CN220684491U

CN220684491U - Lifting device

Info

Publication number: CN220684491U
Application number: CN202321819622.8U
Authority: CN
Inventors: 贺婷; 焦长洲; 王�义; 郑烽; 王兵; 劳志伟; 刘勇; 赵景博; 张宇; 贾景阳
Original assignee: Guangzhou Railway Investment And Construction Group Co ltd; China Railway No 3 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Current assignee: Guangzhou Railway Investment And Construction Group Co ltd; China Railway No 3 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-03-29
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a lifting device, which comprises a bottom plate, wherein a plurality of supporting rods are arranged between the bottom plate and a mounting plate, a top plate is rotatably arranged on the top surface of the mounting plate, a pulley is arranged on the top surface of the top plate, a connecting rope is connected to the pulley, one end of the connecting rope is connected with a rope winding and unwinding mechanism, and the other end of the connecting rope is connected with a lifting mechanism; the lifting mechanism comprises a transverse plate connected with a connecting rope, a plurality of steel wire ropes are connected to the transverse plate, a box body is fixedly connected to the other ends of the steel wire ropes, two lifting hooks are connected to the box body in a sliding mode, and an adjusting assembly used for adjusting the distance between the two lifting hooks is arranged on the box body. According to the utility model, the box body and the adjusting assembly are arranged, and the distance between the two lifting hooks is adjusted through the adjusting mechanism according to the specification of the lifted articles, so that the stability during lifting can be effectively improved.

Description

Lifting device

Technical Field

The utility model relates to the field of swivel bridge construction, in particular to a lifting device.

Background

The swivel bridge is a bridge constructed by adopting a swivel method. The bridge swivel construction is a construction method that a bridge structure is formed at a non-design axis position through casting or splicing and then positioned through a swivel. In the construction process of building the bridge, the lifting device is needed for transporting building materials, so that manual carrying is reduced, and the working efficiency of construction can be directly improved.

The current chinese patent of authorizing the bulletin number CN213011675U discloses a hoisting device for bridge construction, this hoisting device for bridge construction compares with current ordinary overhead hoist, the device angle and the height are convenient for adjust, can operate by oneself according to the user demand, also be convenient for install and dismantle, reduced constructor's work load, be provided with the guardrail and protect the constructor and also be convenient for get into the regulation and control room, increased the security of operation, can adjust the angle of lifting hook through the control regulating spindle for the lifting hook handling heavy object of being convenient for more.

However, the technical scheme has the following defects: only one lifting hook is arranged, so that the lifting hook is not stable enough when lifting articles.

Disclosure of Invention

The present utility model aims to provide a lifting device to solve at least one of the above technical problems.

The utility model aims to solve the technical problems, and is realized by adopting the following technical scheme:

the lifting device comprises a bottom plate, a plurality of supporting rods are arranged between the bottom plate and the mounting plate, a top plate is rotatably arranged on the top surface of the mounting plate, a pulley is arranged on the top surface of the top plate, a connecting rope is connected to the pulley, one end of the connecting rope is connected with a rope winding and unwinding mechanism, and the other end of the connecting rope is connected with a lifting mechanism; the lifting mechanism comprises a transverse plate connected with a connecting rope, a plurality of steel wire ropes are connected to the transverse plate, a box body is fixedly connected to the other ends of the steel wire ropes, two lifting hooks are connected to the box body in a sliding mode, and an adjusting assembly used for adjusting the distance between the two lifting hooks is arranged on the box body.

Preferably, the adjusting part comprises a screw, the screw is rotated and is installed in the box, the line at screw both ends is reverse setting, be provided with two screw nut on the screw, fixedly connected with fly leaf on the screw nut, two the lifting hook is installed respectively on two fly leaves, just the lifting hook runs through the spout of seting up on the box bottom surface and with spout sliding connection, the one end of screw extends to the box, the screw is located and installs the carousel on the one end outside the box.

Preferably, a plurality of rollers are arranged on the bottom surface of the movable plate, and the rollers are in contact with the inner bottom surface of the box body.

Preferably, the rope winding and unwinding mechanism comprises a fixing frame arranged on the top plate, a shaft lever is rotatably arranged on the fixing frame, a rope winding roller is fixedly sleeved on the shaft lever, the connecting rope is wound on the rope winding roller, a motor is arranged on one side of the fixing frame, and a power output shaft of the motor is fixedly communicated with one end of the shaft lever.

Preferably, a plurality of movable wheels are arranged on the bottom surface of the bottom plate, two adjacent support rods are connected with reinforcing rods, a driving motor is arranged on the bottom surface of the mounting plate, and a power output shaft of the driving motor penetrates through the mounting plate and is fixedly connected with the top plate.

Preferably, the bottom plate is connected with a plurality of threaded rods in a threaded manner, the upper ends of the threaded rods are fixedly connected with rotating rods, and the lower ends of the threaded rods are connected with a base in a rotating manner.

