CN221739794U - Crane for building engineering construction - Google Patents

Abstract

The utility model discloses a crane for construction engineering construction, comprising a mounting seat, a lifting frame and a placing frame on the lifting frame, the upper surface of the mounting seat is vertically provided with two left and right symmetrical guide rods, the guide rods are provided with a lifting frame, a sliding groove is opened on the bottom plate of the lifting frame, a threaded rod is passed through the lifting frame, and limit rods are provided on the left and right sides of the threaded rod, and the threaded rod and the limit rod are provided with an L-shaped placing frame, and left and right symmetrical rollers are provided at the rear position of the lower surface of the placing frame. The placing frame is penetrated by the threaded rod and screwed with the threaded rod, the placing frame is penetrated by the limit rod and can slide on the limit rod, the threaded rod penetrates the rear side plate of the lifting frame, the rear end of the threaded rod is fixedly connected to the second motor, a fixing frame is provided above the lifting frame, a hydraulic cylinder is embedded in the plate body above the fixing frame, and a pressing plate is fixedly installed on the lower end of the hydraulic cylinder. The device is convenient for workers to unload and the operating position is relatively safe.

Description

A crane for construction engineering

Technical Field

The utility model relates to the technical field of cranes for construction engineering, in particular to a crane for construction engineering.

Background Art

Construction refers to the production activities in the implementation stage of engineering construction, which is the construction process of various buildings. During the construction process, as the building gradually increases in height, lifting devices are needed to transport various building materials to the construction floor;

For example, a lifting device for construction engineering disclosed in the utility model with authorization announcement number CN212222307U includes a frame, a bracket is provided on the top of the frame, a mounting plate is provided on the top of the bracket, an electric winding wheel and a fixed pulley are symmetrically provided on the left and right sides of the top of the mounting plate, and a rope is wound around the electric winding wheel. After the device transports the construction materials to the specified height, the device will be in a suspended state, and the construction materials are fixed by screws. It is difficult and dangerous for workers to unload the materials, and it is not convenient for workers to unload the construction materials.

Utility Model Content

In order to overcome the deficiencies of the prior art, the utility model provides a hoist for construction engineering, in which a first motor is designed to rotate to drive a driving gear to rotate. When the driving gear rotates, it meshes with the teeth to drive a rotating disk to rotate inside a mounting seat, thereby driving a vertical plate, a guide rod, and a lifting frame on the upper surface of the mounting seat to rotate, so that the lifting frame rotates, and the front end of the lifting frame is above the building platform. By controlling the lifting of the lifting frame, the lifting frame is brought into contact with the surface of the building platform, and then the hydraulic cylinder is controlled to contract to drive the pressing plate to rise, and the fixation of the building materials is released, and then the second motor is controlled to rotate to drive the threaded rod to rotate. When the threaded rod rotates, it is screwed with the placing frame, so that the placing frame slides on the lifting frame, and the placing frame with the building materials moves toward the direction of the building platform, which is convenient for workers to unload and the operating position is relatively safe.

The lifting frame is a kind of lifting device for supporting the lifting of the lifting frame, and the lifting frame is a kind of lifting frame which is provided with a plurality of lifting arms and a plurality of lifting arms respectively.

As a preferred technical solution of the utility model, the mounting seat is circular as a whole and has a cavity formed inside. A rotating disk is installed inside the mounting seat, and teeth are formed on the side of the rotating disk. A driving gear is arranged on the bottom wall of the mounting seat, and the driving gear is meshed with the teeth. A first motor is fixed to the lower surface of the mounting seat, and the output shaft of the first motor passes through the bottom wall of the mounting seat, and the output shaft of the first motor is fixedly connected to the driving gear.

As a preferred technical solution of the utility model, support legs are provided on the sides of the lower surface of the mounting seat.

