CN101791765A - Universal hold-down mechanism of steam turbine blade drill jig - Google Patents
Universal hold-down mechanism of steam turbine blade drill jig Download PDFInfo
- Publication number
- CN101791765A CN101791765A CN201010004445A CN201010004445A CN101791765A CN 101791765 A CN101791765 A CN 101791765A CN 201010004445 A CN201010004445 A CN 201010004445A CN 201010004445 A CN201010004445 A CN 201010004445A CN 101791765 A CN101791765 A CN 101791765A
- Authority
- CN
- China
- Prior art keywords
- universal
- slide block
- down mechanism
- steam turbine
- turbine blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Drilling And Boring (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a universal hold-down mechanism of a steam turbine blade clamp, comprising a frame composed of an upper cover plate, a lower cover plate, a left cushion block and a right cushion block, wherein the upper cover plate and the lower cover plate are respectively provided with a corresponding slide way which is provided with a plurality of notches; a universal slide block is arranged between the upper cover plate and the lower cover plate; the upper side and the lower side of the universal slide block are respectively provided with a support shaft; the support shaft on the upper side of the universal slide block is installed in the slide way in the upper cover plate; the support shaft on the lower side of the universal slide block is installed in the slide way in the lower cover plate; the universal slide block is movably connected with a pressure lever of which the axial direction is crossed with the axial direction of the support shaft; and one end of the pressure lever is provided with a pressure head. The universal hold-down mechanism comprises the slide ways, the universal slide block, the pressure lever and the pressure head, has simple structure, strong generality, low using cost and convenient operation; a blade is pressed by the pressure head; the pressure head is connected with the universal slide block which slides in the slide ways, so that the universal hold-down mechanism is flexible to adjust and has high efficiency.
Description
(1) technical field
The present invention relates to the machining frock, be specially a kind of universal hold-down mechanism of steam turbine blade drill jig.
(2) background technology
The turbine blade profile is a distortion profile, and blade profile processing utilizes three centre bores location usually.Three centre bores are processing location benchmark, so processing request is higher, need to adopt the special jewel anchor clamps to guarantee.
Existing drill jig structure as shown in Figure 1 and Figure 2, its by about two root posts 1 form clamp body with two base plates 8 up and down; Be fixed with below the base plate 8 of clamp body top and bore plate 2, on bore be fixed with one on the plate 2 on top 4; Be fixed with down above the base plate 8 of clamp body below and bore plate 9, be fixed with two following top 10 on the following brill plate 9; Two root posts, 1 inboard is provided with key 3, and guiding side plate 6 can move up and down along key 3.
The boring clamping process of turbine blade is as follows: at first detect on special measuring tool by the dedicated test model, determine in the blade profile back of the body arc and to advance the lagging edge surplus even, accomplish fluently the sample dotting punch of three centre bores; Then, in that on top 4 and down top 10 the location on the drill jig, the checking surplus is even with three sample dotting punches of blade 7; After determining, install location-plate 5 on blade 7, cast sn-bi alloy 11 fixes blade 7 in location-plate 5; On drilling machine, bore three centre bores of blade 7 then; After three centre drills are good, adopt hammer to break sn-bi alloy 11 into pieces, the fragment of sn-bi alloy 11 is melted again, carry out the fixedly boring of next blade, so circulation.
Above-mentioned method by cast sn-bi alloy fixed blade on drill jig, though can guarantee the crudy of blade three centre bores, operation is trouble, efficient is low, cost is high.
(3) summary of the invention
At the problems referred to above, the invention provides a kind of universal hold-down mechanism of steam turbine blade drill jig, this hold-down mechanism is simple in structure, and is convenient to operation, the production efficiency height.
Its technical scheme is such: it comprises by upper cover plate, lower cover, the framework that left side cushion block and right cushion block are formed, be respectively arranged with corresponding chute on described upper cover plate and the described lower cover, described chute is provided with a plurality of recesses, between described upper cover plate and described lower cover, be provided with universal slide block, the both sides up and down of described universal slide block are respectively arranged with back shaft, the back shaft of described universal slide block upside is installed in the chute of described upper cover plate, the back shaft of described universal slide block downside is installed in the chute of described lower cover, be connected with depression bar on the described universal slide block, axially axially arranged in a crossed manner with described back shaft of described depression bar, an end of described depression bar is provided with pressure head.
