CN111531205A - Building construction drilling equipment - Google Patents
Building construction drilling equipment Download PDFInfo
- Publication number
- CN111531205A CN111531205A CN202010394003.3A CN202010394003A CN111531205A CN 111531205 A CN111531205 A CN 111531205A CN 202010394003 A CN202010394003 A CN 202010394003A CN 111531205 A CN111531205 A CN 111531205A
- Authority
- CN
- China
- Prior art keywords
- drilling
- ring
- dust collecting
- main body
- distance
- 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- Withdrawn
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Classifications
-
- 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
-
- 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
- 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
- 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
- B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
- B23B49/006—Attached to drilling machines
- B23B49/008—Attached to the nose of the drilling machines
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0071—Devices for removing chips dust collectors for hand tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a building construction drilling device, which comprises a device main body, wherein the device main body is fixedly connected with a first fixed plate and a second fixed plate, a drilling motor is fixedly connected on the second fixed plate, a rotating part of the drilling motor is connected with a drilling bit, a drilling distance regulating mechanism comprises a protective sleeve, the bottom end of the protective sleeve is connected with a first connecting magnetic ring, a second connecting magnetic ring is arranged on the second fixed plate, the inner side of the protective sleeve is connected with an elastic piece, the other end of the protective sleeve is connected with a connecting ring, the connecting ring is abutted against a butting plate, the butting plate is connected with a pushing threaded rod, the pushing ring is sleeved on the outer side of the device main body and is not connected with the device main body, a threaded groove is arranged in each fixed block, the device further comprises a distance limiting rod, one end of the distance limiting rod is connected with the first fixed plate, the other end of the distance limiting rod is, and the threaded bolts correspond to the distance limiting rods one by one.
Description
Technical Field
The invention relates to the field related to buildings, in particular to a drilling device for building construction.
Background
The building is a general name of buildings and structures, is an artificial environment created by people by utilizing mastered material technical means and applying certain scientific laws, wind and water concepts and aesthetic rules to meet the needs of social life, has various styles, is different under the constraints of politics, society, economy, building materials, building technology and the like of the times and the influence of building design ideas, viewpoints, artistic literacy and the like, and forms a specific Chinese architectural style by virtue of strict and symmetrical planes, clear domination, brick wall wood beam frame structures, eaves, dougons, algae wells, carving beam frames and the like in ancient palace buildings in China.
In the building process of present building, because the needs of construction, can carry out the operation of holing so that building engineering's implementation, now generally be that constructor holds the electric drill and carry out the operation of holing, under this kind of condition, constructor just can not carry out the control to the degree of depth of drilling, the too deep that can beat sometimes causes in addition, the not enough deep that can beat sometimes needs to do over again, will be very troublesome, so now urgently need one kind can make things convenient for constructor to know the construction drilling equipment of the degree of depth of holing.
Disclosure of Invention
The invention aims to provide a building construction drilling device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a building construction drilling device comprises a device main body, wherein the device main body is fixedly connected with a first fixing plate, the first fixing plate is fixedly connected with a first holding handle and a second holding handle, the device main body is also fixedly connected with a second fixing plate, a drilling motor is fixedly connected to the second fixing plate, a rotating part of the drilling motor is connected with a drilling bit, and the drilling distance regulating mechanism is further included; the drilling distance regulating mechanism comprises a protective sleeve, the bottom end of the protective sleeve is connected with a first connecting magnetic ring, a second connecting magnetic ring matched with the first connecting magnetic ring is fixedly connected to a second fixed plate, the inner side of the protective sleeve is connected with an elastic part, the other end of the protective sleeve is connected with a connecting ring, the connecting ring is abutted against a plurality of abutting plates, the abutting plates are all connected with a pushing threaded rod, the drilling distance regulating mechanism further comprises a pushing ring, the pushing ring is sleeved on the outer side of the device main body and is not connected with the device main body, the pushing ring is provided with a plurality of fixed blocks which are in one-to-one correspondence with the pushing threaded rods, thread grooves matched with the pushing threaded rod are arranged in the fixed blocks, the drilling distance regulating mechanism further comprises a plurality of distance limiting rods, one ends of the distance limiting rods are connected with the first fixed plate, the other ends of the distance limiting rods are connected with the second fixed plate, and the distance limiting, a plurality of all be provided with the scale mark on the distance limit pole, still include the distance adjustable ring, the distance adjustable ring cover is established in the outside of a plurality of distance limit poles, still include a plurality ofly with the threaded bolt of distance limit pole one-to-one, the equipartition has a plurality ofly and threaded bolt complex screw hole on the distance limit pole.
