CN104139372A - Centering and positioning device and hole opposite penetration and alignment mechanism thereof - Google Patents

Centering and positioning device and hole opposite penetration and alignment mechanism thereof Download PDF

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Publication number
CN104139372A
CN104139372A CN201310443937.1A CN201310443937A CN104139372A CN 104139372 A CN104139372 A CN 104139372A CN 201310443937 A CN201310443937 A CN 201310443937A CN 104139372 A CN104139372 A CN 104139372A
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CN
China
Prior art keywords
wearing
hole
screw rod
centering
orientation lever
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
Application number
CN201310443937.1A
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Chinese (zh)
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CN104139372B (en
Inventor
张子明
蒋伟丽
董长利
刘雅娟
陈磊
孔玉辉
李伟奇
段冲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
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Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310443937.1A priority Critical patent/CN104139372B/en
Publication of CN104139372A publication Critical patent/CN104139372A/en
Application granted granted Critical
Publication of CN104139372B publication Critical patent/CN104139372B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention relates to a centering and positioning device and a hole opposite penetration and alignment mechanism thereof. The hole opposite penetration and alignment mechanism comprises a through screw rod and a bracket, wherein the through screw rod is fixed in a screw hole in the circumferential direction of the lower end surface of an upper part; a directional hole is formed in the bracket and has a center line, and the center line is used for being perpendicularly intersected with a centering axis of a centering tooling of the matched centering and positioning device and is perpendicularly intersected with a center line of a wire penetrating hole in the circumferential direction of the upper end surface of a to-be-mounted lower part simultaneously; a directional rod sliding in the direction of a center line of the directional hole penetrates through the directional hole; and a concave surface used for tightly holding the peripheral surface of the through screw rod so as to position the through screw rod in the circumferential direction is arranged at one end, close to the through screw rod, of the directional rod. With the adoption of the hole opposite penetration and alignment mechanism, not only can the hole opposite penetration and alignment process of a large part be more convenient and faster, but also the problem that the screw hole or the through hole is prone to damage after being expanded can be effectively solved.

