CN221093442U

CN221093442U - Special lifting device

Info

Publication number: CN221093442U
Application number: CN202323153753.XU
Authority: CN
Inventors: 高磊; 吴昊; 宋晓宇; 高伟; 何瑞; 何侨
Original assignee: Third Engineering Co Ltd of Highway Engineering Bureau of CCCC
Current assignee: Third Engineering Co Ltd of Highway Engineering Bureau of CCCC
Filing date: 2023-11-22
Publication date: 2024-06-07
Anticipated expiration: 2033-11-22

Abstract

The utility model provides a special hoisting tool which is used for hoisting a workpiece with a plurality of T-shaped rib structures arranged at the top in an array manner, and comprises a pull rope and movable lifting claws connected at two ends of the pull rope; the movable hanging claw comprises an outer hanging plate and an inner hanging plate which are hinged through a middle rotating shaft, the upper end of the outer hanging plate is connected with a pull rope, the lower end of the outer hanging plate is provided with a first hanging part which is arranged inwards, the lower end of the inner hanging plate is provided with a second hanging part which is arranged outwards, and the distance from the first hanging part to the middle rotating shaft is larger than the distance from the second hanging part to the middle rotating shaft; during hoisting, the two movable hanging claws are symmetrically hung on different T-shaped rib structures at the top of the workpiece, the first hanging part is in hanging fit with the outer side of the T-shaped rib structure in a protruding mode, and the second hanging part is in hanging fit with the inner side of the T-shaped rib structure in a protruding mode. The special hoisting tool is convenient to pick and hang, is firmly connected in hoisting, and can protect the steel structure beam from being damaged in the hoisting process.

Description

Special lifting device

Technical Field

The utility model relates to the technical field of lifting tools, and particularly provides a lifting tool special for lifting a workpiece with a plurality of T-shaped rib structures arranged on the top of the lifting tool in an array manner.

Background

In the production, manufacturing and construction site installation processes of a processing plant, workpieces with T-shaped rib structures are arranged on the top array, such as cross beams with the T-shaped rib structures are arranged on the top array, and two lifting devices, namely a steel plate lifting clamp and a lifting belt, are mainly used for lifting.

However, both of these spreaders suffer from some drawbacks, mainly: when the steel plate clamp is used, during the hoisting process, when the clamping force is too large, the steel plate is easy to damage due to the fact that the clamping mark is left on the surface of the clamp and the follow-up use is affected, when the clamping force is too small, the generated friction force is insufficient, the phenomenon of slipping and disengaging is easy to occur, and the steel plate clamp is unsafe. The hanging belt is used, so that on-site workers are required to carry out operations such as hanging the hanging belt and hanging the hanging belt, the procedures are complicated, the operation is inconvenient, and the safe use is seriously affected by the abrasion of the hanging belt caused by long-term use.

In summary, there is currently no dedicated lifting tool for work pieces with a top array of T-rib structures.

Disclosure of utility model

Based on the above, the utility model aims to provide a special hoisting tool so as to achieve the purposes of convenient unhooking operation, firm hoisting connection and protection of the steel structure beam from damage in the hoisting process.

In order to achieve the purpose, the utility model provides a special hoisting tool which is used for hoisting a workpiece with a plurality of T-shaped rib structures arranged at the top in an array manner, and comprises a pull rope and movable hoisting claws connected at two ends of the pull rope; the movable hanging claw comprises an outer hanging plate and an inner hanging plate which are hinged through a middle rotating shaft, the upper end of the outer hanging plate is connected with a pull rope, the lower end of the outer hanging plate is provided with a first hanging part which is arranged inwards, the lower end of the inner hanging plate is provided with a second hanging part which is arranged outwards, and the distance from the first hanging part to the middle rotating shaft is larger than the distance from the second hanging part to the middle rotating shaft; during hoisting, the two movable hanging claws are symmetrically hung on different T-shaped rib structures at the top of the workpiece, the first hanging part is in hanging fit with the outer side of the T-shaped rib structure in a protruding mode, and the second hanging part is in hanging fit with the inner side of the T-shaped rib structure in a protruding mode.

Optionally, the first hanging part is a first column body which is arranged at the lower end of the outer hanging plate and extends along the transverse direction, and the second hanging part is a second column body which is arranged at the lower end of the inner hanging plate and extends along the transverse direction.

