CN202271129U

CN202271129U - Tool for welding engine room frame of wind turbine generator system

Info

Publication number: CN202271129U
Application number: CN2011203937291U
Authority: CN
Inventors: 章立东; 常涛; 杨帆
Original assignee: Tianjin Seri Machinery Equipment Corp Ltd
Current assignee: Tianjin Seri Machinery Equipment Corp Ltd
Priority date: 2011-10-14
Filing date: 2011-10-14
Publication date: 2012-06-13
Anticipated expiration: 2021-10-14

Abstract

The utility model relates to a tool for welding an engine room frame of a wind turbine generator system, which is characterized by comprising a tool frame body, left and right upper supports and left and right lower supports, wherein the left and right upper supports and the left and right lower supports are respectively and symmetrically welded at both sides of the tool frame body; the positions of the outer end faces of the four supports in the space are correspondingly aligned with the positions of combination surfaces of four box bodies on the engine room frame; and the outer end faces of the four supports are respectively provided with pin holes and through holes, which are correspondingly aligned with pin holes and through holes on the combination surfaces of the corresponding box bodies. When the tool is adopted, firstly, the combination surfaces, the through holes and the pin holes of the four box bodies are processed; then the four box bodies are correspondingly and fixedly arranged on the four supports of the tool and the box bodies are aligned, welded and fixed with other parts of the engine room frame; and finally, the tool is disassembled from the box bodies. Due to the adoption of the tool, the welding process is simplified; related elements of processing the box bodies on a large-scale boring miller are not required; the processing difficulty and the processing cost are reduced; and the tool can be repeatedly used, so that the labor intensity of workers is reduced, the tool is time-saving and labor-saving when being operated, the production efficiency is improved and the tool is particularly suitable for batch production.

Description

Frock is used in the welding of wind generating set engine room framework

Technical field

The utility model relates to the welding technology field of wind generating set engine room framework, and frock is used in a kind of especially wind generating set engine room framework welding.

Background technology

At present; In the technical field of wind power generation at home; The 6MW wind-driven generator is the maximum wind power generating set of single-machine capacity of China's independent research, and wherein engine room frame is a wind power generating set main frame fuselage framework, and this engine room frame is made up of eight parts; Its manufacturing process is: be welded into each several part by steel plate and shaped steel earlier; Connect to form the framework general structure through high-strength bolt closing then, each several part is welded as a whole, the handle of last whole processing framework upper orbital plane, front end casing and speedup frame closes conjunction plane and closes connection holes.There is following problem in above-mentioned manufacturing process:

(1) the welding forming product percent of pass is low, and after it mainly showed integral solder, distortion was serious; Main cause is that the engine room frame skeleton construction is thin, and front end C shape structural instability, the welding easy deformation; Be difficult to control, be prone to produce mismatch closing the connection place simultaneously, increase flame school shape difficulty.

(2) because the restriction of engine room frame appearance and size realizes the processing of the total order machined key element of engine room frame, can only on large-sized numerical control boring and milling lathe, accomplish.The skeleton construction poor rigidity of engine room frame generally adopts definitely position of contour pad because the welding error of each part, often add man-hour to the selection of being installed of engine room frame, centering, positioning reference proposed more rationally, more accurate requirement.

(3) on large-scale boring and milling machine, utilize on the angular milling head processing front end/during the relevant machining element of lower box, difficulty of processing is big, and efficient is low, needs to select the processing stations that is fit to, and the selection of being installed of engine room frame, centering, technological datum is had certain requirement.All there is trivial operations in this kind method, takies device resource and human resources, and then causes production cost high.

Summary of the invention

The utility model provides simplified manufacturing technique for solving the technical problem that exists in the known technology, reduces difficulty of processing and processing charges, and it is slight to reduce work, enhances productivity, and frock is used in the wind generating set engine room framework welding that is suitable for mass production.

