A self-adapting changing climbing platform for foundry

Abstract

The present application relates to the technical field of guide column lifting platform, and discloses a self-adapting change climbing operation platform for foundry, which comprises a base, a hydraulic lifting cylinder and a self-adapting adjusting assembly installed on the base, a lifting operation table connected to the top of the hydraulic lifting cylinder and the self-adapting adjusting assembly, an offset adjusting assembly installed on the lifting operation table, and a counterweight adjusting block sidewall connected to the offset adjusting assembly; the counterweight adjusting block is centrally installed at the bottom of the lifting operation table. When the lifting operation table is driven to move upward by the hydraulic lifting cylinder, the adapter sleeve is driven to rotate by the guide screw and the screw sleeve, the steel wire rope roller is synchronously rotated by the adapter sleeve, the steel wire rope is released by the steel wire rope roller, the counterweight adjusting block is hung by the steel wire rope and moves downward along the guide sleeve relative to the lifting operation table with the increase of the length of the released steel wire rope, the gravity center of the lifting operation table moves downward, the anti-offset load capacity is improved, and the shaking is reduced.

Description

Technical Field

[0001] This invention relates to the field of guide column lifting platform technology, and more specifically to an adaptive and adaptable elevated work platform for foundries. Background Technology

[0002] Sand casting is a casting method that produces castings in sand molds. It has low mold costs and is suitable for extra-large castings, such as wind turbine main shafts, bearing housings, and bases, exceeding 2 meters in length. Because wind turbine main shaft castings exceed 2 meters, sand boxes need to be stacked and secured layer by layer. This process requires the use of lifting equipment to raise the sand boxes to a suitable height, align the connection holes of two sand boxes, and then connect the two sand boxes with bolts. During this process, operators need to move to the sand box connection point via a lifting platform.

[0003] To improve the lifting stability of existing aerial work platforms, guide columns are needed to provide guidance. Guide column lifting platforms rely on multiple precision guide columns and guide sleeves to achieve vertical guidance, as illustrated in patents published in CN220376305U and CN215201877U. However, the existing technology has the following technical problems; First, as the platform is raised, the center of gravity increases, the cantilever length of the guide columns increases, and the resistance to eccentric loads decreases significantly, making it more prone to slight tilting and swaying. Existing technology cannot adjust the platform's center of gravity according to its height. Second, when the platform is raised to a high position, the high center of gravity makes it prone to slight eccentricity or even tipping over when people move around. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an adaptively changing aerial work platform for foundries that can adjust its center of gravity as the platform rises.

[0005] The objective of this invention can be achieved through the following technical solutions: An adaptive adjustable working platform for a foundry includes a base, on which a hydraulic lifting cylinder and an adaptive adjustment component are mounted. A lifting platform is connected to the top of the hydraulic lifting cylinder and the adaptive adjustment component. An offset adjustment component is mounted on the lifting platform and connected to the side wall of a counterweight adjustment block. A counterweight adjustment block is centrally mounted at the bottom of the lifting platform. The adaptive adjustment component includes a lead screw sleeve fixedly mounted on the base and a guide screw rotatably mounted at the bottom of the lifting platform. The lead screw sleeve is connected to the guide screw, which is connected to a wire rope roller. The wire rope roller is connected to the counterweight adjustment block via a steel rope. When the hydraulic lifting cylinder drives the lifting platform upward, it drives the wire rope roller to rotate via the lead screw sleeve and the guide screw, releasing the rope. When the hydraulic lifting cylinder drives the lifting platform downward, the wire rope roller retracts the rope.

[0006] Preferably, a cable take-up groove is provided inside the lifting platform, and a guide roller is rotatably installed inside the cable take-up groove. The steel rope is connected to a counterweight adjustment block via the guide roller.

[0007] Preferably, the top of the counterweight adjustment block has an adjustment groove, and the end of the steel rope is connected to an adjustment slider, which slides in conjunction with the adjustment groove.

