CN103752883A - Method for improving boring precision of trolley frame of container crane and boring tool - Google Patents
Method for improving boring precision of trolley frame of container crane and boring tool Download PDFInfo
- Publication number
- CN103752883A CN103752883A CN201410027963.0A CN201410027963A CN103752883A CN 103752883 A CN103752883 A CN 103752883A CN 201410027963 A CN201410027963 A CN 201410027963A CN 103752883 A CN103752883 A CN 103752883A
- Authority
- CN
- China
- Prior art keywords
- boring
- boring rod
- rod
- plate
- trolley frame
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a method for improving the boring precision of a trolley frame of a container crane and a boring tool. The method comprises the steps that a trolley is placed under a sunshade, and on a fixed foundation, the specially-used boring tool is used for boring machining; the top of the trolley frame is horizontally arranged, and the machining allowance line of a wheel plate face, the machining center line of a wheel plate bore hole and the datum line are integrally marked out; the position of a boring bar of a machine tool is adjusted, so that the center line of a machining spindle of the machine tool is placed in the same straight line, the tool is used for fixing the machine tool and the boring bar, and the trolley face and the bore hole of the trolley frame are subjected to boring machining through the boring bar. The specially-used tool comprises the boring bar, a boring cutter mounted on the boring bar, a workbench and a power head, and further comprises a cardan joint, a bottom plate, a supporting device A and a supporting device B, wherein the supporting device A and the supporting device B are arranged at the two ends of the bottom plate. The supporting device A and the supporting device B are arranged on the bottom plate to be used for supporting the boring bar. By the adoption of the method and the tool, the boring precision is greatly improved.
Description
Technical field
The present invention relates to a kind of processing method of bore hole, be specifically related to a kind of processing method of improving container crane trolley frame bore hole precision.
Background technology
Along with container crane is to maximization, the development of full-automatic aspect, the principal organ's crab traversing speed moving as container crane is also improving constantly, to the requirement of manufacturing, assembly quality proposition is higher.Crane groundwork unit is trolley, trolley is comprised of lifting mechanism, wheeling mechanism and trolley frame three parts again, wherein trolley frame is the frame of supporting and installation lifting mechanism and wheeling mechanism, is again the metal structure of bearing and transmitted load up simultaneously.But due to the factor impact of the aspect such as equipment machining accuracy, certainty of measurement, portioned product causes gnawing rail phenomenon because of trolley frame bore hole precision problem.
The JD501 and the JD502 horizontal boring machine that adopt at present carry out the operation of trolley frame bore hole, this equipment performance is lower, traditional processing method is arranged moulding bed, jacking on smooth place, then utilize boring machine to process, because boring technological equipment is simple and crude, furthermore boring machine is placed on the ground, and during work, vibration also can affect machining accuracy deviation, therefore, urgent need is improved boring process, raising bore hole precision is extremely urgent.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of processing method of improving container crane trolley frame bore hole precision, has improved trolley frame bore hole precision, has improved greatly subsequent product and has gnawed rail phenomenon.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of method of improving container crane trolley frame bore hole precision, and its innovative point is:
Preparation method is as follows:
(1) dolly is placed under sunshade, on fixing ground, utilizes special boring frock to carry out Boring;
(2) before bore hole, on ground, arrange jack jacking and moulding bed, then trolley frame top is horizontally disposed with, integral body marks wheel plate face allowance line, wheel plate Boring center line and datum line;
(3) utilize four special boring frocks to carry out heavy boring processing for the first time to trolley frame, adjust the position of frock, the position of the lift adjustment boring rod by frock main spindle box, make machining spindle center line point-blank, utilize frock fixedly lathe and boring rod, boring rod carries out roughing to trolley frame wheel hole, four boring machines are processed wheel hole simultaneously and are adding laser repetition measurement adjustment at any time in man-hour, the depth of cut 4～the 5mm of boring rod during heavy boring, 65～80 ° of boring cutter angles, the rotating speed 50.669rpm of boring rod, adds monolateral reserved 0.5mm allowance in man-hour;
(4) after heavy boring operation, laser repetition measurement trolley frame gauge, cardinal distance, single wheel are opened shelves, perpendicularity and the homonymy wheel plane depth of parallelism, after guaranteeing that each size is qualified, carry out secondary fine processing, the depth of cut 0.1～the 0.2mm of boring rod during fine finishining, 65～80 ° of boring cutter angles, boring rod rotating speed 101.338rpm, after trolley frame bore hole to the shaving of wheel plate.
