CN206356601U - Lateral drilling machine is used in the pin-and-hole processing of narrow gap space - Google Patents
Lateral drilling machine is used in the pin-and-hole processing of narrow gap space Download PDFInfo
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- CN206356601U CN206356601U CN201621413323.4U CN201621413323U CN206356601U CN 206356601 U CN206356601 U CN 206356601U CN 201621413323 U CN201621413323 U CN 201621413323U CN 206356601 U CN206356601 U CN 206356601U
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Abstract
Lateral drilling machine is used in a kind of pin-and-hole processing of narrow gap space, including lathe bed, motor, gear-box and drill boom body, the first power transmission shaft and second driving shaft are disposed with gear-box, axially spaced-apart is disposed with first gear and second gear on first power transmission shaft, the driving gear that first gear is extended on the output shaft in gear-box with motor is meshed, second gear is meshed with the 4th gear being arranged on second driving shaft, second driving shaft is extended in drill boom body, and be connected with the intrinsic input gear of spline structure and drill boom, gear-box is also equipped with disk moving axis by angular contact thrust ball bearing, the inner of disk moving axis is meshed by the 3rd gear with the second gear on the first power transmission shaft, extend gear-box in outer end, the outer end of disk moving axis is the jointing structure of matching spanner.It can make drill bit on main shaft before processing just can with it is light, conveniently, flexibly, reliably, timely mode realizes accurate centering in part Working position, reliable, practical.
Description
Technical field
The utility model is related to lateral drilling machine（That is Deflection drill）, specifically a kind of narrow gap space pin-and-hole processing laterally brill
Pin-and-hole processing on bed, particularly suitable impeller of steam turbine rotor.
Background technology
During being manufactured of industrial equipment, it will usually be related to the processing of the lateral pin-and-hole in narrow gap space,
Such as pin-and-hole processing on impeller of steam turbine rotor.
Pin-and-hole on impeller of steam turbine rotor is used to install movable vane piece, and it is high to requirement on machining accuracy；Turbine rotor leaf
Pin-and-hole on wheel is that pin-and-hole with the axial direction of rotor on the machine-shaping on impeller, i.e. impeller is side surface direction in impeller
On cross and process.However, between impellers at different levels on turbine rotor to open crotch size very small, belong to typical narrow
Gap space, carries out the processing of lateral pin-and-hole in this space, and non-general rig is adapted to, it is necessary to set dependent on special
It is standby --- lateral drilling machine（That is Deflection drill）.
The common lateral drilling machine for the pin-and-hole processing being presently used in the narrow gap such as impeller of steam turbine rotor space such as China is specially
" Deflection drill " disclosed in sharp document（Publication number：CN 2579579, publication date：On October 15th, 2003）It is shown, in the art,
Its motor, gear-box and drill boom body for being mainly arranged in by lathe bed and by supporting plate on lathe bed etc. is constituted, lathe bed energy
Horizontal and vertical adjustment of displacement is enough realized, drill boom body is chain drive structure.Although the lateral drilling machine can realize narrow
In gap space pin-and-hole processing, but its in use in the presence of be driven unstable, instantaneous velocity it is uneven, have impact, noise
Greatly, precision is low and the technical problem such as chain easy fracture/release when load is larger.
It is existing in order to efficiently solve the technical problem that lateral drilling machine exists because drill boom body uses chain drive structure
Technology discloses the various lateral drilling machines with stage-geared structure composition drill boom body, such as disclosed in Chinese patent literature
" turbine rotor Deflection drill "（Publication number：CN 200963698, publication date：On October 24th, 2007）, " novel deflecting drill "
（Publication number：CN 202224691, publication date：On May 23rd, 2012）, a kind of " horizontal machine tool for processing rotor last years hole
Deflection drill "（Publication number：CN 205128990, publication date：On April 6th, 2016）Deng.However, no matter tradition with chain drive into
The lateral drilling machine of type drill boom body or the existing lateral drilling machine that drill boom body is molded with gear drive, they can not pass through
Gear-box and the manual fine-tuning for realizing the main shaft arranged on drill boom body, and then drill bit can not be made before processing with light, side
Just, flexibly, reliably, timely mode realizes accurate centering on part Working position, is unfavorable for raising processing efficiency, reduction and adds
Work cost.
