CN107838689A - A kind of shaft coupling drilling equipment - Google Patents
A kind of shaft coupling drilling equipment Download PDFInfo
- Publication number
- CN107838689A CN107838689A CN201711093280.5A CN201711093280A CN107838689A CN 107838689 A CN107838689 A CN 107838689A CN 201711093280 A CN201711093280 A CN 201711093280A CN 107838689 A CN107838689 A CN 107838689A
- Authority
- CN
- China
- Prior art keywords
- shaft coupling
- screw rod
- workbench
- boring positioning
- hydraulically extensible
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
Abstract
The invention discloses a kind of shaft coupling drilling equipment, including workbench, the bottom of the workbench is provided with equally distributed supporting leg, both sides at the top of workbench are provided with supporting plate, two relative sides of supporting plate are provided with hydraulically extensible bar, two relative one end of hydraulically extensible bar are provided with Level tune screw rod, the relative one end of two Level tune screw rods connects with being connected the inner ring of bearing, and outer ring of the connection bearing away from Level tune screw rod side is connected with horizontal location plate.The shaft coupling drilling equipment, make the height of drilling seat adjusted, so as to more facilitate staff to position shaft coupling, bigger facility is provided for the work of staff, it is more convenient for staff that the position of boring positioning outer barrel is adjusted, it is simple in construction, it is easy to operate, it is more convenient for staff to carry out positioning drilling to shaft coupling.
Description
Technical field
The present invention relates to shaft coupling technical field, specially a kind of shaft coupling drilling equipment.
Background technology
Shaft coupling is to be allowed to common rotation for two axles (driving shaft and driven shaft) coupled in different institutions to transmit
The machine components of moment of torsion.Two axles can not separate during machine run, and after only machine is parked and takes connection apart, two axles could divide
From.In the power transmission of high-speed overload, some shaft couplings also have buffering, vibration damping and the effect for improving shafting dynamic property.Connection
Axle device is made up of two half parts, is coupled respectively with driving shaft and driven shaft.General engine is mostly by means of shaft coupling and work
Machine is connected.
Shaft coupling will typically be drilled during processing, and this just needs to use drilling machine.Drilling machine refers to profit
With instrument harder than object, sharper keen by way of rotary cutting or rotary squeezing, cylinder is left on object
The machinery and equipment in shape hole or hole are referred to as.Also there are referred to as rig, puncher, perforator, through-hole machine etc..
Existing general drilling machine positions regulation more inconvenience during use, is brought greatly to staff
Trouble.A kind of new technique scheme is needed to solve the above problems now.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of shaft coupling drilling equipment, solve existing general
Drilling machine positions regulation more inconvenience during use, and the problem of great troublesome is brought to staff.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of shaft coupling drilling equipment, bag
Include workbench, the bottom of the workbench is provided with equally distributed supporting leg, and the both sides at the top of workbench are respectively provided with
There is supporting plate, two relative sides of supporting plate are provided with hydraulically extensible bar, and two relative one end of hydraulically extensible bar are all provided with
Level tune screw rod is equipped with, the relative one end of two Level tune screw rods connects with being connected the inner ring of bearing, and connection bearing is remote
Outer ring from Level tune screw rod side is connected with horizontal location plate, and side of the horizontal location plate away from connection bearing offers
Arc groove, side of the horizontal location plate away from connection bearing are provided with arc neonychium.
Vertical adjusting screw rod is provided through in the middle part of the workbench, vertical adjusting screw rod is located at two horizontal locations
Between plate, the top of workbench and drilling seat is provided between two horizontal location plates, the top for the seat that drills is in arc
The recess of shape, vertical connecting screw hole is offered in the middle part of the seat that drills.
Support bar, two support bars are provided with the top of the workbench and positioned at the back side of two hydraulically extensible bars
The one end at top is connected with being connected slide, connects and two connection sliding blocks being flexibly connected with it are provided with slide, and connection is slided
The positive one end of block is provided with connecting rod, the one end of connecting rod away from connection sliding block and boring positioning outer barrel, boring positioning outer barrel
Be internally provided with boring positioning inner cylinder, between boring positioning outer barrel and boring positioning inner cylinder and positioned at boring positioning inner cylinder
Both sides are provided with the advance ball being spaced substantially equidistant, on the madial wall of boring positioning outer barrel and boring positioning inner cylinder outside
The arc link slot corresponding with advance ball is offered on wall.
