CN104785815A - Motor car framework hole opening facing tool - Google Patents
Motor car framework hole opening facing tool Download PDFInfo
- Publication number
- CN104785815A CN104785815A CN201510220824.4A CN201510220824A CN104785815A CN 104785815 A CN104785815 A CN 104785815A CN 201510220824 A CN201510220824 A CN 201510220824A CN 104785815 A CN104785815 A CN 104785815A
- Authority
- CN
- China
- Prior art keywords
- ream
- flat machine
- flat
- assembly
- mount pad
- 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
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Classifications
-
- 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
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/003—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for drilling elongated pieces, e.g. beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q9/00—Arrangements for supporting or guiding portable metal-working machines or apparatus
- B23Q9/0064—Portable machines cooperating with guide means not supported by the workpiece during working
- B23Q9/0078—Portable machines cooperating with guide means not supported by the workpiece during working the guide means being fixed to a support
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a motor car framework hole opening facing tool. The motor car framework hole opening facing tool is composed of a base assembly, a clamping supporting assembly, a first facing machine assembly and a second facing machine assembly; the clamping supporting assembly is arranged on the left side of the base assembly in a square mode so as to lock and position a to-be-machined motor car framework, the second facing machine assembly is arranged on the rightmost side of the base assembly and slides in the width direction of the base assembly, the first facing machine assembly is higher than the second facing machine assembly, and the first facing machine assembly and the second facing machine assembly singly conduct facing machining on different hole openings of the motor car framework or simultaneously conduct facing machining on the hole openings in different positions of the motor car framework. In conclusion, the structures are transmitted and connected through reliable machines, the devices can be singly produced, the production mode is simple, and the production period is short; by means of the tool, the machining quality of the motor car framework can be guaranteed, the machining time can be shortened, and the machining cost of the motor car framework is reduced.
Description
Technical field
The invention belongs to the Machining Technology field of motor-car framework, particularly the flat frock of a kind of motor-car framework aperture ream.
Technical background
In recent years, the introducing of EMUs is developed and puts into effect, China railways is stepped in the process of a great-leap-forward development important step, indicate that the railway transportation cause of China has marched toward world's rank of advanced units, in order to improve the manufacture level of China's EMU, adapt to the demand of China railways operation, each railway unit starts again the process of production domesticization to the EMU that the Ministry of Railways introduces.Motor train unit bogie is the power driving part of the motor train unit train of high-speed cruising, also be the vitals of stable bearing body weight, the performance of bogie directly and the security of train, reliability is closely related with comfortableness, at present, existing framework aperture is all process on large-scale five-axis linkage planer type milling machine, occupy the time that other workpiece processed by planer-type milling machine, simultaneously, the operating cost of this main equipment costly, therefore, a kind of flat frock of motor-car framework aperture ream that can ensure that motor-car framework aperture crudy reduces processing cost is simultaneously provided to have very important significance.
Summary of the invention
The present invention increases the technical problem of production cost in order to the employing large-scale five-axis linkage planer type milling machine processing motor-car framework solving prior art existence, provides a kind of flat frock of motor-car framework aperture ream that motor-car framework aperture crudy reduces processing cost simultaneously that can ensure.
For achieving the above object, the technical solution adopted in the present invention is as follows:
The flat frock of a kind of motor-car framework aperture ream, it is by base assembly, clamping support assembly, first ream flat machine assembly and the flat machine assembly of the second ream, described clamping support assembly is arranged on the left of described base assembly motor-car framework locking positioning to be processed in square, described first ream flat machine assembly is arranged between the described clamping support assembly on right side, described second ream flat machine assembly is arranged on the described base assembly rightmost side and slides along described base assembly width, described first ream flat machine assembly is higher than the flat machine assembly of described second ream, described first ream flat machine assembly and the second ream flat machine assembly carry out ream to motor-car framework different orifice separately and put down processing or described first ream flat machine assembly and the flat machine of the second ream carry out the flat processing of ream to the aperture of motor-car framework diverse location simultaneously.
Further, described base assembly is specifically formed by crossbeam, longitudinal beam welding, and described crossbeam and longeron are square tube, and described crossbeam and described longeron enclose a cuboid jointly.
Further, described clamping support assembly specifically comprises clamping base for supporting, support plate, briquetting and stud, described clamping base for supporting is fixedly installed on described base assembly, described support plate is removably disposed on described clamping base for supporting, described stud is arranged on described support plate centre and extends upward, and described briquetting and described stud are connected.
