Lifting device for backflow filter screen of silicon steel annealed wire cleaning section

Abstract

The invention relates to the technical field of hoisting, in particular to a silicon steel annealed line cleaning section backflow filter screen hoisting device which comprises two supporting frames, a backflow tank filter seat is mounted between the two supporting frames, a backflow tank filter screen is mounted in the backflow tank filter seat, and a mounting plate is mounted on the upper end face of the backflow tank filter screen. A lifting handle is fixedly connected to the upper end face of the mounting plate, a lifting frame is mounted on the upper side between the two supporting frames, a winding wheel is mounted on the surface of the lifting frame, and the winding wheel is controlled to rotate clockwise to drive a first pull rope on the surface of the winding wheel to be wound, so that the first pull rope pulls a lifting seat at the bottom of the first pull rope to move upwards; the lifting seat drives the electric butt joint plate, the lifting handle, the mounting plate and the return tank filter screen to move upwards until the return tank filter screen is completely taken out of the return tank filter seat, then the return tank filter screen is conveniently cleaned, workers do not need to take out the return tank filter screen manually, and operation is convenient and safe.

Description

Technical Field

[0001] This invention relates to the field of hoisting technology, and in particular to a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line. Background Technology

[0002] Silicon steel, as an important soft magnetic alloy, is widely used in electromagnetic equipment such as motors and transformers. In the continuous annealing production line of silicon steel, the cleaning section is the core link to ensure the magnetic properties and surface quality of the finished product. It is necessary to thoroughly remove contaminants such as rolling oil, iron powder, and oxide scale. If the cleaning is not thorough, the residual contaminants will cause nodules on the annealing furnace rolls, surface defects on the strip steel, and even strip breakage accidents, which will seriously affect the grade of the finished product and production efficiency.

[0003] During the cleaning process, the cleaning solution is generally circulated and filtered through the filter screen above the tank to intercept contaminants and maintain water cleanliness. After long-term circulation and filtration, a lot of ferrosilicon sludge will appear on the surface of the filter screen, so the filter screen needs to be cleaned.

[0004] However, when cleaning the filter screen, personnel need to climb to the top of the tank and stand on the surface of the filter screen box to disassemble it. There are no anti-slip measures or safety railings in this area. In addition, the surface of the filter screen box is covered with oil, which can easily cause personnel to slip, fall, or even fall from the tank.

[0005] Therefore, the present invention provides a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] To solve the above-mentioned technical problems, the present invention provides a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line, including a support frame. Two support frames are provided, and a return tank filter seat is installed between the two support frames. A return tank filter screen is installed inside the return tank filter seat. An installation plate is installed on the upper end face of the return tank filter screen. A handle is fixed to the upper end face of the installation plate. A lifting frame is installed on the upper side between the two support frames. A winding wheel is installed on the surface of the lifting frame. A pull rope is sleeved on the surface of the winding wheel. A lifting seat is fixed to the bottom of the pull rope. The lifting seat is used to cooperate with the handle to lift the installation plate and the return tank filter screen upward.

[0008] In one embodiment of the present invention, two electric docking plates are slidably installed inside the lifting seat. The two electric docking plates are used to connect with the handles of the two return tank filters. The upper end surfaces of the two electric docking plates are provided with arc-shaped grooves, and the shape of the arc-shaped grooves is adapted to the shape of the handles.

[0009] In one embodiment of the present invention, a contact point one is installed at the bottom of the lifting seat, and a contact point two is installed on the side wall of the return tank filter seat. When the lifting seat moves downward, it will drive contact point one to move and make contact point one contact contact point two. During operation, when the controller controls the winding wheel to rotate counterclockwise, the winding wheel will release the pull rope one on its surface. When the pull rope one drives the lifting seat at its bottom to move downward, the lifting seat will simultaneously drive contact point one to move downward and move towards the side closer to contact point two. When contact point one and contact point two contact, contact point two will transmit a contact signal to the external controller, so that the controller first controls the winding wheel to stop rotating, and then controls the electric docking plate to move towards the side closer to the handle. This design makes it convenient for the electric docking plate to move under the handle and engage with the handle, thereby facilitating the subsequent removal of the return tank filter screen.

[0010] In one embodiment of the present invention, the interior of the lifting seat is provided with a rectangular sliding groove adapted to the electric docking plate, and the interior of the lifting seat is provided with an electric push column adapted to the electric docking plate, the electric push column being used to control the movement of the electric docking plate.