[0008] Preferably, an adapter sleeve is rotatably installed at the bottom of the lifting platform, a wire rope roller is installed on the top of the adapter sleeve, and the bottom of the adapter sleeve is coaxially connected to the guide screw.

[0009] Preferably, a guide sleeve is installed at the bottom of the lifting platform, and the counterweight adjustment block slides inside the guide sleeve.

[0010] Preferably, the offset adjustment assembly includes a balance adjustment block slidably installed inside the lifting work platform, a guide slider slidably installed laterally on the balance adjustment block, a guide sleeve installed on the guide slider, and the guide sleeve connected to the side wall of the counterweight adjustment block by a traction rope.

[0011] Preferably, the top of the lifting platform is connected to a top push plate via ball bearings, and one side of the top push plate is connected to a guide push block via a connecting rod. A strip-shaped groove is opened on the inner wall of the lifting platform, and the guide push block slides in conjunction with the strip-shaped groove. A horizontal push block is installed on the top of the balance adjustment block, and the horizontal push block abuts against the guide push block.

[0012] Preferably, a guide groove is formed on the balance adjustment block, and a guide slider is slidably installed inside the guide groove. A horizontal spring is built into the guide groove and is connected to the guide slider.

[0013] Preferably, an L-shaped groove is formed on the inner wall of the lifting platform, and the balance adjustment block slides in conjunction with the L-shaped groove; a transverse return spring is installed on the side wall of the lifting platform, and a return push plate is installed on the transverse return spring, with the return push plate abutting against the balance adjustment block.

[0014] Preferably, the hydraulic lifting cylinder and the adaptive adjustment component are located at the four corners of the lifting platform, and the hydraulic lifting cylinder and the adaptive adjustment component are arranged in a cross pattern.

[0015] The beneficial effects of this invention are: (1) When the lifting platform is driven to move upward by the hydraulic lifting cylinder, the guide screw and screw sleeve are connected to drive the adapter sleeve to rotate. The adapter sleeve drives the wire rope roller to rotate synchronously. The wire rope roller releases the steel rope. As the length of the released steel rope increases, the steel rope suspends the counterweight adjustment block and moves downward relative to the lifting platform along the guide sleeve. The center of gravity of the lifting platform moves downward, improving the anti-eccentric load capacity and reducing swaying. As the lifting platform is continuously raised, the steel rope released by the wire rope roller becomes longer. The counterweight adjustment block moves downward along the guide sleeve, and the center of gravity of the lifting platform moves further downward. This allows the counterweight adjustment block to adaptively adjust the center of gravity according to the lifting height of the lifting platform, improving the lifting stability of the lifting platform.

[0016] (2) When the lifting platform of the present invention is raised, the counterweight adjustment block moves down relative to the lifting platform. When the counterweight adjustment block moves down, it drives the traction rope to move. The traction rope pulls the guide slider on the guide sleeve to slide along the guide groove. The horizontal spring is compressed. At the same time, the counterweight adjustment block drives the balance adjustment block to move down along the vertical groove of the L-shaped slide through the traction rope. The longitudinal return spring is stretched. When the guide slider slides to the other end of the guide groove, the balance adjustment block slides to the bottom of the vertical groove of the L-shaped slide. The counterweight adjustment block slides out from the guide sleeve, and the lifting platform is raised to the highest point. If the personnel walk to one side of the lifting platform, the top push plate at the top of the lifting platform rotates in that direction. At this time, the top push plate at the corresponding position pushes the guide push block to move through the connecting rod. The guide push block pushes the corresponding balance adjustment block to slide laterally along the L-shaped slide through the horizontal push block, so that the balance adjustment block moves to the other side of the lifting platform. The balance adjustment block drives the counterweight adjustment block to move in the same direction, so that the counterweight adjustment block shifts to the other side of the lifting platform, balancing the lifting platform and preventing the lifting platform from shifting in the direction of personnel movement.

