CN219792288U

CN219792288U - Counter-deformation counterweight device for realizing two directions in plane

Info

Publication number: CN219792288U
Application number: CN202320361797.2U
Authority: CN
Inventors: 张伟龙; 赵瑞学; 刘乐; 吴振魁
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-03
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a counter-deformation counterweight device for realizing two directions in a plane, which comprises a turntable, a counterweight bottom plate and a counterweight block, wherein the counterweight bottom plate comprises a counterweight bottom plate hanging point, a counterweight bottom plate upper surface, a counterweight bottom plate lower surface and a counterweight bottom plate hanging plate; the upper surface of the counterweight bottom plate is obliquely arranged in the X and Y directions of the horizontal plane, and the counterweight blocks are arranged on the upper surface of the counterweight bottom plate; the counterweight bottom plate hanging plate is vertically arranged on one side of the upper surface of the counterweight bottom plate, and a counterweight bottom plate hanging point is arranged on the outer side of the counterweight bottom plate hanging plate and used for being connected with the turntable. The counter-deformation counterweight device provides a counter-deformation method, namely, the deformation of the deflection of the turntable under the full working condition is reserved in the X and Y directions of the horizontal plane of the counterweight, so that the upper surface of the connection of the counterweight bottom plate and the counterweight is still horizontal even under the full working condition, the problem of the deflection of the counterweight in the X and Y directions in the horizontal plane is solved, and the operation safety of the crane is improved.

Description

Counter-deformation counterweight device for realizing two directions in plane

Technical Field

The utility model relates to the technical field of crane balancing weights, in particular to a counter-deformation balancing weight device for realizing two directions in a plane.

Background

Along with the economic development of China, the requirements of the market on the hoisting performance of the crane are higher and higher, the hoisting capacity is determined by the size of the counterweight moment, and the total weight of the counterweight is also continuously increased. The turntable structure is a plate shell structure, and the front section of the turntable is connected with the bottom plate through a slewing bearing. The balancing weight is hung at the tail part of the rotary table, and the rotary table bears bending load. Because the super-tonnage turntable has longer length and the working condition of the balance weight is heavy, the tail structure of the turntable can flex downwards. The counterweight system consists of a bracket and two side combined counterweight blocks. Under the working condition of full counterweight, the crane has the maximum hoisting performance, so the safety of the counterweight rotation process needs to be ensured.

The counterweight system is a counterweight mechanism hung behind the turntable of the crane and consists of an oil cylinder, a counterweight block, a counterweight bottom plate and a hydraulic system. The counterweight bottom plate is a main bearing part in a counterweight system and is assembled with a counterweight bracket through a pin shaft. In the process of slewing crane weight, the reliability and the safety of the counterweight system are lower.

In the prior art, patent CN212503734U, the counter-deformation counterweight bottom plate upper surface is inclined plane structural style: a front low and rear high structural form; the lower surface of the bottom plate is in a plane structure, only one direction of the reverse deformation in the horizontal plane is realized, the downwarping phenomenon in one direction is eliminated, and the problem of safety reduction caused by downwarping in the other direction is not eliminated.

Disclosure of Invention

Aiming at the technical defects, the utility model aims to provide a counter-deformation counterweight device for realizing two directions in a plane, which provides a counter-deformation method, namely, the deformation of the lower deflection of a turntable under all working conditions is reserved in the X and Y directions of the horizontal plane of the counterweight, so that the upper surface of the connection of a counterweight bottom plate and the counterweight is still horizontal even under all working conditions, and the lower deflection phenomenon of the tail part of the turntable is eliminated.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a counter-deformation counterweight device for realizing two directions in a plane, which comprises a turntable, a counterweight bottom plate and a counterweight block, wherein the counterweight bottom plate comprises a counterweight bottom plate hanging point, a counterweight bottom plate upper surface, a counterweight bottom plate lower surface and a counterweight bottom plate hanging plate;

the upper surface of the counterweight bottom plate is obliquely arranged in the X and Y directions of a horizontal plane, and the counterweight block is arranged on the upper surface of the counterweight bottom plate; the counterweight bottom plate hanging plate is vertically arranged on one side of the upper surface of the counterweight bottom plate, and the outer side of the counterweight bottom plate hanging plate is provided with the counterweight bottom plate hanging point for connecting the turntable.

