CN215798067U

CN215798067U - Small crane convenient to load

Info

Publication number: CN215798067U
Application number: CN202123060262.1U
Authority: CN
Inventors: 史建刚; 王静
Original assignee: Zhijie Intelligent Technology Xianghe Co ltd
Current assignee: Zhijie Intelligent Technology Xianghe Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-11
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a small crane convenient to load, belongs to the technical field of cranes, and is used for solving the problems that the position of a lifting hook of the existing small crane is fixed, and the front and back position of the lifting hook cannot be adjusted. The vertical rod type electric bicycle comprises a bottom frame, wherein moving wheels are arranged at the bottoms of two sides of the bottom frame, a transverse plate is arranged at the side end of the bottom frame, universal wheels are arranged at the bottom of the transverse plate, threaded sleeves are welded on the two sides of the bottom frame, threaded rods are connected with the threaded sleeves in a threaded manner, a fixed disk is fixed at one end of each threaded rod penetrating through the bottom frame, vertical rods are fixed on the bottom frame, handles are arranged at two sides of each vertical rod, a transverse rod is fixed at the upper part of each vertical rod, a driving groove and a sliding groove are formed in each transverse rod, a driving mechanism is arranged on each driving groove, a lead screw mechanism is arranged in each sliding groove, and a mounting frame is arranged on each transverse rod; the utility model can adjust the front and back positions of the lifting hook, is convenient for lifting articles with different sizes, is convenient for lifting and butting, is simple to operate and has high lifting efficiency.

Description

Small crane convenient to load

Technical Field

The utility model belongs to the technical field of cranes, relates to a small crane, and particularly relates to a small crane convenient to load.

Background

The crane is a lifting and carrying machine widely used in ports, workshops, electric power, construction sites and other places. The name crane is a uniform title for hoisting machinery. The main of cranes are also truck cranes, crawler cranes and tyre cranes. The crane is used for hoisting equipment, emergency treatment, hoisting, machinery and rescue, and a small crane is one of common cranes.

However, in the conventional small crane, the hook position of the small crane is fixed, and when the small crane is required to lift objects of different sizes, the crane needs to be moved continuously, so that the hook position is adjusted to correspond to the lifting position, which is troublesome to adjust, troublesome to operate, and inefficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, provides a small crane convenient to load, and aims to solve the technical problems that: how to rapidly adjust the position of the lifting hook and is convenient for the butt joint of the lifting hook and a lifted object.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a small-size crane convenient to load, which comprises a base frame, the removal wheel is all installed to chassis both sides bottom, chassis side installation diaphragm, diaphragm bottom installation universal wheel, threaded sleeve has all been welded to the chassis both sides, threaded connection has the threaded rod on the threaded sleeve, the one end that the threaded rod passed the chassis is fixed with the fixed disk, be fixed with the pole setting on the chassis, the handle is installed to the pole setting both sides, pole setting upper portion is fixed with the horizontal pole, driving groove and spout have been seted up on the horizontal pole, be provided with actuating mechanism on the driving groove, set up lead screw mechanism in the spout, install the mounting bracket on the horizontal pole, electric capstan is installed to the mounting bracket bottom, electric capstan upper portion is provided with the loading board, the loading board is fixed with the mounting bracket, the last winding of electric capstan has the lifting rope, the electric capstan below is provided with the movable pulley, the one end that the lifting rope passed the movable pulley is connected with the loading board, the lifting hook is installed to the movable pulley bottom.

The driving mechanism comprises a transmission shaft, a transmission wheel, a driving motor and a driving wheel, the transmission shaft is rotatably connected with the driving groove through a bearing, the transmission wheel is arranged on the transmission shaft, the driving motor is fixed at the side end of the transverse rod, the output end of the driving motor is connected with the driving wheel, and the driving wheel is connected with the transmission wheel through a transmission belt.

