CN217516514U - Lifting appliance for modular lifting - Google Patents

Abstract

The utility model discloses hoist is used in modularization hoist and mount belongs to the lifting device field, and the purpose makes the hoist structure simplify, the suitability is good. The device comprises a cross beam, wherein two longitudinal beams are symmetrically arranged relative to the center of the cross beam; the longitudinal beam is hung at two ends of the cross beam through a lifting lug in the middle of the longitudinal beam; at least one pair of middle lifting hooks symmetrically arranged about the center of the longitudinal beam and one pair of edge lifting hooks symmetrically arranged about the center of the longitudinal beam are arranged at the bottom of the longitudinal beam. The utility model discloses, directly be connected with the crossbeam through the lug for vertical interval between longeron and the crossbeam is enough little, thereby can avoid dwindling effective lifting height. And, the lug is connected longeron and crossbeam, and the structure between longeron and the crossbeam is simpler, and it is more convenient to use. The setting of middle part lifting hook and limit portion lifting hook can guarantee along the unified cross-section of module to yielding circular, square component, and at least 4 hoist and mount points lift by crane, make module or component not fragile or warp at the hoist and mount in-process. The lifting device can adapt to lifting of different modules and is good in universality.

Description

Lifting appliance for modular lifting

Technical Field

The utility model belongs to the lifting device field, specific is hoist for modularization hoist and mount.

Background

At present, large-scale equipment, steel members or fabricated buildings are generally manufactured and supplied in blocks, and are transported to the site to be modularly hoisted in place in sections. The modular hoisting enables the construction process to be compact and reasonable, reduces the overhead working capacity and improves the construction efficiency, which is the development trend of the installation industry. But a great part of large-sized modules or members have the structural characteristics of easy deformation and easy damage, and the difficulty of modular hoisting caused by the deformation of the modules in the hoisting process is reduced or even avoided.

In order to prevent the module from deforming, a common method is to use a special sling for a frame balance beam or a multi-stage balance beam. The frame balance beam is formed by welding profile steel into a truss, the centers of an upper lifting lug and a module lifting lug plate hole of the truss are respectively positioned on the same horizontal plane, the centers of a lower lifting lug of the truss and the module lifting lug plate hole are positioned in the same vertical plane, and the modules are hoisted by utilizing shackle of the same specification and steel wire rope of the same length. The method has high requirement on the manufacturing precision of the frame balance beam, more material consumption, large welding amount, high welding seam quality requirement and poor universality, and the module is designed and manufactured once every time the module is hoisted, so that the cost is high.

The multi-stage balance beam is a linear balance beam with different ton levels, and the lower part of the large-ton balance beam is connected with the small-ton balance beam by using a steel wire rope and a pulley. The lifting appliance reduces the effective lifting height and has complex structural connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that current multistage compensating beam connects complicacy, provide a hoist for modularization hoist and mount, its simple structure, effectively lift by crane highly to be ensured.

The utility model adopts the technical proposal that: the modular hoisting hanger comprises a cross beam and two longitudinal beams; the two longitudinal beams are symmetrically arranged around the center of the cross beam;

lifting lugs are arranged at the top of the middle part of the longitudinal beam along the longitudinal direction of the longitudinal beam, and the longitudinal beam is hung at the two ends of the cross beam through the lifting lugs;

at least one pair of middle lifting hooks symmetrically arranged about the center of the longitudinal beam and one pair of edge lifting hooks symmetrically arranged about the center of the longitudinal beam are arranged at the bottom of the longitudinal beam along the longitudinal direction of the longitudinal beam.

Furthermore, the middle lifting hook is of a single-hook structure, and the hook part of the middle lifting hook faces the middle part of the longitudinal beam along the longitudinal direction of the longitudinal beam;

the side lifting hook is of a double-hook structure, one hook portion faces the middle of the longitudinal beam along the longitudinal direction of the longitudinal beam, and the other hook portion faces the end portion of the longitudinal beam along the longitudinal direction of the longitudinal beam.