[0017] (3) When the lifting platform is driven to move up by the hydraulic lifting cylinder, the balance adjustment block slides along the vertical groove of the L-shaped slide. At this time, the horizontal push block abuts against the guide push block, so that the top push plate remains fixed. This prevents the counterweight adjustment block from moving in the opposite direction during the lifting process, which would cause the two movements to overlap and generate low-frequency resonance of the whole machine, thereby aggravating the wear of the guide column. Attached Figure Description

[0018] The invention will now be further described with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a front view of the overall structure of the present invention.

[0021] Figure 3 It is along Figure 1 Dashed line structural section view.

[0022] Figure 4 This is a schematic diagram of the overall structure of the adaptive adjustment component.

[0023] Figure 5 This is a schematic diagram of the overall structure of the present invention.

[0024] Figure 6 It is along Figure 5 Dashed line structural section view.

[0025] Figure 7 This is a schematic diagram of the overall structure of the offset adjustment component.

[0026] Figure 8 This is a schematic diagram of the split structure of the offset adjustment component.

[0027] In the diagram: 1. Base; 2. Hydraulic lifting cylinder; 3. Adaptive adjustment assembly; 301. Screw sleeve; 302. Guide screw; 303. Adapter sleeve; 304. Wire rope roller; 305. Steel rope; 306. Guide roller; 307. Adjusting slider; 308. Adjusting groove; 309. Take-up groove; 4. Lifting work platform; 5. Top push plate; 6. Counterweight adjustment block; 7. Guide sleeve; 8. Offset adjustment assembly; 801. Balance adjustment block; 802. Guide groove; 803. Horizontal spring; 804. Guide slider; 805. Guide sleeve; 806. Traction rope; 807. Connecting rod; 808. Guide push block; 809. Lateral push block; 810. Lateral return spring; 811. Return push plate; 812. Strip groove; 813. L-shaped groove; 814. Longitudinal return spring; 9. Ball bearing. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-8As shown, this invention is an adaptive adjustable working platform for a foundry, comprising a base 1, on which a hydraulic lifting cylinder 2 and an adaptive adjustment component 3 are mounted. The top of the hydraulic lifting cylinder 2 and the adaptive adjustment component 3 are connected to a lifting platform 4. An offset adjustment component 8 is mounted on the lifting platform 4 and connected to the side wall of a counterweight adjustment block 6. The counterweight adjustment block 6 is centrally mounted at the bottom of the lifting platform 4. The adaptive adjustment component 3 includes a lead screw sleeve 301 fixedly mounted on the base 1 and a rotating... A guide screw 302 is installed at the bottom of the lifting platform 4. A screw sleeve 301 is connected to the guide screw 302. The guide screw 302 is connected to a wire rope roller 304. The wire rope roller 304 is connected to a counterweight adjustment block 6 through a steel rope 305. When the hydraulic lifting cylinder 2 drives the lifting platform 4 to move upward, the wire rope roller 304 is driven to rotate through the connection between the screw sleeve 301 and the guide screw 302, and the wire rope roller 304 releases the rope. When the hydraulic lifting cylinder 2 drives the lifting platform 4 to move downward, the wire rope roller 304 retracts the rope.

[0030] It should be noted that the overturning moment of existing technology = eccentric load × center of gravity height. The higher the center of gravity, the greater the overturning moment will be under the same eccentricity and the same force. Therefore, the influence of the center of gravity needs to be considered for high-level operations.

[0031] In the initial state, such as Figure 2 As shown, the counterweight adjusting block 6 is inserted into the guide sleeve 7.