By adopting the structure, the driving motor drives the driving wheel to rotate, so that the driving wheel is driven to rotate through the driving belt, the driving wheel drives the screw rod to rotate, the screw rod drives the sliding block to slide along the sliding groove in a rotating mode, and the position of the sliding block is convenient to adjust.

The screw rod mechanism comprises a screw rod and a sliding block, the screw rod is rotatably connected with the sliding groove through a bearing, the sliding block is slidably connected with the sliding groove, the screw rod penetrates through the sliding block and is in threaded connection with the sliding block, the bottom of the sliding block is connected with the bottom of the mounting frame, and one end of the screw rod is connected with the transmission shaft.

Structure more than adopting, the lead screw rotates and drives the slider and slide along the spout, and the slider slides and drives the mounting bracket and remove to position around the regulation lifting hook conveniently lifts by crane.

The electric capstan side is provided with the capstan motor, and the output shaft of capstan motor is connected with the pivot of electric capstan, and the connecting plate is installed at capstan motor top, and the connecting plate is connected with the mounting bracket.

By adopting the structure, the winch motor drives the rotating shaft of the electric winch to rotate, so that rope winding and unwinding operations are completed, and hoisting is completed.

The electric cabinet is installed to the pole setting side, and electric cabinet internally mounted has the battery, and the battery is connected with capstan winch motor and driving motor electricity respectively.

By adopting the structure, the operation of the winch motor and the driving motor is controlled by the electric cabinet.

And a support plate is arranged between the vertical rod and the cross rod.

By adopting the structure, the stability of the cross rod is improved.

Compared with the prior art, the utility model has the following advantages:

1. through setting up transmission shaft, drive wheel, driving motor, action wheel, lead screw and slider, can drive the mounting bracket and remove to the position around the regulation lifting hook can carry out lifting hook position control when not moving small-size crane, conveniently lifts by crane not unidimensional article, lifts by crane the butt joint convenient, easy operation lifts by crane efficiently.

2. Through setting up the fixed disk, rotatory threaded rod drives the fixed disk and moves down to fixed small-size crane has improved small-size crane and has placed stability, simple structure, reasonable, and the processing cost is low.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A;

FIG. 3 is an enlarged view of the structure of the present invention at B;

in the figure: 1. a chassis; 2. erecting a rod; 3. a transverse plate; 4. a cross bar; 5. a threaded sleeve; 6. a threaded rod; 7. fixing the disc; 8. a universal wheel; 9. an electric cabinet; 10. a grip; 11. an electric capstan; 12. a capstan motor; 13. a movable pulley; 14. a lifting rope; 15. a hook; 16. a drive slot; 17. a drive shaft; 18. a driving wheel; 19. a drive motor; 20. a driving wheel; 21. a chute; 22. a screw rod; 23. a slider; 24. a mounting frame; 25. a carrier plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the present embodiment provides a small crane convenient for loading, which includes a bottom frame 1, moving wheels are installed at the bottoms of two sides of the bottom frame 1, a horizontal plate 3 is installed at the side end of the bottom frame 1, universal wheels 8 are installed at the bottoms of the horizontal plate 3, threaded sleeves 5 are welded at two sides of the bottom frame 1, threaded rods 6 are connected to the threaded sleeves 5 in a threaded manner, a fixed disk 7 is fixed at one end of each threaded rod 6 penetrating through the bottom frame 1, vertical rods 2 are fixed on the bottom frame 1, handles 10 are installed at two sides of the vertical rods 2, a cross rod 4 is fixed at the upper part of each vertical rod 2, a driving groove 16 and a sliding groove 21 are formed on each cross rod 4, a driving mechanism is arranged on each driving groove 16, a lead screw mechanism is arranged in each sliding groove 21, a mounting frame 24 is installed on each cross rod 4, an electric winch 11 is installed at the bottom of the mounting frame 24, a bearing plate 25 is arranged at the upper part of each electric winch 11, each bearing plate 25 is fixed to the mounting frame 24, a lifting rope 14 is wound on each electric winch 11, a movable pulley 13 is arranged below the electric winch 11, a lifting rope 14 penetrates through one end of the movable pulley 13 to be connected with the bearing plate 25, and a lifting hook 15 is installed at the bottom of the movable pulley 13.

