CN114310611A - Drill collar maintenance equipment for mine drilling machine - Google Patents
Drill collar maintenance equipment for mine drilling machine Download PDFInfo
- Publication number
- CN114310611A CN114310611A CN202111644372.4A CN202111644372A CN114310611A CN 114310611 A CN114310611 A CN 114310611A CN 202111644372 A CN202111644372 A CN 202111644372A CN 114310611 A CN114310611 A CN 114310611A
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- fixedly connected
- plate
- drill collar
- motor
- riser
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000012423 maintenance Methods 0.000 title claims abstract description 13
- 238000005498 polishing Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000002156 adsorbate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses drill collar maintenance equipment for a mine drilling machine, which comprises a bottom plate and a support fixed on the top of the bottom plate, wherein the top of the inner wall of the support is fixedly connected with a box body, the top of the inner wall of the box body is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a threaded rod. This drill collar maintenance of equipment for mine rig, surface threaded connection through the threaded rod has the slider, after the edulcoration of polishing to the surface, can carry out paining of lubricating oil to the drill collar surface, effectually maintain the drill collar, prolong its life, when polishing it or paint lubricating oil to it, can also be according to the thickness automatically regulated of drill collar, the adaptability preferred, top fixedly connected with frame through placing the board, can be spacing to it according to the size of drill collar, conveniently adapt to not unidimensional drill collar, the mode of motorization is operated, can save more manpower and time.
Description
Technical Field
The invention relates to the technical field of drill collar maintenance, in particular to drill collar maintenance equipment for a mine drilling machine.
Background
The drill collar is a circular ring for holding the drill bit, which can position the drill bit to a certain bearing in radial direction, the drilling machine is an engineering machine for drilling underground space, and is generally used in the fields of engineering investigation, oil investigation and exploitation, mineral exploration, municipal engineering construction, geological exploration, new energy exploitation and the like, the drilling machine is an engineering machine for drilling underground space in a broad sense, the drilling machine is a main machine for completing drilling construction and drives the drilling tool and the drill bit to drill towards deep part of stratum, and completes the auxiliary work of taking off the drilling tool and casing, replacing the drill bit and the like through the elevation view on the drilling machine, the drilling machine can be large outdoor water well, oil well and natural gas well drilling equipment or small equipment which can be moved by a single person, and the drilling machine can perform investigation and sampling on underground mineral deposits from the function and can also be used for installing underground production equipment, such as underground machines, instruments, The pipeline, the well and the like can be mobile equipment installed on a truck, a trailer and a rail from an installation carrier, and can also be fixed equipment installed on a land or offshore drilling platform.
After the drill collar used by the mine drilling machine works for a long time, more adsorbates are on the surface of the drill collar, the drill collar is not cleaned in time, the connection between the drill collar and the drill bit is affected, the friction is increased, the drill bit is easy to fall off, certain danger exists, the service life of the whole drill collar can be greatly shortened, and the manual cleaning effect of the drill collar is not good.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides drill collar maintenance equipment for a mine drilling machine, which solves the problems that the surface has more adsorbates, the connection between the surface and a drill bit is influenced due to untimely cleaning, the friction is increased, the drill bit is easy to fall off, certain dangerousness exists, the service life of the whole body is greatly shortened, and the effect of manually cleaning the drill collar is not good.
In order to achieve the purpose, the invention is realized by the following technical scheme: a drill collar maintenance device for a mine drilling machine comprises a bottom plate and a support fixed on the top of the bottom plate, wherein the top of the inner wall of the support is fixedly connected with a box body, the top of the inner wall of the box body is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a sliding block, two sides of the sliding block are respectively and fixedly connected with a first fixing plate and a second fixing plate, the top of the first fixing plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a transverse plate, one side of the bottom of the transverse plate is fixedly connected with a shell, a first polishing plate is arranged inside the shell, one side of the bottom of the shell is fixedly connected with a second polishing plate, the top of the second fixing plate is fixedly connected with a third motor, and the output end of the third motor is fixedly connected with a liquid storage tank, and one side fixedly connected with set casing of liquid reserve tank bottom, the inside of set casing is provided with the first riser to one side fixedly connected with second riser of set casing bottom, the top of bottom plate is rotated and is connected with the plectane, and the board is all placed through connecting plate fixedly connected with in the both sides of plectane.
