CN106064311A - A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage - Google Patents
A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage Download PDFInfo
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- CN106064311A CN106064311A CN201610608156.7A CN201610608156A CN106064311A CN 106064311 A CN106064311 A CN 106064311A CN 201610608156 A CN201610608156 A CN 201610608156A CN 106064311 A CN106064311 A CN 106064311A
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- power set
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- overhanging
- drill reaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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Abstract
The present invention relates to the technical field of turbine making, in particular to one overhanging narrow greatly drill reaming power set and large-sized numerical control sleeping carriage.A kind of big overhanging narrow drill reaming power set include overhang greatly narrow knife plate, transmission component, toolbox and drive mechanism；One end of the described narrow knife plate of big overhanging is connected with described drive mechanism, and the other end is provided with between described toolbox, and described drive mechanism with described toolbox and is connected by described transmission component.A kind of large-sized numerical control sleeping carriage includes described big overhanging narrow drill reaming power set, and is achieved a butt joint by corresponding interface.The big overhanging narrow drill reaming power set that the present invention provides are fixedly mounted on a kind of large-sized numerical control sleeping carriage, are assembled by corresponding interface.This apparatus structure is succinct, cutter rotating accuracy high, is adapted to that turbine rotor is narrow to be opened linear leaf at shelves and drill and ream blade pin-and-hole, and after can meeting rotor assembling, maximum overhanging 580mm, minimum open the processing that drills and reams in diameter of phi 3mm Φ 15mm hole at grade 60mm.
Description
Technical field
The present invention relates to the technical field of turbine making, in particular to one overhanging narrow greatly drill reaming power
Device and large-sized numerical control sleeping carriage.
Background technology
Steam turbine is a kind of rotary power machinery that the energy of steam is converted into mechanical power, is also called steam saturating
Flat, it is broadly divided into industrial drives steam turbine and power station electric turbine.Steam turbine is by rotating part and two sides of stationary part
Face forms, and rotor includes main shaft, impeller, blade and shaft coupling etc.；Stator includes into vapour part, cylinder, dividing plate, static cascade, vapour
Envelope and bearing etc..Under normal circumstances, the working environment of Industrial Steam Turbine Rotors Aided is more severe, and thermal stress changes greatly, running temperature
Height, the most easily causes low-cycle fatigue damage, but also high-temperature creep injury to be caused.It addition, rotary speed of rotator is high, stress collection
Middle position is many, crackle once occurs, the continuation extension of crackle can not be organized to be not easily repaired again by the change method of operation, also hold
Easily cause the imbalance that rotor rotates.Therefore, on rotor and rotor thereof, the blade of assembling plays pass in steam turbine normally works
The effect of key.
Rotor and on equipped with the quality of blade processing quality the most directly decide the serviceability of complete machine.But,
In actual condition, after turbine rotor assembling blade, need to carry out pin-and-hole processing, but rotor inter-stage to open shelves less, and blade
Length relatively big, root with blade at pin-and-hole after blade assembling, so some drill reaming devices of prior art are difficult to meet
Requirement.In order to open a grade problem for long length blade and blade root pin-and-hole processing to narrow after solving steam turbine rotor vane assembling, need
Design a kind of special device to meet the requirement under special operation condition.
Therefore, for above problem, propose a kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage is
Technical problem urgently to be resolved hurrily in industry.
Summary of the invention
The deficiency existed in view of prior art, it is an object of the invention to provide a kind of big overhanging narrow drill reaming power dress
Put and large-sized numerical control sleeping carriage, to solve prior art opens a grade long length blade and blade root to narrow after steam turbine rotor vane assembling
The problem of pin-and-hole difficult processing.
