Rack hoisting device and hoisting method for assembling filter press

Abstract

The invention belongs to the field of traction and hoisting, and particularly relates to a rack hoisting device and hoisting method for assembling a filter press, the rack hoisting device comprises two guide rails, a movable disc is connected above the guide rails, a driving part is mounted at the bottom of the movable disc, a lifting column capable of vertically lifting is mounted above the movable disc, and the lifting column is connected with the movable disc. Lifting arms are installed at the tops of the two lifting columns, the work of lifting, transferring and reassembling of the filter plate is completed, the lifting columns 4 and the lifting arms are lifted vertically, the assembling process of the filter plate can be accurately carried out, errors in the assembling process and damage to parts are reduced, and the assembling efficiency is improved. Meanwhile, the filter plate can be replaced on the side face of the filter press, the length of the guide rail is only the same as that of the filter plate area of the filter press, the space of the two ends of the filter press is not occupied, the hoisting work can be completed in more occasions, and the applicability of the device is effectively improved.

Description

Technical Field

[0001] The invention belongs to the field of traction and lifting, in particular to a frame lifting device and a lifting method for filter press assembly. Background Art

[0002] Filter press is a highly efficient solid-liquid separation equipment, widely used in mining, chemical, food, pharmaceutical and other industries; its core principle is to use the combination of filter plates and filter cloths to effectively separate the suspended solid particles in the slurry under the action of mechanical pressure, forming filter cakes and discharging them in a centralized manner.

[0003] The filter plates of the filter press are the key components of the filter press system and are numerous in number. They are used to fix the filter cloth and form a solid-liquid separation chamber. The filter plates are usually made of hard materials, such as polypropylene, stainless steel or other materials that will not rust and can withstand great pressure. During the initial assembly of the filter press and the replacement of the filter plates, a lifting structure is required to transfer the filter plates.

[0004] Traditional lifting devices often use steel cables and hooks for lifting and grabbing, which can easily cause the lifted objects to shake during the lifting and sinking process. The assembly of filter plates of the filter press requires more accurate positioning because the filter pressing area of ​​the filter press generally uses multiple frames to restrain the filter plates. The swinging filter plates during the lifting process can easily damage the frames and filter plates, which is not conducive to the lifting process of multiple filter plates. In addition, traditional lifting devices can often only move in a single direction and have high requirements for the use of space. For example, when the length of the hoisted equipment is long, it is necessary to span a longer space to complete the transfer of parts, which has high limitations for indoor mechanical equipment.

[0005] To this end, the present invention provides a frame hoisting device and a hoisting method for assembling a filter press. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is: the frame lifting device for assembling the filter press described in the present invention comprises two guide rails, a movable plate is connected above the guide rails, a driving member is installed at the bottom of the movable plate, a lifting column capable of vertical lifting is installed above the movable plate, a lifting arm is installed at the top of the two lifting columns, the lifting arm is horizontally arranged, a plurality of clamps capable of fixing the filter plate are installed at the bottom of the lifting arm, and a driving motor capable of driving the lifting column to rotate is installed at the top of the movable plate.

[0008] Preferably, a support column is provided on the top surface of the movable plate, the lifting column is slidably engaged on the outer side of the support column, a vertical groove is provided on the outer side of the support column, a driving member is also fixedly connected to the side of the lifting column close to the support column, the driving member is slidably engaged in the vertical groove, a connecting valve is fixedly connected to the outer side of the lifting column, and the lifting column is provided with a slot adapted to the shape of the connecting valve.

[0009] Preferably, the top surface of the movable plate is concave, and an annular sliding groove is provided on the top surface of the movable plate, and the bottom of the support column is slidably engaged in the sliding groove.

[0010] Preferably, the bottom surface of the support column is disc-shaped, a telescopic valve for connecting two support columns is fixedly connected to the top output end of the drive motor, and a hole adapted for the telescopic valve is provided on the outer side of the support column near the bottom surface.

[0011] Preferably, the clamping claw is composed of two symmetrically arranged metal plates, which are narrow at the bottom and wide at the top. A hydraulic structure for controlling the horizontal movement of the metal plates is installed on the inner side of the lifting arm.

[0012] Preferably, a separation seat is inserted into the top of the lifting column, a docking valve is installed between the top of the separation seat and the lifting arm, and a plurality of lifting blocks are arranged at the front end of the lifting column.