[0011] In one embodiment of the present invention, a support plate is installed on the side walls of the two support frames, a sludge receiving rack is provided above the support plate, and a linkage unit is installed on the upper end surface of the support plate. The linkage unit is used to drive the sludge receiving rack to move towards the side closer to the filter screen of the return tank.

[0012] In one embodiment of the present invention, the linkage unit includes a limiting vertical frame, two limiting vertical frames are provided and are symmetrically designed relative to the support plate, a first linkage frame is slidably arranged between the limiting vertical frames, and a second linkage frame is installed on the side wall of the lifting seat. When the lifting seat moves upward, the top surface of the second linkage frame will contact the lower surface of the first linkage frame.

[0013] In one embodiment of the present invention, the linkage unit further includes a rectangular block, which is fixedly installed on the upper end face of the support plate. A toothed plate is slidably provided on the upper end face of the rectangular block. A drive gear is rotatably provided on the side wall of the rectangular block through a bracket. The drive gear and the toothed plate are meshed and connected. A connecting frame is fixedly installed on both side walls of the toothed plate. The side of the connecting frame away from the toothed plate is connected to the side wall of the sludge receiving rack.

[0014] In one embodiment of the present invention, a winding wheel is rotatably mounted on the upper part of the rectangular block via a bracket. A second pull rope is sleeved on the outer surface of the winding wheel. The side of the second pull rope away from the winding wheel is connected to the side wall of the first linkage frame. A horizontal shaft is fixed to the outer surface of both the winding wheel and the drive gear. Adjacent horizontal shafts are connected by a belt. During operation, when the first linkage frame is pushed upward by the second linkage frame, the end of the first linkage frame will pull the second pull rope. The second pull rope will drive the winding wheel to rotate counterclockwise. Since the winding wheel is connected to the drive gear below via a belt, when the winding wheel rotates counterclockwise, the winding wheel will drive the drive gear below to rotate counterclockwise via the horizontal shaft and the belt. Therefore, when the drive gear rotates counterclockwise, it will drive the toothed plate to move towards the side closer to the filter screen of the return tank, which facilitates the collection rack to collect the ferrosilicon sludge on the surface of the filter screen of the return tank.

[0015] In one embodiment of the present invention, a tension spring is fixedly connected to the upper end face of the rectangular block, and the side of the tension spring away from the rectangular block is connected to the connecting shaft of the lower end face of the toothed plate; the inner wall of the limiting vertical frame is provided with a limiting groove that matches the linkage frame one; during operation, when the toothed plate drives the sludge receiving frame to move closer to the filter screen of the return tank, the toothed plate will pull the tension spring through the connecting shaft at its bottom. After the filter screen of the return tank is cleaned once, the winding wheel is controlled to rotate counterclockwise, so that the winding wheel drives the filter screen of the return tank below it to the initial position through the pull rope one. The top of the linkage frame two is away from the bottom of the linkage frame one, that is, the tension spring is no longer under tension. Therefore, under the elastic force of the tension spring, the toothed plate and the sludge receiving frame will be moved to the initial position, and the winding wheel will also drive the pull rope two to wind up again.

[0016] In one embodiment of the present invention, the vertical cross-sectional shape of the sludge receiving rack is V-shaped, and a collection hole is provided on the lower side of the middle part of the sludge receiving rack.

[0017] The technical solution of the present invention has the following advantages compared with the prior art:

[0018] The present invention discloses a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line. When the electric docking plate moves the arc-shaped groove on its surface to the same vertical plane as the handle, the movement of the electric docking plate is stopped. Then, the winding wheel is controlled to rotate clockwise, so that the winding wheel drives the pull rope on its surface to wind up. The pull rope pulls the lifting seat at the bottom to move upward. The lifting seat drives the electric docking plate, the handle, the mounting plate, and the return tank filter screen to move upward until the return tank filter screen is completely removed from the return tank filter seat. Then, it is convenient to clean the return tank filter screen without the need for the staff to manually remove the return tank filter screen. The operation is more convenient and safer.

