CN109663948A - A kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting - Google Patents
A kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting Download PDFInfo
- Publication number
- CN109663948A CN109663948A CN201910136092.9A CN201910136092A CN109663948A CN 109663948 A CN109663948 A CN 109663948A CN 201910136092 A CN201910136092 A CN 201910136092A CN 109663948 A CN109663948 A CN 109663948A
- Authority
- CN
- China
- Prior art keywords
- side wall
- roll shaft
- wall
- threaded rod
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 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 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of inclined oil hole of air drilling equipments of the roll shaft convenient for adjusting of roll shaft processing technique field, including workbench and roll shaft, the side wall of pedestal is provided with shell, and the intermediate active of housing cavity is provided with motor, drill bit is provided on the right side of motor output end, the left side wall of motor is movably set with the first threaded rod, and the right side wall of screwed pipe is fixedly connected with the left side outer wall of shell, the inner left wall of shell is provided with spring, two groups and the matched tray of roll shaft are provided on workbench, and fixture is provided between two groups of trays, the second threaded rod is tightened in the device, pass through the matching of the second threaded rod and thread rod bores, pushing block is pushed to the right, to which the left end of middle plate be jacked up upwards, the left end of shell is set to be upturned, to make the turn hole direction of motor be changed in vertical direction, adapt to the device different Demand improves the device practicability, and simple to operate.
Description
Technical field
The present invention relates to roll shaft processing technique field, specially a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting.
Background technique
In the process of manufacture of roll shaft, often because various round needs open up inclined oil hole of air on roll shaft, but it is general
The inclined oil hole of air that existing inclined oil hole of air drilling equipment opens up is tilted to the side close to the center of circle, it is difficult to adjust inclining for vertical direction
Rake angle, for this purpose, it is proposed that a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting.
Summary of the invention
The purpose of the present invention is to provide a kind of inclined oil hole of air drilling equipments of the roll shaft convenient for adjusting, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of drilled convenient for the roll shaft of adjusting with inclined oil hole of air
Device, including workbench and roll shaft are movably set with pedestal on the left of bench top side wall, and the side wall of pedestal is provided with shell
Body, and the intermediate active of housing cavity is provided with motor, and drill bit, the left side wall activity of motor are provided on the right side of motor output end
It is provided with the first threaded rod, and the left side wall of shell, and the centre of the first threaded rod lateral wall are run through in the left end of the first threaded rod
It is socketed with screwed pipe, and the right side wall of screwed pipe is fixedly connected with the left side outer wall of shell, the inner left wall of shell is provided with bullet
Spring, and the right end of spring is fixedly connected with the left side wall of motor, and two groups and the matched tray of roll shaft, and two are provided on workbench
Group tray is from left to right arranged successively, and is provided with fixture between two groups of trays.
Preferably, pedestal includes bottom plate, and the downside wall of bottom plate is fixedly connected with the side wall of workbench, and the top of bottom plate is living
It is dynamic to be provided with middle plate, and the right side of middle plate and bottom plate adjacent surface is hinged by rotation axis, the side wall of middle plate is movably set with top
Plate, and the side wall of top plate is flexibly connected with the downside wall of shell, and the front side wall of top plate is through being plugged with bolt, and bolt
Downside wall is bonded with the side wall of middle plate, and holding tank, and the left side activity of holding tank inner cavity are offered on the left of bottom plate side wall
It is plugged with pushing block, the downside wall of middle plate offers the triangular groove to match with pushing block, and the left side wall of pushing block is movably set with second
Threaded rod, and the thread rod bores to match with the second threaded rod are offered on the left of bottom plate.
Preferably, screwed pipe includes tube body, and the rear wall of tube body is fixedly connected with the left side wall of shell, tube cavity
The equal activity in the left and right sides is plugged with movable block, and the adjacent surface of two groups of movable blocks offers the screw thread to match with the first threaded rod
Hole, the left side activity of inboard wall of tube body is plugged with lead screw, and the right end of lead screw from left to right sequentially passes through two group movable blocks and pipe
The right side wall of body, and the lead screw hole to match with lead screw is offered on movable block.
