CN219136113U

CN219136113U - Hoisting sling and hoisting device of cable crane

Info

Publication number: CN219136113U
Application number: CN202320054750.1U
Authority: CN
Inventors: 周功建; 李少一; 王英博; 涂满明; 徐启利; 刘翠云; 赵小静; 宋小三; 王艳峰; 陈涛
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-06
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a hoisting sling and a hoisting device of a cable crane, and relates to the technical field of bridge construction equipment; the connecting mechanism is used for being connected with the steel truss girder; and the middle part of the rope loop is wound on the shoulder pole beam, and the rope loop winds around two ends of the shoulder pole beam and is connected with the connecting mechanism. When the lifting sling is used, the lifting mechanism is lowered to the top of the steel truss girder, the lifting mechanism and the shoulder pole girder are connected, the middle part of the rope loop is wound on the shoulder pole girder, two ends of the winding shoulder pole girder are connected with the connecting mechanism, the connecting mechanism is connected with the steel truss girder, and at least two groups of lifting slings are used in the lifting process. The lifting sling adopts the rope loop to connect the shoulder pole beam and the connecting mechanism, the coordination of the flexible connecting structure is high, the lifting sling can adapt to small-angle rotation generated when a plurality of groups of lifting sling are adopted to hoist the steel truss beam in a multipoint manner, the adverse effect on the lifting sling is reduced, and the safety of the construction process is improved.

Description

Hoisting sling and hoisting device of cable crane

Technical Field

The utility model relates to the technical field of bridge construction equipment, in particular to a lifting sling and a lifting device of a cable crane.

Background

Cable hoist is a common hoist device in bridge construction.

At present, when a cable crane is used for constructing a large-tonnage steel truss girder, a lug plate is required to be welded and hoisted on the steel truss girder, and then the cable crane is used for carrying a lifting appliance to carry out hoisting operation. The traditional sling connection method at present is as follows: the lifting appliance is made of steel pipes or large-size steel into a rigid frame or a member, the lifting appliance is connected with the steel truss girder lifting lug plates through pin shafts, the lifting appliance is connected with the cable rope lifting hanging frame through pin shafts for converting the horizontal direction, and the two pin shafts are arranged in different horizontal directions to assist the steel truss girder to swing.

In the prior art, the rotation angle of the steel truss girder is difficult to be adjusted to a large extent in the hoisting process, and adverse reactions are easy to be generated on the hoisting tool connecting piece.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a hoisting sling and a hoisting device of a cable crane, which can solve the problems that the rotation angle of a steel truss girder is difficult to be greatly adjusted in the hoisting process in the prior art, and adverse reactions are easy to be generated on a sling connecting piece.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows:

a hoist spreader for a cable hoist, comprising:

the shoulder pole beam is used for being connected with the hoisting mechanism;

the connecting mechanism is used for being connected with the steel truss girder;

and the middle part of the rope loop is wound on the shoulder pole beam, and the rope loop winds around two ends of the shoulder pole beam and is connected with the connecting mechanism.

On the basis of the technical proposal, the method comprises the following steps,

in some alternative solutions, the connection mechanism includes a main hanging shaft, the main hanging shaft is used for being inserted on a hanging ear plate of the steel truss girder, and the rope loop winds around two ends of the shoulder pole girder and is wound on the main hanging shaft.

In some alternatives, the main hoisting shaft comprises:

the pin shaft penetrates through the lifting lug plate arranged on the steel truss girder;

the two rollers are respectively arranged at two ends of the pin shaft, a sliding groove is formed in each roller, and two ends of the rope loop are wound in the sliding groove.

In some optional schemes, limiting plates are arranged at two ends of the pin shaft, bolt fixing holes are formed in the lifting lug plates, and the two limiting plates are connected through bolts penetrating through the bolt fixing holes.

In some alternative solutions, an arc saddle is arranged above the shoulder pole beam, and the middle part of the rope loop is wound on the arc saddle.

