CN221836624U - Hoisting equipment - Google Patents

Abstract

The present application relates to a lifting device, characterized in that it comprises: a lifting part, a luffing winch and a slewing platform; the slewing platform comprises: a base and a rotating table; the rotating table is movably arranged on the base, and the lifting part and the luffing winch are both arranged on the rotating table; the lifting part comprises: a lifting frame and a lifting arm; one end of the lifting frame is fixedly arranged on the slewing platform, and the other end of the lifting frame is provided with a first pulley; one end of the lifting arm is hinged on one side of the slewing platform, and the luffing winch is connected to the other end of the lifting arm through the first pulley; the lifting arm is provided with a first winch hook part and a second winch hook part, and the first winch hook part and the second winch hook part are both suitable for lifting heavy objects. The present application has a perfect overall structure and functions, a solid base, can withstand large pulling force, and has high lifting efficiency; it also solves the problem of being unable to lift and turn from the source.

Description

Lifting equipment

Technical Field

The present application relates to the field of lifting technology, and in particular to a lifting device.

Background Art

The offshore platform crane is a special lifting equipment installed on the deck of the offshore platform. It is widely used in various offshore platforms and is an important component of the offshore platform. On the platform, the offshore platform crane frequently lifts equipment and picks up and drops off workers on the platform every day, and its utilization rate is relatively high. The existing lifting equipment can refer to the crane with publication number CN203428794U. The base is placed on the ground, the motor is started, the steel rope is lowered, the weight is hung on the hook of the steel rope, the motor is started again, and the steel rope is retracted to lift the weight to the height of the crane. However, the base of the equipment cannot be rotated, resulting in the crane can only lift in one direction during operation, unable to rotate the angle, and the lifting range is small.

Summary of the invention

In view of this, the present application proposes a lifting device suitable for achieving lifting and steering.

According to one aspect of the present application, a lifting device is provided, characterized in that it comprises: a lifting part, a luffing winch and a slewing platform;

The slewing platform includes: a base and a rotating platform; the rotating platform can be movably arranged on the base, and the hoisting part and the luffing winch are both arranged on the rotating platform;

The lifting part includes: a lifting frame and a lifting arm; one end of the lifting frame is fixedly arranged on the rotating platform, and the other end of the lifting frame is provided with a first pulley; one end of the lifting arm is hinged to one side of the rotating platform, and the variable-length winch is connected to the other end of the lifting arm through the first pulley;

The lifting arm is provided with a first winch hook part and a second winch hook part, and both the first winch hook part and the second winch hook part are suitable for lifting heavy objects.

In a possible implementation, the slewing platform further includes: a slewing bearing;

The slewing platform is arranged on the inner side of the slewing bearing, and the base is fixed on the outer side of the slewing bearing.

In a possible implementation, the lifting frame includes: two tripods and more than two connecting rods;

The two tripods are arranged opposite to each other, and more than two connecting rods are arranged between the two tripods.

In a possible implementation, a fixing plate is provided at the top of each of the two tripods;

The first pulley is rotatably arranged between the two fixing plates.

In a possible implementation, it further includes: a first maintenance platform and a second maintenance platform;

The first maintenance platform is arranged on one side of the base, and the second maintenance platform is arranged on one end of the lifting frame.

In a possible implementation, the lifting frame further includes: a limiting buffer rod;

One end of the limiting buffer rod is arranged on one side of the tripod, and the other end of the limiting buffer rod is provided with buffer glue.

In a possible implementation, the first winch hook portion includes: a first winch and a first hook;

The first winch is arranged at one end of the lifting arm close to the slewing platform, and the first hook is arranged at one end of the lifting arm away from the slewing platform;

The first winch is connected to the first hook through a steel wire rope.

In a possible implementation, the lifting arm is provided with a secondary lifting arm;

The auxiliary boom is located at the end of the lifting arm away from the slewing platform.

In a possible implementation, the second winch hook portion includes: a second winch and a second hook;

The second winch is arranged at one end of the lifting arm close to the slewing platform, and the second hook is arranged at one end of the auxiliary lifting arm;

The second winch is connected to the second hook through a steel wire rope.