The top of the workbench and the back side of connection slide is provided with support column, one end at the top of support column
Bend and extend to connect slide, the lower surface of one end is provided with the vertical adjusting rod of hydraulically extensible, hydraulically extensible at the top of support column
One end of vertical adjusting rod bottom is provided with hydraulically extensible levelling lever, and one end on the left of hydraulically extensible levelling lever is set
There is a motor, the output shaft on motor is connected by shaft coupling with drive shaft, and one end of drive shaft bottom is set
There is drill bit connecting seat, drill bit is provided with drill bit connecting seat.
Preferably, the bottom of the supporting leg is provided with beam.
Preferably, the one end of the Level tune screw rod away from connection bearing extends to inside and and the liquid of hydraulically extensible bar
Press expansion link threaded connection.
Preferably, one end of the drill bit bottom downward through boring positioning outer barrel and boring positioning inner cylinder and extends to bore
Hole seat.
Preferably, one end at the top of the vertical adjusting screw rod extends upwardly to the top of workbench, adjusts spiral shell vertically
One end of bar bottom extends upwardly to the bottom of workbench.
Preferably, one end at the top of the vertical adjusting screw rod extends upwardly to the inside of vertical connecting screw hole, vertical to adjust
Section screw rod is connected by vertical connecting screw hole with drilling seat.
(3) beneficial effect
The invention provides a kind of shaft coupling drilling equipment, possesses following beneficial effect：
(1), the shaft coupling drilling equipment, workbench, vertical adjusting screw rod, drilling seat and vertical connecting screw hole are passed through
Between be used in conjunction with each other, staff can be adjusted the height of drilling seat by the way that vertical adjusting screw rod is adjusted
Section, so as to more facilitate staff to position shaft coupling.
(2), the shaft coupling drilling equipment, supporting plate, hydraulically extensible bar, Level tune screw rod, connection bearing, water are passed through
Being used in conjunction with each other between flat location-plate, arc groove and arc neonychium, staff can be by adjusting hydraulically extensible bar
The position of horizontal location plate is significantly adjusted, then the position of horizontal location plate carried out accurately by Level tune screw rod
Regulation, horizontal location plate is reached higher to the clamping effect of shaft coupling, for staff work provide it is bigger just
Profit.
(3), shaft coupling drilling equipment, by mutual between support bar, connection slide, connection sliding block and connecting rod
It is used cooperatively, during drilling, staff can adjust the position of boring positioning outer barrel by connection sliding block and connection slide
Put, be more convenient for staff that the position of boring positioning outer barrel is adjusted, use is more convenient.
(4), the shaft coupling drilling equipment, connected by boring positioning outer barrel, boring positioning inner cylinder, advance ball and arc
Being used in conjunction with each other between access slot, during drill bit rotates, drill bit can drive boring positioning inner cylinder outside boring positioning
The inner rotation of cylinder, is positioned to drill bit by boring positioning inner cylinder, effectively increases the accuracy of bit bore, while
More facilitate the work of staff.It is effective to limit in the displacement for moving up and down and moving along a straight line, solve over-travel
The problem of.The real-time switching of lengthwise movement is realized, solves the problems, such as the immovable fixing device of existing apparatus.Rotation is transported
Turn turns to linear motion, effectively raises horizontal positioning precision, solves the problems, such as that device lateral positioning is not accurate.It is enough
Prevent from producing torsional deformation during upset, improve the service life of equipment；Stuck, motor mistake can effectively be prevented
Carry after the accident weight burnt is disperseed and be uniformly applied on base, it is therefore prevented that stress concentration, improve the security performance of equipment.
(5), the shaft coupling drilling equipment, it is simple in construction, it is easy to operate, it is more convenient for staff to enter shaft coupling
Row positioning drilling, effectively reduces the work difficulty of staff, substantially reduces the working strength of staff.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial structurtes enlarged drawing in A portions in Fig. 1 of the present invention；
Fig. 3 is the partial structurtes enlarged drawing in B portions in Fig. 1 of the present invention；
Fig. 4 is the structural representation of present invention drilling seat；
Fig. 5 is the structural representation of horizontal location plate of the present invention.
