Multi-specification multi-lifting-point module lifting appliance and lifting method

Abstract

The invention relates to the technical field of lifting, and discloses a multi-specification multi-lifting-point module lifting appliance and a lifting method.The multi-specification multi-lifting-point module lifting appliance comprises a main lifting row, a first pulley mechanism is arranged on the main lifting row, the first pulley mechanism is connected with a plurality of first tackles through first steel wire ropes, and a plurality of auxiliary lifting rows correspond to the first tackles one to one and are located below the first tackles; the auxiliary hoisting row is connected with the first tackle through a second steel wire rope, a plurality of second pulley mechanisms are arranged on the auxiliary hoisting row, the second pulley mechanisms are connected with a plurality of second tackles through third steel wire ropes, the second tackles are connected with fourth steel wire ropes, and the fourth steel wire ropes are used for being connected with modules. The lifting appliance can meet the lifting requirements of modules with different sizes, shapes and weights, the application range of the lifting appliance is greatly widened, the trouble of frequently replacing the lifting appliance due to the specification change of the modules is reduced, continuous operation is realized, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of hoisting, and in particular to a multi-specification and multi-hoisting-point module hoist and a hoisting method. Background Art

[0002] With the rapid development of my country's economy, the demand for engineering construction is increasing. Modular construction has been more and more widely used in engineering construction in recent years. However, modular engineering devices have higher requirements for hoisting due to their different structures, volumes, weights and sizes.

[0003] Traditional lifting tools have poor versatility and cannot cope with the lifting needs of modules of different sizes, shapes and weights, resulting in the need to frequently replace lifting equipment, which is not conducive to shortening the construction period. Summary of the invention

[0004] The object of the present invention is to provide a multi-specification and multi-hanging-point modular sling and a slinging method, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a multi-specification multi-hanging point modular sling, comprising:

[0006] A main hanging row, wherein a first pulley mechanism is provided on the main hanging row, wherein the first pulley mechanism is connected to a plurality of first pulleys via a first steel wire rope, and the plurality of first pulleys are provided below the main hanging row;

[0007] A plurality of auxiliary hanging rows, the plurality of auxiliary hanging rows correspond to the plurality of first pulleys one by one and are located below the plurality of first pulleys, the auxiliary hanging rows are perpendicular to the main hanging rows, the auxiliary hanging rows are connected to the first pulleys through a second steel wire rope, a plurality of second pulley mechanisms are arranged on the auxiliary hanging rows, the second pulleys are connected to a plurality of second pulleys through a third steel wire rope, a plurality of second pulleys are arranged below the auxiliary hanging rows, a fourth steel wire rope is connected to the second pulleys, and the fourth steel wire rope is used to connect to the module.

[0008] Optionally, the first pulley mechanism includes:

[0009] A plurality of pairs of large fixed pulleys are rotatably connected to the main hanging row through first pulley fixed shafts;

[0010] A first rope fixing shaft is arranged on the main hanging row and is located at one side of the plurality of pairs of large fixed pulleys, the horizontal interval between the first rope fixing shaft and the adjacent first pulley fixing shaft and the horizontal interval between two adjacent first pulley fixing shafts are first intervals of the same size, the plurality of first pulleys correspond to the plurality of first intervals one by one, and the first pulley is located at the center of the first interval;

[0011] The guide pulley is rotatably connected to the main hanging row through a guide fixed shaft and is located at one end of the first rope fixed shaft of multiple pairs of large fixed pulleys. The first steel wire rope is wound around the guide pulley, multiple large fixed pulleys and multiple first pulleys and both ends are connected to the first rope fixed shaft.

[0012] Optionally, the main suspension row is provided with a pulley cover which is covered on the guide pulley.

[0013] Optionally, a plurality of large lifting ears are provided on the main lifting row.

[0014] Optionally, the first pulley comprises:

[0015] First frame;

[0016] A pair of small pulleys, rotatably connected to the first frame, the small pulleys are parallel to the large fixed pulley, and the first steel wire rope is wound around the pair of small pulleys;

[0017] A large pulley is rotatably connected to the first frame and is located below the small pulley. The large pulley is in opposite directions to the small pulley. The second steel wire rope is wound around the large pulley.

