CN218619872U

CN218619872U - Hanging device of wind power generation blade lifting appliance

Info

Publication number: CN218619872U
Application number: CN202223162535.8U
Authority: CN
Inventors: 张腾云; 袁鹏飞; 王诗鸿; 张恒; 于春生
Original assignee: Cooper New Energy Co ltd
Current assignee: Cooper New Energy Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a cable suspension device of wind power generation blade hoist. The device comprises a middle cross beam, a first end cross beam and a second end cross beam are respectively hinged to two ends of the middle cross beam, a first positioning pin shaft is arranged between the middle cross beam and the first end cross beam, and a second positioning pin shaft is arranged between the middle cross beam and the second end cross beam; the bottom of the first end cross beam is provided with a first adjusting base with a plurality of connecting positions, the bottom of the second end cross beam is provided with a second adjusting base with a plurality of connecting positions, the first adjusting base and the second adjusting base are respectively provided with a hanging unhooking assembly, the hanging unhooking assembly comprises an upper base and a lower base driven to lift by an electric hoist, the upper base is detachably connected with the adjusting base, and the side part of the lower base is provided with a detacher. The utility model provides a cable suspension device construction convenience and stability are strong, make special lifting device easily shift the transportation.

Description

Hanging device of wind power generation blade lifting appliance

Technical Field

The utility model belongs to the technical field of wind-powered electricity generation construction equipment, especially, relate to a cable suspension device of wind power generation blade hoist.

Background

With the progress of the technology and the gradual increase of the demand of people for clean energy, the wind power generation technology is developed greatly. Wind power generation refers to the conversion of wind energy into electrical energy by using wind power generation facilities, which generally include a wind turbine tower, wind blades and a generator set. The construction modes of the on-road wind power facility and the offshore wind power facility are basically the same: firstly, a support base is built, then a tower barrel is constructed and installed on the support base, then a generator set is installed at the top of the tower barrel, and then blades are installed on the generator set. The wind power generation blade is large in length and size and irregular in shape, so that the transfer, transportation and hoisting construction of the blade are difficult, and the research and development focus in the industry is on how to stably and reliably transport and stably and reliably construct and install the blade.

The existing blade lifting appliance can only apply simple lifting operation to the blade generally, the stability of the blade in the lifting installation construction process is insufficient due to the lack of an effective auxiliary stabilizing means in the blade lifting moving process, the construction effect is influenced, meanwhile, the combination and separation control between the lifting appliance and the blade are also one of important links, and the construction convenience is obviously influenced. In addition, the blade sling itself is a large-scale facility, and the problem of transferring and moving among different construction occasions is also involved. Therefore, a new type of special lifting device needs to be developed and designed, in the structure of the special lifting device, the structural design of the hanging device directly connected with the blade directly determines the working characteristics of the lifting device, and the construction convenience, stability and convenience of transfer transportation are significantly affected, so that the special lifting device needs to be developed and designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who exists among the known art and provide a hanging device of wind power generation blade hoist that construction convenience nature and stability are strong, make special lifting device easily shift the transportation.

The utility model discloses a technical scheme who takes for solving the technical problem that exists among the well-known technique is: a hanging device of a wind power generation blade lifting appliance comprises a middle cross beam, wherein a first end cross beam and a second end cross beam are respectively hinged to two ends of the middle cross beam; install the first regulation base that has a plurality of hookup locations in the bottom of first end crossbeam, install the second regulation base that has a plurality of hookup locations in the bottom of second end crossbeam, install respectively on first regulation base and second regulation base and hang the unhook subassembly, hang the lower base that the unhook subassembly includes the upper base and adopts the electric block drive to go up and down, the upper base is connected with the regulation base detachably at place, the unhook ware is installed to the lateral part at lower base.

Preferably: and mounting bases are arranged at the bottoms of the two ends of the middle cross beam.