In some alternative schemes, two slide ways are arranged on the arc saddle at intervals, and the rope loop is wound in the slide ways.

In some alternatives, the void portion between the curved saddle and the shoulder pole beam is filled with concrete.

In some alternatives, the lower ends of the two sides of the shoulder pole beam are provided with rubber sheets, and the rope loop winds around the rubber sheets of the two sides of the lower end of the shoulder pole beam.

In some alternative schemes, two ends of the shoulder pole beam are provided with lug structures for pin connection with the hoisting mechanism.

A hoisting device of a cable crane comprises two groups of hoisting slings of the cable crane.

Compared with the prior art, the utility model has the advantages that:

when the lifting sling is used, the lifting mechanism is lowered to the top of the steel truss girder, the lifting mechanism and the shoulder pole girder are connected, the middle part of the rope loop is wound on the shoulder pole girder, two ends of the winding shoulder pole girder are connected with the connecting mechanism, the connecting mechanism is connected with the steel truss girder, and at least two groups of lifting slings are used in the lifting process. The lifting sling adopts the rope loop to connect the shoulder pole beam and the connecting mechanism, the coordination of the flexible connecting structure is high, the small-angle rotation during multi-point lifting of the steel truss beams by adopting a plurality of groups of lifting sling can be adapted, the adverse effect on the lifting sling is reduced, the safety of the construction process is improved, and the problems that the rotation angle of the steel truss beams is difficult to be adjusted greatly in the lifting process in the prior art, and adverse reactions are easy to be generated on the lifting sling connecting pieces are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a hoist spreader of a cable hoist according to the present application;

FIG. 2 is a schematic side view of an embodiment of a lifting appliance of the cable crane of the present application;

fig. 3 is a schematic structural view of an embodiment of a hoisting device of the cable crane of the present application.

In the figure: 1. a shoulder pole beam; 11. an arc saddle; 12. a slideway; 2. a hoisting mechanism; 3. a connecting mechanism; 31. a main hanging shaft; 311. a roller; 312. a pin shaft; 4. steel truss girder; 41. lifting the ear plate; 5. rope loop; 6. a rubber sheet; 7. and a limiting plate.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

Embodiments of a lifting sling and lifting device for a cable crane according to the present application are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present application provides a hoisting sling of a cable crane, including:

the shoulder pole beam 1 is used for being connected with the hoisting mechanism 2;

a connection mechanism 3 for connection with the steel truss girder 4;

the middle part of the rope loop 5 is wound on the shoulder pole beam 1, and the rope loop 5 bypasses two ends of the shoulder pole beam 1 and is connected with the connecting mechanism 3.

When the lifting sling is used, the lifting mechanism 2 is lowered to the top of the steel truss girder 4, the lifting mechanism 2 and the shoulder pole girder 1 are connected, the middle part of the rope loop 5 is wound on the shoulder pole girder 1, the two ends of the shoulder pole girder 1 are wound and connected with the connecting mechanism 3, the connecting mechanism 3 is connected with the steel truss girder 4, and at least two groups of lifting slings are used in the lifting process. The lifting sling adopts the rope loop 5 to connect the shoulder pole beam 1 and the connecting mechanism 3, the coordination of the flexible connecting structure is high, the small-angle rotation when the steel truss beam 4 is lifted by adopting a plurality of groups of lifting sling in a multi-point manner can be adapted, the adverse effect on the lifting sling is reduced, the safety of the construction process is improved, and the problems that the rotation angle of the steel truss beam is difficult to be adjusted greatly in the lifting process in the prior art, and adverse reaction is easy to be generated on a lifting sling connecting piece are solved.

In some alternative embodiments, as shown in fig. 2, the connection mechanism 3 includes a main hanging shaft 31, where the main hanging shaft 31 is used to be inserted on a hanging ear plate 41 of the steel truss girder 4, and the rope loop 5 is wound on the main hanging shaft 31 around two ends of the shoulder pole girder 1.

