Lightweight hoisting machinery

Abstract

The utility model discloses a lightweight hoisting machinery, including main body subassembly, main body subassembly includes I-steel beam, sliding frame, lift cylinder, support cylinder, support leg and support foot, the both sides of I-steel beam outer side wall are both in sliding connection with sliding frame, the centre of lower surface of both sliding frame is welded with lift cylinder. By optimizing the structure and material selection of the main body component, the light weight of the crane is realized, the dead weight of the crane is reduced, and the convenience in disassembly and transportation of the crane is improved; the length and the height of the crane can be adjusted through sliding of the sliding frame on the I-shaped steel beam and sliding of the lifting cylinder in the supporting cylinder, and the adaptability of the crane is improved; through cooperation of the supporting legs and the screw rods, stable supporting of the crane can be achieved, shaking or toppling in the working process is prevented, and through the universal wheels below the connecting cylinders, the crane can flexibly move on the ground, and operation at different positions is facilitated.

Description

Technical field:

[0001] The utility model relates to the technical field of lifting machinery, in particular to a lightweight lifting machinery. Background technology:

[0002] Hoists are electromechanical devices used to lift or lower heavy objects vertically and move them horizontally. Hoists are widely used in industries such as construction, manufacturing, and mining. On construction sites, cranes are often used to move heavy materials, equipment, and building materials from the ground to heights. In the manufacturing industry, cranes are often used in production lines that require the movement of heavy objects, to move heavy machinery and equipment from one place to another, and to transport raw materials and finished products vertically to warehouses or loading and unloading areas. In the mining industry, cranes are often used to load mined ore into trucks or transport equipment, or in mines to lift equipment and materials up or down the shaft.

[0003] As a type of lifting machinery, gantry cranes are widely used in outdoor cargo yards, material yards and bulk cargo loading and unloading operations. Existing gantry cranes have some inherent problems in design and manufacturing. First, their structure is relatively fixed and cannot be adjusted according to the different needs of actual application scenarios, resulting in poor adaptability. Secondly, due to the heavy weight of traditional gantry cranes, it not only limits their application in certain specific occasions, but also increases the difficulty of their disassembly and transportation, further reducing their practicality. Therefore, a lightweight lifting machinery is proposed. Utility model content:

[0004] The purpose of the utility model is to provide a lightweight lifting machinery to solve one of the problems raised in the above background technology.

[0005] The utility model is implemented by the following technical scheme: a lightweight lifting machinery, including a main body component, the main body component includes an I-beam beam, a sliding frame, a lifting cylinder, a support cylinder, a support leg, a connecting cylinder, a universal wheel, a screw, a threaded cylinder and a support foot, the outer side wall of the I-beam is slidably connected with a sliding frame on both sides, a lifting cylinder is welded at the center of the lower surface of the two sliding frames, the lower part of the outer side wall of the lifting cylinder is slidably connected with the support cylinder, the front surface and the top of the rear surface of the support cylinder are welded with support legs, the bottom of the two support legs are welded with a connecting cylinder, the side of the lower surfaces of the two connecting cylinders that are close to each other is fixedly connected with a universal wheel, the side of the upper surfaces of the two connecting cylinders that are far away from each other is penetrated by a screw, the upper surface of the connecting cylinder is welded with a threaded cylinder near the outside of the screw, the outer side wall of the screw is threadedly connected to the inner side wall of the threaded cylinder, and the bottom of the outer side wall of the screw is rotatably connected with the support foot.

[0006] As a further preferred embodiment of the present technical solution: an insertion rod is penetrated in the middle of the front surface and the rear surface of the support tube, a limiting tube is welded to the outer side of the middle of the front surface and the rear surface of the support tube near the insertion rod, the ends of the two insertion rods that are away from each other respectively penetrate the center of the side of the inner side walls of the two limiting tubes that are away from each other, a limiting ring is fixedly connected to the middle of the outer side wall of the insertion rod, the outer side wall of the limiting ring is slidably connected to the inner side wall of the limiting tube, and a spring is sleeved on the side of the outer side walls of the two insertion rods that are away from each other, one end of the spring is fit-connected to the side of the limiting ring that is away from the support tube, and the other end of the spring is fit-connected to the side of the inner side wall of the limiting tube that is away from the support tube.

