CN217102757U

CN217102757U - Lifting device and crane

Info

Publication number: CN217102757U
Application number: CN202220216509.XU
Authority: CN
Inventors: 朱松林; 胡西云; 林宏超
Original assignee: Sany Automobile Hoisting Machinery Co Ltd
Current assignee: Sany Automobile Hoisting Machinery Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-02
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to a hoist and mount machinery provides a hoisting device and hoist, including running gear and hoisting mechanism, running gear is used for removing with the girder of hoist and is connected, and hoisting mechanism is connected through rotating connection structure with running gear. The travelling mechanism is used for driving the lifting mechanism to move transversely along the main beam, when crosswind or other external forces are met in the working process, the heavy object can apply pulling force along the extending direction of the steel wire rope to the lifting mechanism through the steel wire rope, the lifting mechanism rotates relative to the travelling mechanism through the rotating connecting structure under the action of the pulling force, and the problem that the rigid connecting structure between the lifting mechanism and the travelling mechanism deforms or even breaks when the lifting mechanism shakes in the prior art is solved.

Description

Lifting device and crane

Technical Field

The utility model relates to a hoist and mount machinery technical field especially relates to a play to rise device and hoist.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The cranes are of various types, one of which is a portal crane, also called a gantry crane, and are mainly used for loading and unloading operations of outdoor goods yards. In order to realize the horizontal movement of the heavy object, a walking mechanism is arranged on a main beam of the crane. Meanwhile, for hoisting a heavy object, a hoisting mechanism is arranged on the main beam, so that the vertical lifting of the steel wire rope and the lifting hook is realized.

In the prior art, a travelling mechanism is movably arranged on a main beam of a crane, and a hoisting mechanism is directly and rigidly connected to the travelling mechanism through a connecting flat plate. In the hoisting process, if crosswind or external force acts on a heavy object or a hoisting mechanism, the hoisting mechanism and the steel wire rope can shake, and the fixing structure for fixing the hoisting mechanism can be acted by horizontal force. If the gantry crane works in working environments such as strong wind for a long time, the fixed structure is easy to bend and deform and even has the possibility of direct fracture.

SUMMERY OF THE UTILITY MODEL

The utility model provides a play to rise device and hoist for solve among the prior art hoisting mechanism and running gear pass through rigid structure and be connected, hoisting mechanism rocks for a long time and can lead to connection structure bending deformation or cracked defect, realizes hoisting mechanism and running gear and rotates the effect of being connected.

The utility model provides a play to rise device, include:

the travelling mechanism is used for being movably connected with a main beam of the crane;

and the hoisting mechanism is connected with the travelling mechanism through a rotary connecting structure.

According to the utility model provides a pair of play to rise device, it is ball hinge mechanism to rotate connection structure, ball hinge mechanism's one end with running gear connects, ball hinge mechanism's the other end with it connects to lift by crane the mechanism.

According to the utility model provides a pair of play to rise device, ball hinge mechanism includes ball seat, bulb and connecting piece, the ball seat with running gear connects, the bulb sets up in the ball seat, the one end of connecting piece with the connection can be dismantled to the bulb, just the connecting piece is kept away from the one end of bulb with it connects to lift by crane the mechanism.

According to the utility model provides a pair of play to rise device, work as ball hinge mechanism includes when two, the connecting piece with running gear is articulated, and rotation axis is along the horizontal direction and with two ball hinge mechanism's the direction of arranging is perpendicular.

According to the utility model provides a pair of hoisting device, the ball seat includes connecting portion and installation department, the one end of connecting portion with the installation department is connected, the other end of connecting portion with running gear connects, be provided with on the installation department and run through the mounting hole of installation department, the internal diameter of mounting hole is less than the external diameter of bulb, the rotatable setting of bulb is in the mounting hole is close to one side of connecting portion, the connecting piece is in the mounting hole is kept away from one side of connecting portion with the bulb is connected.

According to the utility model provides a pair of play to rise device, it is the cardan shaft to rotate connection structure, the one end of cardan shaft with running gear connects, the other end of cardan shaft with it connects to lift by crane the mechanism.

According to the utility model provides a pair of play to rise device, running gear is including walking frame and drive arrangement, walking frame with the girder of hoist removes the connection, drive arrangement is used for the drive walking frame is followed the girder removes, rotate connection structure with walking frame connects.

According to the utility model provides a pair of play to rise device, the walking frame includes:

the frame body comprises two side plates and a connecting rod, the two side plates are respectively arranged on two sides of the main beam, and the connecting rod is connected between the two side plates;

the idler wheel is arranged between the side plate and the main beam and rolls along the extending direction of the main beam.

