CN112296390B - Electric drill structure convenient for drilling inclined hole - Google Patents
Electric drill structure convenient for drilling inclined hole Download PDFInfo
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- CN112296390B CN112296390B CN202011235865.8A CN202011235865A CN112296390B CN 112296390 B CN112296390 B CN 112296390B CN 202011235865 A CN202011235865 A CN 202011235865A CN 112296390 B CN112296390 B CN 112296390B
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 239000004579 marble Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 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 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
Abstract
The invention discloses an electric drill structure convenient for drilling inclined holes, which comprises a bottom frame plate, an adjusting threaded rod, a transition connecting rod, a motor base device, a speed change mechanism and a motor device, wherein the speed change mechanism is arranged on the motor device, the motor device is arranged on the motor base device, the motor base device is rotatably connected with the bottom frame plate, the adjusting threaded rod is arranged on the bottom frame plate in a sliding manner, and two ends of the transition connecting rod are respectively connected to the bottom frame plate and the motor base device. The invention provides an electric drill structure convenient for drilling inclined holes, which can be used for drilling holes at different angles, is simple to operate and accurate in drilling angle, can perform automatic drilling operation after the depth is set, is simpler to operate, greatly improves the labor intensity of operators and guarantees the personal safety of the operators.
Description
Technical Field
The invention relates to the technical field of electric drills, in particular to an electric drill structure convenient for drilling inclined holes.
Background
In the current life and production, the electric drill has the function of lifting the weight, holes in various places can not be opened, but inclined holes are abnormally difficult to drill in normal use, the relative positions of the drilled holes are often inaccurate, and the inclined holes are difficult to apply force, so that a drill bit is broken due to uneven application of force, and operators are injured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the electric drill structure convenient for drilling the inclined hole.
In order to solve the technical problems, the invention is solved by the following technical scheme: electric drill structure convenient to beat inclined hole, including chassis board, adjusting threaded rod, excessive connecting rod, motor base device, speed change mechanism, motor device, first compression spring, second compression spring and spring lockpin, speed change mechanism sets up motor device is last, motor device sets up motor base device is last, motor base device rotates with the chassis board to be connected, adjusting threaded rod slides and sets up on the chassis board, excessive connecting rod both ends are connected respectively on adjusting threaded rod and the motor base device.
Adjusting threaded rod includes first threaded rod and first joint, the chassis board includes bottom plate, rotation center axle, bottom plate regulating plate and motor pedestal mounting notch, the last first threaded rod of adjusting threaded rod slides and sets up on the bottom plate regulating plate of chassis board be provided with lock nut on the first threaded rod, and on the both sides of bottom plate regulating plate.
The transition connecting rod comprises a first rotating shaft, a first connecting rod and a second rotating shaft, the motor base device comprises a connecting rod connecting hole, a central shaft hole, a first guide pillar, a second guide pillar, a rack, an unlocking groove hole, a depth adjusting plate and a depth adjusting shaft, the central shaft hole in the motor base device is connected with a rotating central shaft in a rotating matching mode on the bottom frame plate, the motor base device is arranged on a motor base mounting notch of the bottom frame plate, the first rotating shaft in the transition connecting rod is connected with a hole in a first joint in a rotating mode, and the second rotating shaft in the transition connecting rod is connected with the connecting rod connecting hole in the motor base device in a rotating mode.
The motor base device has the advantages that when the adjusting threaded rod is moved forwards and backwards, the first rotating shaft of the transition connecting rod moves back and forth on the axis of the adjusting threaded rod in a linkage mode, so that the relative position of the second rotating shaft of the transition connecting rod is changed, and the chassis plate is rotatably connected with the motor base device, so that the angle between the chassis plate and the motor base device is changed while the relative position of the second rotating shaft of the transition connecting rod is changed, and the purpose of changing the angle is achieved.
