CN111168118A - A disc type part drilling machine for side seam processing - Google Patents
A disc type part drilling machine for side seam processingDownload PDFInfo
- Publication number
- CN111168118A CN111168118ACN202010024538.1ACN202010024538ACN111168118ACN 111168118 ACN111168118 ACN 111168118ACN 202010024538 ACN202010024538 ACN 202010024538ACN 111168118 ACN111168118 ACN 111168118A
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- drilling
- head
- ring
- adjusting device
- centering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Description
Technical Field
The invention relates to the field of drilling machines, in particular to a disc type part drilling machine for side seam machining.
Background
With the rapid development of the manufacturing industry, the investment of special automatic machines is increased, and a large number of special automatic machines replace the manual operation, which is more difficult and more deviated, wherein a drilling machine is one of the machines, and the drilling machine is a device for drilling iron materials or other materials through a hard mechanical device, but the current technical consideration is not perfect, and the following defects exist: when some disc parts or circular parts are machined, the area of the bonding position of the cross section of the disc parts or the circular parts and the ground is small, when drilling is needed, due to the fact that the contact area is too small, the phenomenon that half of the drilled hole slips or shifts easily occurs, the requirement on manpower for keeping the inclined drilling posture for a long time is high, and the accuracy and the speed of drilling are difficult to guarantee.
Disclosure of Invention
In order to solve the problems, the invention provides a disc type part drilling machine for side seam machining.
In order to achieve the purpose, the invention is realized by the following technical scheme: a disc type part drilling machine for side seam machining structurally comprises vertical hanging columns, a drilling motor, manual adjusting handles, speed regulators, advancing sliding barrels, a drilling head and a seam adjusting device, wherein the vertical hanging columns are connected above the drilling motor through threads, the manual adjusting handles are provided with two manual adjusting handles and are arranged on the left side and the right side of the drilling motor, the speed regulators are nested below the drilling motor, the advancing sliding barrels are fixed with the speed regulators through screws, the drilling head is welded below the advancing sliding barrels, the seam adjusting device is nested below the drilling head, the seam adjusting device is composed of meshing screw barrels, vertical fixing frames, centering structures, a pushing spring frame, side sliding ports and side position adjusting devices, the vertical fixing frames are nested below the drilling head, the meshing screw barrels are mutually attached to the tops inside the vertical fixing frames, and the side position adjusting devices are distributed on the outer surfaces of the meshing screw barrels, the side sliding port is located on the right side of the vertical fixing frame, the bullet pushing frame is installed on the right lower corner inside the vertical fixing frame, and the core structure is in clearance fit with the left side of the bullet pushing frame.
As a further improvement of the invention, the meshing screw barrel is composed of a through pressing culvert piece, four outer sticking rings, an inner compression head and an outer compression ring, the outer sticking rings are positioned on the inner side of the side position adjusting device, the through pressing culvert pieces are in clearance fit with the inner sides of the outer sticking rings, the inner compression head is arranged on the inner sides of the through pressing culvert pieces and are mutually stuck, and the outer compression rings are distributed on the inner sides of the inner compression head.
As a further improvement of the invention, the outer extrusion ring is composed of a gradual change cone, clamping nail heads, a matching rubber sheet and a puncture ring sheet, the gradual change cone is nested inside the inner compression head, the puncture ring sheet is in clearance fit at the bottom of the gradual change cone, the clamping nail heads are provided with more than two and are uniformly distributed at two ends of the inner side of the clamping nail heads at equal intervals, and the matching rubber sheet is positioned between the two clamping nail heads.
As a further improvement of the invention, the side position adjusting device comprises a string pulling buckle, a suction buckle, a deformation ring and a string abutting column, wherein the deformation ring is attached to the inner side of the vertical fixing frame, the string pulling buckle is uniformly distributed on the inner side of the deformation ring at equal intervals, the string abutting column is in clearance fit with the inner side of the string pulling buckle, the suction buckle and the string abutting column are fixed together through screws, and the suction buckle and the gradual change cone are attached to each other.