[0018] Optionally, a pair of small lifting ears are provided on the auxiliary lifting bar, and both ends of the second steel wire rope are respectively connected to the pair of small lifting ears.

[0019] Optionally, the second pulley mechanism includes:

[0020] A small fixed pulley is rotatably connected to the auxiliary hanging bar through a second pulley fixed shaft, and the third steel wire rope is wound around the small fixed pulley;

[0021] A pair of third rope fixing shafts are arranged on the auxiliary suspension row, and the pair of third rope fixing shafts are symmetrically arranged on both sides of the small fixed pulley. The two ends of the third steel wire rope are respectively connected to the pair of third rope fixing shafts, and the interval between the third rope fixing shaft and the small fixed pulley is the second interval. The second pulley is arranged at the center position of the second interval.

[0022] Optionally, the second pulley comprises:

[0023] Second frame;

[0024] an upper pulley, rotatably connected to the second frame, and the third steel wire rope is wound around the upper pulley;

[0025] A third frame is rotatably connected to a lifting ring via a lifting ring shaft, and the lifting ring is connected to the second frame via a lifting ring nut;

[0026] The lower pulley is rotatably connected to the third frame, and the fourth steel wire rope is wound around the lower pulley.

[0027] Optionally, a self-lubricating thrust washer is provided between the lifting ring and the lifting ring nut.

[0028] The present invention also provides a method for hoisting modules with multiple specifications and multiple hoisting points, comprising the following steps:

[0029] Determine the location of the hanging point according to the size and center of gravity of the module;

[0030] Determine the connection positions of the plurality of fourth steel wire ropes in combination with the suspension point positions of the module;

[0031] Connect the fourth steel wire rope to the suspension point position.

[0032] The present invention discloses the following technical effects:

[0033] 1. Connect multiple first pulleys to the first pulley mechanism on the main lifting row through the first steel wire rope, connect the auxiliary lifting row with the first pulley through the second steel wire rope, and connect the second pulley on the auxiliary lifting row through the second pulley mechanism and the third steel wire rope. The number of auxiliary lifting rows can be flexibly changed according to the number and spacing of module lifting points. Finally, a fourth steel wire rope is arranged on the second pulley. Multiple fourth steel wire ropes are used as module connection points. Multiple module connection points are formed by multiple fourth steel wire ropes. The number and position of the lifting points can be adjusted according to the actual situation of the module. It is suitable for modules of various specifications and can cope with the lifting requirements of modules of different sizes, shapes and weights. It greatly improves the application range of the sling, reduces the trouble of frequent replacement of slings due to changes in module specifications, realizes continuous operation, and improves production efficiency.

[0034] 2. Multiple module connection points can evenly distribute the weight of the module, reduce the force strength of a single lifting point, and reduce the risk of local overload of the lifting point causing damage to the lifting equipment or module falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0036] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0037] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0038] Figure 3 It is a front view of the main hanging row of the present invention;

[0039] Figure 4 It is a schematic diagram of the first pulley structure of the present invention;

[0040] Figure 5 It is a front view of the auxiliary hanging row of the present invention;

[0041] Figure 6 A three-dimensional diagram of the auxiliary hanging row of the present invention;

[0042] Figure 7 It is a schematic structural diagram of the second pulley of the present invention.

[0043] In the figure: 1, main lifting row; 2, first pulley; 3, large fixed pulley; 4, guide pulley; 5, auxiliary lifting row; 6, small fixed pulley; 7, second pulley; 8, first steel wire rope; 9, second steel wire rope; 10, third steel wire rope; 11, fourth steel wire rope; 101, first rope fixing shaft; 102, first pulley fixing shaft; 103, guide fixing shaft; 104, pulley cover; 105, large lifting lug; 201, first frame; 202, small pulley; 203, large pulley; 501, small lifting lug; 502, second pulley fixing shaft; 503, third rope fixing shaft; 701, second frame; 702, upper pulley; 703, lifting ring; 704, lifting ring shaft; 705, lifting ring nut; 706, self-lubricating thrust washer; 707, third frame; 708, lower pulley. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0045] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] Reference Figure 1-Figure 7 The present invention provides a multi-specification and multi-hanging point modular sling, comprising:

[0047] A main hanging row 1, on which a first pulley mechanism is arranged, and the first pulley mechanism is connected to a plurality of first pulleys 2 via a first steel wire rope 8, and the plurality of first pulleys 2 are arranged below the main hanging row 1;

[0048] A plurality of auxiliary hanging rows 5, the plurality of auxiliary hanging rows 5 correspond to the plurality of first pulleys 2 one by one and are located below the plurality of first pulleys 2, the auxiliary hanging rows 5 are perpendicular to the main hanging rows 1, the auxiliary hanging rows 5 and the first pulleys 2 are connected via a second steel wire rope 9, a plurality of second pulley mechanisms are arranged on the auxiliary hanging rows 5, the second pulley mechanisms are connected to the plurality of second pulleys 7 via a third steel wire rope 10, the plurality of second pulleys 7 are arranged below the auxiliary hanging rows 5, a fourth steel wire rope 11 is connected to the second pulley 7, and the fourth steel wire rope 11 is used to connect to the module.

[0049] A plurality of first pulleys 2 are connected to the first pulley mechanism on the main hanging row 1 through the first steel wire rope 8, and the auxiliary hanging row 5 is connected to the first pulley 2 through the second steel wire rope 9, and the second pulley 7 is connected to the auxiliary hanging row 5 through the second pulley mechanism and the third steel wire rope 10, and finally a fourth steel wire rope 11 is arranged on the second pulley 7, and a plurality of fourth steel wire ropes 11 are used as module connection points, and a plurality of module connection points are formed by the plurality of fourth steel wire ropes 11, which are suitable for modules of various specifications and can cope with the lifting requirements of modules of different sizes, shapes and weights, greatly improving the application range of the sling, reducing the trouble of frequent replacement of slings due to changes in module specifications, realizing continuous operation, and improving production efficiency.

[0050] In one embodiment of the present invention, the first pulley mechanism comprises:

[0051] A plurality of pairs of large fixed pulleys 3 are rotatably connected to the main hanging row 1 through the first pulley fixed shaft 102;

[0052] The first rope fixing shaft 101 is arranged on the main hanging row 1 and is located on one side of the plurality of pairs of large fixed pulleys 3. The horizontal interval between the first rope fixing shaft 101 and the adjacent first pulley fixing shaft 102 and the horizontal interval between two adjacent first pulley fixing shafts 102 are both first intervals of the same size. The plurality of first pulleys 2 correspond to the plurality of first intervals one by one, and the first pulley 2 is located at the center of the first interval.

[0053] The guide pulley 4 is rotatably connected to the main hanging row 1 through the guide fixed shaft 103 and is located at one end of the first rope fixed shaft 101 of multiple pairs of large fixed pulleys 3. The first steel wire rope 8 is wound around the guide pulley 4, multiple large fixed pulleys 3 and multiple first pulleys 2 and is connected to the first rope fixed shaft 101 at both ends.

[0054] Both ends of the first steel wire rope 8 first pass around the guide pulley 4 on the upper part of the main hanging row 1 and then pass around the staggered first pulley 2 and the two rows of large fixed pulleys 3 inside the main hanging row 1 in sequence.

[0055] In one embodiment of the present invention, a pulley cover 104 is provided on the main suspension row 1 and covers the guide pulley 4. The pulley cover 104 prevents the guide pulley 4 from falling off.

[0056] In one embodiment of the present invention, a plurality of large lifting eyes 105 are provided on the main lifting row 1, and the large lifting eyes 105 are connected to external lifting equipment through rigging.

[0057] In one embodiment of the present invention, the first pulley 2 comprises:

[0058] A first frame 201;

[0059] A pair of small pulleys 202 are rotatably connected to the first frame 201, the small pulleys 202 are parallel to the large fixed pulley 3, and the first steel wire rope 8 is wound around the pair of small pulleys 202;

[0060] The big pulley 203 is rotatably connected to the first frame 201 and is located below the small pulley 202 . The big pulley 203 is in opposite directions to the small pulley 202 . The second steel wire rope 9 is wound around the big pulley 203 .

