CN215516340U - Lifting appliance - Google Patents

Abstract

The utility model provides a lifting appliance. The hoist includes: a hoisting ring; a plurality of shackles are movably connected with the lifting ring respectively; at least one first strap assembly; the total number of the first sling component and the second sling component is equal to the number of the shackles, different first sling components and different second sling components are movably connected with different shackles respectively, one end, far away from the shackles, of each first sling component is provided with a first lifting hook, one end, far away from the shackles, of each second sling component is provided with a second lifting hook, and the structures of the first lifting hooks and the structures of the second lifting hooks are the same or different. The problem of rail vehicle chassis handling difficulty among the prior art is solved.

Description

Lifting appliance

Technical Field

The utility model relates to the field of rail vehicle production equipment, in particular to a lifting appliance.

Background

The underframe is one of the most important large parts of the train body of the motor train unit, plays the key roles of hanging various electrical equipment of the motor train unit, bearing load and penetrating and installing pipelines, is used as an end underframe directly related to a bogie structure of the motor train unit, is related to the operation stability of the whole train body structure, and has the mass of about 2 tons. In the production process of the end underframe structure, the final process is to pave the inner wall floor of the draw beam, after the inner wall floor of the draw beam is paved, the original hook mounting seat lifting point can not be lifted due to the shielding of the floor, and the lifting is carried out by the hanging strip, so that the safety risk exists.

Therefore, the problem that the underframe of the railway vehicle is difficult to hoist exists in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lifting appliance to solve the problem that a rail vehicle underframe is difficult to lift in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a spreader comprising: a hoisting ring; a plurality of shackles are movably connected with the lifting ring respectively; at least one first strap assembly; the total number of the first sling component and the second sling component is equal to the number of the shackles, different first sling components and different second sling components are movably connected with different shackles respectively, one end, far away from the shackles, of each first sling component is provided with a first lifting hook, one end, far away from the shackles, of each second sling component is provided with a second lifting hook, and the structures of the first lifting hooks and the structures of the second lifting hooks are the same or different.

Furthermore, the first sling assembly comprises a first sling, two ends of the first sling are respectively provided with a first annular structure, and the first sling is respectively movably connected with the shackle and the first lifting hook through the first annular structures at the two ends.

Further, the second strap assembly comprises: the connecting structure is connected with the shackle in a length-adjustable manner; and the two ends of the second hanging strip are respectively provided with a second annular structure, and the second hanging strip is respectively movably connected with the connecting structure and the second lifting hook through the second annular structures at the two ends.

Further, the length of the second strap is less than the length of the first strap.

Further, the connection structure includes: the butterfly buckle is connected with the shackle; the second hanging belt is connected with the butterfly buckle through the chain; the adjuster is arranged at one end, far away from the second sling, of the chain to adjust the length of the chain between the second sling and the butterfly buckle.

Furthermore, the two ends of the first hanging strip and the two ends of the second hanging strip are respectively provided with an anti-abrasion protective sleeve.

Furthermore, the length of the first hanging strip is more than or equal to 2800mm, and the length of the second hanging strip is more than or equal to 2600 mm.

Further, the first hook is a C-shaped hook.

Further, the number of the first strap assemblies is two, and the number of the second strap assemblies is one.

Further, the inner surface of the first hook has a rubber layer.

By applying the technical scheme of the utility model, the lifting appliance comprises a lifting ring, a shackle, at least one first lifting belt assembly and at least one second lifting belt assembly. The number of the shackles is multiple, and the shackles are movably connected with the lifting ring respectively; the total number of the first hanging strip assembly and the second hanging strip assembly is equal to the number of the shackles, the first hanging strip assembly and the second hanging strip assembly which are different are respectively movably connected with the shackles, a first lifting hook is arranged at one end, far away from the shackles, of the first hanging strip assembly, a second lifting hook is arranged at one end, far away from the shackles, of the second hanging strip assembly, and the structure of the first lifting hook is the same as or different from that of the second lifting hook.

When the lifting appliance in the application is used, the first lifting hook assembly can be connected with the underframe of the rail vehicle through the first lifting hook, and the second lifting hook assembly can be connected with the underframe of the rail vehicle through the second lifting hook, so that the stability of the underframe in the transportation process can be effectively ensured. Therefore, the lifting appliance effectively solves the problem of difficult lifting of the underframe of the rail vehicle in the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural view of a spreader according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a hoisting ring; 20. shackle dismounting; 30. a first strap assembly; 31. a first hook; 40. a second strap assembly; 41. a second hook.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.

In order to solve the problem of rail vehicle chassis handling difficulty among the prior art, this application provides a hoist.

As shown in fig. 1, the spreader of the present application includes a lifting ring 10, a shackle 20, at least one first strap assembly 30, and at least one second strap assembly 40. The number of the shackles 20 is multiple, and the shackles 20 are respectively movably connected with the lifting ring 10; the total number of the first sling assembly 30 and the second sling assembly 40 is equal to the number of the shackles 20, different first sling assemblies 30 and different second sling assemblies 40 are movably connected with different shackles 20 respectively, one end of each first sling assembly 30, which is far away from the shackles 20, is provided with a first hook 31, one end of each second sling assembly 40, which is far away from the shackles 20, is provided with a second hook 41, and the structure of each first hook 31 is the same as or different from that of each second hook 41.

