Auxiliary lifting appliance of portal crane

Abstract

The utility model provides an auxiliary lifting appliance of a portal crane. The auxiliary lifting appliance comprises a mounting seat, a plurality of lifting connecting pieces arranged on the upper side of the mounting seat and a plurality of lifting connecting pieces arranged on the periphery of the mounting seat, the lifting connecting piece comprises a lifting hook, a connecting ring is arranged at the upper end of the lifting hook and connected with a first connecting seat, a second connecting seat corresponding to the first connecting seat is arranged on the mounting seat, a telescopic assembly is arranged on the second connecting seat, and the telescopic end of the telescopic assembly is connected with the first connecting seat. The auxiliary lifting appliance of the portal crane has the advantages of being scientific in design and easy and convenient to operate, the position of each lifting hook can be adjusted according to needs, and the auxiliary lifting appliance is suitable for lifting various heavy objects with symmetrical or asymmetrical shapes.

Description

Technical Field

[0001] The utility model relates to a lifting accessory, specifically, to an auxiliary lifting device for a gantry crane. Background Art

[0002] A crane refers to a multi-action lifting machine that vertically lifts and horizontally transports heavy objects within a certain range. It is also called an overhead crane, a bridge crane, or a hoist. A crane mainly includes a frame, a hoisting mechanism, a lifting hook, etc. There are many types of lifting hooks on the market at present. For example, the lifting hooks disclosed in Chinese Patent CN220745122U and Chinese Patent CN213536979U. However, these lifting hooks are either symmetric clamping structures or simple hook structures. However, symmetric clamping structures are suitable for directly clamping some symmetric heavy objects, and the stability of simple hook lifting is relatively poor. In addition, if the heavy object itself is asymmetric, during the lifting process, the heavy object will deflect at a certain angle under its own weight to achieve balance and cannot maintain its original state.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Content of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary lifting device for a gantry crane in view of the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An auxiliary lifting device for a gantry crane includes a mounting seat, a plurality of lifting connectors arranged on the upper side of the mounting seat, and a plurality of hoisting connectors arranged around the mounting seat; the hoisting connector includes a hook, a connecting ring is arranged at the upper end of the hook, the connecting ring is connected with a first connecting seat, a second connecting seat is correspondingly arranged on the mounting seat for the first connecting seat, a telescopic assembly is arranged on the second connecting seat, and the telescopic end of the telescopic assembly is connected with the first connecting seat.

[0007] The telescopic assembly includes an adjusting drum, an adjusting pulley is arranged on the first connecting seat, and the adjusting drum and the adjusting pulley are connected by an adjusting steel wire rope.

[0008] The first connecting seat includes two relatively arranged first connecting plates, a connecting pin and an adjusting pulley are arranged between the two first connecting plates, the connecting pin passes through the connecting ring and the two ends of the connecting pin are connected with the two first connecting plates, and the adjusting pulley is rotatably connected with the first connecting plate.

[0009] The second connecting seat includes two relatively arranged second connecting plates, the adjusting drum includes a drum shaft, a drum housing and a driving mechanism for driving the drum shaft to rotate, the drum shaft is rotatably connected with the second connecting plate, the steel wire rope is wound on the drum shaft, and a rope outlet is arranged on one side outside the drum.

[0010] The mounting base includes a multi - prism. Second connection seats are respectively arranged on each side surface of the multi - prism. A frustum is arranged on the upper side of the multi - prism. The frustum is coaxial with the multi - prism, and the outer contour of the frustum is smaller than that of the multi - prism. Each lifting connecting piece is installed on the frustum.

[0011] There are two lifting connecting pieces, and the two lifting connecting pieces are symmetrical to each other. The lifting connecting piece includes a mounting groove fixedly connected to the frustum. The top surface of the mounting groove is open, and a hoisting pulley block is installed inside the mounting groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows. The present utility model provides an auxiliary lifting tool for a gantry crane, which has the advantages of scientific design and simple operation. The positions of each hook can be adjusted according to needs, and it is suitable for lifting various symmetric or asymmetric heavy objects. Specifically, during the use process, the positions of each hook can be adjusted through the telescopic assembly, and then the connection positions between the hooks and the heavy object can be adjusted, which is convenient for adapting to heavy objects with different outer shapes and fully ensures the stability of the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model.

[0014] Figure 2 is an enlarged structural diagram of the hook in the present utility model.

[0015] In the figure: 1. frustum; 2. mounting base; 3. first connection seat; 4. second connection seat; 5. mounting groove; 6. hoisting pulley block; 7. drum housing; 8. adjusting wire rope; 9. hook; 10. connecting ring; 11. first connecting plate; 12. adjusting pulley. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following further describes the technical solutions of the present utility model in detail through specific embodiments.

[0017] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. "Installation", "provided with", "connection", etc. can adopt conventional means in the prior art, such as: integral setting, snap - fit installation, welding connection, bonding connection, bolt connection, etc. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations, and suitable connection, setting or installation methods can be selected in the prior art.

[0018] As Figure 1-2 shown, an auxiliary lifting device for a gantry crane includes a mounting base 2, a plurality of hoisting connectors arranged on the upper side of the mounting base 2, and a plurality of lifting connectors arranged around the mounting base 2; the lifting connectors include hooks 9, a connecting ring 10 is arranged at the upper end of the hook 9, the connecting ring 10 is connected to a first connecting seat 3, a second connecting seat 4 is arranged on the mounting base 2 corresponding to the first connecting seat 3, a telescopic assembly is arranged on the second connecting seat 4, and the telescopic end of the telescopic assembly is connected to the first connecting seat 3. Specifically, the hoisting connectors are used to connect to the hoisting drum, and a pulley assembly common in the prior art can be adopted. The telescopic assembly can adopt a flexible telescopic structure or a rigid telescopic structure common in the prior art, and preferably a flexible telescopic mechanism.