In figure：1 workbench, 2 supporting legs, 3 supporting plates, 4 hydraulically extensible bars, 5 Level tune screw rods, 6 connection bearings, 7
Horizontal location plate, 8 arc grooves, 9 arc neonychiums, 10 vertical adjusting screw rods, 11 drilling seats, 12 vertical connecting screw holes, 13
Strut, 14 connection slides, 15 connection sliding blocks, 16 connecting rods, 17 boring positioning outer barrels, 18 boring positioning inner cylinders, 19 advance balls,
20 arc link slots, 21 support columns, the vertical adjusting rod of 22 hydraulically extensibles, 23 hydraulically extensible levelling levers, 24, motor,
25 drive shafts, 26 drill bit connecting seats, 27 drill bits.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of shaft coupling drilling equipment, including workbench
(1), the bottom of workbench (1) is provided with equally distributed supporting leg (2), and the bottom of supporting leg (2) is provided with beam, work
Make the both sides at the top of platform (1) and be provided with supporting plate (3), two relative sides of supporting plate (3) are provided with hydraulically extensible
Bar (4), two relative one end of hydraulically extensible bar (4) are provided with Level tune screw rod (5), two Level tune screw rods (5)
Relative one end connects with being connected the inner ring of bearing (6), one end extension of the Level tune screw rod (5) away from connection bearing (6)
It is threadedly coupled to the inside of hydraulically extensible bar (4) and with hydraulically extensible bar (4), connection bearing (6) is away from Level tune screw rod (5)
The outer ring of side is connected with horizontal location plate (7), and side of the horizontal location plate (7) away from connection bearing (6) offers arc
Groove (8), side of the horizontal location plate (7) away from connection bearing (6) are provided with arc neonychium (9).
It is provided through vertical adjusting screw rod (10) in the middle part of workbench (1), one at the top of vertical adjusting screw rod (10)
End extends upwardly to the top of workbench (1), and one end of vertical adjusting screw rod (10) bottom extends upwardly to workbench (1)
Bottom, vertical adjusting screw rod (10) is between two horizontal location plates (7), the top of workbench (1) and positioned at two
Drilling seat (11), the curved recess in top of drilling seat (11), drilling seat (11) are provided between individual horizontal location plate (7)
Middle part offer vertical connecting screw hole (12), one end at the top of vertical adjusting screw rod (10) extends upwardly to vertical connecting screw hole
(12) inside, vertical adjusting screw rod (10) are connected by vertical connecting screw hole (12) with drilling seat (11).
Support bar (13) is provided with the top of workbench (1) and positioned at the back side of two hydraulically extensible bars (4), two
One end at the top of support bar (13) is connected with being connected slide (14), and be provided with two on connection slide (14) is flexibly connected with it
Connection sliding block (15), connection sliding block (15) positive one end is provided with connecting rod (16), and connecting rod (16) is away from connection sliding block
(15) one end and boring positioning outer barrel (17), boring positioning outer barrel (17) are internally provided with boring positioning inner cylinder (18), bored
It is provided between hole positioning outer barrel (17) and boring positioning inner cylinder (18) and positioned at the both sides of boring positioning inner cylinder (18)
The advance ball (19) of distance arrangement, on the madial wall of boring positioning outer barrel (17) and boring positioning inner cylinder (18) lateral wall
On offer the arc link slot (20) corresponding with advance ball (19).
The top of workbench (1) and positioned at connection slide (14) the back side be provided with support column (21), support column
(21) one end at the top of bends and extends to connect slide (14), and the lower surface of one end is provided with hydraulic pressure and stretched at the top of support column (21)
Contract vertical adjusting rod (22), and one end of the vertical adjusting rod of hydraulically extensible (22) bottom is provided with hydraulically extensible levelling lever
(23), one end on the left of hydraulically extensible levelling lever (23) is provided with motor (24), the output on motor (24)
Axle is connected by shaft coupling with drive shaft (25), and one end of drive shaft (25) bottom is provided with drill bit connecting seat (26), is bored
Drill bit (27) is provided with head connecting seat (26), one end of drill bit (27) bottom is downward through boring positioning outer barrel (17) and drilling
Positioning inner cylinder (18) simultaneously extends to the seat (11) that drills.