As a further scheme of the invention: the first holding handle and the second holding handle are arranged perpendicularly to each other.
As a still further scheme of the invention: and the magnetism of the first connecting magnetic ring is opposite to that of the second connecting magnetic ring.
As a still further scheme of the invention: the material of protective sheath is polyvinyl chloride, elasticity spare is the spring.
As a still further scheme of the invention: the number of the abutting plate pieces is four, and the abutting plate pieces are evenly distributed on the end face of the connecting ring, and the number of the distance limiting rods is four, and the distance limiting rods are evenly distributed between the first fixing plate and the second fixing plate.
As a still further scheme of the invention: the dust collection device is characterized in that a dust collection mechanism is arranged in the device main body and comprises a dust collection pump, the dust collection pump is fixedly connected with the device main body through a first connecting rod, one end of the dust collection pump is connected with a dust collection opening through a dust collection pipe, the other end of the dust collection pump is connected with a dust collection box through a dust collection pipe, the dust collection box is fixedly connected with the device main body through a second connecting rod, a first box door is arranged on the dust collection box, a second box door is arranged on the device main body, and a control handle is arranged on the.
As a still further scheme of the invention: the second box door is made of toughened glass.
Compared with the prior art, the invention has the beneficial effects that: the drilling distance control mechanism comprises a protective sleeve, when a user needs to replace a drilling bit, the connecting magnetic ring I and the connecting magnetic ring II are pulled apart by hand, the protective sleeve is connected with the connecting ring, the connecting ring is abutted against a plurality of abutting plate pieces, the abutting plate pieces are connected with a pushing threaded rod, the pushing ring is provided with a plurality of fixing blocks which correspond to the pushing threaded rods one by one, thread grooves matched with the pushing threaded rods are arranged in the fixing blocks, when the pushing threaded rods rotate to the bottom in the thread grooves, the abutting plate pieces are abutted against the connecting ring, when the drilling bit is required to be replaced, the pushing threaded rods rotate to turn down around the thread grooves, the drilling distance control mechanism also comprises a plurality of distance limiting rods, and the distance limiting rods are provided with scale marks, the device also comprises a distance adjusting ring, the distance adjusting ring is sleeved on the outer sides of the distance limiting rods and can move on the distance limiting rods, the distance adjusting ring also comprises a plurality of threaded bolts which correspond to the distance limiting rods one by one, a plurality of threaded holes matched with the threaded bolts are uniformly distributed on the distance limiting rods, a user moves the distance adjusting ring according to the scale marks before drilling operation, then the threaded bolts penetrate through the distance adjusting ring and are inserted into the threaded bolts, the distance adjusting ring is fixed, when drilling operation is carried out, the push ring is pushed to move along the distance limiting rods, the push ring is abutted against the distance adjusting ring when the user waits, the drilling depth is the required depth, when the user waits for next re-drilling, the user can adjust the drilling depth according to the requirement, a dust collecting mechanism is arranged in the device main body, the dust collecting mechanism comprises a dust collecting pump, one end of the dust collecting pump is connected, in addition one end is passed through the dust collecting tube and is connected with the dust collection box, and the dust that produces when the power effect of dust collecting pump will drill collects the dust collection box in, reduces the harm to constructor, and the building construction drilling equipment in this application both can control the degree of depth of drilling, avoids appearing the condition that the drilling is too dark or too shallow, can collect the dust that produces when drilling again, avoids producing harm to the human body, and the current drilling equipment of contrast has very big progress.
Drawings
Fig. 1 is a three-dimensional structure diagram of a drilling device for building construction.
Fig. 2 is a schematic sectional view of the drilling device for construction.
Fig. 3 is a schematic sectional view of a dust collecting mechanism in the drilling device for building construction.