Further, the upper surface of the counterweight bottom plate is integrally inclined upwards from the rotation center of the rotary table, and the inclined upwards angle is calculated according to all working conditions.

Further, the X and Y directions of the upper surface of the counterweight bottom plate are inclined upwards from the side close to the turntable to the side far from the turntable.

Further, the plane connecting the counterweight bottom plate and the counterweight blocks is an arch surface inclined upwards in the whole X and Y directions.

Further, the plane connecting the balance weight bottom plate and the balance weight is a step surface inclined upwards in the whole X and Y directions.

Further, the plane where the balance weight bottom plate is connected with the balance weight is formed by splicing a plurality of planes which are obliquely upwards in the X direction and the Y direction.

Further, the turntable is higher than the counterweight bottom plate.

Further, baffles are arranged at the front side, the rear side and the middle of the balancing weight bottom plate, and the balancing weights are arranged at the left side and the right side of the balancing weight bottom plate.

The utility model has the beneficial effects that: in order to eliminate the downwarping phenomenon of the tail part of the turntable, an anti-deformation method is provided, namely, the downwarping deformation of the turntable under the full working condition is reserved in the X and Y directions of the horizontal plane of the counterweight, so that the upper surface of the connection between the bottom plate of the counterweight and the counterweight is still horizontal even under the full working condition, the downwarping problem of the counterweight in the X and Y directions in the horizontal plane is solved, and the operation safety of the crane is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, 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 front view of a counter-deformation balance weight device according to embodiment 1, which is configured to implement two directions in a plane;

FIG. 2 is a schematic side view of a counter-deformation counterweight device according to embodiment 1, in which two directions in a plane are realized;

FIG. 3 is a schematic front view of the counterweight bottom plate of embodiment 1;

FIG. 4 is a schematic side view of the counterweight bottom plate of example 1;

FIG. 5 is a schematic perspective view of the counterweight bottom plate provided in embodiment 5;

FIG. 6 is a schematic front view of a counter-deformation balance weight device according to embodiment 5, which is configured to implement two directions in a plane;

FIG. 7 is a schematic side view of a counter-deformation balance weight device according to embodiment 5, which is configured to realize two directions in a plane;

reference numerals illustrate:

1. a turntable; 2. a counterweight bottom plate; 3. balance weights; 201. a counterweight bottom plate hanging point; 202. the upper surface of the balancing weight bottom plate; 203. the lower surface of the counterweight bottom plate; 204. and a counterweight bottom plate hanging plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Example 1

As shown in fig. 1 to 4, a counter-deformation balancing weight apparatus for realizing two directions in a plane includes a turntable 1, a balancing weight base plate 2, and a balancing weight 3, the balancing weight base plate 2 includes a balancing weight base plate hanging point 201, a balancing weight base plate upper surface 202, a balancing weight base plate lower surface 203, and a balancing weight base plate hanging plate 204, the balancing weight base plate hanging plate 204 is vertically installed at one side of the balancing weight base plate upper surface 202, and the balancing weight base plate hanging point 201 is installed at the outer side of the balancing weight base plate hanging plate 204.

The turntable 1 is connected with one side of the counterweight bottom plate 2 through a counterweight bottom plate hanging point 201, the turntable 1 is higher than the counterweight bottom plate 2, the counterweight block 3 is arranged on the counterweight bottom plate 2, the upper surface 202 of the counterweight bottom plate is obliquely arranged in the X and Y directions of the horizontal plane, the upper surface 202 of the counterweight bottom plate is one side for placing the counterweight block 3, when the turntable 1 is not connected, the X and Y directions of the upper surface of the counterweight bottom plate 2 are obliquely upwards in the direction of one side, close to the turntable 1, far away from the turntable 1, and the obliquely upwards angle is calculated according to all working conditions.

