CN216403654U

CN216403654U - Counterweight device and hoisting machinery

Info

Publication number: CN216403654U
Application number: CN202122588207.3U
Authority: CN
Inventors: 杨伟强
Original assignee: Hunan Sany Port Equipment Co Ltd; Sany Marine Heavy Industry Co Ltd
Current assignee: Hunan Sany Port Equipment Co Ltd; Sany Marine Heavy Industry Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-29
Anticipated expiration: 2031-10-26

Abstract

The application relates to the technical field of safe operation of hoisting machinery, in particular to a counterweight device and the hoisting machinery. The counterweight device includes: the box girder is internally provided with an installation cavity; the moving mechanism is partially arranged in the mounting cavity; and the balancing weight is arranged on one side of the moving mechanism extending out of the mounting cavity. Through partly setting up moving mechanism in the case roof beam, when needs remove the balancing weight, the action that owner needs pass through moving mechanism realizes at once, and when needs the balancing weight to withdraw, moving mechanism just can partly stretch into the installation intracavity to reduce the shared space of moving mechanism, also be favorable to improving the degree of integrating of moving mechanism and case roof beam simultaneously.

Description

Counterweight device and hoisting machinery

Technical Field

The application relates to the technical field of hoisting machinery, in particular to a counterweight device and hoisting machinery.

Background

The hoisting machinery belongs to engineering machinery equipment for high-altitude operation, and is mainly used for hoisting various objects such as containers, steel and the like, a hoisting end of the hoisting machinery generally bears larger load, and in order to ensure the overall balance, a balancing weight is arranged on one side far away from the hoisting end so as to balance the overall stress of the hoisting machinery.

Among the prior art, for the installation balancing weight, can add mounting structure in addition on hoisting machinery, for example welding mounting bracket etc. assemble balancing weight etc. in the mounting bracket again to realize the installation of balancing weight, the mounting structure who adds in addition often is bulky great, occupies great space, can lead to holistic hoisting machinery's structure to complicate.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a counterweight device and hoisting machinery, has solved or has improved the higher problem of hoisting machinery overall structure complexity.

In a first aspect, the present application provides a counterweight device comprising: the box girder is internally provided with an installation cavity; the moving mechanism is partially arranged in the mounting cavity; and the balancing weight is arranged on one side of the moving mechanism extending out of the mounting cavity.

The counter weight device that this application first aspect provided, through partly setting up moving mechanism in the case roof beam, when needs remove the balancing weight, main action that needs pass through moving mechanism realizes at once, and when needs the balancing weight to withdraw, moving mechanism just can partly stretch into the installation intracavity to reduce the shared space of moving mechanism, also be favorable to improving the degree of integrating of moving mechanism and case roof beam simultaneously.

With reference to the first aspect, in one possible implementation manner, the weight block is rotatably connected with the moving mechanism.

With reference to the first aspect, in a possible implementation manner, the weight block includes an upper weight block and a rear weight block, and the counterweight device further includes: the driving piece is movably connected to the moving mechanism; the turnover assembly is arranged on the moving mechanism, the rear balancing weight is connected with the turnover assembly, and the turnover assembly is connected with the driving piece to drive the rear balancing weight to turn over.

With reference to the first aspect, in one possible implementation manner, the flipping component includes: one end of the first connecting rod is movably connected with the moving mechanism, and the first connecting rod is movably connected with the driving piece; and the turnover part is rotatably connected to the moving mechanism, the turnover part is rotatably connected with the other end of the first connecting rod, and the rear balancing weight is arranged on the turnover part.

With reference to the first aspect, in a possible implementation manner, the flipping component further includes: the second connecting rod is rotatably connected to the moving mechanism; wherein, one end of the first connecting rod is rotatably connected with the second connecting rod.

With reference to the first aspect, in one possible implementation manner, the flipping unit includes: a support part fixed on the moving mechanism; the turnover part is rotatably connected with the supporting part, and the rear balancing weight is fixedly connected with the turnover part; and the connecting part is arranged on the overturning part, one end of the connecting part, which is far away from the overturning part, is bent to form a pushing part, and the pushing part is rotatably connected with the first connecting rod.

With reference to the first aspect, in one possible implementation manner, the moving mechanism includes: a power member having a telescopic portion; and the telescopic assembly is connected with the telescopic part, the telescopic assembly is in sliding connection with the box girder, and the balancing weight is arranged on the telescopic assembly.