A kind of overhanging narrow drill reaming power set and the large-sized numerical control sleeping carriage greatly that the present invention provides, including the narrow cutter that overhangs greatly
Plate, transmission component, toolbox and drive mechanism；
The described narrow knife plate of big overhanging is strip plate, and one end is connected with described drive mechanism, and the other end is provided with described cutter
It is connected by described transmission component between assembly, and described drive mechanism with described toolbox；
Wherein, described transmission component includes multiple linearly layout and the travelling gear that engages successively, and with two ends
Gear shaft that described travelling gear is meshed and output gear；
Described gear shaft is in transmission connection with described drive mechanism；
Described output gear is connected with described toolbox, and described toolbox can be driven to rotate.
Further, the upper surface of the described narrow knife plate of big overhanging is provided with multiple cylindrical protrusions, each described circular cylindrical projection
Be set with ball bearing on Qiing, described ball bearing outer ring and inner ring respectively with described travelling gear and described cylindrical protrusions
Interference fit connects.
Further, the described narrow knife plate of big overhanging uses solid forging structure, and thickness is 55mm, and effective cantilevered length is
584mm。
Further, in described toolbox is assemblied in the first through hole that described output gear is axially disposed；
Described toolbox includes spring tool holder and locking nut；
Threadeding with described locking nut in one end of described spring tool holder, can make institute by rotating described locking nut
State spring tool holder to move in described first through hole, complete the locking of described spring tool holder or unclamp action.
Further, one end of the described narrow knife plate of big overhanging is provided with the second through hole installing described output gear, described
It is connected by angular contact ball bearing between output gear and the inwall of described second through hole, and is capable of described output gear
High-precision rotary.
Further, described angular contact ball bearing is two groups, and angular contact ball bearing described in two groups is connected or back-to-back
Install.
Further, described output gear being provided with the wheel hub structure of protrusion, the outside of described wheel hub structure is with described
The inner ring of angular contact ball bearing uses interference fit to connect, and the root of described wheel hub structure is connected to described angular contact ball bearing
On the side of inner ring, it is possible to realize the high-precision rotary of described output gear.
Further, described ball bearing and described angular contact ball bearing are pressed abd fixed on described respectively by bearing (ball) cover
On the narrow knife plate of big overhanging.
A kind of big overhanging narrow drill reaming power set that the present invention provides also include for regulating described drive mechanism defeated
Go out the variable-frequency governor of rotating speed.
A kind of large-sized numerical control sleeping carriage that the present invention provides includes described big overhanging narrow drill reaming power set；
It is respectively equipped with corresponding interface on described large-sized numerical control sleeping carriage and described big overhanging narrow drill reaming power set, and leads to
Cross described corresponding interface to assemble.
The invention have the benefit that
A kind of overhanging narrow drill reaming power set and the large-sized numerical control sleeping carriage greatly that the present invention provides, including the narrow cutter that overhangs greatly
Plate, transmission component, toolbox and drive mechanism；Wherein, drive mechanism and toolbox are separately mounted to the narrow knife plate that overhangs greatly
Two ends, and connected by transmission component between drive mechanism and toolbox；Transmission component includes multiple linearly layout also
The travelling gear engaged successively, and the travelling gear at two ends engages with gear shaft and output gear respectively；Drive motor and gear
Through-drive connects, and passes sequentially through gear shaft and multiple travelling gear imparts power to output gear；Toolbox is assemblied in
On output gear, and drive toolbox to rotate by output gear, finally realize the machining to turbine blade；Big outstanding
Stretch in the work process of narrow drill reaming power set, variable-frequency governor the output speed of drive mechanism is adjusted, with
Reach to be easy to the purpose of processing.