Furthermore, the lifting lugs on the longitudinal beams are detachably connected with the cross beams.

Furthermore, a through square lifting hole is formed in the lifting lug, and the square lifting hole is matched with the cross section of the cross beam; the cross beam is inserted into the square hanging hole in a penetrating mode.

Furthermore, a limiting structure for limiting the relative position of the square lifting hole and the cross beam is arranged between the square lifting hole and the cross beam.

Furthermore, the limiting structures are stop blocks arranged on two sides of the lifting lug along the longitudinal direction of the cross beam.

The utility model has the advantages that: the utility model discloses a hoist is used in modularization hoist and mount adopts crossbeam and two longerons to make up into one set of multistage compensating beam system, directly is connected with the crossbeam through the lug for vertical interval between longeron and the crossbeam is enough little, thereby can avoid dwindling effective lifting height. And, the lug is connected longeron and crossbeam, and the structure between longeron and the crossbeam is simpler, and it is more convenient to use.

The setting of middle part lifting hook and limit portion lifting hook to yielding circular, square component can guarantee to drop into 4 hoisting points along the unified cross-section of module and lift by crane, makes module or component not fragile or warp at the hoist and mount in-process.

And through the setting of longeron and the setting of middle part lifting hook and limit portion lifting hook, its hoist and mount that can adapt to different modules, the commonality is good.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of a stringer.

In the figure, a cross beam 1, a longitudinal beam 2, a middle lifting hook 3, an edge lifting hook 4, a lifting lug 5, a square lifting hole 5A and a stop block 6.

Detailed Description

The invention is further described below with reference to the following figures and examples:

the modular lifting sling, as shown in fig. 1 and 2, comprises a cross beam 1 and two longitudinal beams 2; the method is characterized in that: the two longitudinal beams 2 are symmetrically arranged about the center of the cross beam 1;

a lifting lug 5 is arranged at the top of the middle part of the longitudinal beam 2 along the longitudinal direction, and the longitudinal beam 2 is hung at the two ends of the cross beam 1 through the lifting lugs 5;

at least one pair of middle lifting hooks 3 arranged symmetrically to the center of the longitudinal beam 2 and at least one pair of edge lifting hooks 4 arranged symmetrically to the center of the longitudinal beam 2 are arranged at the bottom of the longitudinal beam 2 along the longitudinal direction of the longitudinal beam 2.

The utility model discloses a hoist is used in modularization hoist and mount adopts crossbeam 1 and two longerons 2 to make up into one set of multistage compensating beam system, and its crossbeam 1 is big ton level word compensating beam, and two longerons 2 are little ton level word compensating beam. The lifting lug 5 may be welded to the top of the side member 2, or may be connected to the side member 2 by a high-strength bolt or the like. The lifting lugs 5 are directly connected with the cross beam 1, so that the vertical distance between the longitudinal beam 2 and the cross beam 1 is small enough, and the reduction of the effective lifting height can be avoided. And, the lug 5 is connected longeron 2 and crossbeam 1, and the structure between longeron 2 and the crossbeam 1 is simpler, and it is more convenient to use.

The setting of middle part lifting hook 3 and limit portion lifting hook 1 can adopt middle part lifting hook 3 and limit portion lifting hook 1 to come into operation simultaneously to yielding circular, square component, can guarantee along the unified cross-section of module on, at least 4 hoist and mount points lift by crane, make module or component not fragile or warp at the hoist and mount in-process.

