CN114249252A - Multi-tower combined crane - Google Patents

Multi-tower combined crane Download PDF

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Publication number
CN114249252A
CN114249252A CN202111425762.2A CN202111425762A CN114249252A CN 114249252 A CN114249252 A CN 114249252A CN 202111425762 A CN202111425762 A CN 202111425762A CN 114249252 A CN114249252 A CN 114249252A
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CN
China
Prior art keywords
tower
jacking
tower body
leveling
controller
Prior art date
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Pending
Application number
CN202111425762.2A
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Chinese (zh)
Inventor
何清华
吴硕博
冯文昌
邹梯
庞丽
贺蔚
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Sunward Intelligent Equipment Co Ltd
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Sunward Intelligent Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sunward Intelligent Equipment Co Ltd filed Critical Sunward Intelligent Equipment Co Ltd
Priority to CN202111425762.2A priority Critical patent/CN114249252A/en
Publication of CN114249252A publication Critical patent/CN114249252A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B66C23/166Simple cranes with jibs which may be fixed or can slew or luff
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention discloses a multi-tower combined crane, which comprises: the tower comprises a tower footing, a plurality of tower bodies, a jacking mechanism, a rotary platform and a loading trolley; the tower body consists of a plurality of standard sections; the bottom of a plurality of tower bodies is installed on the tower footing, each tower body is provided with the jacking mechanism, the top of each jacking mechanism is connected with the bottom of the rotary platform, and the upper vehicle is installed on the rotary platform. According to the multi-tower combined crane, the multi-tower combined tower bodies are innovatively adopted, the distance between the tower bodies is large enough, the stability is greatly enhanced, and the tower bodies adopt the common standard sections and the jacking mechanisms with mature technologies to replace the ultra-large standard sections and the large jacking mechanisms, so that the multi-tower combined crane is easy to transport and install.

Description

Multi-tower combined crane
Technical Field
The invention relates to the technical field of tower cranes, in particular to a multi-tower combined crane.
Background
The onshore wind power is developed for 10 years, the installed capacity of a single machine to the hub height of a fan and the like are continuously increased, and the requirement on wind power hoisting is more and more strict. Most of the existing truck cranes and crawler cranes can not meet the hoisting requirements. Aiming at the onshore wind power hoisting difficulty of more than 150 meters in the existing market, a large wind power hoisting tower crane is provided.
However, the series of tower cranes have large overall section and high manufacturing and transportation cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides the multi-tower combined crane which innovatively adopts multi-tower combined tower bodies, the distance between the tower bodies is large enough, the stability is greatly enhanced, and the tower bodies adopt the common standard sections and the jacking mechanisms with mature technology to replace the ultra-large standard sections and the large jacking mechanisms, so that the transportation and the installation are easier. The technical scheme provided by the invention is as follows:
a multi-tower combination crane comprising:
the tower comprises a tower footing, a plurality of tower bodies, a jacking mechanism, a rotary platform and a loading trolley;
the tower body consists of a plurality of standard sections;
the bottom of a plurality of tower bodies is installed on the tower footing, each tower body is provided with the jacking mechanism, the top of each jacking mechanism is connected with the bottom of the rotary platform, and the upper vehicle is installed on the rotary platform.
The tower foundation comprises a plurality of supporting legs and tower body foundation sections, the tower body foundation sections correspond to the tower body, the bottom of the tower body is installed on the tower body foundation sections, the supporting legs are arranged in a matrix mode, so that at least four supporting legs are distributed on the periphery of each tower body foundation section, and the tower body foundation sections are connected with the adjacent supporting legs through straight beams.
The outer side of the tower body close to the bottom of the tower body is connected with the four adjacent supporting legs through inclined supporting rods.
The number of the tower body is 4, the tower footing includes if 9 landing legs and 4 tower body basis sections, 9 landing legs 3 x 3 matrix are arranged, are "field" word and arrange, 4 tower body basis sections are located respectively four equilateral square's in "field" word center, tower body basis section is connected through a word roof beam with four adjacent landing legs.
The landing leg comprises a landing leg base and a leveling oil cylinder assembly, the leveling oil cylinder assembly is fixedly mounted on the landing leg base, and one end of the straight beam is fixedly connected with the top of the leveling oil cylinder assembly.