Further, described first ream flat machine assembly is specifically by the flat machine mount pad of the first ream, first guide rail, first slide block, first handwheel, first leading screw, first fixed block, first side guide, the flat machine Connection Block of first ream, first retainer ring, first three-jaw handwheel, the flat machine holder of first ream, the flat machine of first ream and the first boring cutter composition, wherein, described first ream flat machine mount pad is removably disposed on described base assembly, described first guide rail is removably disposed on the flat machine mount pad of described first ream, described first slide block is removably disposed in described first ream flat machine mount pad bottom and coordinates with described first guide rail, the flat machine mount pad of described first ream has the first side and the first plane, first plane left end described in described first lateral vertical, described first side guide to be removably disposed on described first side and to arrange along described first side length direction, described first leading screw and described first handwheel are arranged on described first side by described first fixed block, described first leading screw is arranged on the rear portion of described first side guide, first leading screw described in described first-hand wheel drive makes described first ream flat machine holder move up and down on described first side guide, described first three-jaw handwheel is arranged on above the flat machine holder of the first ream, described first ream flat machine Connection Block is arranged on described first ream flat machine holder rear portion, the flat machine of described first ream is horizontally fixed on the flat machine Connection Block of described first ream by described first retainer ring, described first boring cutter is arranged on described first ream flat machine end and direction towards described first side is arranged, described first three-jaw handwheel and described first retainer ring are in transmission connection and drive elastic the moving of the flat machine of described first ream to realize the flat manufacturing procedure of the ream of framework.
Further, described second ream flat machine assembly is specifically by the flat machine mount pad of the second ream, second guide rail, second slide block, second handwheel, second leading screw, second fixed block, second side guide, the flat machine Connection Block of second ream, second retainer ring, second three-jaw handwheel, the flat machine holder of second ream, the flat machine of second ream and the second boring cutter composition, wherein, described second ream flat machine mount pad is removably disposed on described base assembly, described second guide rail is removably disposed on the flat machine mount pad of described second ream, described second slide block is removably disposed in described second ream flat machine mount pad bottom and coordinates with described second guide rail, the flat machine mount pad of described second ream has the second side and the second plane, second plane left end described in described second lateral vertical, described second side guide to be removably disposed on described second side and to arrange along described second side length direction, described second leading screw and described second handwheel are arranged on described second side by described second fixed block, described second leading screw is arranged on the rear portion of described second side guide, second leading screw described in described second-hand's wheel drive makes described second ream flat machine holder move up and down on described second side guide, described second three-jaw handwheel is arranged on above the flat machine holder of the second ream, described second ream flat machine Connection Block is arranged on described second ream flat machine holder rear portion, the flat machine of described second ream is horizontally fixed on the flat machine Connection Block of described second ream by described second retainer ring, described second boring cutter is arranged on described second ream flat machine end and direction towards described second side is arranged, described second three-jaw handwheel and described second retainer ring are in transmission connection and drive elastic the moving of the flat machine of described second ream to realize the flat manufacturing procedure of the ream of framework.
Further, described first slide block is provided with the first locking device, the flat machine mount pad of described first ream is positioned locking.
Further, described second slide block is provided with the second locking device, the flat machine mount pad of described second ream is positioned locking.
The present invention has following beneficial effect:
1, the positioning and locking of motor-car framework adopts uniform clamping support assembly, is locked by motor-car framework by simple mechanical whorl locking mode, ensures the stability of framework in the flat process of ream, and then guarantees the accuracy of the flat operation of ream;
2, the flat manufacturing procedure of ream adopts two flat machines of ream, these two flat machines of ream can be processed the hole of framework diverse location separately and also can process the hole of framework diverse location simultaneously, carry out Primary Location by the Working position of locking device to the flat machine of ream, the more flat machine of first, second ream moves up and down, by first, second, three-jaw handwheel and first, second retainer ring elastic the moving of the flat machine of driving second ream that be in transmission connection realize the flat manufacturing procedure of the ream of framework to regulate first, second leading screw to realize by first, second handwheel of adjustment;
In sum, said structure is adopted all to adopt reliable machine driving and be connected, equipment can independently be produced, and the mode of production is simple, with short production cycle, this frock can guarantee the crudy to motor-car framework, do not take the machining period of large-sized gantry milling machine, the flat machine of first, second ream can carry out the flat operation of aperture ream to framework simultaneously, reduces process time, reduce the cost of motor-car framework processing, overcome the feature of the processing heaviness of existing large-scale five-axis linkage planer type milling machine.