As a further improvement of the invention, the centering structure comprises a centering ring cylinder, a sliding channel, an extrusion head and a hollowed-out channel, wherein the sliding channel is in clearance fit with the inner side of the hollowed-out channel, the hollowed-out channel is positioned at the bottom of the vertical fixing frame, the extrusion head is attached to the left side of the bullet pushing frame, and the centering ring cylinder is nested on the left side of the extrusion head.
As a further improvement of the invention, the centering ring cylinder comprises a centering rod, a swinging rod, ground attaching pieces, tensioning pieces, a connecting rod and a connecting joint, wherein the connecting rod is connected with the extrusion head through threads, the connecting joint is arranged on the left side of the connecting rod, the tensioning pieces are fixed above and below the connecting joint through screws, the swinging rod is positioned on the left sides of the tensioning pieces and the connecting joint, the axes of the centering rod and the swinging rod are collinear, and the ground attaching pieces are uniformly distributed on the outer surfaces of the ground attaching pieces at equal intervals.
As a further improvement of the invention, the matching films are distributed between every two puncture ring pieces, so that the matching films are contacted with the advancing slide cylinder after the puncture ring pieces are extruded by the advancing slide cylinder and the drilling head, and the pressure on the puncture ring pieces is shared in a matching way, so that the advancing slide cylinder can be better fixed, the stability is better when holes are dug on the edge, and the dug holes cannot be influenced by larger vibration.
As a further improvement of the invention, the connecting joint is tightly pulled by the tensioning sheet and can be automatically expanded, the connecting rod and the connecting joint can be ensured to follow the action when the swinging rod rotates, the rotating centrifugal force is converted into elastic potential energy, and the stable operation of the whole rotating process is ensured.
The invention has the beneficial effects that: the drilling machine can incline equipment after the equipment is fixed by the inside or the outside of a part through installing the side position adjusting device, and can accurately drill a target position after the equipment is properly inclined according to the drilling position, and can drill a whole circular surface by taking the circle center of the part as a fixed point, so that the drilling precision and the drilling speed are improved.
The engagement screw cylinder, the side position adjusting device and the centering structure are combined, when equipment is ready to incline, the advancing sliding cylinder and the drilling head can be tightly clamped through the clamping nail head and the matching rubber sheet to prevent the advancing sliding cylinder and the drilling head from shifting or shifting during drilling, the gradual change cone cylinder is tightly fixed in a smaller range through the string pulling buckle, the suction buckle and the string propping column, the inclining effect of the equipment is more stable, the other edge intersection parts of the whole disc type part can be drilled through the positioning effect of the central centering rod, all the edge intersection parts of the whole disc can be drilled without secondary alignment, and the switching speed and the whole drilling efficiency are improved.
Drawings
Fig. 1 is a schematic structural diagram of a disc type part drilling machine for side seam machining.
FIG. 2 is a schematic cross-sectional view of a crack adjusting device according to the present invention.
Fig. 3 is a schematic structural view of the engaging screw cylinder in a top view.
Fig. 4 is a schematic structural view of an external extrusion ring in front view according to the present invention.
Fig. 5 is a schematic top view of the lateral position adjusting device of the present invention.
Fig. 6 is a detailed structural diagram of the centering structure of the present invention.
Fig. 7 is a schematic top view of a centering ring cylinder according to the present invention.