The lower end of the inclined supporting rod is connected with the top of the straight beam close to the leveling oil cylinder assembly.
And a transverse supporting rod 10 is arranged between one ends of the two adjacent straight beams close to the leveling cylinder assemblies, and two ends of the transverse supporting rod are respectively connected with one ends of the two adjacent straight beams close to the leveling cylinder assemblies.
In general, the inclined supporting rod is connected with the top of the straight beam close to the leveling cylinder assembly through a pin shaft, the bottom of the straight beam is connected with the top of the leveling cylinder assembly through a bolt,
the inclined supporting rod is connected with the tower body through a pin shaft.
The transverse supporting rods are connected with the straight beams through pin shafts.
The leveling oil cylinder assembly comprises a driving gear, an electric driving device, a locking nut, a base oil cylinder, a displacement sensor and a leveling controller;
the displacement sensor is arranged in the base oil cylinder and used for detecting the displacement of the oil cylinder;
the electric driving device is fixedly connected outside the base oil cylinder, the driving gear is installed on a power output shaft of the electric driving device, a locking nut is arranged on a piston rod of the base oil cylinder, and gear teeth meshed with the driving gear are arranged on the periphery of the locking nut;
the data output end of the displacement sensor is connected with the leveling controller, the electric drive device is connected with the leveling controller, and the leveling controller receives data of the displacement sensor to control the electric drive device.
The locking nut and a piston rod of the base oil cylinder are in threaded connection through trapezoidal threads.
The jacking mechanism comprises a sleeve frame, hydraulic oil cylinders and a jacking cross beam, wherein guide structures are arranged on the sleeve frame and the tower body standard joint, the hydraulic oil cylinders are arranged on two sides of the sleeve frame, the fixed ends of the hydraulic oil cylinders are fixedly connected with the sleeve frame, the movable ends of the hydraulic oil cylinders are connected with the jacking cross beam 34, a clamping groove is formed in the tower body standard joint, and two ends of the jacking cross beam are clamped with the clamping grooves of the standard joints; the jacking mechanism is characterized by further comprising a jacking support rod, a support rod groove is formed in the tower body standard section, one end of the jacking support rod is fixedly connected with the jacking mechanism, and the other end of the jacking support rod is connected with the support rod groove in a clamped mode.
The jacking mechanism further comprises a jacking controller, the jacking controller is respectively connected with the drivers of the hydraulic oil cylinders on the two sides and used for controlling the hydraulic oil cylinders on the two sides, magnetostrictive displacement sensors are arranged in the hydraulic oil cylinders and used for detecting displacement variation of the jacking oil cylinders, and data input ends of the magnetostrictive displacement sensors are connected with the jacking controller.
The multi-tower combined crane further comprises a headquarters controller, the headquarters controller is respectively connected with the jacking controllers, height sensors are arranged on the four jacking mechanisms, and data input ends of the height sensors are connected with the headquarters controller.
Compared with the prior art, the multi-tower combined type crane has the advantages that the multi-tower combined type tower body is innovatively used, the processing, manufacturing and transporting difficulty is reduced, the stability of the multi-tower structure is greatly enhanced, the stability of the multi-tower combined type tower body is enhanced, the synchronous jacking is realized, and the operability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a multi-tower combined crane;
FIG. 2 is a schematic structural diagram of a tower body and a tower footing;
FIG. 3 is a view from the perspective of FIG. 1A-A;
FIG. 4 is a side view of the tower and the foundation;
FIG. 5 is a top view of a tower foundation section;
FIG. 6 is a schematic view of a leg structure;
FIG. 7 is a schematic view of a jacking mechanism;
FIG. 8 is a schematic view of a jacking mechanism incorporating a standard knot;
FIG. 9 is a schematic view of a leveling cylinder assembly;
the device comprises a tower foundation 1, a tower body 2, a jacking mechanism 3, a rotary platform 4, an upper vehicle 5, supporting legs 6, a tower body foundation section 7, a straight beam 8, inclined supporting rods 9, a supporting leg base 61, a leveling cylinder assembly 62, a driving gear 621, an electric driving device 622, a locking nut 623, a base cylinder 624, a displacement sensor 625, a sleeve frame 31, a hydraulic cylinder 32, a jacking supporting rod 33, a jacking cross beam 34, a transverse supporting rod 10 and a reinforcing rod 11.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the meaning of a plurality of "or" a plurality "is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure.