The content of the invention
Technical purpose of the present utility model is：Before processing can for above-mentioned the deficiencies in the prior art there is provided one kind
Make drill bit with it is light, conveniently, flexibly, reliably, timely mode realizes that the narrow gap of accurate centering is empty on part Working position
Between pin-and-hole processing use lateral drilling machine.
Technical purpose of the present utility model is achieved through the following technical solutions：A kind of pin-and-hole processing of narrow gap space is used
The first power transmission shaft and the are disposed with lateral drilling machine, including lathe bed, motor, gear-box and drill boom body, the gear-box
Axially spaced-apart is disposed with first gear and second gear, the first gear and driving on two power transmission shafts, first power transmission shaft
The driving gear that motor is extended on the output shaft in gear-box is meshed, and the second gear is with being arranged on second driving shaft
The 4th gear be meshed, the second driving shaft extends in drill boom body and intrinsic defeated with spline structure and drill boom
Enter gear to be connected, the gear-box is also equipped with disk moving axis by angular contact thrust ball bearing, and the inner of the disk moving axis leads to
Cross that the 3rd gear is meshed with the second gear on the first power transmission shaft, gear-box is extended in outer end, the outer end of the disk moving axis is
Match the jointing structure of spanner.
Preferably, the main cavity housing by strip of the drill boom body and be sequentially arranged in housing and
Final drive gear in input gear and Multi-stage transmission the gear composition gradually engaged, Multi-stage transmission gear and the master with gear
Axle is meshed, the main shaft be gear shaft structure, the main shaft by the first angular contact ball bearing, the second angular contact ball bearing and
End cap is arranged on the housing of drill boom body, and the housing side that the main shaft connects oriented drill boom body by collet extends
The drill bit gone out.
Preferably, pull bar is axially equipped with the second driving shaft, the outer end of the pull bar extends to drill boom
The outer lateral side of body and it is connected with the first elastic handle in the elongated end.Further, the drill boom body passes through the second pine
Tight handle is connected on the drill boom backer that gear-box is connected.
Preferably, the motor is SDS ac adjustable speed motors.
Advantageous effects of the present utility model are：
1. the utility model arranges the disk moving axis being meshed with the change-speed gearing in gear-box on gear-box, so that
With disk moving axis input adjustment torque, the manual fine-tuning for the main shaft arranged on drill boom body is realized by gear-box, and then is made
Be arranged in drill bit on main shaft before processing, just can with it is light, conveniently, flexibly, reliably, timely mode is in part machining position
Put and realize accurate centering, be conducive to improving processing efficiency while crudy is ensured, and then advantageously reduce processing
Cost, it is reliable, practical；
2. the utility model realizes the shaping of drill boom body with gear transmission structure, and then is conducive to improving this practicality newly
Transmission stability, instantaneous velocity uniformity, precision, stability and reliability of the type in processing, also advantageously reduce this practicality
New impulsive force and noise in processing；In addition, the intrinsic main shaft of drill boom is realized by high-precision angular contact ball bearing
Install, it has good radial and axial bearing capacity, and then has good structural rigidity and machining accuracy, further
Improve dependable with function of the present utility model；
3. motor of the present utility model employs the serial AC speed regulating spindle motors of SDS, it can realize stepless-adjustment
Speed, enters without gearshift, it is ensured that the intrinsic main shaft of drill boom also there is powerful invariable power to keep energy even in high regime
Power, and with double power characteristics, and then can have the intrinsic main shaft of drill boom to bear in short-term or periodically heavy duty cutting
Load-carrying ability, can meet main shaft and be required in the high-power cutting of heavy load in short-term so that main shaft work in-process, which has, preferably to be added
Work manufacturability, the change for the pin-and-hole processing dimension being advantageously implemented on cutting speed correspondence part, process operation is flexible so that plus
Working medium amount is more easy to ensure.
Brief description of the drawings：
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is cross section structure diagram of the supporting plate above section in overlook direction in Fig. 1.
