A lifting device for dismantling waste agricultural machinery

Abstract

The present invention discloses a lifting device for dismantling waste agricultural machinery, which relates to the technical field of agricultural machinery lifting. The device comprises a maintenance plate, the lower side of which is fixedly connected to a support leg, the upper side of which is fixedly connected to two vertical plates, the outer sides of the two vertical plates are each provided with a lifting groove, the inner side of the lifting groove is slidably connected to a lifting block, a connecting plate is fixedly connected between the two lifting blocks, and the lower side of the connecting plate is fixedly connected to two hooks. The lifting device for dismantling waste agricultural machinery is provided with a maintenance plate, a lifting block, a connecting plate, a lifting roller, a motor, a connecting rope, and a hook, so that the hook can conveniently control the lifting of the waste agricultural machinery. The device also uses a mounting block, a side plate, a slant plate, a lifting plate, and a hydraulic rod to facilitate the hydraulic rod to control the front and rear side plates to rotate toward the waste agricultural machinery, thereby facilitating the front and rear ends of the waste agricultural machinery to be limited and increasing the stability of the waste agricultural machinery.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery lifting, in particular to a lifting device for dismantling waste agricultural machinery. Background Art

[0002] Used agricultural machinery refers to agricultural machinery that is no longer usable due to aging, damage, technological obsolescence, or long-term inactivity, such as tractors, harvesters, and rice transplanters. When recycling used agricultural machinery, it must be disassembled and lifted using a lifting device to facilitate disassembly.

[0003] After searching, the Chinese patent with application number "CN202122112660.7" is specifically a lifting device for disassembling agricultural machinery, including a support base, which is arranged at the lower part of the device, and a plurality of rolling parts for movement are provided at the lower part of the support base, and a counterweight is provided at the upper part; there are multiple hanging components, including a hook and a movable part, the hook is hung at one end of the movable part, and the other end of the movable part is rotatably connected to the lifting platform, and the lifting platform is provided with an adjustment component for adjusting the position between the hanging components; the lifting component is installed on the support base and is transmission-connected to the lifting platform for driving the lifting platform to rise and fall.

[0004] In the above patent, when the agricultural machinery is dismantled, the lifting hook is controlled to rise, and the old agricultural machinery is controlled to rise. However, during the lifting process, the lateral position of the old agricultural machinery is not limited, which makes the old agricultural machinery easy to shake during lifting, which is not conducive to the stability of the agricultural machinery during dismantling and reduces the safety of lifting the old agricultural machinery. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the present invention provides a lifting device for dismantling waste agricultural machinery, which solves the problem that waste agricultural machinery is prone to shaking when being lifted.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The lifting leg is connected with the up-down knob of the lifting link, and the lifting leg is connected with the up-down knob of the lifting link, and the lifting link is connected with the up-down knob of the lifting link, and the lifting link is connected with the up-down knob of the lifting link.

[0008] Preferably, the lower side of the top plate is fixedly connected with bottom block 1 and bottom block 2, the outer side of the bottom block 1 is rotatably connected with a rotating rod, the outer side of the rotating rod is fixedly connected with two lifting rollers, the outer side of the lifting roller is wrapped with a connecting rope, the connecting rope is fixedly connected to the connecting plate, the middle part of the rotating rod is fixedly connected with gear 1, the number of the bottom block 2 is provided, and a control rod is rotatably connected between the two bottom blocks 2, the outer side of the control rod is fixedly connected with gear 2 meshing with gear 1, and the outer side of the bottom block 2 is fixedly connected with a motor that drives the control rod to rotate.

[0009] Preferably, the side limit assembly includes side plates, which are rotatably connected to the outer sides of the mounting blocks 1 at the front and rear sides, and the side of the side plate close to the hook is fixedly connected to a rotating block 1, and the outer sides of the rotating block 1 at the front and rear sides are rotatably connected to inclined plate 1, and the outer side of a lower end of the inclined plate is rotatably connected to a rotating block 2, and the lower side of the rotating block 2 is fixedly connected to a lifting plate, and the upper side of the lifting plate is fixedly connected to a fixed plate, and a hydraulic rod is fixedly connected between the fixed plate and the connecting plate, and the upper side of the lifting plate is fixedly connected to a stabilizing rod, and the stabilizing rod is slidably connected to the connecting plate.

