CN215160412U

CN215160412U - Crane lifting mechanism

Info

Publication number: CN215160412U
Application number: CN202120069837.7U
Authority: CN
Inventors: 戴臣超; 张国斌; 沈洪宇; 方键超; 朱谦; 连锜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-12-14
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a crane lifting mechanism, which comprises two upright posts and a mounting plate, wherein a cross beam is fixedly arranged between the top ends of the two upright posts, the cross beam is provided with a guide groove which is communicated with the front and the back, two first rollers which are symmetrically arranged are movably arranged in the guide groove, both sides of the first rollers are rotatably connected with a connecting plate, the bottom surface of the mounting plate is sequentially and fixedly provided with a first motor and a bearing seat from left to right, the output end of the first motor is fixedly connected with one end of a threaded rod, the other end of the threaded rod is rotatably connected with the bearing seat, a U-shaped frame is in threaded connection with the threaded rod, one side of the U-shaped frame is fixedly provided with a second motor, the output end of the second motor is fixedly connected with a take-up roller, the outer sides of the two take-up rollers are wound with steel wire ropes, one end of the steel wire ropes passes through the bottom surface of the U-shaped frame and is hung with a movable plate, the bottom surface of fly leaf is provided with the lifting hook.

Description

Crane lifting mechanism

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist mechanism.

Background

With the progress of society, the application of cranes is more and more extensive, and the use of cranes for suspending and carrying heavier equipment under common conditions is rapidly developed along with the industries such as large-scale infrastructure construction, energy, real estate, petrochemical industry, shipbuilding industry and the like in China in recent years. The existing crane cannot prevent the swing of a steel wire rope when lifting heavy objects, and great potential safety hazards can be caused when the crane works in the weather with large wind power. For this reason, improvement is awaited.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting mechanism of a crane comprises two stand columns and a mounting plate, wherein a cross beam is fixedly mounted between the top ends of the two stand columns, the cross beam is provided with a guide groove which is through in the front and back, two first rollers which are symmetrically arranged are movably mounted in the guide groove, two sides of each first roller are rotatably connected with a connecting plate, the bottom end of each connecting plate is fixedly connected with the top surface of the mounting plate, a first motor and a bearing seat are sequentially and fixedly mounted on the bottom surface of the mounting plate from left to right, one end of a threaded rod is fixedly connected with the output end of the first motor, the other end of the threaded rod is rotatably connected with the bearing seat, a U-shaped frame is in threaded connection with the threaded rod, a second motor is fixedly mounted on one side of the U-shaped frame, a take-up roller is fixedly connected with the output end of the second motor, and two steel wire ropes are wound on the outer side of the take-up roller, one end of the steel wire rope penetrates through the bottom surface of the U-shaped frame and is connected with a movable plate in a hanging mode, and a lifting hook is arranged on the bottom surface of the movable plate.

Preferably, the top end of the connecting plate is fixedly provided with a top plate, the bottom surface of the top plate is fixedly provided with a second roller, and the second roller is connected with the top surface of the cross beam in a sliding manner.

Preferably, two dovetail grooves are formed in the side wall, opposite to the stand column, of the movable plate, telescopic rods are fixedly connected to the left side and the right side of the movable plate, one end, far away from the movable plate, of each telescopic rod is fixedly connected with a sliding block, and the sliding blocks are slidably mounted in the dovetail grooves.

Preferably, the bottom surface of the U-shaped frame is provided with two wire passing holes, and graphite bushings are arranged in the wire passing holes.

Preferably, a guide rod is arranged above the threaded rod, and the guide rod and the U-shaped frame are installed in a sliding mode.

Preferably, a controller is fixedly mounted on one of the upright columns, the type of the controller is GWB-L420U, and the output end of the controller is electrically connected with the first motor and the second motor.

The utility model has the advantages that:

1. the utility model has the advantages that the position of the lifting hook can be conveniently adjusted through the arrangement of the guide groove, the first roller, the connecting plate, the top plate and the second roller which are arranged on the cross beam, thereby effectively improving the working efficiency; through the setting of first motor, threaded rod and U type frame, conveniently carry out more accurate regulation to the position of lifting hook, further improve the work efficiency of hoist.