[0007] As a further preferred embodiment of the technical solution: a plurality of insertion holes are correspondingly provided at the lower parts of the front surface and the rear surface of the lifting cylinder, and the outer side wall of the insertion rod is slidably connected to the inner side wall of the insertion hole at a side away from the spring.

[0008] As a further preferred embodiment of the present technical solution: a bolt passes through the center of the front surface of the sliding frame, a plurality of limiting holes are opened in the middle of both sides of the front surface of the I-beam, and the middle of the outer wall of the bolt is slidably connected to the inner wall of the limiting hole.

[0009] As a further preferred embodiment of the technical solution: a pull button is fixedly connected to the ends of the two insertion rods that are away from each other, and a turning handle is welded to the top of the screw rod.

[0010] As a further preferred embodiment of the present technical solution: support rods are welded to the lower parts of the front surface and the rear surface of the support tube, and the ends of the two support rods that are far away are respectively welded to the middle parts of the adjacent sides of the two support legs.

[0011] As a further preferred embodiment of the present technical solution: the middle portion of the outer side wall of the I-beam is rotatably connected to a lifting trolley via a plurality of rollers.

[0012] As a further preferred embodiment of the present technical solution: a plurality of conical anti-slip teeth are fixedly connected to the lower surface of the supporting foot.

[0013] Advantages of the utility model:

[0014] 1. The utility model realizes the lightweight of the crane by optimizing the structure and material selection of the main components, reduces the dead weight of the crane, and improves the convenience of its disassembly and transportation.

[0015] 2. The utility model can adjust the length and height of the crane by sliding the sliding frame on the I-beam and sliding the lifting cylinder in the supporting cylinder, thereby improving the adaptability of the crane.

[0016] 3. The utility model can achieve stable support of the crane through the cooperation of the supporting feet and the screw rod to prevent shaking or tipping during operation, and through the universal wheels under the connecting tube, the crane can be flexibly moved on the ground, which is convenient for operation in different positions. Description of the drawings:

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the lifting cylinder and supporting leg structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the support tube and the insertion rod structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the universal wheel and support foot structure of the utility model.

[0022] In the figure: 1. Main assembly; 11. I-beam; 12. Sliding frame; 13. Lifting cylinder; 14. Support cylinder; 15. Support leg; 16. Connecting cylinder; 17. Universal wheel; 18. Screw; 19. Threaded cylinder; 20. Support foot; 21. Insert rod; 22. Limit cylinder; 23. Limit ring; 24. Spring; 25. Socket; 26. Bolt; 27. Limit hole; 28. Pull knob; 29. ​​Turn handle; 30. Support rod; 31. Roller; 32. Lifting trolley; 33. Conical anti-skid teeth. Specific implementation method:

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] See also Figure 1-4The utility model provides a technical solution: a lightweight lifting machinery, including a main body assembly 1, the main body assembly 1 includes an I-beam beam 11, a sliding frame 12, a lifting cylinder 13, a support cylinder 14, a support leg 15, a connecting cylinder 16, a universal wheel 17, a screw 18, a threaded cylinder 19 and a support foot 20, both sides of the outer wall of the I-beam beam 11 are slidably connected with the sliding frame 12, the lifting cylinder 13 is welded at the center of the lower surface of the two sliding frames 12, the lower part of the outer wall of the lifting cylinder 13 is slidably connected with the support cylinder 14, and the front surface and the top of the rear surface of the support cylinder 14 are welded with the support leg 15 A connecting tube 16 is welded to the bottom of the two supporting legs 15, and a universal wheel 17 is fixedly connected to the side of the lower surface of the two connecting tubes 16 that is close to each other. A screw 18 is passed through the side of the upper surface of the two connecting tubes 16 that is away from each other. A threaded tube 19 is welded to the outer side of the upper surface of the connecting tube 16 close to the screw 18, and the outer wall of the screw 18 is threadedly connected to the inner wall of the threaded tube 19. The bottom of the outer wall of the screw 18 is rotatably connected to a supporting foot 20, and the lifting tube 13 slides inside the supporting tube 14 through the lifting tube 13, thereby limiting the lifting tube 13 and increasing the stability of the movement of the lifting tube 13.