Code name implication in figure：1-machine power slide unit；2-transverse feed mechanism；3-longitudinal feed mechanism；4-supporting plate；
5-motor；6-gear-box；7-drill boom adjustment mechanism；8-drill boom body；9-main shaft；10-drill bit；11-spring clip
Head；12-the first angular contact ball bearing；13-the second angular contact ball bearing；14-end cap；15-bearing；16-travelling gear；
17-input gear；18-drill boom backer；19-the first elastic handle；20-the second elastic handle；21-output shaft；22-main
Moving gear；23-the first power transmission shaft；24-first gear；25-second gear；26-the three gear；27-the four gear；
28-second driving shaft；29-disk moving axis；30-angular contact thrust ball bearing；31-pull bar.
Embodiment：
The utility model is the lateral drilling machine of the pin-and-hole processing on narrow gap space, especially impeller of steam turbine rotor,
Technology contents of the present utility model are described in detail below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 and Fig. 2, the utility model includes lathe bed, motor 5, gear-box 6 and drill boom body 8.
Wherein, lathe bed is mainly made up of machine power slide unit 1, transverse feed mechanism 2 and longitudinal feed mechanism 3.Machinery is dynamic
Power slide unit 1 is with respect to part to be processed（Such as turbine rotor）Axial direction be arranged on pedestal or lathe bedstead.Laterally enter
Mainly it is made up of to mechanism 2 upper saddle, lower slider and regulation screw mandrel, lower slider is slidedly assemblied on machine power slide unit 1, upper,
Lower slider is assembled together with dovetail chute, and is connected upper and lower slide correspondence by regulation screw mandrel；Lower slider is slided in machine power
The glide direction between glide direction and upper and lower slide on platform 1 is perpendicular, i.e., the glide direction correspondence of upper and lower slide is added
The radial direction of work part.The main upper saddle group by supporting plate 4, regulation screw mandrel and transverse feed mechanism 2 of longitudinal feed mechanism 3
Into supporting plate 4 is slidedly assemblied in the top surface of upper saddle with guide rail sliding chute structure, and by regulation screw mandrel that supporting plate 4 is corresponding with upper saddle
Connection；The glide direction of longitudinal feed mechanism 3 and the glide direction of transverse feed mechanism 2 be perpendicular, i.e. longitudinal feed mechanism 3
The axial direction of glide direction correspondence part to be processed, it is consistent with the glide direction of machine power slide unit 1.
Motor 5 is arranged on supporting plate 4 by trip bolt, and is engaged with gear-box 6, i.e., motor 5 is defeated
Shaft 21 is extended into gear-box 6.Motor 5 uses SDS ac adjustable speed motors.
Gear-box 6 is arranged on supporting plate 4 by trip bolt, and correspondence is in the position of the output shaft 21 of motor 5.Gear-box
6 main the first power transmission shaft 23, second driving shaft 28 and the disk moving axis 29 being arranged in by casing, by bearing in casing are constituted, this
The arranged direction of a little axles be side by side and output shaft 21 with motor 5 bearing of trend it is consistent, the relative output of disk moving axis 29
Axle 21 is arranged in the opposite side of casing.First gear 24 and are disposed with foregoing first power transmission shaft 23 in the way of axially spaced-apart
Two gears 25；First gear 24 is in the side of output shaft 21, and is extended to motor 5 on the output shaft 21 in gear-box 6
The driving gear 22 of connection is meshed；Second gear 25 is in the side of disk moving axis 29, and be connected with the inner of disk moving axis 29
3rd gear 26 is meshed.The casing of gear-box 6 is extended, for connecting drill boom body 8 in one end of second driving shaft 28, thus
The extension of second driving shaft 28 is extended into the drill boom body 8 outside gear-box 6；Second driving shaft 28 in gear-box 6
On be connected with the 4th gear 27, the 4th gear 27 is meshed with the second gear 25 being connected on the first power transmission shaft 23.Disk is moved
Axle 29 is assemblied in by angular contact thrust ball bearing 30 on the casing of gear-box 6, and the inner of disk moving axis 29 is in the inside and outside end of casing
Locate outside the enclosure；The inner of disk moving axis 29 is connected with the 3rd gear 26 and by the 3rd gear 26 with connecting on the first power transmission shaft 23
The second gear 25 connect is meshed；The outer end of disk moving axis 29 is the jointing structure of matching spanner, specially inner hexagonal hole knot
Structure.