In the figure: vertical suspension post-1, drilling motor-2, manual adjusting handle-3, speed regulator-4, forward sliding barrel-5, drilling head-6, crack adjusting device-7, meshing screw barrel-7 a, vertical fixing frame-7 b, centering structure-7 c, ejection pushing frame-7 d, side sliding opening-7 e, side position adjusting device-7 f, through pressing culvert piece-7 a1, outer sticking ring-7 a2, inner compression head-7 a3, outer pressing ring-7 a4, gradual change cone-a 41, clamping nail head-a 42, matching rubber piece-a 43, puncturing ring piece-a 44, string pulling buckle-7 f1, suction buckle-7 f2, deformation ring-7 f3, string resisting post-7 f4, centering ring barrel-7 c1, sliding channel-7 c2, pressing head-7 c3, Hollow-out channel-7 c4, core-fixing rod-c 11, swinging rod-c 12, ground-sticking piece-c 13, tensioning piece-c 14, connecting rod-c 15 and connecting joint-c 16.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, fig. 1 to 7 schematically show the structure of a crack adjusting device according to an embodiment of the present invention, and the present invention will be further described with reference to the following embodiments.
Example one
Referring to fig. 1-5, the invention provides a disc type part drilling machine for side seam processing, which structurally comprises a vertical suspension column 1, adrilling motor 2, a manual adjusting handle 3, aspeed regulator 4, a forward slidingcylinder 5, adrilling head 6 and a seam adjusting device 7, wherein the vertical suspension column 1 is connected above thedrilling motor 2 through threads, the manual adjusting handle 3 is provided with two parts and is arranged at the left side and the right side of thedrilling motor 2, thespeed regulator 4 is nested below thedrilling motor 2, the forward slidingcylinder 5 and thespeed regulator 4 are fixed together through screws, thedrilling head 6 is welded below the forward slidingcylinder 5, the seam adjusting device 7 is nested below thedrilling head 6, the seam adjusting device 7 is composed of an engaging screw cylinder 7a, avertical fixing frame 7b, a centering structure 7c, abullet pushing frame 7d, aside sliding port 7e and a sideposition adjusting device 7f, thevertical fixing frame 7b is nested below thedrilling head 6, the engaging screw cylinder 7a is attached to the top of the inside of thevertical fixing frame 7b, the sideposition adjusting devices 7f are distributed on the outer surface of the engaging screw cylinder 7a, the sidesliding port 7e is located on the right side of thevertical fixing frame 7b, theprojectile pushing frame 7d is installed on the lower right corner of the inside of thevertical fixing frame 7b, and the core structure 7c is in clearance fit with the left side of theprojectile pushing frame 7 d. The meshing screw barrel 7a is composed of a through pressing culvert piece 7a1, an outer attaching ring 7a2, an inner compression head 7a3 and an outer pressing ring 7a4, wherein the outer attaching ring 7a2 is positioned on the inner side of the sideposition adjusting device 7f, the four through pressing culvert pieces 7a1 are arranged and are in clearance fit on the inner side of the outer attaching ring 7a2, the inner compression head 7a3 is arranged on the inner side of the through pressing culvert piece 7a1 and are attached to each other, and the outer pressing ring 7a4 is distributed on the inner side of the inner compression head 7a 3. The outer extrusion ring 7a4 comprises a gradual change cone cylinder a41, a clamping nail head a42, a matching film a43 and a puncture ring sheet a44, wherein the gradual change cone cylinder a41 is nested on the inner side of an inner compression head 7a3, the puncture ring sheet a44 is in clearance fit with the bottom of the gradual change cone cylinder a41, the clamping nail head a42 is provided with more than two and is uniformly distributed at the two ends of the inner side of the clamping nail head a42 at equal intervals, and the matching film a43 is located between the two clamping nail heads a 42. Lateralposition adjusting device 7f is buckled 7f1, actuation and is detained 7f2, is out of shape circle 7f3, is supported chord column 7f4 and constitutes, the inboard of circle 7f3 and perpendicularsolid frame 7b of warping is laminated each other, draw the even distribution of chord column 7f1 equidistance in the inboard that is out of shape circle 7f3, support chord column 7f4 clearance fit in the inboard of drawing chord column 7f1, actuation is detained 7f2 and is supported chord column 7f4 and pass through the fix with screw together, actuation detains 7f2 and gradually changes awl a41 and laminates each other. The matching film a43 is distributed between every two puncture ring pieces a44, and can be extruded by the forward slidingbarrel 5 and thedrilling head 6 after the puncture ring pieces a44 are extruded, so that the matching film a43 is contacted with the forward slidingbarrel 5, and the puncture ring pieces a44 are matched and shared to bear pressure, so that the forward slidingbarrel 5 can be better fixed, the stability is better when holes are dug in the edge, and the dug holes cannot be influenced by larger vibration.