[0032] The lifting platform 4 rises: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move upward. This is connected to the guide screw 302 and screw sleeve 301, causing the adapter sleeve 303 to rotate. The adapter sleeve 303 then drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 releases the steel rope 305. As the length of the released steel rope 305 increases, the steel rope 305, suspending the counterweight adjustment block 6, moves downward relative to the lifting platform 4 along the guide sleeve 7. This lowers the center of gravity of the lifting platform 4, improving its resistance to eccentric loads and reducing swaying. As the lifting platform 4 continues to rise, the steel rope 305 released by the wire rope roller 304 becomes longer, and the counterweight adjustment block 6 continues to move downward along the guide sleeve 7. This further lowers the center of gravity of the lifting platform 4, allowing the counterweight adjustment block 6 to adaptively adjust its center of gravity according to the lifting height of the lifting platform 4, thus improving the lifting stability of the lifting platform 4.

[0033] The lifting platform 4 moves downward: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move downward. The guide screw 302 is connected to the screw sleeve 301, which drives the adapter sleeve 303 to rotate in the opposite direction. The adapter sleeve 303 drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 retracts the steel rope 305. As the steel rope 305 is retracted, the steel rope 305 pulls the counterweight adjustment block 6 to move upward relative to the lifting platform 4 along the guide sleeve 7, and the counterweight adjustment block 6 is put into the guide sleeve 7.

[0034] See Figures 1-3 The lifting platform 4 has a cable take-up groove 309 inside, and a guide roller 306 is rotatably installed inside the cable take-up groove 309. The steel rope 305 is connected to the counterweight adjustment block 6 through the guide roller 306. Specifically, an adapter sleeve 303 is rotatably installed at the bottom of the lifting platform 4, and a wire rope roller 304 is installed on the top of the adapter sleeve 303. The bottom of the adapter sleeve 303 is coaxially connected to the guide screw 302.

[0035] It should be noted that in this invention, the steel rope 305 is connected to the counterweight adjustment block 6 via the guide roller 306, thereby reducing wear on the steel rope 305. An adapter sleeve 303 is installed at the bottom of this invention, connecting the guide screw 302 and the wire rope roller 304. This adapter sleeve 303 encapsulates the wire rope roller 304 inside the lifting platform 4, improving the stability of the wire rope roller 304's movement.

[0036] See Figures 5-8 The offset adjustment assembly 8 includes a balance adjustment block 801 slidably installed inside the lifting platform 4. A guide slider 804 is slidably installed laterally on the balance adjustment block 801. A guide sleeve 805 is installed on the guide slider 804. The guide sleeve 805 is connected to the side wall of the counterweight adjustment block 6 via a traction rope 806. The top of the lifting platform 4 is connected to the top push plate 5 via ball bearings 9. One side of the top push plate 5 is connected to the guide push block 808 via a connecting rod 807. A strip-shaped groove 812 is opened on the inner wall of the lifting platform 4. The guide push block 808 slides in cooperation with the strip-shaped groove 812. A transverse push block 809 is installed on the top of the balance adjustment block 801. The transverse push block 809 abuts against the guide push block 808. A guide groove 802 is opened on the balance adjustment block 801. The guide slider 804 is slidably installed inside the guide groove 802. A transverse spring 803 is built into the guide groove 802. The transverse spring 803 is connected to the guide slider 804. Specifically, an L-shaped groove 813 is formed on the inner wall of the lifting platform 4, and the balance adjustment block 801 slides in conjunction with the L-shaped groove 813; a transverse return spring 810 is installed on the side wall of the lifting platform 4, and a return push plate 811 is installed on the transverse return spring 810, which abuts against the balance adjustment block 801. A guide sleeve 7 is installed at the bottom of the lifting platform 4, and the counterweight adjustment block 6 slides inside the guide sleeve 7.

[0037] It should be noted that when the platform of the lifting work platform 4 is raised to a high position, the movement of personnel will change the eccentric load of the lifting work platform 4. For example, the more personnel move to one side of the lifting work platform 4, the more likely the lifting work platform 4 will shift or even tip over.

