CN218345038U

CN218345038U - Novel tower crane experiment platform

Info

Publication number: CN218345038U
Application number: CN202222587104.XU
Authority: CN
Inventors: 孙振兴; 缪琪卿; 董浩
Original assignee: Nanjing Pride Technology Co ltd
Current assignee: Nanjing Pride Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-20
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a novel tower crane experiment platform relates to tower crane technical field, including base, tower crane support, tower arm, slider, lift by crane structure, drive arrangement and counter weight device, the tower crane support is fixed on the base, and tower crane support and tower arm constitute the tower crane major structure of T type, and tower arm balance erects on the tower crane support, and the rear end of tower arm is provided with a fixed counter weight device, places the balancing weight inside it to guarantee the balance of tower arm. The front end of the tower arm is provided with a sliding device, and a hoisting structure with a lifting hook is arranged below the sliding device. Both sides of the front end and the rear end of the tower arm are connected with the middle of the tower arm through steel wire ropes. Experiment platform control is simple stable, and is safe convenient, can the actual working condition of tower crane in the life of true simulation, need not outdoor tower crane material object of buildding again, can practice thrift manpower resources, reduces experiment required cost and danger, can satisfy scientific research experiment teaching better.

Description

Novel tower crane experiment platform

Technical Field

The utility model relates to a tower crane technical field, concretely relates to novel tower crane experiment platform, mainly used scientific research experiment teaching.

Background

The tower crane is used mainly for vertical and horizontal conveying of material and installation of building member. According to history, 1900 has issued the first tower crane patent for buildings. In 1905, a crane with a fixed tower body and an arm support mounted on the crane appears, in 1923, a prototype model of the modern tower crane is manufactured, and in the same year, the first relatively complete modern tower crane appears. With the technical progress, various devices of the horizontal arm tower crane are continuously optimized and designed, the use performance and the efficiency are improved, parameter indexes such as the performance, the service life and the like of various devices of the tower crane are basically tested on the whole machine in the past, and the time and the effect cannot be guaranteed. Therefore, a reliable and special experimental device needs to be developed. Because the experiment of outdoor tower crane is dangerous cost and high, therefore, need can really simulate the experimental platform of the working condition of tower crane in real life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel tower crane experiment platform can truly simulate the behavior of tower crane in the real life, need not to build the tower crane material object outdoors to reach the purpose of utilizing it to carry out scientific research experiment teaching.

In order to achieve the above object, the utility model provides a following technical scheme: the tower crane comprises a base, the tower crane support, the tower arm, slider, the hoisting structure, drive arrangement and counter weight device, the tower crane support is fixed on the base, tower crane support and tower arm constitute the tower crane major structure of T type, tower arm balance frame is on the tower crane support, the rear end of tower arm is provided with a fixed counter weight device, the balancing weight is placed to its the inside, in order to guarantee the balance of tower arm, the front end of tower arm is equipped with a slider, be provided with the structure of lifting by crane of taking the lifting hook under the slider, the both sides of tower arm front end and rear end all link to each other through wire rope and tower arm centre, be used for sharing the weight of tower arm, reduce the tower crane crooked, drive arrangement is through the third driving motor who controls support and tower arm junction, drive tower arm and the counter weight device on it, slider and the structure of lifting by crane rotate for the body, and measure the rotation angle of whole tower arm through the encoder, the slider of tower arm front end is controlled to move along the tower arm to the first driving motor control the object of lifting by crane on the structure, use the second driving motor control of lifting by crane to move the object of installing and reciprocate to the lifting hook.

Preferably, the driving device comprises three driving motors arranged on the hoisting structure, the rear end of the tower arm and the tower crane support, the third driving motor on the tower crane support drives the whole tower arm to swing along the Y-axis direction, the first driving motor at the rear end of the tower arm drives the synchronous belt, so that the sliding device drives the hoisting structure to hoist a hoisting object to move along the X-axis direction, the second driving motor on the hoisting structure drives the lifting hook to move up and down, and the conditions that the hoisting object swings along the X-axis and the Y-axis and moves up and down are simulated.

Preferably, an encoder is installed on one side of the rotating shaft on the hoisting structure, the encoder is used for feeding back the swing angle information of the suspended heavy object in the hoisting process while the suspended heavy object moves, the encoder feeds back the rotation angle information of the whole tower arm, and the working condition of the tower crane is recorded.

