Movable weight lifting jack

Abstract

The invention provides a movable weight lifting jack which comprises a supporting plate, a through hole is formed in the upper surface of the supporting plate, a clamping unit is fixedly connected to the inner wall of the through hole, a telescopic rod is fixedly connected to the upper surface of the supporting plate, and the movable end of the telescopic rod is fixedly connected with an adjusting plate. The clamping units on the inner wall of the supporting plate pre-clamp a tool, then the tool slides to the adjusting plate, when the tool enters the fixing cylinder, the tool slides upwards along the clamping units in the fixing cylinder, in the sliding process, the tool abuts against the top of the fixing cylinder and drives the fixing cylinder to slide, and in the sliding process of the fixing cylinder and the tool, the tool is clamped by the adjusting plate. A movable plate in the fixing cylinder slides outwards, when the movable plate is located over an adjusting plate, the movable plate abuts against the upper surface of the adjusting plate, then the fixing cylinder is fixed, and after the fixing cylinder (105) is fixed, tools clamped by a clamping unit in the fixing cylinder (105) are fixed at the same time.

Description

Technical Field

[0001] This invention relates to the field of heavy object lifting, and more specifically, to a portable heavy object lifter. Background Technology

[0002] Mobile heavy-duty lifts, as heavy equipment integrating mobility and lifting functions, are widely used in manufacturing, ports, bridge engineering, and other scenarios, integrating knowledge from multiple disciplines such as mechanical structure, hydraulic / electric drive, navigation control, and materials science. Existing technologies mainly include hydraulic drive (scissor lift / X-type mechanism), screw drive (worm gear reducer and screw-nut pair), linkage lifting (parallel four-bar linkage), wedge / claw jacks, and autonomous mobile platforms (Mecanum wheel / mechanical arm). However, they generally suffer from structural and volume contradictions (difficulty in balancing load-bearing capacity and mobility flexibility), drive control defects (hydraulic leakage and pollution, poor electric synchronization, low manual efficiency), insufficient load-bearing safety (low crank arm strength, imperfect limit protection), limited adaptability (high requirements for ground flatness, poor versatility), and cost and maintenance issues (expensive hydraulic components, frequent replacement of vulnerable parts). In the future, it is necessary to optimize the lifting mechanism and drive system through lightweight and high-strength design, multi-drive integration, intelligent control upgrades (3D vision, LiDAR), modular customization, and omnidirectional mobility technology, so as to enhance flexibility and safety, reduce costs, and meet the needs of complex scenarios.

[0003] During the lifting of heavy objects, since the objects vary in size and shape, they need to be fixed during transport. Existing transport devices mainly achieve this by binding, which is a cumbersome process. In addition, it is difficult to bind some irregularly shaped tools, which means that existing devices cannot quickly adapt and fix them when transporting tools.

[0004] Therefore, we have made improvements to this by proposing a mobile heavy object lift. Summary of the Invention

[0005] The purpose of this invention is to address the problem that existing devices cannot quickly adapt and fix tools during transport.

[0006] To achieve the above-mentioned objectives, the present invention provides a movable heavy object lift to solve the aforementioned problems.

[0007] The present invention is as follows: The device includes a support plate with a through hole on its upper surface. A clamping unit is fixedly connected to the inner wall of the through hole. A telescopic rod is fixedly connected to the upper surface of the support plate. An adjusting plate is fixedly connected to the movable end of the telescopic rod. A through hole is opened on the upper surface of the adjusting plate above the support plate. A fixed cylinder abuts against the inner wall of the through hole. The fixed cylinder contracts downward from the upper end to a variable diameter shape. A clamping unit is fixedly connected to the inner wall of the fixed cylinder.