Description

Alignment positioning device and hole thereof are to wearing alignment mechanism
Technical field
The present invention relates to alignment positioning device and hole thereof to wearing alignment mechanism.
Background technology
Parts in a kind of primary cut-out, in the assembling process of these parts, first the flange of diameter 2m is fixed on bracing frame, then at flange vertical direction completed knocked down products parts, last in product component sheathed one be about 4m, the cylindrical shell of heavily approximately two tons, cylindrical shell is connected by screw fastening with flange, and on cylindrical shell and flange, correspondence offers screw and the wire hole for plug-in mounting screw respectively.Because screw is in the lower surface of cylindrical shell and be blind hole, so fall on flange and need from the bottom up (oppositely) to tighten screw at cylindrical shell, align screw and wire hole bothers very much.The centering location of this screw and wire hole belongs to heavy parts centering, first the axis that uses centering tooling centering part to carry out contraposition cylindrical shell makes cylindrical shell and the common axis of flange, it is centering process, then use and to the screw of cylindrical shell, in circumferencial direction location, make screw and wire hole to wearing to wearing screw rod, hole is to wearing centering process.The device that said process is used is alignment positioning device, and it comprises that centering tooling and hole are to wearing alignment mechanism.Because cylindrical shell weight is very heavy, if there is no alignment flange wire hole to wearing screw rod when cylindrical shell falls, just easily screw or wire hole are sprained bad, again due to flange wire hole below, to when wearing screw rod, be difficult for observing.
Summary of the invention
The object of the present invention is to provide a kind of hole to wearing alignment mechanism, to solve hole on the corresponding end face circumference of two large parts in prior art to wearing in centering process wearing easily the sprain problem of bad screw or wire hole of screw rod.The present invention also provides a kind of and has used above-mentioned hole to wearing the alignment positioning device of alignment mechanism.
In order to address the above problem, hole of the present invention adopts following technical scheme to wearing alignment mechanism: hole is to wearing alignment mechanism, comprise for be fixedly arranged on the screw that makes progress in the lower surface week of upper parts to wearing screw rod, also comprise support, described support is provided with directional hole, described directional hole has the centering intersect vertical axis for the centering tooling of the alignment positioning device with adaptive, and simultaneously with the center line of the vertical and intersectant centerline of the wire hole making progress in upper surface week of lower parts to be installed, in described directional hole, be equipped with the orientation lever sliding along the centerline direction of directional hole, described orientation lever is near being provided with for holding tightly wearing screw rod outer peripheral face upwards to locate wearing the concave surface of screw rod in week wearing one end of screw rod.
Described concave surface is arc-shaped concave, and described orientation lever is near being provided with U-shaped arm to wearing one end of screw rod, and the opening of U-shaped arm is towards to wearing screw rod, and described arc-shaped concave is located on U-shaped arm, and the section radius of arc-shaped concave equals wearing the section radius of screw rod bottom.
On described orientation lever, offer in the longitudinal direction along orientation lever axis direction, extend, for limiting the gathering sill of orientation lever shift motion, on described support, be installed with the pin coordinating with gathering sill guiding and coordinate with the cell wall block at both ends on the length direction of gathering sill.
Hole of the present invention is to wearing the beneficial effect of alignment mechanism: adopt hole to wearing alignment mechanism, at upper parts and lower parts, complete after centering process, to to wearing screw rod, be screwed in the screw making progress in lower surface week of upper parts, along the axis rotation of upper parts, going up parts and promote orientation lever holds to wearing screw rod the concave surface on orientation lever tightly, parts on whereabouts, to wear screw rod insert under in the wire hole of parts after, withdraw from orientation lever, continue to fall upper parts to lower parts, at this moment go up screw on parts lower surface just with lower parts on wire hole reached wearing.Because the wire hole of the screw on upper parts lower surface and lower parts is not subject to the Action of Gravity Field of parts when wearing centering to wearing screw rod and orientation lever, screw and the wire hole on lower parts of above parts lower surface just can not be damaged yet; Again because of orientation lever position between upper parts lower surface and lower parts, so observe also during centering, be very easy to.Therefore, hole not only can make large parts more convenient, quick to wearing centering process in hole to wearing alignment mechanism, and can effectively solve screw or the wire hole bad problem of easily being sprained.
Further, the cooperation of gathering sill and pin not only can limit orientation lever shift motion, but also can prevent that orientation lever from rotating.
To achieve these goals, alignment positioning device of the present invention adopts following technical scheme: alignment positioning device, comprise that centering tooling and hole are to wearing alignment mechanism, described centering tooling comprises bracing frame, hole to wear alignment mechanism comprise for be fixedly arranged on the screw that makes progress in the lower surface week of upper parts to wearing screw rod, described hole also comprises support to wearing alignment mechanism, described support is provided with directional hole, described directional hole has the centering intersect vertical axis for the centering tooling of the alignment positioning device with adaptive, and simultaneously with the center line of the vertical and intersectant centerline of the wire hole making progress in upper surface week of lower parts to be installed, in described directional hole, be equipped with the orientation lever sliding along the centerline direction of directional hole, described orientation lever is near being provided with for holding tightly wearing screw rod outer peripheral face upwards to locate wearing the concave surface of screw rod in week wearing one end of screw rod.