Preferably, photoelectric switches are arranged at two positions of the front end of the tower arm, and are used for limiting, so that the sliding device and the lifting structure are protected from being damaged.

Compared with the prior art, the utility model provides a tower crane experiment platform has following beneficial effect:

experiment platform is simple stable, and is safe convenient, can truly simulate the behavior of tower crane in the real life, need not to build the tower crane material object outdoors, can practice thrift manpower resources, reduces experiment required cost and danger, can apply to scientific research experiment teaching better.

Drawings

FIG. 1 is the overall structure diagram of the present invention

FIG. 2 is the structure schematic diagram of the base and tower crane support of the utility model

FIG. 3 is a schematic view of the tower arm structure of the present invention

Fig. 4 is a schematic view of the lifting structure of the present invention

FIG. 5 is a schematic view of a part of the driving device of the present invention

Fig. 6 is the utility model discloses a concrete structure schematic diagram of the swing angle measuring device of the hoisting structure

In the figure: 1. a base; 2. a tower crane bracket; 3. a tower arm; 4. a sliding device; 5. a hoisting structure; 6. a drive device; 7. a counterweight device; 8. a synchronizing wheel; 9. a synchronous belt; 10. a slider; 11. a guide rail; 12. a photoelectric switch; 13. a first drive motor; 14. a wire rope; 15. a roller; 16. a first link; 17. a first coupling; 18. a copper stud; 19. a second drive motor; 20. a first encoder; 21. a metal sheet; 22. a second encoder; 23. a second link; 24. a second coupling; 25. a third drive motor; 26. a toothless slew bearing; 27. a rotating shaft; 28. and a guide shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides a technical solution: novel tower crane experiment platform, including base 1, tower crane support 2, tower arm 3, slider 4, hoisting structure 5, be used for driving tower arm 3, slider 4 and the drive arrangement 6 of lifting hook motion, a counter weight device 7 for balancing tower arm 3, be used for sharing the weight of tower arm 3, reduce its crooked wire rope 14, a first encoder 20 for feeding back jack-up object swing angle information, a second encoder 22 for feeding back whole tower arm 3 rotation angle, a photoelectric switch 12 that is used for spacing protection slider 4 and hoisting structure 5 not damaged.

Base 1 is connected through the hexagon socket head cap screw with tower crane support 2 to reach the purpose of supporting whole tower crane.

The counterweight block is placed in the counterweight device 7, the counterweight block is installed at the rear end of the tower arm 3 through the hexagon socket head cap screws, the installation position of the counterweight device can be adjusted as required, so that the purpose of balancing the tower arm 3 is achieved, the front end and the rear end of the tower arm 3 are connected with the middle of the tower arm 3 through the steel wire rope 14, the counterweight block is used for sharing the weight of the tower arm 3, and the bending of the counterweight block is reduced.

The third driving motor 25 for controlling the whole rotation of the tower arm 3 is connected with the second connecting rod 23 through the second coupler 24, and the second connecting rod 23 penetrates through the toothless rotating bearing 26 to be connected with the bottom of the tower arm 3, so that the tower crane support 2 and the tower arm 3 form a T-shaped tower crane main body structure, and the tower arm 3 and the counterweight device 7, the sliding device 4 and the hoisting structure 5 on the tower arm 3 can be driven to rotate relative to the tower body.

The sliding device 4 is connected with the guide rail 11 through the lower part of the sliding block 10, the upper part of the sliding device is connected with the synchronous belt 9, and the first driving motor 13 of the driving device 6 at the rear end of the tower arm 3 drives the synchronous wheel 8 to rotate, so that the synchronous belt 9 moves along with the synchronous wheel, and the sliding device 4 is controlled to drive the hoisting structure 5 to hoist a hoisting object to move along the tower arm 3.

The lifting structure 5 is provided with a second driving motor 19 fixed through a copper stud 18 and connected with a first connecting rod 16 through a first coupler 17, the first connecting rod 16 is fixed with a roller 15, a steel wire rope 14 is wound on the roller 15 and extends downwards, two rotating shafts 27 which are vertical to each other and are up and down are arranged below the roller 15, the steel wire rope 14 passes through a guide groove in the middle of the two rotating shafts 27 and penetrates through a guide shaft 28 used for guiding a hanging hook to enable a hung heavy object to swing along an X axis and a Y axis, the guide shaft 28 and the rotating shafts 27 are fixed through a jackscrew, the position of the guide shaft 28 is fixed through a gasket, and the tail end of the steel wire rope 14 is provided with the hanging hook.

