CN110744267A - Ring for wind power equipment and machining process - Google Patents

Ring for wind power equipment and machining process Download PDF

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Publication number
CN110744267A
CN110744267A CN201911113808.XA CN201911113808A CN110744267A CN 110744267 A CN110744267 A CN 110744267A CN 201911113808 A CN201911113808 A CN 201911113808A CN 110744267 A CN110744267 A CN 110744267A
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China
Prior art keywords
face
casting body
large end
hole
small end
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Application number
CN201911113808.XA
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Chinese (zh)
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CN110744267B (en
Inventor
张耀庭
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Wuxi Huaneng Thermal Equipment Co Ltd
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Wuxi Huaneng Thermal Equipment Co Ltd
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Priority to CN201911113808.XA priority Critical patent/CN110744267B/en
Publication of CN110744267A publication Critical patent/CN110744267A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention relates to the technical field of wind power equipment assembly parts, and discloses a circular ring for wind power equipment and a machining process, wherein the circular ring comprises a casting body, a large end face and a small end face are arranged on the casting body, a connecting through hole is formed in the surface annular array of the small end face, threaded counter bores and positioning holes are formed in the surface annular array of the large end face, a first ladder hole, a second ladder hole and a third ladder hole are sequentially formed in the inner side of the casting body from the small end face to the large end face, an installation lug surface is formed between the inner side walls of the second ladder hole and the third ladder hole, and an installation threaded hole is formed in the installation lug surface. This ring and processing technology for wind power equipment, inferior location carry out the processing of multichannel process to the foundry goods body, reduce the location clamp frequency of foundry goods body processing to guarantee the follow-up finish machining's of ring benchmark correction, carry out the finish machining with same machining center line each other between each machined surface, the machining error of effectual reduction foundry goods body.