[0026] In this embodiment, specifically: an insertion rod 21 is penetrated in the middle of the front surface and the rear surface of the support tube 14, and a limiting tube 22 is welded to the outer side of the middle of the front surface and the rear surface of the support tube 14 near the insertion rod 21, and the ends of the two insertion rods 21 that are away from each other are respectively penetrated through the center of the side away from the inner side walls of the two limiting tubes 22, and the middle of the outer side wall of the insertion rod 21 is fixedly connected to the limiting ring 23, and the outer side wall of the limiting ring 23 is slidably connected to the inner side wall of the limiting tube 22, and a spring 24 is sleeved on the side away from the outer side walls of the two insertion rods 21, one end of the spring 24 is fitted and connected to the side of the limiting ring 23 away from the support tube 14, and the other end of the spring 24 is fitted and connected to the side of the inner side wall of the limiting tube 22 away from the support tube 14, and the limiting ring 23 is pushed to reset by the thrust of the spring 24, thereby driving the insertion rod 21 to reset.

[0027] In this embodiment, specifically: a plurality of insertion holes 25 are correspondingly provided on the lower portions of the front surface and the rear surface of the lifting cylinder 13, and the outer wall of the insertion rod 21 is slidably connected to the inner wall of the insertion hole 25 on the side away from the spring 24, and the insertion rod 21 is inserted into the insertion hole 25 on the lifting cylinder 13, thereby limiting and fixing the lifting cylinder 13.

[0028] In this embodiment, specifically: a bolt 26 passes through the center of the front surface of the sliding frame 12, and a plurality of limiting holes 27 are opened in the middle of both sides of the front surface of the I-beam 11. The middle of the outer wall of the bolt 26 is slidably connected to the inner wall of the limiting hole 27, and the sliding frame 12 is limited by the bolt 26.

[0029] In this embodiment, specifically: a pull button 28 is fixedly connected to the ends of the two insertion rods 21 that are away from each other, and a turning handle 29 is welded to the top of the screw rod 18. The pull button 28 facilitates pulling the insertion rod 21, and the turning handle 29 facilitates rotating the screw rod 18.

[0030] In this embodiment, specifically: support rods 30 are welded to the lower parts of the front surface and the rear surface of the support tube 14, and the ends of the two support rods 30 that are far away from each other are respectively welded to the middle parts of the adjacent sides of the two support legs 15, and the two support legs 15 are reinforced and supported by the two support rods 30, thereby increasing the firmness of the support legs 15.

[0031] In this embodiment, specifically: the middle part of the outer wall of the I-beam 11 is rotatably connected to a lifting trolley 32 through a plurality of rollers 31, and the lifting trolley 32 facilitates lifting the cargo and moving it horizontally on the lifting machinery.

[0032] In this embodiment, specifically: a plurality of conical anti-skid teeth 33 are fixedly connected to the lower surface of the support foot 20, and the conical anti-skid teeth 33 at the lower part of the support foot 20 increase the friction with the ground, thereby preventing the lifting machinery from sliding, thereby improving the stability of the lifting machinery.

