CN214270000U

CN214270000U - Double-tower-hoisting lifting type wind driven generator building crane

Info

Publication number: CN214270000U
Application number: CN202120323314.0U
Authority: CN
Inventors: 闫邦营
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-24
Anticipated expiration: 2031-02-04

Abstract

The utility model relates to an engineering vehicle technical field, specifically speaking relates to a crane is built to two tower crane lift formula aerogenerator. The lifting device comprises a carrier loader and a lifting system assembled on the carrier loader; the hoisting system comprises a pillar base fixed on the carrier loader, a tower crane pillar and a tower crane system capable of ascending and descending along the tower crane pillar; the tower crane system comprises a lifting platform, a supporting platform, two tower cranes and an operation room, wherein the two tower cranes and the operation room are installed on the supporting platform. The utility model discloses a structure of two tower cranes, two tower cranes are as the counter weight mutually, can keep the balance and the stability of tower crane system at any time, simultaneously, and is small, with low costs, and convenient the removal can independently walk, need not the delivery, need not the equipment, and arrival job site just can hoist and mount the operation, and moreover, the installation rate is fast, work efficiency is high, safety and stability is good, applicable in building the main tower section of thick bamboo of aerogenerator of arbitrary height, greatly reduced aerogenerator builds the cost.

Description

Double-tower-hoisting lifting type wind driven generator building crane

Technical Field

The utility model relates to an engineering vehicle technical field, specifically speaking relates to a crane is built to two tower crane lift formula aerogenerator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator, a direction regulator (empennage), a main tower, a speed-limiting safety mechanism, an energy storage device and other components. The 1500KW wind driven generator is a mainstream machine type in China, the diameter of a wind wheel is about 77 meters (70 meters, 82 meters and 87 meters are available), and the height of a main tower barrel is 65 meters and 70 meters. 2500KW aerogenerator and 3000KW aerogenerator are not mainstream model at present, but have had practical application, for example: the golden wind official reservoir is provided with a 2500KW wind driven generator model machine, the height of a main tower cylinder is 100 meters, and the diameter of a wind wheel is 90 meters; a34-machine 3000KW wind driven generator is installed on the east China Sharp bridge, the diameter of a wind wheel is 90 meters, and the height of a main tower barrel is 90 meters.

In the prior art, when a main tower drum of a wind driven generator is built, a crane with a corresponding tonnage needs to be matched according to the height of the main tower drum for installation and construction, and the higher the height of the main tower drum is, the larger the crane for matching construction is, and the higher the construction cost is.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane is built to two tower crane lift formula aerogenerator, solve above technical problem.

In order to solve the above problems, the utility model adopts the following technical scheme:

a crane for building a double-tower lifting type wind driven generator comprises a carrying vehicle and a lifting system assembled on the carrying vehicle; the hoisting system comprises a pillar base fixed on the carrier loader, a tower crane pillar and a tower crane system capable of ascending and descending along the tower crane pillar; the method is characterized in that: the tower crane strut is formed by splicing a plurality of strut sections up and down, and the bottom end of the tower crane strut is fixedly connected to the strut base; the tower crane support is characterized in that the support base and the tower crane support are both in a quadrangular shape and have the same cross section, racks are respectively fixed on two symmetrical outer side walls of the support base, racks are respectively fixed on two symmetrical outer side walls of the tower crane support, and the racks on the tower crane support are in up-and-down butt joint with the racks on the support base; the tower crane system comprises a lifting platform, a supporting platform assembled at the top of the lifting platform, two tower cranes and an operation room, wherein the two tower cranes and the operation room are installed on the supporting platform; the tower crane comprises a telescopic boom and a driving oil cylinder for driving the telescopic boom to ascend and descend; through holes which are communicated up and down are formed in the middle parts of the lifting platform and the supporting platform, wherein a lifting power mechanism is assembled in the through holes of the lifting platform, and a driving gear meshed with the rack is installed at the power output end of the lifting power mechanism; a sling is assembled on the telescopic suspension arm, and the front end of the sling is fixedly connected with a lifting hook; and an operating mechanism for operating the two tower cranes and the lifting power mechanism is arranged in the operating chamber.

Further, a first rotating platform is installed at the top of the lifting platform, and the supporting platform is assembled on the first rotating platform.

Furthermore, a second rotating platform is installed at the top of the supporting platform, and one tower crane is assembled on the second rotating platform.

The tower crane further comprises a suspension arm support fixed on the supporting platform, and the tail end of the telescopic suspension arm is hinged to the suspension arm support; and a sling winding device is arranged at the top of the suspension arm support, and the sling is wound on a reel of the sling winding device.