Embodiments of the present invention are written in a progressive manner.
As shown in the accompanying drawings,
a multi-tower combination crane comprising:
the tower comprises a tower footing 1, a plurality of tower bodies 2, a jacking mechanism 3, a rotary platform 4 and an upper vehicle 5;
the tower body 2 consists of a plurality of standard sections;
the bottom of a plurality of tower bodies 2 is installed on the tower footing 1, each tower body 2 is provided with the jacking mechanism 3, the top of the jacking mechanism 3 is connected with the bottom of the rotary platform 4, and the upper vehicle 5 is installed on the rotary platform 4.
Wherein, be equipped with four leveling cylinder between body of the tower 2 top and the rotary platform 4 and be connected, can compensate standard festival manufacturing error, can also be equipped with reinforcing rod 11 between body of the tower 2 and the rotary platform, reinforce the connection between body of the tower 2 and the rotary platform 4.
The upper vehicle 5 is composed of a truss crane, a counterweight, a rotary mechanism and the like.
The tower foundation 1 comprises a plurality of supporting legs 6 and tower body foundation sections 7, the tower body foundation sections 7 correspond to the tower body 2, the bottom of the tower body 2 is installed on the tower body foundation sections 7, the supporting legs 6 are arranged in a matrix mode, so that four supporting legs 6 are at least distributed on the periphery of each tower body foundation section 7, and the tower body foundation sections 7 are connected with the adjacent supporting legs 6 through I-shaped beams 8.
The outer side of the tower body 2 close to the bottom of the tower body is connected with the four adjacent supporting legs 6 through inclined supporting rods 9.
The tower footing 1 provides a bottom surface supporting function for the tower body foundation section 7, so that the tower body 2 is more stable.
As a preferable mode, the number of the tower bodies 2 of the multi-tower combined crane is 4, the tower foundation 1 includes a plurality of 9 supporting legs 6 and 4 tower body foundation sections 7, the 9 supporting legs 63 × 3 are arranged in a matrix and arranged in a shape like a Chinese character tian, the 4 tower body foundation sections 7 are respectively located at the centers of four equilateral squares in the shape like the Chinese character tian, the tower body foundation sections 7 are connected with the four adjacent supporting legs 6 through the straight beams 8, and the equidistant symmetrical distribution of the 4 tower bodies 2 greatly enhances the stability of the multi-tower combined crane.
The supporting leg 6 comprises a supporting leg base 61 and a leveling oil cylinder assembly 62, the leveling oil cylinder assembly 62 is fixedly installed on the supporting leg base 61, and one end of the straight beam 8 is fixedly connected with the top of the leveling oil cylinder assembly 62.
Through the leveling of the leveling oil cylinder, the verticality of the tower body 2 in the vertical direction can be adjusted, and the bottoms of the 4 tower bodies are ensured to be positioned on the same horizontal plane.
Wherein, the lower extreme of diagonal brace 9 is connected with the top that a word roof beam 8 is close to leveling cylinder subassembly 62, further strengthens the stability of body of the tower 2.
And a transverse supporting rod 10 is arranged between one ends of the two adjacent straight beams 8 close to the leveling cylinder assemblies 62, and two ends of the transverse supporting rod 10 are respectively connected with one ends of the two adjacent straight beams 8 close to the leveling cylinder assemblies 62.
Normally, the inclined supporting rod 9 is connected with the top of the straight beam 8 close to the leveling cylinder assembly 62 through a pin, the bottom of the straight beam 8 is connected with the top of the leveling cylinder assembly 62 through a bolt, and the inclined supporting rod 9 is connected with the tower body 2 through a pin.
The transverse supporting rod 10 is connected with the straight beam 8 through a pin shaft.
