CN210795594U

CN210795594U - Counterweight device of crane

Info

Publication number: CN210795594U
Application number: CN201921987368.6U
Authority: CN
Inventors: 马志胜; 詹铠源
Original assignee: LIAONING SANYO HEAVY INDUSTRY CRANE EQUIPMENT CO LTD
Current assignee: LIAONING SANYO HEAVY INDUSTRY CRANE EQUIPMENT CO LTD
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-19
Anticipated expiration: 2029-11-15

Abstract

The utility model provides a crane counterweight device, include: the counterweight frame is of a square structure and comprises a first side wall, a second side wall, a third side wall and a fourth side wall, and a plurality of first positioning holes are formed in the vertical direction of the first side wall and the second side wall at intervals and in a fixed distance; a guide groove provided on an inner side of the third side wall; the counterweight block comprises an upper end surface, a lower end surface and a side surface, wherein two ends of the upper end surface are provided with first grooves; both ends of the lower end face are provided with first bosses matched with the first grooves; the through holes are arranged at two ends of the balancing weight and are straight-line holes penetrating through the first groove and the first boss; and the steel strand penetrates through the through holes of the stacked balancing weights, and the two ends of the steel strand are screwed and fixed on the upper end surface and the lower end surface of the balancing weight by bolts. The utility model discloses not only increased the stability of counter weight and made things convenient for the stack between the balancing weight.

Description

Counterweight device of crane

Technical Field

The utility model belongs to the technical field of the hoist, especially a hoist counter weight device.

Background

The crane refers to a machine that uses a hook or other load-taking device to hang a heavy object and performs cyclic operations such as lifting and transferring in space. The cranes are classified into one or more types, namely, cranes, tower cranes, overhead cranes, traveling cranes and the like. The crane can be divided into three types of bridge crane, cable crane and jib crane according to structure, the device for taking objects can be divided into fifteen types of hook crane, grab bucket crane, electromagnetic crane and the like, the device can be divided into five types of fixed crane, climbing crane, portable crane, radial rotary crane and walking crane according to the moving mode, and the device can be divided into three types of manual crane, electric crane and hydraulic crane according to the driving mode. And also classified according to the turning ability, the supporting manner, the operating manner, and the like.

The counter weight is the main structure spare of hoist, and the weight of counter weight has very big influence to the stability ability of hoist, and current hoist balancing weight easily removes, in order to further promote the stability ability of hoist, just requires the balancing weight to have higher stability in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crane counterweight device.

In order to achieve the above object, the utility model provides a crane counterweight device, include:

the counterweight frame is of a square structure and comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall is opposite to the second side wall, the third side wall is opposite to the fourth side wall, a plurality of first positioning holes are formed in the first side wall and the second side wall at intervals in the vertical direction, and the third side wall is higher than the first side wall, the second side wall and the fourth side wall;

a guide groove provided on an inner side of the third side wall;

the counterweight block comprises an upper end surface, a lower end surface and a side surface, wherein two ends of the upper end surface are provided with first grooves; both ends of the lower end face are provided with first bosses matched with the first grooves; a second boss is arranged at the central part of the upper end face, the second boss is a hemispherical hollow boss, and a hook hole is formed in the second boss; the lower end face is also provided with a third groove matched with the second boss; two opposite side surfaces of the counterweight block are provided with second positioning holes, the counterweight block passes through the first positioning hole and the second positioning hole through bolts and is fixed on the counterweight frame, one side surface of the counterweight block is matched with the guide groove, and the counterweight block is embedded into the guide groove;

the through holes are arranged at two ends of the balancing weight and are straight-line holes penetrating through the first groove and the first boss;

and the steel strand penetrates through the through holes of the stacked balancing weights, and the two ends of the steel strand are screwed and fixed on the upper end surface and the lower end surface of the balancing weight by bolts.

The preferred scheme is as follows: the second positioning hole is formed in the center of the side face of the balancing weight.

The preferred scheme is as follows: the first boss is in a long strip shape.

The preferred scheme is as follows: the balancing weight is made of concrete.

The preferred scheme is as follows: the counterweight frame is made of steel.

The preferred scheme is as follows: the lifting hook hole is long waist-shaped.

The preferred scheme is as follows: and anti-skid grains are arranged on the inner wall of the lifting hook hole.

The preferred scheme is as follows: the balancing weight is in a strip shape.

The preferred scheme is as follows: first boss and first recess all set up four angles departments of balancing weight.

The utility model has the advantages that:

1. the utility model realizes horizontal limit of the balancing weight by arranging the proper bosses and grooves, thereby not only increasing the stability of the balancing weight, but also facilitating the stacking between the balancing weights;

2. the utility model is provided with a second boss which is provided with a hook hole, thereby facilitating the increase or decrease of the balancing weight;

3. the utility model is provided with the guide groove, which is convenient for the counterweight block to fall into the counterweight frame;

4. the utility model is provided with the first positioning hole on the counterweight frame, the second positioning hole on the counterweight block, and the bolt passes through the first positioning hole and the second positioning hole, so that the counterweight block is fixed on the counterweight frame, and the stability of the counterweight is further increased;

5. the utility model discloses a steel strand wires passes the through-hole on the balancing weight for balancing weight relative position is more stable, has guaranteed the holistic stability of counter weight device promptly.