Its further technical scheme is:
Described depression bar is threaded with described universal slide block, and described depression bar is provided with clamp nut; Described pressure head is movably connected on the described depression bar; Described pressure head is provided with briquetting; Described briquetting is divided into back of the body arc voltage piece and inner arc briquetting; The material of described briquetting is a sn-bi alloy; One side of described framework is provided with hinge; The opposite side of described framework is provided with opening and closing structure; Described opening and closing structure comprises that handwheel, hand wheel pole reach and the hinged connecting plate of described hand wheel pole, and described hand wheel pole is arranged in the groove of described left cushion block or described right cushion block; Described back shaft is the bolt that is threaded on the described universal slide block.
The present invention includes chute, universal slide block, depression bar and pressure head, simple in structure, highly versatile, use cost are low, compress blade by pressure head, easy to operate, pressure head is connected with universal slide block by depression bar, universal slide block slides in chute, and adjusting is flexible, efficient is high; Pressure head is movably connected on the depression bar, and pressure head can rotate, and does a fine setting, and pressure head is compressed reliably; Pressure head is provided with briquetting, can be used to protect the profile of blade, by manufacturing different briquettings, can make the different profiles of briquetting applying blade, has increased versatility of the present invention; The present invention is installed on the drill jig by hinge and opening and closing structure, convenient disassembly.
(4) description of drawings
Fig. 1 is the structural representation of existing steam turbine blade drill jig;
Fig. 2 is the A-A cutaway view among Fig. 1;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the B-B cutaway view among Fig. 3.
(5) specific embodiment
As shown in Figure 3, Figure 4, the present invention is a kind of universal hold-down mechanism that being used on the general steam turbine blade drill jig compresses blade that is installed in.It comprises the framework of being made up of by screw 5 upper cover plate 2, lower cover 6, left cushion block 15 and right cushion block 4.Be respectively arranged with corresponding chute 21 on upper cover plate 2 and the lower cover 6, chute 21 is provided with a plurality of recesses 22.Be provided with universal slide block 10 between upper cover plate 2 and lower cover 6, the both sides up and down of universal slide block 10 are respectively arranged with back shaft 8.The back shaft 8 of universal slide block 10 upsides is installed in the chute 21 of upper cover plate 2, and the back shaft 8 of universal slide block 10 downsides is installed in the chute 21 of lower cover 6, and the back shaft 8 of universal slide block 10 can slide along chute 21, and can be positioned on recess 22 places.Be connected with depression bar 11 on the universal slide block 10, depression bar 11 axially and back shaft 8 axially arranged in a crossed manner, preferably quadrature is arranged in a crossed manner, an end of depression bar 11 is provided with pressure head 12.The present invention is fixed blade 7 by mechanical mechanism, and is simple in structure, and highly versatile, use cost are low; Compress blade 7 by pressure head 12, easy to operate; Pressure head 12 is connected with universal slide block 10 by depression bar 11, and universal slide block 10 slides in chute 21, and adjusting is flexible, efficient is high.
Depression bar 11 preferably adopts with the connected mode of universal slide block 10 and is threaded, and processes internal thread on universal slide block 10, and depression bar 11 is spun on the universal slide block 10.Can also be provided with clamp nut 20 on the depression bar 11, play and tight locking effect.
In order to protect the profile of blade 7, on pressure head 12, can also be provided with briquetting 16,17, briquetting 16,17 adopts housing screw 23 to be fixed. Briquetting 16,17 manufactures according to the corresponding profile of blade 7, is divided into back of the body arc voltage piece 16 and inner arc briquetting 17.The material of briquetting 16,17 adopts low-melting alloy, is preferably sn-bi alloy.