Preferably, fixture includes third threaded rod, and third threaded rod is movably arranged on the side wall of workbench, and third
The lateral wall movable sleeve of threaded rod is connected to two groups of clamping plates.
Preferably, the side wall of triangular groove is provided with limited block, and limited block is convex shape limited block, and the top side of pushing block
Wall offers the limiting slot to match with limited block.
Preferably, the spacing of the two groups of clamping plate adjacent surfaces in front and back is gradually increased from top to bottom, and the side wall of tray offers
The groove to match with roll shaft, the downside wall of clamping plate is provided with guide pad, and the side wall of workbench offers and guide pad phase
Matched guide groove, and the block to match with roll shaft is provided on workbench.
Compared with prior art, the beneficial effects of the present invention are: tightening the second threaded rod in the device, pass through the second screw thread
The matching of bar and thread rod bores pushes pushing block to the right, so that the left end of middle plate be jacked up upwards, keeps the left end of shell upward
It tilts, so that the turn hole direction of motor be made to be changed in vertical direction, the device is made to adapt to different demands, improve the dress
Practicability is set, and simple to operate.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic diagram of base structure of the present invention；
Fig. 3 is screwed pipe structural schematic diagram of the present invention.
In figure: 1, workbench；2, pedestal；21, bottom plate；22, middle plate；23, top plate；24, holding tank；25, pushing block；26,
Two threaded rods；27, triangular groove；3, block；4, shell；5, motor；6, the first threaded rod；7, screwed pipe；71, tube body；72, movable
Block；73, lead screw；74, threaded hole；8, spring；9, drill bit；10, tray；11, fixture；111, third threaded rod；112, clamping plate；
12, roll shaft；13, bolt.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of inclined oil hole of air drilling dress of the roll shaft convenient for adjusting
It sets, including workbench 1 and roll shaft 12, is movably set with pedestal 2 on the left of 1 side wall of workbench, the side wall of pedestal 2 is provided with
Shell 4, and the intermediate active of 4 inner cavity of shell is provided with motor 5, and drill bit 9, a left side for motor 5 are provided on the right side of 5 output end of motor
Side wall is movably set with the first threaded rod 6, and the left side wall of shell 4, and the first threaded rod 6 are run through in the left end of the first threaded rod 6
The centre of lateral wall is socketed with screwed pipe 7, and the right side wall of screwed pipe 7 is fixedly connected with the left side outer wall of shell 4, shell 4
Inner left wall is provided with spring 8, and the right end of spring 8 is fixedly connected with the left side wall of motor 5, and two groups are provided on workbench 1
With the matched tray 10 of roll shaft 12, and two groups of trays 10 are from left to right arranged successively, and are provided with fixture between two groups of trays 10
11, motor 5 is electrically connected by conducting wire and external power supply switch.