The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:

Frock is used in a kind of wind generating set engine room framework welding; It is characterized in that: comprise the frock support body and respectively balanced welding be contained in the upper left bearing of frock support body both sides, upper right bearing and left undersetting, bottom right bearing; The outer face of said four bearings four casings on the position in space and engine room frame align the position of closing face one by one, are shaped on the pin-and-hole and the through hole that align the pin-and-hole and the through hole that close on the face with corresponding casing on the outer face of said four bearings respectively.

Advantage and the good effect that the utlity model has are:

Adopt above-mentioned welding tooling; The handle of four casings of processing closes face and is located at closing through hole and the pin-and-hole on the face earlier; Respectively four casing correspondences are packed on four bearings of frock through alignment pin and bolt then; It is fixing to make other parts of casing and engine room frame align welding, and alignment pin and the connecting bolt with connect box and frock takes off at last, unloads frock from casing.Above-mentioned frock has been simplified welding sequence; Need on large-scale boring and milling machine, not come the relevant factor of machining box, reduce difficulty of processing and processing cost, because frock can be used repeatedly; And then reduced working strength of workers; It is time saving and energy saving to operate, and has improved production efficiency, is particularly useful for the production of mass.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Partial enlarged drawing among Fig. 2 Fig. 1;

Fig. 3 is the user mode reference diagram of the utility model.

Among the figure: 1, frock support body; 2, upper left bearing; 3, upper right bearing; 4, left undersetting; 5, bottom right bearing; 6, pin-and-hole; 7, through hole; 8, casing.

The specific embodiment

For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:

See also Fig. 1-3; Frock is used in a kind of wind generating set engine room framework welding; Comprise frock support body 1 and respectively balanced welding be contained in upper left bearing 2, upper right bearing 3 and left undersetting 4, the bottom right bearing 5 of frock support body both sides; The outer face of said four bearings four casings on the position in space and engine room frame align the position of closing face one by one, and are concrete, when outer face and the handle of corresponding casing of any one bearing on the frock close just face after; Three bearings of other of frock also close with the handle of corresponding casing respectively and are just facing; Be shaped on the pin-and-hole 6 and the through hole 7 that align the pin-and-hole and the through hole that close on the face with corresponding casing on the outer face of said four bearings respectively, in the drawings, pin-and-hole is located at the position at diagonal angle.

After adopting above-mentioned frock, the operation of the welding of casing and other parts is:

(1) process the casing of engine room frame separately: the handle that mills casing closes face, and the system of boring is closing dowel hole and through hole on the face;

(2) through alignment pin four casings are separately fixed on four bearings of frock, utilize bolt fixing after adjusting closing;

(4) casing and engine room frame integral solder are arrived together.This moment, the position of casing was fixed by frock, and its distance confirms that by the distance between the side supports outer face position degree in its flatness, the depth of parallelism and each hole also can be guaranteed through frock;

(4) after welding is accomplished, alignment pin is taken out, unload bolt, remove frock and get final product.

To sum up, adopt above-mentioned frock, changed the welding and the manufacturing procedure of casing; Adopt the mode of afterwards welding of process earlier, one side can be on common boring and milling equipment machining box, avoided the higher technological requirement when large-scale boring and milling apparatus processing; Reduced difficulty of processing and processing cost,, and then reduced working strength of workers owing to frock can be used repeatedly; It is time saving and energy saving to operate, and has improved production efficiency, is particularly useful for the production of mass.

Claims

1. frock is used in a wind generating set engine room framework welding; It is characterized in that: comprise the frock support body and respectively balanced welding be contained in the upper left bearing of frock support body both sides, upper right bearing and left undersetting, bottom right bearing; The outer face of said four bearings four casings on the position in space and engine room frame align the position of closing face one by one, are shaped on the pin-and-hole and the through hole that align the pin-and-hole and the through hole that close on the face with corresponding casing on the outer face of said four bearings respectively.