Further, avoiding direct sunlight place to draw wheel plate face allowance line, wheel plate Boring center line and datum line, summer is in morning, line in evening.
Another object of the present invention is to provide a kind of boring technological equipment, comprise boring rod, be arranged on boring cutter, workbench and unit head on boring rod, its innovative point is: also comprise universal joint, base plate, be arranged at bracing or strutting arrangement A and the bracing or strutting arrangement B at base plate two ends;
Described boring rod one end is connected with unit head by universal joint, and the boring rod other end is installed boring cutter;
Described bracing or strutting arrangement A is arranged near the first side of power, for supporting boring rod, comprises boring template plate; Described boring template plate comprises cope match-plate pattern and lower bolster; The lower end of cope match-plate pattern and the upper end of lower bolster are provided with the arcuate openings of mutual coupling;
Described bracing or strutting arrangement B is set on boring rod, is fixed on the base plate near a side of boring cutter, for supporting boring rod; Described bracing or strutting arrangement B comprises bracing frame and is fixed on the axle sleeve on bracing frame, boring rod is through axle sleeve, on boring rod, be set with an angular contact bearing, angular contact ball bearing supporting sleeve, arranges a step surface on boring rod, the inner face of angular contact ball bearing props up step surface, the outer face of angular contact ball bearing is spacing fixing by bearing gland, some spring eyes are set, mounting spring in hole, the pad being connected with spring and adjustment screw on described bearing gland; Described angular contact ball bearing outer face side arranges one section of thread segment, and thread segment connects locking nut, between locking nut and angular contact bearing, is provided with spring.
Further, cope match-plate pattern and lower bolster two ends are provided with bolt hole, and cope match-plate pattern and lower bolster are locked by clamping screw.
Further, described lower bolster and bracing or strutting arrangement B and template plate junction arrange reinforcement.
Further, between described reinforcement, lower bolster or bracing or strutting arrangement B and base plate by being welded to connect.
Further, described base plate and base are bolted, and on described base plate, surrounding all arranges row's bolt hole, are provided with another group bolt hole larger than base plate upper bolt hole aperture on base on the position corresponding with base plate upper bolt hole.
Further, described boring template plate and boring rod junction arrange a roller bearing.
Further, described unit head is also installed a Vibration alarm device, described Vibration alarm device involving vibrations sensor and controller; Described vibrating sensor is installed on boring rod, and vibrating sensor is connected and installed the controller on unit head, controller with comprise signal analyse block, identification module and alarm module.
Vibrating sensor transfers to vibration signal the signal analyse block of controller, and identification module is identified signal, judges whether current boring car belongs to stable state, and when boring car vibrates, alarm module sends alarm signal and reminds staff.
Beneficial effect of the present invention:
1) whole bore hole process completes on foundation special, avoids the vibration in bore hole process and affects machining accuracy deviation; One sunshade is set, and bore hole process is carried out under sunshade, keeps to a certain extent the constant of temperature, avoids the impact of the fluctuation of temperature on machining accuracy, adopts the product of explained hereafter of the present invention to gnaw rail phenomenon and is improved greatly;
2) special tooling of the present invention is simple in structure, boring rod is connected with unit head by universal joint, base plate is set on base, two ends, floor fittable slackening device, for supporting and fixing boring rod, the trueness error that while reducing due to work, vibrations cause, by the lifting of workbench and the center line of boring Template Location boring rod, then carry out Boring, machining accuracy is high;
3) vibrating sensor transfers to vibration signal the signal analyse block of controller, identification module is identified signal, judges whether current boring car belongs to stable state, when boring car vibrates, alarm module sends alarm signal and reminds staff, improves machining accuracy.