Described concave surface is arc-shaped concave, and described orientation lever is near being provided with U-shaped arm to wearing one end of screw rod, and the opening of U-shaped arm is towards to wearing screw rod, and described arc-shaped concave is located on U-shaped arm, and the section radius of arc-shaped concave equals wearing the section radius of screw rod bottom.
On described orientation lever, offer in the longitudinal direction along orientation lever axis direction, extend, for limiting the gathering sill of orientation lever shift motion, on described support, be installed with the pin coordinating with gathering sill guiding and coordinate with the cell wall block at both ends on the length direction of gathering sill.
On bracing frame, be rotatably equipped with at least three locating pieces on the same setting circle of setting axis, the pivot center of described locating piece and vertical state while thering is only gravitate parallel with the tangent line of setting circle, described locating piece side has the righting face coordinating with the outer peripheral face location of upper parts under described vertical state, the end face of locating piece has for coordinating to drive locating piece deflection to enter the correcting face of deflection state with the upper parts support for the treatment of centering, maximum spacing and the minimum spacing of the correcting face of locating piece distance setting circle axis under vertical state are respectively L 1and L 2, righting identity distance is D from the distance of setting circle axis, for guaranteeing that upper parts can be supported on correcting face when the centering not and not be subject to the interference of correcting face after centering, L 1> D, L 2=D.
Described support is assemblied on bracing frame.
The beneficial effect of alignment positioning device of the present invention: first can utilize centering tooling, carry out the centering process of upper parts and lower parts.Then utilize hole to wearing alignment mechanism, carry out hole to wearing centering process: will to wearing screw rod, be screwed in the screw making progress in lower surface week of upper parts, along the axis rotation of upper parts, going up parts and promote orientation lever holds to wearing screw rod the concave surface on orientation lever tightly, parts on whereabouts, to wear screw rod insert under in the wire hole of parts after, withdraw from orientation lever, continue upper parts to lower parts, at this moment go up screw on parts lower surface just with lower parts on wire hole reached wearing.Because the wire hole of the screw on upper parts lower surface and lower parts is not subject to the Action of Gravity Field of parts when wearing centering to wearing screw rod and orientation lever, screw and the wire hole on lower parts of above parts lower surface just can not be damaged yet; Again because of orientation lever position between upper parts lower surface and lower parts, so observe also during centering, be very easy to.Therefore, alignment positioning device of the present invention not only can make large parts more convenient, quick to wearing centering process in hole, and can effectively solve screw or the wire hole bad problem of easily being sprained.
Further, because rotating, locating piece is assemblied on bracing frame, locating piece comprises correcting face and righting face, in centering process, upper parts are contacted with the correcting face of locating piece, under the Action of Gravity Field of upper parts, can make correcting face around pivot center deflection, according to the deflection situation of locating piece, adjust again the position of upper parts, be in course of adjustment, the locating piece deflecting can automatically be revised amount of deflection under the effect of deadweight, through repeatedly adjusting, locating piece no longer deflects, make locating piece in vertical state, the outer peripheral face of upper parts coordinates with the righting face of each locating piece location, because each locating piece is positioned on same setting circle, and the axis conllinear of the axis of this setting circle and the lower parts that are mounted, can realize the object of parts and lower parts coaxial line.Therefore, in use, locating piece is rotatable for the centering tooling of alignment positioning device of the present invention, very stiff and demanding with regard to not producing, thereby has avoided workpiece or centering tooling to cause damage.
Further, the cooperation of gathering sill and pin not only can limit orientation lever shift motion, but also can prevent that orientation lever from rotating.
Accompanying drawing explanation
Fig. 1 is the use state diagram of a kind of embodiment of alignment positioning device of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1;
Fig. 5 is the structural representation of Fig. 2 medium-height trestle;
Fig. 6 is the structural representation of orientation lever in Fig. 2;
Fig. 7 is the structural representation of wearing a screw rod in Fig. 2;
Fig. 8 is the structural representation of locating piece in Fig. 2.
The specific embodiment
A kind of embodiment of alignment positioning device of the present invention, as shown in Fig. 1-8: alignment positioning device comprises that centering tooling and hole are to wearing alignment mechanism.
Centering tooling comprises bracing frame 11, is rotatably equipped with four locating pieces 12 on the same setting circle of setting axis on bracing frame 11, the axis of this setting circle and the axis conllinear that is positioned at the lower parts 2 on bracing frame 11.Can rotate rotation axis rotation of locating piece 12.The pivot center of locating piece 12 and vertical state while thering is only gravitate parallel with the tangent line of setting circle, locating piece 12 sides have the righting face 14 coordinating with the outer peripheral face location of upper parts 1 under described vertical state, the end face of locating piece 12 has for coordinating with upper parts 1 support for the treatment of centering the correcting face 13 that enters deflection state with 12 deflections of driving locating piece, and maximum spacing and the minimum spacing of the correcting face 13 of locating piece 12 distance setting circle axis under vertical state are respectively L 1and L 2, righting face 14 is D apart from the distance of setting circle axis, for guaranteeing that upper parts can be supported on correcting face when the centering not and not be subject to the interference of correcting face after centering, L 1> D, L 2=D.