In a possible implementation, the second winch hook portion further includes: a second pulley and a third pulley;

The second pulley and the third pulley are adjacently arranged between the second winch and the second hook, and the wire rope passes through the second pulley and the third pulley in sequence.

Beneficial effects: The overall structure of the application is perfect, the base is strong, and it can withstand greater tension and hoisting efficiency. The steel rope lifts the lifting arm through the first pulley, which cleverly saves effort. By using the application to carry out operations, it not only replaces the traditional working method and makes the heavy work easier, but also solves the problem of being unable to lift and turn from the source.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments with reference to the attached drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the present application and, together with the description, serve to explain the principles of the present application.

FIG1 shows a front view of a lifting device according to an embodiment of the present application;

FIG2 shows a top view of a lifting device according to an embodiment of the present application;

FIG3 shows a partial enlarged view of the lifting device according to an embodiment of the present application;

FIG4 shows a partial enlarged view of the lifting device according to an embodiment of the present application;

FIG5 is a partial enlarged view of the lifting device according to an embodiment of the present application;

FIG6 is a partial enlarged view of the lifting device according to an embodiment of the present application;

FIG7 shows a partial enlarged view of the lifting device according to an embodiment of the present application;

FIG. 8 shows a side view of the lifting device according to an embodiment of the present application.

DETAILED DESCRIPTION

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

Among them, it needs to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model or simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, in order to better illustrate the present application, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

Figure 1 shows a front view of the lifting equipment of an embodiment of the present application; Figure 2 shows a top view of the lifting equipment of an embodiment of the present application; Figure 3 shows a partial enlarged view of the lifting equipment of an embodiment of the present application; Figure 4 shows a partial enlarged view of the lifting equipment of an embodiment of the present application; Figure 5 shows a partial enlarged view of the lifting equipment of an embodiment of the present application; Figure 6 shows a partial enlarged view of the lifting equipment of an embodiment of the present application; Figure 7 shows a partial enlarged view of the lifting equipment of an embodiment of the present application; Figure 8 shows a side view of the lifting equipment of an embodiment of the present application. As shown in Figure 1, the lifting equipment is characterized in that it includes: a lifting part, a luffing winch 300 and a rotating platform; the rotating platform includes: a base 210 and a rotating table 100; the rotating table 100 can be movably arranged on the base 210, and the lifting part and the luffing winch 300 are both arranged on the rotating table 100; the lifting part includes: a lifting frame and a lifting arm 700; one end of the lifting frame is fixedly arranged on the rotating platform, and the other end of the lifting frame is provided with a first pulley 630; one end of the lifting arm 700 is hinged to one side of the rotating platform, and the luffing winch 300 is connected to the other end of the lifting arm 700 through the first pulley 630; the lifting arm 700 is provided with a first winch hook part and a second winch hook part, and the first winch hook part and the second winch hook part are both suitable for lifting heavy objects.

Here, it should be noted that the lifting part is suitable for lifting heavy objects, the luffing winch 300 is suitable for providing lifting power for the lifting part, the slewing platform is suitable for realizing the rotation of the lifting part, the base 210 is suitable for providing the lifting platform, and the rotating table 100 can rotate on the base 210, thereby driving the lifting part to rotate, so that the lifting part can lift heavy objects in different directions and meet the lifting work in different directions. The lifting frame supports the first pulley 630, and the steel rope on the luffing winch 300 passes through the first pulley 630 and is suitable for pulling one end of the lifting arm 700, so that the lifting arm 700 rotates in a circle with the point where the lifting arm 700 is connected to the slewing platform as the center, so as to realize the lifting and lowering of the lifting arm 700. The first winch hook part and the second winch hook part are both arranged on the lifting arm 700. The arrangement of the two winch hook parts can lift heavy objects individually or simultaneously. When lifting goods, the goods are hung on the hook, and the lifting and lowering of the hook and the lifted goods are controlled by retracting and releasing the wire rope. The overall structure of the present application is perfect in function, the base 210 is strong, can withstand a large pulling force, and has a high lifting efficiency. The steel rope lifts the lifting arm 700 through the first pulley 630, which cleverly plays a labor-saving role. By using the present application for operation, it not only replaces the traditional working method and makes the heavy work easier; it also solves the problem of being unable to lift and turn from the source.

