CN220845228U - Hoisting equipment - Google Patents

Abstract

The utility model provides hoisting equipment, which comprises: the crane main body comprises a chassis and a suspension device, wherein the suspension device is movably connected with the chassis and is suitable for rotating along the horizontal direction relative to the chassis; the track assembly comprises an annular track and a track car, wherein the annular track is arc-shaped or annular and is arranged along the circumference of the crane main body, and the track car is connected with the suspension device, is suitable for bearing the balancing weight and moves along the annular track. Through setting up the annular rail and bearing the railcar of super-lift counter weight, can effectively disperse the load, improve the bearing capacity to super-lift counter weight, realize the fast adjustment to super-lift counter weight position, improve work efficiency, simultaneously, through setting up track structure, the railcar that cooperatees has the wheel portion bears, can reduce the wheel portion volume of railcar, avoids taking the space of great area.

Description

Hoisting equipment

Technical Field

The utility model relates to the technical field of conveying equipment, in particular to hoisting equipment.

Background

In the existing wind power industry, most of crawler cranes with super-lifting counterweight functions are in a floor type, namely, when a hook head does not lift a heavy object or the heavy object is light in weight, the super-lifting counterweight is directly placed on the ground and cannot move and rotate freely, and further after goods are unloaded, the super-lifting counterweight needs another crane or other conveying equipment to be dumped to a required position, the time for dumping the counterweight is increased, and the hoisting operation efficiency is influenced.

The existing part of large-tonnage crawler crane super-lifting counter weights can float and rotate when the hook heads are empty, because the lifting capacity is large, the large arm capacity is strong, the super-lifting counter weights can be pulled up, but the manufacturing cost is high, and the small-tonnage crawler crane super-lifting counter weights have no competitive force in the market of small-tonnage crawler crane requirements. The existing part of small-sized crawler cranes convey the super-lifting counter weight through a rubber tire structure, but convey the super-lifting counter weight through tires, the bearing capacity is small, if the tonnage of the super-lifting counter weight is higher, a chassis with a larger area is needed, and construction under a small-scale space is difficult.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the small-sized crawler crane in the prior art is difficult to bear large-tonnage super-lifting counterweight construction, so as to provide the crawler crane.

The utility model provides hoisting equipment, which comprises: the crane main body comprises a chassis and a suspension device, wherein the suspension device is movably connected with the chassis and is suitable for rotating along the horizontal direction relative to the chassis; the track assembly comprises an annular track and a track car, wherein the annular track is arc-shaped or annular and is arranged along the circumference of the crane main body, and the track car is connected with the suspension device, is suitable for bearing a counterweight and moves along the annular track.

The railcar includes: the bearing plate is suitable for bearing the balancing weight; the bearing wheels are arranged along the bottom surface of the bearing plate, are movably connected with the annular rail and are suitable for moving along the annular rail under the action of external force.

The railcar further includes: the base plates are correspondingly arranged between the bearing plates and the bearing wheels, a first driving device is arranged on the base plates, and the first driving device is suitable for driving the bearing wheels to move relative to the annular rail.

The annular rail comprises two guide rails which are arranged in a same-direction extending mode, and the guide rails are provided with guide outer edges; each group of bearing wheels are respectively arranged at two sides of the annular rail, and the bearing wheels are movably connected with at least one side of the guiding outer edge and are in limit fit.

The lower end side direction of the guide outer fringe is provided with the arc groove, the side edge extension of bearing wheel sets up in the arc groove.

And a brake structure is further arranged on the base plate and is in communication connection with the first driving device and is suitable for braking the bearing wheel.

Be provided with a plurality of locating parts on the loading board, the locating part interval sets up, is suitable for spacing the balancing weight.

The lifting device further comprises: and the connecting rod is detachably connected with the rail car and the suspension device.

The crane main body is provided with a second driving device which is suitable for driving the hanging device to rotate relative to the chassis, and the second driving device is in communication connection with the first driving device.

The first driving device and the second driving device are hydraulically driven.