Preferably: a first upper support arm is arranged above the inner end of the first end cross beam, a first lower support arm is arranged below the inner end of the first end cross beam, and the end part of the middle cross beam is positioned between the first upper support arm and the first lower support arm and is hinged by adopting a first rotating shaft; and a second upper support arm is arranged above the inner end of the second end cross beam, a second lower support arm is arranged below the inner end, and the end part of the middle cross beam is positioned between the second upper support arm and the second lower support arm and is hinged and connected by a second rotating shaft.

Preferably: a positioning pin hole is formed in the end part of the middle cross beam and the corresponding position of the side part of the first upper support arm, and a first positioning pin shaft is inserted into the positioning pin hole; and a positioning pin hole is formed in the end part of the middle cross beam and the corresponding position of the side part of the second upper support arm, and the second positioning pin shaft is inserted in the positioning pin hole.

Preferably: the first adjusting base comprises first base plates which are oppositely arranged and provided with a plurality of groups of adjusting pin holes, and the upper base of the hanging unhooking device at the side is positioned between the first base plates and is in pin joint connection by adopting a first adjusting pin shaft; the second adjusting base comprises second base plates which are oppositely arranged and provided with a plurality of groups of adjusting pin holes, and the upper base of the side hanging and unhooking device is positioned between the second base plates and is connected with the second adjusting pin through a pin joint.

Preferably: and the outer end of the first end cross beam or the second end cross beam is provided with a balancing weight through a balancing weight bracket.

The utility model discloses an advantage is with positive effect:

the utility model provides a hanging device of wind power generation blade hoist that structural design is reasonable, hanging device's main part comprises articulated middle part crossbeam, first end crossbeam and the second end crossbeam of connecting, for the syllogic structure, when being in the state of shifting the transportation, through folding first end crossbeam, second end crossbeam and accessory to both sides, can reduce blade special lifting device's volume, therefore easily load on to haulage vehicle, easily shift the transportation. Through setting up first location round pin axle and second location round pin axle, make first end crossbeam and second end crossbeam after the expansion can keep at the expansion state steadily, guarantee to provide stable function of hanging to the blade of below.

The bottom through at two tip crossbeams is installed separately and is hung the unhook subassembly, realized hooking and unhooking the controllable of blade suspender tip, the blade is hung by two sets of unhook subassemblies of hanging and the suspender and is removed, the stability of blade hoist and mount construction has been guaranteed, the detacher of hanging the unhook subassembly simultaneously can be controllably hooked with the tip rings of suspender and unhook, the operation convenience that special lifting device and blade combine has been promoted, easily be connected with the blade before the hoist and mount construction, easily remove to be connected with the blade after the hoist and mount construction. Through set up a plurality of hookup locations on first regulation base and second regulation base separately and will hang the unhook subassembly and install selectively at specific hookup location, make the mounted position of each hanging the unhook subassembly can carry out the adaptation according to the size model of blade and adjust the settlement, promoted the commonality of special lifting device when the different blades of hoist and mount construction.

Drawings

Fig. 1 is a schematic structural view, an upper view, of the present invention;

FIG. 2 is a schematic view of the first end rail and its accompanying components of the present invention;

FIG. 3 is a schematic view of the second end rail and its accompanying components of the present invention;

fig. 4 is a schematic structural view of the middle hanging unhooking component of the present invention.

In the figure:

1. a middle cross beam; 2. installing a base; 3. a first rotating shaft; 4. a first positioning pin shaft; 5. a first end cross member; 5-1, a first upper support arm; 5-2, a first lower support arm; 6. a counterweight block; 7. a first adjusting pin shaft; 8. a first adjustment base; 9. a counterweight block support; 10. a second rotating shaft; 11. a second positioning pin shaft; 12. a second adjusting pin shaft; 13. a second end cross member; 13-1, a second upper support arm; 13-2, a second lower support arm; 14. a second adjustment base; 15. a hanging unhooking component; 15-1, an upper base; 15-2, electric hoist; 15-3, a lower base; 15-4, a detacher.

