CN205151548U - Hoist compensating beam and hoist - Google Patents

Abstract

The utility model discloses a crane balance beam and a crane, which relate to the technical field of engineering machinery. The technical problem of inconvenient transportation existing in the prior art is solved. The balance beam of the crane includes a balance beam body and an upper hinge ear, the top of the balance beam body is fixedly connected to the upper hinge ear, and the balance beam body is connected to the crane disembarking parts, and the upper hinge ear is hinged to the jib of the crane; The balance beam of the crane is formed by detachable and fixed connection of at least two components. The crane includes rails and the crane balance beam provided by any technical solution of the utility model. The utility model is used for reducing the difficulty of transporting the balance beam of a crane and improving the convenience of its transporting operation.

Description

Crane balance beams and cranes

technical field

The utility model relates to the technical field of engineering machinery, in particular to a crane balance beam and a crane provided with the crane balance beam.

Background technique

A crane is a mechanical device used for hoisting workpieces, equipment, etc.

In recent years, with the rapid development of my country's wind power, nuclear power, chemical and other industries, the hoisting tonnage of cranes has become larger and larger, and the functions of cranes have become more and more comprehensive. At the same time, the overall height and width of the whole machine have also increased.

In the prior art, an integral balance beam structure is used to connect the upper and lower structural members. The main structure of the balance beam is welded into a whole.

The applicant found that: the prior art has at least the following technical problems:

In the prior art, when the lifting capacity of the integral balance beam increases, the volume weight increases accordingly. When the increase reaches a certain limit, the overall size and weight will exceed the requirements for road and water transportation, resulting in inconvenient transportation. The integral balance beam Unable to meet the demand for continuous increase in crane capacity.

Utility model content

At least one purpose of the utility model is to provide a crane balance beam and a crane equipped with the crane balance beam, which solves the technical problem of inconvenient transportation in the prior art. The many technical effects that can be produced by the preferred technical solutions among the many technical solutions provided by the utility model are described in detail below.

In order to achieve the above object, the utility model provides the following technical solutions:

The crane balance beam provided by the utility model includes a balance beam body and an upper hinge ear, wherein:

The top of the balance beam body is fixedly connected to the upper hinge ear, and the balance beam body can be connected to the crane dismounting parts, and the upper hinge ear can be hinged to the jib of the crane;

The crane balance beam is composed of at least two components that are detachably and fixedly connected.

As an optimization of any technical solution or any optimized technical solution provided earlier or later in the present utility model, the balance beam body includes a first member and a second member, wherein:

The first component is fixedly connected to the upper hinge ear portion, and the first component and the second component are assembled together along the length direction of the balance beam body to form a detachable fixed connection.

As an optimization of any technical solution or any optimized technical solution provided earlier or later in the present invention, the first component and the second component form a detachable fixed connection through at least one pin connection structure.

As an optimization of any technical solution or any optimized technical solution provided earlier or later in the present invention, the pin shaft connection structure includes a first convex plate, a second convex plate and at least two connecting pin shafts, wherein:

The first convex plate is fixedly connected to the first member, and the second convex plate is fixedly connected to the second member;

Each of the first protruding plate and the second protruding plate is provided with at least two assembling through holes, and each of the connecting pins passes through one of the assembling through holes of the first protruding plate and the One said assembly through hole of the second protruding plate detachably and fixedly connects the first protruding plate and the second protruding plate together.

As an optimization of any technical solution or any optimized technical solution provided above or later in the present invention, the axial direction of the connecting pin shaft is parallel to or coincides with the width direction of the balance beam body, and the There are at least two pin connection structures, which are distributed on the first component and the second component along the width direction of the balance beam body.

As an optimization of any technical solution or any optimized technical solution provided above or later in the present invention, the top of the balance beam body is detachably and fixedly connected to the upper hinge ear.

As an optimization of any technical solution or any optimized technical solution provided above or later in the present utility model, the balance beam body includes a side plate and a cover plate, wherein:

The extension direction of the largest plane on the side plate is perpendicular to the horizontal plane, the cover plate is fixedly connected to the top of the side plate, and the upper hinge ear is detachably fixedly connected to the cover plate.

As an optimization of any technical solution or any optimized technical solution provided earlier or later in the present invention, the balance beam body includes a first member and a second member, and the upper hinge ear part includes a first hinge ear and a first hinge ear. Second hinge lug, of which:

The first member is fixedly connected to the first hinge ear, and the second member is fixedly connected to the second hinge ear;

The first component and the second component are assembled together along the width direction of the balance beam body and form a detachable fixed connection.