Accompanying drawing explanation
Fig. 1 is trolley frame Boring schematic diagram of the present invention, A-sunshade in figure, B-ground, C-boring technological equipment, D trolley frame;
Fig. 2 is the top view of trolley frame Boring schematic diagram of the present invention, in figure, and the jacking of E-jack and moulding bed;
Fig. 3 is trolley frame bore hole structure schematic diagram of the present invention;
Fig. 4 is that the P of trolley frame bore hole structure schematic diagram of the present invention is to view;
Fig. 5 is homonymy wheel detection figure of the present invention;
Fig. 6 is the structural representation of boring technological equipment.
Fig. 7 is boring rod and boring template plate connection diagram.
Fig. 8 is the connection diagram of boring rod and bracing or strutting arrangement B.
Fig. 9 is partial enlarged drawing.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is elaborated.
Consult Fig. 1～4, the present invention has disclosed a kind of processing method of improving container crane trolley frame bore hole precision, comprises heavy boring and right boring operation, and concrete steps are:
(1) trolley frame D is placed under sunshade A, on fixing ground B, utilizes special boring frock C to carry out Boring;
(2) before bore hole, trolley frame top is horizontally disposed with, integral body marks wheel plate face allowance line, wheel plate Boring center line and datum line;
(3) utilize four special boring frocks to carry out heavy boring processing for the first time to trolley frame, adjust the position of frock, the position of the lift adjustment boring rod by frock main spindle box, make machining spindle center line point-blank, utilize frock fixedly lathe and boring rod, boring rod carries out roughing to trolley frame wheel hole, four boring machines are processed wheel hole simultaneously and are adding laser repetition measurement adjustment at any time in man-hour, the depth of cut 4～the 5mm of boring rod during heavy boring, 65～80 ° of boring cutter angles, the rotating speed 50.669rpm of boring rod, adds monolateral reserved 0.5mm allowance in man-hour;
(4) after heavy boring operation, laser repetition measurement trolley frame gauge, cardinal distance, single wheel are opened shelves, perpendicularity and the homonymy wheel plane depth of parallelism, after guaranteeing that each size is qualified, carry out secondary fine processing, the depth of cut 0.1～the 0.2mm of boring rod during fine finishining, 65～80 ° of boring cutter angles, boring rod rotating speed 101.338rpm, after trolley frame bore hole to the shaving of wheel plate.
Consulting Fig. 6～9, is the structure of boring technological equipment, comprise boring rod 1, be arranged on boring cutter 2, workbench 3 and unit head 4 on boring rod,, base plate 5, universal joint 6, the bracing or strutting arrangement A7 that is arranged at base plate 5 two ends and bracing or strutting arrangement B8.
Boring rod 1 one end is connected with unit head 4 by universal joint 6, and boring rod 1 other end is installed boring cutter 2.
Bracing or strutting arrangement A7 is arranged near unit head 4 one sides, for supporting boring rod, comprises boring template plate; Boring template plate comprises cope match-plate pattern 71 and lower bolster 72; The upper end of the lower end of cope match-plate pattern 71 and lower bolster 72 is provided with the arcuate openings of mutual coupling;
Bracing or strutting arrangement B8 is set on boring rod 1, is fixed on the base plate 5 near a side of boring cutter 2, for supporting boring rod; Bracing or strutting arrangement B8 comprises bracing frame 81 and is fixed on the axle sleeve 82 on bracing frame, boring rod 1 is through axle sleeve 82, on boring rod, be set with an angular contact bearing 83, angular contact ball bearing supporting sleeve 82, arranges a step surface on boring rod 1, the inner face of angular contact ball bearing 83 props up step surface, the outer face of angular contact ball bearing 83 is spacing fixing by bearing gland 84, some spring eyes are set, mounting spring A85 in hole, the pad 86 being connected with spring A85 and adjustment screw 87 on bearing gland 84; Angular contact ball bearing 83 outer face sides arrange one section of thread segment, and thread segment connects locking nut 88, between locking nut 88 and angular contact bearing 83, is provided with spring B 89.