Middle part lifting hook 3 and limit portion lifting hook 4 can all adopt the single hook structure, but, if adopt the single hook structure, hoist and mount point quantity is 4 at most, is unfavorable for satisfying the bigger and hoist and mount requirement of changing the module or the component that warp of cross-sectional dimension. Middle part lifting hook 3 and limit portion lifting hook 4 can all adopt the double hook structure, however, adopt the double hook structure entirely, not only increase cost, and have the risk of interfering between the lifting hook. Most preferably, as shown in fig. 3, the middle hook 3 is of a single-hook structure, and the hook part of the middle hook faces to the middle of the longitudinal beam 2 along the longitudinal beam 2; the side hook 4 has a double hook structure, wherein one hook part faces the middle part of the longitudinal beam 2 along the longitudinal direction of the longitudinal beam 2, and the other hook part faces the end part of the longitudinal beam 2 along the longitudinal direction of the longitudinal beam 2.

During hoisting, four hoisting points consisting of a middle hoisting hook 3 and an edge hoisting hook 4 facing the hook part in the middle of the longitudinal beam 2 can be adopted for hoisting; the hoisting can also be carried out by adopting four hoisting points consisting of a middle hoisting hook 3 and an edge hoisting hook 4 facing the hook part at the end part of the longitudinal beam 2; and six hanging points consisting of double hooks of the middle hanging hook 3 and the edge hanging hook 4 can be adopted for hanging, and the like. The corresponding hanging form can be selected according to the section size of the module to be hung, the module hanging device is suitable for modules with different widths, and is high in adaptability and better in universality. Moreover, the middle lifting hook 3 and the edge lifting hook 4 are adopted, and hoisting ropes such as steel wire ropes are convenient to hang and take, so that the operation efficiency is improved.

Lug 5 and crossbeam 1 can welded connection, the utility model discloses in, preferred, lug 5 on the longeron 2 can be dismantled with crossbeam 1 and be connected. So set up for longeron 2 that has lug 5 can separately use with crossbeam 1, if adopt crossbeam 1 alone to hoist, with can adopt longeron 2 and lug 5 alone to constitute the compensating beam and hoist.

The lifting lugs 5 and the cross beam 1 can be connected by hinges, in the utility model, for the convenience of disassembly and assembly, the lifting lugs 5 are provided with through square lifting holes 5A, and the square lifting holes 5A are matched with the cross section of the cross beam 1; the cross beam 1 is inserted into the square lifting hole 5A.

And a limiting structure for limiting the relative position of the square lifting hole 5A and the cross beam 1 is arranged between the square lifting hole 5A and the cross beam 1.

In order to ensure that the position of the longitudinal beam 2 on the cross beam 1 does not change in the hoisting process so as to ensure the safety and reliability of hoisting, a limiting structure for limiting the position of the square hoisting hole 5A on the cross beam 1 along the longitudinal direction of the cross beam 1 is arranged between the square hoisting hole 5A and the cross beam 1.

Limit structure can be stop screw, spacer pin etc. and peg graft in the spacing hole that lug 5 and crossbeam 1 go up corresponding through stop screw etc. and realize the location of the two, the utility model discloses in, limit structure is for vertically the dog 6 that sets up in lug 5 both sides along crossbeam 1, dog 6 is installed in crossbeam 1.

The stop block 6 needs to be capable of stopping the lifting lug 5 from moving along the beam 1 in the hoisting process, and the lifting lug 5 can be detached from the beam 1 in addition to meeting the hoisting process. Then, the stop 6 can be detachably connected to the beam 1, and when the lifting lug 5 needs to be detached, the stop 6 is detached first, and then the lifting lug 5 is detached. The stop block 6 can also be welded and connected to the cross beam 1, namely, the stop block 6 protrudes out of the top end of the cross beam 1 along the vertical direction, the size of the square lifting hole 5A on the lifting lug 5 meets the requirement that the stop block 6 and the cross beam 1 simultaneously pass through, in the lifting process, under the action of gravity, the lifting lug 5 is hung on the cross beam 1, the top surface of the lifting lug 5 in the direction of the lifting lug 5 is pressed on the top surface of the cross beam 1, the stop block 6 is opposite to the side wall of the lifting lug 5, and the stopping effect is achieved on the lifting lug 5.