Detailed Description

For further understanding of the contents, characteristics and effects of the present invention, the following embodiments will be described in detail.

Referring to fig. 1, the hanging device of the wind power generation blade hanger of the present invention includes a middle cross beam 1, a first end cross beam 5 and a second end cross beam 13 hinged to each other at two ends of the middle cross beam 1, a first positioning pin 4 installed between the middle cross beam 1 and the first end cross beam 5, and a second positioning pin 11 installed between the middle cross beam 1 and the second end cross beam 13.

As shown in the figure, the hanging device is a three-section type hanging device, the first end cross beam 5 and the accessory parts thereof, the second end cross beam 13 and the accessory parts thereof can be folded, and the volume of the hanging device is reduced after folding, so that the whole volume of the special blade hanging tool is reduced, and the special blade hanging tool is favorable for transferring and transporting by adopting a transport vehicle.

In this embodiment, the bottom parts of the two ends of the middle cross beam 1 are welded with the mounting bases 2, as shown in the figure, the upper ends of the mounting bases 2 are welded and fixed with the middle cross beam 1, and the lower ends are welded with the connecting plates with the connecting holes. Two mounting bases are arranged at the end part of a main body frame 1 of the special lifting appliance, and the two mounting bases 2 are fixedly connected with the two mounting bases through bolts.

Referring to fig. 2 and 3, it can be seen that:

the middle cross beam 1, the first end cross beam 5 and the second end cross beam 13 are made of I-shaped steel, and reinforcing patches are welded and installed in the I-shaped steel section to improve the overall structural strength. In the embodiment, a first upper support arm 5-1 is welded above the inner end of the first end cross beam 5, a first lower support arm 5-2 is welded below the inner end, and the end of the middle cross beam 1 is positioned between the first upper support arm 5-1 and the first lower support arm 5-2 and is hinged by a first rotating shaft 3; a second upper support arm 13-1 is welded above the inner end of the second end cross beam 13, a second lower support arm 13-2 is welded below the inner end, and the end of the middle cross beam 1 is positioned between the second upper support arm 13-1 and the second lower support arm 13-2 and is hinged by a second rotating shaft 10.

In the embodiment, a positioning pin hole is arranged at the corresponding position of the end part of the middle cross beam 7 and the side part of the first upper support arm 5-1, and the first positioning pin 4 is inserted in the positioning pin hole; and a positioning pin hole is formed in the end part of the middle cross beam 1 and the corresponding position of the side part of the second upper support arm 13-1, and the second positioning pin shaft 11 is inserted in the positioning pin hole. In order to avoid the positioning pin shaft from being separated after being inserted into the positioning pin hole, the positioning pin shaft is provided with a pin clamp spring for fixing.

A first adjustment base 8 having a plurality of connection positions is attached to the bottom of the first end beam 5, a second adjustment base 14 having a plurality of connection positions is attached to the bottom of the second end beam 14, and a hanging and unhooking assembly 15 is attached to each of the first adjustment base 8 and the second adjustment base 14. The effect of providing a plurality of connection locations on each of the first and second adjustment bases 8, 14 is: the position of the hanging and unhooking assembly 15 can be adjusted and set, when the model and the size of the blade are changed, the position of the two hanging and unhooking assemblies 15 is generally required to be adjusted in an adaptive manner, and the position of the hanging and unhooking assembly 15 can be adjusted in an adaptive manner, so that the special lifting appliance based on the hanging device is high in universality during hoisting of the blades of different types in construction.