[0013] Preferably, a plurality of hanging rods are fixedly connected to the front end of the lifting column, a hanging hole is provided at the front end of the lifting block and extends to the rear end, a snap-in groove is provided on the top surface of the lifting block and the lifting column, and an insert block adapted to the snap-in groove is fixedly connected to the bottom of the lifting block and the separation seat.

[0014] Preferably, a plurality of rotatable spray pipes are installed on the outer side of the lifting arm, a water tank for supplying water to the spray pipes is fixedly connected to the top of the lifting arm, a filling valve is installed at the rear end of the water tank, and a plurality of nozzles for spraying are installed on the surface of the spray pipes.

[0015] Preferably, a driving pipe is fixedly connected to the top of the spray pipe, the driving pipe is connected to the water tank, a gear ring is fixedly connected to the outer side of the driving pipe, a reduction motor is installed inside the lifting arm, a transmission gear meshing with the gear ring is fixedly connected to the output end of the reduction motor, and a counterweight is fixedly connected to the top of the spray pipe.

[0016] A method for lifting a frame for filter press assembly, which is applicable to the above-mentioned frame lifting device for filter press assembly, and the method is specifically as follows:

[0017] S1: Lay two guide rails on both sides of the filter press, and drive the movable plate to move on the guide rails through the driving parts at the bottom of the movable plate. After the lifting arm moves to the top of the filter plate to be hoisted, control the lifting column to sink and then drive the lifting arm to sink. The independent filter plate is fixed on both sides with clamps, and then the lifting column is controlled to rise to grab the filter plate;

[0018] S2: Then, driven by the moving plate, the whole is translated to the end of the filter press, the filter plate is sunk and put down, and then the new filter plate is grabbed by the lifting arm and the clamping claw, and moved to the original position of the filter plate, and the filter plate is put down, thus completing the lifting, transfer and reassembly of the filter plate;

[0019] S3: prepare two sets of lifting arms and lifting columns, place the two sets of structures side by side, and connect the two lifting columns close to each other. At this time, the two lifting columns are located above the same movable plate. When assembling and replacing the filter plate, you only need to prepare the required filter plate on one side, use the lifting arm to grab the filter plate, and grab the filter plate to be replaced on the other side. Then, driven by the driving motor, rotate the two lifting columns and the lifting arm, and then lower the two lifting arms at the same time to complete the assembly or replacement of the filter plate.

[0020] The beneficial effects of the present invention are as follows:

[0021] The filter press assembly frame lifting device and lifting method of the present invention comprises two guide rails are laid on both sides of the filter press, and the driving member at the bottom of the movable plate drives the movable plate to move on the guide rails. After the lifting arm moves to the top of the filter plate to be lifted, the lifting column is controlled to sink and then drive the lifting arm to sink. The independent filter plates after dispersion are fixed on both sides by clamping claws, and then the lifting column is controlled to rise to grab the filter plate until the height of the filter plate exceeds the height of the entire filter press. After that, driven by the movable plate, the entire filter press is translated to the end of the filter press, the filter plate is sunk and put down, and then the lifting arm and the clamping claw are used to grab the new filter plate, and move it to the original position of the filter plate, and put the filter plate down, thereby completing the lifting, transfer and reassembly of the filter plate. The lifting of the lifting column and the lifting arm is a straight up and down process, so that the assembly process of the filter plate can be carried out more accurately, reducing errors in the assembly process and damage to parts.

[0022] 2. The filter press assembly frame lifting device and lifting method described in the present invention can be achieved by laying three guide rails, preparing two sets of lifting arms and lifting columns, placing the two sets of structures side by side, and connecting the two lifting columns close to each other. At this time, the two lifting columns are located above the same movable plate. When assembling and replacing the filter plate, it is only necessary to prepare the required filter plate on one side, use the lifting arm to grab the filter plate, and grab the filter plate to be replaced on the other side, and then, under the drive of the driving motor, the two lifting columns and the lifting arms are rotated, and then the two lifting arms are lowered at the same time, and the assembly or replacement of the filter plate can be completed. Under this setting, since the lifting arms on both sides grab the filter plate at the same time, the center of gravity of the device can be effectively maintained The balance, reducing the risk of tipping over, and at this time, the length of the guide rail only needs to be the same as the length of the filter plate area of ​​the filter press, and it will not occupy the space at both ends of the filter press. The lifting work can be completed in more occasions, effectively improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Figure 1 is a stereogram of the present invention;

[0025] Figure 2 It is a front view of the present invention;

[0026] Figure 3 is a three-dimensional diagram of the support column and the lifting arm of the present invention;