When in use, the whole equipment is conveyed to the side of a disc part or a circular part, whether the equipment is installed inside or outside is determined according to the size of the part, thevertical fixing frame 7b is fixed, then the directions of thedrilling motor 2 and thespeed regulator 4 are adjusted to incline, the advancing slidingcylinder 5 and thedrilling head 6 slide along the gradual change cone cylinder a41 and are extruded to all the clamping nail heads a42 and the matching films a43, the advancing slidingcylinder 5 is tightly clamped, the string pulling buckle 7f1 pushes left and right to tightly clamp the gradual change cone cylinder a41 through the propping string column 7f4 and the suction buckle 7f2, the suction buckle 7f2 on the right side retracts, the suction buckle 7f2 on the left side extends forwards to incline the whole advancing slidingcylinder 5 and thedrilling head 6, and the whole advancing slidingcylinder 5 and thedrilling head 6 gradually retract along with the compression piece 7a1 and the inner compression head 7a3, the puncture ring sheet a44 is penetrated and slides out through theside sliding port 7e, the cross section of the puncture ring sheet a44 can be stably positioned at the position where the puncture ring sheet a44 is jointed with the ground, the puncture ring sheet a44 is positioned more firmly without being held by a person at all, and the puncture ring sheet a44 saves more labor.
Example two
Referring to fig. 6-7, the centering structure 7c includes a centering ring tube 7c1, a sliding channel 7c2, an extrusion head 7c3, and a hollow channel 7c4, the sliding channel 7c2 is in clearance fit with the inner side of the hollow channel 7c4, the hollow channel 7c4 is located at the bottom of thevertical fixing frame 7b, the extrusion head 7c3 is attached to the left side of theprojectile pushing frame 7d, and the centering ring tube 7c1 is nested on the left side of the extrusion head 7c 3. The centering ring tube 7c1 is composed of a centering rod c11, a swinging rod c12, a ground contact piece c13, a tension piece c14, a communication rod c15 and a connecting joint c16, the communication rod c15 is connected with the extrusion head 7c3 through threads, the connecting joint c16 is installed on the left side of the communication rod c15, the tension piece c14 is fixed on the upper side and the lower side of the connecting joint c16 through screws, the swinging rod c12 is located on the left sides of the tension piece c14 and the connecting joint c16, the centering rod c11 is collinear with the axis of the swinging rod c12, and the ground contact pieces c13 are uniformly distributed on the outer surface of the ground contact piece c13 at equal intervals. The tension sheet c14 tightly pulls the connecting joint c16 and can automatically expand, when the swinging rod c12 rotates, the connecting rod c15 and the connecting joint c16 can be ensured to follow the action, the rotating centrifugal force is converted into elastic potential energy, and the smooth operation of the whole rotating process is ensured.