The counter deformation is performed starting from the center of rotation of the turntable 1, that is, the entire inclination upward starting from the center of rotation of the turntable 1 is not limited to the counter deformation upward of the plane to which the counterweight bottom plate 2 and the counterweight block 3 are connected.

In order to eliminate the downwarping phenomenon of the tail part of the turntable, the utility model provides a reverse deformation method, namely, the downwarping deformation of the turntable 1 under the full working condition is reserved in the X and Y directions of the horizontal plane of the balance weight 3, so that the upper surface of the balance weight bottom plate 2 connected with the balance weight 3 is still horizontal even under the full working condition, the downwarping problem of the balance weight 3 in the X and Y directions in the horizontal plane is solved, and the operation safety of the crane is improved.

Example 2

As in embodiment 1, the plane connecting the counterweight bottom plate 2 and the counterweight 3 is changed into an arch surface inclined upward as a whole.

Example 3

As in embodiment 1, the plane connecting the counterweight bottom plate 2 and the counterweight 3 is changed to an integrally inclined upward stepped surface.

Example 4

In the same way as in embodiment 1, the plane where the counterweight bottom plate 2 and the counterweight 3 are connected is changed into a plurality of planes which are obliquely upward and are spliced.

Example 5

As shown in fig. 5 to 7, the balancing weights 3 are installed on the left and right sides of the balancing weight base plate 2, and the front and rear sides and the middle of the balancing weight base plate 2 are provided with baffles as in examples 1 to 4.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A counter-deformable balancing weight device for realizing two directions in a plane, characterized in that: the device comprises a turntable (1), a balancing weight bottom plate (2) and a balancing weight block (3), wherein the balancing weight bottom plate (2) comprises a balancing weight bottom plate hanging point (201), a balancing weight bottom plate upper surface (202), a balancing weight bottom plate lower surface (203) and a balancing weight bottom plate hanging plate (204);

the upper surface (202) of the counterweight bottom plate is obliquely arranged in the X and Y directions of the horizontal plane, and the counterweight block (3) is arranged on the upper surface (202) of the counterweight bottom plate; the balancing weight bottom plate hanging plate (204) is vertically arranged on one side of the upper surface (202) of the balancing weight bottom plate, and the balancing weight bottom plate hanging joint (201) is arranged on the outer side of the balancing weight bottom plate hanging plate (204) and used for being connected with the turntable (1).

2. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the upper surface (202) of the counterweight bottom plate is integrally inclined upwards from the rotation center of the rotary table (1), and the inclined upwards angle is calculated according to all working conditions.

3. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the X and Y directions of the upper surface (202) of the counterweight bottom plate are inclined upwards from the side close to the turntable (1) to the side far away from the turntable (1).

4. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the plane where the balance weight bottom plate (2) and the balance weight (3) are connected is an arch surface which is inclined upwards in the whole X and Y directions.

5. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the plane where the balance weight bottom plate (2) and the balance weight (3) are connected is a step surface inclined upwards in the whole X and Y directions.

6. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the plane where the balance weight bottom plate (2) and the balance weight (3) are connected is formed by splicing a plurality of planes which are obliquely upwards in the X and Y directions.

7. A counter-deforming balance weight device for achieving two directions in a plane according to claim 1, wherein: the turntable (1) is higher than the counterweight bottom plate (2).

8. A counter-deforming balancing weight device for achieving two directions in a plane according to any one of claims 1 to 7, wherein: the front side, the rear side and the middle part of the balancing weight bottom plate (2) are provided with baffle plates, and the balancing weights (3) are arranged on the left side and the right side of the balancing weight bottom plate (2).