Pass through the phase between workbench (1), vertical adjusting screw rod (10), drilling seat (11) and vertical connecting screw hole (12)
Mutually it is used cooperatively, staff can be adjusted the height of drilling seat (11) by the way that vertical adjusting screw rod (12) is adjusted
Section, so as to more facilitate staff to position shaft coupling, pass through supporting plate (3), hydraulically extensible bar (4), Level tune
Mutual cooperation between screw rod (5), connection bearing (6), horizontal location plate (7), arc groove (8) and arc neonychium (9) makes
With staff can significantly be adjusted by adjusting hydraulically extensible bar (4) to the position of horizontal location plate (7), then be passed through
Level tune screw rod (5) carries out accurate adjustment to the position of horizontal location plate (7), makes folder of the horizontal location plate (7) to shaft coupling
Tight effect can reach higher, and bigger facility is provided for the work of staff, pass through support bar (13), connection slide
(14), being used in conjunction with each other between connection sliding block (15) and connecting rod (16), during drilling, staff can pass through
The position of connection sliding block (15) and connection slide (14) regulation boring positioning outer barrel (17), staff is more convenient for drilling
The position of positioning outer barrel (17) is adjusted, and use is more convenient, passes through boring positioning outer barrel (17), boring positioning inner cylinder
(18), being used in conjunction with each other between advance ball (19) and arc link slot (20), during drill bit (27) rotates, bore
Head (27) can drive boring positioning inner cylinder (18) to pass through boring positioning inner cylinder (18) in the inner rotation of boring positioning outer barrel (17)
Drill bit (27) is positioned, effectively increases the accuracy of drill bit (27) drilling, while also more facilitates the work of staff
Make, it is simple in construction, it is easy to operate, it is more convenient for staff to carry out positioning drilling to shaft coupling, effectively reduces work people
The work difficulty of member, substantially reduces the working strength of staff.
In summary, the shaft coupling drilling equipment, staff can by the way that vertical adjusting screw rod (12) is adjusted,
Make the height of drilling seat (11) adjusted, so as to more facilitate staff to position shaft coupling.
Also, staff can significantly be adjusted by adjusting hydraulically extensible bar (4) to the position of horizontal location plate (7)
Section, then accurate adjustment is carried out to the position of horizontal location plate (7) by Level tune screw rod (5), make horizontal location plate (7) distich
The clamping effect of axle device can reach higher, and bigger facility is provided for the work of staff.
Also, during drilling, staff can pass through connection sliding block (15) and connection slide (14) regulation drilling
The position of outer barrel (17) is positioned, is more convenient for staff that the position of boring positioning outer barrel (17) is adjusted, using more
Add conveniently.
Also, during drill bit (27) rotates, drill bit (27) can drive boring positioning inner cylinder (18) in boring positioning
The inner rotation of outer barrel (17), drill bit (27) is positioned by boring positioning inner cylinder (18), effectively increases drill bit (27)
The accuracy of drilling, while also more facilitate the work of staff.
Also, it is simple in construction, it is easy to operate, it is more convenient for staff to carry out positioning drilling to shaft coupling, effectively drop
The low work difficulty of staff, substantially reduces the working strength of staff.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that including
Other identical element also be present in the process of the key element, method, article or equipment ".
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 changes, modification can be carried out to these embodiments, replace 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 (7)
1. a kind of shaft coupling drilling equipment, including workbench (1), it is characterised in that：The bottom of the workbench (1) is set
It is equipped with equally distributed supporting leg (2), the both sides at the top of workbench (1) are provided with supporting plate (3), two supporting plates (3)
Relative side is provided with hydraulically extensible bar (4), and two relative one end of hydraulically extensible bar (4) are provided with Level tune spiral shell
Bar (5), the relative one end of two Level tune screw rods (5) connect with being connected the inner ring of bearing (6), and connection bearing (6) is remote
The outer ring of Level tune screw rod (5) side is connected with horizontal location plate (7), and horizontal location plate (7) is away from connection bearing (6)
Side offers arc groove (8), and side of the horizontal location plate (7) away from connection bearing (6) is provided with arc neonychium (9)；
Vertical adjusting screw rod (10) is provided through in the middle part of the workbench (1), vertical adjusting screw rod (10) is located at two
Between horizontal location plate (7), the top of workbench (1) and drilling seat is provided between two horizontal location plates (7)
(11), drilled the curved recess in top of seat (11), and vertical connecting screw hole (12) is offered in the middle part of drilling seat (11)；
Support bar (13) is provided with the top of the workbench (1) and positioned at the back side of two hydraulically extensible bars (4), two
One end at the top of support bar (13) is connected with being connected slide (14), and be provided with two on connection slide (14) is flexibly connected with it
Connection sliding block (15), connection sliding block (15) positive one end is provided with connecting rod (16), and connecting rod (16) is away from connection sliding block
(15) one end and boring positioning outer barrel (17), boring positioning outer barrel (17) are internally provided with boring positioning inner cylinder (18), bored
It is provided between hole positioning outer barrel (17) and boring positioning inner cylinder (18) and positioned at the both sides of boring positioning inner cylinder (18)
The advance ball (19) of distance arrangement, on the madial wall of boring positioning outer barrel (17) and boring positioning inner cylinder (18) lateral wall
On offer the arc link slot (20) corresponding with advance ball (19)；
The top of the workbench (1) and positioned at connection slide (14) the back side be provided with support column (21), support column
(21) one end at the top of bends and extends to connect slide (14), and the lower surface of one end is provided with hydraulic pressure and stretched at the top of support column (21)
Contract vertical adjusting rod (22), and one end of the vertical adjusting rod of hydraulically extensible (22) bottom is provided with hydraulically extensible levelling lever
(23), one end on the left of hydraulically extensible levelling lever (23) is provided with motor (24), the output on motor (24)
Axle is connected by shaft coupling with drive shaft (25), and one end of drive shaft (25) bottom is provided with drill bit connecting seat (26), is bored
Drill bit (27) is provided with head connecting seat (26).
