is installed on the mounting part 120 and is used to drive the mounting part 120 to move in the horizontal direction relative to the base 110 . The clamping mechanism 300 includes a mounting base 310, a first clamping arm 320, a second clamping arm 330 and a driving part 340. The first clamping arm 320 and the second clamping arm 330 cooperate to form a clamping space, and the driving part 340 is installed on the mounting base. 310, and is in transmission cooperation with at least one of the first clamp arm 320 and the second clamp arm 330, so that the first clamp arm 320 and the second clamp arm 330 can reciprocate in the direction of approaching or moving away from each other. The lifting drive mechanism 400 is installed on the mounting member 120 and is transmission connected with the mounting base 310 so that the mounting base 310 can move up and down in the vertical direction. The control box 600 communicates with the horizontal driving mechanism 200, the driving member 340 and the lifting driving mechanism 400. connect.

When using the replacement device 10 for the converter valve plate in the above embodiment, the bottom of the base 110 is correspondingly fixed on the valve seat 510 so that the replacement device 10 is installed above the converter valve 500 . When the valve plate 520 needs to be replaced, first, the horizontal driving mechanism 200 is started through the control box 600, so that the horizontal driving mechanism 200 drives the mounting part 120 to move, and then the mounting part 120 drives the clamping mechanism 300 to move horizontally through the lifting driving mechanism 400, until The clamping mechanism 300 moves to just above the valve plate 520 that needs to be replaced. Secondly, the driving part 340 is started through the control box 600, so that the driving part 340 drives the first clamping arm 320 and the second clamping arm 330 to move in a direction away from each other, so that the first clamping arm 320 and the second clamping arm 330 are bidirectionally opened to After the preset position, the driving member 340 stops working. Then, the lifting driving mechanism 400 is started through the control box 600, so that the lifting driving mechanism 400 drives the clamping mechanism 300 to descend until the valve plate 520 is located in the clamping space, and the lifting driving mechanism 400 stops working. Then, the driving member 340 is started again through the control box 600, so that the driving member 340 drives the first clamping arm 320 and the second clamping arm 330 to move in the direction of approaching each other, so that the first clamping arm 320 and the second clamping arm 330 move bidirectionally. Clamp to hold valve plate 520 firmly. Then, the lifting driving mechanism 400 is started again through the control box 600, so that the lifting driving mechanism 400 drives the clamping mechanism 300 to rise, and then the first clamping arm 320 and the second clamping arm 330 cooperate to pull the valve plate 520 out of the valve seat 510. Finally, the maintenance worker holds both sides of the valve plate 520 with his hands and starts the driving member 340, so that the first clamping arm 320 and the second clamping arm 330 open in two directions to facilitate the removal of the valve plate 520. The same goes for installing the valve plate 520. , to ensure that the hands of maintenance workers will not come into contact with the flow surface of the valve plate 520 during the process of replacing the valve plate 520, thereby ensuring the stability of the flow capacity of the valve plate 520. Compared with the replacement operation method of the converter valve plate in the prior art, the replacement device 10 in this application can accurately control the first clamp arm 320 and the second clamp through the horizontal driving mechanism 200, the lifting driving mechanism 400 and the driving part 340. The arm 330 realizes horizontal movement, lifting movement, opening and clamping, etc., thereby realizing the installation, disassembly and replacement of the valve plate 520, reducing labor costs, improving work efficiency, reducing labor force, improving on-site operation safety, and reducing labor costs. Safety hazards in on-site operations.

The driving member 340 may be a driving motor, a driving cylinder or other driving structures. The first clamping arm 320 and the second clamping arm 330 can reciprocate in the direction of approaching or moving away from each other. The first clamping arm 320 and the second clamping arm 330 can reciprocate in the direction of approaching or moving away from each other, or they can The first clamping arm 320 and the second clamping arm 330 can rotate back and forth in a direction toward or away from each other.