[0038] Based on this, in the initial state, the balance adjustment block 801 is located at the top of the vertical groove of the L-shaped slide 813 under the action of the longitudinal reset spring 814. As the lifting platform 4 is raised, the counterweight adjustment block 6 moves down relative to the lifting platform 4. When the counterweight adjustment block 6 moves down, it drives the traction rope 806 to move. The traction rope 806 pulls the guide slider 804 on the guide sleeve 805 to slide along the guide groove 802. The horizontal spring 803 is compressed. At the same time, the counterweight adjustment block 6 drives the balance adjustment block 801 to move down along the vertical groove of the L-shaped slide 813 through the traction rope 806. The longitudinal reset spring 814 is stretched. The counterweight adjustment block 6 slides out from the guide sleeve 7. When the guide slider 804 slides to the other end of the guide groove 802, the balance adjustment block 801 slides to the bottom of the vertical groove of the L-shaped slide 813, and the lifting platform 4 rises to the highest point. When personnel walk towards one side of the lifting platform 4, the top push plate 5 at the top of the lifting platform 4 rotates in that direction. At this time, the top push plate 5 at the corresponding position pushes the guide push block 808 to move through the connecting rod 807. The guide push block 808 pushes the corresponding balance adjustment block 801 to slide laterally along the L-shaped slide groove 813 through the transverse push block 809, so that the balance adjustment block 801 moves towards the other side of the lifting platform 4. The balance adjustment block 801 drives the counterweight adjustment block 6 to move in the same direction, so that the counterweight adjustment block 6 shifts towards the other side of the lifting platform 4, balancing the lifting platform 4 and preventing the lifting platform 4 from shifting in the direction of personnel movement.

[0039] During the upward movement of the lifting platform 4, the balance adjustment block 801 slides along the vertical groove of the L-shaped slide 813. At this time, the horizontal push block 809 abuts against the guide push block 808, keeping the top push plate 5 in a fixed state. This prevents the counterweight adjustment block 6 from moving in the opposite direction when personnel on the lifting platform 4 move to one side of the lifting platform 4 during the lifting process. This would cause the two movements to overlap and generate low-frequency resonance of the whole machine, thereby aggravating the wear of the guide column.

[0040] See Figure 3 The top of the counterweight adjusting block 6 has an adjusting groove 308, and the end of the steel rope 305 is connected to the adjusting slider 307, which slides in conjunction with the adjusting groove 308.

[0041] It should be noted that when the lifting platform 4 is raised to the high position, if the personnel on the lifting platform 4 walk to one side of the lifting platform 4, the counterweight adjustment block 6 reverse movement adjustment mechanism is triggered. As the counterweight adjustment block 6 moves, the adjustment slider 307 adjusts the counterweight adjustment block 6 by sliding with the adjustment groove 308, so that the counterweight adjustment block 6 is in a balanced state and prevents the counterweight adjustment block 6 from tilting.

[0042] The adjustment method of the present invention: Method 1: In existing technologies, the overturning moment equals the eccentric load multiplied by the center of gravity height. The higher the center of gravity, the greater the overturning moment under the same eccentricity and force. Therefore, the influence of the center of gravity needs to be considered for high-level operations. Based on this, the present invention, in its initial state, such as... Figure 2 As shown, the counterweight adjusting block 6 is inserted into the guide sleeve 7.

[0043] The lifting platform 4 rises: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move upward. This is connected to the guide screw 302 and screw sleeve 301, causing the adapter sleeve 303 to rotate. The adapter sleeve 303 then drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 releases the steel rope 305. As the length of the released steel rope 305 increases, the steel rope 305, suspending the counterweight adjustment block 6, moves downward relative to the lifting platform 4 along the guide sleeve 7. This lowers the center of gravity of the lifting platform 4, improving its resistance to eccentric loads and reducing swaying. As the lifting platform 4 continues to rise, the steel rope 305 released by the wire rope roller 304 becomes longer, and the counterweight adjustment block 6 continues to move downward along the guide sleeve 7. This further lowers the center of gravity of the lifting platform 4, allowing the counterweight adjustment block 6 to adaptively adjust its center of gravity according to the lifting height of the lifting platform 4, thus improving the lifting stability of the lifting platform 4.