[0008] As a preferred technical solution of the present invention, there are two sets of clamping units, located on the inner walls of the support plate and the adjustment plate respectively. The clamping unit located on the inner wall of the support plate includes a spring rod, which is fixedly connected to the inner wall of the through hole. A clamping plate is fixedly connected to the spring rod away from the surface of the support plate. A guide plate is fixedly connected to the lower surface of the clamping plate and is inclined. Arc-shaped plates are hinged to both sides of the clamping plate. A return spring is fixedly connected to the arc-shaped plate near the surface of the support plate. The other end of the return spring is fixedly connected to the inner wall of the through hole.

[0009] As a preferred technical solution of the present invention, the clamping unit located on the inner wall of the adjusting plate has the same structure as another clamping unit, and the end of the spring rod away from the clamping plate is fixedly connected to a movable plate. A sleeve plate is slidably connected to the outer surface of the movable plate, and the sleeve plate penetrates the fixed cylinder.

[0010] As a preferred technical solution of the present invention, the upper surface of the adjustment plate is provided with a sliding groove, and a movable rod is slidably connected to the inner wall of the sliding groove. The movable rod contracts from the end away from the fixed cylinder to the other end to form a variable diameter shape, and a limit block is fixedly connected to the end away from the contraction. A limit ring is fixedly connected directly above the end of the sliding groove away from the fixed cylinder, and the limit ring abuts against the limit block. The movable plate is located directly above the movable rod.

[0011] As a preferred technical solution of the present invention, a buckle is fixedly connected to the upper surface of the adjustment plate, the buckle is engaged with a hook, a chain is fixedly connected to the upper end of the hook, and a support frame is fixedly connected to the upper end of the chain.

[0012] As a preferred technical solution of the present invention, a steel cable is fixedly connected to the upper surface of the support frame, a spool is wound around the upper end of the steel cable, a geared motor is fixedly connected to the outer surface of the spool, a reciprocating motor is fixedly connected to the upper surface of the geared motor, a roller is fixedly connected to the output end of the reciprocating motor, a guide rail is slidably connected to the outer surface of the roller, and a support column is fixedly connected to either end of the guide rail.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When clamping and fixing, the tool can be slid upward along the support plate. During the upward sliding process, the clamping unit on the inner wall of the support plate pre-clamps the tool. Then, it slides to the adjustment plate. When it enters the fixed cylinder, the tool slides upward along the clamping unit inside the fixed cylinder. During the sliding process, the tool abuts against the top of the fixed cylinder and drives the fixed cylinder to slide. During the sliding process of the fixed cylinder and the tool, the movable plate inside the fixed cylinder slides outward. When the movable plate is directly above the adjustment plate, the movable plate abuts against the upper surface of the adjustment plate, thereby fixing the fixed cylinder. After the fixed cylinder is fixed, the tool clamped by the clamping unit inside is also fixed at the same time. 2. The clamping unit is used to fix the tool and cooperate with the movable plate for fixation. During clamping, the tool abuts against the clamping plate along the guide plate. Due to the elasticity of the spring rod, the spring rod is pressed towards the tool, thereby pressing the clamping plate to clamp the tool. In some cases, when the tool is arc-shaped, the arc-shaped plates hinged on both sides of the clamping plate can clamp the arc-shaped tool due to the compression of the return spring, so as to improve the adaptability of the device. Attached Figure Description

[0014] Figure 1 A schematic diagram of the overall structure of a movable heavy object lift provided by the present invention; Figure 2 A schematic diagram of a cleaning device for a movable heavy object lift provided by the present invention; Figure 3 A schematic diagram of the power unit for a movable heavy object lift provided by the present invention; Figure 4 A schematic diagram of a conveying device for a movable heavy object lift provided by the present invention; Figure 5 A schematic diagram of a clamping device for a movable heavy object lift provided by the present invention; Figure 6 A schematic diagram of a fixing device for a movable heavy object lift provided by the present invention; Figure 7 This is a schematic diagram of the internal structure of the fixed cylinder of a movable heavy object lifter provided by the present invention.