The present invention is installed on the column 1 of general steam turbine blade drill jig.One side of framework of the present invention is the right side in the present embodiment, is provided with hinge 3, and hinge 3 is installed on column 1 and the right cushion block 4 by screw 18.At the opposite side of framework, in the present embodiment left side, be provided with opening and closing structure.Opening and closing structure comprises handwheel 13, hand wheel pole 14 and the connecting plate 20 hinged with hand wheel pole 14, and connecting plate 20 is installed on the column 1 by screw, and hand wheel pole 14 is arranged in the groove of left cushion block 15.Certainly, the present invention also can be arranged on hinge 3 left side, and opening and closing structure is arranged on the right side, and correspondingly right cushion block 4 is provided with the groove that holds hand wheel pole 14.The present invention is installed on the drill jig convenient disassembly by hinge 3 and opening and closing structure.
Among the present invention, the back shaft 8 of universal slide block 10 can be and universal slide block 10 integrative-structures, also can be the branch body structure.For example, back shaft 8 can adopt the bolt that is threaded on the universal slide block 10, particularly can adopt hexagon flange bolt, and locks with slim nut 9.
During use, the present invention's one well matched two universal slide blocks 10 correspondingly have 2 pressure heads 12; Compressing a blade 7 generally needs to be equipped with 4 the present invention, and wherein, 2 the present invention are used to compress the convex profile of blade 7, other 2 interior arc shaped surfaces that are used to compress blade 7.
The course of work of the present invention is as follows: blade 7 is positioned on the acorde bur anchor clamps according to the sample dotting punch of accomplishing fluently in advance, after special-purpose model checking, the universal hold-down mechanism of back of the body arc in the blade 7 is shut around hinge 3 rotations, be pressed abd fixed on by handwheel 13 on the column 1 of drill jig; Universal slide block 10 is moved along the chute 21 on upper cover plate 2 and the lower cover 6, move to the recess 22 of appropriate location, depression bar 11 is adjusted to the normal direction of blade 7, so that compress blade 7 in normal direction; Pressure head 12 around bearing pin 19 rotation, is done a fine setting, make fit the fully corresponding profile of blade 7 of back of the body arc voltage piece 16 and inner arc briquetting 17; After adjust the position,, blade 7 is fixed by regulating the clamp nut 20 on the depression bar 11; After three centre drills of blade 7 are good, unclamp the handwheel 13 of the universal hold-down mechanism on the arc shaped surface in the blade 7, open inner arc two universal hold-down mechanisms up and down, take out blade 7, adopt identical method again, next blade 7 is installed, blade 7 is fixing, the machining center hole.
Claims (10)
1. the universal hold-down mechanism of a steam turbine blade drill jig, it is characterized in that: it comprises by upper cover plate, lower cover, the framework that left side cushion block and right cushion block are formed, be respectively arranged with corresponding chute on described upper cover plate and the described lower cover, described chute is provided with a plurality of recesses, between described upper cover plate and described lower cover, be provided with universal slide block, the both sides up and down of described universal slide block are respectively arranged with back shaft, the back shaft of described universal slide block upside is installed in the chute of described upper cover plate, the back shaft of described universal slide block downside is installed in the chute of described lower cover, be connected with depression bar on the described universal slide block, axially axially arranged in a crossed manner with described back shaft of described depression bar, an end of described depression bar is provided with pressure head.
2. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 1, it is characterized in that: described depression bar is threaded with described universal slide block, and described depression bar is provided with clamp nut.
3. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 1 and 2, it is characterized in that: described pressure head is movably connected on the described depression bar.
4. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 3, it is characterized in that: described pressure head is provided with briquetting.
5. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 4 is characterized in that: described briquetting is divided into back of the body arc voltage piece and inner arc briquetting.
6. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 4, it is characterized in that: the material of described briquetting is a sn-bi alloy.
7. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 1, it is characterized in that: a side of described framework is provided with hinge.
8. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 7, it is characterized in that: the opposite side of described framework is provided with opening and closing structure.
9. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 8, it is characterized in that: described opening and closing structure comprises that handwheel, hand wheel pole reach and the hinged connecting plate of described hand wheel pole, and described hand wheel pole is arranged in the groove of described left cushion block or described right cushion block.