When drilling is needed to be performed on other intersection positions of the disc type part, the centering ring tube 7c1 and the sliding channel 7c2 drive the sliding channel 7c2 to slide in the hollow channel 7c4 until the position of the circle center of the disc type part is reached, the ground attaching piece c13 is attached to the ground, the communication rod c15 is lengthened, and the equipment connected with the communication rod c15 rotates along the position of the swinging rod c12 to enable the equipment to rotate to other positions of the intersection position of the cross section of the disc type part and the ground.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a disk part drilling machine of side joint processing, its structure includes perpendicular davit (1), bores driving motor (2), manual accent (3), speed regulator (4), the slide cartridge (5) that advances, drilling head (6), crack adjusting device (7), its characterized in that:
the vertical suspension posts (1) are connected above the drilling motor (2) through threads, two manual adjusting handles (3) are arranged and are installed on the left side and the right side of the drilling motor (2), the speed regulators (4) are nested below the drilling motor (2), the advancing sliding cylinder (5) and the speed regulators (4) are fixed together through screws, the drilling head (6) is welded below the advancing sliding cylinder (5), and the crack adjusting device (7) is nested below the drilling head (6);
the seam adjusting device (7) is composed of an engagement screw cylinder (7a), a vertical fixing frame (7b), a centering structure (7c), a cartridge pushing frame (7d), a side sliding opening (7e) and a side position adjusting device (7f), the vertical fixing frame (7b) is embedded below the drilling head (6), the engagement screw cylinder (7a) and the top of the vertical fixing frame (7b) are mutually attached, the side position adjusting device (7f) is distributed on the outer surface of the engagement screw cylinder (7a), the side sliding opening (7e) is located on the right side of the vertical fixing frame (7b), the cartridge pushing frame (7d) is installed on the lower right corner of the vertical fixing frame (7b), and the core structure (7c) is in clearance fit with the left side of the cartridge pushing frame (7 d).
2. The side-sewing disk type part drilling machine according to claim 1, wherein: the meshing screw barrel (7a) is composed of a through pressing containing piece (7a1), an outer sticking ring (7a2), an inner compression head (7a3) and an outer pressing ring (7a4), wherein the outer sticking ring (7a2) is located on the inner side of a side position adjusting device (7f), the through pressing containing piece (7a1) is provided with four and is in clearance fit with the inner side of the outer sticking ring (7a2), the inner compression head (7a3) is arranged on the inner side of the through pressing containing piece (7a1) and is mutually attached, and the outer pressing ring (7a4) is distributed on the inner side of the inner compression head (7a 3).
3. The side-sewing disk type part drilling machine according to claim 2, wherein: outer extrusion ring (7a4) comprises gradual change awl section of thick bamboo (a41), chucking pin head (a42), cooperation film (a43), puncture ring piece (a44), the inboard of compression head (7a3) including gradual change awl section of thick bamboo (a41) nestification, puncture ring piece (a44) clearance fit is in the bottom of gradual change awl section of thick bamboo (a41), chucking pin head (a42) are equipped with more than two and the even distribution of equidistance at the inboard both ends of chucking pin head (a42), cooperation film (a43) are located the centre of two pin head chucking (a 42).
4. The side-sewing disk type part drilling machine according to claim 1, wherein: side position adjusting device (7f) is detained (7f1), suction by drawing the string, closes and detains (7f2), is out of shape circle (7f3), supports string post (7f4) and constitutes, it laminates each other with the inboard of perpendicular solid frame (7b) to warp circle (7f3), draw the even distribution of string knot (7f1) equidistance in the inboard that is out of shape circle (7f3), support string post (7f4) clearance fit in the inboard that draws string knot (7f1), suction closes and detains (7f2) and supports string post (7f4) and pass through the screw fixation together, suction closes and detains (7f2) and gradually change awl section of thick bamboo (a41) and laminates each other.
5. The side-sewing disk type part drilling machine according to claim 1, wherein: centering structure (7c) comprises centering ring section of thick bamboo (7c1), slip way (7c2), extrusion head (7c3), fretwork way (7c4), slip way (7c2) clearance fit is in the inboard of fretwork way (7c4), fretwork way (7c4) are located the bottom of perpendicular solid frame (7b), extrusion head (7c3) laminating is in the left side of pushing away bullet frame (7d), centering ring section of thick bamboo (7c1) nestification is in the left side of extrusion head (7c 3).