Referring to fig. 4, it can be seen that:

the hanging unhooking assembly 15 comprises an upper base 15-1 and a lower base 15-3 driven to lift by an electric hoist 15-2, the upper base 15-1 is detachably connected with the adjusting base, and a unhooking device 15-4 is installed on the side portion of the lower base 15-3. As shown in the figure, the two electric hoists 15-2 are provided, and the two electric hoists 15-2 jointly drive the chain between the upper base 15-1 and the lower base 15-3 to move, and the chain drives the lower base 15-3 to move up or down, and accordingly the detacher 15-4 moves up or down. The hanging unhooking assembly 15 further comprises a left lock chain box and a right lock chain box, and the free ends of the lock chains of the two electric hoists 15-2 are respectively located in the two lock chain boxes.

The upper base 15-1 of the hanging unhooking assembly 15 is provided with a pin hole, the upper base 15-1 of the hanging unhooking assembly 15 on one side of the hanging device is positioned between the first base plates of the first adjusting base 8 and is connected by a first adjusting pin 7 in a pin joint mode, the upper base 15-1 of the hanging unhooking assembly 15 on the other side of the hanging device is positioned between the second base plates of the second adjusting base 14 and is connected by a second adjusting pin 12 in a pin joint mode, and the position adjusting setting of each hanging unhooking assembly 15 is realized by pulling and inserting the corresponding adjusting pin. In order to avoid the adjusting pin shaft from automatically falling out after being inserted into the adjusting pin hole, the adjusting pin shaft is provided with a pin clamp spring for fixing.

The hanging unhooking assembly 15 serves two functions: one is to hang up the two ends of the blade sling and controllably lift or lower the end of the blade sling, and the other is to controllably hook and unhook the end of the blade sling. The blade sling structurally comprises a flat sling body, two ends of the sling body are provided with hanging rings, and a detacher 15-4 of a hanging disengaging assembly 15 is connected with the hanging rings of the blade sling in a matching mode. When the piston rod of the detacher 15-4 extends out, the hanging ring at the end part of the vane sling is fixed, and when the piston rod of the detacher 15-4 retracts, the hanging ring at the end part of the vane sling is released to realize the detaching operation. Structurally, the unhooking device 15-4 can be a hydraulic cylinder or an electric push rod, and the piston rod is made to move in a telescopic mode in a hydraulic or electric control mode, so that hooking and unhooking control is achieved.

The hanging unhooking component 15 of every cable suspension device bottom is provided with two from front to back, and its effect is: the unhooking device 15-4 of one hanging unhooking assembly 15 is used as a priority unhooking device, the unhooking device 15-4 of the other hanging unhooking assembly 15 is used as a standby unhooking device, during hoisting construction, the priority unhooking device is operated to unhook the end part of the blade sling, and when the priority unhooking device fails, the standby unhooking device is operated to unhook the end part of the blade sling, so that the running reliability of the special lifting appliance is guaranteed.

In this embodiment, install balancing weight 6 through balancing weight support 9 in the outer end of first end crossbeam 5 or second end crossbeam 13, balancing weight 6 plays the counter weight effect, makes the weight at cable suspension device's front and back both ends more balanced, promotes hoist and mount work progress's stability.

The operation mode is as follows:

in the state of transfer transportation, the first end cross beam 5 and the accessory parts thereof, and the second end cross beam 13 and the accessory parts thereof are folded, so that the size of the hanging device is reduced, the volume of the special lifting appliance is correspondingly reduced, and the transfer transportation is facilitated.

When the hanger reaches a construction site, the first end cross beam 5 and the second end cross beam 13 are unfolded to enable the main body part of the hanger to be in a straight state, then the first positioning pin shaft 4 is inserted between the middle cross beam 1 and the first end cross beam 5, and the second positioning pin shaft 11 is inserted between the middle cross beam 1 and the second end cross beam 13.