[0027] Figure 4 is a first-perspective stereogram of the support column and the lifting column of the present invention;

[0028] Figure 5 is a second perspective stereogram of the support column and the lifting column of the present invention;

[0029] Figure 6 is a stereoscopic diagram of the spray pipe of the present invention;

[0030] Figure 7 is a flowchart of the method of the present invention;

[0031] In the figure: 1. guide rail; 2. moving plate; 3. support column; 4. lifting column; 5. lifting arm; 6. docking valve; 7. clamping claw; 8. spray pipe; 9. water tank; 10. driving motor; 11. telescopic valve; 12. slide; 13. separation seat; 14. connecting valve; 15. lifting block; 16. clamping groove; 17. vertical groove; 18. hanging rod; 19. driving pipe; 20. gear ring; 21. counterweight block; 22. spray pipe. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] like Figures 1 to 7 As shown, the frame lifting device for assembling the filter press according to the embodiment of the present invention comprises two guide rails 1, a movable plate 2 is connected above the guide rails 1, a driving member is installed at the bottom of the movable plate 2, a lifting column 4 capable of vertical lifting is installed above the movable plate 2, a lifting arm 5 is installed at the top of the two lifting columns 4, the lifting arm 5 is horizontally arranged, a plurality of clamps 7 capable of fixing the filter plate are installed at the bottom of the lifting arm 5, and a driving motor 10 capable of driving the lifting column 4 to rotate is installed at the top of the movable plate 2;

[0034] When working, traditional lifting devices often use steel cables and hooks for lifting and grabbing, which can easily cause the lifted objects to shake during the lifting and sinking process. The assembly of the filter plates of the filter press requires relatively accurate positioning, because the filter pressing area of ​​the filter press generally uses multiple frames to bind the filter plates. The swinging filter plates during the lifting process are easy to damage the frames and filter plates, which is not conducive to the lifting process of multiple filter plates. In addition, traditional lifting devices can often only move in a single direction, and have high requirements for the use of space. For example, when the length of the hoisted equipment is long, it is necessary to cross a long space to complete the transfer of parts, which has high limitations for indoor mechanical equipment.

[0035] Two guide rails 1 are laid on both sides of the filter press, and the moving plate 2 is driven to move on the guide rails 1 by the driving member at the bottom of the moving plate 2; the driving member can be a motor plus a gear, and a rack is provided in the guide rail 1, which is driven by the gear to control the movement of the moving plate 2; after the lifting arm 5 moves to the top of the filter plate to be hoisted, the lifting column 4 is controlled to sink and then drive the lifting arm 5 to sink; conventional filter presses are equipped with a dispersion module to disperse their own filter plates, so that the filtered matter on the surface of the filter plates falls off; the independent filter plates after dispersion are fixed on both sides with clamps 7, and then controlled The lifting column 4 rises to grab the filter plate until the height of the filter plate exceeds the height of the entire filter press. Then, driven by the moving plate 2, the entire filter press is translated to the end of the filter press, the filter plate is sunk and put down, and then the lifting arm 5 and the clamping claw 7 are used to grab the new filter plate, move it to the original position of the filter plate, and put the filter plate down, thereby completing the lifting, transfer and reassembly of the filter plate. The lifting column 4 and the lifting arm 5 are lifted and lowered in a straight up and down process, so the filter plate assembly process can be carried out more accurately, reducing errors in the assembly process and damage to parts;

[0036] The device can also be used for the initial assembly of the filter press. The new filter plates are picked up from the end one by one using the lifting arm 5, and then moved one by one to the filter pressing area of ​​the filter press, thereby completing the initial assembly of the filter press. When the replacement efficiency needs to be improved, two sets of lifting arms 5 can be used at the same time. The two sets of lifting arms 5 are controlled by different moving disks 2 and share a set of guide rails 1. In this way, during the initial assembly, the filter plates can be lifted from both sides at the same time, saving half the time. In the process of replacing the filter plates, one lifting arm 5 can be used to transfer the old filter plates, and the other lifting arm 5 can be used to transport the new filter plates, thereby improving the efficiency.