[0044] The lifting platform 4 moves downward: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move downward. The guide screw 302 is connected to the screw sleeve 301, which drives the adapter sleeve 303 to rotate in the opposite direction. The adapter sleeve 303 drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 retracts the steel rope 305. As the steel rope 305 is retracted, the steel rope 305 pulls the counterweight adjustment block 6 to move upward relative to the lifting platform 4 along the guide sleeve 7, and the counterweight adjustment block 6 is put into the guide sleeve 7.

[0045] Method 2: When the platform of the lifting work platform 4 is raised to a high position, the movement of personnel will change the eccentric load of the lifting work platform 4. For example, the more personnel move to one side of the lifting work platform 4, the more likely the lifting work platform 4 will shift or even tip over.

[0046] Based on this, in the initial state, the balance adjustment block 801 is located at the top of the vertical groove of the L-shaped slide 813 under the action of the longitudinal reset spring 814. As the lifting platform 4 is raised, the counterweight adjustment block 6 moves down relative to the lifting platform 4. When the counterweight adjustment block 6 moves down, it drives the traction rope 806 to move. The traction rope 806 pulls the guide slider 804 on the guide sleeve 805 to slide along the guide groove 802. The horizontal spring 803 is compressed. At the same time, the counterweight adjustment block 6 drives the balance adjustment block 801 to move down along the vertical groove of the L-shaped slide 813 through the traction rope 806. The longitudinal reset spring 814 is stretched. The counterweight adjustment block 6 slides out from the guide sleeve 7. When the guide slider 804 slides to the other end of the guide groove 802, the balance adjustment block 801 slides to the bottom of the vertical groove of the L-shaped slide 813, and the lifting platform 4 rises to the highest point. When personnel walk towards one side of the lifting platform 4, the top push plate 5 at the top of the lifting platform 4 rotates in that direction. At this time, the top push plate 5 at the corresponding position pushes the guide push block 808 to move through the connecting rod 807. The guide push block 808 pushes the corresponding balance adjustment block 801 to slide laterally along the L-shaped slide groove 813 through the transverse push block 809, so that the balance adjustment block 801 moves towards the other side of the lifting platform 4. The balance adjustment block 801 drives the counterweight adjustment block 6 to move in the same direction, so that the counterweight adjustment block 6 shifts towards the other side of the lifting platform 4, balancing the lifting platform 4 and preventing the lifting platform 4 from shifting in the direction of personnel movement.

[0047] It should be noted that during the upward movement of the lifting platform 4, the balance adjustment block 801 slides along the vertical groove of the L-shaped slide 813. At this time, the horizontal push block 809 abuts against the guide push block 808, keeping the top push plate 5 in a fixed state. This prevents the counterweight adjustment block 6 from moving in the opposite direction when personnel on the lifting platform 4 move to one side of the lifting platform 4 during the lifting process. This would cause the two movements to overlap and generate low-frequency resonance of the whole machine, thereby aggravating the wear of the guide column.

[0048] Working principle of the invention: The lifting platform 4 rises: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move upward. This is connected to the guide screw 302 and screw sleeve 301, causing the adapter sleeve 303 to rotate. The adapter sleeve 303 then drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 releases the steel rope 305. As the length of the released steel rope 305 increases, the steel rope 305, suspending the counterweight adjustment block 6, moves downward relative to the lifting platform 4 along the guide sleeve 7. This lowers the center of gravity of the lifting platform 4, improving its resistance to eccentric loads and reducing swaying. As the lifting platform 4 continues to rise, the steel rope 305 released by the wire rope roller 304 becomes longer, and the counterweight adjustment block 6 continues to move downward along the guide sleeve 7. This further lowers the center of gravity of the lifting platform 4, allowing the counterweight adjustment block 6 to adaptively adjust its center of gravity according to the lifting height of the lifting platform 4, thus improving the lifting stability of the lifting platform 4.