The big overhanging narrow drill reaming power set that the present invention provides are fixedly mounted on a kind of large-sized numerical control sleeping carriage, pass through
Corresponding interface assembles.This apparatus structure is succinct, cutter rotating accuracy high, is adapted to that turbine rotor is narrow opens linear leaf at shelves
Drill and ream blade pin-and-hole, and after can meeting rotor assembling, maximum overhanging 580mm, minimum open diameter of phi 3mm-Φ 15mm hole at grade 60mm
Drill and ream processing.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic diagram of a kind of big overhanging narrow drill reaming power set that Fig. 1 provides for the present invention；
Fig. 2 is the structural representation of the big narrow knife plate that overhangs of the big overhanging narrow drill reaming power set shown in Fig. 1；
Fig. 3 is the driving of big overhanging narrow drill reaming power set shown in Fig. 1, the structural representation of transmission component；
Fig. 4 is the structural representation of the cutter holding assembly of the big overhanging narrow drill reaming power set shown in Fig. 1；
Fig. 5 is the schematic diagram of the output gear of the big overhanging narrow drill reaming power set shown in Fig. 1；
Fig. 6 is the schematic diagram of the travelling gear of the big overhanging narrow drill reaming power set shown in Fig. 1.
Reference:
The 1 big narrow knife plate that overhangs；11 second through holes；
12 cylindrical protrusions；13 grooves；
2 transmission components；21 gear shafts；
211 little gears；22 travelling gears；
23 output gears；231 wheel hub structures；
232 first through holes；233 gear structures；
24 ball bearings；25 angular contact ball bearings；
3 toolboxs；31 spring tool holders；
311 compressed part；3111 Cutting tool installation manner holes；
3112 flutings；312 guide parts；
313 connecting portions；32 locking nuts；
4 drive mechanisms；41 rotating shafts；
42 flanges；43 motors；
5 bearing (ball) covers；6 keys；
7 cover plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Concrete structure is as Figure 1-Figure 4.A kind of big overhanging narrow drill reaming power set that Fig. 1 provides for the present invention
Schematic diagram；Fig. 2 is the structural representation of the big narrow knife plate that overhangs of the big overhanging narrow drill reaming power set shown in Fig. 1；Fig. 3 is
The driving of big overhanging narrow drill reaming power set shown in Fig. 1, the structural representation of transmission component；Fig. 4 is big shown in Fig. 1
The structural representation of the cutter holding assembly of overhanging narrow drill reaming power set；Fig. 5 is that the big overhanging narrow shown in Fig. 1 drills and reams
The schematic diagram of the output gear of hole power set；Fig. 6 is the travelling gear of the big overhanging narrow drill reaming power set shown in Fig. 1
Schematic diagram.
A kind of big overhanging narrow drill reaming power set that the present invention provides include overhanging greatly narrow knife plate 1, transmission component 2,
Toolbox 3 and drive mechanism 4；
Wherein, the big narrow knife plate 1 that overhangs is strip plate, and one end of this narrow knife plate of big overhanging 1 is fixedly connected with drive mechanism
4, the other end is provided with toolbox 3, and is provided with transmission component 2 between drive mechanism 4 and toolbox 3, and by passing
Drive mechanism 4 and toolbox 3 are in transmission connection by dynamic assembly 2；
It should be noted that drive mechanism 4 includes motor 43, the turning of the flange 42 that is arranged on motor 43 and motor 43
Axle 41, is fixedly mounted on one end of the big narrow knife plate 1 that overhangs by flange 42 by motor 43；
Transmission component 2 includes travelling gear 22, gear shaft 21 and output gear 23；
Wherein, travelling gear 22 is provided with multiple, linearly layout successively engaged transmission；
Gear shaft 21 and output gear 23 are meshed with the travelling gear 22 at two ends respectively；
It should be noted that be provided with little gear 211 on gear shaft 21, little gear 211 and the travelling gear 22 of one end
Engage each other and impart power to travelling gear 22；
And gear shaft 21 is in transmission connection with drive mechanism 4；
It should be noted that gear shaft 21 is socketed in the rotating shaft 41 of motor 43, and in rotating shaft 41, it is equipped with key 6, and
Can be together with gear shaft 21 be in transmission connection by key 6 with the rotating shaft 41 of motor 43；
Output gear 23 is connected with toolbox 3, and toolbox 3 can be driven to rotate；
It should be noted that be provided with the first through hole 232 on output gear 23 in the axial direction, toolbox 3 is arranged on
In first through hole 232, and can slide along the inwall of the first through hole 232, to realize the pinching action to cutter.