The technical scheme of the utility model has the following advantages:

Through setting up the annular rail and bearing the railcar of super-lift counter weight, orbital setting can effectively disperse the load on the one hand, improves the bearing capacity to super-lift counter weight, on the other hand, can realize the fast adjustment to super-lift counter weight position through the cooperation of track and railcar for the angle of crane main part, need not the loop wheel machine and lead to refuting, improves work efficiency, simultaneously, through setting up track structure, the railcar that cooperatees has the wheel portion bears, can reduce the wheel portion volume of railcar, avoids occupation great area's space.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a hoisting device according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a rail car of the hoisting device shown in fig. 1;

reference numerals illustrate:

1. A chassis; 2. a suspension device; 3. a ring rail; 30. a guide rail; 31. guiding the outer edge; 32. an arc-shaped groove; 4. a rail car; 41. a carrying plate; 42. a carrying wheel; 43. a substrate; 5. a connecting rod; 6. and (5) balancing weights.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1-2, the present embodiment provides a lifting device, in particular a crawler crane, adapted to travel along a unidirectionally laid roadbed panel 43, comprising a crane body and a track assembly.

Specifically, the crane main part includes chassis 1 and automobile body, chassis 1 is provided with track traveling system and carries out the second drive arrangement that provides power for the track, chassis 1 upper portion is provided with the revolving stage, the revolving stage is connected with the automobile body for the linkage 2 that sets up on the automobile body can rotate relative chassis 1, linkage 2 includes the master arm, surpass and plays the support arm, hang and draw piece, hook assembly etc. master arm and surpass and lift the support arm and articulate with the automobile body respectively, wherein the master arm hangs the heavy object through hook assembly, surpass the tip of lift support arm and be connected with master arm end through hanging and draw piece, surpass and lift balance weight in suspension of support arm one side.

Track assembly includes annular rail 3 and railcar 4, and annular rail 3 is the arc section setting in chassis 1 week side, and with the central rotation axis equidistance setting of revolving stage, specifically be two arc rails that set up with one heart, railcar 4 sets up on annular rail 3, is suitable for bearing a plurality of balancing weights 6 as super-lift counter weight, in this embodiment, railcar 4 is connected with the linkage 2 of automobile body through detachably connecting rod 5, can follow annular slide rail motion under the power effect of automobile body or railcar 4.

Through setting up annular rail 3 and bearing super-lift counter weight's railcar 4, orbital setting can effectively disperse the load on the one hand, improves the bearing capacity to super-lift counter weight, on the other hand, can realize super-lift counter weight position's fast adjustment through the cooperation of track and railcar 4 for the angle of crane main part, need not the loop wheel machine and lead to refute, improve work efficiency, simultaneously, through setting up track structure, the railcar 4 that cooperates has the wheel portion bears, can reduce the wheel portion volume of railcar 4, avoid occupation the space of great area.

The railcar 4 includes loading board 41 and two sets of loading wheels 42, and loading board 41 is suitable for bearing balancing weight 6, in this embodiment, is provided with a plurality of locating parts on the loading board 41, specifically is the spacing protruding that a plurality of intervals set up, can correspond the joint with the sunken recess on the balancing weight 6, realizes effectively spacing to balancing weight 6, avoids the sliding of balancing weight 6, also can cooperate structure such as support body, screen panel and tether to consolidate further. The two groups of bearing wheels 42 are respectively arranged along the bottom surface of the bearing plate 41, are movably connected with the annular rail 3 and are suitable for moving along the inner groove under the action of external force.

The railcar 4 further includes two groups of base plates 43 correspondingly disposed between the bearing plate 41 and each bearing wheel 42, and fixed under the bearing plate 41 and disposed at intervals, each base plate 43 is correspondingly provided with a group of bearing wheels 42, in this embodiment, the base plate 43 is further connected with a first driving device, so that the bearing wheels 42 can be driven to move relative to the annular rail 3. The number of the groups of the base plates 43 corresponds to the number of the groups of the carrying wheels 42, and two or more groups can be adopted. By providing the base plate 43, it can be made the basis for the provision of the carrier wheel 42.

The annular rail 3 comprises two guide rails 30 extending in the same direction, the guide rails 30 being provided with guide rims 31, the guide rims 31 being embodied as top flanges of load-bearing wheels 42. Each group of bearing wheels 42 are respectively arranged at two sides of the annular rail 3, and a single bearing wheel 42 is movably connected with at least one side of the guiding outer edge 31 and is in limit fit. In this embodiment, the bearing wheel 42 is a universal wheel, and includes a wheel body and a disc-shaped bearing base capable of rotating circumferentially, the wheel body is in an H-shape, and the outer edges of two ends are clamped and limited with two sides of the guiding outer edge 31.