[0010] Preferably, an electromagnet is fixedly connected to the lower side of the lifting plate, a sliding groove is provided on the side of the side plate close to the hook, an extension plate is provided on the inner side of the sliding groove, a movable groove is provided on the other side of the side plate, a movable block is slidably connected to the inner side of the movable groove, the movable block is fixedly connected to the extension plate, and two fixed blocks are fixedly connected to the other side of the side plate, a screw is rotatably connected between the two fixed blocks, the screw is threadedly connected to the movable block, and the upper end of the screw is fixedly connected to a rotating cap.

[0011] Preferably, the bottom limit assembly includes side rods, which are rotatably connected to the outer sides of the left and right mounting blocks 2, and the outer sides of the left and right side rods are fixedly connected to winding rollers, and flexible straps are provided between the winding rollers on the left and right sides, and the upper side of the lifting plate is fixedly connected to a rotating block 4, and the outer side of the rotating block 4 is rotatably connected to the inclined plate 2, and a bottom groove is provided on the lower side of the connecting plate, and a slide plate is slidably connected to the inner side of the bottom groove, and the outer side of the slide plate is fixedly connected to a rotating block 3, and the rotating block 3 is rotatably connected to the inclined plate 2.

[0012] Preferably, gear three is fixedly connected to the outer side of the side rod and located on the front and rear sides of the winding roller, a connecting block is fixedly connected to the outer side of the slide, and a tooth plate meshing with gear three is fixedly connected to the outer side of the connecting block.

[0013] Preferably, a placement plate is fixedly connected to both the left and right sides of the maintenance plate, a counterweight block is provided on the upper side of the placement plate, and a rectangular hole is opened on the upper side of the maintenance plate.

[0014] The present invention provides a lifting device for dismantling waste agricultural machinery. Compared with the prior art, it has the following advantages:

[0015] (1) The lifting device for dismantling waste agricultural machinery is provided with a maintenance plate, a lifting block, a connecting plate, a lifting roller, a motor, a connecting rope and a hook, so that the hook can be used to control the lifting of the waste agricultural machinery. The hydraulic rod can be used to control the front and rear side plates to rotate toward the waste agricultural machinery through the installation block 1, the side plate, the inclined plate 1, the lifting plate and the hydraulic rod, so that the front and rear side plates can be controlled by the hydraulic rod to rotate toward the waste agricultural machinery, thereby facilitating the positioning of the front and rear sides of the waste agricultural machinery and increasing the stability of the waste agricultural machinery when it is lifted.

[0016] (2) The lifting device for dismantling waste agricultural machinery is provided with a connecting plate, a second mounting block, a side rod, a winding roller, a flexible strap, a second inclined plate, and a slide plate. When the side plate is used to limit the position of the agricultural machinery, the flexible strap is controlled to be tightened, and the flexible strap is used to limit the bottom of the waste agricultural machinery, thereby enhancing the stability of the lifting and preventing the waste agricultural machinery from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall three-dimensional structural diagram of the present invention;

[0018] Figure 2 It is a partial three-dimensional structural diagram of the present invention;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a three-dimensional structural diagram of the stabilizing unit in the present invention;

[0021] Figure 5It is a three-dimensional structural diagram of the side limit assembly in the present invention;

[0022] Figure 6 It is a partial three-dimensional structural diagram of the side limit assembly in the present invention;

[0023] Figure 7 It is a three-dimensional structural diagram of the bottom limiting assembly in the present invention;

[0024] Figure 8 for Figure 7 Enlarged view of point B in the middle;

[0025] Figure 9 This is a three-dimensional structural diagram of the bottom limit assembly in the present invention from another perspective;

[0026] Figure 10 for Figure 9 Enlarged view of point C in the middle.