In a possible implementation, the rotary platform further includes: a rotary bearing 200; the rotating platform 100 is arranged on the inner side of the rotary bearing 200, and the base 210 is fixed on the outer side of the rotary bearing 200. The main body of the rotating platform 100 is a rectangular parallelepiped structure, the rotary bearing 200 is arranged at the bottom of the rotating platform 100, the rotary bearing 200 is flat on the base 210, the rotary bearing 200 is located between the base 210 and the rotating platform 100, the bottom surface of the rotating platform 100 is connected to the inner ring of the rotary bearing 200 by bolts, and the top surface of the base 210 is connected to the outer ring of the rotary bearing 200 by bolts; under the action of the rotary bearing 200, the rotating platform 100 can rotate relative to the base 210.

In a possible implementation, it further includes: more than two rotary drive hydraulic motors. The rotary drive rotary motor base is installed inside the cavity of the base 210 and fixed, and the driving end of the rotary drive rotary motor is transmission-connected with the rotating platform 100, and the rotary drive rotary motor rotates together with the rotating platform 100.

A circle of rotating gear ring is provided on the outer wall of the bottom of the rotating platform 100; a driving gear is provided on the output shaft of the rotary motor for rotating; and the driving gear meshes with the rotating gear ring on the outer wall of the rotating platform 100. The bottom of the rotary motor for rotating is fixedly connected to the base 210 through the gear ring, and when the output shaft of the rotary motor rotates, the driving gear is driven to rotate. After the rotating driving gear meshes with the rotating gear ring of the rotating platform 100, the rotating platform 100 is driven to rotate, thereby realizing the rotation function of the rotating platform 100.

The lifting arm 700 is connected to the rotating platform through two pins. Two pin lugs are installed on the side of the rotating platform. A pin hole is opened at the root of the lifting arm 700. The root of the lifting arm 700 is inserted between the two pin lugs and a pin is used to pass through for rotatable connection.

In a possible implementation, it also includes: a luffing winch 300 and a luffing winch mounting frame 310; the luffing winch mounting frame 310 is arranged on one side of the rotating platform 100 of the rotating platform, and the luffing winch 300 is installed inside the luffing winch mounting frame 310. It should be noted that the luffing winch mounting frame 310 is suitable for providing an installation platform for the luffing winch 300. The luffing winch 300 has a rope storage capacity, which is used to make the load-bearing or non-load-bearing lifting arm 700 luff and maintain its position. So as to realize the lifting and lowering of the load-bearing objects by the lifting arm 700. Further, the luffing winch 300 includes: a drum, a hydraulic motor and a planetary gear reduction box; and the output end of the hydraulic motor is connected to the planetary gear reduction box, and the output shaft of the planetary gear reduction box is connected to the rotating shaft of the drum.

In a possible implementation, the planetary gear reduction box includes: a connecting block, a first planetary gear set, a second planetary gear set and a housing; the connecting block is fixedly connected to the housing, the housing is fixedly connected to the connecting block, the first planetary gear set and the second planetary gear set are both installed in the housing, the first planetary gear set is transmission-connected to the output shaft of the hydraulic motor, and the second planetary gear set is transmission-connected to the first planetary gear set. The first planetary gear set includes: a first sun gear, a plurality of first planetary gears and a first planet carrier; the second planetary gear set includes: a second sun gear, a plurality of second planetary gears and a second planet carrier; the first sun gear is fixed to the output shaft of the hydraulic motor and rotates synchronously with the output shaft of the hydraulic motor, a plurality of first planetary gears are installed on one side of the first planet carrier and mesh with the first sun gear, the second sun gear is installed on the other side of the first planet carrier and rotates synchronously with the first planet carrier, and a plurality of second planetary gears are installed on one side of the second planet carrier and mesh with the second sun gear. The output shaft of the hydraulic motor rotates to drive the first sun gear to rotate, and the first sun gear drives the first planetary gear and the first planetary carrier to rotate to achieve primary reduction. The first planetary carrier drives the second sun gear to rotate, and the second sun gear drives the second planetary gear and the second planetary carrier to rotate to achieve secondary reduction. The second planetary carrier drives the output shaft to rotate to achieve speed reduction output to the reel.