As shown in FIGS. 1 and 3 , specifically in this embodiment, the first clamping arm 320 and the second clamping arm 330 are provided with rubber pads 370 for contact with the valve plate 520 on the sides close to each other. In this way, the rubber pad 370 can protect the valve plate 520 from direct collision with the first clamping arm 320 and the second piece 330; at the same time, the friction force of the rubber pad 370 is relatively large, which can prevent the valve plate 520 from slipping. In addition, the rubber pad 370 is resilient and can fit into the groove on the circumferential surface of the valve plate 520 to ensure the fixation of the valve plate 520 and improve the reliability of the replacement device 10 .

As shown in Figures 1, 2 and 3, further, the clamping mechanism 300 further includes a first rotating shaft 350 and a second rotating shaft 360. The first clamping arm 320 is rotationally connected to the mounting base 310 through the first rotating shaft 350. The clamping arm 330 is rotationally connected to the mounting base 310 through the second rotating shaft 360 , and the driving member 340 is drivingly engaged with both the first clamping arm 320 and the second clamping arm 330 . Specifically in this embodiment, the driving member 340 is set as a 0° to 90° angle motor. When the motor output shaft rotates 90°, the first clamping arm 320 and the second clamping arm 330 open in both directions. When the motor output shaft is 0° At this time, the first clamping arm 320 and the second clamping arm 330 are clamped bidirectionally.

As shown in Figures 2 and 3, optionally, the first clamp arm 320 is provided with a first gear part 321 at one end close to the mounting base 310, and the second clamp arm 330 is provided with a second gear part 331 at one end close to the mounting base 310. , the first gear part 321 meshes with the second gear part 331. The driving member 340 is drivingly connected to the first rotating shaft 350 . In this way, when the driving member 340 drives the first clamp arm 320 to rotate through the first rotating shaft 350, the first clamp arm 320 will drive the second clamp arm 330 to move in conjunction with the first gear part 321 and the second gear part 331, and the first clamp arm 320 will rotate. The rotation directions of the arm 320 and the second clamping arm 330 are opposite, so that they can be opened or clamped at the same time. Specifically in this embodiment, a flange seat is provided on the side of the mounting base 310, and the driving member 340 is fixed on the flange seat through bolts.

As shown in Figures 1, 2 and 4, in one embodiment, the horizontal driving mechanism 200 includes a horizontal servo motor 210, a reducer 220 and a transmission gear 230. The horizontal servo motor 210 is drivingly connected to the reducer 220. The reducer 220 Transmissively connected to the transmission gear 230, the installation body 100 also includes a rack 130. The rack 130 is installed on the base 110. The transmission gear 230 meshes with the rack 130. The mounting member 120 and the base 110 extend along the direction of the rack 130 ( As shown in the C direction in Figure 2) sliding fit. In this way, the control box 600 controls the horizontal servo motor 210 to rotate forward or reverse, the output shaft of the horizontal servo motor 210 is connected to the reducer 220, and the output shaft of the reducer 220 is connected to the transmission gear 230, so that the reducer 220 can drive the transmission gear. 230 rotates and moves along the extension direction of the rack 130, so that the mounting member 120 drives the clamping mechanism 300 to reciprocate along the extension direction of the rack 130 through the lifting drive mechanism 400, thereby realizing the alignment of the clamping mechanism 300 and the valve plate 520. In addition, the rotation angle and number of turns of the horizontal servo motor 210 can achieve precise control of clamping. The reducer 220 can amplify the output torque of the motor to drive a larger load, and at the same time reduce the output speed of the motor, making clamping easier. The reciprocating movement of the mechanism 300 becomes smooth and reaches an ideal movement speed. Specifically in this embodiment, the horizontal servo motor 210 and the reducer 220 are connected through a clearance fit and a key pin, and the reducer 220 and the transmission gear 230 are connected through a clearance fit and a key pin.