[0027] In the figure: 1. Maintenance plate; 2. Support leg; 3. Rectangular hole; 4. Vertical plate; 5. Lifting slot; 6. Lifting block; 7. Connecting plate; 8. Stabilizing unit; 9. Top plate; 10. Placement plate; 11. Counterweight; 12. Bottom block 1; 13. Turning rod; 14. Lifting roller; 15. Connecting rope; 16. Hook; 17. Gear 1; 18. Bottom block 2; 19. Control lever; 20. Gear 2; 21. Motor; 81. Mounting block 1; 82. Mounting block 2; 83. Side limit assembly; 84. Bottom limit assembly; 831. Side plate; 832. Turning block 1; 833. Inclined plate 1 ;834, rotating block two;835, lifting plate;836, stabilizing rod;837, fixed plate;838, hydraulic rod;839, electromagnet;8310, slide;8311, expansion plate;8312, moving slot;8313, fixed block;8314, screw;8315, moving block;8316, rotating cap;841, side rod;842, winding roller;843, gear three;844, bottom slot;845, slide plate;846, connecting block;847, tooth plate;848, rotating block three;849, inclined plate two;8410, flexible strap;8411, rotating block four. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] The present invention provides the following technical solutions:

[0030] Example 1: Please refer to Figures 1-6A lifting device for dismantling waste agricultural machinery includes a maintenance plate 1, the lower side of the maintenance plate 1 is fixedly connected to a supporting leg 2, the upper side of the maintenance plate 1 is fixedly connected to two vertical plates 4, the outer sides of the two vertical plates 4 are provided with a lifting groove 5, the inner side of the lifting groove 5 is slidably connected to a lifting block 6, a connecting plate 7 is fixedly connected between the two lifting blocks 6, the lower side of the connecting plate 7 is fixedly connected to two hooks 16, a stabilizing unit 8 is provided on the lower side of the connecting plate 7, the upper side of the vertical plate 4 is fixedly connected to a top plate 9, the stabilizing unit 8 includes a plurality of mounting blocks 1 81 and mounting blocks 2 82, mounting block 1 81, mounting block The two 82 are fixedly connected to the front and rear sides of the connecting plate 7. The outer side of the mounting block 1 81 is provided with a side limit assembly 83, which is used to limit the side of the waste agricultural machinery. The outer side of the mounting block 2 82 is provided with a bottom limit assembly 84, which is used to limit the bottom of the waste agricultural machinery. The left and right sides of the maintenance plate 1 are fixedly connected with a placement plate 10, and a counterweight block 11 is provided on the upper side of the placement plate 10. A rectangular hole 3 is opened on the upper side of the maintenance plate 1. The lower side of the top plate 9 is fixedly connected with the bottom block 12 and the bottom block 2 18. The outer side of the bottom block 12 is rotatably connected There is a rotating rod 13, the outer side of the rotating rod 13 is fixedly connected to two lifting rollers 14, the outer side of the lifting roller 14 is wrapped with a connecting rope 15, the connecting rope 15 is fixedly connected to the connecting plate 7, the middle part of the rotating rod 13 is fixedly connected to a gear 17, the number of bottom blocks 2 18 is set to two, a control rod 19 is rotatably connected between the two bottom blocks 2 18, the outer side of the control rod 19 is fixedly connected to a gear 2 20 meshing with the gear 17, and the outer side of the bottom block 2 18 is fixedly connected to a motor 21 that drives the control rod 19 to rotate. When dismantling the waste agricultural machinery, first place the waste agricultural machinery on the maintenance board 1, and then hang the hook 16 on the connecting frame of the waste agricultural machinery, and then start the motor 21, the motor 21 drives the control rod 19 to rotate, the control rod 19 drives the gear 2 20 to rotate, the gear 20 drives the gear 17 to rotate, the gear 17 drives the rotating rod 13 to rotate, the rotating rod 13 drives the lifting roller 14 to rotate, the lifting roller 14 drives the connecting plate 7 on the connecting rope 15 to rise, and the connecting plate 7 drives the waste agricultural machinery on the hook 16 to rise, which is convenient for disassembly of the waste agricultural machinery. When lifting, the placement plate 10 and the counterweight block 11 at the bottom are used to facilitate the increase of the placement stability of the maintenance plate 1.