The motor device comprises a lifting sliding plate, a rotating motor body, a first bevel gear, a speed change mechanism mounting groove, a first spring pin hole and a second spring pin hole, wherein the lifting sliding plate is provided with a first guide hole and a second guide hole, which are respectively arranged on a first guide post and a second guide post of the motor base device in a sliding way, the first spring pin hole and the second spring pin hole are both provided with spring lock pins, the speed change mechanism comprises a second bevel gear, a gearbox, a sliding guide plate, a hemisphere locking hole, a first flat gear and an unlocking shaft, the sliding guide plate is arranged on the mounting groove of the speed change mechanism in a sliding manner, the first pinion is meshed with the rack on the motor base device, the unlocking shaft is arranged on the unlocking slotted hole of the motor base device in a sliding mode, and the depth adjusting shaft is arranged on the depth adjusting plate in a sliding mode and is located right below the unlocking shaft.
In the above technical solution, preferably, the inside of the transmission case is in gear fit connection, the upper rotating speed of the second bevel gear is reduced by several times and then transmitted to the first bevel gear, and the rotating direction is not changed.
The drilling machine has the beneficial effects that the rotating speed transmitted by the motor is slowed down, so that the speed of descending and drilling is slowed down, and dangerous events caused by too fast descending are effectively avoided.
In the above technical solution, preferably, when the hemispherical locking hole is aligned with the second spring pin hole, the second bevel gear is engaged with the first bevel gear, and when the hemispherical locking hole is aligned with the first spring pin hole, the second bevel gear is disengaged from the first bevel gear.
In the above technical scheme, preferably, the spring lock pin includes a third compression spring, a marble and a threaded outer cover, the marble and the third compression spring are both slidably disposed in the threaded outer cover, and two ends of the third compression spring respectively abut against bottoms of the marble and the threaded outer cover.
The device has the advantages that the limiting force can be provided, when the second bevel gear is meshed with the first bevel gear, the gear cannot be matched and separated due to the influence of a tiny stress, and after the second bevel gear is separated from the first bevel gear, the limiting force is given, so that the second bevel gear is not re-meshed with the first bevel gear due to self gravity or a tiny stress change, and the use safety of the device is effectively ensured.
In the above technical solution, preferably, the first compression spring and the second compression spring are slidably disposed on the first guide post and the second guide post respectively, and two end faces of the first compression spring and the second compression spring respectively abut against a lower bottom surface of the lifting slide plate of the motor device and a guide post mounting plate of the motor base device.
Among the above-mentioned technical scheme, it is preferred, be provided with the angle calibrated scale on the chassis board, its and the cooperation of the angle reading line on the motor base device confirm angle data, be provided with the degree of depth scale mark on the degree of depth regulating plate, it confirms the degree of depth of punching with the degree of depth regulating shaft.
The advantage is that the angle and depth data can be referred to.
The invention has the beneficial effects that: the invention provides an electric drill structure convenient for drilling inclined holes, which can be used for drilling holes at different angles, is simple to operate and accurate in drilling angle, can perform automatic drilling operation after the depth is set, is simpler to operate, greatly improves the labor intensity of operators and guarantees the personal safety of the operators. Drawings
Fig. 1 is a first overall structural schematic diagram of the present invention.
Fig. 2 is a second overall structural schematic diagram of the present invention.
Fig. 3 is a schematic structural view of the slide hole punching mechanism of the present invention.
Fig. 4 is a schematic view of a motor base device according to the present invention.
Fig. 5 is a side view of the motor base assembly of the present invention.
Fig. 6 is a schematic view of the shifting mechanism of the present invention.
FIG. 7 is a schematic view of the apparatus of the present invention.
