CN110449623A - A kind of Multi-hole simultaneous processing device and processing method suitable for multiclass shaped steel rail - Google Patents
A kind of Multi-hole simultaneous processing device and processing method suitable for multiclass shaped steel rail Download PDFInfo
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- CN110449623A CN110449623A CN201811650615.3A CN201811650615A CN110449623A CN 110449623 A CN110449623 A CN 110449623A CN 201811650615 A CN201811650615 A CN 201811650615A CN 110449623 A CN110449623 A CN 110449623A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 238000012545 processing Methods 0.000 title claims abstract description 22
- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 238000012546 transfer Methods 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 claims description 2
- 241000220317 Rosa Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- 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
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of multiaxises to move at the same time respectively, the hole Ni Zhifu drill hole for being directed to different rail type roads head bore is realized by the lift adjustment of gear-box, it is automatically performed hole two sides mechanization chamfer machining and a kind of Multi-hole simultaneous processing device and processing method suitable for multiclass shaped steel rail simultaneously, including PLC controller, it views from above and is oppositely arranged on the rack and afterwards that Liftable type gear-box and preceding Liftable type gear-box space are that rail is processed space before and after rear Liftable type gear-box and preceding Liftable type gear-box, Liftable type gear-box is equipped with downwards drilling tool on multiple servo motors by the control of each main shaft transfer afterwards, preceding Liftable type gear-box is equipped with chamfering tool under multiple servo motors by the control of each main shaft transfer upwards, the rail that rail delivery track and rear Liftable type gear-box and preceding Liftable type gear-box are constituted is processed space Import it is opposite, rail be processed space side be equipped with steel rail ends position-limit mechanism limit.
Description
Technical field
The present invention relates to a kind of multiaxises to move at the same time respectively, is realized by the lift adjustment of gear-box for different rail type roads
The hole Ni Zhifu drill hole of head bore, at the same be automatically performed hole two sides mechanization chamfering work and it is a kind of suitable for multiclass shaped steel rail it is porous simultaneously
Processing unit (plant) and processing method belong to dedicated rail porous processing device manufacturing field.
Background technique
1, CN106938347A, title " multi-hole drill ", it is desirable to provide a kind of energy is axial in round piece different location simultaneously
Porous equipment is bored, structure is: motor is fixed on bracket, the key on main shaft that connect with the motor and slides over master
The keyway axial sliding fit on driving gear group inner hole on transmission shaft.Gear wheel positioning column and driven gear group are fixed on together
Cooperate on one axis and with the center positioning hole activity on bracket, there are multiple circumferential gears to be engaged with around gear wheel, circumferential tooth
There is drill point to clip impact or edge alloy bit in wheel, the cross section of these circumferential gears is transversal in polygon inner hole and drill point periphery
Face shape is identical, and drill point passes through circumferential gear polygon inner hole, and the upper end is larger, is blocked in outside hole, spring pocket in the middle compared with
Thin place, the spring are withstood in circumferential gear polygon inner hole upper port.Motor drives driving gear group, driven gear group, canine tooth
Wheel, circumferential gear rotate, and the drill bit on circumferential gear stirs driving gear group simultaneously in workpiece difference circumferential position axial drilling
On shift bar, the mesh combination of convertible driving gear group and driven gear group.
2, CN105710408A, title " a kind of multi-pore drilling machine ", including workbench, bracket, pedestal, controller and power
Device, the pedestal are equipped with bracket and lifting device, and the workbench is fixed on lifting device, on the lifting device
Equipped with quick coupling, the quick coupling is connect with power device by high-pressure rubber pipe, is fixed with above the workbench more
Drill bit frame, more drill bit frames are fixed on bracket, and the bracket is equipped with motor, and more drill bit frames are filled equipped with drill bit
It sets, the drill bit device is adapted by electric lead with motor, and the controller is set in more drill bit frames, the controller and liter
Falling unit and drill bit device are adapted.