10. the universal hold-down mechanism of a kind of steam turbine blade drill jig according to claim 1, it is characterized in that: described back shaft is the bolt that is threaded on the described universal slide block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010100044459A CN101791765B (en) | 2010-01-15 | 2010-01-15 | Universal hold-down mechanism of steam turbine blade drill jig |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010100044459A CN101791765B (en) | 2010-01-15 | 2010-01-15 | Universal hold-down mechanism of steam turbine blade drill jig |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101791765A true CN101791765A (en) | 2010-08-04 |
CN101791765B CN101791765B (en) | 2011-12-14 |
Family
ID=42584796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010100044459A Expired - Fee Related CN101791765B (en) | 2010-01-15 | 2010-01-15 | Universal hold-down mechanism of steam turbine blade drill jig |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101791765B (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102147245A (en) * | 2010-11-20 | 2011-08-10 | 无锡透平叶片有限公司 | Novel clamping tool used for three-coordinate detection of static blade profile |
CN102145465A (en) * | 2011-04-15 | 2011-08-10 | 杭州中水水力发电设备有限公司 | All-purpose clamping tool for blade machining |
CN102490049A (en) * | 2011-12-02 | 2012-06-13 | 无锡透平叶片有限公司 | Hollow static blade leading and trailing edge milling clamp device for four-axis rotary machine tool |
CN102513839A (en) * | 2011-12-08 | 2012-06-27 | 河南航天精工制造有限公司 | Drilling device of flange face bolt |
CN102689217A (en) * | 2012-05-31 | 2012-09-26 | 北京航空航天大学 | Device for correcting double-shaft micro-deformation blade reference |
CN103128566A (en) * | 2011-12-05 | 2013-06-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Auxiliary machining device preventing cutting deformation of thin-wall space curved face part |
CN103350213A (en) * | 2013-07-04 | 2013-10-16 | 常州市三维技术成套设备有限公司 | Low-melting-point alloy casting positioning technology in turbine blade machining |
CN104289934A (en) * | 2014-08-25 | 2015-01-21 | 哈尔滨汽轮机厂有限责任公司 | Blade locating device for machining milling dowel of compression ignition guide blade of milling machine |
CN105397533A (en) * | 2015-12-27 | 2016-03-16 | 无锡透平叶片有限公司 | Square box structure for processing turbine blade |
CN105436929A (en) * | 2015-12-08 | 2016-03-30 | 山西汾西重工有限责任公司 | Vibration prevention machining clamp for milling surfaces of propeller blades |
CN105522420A (en) * | 2016-01-21 | 2016-04-27 | 南京理工大学 | Flexible clamp suitable for positioning and clamping complex curved surfaces of parts |
US9542739B1 (en) | 2015-08-12 | 2017-01-10 | General Electric Company | Virtual turbomachine blade contact gap inspection |
CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
US10013752B2 (en) | 2016-11-18 | 2018-07-03 | General Electric Company | Virtual blade inspection |
CN109128912A (en) * | 2018-10-10 | 2019-01-04 | 北京北机床股份有限公司 | A kind of curved surface positioning process flexible chucking tools and spoon of blade chucking method |
CN110509089A (en) * | 2019-09-05 | 2019-11-29 | 中国航空制造技术研究院 | It is a kind of for processing the vibration damping tooling of wide-chord hollow fan blade |
CN110842455A (en) * | 2019-12-24 | 2020-02-28 | 无锡透平叶片有限公司 | Universal assembling device for spot welding of hollow blades |
CN111136510A (en) * | 2019-12-25 | 2020-05-12 | 贵阳航发精密铸造有限公司 | Datum conversion machining method and conversion tool for turbine guide blade with complex profile |
CN111266965A (en) * | 2020-03-25 | 2020-06-12 | 安徽志恒智能装备制造有限公司 | A frock clamp mechanism for screw is polished |
CN114227288A (en) * | 2021-12-28 | 2022-03-25 | 无锡透平叶片有限公司 | Arbor blade turning reinforcing device |