As specific embodiments of the invention, boring template plate contacts with boring cutter except roller bearing 73 is set, lower bolster 72 and bracing frame 81 arrange reinforcement 9 with base plate 5 junctions, reinforcement 9 and lower bolster 72 or bracing frame 81 and base plate 5 are welded to connect, one reinforcement 9 is set between lower bolster 72 or bracing frame 81 and base plate 5, effectively reduce the vibration of boring template plate in bore hole process, thereby improve Boring precision.
As specific embodiments of the invention, base plate 5 is bolted with base 12, and on base plate 5, surrounding all arranges row's bolt hole, on base 12, on the position corresponding with base plate upper bolt hole, is provided with another group bolt hole larger than base plate upper bolt hole aperture.
As specific embodiments of the invention, unit head 4 is also installed a Vibration alarm device, Vibration alarm device involving vibrations sensor and controller; Described vibrating sensor is installed on boring rod, and vibrating sensor is connected and installed the controller on unit head, controller with comprise signal analyse block, identification module and alarm module.Vibrating sensor transfers to vibration signal the signal analyse block of controller, and identification module is identified signal, judges whether current boring car belongs to stable state, and when boring car vibrates, alarm module sends alarm signal and reminds staff.
Before bore hole, adjust the position of lathe and workbench, then by the lifting shaft of unit head 4, adjust the position of boring rod 1, the center line of location boring rod 1, carries out Boring to trolley frame.
Claims (9)
1. a method of improving container crane trolley frame bore hole precision, is characterized in that: preparation method is as follows:
(1) dolly is placed under sunshade, on fixing ground, utilizes special boring frock to carry out Boring;
(2) before bore hole, on ground, arrange jack jacking and moulding bed, then trolley frame top is horizontally disposed with, integral body marks wheel plate face allowance line, wheel plate Boring center line and datum line;
(3) utilize four special boring frocks to carry out heavy boring processing for the first time to trolley frame, adjust the position of frock, the position of the lift adjustment boring rod by frock main spindle box, make machining spindle center line point-blank, utilize frock fixedly lathe and boring rod, boring rod carries out roughing to trolley frame wheel hole, four boring machines are processed wheel hole simultaneously and are adding laser repetition measurement adjustment at any time in man-hour, the depth of cut 4～the 5mm of boring rod during heavy boring, 65～80 ° of boring cutter angles, the rotating speed 50.669rpm of boring rod, adds monolateral reserved 0.5mm allowance in man-hour;
(4) after heavy boring operation, laser repetition measurement trolley frame gauge, cardinal distance, single wheel are opened shelves, perpendicularity and the homonymy wheel plane depth of parallelism, after guaranteeing that each size is qualified, carry out secondary fine processing, the depth of cut 0.1～the 0.2mm of boring rod during fine finishining, 65～80 ° of boring cutter angles, boring rod rotating speed 101.338rpm, after trolley frame bore hole to the shaving of wheel plate.
2. the method for improvement container crane trolley frame bore hole precision according to claim 1, is characterized in that: avoiding direct sunlight place to draw wheel plate face allowance line, wheel plate Boring center line and datum line, summer is in morning, line in evening.
3. an a kind of boring technological equipment claimed in claim 1, comprises boring rod, is arranged on boring cutter, workbench and unit head on boring rod, it is characterized in that: also comprise universal joint, base plate, be arranged at bracing or strutting arrangement A and the bracing or strutting arrangement B at base plate two ends;
Described boring rod one end is connected with unit head by universal joint, and the boring rod other end is installed boring cutter;
Described bracing or strutting arrangement A is arranged near the first side of power, for supporting boring rod, comprises boring template plate; Described boring template plate comprises cope match-plate pattern and lower bolster; The lower end of cope match-plate pattern and the upper end of lower bolster are provided with the arcuate openings of mutual coupling;
Described bracing or strutting arrangement B is set on boring rod, is fixed on the base plate near a side of boring cutter, for supporting boring rod; Described bracing or strutting arrangement B comprises bracing frame and is fixed on the axle sleeve on bracing frame, boring rod is through axle sleeve, on boring rod, be set with an angular contact bearing, angular contact ball bearing supporting sleeve, arranges a step surface on boring rod, the inner face of angular contact ball bearing props up step surface, the outer face of angular contact ball bearing is spacing fixing by bearing gland, some spring eyes are set, mounting spring in hole, the pad being connected with spring and adjustment screw on described bearing gland; Described angular contact ball bearing outer face side arranges one section of thread segment, and thread segment connects locking nut, between locking nut and angular contact bearing, is provided with spring.