[0031] The side limit assembly 83 includes a side plate 831, which is rotatably connected to the outer side of the front and rear mounting blocks 81. The side plate 831 is fixedly connected to a rotating block 832 on one side near the hook 16. The outer sides of the rotating blocks 832 on the front and rear sides are both rotatably connected to an inclined plate 833. The outer side of the lower end of the inclined plate 833 is rotatably connected to a rotating block 2 834. The lower side of the rotating block 2 834 is fixedly connected to a lifting plate 835. The upper side of the lifting plate 835 is fixedly connected to a fixed plate 837. A hydraulic rod 838 is fixedly connected between the fixed plate 837 and the connecting plate 7. The upper side of the lifting plate 835 is fixedly connected to a stabilizing rod 836. The stabilizing rod 836 is slidably connected to the connecting plate 7. When the agricultural machinery is lifted, the hydraulic rod 838 is controlled to drive the fixed plate 837 to descend, the fixed plate 837 drives the lifting plate 835 to descend, and the lifting plate 835 drives the inclined plate 833 to rotate. The inclined plates 833 on the front and rear sides are symmetrically distributed, which makes it convenient for the inclined plate 833 to control the rotation of the side plates 831. The side plates 831 on the front and rear sides rotate toward the direction of the waste agricultural machinery, so that the side plates 831 on the front and rear sides limit the front and rear sides of the waste agricultural machinery, thereby increasing the stability of the waste agricultural machinery. When the lifting plate 835 descends, the lifting plate 835 drives the electromagnet 839 to descend, so that the electromagnet 839 contacts the waste agricultural machinery, which facilitates the adsorption of the electromagnet 839 and the waste agricultural machinery, thereby reducing the lifting load of the hook 16.

[0032] The lower side of the lifting plate 835 is fixedly connected to the electromagnet 839, the side plate 831 is provided with a sliding groove 8310 on the side close to the hook 16, the inner side of the sliding groove 8310 is provided with an expansion plate 8311, the other side of the side plate 831 is provided with a moving groove 8312, the inner side of the moving groove 8312 is slidably connected to a moving block 8315, the moving block 8315 is fixedly connected to the expansion plate 8311, the other side of the side plate 831 is fixedly connected to two fixed blocks 8313, and the two fixed blocks 8313 are rotatably connected to each other. It is connected to a screw rod 8314, which is threadedly connected to the moving block 8315. The upper end of the screw rod 8314 is fixedly connected to a rotating cap 8316. When limiting the position of waste agricultural machinery of different sizes, the rotating cap 8316 is rotated, and the rotating cap 8316 drives the screw rod 8314 to rotate. The screw 8314 drives the moving block 8315 to move up and down, and the moving block 8315 drives the expansion plate 8311 to move up and down, so that the expansion plate 8311 can be used in conjunction with the side plate 831, and it is convenient to limit the position of waste agricultural machinery of different heights.

[0033] Example 2: Based on Example 1, Figure 7-10As shown, a lifting device for dismantling waste agricultural machinery comprises a maintenance plate 1, the lower side of the maintenance plate 1 is fixedly connected to a supporting leg 2, the upper side of the maintenance plate 1 is fixedly connected to two vertical plates 4, the outer sides of the two vertical plates 4 are provided with lifting grooves 5, the inner sides of the lifting grooves 5 are slidably connected to a lifting block 6, a connecting plate 7 is fixedly connected between the two lifting blocks 6, the lower side of the connecting plate 7 is fixedly connected to two hooks 16, a stabilizing unit 8 is provided on the lower side of the connecting plate 7, the upper side of the vertical plate 4 is fixedly connected to a top plate 9, the stabilizing unit 8 comprises a plurality of mounting blocks 1 81 and mounting blocks 2 82, the mounting blocks 1 81 and 82 are fixedly connected to the front and rear sides of the connecting plate 7, a side limiting assembly 83 is provided on the outer side of the mounting block 1 81, the side limiting assembly 83 is used to limit the side of the waste agricultural machinery, and a bottom limiting assembly 84 is provided on the outer side of the mounting block 2 82. The bottom limit assembly 84 is used to limit the bottom of the waste agricultural machinery. The left and right sides of the maintenance plate 1 are fixedly connected with a placement plate 10. A counterweight block 11 is provided on the upper side of the placement plate 10. A rectangular hole 3 is opened on the upper side of the maintenance plate 1. The lower side of the top plate 9 is fixedly connected with a bottom block 12 and a bottom block 2 18. The outer side of the bottom block 12 is rotatably connected with a rotating rod 13. The outer side of the rotating rod 13 is fixedly connected with two lifting rollers 14. The outer side of the lifting roller 14 is wrapped with a connecting rope 15, and the connecting rope 15 is fixedly connected to the connecting plate 7. The middle part of the rotating rod 13 is fixedly connected with a gear 17. There are two bottom blocks 18. A control rod 19 is rotatably connected between the two bottom blocks 18. The outer side of the control rod 19 is fixedly connected with a gear 2 20 meshing with the gear 17. The outer side of the bottom block 2 18 is fixedly connected with a motor 21 for driving the control rod 19 to rotate.