CN114769637A (en) * | 2022-03-17 | 2022-07-22 | 大唐山东烟台电力开发有限公司 | Wind-powered electricity generation blade connects sudden strain of a muscle ware installation device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102873362B (en) * | 2012-09-21 | 2015-04-22 | 西安陕鼓动力股份有限公司 | Horizontal type punching method and horizontal-type punching tool for datum holes of blade die forged blank |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4033569A (en) * | 1976-10-15 | 1977-07-05 | Dunn Garf L | Deformation-preventing workpiece-holding fixture for machine tools |
CN2049574U (en) * | 1989-06-30 | 1989-12-20 | 航空航天工业部红原锻铸厂 | Universal drill for three locationing holes of big vane of steam turbine |
US7762004B2 (en) * | 2007-01-31 | 2010-07-27 | General Electric Company | Inspection tool for measuring bucket Z notch position |
CN201109035Y (en) * | 2007-09-24 | 2008-09-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Special-purpose fixture |
CN101372046B (en) * | 2008-09-26 | 2011-02-02 | 无锡透平叶片有限公司 | Special fixture of drill blade top centre hole for blade |
CN201592364U (en) * | 2010-01-15 | 2010-09-29 | 无锡市艾尔福叶片有限公司 | Universal hold-down mechanism of blade drill jig for stream turbine |
-
2010
- 2010-01-15 CN CN2010100044459A patent/CN101791765B/en not_active Expired - Fee Related
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102147245B (en) * | 2010-11-20 | 2013-01-23 | 无锡透平叶片有限公司 | Novel clamping tool used for three-coordinate detection of static blade profile |
CN102147245A (en) * | 2010-11-20 | 2011-08-10 | 无锡透平叶片有限公司 | Novel clamping tool used for three-coordinate detection of static blade profile |
CN102145465A (en) * | 2011-04-15 | 2011-08-10 | 杭州中水水力发电设备有限公司 | All-purpose clamping tool for blade machining |
CN102145465B (en) * | 2011-04-15 | 2012-11-07 | 杭州中水水力发电设备有限公司 | All-purpose clamping tool for blade machining |
CN102490049A (en) * | 2011-12-02 | 2012-06-13 | 无锡透平叶片有限公司 | Hollow static blade leading and trailing edge milling clamp device for four-axis rotary machine tool |
CN103128566A (en) * | 2011-12-05 | 2013-06-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Auxiliary machining device preventing cutting deformation of thin-wall space curved face part |
CN102513839B (en) * | 2011-12-08 | 2014-10-01 | 河南航天精工制造有限公司 | Drilling device of flange face bolt |
CN102513839A (en) * | 2011-12-08 | 2012-06-27 | 河南航天精工制造有限公司 | Drilling device of flange face bolt |
CN102689217A (en) * | 2012-05-31 | 2012-09-26 | 北京航空航天大学 | Device for correcting double-shaft micro-deformation blade reference |
CN102689217B (en) * | 2012-05-31 | 2014-06-18 | 北京航空航天大学 | Device for correcting double-shaft micro-deformation blade reference |
CN103350213A (en) * | 2013-07-04 | 2013-10-16 | 常州市三维技术成套设备有限公司 | Low-melting-point alloy casting positioning technology in turbine blade machining |
CN103350213B (en) * | 2013-07-04 | 2016-09-07 | 常州市三维技术成套设备有限公司 | Low-melting alloy casting positioning process in turbine Blade Machining |
CN104289934A (en) * | 2014-08-25 | 2015-01-21 | 哈尔滨汽轮机厂有限责任公司 | Blade locating device for machining milling dowel of compression ignition guide blade of milling machine |
CN104289934B (en) * | 2014-08-25 | 2016-07-27 | 哈尔滨汽轮机厂有限责任公司 | A kind of blade locking device for milling machine processing combustion pressure guide vane milling pin |
US9542739B1 (en) | 2015-08-12 | 2017-01-10 | General Electric Company | Virtual turbomachine blade contact gap inspection |
CN105436929A (en) * | 2015-12-08 | 2016-03-30 | 山西汾西重工有限责任公司 | Vibration prevention machining clamp for milling surfaces of propeller blades |
CN105397533A (en) * | 2015-12-27 | 2016-03-16 | 无锡透平叶片有限公司 | Square box structure for processing turbine blade |
CN105522420A (en) * | 2016-01-21 | 2016-04-27 | 南京理工大学 | Flexible clamp suitable for positioning and clamping complex curved surfaces of parts |