4. a kind of boring technological equipment according to claim 3, is characterized in that: cope match-plate pattern and lower bolster two ends are provided with bolt hole, and cope match-plate pattern and lower bolster are locked by clamping screw.
5. a kind of crane small cart frame boring technological equipment according to claim 3, is characterized in that: described lower bolster and bracing or strutting arrangement B and template plate junction arrange reinforcement.
6. a kind of crane small cart frame boring technological equipment according to claim 5, is characterized in that: between described reinforcement, lower bolster or bracing or strutting arrangement B and base plate by being welded to connect.
7. a kind of crane small cart frame boring technological equipment according to claim 3, it is characterized in that: described base plate and base are bolted, on described base plate, surrounding all arranges row's bolt hole, is provided with another group bolt hole larger than base plate upper bolt hole aperture on base on the position corresponding with base plate upper bolt hole.
8. a kind of crane small cart frame boring technological equipment according to claim 3, is characterized in that: described boring template plate and boring rod junction arrange a roller bearing.
9. a kind of crane small cart frame boring technological equipment according to claim 3, is characterized in that: described unit head is also installed a Vibration alarm device, described Vibration alarm device involving vibrations sensor and controller; Described vibrating sensor is installed on boring rod, and vibrating sensor is connected and installed the controller on unit head, controller with comprise signal analyse block, identification module and control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410027963.0A CN103752883B (en) | 2014-01-22 | 2014-01-22 | A kind of method and boring technological equipment improving container crane trolley frame Boring preciseness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410027963.0A CN103752883B (en) | 2014-01-22 | 2014-01-22 | A kind of method and boring technological equipment improving container crane trolley frame Boring preciseness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103752883A true CN103752883A (en) | 2014-04-30 |
| CN103752883B CN103752883B (en) | 2016-01-20 |
Family
ID=50520286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410027963.0A Active CN103752883B (en) | 2014-01-22 | 2014-01-22 | A kind of method and boring technological equipment improving container crane trolley frame Boring preciseness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103752883B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128636A (en) * | 2014-07-30 | 2014-11-05 | 东方电气集团东方汽轮机有限公司 | Small-cavity inner hole belt supporting modularized boring tool and use method |
| CN105880663A (en) * | 2016-06-23 | 2016-08-24 | 上海振华重工集团（南通）有限公司 | Rail-craning trolley-frame boring technology |
| CN109500760A (en) * | 2018-10-23 | 2019-03-22 | 上海航天设备制造总厂有限公司 | Lifting mechanism assembly fixing tool and its accuracy guarantee method |
| CN113634999A (en) * | 2021-08-27 | 2021-11-12 | 上海宝冶冶金工程有限公司 | Machining method of integral frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2617487A1 (en) * | 1975-04-22 | 1976-11-04 | Zeevenhooven Bv | CONTAINER CLEANING |
| JP2000264580A (en) * | 1999-03-18 | 2000-09-26 | Ishikawajima Transport Machinery Co Ltd | Saddle-girder coupling device for overhead crane |
| CN201102066Y (en) * | 2007-08-27 | 2008-08-20 | 王吉男 | Ladle cleaning machine |
| CN201455339U (en) * | 2009-04-15 | 2010-05-12 | 无锡大力起重机械有限公司 | Hole boring machine |
| CN103464803A (en) * | 2013-08-24 | 2013-12-25 | 中国北车集团大同电力机车有限责任公司 | Workpiece end face threaded hole machining method and device |
| CN103481026A (en) * | 2013-08-30 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Girder machining method and girder machining device for crane and crane span collecting-mounting method |
-
2014
- 2014-01-22 CN CN201410027963.0A patent/CN103752883B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2617487A1 (en) * | 1975-04-22 | 1976-11-04 | Zeevenhooven Bv | CONTAINER CLEANING |
