CN220766256U - Folding lifting appliance - Google Patents

Abstract

The utility model relates to the technical field of hoisting equipment, and aims to solve the problems that a traditional frame type precast slab lifting appliance is large in size, incapable of being folded and inconvenient to transport, and provides a folding lifting appliance which comprises a hinge joint, wherein the hinge joint is connected with a lifting column, one end of the lifting column is connected with a lifting hook of a tower crane, a plurality of lifting arms are connected around the hinge joint, the lifting arms can rotate towards the lifting column to realize folding, and a sling is arranged on the lifting arms; the folding lifting appliance disclosed by the utility model can be folded, is small in volume, convenient to transport and low in storage and transportation cost; simple structure, the steel quantity is few, and the light in weight of hoist is favorable to reducing constructor operation intensity, reduces the windage, promotes aerial work factor of safety.

Description

Folding lifting appliance

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a folding lifting appliance.

Background

Traditional prefabricated plate hoist is frame construction, adopts the rectangle frame similar with prefabricated plate shape often, and rectangle frame's bottom is provided with many slings, and the hoist cable is used for being connected with the prefabricated plate, and many cable connections are passed through on the lifting hook of tower crane to rectangle frame's top to realize lifting up the prefabricated plate.

The rectangular frame generally adopts a steel structure with larger strength and comprises rectangular outer frames, and a plurality of tie bars which are arranged in a crossing manner are arranged between the rectangular outer frames for ensuring the structural strength.

Therefore, the conventional frame-type prefabricated panel hanger has the following disadvantages:

1. the lifting appliance has large volume, cannot be folded and is inconvenient to transport;

2. directly arranging a lifting hole on a plate of the rectangular frame, installing a sling, wherein the plate is thin, the lifting hole is not specially treated, and potential safety hazards are caused;

3. the lifting appliance has the advantages of large weight, large operation difficulty for constructors, large wind resistance coefficient and large influence from natural environment.

Disclosure of Invention

The utility model aims to provide a folding lifting appliance, which solves the problems that the traditional frame type precast slab lifting appliance is large in size, incapable of being folded and inconvenient to transport.

The utility model is realized by adopting the following technical scheme:

the utility model provides a folding lifting appliance which comprises a hinge joint, wherein the hinge joint is connected with a lifting column, one end of the lifting column is connected with a lifting hook of a tower crane, a plurality of lifting arms are connected around the hinge joint, the lifting arms can rotate towards the lifting column to realize folding, and a sling is arranged on the lifting arms.

As a preferable technical scheme:

the hinged joint is X-shaped, four end points of the hinged joint are hinged with one suspension arm respectively, and four suspension arms form an X-shaped structure.

As a preferable technical scheme:

one end of the lifting column penetrates through the center of the hinge joint, part of the lifting column extends out of the bottom of the hinge joint, and the lifting column is fixedly connected with the hinge joint.

As a preferable technical scheme:

the lifting device is characterized in that working lifting rings and folding lifting rings are respectively arranged at two ends of the lifting column, the working lifting rings are located above the hinge joint, and the folding lifting rings are located below the hinge joint.

As a preferable technical scheme:

the lifting column is sleeved with a sliding block, the sliding block is positioned above the hinge joint, and the sliding block can slide on the lifting column; the lifting column is also provided with a limiting protrusion, the limiting protrusion is positioned below the sliding block, and the limiting protrusion is used for limiting the sliding block;

the sliding block is connected with the suspension arm through a lacing wire.

As a preferable technical scheme:

the sliding block is provided with a plurality of first hinging seats, each suspension arm is provided with a second hinging seat, and two ends of the lacing wire are respectively hinged with the first hinging seats and the second hinging seats.

As a preferable technical scheme:

the number of the first hinging seats is the same as that of the suspension arms, and the second hinging seats are arranged in the middle of the top side of the suspension arms.

As a preferable technical scheme:

the lifting arm is connected with a lifting member, a lifting hole is formed in the lifting member, and the sling is connected to the lifting hole.