In a possible implementation, a steel wire rope is wound around the drum, and the luffing angle of the lifting arm 700 is controlled by retracting and releasing the steel wire rope through the forward and reverse rotation of the luffing winch 300 .

In a possible implementation, the lifting frame includes: two tripods and two or more connecting rods 614; the two tripods are arranged opposite to each other, and the two or more connecting rods 614 are arranged between the two tripods. As shown in FIG5 , the tripod includes: a first support rod 600 and a second support rod 610; one end of the first support rod 600 is vertically connected to the rotating platform, the other end of the first support rod 600 is connected to a fixing plate 620, one end of the second support rod 610 is connected to the rotating platform, a preset angle is set between the body length direction of the second support rod 610 and the surface where the rotating platform is located, and the other end of the second support rod 610 is connected to the fixing plate 620. It should be noted that the first support rod 600 is suitable for supporting and fixing the first pulley 630, and the second support rod 610 is suitable for reinforcing the first support rod 600.

In a possible implementation, two tripods are provided, and the two tripods are arranged in parallel on the rotating table 100. In order to improve the stability between the two tripods, a plurality of connecting rods 614 are provided between the two tripods; further, two connecting rods 614 are provided between the two first support rods 600; and two connecting rods 614 are provided between the two second support rods 610.

In a possible implementation, the tops of the two tripods are provided with a fixed plate 620; the first pulley 630 is rotatably arranged between the two fixed plates 620. As shown in FIG6 , the main body of the fixed plate 620 is a triangular plate structure, one corner of which is connected to the first support rod 600, one corner of which is connected to the second support rod 610, and the other corner is fixed with a pin; the main body of the pin is a round rod structure, the pin is arranged between the two fixed plates 620 of the two tripods, and the first pulley 630 is mounted on the pin and can be rotatably arranged. The wire rope of the luffing winch 300 is led from the drum of the luffing winch 300 to the first pulley 630, and then passed through the first pulley 630 to the lifting arm 700, so as to realize the luffing angle of the lifting arm 700 by retracting and releasing the wire rope through the forward and reverse rotation of the luffing winch 300.

In a possible implementation, it also includes: a first maintenance platform 220 and a second maintenance platform 640; the first maintenance platform 220 is arranged on one side of the base 210, and the second maintenance platform 640 is arranged at one end of the lifting frame. It should be noted that the first maintenance platform 220 is suitable for workers to perform maintenance and repairs on the base 210; the second maintenance platform 640 is suitable for workers to perform maintenance and repairs on the first pulley 630. Furthermore, the sides of the first maintenance platform 220 and the second maintenance platform 640 are both provided with guardrails to play a role in safety protection. A ladder 650 is provided on one side of the second maintenance platform 640, which is suitable for workers to enter the second maintenance platform 640 from the ladder 650.

In a possible implementation, the lifting frame further includes: a limit buffer rod 611; one end of the limit buffer rod 611 is arranged on one side of the lifting frame through a connecting plate 613, and the other end of the limit buffer rod 611 is provided with buffer rubber. As shown in FIG. 4 and FIG. 5, the main body of the limit buffer rod 611 is a round rod-shaped structure, the connecting plate 613 is arranged on the tripod, one end of the limit buffer rod 611 is vertically connected to the connecting plate 613, and the other end of the limit buffer rod 611 is arranged corresponding to the lifting arm 700. Furthermore, the rubber adopts buffer vulcanized rubber, and the function of the limit buffer rod 611 is to mechanically limit the lifting arm 700, to prevent the lifting arm 700 from hitting the lifting frame when it is lifted to a maximum elevation angle of more than 86°, and to prevent the lifting arm 700 from damaging the lifting frame.