[0061] In one embodiment of the present invention, a pair of small lifting ears 501 are provided on the auxiliary lifting bar 5, and both ends of the second steel wire rope 9 are respectively connected to the pair of small lifting ears 501.

[0062] In one embodiment of the present invention, the second pulley mechanism comprises:

[0063] The small fixed pulley 6 is rotatably connected to the auxiliary suspension bar 5 through the second pulley fixed shaft 502, and the third steel wire rope 10 is wound around the small fixed pulley 6;

[0064] A pair of third rope fixing shafts 503 are arranged on the auxiliary suspension row 5, and the pair of third rope fixing shafts 503 are symmetrically arranged on both sides of the small fixed pulley 6. The two ends of the third steel wire rope 10 are respectively connected to the pair of third rope fixing shafts 503, and the interval between the third rope fixing shaft 503 and the small fixed pulley 6 is the second interval. The second pulley 7 is arranged at the center position of the second interval.

[0065] The third steel wire rope 10 passes around the staggered second pulleys 7 and the small fixed pulley 6 inside the auxiliary suspension row 5 in sequence.

[0066] In one embodiment of the present invention, the second pulley 7 comprises:

[0067] A second frame 701;

[0068] The upper pulley 702 is rotatably connected to the second frame 701, and the third steel wire rope 10 is wound around the upper pulley 702;

[0069] The third frame 707 is rotatably connected to the lifting ring 703 via the lifting ring shaft 704, and the lifting ring 703 is connected to the second frame 701 via the lifting ring nut 705;

[0070] The lower pulley 708 is rotatably connected to the third frame 707 , and the fourth steel wire rope 11 is wound around the lower pulley 708 .

[0071] In one embodiment of the present invention, a self-lubricating thrust washer 706 is provided between the lifting ring 703 and the lifting ring nut 705 .

[0072] The number of auxiliary hanging rows 5 of the present invention can be flexibly changed according to the number and spacing of module hanging point rows. The unloaded first pulley 2 automatically rises to the bottom of the main hanging row 1 after the first steel wire rope 8 is stressed. The number and position of the hanging points can be adjusted according to the actual situation of the module to meet different hoisting requirements. The operation is simple and convenient, and no complicated tools and professional skills are required, which improves the efficiency of the hoisting operation.

[0073] A method for hoisting modules with multiple specifications and multiple hoisting points, comprising the following steps:

[0074] Determine the location of the hanging point according to the size and center of gravity of the module;

[0075] Determine the connection positions of the plurality of fourth steel wire ropes in combination with the suspension point positions of the modules;

[0076] Connect the fourth steel wire rope 11 to the suspension point.

[0077] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0078] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A multi-specification and multi-hanging point modular sling, characterized in that: include: A main hanging row (1), wherein a first pulley mechanism is arranged on the main hanging row (1), wherein the first pulley mechanism is connected to a plurality of first pulleys (2) via a first steel wire rope (8), and the plurality of first pulleys (2) are arranged below the main hanging row (1); A plurality of auxiliary hanging rows (5), wherein the plurality of auxiliary hanging rows (5) correspond to the plurality of first pulleys (2) one by one and are located below the plurality of first pulleys (2), the auxiliary hanging rows (5) are perpendicular to the main hanging rows (1), the auxiliary hanging rows (5) and the first pulleys (2) are connected via a second steel wire rope (9), a plurality of second pulley mechanisms are arranged on the auxiliary hanging rows (5), the second pulley mechanisms are connected to a plurality of second pulleys (7) via a third steel wire rope (10), a plurality of second pulleys (7) are arranged below the auxiliary hanging rows (5), a fourth steel wire rope (11) is connected to the second pulley (7), and the fourth steel wire rope (11) is used to connect to the module.