[0049] The lifting platform 4 moves downward: The hydraulic lifting cylinder 2 drives the lifting platform 4 to move downward. The guide screw 302 is connected to the screw sleeve 301, which drives the adapter sleeve 303 to rotate in the opposite direction. The adapter sleeve 303 drives the wire rope roller 304 to rotate synchronously. The wire rope roller 304 retracts the steel rope 305. As the steel rope 305 is retracted, the steel rope 305 pulls the counterweight adjustment block 6 to move upward relative to the lifting platform 4 along the guide sleeve 7, and the counterweight adjustment block 6 is put into the guide sleeve 7.

[0050] Furthermore, when the platform of the lifting work platform 4 is raised to a high position, the movement of personnel will change the eccentric load of the lifting work platform 4. For example, the more personnel move to one side of the lifting work platform 4, the more likely the lifting work platform 4 will shift or even tip over.

[0051] Based on this, in the initial state, the balance adjustment block 801 is located at the top of the vertical groove of the L-shaped slide 813 under the action of the longitudinal reset spring 814. As the lifting platform 4 is raised, the counterweight adjustment block 6 moves down relative to the lifting platform 4. When the counterweight adjustment block 6 moves down, it drives the traction rope 806 to move. The traction rope 806 pulls the guide slider 804 on the guide sleeve 805 to slide along the guide groove 802. The horizontal spring 803 is compressed. At the same time, the counterweight adjustment block 6 drives the balance adjustment block 801 to move down along the vertical groove of the L-shaped slide 813 through the traction rope 806. The longitudinal reset spring 814 is stretched. The counterweight adjustment block 6 slides out from the guide sleeve 7. When the guide slider 804 slides to the other end of the guide groove 802, the balance adjustment block 801 slides to the bottom of the vertical groove of the L-shaped slide 813, and the lifting platform 4 rises to the highest point. When personnel walk towards one side of the lifting platform 4, the top push plate 5 at the top of the lifting platform 4 rotates in that direction. At this time, the top push plate 5 at the corresponding position pushes the guide push block 808 to move through the connecting rod 807. The guide push block 808 pushes the corresponding balance adjustment block 801 to slide laterally along the L-shaped slide groove 813 through the transverse push block 809, so that the balance adjustment block 801 moves towards the other side of the lifting platform 4. The balance adjustment block 801 drives the counterweight adjustment block 6 to move in the same direction, so that the counterweight adjustment block 6 shifts towards the other side of the lifting platform 4, balancing the lifting platform 4 and preventing the lifting platform 4 from shifting in the direction of personnel movement.

[0052] During the upward movement of the lifting platform 4, the balance adjustment block 801 slides along the vertical groove of the L-shaped slide 813. At this time, the horizontal push block 809 abuts against the guide push block 808, keeping the top push plate 5 in a fixed state. This prevents the counterweight adjustment block 6 from moving in the opposite direction when personnel on the lifting platform 4 move to one side of the lifting platform 4 during the lifting process. This would cause the two movements to overlap and generate low-frequency resonance of the whole machine, thereby aggravating the wear of the guide column.