In a possible implementation, it also includes: a reinforcement rod 612; one end of the reinforcement rod 612 is hinged to the connecting rod 614, and the other end of the reinforcement rod 612 is hinged to the limiting buffer rod 611. The reinforcement rod 612 is suitable for supporting and reinforcing the limiting buffer rod 611, improving the stability of the limiting buffer rod 611, and preventing the limiting buffer 611 from breaking after being impacted.

In one possible implementation, the main body of the lifting arm 700 is a long rod structure; a fourth pulley 660 and a pin are provided on one side of the lifting arm 700; both ends of the pin are fixed to the head of the lifting arm 700 by two fixing ear plates respectively; the fourth pulley 660 is rotatably set on the pin, and the wire rope passes through the first pulley 630 and is led to the fourth pulley 660 of the lifting arm 700, and is sleeved on the fourth pulley 660. The wire rope is lifted by the friction force of the fourth pulley 660 to realize the lifting of the lifting arm 700.

In a possible implementation, the first winch hook part includes: a first winch 810 and a first hook 800; the first winch 810 adopts a hydraulic motor to drive a reduction gearbox, and the reduction gearbox is externally connected to a wire rope drum. The first winch 810 is arranged at one end of the lifting arm 700 close to the rotary platform, and the first hook 800 is arranged at one end of the lifting arm 700 away from the rotary platform; the first winch 810 is connected to the first hook 800 through a wire rope. As shown in FIG3 , the first winch 810 is fixed to the inside of the lifting arm 700 through a mounting plate, and a wire rope is installed on the drum of the first winch 810. The wire rope is pulled to the first hook 800, and the wire rope is retracted and released by the forward and reverse rotation of the drum to control the lifting and falling of the first hook 800; it should be noted that the first hook 800 is a 50t large hook of the lifting equipment, which is suitable for lifting objects with larger weights.

In a possible implementation, the first hook 800 is provided with a movable pulley group; the first hook 800 is connected below the movable pulley group; the wire rope is connected to the first hook 800 through the movable pulley group; the number of wire rope strands is increased by increasing the number of movable pulleys. The movable pulley group is located below the fourth pulley 660. As shown in FIG7 , the movable pulley group includes three pulleys, namely, the fifth pulley 820, the sixth pulley 830, and the seventh pulley 840; the three pulleys are all provided with a pin shaft, and the two ends of the pin shaft are fixed to the head of the lifting arm 700 through a fixing ear plate, and the three pulleys are rollingly arranged on the pin shaft. The wire rope passes through the fifth pulley 820, the sixth pulley 830, and the seventh pulley 840 respectively and is connected to the first hook 800. Since the upper part of the first hook 800 is a movable pulley group, the wire rope is wound around the fifth pulley 820, the sixth pulley 830, the seventh pulley 840 of the movable pulley group and the fourth pulley 660 on the head structure of the lifting rod.

In a possible implementation, the lifting arm 700 is provided with an auxiliary lifting arm 710; the auxiliary lifting arm 710 is located at an end of the lifting arm 700 away from the rotary platform. A preset angle is set between the length direction of the auxiliary lifting arm 710 and the length direction of the lifting arm 700.

In a possible implementation, the second winch hook part includes: a second winch 910 and a second hook 900; the second winch 910 is arranged at one end of the lifting arm 700 near the rotary platform, and the second hook 900 is arranged at one end of the auxiliary lifting arm 710; the second winch 910 is connected to the second hook 900 through a wire rope. As shown in Figures 3 and 7, the second winch 910 is fixed inside the lifting arm 700 through a mounting plate, and a wire rope is installed on the drum of the second winch 910. The wire rope is pulled to the second hook 900, and the wire rope is retracted and released by the forward and reverse rotation of the drum to control the lifting and falling of the second hook 900; it should be noted that the second hook 900 is a 10t small hook of the lifting equipment, which is suitable for lifting objects with smaller weights.