[0034] The bottom limit assembly 84 includes a side rod 841, which is rotatably connected to the outer side of the left and right mounting blocks 2 82. The outer sides of the left and right side rods 841 are fixedly connected to the winding roller 842. A flexible strap 8410 is provided between the left and right winding rollers 842. The upper side of the lifting plate 835 is fixedly connected to the rotating block 4 8411. The outer side of the rotating block 4 8411 is rotatably connected to the inclined plate 2 849. A bottom groove 844 is provided on the lower side of the connecting plate 7. The inner side of the bottom groove 844 is slidably connected to the slide plate 845. The outer side of the slide plate 845 is fixedly connected to the rotating block 3 848. The rotating block 3 848 is rotatably connected to the inclined plate 2 849. The outer side of the side rod 841 and the front and rear sides of the winding roller 842 are fixedly connected to the gear 3 843. The slide plate 84 5 is fixedly connected to the outer side of the connecting block 846, and the outer side of the connecting block 846 is fixedly connected to the tooth plate 847 meshing with the gear three 843. When the side plate 831 limits the waste agricultural machinery, the lifting plate 835 drives the inclined plate two 849 to rotate, the inclined plate two 849 drives the slide plate 845 to move, the slide plate 845 drives the connecting block 846 to move, the connecting block 846 drives the tooth plate 847 to move horizontally, the tooth plate 847 drives the gear three 843 to rotate, the gear three 843 drives the side rod 841 to rotate, the side rod 841 drives the winding roller 842 to rotate, and the winding roller 842 drives the flexible strap 8410 to wind up, so as to facilitate the tightening of the flexible strap 8410 to limit the bottom of the waste agricultural machinery, increase the lifting stability of the waste agricultural machinery, and prevent the waste agricultural machinery from shaking.

[0035] Working principle: When in use, the staff first places the waste agricultural machinery on the maintenance plate 1, then hangs the hook 16 on the waste agricultural machinery, and then starts the motor 21 to drive the gear 20 on the control rod 19 to rotate. Under the action of the gear 17 and the rotating rod 13, the lifting roller 14 is controlled to rotate, which facilitates the control of the connection plate 7 on the connecting rope 15 to rise. The connection plate 7 drives the waste agricultural machinery on the hook 16 to rise, and then controls the hydraulic rod 838 to drive the lifting plate 835 to descend, and the lifting plate 835 drives the inclined plate 1 833 to rotate, and the inclined plate 1 833 drives the side plate 8 31 rotates, and the side plates 831 on the front and rear sides limit the front and rear sides of the waste agricultural machinery. At the same time, the lifting plate 835 drives the inclined plate 2 849 to rotate. Under the action of the slide plate 845, the tooth plate 847 is controlled to move horizontally, and the tooth plate 847 drives the gear 3 843 to rotate. The gear 3 843 drives the side rod 841 to rotate. The side rod 841 drives the winding roller 842 to rotate. The winding roller 842 drives the flexible strap 8410 to tighten, which makes it convenient for the flexible strap 8410 to limit the bottom of the waste agricultural machinery, increase the stability of the waste agricultural machinery, and prevent the waste agricultural machinery from shaking.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for dismantling waste agricultural machinery, comprising a maintenance plate (1), characterized in that: The lower side of the maintenance plate (1) is fixedly connected to a support leg (2), the upper side of the maintenance plate (1) is fixedly connected to two vertical plates (4), the outer sides of the two vertical plates (4) are provided with a lifting groove (5), the inner side of the lifting groove (5) is slidably connected to a lifting block (6), a connecting plate (7) is fixedly connected between the two lifting blocks (6), the lower side of the connecting plate (7) is fixedly connected to two hooks (16), the lower side of the connecting plate (7) is provided with a stabilizing unit (8), the upper side of the vertical plate (4) is fixedly connected to The top plate (9), the stabilizing unit (8) includes a plurality of mounting blocks (81) and mounting blocks (82), the mounting blocks (81) and (82) are fixedly connected to the front and rear sides of the connecting plate (7), the outer side of the mounting block (81) is provided with a side limit assembly (83), the side limit assembly (83) is used to limit the side of the waste agricultural machinery, and the outer side of the mounting block (82) is provided with a bottom limit assembly (84), the bottom limit assembly (84) is used to limit the bottom of the waste agricultural machinery; The side limit assembly (83) includes a side plate (831), the side plate (831) is rotatably connected to the outer side of the front and rear mounting blocks (81), the side of the side plate (831) close to the hook (16) is fixedly connected to a rotating block (832), the outer sides of the rotating block (832) on the front and rear sides are both rotatably connected to an inclined plate (833), the outer side of the lower end of the inclined plate (833) is rotatably connected to a rotating block (834), the lower side of the rotating block (834) is fixedly connected to a lifting plate (835), the upper side of the lifting plate (835) is fixedly connected to a fixed plate (837), a hydraulic rod (838) is fixedly connected between the fixed plate (837) and the connecting plate (7), the upper side of the lifting plate (835) is fixedly connected to a stabilizing rod (836), and the stabilizing rod (836) is slidably connected to the connecting plate (7); The lower side of the lifting plate (835) is fixedly connected to an electromagnet (839), a sliding groove (8310) is provided on the side of the side plate (831) close to the hook (16), an expansion plate (8311) is provided on the inner side of the sliding groove (8310), a moving groove (8312) is provided on the other side of the side plate (831), a moving block (8315) is slidably connected to the inner side of the moving groove (8312), the moving block (8315) is fixedly connected to the expansion plate (8311), and two fixed blocks (8313) are fixedly connected to the other side of the side plate (831), a screw (8314) is rotatably connected between the two fixed blocks (8313), the screw (8314) is threadedly connected to the moving block (8315), and a rotating cap (8316) is fixedly connected to the upper end of the screw (8314).