In the figure: 1-push threaded rod, 2-butt plate, 3-protective sleeve, 4-drilling bit, 5-elastic member, 6-connecting ring, 7-fixing block, 8-push ring, 9-threaded bolt, 10-threaded hole, 11-control handle, 12-holding handle I, 13-fixing plate I, 14-holding handle II, 15-box door II, 16-distance limiting rod, 17-distance adjusting ring, 18-fixing plate II, 19-threaded groove, 20-scale line, 22-connecting magnetic ring I, 23-connecting magnetic ring II, 24-dust collecting port, 25-dust collecting pipe, 26-connecting rod I, 27-dust collecting pump, 28-drilling motor, 29-connecting rod II, 30-dust collecting box, 31-first door, 32-device body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, a drilling device for building construction includes a device main body 32, the device main body 32 is fixedly connected to a first fixing plate 13, the first fixing plate 13 is fixedly connected to a first holding handle 12 and a second holding handle 14, preferably, in the embodiment, the first holding handle 12 and the second holding handle 14 are vertically arranged, the first holding handle 12 and the second holding handle 14 are arranged to facilitate a user to hold the drilling device for building construction for drilling operation, the device main body 32 is further fixedly connected to a second fixing plate 18, a drilling motor 28 is fixedly connected to the second fixing plate 18, a rotating portion of the drilling motor 28 is connected to a drilling bit 4, the drilling bit 4 is driven to rotate by rotation of the drilling motor 28 for drilling operation, and the constructor can use the drilling bit 4 with a proper diameter as required, the drilling distance control mechanism is arranged, so that the depth of the drilled hole can be conveniently controlled by the constructor.
The specific form of the drilling distance adjusting and controlling mechanism is not limited, in this embodiment, preferably, the drilling distance adjusting and controlling mechanism includes a protective sleeve 3, in order to facilitate taking off the protective sleeve 3 and replacing the drilling bit 4, the bottom end of the protective sleeve 3 is connected with a first connecting magnetic ring 22, a second connecting magnetic ring 23 matched with the first connecting magnetic ring 22 is fixedly connected to the second fixing plate 18, the first connecting magnetic ring 22 and the second connecting magnetic ring 23 have opposite magnetism and have attraction force, when the user needs to replace the drilling bit 4, the user can tear the first connecting magnetic ring 22 and the second connecting magnetic ring 23 apart by hand, preferably, in this embodiment, the protective sleeve 3 is made of polyvinyl chloride, the inner side of the protective sleeve 3 is connected with the elastic member 5, the protective sleeve 3 is supported under the action of the elastic member 5, which is a protective function, the dustproof function can be achieved, the other end of the protective sleeve 3 is connected with the connecting ring 6, the connecting ring 6 can extrude the elastic member 5 under the action of force, in the embodiment, the elastic member 5 is preferably a spring, the connecting ring 6 is abutted against a plurality of abutting plate members 2, the abutting plate members 2 are abutted against the wall surface when drilling is conducted, preferably, in the embodiment, the number of the abutting plate members 2 is four and evenly distributed on the end surface of the connecting ring 6, the abutting plate members 2 are all connected with the pushing threaded rod 1, the dustproof protective sleeve further comprises a pushing ring 8, the pushing ring 8 is sleeved outside the device main body 32 and is not connected with the device main body 32, a plurality of fixing blocks 7 which correspond to the pushing threaded rods 1 one to one are arranged on the pushing ring 8, threaded grooves 19 matched with the pushing threaded rods 1 are arranged in the fixing blocks 7, when the push threaded rod 1 rotates to the bottom in the threaded groove 19, the butt plate 2 abuts against the connecting ring 6, when the drilling bit 4 is required to be replaced, the push threaded rod 1 rotates to rotate down around the threaded groove 19, the drill bit further comprises a plurality of distance limiting rods 16, one ends of the distance limiting rods 16 are connected with the first fixing plate 13, the other ends of the distance limiting rods are connected with the second fixing plate 18, the distance limiting rods 16 penetrate through the push ring 8, the push ring 8 can move on the distance limiting rods 16, the distance limiting rods 16 are provided with scale marks 20, a user can conveniently adjust the drilling distance, preferably, in the embodiment, the number of the distance limiting rods 16 is four, the distance limiting rods are evenly distributed between the first fixing plate 13 and the second fixing plate 18, the drill bit further comprises distance adjusting rings 17, the distance adjusting rings 17 are sleeved on the outer sides of the distance limiting rods 16 and can move on the distance adjusting rings, still include a plurality of and the screw bolt 9 of 16 one-to-ones of distance limit pole, the equipartition has a plurality ofly and screw bolt 9 complex screw holes 10 on the distance limit pole 16, the user is before carrying out the drilling operation, remove distance adjusting ring 17 as required according to scale mark 20, then pass screw bolt 9 distance adjusting ring 17 and insert and establish in screw bolt 9, fix distance adjusting ring 17, when carrying out the drilling operation, promote ring 8 and be promoted and remove along distance limit pole 16, wait to promote ring 8 and distance adjusting ring 17 butt, the drilling depth this moment is exactly the degree of depth that needs, wait to the time of redrilling next time, adjust as required can.