Wherein, pedestal 2 includes bottom plate 21, and the downside wall of bottom plate 21 is fixedly connected with the side wall of workbench 1, bottom plate 21
Top movable is provided with middle plate 22, and the right side of middle plate 22 and 21 adjacent surface of bottom plate is hinged by rotation axis, the top side of middle plate 22
Wall is movably set with top plate 23, and the side wall of top plate 23 is flexibly connected with the downside wall of shell 4, and the front side wall of top plate 23 passes through
It is interspersed to be connected to bolt 13, and the downside wall of bolt 13 is bonded with the side wall of middle plate 22, is offered on the left of 21 side wall of bottom plate
Holding tank 24, and the left side activity of 24 inner cavity of holding tank is plugged with pushing block 25, the downside wall of middle plate 22 offers and 25 phase of pushing block
Matched triangular groove 27, the left side wall of pushing block 25 are movably set with the second threaded rod 26, and the left side of bottom plate 21 offers and the
The thread rod bores that two threaded rods 26 match, pushing block 25 are right-angled trapezium, tighten the second threaded rod 26, pass through the second threaded rod 26
With the matching of thread rod bores, pushing block 25 is pushed to the right, by the matching of pushing block 25 and triangular groove 27, by the left end of middle plate 22
It jacks up upwards, so that the turn hole direction of the motor 5 at top be made to be changed in vertical direction；
Screwed pipe 7 includes tube body 71, and the rear wall of tube body 71 is fixedly connected with the left side wall of shell 4,71 inner cavity of tube body
The equal activity in the left and right sides be plugged with movable block 72, and the adjacent surface of two groups of movable blocks 72 offers and 6 phase of the first threaded rod
The threaded hole 74 matched, the left side activity of 71 inner wall of tube body is plugged with lead screw 73, and the right end of lead screw 73 from left to right sequentially passes through
The right side wall of two group movable blocks 72 and tube body 71, and the lead screw hole to match with lead screw 73 is offered on movable block 72, it tightens
First threaded rod 6 makes the first threaded rod 6 that motor 5 be driven to move to the left by the matching of the first threaded rod 6 and threaded hole 74,
Spring 8 is compressed, by unscrewing lead screw 73, keeps two groups of movable blocks 72 mobile to two sides, loosens the folder to the first threaded rod 6
It holds, spring 8 is expanded, and motor 5 is pushed to the right, is drilled on roll shaft 12 to facilitate drill bit 9；
Fixture 11 includes third threaded rod 111, and third threaded rod 111 is movably arranged on the side wall of workbench 1, and the
The lateral wall movable sleeve of three threaded rods 111 is connected to two groups of clamping plates 112, rotates third threaded rod 111, keeps two groups of clamping plates 112 mutual
It is close, to facilitate the clamping of roll shaft 12；
The side wall of triangular groove 27 is provided with limited block, and limited block is convex shape limited block, and the side wall of pushing block 25
The limiting slot to match with limited block is offered, by the matching of limited block and limiting slot, plays connection pushing block 25 and middle plate 22
Connection, avoid middle plate 22 from separating with pushing block 25；
The spacing of two groups of 112 adjacent surfaces of clamping plate in front and back is gradually increased from top to bottom, will when clamping plate 112 being made to clamp roll shaft 12
Roll shaft 12 pushes down on, and facilitates and clamps roll shaft 12, and the side wall of tray 10 offers the groove to match with roll shaft 12, side
Roll shaft 12 placement, the downside wall of clamping plate 112 is provided with guide pad, and the side wall of workbench 1 offers and guide pad
The guide groove to match, and the block 3 to match with roll shaft 12 is provided on workbench 1, the presence of block 3 avoids roll shaft 12 from anticipating
It is moved to the left outside.
Working principle: tightening the second threaded rod 26, by the matching of the second threaded rod 26 and thread rod bores, by pushing block 25 to
Right side pushes, to the left end of middle plate 22 be jacked up upwards, so that the turn hole direction of the motor 5 at top be made to carry out in vertical direction
Change, tighten the first threaded rod 6, by the matching of the first threaded rod 6 and threaded hole 74, make the first threaded rod 6 drive motor 5 to
Left side is mobile, compresses to spring 8, and three-way motor 5 drives drill bit 9 to rotate, and unscrews lead screw 73, loosens two groups of movable blocks 72
Clamping to the first threaded rod 6, spring 8 are expanded, motor 5 are pushed to the right, is drilled on roll shaft 12 to facilitate drill bit 9
It drills.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting, including workbench and roll shaft, it is characterised in that: bench top
Pedestal is movably set on the left of side wall, the side wall of pedestal is provided with shell, and the intermediate active of housing cavity is provided with electricity
Machine, is provided with drill bit on the right side of motor output end, and the left side wall of motor is movably set with the first threaded rod, and the first threaded rod
The left side wall of shell is run through in left end, and the centre of the first threaded rod lateral wall is socketed with screwed pipe, and the right side wall of screwed pipe with
The left side outer wall of shell is fixedly connected, and the inner left wall of shell is provided with spring, and the left side wall of the right end of spring and motor is solid
It is fixed to connect, two groups and the matched tray of roll shaft are provided on workbench, and two groups of trays are from left to right arranged successively, and two groups of supports
Fixture is provided between block.
2. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting according to claim 1, it is characterised in that: pedestal packet
Include bottom plate, the downside wall of bottom plate is fixedly connected with the side wall of workbench, and the top movable of bottom plate is provided with middle plate, and middle plate with
The right side of bottom plate adjacent surface is hinged by rotation axis, and the side wall of middle plate is movably set with top plate, and the side wall and shell of top plate
The downside wall of body is flexibly connected, and the front side wall of top plate is through being plugged with bolt, and the side wall of the downside wall of bolt and middle plate
It is bonded, offers holding tank on the left of bottom plate side wall, and the left side activity of holding tank inner cavity is plugged with pushing block, the bottom side of middle plate
Wall offers the triangular groove to match with pushing block, and the left side wall of pushing block is movably set with the second threaded rod, and opens on the left of bottom plate
Equipped with the thread rod bores to match with the second threaded rod.
3. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting according to claim 1, it is characterised in that: screwed pipe
Including tube body, and the rear wall of tube body is fixedly connected with the left side wall of shell, and the equal activity in the left and right sides of tube cavity is plugged with
Movable block, and the adjacent surface of two groups of movable blocks offers the threaded hole to match with the first threaded rod, the left side of inboard wall of tube body is living
It is dynamic to be plugged with lead screw, and the right end of lead screw from left to right sequentially passes through the right side wall of two group movable blocks and tube body, and movable block
On offer the lead screw hole to match with lead screw.
4. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting according to claim 1, it is characterised in that: fixture packet
Third threaded rod is included, and third threaded rod is movably arranged on the side wall of workbench, and the lateral wall movable sleeve of third threaded rod
It is connected to two groups of clamping plates.
5. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting according to claim 1, it is characterised in that: triangular groove
Side wall be provided with limited block, and limited block is convex shape limited block, and the side wall of pushing block offers and limited block phase
The limiting slot matched.
6. a kind of inclined oil hole of air drilling equipment of the roll shaft convenient for adjusting according to claim 4, it is characterised in that: front and back two
The spacing of group clamping plate adjacent surface is gradually increased from top to bottom, and the side wall of tray offers the groove to match with roll shaft, folder
The downside wall of plate is provided with guide pad, and the side wall of workbench offers the guide groove to match with guide pad, and workbench
On be provided with the block to match with roll shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910136092.9A CN109663948B (en) | 2019-02-25 | 2019-02-25 | Oblique oilhole drilling equipment is used to roller convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910136092.9A CN109663948B (en) | 2019-02-25 | 2019-02-25 | Oblique oilhole drilling equipment is used to roller convenient to adjust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109663948A true CN109663948A (en) | 2019-04-23 |
| CN109663948B CN109663948B (en) | 2024-02-06 |
Family
ID=66151681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910136092.9A Active CN109663948B (en) | 2019-02-25 | 2019-02-25 | Oblique oilhole drilling equipment is used to roller convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109663948B (en) |
Citations (15)
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| US20020094248A1 (en) * | 2001-01-12 | 2002-07-18 | Darrin Smith | Drilling attachment for a drill press |