As a preferred technical solution of the utility model, a vertical plate is arranged at the rear position of the upper surface of the mounting seat, a top plate is fixedly arranged on the upper end of the vertical plate, and a through hole is opened on the top plate.

As a preferred technical solution of the utility model, a connecting rod is provided at the rear side of the lifting frame.

As a preferred technical solution of the utility model, a winding frame is fixedly arranged on the top plate, a winding roller is installed on the winding frame, a pull rope is arranged on the winding roller, a third motor is installed on the left side of the winding frame, the output shaft of the third motor is fixedly connected to the winding roller, and the pull rope is connected to the connecting rod through the through hole.

Compared with the prior art, the utility model can achieve the following beneficial effects:

The first motor is designed to rotate to drive the driving gear to rotate. When the driving gear rotates, it meshes with the teeth, driving the rotating disk to rotate inside the mounting seat, thereby driving the vertical plate, guide rod and lifting frame on the upper surface of the mounting seat to rotate, so that the lifting frame rotates. The front end of the lifting frame is above the building platform. By controlling the lifting of the lifting frame, the lifting frame is in contact with the surface of the building platform, and then the hydraulic cylinder is controlled to contract to drive the pressing plate to rise, and the fixation of the building materials is released. Then the second motor is controlled to rotate to drive the threaded rod to rotate. When the threaded rod rotates, it is screwed with the placement frame, so that the placement frame slides on the lifting frame, and the placement frame with the building materials moves toward the direction of the building platform, which is convenient for workers to unload and the operating position is relatively safe.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic diagram of the internal structure of the mounting base of the utility model;

Figure 3 is a schematic diagram of the structure of the utility model from top view;

Figure 4 is a schematic diagram of the side view structure of the utility model;

Figure 5 is a schematic diagram of the bottom structure of the lifting frame of the utility model;

Among them: 1. Mounting seat; 2. Support legs; 3. Rotating disk; 4. Teeth; 5. Driving gear; 6. First motor; 7. Vertical plate; 8. Guide rod; 9. Lifting frame; 10. Slide groove; 11. Threaded rod; 12. Limit rod; 13. Placement frame; 14. Second motor; 15. Fixed frame; 16. Hydraulic cylinder; 17. Pressing plate; 18. Top plate; 19. Winding frame; 20. Third motor; 21. Winding roller; 22. Pull rope; 23. Through hole; 24. Connecting rod; 25. Roller.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

Example

Please refer to Figures 1 to 2, the utility model provides a crane for construction engineering, including a mounting seat 1, a lifting frame 9 and a placing frame 13 on the lifting frame 9, a supporting leg 2 is arranged on the side of the lower surface of the mounting seat 1, a vertical plate 7 is arranged at the rear position of the upper surface of the mounting seat 1, the vertical plate 7 mainly plays a supporting role, a top plate 18 is fixedly arranged on the upper end of the vertical plate 7, a through hole 23 is opened on the top plate 18, a connecting rod 24 is arranged on the rear side of the lifting frame 9, a winding frame 19 is fixedly arranged on the top plate 18, a winding roller 21 is installed on the winding frame 19, a pull rope 22 is arranged on the winding roller 21, a third motor 20 is installed on the left side of the winding frame 19, the third motor 20 is a forward and reverse motor, the output shaft of the third motor 20 is fixedly connected to the winding roller 21, and the pull rope 22 passes through the through hole 23 and is connected to the connecting rod 24;

When lifting the building materials, the third motor 20 is controlled to work, and the third motor 20 drives the winding roller 21 to rotate. When the winding roller 21 rotates, the pull rope 22 is wound up, and the height of the lifted building materials is changed by winding up the pull rope 22;