Preferably, a level gauge is mounted on the top surface of the bottom plate.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the box body and the adjusting assembly are arranged, and the distance between the two lifting hooks is adjusted through the adjusting mechanism according to the specification of the lifted articles, so that the stability during lifting can be effectively improved.

2. According to the utility model, by arranging the level gauge, the rotating rod, the threaded rod and the base, whether the bottom plate is in a horizontal state is judged by observing the level gauge, if the bottom plate is in a non-horizontal state, the corresponding rotating rod is rotated to drive the threaded rod to rotate and move downwards, so that the base is driven to move downwards, and the corner height of the bottom plate is regulated, so that the bottom plate can be conveniently regulated to the horizontal state, and the stability of the device is improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a left side view of the cord retracting mechanism of the present utility model;

FIG. 3 is a right side view of the lifting mechanism of the present utility model;

reference numerals: 1. a bottom plate; 11. a support rod; 12. a reinforcing rod; 13. a moving wheel; 14. a level gauge; 15. a rotating lever; 16. a threaded rod; 17. a base; 18. a mounting plate; 19. a driving motor; 2. a top plate; 21. a pulley; 22. a connecting rope; 3. a rope winding and unwinding mechanism; 31. a fixing frame; 32. a motor; 33. a shaft lever; 34. a rope collecting roller; 4. a lifting mechanism; 41. a cross plate; 42. a case; 43. a wire rope; 44. a chute; 45. a screw rod; 451. a turntable; 46. a lead screw nut; 47. a movable plate; 48. a roller; 49. and (5) a lifting hook.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a lifting device comprises a bottom plate 1, wherein a plurality of supporting rods 11 are arranged on the top surface of the bottom plate 1, mounting plates 18 are welded at the upper ends of the plurality of supporting rods 11, reinforcing rods 12 are arranged between two adjacent supporting rods 11, a top plate 2 is rotatably arranged on the top surface of the mounting plates 18, a driving motor 19 is arranged on the bottom surface of the mounting plates 18, a power output shaft of the driving motor 19 penetrates through the mounting plates 18 and is fixedly connected with the top plate 2, and when the driving motor 19 runs, the top plate 2 is driven to rotate; the left side of the top surface of the top plate 2 is provided with a fixing frame 31, one side of the fixing frame 31 is provided with a motor 32, a power output shaft of the motor 32 is fixedly connected with a shaft lever 33, the shaft lever 33 penetrates one side of the fixing frame 31 and is rotationally connected with the fixing frame 31, a rope collecting roller 34 is fixedly sleeved on the part of the shaft lever 33 positioned in the fixing frame 31, a connecting rope 22 is wound on the rope collecting roller 34, the other end of the connecting rope 22 is fixedly connected with a transverse plate 41, a box body 42 is arranged right below the transverse plate 41, a plurality of connecting ropes 22 are arranged between the box body 42 and the transverse plate 41, a sliding groove 44 is penetrated and formed in the bottom surface of the box body 42, a screw 45 is rotationally connected with the box body 42, lines at two ends of the screw 45 are reversely arranged, screw nuts 46 are arranged on the screw rods 45, a movable plate 47 is fixedly connected with the screw nuts 47, two lifting hooks 49 are arranged on the bottom surface of the movable plate 47, the two lifting hooks 49 penetrate through the flower city and are slidingly connected with the sliding groove 44, one end of the screw rods 45 positioned outside the box body 42 is provided with a rotary table 451, when the rotary table 45 rotates, the two opposite lines 45 are driven by the screw nuts 45 to move in opposite directions, and move in opposite directions when the two screw nuts 47 are opposite to each other, and move the screw nuts 47 at the same time;

in order to improve the stability of the movable plate 47, a plurality of rollers 48 are mounted on the bottom surface of the movable plate 47, and the plurality of rollers 48 are in contact with the inner bottom surface of the case 42, so that the rollers 48 support the movable plate 47;

in order to prevent scraping between the connection rope 22 and the top plate 2, a pulley 21 is mounted on the top surface of the top plate 2, and the connection rope 22 passes around the pulley 21; in order to improve the flexibility of the base plate 1, a plurality of moving wheels 13 are mounted on the bottom surface of the base plate 1; install bubble spirit level 14 on the top surface of bottom plate 1, threaded connection has a plurality of threaded rods 16 on bottom plate 1, the upper end fixedly connected with dwang 15 of threaded rod 16, the lower extreme rotation of threaded rod 16 is connected with base 17, during the use, through observing spirit level 14, judge whether bottom plate 1 is in the horizontality, if bottom plate 1 is in non-horizontality, then through rotating corresponding dwang 15, drive threaded rod 16 rotatory and move down, and then drive base 17 move down, and then adjust bottom plate 1's corner height, thereby be convenient for adjust horizontality with bottom plate 1.