When the lifting appliance in the application is used, the first lifting belt assembly 30 can be connected with the underframe of the railway vehicle through the first lifting hook 31, and the second lifting belt assembly 40 can be connected with the underframe of the railway vehicle through the second lifting hook 41, so that the stability of the underframe in the transportation process can be effectively ensured. Therefore, the lifting appliance effectively solves the problem of difficult lifting of the underframe of the rail vehicle in the prior art.

Specifically, the first strap assembly 30 includes a first strap, two ends of the first strap are respectively provided with a first loop structure, and the first strap is movably connected with the shackle 20 and the first hook 31 through the first loop structures at the two ends. The second strap assembly 40 includes a connecting structure and a second strap. The connecting structure is connected with the shackle 20 in a length adjustable manner; the two ends of the second sling are respectively provided with a second annular structure, and the second sling is respectively movably connected with the connecting structure and the second lifting hook 41 through the second annular structures at the two ends. That is, the structure and composition of the first strap assembly 30 and the second strap assembly 40 are different in this application.

Optionally, the length of the second strap is less than the length of the first strap.

Optionally, the connecting structure comprises a butterfly buckle, a chain and an adjuster. The butterfly buckle is connected with the shackle 20; the second sling is connected with the butterfly buckle through a chain; the adjuster is arranged at one end, far away from the second sling, of the chain to adjust the length of the chain between the second sling and the butterfly buckle.

In one embodiment of the present application, there are two first strap assemblies 30 and one second strap assembly 40.

Optionally, both ends of the first sling and both ends of the second sling are provided with an anti-wear protective sleeve respectively.

Optionally, the length of the first strap is 2800mm or more and the length of the second strap is 2600mm or more.

Optionally, the first hook 31 is a C-shaped hook.

Preferably, the inner surface of the first hook 31 has a layer of glue skin.

In one embodiment of the present application, the spreader is a steel alloy construction, and is designed as a "three-jaw construction", i.e., two for the first strap assembly 30 and one for the second strap assembly 40. In order to ensure the stable lifting process, the bow shackles 20 of the lifting appliance with the three-claw structure are uniformly arranged at the lifting rings 10 of the lifting appliance in a penetrating manner, wherein C-shaped lifting hooks are specially arranged at the joints with the sleeper beams, the C-shaped lifting hooks are conveniently inserted into two sides of the sleeper beams, and 2mm rubber is arranged at the joints of the C-shaped lifting hooks and the sleeper beams, so that the electrochemical corrosion caused by the contact of dissimilar metals is prevented. The end bumper beam area is specially made with a 420mm hook-type hook, namely a second hook 41, and is combined with a bumper beam structure to act on the bumper beam process connecting plate, namely the middle area of the end underframe. Meanwhile, in order to adjust the relative length between the three-jaw hanging belts conveniently and balance the stability of the transferring process, one end of the second hanging belt is provided with a chain and a chain adjuster, so that the length of the chain is adjusted conveniently; meanwhile, the butterfly buckle is arranged, so that the chain is prevented from unhooking in the hoisting process.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problem that the underframe of the rail vehicle is difficult to hoist in the prior art is effectively solved;

2. simple structure and stable performance.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A spreader, comprising:

a suspension ring (10);

the number of the shackles (20) is multiple, and the shackles (20) are respectively movably connected with the lifting ring (10);

at least one first strap assembly (30);

at least one second suspender component (40), the total number of the first suspender component (30) and the second suspender component (40) is equal to the number of the shackles (20), the first suspender component (30) and the second suspender component (40) which are different are movably connected with the shackles (20), the end, away from the shackles (20), of the first suspender component (30) is provided with a first hook (31), the end, away from the shackles (20), of the second suspender component (40) is provided with a second hook (41), and the structure of the first hook (31) is the same as or different from that of the second hook (41).

2. The spreader according to claim 1, wherein the first strap assembly (30) comprises a first strap having a first loop structure at each end, the first strap being movably connected to the shackle (20) and the first hook (31) by the first loop structures at each end.

3. The spreader of claim 2, wherein the second strap assembly (40) comprises:

a connection structure that is length-adjustably connected with the shackle (20);

and the two ends of the second hanging strip are respectively provided with a second annular structure, and the second hanging strip is respectively movably connected with the connecting structure and the second lifting hook (41) through the second annular structures at the two ends.

4. The spreader of claim 3, wherein the length of the second strap is less than the length of the first strap.

5. The spreader of claim 3, wherein the connection structure comprises:

a butterfly buckle connected with the shackle (20);

the second hanging belt is connected with the butterfly buckle through the chain;

an adjuster disposed at an end of the chain distal from the second strap to adjust a length of the chain between the second strap and the butterfly clasp.

6. The spreader of claim 3, wherein both ends of the first and second slings are provided with an anti-wear protective sleeve, respectively.

7. The spreader of claim 3, wherein the first harness strap is 2800mm or more in length and the second harness strap is 2600mm or more in length.

8. The spreader according to any of the claims 1 to 7, wherein the first hook (31) is a C-hook.

9. The spreader according to any of claims 1 to 7, wherein the first strap assembly (30) is two and the second strap assembly (40) is one.

10. The spreader according to any of the claims 1 to 7, wherein the inner surface of the first hooks (31) has a layer of glue skin.

Images