FIG. 8 is a schematic view of the spring lock pin of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-8, the electric drill structure convenient for drilling the inclined hole comprises a bottom frame plate 1, an adjusting threaded rod 2, an excessive connecting rod 3, a motor base device 4, a speed change mechanism 5, a motor device 6, a first compression spring 7, a second compression spring 9 and a spring lock pin 8, wherein the motor base device 4 is rotatably connected with the bottom frame plate 1, the motor device 6 is arranged on the motor base device 4, the speed change mechanism 5 is arranged on the motor device 6, two ends of the excessive connecting rod 3 are rotatably connected with the adjusting threaded rod 2 and the motor base device 4, and the adjusting threaded rod 2 is slidably arranged on the bottom frame plate 1.
The base plate 1 comprises a bottom plate 11, a rotating central shaft 12, a bottom plate adjusting plate 13 and a motor base mounting notch 14, the adjusting threaded rod 2 comprises a first threaded rod 21 and a first joint 22, the transition connecting rod 3 comprises a first rotating shaft 31, a first connecting rod 33 and a second rotating shaft 32, the motor base device 4 comprises a connecting rod connecting hole 41, a central shaft hole 42, a first guide pillar 43, a second guide pillar 44, a rack 45, an unlocking slotted hole 46, a depth adjusting plate 47 and a depth adjusting shaft 48, the first threaded rod 21 is provided with two locking nuts 15, the first threaded rod 21 on the adjusting threaded rod 2 is slidably arranged on the bottom plate adjusting plate 13 of the base plate 1, the two locking nuts 15 are arranged on two sides of the bottom plate adjusting plate 13, the motor base device 4 is arranged on the motor base mounting notch 14 of the base plate 1, and the central shaft hole 42 on the motor base device 4 is in rotating fit with the rotating central shaft 12 on the base plate 1 The first rotating shaft 31 of the transition link 3 is rotatably connected to the hole of the first joint 22, and the second rotating shaft 32 of the transition link 3 is rotatably connected to the link connecting hole 41 of the motor base unit 4.
The chassis plate 1 is rotatably connected with the motor base device 4, the transition connecting rod 3 is rotatably connected with the motor base device 4, the adjusting threaded rod 2 is slidably connected with the chassis plate 1 and rotatably connected with the transition connecting rod 3, the adjusting threaded rod 2 moves back and forth, and the first rotating shaft 31 of the transition connecting rod 3 moves back and forth on the axis of the adjusting threaded rod 2 in a linkage manner, so that the relative position of the second rotating shaft 32 of the transition connecting rod 3 is changed, and the angle between the chassis plate 1 and the motor base device 4 is changed while the relative position of the second rotating shaft 32 of the transition connecting rod 3 is changed due to the fact that the chassis plate 1 is rotatably connected with the motor base device 4 and the transition connecting rod 3 is rotatably connected with the motor base device 4, so that the purpose of changing the angle is achieved.
The speed change mechanism 5 comprises a second bevel gear 51, a gear box 52, a sliding guide plate 53, a hemisphere locking hole 56, a first flat gear 54 and an unlocking shaft 55, the motor device 6 comprises a lifting sliding plate 61, a rotating motor main body 62, a first bevel gear 63, a speed change mechanism mounting groove 64, a first spring pin hole 65 and a second spring pin hole 66, the sliding guide plate 53 is slidably disposed on the speed change mechanism mounting groove 64, the first flat gear 54 is engaged with the rack 45 on the motor base device 4, the unlocking shaft 55 is slidably disposed on the unlocking slot hole 46 of the motor base device 4, the depth adjusting shaft 48 is slidably disposed on the depth adjusting plate 47, and right below the unlocking shaft 55, the lifting sliding plate 61 is provided with a first guide hole 611 and a second guide hole 612, the first guide hole 611 is slidably disposed on the first guide post 43 of the motor base device 4, the second guide hole 612 is slidably disposed on the second guide post 44 of the motor base device 4, the first spring pin hole 65 and the second spring pin hole 66 are both provided with a spring lock pin 8, and the first bevel gear 63 and the drill bit 67 are respectively located at two ends of the motor body.