[0037] At the same time, the traditional filter press is a long strip structure, and there are other parts at both ends of the filter press, resulting in a long length of space. If the filter plate is transferred at both ends, it is easy to be restricted by the site. By laying three guide rails 1, preparing two sets of lifting arms 5 and lifting columns 4, placing the two sets of structures side by side, and connecting the two lifting columns 4 close to each other, the two lifting columns 4 are located above the same mobile disk 2. When assembling and replacing the filter plate, only the required filter plate needs to be prepared on one side, and the filter plate is grabbed by the lifting arm 5, and the other side is Grab the filter plate that needs to be replaced, and then drive the two lifting columns 4 and the lifting arm 5 to rotate under the drive motor 10, and then put down the two lifting arms 5 at the same time to complete the assembly or replacement of the filter plate. Under this setting, since the lifting arms 5 on both sides grab the filter plate at the same time, the center of gravity balance of the device can be effectively maintained to reduce the risk of tipping. At this time, the length of the guide rail 1 only needs to be the same as the length of the filter plate area of ​​the filter press, and it will not occupy the space at both ends of the filter press. The lifting work can be completed in more occasions, effectively improving the applicability of the device.

[0038] A support column 3 is arranged on the top surface of the movable plate 2, the lifting column 4 is slidably engaged with the outer side of the support column 3, a vertical slot 17 is provided on the outer side of the support column 3, a driving member is also fixedly connected to the side of the lifting column 4 close to the support column 3, the driving member is slidably engaged in the vertical slot 17, a connecting valve 14 is fixedly connected to the outer side of the lifting column 4, and a slot matching the shape of the connecting valve 14 is provided on the lifting column 4;

[0039] During operation, the two aligned lifting columns 4 are fixed by inserting the connecting valve 14 into the slot, and then driven by the driving motor 10, the two lifting columns 4 are controlled to rotate on the top surface of the movable plate 2, so that the two lifting arms 5 are swapped, thereby completing the lifting and replacement of the filter plate. The movement of the lifting columns 4 is driven by the driving member, and the driving member can be a motor plus a gear. A vertical rack is fixedly connected in the vertical groove 17, and the gear is meshed with the rack. The rotation of the gear drives the lifting columns 4 to perform stable lifting work.

[0040] The top surface of the movable plate 2 is concave, and an annular slide groove 12 is provided on the top surface of the movable plate 2, and the bottom of the support column 3 is slidably engaged in the slide groove 12;

[0041] During operation, in order to ensure stable movement of the support column 3, the bottom of the support column 3 is placed in the concave part of the top surface of the moving plate 2, and is restricted by the slide groove 12 to only perform circular movement, thereby reducing the deviation generated during the movement process.

[0042] The bottom surface of the support column 3 is in a disc shape, and a telescopic valve 11 for connecting two support columns 3 is fixedly connected to the top output end of the drive motor 10. A hole adapted to the telescopic valve 11 is provided on the outer side of the support column 3 near the bottom surface;

[0043] When working, the outer edge of the bottom of the support column 3 fits with the top outer edge of the movable plate 2 to reduce the problem of the support column 3 deviating outward. When the two lifting columns 4 are docked, the telescopic valve 11 is started to push out to both ends and combine with the holes of the support column 3 to complete the fixation of the two support columns 3. The drive of the driving motor 10 can drive the two support columns 3 to rotate at the same time, and then control the two lifting arms 5 to complete the position exchange. The two lifting columns 4 are also docked to ensure the synchronous lifting of the two lifting arms 5. The advantage of synchronous lifting is that when the new and old filter plates are hoisted on both sides at the same time, the center of gravity can be centered. At the same time, during the rotation process, the lifting arm 5 on the other side will not be raised to the right position, resulting in mechanical collision, thereby ensuring the stability of the lifting. If necessary, the connecting valve 14 can be removed so that the lifting columns 4 on both sides can be lifted and lowered freely.

[0044] The clamping jaw 7 is composed of two symmetrically arranged metal plates, which are narrow at the bottom and wide at the top. A hydraulic structure for controlling the horizontal movement of the metal plates is installed on the inner side of the lifting arm 5;

[0045] During operation, the bottom of the metal plate, which is narrow at the bottom and wide at the top, can be inserted into the gap between adjacent filter plates more smoothly, making it easier for the clamp 7 to grab. The hydraulic structure can be a hydraulic rod for controlling the merging and opening of the two metal plates, thereby realizing the grabbing and releasing process of the clamp 7.