Description

Ring for wind power equipment and machining process
Technical Field
The invention relates to the technical field related to wind power equipment assembly parts, in particular to a circular ring for wind power equipment and a processing technology.
Background
With the popularization and use of new energy sources, the machining, manufacturing and assembly of wind power equipment need to be processed through a plurality of machining processes, wherein the circular ring component for the wind power equipment is generally formed by finish machining of an integral casting, the circular ring component needs to be assembled into a whole by matching with an adaptive assembly part, and the circular ring component needs to be precisely matched with a corresponding assembly part to reduce installation deviation between the assembly parts, so that the finish machining of the circular ring component is required to be high in precision, but the existing circular ring for the wind power equipment cannot achieve ideal machining precision in the plurality of machining processes, needs to be corrected and machined for many times, consumes high machining cost, and is low in machining efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a circular ring for wind power equipment and a processing technology thereof, and solves the problems that the circular ring for the wind power equipment has larger processing precision deviation and increases the production cost.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ring and processing technology for wind power equipment, includes the foundry goods body, be provided with big terminal surface and little terminal surface on the foundry goods body, the surperficial annular array of little terminal surface is provided with connect the through-hole, and threaded counter bore and locating hole have been seted up to the surperficial annular array of big terminal surface, and first ladder hole, second ladder hole and third ladder hole have been seted up in proper order to big terminal surface from the little terminal surface in the inboard of foundry goods body, have seted up the installation lug face between the inside wall in second ladder hole and third ladder hole, have seted up the installation screw hole on the installation lug face.
Preferably, the casting body is in a hollow frustum shape, the large end face and the small end face are mutually parallel end faces, and the casting body has large machining allowance.
Preferably, the threaded counter bores and the positioning holes are distributed on the surface of the large end face in a staggered mode.
Preferably, the lower port of the connecting through hole is communicated with the second ladder hole.
Preferably, the hole centers of the first ladder hole, the second ladder hole and the third ladder hole are all located on the same vertical axis.
The invention provides a ring for wind power equipment and a processing technology thereof, and the ring comprises the following steps:
1) the casting body is machined by using a vertical lathe, the large end of the casting body faces downwards and is placed on a rotary worktable of the vertical lathe, the casting body is leveled by using a large end back surface blank of the casting body, the casting body is adjusted to enable the outline to be evenly distributed in the center of the rotary worktable of the vertical lathe, the large end back surface of the casting body is used as a reference surface, a height ruler is used, a first machining line of a large end surface is marked at a position 90mm (+3/0) away from the large end back surface of the casting body blank, a second machining line of a small end surface is marked at a position 1010mm away from the large end surface, the small end surface is roughly and finely machined to the second machining line by using the vertical lathe, the inner side wall of the small end surface part is roughly and finely machined by using the vertical lathe, the opening diameter phi 2901.3 of the small end surface is used, the back surface of the small end surface of the vertical lathe is used to phi 3127.3, the thickness;
2) milling by using a planer type milling machine, placing a workpiece on an equal height pad with a small end face facing downwards, milling by using the small end face as a reference face, correcting a casting body by using an arc-shaped protrusion at the inner end of a large end face, centering by using an annular outer side wall of the small end face as a circle center, roughly milling an annular inner side wall of the large end face to phi 200 by using the planer type milling machine, boring a hole phi 200 to phi 203 in the annular inner side wall of the large end face, chamfering a port of the large end face, drilling a 36 x phi 39 threaded counter bore at the end face of the large end face, chamfering the threaded counter bore at 45 degrees, reversely scraping the top port of the threaded counter bore to phi 110, reversely scraping the depth 80, wiping a blank above a mounting lug face at the inner side of the casting body, recording the size (as a processing reference for fine processing of the mounting lug face), roughly and finely milling the mounting lug face to the center 1593.5 (the size is from the processing reference), and spot, a threaded bottom hole of a mounting threaded hole M20 on the surface of the mounting lug is adjusted to phi 17.3, the machining depth is 43 (attention is paid that the mounting lug cannot be opened, and the guide direction of a drill bit is not more than 3), then the mounting threaded hole is tapped, scrap iron is cleaned, and a workpiece is placed;
3) milling by using a planer type milling machine, placing the casting body on an equal-height pad with a large end face facing downwards, aligning the center of the casting body from the inner side wall of a small end face, point-drilling a 108 x phi 33 connecting through hole on the small end face, cleaning scrap iron, and placing a workpiece;
4) chamfering by a bench worker, removing all burrs and sharp edges, and smoothly processing the corner transition part;
5) checking the size and filling a final inspection report;
6) and coating anti-rust oil and warehousing.
(III) advantageous effects
The invention provides a circular ring for wind power equipment and a processing technology. The method has the following beneficial effects:
(1) this ring and processing technology for wind power equipment through the shape design of foundry goods body, are convenient for fix a position and set up the processing reference surface its big terminal surface and little terminal surface to make the foundry goods body can carry out the rough machining process on an accurate reference surface, thereby the machining precision of effectual improvement ring subassembly.
(2) This ring and processing technology for wind power equipment mutually supports through foundry goods body, big terminal surface and little terminal surface, uses the second processing line to go out the little terminal surface as the standard line car earlier, uses the little terminal surface as the reference surface again, and first processing line is the big terminal surface of standard line car play, and the processing that once fixes a position and carry out multichannel process to the foundry goods body reduces the location of foundry goods body processing and presss from both sides tight number of times to the follow-up finish machining's of guarantee ring benchmark is rectified.
(3) The ring for the wind power equipment and the processing technology have the advantages that the rotor plane or the milling plane is arranged on the large end face port, the small end face port and the inner side or the outer wall of the casting body, each processing surface is subjected to finish machining with the same processing center line, and the processing error of the casting body is effectively reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is an enlarged view of the structure shown at D in FIG. 3;
FIG. 5 is an enlarged view of the structure at C in FIG. 3;
fig. 6 is a sectional view of the structure at the position B-B in fig. 2.
In the figure: 1 casting body, 2 big terminal surfaces, 3 little terminal surfaces, 4 screw thread counter bores, 5 locating holes, 6 first terraced holes, 7 second terraced holes, 8 third terraced holes, 9 installation lug faces, 10 connect the through-hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a technical solution: a circular ring for wind power equipment and a processing technology thereof comprise a casting body 1, wherein the casting body 1 is in a hollow frustum shape, a large end face 2 and a small end face 3 are parallel end faces, the casting body 1 has large processing allowance, the casting body 1 is provided with the large end face 2 and the small end face 3, a surface annular array of the small end face 3 is provided with connecting through holes 10, a surface annular array of the large end face 2 is provided with threaded counter bores 4 and positioning holes 5, the threaded counter bores 4 and the positioning holes 5 are distributed on the surface of the large end face 2 in a staggered manner, the inner side of the casting body 1 is provided with a first ladder hole 6, a second ladder hole 7 and a third ladder hole 8 from the small end face 3 to the large end face 2 in sequence, the lower port of the connecting through hole 10 is communicated with the second ladder hole 7, the hole centers of the first ladder hole 6, the second ladder hole 7 and the third ladder hole 8 are all positioned on the same vertical axis, an installation lug surface 9 is arranged between the inner side walls of the second ladder hole 7, the mounting lug surface 9 is provided with a mounting threaded hole.