[0019] The auxiliary lifting device of the gantry crane has the advantages of scientific design and simple operation. The positions of the hooks can be adjusted according to needs, and it is suitable for lifting heavy objects with various symmetrical or asymmetrical shapes. Specifically, during the use process, the positions of the hooks can be adjusted through the telescopic assembly to adapt to heavy objects with different shapes, fully ensuring the stability of the lifting process.

[0020] In one embodiment, the telescopic assembly includes an adjustment drum, an adjustment pulley is arranged on the first connecting seat 3, and the adjustment drum and the adjustment pulley are connected by an adjustment wire rope 8. During the use process, the position of the hook is adjusted by rotating the adjustment drum.

[0021] In one embodiment, the first connecting seat 3 includes two relatively arranged first connecting plates 11, a connecting pin and an adjustment pulley 12 are arranged between the two first connecting plates, the connecting pin passes through the connecting ring 10 and the two ends of the connecting pin are connected to the two first connecting plates, and the adjustment pulley is rotatably connected to the first connecting plate.

[0022] In one embodiment, the second connecting seat 4 includes two relatively arranged second connecting plates. The adjustment drum includes a drum shaft, a drum housing 7, and a driving mechanism for driving the drum shaft to rotate. The drum shaft is rotatably connected to the second connecting plate, the wire rope is wound around the drum shaft, and a wire rope outlet is arranged on one side outside the drum. Specifically, the driving mechanism can adopt a driving motor common in the prior art, the output shaft of the driving motor is connected to the drum shaft, and the drum shaft is rotated by electric power; a handwheel can also be adopted, the handwheel is connected to the drum shaft and rotated manually. It should be noted that a positioning mechanism can be set for positioning. For example, a plurality of positioning holes are arranged on the handwheel and the second connecting seat, and the handwheel and the second connecting seat are connected by a positioning pin to improve the structural stability.

[0023] In one embodiment, the mounting base 2 includes a multi-prism, and second connecting seats 4 are respectively arranged on the respective side surfaces of the multi-prism. A frustum 1 is arranged on the upper side of the multi-prism. The frustum 1 is coaxial with the multi-prism, and the outer contour of the frustum 1 is smaller than that of the multi-prism. Each lifting connecting member is mounted on the frustum 1. Specifically, the multi-prism is a hexagonal prism.

[0024] In one embodiment, there are two lifting connecting members, and the two lifting connecting members are symmetric to each other; the lifting connecting member includes a mounting groove 5 fixedly connected to the frustum 1. The top surface of the mounting groove 5 is open, and a hoisting pulley block 6 is installed inside the mounting groove 5. During use, the hoisting pulley block is connected to the hoisting drum by a steel wire rope.

[0025] The above embodiments can be combined with each other.

[0026] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present invention or perform equivalent replacements on some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered by the scope of the technical solutions claimed in the present invention.

Claims

1. An auxiliary lifting device for a gantry crane, characterized in that: It includes a mounting seat and a plurality of lifting connectors arranged on the upper side of the mounting seat and a plurality of lifting connectors arranged around the mounting seat; the lifting connector includes a hook, a connecting ring is arranged on the upper end of the hook, the connecting ring is connected to a first connecting seat, a second connecting seat is arranged on the mounting seat corresponding to the first connecting seat, a telescopic assembly is arranged on the second connecting seat, and the telescopic end of the telescopic assembly is connected to the first connecting seat.

2. The auxiliary lifting device for a gantry crane according to claim 1, characterized in that: The telescopic assembly comprises an adjusting drum, an adjusting pulley is arranged on the first connecting seat, and the adjusting drum and the adjusting pulley are connected by an adjusting steel wire rope.

3. The auxiliary lifting device for a gantry crane according to claim 2, characterized in that: The first connecting seat includes two first connecting plates arranged opposite to each other, a connecting pin and an adjusting pulley are arranged between the two first connecting plates, the connecting pin passes through the connecting ring and the two ends of the connecting pin are connected to the two first connecting plates, and the adjusting pulley is rotatably connected to the first connecting plates.

4. The auxiliary lifting device for a gantry crane according to claim 3, characterized in that: The second connecting seat includes two second connecting plates arranged opposite to each other. The adjusting drum includes a drum shaft, a drum shell and a driving mechanism for driving the drum shaft to rotate. The drum shaft is rotatably connected to the second connecting plate. The wire rope is wound around the drum shaft. A rope outlet is opened on one side of the outer side of the drum.

5. The auxiliary lifting device for a gantry crane according to claim 4, characterized in that: The mounting seat comprises a polygonal column, and a second connecting seat is respectively arranged on each side of the polygonal column. A frustum is arranged on the upper side of the polygonal column. The frustum is coaxial with the polygonal column, and the outer contour of the frustum is smaller than that of the polygonal column. Each lifting connecting piece is installed on the frustum.

6. The auxiliary lifting device for a gantry crane according to claim 5, characterized in that: Two lifting connectors are provided, and the two lifting connectors are symmetrical to each other; the lifting connector comprises a mounting groove fixedly connected to the round table, the top surface of the mounting groove is open, and a lifting pulley block is installed inside the mounting groove.

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