Working principle: before use, the device is pushed to a designated place, and then the rotating rods 15 are sequentially rotated, so that the rotating rods 15 drive the threaded rods 16 to rotate, and then the base 17 is driven to move, and then the base 17 is contacted with the ground, so that the moving wheel 13 is separated from the ground, and the device is fixed on the ground; then, whether the bottom plate 1 is in a horizontal state is judged by observing the level meter 14, if the bottom plate 1 is in a non-horizontal state, the corresponding rotating rod 15 is rotated to drive the threaded rod 16 to rotate and move downwards, and then the base 17 is driven to move downwards, so that the corner height of the bottom plate 1 is adjusted, and the bottom plate 1 is convenient to adjust the horizontal state.

In use, the operator adjusts the spacing between the two hooks 49 according to the specifications of the article being lifted, specifically by: the rotating disc 451 is rotated to drive the screw rods 45 to rotate, so that the two screw rod nuts 46 are driven to move, the two movable plates 47 are driven to move through the screw rod nuts 46, and the distance between the two lifting hooks 49 is adjusted, so that the stability of the device in lifting is effectively improved; then when two lifting hooks 49 are hung on the article to be lifted, the motor 32 is started, so that the power output shaft of the motor 32 drives the shaft lever 33 to rotate, and then the rope collecting roller 34 is driven to rotate, and further the rope collecting roller 34 performs rope collecting action, so that the article is lifted through the connecting rope 22, the transverse plate 41, the steel wire rope 43, the box 42 and the lifting hooks 49; then, the driving motor 19 is started, so that the power output shaft of the driving motor 19 drives the top plate 2 to rotate, further, the lifted object is driven to move, when the lifted object reaches the position right above the designated position, the power output shaft of the motor 32 drives the shaft lever 33 to reversely rotate through the starting motor 32, further, the rope collecting roller 34 is driven to rotate, further, the rope collecting roller 34 is driven to conduct rope releasing, and accordingly, the object is gradually lowered through the connecting rope 22, the transverse plate 41, the steel wire rope 43, the box 42 and the lifting hook 49, and finally falls to the designated position.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a overhead hoist, includes bottom plate (1), bottom plate (1) and mounting panel (18), install a plurality of bracing pieces (11), its characterized in that between bottom plate (1) and mounting panel (18): the top surface of the mounting plate (18) is rotatably provided with a top plate (2), the top surface of the top plate (2) is provided with a pulley (21), the pulley (21) is connected with a connecting rope (22), one end of the connecting rope (22) is connected with a rope winding and unwinding mechanism (3), and the other end of the connecting rope (22) is connected with a lifting mechanism (4); the lifting mechanism (4) comprises a transverse plate (41) connected with a connecting rope (22), a plurality of steel wire ropes (43) are connected to the transverse plate (41), the other ends of the steel wire ropes (43) are fixedly connected with a box body (42), two lifting hooks (49) are connected to the box body (42) in a sliding mode, and an adjusting assembly used for adjusting the distance between the two lifting hooks (49) is arranged on the box body (42).

2. The trolley of claim 1 wherein: the adjusting component comprises a screw (45), the screw (45) is rotatably arranged in the box body (42), lines at two ends of the screw (45) are reversely arranged, two screw nuts (46) are arranged on the screw (45), movable plates (47) are fixedly connected to the screw nuts (46), two lifting hooks (49) are respectively arranged on the two movable plates (47), the lifting hooks (49) penetrate through sliding grooves (44) formed in the bottom surface of the box body (42) and are in sliding connection with the sliding grooves (44), one end of the screw (45) extends to the box body (42), and a rotary table (451) is arranged at one end of the screw (45) outside the box body (42).

3. The trolley of claim 2 wherein: a plurality of rollers (48) are arranged on the bottom surface of the movable plate (47), and the rollers (48) are contacted with the inner bottom surface of the box body (42).

4. The trolley of claim 1 wherein: the rope winding and unwinding mechanism (3) comprises a fixing frame (31) arranged on a top plate (2), a shaft rod (33) is rotatably arranged on the fixing frame (31), a rope winding roller (34) is fixedly sleeved on the shaft rod (33), the connecting rope (22) is wound on the rope winding roller (34), a motor (32) is arranged on one side of the fixing frame (31), and a power output shaft of the motor (32) is fixedly communicated with one end of the shaft rod (33).

5. The trolley of claim 1 wherein: a plurality of movable wheels (13) are arranged on the bottom surface of the bottom plate (1), reinforcing rods (12) are connected to two adjacent supporting rods (11), a driving motor (19) is arranged on the bottom surface of the mounting plate (18), and a power output shaft of the driving motor (19) penetrates through the mounting plate (18) and is fixedly connected with the top plate (2).

6. The trolley of claim 5 wherein: the novel threaded connection device is characterized in that a plurality of threaded rods (16) are connected to the bottom plate (1) in a threaded mode, a rotating rod (15) is fixedly connected to the upper ends of the threaded rods (16), and a base (17) is connected to the lower ends of the threaded rods (16) in a rotating mode.

7. The trolley according to claim 5 or 6, characterized in that: the top surface of the bottom plate (1) is provided with a level meter (14).