Preferably, a first sliding rod is fixedly connected between two sides of the inner wall of the housing, the first polishing plate is connected to the surface of the first sliding rod in a sliding manner, and a first spring is fixedly connected between one side of the surface of the first sliding rod, which is located on the inner wall of the housing, and the side opposite to the first polishing plate.
Preferably, a second sliding rod is fixedly connected between two sides of the inner wall of the fixed shell, the first vertical plate is connected to the surface of the second sliding rod in a sliding mode, and a second spring is fixedly connected between one side, located on the inner wall of the fixed shell, of the surface of the second sliding rod and the side, opposite to the first vertical plate, of the side, located on the inner wall of the fixed shell, of the second sliding rod.
Preferably, one side intercommunication at liquid storage tank top has the oiling pipe to one side and the bottom of liquid storage tank all communicate there is the hose, two the hose is linked together with one side of riser and second riser respectively, one side that riser and second riser are relative all is provided with the sponge, the through-hole has been seted up to one side that riser and second riser are relative and be located the corresponding position of sponge.
Preferably, the inside bottom fixedly connected with fourth motor of box to the output of fourth motor and the top fixed connection of plectane, the bottom fixedly connected with movable block of placing the board, and the ring channel with movable block looks adaptation is seted up at the top of bottom plate.
Preferably, the top of the placing plate is fixedly connected with an outer frame, a third slide bar is fixedly connected between two sides of the inner wall of the outer frame, a moving block is connected to the surface of the third slide bar in a sliding manner, a clamping plate is fixedly connected to the top of the moving block, and a third spring is fixedly connected between the surface of the third slide bar and one side, opposite to the inner wall of the outer frame, of the moving block.
Preferably, the both sides at first fixed plate and second fixed plate top are the fixedly connected with gag lever post, the top of gag lever post runs through the support and extends to the top of support, one side intercommunication of support has the exhaust column to the one end fixedly connected with suction nozzle of exhaust column.
Advantageous effects
The invention provides drill collar maintenance equipment for a mine drilling machine. Compared with the prior art, the method has the following beneficial effects:
(1) the drill collar maintenance equipment for the mine drilling machine is characterized in that a sliding block is connected with the surface of a threaded rod in a threaded manner, a first fixing plate and a second fixing plate are fixedly connected with the two sides of the sliding block respectively, a second motor is fixedly connected with the top of the first fixing plate, a transverse plate is fixedly connected with the output end of the second motor, a shell is fixedly connected with one side of the bottom of the transverse plate, a first polishing plate is arranged inside the shell, a second polishing plate is fixedly connected with one side of the bottom of the shell, a third motor is fixedly connected with the top of the second fixing plate, a liquid storage tank is fixedly connected with the output end of the third motor, a fixing shell is fixedly connected with one side of the bottom of the liquid storage tank, a first vertical plate is arranged inside the fixing shell, a second vertical plate is fixedly connected with one side of the bottom of the fixing shell, a circular plate is rotatably connected with the top of a bottom plate, and two sides of the circular plate are fixedly connected with placing plates through connecting plates, can operate simultaneously by two drill collars, after polishing the edulcoration to the surface, can carry out paining of lubricating oil to the drill collar surface, effectually maintain its life to the drill collar, when polishing it or paint lubricating oil, can also be according to the thickness automatically regulated of drill collar, the adaptability preferred.
(2) This equipment is maintained to drill collar for mine rig, top fixedly connected with frame through placing the board, and fixedly connected with third slide bar between the both sides of frame inner wall, the surperficial sliding connection of third slide bar has the movable block, and the top fixedly connected with grip block of movable block, the surface of third slide bar just is located fixedly connected with third spring between the movable block and the relative one side of frame inner wall, can carry out spacingly to it according to the size of drill collar, conveniently adapt to not unidimensional drill collar, the mode of electromotization is operated, can save more manpower and time.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the housing structure of the present invention;
FIG. 4 is a cross-sectional view of a reservoir configuration of the present invention;
FIG. 5 is a top view of the placement plate structure of the present invention;
fig. 6 is a side view of the internal structure of the outer frame of the present invention.