3, CN103962601B, title " a kind of appliance with hole position adjusting multi-hole drill ", including substrate, equipped with the master being pivotally connected with substrate
The driving gear of moving axis, connect and the motor of output shaft and active axis connection with substrate, and three to eight are equipped with and to be pivotally connected with substrate
Driven shaft and the interior driven gear engaged with driving gear；It is characterized in that: the appliance with hole position adjusting multi-hole drill further includes on two pieces
The side plate that end is connect with base plate screw, the adjustable plate connecting with side plate lower end screw, number are identical as the number of interior driven gear
Several boring assemblies；Boring assemblies include upper connecting shaft be sequentially connected with a driven shaft Hooks coupling universal coupling, with it is universal
The lower connecting shaft of shaft coupling is sequentially connected and the drill bushing with adjustable plate pivot joint, the drill bit being detachably connected with drill bushing；Described two
There is horizontal mounting plate between block side plate；Upper connecting shaft and horizontal mounting plate are pivotally connected；Between upper connecting shaft and driven shaft be equipped with electromagnetism from
Clutch.
Above-mentioned background technique is not directed to multiaxis described herein and moves at the same time respectively, by the rising-falling tone of gear-box
It is whole to realize the hole Ni Zhifu drill hole for being directed to different rail type roads head bore, it is also not directed to be automatically performed hole two sides mechanization chamfer angle technique simultaneously and want
The content asked.
4, during the track laying of jointed track, for the docking condition for meeting steel rail end, it is by the connecting of short rail bar
Long rail string, just must in-orbit end drill track bolt hole (also referred to as road head bore, quantity be 3, aperture, Kong Gao, pitch of holes are because of rail
Type variation and it is variant), with erection joint clamping plate carry out track connection.The rail type that the country commonly uses is 50kg/m rail
With two kinds of 60kg/m rail, the road head bore aperture of two kinds of rail types, Kong Gao, pitch of holes are as shown in Figures 2 and 3.Conventional fabrication processes mistake
Cheng Zhong, it is general in such a way that common apparatus is hole-specifically made for track bolt hole, or use Special drilling equipment, three axis
Simultaneously operation completes drilling for three road head bore.But that there are efficiency is lower for the mode in application process, hole-specifically drilled, and labour is strong
Spend big problem.It is drilled simultaneously using three hole of Special drilling equipment, 50kg/m rail during factory operation can not be adapted to
The operating condition frequently replaced with 60kg/m rail rail type, there are certain limitations, it is therefore necessary to develop it is porous and meanwhile drill from
Dynamicization equipment is to improve production efficiency.
Summary of the invention
Purpose of design: it designs a kind of multiaxis and moves at the same time, realized by the lift adjustment of gear-box for different rails respectively
The hole Ni Zhifu drill hole of type road head bore, while being automatically performed hole two sides mechanization chamfering work and a kind of suitable for the porous of multiclass shaped steel rail
Simultaneous machining device and processing method.
Design scheme: in order to realize above-mentioned purpose of design.The present invention connects installation requirement according to the track of jointed track, often
The both ends of one section of rail are both needed to drill the mounting hole (referred to as road head bore) of modular connection clamping plate, to erection joint clamping plate, by
It is different in the road head bore pitch of holes size of different types of railroad track, therefore not only to non-automatic positioning process to rail member
Borehole accuracy bring difficulty of can't get rid of, and low efficiency.
Thus the present invention develop can automatically adapt to multiclass shaped steel rail difference trace header hole drill size require and can multiaxis
The processing unit (plant) of simultaneously chamfering is drilled simultaneously.The device in the operating condition, can carry out multiaxis simultaneously operation by technique requirement, meet
It is required in the web of the rail road head bore simultaneous processing and chamfering at two sides technique of multiclass shaped steel rail (different trace header holes drills size requirement),
Under conditions of being required for different rail types, different trace header hole drill pore size, can by adjusting tooth roller box height, respectively control it is multiple
Part main shaft simultaneously operation in main shaft realizes high-efficient automatic drilling and chamfering at two sides operation.
It 1), can raising according to the technological requirements when different rail type (there are different road head bore design sizes) drill tasks switching
Or decline four shaft gear casees of workbench two sides to adapt to the different height of two kinds of road head bore, it is wanted otherwise for different pitchs of holes
It asks, equipment control respective bore main shaft is moved at the same time respectively to realize drilling and chamfer angle technique requirement.
2) the included unilateral chamfering function of drilling tool completes drilling tool feeding while completing steel rail web drilling
The web of the rail Hole chamfering of the web of the rail Hole chamfering of side, the other side is completed by Special chamfering cutter.