[0046] A separation seat 13 is inserted at the top of the lifting column 4, a docking valve 6 is installed between the top of the separation seat 13 and the lifting arm 5, and a plurality of lifting blocks 15 are arranged at the front end of the lifting column 4;

[0047] During operation, the separation seat 13 and the lifting arm 5 are connected by the docking valve 6. After the docking valve 6 is opened, the lifting arm 5 can be separated. In this way, when the lifting arm 5 sinks to lift the filter plate, the two ends of the lifting arm 5 are still supported by the two lifting columns 4. Only when the two lifting arms 5 rotate, the docking valve 6 is opened to temporarily separate the two. After rotating into place, the lifting arm 5 is supported by the two lifting columns 4 again, thereby realizing the rotatable function of the lifting arm 5 and ensuring the stable lifting function of the lifting arm 5.

[0048] The front end of the lifting column 4 is fixedly connected with a plurality of hanging rods 18, the front end of the lifting block 15 is provided with a hanging hole extending to the rear end, the top surfaces of the lifting block 15 and the lifting column 4 are both provided with a clamping groove 16, and the bottoms of the lifting block 15 and the separation seat 13 are both fixedly connected with an insert block adapted to the clamping groove 16;

[0049] During operation, in order to adapt to filter presses of different heights, the separation seat 13 can be lifted upwards and a lifting block 15 can be installed on the top of the lifting column 4 to increase the original height of the lifting arm 5. The lifting block 15 can also be docked with the lifting column 4 by plugging it in and out. The assembled lifting block 15 is placed on the hanging rod 18 through the hanging hole for easy access.

[0050] A plurality of rotatable spray pipes 8 are installed on the outside of the lifting arm 5, a water storage tank 9 for supplying water to the spray pipes 8 is fixedly connected to the top of the lifting arm 5, a filling valve is installed at the rear end of the water storage tank 9, and a plurality of spray pipes 22 for spraying are installed on the surface of the spray pipe 8;

[0051] During operation, after the old filter plate is separated, there will generally be filtered residue on its surface. During the replacement process, first lift the old filter plate up to a certain height, or directly rotate the spray pipe 8 to rotate the spray pipe 8 downward. A water pump is installed in the water storage tank 9 to supply water to the spray pipe 22, so as to wash away the residue on the surface of the filter plate. The bottom of the conventional filter press is equipped with a residue receiving device, so that a large amount of residue will not remain on the surface of the transferred old filter plate, reducing the difficulty of post-processing. The filling valve is used to add water to the water storage tank 9; at the same time, during the normal working stage of the filter press, this device can also be used to lift and lower a single filter plate, provide shaking to the filter plate, and flush with the spray pipe 8, so as to assist in the removal of residues during the normal working process of the filter press and improve the functionality of the device.

[0052] A driving pipe 19 is fixedly connected to the top of the spray pipe 8, and the driving pipe 19 is communicated with the water storage tank 9. A gear ring 20 is fixedly connected to the outer side of the driving pipe 19. A reduction motor is installed inside the lifting arm 5. A transmission gear meshing with the gear ring 20 is fixedly connected to the output end of the reduction motor. A counterweight block 21 is fixedly connected to the top of the spray pipe 8;

[0053] During operation, the transmission gear is driven to rotate by the reduction motor, which in turn drives the gear ring 20 and the drive tube 19 to rotate, and finally drives the spray pipe 8 to rotate. At the same time, the water flow is transmitted to the spray pipe 8 through the drive tube 19 to realize spraying. The setting of the counterweight block 21 is to ensure that the center of gravity of the spray pipe 8 as a whole will not be too far away from the drive tube 19, so as to ensure the smooth rotation process. The spray pipes 8 on both sides need to spray alternately to prevent the two from interfering with each other.

[0054] A method for lifting a frame for filter press assembly, which is applicable to the above-mentioned frame lifting device for filter press assembly, is specifically as follows:

[0055] S1: Lay two guide rails 1 on both sides of the filter press, drive the movable plate 2 to move on the guide rails 1 through the driving member at the bottom of the movable plate 2, and after the lifting arm 5 moves to the top of the filter plate to be hoisted, control the lifting column 4 to sink and drive the lifting arm 5 to sink, and fix the two sides of the independent filter plate with the clamping claws 7, and then control the lifting column 4 to rise to grab the filter plate;

[0056] S2: Then, driven by the moving plate 2, the whole is translated to the end of the filter press, the filter plate is sunk and put down, and then the new filter plate is grabbed by the lifting arm 5 and the clamping claw 7, and moved to the original position of the filter plate, and the filter plate is put down, thereby completing the lifting, transfer and reassembly of the filter plate;

[0057] S3: prepare two sets of lifting arms 5 and lifting columns 4, place the two sets of structures side by side, and connect the two lifting columns 4 close to each other. At this time, the two lifting columns 4 are located above the same movable disk 2. When assembling and replacing the filter plate, you only need to prepare the required filter plate on one side, use the lifting arm 5 to grab the filter plate, and grab the filter plate to be replaced on the other side, and then drive the two lifting columns 4 and the lifting arms 5 to rotate under the drive of the driving motor 10, and then the two lifting arms 5 are lowered at the same time to complete the assembly or replacement of the filter plate.