Drill boom body 8 is mainly made up of housing, input gear 17, main shaft 9 and multiple travelling gears 16.Drill boom body 8
Housing is the cavity structure of strip, is mainly closed up by the housing connection of left and right two halves and formed.Input gear 17 passes through correspondence
Gear shaft and bearing be arranged in the cavity of housing root, the gear shaft of input gear 17 is hollow shaft, and its endoporus is provided with flower
Bond structure, the gear shaft is with internal spline structure and the second driving shaft for extending gear-box 6 and extending into the housing of drill boom body 8
External splines structure on 28 is connected, i.e., the external splines on spline structure, second driving shaft 28 is also provided with second driving shaft 28
Structure should match in the internal spline structure on the gear shaft of input gear 17；Pull bar is axially equipped with second driving shaft 28
31, the inner of the pull bar 31 is fixed on the casing of gear-box 6 with respect to the end of second driving shaft 28, and outer end extension is axially prolonged
The hull outside of drill boom body 8 is stretched out, the end for being in the pull bar 31 in the outside of drill boom body 8 is connected with the first elastic handle 19.
Each travelling gear 16 has corresponding bearing 15；Multiple travelling gears 16 are respectively by each self-corresponding bearing 15 along drill boom
The length direction of the housing of body 8, is sequentially arranged, adjacent drive step by step in the housing hollow of drill boom body 8 by root to top
It is meshed between gear 16, and the first travelling gear in these travelling gears 16 is meshed with input gear 17, final drive
Gear is meshed with the main shaft 9 with gear, i.e., the main shaft 9 is gear shaft structure, thus, is formd in the housing of drill boom body 8
Gear transmission chain.Main shaft 9 is used to connect drill bit 10；The case top of drill boom body 8 is provided with the axial pilot hole of main shaft 9, main shaft 9
The case top of drill boom body 8, the axle of main shaft 9 are arranged in by the first angular contact ball bearing 12 and the second angular contact ball bearing 13
Perpendicular to direction and the length direction of drill boom body 8, i.e., the one end of main shaft 9 is assemblied in drill boom by the first angular contact ball bearing 12
On one side body of body 8, another side body that the other end is assemblied in drill boom body 8 by the second angular contact ball bearing 13 connects
On the end cap 14 connect, the adjustment of the assembly precision of main shaft 9 can be realized by end cap 14；Drill bit 10 on main shaft 9 is connected to from brill
The housing side of arm body 8（It is opposite to be in the same side in the face of end cap 14, end cap 14 and gear-box 6）It is axially extending go out, and even
The clamping of collet 11 that the drill bit 10 being connected on main shaft 9 is assembled by the endoporus of main shaft 9 is fixed.Drill boom body 8 is in root
Portion region is connected on gear-box 6 by the second elastic handle 20 and drill boom backer 18, i.e., drill boom backer 18 has right-angle structure
Two fitting surfaces of shaping, fitting surface corresponding teeth roller box 6, another fitting surface correspondence drill boom body 8, drill boom backer 18 is led to
The fasteners such as fastening bolt are crossed to be connected to outside the anterior casing of gear-box 6, the fitting surface of its correspondence drill boom body 8 and gear-box 6
Side surface is substantially flush, and the second elastic handle 20 is with internal thread, by being installed in certain one-level travelling gear in drill boom body 8
And extend to the back side of drill boom backer 18 screw rod locking.It is lifted in addition, being additionally provided with the housing of drill boom body 8
Adjust the handle of operation.That is, the first elastic handle 19, the second elastic handle 20 and descending operation handle constitute drill boom
Be linked and packed structure and lift adjustment structure of the body 8 on the casing of gear-box 6, be linked and packed structure and the lift adjustment knot
Structure be referred to as drill boom adjustment mechanism 7, i.e. drill boom adjustment mechanism 7 have concurrently locking connection and unclamp adjustment function be integrated.