US10013752B2 (en) | 2016-11-18 | 2018-07-03 | General Electric Company | Virtual blade inspection |
CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
CN109128912A (en) * | 2018-10-10 | 2019-01-04 | 北京北机床股份有限公司 | A kind of curved surface positioning process flexible chucking tools and spoon of blade chucking method |
CN110509089A (en) * | 2019-09-05 | 2019-11-29 | 中国航空制造技术研究院 | It is a kind of for processing the vibration damping tooling of wide-chord hollow fan blade |
CN110842455A (en) * | 2019-12-24 | 2020-02-28 | 无锡透平叶片有限公司 | Universal assembling device for spot welding of hollow blades |
CN111136510A (en) * | 2019-12-25 | 2020-05-12 | 贵阳航发精密铸造有限公司 | Datum conversion machining method and conversion tool for turbine guide blade with complex profile |
CN111136510B (en) * | 2019-12-25 | 2021-09-10 | 贵阳航发精密铸造有限公司 | Datum conversion machining method and conversion tool for turbine guide blade with complex profile |
CN111266965A (en) * | 2020-03-25 | 2020-06-12 | 安徽志恒智能装备制造有限公司 | A frock clamp mechanism for screw is polished |
CN114227288A (en) * | 2021-12-28 | 2022-03-25 | 无锡透平叶片有限公司 | Arbor blade turning reinforcing device |
CN114227288B (en) * | 2021-12-28 | 2024-04-19 | 无锡透平叶片有限公司 | Shaft handle blade turning reinforcing device |
CN114769637A (en) * | 2022-03-17 | 2022-07-22 | 大唐山东烟台电力开发有限公司 | Wind-powered electricity generation blade connects sudden strain of a muscle ware installation device |
CN114769637B (en) * | 2022-03-17 | 2024-01-30 | 大唐山东烟台电力开发有限公司 | Wind-powered electricity generation blade meets flashing device installation device |
Also Published As
Publication number | Publication date |
---|---|
CN101791765B (en) | 2011-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101791765B (en) | Universal hold-down mechanism of steam turbine blade drill jig | |
CN201592364U (en) | Universal hold-down mechanism of blade drill jig for stream turbine | |
CN201446412U (en) | Novel arc-surface drilling jig | |
CN204843063U (en) | A drill point utensil for processing oblique oilhole of piston head | |
CN105855941B (en) | A kind of Rapid Combination flexible fixture for large scale flat-type work pieces process | |
CN107662118B (en) | Milling and clamping tool for arc-shaped clamp end face | |
CN111618335A (en) | Shaft boss shell part multi-directional hole site machining device | |
CN108032106B (en) | Efficient numerical control turning clamp and clamping method | |
CN210451933U (en) | Clamp | |
CN109048415A (en) | A kind of machining center bracket milling face drilling milling manual tooling of circular arc | |
CN107932013B (en) | A kind of pressure sensor provision for disengagement | |
CN106166623B (en) | Split plain bearing seat bolt hole processes clamping device | |
CN106166622B (en) | Engine cylinder cover bores inclined oil hole of air processing clamping device and processing method | |
CN205968282U (en) | Metal sheet closing device | |
CN201859090U (en) | Impact specimen clamper | |
CN102489923B (en) | Engine gear-shift shaft welding tool | |
CN110253044A (en) | Rotating shaft type drilling tool | |
CN207171525U (en) | A kind of drilling machine processing inclined special fixture | |
CN212265247U (en) | A contour machining tool for metal center compresses tightly | |
CN209303768U (en) | A kind of magnetic drill vertical support device | |
CN208644481U (en) | A kind of welding fixture | |
CN112476260A (en) | Forceps holder tool with plane bearing device | |
CN214237167U (en) | Rapid clamping device | |
CN202507100U (en) | Clamp for milling machine sample preparation | |
CN216132822U (en) | A centering positioner for concrete sample compressive strength is experimental |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20150115 |
|
EXPY | Termination of patent right or utility model |