Has the advantages that: compared with the prior art, the utility model discloses a structure of two tower cranes, two tower cranes are as the counter weight mutually, can keep the balance and the stability of tower crane system at any time, and simultaneously, small, with low costs, the convenient removal can independently walk, need not the delivery, need not the equipment, reachs the job site and just can carry out the hoist and mount operation, and moreover, the installation rate is fast, work efficiency is high, safety and stability is good, applicable in building the aerogenerator main tower section of thick bamboo of arbitrary height, greatly reduced aerogenerator builds the cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is the utility model discloses a wind driven generator's construction schematic diagram is taken to crane.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example (b):

referring to fig. 1, the crane for building the double-tower lifting type wind driven generator in this embodiment includes a carrier loader 1 and a lifting system assembled on the carrier loader 1. The hoisting system comprises a pillar base 16 fixed on the carrier loader 1, a tower crane pillar 15 and a tower crane system capable of lifting along the tower crane pillar 15.

The tower crane strut 15 is formed by splicing a plurality of strut sections up and down, and the bottom end of the tower crane strut is fixedly connected to the strut base 16; pillar base 16 is the quadrangular shape with tower crane pillar 15, and the cross-section is the same, is fixed with rack 2 respectively on two symmetrical lateral walls of pillar base 16, also is fixed with rack 2 respectively on two symmetrical lateral walls of tower crane pillar 15, and butt joint about rack 2 on the tower crane pillar 15 and the rack 2 on the pillar base 16 forms the walking track that the tower crane system goes up and down.

The tower crane system comprises a lifting platform 3, a supporting platform 7, two tower cranes installed on the supporting platform and an operation room 13. A first rotating platform 11 is installed at the top of the lifting platform 3, and the supporting platform 7 is assembled on the first rotating platform 11. The middle parts of the lifting platform 3, the supporting platform 7 and the first rotating platform 11 are all provided with through holes which are communicated up and down, wherein a lifting power mechanism is assembled in the through holes of the lifting platform 3, and a driving gear 14 meshed with the rack 2 is installed at the power output end of the lifting power mechanism. When the lifting mechanism works, the driving gears 14 on the two groups of lifting power mechanisms rotate synchronously at the same speed and in opposite directions. The lifting power mechanism drives the driving gear 14 to rotate, so that the lifting platform 3 is driven to ascend or descend along the rack.

The tower crane comprises a telescopic boom 8, a driving oil cylinder 6 for driving the telescopic boom 8 to ascend and descend and a boom support 4 fixed on a supporting platform 7, wherein the tail end of the telescopic boom 8 is hinged to the boom support 4; a sling 9 is assembled on the telescopic suspension arm 8, and a lifting hook 10 is fixedly connected to the front end of the sling 9; and a sling winch device 5 is arranged at the top of the suspension arm support 4, and a sling 9 is wound on a reel of the sling winch device 5. And a second rotating platform 12 is installed at the top of the supporting platform 7, and one tower crane is assembled on the second rotating platform 12.

The first rotating platform 11 and the second rotating platform 12 may adopt the structure and principle of a commonly used rotating platform on a construction vehicle (such as an excavator, a crane), and the technical means is conventional in the art and will not be described herein again. The first rotating platform 11 is used for controlling and adjusting the rotating angle of the supporting platform 7, and the second rotating platform 12 is used for controlling and adjusting the rotating angle of the tower crane assembled on the second rotating platform 12.

And a control mechanism for controlling the two tower cranes, the lifting power mechanism and the two rotating tables to work is arranged in the operating room 13. The staff controls the lift and the hoist and mount operation of two tower cranes through controlling the mechanism in the control room 13. The control mechanism can be additionally provided with a control device of a motor of a lifting power mechanism on the basis of a tower crane control mechanism in the prior art, and the technical means is conventional technical means in the field and is not repeated herein.

As shown in fig. 2, the main tower barrel is hoisted according to the section to build 3 sections of main tower barrels, in reality, the section number of the main tower barrel is determined as an example according to the actual situation, and the brief description is given to the working process of the crane as follows:

in an initial state, the tower crane is installed on the column base 16, and each section of the column section of the tower crane column 15 is in a disassembled state.

The crane is driven to a construction site, a first main tower drum 17A of the bottommost section is firstly hung to a base of the main tower drum through a first tower crane arranged on the right side of the supporting platform 7 and is fixedly connected through a flange; then, the first column section 15A is hung to the column base 16 through a second tower crane installed on the left side of the supporting platform 7, after the first column section is fixed through flange connection, a lifting power mechanism is started, a tower crane system is driven to ascend to the top end of the first column section 15A along the rack 2, and the lifting power mechanism stops working. At this moment, in order to strengthen the stability of tower crane pillar 15, guarantee operating room staff's personal safety, can install firm support 18 between first main tower section of thick bamboo 17A and first pillar section 15A, improve tower crane pillar 15's stability and security with the help of the steadiness of main tower section of thick bamboo.