Accompanying drawing explanation
Fig. 1 is the flat frock stereogram of motor-car framework aperture ream of the present invention;
Fig. 2 is Fig. 1 front view;
Fig. 3 is Fig. 1 left view;
Fig. 4 is Fig. 1 top view;
Fig. 5 is base assembly in Fig. 1, clamping base for supporting, the first ream flat machine mount pad and the second ream flat machine mount pad schematic diagram;
Fig. 6 is clamping support assembly schematic diagram in Fig. 1;
Fig. 7 is the flat machine of the first ream and the flat machine structural representation of the second ream in Fig. 1;
In figure: 1-base assembly; The flat machine mount pad of 2-first ream; 3-first guide rail; 4 – first locking devices; 6-first slide block; 7-clamping support assembly; 8-second guide rail; 9-second slide block; 10-second locking device; 12-crossbeam; 13-longeron; 14-clamping base for supporting; The flat machine mount pad of 15-second ream; 16-second guide rail; 17-support plate; 18-briquetting; 19-stud; 20-first side; 21-first handwheel; 22-first leading screw; 23-first fixed block; 24-first side guide; The flat machine Connection Block of 25-first ream; 26-first retainer ring; 27-first three-jaw handwheel; The flat machine holder of 28-first ream; 29-first plane; The flat machine of 31-first ream; 32-first boring cutter.
Detailed description of the invention
The flat frock of a kind of motor-car framework aperture ream of the present invention, due to the structure of the first ream flat machine mount pad and the flat machine of the above ream of the first ream flat machine mount pad, operation principle is identical, so accompanying drawing has only marked parts above the flat machine mount pad of the first ream in illustrating, during use, motor-car framework entirety is placed on clamping support assembly, by briquetting 18 and stud 19 to its positioning and locking, by the first guide rail, first slide block, second guide rail and the second slide block adjust the position of the first ream flat machine mount pad and the flat machine mount pad of the second ream respectively, and then adjust the Working position of the flat machine of the first ream and the flat machine of the second ream, by the first locking device and the second locking device, the first ream flat machine mount pad and the flat machine mount pad of the second ream are locked on the first guide rail and the second guide rail, guarantee that sliding does not appear in process, thus ensure the accuracy of framework locating and machining, guarantee the quality of processing, first, the flat machine of second ream has all four frees degree, namely upper and lower movement, the stretching motion of front and back, by adjusting first, second-hand takes turns adjustment first, second leading screw realizes first, the flat machine of second ream moves up and down, by first, second, three-jaw handwheel and first, second retainer ring is in transmission connection the elastic motion realization of the flat machine of driving second ream to the flat manufacturing procedure of the ream of framework, particularly, and first, moving up and down of the flat machine holder of second ream is type of belt drive by feed screw nut, and nut is fixed on first, the side of the flat machine holder of the second ream, by first, second leading screw and nut realize moving up and down of the flat machine of ream, realize adjustment by wheel and rack to add and move forward and backward man-hour, here first, the flat machine of second ream moves up and down and can also to adopt in prior art other machine driving connected mode, as long as can realize first, the flat machine of second ream moves up and down.
Then by the first boring cutter and the second boring cutter hole to be processed from framework through installing 4 respectively on the flat machine of the first ream and the flat machine of the second ream, switch on power, slowly adjust the first three-jaw handwheel and the second three-jaw handwheel, particularly, first, a gear is welded below second three-jaw handwheel, first, second retainer ring welds a tooth bar, by regulating the first three-jaw handwheel, adjusting gear and rack mode, realize first, second retainer ring drives first, the elastic motion of the flat machine of second ream, thus realize the flat manufacturing procedure of the ream of framework, here the flat machine of the first ream and the flat machine of the second ream can carry out ream to motor-car framework diverse location aperture separately puts down processing and also can carry out the flat processing of ream to motor-car framework diverse location aperture simultaneously, here first, the elastic motion of the flat machine of second ream can also to adopt in prior art other machine driving connected mode, as long as can first be realized, the flat machine of second ream is elastic to move.