As an optimization of any technical solution or any optimized technical solution provided earlier or later in the present invention, each of the first component and the second component includes a side plate and a cover plate, wherein:

The extension direction of the largest plane on the side plate is perpendicular to the horizontal plane, the cover plate is fixedly connected to the top of the side plate, the first hinge ear is connected to the cover plate of the first member, and the first hinge ear is connected to the cover plate of the first member. The two hinge ears are connected with the cover plate of the second component.

As an optimization of any technical solution or any optimized technical solution provided above or later in the present invention, at least one of the two ends in the length direction of the balance beam body is provided with a connecting hole.

The crane provided by the embodiment of the utility model includes a track and the crane balance beam provided by any technical solution of the utility model, wherein: the crane balance beam is movably connected with the track and can make a straight line or an arc relative to the track sports.

Based on the above technical solutions, the embodiments of the present invention can at least produce the following technical effects:

Since the crane balance beam provided by the utility model is formed by detachable and fixed connection of at least two components, it can be disassembled into multiple independent components for transportation separately according to transportation requirements, because each component of the crane balance beam The volume and weight of the crane are smaller than the total volume and total weight of the entire crane balance beam, so it is more convenient to carry, lift and move, so it solves the technical problem of inconvenient transportation in the prior art.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the three-dimensional structure of the crane balance beam provided by an embodiment of the utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the crane balance beam provided by another embodiment of the utility model;

Fig. 3 is a schematic diagram of the three-dimensional structure of the crane balance beam provided by another embodiment of the utility model;

Reference signs: 1. balance beam body; 101, side plate; 102, cover plate; 11, first component; 12, second component; 13, pin connection structure; 131, first convex plate; 132, second convex plate; 133, connecting pin; 2, upper hinge ear; 21, first hinge ear; 22, second hinge ear; 3, bolt.

detailed description

Below you can understand the content of the utility model and the differences between the utility model and the prior art with reference to the accompanying drawings, Figures 1 to 3 and the text. The technical solution (including the preferred technical solution) of the utility model is further described in detail below by means of the accompanying drawings and listing some optional embodiments of the utility model. It should be noted that: any technical feature and any technical solution in this embodiment are one or more of a variety of optional technical features or optional technical solutions. Citing all the alternative technical features and alternative technical solutions of the present utility model, it is not convenient for the implementation of each technical feature to emphasize that it is one of the optional multiple implementation modes, so those skilled in the art should know: Any technical means provided by the utility model can be replaced or any two or more technical means or technical features provided by the utility model can be combined with each other to obtain a new technical solution. Any technical feature and any technical scheme in the present embodiment do not limit the protection scope of the present utility model, and the protection scope of the present utility model should include any alternative technical scheme that those skilled in the art can think of without paying creative work and technical solutions in this field. A new technical solution obtained by combining any two or more technical means or technical features provided by this utility model.

The embodiment of the utility model provides a crane balance beam which can be disassembled into multiple components for convenient transportation and a crane provided with the crane balance beam.

The technical solution provided by the utility model will be described in more detail below in conjunction with FIGS. 1 to 3 .

As shown in Figures 1 to 3, the crane balance beam provided by the embodiment of the utility model includes a balance beam body 1 and an upper hinge ear part 2, wherein:

The top of the balance beam body 1 is fixedly connected to the upper hinge ear part 2 (herein, the fixed connection may be welding), and the balance beam body 1 is connected to the unloading parts of the crane, and the upper hinge ear part 2 is hinged to the jib of the crane; The balance beam is formed by detachable and fixed connection of at least two components. Since the crane balance beam provided by the utility model is formed by detachable and fixed connection of at least two components, it can be disassembled into multiple independent components for transportation separately according to transportation requirements, because each component of the crane balance beam The volume and weight of the crane are smaller than the total volume and weight of the entire crane balance beam, so it is more convenient to carry, lift and move.

As an optional implementation, at least one of the two ends of the balance beam body 1 in the length direction is provided with a connection hole. The arrangement of the connection holes facilitates the connection operation between the balance beam of the crane and other structural parts. Certainly, both ends of the balance beam body 1 in the length direction may be provided with connection holes or neither may be provided with connection holes. The utility model has at least the following several embodiments:

1. Front and rear split implementation:

As an optional embodiment, the balance beam body 1 includes a first member 11 and a second member 12, wherein: the first member 11 is fixedly connected to the upper hinge ear portion 2, and the first member 11 and the second member 12 are along the balance beam body. 1 in the lengthwise direction (which can be regarded as the front-to-back direction) and form a detachable fixed connection. Due to the large size of the balance beam body 1 in the length direction, this design can better realize the splitting of the large and heavy balance beam body 1 into multiple components to facilitate handling and movement, and further facilitate transportation.