In this embodiment, the structure of the connection mechanism 3 is described, the main hanging shaft 31 is inserted on the hanging ear plate 41 of the steel truss girder 4, the rope loop 5 bypasses the two ends of the shoulder pole girder 1 and winds on the main hanging shaft 31, the stress condition of the hanging sling is better, and the connection of the main hanging shaft 31 and the steel truss girder 4 is more convenient.

As shown in fig. 1 and 2, in some alternative embodiments, the primary hanger shaft 31 includes:

the pin shaft 312 passes through the lifting lug plate 41 arranged on the steel truss girder 4;

the two rollers 311 are respectively arranged at two ends of the pin shaft 312, the rollers 311 are provided with sliding grooves, and two ends of the rope loop 5 are wound in the sliding grooves.

In this embodiment, the structure of the main hanging shaft 31 is described, which includes a roller 311 and a pin 312, the pin 312 passes through a hanging ear plate 41 arranged on the steel truss girder 4, the roller 311 is arranged at two ends of the pin 312, a chute is arranged on the roller 311, the lower end of the rope loop 5 is wound in the chute, the phenomenon of asynchronism in the hanging process is prevented, and the coordination of the hanging sling is enhanced.

In some alternative embodiments, as shown in fig. 2, both ends of the pin shaft 312 are provided with limiting plates 7, the lifting lug plate 41 is provided with a bolt fixing hole, and the two limiting plates 7 are connected by a bolt passing through the bolt fixing hole.

In this embodiment, limiting plates 7 are arranged at two ends of the pin shaft 312, the limiting plates 7 are located on one side, away from the lifting lug plates 41, of the idler wheels 311, bolt fixing holes are formed in the lifting lug plates 41, and the two limiting plates 7 are connected through bolts penetrating through the bolt fixing holes, so that the idler wheels 311 are more stable and safer in use.

In some alternative embodiments, as shown in fig. 2, an arc saddle 11 is provided above the shoulder pole beam 1, and the middle of the rope loop 5 is wound on the arc saddle 11.

In this embodiment, be equipped with arc saddle 11 on shoulder pole roof beam 1, wind the middle part of fagging 5 and establish on arc saddle 11, can reduce the wearing and tearing of shoulder pole roof beam 1 upside to fagging 5, play the guard action to fagging 5, set up arc saddle 11 and still can reduce the pressure to fagging 5, improve the security.

In some alternative embodiments, as shown in fig. 2, two spaced runners 12 are provided on the curved saddle 11, and the loop 5 is wound around the runners 12.

In the embodiment, two slide ways 12 are arranged on the arc saddle 11 at intervals, and the rope loop 5 is wound in the slide ways 12, so that the phenomenon of asynchronism in the hoisting process can be prevented, and the coordination of the hoisting sling is enhanced.

In some alternative embodiments, the void portion between the curved saddle 11 and the shoulder pole beam 1 is filled with concrete.

In this embodiment, the gap between the arc saddle 11 and the shoulder pole beam 1 is filled with concrete, so that the arc saddle 11 can be prevented from being deformed by the tension of the hoisting weight, the stability of the hoisting sling is enhanced, and the safety of the hoisting process is further improved.

In some alternative embodiments, as shown in fig. 1 or 2, the lower ends of both sides of the shoulder pole beam 1 are provided with rubber sheets 6, and the rope loop 5 bypasses the rubber sheets 6 on both sides of the lower end of the shoulder pole beam 1.

In this embodiment, be provided with sheet rubber 6 in the lower extreme of shoulder pole beam 1 both sides, can contact sheet rubber 6 in shoulder pole beam 1 lower extreme both sides because of rope loop 5 when bypassing shoulder pole beam 1, can reduce the wearing and tearing of shoulder pole beam 1 to rope loop 5, protection rope loop 5 improves the durability of this hoist and mount hoist, and then improves the security performance.

In some alternative embodiments, the two ends of the shoulder pole beam 1 are provided with lug structures for pin connection with the hoisting mechanism 2.