2. The multi-specification and multi-hanging point modular sling according to claim 1, characterized in that: The first pulley mechanism comprises: A plurality of pairs of large fixed pulleys (3) are rotatably connected to the main suspension bar (1) via first pulley fixed shafts (102); A first rope fixing shaft (101) is arranged on the main hanging row (1) and is located on one side of the plurality of pairs of large fixed pulleys (3); the horizontal interval between the first rope fixing shaft (101) and the adjacent first pulley fixing shaft (102) and the horizontal interval between two adjacent first pulley fixing shafts (102) are first intervals of the same size; the plurality of first pulleys (2) correspond to the plurality of first intervals one by one, and the first pulley (2) is located at the center of the first interval; The guide pulley (4) is rotatably connected to the main hanging row (1) through a guide fixed shaft (103) and is located at one end of the first rope fixed shaft (101) of multiple pairs of large fixed pulleys (3); the first steel wire rope (8) is wound around the guide pulley (4), multiple large fixed pulleys (3) and multiple first pulleys (2) and is connected to the first rope fixed shaft (101) at both ends.

3. The multi-specification and multi-hanging point modular sling according to claim 2, characterized in that: The main suspension row (1) is provided with a pulley cover (104) which covers the guide pulley (4).

4. The multi-specification and multi-hanging point modular sling according to claim 1, characterized in that: The main hanging row (1) is provided with a plurality of large hanging ears (105).

5. The multi-specification and multi-hanging point modular sling according to claim 2, characterized in that: The first pulley (2) comprises: A first frame (201); A pair of small pulleys (202) are rotatably connected to the first frame (201), the small pulleys (202) are parallel to the large fixed pulley (3), and the first steel wire rope (8) is wound around the pair of small pulleys (202); A large pulley (203) is rotatably connected to the first frame (201) and is located below the small pulley (202). The large pulley (203) rotates in opposite directions to the small pulley (202). The second steel wire rope (9) is wound around the large pulley (203).

6. The multi-specification and multi-hanging point modular sling according to claim 1, characterized in that: A pair of small lifting ears (501) is provided on the auxiliary lifting bar (5), and the two ends of the second steel wire rope (9) are respectively connected to the pair of small lifting ears (501).

7. The multi-specification and multi-hanging point modular sling according to claim 1, characterized in that: The second pulley mechanism comprises: A small fixed pulley (6) is rotatably connected to the auxiliary suspension bar (5) via a second pulley fixed shaft (502), and the third steel wire rope (10) is wound around the small fixed pulley (6); A pair of third rope fixing shafts (503) are arranged on the auxiliary suspension row (5), and the pair of third rope fixing shafts (503) are symmetrically arranged on both sides of the small fixed pulley (6). The two ends of the third steel wire rope (10) are respectively connected to the pair of third rope fixing shafts (503), and the interval between the third rope fixing shaft (503) and the small fixed pulley (6) is the second interval. The second pulley (7) is arranged at the center position of the second interval.

8. The multi-specification and multi-hanging point modular sling according to claim 1, characterized in that: The second pulley (7) comprises: A second frame (701); An upper pulley (702) is rotatably connected to the second vehicle frame (701), and the third steel wire rope (10) is wound around the upper pulley (702); The third vehicle frame (707) is rotatably connected to a lifting ring (703) via a lifting ring shaft (704), and the lifting ring (703) is connected to the second vehicle frame (701) via a lifting ring nut (705); The lower pulley (708) is rotatably connected to the third frame (707), and the fourth steel wire rope (11) is wound around the lower pulley (708).

9. The multi-specification and multi-hanging point modular sling according to claim 8, characterized in that: A self-lubricating thrust washer (706) is provided between the lifting ring (703) and the lifting ring nut (705).

10. A method for hoisting modules with multiple specifications and multiple lifting points, based on a module hoist with multiple specifications and multiple lifting points according to any one of claims 1 to 9, characterized in that: The following steps are involved: Determine the location of the hanging point according to the size and center of gravity of the module; Determine the connection positions of the plurality of fourth steel wire ropes in combination with the suspension point positions of the module; The fourth steel wire rope (11) is connected to the suspension point.

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