Optionally, the lower end of the outer lifting plate comprises two first plate bodies arranged at intervals, and the first column body is connected between the two first plate bodies; the lower end of the inner lifting plate comprises two second plate bodies which are arranged at intervals, and the second cylinder is connected between the two second plate bodies.

Optionally, the distance between the two first plates/the distance between the two second plates is adapted to the thickness of the T-shaped rib structure.

Optionally, the first cylinder is provided with a first roller member which is free to rotate, and the second cylinder is provided with a second roller member which is free to rotate.

Optionally, the lower end of the outer/inner hanging plate is a solid structure with a thickness greater than that of the T-shaped rib structure.

Optionally, the intermediate shaft is provided with an elastic component for applying a force to the inner lifting plate so that the lower end of the inner lifting plate has a tendency to move outwards.

Optionally, the elastic component is the torsional spring of setting in the middle pivot, the torsional spring is inwards hung the board and is exerted effort so that the lower extreme of interior hanging the board has the trend of outwards removing.

Optionally, the stay cord is fixed length rope spare, at least one of them movable hanging claw position adjustable connect on the stay cord.

Optionally, the two movable claws are fixedly connected to two ends of the pull rope, and the length of the pull rope is adjustable.

When the special hoisting tool is used, the movable hoisting claws connected with the pull ropes are symmetrically arranged on different T-shaped rib structures at the upper end of the workpiece, in the process of hoisting preparation, the first hanging parts of the outer hoisting plates of the movable hoisting claws are hung on the outer bulges of the T-shaped rib structures, the second hanging parts of the inner hoisting plates are hung on the inner bulges of the T-shaped rib structures, and the hoisting tool is convenient to pick and hang; in the hoisting process, the first hanging part and the second hanging part of the movable hanging claw are firmly hung on the two sides of the T-shaped rib structure through the oblique pulling force of the pull rope, the hoisting connection is firm, and the steel structure beam is protected from being damaged in the hoisting process.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and detailed description. The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings provided:

FIG. 1 is a schematic structural view of an embodiment of a provided special lifting tool;

FIG. 2 is a schematic view of an embodiment of a moveable lifting claw;

FIG. 3 is a schematic structural view of an embodiment of an outer hanger plate;

FIG. 4 is a schematic structural view of an embodiment of an inner hanger plate;

FIG. 5 is a schematic view of another embodiment of a movable claw;

fig. 6 is a schematic view showing a state of hoisting a plate using the provided special hoisting tool;

FIG. 7 is a schematic view of the movable hanger of FIG. 6 with portions removed and a T-rib structure engaged.

The attached drawings are used for identifying and describing:

1-pulling ropes;

2-movable hanging claws, 21-outer hanging plates, 22-inner hanging plates, 23-middle rotating shafts, 24-first columns, 25-second columns, 26-first plates, 27-second plates and 28-elastic parts;

3-workpiece, 31-T type structure.

Detailed Description

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

As shown in fig. 1 and 2, a special hoisting tool is used for hoisting a workpiece with a plurality of T-shaped rib structures arranged at the top in an array manner, and comprises a pull rope 1 and movable lifting claws 2 connected at two ends of the pull rope 1; the movable hanging claw 2 comprises an outer hanging plate 21 and an inner hanging plate 22 which are hinged through an intermediate rotating shaft 23, the upper end of the outer hanging plate 21 is connected with the pull rope 1, the lower end of the outer hanging plate is provided with a first hanging part which is arranged inwards, the lower end of the inner hanging plate 22 is provided with a second hanging part which is arranged outwards, and the distance from the first hanging part to the intermediate rotating shaft 23 is larger than the distance from the second hanging part to the intermediate rotating shaft 23. In some preferred embodiments, the first hooking portion is a first column 24 extending in a lateral direction and provided at a lower end of the outer hanger plate 21, and the second hooking portion is a second column 25 extending in a lateral direction and provided at a lower end of the inner hanger plate 22.

During hoisting, the two movable hanging claws 2 are symmetrically hung on different T-shaped rib structures at the top of the workpiece, the first hanging part is in hanging fit with the outer side of the T-shaped rib structure in a protruding mode, and the second hanging part is in hanging fit with the inner side of the T-shaped rib structure in a protruding mode.

Based on the embodiment, the first hanging part of the outer hanging plate of each movable hanging claw is hung on the outer bulge of the T-shaped rib structure, and the second hanging part of the inner hanging plate is hung on the inner bulge of the T-shaped rib structure, so that the hanging operation is convenient; and in the hoisting process, the first hanging part and the second hanging part of the movable hanging claw are firmly hung on the two sides of the T-shaped rib structure by the oblique pulling force of the pulling rope, so that the connection is firm, the steel structure beam is protected from being damaged in the hoisting process, and the movable hanging claw is suitable for occasions with frequent hanging and unhooking operations.