[0015] The image shows: 101. Support plate; 102. Through hole; 103. Telescopic rod; 104. Adjusting plate; 105. Fixing cylinder; 201. Spring rod; 202. Clamping plate; 203. Guide plate; 204. Arc-shaped plate; 205. Return spring; 301. Movable board; 302. Sheet board; 401. Slide groove; 402. Movable rod; 403. Limiting block; 404. Limiting ring; 501. Buckle; 502. Hook; 503. Chain; 504. Support frame; 601. Steel cable; 602. Bollard; 603. Gear motor; 604. Reciprocating motor; 605. Roller; 606. Guide rail; 607. Support column. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. 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 should fall within the scope of protection of the present invention.

[0017] As in the background art, existing devices cannot quickly adapt and fix tools during transport.

[0018] To address this technical problem, the present invention provides a movable heavy object lift, which is used to adapt to the transport of different tools and to quickly fix them in place.

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0020] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Example 1

[0022] A movable heavy object lifter includes a support plate 101. A through hole 102 is formed on the upper surface of the support plate 101. A clamping unit is fixedly connected to the inner wall of the through hole 102. A telescopic rod 103 is fixedly connected to the upper surface of the support plate 101. An adjusting plate 104 is fixedly connected to the movable end of the telescopic rod 103. A through hole 102 is formed on the upper surface of the adjusting plate 104 above the support plate 101. A fixed cylinder 105 abuts against the inner wall of the through hole 102. The fixed cylinder 105 shrinks downward from the upper end to a variable diameter shape. A clamping unit is fixedly connected to the inner wall of the fixed cylinder 105. There are two sets of clamping units, located on the inner walls of the support plate 101 and the adjusting plate 104, respectively. The clamping unit located on the inner wall of the support plate 101 includes a spring rod 201, which is fixedly connected to the inner wall of the through hole 102. A clamping plate 202 is fixedly connected to the surface of the spring rod 201 away from the support plate 101. A guide plate 203 is fixedly connected to the lower surface of the clamping plate 202 and is inclined. Arc-shaped plates 204 are hinged to both sides of the clamping plate 202. A return spring 205 is fixedly connected to the arc-shaped plate 204 near the surface of the support plate 101. The other end of the return spring 205 is fixedly connected to the inner wall of the through hole 102. The clamping unit located on the inner wall of the adjusting plate 104 has the same structure as the other clamping unit. A movable plate 301 is fixedly connected to the end of the spring rod 201 away from the clamping plate 202. A sleeve plate 302 is slidably connected to the outer surface of the movable plate 301 and passes through the fixed cylinder 105.

[0023] During clamping and fixing, the tool can be slid upward along the support plate 101. During the upward sliding process, the clamping unit on the inner wall of the support plate 101 pre-clamps the tool. Then, it slides to the adjusting plate 104. When it enters the fixing cylinder 105, the tool slides upward along the clamping unit inside the fixing cylinder 105. During the sliding process, the tool abuts against the top of the fixing cylinder 105 and drives the fixing cylinder 105 to slide. During the sliding process, the movable plate 301 inside the fixing cylinder 105 slides outward. When the movable plate 301 is directly above the adjusting plate 104, the movable plate 301 abuts against the upper surface of the adjusting plate 104. This achieves the fixation of the fixed cylinder 105. After the fixed cylinder 105 is completed and fixed, the tool held by the clamping unit inside it is also fixed. The clamping unit is used to fix the tool and cooperates with the movable plate 301 for fixation. During clamping, the tool abuts against the clamping plate 202 along the guide plate 203. Due to the elasticity of the spring rod 201, the spring rod 201 is pressed towards the tool, thereby pressing the clamping plate 202 to clamp the tool. In some cases, when the tool is arc-shaped, the arc-shaped plates 204 hinged on both sides of the clamping plate 202 can clamp the arc-shaped tool due to the compression of the return spring 205, so as to improve the adaptability of the device. Example 2

[0024] The upper surface of the adjusting plate 104 is provided with a sliding groove 401. A movable rod 402 is slidably connected to the inner wall of the sliding groove 401. The movable rod 402 retracts from the end away from the fixed cylinder 105 to the other end in a variable diameter shape, and a limit block 403 is fixedly connected to the end away from the retracted end. A limit ring 404 is fixedly connected directly above the end of the sliding groove 401 away from the fixed cylinder 105. The limit ring 404 abuts against the limit block 403. The movable plate 301 is located directly above the movable rod 402.

