CN217571823U

CN217571823U - Guide vane turning clamp for large compressor wheel disc

Info

Publication number: CN217571823U
Application number: CN202221159087.3U
Authority: CN
Inventors: 郑兰兰; 李玉权
Original assignee: Wuxi Aierfu Blade Co ltd
Current assignee: Wuxi Aierfu Blade Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-14
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a stator car adds clamping apparatus of large-scale compressor rim plate, it includes that chassis, a plurality of compress tightly the strip outward, compress tightly strip and pressure strip in a plurality of, a plurality of external pressure strip equidistance interval sets up on the first circumference on chassis, and the pressure strip equidistance interval sets up on the second circumference on chassis in a plurality of, and the radius of first circumference is greater than the radius of second circumference, on the chassis in be provided with annular stator assembly portion of circle between first circumference and the second circumference, a plurality of stator has been placed to stator assembly portion department, and the pressure strip is placed in the top of a plurality of stator, and a plurality of compresses tightly the strip outward and a plurality of and all is provided with on the pressure strip and compresses tightly the subassembly, compresses tightly the subassembly and compresses tightly the strip with a plurality of external pressure strip and a plurality of and compresses tightly the radial both ends at the pressure strip. The guide vane turning clamp for the large-scale compressor wheel disc is simple in structure and ingenious in design; and the machining precision is high, the uniform turning allowance is realized, and the size of each Zhang She sheet and the size after assembly are ensured.

Description

Guide vane turning clamp for large compressor wheel disc

Technical Field

The utility model belongs to large-scale compressor rim plate processing technology especially relates to a stator car adds clamping apparatus of large-scale compressor rim plate.

Background

At present, the following defects generally exist in the processing process of guide vanes of a large-scale compressor wheel disc:

1) The small end of the guide vane is provided with a T-shaped arc groove when a single blade is machined, the guide vane cannot be machined by a cutter due to the fact that the structural size is relatively small, the position has relatively high requirements for the assembly size, and the machining precision of the existing guide vane machining technology is not high;

2) The guide vane is in order to keep unanimous in root cap department when a single blade adds man-hour, and the customer can take to put volume processing many times, but need get rid of the surplus before the whole circle assembly, and the uniformity of the surplus car processing of all guide vanes can not be guaranteed to current guide vane processing technique.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stator car adds clamping apparatus of large-scale compressor rim plate to there is the not high problem with the car surplus uniformity of machining precision in the course of working in the stator of large-scale compressor rim plate among the solution prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a stator car adds clamping apparatus of large-scale compressor rim plate, its includes that chassis, a plurality of compress tightly strip and pressure strip outward, wherein, a plurality of outer compress tightly strip equidistance interval set up in on the first circumference on chassis, a plurality of press tightly strip equidistance interval set up in on the second circumference on chassis, the radius of first circumference is greater than the radius of second circumference, on the chassis in be provided with annular stator assembly portion of circle between first circumference and the second circumference, a plurality of stator has been placed to stator assembly portion department, the pressure strip place in the top of a plurality of stator, a plurality of compresses tightly outward and all is provided with on the compress tightly strip in a plurality of and the plurality of and compresses tightly the subassembly, compress tightly the subassembly and compress tightly the strip in a plurality of outward and a plurality of compress tightly the radial both ends of pressure strip.

Furthermore, the compressing assembly comprises a limiting bolt and a compressing bolt, the limiting bolt and the compressing bolt are matched on the chassis, inner threaded holes are formed in the limiting bolt and the compressing bolt, the limiting bolt is assembled on the chassis in a height-adjustable mode through the inner threaded holes, the compressing bolt is matched with the non-compressing ends of the outer compressing strip and the inner compressing strip, through holes are formed in the non-compressing ends of the outer compressing strip and the inner compressing strip, and the compressing bolt penetrates through the through holes and is locked in the corresponding inner threaded holes.

Further, the guide vane assembly part is matched with the guide vane appearance to be provided with a boss for positioning the guide vane.

Further speaking, the guide vane assembly part is matched with the guide vane appearance is provided with an avoiding groove for avoiding the guide vane.

Furthermore, a positioning step surface for positioning the guide vane is arranged on the bottom surface of one end, close to the outer pressing strip, of the pressing plate.

The beneficial effects of the utility model are that, compare with prior art the stator car adds clamping apparatus of large-scale compressor rim plate has following advantage:

1) The structure is simple, the design is ingenious, and the manufacturing cost is low;

2) The two ends of the guide vane are respectively pressed and fixed through a special clamp, and a small-end T groove, a small-end face and a large-end face of the guide vane are respectively machined, so that the machining precision is high;

3) The whole circle of guide vanes are assembled on the clamp, and unified positioning and pressing are performed for one-turning allowance, so that unified turning allowance is realized, and the size of each Zhang She sheet and the size after assembly are ensured.