In the concrete implementation process, the outer hanging plate and the inner hanging plate are composed of two steel plates, and are made of high-strength alloy steel, so that the steel plate has the advantages of being high in strength, good in wear resistance, low in price and the like, and the steel plate is fastened and connected with the cross beam through the high-strength bolts, so that the stability of hoisting is guaranteed.

As shown in fig. 3 and 4, in some preferred embodiments, the lower end of the outer hanging plate 21 includes two first plates 26 arranged at intervals, and the first column 24 is connected between the two first plates 26; the lower end of the inner lifting plate 22 comprises two second plate bodies 27 which are arranged at intervals, and the second column 25 is connected between the two second plate bodies 27. The distance between the two first plates 26/the distance between the two second plates 27 are adapted to the thickness of the T-shaped rib structure, so that the stability of the movable hanging claw in the T-shaped rib structure of the workpiece can be maintained.

Preferably, the first cylinder 24 is fitted with a first roller member that is free to rotate, and the second cylinder 25 is fitted with a second roller member that is free to rotate. The T-shaped rib structure can be more flexibly adapted, the problem of extra strength in the hoisting process is prevented, and the damage to the T-shaped rib structure of the workpiece in the hoisting process is avoided.

In other preferred embodiments, the lower ends of the outer hanging plate 21 and the inner hanging plate 22 are solid structures with thickness larger than that of the T-shaped rib structures, the first hanging part and the second hanging part are arc structures with the same external diameters as the first column body and the second column body, the structures are simpler, and the structures can be manufactured by casting, machining, cutting and the like, so that the manufacturing is simpler and the cost is lower.

In some preferred embodiments, as shown in fig. 5, the intermediate shaft 23 is provided with an elastic member 28, and the elastic member 28 is used to apply a force to the inner hanger plate 22 so that the lower end of the inner hanger plate 22 has a tendency to move outward. In a preferred embodiment, the elastic member 28 is a torsion spring provided at the intermediate rotation shaft 23, which applies a force to the inner hanger plate 22 such that the lower end of the inner hanger plate 22 has a tendency to move outward.

In the specific implementation process, the inner lifting plate is used for adapting to T-shaped rib structures with different sizes by adjusting the angle of the transmission pin; the movable hanging claws are hung on the bulges at the two sides of the T-shaped rib structure, the pull ropes are not pulled upwards to generate a pulling force, and under the action of the elastic component, the first hanging parts are kept to be elastically pressed with the bulges at one side of the T-shaped rib structure, the second hanging parts are kept to be elastically pressed with the bulges at the other side of the T-shaped rib structure, so that the outer hanging plate and the inner hanging plate are prevented from sliding off from the two sides of the T-shaped rib structure, and the convenience and the safety of field operation are improved.

As shown in fig. 1, two movable hanging claws 2 are respectively connected at two ends of a pull rope 1, so that the length of the pull rope between the two movable hanging claws can be conveniently adjusted, the pull rope 1 can be set to be a rope piece with fixed length, one of the movable hanging claws 2 is connected to the pull rope 1 in an adjustable position, or the two movable hanging claws 2 are connected to the pull rope in an adjustable position, or the two movable hanging claws are fixedly connected at two ends of the pull rope 1, and the length of the pull rope 1 is adjustable. In the process of adjusting the movable lifting claw to hoist, the extension direction of the pull rope is consistent with that of the outer lifting plate, so that the lifting stability is improved.

As shown in fig. 6 and 7, the working principle of the special hoisting tool provided based on the above embodiments is as follows:

Hoisting preparation: the square of the workpiece is on the ground, the two movable hanging claws 2 are symmetrically hung on different T-shaped rib structures at the top of the workpiece, the first column 24 of the outer hanging plate 21 of each movable hanging claw 2 is hung on the outer bulge of the T-shaped rib structure 31, the second column 25 of the inner hanging plate is hung on the inner bulge of the T-shaped rib structure, and the first column 24 and the second column 25 are elastically pressed on the bulges at the two sides of the T-shaped rib structure 31 through the action of the elastic component 28, so that slipping is avoided;

