Combined lifting appliance

Abstract

The utility model relates to a crane. The utility model relates to the technical field of load hanging elements or devices of cranes, winches, winches or tackles, and discloses a combined lifting appliance which comprises four lifting trays arranged up and down, four first connecting holes are formed in the upper sides of the lifting trays, first stand columns are arranged in the four first connecting holes, and second stand columns are arranged in the four first connecting holes. The outer surface of the first stand column is sleeved with a plurality of first stand column spacer bushes, the first stand column spacer bushes are arranged between the upper hoisting disc and the lower hoisting disc correspondingly, the outer surfaces of the first stand column spacer bushes are in threaded connection with first upper nuts and first lower nuts in a sleeving mode, and the first upper nuts are arranged on the upper side of the upper hoisting disc. In this way, a plurality of products can be hoisted at the same time, the hoisting tool can be freely adjusted according to the sizes of the products, and then the problems that a single disc is arranged, the yield is low, and the productivity benefit is low are solved.

Description

Technical Field

[0001] The utility model relates to a crane and the technical field of load hanging elements or devices used for cranes, capstans, winches or pulleys, in particular to a combined hanging device. Background Art

[0002] A sling refers to a device used in lifting machinery to lift heavy objects. The most commonly used slings for lifting finished objects are hooks and slings. Others include lifting rings, lifting suction cups, clamps and forks, which are widely used in the lifting and hoisting industry.

[0003] When hoisting products of heat treatment process of well-type carburizing furnaces, drill tails and short drill rods, the current hoists are mostly single hoisting plates, and the lower side of the hoisting plate is connected to a device for grabbing objects such as a hook, a lifting ring or a lifting suction cup. This limits the products that can be transported each time the hoisting is performed. If too many objects need to be hoisted, the transportation time will increase, thereby reducing the production efficiency. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the utility model provides a combined sling, which has the function of hoisting multiple products at the same time and freely adjusting the sling according to the length of the products, thereby solving the problems of single plate, low output, low production efficiency, etc.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined lifting device, comprising a lifting plate, wherein the lifting plates are four, the four lifting plates are arranged up and down, and the upper side of the lifting plates is provided with four first connection holes, and the four first connection holes are arranged in a circular array;

[0008] The first columns are arranged inside the four first connection holes, and the outer surfaces of the first columns are sleeved with a plurality of first column spacers;

[0009] Among them, a plurality of first column spacers are respectively arranged between the upper and lower hoisting plates, and the first column spacers can support the upper and lower hoisting plates;

[0010] Among them, the outer surface of the first column spacer is threadedly sleeved with a first upper nut and a first lower nut, the first upper nut is arranged on the upper side of the upper lifting plate, and the first lower nut is arranged on the lower side of the lower lifting plate.

[0011] Preferably, four triangular plates are arranged on the upper side of the upper lifting plate, the four triangular plates are matched with the four first columns, and the first upper nut is arranged on the upper side of the triangular plates.

[0012] Preferably, a plurality of connecting hooks are fixedly connected to the lower side of the lifting plate, a connecting ring is provided on the lower side of each of the connecting hooks, and a connecting rod is welded on the upper side of the connecting ring.

[0013] Preferably, the connecting rod cooperates with the connecting hook, and a second connecting hole is opened in the center of each of the four lifting plates, and a second column is arranged inside the second connecting hole.

[0014] Preferably, the outer surface of the second column is sleeved with a plurality of second column spacers, and the plurality of second column spacers are respectively arranged between the upper and lower hoisting plates;

[0015] Among them, the second column spacer can further support the upper and lower lifting plates.