The working principle of the embodiment is as follows: the drilling distance control mechanism comprises a protective sleeve 3, when a user needs to replace a drilling bit 4, the connecting magnetic ring I22 and the connecting magnetic ring II 23 are pulled off by hand, the protective sleeve 3 is connected with a connecting ring 6, the connecting ring 6 is abutted against a plurality of abutting plate pieces 2, the plurality of abutting plate pieces 2 are all connected with a pushing threaded rod 1, the pushing ring 8 is further provided with a plurality of fixing blocks 7 corresponding to the plurality of pushing threaded rods 1 one by one, thread grooves 19 matched with the pushing threaded rod 1 are formed in the fixing blocks 7, when the pushing threaded rod 1 rotates to the bottom in the thread grooves 19, the abutting plate pieces 2 are abutted against the connecting ring 6, and when the drilling bit 4 is required to be replaced, the pushing threaded rod 1 rotates around the thread grooves 19, the drilling tool also comprises a plurality of distance limiting rods 16, scale marks 20 are arranged on the distance limiting rods 16, a distance adjusting ring 17 is further included, the distance adjusting ring 17 is sleeved on the outer sides of the distance limiting rods 16 and can move on the distance limiting rods, the distance limiting rods 16 are provided with a plurality of threaded bolts 9 in one-to-one correspondence, the distance limiting rods 16 are uniformly provided with a plurality of threaded holes 10 matched with the threaded bolts 9, a user moves the distance adjusting ring 17 according to the scale marks 20 before drilling operation is carried out, then the threaded bolts 9 penetrate through the distance adjusting ring 17 and are inserted into the threaded bolts 9 to fix the distance adjusting ring 17, when the drilling operation is carried out, the pushing ring 8 is pushed to move along the distance limiting rods 16 until the pushing ring 8 is abutted against the distance adjusting ring 17, the drilling depth is the required depth at the moment, and when the next re-drilling is carried out, and adjusting according to the requirement.
Example 2
In order to prevent dust generated during drilling from causing adverse effects on constructors, the embodiment is improved based on embodiment 1, and the improvement is that: the dust collecting mechanism is disposed in the device main body 32, the specific form of the dust collecting mechanism is not limited, in this embodiment, preferably, the dust collecting mechanism includes a dust collecting pump 27, the dust collecting pump 27 is fixedly connected with the device main body 32 through a first connecting rod 26, one end of the dust collecting pump 27 is connected with a dust collecting port 24 through a dust collecting pipe 25, the other end is connected with a dust collecting box 30 through a dust collecting pipe 25, the dust collecting box 30 is fixedly connected with the device main body 32 through a second connecting rod 29, a first door 31 is disposed on the dust collecting box 30, a user can process dust collected in the dust collecting box 30 through the first door 31, a second door 15 is disposed on the device main body 32, preferably, the second door 15 is made of tempered glass, the second door 15 is provided with a control handle 11, and the user can observe the inside of the drilling device for building construction through the second door 15, and the dust is treated through the second door 15.