During hoisting, lifting force is applied to the middle of the pull rope 1 through hoisting machinery such as a crane and a crane hook, the length direction of the pull rope 1 is consistent with that of the outer hoisting plates 21 at two ends, the pull rope 1 enables the first column 24 to be stably matched with the outer protrusions of the T-shaped rib structures 31, meanwhile, the workpiece is enabled to be stably hung on the inner protrusions of the T-shaped rib structures 31 due to the falling trend of the workpiece under the action of gravity, so that the movable lifting claw 2 is stably and tightly matched with the T-shaped rib structures 31, the falling problem is avoided, the safety of the hoisting process is improved, the first column 24 and the second column 25 are only contacted with the T-shaped rib structures, do not need to be contacted with the workpiece plates, the workpiece is protected, and the workpiece is prevented from being damaged due to stress in the hoisting process;

After the hoisting reaches the destination, the pull rope 1 is loosened, the movable lifting claw is manually opened against the elastic force of the elastic component, the first column body 24 and the second column body 25 are respectively separated from the bulges at the two sides of the T-shaped rib structure, and the whole hoisting process is convenient to operate, safe and reliable and suitable for on-site use.

The present utility model is not limited to the above embodiments, and any person can obtain other products in various forms under the teaching of the present utility model, however, any changes in shape or structure of the products are included in the scope of protection of the present utility model, and all the products having the same or similar technical solutions to the present utility model are included in the present utility model.

Claims

1. A special lifting device for hoist and mount top array arranges work piece of a plurality of T shape rib structures, its characterized in that:

Comprises a pull rope (1) and movable hanging claws (2) connected with two ends of the pull rope (1);

The movable hanging claw (2) comprises an outer hanging plate (21) and an inner hanging plate (22) which are hinged through an intermediate rotating shaft (23), the upper end of the outer hanging plate (21) is connected with a pull rope (1), the lower end of the outer hanging plate is provided with a first hanging part which is arranged inwards, the lower end of the inner hanging plate (22) is provided with a second hanging part which is arranged outwards, and the distance from the first hanging part to the intermediate rotating shaft (23) is larger than the distance from the second hanging part to the intermediate rotating shaft (23);

During hoisting, the two movable hanging claws (2) are symmetrically hung on different T-shaped rib structures at the top of the workpiece, the first hanging part is in hanging fit with the outer side of the T-shaped rib structure in a protruding mode, and the second hanging part is in hanging fit with the inner side of the T-shaped rib structure in a protruding mode.

2. The special lifting tool according to claim 1, wherein: the first hanging part is a first column body (24) which is arranged at the lower end of the outer hanging plate (21) and extends transversely, and the second hanging part is a second column body (25) which is arranged at the lower end of the inner hanging plate (22) and extends transversely.

3. The special lifting tool according to claim 1 or 2, characterized in that: the lower end of the outer hanging plate (21) comprises two first plate bodies (26) which are arranged at intervals, and the first column body (24) is connected between the two first plate bodies (26); the lower end of the inner hanging plate (22) comprises two second plate bodies (27) which are arranged at intervals, and the second column (25) is connected between the two second plate bodies (27).

4. A special lifting tool according to claim 3, characterized in that: the distance between the two first plates (26) and the distance between the two second plates (27) are adapted to the thickness of the T-shaped rib structure.

5. The special lifting tool according to claim 2, wherein: the first cylinder (24) is provided with a first rotary free roller member, and the second cylinder (25) is provided with a second rotary free roller member.

6. The special lifting tool according to claim 1, wherein: the lower end of the outer lifting plate (21)/the inner lifting plate (22) is of a solid structure with the thickness larger than that of the T-shaped rib structure.

7. The special lifting tool according to claim 1 or 2 or 6, wherein: the intermediate rotating shaft (23) is provided with an elastic part (28), and the elastic part (28) is used for applying a force to the inner lifting plate (22) so that the lower end of the inner lifting plate (22) has a tendency to move outwards.

8. The special lifting tool according to claim 7, wherein: the elastic component (28) is a torsion spring arranged on the middle rotating shaft (23), and the torsion spring applies a force to the inner lifting plate (22) so that the lower end of the inner lifting plate (22) has a trend of moving outwards.

9. The special lifting tool according to claim 1, wherein: the stay cord (1) is a rope piece with fixed length, and at least one movable hanging claw (2) is connected to the stay cord (1) in an adjustable position.

10. The special lifting tool according to claim 1, wherein: the two movable claws are fixedly connected to two ends of the pull rope (1), and the length of the pull rope (1) is adjustable.