With reference to the first aspect, in one possible implementation manner, the telescopic assembly includes: the two telescopic beams are oppositely arranged, the two telescopic beams are both connected with the telescopic parts, and an avoidance space is formed between the two telescopic parts; wherein, the power part is arranged in the avoiding space.

With reference to the first aspect, in one possible implementation manner, the telescopic beam is arranged in a hollow manner.

With reference to the first aspect, in a possible implementation manner, the telescopic assembly further includes: the supporting plate is fixed on the telescopic beam; wherein, go up the balancing weight with back balancing weight respectively with the backup pad can dismantle the connection.

In a second aspect, the present application further provides a hoisting machine, comprising: a chassis; and a counterweight device according to the first aspect of the present application, provided on the chassis.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 is a schematic structural view of a counterweight device according to some embodiments of the present disclosure.

Fig. 2 is a schematic structural view of a box girder and a moving mechanism according to some embodiments of the present application.

FIG. 3 is an enlarged view of portion A of some embodiments of the present application.

FIG. 4 is a schematic view of the telescoping assembly and power member of some embodiments of the present application.

Detailed Description

The technical solutions in 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 obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Summary of the application

The hoisting machinery belongs to engineering machinery equipment for high-altitude operation, and is mainly used for the operation processes such as hoisting, for example, the hoisting of objects such as containers, steel products and the like. It mainly comprises a lifting arm, a cab and the like. When in hoisting, the hoisting arm is operated through the cab to hoist the object. When the dead weight of the object is large, the lifting arm can be subjected to large pulling force, and in order to keep the balance of the whole lifting machine, a corresponding balancing weight is generally arranged at one end, far away from the lifting arm, of a cab. But when the weight of the lifted object is inconsistent, the requirement on the balancing weight can be changed. Therefore, in order to ensure the maximum hoisting amplitude of the hoisting machine, the weight of the counterweight needs to be large enough, so that the self weight of the whole equipment can be increased, the size of the whole equipment can be increased, and the corresponding hoisting operation is not facilitated.

In the prior art, in order to reduce the size and the volume of the counterweight block, an independent mounting structure is usually added on the hoisting machine, and the counterweight block can be driven to move through the mounting structure, so that the distance between the counterweight block and a cab is adjusted to correspond to the dead weight of different objects. However, the mounting structure is often large in size and large in structure in order to ensure sufficient strength, and the space occupied on the hoisting machine is large, which complicates the structure of the entire hoisting machine.

The application provides a counterweight device and a hoisting machine, and the moving mechanism and a box girder are integrated, so that the structural characteristics of the hoisting machine are effectively utilized, the used structure is reduced, the space occupied by the moving mechanism is also reduced, and the complexity of the whole structure of the hoisting machine is effectively reduced; simultaneously all set up a plurality of balancing weights on moving mechanism, can ensure the synchronous motion of a plurality of balancing weights, partial balancing weight can also take place to overturn according to the operation requirement of reality.

Having briefly described the principles of the present application, various non-limiting embodiments of the present application are described below with reference to the accompanying drawings.

Exemplary counterweight device

Fig. 1 is a schematic structural view of a counterweight device according to some embodiments of the present disclosure. Fig. 2 is a schematic structural view of a box girder and a moving mechanism according to some embodiments of the present application. Referring to fig. 1 and 2, the weight device includes: a box girder 100, a moving mechanism 200, and a weight 300. The box girder 100 has a mounting cavity 120 therein. The moving mechanism 200 is partially disposed in the mounting chamber 120. The weight block 300 is disposed at a side of the moving mechanism 200 protruding out of the mounting chamber 120 such that the position of the configuration block 300 is changed in synchronization with the movement of the moving mechanism 200.

Specifically, the box girder 100 is a structural member on a chassis of the hoisting machine, two box girders 100 are provided, two box girders 100 are oppositely provided, and the box girders 100 are hollow inside to form the installation cavity 120.

In this counter weight device use, through installation cavity 120 and moving mechanism 200's cooperation, set up balancing weight 300 and moving mechanism 200 on the chassis, moving mechanism 200 is located installation cavity 120 partially to reduced the space that moving mechanism 200 occupy, still improved the degree of integrating of moving mechanism 200 and chassis simultaneously, reduced the holistic complexity of jack-up machinery effectively.