6. The side-sewing disk type part drilling machine according to claim 5, wherein: the centering ring barrel (7c1) is composed of a centering rod (c11), a swinging rod (c12), a ground-contacting sheet (c13), a tensioning sheet (c14), a communication rod (c15) and a connecting joint (c16), the communication rod (c15) is connected with the extrusion head (7c3) through threads, the connecting joint (c16) is installed on the left side of the communication rod (c15), the tensioning sheet (c14) is fixed above and below the connecting joint (c16) through screws, the swinging rod (c12) is located on the left side of the tensioning sheet (c14) and the connecting joint (c16), the centering rod (c11) is collinear with the shaft center of the swinging rod (c12), and the ground-contacting sheets (c13) are uniformly distributed on the outer surface of the ground-contacting sheet (c13) at equal intervals.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024538.1ACN111168118B (en) | 2020-01-10 | 2020-01-10 | Disk part drilling machine of side seam processing |
| CN202011544229.3ACN113102800A (en) | 2020-01-10 | 2020-01-10 | Drilling machine and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024538.1ACN111168118B (en) | 2020-01-10 | 2020-01-10 | Disk part drilling machine of side seam processing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011544229.3ADivisionCN113102800A (en) | 2020-01-10 | 2020-01-10 | Drilling machine and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111168118Atrue CN111168118A (en) | 2020-05-19 |
| CN111168118B CN111168118B (en) | 2021-06-01 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010024538.1AExpired - Fee RelatedCN111168118B (en) | 2020-01-10 | 2020-01-10 | Disk part drilling machine of side seam processing |
| CN202011544229.3AWithdrawnCN113102800A (en) | 2020-01-10 | 2020-01-10 | Drilling machine and operation method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011544229.3AWithdrawnCN113102800A (en) | 2020-01-10 | 2020-01-10 | Drilling machine and operation method |
Country Status (1)
| Country | Link |
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| CN (2) | CN111168118B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE20111644U1 (en)* | 2001-07-13 | 2001-10-18 | Paulke, Gabor, 24118 Kiel | Drilling machine for mains and battery operation |
| CN101300110A (en)* | 2005-11-04 | 2008-11-05 | 罗伯特·博世有限公司 | Articulating drill with integrated circuit board and method of operation |
| JP2009066722A (en)* | 2007-09-14 | 2009-04-02 | Hitachi Koki Co Ltd | Power tools |
| CN202779935U (en)* | 2012-09-10 | 2013-03-13 | 申科滑动轴承股份有限公司 | Drilling supporting device for electric hand drill |
| CN103252759A (en)* | 2012-02-15 | 2013-08-21 | 喜利得股份公司 | Hand-held tool equipment |
| CN105081404A (en)* | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Elastic bending reset positioning device for drilling of hand drill bit |
| CN110153470A (en)* | 2018-01-24 | 2019-08-23 | 来安县祥瑞机电科技有限责任公司 | A kind of perforating device convenient for adjusting punching angle |
- 2020
- 2020-01-10CNCN202010024538.1Apatent/CN111168118B/ennot_activeExpired - Fee Related
- 2020-01-10CNCN202011544229.3Apatent/CN113102800A/ennot_activeWithdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20111644U1 (en)* | 2001-07-13 | 2001-10-18 | Paulke, Gabor, 24118 Kiel | Drilling machine for mains and battery operation |
| CN101300110A (en)* | 2005-11-04 | 2008-11-05 | 罗伯特·博世有限公司 | Articulating drill with integrated circuit board and method of operation |
| JP2009066722A (en)* | 2007-09-14 | 2009-04-02 | Hitachi Koki Co Ltd | Power tools |
| CN103252759A (en)* | 2012-02-15 | 2013-08-21 | 喜利得股份公司 | Hand-held tool equipment |
| CN202779935U (en)* | 2012-09-10 | 2013-03-13 | 申科滑动轴承股份有限公司 | Drilling supporting device for electric hand drill |
| CN105081404A (en)* | 2015-09-15 | 2015-11-25 | 沈阳飞机工业（集团）有限公司 | Elastic bending reset positioning device for drilling of hand drill bit |
| CN110153470A (en)* | 2018-01-24 | 2019-08-23 | 来安县祥瑞机电科技有限责任公司 | A kind of perforating device convenient for adjusting punching angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113102800A (en) | 2021-07-13 |
| CN111168118B (en) | 2021-06-01 |
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