When the first bevel gear 63 is engaged with the second bevel gear 51, the motor rotates to drive the first bevel gear 63 to rotate, so that the second bevel gear 51 also rotates, power is transmitted to the first bevel gear 54 after the speed of the gearbox 52 is reduced, the motor device 6 and the speed change mechanism 5 are driven to move downwards simultaneously due to the engagement of the first bevel gear 54 and the rack 45, when the unlocking shaft 55 on the speed change mechanism 5 contacts the depth adjusting shaft 48, the motor device 6 continues to move downwards, the speed change mechanism 5 is blocked, so that the speed change mechanism 5 and the motor device 6 generate relative movement, the speed change mechanism 5 slides upwards along the speed change mechanism mounting groove 64 oppositely, the first bevel gear 63 is separated from the second bevel gear 51, the transmission of power is stopped, and the motor device 6 also stops moving downwards.
Preferably, the inside of the transmission case 52 is in gear fit connection, and the upper rotating speed of the second bevel gear 51 is reduced by several times and then transmitted to the first flat gear 54, and the rotating direction is not changed.
Wherein can slow down the rotational speed that the transmission of motor was come like this for the speed that descends to punch is slowed down, effectively avoids because of descending the dangerous incident that causes at the excessive speed.
Preferably, the second bevel gear 51 is engaged with the first bevel gear 63 when the hemispherical locking hole 56 is aligned with the second spring pin hole 66, and the second bevel gear 51 is disengaged from the first bevel gear 63 when the hemispherical locking hole 56 is aligned with the first spring pin hole 65.
Therefore, a limiting force can be provided, when the second bevel gear 51 is meshed with the first bevel gear 63, the gear matching and disengagement cannot be caused due to a tiny stress influence, and after the second bevel gear 51 is disengaged from the first bevel gear 63, a limiting force is given, so that the second bevel gear 51 is not re-meshed with the first bevel gear 63 due to self gravity or a tiny stress change, and the use safety of the equipment is effectively ensured.
Preferably, the spring lock pin 8 comprises a third compression spring 82, a marble 81 and a threaded housing 83, wherein the marble 81 and the third compression spring 82 are slidably disposed in the threaded housing 83, and two ends of the third compression spring 82 respectively abut against the bottoms of the marble 81 and the threaded housing 83.
Preferably, the first compression spring 7 and the second compression spring 9 are slidably disposed on the first guide post 43 and the second guide post 44, respectively, and both end surfaces thereof are respectively abutted against the lower bottom surface of the up-down sliding plate 61 of the motor device 6 and the guide post mounting plate of the motor base device 4.
Wherein, this can make the motor device 6 descend along the first guide post 43 and the second guide post 44 smoothly when the second bevel gear 51 is engaged with the first bevel gear 63, and when the first bevel gear 63 is disengaged from the second bevel gear 51, the whole motor device 6 can return to the starting point along the first guide post 43 and the second guide post 44 under the action of the compression spring.
Preferably, the chassis plate 1 is provided with an angle dial 16, and the depth adjusting plate 47 is provided with depth scale marks.
This allows, among other things, the control of both angle data and depth data.
The working principle or the using method is as follows:
the chassis plate 1 is rotatably connected with the motor base device 4, the transition connecting rod 3 is rotatably connected with the motor base device 4, the adjusting threaded rod 2 is slidably connected with the chassis plate 1 and rotatably connected with the transition connecting rod 3, so that the adjusting threaded rod 2 can move back and forth, and the first rotating shaft 31 of the transition connecting rod 3 can move back and forth on the axis of the adjusting threaded rod 2 in a linkage manner, so that the relative position of the second rotating shaft 32 of the transition connecting rod 3 can be changed, and the chassis plate 1 is rotatably connected with the motor base device 4, and the transition connecting rod 3 is rotatably connected with the motor base device 4, so that the angle between the chassis plate 1 and the motor base device 4 can be changed while the relative position of the second rotating shaft 32 of the transition connecting rod 3 is changed, thereby achieving the purpose of changing the angle.