[0019] The present invention discloses a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line. When the toothed plate moves the sludge receiving frame closer to the filter screen of the return tank, the toothed plate pulls the tension spring through the connecting shaft at its bottom. After the filter screen of the return tank is cleaned once, the winding wheel is controlled to rotate counterclockwise, so that the winding wheel drives the filter screen of the return tank below it to the initial position through the pull rope one. The top of the linkage frame two is away from the bottom of the linkage frame one, that is, the tension spring is no longer under tension. Therefore, under the elastic force of the tension spring, the toothed plate and the sludge receiving frame will move to the initial position, and the winding wheel will also drive the pull rope two to wind up again. Attached Figure Description

[0020] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the lifting seat structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the mounting plate structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the contact structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the rectangular block structure of the present invention;

[0026] Figure 6 This is a schematic diagram of the toothed plate structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the drive gear structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of the second linkage frame and the first linkage frame when they first come into contact.

[0029] Figure 9 This is a schematic diagram of the structure of the present invention when the sludge receiving rack is moved to the bottom of the return tank filter screen.

[0030] Explanation of reference numerals in the instruction manual's attached drawings: 1. Support frame; 101. Lifting frame; 2. Return tank filter base; 3. Return tank filter screen; 301. Mounting plate; 4. Handle; 5. Winding wheel; 6. Pull rope one; 601. Lifting seat; 602. Linkage frame two; 7. Electric docking plate; 8. Arc-shaped groove; 9. Contact point one; 10. Contact point two; 11. Support plate; 12. Sludge receiving rack; 13. Limiting vertical frame; 14. Linkage frame one; 15. Rectangular block; 151. Toothed plate; 16. Drive gear; 17. Connecting frame; 18. Winding wheel; 19. Pull rope two; 20. Horizontal shaft; 21. Tension spring. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0032] Reference Figures 1 to 9 As shown in the embodiment of the present invention, a hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line includes a support frame 1, two support frames 1 are provided, a return tank filter seat 2 is installed between the two support frames 1, a return tank filter screen 3 is installed inside the return tank filter seat 2, an mounting plate 301 is installed on the upper end surface of the return tank filter screen 3, a handle 4 is fixedly connected to the upper end surface of the mounting plate 301, a lifting frame 101 is installed on the upper side between the two support frames 1, a winding wheel 5 is installed on the surface of the lifting frame 101, a pull rope 6 is sleeved on the surface of the winding wheel 5, a lifting seat 601 is fixedly connected to the bottom of the pull rope 6, and the lifting seat 601 is used to cooperate with the handle 4 to lift the mounting plate 301 and the return tank filter screen 3 upward.

[0033] Two electric docking plates 7 are slidably installed inside the lifting seat 601. The two electric docking plates 7 are used to connect with the handles 4 of the two return tank filter screens 3. The upper end surfaces of the two electric docking plates 7 are provided with arc-shaped grooves 8, and the shape of the arc-shaped grooves 8 is adapted to the shape of the handles 4.

[0034] During operation, when it is necessary to remove the return tank filter screen 3, the controller controls the winding wheel 5 to rotate counterclockwise, causing the pull rope 6 on the surface of the winding wheel 5 to be released. This causes the pull rope 6 to move the lifting seat 601 at its bottom downwards. When the lifting seat 601 moves to the same horizontal plane as the handle 4, the rotation of the winding wheel 5 stops. The lifting seat 601 and the handle 4 work together. Then, the winding wheel 5 is controlled to rotate clockwise, causing the pull rope 6 on its surface to be wound up. This lifts the handle 4, the mounting plate 301, and the return tank filter screen 3 upwards, realizing the function of automatically lifting the return tank filter screen 3 upwards. No manual operation is required, which is highly safe and avoids the problem of the lack of anti-slip measures and safety railings in this area. In addition, the filter box surface is contaminated with oil, which can easily cause people to slip, fall, or even fall from the tank.

[0035] When the lifting seat 601 moves to the same horizontal plane as the handle 4, the rotation of the winding wheel 5 is stopped, and the two electric docking plates 7 are controlled to extend from inside the lifting seat 601, so that the two electric docking plates 7 move closer to the handle 4. When the electric docking plates 7 drive the arc-shaped groove 8 on their surface to move to the same vertical plane as the handle 4, the movement of the electric docking plates 7 is stopped. Then, the winding wheel 5 is controlled to rotate clockwise, so that the winding wheel 5 drives the pull rope 6 on its surface to wind up, so that the pull rope 6 pulls the lifting seat 601 at its bottom to move up. The lifting seat 601 drives the electric docking plate 7, the handle 4, the mounting plate 301 and the return tank filter screen 3 to move up until the return tank filter screen 3 is completely removed from the return tank filter seat 2. Then it is convenient to clean the return tank filter screen 3, and there is no need for the staff to manually remove the return tank filter screen 3. The operation is more convenient and safe.