The big overhanging narrow drill reaming power set that the present invention provides can pass sequentially through gear shaft by drive mechanism 4
21, multiple travelling gears 22 and output gear 23 finally drive toolbox 3 to rotate, thus realize the machine to turbine blade
Processing.
In the alternative of the present embodiment, the big upper surface overhanging narrow knife plate 1 is provided with multiple cylindrical protrusions 12, and
Form groove 13 between the most adjacent two cylindrical protrusions 12, make travelling gear 22 can be accommodated in this groove 13, and energy
Enough rotations in groove 13；It is set with ball bearing 24, then by each driving cog in the outside of each cylindrical protrusions 12
Wheel 22 is sleeved on ball bearing 24, i.e. the inner ring of ball bearing 24 is sleeved in cylindrical protrusions 12, and uses between the two
Interference fit connects；The outer ring of ball bearing 24 is assemblied in hole axially disposed on travelling gear 22, and ball bearing 24
Outer ring use interference fit to connect as between hole；Each ball bearing 24 is pressed abd fixed on by bearing (ball) cover 5 respectively
In groove 13, to prevent ball bearing 24 from loosening, impact is normal uses.
In the alternative of the present embodiment, the big narrow knife plate 1 that overhangs uses solid forging structure, and its thickness is 55mm, effectively
Cantilevered length is 584mm；
It should be noted that forging process establishes the grain structure of exquisiteness, and improve the physical attribute of metalwork；Greatly
The narrow knife plate 1 that overhangs uses solid forging structure can effectively improve its characteristic such as intensity, rigidity, and compared with prior art,
Gauge has reduced, and effective length has increased, and is more beneficial for that turbine rotor is narrow to be opened linear leaf at shelves and drill and ream vane pin
Hole, after can meeting rotor assembling, maximum overhanging 580mm, minimum open the processing that drills and reams in diameter of phi 3-Φ 15mm hole at grade 60mm.
In the alternative of the present embodiment, toolbox 3 is assemblied on output gear 23, and output gear 23 can drive
Toolbox 3 rotates；
Further, toolbox 3 includes spring tool holder 31 and locking nut 32；
Wherein, spring tool holder 31 is column structure, and on output gear 23, its axis direction is provided with the first through hole
232, it is internal that spring tool holder 31 is arranged on the first through hole 232, and can move in the first through hole 232；Locking nut 32 is arranged
In one end of the first through hole 232, and it is threaded connection with spring tool holder 31.
Concrete, spring tool holder 31 includes compressed part 311, guide part 312 and connecting portion 313；
Wherein, compressed part 311, in truncated conical shape, is provided with the Cutting tool installation manner hole 3111 arranged in the axial direction, and
Position near axis is provided with fluting 3112, and this fluting 3112 runs through whole compressed part 311 and part guide part 312；
Guide part 312 is cylindrical shape, and connecting portion 313 is provided with screw thread；And one end of the first through hole 232 corresponding thereto is tapered
Structure, the other end is circular hole；Spring tool holder 31 is assemblied in the first through hole 232, and compressed part 311 is corresponding with pyramidal structure, leads
Corresponding with round hole part split-phase to portion 312, connecting portion 313 is connected with locking nut 32 by screw thread, and locking nut 32 is connected to
The lower end of the first through hole 232；When to a direction rotational lock nut 32, it is threaded connection the whole spring tool holder 31 of drive
Moving to a direction in the first through hole 232, now compressed part 311 is by the pyramidal structure extruding on the first through hole 232
Spring tool holder 31 is made firmly to step up cutter；When to another direction rotational lock nut 32, spring tool holder 31 leads to first
Moving in the opposite direction in hole 232, now compressed part 311 separates with the pyramidal structure of the first through hole 232, thus releases cutter
The extruding of tool, in order to the dismounting of cutter.