A ring for wind power equipment and a processing technology thereof comprise the following steps:
1) the casting body 1 is placed on a rotary worktable of the vertical lathe with the big end facing downwards, leveling the casting body 1 by using the large end back blank of the casting body 1, adjusting the casting body 1 to enable the outline to be evenly distributed at the center of a rotary worktable of a vertical lathe, using the large end back of the casting body 1 as a reference surface and using a height gauge, marking a first processing line of a large end face 2 at a position 90mm (+3/0) away from the back face of the large end of a blank of a casting body 1, marking a second processing line of a small end face 3 at a position 0mm away from the large end face 2101, roughly and finely turning the small end face 3 to the second processing line by using a vertical lathe, roughly and finely turning the inner side wall of the small end face 3 part by using the vertical lathe, ensuring the thickness 240, performing arc transition of a root R8, clearing scrap iron and discharging a workpiece, wherein the opening diameter phi 2901.3 of the small end face 3 is from the back face to phi 3127.3 of the small end face 3 by using the vertical lathe;
2) milling by using a planomiller, placing a workpiece on an equal-height cushion with a small end face 3 facing downwards, milling by using the small end face 3 as a reference surface, correcting the casting body 1 by using an arc-shaped protrusion at the inner end of a large end face 2, centering by using the annular outer side wall of the small end face 3 as a circle center, roughly milling the annular inner side wall of the large end face 2 to phi 200 by using the planomiller, boring a hole phi 200 to phi 203 in the annular inner side wall of the large end face 2, chamfering the port of the large end face 2, drilling a 36 multiplied phi 39 threaded counter bore 4 at the end face of the large end face 2, chamfering the threaded counter bore 4 by 45 degrees, reversely scraping the top port of the threaded counter bore 4 to 110 phi, reversely scraping the depth 80, roughly scraping a blank above the mounting lug surface 9 on the inner side of the casting body 1, recording the size (serving as a processing reference for finishing the mounting lug surface 9), roughly and finely milling the mounting lug surface 9 to the center 1593.5(, a mounting threaded hole is drilled in the mounting lug surface 9, the threaded bottom hole of the mounting threaded hole M20 in the mounting lug surface 9 is drilled to phi 17.3, the machining depth is 43 (note that the drilling head cannot be opened, and the guiding direction of the drilling head is not more than 3), then the mounting threaded hole is tapped, scrap iron is cleaned, and a workpiece is placed;
3) milling by using a planer type milling machine, placing the casting body 1 on an equal-height pad with the large end surface 2 facing downwards, aligning the center of the inner side wall of the small end surface 3, point-drilling a connecting through hole 10 of 108 multiplied by phi 33 on the small end surface 3, cleaning scrap iron, and discharging a workpiece;
4) chamfering by a bench worker, removing all burrs and sharp edges of the casting body 1, and smoothly processing the corner transition part;
5) checking the size and filling a final inspection report;
6) and coating anti-rust oil and warehousing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a ring and processing technology for wind power equipment, includes the foundry goods body, its characterized in that: the casting comprises a casting body and is characterized in that a large end face and a small end face are arranged on the casting body, connecting through holes are formed in the surface annular array of the small end face, threaded counter bores and positioning holes are formed in the surface annular array of the large end face, a first ladder hole, a second ladder hole and a third ladder hole are sequentially formed in the inner side of the casting body from the small end face to the large end face, an installation lug face is formed between the inner side walls of the second ladder hole and the third ladder hole, and installation threaded holes are formed in the installation lug face.
2. The ring for the wind power equipment according to claim 1, wherein: the casting body is in a hollow frustum shape, the large end face and the small end face are parallel end faces, and the casting body has large machining allowance.
3. The ring for the wind power equipment according to claim 1, wherein: the thread counter bores and the positioning holes are distributed on the surface of the large end face in a mutually staggered mode.
4. The ring for the wind power equipment according to claim 1, wherein: and the lower port of the connecting through hole is communicated with the second ladder hole.
5. The ring for the wind power equipment according to claim 1, wherein: the hole centers of the first ladder hole, the second ladder hole and the third ladder hole are all located on the same vertical axis.
6. The ring for the wind power equipment and the processing technology thereof as claimed in claim 1, wherein the method comprises the following steps:
1) the casting body is machined by using a vertical lathe, the large end of the casting body faces downwards and is placed on a rotary worktable of the vertical lathe, the casting body is leveled by using a large end back surface blank of the casting body, the casting body is adjusted to enable the outline to be evenly distributed in the center of the rotary worktable of the vertical lathe, the large end back surface of the casting body is used as a reference surface, a height ruler is used, a first machining line of a large end surface is marked at a position 90mm (+3/0) away from the large end back surface of the casting body blank, a second machining line of a small end surface is marked at a position 1010mm away from the large end surface, the small end surface is roughly and finely machined to the second machining line by using the vertical lathe, the inner side wall of the small end surface part is roughly and finely machined by using the vertical lathe, the opening diameter phi 2901.3 of the small end surface is used, the back surface of the small end surface of the vertical lathe is used to phi 3127.3, the thickness;
2) milling by using a planer type milling machine, placing a workpiece on an equal height pad with a small end face facing downwards, milling by using the small end face as a reference face, correcting a casting body by using an arc-shaped protrusion at the inner end of a large end face, centering by using an annular outer side wall of the small end face as a circle center, roughly milling an annular inner side wall of the large end face to phi 200 by using the planer type milling machine, boring a hole phi 200 to phi 203 in the annular inner side wall of the large end face, chamfering a port of the large end face, drilling a 36 x phi 39 threaded counter bore at the end face of the large end face, chamfering the threaded counter bore at 45 degrees, reversely scraping the top port of the threaded counter bore to phi 110, reversely scraping the depth 80, wiping a blank above a mounting lug face at the inner side of the casting body, recording the size (as a processing reference for fine processing of the mounting lug face), roughly and finely milling the mounting lug face to the center 1593.5 (the size is from the processing reference), and spot, a threaded bottom hole of a mounting threaded hole M20 on the surface of the mounting lug is adjusted to phi 17.3, the machining depth is 43 (attention is paid that the mounting lug cannot be opened, and the guide direction of a drill bit is not more than 3), then the mounting threaded hole is tapped, scrap iron is cleaned, and a workpiece is placed;
3) milling by using a planer type milling machine, placing the casting body on an equal-height pad with a large end face facing downwards, aligning the center of the casting body from the inner side wall of a small end face, point-drilling a 108 x phi 33 connecting through hole on the small end face, cleaning scrap iron, and placing a workpiece;
4) chamfering by a bench worker, removing all burrs and sharp edges, and smoothly processing the corner transition part;
5) checking the size and filling a final inspection report;
6) and coating anti-rust oil and warehousing.
CN201911113808.XA 2019-11-14 2019-11-14 Ring for wind power equipment and machining process Active CN110744267B (en)