Further, the leveling cylinder assembly 62 includes a driving gear 621, an electric drive 622, a locking nut 623, a base cylinder 624, a displacement sensor 625 and a leveling controller;
the displacement sensor 625 is installed inside the base cylinder 624 and used for detecting cylinder displacement;
the base oil cylinder 624 is fixedly connected with the electric driving device 622, the driving gear 621 is mounted on a power output shaft of the electric driving device 622, a piston rod of the base oil cylinder 624 is provided with a locking nut 623, and gear teeth meshed with the driving gear 621 are arranged on the periphery of the locking nut 623;
the data output end of the displacement sensor 625 is connected with the leveling controller, the electric drive 622 is connected with the leveling controller, and the leveling controller receives data from the displacement sensor 625 to control the electric drive 622.
The leveling controller is used for adjusting and controlling the base oil cylinder 624, so that the purposes of automatic detection and quick leveling are achieved, and the leveling precision and speed are greatly improved.
When the base cylinder 624 needs to move up and down for leveling, the current cylinder displacement is read through the displacement sensor 625, the movable distance is calculated, after the leveling controller receives data of the displacement sensor 625, whether to execute loosening and upward moving operation of a locking nut at the upper end of the base cylinder 624 is determined according to a calculation result, then a program decision center of the leveling controller determines whether to drive the base cylinder 624 to move up and down according to a feedback result, the locking nut is executed after the target position is reached, stress of a piston rod of the base cylinder 624 is transmitted to a cylinder barrel through the nut, and therefore up and down movement caused by internal leakage of the cylinder is avoided.
The leveling controller can realize monitoring at any time, compares the monitoring result with the set deviation at any time, intelligently carries out fine adjustment, and can realize full automatic leveling within the adjusting range.
The locking nut 623 and a piston rod of the base cylinder 624 are in threaded connection by adopting trapezoidal threads, so that the locking nut 623 is prevented from freely rotating after the base cylinder 624 stops driving.
A locking nut 623 is additionally arranged on a piston rod of the base oil cylinder 624, after a piston end of the base oil cylinder 624 rises to a required position, the locking nut 623 is rotated to the bottom and is contacted with a cylinder body of the base oil cylinder 624, so that the piston rod of the base oil cylinder 624 can be fixed to a required height, when pressure relief is required, the locking nut 623 is rotated to move upwards, and then the piston rod of the base oil cylinder 624 is returned.
Furthermore, the jacking mechanism 3 comprises a sleeve frame 31, hydraulic oil cylinders 32 and a jacking cross beam 34, guide structures are arranged on the sleeve frame 31 and the tower body standard joint, the hydraulic oil cylinders 32 are arranged on two sides of the sleeve frame 31, the fixed ends of the hydraulic oil cylinders 32 are fixedly connected with the sleeve frame 31, the movable ends of the hydraulic oil cylinders 32 are connected with the jacking cross beam 34, clamping grooves are arranged on the tower body standard joint, and two ends of the jacking cross beam 34 are clamped with the clamping grooves of the standard joint; the jacking mechanism 3 is further provided with a jacking stay bar 33, a stay bar groove is formed in the standard section of the tower body, one end of the jacking stay bar 33 is fixedly connected with the jacking mechanism 3, and the other end of the jacking stay bar 33 is clamped with the stay bar groove.
The sleeve frame 31 climbs to the highest standard section along the guide structure, the tower body standard section of the jacking oil cylinder is clamped with the jacking cross beam, the jacking support rod 33 is clamped with the support rod groove of the tower body standard section, and at the moment, the weight of the rotary structure, the upper vehicle 5 and the sleeve frame 31 is transmitted to the uppermost tower body standard section through the jacking oil cylinder and the support rod.
When the lifting tower body standard section needs to ascend, the lifting support rods 33 are separated from the support rod grooves in the tower body standard section to drive the lifting oil cylinders, the sleeve frame 31 moves upwards under the driving of the lifting oil cylinders, when the top of the sleeve frame 31 and the top of the tower body 2 are enough to contain the space of one section of standard section, at the moment, a new section of tower body standard section can be introduced into the sleeve frame through the introducing mechanism and becomes the uppermost section, after the lower end of the introduced tower body standard section is connected with the top of the original tower body standard section, the sleeve frame 31 is slowly descended, the newly introduced tower body standard section is enabled to be in contact with the sleeve frame 31 and stressed, and the fixing is carried out through the bolt connection and other modes. At this point, the stress on the jacket frame 31 can be relieved, and the newly introduced tower body standard knot bears the weight of the upper vehicle 5 and the jacket frame 31.