Above concrete technical scheme is only to illustrate the utility model, rather than its limitations.Although with reference to above-mentioned specific skill
The utility model is described in detail art scheme, it will be understood by those within the art that：It still can be right
Above-mentioned concrete technical scheme is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from spirit and scope of the present utility model.
Claims (5)
1. lateral drilling machine, including lathe bed, motor are used in a kind of pin-and-hole processing in narrow gap space（5）, gear-box（6）With drill boom sheet
Body（8）, the gear-box（6）Inside it is disposed with the first power transmission shaft（23）And second driving shaft（28）, first power transmission shaft（23）
Upper axially spaced-apart is disposed with first gear（24）And second gear（25）, the first gear（24）With motor（5）Extension
To gear-box（6）Interior output shaft（21）On driving gear（22）It is meshed, the second gear（25）With being arranged in second
Power transmission shaft（28）On the 4th gear（27）It is meshed, the second driving shaft（28）Extend to drill boom body（8）It is interior and with flower
Bond structure and drill boom body（8）Interior input gear（17）It is connected, it is characterised in that：The gear-box（6）Also pass through thrust
Angular contact ball bearing（30）It is equipped with disk moving axis（29）, the disk moving axis（29）The inner pass through the 3rd gear（26）Passed with first
Moving axis（23）On second gear（25）It is meshed, gear-box is extended in outer end（6）, the disk moving axis（29）Outer end for matching
The jointing structure of spanner.
2. lateral drilling machine is used in narrow gap space pin-and-hole processing according to claim 1, it is characterised in that：The drill boom body
（8）Main cavity housing by strip and sequentially it is arranged in the input gear engaged in housing and gradually（17）And Multi-stage transmission
Moving gear（16）Composition, Multi-stage transmission gear（16）In final drive gear and the main shaft with gear（9）It is meshed, the master
Axle（9）For gear shaft structure, the main shaft（9）Pass through the first angular contact ball bearing（12）, the second angular contact ball bearing（13）With
End cap（14）It is arranged in drill boom body（8）Housing on, the main shaft（9）Pass through collet（11）Connect oriented drill boom body
（8）The drill bit that extends of housing side（10）.
3. lateral drilling machine is used in pin-and-hole processing in narrow gap space according to claim 1 or claim 2, it is characterised in that：Described second passes
Moving axis（28）Interior axial direction is equipped with pull bar（31）, the pull bar（31）Outer end extend to drill boom body（8）Outer lateral side and
The first elastic handle is connected with the elongated end（19）.
4. lateral drilling machine is used in narrow gap space pin-and-hole processing according to claim 3, it is characterised in that：The drill boom body
（8）Pass through the second elastic handle（20）It is connected to gear-box（6）The drill boom backer connected（18）On.
5. lateral drilling machine is used in narrow gap space pin-and-hole processing according to claim 1, it is characterised in that：The motor
（5）For SDS ac adjustable speed motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413323.4U CN206356601U (en) | 2016-12-22 | 2016-12-22 | Lateral drilling machine is used in the pin-and-hole processing of narrow gap space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413323.4U CN206356601U (en) | 2016-12-22 | 2016-12-22 | Lateral drilling machine is used in the pin-and-hole processing of narrow gap space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356601U true CN206356601U (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621413323.4U Active CN206356601U (en) | 2016-12-22 | 2016-12-22 | Lateral drilling machine is used in the pin-and-hole processing of narrow gap space |
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| Country | Link |
|---|---|
| CN (1) | CN206356601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976953A (en) * | 2019-12-16 | 2020-04-10 | 北京龙威发电技术有限公司 | Narrow space axial pinhole processingequipment |
| CN114247913A (en) * | 2020-09-22 | 2022-03-29 | 上海电气电站设备有限公司 | Manual lateral drilling device |
-
2016
- 2016-12-22 CN CN201621413323.4U patent/CN206356601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976953A (en) * | 2019-12-16 | 2020-04-10 | 北京龙威发电技术有限公司 | Narrow space axial pinhole processingequipment |
| CN114247913A (en) * | 2020-09-22 | 2022-03-29 | 上海电气电站设备有限公司 | Manual lateral drilling device |
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