Drawings

FIG. 1 is a schematic view of the structure of the center base and the connection base of the present invention;

fig. 2 is a side view of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to the specific situation for a user of ordinary skill in the art.

The utility model provides a hoist counter weight device, include: the weight rack 1 is of a square structure and comprises a first side wall 8, a second side wall 9, a third side wall 10 and a fourth side wall 11, wherein the first side wall 8 is opposite to the second side wall 9, the third side wall 10 is opposite to the fourth side wall 11, a plurality of first positioning holes are formed in the first side wall 8 and the second side wall 9 at intervals in the vertical direction, and the third side wall 10 is higher than the first side wall 8, the second side wall 9 and the fourth side wall 11;

a guide groove 12 provided on an inner side of the third side wall 10;

the counterweight block 2 comprises an upper end surface, a lower end surface and a side surface, wherein two ends of the upper end surface are provided with first grooves 3; both ends of the lower end face are provided with first bosses 4 matched with the first grooves 3; a second boss 5 is arranged at the central part of the upper end face, the second boss 5 is a hemispherical hollow boss, and a hook hole 6 is formed in the second boss 5; the lower end face is also provided with a third groove matched with the second boss 5; two opposite side surfaces of the counterweight block 2 are provided with second positioning holes, the counterweight block 2 passes through the first positioning hole and the second positioning hole through bolts and is fixed on the counterweight frame 1, one side surface of the counterweight block 2 is matched with the guide groove 12, and the counterweight block 2 is embedded into the guide groove 12; the through holes are arranged at two ends of the balancing weight and are straight-line holes penetrating through the first groove 3 and the first boss 4; and the steel strand 3 penetrates through the through holes of the stacked balancing weights 2, and two ends of the steel strand 3 are screwed and fixed on the upper end surface and the lower end surface of the balancing weights by bolts.

The utility model realizes horizontal limit of the balancing weight by arranging the proper bosses and grooves, thereby not only increasing the stability of the balancing weight, but also facilitating the stacking between the balancing weights; the utility model is provided with a second boss which is provided with a hook hole, thereby facilitating the increase or decrease of the balancing weight; the utility model is provided with the guide groove, which is convenient for the counterweight block to fall into the counterweight frame; the utility model is provided with the first positioning hole on the counterweight frame, the second positioning hole on the counterweight block, and the bolt passes through the first positioning hole and the second positioning hole, so that the counterweight block is fixed on the counterweight frame, and the stability of the counterweight is further increased; the utility model discloses a steel strand wires passes the through-hole on the balancing weight for balancing weight relative position is more stable, has guaranteed the holistic stability of counter weight device promptly.

In another embodiment, the second positioning hole is disposed at a center of a side surface of the weight block.

In another embodiment, the first boss 4 is a long bar.

In another embodiment, the weight member 2 is made of concrete.

In another embodiment, the weight rack 1 is made of steel.

In another embodiment, the hook hole 6 is long waist-shaped.

In another embodiment, the inner wall of the hook hole 6 is provided with anti-slip lines.

In another embodiment, the weight member 2 is a strip.

In another embodiment, the first bosses 4 and the first grooves 3 are disposed at four corners of the weight block 2.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A crane counterweight device, comprising:

a guide groove provided on an inner side of the third side wall;

the counterweight block comprises an upper end surface, a lower end surface and a side surface, wherein two ends of the upper end surface are provided with first grooves; both ends of the lower end face are provided with first bosses matched with the first grooves; a second boss is arranged at the central part of the upper end face, the second boss is a hemispherical hollow boss, and a hook hole is formed in the second boss; the lower end face is also provided with a third groove matched with the second boss, two opposite side faces of the balancing weight are provided with second positioning holes, the balancing weight penetrates through the first positioning hole and the second positioning hole through bolts and is fixed on the balancing weight frame, one side face of the balancing weight is matched with the guide groove, and the balancing weight is embedded into the guide groove;

2. The crane counterweight device as claimed in claim 1, wherein said second positioning hole is provided at a central position of a side surface of said counterweight.

3. A crane counterweight according to claim 1 in which said first boss is elongate.

4. The crane counterweight device of claim 1 wherein said counterweight is concrete.

5. A crane counterweight according to claim 1 in which the counterweight frame is of steel.

6. A crane counterweight according to claim 1 in which the hook opening is long kidney shaped.

7. A crane counterweight according to claim 6 in which the inner wall of the hook opening is provided with anti-slip threads.

8. The crane counterweight device of claim 1 wherein said counterweight is elongated.

9. The crane counterweight device of claim 8 wherein said first boss and said first recess are disposed at four corners of said counterweight.