The installation positions of the two hanging unhooking assemblies 15 are adjusted and set according to construction requirements. The hanging ring at one end of the blade sling is placed in the lower base 15-3 of one of the hanging unhooking assemblies 15, the hanging ring is hooked and connected by the unhooking device 15-4, and the other end of the blade sling is not hooked and connected temporarily. And (3) lowering the special lifting appliance to the position above the blade, enabling the blade hanging strip to pass through the position below the blade, and then hooking and connecting the hanging ring at the other end with the detacher 15-4 of the hanging and detaching assembly 15 at the other end. And controlling the action of an electric hoist 15-2 of the hanging unhooking assembly 15, and lifting the two blade hanging strips appropriately to complete the adjustment of the positions of the blade hanging strips.

The crane lifts the special lifting appliance by a certain height to enable the blade lifting belt to be stressed and tensioned, and after the inspection and other preparation work are carried out, the crane lifts the special lifting appliance and the blade to carry out installation and construction.

Claims

1. The utility model provides a cable suspension device of wind power generation blade hoist, characterized by: the device comprises a middle cross beam (1), wherein a first end cross beam (5) and a second end cross beam (13) are respectively hinged to two ends of the middle cross beam (1), a first positioning pin shaft (4) is arranged between the middle cross beam (1) and the first end cross beam (5), and a second positioning pin shaft (11) is arranged between the middle cross beam (1) and the second end cross beam (13); the lifting and unhooking device comprises a first adjusting base (8) with a plurality of connecting positions, which is installed at the bottom of a first end cross beam (5), a second adjusting base (14) with a plurality of connecting positions, which is installed at the bottom of a second end cross beam (13), hanging and unhooking assemblies (15) which are installed on the first adjusting base (8) and the second adjusting base (14) respectively, wherein each hanging and unhooking assembly (15) comprises an upper base (15-1) and a lower base (15-3) which is driven to lift by an electric hoist (15-2), the upper base (15-1) is detachably connected with the adjusting base, and a unhooking device (15-4) is installed on the side portion of the lower base (15-3).

2. The hanging apparatus for a wind turbine blade hanger according to claim 1, wherein: and mounting bases (2) are arranged at the bottoms of the two ends of the middle cross beam (1).

3. The hanging apparatus for a wind turbine blade hanger according to claim 2, wherein: a first upper support arm (5-1) is arranged above the inner end of the first end cross beam (5), a first lower support arm (5-2) is arranged below the inner end, and the end of the middle cross beam (1) is positioned between the first upper support arm (5-1) and the first lower support arm (5-2) and is hinged by a first rotating shaft (3); a second upper support arm (13-1) is arranged above the inner end of the second end cross beam (13), a second lower support arm (13-2) is arranged below the inner end, and the end part of the middle cross beam (1) is positioned between the second upper support arm (13-1) and the second lower support arm (13-2) and is hinged and connected by a second rotating shaft (10).

4. The hanging apparatus for a wind turbine blade hanger according to claim 3, wherein: a positioning pin hole is formed in the end part of the middle cross beam (1) and the corresponding position of the side part of the first upper support arm (5-1), and a first positioning pin shaft (4) is inserted into the positioning pin hole; and a positioning pin hole is formed in the end part of the middle cross beam (1) and the corresponding position of the side part of the second upper support arm (13-1), and the second positioning pin shaft (11) is inserted into the positioning pin hole.

5. The hanging apparatus for a wind turbine blade hanger according to claim 4, wherein: the first adjusting base (8) comprises first base plates which are oppositely arranged and provided with a plurality of groups of adjusting pin holes, and the upper base (15-1) of the hanging unhooking assembly (15) at the side is positioned between the first base plates and is in pin joint connection by adopting a first adjusting pin shaft (7); the second adjusting base (14) comprises second base plates which are oppositely arranged and provided with a plurality of groups of adjusting pin holes, and an upper base (15-1) of the hanging unhooking assembly (15) at the side is positioned between the second base plates and is in pin joint connection by adopting a second adjusting pin shaft (12).

6. The hanging apparatus for a wind turbine blade hanger according to claim 5, wherein: and a balancing weight (6) is arranged at the outer end of the first end cross beam (5) or the second end cross beam (13) through a balancing weight bracket (9).