| JP2000264580A (en) * | 1999-03-18 | 2000-09-26 | Ishikawajima Transport Machinery Co Ltd | Saddle-girder coupling device for overhead crane |
| CN201102066Y (en) * | 2007-08-27 | 2008-08-20 | 王吉男 | Ladle cleaning machine |
| CN201455339U (en) * | 2009-04-15 | 2010-05-12 | 无锡大力起重机械有限公司 | Hole boring machine |
| CN103464803A (en) * | 2013-08-24 | 2013-12-25 | 中国北车集团大同电力机车有限责任公司 | Workpiece end face threaded hole machining method and device |
| CN103481026A (en) * | 2013-08-30 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Girder machining method and girder machining device for crane and crane span collecting-mounting method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128636A (en) * | 2014-07-30 | 2014-11-05 | 东方电气集团东方汽轮机有限公司 | Small-cavity inner hole belt supporting modularized boring tool and use method |
| CN105880663A (en) * | 2016-06-23 | 2016-08-24 | 上海振华重工集团（南通）有限公司 | Rail-craning trolley-frame boring technology |
| CN109500760A (en) * | 2018-10-23 | 2019-03-22 | 上海航天设备制造总厂有限公司 | Lifting mechanism assembly fixing tool and its accuracy guarantee method |
| CN113634999A (en) * | 2021-08-27 | 2021-11-12 | 上海宝冶冶金工程有限公司 | Machining method of integral frame |
| CN113634999B (en) * | 2021-08-27 | 2023-11-21 | 上海宝冶冶金工程有限公司 | Processing method of integral frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103752883B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752883B (en) | A kind of method and boring technological equipment improving container crane trolley frame Boring preciseness | |
| CN201033373Y (en) | Multiple-spindle drilling machine | |
| CN107724956A (en) | A kind of highway construction drilling machine | |
| CN105127795A (en) | Method for axially locating and fixing gyration center of inner and outer axle box of underfloor wheel lathe | |
| CN100586651C (en) | Integral processing method for truck frame of high-speed motor train unit | |
| CN208083864U (en) | A kind of lathe | |
| CN203959306U (en) | A kind of laser engraving automatic transport registration device | |
| CN201455704U (en) | Boring lathe and boring lathe clamp | |
| CN206200479U (en) | Heavy technique pipe fitting Zu Dui centers | |
| CN205066716U (en) | Fan -shaped section off -line centering laser detection device | |
| CN205027325U (en) | Wheel pair axle journal automatic measure machine | |
| CN203725825U (en) | Boring tool for crane trolley frame | |
| CN204711437U (en) | LH gourd double-beam elements analysis of trolley frame of bridge crane assembly welding positioner | |
| CN206578537U (en) | A kind of borehole chasing bar of steering wheel die casting from dynamic triaxial drilling machine | |
| CN105458760A (en) | Moving support of boring machine for frame-type strander | |
| CN211197465U (en) | Stacker and sky rail guider thereof | |
| CN204687004U (en) | Lathe is revolved in a kind of large-scale timber milling | |
| CN204454283U (en) | Gate type portal gantry installation supporting leg supporting | |
| CN208132506U (en) | A kind of universal swing arm special machine tool | |
| CN203779098U (en) | Vertical processing machine tool for processing cylindrical valve of water turbine | |
| CN103029009B (en) | Machine tool for machining inner bore and end surfaces of flange of shield tunneling machine | |
| CN109955101B (en) | Pump truck turret and machining method thereof | |
| CN207208025U (en) | Electric automobile changes electric installation | |
| CN206779522U (en) | A kind of robot device of Workpiece boring | |
| CN206567584U (en) | A kind of portable Milling Motion in Three-axes NC |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: The farm in Jiangsu province Nantong City Development Zone 226000 Riverview Road No. 1 Patentee after: Nantong Zhenhua Heavy Equipment Manufacturing Co., Ltd. Address before: 226000 Jiangsu Province, Nantong Development Zone, Zhenhua Road No. 1 Co-patentee before: Shanghai Zhenhua Heavy Industries (Group) Co., Ltd. Patentee before: Shanghai Zhenhua Heavy Industry Group (Nantong) Co., Ltd. |