Technical solution 1: a kind of Multi-hole simultaneous processing device suitable for multiclass shaped steel rail, including PLC controller view from above
Be oppositely arranged before and after Liftable type gear-box and preceding Liftable type gear-box afterwards on the rack and afterwards Liftable type gear-box and before
Liftable type gear-box space is that rail is processed space, and rear Liftable type gear-box is equipped with downwards multiple by each main shaft point
Drilling tool is attached to chamfering blade on the servo motor of dynamic control, and preceding Liftable type gear-box is equipped with multiple by each main shaft point upwards
Subsidiary chamfering blade cutter, rail delivery track and rear Liftable type gear-box and preceding Liftable type under the servo motor of dynamic control
The import that the rail that gear-box is constituted is processed space is opposite, and rail is processed space side and is equipped with steel rail ends position-limit mechanism
Limit.
Technical solution 2: a kind of processing method of the Multi-hole simultaneous processing device suitable for multiclass shaped steel rail executes 60kg/m
When steel track head bore drills task, 2. 3. 4. 2. 3. 4. number main shaft is same for number spindle servo electric machine transfer control for PLC controller instruction
When act, PLC controller instruction shielding 1. number main shaft function, steel rail ends limit is positioned on the left of 2. number main shaft at 76mm, steel
After rail completes located lateral, the magnechuck of PLC controller instruction works platform is fixed rail, PLC controller refers to magnetic
2. 3. 4. 2. 3. 4. number main shaft feeds completion trace header hole machined simultaneously for number spindle servo electric machine transfer control for order；Later, PLC is controlled
Device instructs opposite side, and 2. 3. 4. 2. 3. 4. chamfering is completed in the chamfering tool feeding of number main shaft for number spindle servo electric machine transfer control；
When being switched to execution 50kg/m steel track head bore task by 60kg/m Rail Production task, PLC controller instruction works platform two
1. 2. 3. four shaft gear casees of side simultaneously decline 10.5mm, and 1. 2. 3. number spindle servo electric machine transfer control for PLC controller instruction
4. number number main shaft simultaneously operation, steel rail ends limit are positioned at the place 66mm on the left of 1. number main shaft, and PLC controller instruction system shields
Main shaft function, after rail completes located lateral, the magnechuck of PLC controller instruction works platform is fixed rail to magnetic,
1. 2. 3. 1. 2. 3. number main shaft feeds completion trace header hole machined simultaneously for number spindle servo electric machine transfer control for PLC controller instruction,
Later, PLC controller instructs the opposite side 1. 2. 3. number spindle servo electric machine transfer control 1. 2. 3. chamfering tool of number main shaft
Chamfering is completed in feeding.
Compared with the background technology, the present invention, which in the operating condition, can carry out multiaxis simultaneously operation by technique requirement,
Not only it is satisfied with the web of the rail road head bore simultaneous processing and chamfering at two sides of multiclass shaped steel rail, but also for different rail types, different trace headers
Hole drill pore size require under conditions of, PLC controller according to operator's input technology parameter instruction gear-box automatic controlled height,
The part main shaft in multiple main shafts is controlled respectively, and simultaneously operation realizes efficient drilling operation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Multi-hole simultaneous processing device suitable for multiclass shaped steel rail.
Fig. 2 is 50kg/m steel track head bore spacing schematic diagram.
Fig. 3 is 60kg/m steel track head bore spacing schematic diagram.
Specific embodiment
Embodiment 1: referring to attached drawing 1-3.A kind of Multi-hole simultaneous processing device suitable for multiclass shaped steel rail, including PLC control
Device processed views from above and is oppositely arranged on the rack and afterwards liftable before and after rear Liftable type gear-box 1 and preceding Liftable type gear-box 7
Formula gear-box 1 and preceding 7 space of Liftable type gear-box are that rail is processed space, rear Liftable type gear-box 1 and before can
Lift gear-box 7 can not only be moved forward and backward under PLC controller instruction.Liftable type gear-box 1 is downwards equipped with multiple afterwards
By drilling tool 2 on the servo motor of each main shaft transfer control, preceding Liftable type gear-box 1 is upwards equipped with multiple by each main shaft point
Drilling tool 6, rail delivery track 5 and rear Liftable type gear-box 1 and preceding Liftable type gear under the servo motor of dynamic control
The import that rail that case 7 is constituted is processed space is opposite, rail be processed space side be equipped with steel rail ends position-limit mechanism 3 or
4 limits, i.e. steel rail ends position-limit mechanism refer to that the limit of A shaped steel rail end 3 or Type B steel rail ends 4 limit.