As a preferable technical scheme:

and a steel ring lining is arranged in the lifting hole.

As a preferable technical scheme:

the end part and the middle part of each suspension arm are respectively provided with one suspension cable, and the suspension cable is positioned at the lower side of the suspension arm.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the folding lifting appliance disclosed by the utility model can be folded, is small in volume, convenient to transport and low in storage and transportation cost;

2. the structure is simple, the steel consumption is small, the weight of the lifting appliance is light, the working intensity of constructors is reduced, the wind resistance is reduced, and the safety coefficient of high-altitude operation is improved;

3. the lifting member is additionally arranged, so that the influence of direct perforation on the suspension arm on the strength of the suspension arm is avoided, and the construction safety is ensured.

4. The folding lifting appliance disclosed by the utility model not only can be used for lifting precast slabs, but also can be used for lifting other components, and is wide in application range.

Drawings

Fig. 1 is a schematic structural view of a folding sling according to the present utility model.

Fig. 2 is a front view of the folding sling according to the present utility model.

Fig. 3 is a left side view of the folding sling according to the present utility model.

Fig. 4 is a top view of the folding sling according to the present utility model.

Icon: the lifting device comprises a 1-hinge joint, a 2-lifting arm, a 3-lifting column, a 4-working lifting ring, a 5-folding lifting ring, a 6-sliding block, a 7-limiting protrusion, an 8-first hinge seat, a 9-second hinge seat, a 10-lacing wire, an 11-lifting rope and a 12-lifting component.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 4, this embodiment proposes a folding sling, including a hinge 1, where the hinge 1 is of an X type, four end points of the hinge 1 are respectively hinged to one boom 2, and four booms 2 form an X type structure, in this embodiment, the boom 2 is made of i-steel, the boom 2 is hinged to the hinge 1, the boom 2 can rotate about a corresponding hinge point by 0 ° -90 °, when the boom 2 is in an unfolded state, one end of the boom 2 abuts against the hinge 1, limiting the reverse rotation of the boom 2, when the boom 2 is 0 ° -90 °, the boom 2 rotates forward, and when the boom 2 is 90 °.

The lifting appliance further comprises a lifting column 3, one end of the lifting column 3 penetrates through the center of the hinge head 1, part of the lifting column extends out of the bottom of the hinge head 1, and the lifting column 3 is fixedly connected with the hinge head 1. In this embodiment, the lifting column 3 is made of round steel.

The two ends of the lifting column 3 are respectively provided with a working lifting ring 4 and a folding lifting ring 5, the working lifting ring 4 is located above the hinge joint 1, and the folding lifting ring 5 is located below the hinge joint 1. The working hanging ring 4 is used for being connected with a lifting hook of the tower crane, and when the lifting device is lifted, the working hanging ring 4 is hung on the lifting hook of the tower crane. The folding hanging ring 5 is used for folding the hanging tool after the precast slab is hung, and then the hanging tool is hung on the transport vehicle.

The lifting column 3 is sleeved with a sliding block 6, the sliding block 6 is located above the hinge joint 1, and the sliding block 6 can slide along the length direction of the lifting column 3 on the lifting column 3. The lifting column 3 is further provided with a limiting protrusion 7, the limiting protrusion 7 is located below the sliding block 6, and the limiting protrusion 7 is used for limiting the sliding block 6.

Four first hinging seats 8 are arranged on the sliding block 6, a second hinging seat 9 is arranged in the middle of the top side of each suspension arm 2, the first hinging seats 8 are connected with the second hinging seats 9 through lacing wires 10, and two ends of the lacing wires 10 are hinged with the first hinging seats 8 and the second hinging seats 9 respectively. The lacing wire 10 is used for uniformly stressing the suspension arm 2, increasing the stability of the lifting appliance and improving the integral lifting strength of the lifting appliance. In this embodiment, the tie bar 10 is made of square steel.