Further preferably, the lower end of the guiding rim 31 is laterally provided with an arcuate slot 32, and the side edges of the carrier wheel 42 are disposed in the arcuate slot 32 in an extending manner. This arrangement further stabilizes the limit even more the degree of freedom of the carrier wheel 42.

As an alternative embodiment, the carrying wheel 42 may comprise a body in the form of a rigid sphere and a connecting base which is partly enclosed by the body and is connected to the base plate 43, the connecting base being arranged on the side facing away from the outer rail, the body preferably being made of steel or iron and being adapted for rolling connection with the arcuate slot 32 laterally of the outer rail. By providing the carrier wheel 42 as a rigid spherical universal wheel, it is possible to provide a rolling connection with the external track, reducing friction and increasing service life.

The base plate 43 is further provided with a brake structure in communication with the first drive means adapted to brake the carrier wheel 42. Preferably it may be a shoe brake or a disc brake configuration.

In this embodiment, the crane body is provided with a second driving device adapted to drive the suspension device 2 to rotate relative to the chassis 1, and the second driving device is in communication connection with the first driving device, specifically in electrical connection or wireless communication connection. Preferably, the first drive means and the second drive means are hydraulically driven, but as an alternative embodiment they may also be motor driven.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. Hoisting equipment, characterized in that includes:

The crane comprises a crane main body, a lifting device and a lifting device, wherein the crane main body comprises a chassis (1) and a hanging device (2), the hanging device (2) is movably connected with the chassis (1) and is suitable for rotating along the horizontal direction relative to the chassis (1);

Track subassembly, including annular rail (3) and railcar (4), annular rail (3) are arc or annular follow crane main part circumference sets up, railcar (4) with linkage (2) are connected, are suitable for bearing balancing weight (6), and follow annular rail (3) motion.

2. Hoisting device according to claim 1, characterized in that the rail car (4) comprises:

A bearing plate (41) suitable for bearing the balancing weight (6);

The bearing wheels (42) are arranged along the bottom surface of the bearing plate (41), are movably connected with the annular rail (3) and are suitable for moving along the annular rail (3) under the action of external force.

3. Hoisting device according to claim 2, characterized in that the rail car (4) further comprises:

The base plates (43) are correspondingly arranged between the bearing plates (41) and the bearing wheels (42), and a first driving device is arranged on the base plates and is suitable for driving the bearing wheels (42) to move relative to the annular rail (3).

4. A lifting device as claimed in claim 2 or 3, wherein,

The annular rail (3) comprises two guide rails (30) which are arranged in a same-direction extending mode, and the guide rails (30) are provided with guide outer edges (31);

Each group of bearing wheels (42) are respectively arranged at two sides of the annular rail (3), and the bearing wheels (42) are movably connected with at least one side of the guiding outer edge (31) and are in limit fit.

5. Hoisting device according to claim 4, characterized in that the lower end of the guiding rim (31) is laterally provided with an arc-shaped groove (32), and the side edges of the carrying wheel (42) are arranged in the arc-shaped groove (32) in an extending manner.

6. A lifting device according to claim 3, characterized in that the base plate (43) is further provided with a braking structure, which is in communication with the first driving means and adapted to brake the carrier wheel (42).

7. Hoisting device according to any one of claims 2-3, 5-6, characterized in that the carrier plate (41) is provided with a number of limiting members, which are arranged at intervals and adapted to limit the counterweight (6).

8. The hoisting device of any one of claims 1-3, 5-6, further comprising:

And the connecting rod (5) is detachably connected with the rail car (4) and the suspension device (2).

9. Hoisting device according to claim 8, characterized in that the crane body is provided with a second drive means adapted to drive the suspension means (2) in rotation relative to the chassis (1), said second drive means being arranged in communication with the first drive means on the railcar (4).

10. Hoisting device as claimed in claim 9, characterized in that the first drive means and the second drive means are hydraulically driven.