According to the utility model provides a pair of play to rise device, drive arrangement includes motor and drive wheel, the motor sets up one of them on the curb plate, just the drive shaft of motor passes the curb plate with the drive wheel transmission is connected, the drive wheel with girder roll connection.

The utility model also provides a crane, include as above arbitrary one play to rise the device.

The utility model provides a lifting device, including running gear and hoisting mechanism, running gear is used for removing with the girder of hoist and is connected, and hoisting mechanism is connected through rotating connection structure with running gear. The travelling mechanism is used for driving the lifting mechanism to move transversely along the main beam, when crosswind or other external forces are met in the working process, the heavy object can apply pulling force along the extending direction of the steel wire rope to the lifting mechanism through the steel wire rope, the lifting mechanism rotates relative to the travelling mechanism through the rotating connecting structure under the action of the pulling force, and the problem that the rigid connecting structure between the lifting mechanism and the travelling mechanism deforms or even breaks when the lifting mechanism shakes in the prior art is solved.

Further, the utility model provides a crane, owing to have as above the play to rise device, consequently, has the same advantage as above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a mounting structure diagram of a lifting device provided by the utility model;

fig. 2 is a top view of a hoist provided by the present invention;

fig. 3 is a schematic structural view of the ball hinge mechanism provided by the present invention;

fig. 4 is an exploded view of the ball hinge mechanism provided by the present invention;

fig. 5 is a schematic three-dimensional structure diagram of the universal shaft provided by the present invention;

FIG. 6 is an exploded view of the cardan shaft provided by the present invention;

reference numerals: 100: a main beam; 211: a connecting plate; 212: mounting a plate; 213: mounting holes; 221: a ball head; 222: a connecting member; 300: an ear plate; 411: a side plate; 412: a connecting rod; 413: a roller; 421: a motor; 422: a drive wheel; 500: hoisting; 610: a first universal joint; 611: a first universal joint fork; 612: a first shaft hole; 620: a second universal joint; 621: a second yoke; 622: a second shaft hole; 630: a cross shaft; 631: a first connecting shaft; 632: and a second connecting shaft.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The hoisting device and the crane of the present invention will be described with reference to fig. 1 to 6.

The utility model provides a play to rise device, this play to rise device uses on the hoist, especially can use at gantry crane, is the portal crane. The lifting device comprises a travelling mechanism and a lifting mechanism. The traveling mechanism is used for being movably connected with a main beam 100 of the gantry crane, and the traveling mechanism can horizontally move along the extending direction of the main beam 100. The hoisting mechanism is connected with the traveling mechanism through a rotating connection structure. Further, the lifting mechanism is suspended at the bottom of the traveling mechanism through the rotating connection structure, and when the traveling mechanism moves horizontally along the main beam 100, the lifting mechanism is driven to move horizontally.

When cross wind or other external force is met in the working process, the heavy object can apply pulling force along the extending direction of the steel wire rope to the hoisting mechanism through the steel wire rope, and when the pulling force has horizontal component force, the hoisting mechanism rotates relative to the traveling mechanism through the rotating connecting structure under the action of the horizontal component force. In the prior art, the hoisting mechanism and the traveling mechanism are connected by adopting a rigid connection structure, the hoisting mechanism and the traveling mechanism are relatively fixed, and when external force is large, the rigid connection structure can deform or even break. And the utility model discloses hoisting accessory rotates with running gear and is connected, can effectively solve above-mentioned problem.

In an embodiment of the present invention, the above-mentioned rotating connection structure can be a ball hinge mechanism, the top end of the ball hinge mechanism can be connected with the bottom of the traveling mechanism, and the bottom end of the ball hinge mechanism can be connected with the hoisting mechanism. The ball hinge mechanism can realize rotation in all directions, so that when the lifting mechanism is subjected to horizontal external force from any direction, the relative rotation of the lifting mechanism and the travelling mechanism can be realized through the ball hinge mechanism.

In a further embodiment, the ball hinge mechanism includes a ball seat, a ball head 221 and a connecting member 222, a top of the ball seat may be connected to a bottom of the walking mechanism, the ball head 221 is disposed in the ball seat, the ball head 221 may rotate in the ball seat with a center of sphere as an origin, one end of the connecting member 222 may be detachably connected to the ball head 221, and one end of the connecting member 222 away from the ball head 221 is connected to the hoisting mechanism.