Clamping base for supporting of the present invention, the first ream flat machine mount pad, the flat machine mount pad of the second ream are all adopt Plate Welding to form, and fully ensure its anti-pressure ability, the equipment of guarantee adds the stability in man-hour.
Fixed electrical machinery in first retainer ring of the present invention, the second retainer ring and the flat machine of first, second ream is integrative-structure, fully makes first, second boring bar maintenance level in the plane, guarantees the crudy to motor-car component.
Protection scope of the present invention is not limited thereto, and is anyly familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (7)
1. the flat frock of motor-car framework aperture ream, it is characterized in that: it is by base assembly, clamping support assembly, first ream flat machine assembly and the flat machine assembly of the second ream, described clamping support assembly is arranged on the left of described base assembly motor-car framework locking positioning to be processed in square, described first ream flat machine assembly is arranged between the described clamping support assembly on right side, described second ream flat machine assembly is arranged on the described base assembly rightmost side and slides along described base assembly width, described first ream flat machine assembly is higher than the flat machine assembly of described second ream, described first ream flat machine assembly and the second ream flat machine assembly carry out ream to motor-car framework different orifice separately and put down processing or described first ream flat machine assembly and the flat machine of the second ream carry out the flat processing of ream to the aperture of motor-car framework diverse location simultaneously.
2. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 1, it is characterized in that: described base assembly is specifically formed by crossbeam, longitudinal beam welding, and described crossbeam and longeron are square tube, described crossbeam and described longeron enclose a cuboid jointly.
3. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 1, it is characterized in that: described clamping support assembly specifically comprises clamping base for supporting, support plate, briquetting and stud, described clamping base for supporting is fixedly installed on described base assembly, described support plate is removably disposed on described clamping base for supporting, described stud is arranged on described support plate centre and extends upward, and described briquetting and described stud are connected.
4. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 1, it is characterized in that: described first ream flat machine assembly is specifically by the flat machine mount pad of the first ream, first guide rail, first slide block, first handwheel, first leading screw, first fixed block, first side guide, the flat machine Connection Block of first ream, first retainer ring, first three-jaw handwheel, the flat machine holder of first ream, the flat machine of first ream and the first boring cutter composition, wherein, described first ream flat machine mount pad is removably disposed on described base assembly, described first guide rail is removably disposed on the flat machine mount pad of described first ream, described first slide block is removably disposed in described first ream flat machine mount pad bottom and coordinates with described first guide rail, the flat machine mount pad of described first ream has the first side and the first plane, first plane left end described in described first lateral vertical, described first side guide to be removably disposed on described first side and to arrange along described first side length direction, described first leading screw and described first handwheel are arranged on described first side by described first fixed block, described first leading screw is arranged on the rear portion of described first side guide, first leading screw described in described first-hand wheel drive makes described first ream flat machine holder move up and down on described first side guide, described first three-jaw handwheel is arranged on above the flat machine holder of the first ream, described first ream flat machine Connection Block is arranged on described first ream flat machine holder rear portion, the flat machine of described first ream is horizontally fixed on the flat machine Connection Block of described first ream by described first retainer ring, described first boring cutter is arranged on described first ream flat machine end and direction towards described first side is arranged, described first three-jaw handwheel and described first retainer ring are in transmission connection and drive elastic the moving of the flat machine of described first ream to realize the flat manufacturing procedure of the ream of framework.
5. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 1, it is characterized in that: described second ream flat machine assembly is specifically by the flat machine mount pad of the second ream, second guide rail, second slide block, second handwheel, second leading screw, second fixed block, second side guide, the flat machine Connection Block of second ream, second retainer ring, second three-jaw handwheel, the flat machine holder of second ream, the flat machine of second ream and the second boring cutter composition, wherein, described second ream flat machine mount pad is removably disposed on described base assembly, described second guide rail is removably disposed on the flat machine mount pad of described second ream, described second slide block is removably disposed in described second ream flat machine mount pad bottom and coordinates with described second guide rail, the flat machine mount pad of described second ream has the second side and the second plane, second plane left end described in described second lateral vertical, described second side guide to be removably disposed on described second side and to arrange along described second side length direction, described second leading screw and described second handwheel are arranged on described second side by described second fixed block, described second leading screw is arranged on the rear portion of described second side guide, second leading screw described in described second-hand's wheel drive makes described second ream flat machine holder move up and down on described second side guide, described second three-jaw handwheel is arranged on above the flat machine holder of the second ream, described second ream flat machine Connection Block is arranged on described second ream flat machine holder rear portion, the flat machine of described second ream is horizontally fixed on the flat machine Connection Block of described second ream by described second retainer ring, described second boring cutter is arranged on described second ream flat machine end and direction towards described second side is arranged, described second three-jaw handwheel and described second retainer ring are in transmission connection and drive elastic the moving of the flat machine of described second ream to realize the flat manufacturing procedure of the ream of framework.
6. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 4, is characterized in that: described first slide block is provided with the first locking device, and the flat machine mount pad of described first ream is positioned locking.
7. the flat frock of a kind of motor-car framework aperture ream as claimed in claim 5, is characterized in that: described second slide block is provided with the second locking device, and the flat machine mount pad of described second ream is positioned locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220824.4A CN104785815B (en) | 2015-05-04 | 2015-05-04 | Motor car framework hole opening facing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220824.4A CN104785815B (en) | 2015-05-04 | 2015-05-04 | Motor car framework hole opening facing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785815A true CN104785815A (en) | 2015-07-22 |
| CN104785815B CN104785815B (en) | 2017-05-03 |
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ID=53551249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220824.4A Active CN104785815B (en) | 2015-05-04 | 2015-05-04 | Motor car framework hole opening facing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785815B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229991A (en) * | 2022-07-20 | 2022-10-25 | 山东锦地建筑工程有限公司 | Building construction equipment |
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| JPH10128608A (en) * | 1996-10-31 | 1998-05-19 | Honda Motor Co Ltd | Work device for valve hole |
| CN201313191Y (en) * | 2008-12-12 | 2009-09-23 | 鞍钢集团铁路运输设备制造公司 | Dedicated drilling device for side frame of steering frame |
| CN102335770A (en) * | 2011-09-30 | 2012-02-01 | 南车眉山车辆有限公司 | Drilling machine tool dedicated for truck side frame |
| KR20120126878A (en) * | 2011-05-13 | 2012-11-21 | 한국기계연구원 | Machining device for large material and method for controlling the same |
| CN203019089U (en) * | 2012-12-06 | 2013-06-26 | 中国北车集团大同电力机车有限责任公司 | Moving lathe end beam boring mill clamp |
| CN203792052U (en) * | 2014-04-22 | 2014-08-27 | 全红英 | Clamp for milling arc surfaces of shift fork |
| CN104476242A (en) * | 2014-10-29 | 2015-04-01 | 长春轨道客车股份有限公司 | Auxiliary tool used for positioning electric multiple unit framework on computer numerical control planer type milling machine |
| CN204545494U (en) * | 2015-05-04 | 2015-08-12 | 青岛金江源工业装备有限公司 | The flat frock of a kind of motor-car framework aperture ream |
-
2015
- 2015-05-04 CN CN201510220824.4A patent/CN104785815B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10128608A (en) * | 1996-10-31 | 1998-05-19 | Honda Motor Co Ltd | Work device for valve hole |
| CN201313191Y (en) * | 2008-12-12 | 2009-09-23 | 鞍钢集团铁路运输设备制造公司 | Dedicated drilling device for side frame of steering frame |
| KR20120126878A (en) * | 2011-05-13 | 2012-11-21 | 한국기계연구원 | Machining device for large material and method for controlling the same |
| CN102335770A (en) * | 2011-09-30 | 2012-02-01 | 南车眉山车辆有限公司 | Drilling machine tool dedicated for truck side frame |
| CN203019089U (en) * | 2012-12-06 | 2013-06-26 | 中国北车集团大同电力机车有限责任公司 | Moving lathe end beam boring mill clamp |
| CN203792052U (en) * | 2014-04-22 | 2014-08-27 | 全红英 | Clamp for milling arc surfaces of shift fork |
| CN104476242A (en) * | 2014-10-29 | 2015-04-01 | 长春轨道客车股份有限公司 | Auxiliary tool used for positioning electric multiple unit framework on computer numerical control planer type milling machine |
| CN204545494U (en) * | 2015-05-04 | 2015-08-12 | 青岛金江源工业装备有限公司 | The flat frock of a kind of motor-car framework aperture ream |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229991A (en) * | 2022-07-20 | 2022-10-25 | 山东锦地建筑工程有限公司 | Building construction equipment |
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| Publication number | Publication date |
|---|---|
| CN104785815B (en) | 2017-05-03 |
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