[0058] During operation, two guide rails 1 are laid on both sides of the filter press, and the moving plate 2 is driven to move on the guide rails 1 by the driving member at the bottom of the moving plate 2; the driving member can be a motor plus a gear, and a rack is provided in the guide rail 1, which is driven by the gear to control the movement of the moving plate 2; after the lifting arm 5 moves to the top of the filter plate to be hoisted, the lifting column 4 is controlled to sink and then drive the lifting arm 5 to sink; conventional filter presses are equipped with a dispersion module to disperse their own filter plates, so that the filtered matter on the surface of the filter plates falls off; the independent filter plates after dispersion are fixed on both sides with the clamping claws 7, and then The lifting column 4 is controlled to rise, and the filter plate is grabbed until the height of the filter plate exceeds the height of the entire filter press. Then, driven by the moving plate 2, the entire filter press is translated to the end of the filter press, and the filter plate is sunk and put down. Then, the lifting arm 5 and the clamping claw 7 are used to grab the new filter plate, and move it to the original position of the filter plate, and put the filter plate down, thereby completing the lifting, transfer and reassembly of the filter plate. The lifting column 4 and the lifting arm 5 are lifted and lowered in a straight up and down process, so the filter plate assembly process can be carried out more accurately, reducing errors in the assembly process and damage to parts;

[0059] The device can also be used for the initial assembly of the filter press. The new filter plates are picked up from the end one by one using the lifting arm 5, and then moved one by one to the filter pressing area of ​​the filter press, thereby completing the initial assembly of the filter press. When the replacement efficiency needs to be improved, two sets of lifting arms 5 can be used at the same time. The two sets of lifting arms 5 are controlled by different moving disks 2 and share a set of guide rails 1. In this way, during the initial assembly, the filter plates can be lifted from both sides at the same time, saving half the time. In the process of replacing the filter plates, one lifting arm 5 can be used to transfer the old filter plates, and the other lifting arm 5 can be used to transport the new filter plates, thereby improving the efficiency.

[0060] At the same time, the traditional filter press is a long strip structure, and there are other parts at both ends of the filter press, resulting in a long length of space. If the filter plate is transferred at both ends, it is easy to be restricted by the site. By laying three guide rails 1, preparing two sets of lifting arms 5 and lifting columns 4, placing the two sets of structures side by side, and connecting the two lifting columns 4 close to each other, the two lifting columns 4 are located above the same mobile disk 2. When assembling and replacing the filter plate, only the required filter plate needs to be prepared on one side, and the filter plate is grabbed by the lifting arm 5, and the other side is Grab the filter plate that needs to be replaced, and then drive the motor 10 to rotate the two lifting columns 4 and the lifting arm 5, and then put down the two lifting arms 5 at the same time, so that the filter plate can be assembled or replaced. In this setting, since the lifting arms 5 on both sides grab the filter plate at the same time, the center of gravity of the device can be effectively balanced, reducing the risk of tipping. At this time, the length of the guide rail 1 only needs to be the same as the length of the filter plate area of ​​the filter press, and it will not occupy the space at both ends of the filter press. The lifting work can be completed in more occasions, effectively improving the applicability of the device.

[0061] The two aligned lifting columns 4 are fixed by inserting the connecting valve 14 into the slot, and then driven by the driving motor 10, the two lifting columns 4 are controlled to rotate on the top surface of the moving plate 2, so that the two lifting arms 5 are exchanged, thereby completing the lifting and replacement of the filter plate. The movement of the lifting columns 4 is driven by the driving member, and the driving member can be a motor plus a gear. A vertical rack is fixed in the vertical groove 17, and the gear is meshed with the rack. Under the rotation of the gear, the lifting columns 4 are driven to perform stable lifting work;

[0062] In order to ensure the stable movement of the support column 3, the bottom of the support column 3 is placed in the concave part of the top surface of the moving plate 2, and is restricted by the slide groove 12 to only perform circular motion, thereby reducing the deviation generated during the movement process;