[0036] The arc-shaped groove 8 on the upper surface of the electric docking plate 7 is adapted to the shape of the handle 4, so that the electric docking plate 7 and the handle 4 can be docked with each other and the return tank filter screen 3 can be stably removed from the return tank filter seat 2.

[0037] The bottom of the lifting seat 601 is equipped with a contact 9, and the side wall of the return tank filter seat 2 is equipped with a contact 10. When the lifting seat 601 moves downward, it will drive the contact 9 to move and make the contact 9 contact with the contact 10. The interior of the lifting seat 601 is provided with a rectangular sliding groove that is adapted to the electric docking plate 7, and the interior of the lifting seat 601 is provided with an electric push column that is adapted to the electric docking plate 7. The electric push column 7 is used to control the movement of the electric docking plate 7.

[0038] During operation, when the controller controls the winding wheel 5 to rotate counterclockwise, the pull rope 6 on the surface of the winding wheel 5 is released, causing the pull rope 6 to move the lifting seat 601 at its bottom downward. At the same time, the lifting seat 601 will move the contact 9 downward and move towards the side closer to the contact 10. When the contact 9 and the contact 10 make contact, the contact 10 will transmit a contact signal to the external controller, so that the controller first controls the winding wheel 5 to stop rotating, and then controls the electric docking plate 7 to move towards the side closer to the handle 4. This design makes it easy for the electric docking plate 7 to move under the handle 4 and engage with the handle 4, thereby facilitating the subsequent removal of the return tank filter screen 3.

[0039] It should be noted that when contact point 19 and contact point 210 are in contact, the electric docking plate 7 and the handle 4 are exactly on the same horizontal plane.

[0040] Support plates 11 are installed on the side walls of the two support frames 1. A sludge receiving frame 12 is provided above the support plate 11. A linkage unit is installed on the upper end face of the support plate 11. The linkage unit is used to drive the sludge receiving frame 12 to move towards the side closer to the return tank filter screen 3. The linkage unit includes a limiting vertical frame 13. Two limiting vertical frames 13 are provided and are symmetrically designed with respect to the support plate 11. A first linkage frame 14 is slidably arranged between the limiting vertical frames 13. A second linkage frame 602 is installed on the side wall of the lifting seat 601. When the lifting seat 601 moves upward, the top surface of the second linkage frame 602 will contact the lower end face of the first linkage frame 14.

[0041] During operation, when the lifting seat 601 moves the electric docking plate 7 downward, the second linkage frame 602 will move away from the first linkage frame 14. When the electric docking plate 7 and the handle 4 are docked, and the lifting seat 601 moves the electric docking plate 7, the handle 4, and the return tank filter 3 upward, the lifting seat 601 will move the second linkage frame 602 towards the side closer to the first linkage frame 14. When the return tank filter 3 is gradually removed from the return tank filter seat 2, that is, when the return tank filter 3 moves to the adjacent... Figure 8 In the indicated state, the top surface of the second linkage frame 602 is in contact with the lower surface of the first linkage frame 14. Under the pressure of the second linkage frame 602, the first linkage frame 14 moves upward between the limiting vertical frames 13, and through the action of the linkage unit, drives the sludge receiving frame 12 to move, causing the sludge receiving frame 12 to move closer to the bottom of the return tank filter screen 3. After that, the sludge receiving frame 12 will move to the bottom of the return tank filter screen 3, that is, attached to the bottom surface of the filter screen 3. Figure 9As shown, this design ensures that when the return tank filter screen 3 is lifted and separated from the return tank filter seat 2, the sludge collection rack 12 can move just below the return tank filter screen 3. This facilitates the subsequent cleaning of the return tank filter screen 3 by an external spray system, preventing the ferrosilicon sludge from falling into the return tank below. This design also allows for centralized collection of ferrosilicon sludge, facilitating its centralized treatment and reuse.

[0042] The linkage unit also includes a rectangular block 15, which is fixedly installed on the upper end face of the support plate 11. A toothed plate 151 is slidably provided on the upper end face of the rectangular block 15. A drive gear 16 is rotatably provided on the side wall of the rectangular block 15 through a bracket. The drive gear 16 and the toothed plate 151 are meshed and connected. A connecting frame 17 is fixedly installed on both side walls of the toothed plate 151. The side of the connecting frame 17 away from the toothed plate 151 is connected to the side wall of the sludge receiving rack 12.