[0016] Preferably, a second upper nut and a second lower nut are threadedly sleeved on the outer surface of the second column, the second upper nut is arranged on the upper side of the upper lifting plate, and the second lower nut is arranged on the lower side of the lower lifting plate.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a combined sling with the following beneficial effects:

[0019] (1) When assembling the combined lifting device, the staff connects the four first lower nuts and one second lower nut to the four first columns and one second column respectively, and then places a lifting plate. When placing the lifting plate, the first connecting hole and the first column, as well as the second connecting hole and the second column are aligned. Then, the first column spacer and the second column spacer are mounted on the second column and the second lower nut. The number of the first column spacer and the second column spacer to be installed is determined according to the size of the material to be lifted. The larger the number, the larger the distance between the two lifting plates, and thus the larger the size of the product that can be lifted. When the time is right, a new lifting plate is mounted, and the installation is repeated until all four layers of lifting plates are connected. In this way, multiple products can be lifted at the same time, and the lifting device can be freely adjusted according to the length of the product, thereby solving the problems of single plate, low output, and low production efficiency.

[0020] (2) The combined lifting device has a second connecting hole opened through the center of each of the four lifting plates, a second column is arranged inside the second connecting hole, a plurality of second column spacers are sleeved on the outer surface of the second column, and the plurality of second column spacers are respectively arranged between the upper and lower lifting plates, and the second column spacers can further support the upper and lower lifting plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a combined sling of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the lifting plate of the utility model;

[0023] Figure 3 This is a schematic diagram of the first column connection structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the second column connection structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the hook connection structure of the utility model;

[0026] Figure 6 It is a plan view of the upper connection structure of the combined lifting device of the utility model.

[0027] In the figure: 1. lifting plate; 2. first connecting hole; 3. first column; 4. first column spacer; 5. first upper nut; 6. first lower nut; 7. second connecting hole; 8. second column; 9. second column spacer; 10. second upper nut; 11. second lower nut; 12. triangular plate; 13. connecting hook; 14. connecting lifting ring; 15. connecting rod. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figures 1 to 6The utility model provides a new technical solution: a combined sling, including a lifting plate 1, the lifting plates 1 have four, the four lifting plates 1 are arranged up and down, the upper side of the lifting plate 1 is provided with four first connecting holes 2, the four first connecting holes 2 are arranged in a ring array, the inside of the four first connecting holes 2 is provided with a first column 3, the outer surface of the first column 3 is sleeved with a plurality of first column spacers 4, the plurality of first column spacers 4 are respectively arranged between the upper and lower lifting plates 1, the first column spacers 4 can support the upper and lower lifting plates 1, the outer surface of the first column spacer 4 is threadedly sleeved with a first upper nut 5 and a first lower nut 6, the first upper nut 5 is arranged on the upper side of the upper lifting plate 1, the first lower nut 6 is arranged on the lower side of the lower lifting plate 1, and four triangular plates 12 are arranged on the upper side of the upper lifting plate 1, and the four triangular plates 12 are connected to the four first columns 3. Adaptation, the first upper nut 5 is arranged on the upper side of the triangular plate 12, and a plurality of connecting hooks 13 are fixedly connected to the lower side of the lifting plate 1, and a connecting ring 14 is arranged on the lower side of the plurality of connecting hooks 13, and a connecting rod 15 is welded on the upper side of the connecting ring 14, and the connecting rod 15 cooperates with the connecting hook 13. A second connecting hole 7 is opened in the center of the four lifting plates 1, and a second column 8 is arranged inside the second connecting hole 7. A plurality of second column spacers 9 are sleeved on the outer surface of the second column 8, and a plurality of second column spacers 9 are respectively arranged between the upper and lower lifting plates 1, and the second column spacers 9 can further support the upper and lower lifting plates 1, and a second upper nut 10 and a second lower nut 11 are threadedly sleeved on the outer surface of the second column 8, and the second upper nut 10 is arranged on the upper side of the upper lifting plate 1, and the second lower nut 11 is arranged on the lower side of the lower lifting plate 1.