In order to adjust the position of the longitudinal beam 2 on the cross beam 1 according to the length of the module, the lifting of modules with different lengths is adapted. The beam 1 comprises a left half section and a right half section along the longitudinal direction of the beam 1 by taking the center of the beam 1 as a boundary; a plurality of stop blocks 6 are uniformly distributed on the left half section, and the distance between every two adjacent stop blocks 6 on the left half section is matched with the lifting lug 5; a plurality of stop blocks 6 are uniformly distributed on the right half section, and the distance between every two adjacent stop blocks 6 on the right half section is matched with the lifting lug 5; and the stop block 6 on the left half section and the stop block 6 on the right half section are symmetrical about the center of the beam 1. The stop 6 on the left half segment can be three, four, etc. Usually, three stoppers 6 are arranged on the left half section to realize two-gear adjustment.

The hoist for modularization hoist that this embodiment discloses through the setting of several dog 6 on the crossbeam 1, can adjust according to waiting to hoist module length, through 2 below symmetrical arrangement's of longeron a set of middle part lifting hooks 3 and a set of limit portion lifting hooks 4, can adapt to different module widths to make this hoist for modularization hoist can be suitable for the module of different width and length, adaptability is good.

Claims (7)

1. The modular lifting tool comprises a cross beam (1) and two longitudinal beams (2); the method is characterized in that: the two longitudinal beams (2) are symmetrically arranged around the center of the cross beam (1);

lifting lugs (5) are arranged at the top of the middle part of the longitudinal beam (2) along the longitudinal direction, and the longitudinal beam (2) is hung at the two ends of the cross beam (1) through the lifting lugs (5);

at least one pair of middle lifting hooks (3) which are arranged in a central symmetry mode relative to the longitudinal beam (2) and at least one pair of side lifting hooks (4) which are arranged in a central symmetry mode relative to the longitudinal beam (2) are arranged at the bottom of the longitudinal beam (2) along the longitudinal direction of the longitudinal beam (2).

2. The modular lifting sling according to claim 1, wherein: the middle lifting hook (3) is of a single-hook structure, and the hook part of the middle lifting hook faces the middle part of the longitudinal beam (2) along the longitudinal beam (2);

the side lifting hook (4) is of a double-hook structure, one hook part faces the middle of the longitudinal beam (2) along the longitudinal beam (2), and the other hook part faces the end part of the longitudinal beam (2) along the longitudinal beam (2) in the longitudinal direction.

3. A modular lifting sling according to claim 1 or 2, characterised in that: the lifting lugs (5) on the longitudinal beams (2) are detachably connected with the cross beam (1).

4. The modular lifting sling according to claim 3, wherein: a through square lifting hole (5A) is formed in the lifting lug (5), and the square lifting hole (5A) is matched with the cross section of the cross beam (1); the cross beam (1) is inserted into the square lifting hole (5A).

5. The modular lifting sling according to claim 4, wherein: a limiting structure for limiting the position of the square lifting hole (5A) on the cross beam (1) along the longitudinal direction of the cross beam (1) is arranged between the square lifting hole (5A) and the cross beam (1).

6. The modular lifting sling according to claim 5, wherein: the limiting structure is a stop dog (6) longitudinally arranged on two sides of the lifting lug (5) along the cross beam (1), and the stop dog (6) is installed on the cross beam (1).

7. The modular lifting sling according to claim 6, wherein: the beam (1) comprises a left half section and a right half section along the longitudinal direction of the beam (1) and by taking the center of the beam (1) as a boundary; a plurality of check blocks (6) are uniformly distributed on the left half section, and the distance between every two adjacent check blocks (6) on the left half section is matched with the lifting lug (5); a plurality of check blocks (6) are uniformly distributed on the right half section, and the distance between every two adjacent check blocks (6) on the right half section is matched with the lifting lugs (5); and the stop block (6) on the left half section and the stop block (6) on the right half section are in central symmetry with respect to the cross beam (1).

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