Hole to wear alignment mechanism comprise support 21 and for spinning in the screw making progress in the lower surface week of upper parts 1 to wearing screw rod 3.To wearing the top of screw rod 3, there is the thread segment coordinating with the screw spiral of upper parts 1.In the present embodiment, support 21 is assemblied on bracing frame 11, and support 21 is fixedly connected with by screw or bolt with bracing frame 11.Support 21 is provided with directional hole 22, described directional hole 22 have for the centering intersect vertical axis of the centering tooling of the alignment positioning device with adaptive and simultaneously with the center line of the vertical and intersectant centerline of the wire hole 10 making progress in upper surface week of lower parts 2 to be installed, in directional hole 22, be equipped with the orientation lever 23 that can slide along the axis direction of directional hole 22.On orientation lever 23, offer in the longitudinal direction along orientation lever 23 axis directions, extend, for limiting the gathering sill 24 of orientation lever 23 shift motions, on support 21, be installed with the pin 25 coordinating with gathering sill 24 guiding and coordinate with the cell wall block at both ends on the length direction of gathering sill 24.On described support 21, offer the pin hole 250 for plug-in mounting pin 25 being communicated with gathering sill 24.Being used in conjunction with of pin 25 and gathering sill 24, not only can limit orientation lever 23 away from near to wearing the extreme position of screw rod 3, and can prevent that orientation lever 23 from rotating.Orientation lever 23 is near being provided with for holding tightly wearing the concave surface of screw rod 3 outer peripheral faces wearing one end of screw rod 3.In the present embodiment, orientation lever 23 is near being provided with U-shaped arm 26 to wearing one end of screw rod 3, the opening of U-shaped arm 26 is towards to wearing screw rod 3, and U-shaped arm 26 has the side 28 of being located at arc-shaped concave 27 both sides for arc-shaped concave 27 and one, and arc-shaped concave 27 has formed described concave surface.The section radius of arc-shaped concave 27 equals wearing the section radius of screw rod 3 bottoms, when arc-shaped concave 27 is held tightly when wearing screw rod 3, arc-shaped concave 27 with to wearing the outer peripheral face location of screw rod 3, coordinate, side 28 can move up in upper parts to wearing screw rod 3 for restriction for 1 week, and then can prevent that upper parts 1 from rotating.The cross sectional shape of arc-shaped concave 27 is semicircle.When orientation lever 23 is positioned near when wearing screw rod 3 extreme position, the center line of arc-shaped concave 27 overlaps with the center line of the wire hole 20 of lower parts.On orientation lever 23 away from being provided with annular knurl 29 to wearing an end of screw rod 3.
The use procedure of the embodiment of the alignment positioning device of the invention described above, is first used centering tooling, makes parts 1 and lower parts 2 coaxial lines; Then use hole to wearing alignment mechanism, screw on parts 1 lower surface and the wire hole 20 on lower parts 2 have been reached wearing.In the present embodiment, the upper parts 1 of employing is cylindrical shell, and the lower part 2 of employing is flange.Wherein, centering process is as described below: first upper parts 1 are contacted with correcting face 13, under the Action of Gravity Field of upper parts 1, make correcting face 13 around pivot center deflection, according to the deflection situation of correcting face 13, adjust again the position of upper parts 1, be in course of adjustment, the locating piece 12 deflecting can automatically be revised amount of deflection under the effect of deadweight, through repeatedly adjusting, locating piece 12 no longer deflects, make locating piece 12 in vertical state, the outer peripheral face of upper parts 1 coordinates with righting face 14 location of four locating pieces 12, because four locating pieces 14 are positioned on same setting circle, this setting circle and lower parts 2 coaxial lines, therefore, reached the object of upper parts 1 and lower parts 2 coaxial lines.In centering process, locating piece 12 is rotatable, and upper parts 1 are very stiff and demanding with regard to not producing with locating piece 12, thereby avoided workpiece or centering tooling to cause damage.Hole is as described below to wearing centering process: after upper parts 1 and lower parts 2 centerings, to to wearing screw rod 3 spinnings, enter in the screw 12 making progress in lower surface week of upper parts 1, parts 1 promote open card that orientation lever 22 makes the U-shaped arm on orientation lever 22 to wearing on screw rod 3 in rotation, and arc-shaped concave 27 is held tightly wearing screw rod 3, on whereabouts, parts 1, to wear screw rod 3 insert under the wire hole 20 of parts 2 interior after, withdraw from orientation lever 22, continue to fall upper parts 1 to lower parts 2, at this moment go up screw on parts 1 lower surface just with lower parts 2 on wire hole 20 reached wearing.
In other embodiment of alignment positioning device of the present invention, annular knurl can also be omitted in the end away from U-shaped arm of orientation lever.
In other embodiment of alignment positioning device of the present invention, the number of locating piece can also be three or five or six or eight.
In other embodiment of alignment positioning device of the present invention, the circular arc that the cross sectional shape of arc-shaped concave can also radian be greater than 180 °.
In other embodiment of alignment positioning device of the present invention, can also omit gathering sill on orientation lever and the pin on support.
In other embodiment of alignment positioning device of the present invention, U-shaped arm can also only comprise arc-shaped concave, and omits the side of arc-shaped concave both sides.
In other embodiment of alignment positioning device of the present invention, the locating piece of centering tooling can also fixedly be assemblied on bracing frame.
Hole of the present invention is wearing the difference of the embodiment of alignment mechanism and the embodiment of above-mentioned alignment positioning device, does not comprise centering tooling.Described hole is identical to wearing the structure of alignment mechanism to the hole of the structure of wearing alignment mechanism and above-mentioned alignment positioning device, at this repeated description no longer.