It should be noted that the ball seat may include a connection portion and a mounting portion, the connection portion may include two connection plates 211 arranged in parallel, the mounting portion may be a mounting plate 212 arranged perpendicular to the connection portion, the mounting plate 212 is connected to the bottom of the two connection plates 211, and the two connection plates 211 are respectively located on two sides of the mounting plate 212. The top of the connecting plate 211 is connected with a traveling mechanism. A mounting hole 213 penetrating the mounting plate 212 may be provided at a central position of the mounting plate 212, the mounting hole 213 being used to mount the ball 221, and an inner diameter of the mounting hole 213 being smaller than an outer diameter of the ball 221.

When the ball 221 is mounted, the ball 221 is placed on the top of the mounting hole 213, and the inner diameter of the mounting hole 213 is smaller than the outer diameter of the ball 221, so that the ball 221 can be supported on the mounting hole 213, and the ball 221 can rotate in the mounting hole 213. Further, the connecting member 222 is disposed below the mounting plate 212, and the top of the connecting member 222 passes upward through the mounting hole 213 to be detachably connected with the ball 221.

The connecting member 222 may include two parts, an upper half of which is a rod-shaped structure and a lower half of which is a plate-shaped structure, the top of the upper half of the connecting member 222 may be provided with an external thread, and the bottom of the ball 221 is provided with an internal thread matched with the connecting member 222, so that the two parts are in threaded connection. In order to prevent the loosening of the reverse thread between the connecting piece 222 and the ball 221 during the use process, a hole is formed at the joint of the ball 221 and the connecting piece 222, and a bolt is inserted, wherein the extending direction of the bolt is perpendicular to the axis of the connecting piece 222.

The lower half of connecting piece 222 is provided with the first connecting hole that runs through connecting piece 222, is provided with the otic placode 300 that is used for being connected with connecting piece 222 on lifting mechanism, is provided with the second connecting hole on the otic placode 300, aligns the back with first connecting hole and second connecting hole, connects through the bolt.

When the lifting mechanism is connected with the traveling mechanism through a ball hinge mechanism, the connecting member 222 and the ear plate 300 on the lifting mechanism can be fixedly connected through a bolt, and at the moment, the lifting mechanism and the traveling mechanism can swing in all directions through the connection of the ball head 221 and the ball seat.

However, when the hoisting mechanism and the traveling mechanism are connected by two ball hinge mechanisms and the two ball hinge mechanisms are arranged along the extending direction of the main beam 100, if the connecting member 222 is fixedly connected to the lug plate 300 on the hoisting mechanism by a bolt at this time, the hoisting mechanism can only swing in the horizontal direction and the direction perpendicular to the main beam 100 by the ball hinge mechanisms, and cannot swing in other directions.

Therefore, when two ball hinge mechanisms are disposed between the hoisting mechanism and the traveling mechanism, and the two ball hinge mechanisms are distributed along the extending direction of the main beam 100, the axis of the second connecting hole of the lug plate 300 needs to extend along the horizontal direction and be perpendicular to the main beam 100, similarly, the second connecting hole on the connecting member 222 needs to extend along the horizontal direction and be perpendicular to the main beam 100, after the first connecting hole and the second connecting hole are aligned, the first connecting hole and the second connecting hole can pass through the first connecting hole and the second connecting hole through a bolt or a rotating shaft, so that the connecting member 222 and the lug plate 300 can rotate relatively, and the rotating axis is along the horizontal direction and perpendicular to the extending direction of the main beam 100. Thus, the lifting mechanism and the traveling mechanism can move relatively in the horizontal direction and in the extending direction of the main beam 100.

In an embodiment of the present invention, the above-mentioned rotating connection structure can also be a universal shaft, one end of the universal shaft is connected to the traveling mechanism, and the other end of the universal shaft is connected to the hoisting mechanism, so that at least the relative movement between the hoisting mechanism and the traveling mechanism along the direction parallel or perpendicular to the main beam 100 can be realized.

Further, the universal shafts described above may include a first universal joint 610, a second universal joint 620, and a cross 630. The first universal joint 610 includes two first universal joint forks 611 arranged oppositely, each of the two first universal joint forks 611 is provided with a first shaft hole 612, and the axes of the two first shaft holes 612 coincide. The second universal joint 620 includes two second universal joint forks 621 arranged oppositely, the two second universal joint forks 621 are respectively provided with a second shaft hole 622, and the axes of the two second shaft holes 622 coincide. The cross 630 includes a first connecting shaft 631 and a second connecting shaft 632 that intersect with each other, and axes of the first connecting shaft 631 and the second connecting shaft 632 intersect and are perpendicular to each other.