[0030] Furthermore, when assembling the hoist, the staff connects the four first lower nuts 6 and the second lower nut 11 to the four first columns 3 and the second column 8 respectively, and then places a lifting plate 1. When placing the lifting plate 1, the first connecting hole 2 and the first column 3 and the second connecting hole 7 and the second column 8 are aligned, and then the first column spacer 4 and the second column spacer 9 are sleeved on the second column 8 and the second lower nut 11. The number of the first column spacer 4 and the second column spacer 9 to be installed is determined according to the size of the material to be lifted. The more the number of the first column spacer 4 and the second column spacer 9 is, the greater the distance between the two lifting plates 1 is, so that The larger the size of the product that can be hoisted, the new hoisting plate 1 is put on when the time is right. This installation is repeated until all four layers of hoisting plates 1 are connected. Finally, the connecting ring 14 is connected to the connecting hook 13 through the connecting rod 15, and then four triangular plates 12 are sleeved on the upper side of the upper hoisting plate 1. The four triangular plates 12 are matched with the four first columns 3. After that, the sling can be connected to the lifting equipment, and then the product can be hoisted and transported through the connecting ring 14. In this way, multiple products can be hoisted at the same time, and the sling can be freely adjusted according to the length of the product size, thereby solving the problems of single plate, low output, and low production efficiency.

[0031] Working principle: When assembling the hoist, the staff connects four first lower nuts 6 and one second lower nut 11 to four first columns 3 and one second column 8 respectively, and then places a lifting plate 1. When placing the lifting plate 1, align the first connecting hole 2 with the first column 3 and the second connecting hole 7 with the second column 8. Then, the first column spacer 4 and the second column spacer 9 are set on the second column 8 and the second lower nut 11. The number of the first column spacer 4 and the second column spacer 9 to be installed is determined according to the size of the material to be lifted. The first column spacer 4 and The more the number of second column spacers 9 is, the greater the distance between the two lifting plates 1 is, and thus the larger the size of the product that can be lifted is. When the time is right, a new lifting plate 1 is put on. Repeat the installation until all four layers of lifting plates 1 are connected. Finally, the connecting ring 14 is connected to the connecting hook 13 through the connecting rod 15, and then four triangular plates 12 are put on the upper side of the upper lifting plate 1. The four triangular plates 12 are matched with the four first columns 3. After that, the sling can be connected to the lifting equipment, and then the product can be lifted and transported through the connecting ring 14.

[0032] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined lifting device, comprising a lifting plate (1), characterized in that: There are four lifting plates (1), which are arranged up and down, and each of the lifting plates (1) is provided with four first connection holes (2) on its upper side, and the four first connection holes (2) are arranged in a ring array; The first columns (3) are arranged inside the four first connection holes (2), and the outer surfaces of the first columns (3) are sleeved with a plurality of first column spacers (4); Wherein, a plurality of first column spacers (4) are respectively arranged between the upper and lower lifting plates (1), and the first column spacers (4) are capable of supporting the upper and lower lifting plates (1); The outer surface of the first column spacer (4) is threadedly sleeved with a first upper nut (5) and a first lower nut (6); the first upper nut (5) is arranged on the upper side of the upper hanging plate (1), and the first lower nut (6) is arranged on the lower side of the lower hanging plate (1).

2. A combined lifting device according to claim 1, characterized in that: Four triangular plates (12) are arranged on the upper side of the upper lifting plate (1), the four triangular plates (12) are matched with the four first upright columns (3), and the first upper nut (5) is arranged on the upper side of the triangular plate (12).

3. A combined lifting device according to claim 1, characterized in that: A plurality of connecting hooks (13) are fixedly connected to the lower side of the lifting plate (1), a connecting ring (14) is arranged on the lower side of each of the connecting hooks (13), and a connecting rod (15) is welded on the upper side of the connecting ring (14).

4. A combined lifting device according to claim 3, characterized in that: The connecting rod (15) cooperates with the connecting hook (13), and a second connecting hole (7) is opened at the center of each of the four lifting plates (1), and a second column (8) is arranged inside the second connecting hole (7).

5. A combined lifting device according to claim 4, characterized in that: The outer surface of the second column (8) is sleeved with a plurality of second column spacers (9), and the plurality of second column spacers (9) are respectively arranged between the upper and lower lifting plates (1); The second column spacer (9) can further support the upper and lower lifting plates (1).

6. A combined lifting device according to claim 5, characterized in that: The outer surface of the second column (8) is threadedly sleeved with a second upper nut (10) and a second lower nut (11); the second upper nut (10) is arranged on the upper side of the upper hanging plate (1), and the second lower nut (11) is arranged on the lower side of the lower hanging plate (1).

Images