[0025] When the tool is released from its fixed position, the movable rod 402, which is slidably connected to the inner wall of the sliding groove 401, gradually comes into contact with the movable plate 301 as it slides away from the contraction end during the sliding process. When it comes into contact, the continued sliding will cause the movable plate 301 to be squeezed, causing it to slide to the inner wall of the sleeve plate 302. At this time, the fixed cylinder 105 and the adjusting plate 104 are released from their fixed positions. Due to gravity, the tool slides down along the clamping unit inside the fixed cylinder 105, thus releasing the tool. In addition, the limiting ring 404 fixedly connected to the upper part of the groove 401 away from the fixed cylinder 105 and the limiting block 403 that abuts against it can prevent the movable rod 402 from detaching from the groove 401 during the sliding process.

[0026] A buckle 501 is fixedly connected to the upper surface of the adjusting plate 104. The buckle 501 is engaged with a hook 502. A chain 503 is fixedly connected to the upper end of the hook 502. A support frame 504 is fixedly connected to the upper end of the chain 503.

[0027] The buckle 501 fixedly connected to the upper surface of the adjusting plate 104 can be engaged with the hook 502 to connect the adjusting plate 104 and the chain 503, so as to fix the conveying equipment. The support frame 504 fixedly connected to the upper end of the chain 503 is used to connect the conveying equipment and the steel cable 601.

[0028] A steel cable 601 is fixedly connected to the upper surface of the support frame 504. A bobbin 602 is wound around the upper end of the steel cable 601. A geared motor 603 is fixedly connected to the outer surface of the bobbin 602. A reciprocating motor 604 is fixedly connected to the upper surface of the geared motor 603. A roller 605 is fixedly connected to the output end of the reciprocating motor 604. A guide rail 606 is slidably connected to the outer surface of the roller 605. A support column 607 is fixedly connected to either end of the guide rail 606.

[0029] The steel cable 601 fixedly connected to the upper surface of the support frame 504 is used to pull the support frame 504 to lift and transport. During transport, the drive reduction motor 603 controls the spindle 602 to rotate. During the rotation of the spindle 602, the release and retraction of the steel cable 601 are controlled, thereby controlling the lifting and lowering of the conveying equipment. Then, the reciprocating motor 604 is controlled to rotate and drive the roller 605 to slide on the guide rail 606. The sliding of the roller 605 can drive the conveying equipment to move horizontally. The support column 607 fixedly connected to either end of the guide rail 606 supports the guide rail 606 and the conveying equipment.

[0030] The process of using the portable heavy object lift provided by this invention is as follows: During clamping and fixing, the tool can be slid upward along the support plate 101. During the upward sliding process, the clamping unit on the inner wall of the support plate 101 pre-clamps the tool. Then, it slides to the adjusting plate 104. When it enters the fixing cylinder 105, the tool slides upward along the clamping unit inside the fixing cylinder 105. During the sliding process, the tool abuts against the top of the fixing cylinder 105 and drives the fixing cylinder 105 to slide. During the sliding process, the movable plate 301 inside the fixing cylinder 105 slides outward. When the movable plate 301 is directly above the adjusting plate 104, the movable plate 301 abuts against the upper surface of the adjusting plate 104. This achieves the fixation of the fixed cylinder 105. After the fixed cylinder 105 is completed and fixed, the tool held by the clamping unit inside it is also fixed. The clamping unit is used to fix the tool and cooperates with the movable plate 301 for fixation. During clamping, the tool abuts against the clamping plate 202 along the guide plate 203. Due to the elasticity of the spring rod 201, the spring rod 201 is pressed towards the tool, thereby pressing the clamping plate 202 to clamp the tool. In some cases, when the tool is arc-shaped, the arc-shaped plates 204 hinged on both sides of the clamping plate 202 can clamp the arc-shaped tool due to the compression of the return spring 205, so as to improve the adaptability of the device.