[0043] During operation, when the top surface of linkage frame 2 602 is in contact with the lower surface of linkage frame 1 14, and linkage frame 1 14 moves upward, linkage frame 1 14 will drive drive gear 16 to rotate counterclockwise through linkage unit. Drive gear 16 will drive toothed plate 151, which meshes with it, to move towards the side closer to the return tank filter screen 3. That is, toothed plate 151 drives connecting frame 17 and sludge receiving frame 12 to move towards the side closer to the bottom of return tank filter screen 3. When sludge receiving frame 12 moves to the side closer to the bottom of return tank filter screen 3... Figure 9 After reaching the indicated position, stop the upward movement of the lifting seat 601. This allows for easy connection of an external spray system to perform spray cleaning on the return tank filter screen 3, making the operation relatively convenient.

[0044] A take-up wheel 18 is rotatably mounted on the top of the rectangular block 15 via a bracket. A second pull rope 19 is sleeved on the outer surface of the take-up wheel 18. The side of the second pull rope 19 away from the take-up wheel 18 is connected to the side wall of the linkage frame 14. A horizontal shaft 20 is fixedly connected to the outer surface of both the take-up wheel 18 and the drive gear 16. Adjacent horizontal shafts 20 are connected by belts.

[0045] During operation, when the linkage frame 14 is pushed upward by the linkage frame 2 602, the end of the linkage frame 14 will pull the pull rope 2 19. The pull rope 2 19 will drive the winding wheel 18 to rotate counterclockwise. Since the winding wheel 18 is connected to the drive gear 16 below through the belt, when the winding wheel 18 rotates counterclockwise, the winding wheel 18 will drive the drive gear 16 below to rotate counterclockwise through the horizontal shaft 20 and the belt. Therefore, when the drive gear 16 rotates counterclockwise, it will drive the toothed plate 151 to move closer to the side of the return tank filter screen 3, which makes it convenient for the sludge receiving rack 12 to collect the ferrosilicon mud on the surface of the return tank filter screen 3.

[0046] A tension spring 21 is fixed to the upper end face of the rectangular block 15, and the side of the tension spring 21 away from the rectangular block 15 is connected to the connecting shaft of the lower end face of the toothed plate 151; the inner wall of the limiting vertical frame 13 is provided with a limiting groove that is compatible with the linkage frame 14.

[0047] During operation, when the toothed plate 151 moves the sludge receiving rack 12 closer to the return tank filter screen 3, the toothed plate 151 pulls the tension spring 21 through its bottom connecting shaft. After the return tank filter screen 3 is cleaned once, the winding wheel 5 is controlled to rotate counterclockwise, causing the winding wheel 5 to pull the return tank filter screen 3 below it back to its initial position through the pull rope 1 6. The top of the linkage frame 2 602 is away from the bottom of the linkage frame 1 14, meaning the tension spring 21 is no longer under tension. Therefore, under the elastic force of the tension spring 21, the toothed plate 151 and the sludge receiving rack 12 will move. 2. Move to the initial position, and the winding wheel 18 will also drive the second rope 19 to wind up again; it should be noted that the elastic potential energy of the tension spring 21 can ensure that the toothed plate 151 and the sludge receiving frame 12 move to the initial position, and when the top of the second linkage frame 602 separates from the bottom of the first linkage frame 14, the tension spring 21 can directly recover, that is, the sludge receiving frame 12 first moves away from the bottom of the return tank filter screen 3, and then the return tank filter screen 3 slowly moves into the return tank filter seat 2, so as to avoid the position of the sludge receiving frame 12 affecting the recovery of the return tank filter screen 3;

[0048] The sludge collection rack 12 has a V-shaped vertical cross-section, and a collection hole is provided on the lower side of the middle part of the sludge collection rack 12. This design facilitates the collection of ferrosilicon sludge from the surface of the return tank filter screen 3.