In this embodiment, be equipped with the otic placode structure at the both ends of shoulder pole roof beam 1, the convenience is connected with hoist mechanism 2 round pin axle, makes the effect of connection better, and is more convenient, can improve the efficiency of handling.

As shown in fig. 1-3, a cable hoist lifting device comprises two sets of a cable hoist lifting sling as described above.

When the lifting device is used, two groups of lifting mechanisms 2 are lowered to the tops of two ends of the steel truss girder 4, the lifting mechanisms 2 are connected with the shoulder pole girder 1, the middle part of a rope loop 5 is wound in a slideway 12 of an arc saddle 11 on the shoulder pole girder 1, two ends of the rope loop 5 are wound in a slideway of idler wheels 311 at two ends of a main lifting shaft 31, the main lifting shaft 31 is inserted on lifting lug plates 41 on the steel truss girder 4, and the lifting mechanisms 2 at two ends of the steel truss girder 4 drive two groups of lifting devices to lift the steel truss girder 4 simultaneously after connection is completed. The lifting sling adopts the rope loop 5 to connect the shoulder pole beam 1 and the connecting mechanism 3, the coordination of the flexible connecting structure is high, the small-angle rotation when the steel truss beam 4 is lifted by adopting a plurality of groups of lifting sling in a multi-point manner can be adapted, the adverse effect on the lifting sling is reduced, the safety of the construction process is improved, and the problems that the rotation angle of the steel truss beam is difficult to be adjusted greatly in the lifting process in the prior art, and adverse reaction is easy to be generated on a lifting sling connecting piece are solved.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hoist spreader for a cable hoist, comprising:

the shoulder pole beam (1) is used for being connected with the hoisting mechanism (2);

the connecting mechanism (3) is used for being connected with the steel truss girder (4);

the rope loop (5) is wound on the shoulder pole beam (1), and the rope loop (5) winds two ends of the shoulder pole beam (1) and is connected with the connecting mechanism (3).

2. A hoisting sling for a cable crane according to claim 1, wherein the connecting means (3) comprises a main hoisting shaft (31), the main hoisting shaft (31) being arranged to be inserted on a hoisting lug (41) of the steel girder (4), and the rope loops (5) being wound around the main hoisting shaft (31) around both ends of the shoulder pole girder (1).

3. A hoisting sling for a cable crane as claimed in claim 2, wherein the main hoisting shaft (31) comprises:

the pin shaft (312) penetrates through the lifting lug plate (41) arranged on the steel truss girder (4);

the two rollers (311) are respectively arranged at two ends of the pin shaft (312), sliding grooves are formed in the rollers (311), and two ends of the rope ring (5) are wound in the sliding grooves.

4. A hoisting sling for a cable crane as claimed in claim 3, wherein the two ends of the pin shaft (312) are provided with limiting plates (7), the hoisting lug plate (41) is provided with bolt fixing holes, and the two limiting plates (7) are connected by bolts passing through the bolt fixing holes.

5. Hoisting sling for cable crane according to claim 1, characterized in that the upper part of the shoulder pole beam (1) is provided with an arc saddle (11), the middle part of the rope loop (5) being wound on the arc saddle (11).

6. Hoisting sling for cable crane according to claim 5, characterized in that the arc saddle (11) is provided with two spaced runners (12), the rope loop (5) being wound in the runners (12).

7. A hoisting sling for a cable crane as claimed in claim 6, characterized in that the gap between the arc-shaped saddle (11) and the shoulder pole beam (1) is partially filled with concrete.

8. Hoisting sling for a cable crane according to claim 1, characterised in that the lower ends of the two sides of the shoulder pole beam (1) are provided with rubber sheets (6), and that the rope loop (5) is wound around the rubber sheets (6) on the two sides of the lower end of the shoulder pole beam (1).

9. Hoisting sling for a cable crane according to claim 1, characterised in that the shoulder pole beam (1) is provided with lug structures at both ends for connection with the hoisting means (2) by means of pins.

10. Hoisting device for a cable crane, characterized by comprising two sets of hoisting slings for a cable crane according to any one of claims 1-9.