Drawings

Fig. 1 is a schematic partial structural view of a guide vane turning clamp of a large compressor wheel disc according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the pressing and positioning of the guide vane turning clamp for a large-sized compressor wheel disc according to the embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, in this embodiment, a turning fixture for a guide vane of a large-scale compressor wheel disc includes a chassis 1, a plurality of outer pressing strips 2, a plurality of inner pressing strips 3 and a pressing plate 4, the plurality of outer pressing strips 2 are arranged on a first circumference of the chassis 1 at equal intervals, the plurality of inner pressing strips 3 are arranged on a second circumference of the chassis 1 at equal intervals, a radius of the first circumference is greater than a radius of the second circumference, a circular guide vane assembling portion 5 is arranged on the chassis 1 between the first circumference and the second circumference, a whole circle of guide vanes 6 are assembled at the guide vane assembling portion 5 along a circumferential direction of the guide vane assembling portion, and a pressing plate 4 is arranged on each guide vane 6.

In order to ensure the uniformity of the assembling positions of all the guide vanes 6, the guide vane assembling part 5 is provided with a boss 7 for positioning the guide vanes in a manner of being matched with the appearance of the guide vanes 6, and the guide vane assembling part 5 is provided with an avoiding groove 8 for avoiding the guide vanes 6 in a manner of being matched with the appearance of the guide vanes. And a positioning step surface 9 for positioning the guide vane is arranged on the bottom surface of one end of the pressing plate 4 close to the outer pressing strip 2.

Spacing bolt 10 and clamp bolt 11 are all installed to the non-compression end of clamp bar 3 in a plurality of external clamp bar 2 and a plurality of, internal thread hole 12 has all been seted up to cooperation spacing bolt 10 and clamp bolt 11 on chassis 1, spacing bolt 11 can be assembled on chassis 1 through internal thread hole 12 heightening, interval between clamp bar 3 and chassis 1 carries on spacingly in a plurality of external clamp bar 2 and a plurality of through spacing bolt 11, cooperation clamp bolt 11 has seted up the through-hole in the non-compression end of external clamp bar 2 with interior clamp bar 3, clamp bolt 11 passes the through-hole and locks in the internal thread hole that corresponds, clamp bar 2 will press outward and compress tightly at the radial both ends of clamp plate 4 with interior clamp bar 3.

During clamping, all the compression bolts 11 are loosened, the outer compression strip 2 and the inner compression strip 3 are rotated to enable the outer compression strip and the inner compression strip to be free from interference on the guide vane 6, then the whole circle of guide vanes 6 are respectively placed in the guide vane assembling part 5, the compression plates 4 are placed on the guide vanes 6, finally the outer compression strip 2 and the inner compression strip 3 are rotated to the outside of the compression plates 4, and all the compression bolts 11 are locked in the corresponding inner thread holes 12.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stator car adds clamping apparatus of large-scale compressor rim plate, its includes that chassis, a plurality of compress tightly strip and pressure strip outward, its characterized in that, a plurality of external compress tightly strip equidistance interval set up in on the first circumference on chassis, a plurality of internal compress tightly strip equidistance interval set up in on the second circumference on chassis, the radius of first circumference is greater than the radius of second circumference, on the chassis in be provided with annular stator assembly portion of circle between first circumference and the second circumference, stator assembly portion department has placed a plurality of stator, the pressure strip place in the top of a plurality of stator, a plurality of compresses tightly all to be provided with on the strip and the plurality of internal compress tightly the subassembly outward, compress tightly the subassembly and compress tightly the strip in a plurality of and compress tightly the radial both ends of pressure strip in a plurality of.

2. The guide vane turning clamp for the large compressor wheel disc as claimed in claim 1, wherein the pressing assembly comprises a limiting bolt and a pressing bolt, the chassis is provided with an inner threaded hole matching with the limiting bolt and the pressing bolt, the limiting bolt is assembled on the chassis in a height-adjustable manner through the inner threaded hole, a through hole is formed in the non-pressing end of the outer pressing strip and the non-pressing end of the inner pressing strip matching with the pressing bolt, and the pressing bolt penetrates through the through hole and is locked in the corresponding inner threaded hole.

3. The guide vane turning jig of a large compressor disk according to claim 1, wherein the guide vane fitting portion is provided with a boss for positioning a guide vane in cooperation with the guide vane outer shape.

4. The guide vane turning clamp of the large-sized compressor wheel disc as claimed in claim 3, wherein the guide vane assembling portion is provided with an avoidance groove for avoiding the guide vane in cooperation with the guide vane profile.

5. The guide vane turning clamp for the large compressor wheel disc as claimed in claim 4, wherein a positioning step surface for positioning the guide vane is formed on a bottom surface of one end of the pressing plate close to the outer pressing strip.