A kind of 2. shaft coupling drilling equipment according to claim 1, it is characterised in that：The bottom of the supporting leg (2)
It is provided with beam.
A kind of 3. shaft coupling drilling equipment according to claim 1, it is characterised in that：The Level tune screw rod (5)
One end away from connection bearing (6) extends to the inside of hydraulically extensible bar (4) and is threadedly coupled with hydraulically extensible bar (4).
A kind of 4. shaft coupling drilling equipment according to claim 1, it is characterised in that：The one of drill bit (27) bottom
End is downward through boring positioning outer barrel (17) and boring positioning inner cylinder (18) and extends to the seat (11) that drills.
A kind of 5. shaft coupling drilling equipment according to claim 1-4, it is characterised in that：The vertical adjusting screw rod
(10) one end at the top of extends upwardly to the top of workbench (1), and one end of vertical adjusting screw rod (10) bottom upwardly extends
To the bottom of workbench (1).
A kind of 6. shaft coupling drilling equipment according to claim 1-5, it is characterised in that：The vertical adjusting screw rod
(10) one end at the top of extends upwardly to the inside of vertical connecting screw hole (12), and vertical adjusting screw rod (10) by connecting spiral shell vertically
Hole (12) is connected with drilling seat (11).
A kind of 7. shaft coupling boring method, it is characterised in that：The shaft coupling drilling equipment, staff can be by vertical
Adjusting screw rod (12) is adjusted, and makes the height of drilling seat (11) adjusted, so as to more facilitate staff to shaft coupling
Positioned；Also, staff can be carried out significantly by adjusting hydraulically extensible bar (4) to the position of horizontal location plate (7)
Regulation, then accurate adjustment is carried out to the position of horizontal location plate (7) by Level tune screw rod (5)；During drilling, work
The position of boring positioning outer barrel (17) can be adjusted by connection sliding block (15) and connection slide (14) by making personnel, be more convenient for work
Make personnel the position of boring positioning outer barrel (17) is adjusted, use is more convenient.
Also, during drill bit (27) rotates, drill bit (27) can drive boring positioning inner cylinder (18) in boring positioning outer barrel
(17) inner rotation, drill bit (27) is positioned by boring positioning inner cylinder (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093280.5A CN107838689A (en) | 2017-11-08 | 2017-11-08 | A kind of shaft coupling drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093280.5A CN107838689A (en) | 2017-11-08 | 2017-11-08 | A kind of shaft coupling drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107838689A true CN107838689A (en) | 2018-03-27 |
Family
ID=61682491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093280.5A Withdrawn CN107838689A (en) | 2017-11-08 | 2017-11-08 | A kind of shaft coupling drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107838689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526990A (en) * | 2018-03-29 | 2018-09-14 | 叶华飞 | A kind of intermetallic composite coating drilling equipment |
| CN115194210A (en) * | 2022-09-14 | 2022-10-18 | 徐州市舜瑞琪五金工具有限公司 | Drilling equipment is used in coupling processing |
-
2017
- 2017-11-08 CN CN201711093280.5A patent/CN107838689A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526990A (en) * | 2018-03-29 | 2018-09-14 | 叶华飞 | A kind of intermetallic composite coating drilling equipment |
| CN115194210A (en) * | 2022-09-14 | 2022-10-18 | 徐州市舜瑞琪五金工具有限公司 | Drilling equipment is used in coupling processing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180327 |