In a possible implementation, the second winch hook part further includes: a second pulley 930 and a third pulley 920; the second pulley 930 and the third pulley 920 are adjacently arranged between the second winch 910 and the second hook 900, and the wire rope passes through the second pulley 930 and the third pulley 920 in sequence and is connected to the second hook 900. Further, the second pulley 930 is rollably arranged at one end of the auxiliary boom 710 connected to the lifting arm 700 through an axle pin, and the third pulley 920 is rollably arranged at the middle of the auxiliary boom 710 through an axle pin; under the support of the second pulley 930 and the third pulley 920, the wire rope is easy to move and can avoid contact with the auxiliary boom 710 to cause friction damage.

In a possible implementation, it also includes: a crane cab platform assembly 500, which is arranged on the rotating platform 100, and has a control console inside, which is suitable for controlling the rise and fall of the lifting arm 700; the rotation of the rotating platform and other functions. Furthermore, the control console adopts Mitsubishi PLC control, which drives the rotating platform 100 to rotate by controlling the rotary drive hydraulic motor, controls the luffing winch 300 to achieve the luffing of the lifting arm 700, and controls the first winch 810 and the second winch 910 to achieve the lifting and lowering functions of the two hooks.

In a possible implementation, it also includes: a power room component 400, which is arranged on the rotating table 100; the power room component 400 is equipped with two 165KW motors, the output ends of which are respectively connected to two hydraulic pumps, and the motors serve as power sources to drive the two hydraulic pumps, and the hydraulic pumps provide hydraulic power for each hydraulic motor of the present application.

The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A lifting device, characterized in that it comprises: a lifting part, a luffing winch and a slewing platform; The revolving platform comprises: a base and a rotating platform; the rotating platform can be movably arranged on the base, and the lifting part and the luffing winch are both arranged on the rotating platform; The lifting part comprises: a lifting frame and a lifting arm; one end of the lifting frame is fixedly arranged on the rotating platform, and the other end of the lifting frame is provided with a first pulley; one end of the lifting arm is hinged to one side of the rotating platform, and the luffing winch is connected to the other end of the lifting arm through the first pulley; The lifting arm is provided with a first winch hook part and a second winch hook part, and the first winch hook part and the second winch hook part are both suitable for lifting heavy objects. 2. The lifting equipment according to claim 1, characterized in that the slewing platform further comprises: a slewing bearing; The slewing platform is arranged on the inner side of the slewing bearing, and the base is fixed on the outer side of the slewing bearing. 3. The lifting device according to claim 1, characterized in that the lifting frame comprises: two tripods and more than two connecting rods; The two tripods are arranged opposite to each other, and more than two connecting rods are arranged between the two tripods. 4. The lifting device according to claim 3, characterized in that the top ends of the two tripods are provided with fixing plates; The first pulley is rotatably arranged between the two fixing plates. 5. The lifting equipment according to claim 1, further comprising: a first maintenance platform and a second maintenance platform; The first maintenance platform is arranged on one side of the base, and the second maintenance platform is arranged at one end of the lifting frame. 6. The lifting device according to claim 3, characterized in that the lifting frame further comprises: a limiting buffer rod; One end of the limiting buffer rod is arranged on one side of the tripod, and the other end of the limiting buffer rod is provided with buffer glue. 7. The lifting equipment according to claim 1, characterized in that the first winch hook portion comprises: a first winch and a first hook; The first winch is arranged at one end of the lifting arm close to the rotating platform, and the first hook is arranged at one end of the lifting arm away from the rotating platform; The first winch is connected to the first hook via a steel wire rope. 8. The lifting device according to claim 1, characterized in that the lifting arm is provided with a secondary lifting arm; The auxiliary lifting arm is located at an end of the lifting arm away from the rotating platform. 9. The lifting equipment according to claim 8, characterized in that the second winch hook part comprises: a second winch and a second hook; The second winch is arranged at one end of the lifting arm adjacent to the slewing platform, and the second hook is arranged at one end of the auxiliary lifting arm; The second winch is connected to the second hook via a steel wire rope. 10. The lifting equipment according to claim 9, characterized in that the second winch hook portion further comprises: a second pulley and a third pulley; The second pulley and the third pulley are adjacently arranged between the second winch and the second hook, and the steel wire rope passes through the second pulley and the third pulley in sequence.