2. The utility model discloses a setting of fly leaf, telescopic link, slider and dovetail not only can be adjusting the effect that plays increase stability to the lifting hook position, also can play the effect to the spacing direction of fly leaf simultaneously to reach and prevent wire rope wobbling purpose, bring very big facility for the user.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Reference numbers in the figures: 1. erecting a rod; 2. mounting a plate; 3. a guide groove; 4. a first roller; 5. a connecting plate; 6. a first motor; 7. a bearing seat; 8. a threaded rod; 9. a U-shaped frame; 10. a second motor; 11. a wire take-up roller; 12. a wire rope; 13. a movable plate; 14. a dovetail groove; 15. a telescopic rod; 16. a slider; 17. a controller; 18. a cross beam; 19. and (4) a lifting hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a crane lifting mechanism comprises two upright posts 1 and a mounting plate 2, a cross beam 18 is fixedly mounted between the top ends of the two upright posts 1, the cross beam 18 is provided with a guide groove 3 which is through from front to back, two first rollers 4 which are symmetrically arranged are movably mounted in the guide groove 3, two sides of each first roller 4 are rotatably connected with a connecting plate 5, the bottom end of each connecting plate 5 is fixedly connected with the top surface of the mounting plate 2, a first motor 6 and a bearing seat 7 are sequentially and fixedly mounted on the bottom surface of the mounting plate 2 from left to right, the output end of the first motor 6 is fixedly connected with one end of a threaded rod 8, the other end of the threaded rod 8 is rotatably connected with the bearing seat 7, a U-shaped frame 9 is in threaded connection with the threaded rod 8, a second motor 10 is fixedly mounted on one side of the U-shaped frame 9, the output end of the second motor 10 is fixedly connected with a take-up roller 11, and two steel wire ropes 12 are wound on the outer side of the take-up roller 11, one end of a steel wire rope 12 penetrates through the bottom surface of the U-shaped frame 9 and is connected with a movable plate 13 in a hanging manner, the bottom surface of the movable plate 13 is provided with a lifting hook 19, the top end of the connecting plate 5 is fixedly provided with a top plate, the bottom surface of the top plate is fixedly provided with a second roller which is in sliding connection with the top surface of a cross beam 18, one side wall of each of the two upright posts 1 which is opposite to the other side wall is provided with a dovetail groove 14, the left side and the right side of the movable plate 13 are fixedly connected with telescopic rods 15, one end of each telescopic rod 15, which is far away from the movable plate 13, is fixedly connected with a sliding block 16, the sliding block 16 is arranged in the dovetail grooves 14 in a sliding manner, the bottom surface of the U-shaped frame 9 is provided with two wire passing holes, graphite bushings are arranged in the wire passing holes, guide rods are arranged above the threaded rods 8 and are in sliding installation with the U-shaped frame 9, a controller 17 is fixedly mounted on one of the upright posts 1, the model number of the controller 17 is GWB-L420U, and the output end of the controller 17 is electrically connected with the first motor 6 and the second motor 10.

The working principle is as follows:

the utility model discloses during the use, firstly, the position of lifting by crane the heavy object as required is adjusted the position of lifting hook 19, through the cooperation work of guide way 3 and first gyro wheel 4, drive mounting panel 2 and carry out the regulation of position, the fixed second gyro wheel of roof bottom surface rolls at the top surface of crossbeam 18 simultaneously, play the effect of promoting mounting panel 2 mobility stability, can accomplish the preliminary adjustment to lifting hook 19 position after mounting panel 2 removes, start first motor 6 through controller 17 after the preliminary adjustment is accomplished, first motor 6 drives threaded rod 8 and rotates, threaded rod 8 rotates back and its threaded connection's U type frame 9 lateral shifting, thereby realize the secondary accurate regulation to lifting hook 19 position, the work efficiency of lifting by crane the operation is greatly improved; after the position of the lifting hook 19 is adjusted, the second motor 10 is started through the controller 17, the second motor 10 drives the wire take-up roller 11 to rotate to complete the paying-off work of the steel wire rope 12, and the steel wire rope 12 drives the movable block 13 to rise or fall so as to drive the lifting hook 19 to complete the lifting work of the heavy object; when the lifting hook 19 is lifted, the telescopic rods 15 on the two sides of the movable plate 13 drive the sliding blocks 16 to slide in the dovetail grooves 14 formed in the pillar 1, so that the movable plate 13 is limited and guided, and the steel wire rope 12 is prevented from swinging under the influence of external force in the lifting process.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lifting mechanism of the crane comprises two columns (1) and a mounting plate (2), and is characterized in that a cross beam (18) is fixedly mounted between the top ends of the two columns (1), the cross beam (18) is provided with a guide groove (3) which is through before and after, two first rollers (4) which are symmetrically arranged are movably mounted in the guide groove (3), two sides of each first roller (4) are rotatably connected with a connecting plate (5), the bottom end of each connecting plate (5) is fixedly connected with the top surface of the mounting plate (2), the bottom surface of the mounting plate (2) is sequentially and fixedly provided with a first motor (6) and a bearing seat (7) from left to right, the output end of the first motor (6) is fixedly connected with one end of a threaded rod (8), the other end of the threaded rod (8) is rotatably connected with the bearing seat (7), and the threaded rod (8) is connected with a U-shaped frame (9) in a threaded manner, one side fixed mounting of U type frame (9) has second motor (10), the output fixedly connected with of second motor (10) receives line roller (11), the outside winding of receiving line roller (11) has two strands of wire rope (12), the bottom surface of U type frame (9) is passed and hang and connect fly leaf (13) to the one end of wire rope (12), the bottom surface of fly leaf (13) is provided with lifting hook (19).

2. A crane lifting mechanism as claimed in claim 1, wherein the top end of the connecting plate (5) is fixedly provided with a top plate, the bottom surface of the top plate is fixedly provided with a second roller, and the second roller is slidably connected with the top surface of the cross beam (18).

3. The lifting mechanism of a crane as claimed in claim 1, wherein a dovetail groove (14) is formed on one side wall of each of the two opposite columns (1), telescopic rods (15) are fixedly connected to the left and right sides of the movable plate (13), a slider (16) is fixedly connected to one end of each telescopic rod (15) far away from the movable plate (13), and the slider (16) is slidably mounted in the dovetail groove (14).

4. A crane lifting mechanism as claimed in claim 1, wherein the bottom surface of the U-shaped frame (9) is provided with two through holes in which graphite bushings are arranged.

5. A crane lifting mechanism as claimed in claim 1, wherein a guide bar is provided above the threaded bar (8), said guide bar being slidably mounted to the U-shaped frame (9).

6. A crane lifting mechanism as claimed in claim 1, wherein a controller (17) is fixedly mounted on one of said uprights (1), said controller (17) being of the type GWB-L420U, and the output of said controller (17) being electrically connected to both said first motor (6) and said second motor (10).