[0063] The outer edge of the bottom of the support column 3 fits with the outer edge of the top of the movable plate 2, reducing the problem of the support column 3 deviating outward. When the two lifting columns 4 are docked, the telescopic valve 11 is started to push out to both ends and combine with the holes of the support column 3 to complete the fixation of the two support columns 3. The drive of the driving motor 10 can simultaneously drive the two support columns 3 to rotate, thereby controlling the two lifting arms 5 to complete the position exchange, and the two lifting columns 4 are also docked to ensure the synchronous lifting of the two lifting arms 5. The advantage of synchronous lifting is that when the new and old filter plates are hoisted on both sides at the same time, the center of gravity can be centered. At the same time, during the rotation process, the lifting arm 5 on the other side will not be raised to the right position, resulting in a mechanical collision, thereby ensuring the stability of the lifting; if necessary, the connecting valve 14 can be removed to allow the lifting columns 4 on both sides to be freely lifted.

[0064] The bottom of the metal plate, which is narrow at the bottom and wide at the top, can be inserted into the gap between adjacent filter plates more smoothly, which is convenient for the gripping work of the clamping claw 7. The hydraulic structure can be a hydraulic rod, which is used to control the merging and opening of the two metal plates, thereby realizing the gripping and releasing process of the clamping claw 7;

[0065] The separation seat 13 and the lifting arm 5 are connected by a docking valve 6. After the docking valve 6 is opened, the lifting arm 5 can be separated. In this way, when the lifting arm 5 sinks to lift the filter plate, the two ends of the lifting arm 5 are still supported by the two lifting columns 4. Only when the two lifting arms 5 rotate, the docking valve 6 is opened to temporarily separate the two. After rotating in place, the lifting arm 5 is supported by the two lifting columns 4 again, thereby realizing the rotatable function of the lifting arm 5 and ensuring the stable lifting function of the lifting arm 5.

[0066] In order to adapt to filter presses of different heights, the separation seat 13 can be lifted upward, and a lifting block 15 can be installed on the top of the lifting column 4 to increase the original height of the lifting arm 5. The lifting block 15 can also be connected to the lifting column 4 by plugging up and down. The assembled lifting block 15 is placed on the hanging rod 18 through the hanging hole for easy access.

[0067] After the old filter plate is separated, there will generally be filtered residue on its surface. During the replacement process, the old filter plate is first lifted up to a certain height, or the spray pipe 8 is directly rotated to rotate the spray pipe 8 downward. A water pump is installed in the water storage tank 9 to supply water to the spray pipe 22, so as to wash away the residue on the surface of the filter plate. The bottom of the conventional filter press is equipped with a residue receiving device, so that a large amount of residue will not remain on the surface of the transferred old filter plate, reducing the difficulty of post-processing. The filling valve is used to add water to the water storage tank 9; at the same time, during the normal working stage of the filter press, this device can also be used to lift and lower a single filter plate, provide shaking to the filter plate, and flush with the spray pipe 8, so as to assist in the removal of residues during the normal working process of the filter press, thereby improving the functionality of the device;

[0068] The transmission gear is driven to rotate by the reduction motor, which in turn drives the gear ring 20 and the drive tube 19 to rotate, and finally drives the spray pipe 8 to rotate. At the same time, the water flow is transmitted to the spray pipe 8 through the drive tube 19 to realize spraying. The setting of the counterweight block 21 is to ensure that the center of gravity of the spray pipe 8 as a whole will not be too far away from the drive tube 19, so as to ensure the smooth rotation process. The spray pipes 8 on both sides need to spray alternately to prevent the two from interfering with each other.

[0069] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. The frame lifting device for filter press assembly is characterized by: The invention comprises two guide rails (1), a movable plate (2) is connected to the top of the guide rails (1), a driving member is installed at the bottom of the movable plate (2), a lifting column (4) capable of vertical lifting is installed above the movable plate (2), a lifting arm (5) is installed at the top of the two lifting columns (4), the lifting arm (5) is arranged horizontally, a plurality of clamping claws (7) capable of fixing a filter plate are installed at the bottom of the lifting arm (5), and a driving motor (10) capable of driving the lifting column (4) to rotate is installed at the top of the movable plate (2).