Each suspension arm 2 is provided with a suspension cable 11, and the suspension cable 11 is used for being connected with a precast slab. In this embodiment, each of the boom 2 is provided with a sling 11 at its end and middle, the sling 11 being attached to the underside of the boom 2.

The lifting arm 2 is fixedly connected with a lifting member 12, a lifting hole is formed in the lifting member 12, and the sling 11 is connected to the lifting hole. According to the utility model, the hoisting member 12 is independently added, so that the influence of direct perforation on the suspension arm 2 on the strength of the suspension arm 2 is avoided, and the construction safety is ensured.

The steel ring lining is arranged in the lifting hole, and is good in wear resistance and easy to replace after being damaged.

Under the operating condition, work rings 4 hang on the lifting hook of tower crane, hoist and mount post 3 is vertical setting, slider 6 limit is located on the spacing arch 7 on the hoist and mount post 3, four lacing wire 10 pulls the middle part of davit 2, davit 2 is the level setting, each hoist cable 11 of davit 2 downside links to each other with the prefabricated plate, realizes the hoist and mount of prefabricated plate.

After the precast slab is lifted, the lifting appliance is put down, then the folding lifting ring 5 is hung on a lifting hook of a tower crane, the lifting arm 2 is rotated towards the lifting column 3, the sliding blocks 6 are slid towards the working lifting rings 4, the four lifting arms 2 are folded around the lifting column 3, the lifting appliance is folded, the volume of the lifting appliance is effectively reduced, and then the lifting appliance is lifted onto a transport vehicle.

The folding lifting appliance disclosed by the utility model can be folded, is small in size, convenient to transport, low in storage and transportation cost, simple in structure, small in steel consumption, light in weight, and beneficial to reducing the operation intensity of constructors, reducing wind resistance and improving the safety coefficient of overhead operation.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A folding sling, characterized in that:

including the articulated joint, the articulated joint is connected with the hoist and mount post, the one end of hoist and mount post is used for linking to each other with the lifting hook of tower crane, be connected with many davits around the articulated joint, the davit can be oriented the hoist and mount post is rotatory to realize folding, be provided with the hoist cable on the davit.

2. The folding sling according to claim 1, wherein:

the hinged joint is X-shaped, four end points of the hinged joint are hinged with one suspension arm respectively, and four suspension arms form an X-shaped structure.

3. The folding sling according to claim 1, wherein:

one end of the lifting column penetrates through the center of the hinge joint, part of the lifting column extends out of the bottom of the hinge joint, and the lifting column is fixedly connected with the hinge joint.

4. A folding sling according to claim 3, characterised in that:

the lifting device is characterized in that working lifting rings and folding lifting rings are respectively arranged at two ends of the lifting column, the working lifting rings are located above the hinge joint, and the folding lifting rings are located below the hinge joint.

5. The folding sling according to claim 1, wherein:

the lifting column is sleeved with a sliding block, the sliding block is positioned above the hinge joint, and the sliding block can slide on the lifting column; the lifting column is also provided with a limiting protrusion, the limiting protrusion is positioned below the sliding block, and the limiting protrusion is used for limiting the sliding block;

the sliding block is connected with the suspension arm through a lacing wire.

6. The folding sling according to claim 5, wherein:

the sliding block is provided with a plurality of first hinging seats, each suspension arm is provided with a second hinging seat, and two ends of the lacing wire are respectively hinged with the first hinging seats and the second hinging seats.

7. The folding sling according to claim 6, wherein:

the number of the first hinging seats is the same as that of the suspension arms, and the second hinging seats are arranged in the middle of the top side of the suspension arms.

8. The folding sling according to claim 1, wherein:

the lifting arm is connected with a lifting member, a lifting hole is formed in the lifting member, and the sling is connected to the lifting hole.

9. The folding sling according to claim 8, wherein:

and a steel ring lining is arranged in the lifting hole.

10. The folding sling according to any one of claims 1-9, wherein:

the end part and the middle part of each suspension arm are respectively provided with one suspension cable, and the suspension cable is positioned at the lower side of the suspension arm.