Claims (8)

1. hole is to wearing alignment mechanism, comprise for be fixedly arranged on the screw that makes progress in the lower surface week of upper parts to wearing screw rod, it is characterized in that: also comprise support, described support is provided with directional hole, described directional hole has the centering intersect vertical axis for the centering tooling of the alignment positioning device with adaptive, and simultaneously with the center line of the vertical and intersectant centerline of the wire hole making progress in upper surface week of lower parts to be installed, in described directional hole, be equipped with the orientation lever sliding along the centerline direction of directional hole, described orientation lever is near being provided with for holding tightly wearing screw rod outer peripheral face upwards to locate wearing the concave surface of screw rod in week wearing one end of screw rod.
2. hole according to claim 1 is to wearing alignment mechanism, it is characterized in that: described concave surface is arc-shaped concave, described orientation lever is near being provided with U-shaped arm to wearing one end of screw rod, the opening of U-shaped arm is towards to wearing screw rod, described arc-shaped concave is located on U-shaped arm, and the section radius of arc-shaped concave equals wearing the section radius of screw rod bottom.
3. hole according to claim 1 and 2 is to wearing alignment mechanism, it is characterized in that: on described orientation lever, offer in the longitudinal direction along orientation lever axis direction, extend, for limiting the gathering sill of orientation lever shift motion, on described support, be installed with the pin coordinating with gathering sill guiding and coordinate with the cell wall block at both ends on the length direction of gathering sill.
4. alignment positioning device, comprise that centering tooling and hole are to wearing alignment mechanism, described centering tooling comprises bracing frame, hole to wear alignment mechanism comprise for be fixedly arranged on the screw that makes progress in the lower surface week of upper parts to wearing screw rod, it is characterized in that: described hole also comprises support to wearing alignment mechanism, described support is provided with directional hole, described directional hole has the centering intersect vertical axis for the centering tooling of the alignment positioning device with adaptive, and simultaneously with the center line of the vertical and intersectant centerline of the wire hole making progress in upper surface week of lower parts to be installed, in described directional hole, be equipped with the orientation lever sliding along the centerline direction of directional hole, described orientation lever is near being provided with for holding tightly wearing screw rod outer peripheral face upwards to locate wearing the concave surface of screw rod in week wearing one end of screw rod.
5. alignment positioning device according to claim 4, it is characterized in that: described concave surface is arc-shaped concave, described orientation lever is near being provided with U-shaped arm to wearing one end of screw rod, the opening of U-shaped arm is towards to wearing screw rod, described arc-shaped concave is located on U-shaped arm, and the section radius of arc-shaped concave equals wearing the section radius of screw rod bottom.
6. according to the alignment positioning device described in claim 4 or 5, it is characterized in that: on described orientation lever, offer in the longitudinal direction along orientation lever axis direction, extend, for limiting the gathering sill of orientation lever shift motion, on described support, be installed with the pin coordinating with gathering sill guiding and coordinate with the cell wall block at both ends on the length direction of gathering sill.
7. alignment positioning device according to claim 6, it is characterized in that: on bracing frame, be rotatably equipped with at least three locating pieces on the same setting circle of setting axis, the pivot center of described locating piece and vertical state while thering is only gravitate parallel with the tangent line of setting circle, described locating piece side has the righting face coordinating with the outer peripheral face location of upper parts under described vertical state, the end face of locating piece has for coordinating to drive locating piece deflection to enter the correcting face of deflection state with the upper parts support for the treatment of centering, maximum spacing and the minimum spacing of the correcting face of locating piece distance setting circle axis under vertical state are respectively L 1and L 2, righting identity distance is D from the distance of setting circle axis, for guaranteeing that upper parts can be supported on correcting face when the centering not and not be subject to the interference of correcting face after centering, L 1> D, L 2=D.
8. alignment positioning device according to claim 7, is characterized in that: described support is assemblied on bracing frame.
CN201310443937.1A 2013-09-26 2013-09-26 Alignment positioning device and hole thereof are to wearing alignment mechanism Active CN104139372B (en)