Drilling tool 2 refers to after the servo motor fills respectively on more spindle servo electric machine transfer controls and more main shafts
There is drilling tool.Drilling tool is made of drill bit and chamfering blade afterwards, and chamfering blade is located in the drill body of drill bit and chamfering blade
Diameter is greater than bit diameter.That is, the front of the chmfer bit is drill bit, drill bit drill body has the convex blade of a circle (knife platform),
The knife platform is chamfering cutter head.
Chamfering tool 6 refers to before the servo motor fills respectively on more spindle servo electric machine transfer controls and more main shafts
There is drilling tool.Drilling tool 6 is with chamfering blade by constituting before the servo motor, chamfering blade be located in the drill body of drill bit and
Chamfering blade diameter is greater than bit diameter.That is, chamfering tool 6 only realizes unilateral chamfering function.
Embodiment 2: on the basis of embodiment 1, a kind of Multi-hole simultaneous processing device suitable for multiclass shaped steel rail adds
Work method, when execution 60kg/m steel track head bore drills task, PLC controller instructs 2. 3. 4. number spindle servo electric machine transfer control
2. 3. 4. number main shaft simultaneously operation, PLC controller instruction shield 1. number main shaft function to system, and steel rail ends limit is positioned at 2. number master
On the left of axis at 76mm, after rail completes located lateral, the magnechuck of PLC controller instruction works platform carries out rail to magnetic
Fixed, 2. 3. 4. 2. 3. 4. number main shaft feeds completion road head bore simultaneously for number spindle servo electric machine transfer control for PLC controller instruction
Processing；Later, PLC controller instructs the opposite side 2. 3. 4. number spindle servo electric machine transfer control 2. 3. 4. chamfering of number main shaft
Tool feeding completes chamfering；When being switched to execution 50kg/m steel track head bore task by 60kg/m Rail Production task, PLC control
Four shaft gear casees of device instruction works platform two sides processed simultaneously decline 10.5mm, PLC controller instruction 1. 2. 3. number main axle servo electricity
1. 2. 3. number main shaft simultaneously operation, steel rail ends limit are positioned on the left of 1. number main shaft at 66mm the control of machine transfer, PLC controller
Instruction system shields 4. number main shaft function, and after rail completes located lateral, the magnechuck of PLC controller instruction works platform is given
Rail is fixed in magnetic, PLC controller instruction 1. 2. 3. the control of number spindle servo electric machine transfer 1. 2. 3. number main shaft simultaneously into
1. 2. 3. it gives and completes trace header hole machined, later, PLC controller instructs opposite side, and 1. 2. 3. number spindle servo electric machine transfer control
Chamfering is completed in the chamfering tool feeding of number main shaft.
Function declaration: (1) can be completed at the same time the porous of steel track head bore while drill the automatic chamfering with hole two sides；(2)
The height and left and right displacement for passing through lifting tooth roller box can be instructed according to system control program, controlled respectively according to the technological requirements multiple
Part main shaft simultaneously operation in main shaft, which is automatically performed, carries out the technique requirement that web of the rail hole drills for different rail types, to realize
Different rail rail type steel track head bore drill the automation switching of technological action.
It is to be understood that: although above-described embodiment retouches mentality of designing of the invention detailed text of contrasting
It states, but these verbal descriptions, only the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention falls within the protection scope of the present invention.
Claims (7)
1. a kind of Multi-hole simultaneous processing device suitable for multiclass shaped steel rail, including PLC controller, it is characterized in that: after viewing from above
On the rack and afterwards Liftable type gear-box is oppositely arranged before and after Liftable type gear-box (1) and preceding Liftable type gear-box (7)
(1) and preceding Liftable type gear-box (7) space is that rail is processed space, and rear Liftable type gear-box (1) is equipped with downwards
It is multiple by each main shaft transfer control servo motors on drilling tool (2), preceding Liftable type gear-box (1) upwards equipped with it is multiple by
Under the servo motor of each main shaft transfer control chamfering tool (6), rail delivery track (5) and rear Liftable type gear-box (1) and
The import that the rail that preceding Liftable type gear-box (7) is constituted is processed space is opposite, and rail is processed space side and is equipped with steel
Rail end position-limit mechanism (3 or 4) limit.
2. the Multi-hole simultaneous processing device according to claim 1 suitable for multiclass shaped steel rail, it is characterized in that: the servo
Drilling tool (2), which refers to, after motor is respectively provided with drilling tool on more spindle servo electric machine transfer controls and more main shafts.