[0049] Working principle: When the return tank filter screen 3 needs to be removed, the controller controls the winding wheel 5 to rotate counterclockwise, causing the pull rope 6 on the surface of the winding wheel 5 to disengage. This causes the pull rope 6 to move the lifting seat 601 at its bottom downwards. When the lifting seat 601 moves to the same horizontal plane as the handle 4, the rotation of the winding wheel 5 stops, and the two electric docking plates 7 are controlled to extend from inside the lifting seat 601, causing the two electric docking plates 7 to move towards the side closer to the handle 4. When the electric docking plates 7 move the arc-shaped groove 8 on their surface to the side closer to the handle 4, the electric docking plates 7 move towards the side closer to the handle 4. When the handle 4 is on the same vertical plane, stop the movement of the electric docking plate 7, and then control the winding wheel 5 to rotate clockwise, so that the winding wheel 5 drives the pull rope 6 on its surface to wind up, so that the pull rope 6 pulls the lifting seat 601 at the bottom to move upward. The lifting seat 601 drives the electric docking plate 7, handle 4, mounting plate 301 and return tank filter screen 3 to move upward until the return tank filter screen 3 is completely removed from the return tank filter seat 2. Then it is convenient to clean the return tank filter screen 3, and there is no need for the staff to manually remove the return tank filter screen 3. The operation is more convenient and safe.

[0050] When the controller controls the winding wheel 5 to rotate counterclockwise, the pull rope 6 on the surface of the winding wheel 5 is released, causing the pull rope 6 to move the lifting seat 601 at its bottom downward. At the same time, the lifting seat 601 will move the contact 9 downward and move towards the side closer to the contact 10. When the contact 9 and the contact 10 make contact, the contact 10 will transmit a contact signal to the external controller, so that the controller first controls the winding wheel 5 to stop rotating, and then controls the electric docking plate 7 to move towards the side closer to the handle 4. This design makes it easy for the electric docking plate 7 to move under the handle 4 and engage with the handle 4, thereby facilitating the subsequent removal of the return tank filter screen 3.

[0051] When the electric docking plate 7 and handle 4 are docked, and the lifting seat 601 moves the electric docking plate 7, handle 4, and return tank filter 3 upwards, the lifting seat 601 will move the linkage frame 2 602 towards the side closer to the linkage frame 14. When the return tank filter 3 is gradually removed from the return tank filter seat 2, that is, when the return tank filter 3 moves to the attached... Figure 8 In the indicated state, the top surface of the second linkage frame 602 is in contact with the lower surface of the first linkage frame 14. Under the pressure of the second linkage frame 602, the first linkage frame 14 moves upward between the limiting vertical frames 13, and through the action of the linkage unit, drives the sludge receiving frame 12 to move, causing the sludge receiving frame 12 to move closer to the bottom of the return tank filter screen 3. After that, the sludge receiving frame 12 will move to the bottom of the return tank filter screen 3, that is, attached to the bottom surface of the filter screen 3. Figure 9 As shown, this design ensures that when the return tank filter screen 3 is lifted and separated from the return tank filter seat 2, the sludge collection rack 12 can move just below the return tank filter screen 3. This facilitates the subsequent cleaning of the return tank filter screen 3 by an external spray system, preventing the ferrosilicon sludge from falling into the return tank below. This design also allows for centralized collection of ferrosilicon sludge, facilitating its centralized treatment and reuse.

[0052] When the top surface of the second linkage frame 602 is in contact with the lower surface of the first linkage frame 14, and the first linkage frame 14 moves upward, the first linkage frame 14 will drive the drive gear 16 to rotate counterclockwise through the linkage unit. The drive gear 16 will drive the toothed plate 151 meshing with it to move towards the side closer to the return tank filter screen 3. That is, the toothed plate 151 will drive the connecting frame 17 and the sludge receiving frame 12 to move towards the side closer to the bottom of the return tank filter screen 3. When the sludge receiving frame 12 moves to the side closer to the bottom of the return tank filter screen 3... Figure 9 After reaching the indicated position, stop the upward movement of the lifting seat 601. This allows for easy connection of an external spray system to spray and clean the return tank filter screen 3, making the operation more convenient.