As shown in FIGS. 1 and 4 , the horizontal driving mechanism 200 further includes an encoder 240 , which is transmission connected to the gear 230 . The control box 600 is communicatively connected to both the horizontal servo motor 210 and the encoder 240 . In this way, the encoder 240 can measure the output speed of the transmission gear 230 and feed the measurement result back to the control box 600 to form a negative feedback adjustment to ensure that the transmission gear 230 can drive the clamping mechanism 300 through the mounting member 120 and the lifting drive mechanism 400 to preset the speed. Set the speed to move smoothly. Specifically in this embodiment, the encoder 240 is fixed below the mounting member 120 and installed through the mounting bracket. The middle hole of the encoder 240 is connected to the output shaft of the transmission gear 230 using a hoop.

As shown in FIGS. 1 and 4 , optionally, the horizontal servo motor 210 further includes a brake 270 , and the brake 270 is installed on the horizontal servo motor 210 . Specifically in this embodiment, the brake 270 is set to a normally closed mode. The brake can be released when the power is turned on, and the brake can be realized when the power is turned off, which improves the safety of the replacement device 10 .

As shown in FIGS. 1 and 2 , in one embodiment, along the extension direction of the rack 130 , first limiting blocks 180 and second limiting blocks 190 are respectively provided on both sides of the top of the base 110 . The first limiting block 180 and the second limiting block 190 are both used for limiting cooperation with the mounting member 120 . In this way, the first limit block 180 and the second limit block 190 are respectively located on opposite sides of the installation member 120 to cooperate to form a mechanical limit, preventing the replacement device 10 from moving beyond the limit due to misoperation and causing damage, thereby improving the efficiency of replacement. The reliability and safety of the device 10.

As shown in Figures 1 and 2, optionally, along the extension direction of the rack 130, a first sensing block 160 and a second sensing block 170 are respectively provided on both sides of the top of the base 110. The first sensing block 160 and The second sensing blocks 170 are located between the first limiting block 180 and the second limiting block 190 . A first proximity sensor 250 and a second proximity sensor 260 are respectively provided on both sides of the mounting member 120. The first proximity sensor 250 and the second proximity sensor 260 are both communicatively connected with the control box 600. When the mounting member 120 drives the first proximity sensor 250 When moving above the first sensing block 160 , the first proximity sensor 250 is triggered. When the mounting member 120 drives the second proximity sensor 260 to move above the second sensing block 170 , the second proximity sensor 260 is triggered. In this way, as the mounting member 120 moves, when the first proximity sensor 250 moves directly above the first sensing block 160 and overlaps, the first proximity sensor 250 is triggered and feeds back the trigger signal to the control box 600 , and the control box 600 The horizontal servo motor 210 is controlled to stop working, and the second proximity sensor 260 and the second sensing block 170 are in the same manner. In addition, the first proximity sensor 250 and the first sensing block 160, and the second proximity sensor 260 and the second sensing block 170 can cooperate to form an electrical limit, and the mechanical limit is located outside the electrical limit. When the electrical limit fails, The mechanical limit can only be triggered, and the mechanical limit will not be triggered during normal operation, which improves the reliability and safety of the replacement device 10 .

Specifically in this embodiment, the first limiting block 180, the second limiting block 190, the first sensing block 160 and the second sensing block 170 are all fixed on the base 110 through screws.

As shown in Figures 1 and 2, in one embodiment, the lifting drive mechanism 400 includes a lifting servo motor 410, a lifting cylinder 420, a driving pulley 430, a driven pulley 440, a synchronous belt 450 and a push rod 460. The lifting servo The motor 410 is provided with an output end, which is drivingly connected to the driving pulley 430. The top of the lifting cylinder 420 is drivingly connected to the driven pulley 440. The synchronous belt 450 is sleeved on the outer wall of the driving pulley 430 and the driven pulley 440. On the outer side wall of the lifting cylinder 420, the bottom end of the lifting cylinder 420 is drivingly connected to the top end of the push rod 460, and the bottom end of the push rod 460 is drivingly connected to the mounting base 310.