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Application Number Priority Date Filing Date Title
CN201310443937.1A CN104139372B (en) 2013-09-26 2013-09-26 Alignment positioning device and hole thereof are to wearing alignment mechanism

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Application Number Priority Date Filing Date Title
CN201310443937.1A CN104139372B (en) 2013-09-26 2013-09-26 Alignment positioning device and hole thereof are to wearing alignment mechanism

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CN104139372A true CN104139372A (en) 2014-11-12
CN104139372B CN104139372B (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108581874A (en) * 2018-04-11 2018-09-28 明阳智慧能源集团股份公司 Wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap method of adjustment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249343A (en) * 1991-08-23 1993-10-05 International Business Machines Corporation Apparatus for alignment of workpieces
CN2781328Y (en) * 2005-03-23 2006-05-17 王庆锋 Hole-hole alignment instrument
CN101254582A (en) * 2008-02-26 2008-09-03 安阳鑫盛机床有限公司 Self-centering machine tool center bracket system
CN201931378U (en) * 2010-12-28 2011-08-17 首钢莫托曼机器人有限公司 Positioning and aligning device of cylindrical work piece provided with radial through hole

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249343A (en) * 1991-08-23 1993-10-05 International Business Machines Corporation Apparatus for alignment of workpieces
CN2781328Y (en) * 2005-03-23 2006-05-17 王庆锋 Hole-hole alignment instrument
CN101254582A (en) * 2008-02-26 2008-09-03 安阳鑫盛机床有限公司 Self-centering machine tool center bracket system
CN201931378U (en) * 2010-12-28 2011-08-17 首钢莫托曼机器人有限公司 Positioning and aligning device of cylindrical work piece provided with radial through hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108581874A (en) * 2018-04-11 2018-09-28 明阳智慧能源集团股份公司 Wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap method of adjustment
CN108581874B (en) * 2018-04-11 2023-12-22 明阳智慧能源集团股份公司 Centering tool for main shaft bearing end cover of wind generating set and end cover adjusting method thereof

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