After the first layer of the stabilizing support 18 is installed, the second main tower 17B of the middle section is lifted to the upper side of the first main tower 17A through the first tower crane, so that the bottom end of the second main tower 17B is butted with the top end of the first main tower 17A and is fixedly connected with the top end of the first main tower 17A through a flange; then, hoisting the second support section 15B to the upper part of the first support section 15A by using a second tower crane, so that the bottom end of the second support section 15B is butted with the top end of the first support section 15A and is fixedly connected with the top end of the first support section 15A by a flange; and starting the lifting power mechanism again, driving the tower crane system to ascend to the top end of the second support column section 15B along the rack 2, and stopping the lifting power mechanism. At this point, a stability bracket 18 may be installed between the second main tower 17B and the second column section 15B.

After the second layer of the stabilizing support 18 is installed, the third main tower 17C of the uppermost section is lifted to the upper side of the second main tower 17B by the first tower crane, so that the bottom end of the third main tower 17C is butted with the top end of the second main tower 17B and is fixedly connected with the top end of the second main tower 17B through a flange.

Finally, the wind wheel blades 17D and other components are hoisted to the top end of the third main tower 17C by a tower crane for installation.

After the installation is finished, starting a lifting power mechanism to drive the tower crane system to descend to the top end of the first support section 15A along the rack 2, stopping the lifting power mechanism, and after the second support section 15B is disassembled from the first support section 15A, lifting the second support section 15B from the first support section 15A to the ground through a second tower crane for recycling; starting a lifting power mechanism, driving the tower crane system to descend to the pillar base 16 along the rack 2, stopping the lifting power mechanism, and after the first pillar section 15A is disassembled from the pillar base 16, hoisting the first pillar section 15A from the pillar base 16 to the ground through a second tower crane for recycling; and finally, resetting the sling 9 and the telescopic suspension arm 8.

The utility model discloses a structure of two tower cranes, two tower cranes are as the counter weight mutually, can keep the balance and the stability of tower crane system at any time, simultaneously, and is small, with low costs, and convenient the removal can independently walk, need not the delivery, need not the equipment, and arrival job site just can hoist and mount the operation, and moreover, the installation rate is fast, work efficiency is high, safety and stability is good, applicable in building the main tower section of thick bamboo of aerogenerator of arbitrary height, greatly reduced aerogenerator builds the cost.

The above is only the embodiment of the present invention, not so limit on the other hand through the patent scope of the present invention, all utilize the equivalent structure made in the specification and the attached drawings, directly or indirectly apply to other related technical fields, all with the same principle within the patent protection scope of the present invention.

Claims

1. A crane for building a double-tower lifting type wind driven generator comprises a carrying vehicle (1) and a lifting system assembled on the carrying vehicle (1); the hoisting system comprises a pillar base (16) fixed on the carrier loader (1), a tower crane pillar (15) and a tower crane system capable of lifting along the tower crane pillar (15); the method is characterized in that: the tower crane strut (15) is formed by splicing a plurality of strut sections up and down, and the bottom end of the tower crane strut is fixedly connected to a strut base (16); the tower crane support column comprises a support column base (16), a tower crane support column (15) and a tower crane support column (15), wherein the support column base (16) and the tower crane support column (15) are both in a quadrangular shape and have the same cross section, racks (2) are respectively fixed on two symmetrical outer side walls of the support column base (16), the racks (2) are also respectively fixed on the two symmetrical outer side walls of the tower crane support column (15), and the racks (2) on the tower crane support column (15) are vertically butted with the racks (2) on the support column base (16); the tower crane system comprises a lifting platform (3), a supporting platform (7) assembled at the top of the lifting platform (3), two tower cranes installed on the supporting platform and an operation room (13); the tower crane comprises a telescopic boom (8) and a driving oil cylinder (6) for driving the telescopic boom (8) to lift; through holes which are communicated up and down are formed in the middle parts of the lifting platform (3) and the supporting platform (7), wherein a lifting power mechanism is assembled in the through holes of the lifting platform (3), and a driving gear (14) meshed with the rack (2) is installed at the power output end of the lifting power mechanism; a sling (9) is assembled on the telescopic boom (8), and the front end of the sling (9) is fixedly connected with a lifting hook (10); and an operating mechanism for operating the two tower cranes and the lifting power mechanism is arranged in the operating room (13).

2. The double tower crane for constructing a wind power generator according to claim 1, wherein: first revolving stage (11) are installed at the top of lift platform (3), supporting platform (7) assembly is on first revolving stage (11).

3. The double tower crane for constructing a wind power generator according to claim 2, wherein: a second rotating platform (12) is installed at the top of the supporting platform (7), and one tower crane is assembled on the second rotating platform (12).

4. The double tower crane for constructing wind power generators according to claim 3, wherein: the tower crane further comprises a boom support (4) fixed on the supporting platform (7), and the tail end of the telescopic boom (8) is hinged to the boom support (4); and a sling winch device (5) is installed at the top of the suspension arm support (4), and the sling (9) is wound on a reel of the sling winch device (5).