The first encoder 20 is installed on the rotating shaft 27 on the hoisting structure 5, the first encoder 20 is used for feeding back the angle information of the swing of the suspended heavy object in the hoisting process while the suspended heavy object moves, and the second encoder 22 feeds back the rotating angle of the whole tower arm 3, so that an experimenter can analyze data, and a near-step experiment can be carried out.

Photoelectric switches 12 are equipped with at two positions of tower arm 3 front end, use it to carry on spacingly, and when sheetmetal 21 got into photoelectric switches 12, the motor was cut off the power supply immediately for protection slider 4 and lift by crane structure 5 did not receive the damage, increased tower crane experiment platform life.

The working principle is as follows: through the third driving motor 25 of control tower crane support 2 and tower arm 3 junction, drive counter weight device 7 on tower arm 3 and the tower arm 3, slider 4 and hoisting structure 5 rotate for the body of the tower, swing along the Y axle direction promptly, and through using slider 4 that the first driving motor 13 control tower arm 3 front end of tower arm 3 rear end to move along the tower arm 3 promptly and remove along the X axle direction, use the second driving motor 19 control lifting hook that installs on hoisting structure 5 to make the object reciprocate, the angle information that the rethread each encoder read, the whole tower crane behavior of feedback.

Claims

1. A novel tower crane experimental platform is characterized by comprising a base (1), a tower crane support (2), a tower arm (3), a sliding device (4), a hoisting structure (5), a driving device (6) and a counterweight device (7), wherein the tower crane support (2) is fixed on the base (1), the tower crane support (2) and the tower arm (3) form a T-shaped tower crane main body structure, the tower arm (3) is erected on the tower crane support (2) in a balanced manner, the rear end of the tower arm (3) is provided with the fixed counterweight device (7), the counterweight is placed in the tower arm to ensure the balance of the tower arm (3), the front end of the tower arm (3) is provided with the sliding device (4), the hoisting structure (5) with a hook is arranged below the sliding device (4), the front end and the rear end of the tower arm (3) are connected with the middle of the tower arm (3) through steel wire ropes (14) on two sides, the tower arm (3) is used for sharing the weight of the tower arm (3), the bending is reduced, the driving device (6) drives a third driving motor (25) at the connection position of the tower arm (3) and drives the tower arm (3) to measure the rotation angle of the tower arm (22) and the second counterweight device (22), a first driving motor (13) at the rear end of the tower arm (3) is used for controlling a sliding device (4) at the front end of the tower arm (3) to move along the tower arm (3), and a second driving motor (19) arranged on the hoisting structure (5) is used for controlling the lifting hook to move up and down the object.

2. The novel tower crane experimental platform of claim 1, characterized in that: drive arrangement (6) are including setting up at hoisting structure (5), three driving motor on tower arm (3) rear end and tower crane support (2), third driving motor (25) above tower crane support (2) drive tower arm (3) whole along the swing of Y axle direction, first driving motor (13) of tower arm (3) rear end drive hold-in range (9), make slider (4) drive hoisting structure (5) and hanging the jack-up object and remove along X axle direction, second driving motor (19) on hoisting structure (5) take the lifting hook to reciprocate, thereby the simulation is lifted by crane in-process jack-up object and the condition that the object reciprocated along the swing state of X and Y axle.

3. The novel tower crane experimental platform of claim 2, characterized in that: first encoder (20) are installed to one side of last axis of rotation (27) of lifting by crane structure (5), use first encoder (20) feedback to lift by crane the wobbling angle information of in-process suspension weight when the heavy object that hangs removes, and the rotation angle information of whole tower arm (3) is fed back in second encoder (22), records tower crane behavior.

4. The novel tower crane experimental platform of claim 2, characterized in that: photoelectric switches (12) are arranged at two positions of the front end of the tower arm (3), and the photoelectric switches (12) are used for limiting and protecting the sliding device (4) and the hoisting structure (5) from being damaged.