Certainly, in the length direction of the balance beam body 1 , two components, the first component 11 and the second component 12 , may be included, or more components may be included, for example, a third component may also be included.

As an optional implementation manner, the first member 11 and the second member 12 form a detachable fixed connection through at least one pin connection structure 13 . The pin shaft connection is not only compact in structure, but also convenient for disassembly and assembly.

As an optional embodiment, the pin connection structure 13 includes a first convex plate 131, a second convex plate 132 and at least two connecting pins 133, wherein: the first convex plate 131 is fixedly connected to the first member 11, and the second The convex plate 132 is fixedly connected with the second member 12; the first convex plate 131 and the second convex plate 132 are respectively provided with at least two assembly through holes, and each connecting pin 133 passes through one assembly of the first convex plate 131 in turn. The through hole and an assembly through hole of the second protruding plate 132 detachably connect the first protruding plate 131 and the second protruding plate 132 together. The axial direction of the connecting pin shaft 133 is preferably parallel to or coincident with the width direction of the balance beam body 1 . Both the pin connection structures 13 protrude from the first member 11 and the second member 12, so that the installation space is larger, the connection position is more convenient to observe, and has the advantages of convenient assembly and disassembly.

As an optional implementation, there are at least two pin connection structures 13 , which are distributed on the first component 11 and the second component 12 along the width direction of the balance beam body 1 . The balance beam body 1 formed by the connection of this structure is more balanced in force along the width direction, and the reliability of the connection structure is relatively good.

2. Implementation of upper and lower parts:

As an optional implementation, the top of the balance beam body 1 is detachably and fixedly connected (may be bolted) to the upper hinge ear part 2 . The above connection form can be regarded as splitting the balance beam of the crane in the up and down direction. The structure is not only convenient for assembly and connection, but also convenient for disassembly.

As an optional embodiment, the balance beam body 1 includes a side plate 101 and a cover plate 102, wherein: the extension direction of the largest plane on the side plate 101 is perpendicular to the horizontal plane, the cover plate 102 is fixedly connected to the top of the side plate 101, and the upper end is hinged. The ear part 2 is detachably and fixedly connected to the cover plate 102 .

The balance beam body 1 of the above-mentioned box-shaped structure not only has high structural strength and strong rigidity, but also has a large connection area with the upper hinge ear part 2, and the connection operation is more convenient to implement.

3. Left and right split implementation:

As an optional embodiment, the balance beam body 1 includes a first member 11 and a second member 12, and the upper hinge ear part 2 includes a first hinge ear 21 and a second hinge ear 22, wherein:

The first member 11 is fixedly connected to the first hinge ear 21, and the second member 12 is fixedly connected to the second hinge ear 22; the first member 11 and the second member 12 are assembled together along the width direction of the balance beam body 1 and form a detachable Fixed connection.

This structure can be regarded as connecting two crane balance beams with relatively narrow dimensions in the width direction (which can be regarded as the left and right directions) to form a large crane balance beam with relatively wide dimensions in the width direction.

As an optional embodiment, the first member 11 and the second member 12 each include a side plate 101 and a cover plate 102, wherein: the extension direction of the largest plane on the side plate 101 is perpendicular to the horizontal plane, and the cover plate 102 and the side plate 101 The top of the hinge is fixedly connected, and the first hinge ear 21 and the second hinge ear 22 are respectively connected to the cover plate 102 . The above-mentioned connection form forms the first member 11 and the second member 12 of a box-shaped structure. This structure not only has high strength and strong rigidity, but also has a large connection area with the first hinge ear 21 and the second hinge ear 22, making the connection work easier. Easy to implement.

As an optional implementation, the axial direction of the connecting pin used to connect the first member 11 and the second member 12 is parallel to or coincides with the width direction and/or thickness direction of the balance beam body 1 . Of course, the above several embodiments can be used alone, and can also be used in conjunction with crossing front and rear split bodies and upper and lower split bodies, left and right split bodies and upper and lower split bodies, and left and right split bodies and front and rear split bodies. I won't list them all here.

In the present invention, the integral balance beam is divided into several parts, and the functions of the integral balance beam are realized through various combinations. Through the split structure, the parts that cannot meet the transportation requirements of roads and waterways can be dismantled, and the weight and overall size are greatly reduced to meet the needs of parts transfer transportation.

The crane provided by the embodiment of the utility model includes a track and the crane balance beam provided by any technical solution of the utility model, wherein: the crane balance beam is movably connected with the track and can move in a straight line or an arc relative to the track. The utility model is suitable for the crane to reduce the transportation difficulty of the balance beam of the crane.