In the alternative of the present embodiment, big one end overhanging narrow knife plate 1 is provided with the second through hole 11, at the second through hole 11
Middle assembling output gear 23, leaves gap between lateral wall and second through hole 11 of output gear 23, is used for assembling angular contact ball
Bearing 25；
It should be noted that angular contact ball bearing 25 can bear radial load and axial load simultaneously, rotating speed is higher, contact
Angle is the biggest, and axial carrying capacity is the highest；This angular contact ball bearing 25 generally uses and is organized in pairs use, bears radially for simultaneously
Load and the occasion of axial load, it is also possible to bear the axial load of purely radial load and either direction, work as angular contact ball bearing
After 25 are arranged on machine fastening, completely eliminate the play in angular contact ball bearing 25, and make lasso and steel ball be in pretension
State, thus improve rigidity.The angular contact ball bearing 25 being organized in pairs can be divided into back-to-back configuration, face-to-face configuration and series connection
Configure three kinds of forms；
Concrete, the present embodiment is taked two groups of series connection or the angular contact ball bearing 25 of configuration back-to-back, wherein, series connection
The loaded line of the angular contact ball bearing 25 of configuration is parallel, and radial and axial load is uniformly shared by this angular contact ball bearing 25, and
Its axle of load alignment of the angular contact ball bearing 25 of configuration is separately back-to-back, can bear the axial load acting in both direction
Lotus；The outer ring of this angular contact ball bearing 25 uses interference fit to be connected with second through hole 11 inwall of big narrow knife plate 1 one end that overhangs,
The outside of inner ring and output gear 23 uses interference fit to be connected, thus ensure that output gear 23 can high speed, revolve smoothly
Turn, and then realize processing quick, high-precision；It is convex that the axial one end of angular contact ball bearing 25 is connected to bottom the second through hole 11
On Qiing, the other end is pressed abd fixed in the second through hole 11 of the big narrow knife plate 1 that overhangs by bearing (ball) cover 5.
In the alternative of the present embodiment, output gear 23 includes gear structure 233 and wheel hub structure 231；
Wherein, gear structure 233 engages each other with travelling gear 22, is transmitted by the power of drive mechanism 4 and transmission component 2
To toolbox 3；Match with the inner ring of angular contact ball bearing 25 in the outside of wheel hub structure 231, and the root of wheel hub structure 231
It is connected on the side of angular contact ball bearing 25 inner ring, and by inner ring side, output gear 23 is played a supporting role, it is simple to
The high-precision rotary of output gear 23.
In the alternative of the present embodiment, ball bearing 24 and angular contact ball bearing 25 are compressed by bearing (ball) cover 5 respectively
It is fixed on big overhanging on narrow knife plate 1.
In the alternative of the present embodiment, it is provided with cover plate 7 in the big upper surface overhanging narrow knife plate 1, and will by cover plate 7
Groove 13 and some through holes of big narrow knife plate 1 upper end that overhangs seal, and prevent dust, impurity etc. from entering in transmission component 2, impact dress
The normal use put.
The big overhanging narrow drill reaming power set that the present embodiment provides also include variable-frequency governor, and variable-frequency governor is handle
Power frequency supply is transformed into the alternating current power supply of various frequency, to realize the equipment of motor speed-changing operation.Permissible by variable-frequency governor
The output speed of drive mechanism 4 is adjusted, and then changes the work efficiency of big overhanging narrow drill reaming power set.