2. The frame lifting device for filter press assembly according to claim 1, characterized in that: A support column (3) is arranged on the top surface of the movable plate (2); the lifting column (4) is slidably engaged with the outer side of the support column (3); a vertical groove (17) is provided on the outer side of the support column (3); a driving member is also fixedly connected to the side of the lifting column (4) close to the support column (3); the driving member is slidably engaged in the vertical groove (17); a connecting valve (14) is fixedly connected to the outer side of the lifting column (4); and a slot having a shape matching that of the connecting valve (14) is provided on the lifting column (4).

3. The frame lifting device for filter press assembly according to claim 2, characterized in that: The top surface of the movable plate (2) is concavely arranged, and an annular sliding groove (12) is provided on the top surface of the movable plate (2), and the bottom of the support column (3) is slidably engaged in the sliding groove (12).

4. The frame lifting device for filter press assembly according to claim 3, characterized in that: The bottom surface of the support column (3) is arranged in a disc shape, a telescopic valve (11) for connecting two support columns (3) is fixedly connected to the top output end of the drive motor (10), and a hole adapted to the telescopic valve (11) is provided on the outer side of the support column (3) near the bottom surface.

5. The frame lifting device for filter press assembly according to claim 4, characterized in that: The clamping claw (7) is composed of two symmetrically arranged metal plates, the metal plates being narrow at the bottom and wide at the top, and a hydraulic structure for controlling the horizontal movement of the metal plates is installed on the inner side of the lifting arm (5).

6. The frame lifting device for filter press assembly according to claim 5, characterized in that: A separation seat (13) is inserted into the top of the lifting column (4), a docking valve (6) is installed between the top of the separation seat (13) and the lifting arm (5), and a plurality of lifting blocks (15) are arranged at the front end of the lifting column (4).

7. The frame lifting device for filter press assembly according to claim 6, characterized in that: The front end of the lifting column (4) is fixedly connected to a plurality of hanging rods (18); the front end of the lifting block (15) is provided with a hanging hole extending to the rear end; the top surfaces of the lifting block (15) and the lifting column (4) are both provided with a clamping groove (16); the bottoms of the lifting block (15) and the separation seat (13) are both fixedly connected to an insert block adapted to the clamping groove (16).

8. The frame lifting device for filter press assembly according to claim 7, characterized in that: A plurality of rotatable spray pipes (8) are mounted on the outside of the lifting arm (5); a water storage tank (9) for supplying water to the spray pipes (8) is fixedly connected to the top of the lifting arm (5); a filling valve is mounted at the rear end of the water storage tank (9); and a plurality of spray pipes (22) for spraying are mounted on the surface of the spray pipe (8).

9. The frame lifting device for filter press assembly according to claim 8, characterized in that: A driving pipe (19) is fixedly connected to the top of the spray pipe (8), the driving pipe (19) is in communication with the water storage tank (9), a gear ring (20) is fixedly connected to the outside of the driving pipe (19), a reduction motor is installed inside the lifting arm (5), a transmission gear meshing with the gear ring (20) is fixedly connected to the output end of the reduction motor, and a counterweight (21) is fixedly connected to the top of the spray pipe (8).

10. A method for lifting a frame for filter press assembly, characterized in that: The lifting method is applicable to the frame lifting device for filter press assembly described in any one of claims 1 to 9, and the method is specifically as follows: S1: Lay two guide rails (1) on both sides of the filter press, drive the movable plate (2) to move on the guide rails (1) through the driving member at the bottom of the movable plate (2), and after the lifting arm (5) moves to the top of the filter plate to be lifted, control the lifting column (4) to sink and drive the lifting arm (5) to sink, fix the two sides of the independent filter plate with the clamping claws (7), and then control the lifting column (4) to rise to grab the filter plate; S2: Then, driven by the moving plate (2), the whole is moved horizontally to the end of the filter press, the filter plate is sunk and put down, and then the new filter plate is grabbed by the lifting arm (5) and the clamping claw (7), and moved to the original position of the filter plate, and the filter plate is put down, thereby completing the lifting, transfer and reassembly of the filter plate; S3: prepare two sets of lifting arms (5) and lifting columns (4), place the two sets of structures side by side, and connect the two lifting columns (4) close to each other. At this time, the two lifting columns (4) are located above the same movable plate (2). When assembling and replacing the filter plate, it is only necessary to prepare the required filter plate on one side, use the lifting arm (5) to grab the filter plate, and grab the filter plate to be replaced on the other side. Then, under the drive of the driving motor (10), the two lifting columns (4) and the lifting arm (5) are rotated, and then the two lifting arms (5) are lowered at the same time, and the assembly or replacement of the filter plate can be completed.

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