Specifically in this embodiment, the lifting cylinder 420 includes a cylinder 421, a screw rod 422 and a piston rod 423. The cylinder 421 is provided with a piston cavity extending in the vertical direction, and the screw rod 422 extends into the piston cavity from the top of the cylinder 421. , and rotates with the cylinder 421, the top of the screw rod 422 is connected to the driven pulley 440, the piston rod 423 extends into the piston chamber from the bottom of the cylinder 421, and slides with the cylinder 421, the piston rod 423 A threaded hole is provided at the top, the bottom end of the screw rod 422 is threadedly connected to the threaded hole, and the bottom end of the piston rod 423 is drivingly connected to the mounting base 310 . In this way, the lifting servo motor 410 drives the screw rod 422 to rotate through the driving pulley 430, the synchronous belt 450 and the driven pulley 440, so that the screw rod 422 drives the piston rod 423 to move up and down, and then the piston rod 423 drives the driving member through the mounting base 310 340. The first clamping arm 320 and the second piece synchronously move up and down in the vertical direction, so that the valve plate 520 is located in the clamping space, or the valve plate 520 is pulled out from the valve seat 510.

Optionally, as shown in Figure 1, Figure 2 and Figure 3, optionally, the lifting drive mechanism 400 also includes an upper stroke induction switch 470 and a lower stroke induction switch 480. The upper stroke induction switch 470 and the lower stroke induction switch 480 are connected together. The upper stroke sensor switch 470 and the lower stroke sensor switch 480 are arranged at intervals in the piston cavity in the vertical direction. Both the upper stroke sensor switch 470 and the lower stroke sensor switch 480 are used to sense the moving position of the top of the piston rod 423 in the piston cavity. The control box 600 is connected with the lifting servo motor 410 and the upper stroke sensor switch. The switch 470 and the down stroke sensing switch 480 are both connected in communication. In this way, when the screw rod 422 drives the top of the piston rod 423 to rise to the level of the upper stroke sensor switch 470, the upper stroke sensor switch 470 is triggered and feeds back the trigger signal to the control box 600. The control box 600 controls the lifting servo motor 410 to stop working. The same applies to the lower stroke sensor switch 480, so that the upper stroke sensor switch 470 and the lower stroke sensor switch 480 cooperate to realize the upper and lower limits of the piston rod 423, thereby ensuring that the clamping mechanism 300 moves within the normal working range to avoid collisions and improve Reliability of replacement device 10. Specifically in this embodiment, both the upper stroke induction switch 470 and the lower stroke induction switch 480 can be configured as magnetic induction switches, and both are installed on the inner wall of the piston cavity.

As shown in Figure 1, in one embodiment, the control box 600 is provided with a power switch, emergency stop, horizontal left movement, horizontal right movement, clamp arm up, clamp arm down, clamp arm open, clamp arm clamping, Data display and other function control buttons. In this way, during the replacement process of the valve plate 520, you only need to press the corresponding control button and observe the data display parameters. The valve plate 520 can be easily pulled out or installed within 30 seconds, which greatly saves the time and time of replacing the valve plate 520. Labor force of maintenance workers.

Among them, the control box 600 is communicatively connected with the horizontal driving mechanism 200, the driving member 340 and the lifting driving mechanism 400, which can be through wires, data lines, Bluetooth, wireless communication network technology or other communication methods.

Optionally, both the lifting servo motor 410 and the horizontal servo motor 210 are provided with a brake 270. When the replacement device 10 is powered off, the two brakes 270 respectively lock the lifting servo motor 410 and the horizontal servo motor 210, so that the entire replacement device 10 cannot move. After the replacement device 10 is powered on, both brakes 270 are automatically opened. In addition, the control box 600 is also equipped with an emergency stop button. When an emergency occurs, pressing the emergency stop button will make the entire replacement device 10 unable to move, making the replacement device 10 safer and more reliable.

