CN210001434U

CN210001434U - automatic unhooking hanger device for loading and unloading wind driven generator blades

Info

Publication number: CN210001434U
Application number: CN201920744937.8U
Authority: CN
Inventors: 丁效武; 丁志文
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-31
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an aerogenerator blade loading and unloading automatic unhook hoist device, its characteristics are, and its totality is "п" type, including the compensating beam, the both sides of this compensating beam are provided with hoist units respectively, the hoist unit includes left movable armed lever and right movable armed lever, and the upper end of this left movable armed lever and right movable armed lever sets up the tip at the compensating beam through round pin axle swing joint, the lower extreme of left movable armed lever and right movable armed lever has left hypomere C type hook and right hypomere C type hook through second round pin axle swing joint respectively, still is provided with the telescoping equipment between these two second round pin axles, left hypomere C type hook and right hypomere C type hook cross arrangement, and both middle parts are fixed through third round pin axle swing joint.

Description

automatic unhooking hanger device for loading and unloading wind driven generator blades

Technical Field

The utility model relates to a new forms of energy technical field especially relates to automatic unhook hoist device of aerogenerator blade loading and unloading, is applicable to the loading and unloading of various aerogenerator blades, installation etc. especially the high altitude installation of blade.

Background

According to data statistics, the total amount of wind energy resources of 10m height layers in China is 3226GW, wherein the total amount of wind energy which can be exploited on land is 253GW, and in addition to offshore wind energy resources, nearly 1000 GW. of available wind energy resources in China can support all current power requirements in China only through items of wind power generation if the development rate of the wind energy resources reaches 60%.

With the accelerated development and development work of large wind turbines in China, the original large wind turbines basically depend on imports, through development and development for many years, nowadays, the main components of the large wind turbines are basically made into a home-made mode, meanwhile, with the progress of the manufacturing technology of wind generators, the wind generators are manufactured to be larger and larger, the wind generators are developed to be higher and higher from the original 1MW, 1.5MW, 2MW and the like to the current 2.5MW, 3MW, 3.6MW, 6MW and the like, the blades are longer and larger, the installation height of a fan is higher and higher, the wind generators are developed to be 120m, 140m and 160m … from the original 60m, 70m, 80m and 90m …, and therefore, the difficulty is brought to the safety of installers of wind generator equipment in an aerial work environment.

After investigation and novelty checking, in the construction of wind power plants built at home and abroad at present, the loading, unloading and assembling of the blades are carried out by adopting a traditional construction method that the blades are bound by a crane through hanging strips and then the hanging strips are loosened manually, however, as the installation height of the wind driven generator is higher and higher, particularly the high-altitude assembly, unloading and assembling of the blades are more and more difficult, the safety of operators is difficult to guarantee, the efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

To having technical problem among the background art, the utility model provides an automatic unhook hoist device of aerogenerator blade loading and unloading solves effectively under the high altitude condition, and aerogenerator blade loading and unloading, group and blade high altitude construction's a difficult construction problem for the construction progress, reduce cost practices thrift the investment, has ensured operation personnel high altitude construction's security.

The utility model provides a technical problem's technical scheme as follows:

the utility model discloses automatic unhook hoist device of aerogenerator blade loading and unloading, its characteristics are, and its totality is "п" type, including the compensating beam, the both sides of this compensating beam are provided with hoist units respectively, the hoist unit includes left movable armed lever and right movable armed lever, and the upper end of this left movable armed lever and right movable armed lever sets up the tip at the compensating beam through round pin axle swing joint, the lower extreme of left movable armed lever and right movable armed lever has left hypomere C type hook and right hypomere C type hook through second round pin axle swing joint respectively, still is provided with the telescoping equipment between these two second round pin axles, left hypomere C type hook and right hypomere C type hook cross arrangement, both middle parts are fixed through third round pin axle swing joint.

According to the improvement of steps, lug plates are arranged on two sides of the balance beam respectively, a lifting hole is formed in the upper portion of each lug plate, a pin hole is formed in the lower portion of each lug plate, and a pin shaft penetrates through the pin hole, the upper end of the left movable arm rod and the upper end of the right movable arm rod to movably connect and fix the lug plates, the left movable arm rod and the right movable arm rod.

As a further improvement of , the telescopic equipment is a telescopic oil cylinder, and an oil inlet hole and an oil outlet hole of the telescopic oil cylinder are arranged on the telescopic equipment.