The working principle of the embodiment is as follows: be provided with dust collection mechanism in the device main part 32, dust collection mechanism includes dust collection pump 27, and dust collection pump 27 one end is passed through the dust collection pipe 25 and is connected with collection dirt mouth 24, and the other end is passed through the dust collection pipe 25 and is connected with dust collection box 30, and the power effect of dust collection pump 27 reduces the harm to constructor in collecting dust collection box 30 that produces when will holing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The building construction drilling device comprises a device main body (32), and is characterized in that the device main body (32) is fixedly connected with a first fixing plate (13), the first fixing plate (13) is fixedly connected with a first holding handle (12) and a second holding handle (14), the device main body (32) is also fixedly connected with a second fixing plate (18), a drilling motor (28) is fixedly connected onto the second fixing plate (18), and a rotating part of the drilling motor (28) is connected with a drilling bit (4);
the drilling distance regulation and control mechanism comprises a protective sleeve (3), the bottom end of the protective sleeve (3) is connected with a first connecting magnetic ring (22), a second fixing plate (18) is fixedly connected with a second connecting magnetic ring (23) matched with the first connecting magnetic ring (22), the inner side of the protective sleeve (3) is connected with an elastic part (5), the other end of the protective sleeve (3) is connected with a connecting ring (6), the connecting ring (6) is abutted against a plurality of abutting plates (2), the abutting plates (2) are all connected with a pushing threaded rod (1), the drilling distance regulation and control mechanism further comprises a pushing ring (8), the pushing ring (8) is sleeved on the outer side of a device main body (32) and is not connected with the device main body (32), the pushing ring (8) is provided with a plurality of fixing blocks (7) corresponding to the pushing threaded rods (1) one by one, and threaded grooves (19) matched with the pushing threaded rods (1) are arranged in the fixing blocks (7), still include a plurality of distance limit pole (16), it is a plurality of distance limit pole (16) one end is connected with fixed plate (13), and one end is connected with fixed plate two (18) in addition, and is a plurality of distance limit pole (16) all pass and promote rotating ring (8), and is a plurality of all be provided with scale mark (20) on distance limit pole (16), still include distance adjustable ring (17), distance adjustable ring (17) cover is established in the outside of a plurality of distance limit pole (16), still includes a plurality of and thread bolt (9) of distance limit pole (16) one-to-one, the equipartition has a plurality ofly and thread bolt (9) complex screw hole (10) on distance limit pole (16).
2. The drilling device for building construction according to claim 1, wherein the first holding handle (12) and the second holding handle (14) are arranged perpendicular to each other.
3. The construction drilling device according to claim 1, wherein the first connecting magnetic ring (22) and the second connecting magnetic ring (23) are opposite in magnetism.
4. The drilling device for building construction according to claim 1, wherein the protective sleeve (3) is made of polyvinyl chloride, and the elastic member (5) is a spring.
5. The building construction drilling device according to claim 1, characterized in that the number of the abutting plate members (2) is four and evenly distributed on the end surface of the connecting ring (6), and the number of the distance limiting rods (16) is four and evenly distributed between the first fixing plate (13) and the second fixing plate (18).
6. The drilling device for building construction according to claim 1, wherein a dust collecting mechanism is arranged in the device main body (32), the dust collecting mechanism comprises a dust collecting pump (27), the dust collecting pump (27) is fixedly connected with the device main body (32) through a first connecting rod (26), one end of the dust collecting pump (27) is connected with the dust collecting port (24) through a dust collecting pipe (25), the other end of the dust collecting pump is connected with a dust collecting box (30) through the dust collecting pipe (25), the dust collecting box (30) is fixedly connected with the device main body (32) through a second connecting rod (29), a first box door (31) is arranged on the dust collecting box (30), a second box door (15) is arranged on the device main body (32), and a control handle (11) is arranged on the second door (15).
7. The drilling device for building construction according to claim 6, wherein the second box door (15) is made of tempered glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010394003.3A CN111531205A (en) | 2020-05-11 | 2020-05-11 | Building construction drilling equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010394003.3A CN111531205A (en) | 2020-05-11 | 2020-05-11 | Building construction drilling equipment |
Publications (1)
Publication Number | Publication Date |
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CN111531205A true CN111531205A (en) | 2020-08-14 |
Family
ID=71970849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010394003.3A Withdrawn CN111531205A (en) | 2020-05-11 | 2020-05-11 | Building construction drilling equipment |
Country Status (1)
Country | Link |
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CN (1) | CN111531205A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115122520A (en) * | 2022-06-16 | 2022-09-30 | 扬州黎明钻具有限公司 | Drilling rod positioning assistor special for drilling |
DE102021114137B3 (en) | 2021-06-01 | 2022-12-01 | Christian Pollner | ANTI-DRILL DEVICE |
-
2020
- 2020-05-11 CN CN202010394003.3A patent/CN111531205A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021114137B3 (en) | 2021-06-01 | 2022-12-01 | Christian Pollner | ANTI-DRILL DEVICE |
CN115122520A (en) * | 2022-06-16 | 2022-09-30 | 扬州黎明钻具有限公司 | Drilling rod positioning assistor special for drilling |
CN115122520B (en) * | 2022-06-16 | 2023-09-26 | 扬州黎明钻具有限公司 | Drill rod positioning aid special for drilling |
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Application publication date: 20200814 |
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