As shown in Figures 1 and 2, in one embodiment, the installation body 100 also includes a slide rail 140 and a slide block 150. The slide rail 140 is installed on the top of the base 110 along the extension direction of the rack 130. The slide block 150 and the slide rail 140 slidingly fits, the mounting piece 120 is configured as a mounting plate, and the mounting plate is fixedly connected to the top of the slider 150 . In this way, the slide rail 140 and the slide block 150 can cooperate to play a guiding role, ensuring that the mounting plate can drive the clamping mechanism 300 to move stably and reliably along the extension direction of the rack 130 through the lifting drive mechanism 400, thereby improving the efficiency of the replacement device 10. reliability.

Among them, the numbers of the slide rails 140 and the slide blocks 150 can be flexibly adjusted according to actual needs. For example, the number of slide rails 140 is two. The two slide rails 140 are located on both sides of the rack 130 respectively. Each slide rail 140 is equipped with two slide blocks 150 . The mounting plate is connected to the four slide blocks 150 through screws. The tops are all fixedly connected.

Optionally, the base 110 includes a mounting platform, four upright columns and four fixing bolts 112. The tops of the four upright columns are welded and fixed to the installation platform. The bottom ends of the four upright columns are each provided with positioning pin platforms 111. The positioning pin platforms are 111 is provided with a mounting hole, and the top of the valve seat 510 is provided with a positioning hole corresponding to the installation hole. The bottom wall of the positioning hole is provided with a threaded hole. The positioning pin table 111 is plugged into the positioning hole correspondingly, and the fixing bolt 112 is inserted through the installation hole correspondingly. The holes and positioning holes are threadedly connected with the threaded holes, so that the fixing bolts 112 can lock the column and the valve seat 510 as one body.

In the description of this application, it should be understood that if the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", " "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating Or it is implied that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the present application.

In addition, if the terms "first" and "second" appear, these terms are used for descriptive purposes only and cannot be understood as indicating or implying the relative importance or implicitly indicating the quantity of the indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

In this application, unless otherwise expressly stated and limited, if the terms "installation", "connection", "connection", "fixing", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or it can be integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. or the interaction between two elements, unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In this application, unless otherwise explicitly stated and limited, if a first feature is "on" or "below" a second feature or similar descriptions, the meaning may be that the first and second features are in direct contact, or The first and second characteristics are in indirect contact through an intermediary. Furthermore, the terms "above", "above" and "above" the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "below" and "beneath" the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. If an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. If present, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and are not meant to be exclusive. implementation.

It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted to include an error range, which error range should be acceptable for a specific value determined by a person skilled in the art. within the deviation range. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, without limitation.

The technical features of the above embodiments can be combined in any way. To simplify the description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, all possible combinations should be used. It is considered to be within the scope of this manual.

The above embodiments only express several implementation modes of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all fall within the protection scope of the present application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims (10)