[0053] The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An adaptive, variable-height working platform for a foundry, characterized in that, Includes a base (1), on which a hydraulic lifting cylinder (2) and an adaptive adjustment component (3) are installed. The top of the hydraulic lifting cylinder (2) and the adaptive adjustment component (3) are connected to a lifting work platform (4). An offset adjustment component (8) is installed on the lifting work platform (4). The offset adjustment component (8) is connected to the side wall of the counterweight adjustment block (6). The lifting platform (4) has a counterweight adjustment block (6) installed in the center of its bottom. The adaptive adjustment component (3) includes a screw sleeve (301) fixedly installed on the base (1) and a guide screw (302) rotatably installed on the bottom of the lifting platform (4). The screw sleeve (301) is connected to the guide screw (302). The guide screw (302) is connected to the wire rope roller (304). The wire rope roller (304) is connected to the counterweight adjustment block (6) through the steel rope (305) on it. When the hydraulic lifting cylinder (2) drives the lifting platform (4) to move upward, the wire rope roller (304) is driven to rotate through the screw sleeve (301) and the guide screw (302), and the wire rope roller (304) releases the rope. When the hydraulic lifting cylinder (2) drives the lifting platform (4) to move downward, the wire rope roller (304) retracts the rope.

2. The adaptive high-altitude work platform for a foundry according to claim 1, characterized in that, The lifting platform (4) has a take-up groove (309) inside, and a guide roller (306) is rotatably installed inside the take-up groove (309). The steel rope (305) is connected to the counterweight adjustment block (6) via the guide roller (306).

3. The adaptive high-altitude work platform for a foundry according to claim 2, characterized in that, The counterweight adjusting block (6) has an adjusting groove (308) on its top, and the steel rope (305) is connected to an adjusting slider (307) at its end. The adjusting slider (307) and the adjusting groove (308) are in sliding cooperation.

4. The adaptive high-altitude work platform for a foundry according to claim 1, characterized in that, The bottom of the lifting platform (4) is rotatably mounted with a transition sleeve (303), the wire rope roller (304) is mounted on the top of the transition sleeve (303), and the bottom of the transition sleeve (303) is coaxially connected with the guide screw (302).

5. The adaptive high-altitude work platform for a foundry according to claim 1, characterized in that, The bottom of the lifting platform (4) is equipped with a guide sleeve (7), and the counterweight adjustment block (6) slides inside the guide sleeve (7).

6. The adaptive high-altitude work platform for a foundry according to claim 1, characterized in that, The offset adjustment assembly (8) includes a balance adjustment block (801) that is slidably installed inside the lifting platform (4). A guide slider (804) is slidably installed on the balance adjustment block (801). A guide sleeve (805) is installed on the guide slider (804). The guide sleeve (805) is connected to the side wall of the counterweight adjustment block (6) by a traction rope (806).

7. The adaptive high-altitude work platform for a foundry according to claim 6, characterized in that, The top of the lifting platform (4) is connected to the top push plate (5) via ball bearings (9). One side of the top push plate (5) is connected to the guide push block (808) via a connecting rod (807). A strip-shaped sliding groove (812) is opened on the inner wall of the lifting platform (4). The guide push block (808) slides in cooperation with the strip-shaped sliding groove (812). A horizontal push block (809) is installed on the top of the balance adjustment block (801). The horizontal push block (809) abuts against the guide push block (808).

8. The adaptive high-altitude work platform for a foundry according to claim 7, characterized in that, The balance adjustment block (801) has a guide groove (802), and the guide slider (804) is slidably installed inside the guide groove (802). The guide groove (802) has a built-in horizontal spring (803), and the horizontal spring (803) is connected to the guide slider (804).

9. The adaptive high-altitude work platform for a foundry according to claim 8, characterized in that, The inner wall of the lifting platform (4) is provided with an L-shaped slide groove (813), and the balance adjustment block (801) slides in cooperation with the L-shaped slide groove (813); a transverse reset spring (810) is installed on the side wall of the lifting platform (4), and a reset push plate (811) is installed on the transverse reset spring (810), so that the reset push plate (811) abuts against the balance adjustment block (801).

10. The adaptive adjustable aerial work platform for a foundry according to claim 1, characterized in that, The hydraulic lifting cylinder (2) and the adaptive adjustment component (3) are located at the four corners of the lifting platform (4), and the hydraulic lifting cylinder (2) and the adaptive adjustment component (3) are arranged in a cross pattern.

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