As a further improvement of the technical scheme, the balance beam is made of a steel pipe with the specification of phi 200x10 mm.

As a further improvement , the lug plate is a steel plate with a thickness of 100mm, a height of 450mm and a width of 200 mm.

Compared with the prior art, the utility model discloses its modern design, reasonable, simple manufacture, the preparation material is common, and is with low costs, has solved aerogenerator blade installation, the difficult problem of security of the blade operation personnel high altitude construction of unloading effectively, and construction convenience, construction speed is fast, practices thrift the investment, and reduce cost has improved aerogenerator installation effectiveness.

Drawings

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

FIG. 1: the utility model has a schematic view of the structure;

FIG. 2: the side-view structure schematic diagram of the utility model;

FIG. 1 is a 1-balance beam, a 2-sling unit, a 21-left movable arm rod, a 22-right movable arm rod, a 23-left lower C-shaped hook, a 24-right lower C-shaped hook, a 25- -th pin shaft, a 26-second pin shaft, a 27-telescopic device, a 271-telescopic cylinder oil inlet hole, a 272-telescopic cylinder oil outlet hole, a 28-third pin shaft, a 3-lifting lug plate, a 31-lifting hole, a 32-pin hole, a 4-blade to be loaded and unloaded, a 5-sling steel wire rope and a 6-lifting hook.

Detailed Description

As shown in fig. 1 and 2, the wind turbine blade loading and unloading automatic unhooking lifting appliance device is characterized in that the lifting appliance device is generally in a п shape, comprises a balance beam 1 made of a steel pipe with the specification of phi 200x10mm, lifting appliance units 2 are respectively arranged on two sides of the balance beam 1, each lifting appliance unit 2 comprises a left movable arm rod 21 and a right movable arm rod 22, the upper ends of the left movable arm rod 21 and the right movable arm rod 22 are movably connected to the end portion of the balance beam 1 through a -th pin shaft 25, the lower ends of the left movable arm rod 21 and the right movable arm rod 22 are respectively movably connected with a left lower section C-shaped hook 23 and a right lower section C-shaped hook 24 through a second pin shaft 26, a telescopic device 27 is further arranged between the two second pin shafts 26, the telescopic device 27 is a telescopic cylinder, a telescopic cylinder oil inlet 271 and a telescopic cylinder oil outlet 272 are arranged on the telescopic cylinder, the left lower section C-shaped hook 23 and the right lower section C-shaped hook 24 are arranged, and the middle portions of the two are movably connected and fixed through a.

, in the present embodiment, lugs 3 made of steel plates with thickness of 100mm, height of 450mm and width of 200mm are respectively disposed on both sides of the balance beam 1, a hanging hole 31 is opened on the upper part of the lug 3, a pin hole 32 is opened on the lower part of the lug, and a pin shaft 25 is respectively passed through the pin hole 32, the upper end of the left movable arm rod 21 and the upper end of the right movable arm rod 22 to movably connect and fix the lug 3, the left movable arm rod 21 and the right movable arm rod 22.

The working principle is that the automatic unhooking lifting appliance device for loading and unloading blades of wind driven generators is in the shape of п and comprises an upper part, a middle part and a lower part, wherein the upper part is balance beams 1, the left and right ends of the balance beams 1 are the same lifting appliance units 2, the two lifting appliance units 2 form the middle part and the lower part of the device, the middle part comprises a left movable arm rod 21, a right movable arm rod 22 and telescopic equipment 27, and the lower part comprises a left lower section C-shaped hook 23 and a right lower section C-shaped hook 24 which are crossed and connected through connecting pins respectively.

When in application, the construction method comprises the following construction steps:

step 1), processing an upper balance beam 1 by using a steel pipe with the specification of phi 200x10mm, welding two lug plates 3 made of steel plates with the thickness delta 100mm, the height x and the width 450x200mm at the left end and the right end of the balance beam 1, drilling suspension holes 31 with phi 40mm on the upper parts of the lug plates 3, and drilling pin holes 32 with phi 40mm at the lower part of a slotted notch;

step 2), machining the lifting lug units 2 on the left side and the right side of the balance beam 1, firstly machining two left movable arm rods 21 and two right movable arm rods 22 by using square steel with the thickness delta of 100mm, respectively forming pin holes with the diameter of 40mm at the upper end and the lower end of each left movable arm rod 21 and each right movable arm rod 22, then respectively combining pairs in pairs, wherein the upper end of each pair of left movable arm rod 21 and right movable arm rod 22 is connected with the pin hole 32 at the lower part of the lifting lug plate 3 through a pin shaft 25;