In the figure: 1-bottom plate, 2-bracket, 3-box body, 4-first motor, 5-threaded rod, 6-sliding block, 7-first fixed plate, 8-second fixed plate, 9-second motor, 10-transverse plate, 11-shell, 12-first polishing plate, 13-second polishing plate, 14-third motor, 15-liquid storage box, 16-fixed shell, 17-first vertical plate, 18-second vertical plate, 19-circular plate, 20-placing plate, 21-first sliding rod, 22-first spring, 23-second sliding rod, 24-second spring, 25-oil injection pipe, 26-hose, 27-sponge, 28-through hole, 29-fourth motor, 30-movable block, 31-annular groove, 32-outer frame, 33-a third slide bar, 34-a moving block, 35-a clamping plate, 36-a third spring, 37-a limiting rod, 38-an exhaust pipe and 39-a suction nozzle.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a drill collar maintenance device for a mine drilling machine comprises a bottom plate 1 and a support 2 fixed on the top of the bottom plate 1, wherein the top of the inner wall of the support 2 is fixedly connected with a box body 3, the top of the inner wall of the box body 3 is fixedly connected with a first motor 4, the first motor 4 is a three-phase asynchronous motor and can rotate forward and backward, the output end of the first motor 4 is fixedly connected with a threaded rod 5, the surface of the threaded rod 5 is in threaded connection with a sliding block 6, the two sides of the sliding block 6 are respectively and fixedly connected with a first fixing plate 7 and a second fixing plate 8, the top of the first fixing plate 7 is fixedly connected with a second motor 9, the output end of the second motor 9 is fixedly connected with a transverse plate 10, one side of the bottom of the transverse plate 10 is fixedly connected with a shell 11, a first polishing plate 12 is arranged inside the shell 11, one side of the bottom of the shell 11 is fixedly connected with a second polishing plate 13, and the top of the second fixing plate 8 is fixedly connected with a third motor 14, output fixedly connected with liquid reserve tank 15 of third motor 14, and one side fixedly connected with set casing 16 of liquid reserve tank 15 bottom, the inside of set casing 16 is provided with first riser 17, and one side fixedly connected with second riser 18 of set casing 16 bottom, the top of bottom plate 1 is rotated and is connected with plectane 19, and plectane 19's both sides all place board 20 through connecting plate fixedly connected with, can operate simultaneously by two drill collars, after polishing the edulcoration to the surface, can carry out paining of lubricating oil to the drill collar surface, effectual maintenance to the drill collar, prolong its life, when polishing it or paining lubricating oil, can also be according to the thickness automatically regulated of drill collar, the adaptability preferred.
In the invention, a first slide bar 21 is fixedly connected between two sides of the inner wall of the shell 11, the first polishing plate 12 is connected with the surface of the first slide bar 21 in a sliding way, and a first spring 22 is fixedly connected between one side of the surface of the first slide bar 21, which is positioned on the inner wall of the shell 11 and is opposite to the first polishing plate 12.
In the invention, a second slide bar 23 is fixedly connected between two sides of the inner wall of the fixed shell 16, the first vertical plate 17 is connected with the surface of the second slide bar 23 in a sliding manner, and a second spring 24 is fixedly connected between one side of the surface of the second slide bar 23, which is positioned on the inner wall of the fixed shell 16 and is opposite to the first vertical plate 17.
In the invention, one side of the top of the liquid storage tank 15 is communicated with an oil filling pipe 25, one side and the bottom of the liquid storage tank 15 are communicated with hoses 26, the two hoses 26 are respectively communicated with one sides of a first vertical plate 17 and a second vertical plate 18, one sides of the first vertical plate 17 opposite to the second vertical plate 18 are provided with sponges 27, and one sides of the first vertical plate 17 opposite to the second vertical plate 18 are provided with through holes 28 at positions corresponding to the sponges 27.
In the invention, the bottom inside the box body 3 is fixedly connected with a fourth motor 29, the fourth motor 29 is a three-phase asynchronous motor and can rotate forward and backward, the output end of the fourth motor 29 is fixedly connected with the top of the circular plate 19, the bottom of the placing plate 20 is fixedly connected with a movable block 30, and the top of the bottom plate 1 is provided with an annular groove 31 matched with the movable block 30.
According to the drill collar placing device, the outer frame 32 is fixedly connected to the top of the placing plate 20, the drill collar can be limited according to the size of the drill collar, the drill collar is convenient to adapt to drill collars with different sizes, the electric operation is carried out, more manpower and time can be saved, the third slide bar 33 is fixedly connected between two sides of the inner wall of the outer frame 32, the moving block 34 is slidably connected to the surface of the third slide bar 33, the clamping plate 35 is fixedly connected to the top of the moving block 34, and the third spring 36 is fixedly connected between the surface of the third slide bar 33 and one side, opposite to the inner wall of the outer frame 32, of the moving block 34.