[0053] When the first linkage frame 14 moves upward under the pressure of the second linkage frame 602, the end of the first linkage frame 14 will pull the second pull rope 19. The second pull rope 19 will drive the winding wheel 18 to rotate counterclockwise. Since the winding wheel 18 is connected to the drive gear 16 below through a belt, when the winding wheel 18 rotates counterclockwise, the winding wheel 18 will drive the drive gear 16 below to rotate counterclockwise through the horizontal shaft 20 and the belt. Therefore, when the drive gear 16 rotates counterclockwise, it will drive the toothed plate 151 to move closer to the filter screen 3 of the return tank, which makes it convenient for the sludge receiving rack 12 to collect the ferrosilicon sludge on the surface of the filter screen 3 of the return tank. When the toothed plate 151 drives the receiving rack 12 to rotate counterclockwise, the toothed plate 151 will move closer to the filter screen 3 of the return tank. When the sludge rack 12 moves closer to the return tank filter 3, the toothed plate 151 pulls the tension spring 21 through the connecting shaft at its bottom. After the return tank filter 3 is cleaned once, the winding wheel 5 is controlled to rotate counterclockwise, so that the winding wheel 5 drives the return tank filter 3 below it to return to its initial position through the pull rope 1 6. The top of the linkage frame 2 602 is far away from the bottom of the linkage frame 1 14, that is, the tension spring 21 is no longer under tension. Therefore, under the elastic force of the tension spring 21, the toothed plate 151 and the sludge rack 12 will move to the initial position, and the winding wheel 18 will also drive the pull rope 2 19 to wind up again.

[0054] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line, characterized in that: The device includes two support frames, with a reflux tank filter seat installed between the two support frames. A reflux tank filter screen is installed inside the reflux tank filter seat. An mounting plate is installed on the upper surface of the reflux tank filter screen, and a handle is fixed to the upper surface of the mounting plate. A lifting frame is installed on the upper side between the two support frames. A winding wheel is installed on the surface of the lifting frame, and a pull rope is sleeved on the surface of the winding wheel. A lifting seat is fixed to the bottom of the pull rope. The lifting seat is used to cooperate with the handle to lift the mounting plate and the reflux tank filter screen upward. Two electric docking plates are slidably installed inside the lifting seat. The two electric docking plates are used to connect with the handles of the two return tank filters. The upper end surfaces of the two electric docking plates are provided with arc-shaped grooves, and the shape of the arc-shaped grooves is adapted to the shape of the handles. The bottom of the lifting seat is equipped with contact point one, and the side wall of the return tank filter seat is equipped with contact point two. When the lifting seat moves downward, it will drive contact point one to move and make contact point one contact contact point two.

2. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 1, characterized in that: The lifting seat has a rectangular sliding groove inside that is compatible with the electric docking plate, and the lifting seat also has an electric push column inside that is compatible with the electric docking plate. The electric push column is used to control the movement of the electric docking plate.

3. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 1, characterized in that: The two support frames are equipped with a support plate on their side walls. A sludge receiving rack is provided above the support plate. A linkage unit is installed on the upper end face of the support plate. The linkage unit is used to drive the sludge receiving rack to move towards the side closer to the filter screen of the return tank. The linkage unit includes two limiting vertical frames, which are symmetrically designed relative to the support plate. A first linkage frame is slidably arranged between the limiting vertical frames, and a second linkage frame is installed on the side wall of the lifting seat. When the lifting seat moves upward, the top surface of the second linkage frame will contact the bottom surface of the first linkage frame.

4. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 3, characterized in that: The linkage unit also includes a rectangular block, which is fixedly installed on the upper surface of the support plate. A toothed plate is slidably provided on the upper surface of the rectangular block. A drive gear is rotatably provided on the side wall of the rectangular block through a bracket. The drive gear and the toothed plate are meshed and connected. A connecting frame is fixedly installed on both sides of the toothed plate. The side of the connecting frame away from the toothed plate is connected to the side wall of the sludge receiving rack.

5. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 4, characterized in that: A winding wheel is rotatably mounted on the top of the rectangular block via a bracket. A second pull rope is sleeved on the outer surface of the winding wheel. The side of the second pull rope away from the winding wheel is connected to the side wall of the linkage frame. A horizontal shaft is fixed to the outer surface of both the winding wheel and the drive gear. Adjacent horizontal shafts are connected by a belt.

6. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 5, characterized in that: A tension spring is fixed to the upper end face of the rectangular block, and the side of the tension spring away from the rectangular block is connected to the connecting shaft of the lower end face of the toothed plate; the inner wall of the limiting vertical frame is provided with a limiting groove that is compatible with the linkage frame.

7. The hoisting device for the return filter screen of the cleaning section of a silicon steel annealing line according to claim 6, characterized in that: The sludge receiving rack has a V-shaped vertical cross-section, and a collection hole is provided on the lower side of the middle part of the sludge receiving rack.

Images