[0033] The working principle or structural principle is that when in use, the I-beam 11 serves as the main bearing structure, and the sliding frame 12 can slide on the I-beam 11, so as to facilitate the adjustment of the spacing between the supporting legs 15 on both sides, so as to adapt to different working scenes. The position of the sliding frame 12 that has been adjusted is fixed by the cooperation of the bolts 26 and the limiting holes 27. The plug rod 21 is driven to slide out of the socket 25 on the lifting cylinder 13 by pulling the pull button 28, so as to release the limit of the lifting cylinder 13, so as to facilitate the adjustment of the height of the lifting cylinder 13. After the height is adjusted, the spring 24 pushes the limiting ring 23 to reset, so as to drive the plug rod 21 to insert into the socket 2 5, and then fix the relative positions of the lifting cylinder 13 and the supporting cylinder 14. By adjusting the height of the lifting cylinder 13, it is convenient to adjust the height of the entire lifting machinery. By removing the bolts 26, it is convenient to slide the crossbeam I-beam beam 11 out of the sliding frame 12 and remove it, and then the lifting machinery is divided into three parts. The disassembled lifting machinery is convenient for transportation. By turning the handle 29, the screw rod 18 is lowered, so that the supporting foot 20 contacts the ground. The conical anti-skid teeth 33 at the bottom of the supporting foot 20 increase the friction with the ground, so as to prevent the lifting machinery from sliding. When the lifting machinery needs to be moved, it only needs to lift the supporting foot 20 and it can be easily moved through the universal wheel 17.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lightweight lifting machine. It is characterized in that include A main body component (1), the main body component (1) comprising an I-beam (11), a sliding frame (12), a lifting cylinder (13), a support cylinder (14), a support leg (15), a connecting cylinder (16), a universal wheel (17), a screw (18), a threaded cylinder (19) and a support foot (20), the sliding frames (12) are slidably connected to both sides of the outer wall of the I-beam (11), the lifting cylinder (13) is welded at the center of the lower surface of the two sliding frames (12), the lower part of the outer wall of the lifting cylinder (13) is slidably connected to the support cylinder (14), the front surface and A support leg (15) is welded to the top of the rear surface, a connecting tube (16) is welded to the bottom of the two support legs (15), a universal wheel (17) is fixedly connected to the side of the lower surface of the two connecting tubes (16) close to each other, a screw rod (18) is passed through the side of the upper surface of the two connecting tubes (16) away from each other, a threaded tube (19) is welded to the outer side of the upper surface of the connecting tube (16) close to the screw rod (18), the outer side wall of the screw rod (18) is threadedly connected to the inner side wall of the threaded tube (19), and the bottom of the outer side wall of the screw rod (18) is rotatably connected to a support foot (20).

2. A lightweight lifting machine according to claim 1, It is characterized in that The front surface and the middle part of the rear surface of the support tube (14) are penetrated by an insertion rod (21), and the middle part of the front surface and the rear surface of the support tube (14) is welded with a limiting tube (22) near the outer side of the insertion rod (21). The ends of the two insertion rods (21) that are away from each other respectively penetrate the center of the side away from the inner side walls of the two limiting tubes (22). The middle part of the outer side wall of the insertion rod (21) is fixedly connected to a limiting ring (23), and the outer side wall of the limiting ring (23) is slidably connected to the inner side wall of the limiting tube (22). The side away from the outer side walls of the two insertion rods (21) is sleeved with a spring (24), one end of the spring (24) is fitted and connected to the side of the limiting ring (23) away from the support tube (14), and the other end of the spring (24) is fitted and connected to the side of the inner side wall of the limiting tube (22) away from the support tube (14).

3. A lightweight lifting machine according to claim 2, It is characterized in that A plurality of insertion holes (25) are correspondingly provided at the lower parts of the front surface and the rear surface of the lifting cylinder (13), and the outer wall of the insertion rod (21) away from the spring (24) is slidably connected to the inner wall of the insertion hole (25).

4. A lightweight lifting machine according to claim 1, It is characterized in that A bolt (26) penetrates the center of the front surface of the sliding frame (12), and a plurality of limiting holes (27) are provided in the middle of both sides of the front surface of the I-beam (11), and the middle of the outer wall of the bolt (26) is slidably connected to the inner wall of the limiting hole (27).

5. A lightweight lifting machine according to claim 2, It is characterized in that A pull button (28) is fixedly connected to the ends of the two insertion rods (21) that are away from each other, and a turning handle (29) is welded to the top of the screw rod (18).

6. A lightweight lifting machine according to claim 1, It is characterized in that Support rods (30) are welded to the lower parts of the front and rear surfaces of the support tube (14), and the ends of the two support rods (30) that are separated from each other are respectively welded to the middle parts of the adjacent sides of the two support legs (15).

7. A lightweight lifting machine according to claim 1, It is characterized in that The middle part of the outer side wall of the I-beam (11) is rotatably connected to a lifting trolley (32) via a plurality of rollers (31).

8. A lightweight lifting machine according to claim 1, It is characterized in that A plurality of conical anti-slip teeth (33) are fixedly connected to the lower surface of the support foot (20).

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