According to the invention, both sides of the tops of the first fixing plate 7 and the second fixing plate 8 are fixedly connected with limiting rods 37, the top ends of the limiting rods 37 penetrate through the bracket 2 and extend to the top of the bracket 2, one side of the bracket 2 is communicated with an exhaust pipe 38, and one end of the exhaust pipe 38 is fixedly connected with a suction nozzle 39.
And those not described in detail in this specification are well within the skill of those in the art.
When the device is used, a drill collar is placed on the placing plate 20 and clamped into the clamping plate 35, the clamping plate 35 is pushed to slide on the third slide bar 33 according to the size of the drill collar, then the first motor 4 is started through an external switch, the first motor 4 drives the threaded rod 5 to rotate, the rotation of the threaded rod 5 drives the sliding block 6 to move downwards, the sliding block 6 drives the first fixing plate 7 and the second fixing plate 8 to move downwards, the first polishing plate 12 at the bottom of the first fixing plate 7 slides on the first slide bar 21 in the shell 11 and is matched with the second polishing plate 13 to clamp the drill collar, then the second motor 9 is started, the second motor 9 drives the transverse plate 10 to rotate, the rotation of the transverse plate 10 drives the first polishing plate 12 and the second polishing plate 13 to polish the surface of the drill collar, and then scraps generated by polishing are extracted through the suction nozzle 39 and the exhaust pipe 38, the fourth motor 29 is started, the fourth motor 29 drives the placing plate 20 to rotate, the drill collar which is just polished rotates to the position below the second fixing plate 8, then another drill collar is placed below the first fixing plate 7, the first motor 4 drives the sliding block 6 to descend, the first vertical plate 17 inside the fixing shell 16 and the second vertical plate 18 at the bottom clamp the drill collar, then lubricating oil of the liquid storage box 15 is injected into the first vertical plate 17 and the second vertical plate 18 through the hose 26, the lubricating oil is absorbed by the sponge 27 through the through hole 28, and under the driving of the third motor 14, the sponge 27 performs rotary lubrication on the surface of the drill collar, so that the repeated operation is performed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a drill collar maintenance equipment for mine rig, includes bottom plate (1) and fixes support (2) at bottom plate (1) top, its characterized in that: the top of the inner wall of the bracket (2) is fixedly connected with a box body (3), the top of the inner wall of the box body (3) is fixedly connected with a first motor (4), the output end of the first motor (4) is fixedly connected with a threaded rod (5), the surface of the threaded rod (5) is in threaded connection with a sliding block (6), two sides of the sliding block (6) are respectively fixedly connected with a first fixing plate (7) and a second fixing plate (8), the top of the first fixing plate (7) is fixedly connected with a second motor (9), the output end of the second motor (9) is fixedly connected with a transverse plate (10), one side of the bottom of the transverse plate (10) is fixedly connected with a shell (11), a first polishing plate (12) is arranged inside the shell (11), one side of the bottom of the shell (11) is fixedly connected with a second polishing plate (13), and the top of the second fixing plate (8) is fixedly connected with a third motor (14), the output end fixedly connected with liquid reserve tank (15) of third motor (14) to one side fixedly connected with set casing (16) of liquid reserve tank (15) bottom, the inside of set casing (16) is provided with first riser (17), and one side fixedly connected with second riser (18) of set casing (16) bottom, the top of bottom plate (1) is rotated and is connected with plectane (19), and board (20) are all placed through connecting plate fixedly connected with to the both sides of plectane (19).
2. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: a first sliding rod (21) is fixedly connected between two sides of the inner wall of the shell (11), the first polishing plate (12) is in sliding connection with the surface of the first sliding rod (21), and a first spring (22) is fixedly connected between one side, located on the inner wall of the shell (11), of the surface of the first sliding rod (21) and the side, opposite to the first polishing plate (12), of the first polishing plate.
3. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: fixedly connected with second slide bar (23) between the both sides of set casing (16) inner wall to first riser (17) are at the surperficial sliding connection of second slide bar (23), the surface of second slide bar (23) just is located fixedly connected with second spring (24) between one side of set casing (16) inner wall and the one side that first riser (17) is relative.
4. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: one side intercommunication at liquid reserve tank (15) top has oiling pipe (25) to one side and the bottom of liquid reserve tank (15) all communicate hose (26), two hose (26) are linked together with one side of first riser (17) and second riser (18) respectively, one side that first riser (17) and second riser (18) are relative all is provided with sponge (27), through-hole (28) have been seted up to one side that first riser (17) and second riser (18) are relative and lie in sponge (27) corresponding position.
5. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: the inside bottom fixedly connected with fourth motor (29) of box (3) to the output of fourth motor (29) and the top fixed connection of plectane (19), place the bottom fixedly connected with movable block (30) of board (20), and the ring channel (31) with movable block (30) looks adaptation is seted up at the top of bottom plate (1).
6. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: the top of the placing plate (20) is fixedly connected with an outer frame (32), a third sliding rod (33) is fixedly connected between two sides of the inner wall of the outer frame (32), a moving block (34) is connected to the surface of the third sliding rod (33) in a sliding mode, a clamping plate (35) is fixedly connected to the top of the moving block (34), and a third spring (36) is fixedly connected to the surface of the third sliding rod (33) and located between the moving block (34) and one side, opposite to the inner wall of the outer frame (32).
7. The apparatus for maintaining a drill collar for a mine drilling rig according to claim 1, wherein: the equal fixedly connected with gag lever post (37) in both sides at first fixed plate (7) and second fixed plate (8) top, the top of gag lever post (37) runs through support (2) and extends to the top of support (2), one side intercommunication of support (2) has exhaust column (38) to the one end fixedly connected with suction nozzle (39) of exhaust column (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644372.4A CN114310611A (en) | 2021-12-29 | 2021-12-29 | Drill collar maintenance equipment for mine drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644372.4A CN114310611A (en) | 2021-12-29 | 2021-12-29 | Drill collar maintenance equipment for mine drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114310611A true CN114310611A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111644372.4A Pending CN114310611A (en) | 2021-12-29 | 2021-12-29 | Drill collar maintenance equipment for mine drilling machine |
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| Country | Link |
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| CN (1) | CN114310611A (en) |
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| JP2008254087A (en) * | 2007-04-02 | 2008-10-23 | Shoda Techtron Corp | Method for manufacturing glass substrate, and apparatus for grinding glass substrate |
| CN110202176A (en) * | 2019-07-12 | 2019-09-06 | 山东劳动职业技术学院（山东劳动技师学院） | A kind of machine components drilling machine for machining |
| CN209791865U (en) * | 2018-11-26 | 2019-12-17 | 温州中合润滑设备制造有限公司 | Counting type guide rail oiling device |
| CN212444495U (en) * | 2020-06-17 | 2021-02-02 | 武汉辉硕汽车零部件有限公司 | Get rid of die-casting product steel axle burr device |
| CN214080279U (en) * | 2020-10-20 | 2021-08-31 | 许扬洋 | Multi-directional synchronous positioning fixture for machining middle shell of turbocharger of fuel automobile |
| CN215201042U (en) * | 2020-12-02 | 2021-12-17 | 新沂市鼎丽塑胶制品有限公司 | Pipe machining device with comprehensive polishing structure for inner wall and outer wall |
-
2021
- 2021-12-29 CN CN202111644372.4A patent/CN114310611A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008254087A (en) * | 2007-04-02 | 2008-10-23 | Shoda Techtron Corp | Method for manufacturing glass substrate, and apparatus for grinding glass substrate |
| CN209791865U (en) * | 2018-11-26 | 2019-12-17 | 温州中合润滑设备制造有限公司 | Counting type guide rail oiling device |
| CN110202176A (en) * | 2019-07-12 | 2019-09-06 | 山东劳动职业技术学院（山东劳动技师学院） | A kind of machine components drilling machine for machining |
| CN212444495U (en) * | 2020-06-17 | 2021-02-02 | 武汉辉硕汽车零部件有限公司 | Get rid of die-casting product steel axle burr device |
| CN214080279U (en) * | 2020-10-20 | 2021-08-31 | 许扬洋 | Multi-directional synchronous positioning fixture for machining middle shell of turbocharger of fuel automobile |
| CN215201042U (en) * | 2020-12-02 | 2021-12-17 | 新沂市鼎丽塑胶制品有限公司 | Pipe machining device with comprehensive polishing structure for inner wall and outer wall |
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Application publication date: 20220412 |