The hemisphere locking hole 56 is aligned with the second spring pin hole 66 at the beginning, the first bevel gear 63 is engaged with the second bevel gear 51, the motor rotates to drive the first bevel gear 63 to rotate, so that the second bevel gear 51 also rotates, after the speed reduction through the gearbox 52, the power is transmitted to the first flat gear 54, the first flat gear 54 is engaged with the rack 45, so as to drive the motor device 6 and the speed change mechanism 5 to simultaneously move downwards along the first guide post 43 and the second guide post 44, when the unlocking shaft 55 on the speed change mechanism 5 contacts the depth adjusting shaft 48, the motor device 6 continues to move downwards due to inertia, the speed change mechanism 5 is blocked, so that the speed change mechanism 5 and the motor device 6 generate relative movement, correspondingly, the speed change mechanism 5 slides upwards along the speed change mechanism mounting groove 64, the hemisphere locking hole 56 is aligned with the first spring pin hole 65, the first bevel gear 63 is disengaged from the second bevel gear 51, the power transmission is stopped and the motor means 6 stops moving downwards, at which time the gear shift mechanism 5 and the motor means 6 move upwards along the first guide post 43 and the second guide post 44 under the action of the first compression spring 7 and the second compression spring 9, returning to the starting point, due to the lack of a downward force.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An electric drill structure convenient for drilling inclined holes comprises a bottom frame plate (1), an adjusting threaded rod (2), a transition connecting rod (3), a motor base device (4), a speed change mechanism (5), a motor device (6), a first compression spring (7), a second compression spring (9) and a spring lock pin (8), wherein the speed change mechanism (5) is arranged on the motor device (6), the motor device (6) is arranged on the motor base device (4), the motor base device (4) is rotationally connected with the bottom frame plate (1), the adjusting threaded rod (2) is slidably arranged on the bottom frame plate (1), and two ends of the transition connecting rod (3) are respectively connected to the adjusting threaded rod (2) and the motor base device (4);
the adjusting threaded rod (2) comprises a first threaded rod (21) and a first joint (22), the base plate (1) comprises a bottom plate (11), a rotating central shaft (12), a bottom plate adjusting plate (13) and a motor base mounting notch (14), the first threaded rod (21) on the adjusting threaded rod (2) is arranged on the bottom plate adjusting plate (13) of the base plate (1) in a sliding mode, a locking nut (15) is arranged on the first threaded rod (21), and the first threaded rod is arranged on two sides of the bottom plate adjusting plate (13);
the transition link (3) includes a first rotation shaft (31), a first link (33), and a second rotation shaft (32), the motor base device (4) comprises a connecting rod connecting hole (41), a central shaft hole (42), a first guide post (43), a second guide post (44), a rack (45), an unlocking slotted hole (46), a depth adjusting plate (47) and a depth adjusting shaft (48), a central shaft hole (42) on the motor base device (4) is connected with a rotating central shaft (12) on the bottom frame plate (1) in a rotating matching way, and the base device (4) is arranged on the motor base mounting notch (14) of the base plate (1), a first rotating shaft (31) on the transition connecting rod (3) is rotationally connected with a hole on the first joint (22), a second rotating shaft (32) on the transition connecting rod (3) is rotatably connected with a connecting rod connecting hole (41) on the motor base device (4);
the motor device (6) comprises a lifting sliding plate (61), a rotating motor body (62), a first bevel gear (63), a speed change mechanism mounting groove (64), a first spring pin hole (65) and a second spring pin hole (66), wherein the lifting sliding plate (61) is provided with a first guide hole (611) and a second guide hole (612) which are respectively arranged on a first guide post (43) and a second guide post (44) of a motor base device (4) in a sliding manner, the first spring pin hole (65) and the second spring pin hole (66) are respectively provided with a spring lock pin (8), the speed change mechanism (5) comprises a second bevel gear (51), a gearbox (52), a sliding guide plate (53), a hemisphere locking hole (56), a first flat gear (54) and an unlocking shaft (55), the sliding guide plate (53) is arranged on the speed change mechanism mounting groove (64) in a sliding manner, first pinion (54) with rack (45) meshing on the motor base device (4), unblock axle (55) slide to set up on the unblock slotted hole (46) of motor base device (4), degree of depth regulating shaft (48) slide to set up on degree of depth regulating plate (47), and under unblock axle (55).