In some embodiments of the present application, the weight 300 is rotatably connected to the moving mechanism 200. Specifically, the counterweight 300 can be rotationally connected with the moving mechanism 200 through a structure such as a matching structure of a rotating shaft and a hydraulic cylinder, so that the counterweight 300 can be lowered under a certain condition to be overturned, the gravity center of the counterweight 300 can be changed, and the stress condition of the whole equipment can be changed.

FIG. 3 is an enlarged view of portion A of some embodiments of the present application. Referring to fig. 1 and 3, in some embodiments of the present application, the weight 300 includes a top weight 310 and a rear weight 320. The counterweight device also includes a driver 230 and a flipper assembly 240. The driving member 230 is movably connected to the moving mechanism 200. The tilting assembly 240 is disposed on the moving mechanism 200, the rear weight block 320 is connected to the tilting assembly 240, and the tilting assembly 240 is connected to the driving member 230 to drive the rear weight block 320 to tilt.

Specifically, the driving member 230 may be rotatably connected to an end of the moving mechanism 200 located outside the mounting cavity 120 through a hinge support. The rear weight block 320 is a cuboid, and before the rear weight block 320 is turned, the long side of the rear weight block 320 keeps in a vertical direction, and after the rear weight block 320 is turned, the long side of the rear weight block keeps in a horizontal direction.

When the counterweight 300 needs to be driven to move, the rear counterweight 320 and the upper counterweight 310 can be driven to move simultaneously by the moving mechanism 200. When the rear weight block 320 needs to be driven to turn over, the driving member 230 is utilized to generate power to push the turning assembly 240 to move, so that the turning assembly 240 drives the rear weight block 320 to turn over, and meanwhile, the driving member 230 rotates along with the rear weight block to turn over the rear weight block 320. After the rear balance weight 320 overturns, because the gravity center position changes, the stress condition can be correspondingly changed, and meanwhile, the pedal structure can also be used as an operator, so that the operator can conveniently climb to the upper part of the box girder 100.

Referring to fig. 3, in some embodiments of the present application, the flipper assembly 240 includes a first link 242 and a flipper 243. One end of the first link 242 is movably connected to the moving mechanism 200, and the first link 242 is movably connected to the driving member 230. The turning member 243 is rotatably connected to the moving mechanism 200, the turning member 243 is rotatably connected to the other end of the first link 242, and the rear weight member 320 is disposed on the turning member 243, for example, one side of the rear weight member 320 close to the ground is fixedly connected to the turning member 243.

Specifically, the driving member 230 may be a hydraulic cylinder having a piston rod and a cylinder body, the cylinder body is rotatably connected to the moving mechanism 200, the piston rod is rotatably connected to the first link 242 through a rotating shaft, and a connection point of the piston rod and the first link 242 is located between two ends of the first link 242.

When the rear weight block 320 needs to be driven to turn over, the piston rod of the driving member 230 extends out to push the first connecting rod 242 to move, the first connecting rod 242 drives the turning member 243 to turn over when moving, and the turning member 243 can drive the rear weight block 320 to rotate when turning over, so that the rear weight block 320 can be turned over.

Referring to fig. 3, in some embodiments of the present application, flipping assembly 240 further comprises: and a second link 241. The second link 241 is rotatably connected to the moving mechanism 200. Wherein, one end of the first link 242 is rotatably connected to the second link 241.

Specifically, a rotating shaft is fixed on the moving mechanism 200, one end of the second connecting rod 241 is welded with a lantern ring, and the lantern ring is sleeved on the rotating shaft so as to realize the rotating connection between the second connecting rod 241 and the moving mechanism 200. Two lantern rings are welded at the other end of the second connecting rod 241, the two lantern rings are oppositely arranged, a connecting ring is welded on the end wall of the first connecting rod 242, the connecting ring is inserted between the two lantern rings, and a rotating shaft is inserted in the lantern rings and the connecting ring so as to realize the rotating connection of the second connecting rod 241 and the first connecting rod 242.

When the rear weight member 320 needs to be turned over, the movement of the first connecting rod 242 pulls the second connecting rod 241 to rotate, so that the first connecting rod 242 moves down along the arc track, the turning member 243 is extruded during the downward movement of the first connecting rod 242, and the turning member 243 rotates along the arc track, thereby driving the rear weight member 320 to turn over.

Referring to fig. 3, in some embodiments of the present application, the flipper 243 includes: a support portion 2431, a turn-over portion 2432, and a connecting portion 2433. The support parts 2431 are fixed on the moving mechanism 200, and specifically, two support parts 2431 may be provided, and each support part 2431 is made of a rectangular iron block, so as to weld the support parts 2431 on the moving mechanism 200 directly.