| US20080226406A1 (en) * | 2007-03-16 | 2008-09-18 | Vance Chiang | Upright inclined-hole drilling jig |
| CN107639260A (en) * | 2017-09-14 | 2018-01-30 | 嘉善惠龙金属制品有限公司 | A kind of metal pipe material production equipment |
| CN108555341A (en) * | 2018-07-09 | 2018-09-21 | 湖州恒奥成套电气设备有限公司 | A kind of shelf production and processing plank drilling equipment |
| CN108608023A (en) * | 2018-08-07 | 2018-10-02 | 苏州优熠精密机械有限公司 | A kind of hole drilling jig of accurate positioning |
| CN108705115A (en) * | 2018-07-06 | 2018-10-26 | 高邮市力博机床附件厂 | A kind of five metalworking drilling equipment of high-precision |
| CN108817452A (en) * | 2018-05-30 | 2018-11-16 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of pushing stable type circle disk center boring device |
| CN208099398U (en) * | 2018-02-09 | 2018-11-16 | 新昌县南明街道嘉宇机械厂 | A kind of perforating device for Production of bearing |
| CN108942292A (en) * | 2018-07-18 | 2018-12-07 | 郑州诚合信息技术有限公司 | A kind of fixed counter body boring device of computer technology exploitation |
| CN208231406U (en) * | 2018-05-10 | 2018-12-14 | 无锡市拓亿塑胶制品厂 | A kind of hardware drilling machine |
| CN208245861U (en) * | 2018-05-28 | 2018-12-18 | 浙江巨峰木业有限公司 | A kind of sheet fabrication drilling equipment |
| CN208261894U (en) * | 2018-04-17 | 2018-12-21 | 上海华验精密机电科技有限公司 | A kind of noise-reduction type machine components drilling equipment |
| CN109175458A (en) * | 2018-11-01 | 2019-01-11 | 阜宁县中洲阀门有限公司 | A kind of drilling equipment for the processing of forged steel relief valve connecting flange |
| CN109175441A (en) * | 2018-09-07 | 2019-01-11 | 苏州圣凡自动化科技有限公司 | A kind of automation drilling machine with accurate-location device |
| CN209902307U (en) * | 2019-02-25 | 2020-01-07 | 江苏锦航机械制造有限公司 | Oblique oilhole drilling equipment is used to roller convenient to adjust |
-
2019
- 2019-02-25 CN CN201910136092.9A patent/CN109663948B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020094248A1 (en) * | 2001-01-12 | 2002-07-18 | Darrin Smith | Drilling attachment for a drill press |
| US20080226406A1 (en) * | 2007-03-16 | 2008-09-18 | Vance Chiang | Upright inclined-hole drilling jig |
| CN107639260A (en) * | 2017-09-14 | 2018-01-30 | 嘉善惠龙金属制品有限公司 | A kind of metal pipe material production equipment |
| CN208099398U (en) * | 2018-02-09 | 2018-11-16 | 新昌县南明街道嘉宇机械厂 | A kind of perforating device for Production of bearing |
| CN208261894U (en) * | 2018-04-17 | 2018-12-21 | 上海华验精密机电科技有限公司 | A kind of noise-reduction type machine components drilling equipment |
| CN208231406U (en) * | 2018-05-10 | 2018-12-14 | 无锡市拓亿塑胶制品厂 | A kind of hardware drilling machine |
| CN208245861U (en) * | 2018-05-28 | 2018-12-18 | 浙江巨峰木业有限公司 | A kind of sheet fabrication drilling equipment |
| CN108817452A (en) * | 2018-05-30 | 2018-11-16 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of pushing stable type circle disk center boring device |
| CN108705115A (en) * | 2018-07-06 | 2018-10-26 | 高邮市力博机床附件厂 | A kind of five metalworking drilling equipment of high-precision |
| CN108555341A (en) * | 2018-07-09 | 2018-09-21 | 湖州恒奥成套电气设备有限公司 | A kind of shelf production and processing plank drilling equipment |
| CN108942292A (en) * | 2018-07-18 | 2018-12-07 | 郑州诚合信息技术有限公司 | A kind of fixed counter body boring device of computer technology exploitation |
| CN108608023A (en) * | 2018-08-07 | 2018-10-02 | 苏州优熠精密机械有限公司 | A kind of hole drilling jig of accurate positioning |
| CN109175441A (en) * | 2018-09-07 | 2019-01-11 | 苏州圣凡自动化科技有限公司 | A kind of automation drilling machine with accurate-location device |
| CN109175458A (en) * | 2018-11-01 | 2019-01-11 | 阜宁县中洲阀门有限公司 | A kind of drilling equipment for the processing of forged steel relief valve connecting flange |
| CN209902307U (en) * | 2019-02-25 | 2020-01-07 | 江苏锦航机械制造有限公司 | Oblique oilhole drilling equipment is used to roller convenient to adjust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109663948B (en) | 2024-02-06 |
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