2. The electric drill structure for facilitating the drilling of angled holes of claim 1, wherein: the inside of the gearbox (52) is in gear fit connection, the upper rotating speed of the second bevel gear (51) is reduced by multiple times and then is transmitted to the first flat gear (54), and the rotating direction is not changed.
3. The electric drill structure for facilitating the drilling of angled holes of claim 1, wherein: when the hemisphere locking hole (56) is aligned with the second spring pin hole (66), the second bevel gear (51) is meshed with the first bevel gear (63), and when the hemisphere locking hole (56) is aligned with the first spring pin hole (65), the second bevel gear (51) is disengaged from the first bevel gear (63).
4. The electric drill structure for facilitating the drilling of angled holes of claim 1, wherein: the spring lock pin (8) comprises a third compression spring (82), a marble (81) and a thread outer cover (83), the marble (81) and the third compression spring (82) are arranged in the thread outer cover (83) in a sliding mode, and two ends of the third compression spring (82) are respectively abutted to the bottoms of the marble (81) and the thread outer cover (83).
5. The electric drill structure for facilitating the drilling of angled holes of claim 1, wherein: the first compression spring (7) and the second compression spring (9) are respectively arranged on the first guide post (43) and the second guide post (44) in a sliding mode, and two end faces of the first compression spring and the second compression spring respectively abut against the lower bottom face of a lifting sliding plate (61) of the motor device (6) and a guide post mounting plate of the motor base device (4).
6. The electric drill structure for facilitating the drilling of angled holes of claim 1, wherein: be provided with angle calibrated scale (16) on chassis board (1), its and motor base device (4) on angle reading line (49) cooperation confirm angle data, be provided with the degree of depth scale mark on degree of depth regulating plate (47), it confirms the degree of depth of punching with degree of depth regulating shaft (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011235865.8A CN112296390B (en) | 2020-11-09 | 2020-11-09 | Electric drill structure convenient for drilling inclined hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011235865.8A CN112296390B (en) | 2020-11-09 | 2020-11-09 | Electric drill structure convenient for drilling inclined hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112296390A CN112296390A (en) | 2021-02-02 |
| CN112296390B true CN112296390B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235865.8A Active CN112296390B (en) | 2020-11-09 | 2020-11-09 | Electric drill structure convenient for drilling inclined hole |
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| CN (1) | CN112296390B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9532789B2 (en) * | 2012-11-14 | 2017-01-03 | British Columbia Cancer Agency Branch | Cannulated hammer drill attachment |
| JP2016209934A (en) * | 2015-04-28 | 2016-12-15 | 株式会社ジャロック | Boring device for long material |
| CN110548893A (en) * | 2019-09-07 | 2019-12-10 | 温州市飞博工程设计有限公司 | Automatic equidistant perforating device for machining plate-shaped workpiece |
| CN211192108U (en) * | 2019-10-25 | 2020-08-07 | 浙江昊龙电气有限公司 | Automatic drilling equipment of work piece |
| CN110899763B (en) * | 2019-12-09 | 2020-12-15 | 杨智萍 | Tapping device is stabilized to pipeline |
| CN211386997U (en) * | 2019-12-12 | 2020-09-01 | 天津移山工程机械有限公司 | Tooth rack type inclined hole drilling positioning tool |
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Denomination of invention: Electric drill structure for easy drilling of inclined holes Granted publication date: 20210713 Pledgee: Agricultural Bank of China, Wuyi County branch, Limited by Share Ltd. Pledgor: WUYI YATAI ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2024980003391 |
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