3. the Multi-hole simultaneous processing device according to claim 2 suitable for multiclass shaped steel rail, it is characterized in that: rear bore cutter
Tool is made of drill bit and chamfering blade, and chamfering blade is located in the drill body of drill bit and chamfering blade diameter is greater than bit diameter.
4. the Multi-hole simultaneous processing device according to claim 1 suitable for multiclass shaped steel rail, it is characterized in that: the servo
Chamfering tool (6) completes the chamfer machining of chamfering tool side before motor.
5. the Multi-hole simultaneous processing device according to claim 4 suitable for multiclass shaped steel rail, it is characterized in that: the servo
Chamfering tool (6) is made of drill bit and chamfering blade before motor, and chamfering tool is used to complete the web of the rail Hole chamfering of front side.
6. the Multi-hole simultaneous processing device according to claim 1 suitable for multiclass shaped steel rail, it is characterized in that: steel rail ends
Position-limit mechanism refers to A shaped steel rail end (3) limit or Type B steel rail ends (4) limit.
7. a kind of processing method of the Multi-hole simultaneous processing device suitable for multiclass shaped steel rail, it is characterized in that:
When execution 60kg/m steel track head bore drills task, PLC controller instruction 2. 3. 4. number spindle servo electric machine transfer control
3. steel rail ends limit is positioned at 2. number main shaft 2. 4. number main shaft simultaneously operation, PLC controller instruction shield 1. number main shaft function
At the 76mm of left side, after rail completes located lateral, the magnechuck of PLC controller instruction works platform consolidates rail to magnetic
Fixed, 2. 3. 4. 2. 3. 4. number main shaft feeds simultaneously and completes road head bore and add for number spindle servo electric machine transfer control for PLC controller instruction
Work；Later, PLC controller instructs the opposite side 2. 3. 4. number spindle servo electric machine transfer control 2. 3. 4. rose reamer of number main shaft
Chamfering is completed in tool feeding；
When being switched to execution 50kg/m steel track head bore task by 60kg/m Rail Production task, PLC controller instruction works
Four shaft gear casees of platform two sides simultaneously decline 10.5mm, and 1. 2. 3. 1. number spindle servo electric machine transfer controls for PLC controller instruction
3. 2. number main shaft simultaneously operation, steel rail ends limit is positioned at PLC controller instruction system shielding on the left of 1. number main shaft at 66mm
4. number main shaft function, after rail completes located lateral, the magnechuck of PLC controller instruction works platform carries out rail to magnetic
Fixed, 1. 2. 3. 1. 2. 3. number main shaft feeds completion road head bore simultaneously for number spindle servo electric machine transfer control for PLC controller instruction
Processing, later, PLC controller instruct the opposite side 1. 2. 3. number spindle servo electric machine transfer control 1. 2. 3. chamfering of number main shaft
Tool feeding completes chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650615.3A CN110449623B (en) | 2018-12-31 | 2018-12-31 | Multi-hole simultaneous processing device and processing method suitable for multiple types of steel rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650615.3A CN110449623B (en) | 2018-12-31 | 2018-12-31 | Multi-hole simultaneous processing device and processing method suitable for multiple types of steel rails |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110449623A true CN110449623A (en) | 2019-11-15 |
| CN110449623B CN110449623B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811650615.3A Active CN110449623B (en) | 2018-12-31 | 2018-12-31 | Multi-hole simultaneous processing device and processing method suitable for multiple types of steel rails |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417178A (en) * | 2021-07-27 | 2021-09-21 | 中铁物总资源科技有限公司 | Multi-degree-of-freedom porous drilling method applied to railway waste steel rail repair |
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|---|---|---|---|---|
| WO1992021469A1 (en) * | 1991-06-05 | 1992-12-10 | Jack Hammer Hardware Pty. Ltd. | An attachment for a drive shaft of a drill or like rotary tool |
| US5203856A (en) * | 1992-03-23 | 1993-04-20 | Gte Valenite Corporation | Tool for finishing and chamfering a hole |
| US20080056832A1 (en) * | 2006-08-30 | 2008-03-06 | Samsung Electronics Co., Ltd. | Equipment and method for cutting package |
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| CN209681206U (en) * | 2018-12-31 | 2019-11-26 | 中铁宝桥集团有限公司 | A kind of Multi-hole simultaneous processing device suitable for multiclass shaped steel rail |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417178A (en) * | 2021-07-27 | 2021-09-21 | 中铁物总资源科技有限公司 | Multi-degree-of-freedom porous drilling method applied to railway waste steel rail repair |
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