step 3), processing two left lower C-shaped hooks 23 and two right lower C-shaped hooks 24 by using square steel with the thickness delta of 100mm, respectively forming pin holes with the diameter of 50mm at the upper end and the middle part of each left lower C-shaped hook 23 and each right lower C-shaped hook 24, then respectively combining pairs in a pairwise crossing manner, respectively penetrating the middle parts of each pair of left lower C-shaped hooks 23 and right lower C-shaped hooks 24 through respective pin holes by using a third pin shaft 28 and matching nuts for movable connection and fixation, then movably connecting and fixing the upper end of each left lower C-shaped hook 23 and a right movable arm rod 22 by using a second pin shaft 26, movably connecting and fixing the upper end of each right lower C-shaped hook 24 and the left movable arm rod 21 by using a second pin shaft 26, and then arranging a telescopic device 27 between the two second pin shafts 26;

step 4), after the combination of the lifting appliance is completed, connecting the oil inlet and the oil outlet 271 and 272 of the telescopic oil cylinder of the telescopic equipment 27 with a quick plug for an oil pump oil circuit of the crane by using two hydraulic oil pipes respectively, and controlling the telescopic equipment 27 to stretch and retract by using a crane operation valve;

step 5), when the blade 4 to be loaded and unloaded needs to be loaded and unloaded, the lower end of a sling wire rope 5 is respectively connected with the lifting holes on the lifting lug plates 3 at the left end and the right end of the balance beam 1, the upper end of the sling wire rope is connected with a lifting hook 6 of a crane, the telescopic device 27 is controlled to retract through a crane operating valve, the left lower section C-shaped hook 23 and the right lower section C-shaped hook 24 at the lower part of the balance beam 1 are driven to be unfolded to form a pincerlike shape and extend to two sides of the blade 4 to be loaded and unloaded, the telescopic device 27 is controlled to extend through the crane operating valve, so that the lower ends of the left lower section C-shaped hook 23 and the right lower section C-shaped hook 24 clamp the blade 4 to be loaded and unloaded, then the crane is slowly lifted to the installation position of the blade 4.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

The utility model provides a aerogenerator blade loading and unloading automatic unhook hoist device, characterized by, its totality is "п" type, including compensating beam (1), the both sides of this compensating beam (1) are provided with hoist units (2) respectively, hoist unit (2) are including left movable arm pole (21) and right movable arm pole (22), the upper end of this left movable arm pole (21) and right movable arm pole (22) is through round pin axle (25) swing joint setting in the tip of compensating beam (1), the lower extreme of left movable arm pole (21) and right movable arm pole (22) is respectively through second round pin axle (26) swing joint left hypomere C type hook (23) and right hypomere C type hook (24), still be provided with flexible equipment (27) between these two second round pin axles (26), left C type hook (23) and right hypomere C type hook (24) cross arrangement, both middle parts are through third round pin axle (28) swing joint fixed.
2. The wind turbine blade loading and unloading automatic unhooking lifting tool device of claim 1, wherein lifting lug plates (3) are respectively arranged on two sides of the balance beam (1), a lifting hole (31) is formed in the upper portion of each lifting lug plate (3), a pin hole (32) is formed in the lower portion of each lifting lug plate, and a pin shaft (25) penetrates through the pin hole (32), the upper end of the left movable arm rod (21) and the upper end of the right movable arm rod (22) to movably connect and fix the lifting lug plates (3), the left movable arm rod (21) and the right movable arm rod (22).
3. The type wind driven generator blade loading and unloading automatic unhooking lifting tool device is characterized in that the telescopic device (27) is a telescopic oil cylinder, and an oil inlet hole (271) and an oil outlet hole (272) of the telescopic oil cylinder are formed in the telescopic oil cylinder.
4. The wind generator blade handling automatic unhooking spreader device of claim 1, wherein the balance beam (1) is made of steel tube with specification of phi 200x10 mm.
5. The wind-driven generator blade loading and unloading automatic unhooking lifting tool device is characterized in that, the lifting lug plate (3) is a steel plate with the thickness of 100mm, the height of 450mm and the width of 200 mm.