Upset portion 2432 rotates with supporting part 2431 to be connected, rear balance weight 320 and upset portion 2432 fixed connection, specifically, runs through on the supporting part 2431 and has seted up the commentaries on classics hole, and upset portion 2432 adopts the cross-sectional shape to be circular pivot, and upset portion 2432 passes the commentaries on classics hole, fixes a support on the rear balance weight 320, and the support welding is on upset portion 2432.

The connecting portion 2433 is disposed on the turning portion 2432, one end of the connecting portion 2433 away from the turning portion 2432 is bent to form a pushing portion 2434, and the pushing portion 2434 is rotatably connected to the first link 242. Specifically, the connecting portion 2433 also adopts a rotating shaft with a circular cross section, and the connecting portion 2433 and the turning portion 2432 may be integrally manufactured or may be welded together. An end of the connecting portion 2433 remote from the turning portion 2432 is bent toward a side close to the moving mechanism 200, and an axis of the pushing portion 2434 is formed parallel to and in the same plane as an axis of the turning portion 2432. One end of the first link 242, which is far away from the second link 241, is welded with a rotating ring, and the rotating ring is sleeved on the pushing portion 2434, so as to realize the rotating connection between the first link 242 and the pushing portion 2434.

When the first connecting rod 242 moves, the first connecting rod 242 presses the pushing portion 2434, the pushing portion 2434 drives the turning portion 2432 to rotate through the connecting portion 2433, the turning portion 2432 turns relative to the supporting portion 2431, the rear weight block 320 is fixed on the turning portion 2432, and when the turning portion 2432 rotates, the rear weight block 320 rotates accordingly to complete the turning of the rear weight block 320.

FIG. 4 is a schematic view of the telescoping assembly and power member of some embodiments of the present application. Referring to fig. 1 and 4, in some embodiments of the present application, a movement mechanism 200 includes: a power member 210 and a telescoping assembly 220. The power member 210 has a telescopic portion. The telescopic assembly 220 is connected with the telescopic part, the telescopic assembly 220 is connected with the box girder 100 in a sliding way, and the balancing weight 300 is arranged on the telescopic assembly 220.

Specifically, the power element 210 is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is a telescopic portion. One end of the telescopic assembly 220 is slidably connected to the mounting cavity 120, and the weight block 300 is disposed at the other end of the telescopic assembly 220.

When the weight block 300 needs to be driven to move, the power member 210 generates power, the telescopic portion extends or contracts, the telescopic assembly 220 moves along with the extension or contraction of the telescopic portion, and the weight block 300 is driven to move when the telescopic assembly 220 moves.

In some embodiments of the present application, the retraction assembly 220 comprises: two telescoping beams 221. Two flexible roof beams 221 set up relatively, and two flexible roof beams 221 all are connected with the pars contractilis, form between two pars contractilis and dodge the space. Wherein the power member 210 is disposed in the avoidance space.

Specifically, flexible roof beam 221 axis is the L type and extends, and two flexible roof beams 221 form the flexible subassembly 220 that is the U type, and flexible roof beam 221 includes short arm and long arm promptly, and two short arms splice each other, and two long arms are sliding connection respectively in two installation cavity 120. And the power part 210 is arranged in the avoiding space, and the telescopic part is fixedly connected with the two short arms.

When the telescopic beam 221 needs to be driven to move, the telescopic part pushes the two short arms to move, and the short arms can pull the long arms to slide in the installation cavity 120, so that the telescopic beam 221 can be driven to move telescopically. The escape space may provide space for installation of the power member 210, and may also provide space for installation of other structures.

Referring to fig. 4, in some embodiments of the present application, the telescoping beams 221 are hollow. The telescopic beam 221 is made of steel, and the hollow arrangement of the telescopic beam can effectively reduce the overall dead weight, so that the dead weight of the hoisting machinery is reduced.

Referring to fig. 3 and 4, in some embodiments of the present application, retraction assembly 220 further comprises: a support plate 222. The support plate 222 is fixed to the telescopic beam 221. Wherein, the upper balance weight 310 and the rear balance weight 320 are detachably connected to the supporting plate 222, respectively.