1. A replacement device for a converter valve plate, characterized in that it includes: Installation body, the installation body includes a base and a mounting piece, the mounting piece is slidingly matched with the top of the base; A horizontal driving mechanism, which is installed on the mounting piece and used to drive the mounting piece to move in the horizontal direction relative to the base; Clamping mechanism, the clamping mechanism includes a mounting base, a first clamping arm, a second clamping arm and a driving part. The first clamping arm cooperates with the second clamping arm to form a clamping space, and the driving part is installed On the mounting base, and in transmission cooperation with at least one of the first clamp arm and the second clamp arm, so that the first clamp arm and the second clamp arm can approach or approach each other along the Reciprocating movement in the away direction; and A lifting drive mechanism, which is installed on the mounting piece and is drivingly connected to the mounting base so that the mounting base can move up and down in the vertical direction; A control box is communicatively connected with the horizontal driving mechanism, the driving part and the lifting driving mechanism. 2. The replacement device for a converter valve plate according to claim 1, characterized in that the clamping mechanism further includes a first rotating shaft and a second rotating shaft, and the first clamping arm is connected to the first rotating shaft through the first rotating shaft. The mounting base is rotatably connected, the second clamping arm is rotatably connected to the mounting base through the second rotating shaft, and the driving member is drivingly matched with both the first clamping arm and the second clamping arm. 3. The replacement device for a converter valve plate according to claim 2, wherein the first clamp arm is provided with a first gear portion at one end close to the mounting seat, and the second clamp arm is provided with a first gear portion. A second gear part is provided at one end close to the mounting base, and the first gear part meshes with the second gear part. 4. The replacement device for a converter valve plate according to any one of claims 1 to 3, characterized in that the horizontal driving mechanism includes a horizontal servo motor, a reducer and a transmission gear, and the horizontal servo motor The reducer is transmission connected to the transmission gear. The installation body also includes a rack. The rack is installed on the base. The transmission gear and the rack Engaging, the mounting piece and the base are slidingly engaged along the extending direction of the rack. 5. The replacement device for a converter valve plate according to claim 4, characterized in that the horizontal drive mechanism further includes an encoder, the encoder is connected to the gear transmission, and the control box is connected to the gear. The horizontal servo motor and encoder are all connected through communication. 6. The replacement device for a converter valve plate according to claim 4, characterized in that, along the extending direction of the rack, a first sensing block and a first induction block are respectively provided on both sides of the top of the base. In the second sensing block, a first proximity sensor and a second proximity sensor are respectively provided on both sides of the mounting member. Both the first proximity sensor and the second proximity sensor are communicatively connected to the control box. When the When the mounting member drives the first proximity sensor to move above the first sensing block, the first proximity sensor is triggered, and when the mounting member drives the second proximity sensor to move to the second sensing block When above, the second proximity sensor is triggered; And/or, along the extension direction of the rack, first limiting blocks and second limiting blocks are respectively provided on both sides of the top of the base, the first sensing block and the second sensing block Both are located between the first limiting block and the second limiting block, and both the first limiting block and the second limiting block are used to limitly cooperate with the mounting member. 7. The replacement device for a converter valve plate according to claim 4, wherein the horizontal servo motor further includes a brake, and the brake is installed on the horizontal servo motor. 8. The replacement device for the converter valve plate according to any one of claims 1 to 3, characterized in that the lifting drive mechanism includes a lifting servo motor, a lifting cylinder, a driving pulley, and a driven pulley. , synchronous belt and push rod, the lifting servo motor is provided with an output end, the output end is drivingly connected to the driving pulley, the top of the lifting cylinder is drivingly connected to the driven pulley, and the synchronous belt It is sleeved on the outer side wall of the driving pulley and the outer side wall of the driven pulley. The bottom end of the lifting cylinder is drivingly connected with the top end of the push rod. The bottom end of the push rod is connected with the installation Seat transmission connection. 9. The replacement device for a converter valve plate according to claim 8, characterized in that the lifting cylinder includes a cylinder body, a screw rod and a piston rod, and the cylinder body is provided with a cylinder extending in the vertical direction. The piston cavity, the screw rod extends into the piston cavity from the top of the cylinder and rotates with the cylinder, the top of the screw rod is drivingly connected to the driven pulley, and the piston rod The bottom end of the cylinder extends into the piston chamber and slides with the cylinder. The top of the piston rod is provided with a threaded hole, and the bottom end of the screw rod is threadedly connected to the threaded hole. The bottom end of the piston rod is drivingly connected to the mounting base. 10. The replacement device for a converter valve plate according to claim 9, characterized in that the lifting drive mechanism further includes an upper stroke induction switch and a lower stroke induction switch, and the upper stroke induction switch and the lower stroke induction switch are Down stroke sensor switches are arranged at intervals in the piston cavity along the vertical direction. Both the upper stroke sensor switch and the down stroke sensor switch are used to sense the moving position of the top end of the piston rod in the piston cavity. The control box, the lifting servo motor, the up stroke induction switch and the down stroke induction switch are all connected in communication.