When the crane needs to descend, the jacking oil cylinder needs to be supported on the next section of the tower body standard section by operating the jacking system, and the sleeve frame 31 is jacked upwards for a short distance slightly, so that the uppermost tower body standard section does not bear the weight of the sleeve frame 31 and the upper machine table assembly (the slewing mechanism and the upper crane 5). Then, the connection between the uppermost standard knot and the sleeve frame 31 and the next standard knot is removed, the removed tower body standard knot is led out of the tower body 2 by using the leading-in mechanism, and the standard knot is placed on the ground through a steel wire rope.
Here, the jacking cylinder descends, and the jacking cylinder 32 and the jacking stay 33 are stressed alternately until the jacking cylinder descends to a state where the next standard section can be stressed. By repeating the above process, the purpose of reducing the tower body 2 section by section can be achieved.
Further, the jacking mechanism 3 further comprises a jacking controller, the jacking controller is respectively connected with the drivers of the hydraulic oil cylinders 32 on the two sides and used for controlling the hydraulic oil cylinders 32 on the two sides, a magnetostrictive displacement sensor 625 is arranged in each hydraulic oil cylinder 32 and used for detecting the displacement variation of each jacking oil cylinder, and the data input end of the magnetostrictive displacement sensor 625 is connected with the jacking controller.
Further, the multi-tower combined crane further comprises a headquarters controller, the headquarters controller is respectively connected with the jacking controllers, height sensors are arranged on the four jacking mechanisms 3, and data input ends of the height sensors are connected with the headquarters controller.
As an optimal mode, 4 tower bodies 2's equidistance symmetric distribution very big reinforcing multi-tower combined crane's stability, adopt 4 climbing mechanism 3 simultaneously, adopt synchronous hydraulic pressure jacking, guarantee the stationarity of jacking.
And the accuracy in the height direction is ensured by adopting a standard knot for strictly controlling the height tolerance through a headquarter controller.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. A multi-tower combined crane, comprising:
the tower comprises a tower foundation (1), a plurality of tower bodies (2), a jacking mechanism (3), a rotary platform (4) and an upper vehicle (5);
the tower body (2) is composed of a plurality of standard sections;
the bottom of a plurality of tower body (2) is installed on the tower footing (1), every install on the tower body (2) climbing mechanism (3), the top of climbing mechanism (3) with the bottom of rotary platform (4) is connected, go up car (5) and install on rotary platform (4).
2. A multi-tower modular crane as claimed in claim 1, wherein:
the tower footing (1) comprises a plurality of supporting legs (6) and tower body foundation sections (7), the tower body foundation sections (7) correspond to the tower body (2), the bottom of the tower body (2) is installed on the tower body foundation sections (7), the supporting legs (6) are arranged in a matrix mode, so that four supporting legs (6) are at least distributed on the periphery of each tower body foundation section (7), and the tower body foundation sections (7) are connected with the adjacent supporting legs (6) through I-shaped beams (8).
3. A multi-tower modular crane as claimed in claim 2, wherein:
the outer side of the tower body (2) close to the bottom of the tower body is connected with the four adjacent supporting legs (6) through inclined supporting rods (9).
4. A multi-tower modular crane as claimed in claim 3, wherein:
the quantity of body of the tower (2) is 4, the tower base (1) includes if 9 landing legs (6) and 4 body of the tower basis festival (7), 9 landing legs 63 x 3 matrix arrangement is "field" word arrangement, 4 body of the tower basis festival (7) are located respectively the center of four equilateral squares in "field" word, body of the tower basis festival (7) are connected through a word roof beam (8) with adjacent four landing legs (6).
5. A multi-tower modular crane as claimed in claim 4, wherein:
the landing leg (6) include landing leg base (61) and leveling cylinder subassembly (62), leveling cylinder subassembly (62) fixed mounting be in on landing leg base (61), the one end of a word roof beam (8) with the top fixed connection of leveling cylinder subassembly (62).