Specifically, the supporting plate 222 may be disposed between two short arms of the two telescopic beams 221, and two sides of the supporting plate 222 are fixed to the two short arms respectively by welding. And the support plate 222 includes a horizontal surface and a vertical surface to which the piston rod of the power member 210 is fixedly coupled. The upper balance weight 310 is detachably coupled to the horizontal plane by means of bolts, and the rear balance weight 320 is detachably coupled to the vertical plane by means of bolts when not turned.

By providing the supporting plate 222, the strength of the connection structure between the upper balance weight 310 and the telescopic beam 221 can be improved, so as to improve the structural stability of the upper balance weight 310. Meanwhile, the connection strength between the rear weight block 320 and the telescopic beam 221 can be improved, and the possibility that the rear weight block 320 turns over by itself is reduced.

Exemplary hoisting machine

The hoisting machine comprises a chassis and the counterweight device of any one of the embodiments described above. The counterweight device is arranged on the chassis.

When the hoisting machinery operates, reasonable stress balance adjustment can be achieved through the counterweight device, and the complexity of the overall structure of the hoisting machinery can be reduced.

Since the hoisting machine is provided with the counterweight device, the hoisting machine has all the technical effects of the counterweight device, and is not described herein again.

The hoisting machine in the embodiment of the present application may include various hoisting vehicles such as a head crane.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A counterweight device, characterized in that said counterweight device comprises:

the box girder (100), wherein the box girder (100) is provided with a mounting cavity (120) therein;

a moving mechanism (200) partially disposed in the mounting cavity (120); and

and the balancing weight (300) is arranged on one side of the moving mechanism (200) extending out of the mounting cavity (120).

2. A counterweight device according to claim 1, characterized in that said counterweight (300) is rotatably connected to the moving mechanism (200).

3. A balancing device according to claim 1 or 2, wherein the weight block (300) comprises a top weight block (310) and a rear weight block (320), the balancing device further comprising:

the driving piece (230) is movably connected to the moving mechanism (200);

the overturning assembly (240) is arranged on the moving mechanism (200), the rear balancing weight (320) is connected with the overturning assembly (240), and the overturning assembly (240) is connected with the driving piece (230) to drive the rear balancing weight (320) to overturn.

4. A counterweight device according to claim 3, characterized in that said overturning assembly (240) comprises:

a first connecting rod (242), one end of which is movably connected with the moving mechanism (200), and the first connecting rod (242) is movably connected with the driving piece (230); and

the overturning part (243) is rotatably connected to the moving mechanism (200), the overturning part (243) is rotatably connected with the other end of the first connecting rod (242), and the rear balancing weight (320) is arranged on the overturning part (243).

5. The counterweight device according to claim 4, characterized in that said overturning assembly (240) further comprises:

a second connecting rod (241) rotatably connected to the moving mechanism (200);

wherein one end of the first connecting rod (242) is rotatably connected with the second connecting rod (241).

6. The counterweight device according to claim 4, characterized in that said overturned member (243) comprises:

a support part (2431) fixed to the moving mechanism (200);

the overturning part (2432) is rotatably connected with the supporting part (2431), and the rear balancing weight (320) is fixedly connected with the overturning part (2432); and

a connecting part (2433) disposed on the turning part (2432), wherein one end of the connecting part (2433) far away from the turning part (2432) is bent to form a pushing part (2434), and the pushing part (2434) is rotatably connected with the first connecting rod (242).

7. A counterweight device according to claim 3, characterized in that said moving mechanism (200) comprises:

a power member (210) having an expansion section; and

the telescopic assembly (220) is connected with the telescopic part, the telescopic assembly (220) is in sliding connection with the box girder (100), and the balancing weight (300) is arranged on the telescopic assembly (220).

8. The counterweight device according to claim 7, characterized in that said telescopic assembly (220) comprises:

the two telescopic beams (221) are oppositely arranged, the two telescopic beams (221) are connected with the telescopic parts, and an avoidance space is formed between the two telescopic parts;

wherein, the power part is arranged in the avoiding space.

9. Counterweight device according to claim 8, characterized in that said telescopic beams (221) are hollow.

10. The counterweight device according to any of claims 8 to 9, characterized in that the telescopic assembly (220) further comprises:

a support plate (222) fixed to the telescopic beam (221);

the upper balancing weight (310) and the rear balancing weight (320) are detachably connected with the supporting plate (222) respectively.

11. A hoisting machine, characterized in that it comprises:

a chassis; and

the counterweight device of any one of claims 1 to 10 disposed on the chassis.