[0031] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Obviously, the embodiments described above are only some embodiments of this invention, not all embodiments. The accompanying drawings show preferred embodiments of this invention, but do not limit the patent scope of this invention. This invention can be implemented in many different forms; on the contrary, the purpose of providing these embodiments is to make the disclosure of this invention more thorough and complete. Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this invention.

Claims

1. A portable weight lifter, comprising: Including support plate (101), the upper surface of support plate (101) is provided with through hole (102), the inner wall of through hole (102) is fixedly connected with clamping unit, the upper surface of support plate (101) is fixedly connected with telescopic rod (103), the movable end of telescopic rod (103) is fixedly connected with adjusting plate (104), the upper surface of adjusting plate (104) is provided with through hole (102) above support plate (101), the inner wall of through hole (102) is abutted with fixed cylinder (105), fixed cylinder (105) is contracted from upper end to lower end and is in the shape of variable diameter, the inner wall of fixed cylinder (105) is fixedly connected with clamping unit.

2. A portable weight lifter as claimed in claim 1 wherein, The clamping unit has two groups, which are located in the inner wall of support plate (101) and adjusting plate (104), the clamping unit located in the inner wall of support plate (101) includes spring rod (201), the spring rod (201) is fixedly connected with the inner wall of through hole (102), the spring rod (201) is fixedly connected with clamping plate (202) away from the surface of support plate (101), the lower surface of clamping plate (202) is fixedly connected with guide plate (203) and is in the shape of inclination, the both sides of clamping plate (202) are hingedly connected with arc-shaped plate (204), the arc-shaped plate (204) is fixedly connected with reset spring (205) close to the surface of support plate (101), the other end of reset spring (205) is fixedly connected with the inner wall of through hole (102).

3. A portable weight lifter as claimed in claim 2 wherein, The clamping unit located in the inner wall of adjusting plate (104) is consistent with the structure of another clamping unit, and the end of spring rod (201) away from clamping plate (202) is fixedly connected with movable plate (301), the outer surface of movable plate (301) is slidingly connected with sleeve plate (302), and sleeve plate (302) penetrates fixed cylinder (105).

4. A portable weight lifter as claimed in claim 1 wherein, The upper surface of adjusting plate (104) is provided with sliding groove (401), the inner wall of sliding groove (401) is slidingly connected with movable rod (402), the movable rod (402) is contracted from the end away from fixed cylinder (105) to the other end and is in the shape of variable diameter, and the end away from the contraction end is fixedly connected with limiting block (403).

5. A portable weight lifter as claimed in claim 4 wherein, The end away from fixed cylinder (105) of sliding groove (401) is fixedly connected with limiting ring (404) above, the limiting ring (404) is abutted with limiting block (403), and movable plate (301) is located above movable rod (402).

6. A portable weight lifter as claimed in claim 5 wherein, The upper surface of adjusting plate (104) is fixedly connected with buckle (501), the buckle (501) is clamped with hook (502), the upper end of hook (502) is fixedly connected with chain (503), and the upper end of chain (503) is fixedly connected with support frame (504).

7. A portable weight lifter as claimed in claim 6 wherein, The upper surface of support frame (504) is fixedly connected with steel cable (601), and the upper end of steel cable (601) is wound with wire spool (602).

8. A portable weight lifter as claimed in claim 7 wherein, The outer surface of wire spool (602) is fixedly connected with speed reducer motor (603), and the upper surface of speed reducer motor (603) is fixedly connected with reciprocating motor (604).

9. A portable weight lifter as claimed in claim 8 wherein, The output end of the reciprocating motor (604) is fixedly connected with a roller (605), the outer surface of the roller (605) is slidably connected with a guide rail (606), and the guide rail (606) is fixedly connected with a supporting column (607) at either end.

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