6. A multi-tower modular crane as claimed in claim 5, wherein:
the lower end of the inclined supporting rod (9) is connected with the top of the straight beam (8) close to the leveling cylinder assembly (62).
7. A multi-tower modular crane as claimed in claim 6, wherein:
and a transverse supporting rod (10) is arranged between one ends, close to the leveling cylinder assemblies (62), of the two adjacent straight beams (8), and two ends of the transverse supporting rod (10) are connected with one ends, close to the leveling cylinder assemblies (62), of the two adjacent straight beams (8) respectively.
8. A multi-tower modular crane as claimed in claim 7, wherein:
the leveling cylinder assembly (62) comprises a driving gear (621), an electric driving device (622), a locking nut (623), a base cylinder (624), a displacement sensor (625) and a leveling controller;
the displacement sensor (625) is arranged inside the base oil cylinder (624) and used for detecting the displacement of the oil cylinder;
the base oil cylinder (624) is fixedly connected with the electric drive device (622), a power output shaft of the electric drive device (622) is provided with the driving gear (621), a piston rod of the base oil cylinder (624) is provided with a locking nut (623), and the periphery of the locking nut (623) is provided with gear teeth meshed with the driving gear (621);
the data output end of the displacement sensor (625) is connected with the leveling controller, the electric drive device (622) is connected with the leveling controller, and the leveling controller receives data of the displacement sensor (625) to control the electric drive device (622).
9. A multi-tower modular crane as claimed in claim 8, wherein:
the locking nut (623) and a piston rod of the base oil cylinder (624) are in threaded connection by adopting trapezoidal threads.
10. A multi-tower modular crane as claimed in claim 9, wherein:
the jacking mechanism (3) comprises a sleeve frame (31), hydraulic oil cylinders (32) and a jacking cross beam (34), wherein guide structures are arranged on the sleeve frame (31) and the standard section of the tower body, the hydraulic oil cylinders (32) are arranged on two sides of the sleeve frame (31), the fixed ends of the hydraulic oil cylinders (32) are fixedly connected with the sleeve frame (31), the movable ends of the hydraulic oil cylinders (32) are connected with the jacking cross beam (34), a clamping groove is formed in the standard section of the tower body, and two ends of the jacking cross beam (34) are clamped with the clamping grooves of the standard section; still include jacking vaulting pole (33) on climbing mechanism (3), be equipped with the vaulting pole groove on the body of the tower standard festival, the one end of jacking vaulting pole (33) with climbing mechanism (3) fixed connection, the other end of jacking vaulting pole (33) with the vaulting pole groove carries out the joint.
11. A multi-tower modular crane as claimed in claim 10, wherein:
the jacking mechanism (3) further comprises a jacking controller, the jacking controller is respectively connected with drivers of the hydraulic oil cylinders (32) on the two sides and used for controlling the hydraulic oil cylinders (32) on the two sides, a magnetostrictive displacement sensor (625) is arranged in each hydraulic oil cylinder (32) and used for detecting the displacement variation of each jacking oil cylinder, and the data input end of each magnetostrictive displacement sensor (625) is connected with the jacking controller.
12. A multi-tower modular crane as claimed in claim 11, wherein:
the multi-tower combined crane further comprises a headquarters controller, the headquarters controller is respectively connected with the jacking controllers, height sensors are arranged on the four jacking mechanisms (3), and data input ends of the height sensors are connected with the headquarters controller.
CN202111425762.2A 2021-11-26 2021-11-26 Multi-tower combined crane Pending CN114249252A (en)

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CN202111425762.2A CN114249252A (en) 2021-11-26 2021-11-26 Multi-tower combined crane

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Application Number Priority Date Filing Date Title
CN202111425762.2A CN114249252A (en) 2021-11-26 2021-11-26 Multi-tower combined crane

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CN114249252A true CN114249252A (en) 2022-03-29

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CN202111425762.2A Pending CN114249252A (en) 2021-11-26 2021-11-26 Multi-tower combined crane

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115136789A (en) * 2022-07-25 2022-10-04 四川依贝智能装备有限公司 Rail mounted strides capable tea-leaf picker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115136789A (en) * 2022-07-25 2022-10-04 四川依贝智能装备有限公司 Rail mounted strides capable tea-leaf picker

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