Any technical solution disclosed in the above-mentioned utility model, unless otherwise stated, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred numerical range is only It is the value with obvious or representative technical effects among many implementable values. Since there are too many numerical values to list exhaustively, the utility model only discloses some numerical values to illustrate the technical solution of the utility model, and the numerical values listed above should not constitute limitations to the protection scope of the utility model.

If words such as "first" and "second" are used herein to define components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of describing the components. Unless otherwise stated, the above words have no special meanings. At the same time, if the above-mentioned utility model discloses or relates to parts or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (such as using a bolt or screw connection), or It can be understood as: non-detachable fixed connection (such as riveting, welding), of course, the mutual fixed connection can also be replaced by an integrated structure (such as manufactured by casting process) (except that it is obviously impossible to use integral forming process).

In addition, unless otherwise stated, the terms used in any of the technical solutions disclosed in the present utility model to indicate positional relationships or shapes include states or shapes that are similar, similar or close to them. Any component provided by the utility model can be assembled from a plurality of individual components, and can also be a single component manufactured by an integral forming process.

In the description of the present invention, if the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top ", "bottom", "inner", "outer", etc., then the orientation or positional relationship indicated by the above terms is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than An indication or implication that a reference to a crane balance beam or element must have a particular orientation, be constructed and operate in a particular orientation should not be construed as limiting the scope of the invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and not limit it; although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand that: still The specific implementation of the utility model can be modified or some technical features can be equivalently replaced; without departing from the spirit of the technical solution of the utility model, all of them should be included in the scope of the technical solution claimed by the utility model.

Claims (11)

1. A crane balance beam, characterized in that it comprises a balance beam body and an upper hinge ear, wherein: The top of the balance beam body is fixedly connected to the upper hinge ear, and the balance beam body can be connected to the crane dismounting parts, and the upper hinge ear can be hinged to the jib of the crane; The crane balance beam is composed of at least two components that are detachably and fixedly connected. 2. The crane equalizer beam of claim 1, wherein the equalizer beam body comprises a first member and a second member, wherein: The first component is fixedly connected to the upper hinge ear portion, and the first component and the second component are assembled together along the length direction of the balance beam body to form a detachable fixed connection. 3. The crane balance beam according to claim 2, wherein the first member and the second member form a detachable fixed connection through at least one pin connection structure. 4. The crane balance beam according to claim 3, wherein the pin connection structure comprises a first convex plate, a second convex plate and at least two connecting pins, wherein: The first convex plate is fixedly connected to the first member, and the second convex plate is fixedly connected to the second member; Each of the first protruding plate and the second protruding plate is provided with at least two assembling through holes, and each of the connecting pins passes through one of the assembling through holes of the first protruding plate and the One said assembly through hole of the second protruding plate detachably and fixedly connects the first protruding plate and the second protruding plate together. 5. The crane balance beam according to claim 4, wherein the axial direction of the connecting pin is parallel to or coincident with the width direction of the balance beam body, and the number of the pin connection structures is At least two, distributed on the first component and the second component along the width direction of the balance beam body. 6. The crane balance beam according to claim 1, wherein the top of the balance beam body is detachably and fixedly connected to the upper hinge ear. 7. The crane balance beam according to claim 6, wherein the balance beam body comprises side plates and cover plates, wherein: The extension direction of the largest plane on the side plate is perpendicular to the horizontal plane, the cover plate is fixedly connected to the top of the side plate, and the upper hinge ear is detachably fixedly connected to the cover plate. 8. The crane balance beam according to claim 1, wherein the balance beam body comprises a first component and a second component, and the upper hinge lug part comprises a first hinge lug and a second hinge lug, wherein: The first member is fixedly connected to the first hinge ear, and the second member is fixedly connected to the second hinge ear; The first component and the second component are assembled together along the width direction of the balance beam body and form a detachable fixed connection. 9. The crane equalizer beam of claim 8, wherein the first member and the second member each comprise a side plate and a cover plate, wherein: The extension direction of the largest plane on the side plate is perpendicular to the horizontal plane, the cover plate is fixedly connected to the top of the side plate, the first hinge ear is connected to the cover plate of the first member, and the first hinge ear is connected to the cover plate of the first member. The two hinge ears are connected with the cover plate of the second member. 10. The crane balance beam according to claim 1, characterized in that at least one of the two ends in the length direction of the balance beam body is provided with a connection hole. 11. A crane, characterized in that it includes a track and the crane balance beam according to any one of claims 1-10, wherein: The crane balance beam is movably connected with the track and can move in a straight line or in a circular arc relative to the track.