When the first universal joint 610 is connected, one end of the first universal joint close to the first universal joint yoke 611 is connected to the traveling mechanism, and the first shaft holes 612 of the two first universal joint yokes 611 are respectively connected to two ends of the first connecting shaft 631 in a rotating manner. One end of the second universal joint 620, which is far away from the second universal joint yoke 621, is connected to the hoisting mechanism, and the second shaft holes 622 of the two second universal joint yokes 621 are respectively connected to two ends of the second connecting shaft 632 in a rotating manner.

In an embodiment of the present invention, the traveling mechanism may include a traveling frame and a driving device, the traveling frame is configured to be movably connected to the main beam 100, and the driving device is disposed on the traveling frame and configured to drive the traveling frame to move along the main beam 100.

Specifically, the walking frame may include two side plates 411 arranged in parallel, the bottoms of the two side plates 411 are connected through a connecting rod 412, the two side plates 411 and the connecting rod 412 may be connected through a stud, and both ends of the stud may be screwed using a slotted nut and prevented from rotating reversely by a plug pin. The rollers 413 are arranged on the tops of the inner sides of the side plates 411, the rollers 413 are located between the side plates 411 and the main beam 100, the main beam 100 can be an I-beam, and the rollers 413 roll on the tops of bottom plates of the I-beam.

The driving device can comprise a motor 421 and a driving wheel 422, a bracket can be arranged on the outer side of one side plate 411, the motor 421 is fixed on the bracket, a driving shaft of the motor 421 penetrates through the side plate 411 to enter the inner side of the side plate 411, the inner side of the side plate 411 is connected with the driving wheel 422, the driving wheel 422 is in contact with the top of the bottom plate of the I-beam, the driving wheel 422 and the I-beam are in rolling connection, and when the motor 421 rotates, the driving wheel 422 is driven to roll along the I-beam, and then the walking frame is driven to move integrally along the main beam 100.

In an embodiment of the present invention, the hoisting mechanism may be a winch 500.

The utility model also provides a crane, for example the crane can but not only be restricted to the portal crane, foretell plays to rise the device and sets up on the girder 100 of portal crane, owing to have as above play to rise the device, consequently, has the same advantage as above equally.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A hoisting device, comprising:

the traveling mechanism is used for movably connecting with a main beam of the crane;

2. A hoisting device as claimed in claim 1, wherein the rotary connection structure is a ball hinge mechanism, one end of which is connected to the travelling mechanism and the other end of which is connected to the hoisting mechanism.

3. The hoisting device of claim 2, wherein the ball hinge mechanism comprises a ball seat, a ball head and a connecting member, the ball seat is connected with the traveling mechanism, the ball head is arranged in the ball seat, one end of the connecting member is detachably connected with the ball head, and the end of the connecting member far away from the ball head is connected with the hoisting mechanism.

4. A hoist according to claim 3, characterized in that, when the ball hinge mechanism includes two, the connecting member is hinged to the traveling mechanism with a rotation axis in a horizontal direction and perpendicular to an arrangement direction of the two ball hinge mechanisms.

5. The hoisting device of claim 3 or 4, wherein the ball seat comprises a connecting portion and an installation portion, one end of the connecting portion is connected with the installation portion, the other end of the connecting portion is connected with the traveling mechanism, the installation portion is provided with an installation hole penetrating through the installation portion, the inner diameter of the installation hole is smaller than the outer diameter of the ball head, the ball head is rotatably arranged on one side, close to the connecting portion, of the installation hole, and the connecting piece is arranged on one side, far away from the connecting portion, of the installation hole and connected with the ball head.

6. A hoist according to claim 1, wherein the pivotal connection is a cardan shaft, one end of which is connected to the travelling mechanism and the other end of which is connected to the hoisting mechanism.

7. A hoisting device as claimed in any one of claims 1 to 4 and 6, wherein the travelling mechanism comprises a travelling frame movably connected to the main beam of the crane, and a drive device for driving the travelling frame to move along the main beam, the rotary connection structure being connected to the travelling frame.

8. The hoist as claimed in claim 7, wherein the walking frame includes:

9. The hoist as claimed in claim 8, wherein the drive mechanism includes a motor and a drive wheel, the motor is disposed on one of the side plates, and a drive shaft of the motor is connected to the drive wheel through the side plate, and the drive wheel is connected to the main beam in a rolling manner.

10. A crane comprising a hoist as claimed in any one of claims 1 to 9.