2. The lifting device for dismantling waste agricultural machinery according to claim 1, characterized in that: The lower side of the top plate (9) is fixedly connected to a bottom block 1 (12) and a bottom block 2 (18), the outer side of the bottom block 1 (12) is rotatably connected to a rotating rod (13), the outer side of the rotating rod (13) is fixedly connected to two lifting rollers (14), the outer side of the lifting roller (14) is wound with a connecting rope (15), the connecting rope (15) is fixedly connected to the connecting plate (7), the middle part of the rotating rod (13) is fixedly connected to a gear 1 (17), the number of the bottom block 2 (18) is set to two, and a control rod (19) is rotatably connected between the two bottom blocks 2 (18), the outer side of the control rod (19) is fixedly connected to a gear 2 (20) meshing with the gear 1 (17), and the outer side of the bottom block 2 (18) is fixedly connected to a motor (21) for driving the control rod (19) to rotate.

3. The lifting device for dismantling waste agricultural machinery according to claim 1, characterized in that: The bottom limit assembly (84) includes a side rod (841), the side rod (841) is rotatably connected to the outer side of the left and right mounting blocks (82), the outer sides of the left and right side rods (841) are fixedly connected to the winding rollers (842), and a flexible strap (8410) is provided between the winding rollers (842) on the left and right sides. The upper side of the lifting plate (835) is fixedly connected to the rotating block four (8411), and the outer side of the rotating block four (8411) is rotatably connected to the inclined plate two (849). The lower side of the connecting plate (7) is provided with a bottom groove (844), and the inner side of the bottom groove (844) is slidably connected to the slide plate (845), and the outer side of the slide plate (845) is fixedly connected to the rotating block three (848), and the rotating block three (848) is rotatably connected to the inclined plate two (849).

4. The lifting device for dismantling waste agricultural machinery according to claim 3, characterized in that: Gear three (843) is fixedly connected to the outside of the side rod (841) and located on both the front and rear sides of the winding roller (842), a connecting block (846) is fixedly connected to the outside of the slide plate (845), and a toothed plate (847) meshing with gear three (843) is fixedly connected to the outside of the connecting block (846).

5. The lifting device for dismantling waste agricultural machinery according to claim 1, characterized in that: The left and right sides of the maintenance plate (1) are both fixedly connected to a placement plate (10), a counterweight (11) is provided on the upper side of the placement plate (10), and a rectangular hole (3) is opened on the upper side of the maintenance plate (1).

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