The driving mechanism comprises a transmission shaft 17, a transmission wheel 18, a driving motor 19 and a driving wheel 20, the transmission shaft 17 is rotatably connected with the driving groove 16 through a bearing, the transmission wheel 18 is installed on the transmission shaft 17, the driving motor 19 is fixed at the side end of the cross rod 4, the output end of the driving motor 19 is connected with the driving wheel 20, the driving wheel 20 is connected with the transmission wheel 18 through a transmission belt, the driving motor 19 drives the driving wheel 20 to rotate, the transmission wheel 18 is driven to rotate through the transmission belt, the lead screw 22 is driven to rotate to drive the sliding block 23 to slide along the sliding groove 21, and the position of the sliding block 23 is convenient to adjust.

Screw mechanism includes lead screw 22 and slider 23, rotate through the bearing between lead screw 22 and the spout 21 and be connected, slider 23 and spout 21 sliding connection, lead screw 22 pass slider 23 and with 23 threaded connection of slider, slider 23 bottom is connected with mounting bracket 24 bottom, lead screw 22 one end is connected with transmission shaft 17, lead screw 22 rotates and drives slider 23 and slide along spout 21, slider 23 slides and drives mounting bracket 24 and remove, thereby adjust lifting hook 15's front and back position, conveniently lift by crane.

11 sides of electric capstan are provided with capstan motor 12, and the output shaft of capstan motor 12 is connected with electric capstan 11's pivot, and the connecting plate is installed at capstan motor 12 top, and the connecting plate is connected with mounting bracket 24, and capstan motor 12 drives electric capstan 11's pivot and rotates to accomplish and receive the rope and put the rope operation, accomplish and lift by crane.

An electric cabinet 9 is installed at the side end of the upright rod 2, a storage battery is installed inside the electric cabinet 9, the storage battery is respectively electrically connected with a winch motor 12 and a driving motor 19, and the operation of the winch motor 12 and the driving motor 19 is controlled through the electric cabinet 9.

Install the backup pad between pole setting 2 and the horizontal pole 4, improved the stability of horizontal pole 4.

In this embodiment, the fixing manners are all the most common fixing connection manners in the field, such as welding, bolt connection, and the like, and the electric winch and the electric cabinet are all products in the prior art, and can be directly purchased and used in the market, and the specific principle is not described in detail.

The working principle of the utility model is as follows: when the small crane is used, the small crane is firstly pushed to the position near an object to be lifted by holding the grip 10 by hand, then the threaded rod 6 is rotated to enable the fixed disc 7 to move downwards until the fixed disc is tightly attached to the ground, and when the small crane is stably placed, the small crane is prepared for lifting.

Front and back position adjustment of the lifting hook 15: when different sizes of article need be lifted by crane, drive motor 19 is started through electric cabinet 9, drive motor 19 drives action wheel 20 and rotates to drive wheel 18 through the drive belt and rotate, drive wheel 18 rotates and drives lead screw 22 and rotate, lead screw 22 rotates and drives slider 23 and slide along spout 21, slider 23 slides and drives mounting bracket 24 and remove, thereby adjust the front and back position of lifting hook 15, the convenient lifting point with different sizes of article docks, and the butt joint is convenient, easy operation.

Hoisting: starting the winch motor 12 through the electric cabinet 9, the winch motor 12 drives the rotating shaft of the electric winch 11 to rotate reversely, the lifting rope 14 is put down, the lifting hook 15 moves downwards at the moment, the winch motor 12 is closed after the lifting hook 15 moves downwards to a proper height, the lifting hook 15 is hung on a lifted object, the installation lock is locked, then the winch motor 12 is started again, the winch motor 12 drives the rotating shaft of the electric winch 11 to rotate positively, the lifting rope 14 is packed up, the lifting hook 15 is driven to move upwards, and the lifting and loading are completed.