As shown in Figures 1 to 5, two left-right symmetrical guide rods 8 are vertically arranged on the upper surface of the mounting seat 1, and a lifting frame 9 is arranged on the guide rod 8. The lifting frame 9 is U-shaped as a whole, and a connecting rod 24 is arranged on the rear side of the lifting frame 9 for connecting with the pull rope 22. A slide groove 10 is opened on the bottom plate of the lifting frame 9, and a threaded rod 11 is passed through the lifting frame 9. Limit rods 12 are arranged on the left and right sides of the threaded rod 11 to ensure that the lifting frame 9 is lifted and lowered along the limit rod 12 to ensure the stability of the device. The threaded rod 11 and the limit rod 12 are provided with an L-shaped placement frame 13. The rear side wall of the lifting frame 9 and the front side wall of the placement frame 13 are brought close to or away from each other through the forward and reverse rotation of the threaded rod 11, which is convenient for clamping and fixing the building materials. Left-right symmetrical rollers 25 are arranged at the rear position of the lower surface of the placement frame 13. The rollers 25 roll in the slide groove 10 to facilitate the movement of the placement frame 13. The placement frame 13 is penetrated by the threaded rod 11 and screwed with it. , the placing frame 13 is penetrated by the limiting rod 12 and can slide on the limiting rod 12, the threaded rod 11 penetrates the rear side plate of the lifting frame 9, and the rear end of the threaded rod 11 is fixedly connected to the second motor 14, the second motor 14 is a forward and reverse motor, and a fixing frame 15 is arranged above the lifting frame 9, and a hydraulic cylinder 16 is embedded on the plate body above the fixing frame 15, and a pressing plate 17 is fixedly installed at the lower end of the hydraulic cylinder 16. The hydraulic cylinder 16 and the pressing plate 17 are arranged to fix the building materials from above, and the mounting seat 1 is circular as a whole and has a cavity formed inside. A rotating disk 3 is installed inside the mounting seat 1, and teeth 4 are formed on the side of the rotating disk 3. A driving gear 5 is arranged on the bottom wall of the mounting seat 1, and the driving gear 5 is meshed with the teeth 4. A first motor 6 is fixed on the lower surface of the mounting seat 1, and the first motor 6 is a forward and reverse motor. The output shaft of the first motor 6 penetrates the bottom wall of the mounting seat 1, and the output shaft of the first motor 6 is fixedly connected to the driving gear 5;

After the building material is hoisted, the first motor 6 is controlled to rotate to drive the driving gear 5 to rotate. When the driving gear 5 rotates, it meshes with the teeth 4, driving the rotating disk 3 to rotate inside the mounting seat 1, thereby driving the vertical plate 7, the guide rod 8, and the lifting frame 9 on the upper surface of the mounting seat 1 to rotate, so that the lifting frame 9 rotates, driving the placement frame 13 to rotate, so that the front end of the placement frame 13 is above the building platform, and then the lifting frame 9 is controlled to rise and fall, so that the lower surface of the lifting frame 9 contacts the surface of the building platform, and then the hydraulic cylinder 16 is controlled to contract, driving the pressing plate 17 to rise, releasing the fixation of the building material, and then controlling the second motor 14 to rotate to drive the threaded rod 11 to rotate. When the threaded rod 11 rotates, it is screwed with the placement frame 13, so that the placement frame 13 slides on the lifting frame 9, and the roller 25 contacts the building plane and slides forward along the slide groove 10, driving the building material to move;

Specific working principle:

When using the device, first place the building materials on the placement frame 13, then control the second motor 14 to rotate, drive the threaded rod 11 to screw with the placement frame 13, drive the placement frame 13 along the limit rod 12 to approach the rear side plate of the lifting frame 9, until the rear side plate of the lifting frame 9 and the front side plate of the placement frame 13 fix the building materials, then control the hydraulic cylinder 16 to extend, drive the pressure plate 17 to descend to further fix the building materials, and then control the third motor 20 to rotate, the third motor 20 drives the winding roller 21 to rotate, and when the winding roller 21 rotates, the pull rope 22 is wound up, and the height of the lifted building materials is changed by winding up the pull rope 22. After reaching the appropriate height, the first motor 6 is controlled to rotate to drive the driving gear 5 to rotate. When the driving gear 5 rotates It meshes with the teeth 4, driving the rotating disk 3 to rotate inside the mounting seat 1, thereby driving the vertical plate 7, guide rod 8, and lifting frame 9 on the upper surface of the mounting seat 1 to rotate, causing the lifting frame 9 to rotate, driving the placement frame 13 to rotate, so that the front end of the placement frame 13 is above the building platform, and then controlling the lifting frame 9 to rise and lower, so that the lower surface of the lifting frame 9 contacts the surface of the building platform, and then controlling the hydraulic cylinder 16 to contract, driving the pressing plate 17 to rise, releasing the fixation of the building materials, and then controlling the second motor 14 to rotate and drive the threaded rod 11 to rotate. When the threaded rod 11 rotates, it is screwed with the placement frame 13, so that the placement frame 13 slides on the lifting frame 9, and the roller 25 contacts the building plane and slides forward along the slide chute 10, driving the building materials to move, and the workers can unload the materials.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims (6)

1. The utility model provides a crane for building engineering construction, includes mount pad (1), crane (9) and rack (13) on crane (9), its characterized in that: the utility model discloses a hydraulic cylinder, including mount pad (1), carriage (13), hydraulic cylinder (16) and hydraulic cylinder (17) are installed in the bottom plate, mount pad (1) upper surface is vertical to be provided with two bilateral symmetry guide arm (8), be provided with crane (9) on guide arm (8), spout (10) have been seted up on crane (9) bottom plate, wear to be equipped with threaded rod (11) on crane (9), threaded rod (11) left and right sides is provided with gag lever post (12), threaded rod (11) and gag lever post (12) are provided with L shape rack (13), rack (13) lower surface is provided with bilateral symmetry gyro wheel (25) near the rear position, rack (13) are run through by threaded rod (11) and are screwed with it, rack (13) are run through by gag lever post (12) and can slide on gag lever post (12), threaded rod (11) run through crane (9) posterior lateral plate, threaded rod (11) rear end fixedly connected with second motor (14), crane (9) top is provided with mount (15), be embedded on mount (15) top plate body has hydraulic cylinder (16), hydraulic cylinder (17) fixed end portion.

2. A crane for construction work according to claim 1, wherein: the utility model discloses a motor drive device for a motor vehicle, including mount pad (1), mount pad (1) wholly be circular and inside be formed with the cavity, mount pad (1) internally mounted has rolling disc (3), rolling disc (3) side is formed with tooth (4), be provided with driving gear (5) on mount pad (1) diapire, driving gear (5) and tooth (4) meshing, mount pad (1) lower surface fixation has first motor (6), first motor (6) output shaft runs through mount pad (1) diapire, first motor (6) output shaft and driving gear (5) fixed connection.

3. A crane for construction work according to claim 1, wherein: support legs (2) are arranged on the side edges of the lower surface of the mounting seat (1).

4. A crane for construction work according to claim 1, wherein: the mounting seat is characterized in that a vertical plate (7) is arranged at the position, close to the rear, of the upper surface of the mounting seat (1), a top plate (18) is fixedly arranged at the upper end of the vertical plate (7), and a through hole (23) is formed in the top plate (18).

5. A crane for construction work according to claim 1, wherein: the rear side of the lifting frame (9) is provided with a connecting rod (24).

6. The crane for construction work according to claim 4, wherein: the winding device is characterized in that a winding frame (19) is fixedly arranged on the top plate (18), a winding roller (21) is arranged on the winding frame (19), a pull rope (22) is arranged on the winding roller (21), a third motor (20) is arranged on the left side of the winding frame (19), an output shaft of the third motor (20) is fixedly connected with the winding roller (21), and the pull rope (22) penetrates through a through hole (23) to be connected with a connecting rod (24).