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CN110744267B CN110744267B (en) 2022-05-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720075A (en) * 2020-12-26 2021-04-30 哈尔滨工业大学 On-site circle center alignment machining process of large flange

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CN109277585A (en) * 2018-11-30 2019-01-29 中国航发沈阳黎明航空发动机有限责任公司 A kind of Ti3Al alloy guide vane inner ring method for turning
CN208450627U (en) * 2018-05-18 2019-02-01 常州市羊氏模具有限公司 Active mould pattern block Vehicle Processing detects cylinder
CN109365793A (en) * 2018-10-24 2019-02-22 武汉理工大学 A kind of automation grinding and polishing process for annular titanium alloy casting
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CN103403345A (en) * 2010-03-09 2013-11-20 谢夫勒科技股份两合公司 Rotary connection of a rotor blade to the rotor hub of a wind energy plant
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CN107999784A (en) * 2017-11-15 2018-05-08 中国航发沈阳黎明航空发动机有限责任公司 A kind of tiltedly support plate load-bearing frame casting benchmark preliminary working method
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CN109277585A (en) * 2018-11-30 2019-01-29 中国航发沈阳黎明航空发动机有限责任公司 A kind of Ti3Al alloy guide vane inner ring method for turning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720075A (en) * 2020-12-26 2021-04-30 哈尔滨工业大学 On-site circle center alignment machining process of large flange

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