In conclusion, the transmission shaft 17, the transmission wheel 18, the driving motor 19, the driving wheel 20, the screw rod 22 and the slide block 23 are arranged to drive the mounting frame 24 to move, so that the front and rear positions of the lifting hook 15 are adjusted, the position of the lifting hook 15 can be adjusted while the small crane is not moved, articles with different sizes can be conveniently lifted, the lifting and butting are convenient, the operation is simple, and the lifting efficiency is high; through setting up fixed disk 7, rotatory threaded rod 6 drives fixed disk 7 and moves down to fixed small-size crane has improved small-size crane and has placed stability, simple structure, reasonable, and the processing cost is low.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A small crane convenient to load, comprising an underframe (1), characterized in that: the movable wheel is installed at the bottoms of two sides of the bottom frame (1), a transverse plate (3) is installed at the side end of the bottom frame (1), universal wheels (8) are installed at the bottom of the transverse plate (3), threaded sleeves (5) are welded on two sides of the bottom frame (1), threaded rods (6) are connected to the threaded sleeves (5) in a threaded mode, a fixed disc (7) is fixed at one end, penetrating through the bottom frame (1), of each threaded rod (6), a vertical rod (2) is fixed on the bottom frame (1), handles (10) are installed on two sides of each vertical rod (2), a transverse rod (4) is fixed on the upper portion of each vertical rod (2), a driving groove (16) and a sliding groove (21) are formed in each transverse rod (4), a driving mechanism is arranged on each driving groove (16), a lead screw mechanism is arranged in each sliding groove (21), a mounting frame (24) is installed on each transverse rod (4), an electric winch (11) is installed at the bottom of each mounting frame (24), a bearing plate (25) is arranged on the upper portion of each electric winch (11), the bearing plate (25) is fixed with the mounting frame (24), a lifting rope (14) is wound on the electric winch (11), a movable pulley (13) is arranged below the electric winch (11), one end, penetrating through the movable pulley (13), of the lifting rope (14) is connected with the bearing plate (25), and a lifting hook (15) is installed at the bottom of the movable pulley (13).

2. A small-sized crane convenient for loading according to claim 1, wherein the driving mechanism comprises a transmission shaft (17), a transmission wheel (18), a driving motor (19) and a driving wheel (20), the transmission shaft (17) is rotatably connected with the driving groove (16) through a bearing, the transmission wheel (18) is installed on the transmission shaft (17), the driving motor (19) is fixed at the side end of the cross bar (4), the output end of the driving motor (19) is connected with the driving wheel (20), and the driving wheel (20) is connected with the transmission wheel (18) through a transmission belt.

3. The small-sized crane convenient for loading as claimed in claim 2, wherein the screw rod mechanism comprises a screw rod (22) and a slide block (23), the screw rod (22) is rotatably connected with the chute (21) through a bearing, the slide block (23) is slidably connected with the chute (21), the screw rod (22) penetrates through the slide block (23) and is in threaded connection with the slide block (23), the bottom of the slide block (23) is connected with the bottom of the mounting frame (24), and one end of the screw rod (22) is connected with the transmission shaft (17).

4. The small-sized crane convenient for loading as claimed in claim 3, wherein the electric capstan (11) is provided with a capstan motor (12) at the side end, the output shaft of the capstan motor (12) is connected with the rotating shaft of the electric capstan (11), the top of the capstan motor (12) is provided with a connecting plate, and the connecting plate is connected with the mounting frame (24).

5. A small-sized crane convenient for loading according to claim 4, characterized in that the electric control box (9) is installed at the side end of the vertical rod (2), and the electric control box (9) is internally provided with a storage battery which is respectively and electrically connected with the winch motor (12) and the driving motor (19).

6. A small crane for easy loading according to claim 1, characterized in that support plates are installed between the uprights (2) and the crosspiece (4).