On a kind of large-sized numerical control sleeping carriage that the present embodiment provides, big overhanging narrow drill reaming power set can be installed, and two
It is respectively arranged with corresponding interface on person, is capable of pacifying the narrow drill reaming power set that overhang greatly by the combination of corresponding interface
Dress, with on large-sized numerical control sleeping carriage, to adapt to narrow with turbine rotor open linear leaf at shelves and drill and ream blade pin-and-hole, can meet rotor dress
Maximum overhanging 580mm after joining, minimum opens the processing that drills and reams in diameter of phi 3-Φ 15mm hole at grade 60mm.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. big overhanging narrow drill reaming power set, it is characterised in that: include overhang greatly narrow knife plate, transmission component, cutter
Assembly and drive mechanism；
The described narrow knife plate of big overhanging is strip plate, and one end is connected with described drive mechanism, and the other end is provided with described toolbox,
And be connected by described transmission component between described drive mechanism and described toolbox；
Wherein, described transmission component includes multiple linearly layout and the travelling gear that engages successively, and with described in two ends
Gear shaft that travelling gear is meshed and output gear；
Described gear shaft is in transmission connection with described drive mechanism；
Described output gear is connected with described toolbox, and described toolbox can be driven to rotate.
Big overhanging narrow drill reaming power set the most according to claim 1, it is characterised in that the described narrow knife plate of big overhanging
Upper surface be provided with multiple cylindrical protrusions, each described cylindrical protrusions is set with ball bearing, described ball bearing
Outer ring and inner ring are connected with described travelling gear and described cylindrical protrusions interference fit respectively.
Big overhanging narrow drill reaming power set the most according to claim 1, it is characterised in that the described narrow knife plate of big overhanging
Using solid forging structure, thickness is 55mm, and effective cantilevered length is 584mm.
Big overhanging narrow drill reaming power set the most according to claim 1, it is characterised in that described toolbox assembles
In the first through hole that described output gear is axially disposed；
Described toolbox includes spring tool holder and locking nut；
Threadeding with described locking nut in one end of described spring tool holder, can make described bullet by rotating described locking nut
Spring cutter holder moves in described first through hole, completes locking or unclamps action.
Big overhanging narrow drill reaming power set the most according to claim 1, it is characterised in that the described narrow knife plate of big overhanging
One end be provided with the second through hole installing described output gear, logical between the inwall of described output gear and described second through hole
Cross angular contact ball bearing to connect.
Big overhanging narrow drill reaming power set the most according to claim 5, it is characterised in that described angular contact ball bearing
It is two groups, and angular contact ball bearing described in two groups is connected or installs back-to-back.
Big overhanging narrow drill reaming power set the most according to claim 6, it is characterised in that set on described output gear
Being equipped with the wheel hub structure of protrusion, matches with the inner ring of described angular contact ball bearing in the outside of described wheel hub structure, and described takes turns
The root of hub structure is connected on the side of described inner ring, it is possible to realize the high-precision rotary of described output gear.
8. according to the big overhanging narrow drill reaming power set described in claim 3 or 6, it is characterised in that described ball bearing
It is pressed abd fixed on the described narrow knife plate of big overhanging by bearing (ball) cover respectively with described angular contact ball bearing.
Big overhanging narrow drill reaming power set the most according to claim 1, it is characterised in that also include for regulating
State the variable-frequency governor of drive mechanism output speed.
10. a large-sized numerical control sleeping carriage, it is characterised in that include that the big overhanging narrow described in any one of claim 1-9 drills and reams
Hole power set；
It is respectively equipped with corresponding interface on described large-sized numerical control sleeping carriage and described big overhanging narrow drill reaming power set, and passes through institute
State corresponding interface to assemble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608156.7A CN106064311A (en) | 2016-07-29 | 2016-07-29 | A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608156.7A CN106064311A (en) | 2016-07-29 | 2016-07-29 | A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage |
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| CN106064311A true CN106064311A (en) | 2016-11-02 |
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|---|---|---|---|---|
| DE3511498A1 (en) * | 1985-03-29 | 1986-10-09 | Bernhard 6259 Brechen Eisenbach | Apparatus for machining posts or crossbars for windows or doors |
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Application publication date: 20161102 |