CN112202283B - Driving device for drilling fluid circulating rotation - Google Patents
Driving device for drilling fluid circulating rotation Download PDFInfo
- Publication number
- CN112202283B CN112202283B CN202011089392.5A CN202011089392A CN112202283B CN 112202283 B CN112202283 B CN 112202283B CN 202011089392 A CN202011089392 A CN 202011089392A CN 112202283 B CN112202283 B CN 112202283B
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- Prior art keywords
- damping
- driving
- block
- dust
- chamber
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000013016 damping Methods 0.000 claims description 87
- 239000000428 dust Substances 0.000 claims description 47
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000035939 shock Effects 0.000 description 14
- 230000003139 buffering effect Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The driving device for the drilling fluid circulating rotation comprises a driving chamber and a transmission chamber, wherein a driving motor is arranged in the driving chamber, an output shaft of the driving motor is connected with a transmission shaft, the transmission shaft penetrates through the transmission chamber and is arranged outside the transmission chamber, and a driving bevel gear is arranged in the transmission shaft. According to the invention, the driving motor is started, the transmission shaft rotates, the driving bevel gear rotates, and the driving bevel gear is meshed with the two driven bevel gears, so that the two driven shafts can be driven to rotate, multi-shaft rotation is realized, and the rotation efficiency is improved; the dual-purpose power shaft is started, the air exhaust screw rod rotates, the air exhaust screw rod is in threaded connection with the screw block, the screw block moves to drive the air exhaust fan to move, the dual-purpose power shaft rotates forwards and backwards to move up and down, the air exhaust effect is improved, and heat generated by the work of the driving motor is exhausted through the air exhaust fan.
Description
Technical Field
The invention relates to the technical field of electric drilling tools, in particular to a driving device for drilling fluid circulating rotation.
Background
Drilling is the process of drilling a formation into a cylindrical borehole having a depth using mechanical equipment. Rock breaking methods and types of tools used can be divided into drilling and rotary drilling; in geological work, a drilling device is utilized to drill a cylindrical round hole with smaller diameter and larger depth into the ground. Also known as drilling. The diameter and depth of the drilled well depend on the drilling application, the buried depth of the mineral products and the like. The drilling fluid is mainly used for reducing the flow resistance and the filter cake friction coefficient of the drilling fluid, reducing the torque of a drill bit and improving the water horsepower of the well so as to prevent the sticking of the drill bit and improve the treatment benefit.
Need use drive arrangement in drilling fluid circulation rotation, current drive arrangement is mostly the unipolar drive, and the drive effect is poor, and motor working strength is big during the drive simultaneously, produces heat easily, has reduced drive efficiency.
Disclosure of Invention
The present invention aims to provide a driving device for drilling fluid circulating rotation, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a driving device for drilling fluid circulating rotation comprises a driving chamber and a transmission chamber, wherein a driving motor is arranged in the driving chamber, an output shaft of the driving motor is connected with a transmission shaft, the transmission shaft penetrates through the transmission chamber and is arranged outside the transmission chamber, a driving bevel gear is arranged in the transmission shaft, the driving bevel gear is meshed with two driven bevel gears, the two driven bevel gears are both connected with driven shafts, and the two driven shafts penetrate through the transmission chamber; a dual-purpose motor is erected outside the driving chamber, an output shaft of the dual-purpose motor is connected with a dual-purpose power shaft, and the dual-purpose power shaft is connected with an exhaust mechanism in the driving chamber;
an air outlet is formed in one side, away from the air exhaust mechanism, of the driving chamber, an air exhaust filter screen is arranged on the air outlet, the dual-purpose power shaft is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt pulley, the driven wheel is connected with a dust mechanism, and the dust mechanism is attached to the air exhaust filter screen;
the driving motor is connected with the elastic columns, the two elastic columns are connected with the damping plate together, and the damping plate is connected with the damping mechanism.
Preferably, the exhaust mechanism comprises an exhaust screw, the top end of the exhaust screw rotates with the dual-purpose power shaft, the bottom end of the exhaust screw rotates with the driving chamber, the exhaust screw is in threaded connection with a screw block, an installation plate is arranged on the screw block, the installation plate is connected with an exhaust fan, and the air direction of the exhaust fan is arranged towards the direction of the driving motor.
Preferably, the screw block is provided with a dynamic stabilizing column, the driving chamber is internally provided with a dynamic stabilizing groove, and the dynamic stabilizing column is arranged in the dynamic stabilizing groove in a sliding manner.
Preferably, the bottom end of the air exhaust screw is rotatably connected with the driving chamber through a bearing seat.
Preferably, the dust mechanism includes dust upstand and dust axle, and the dust upstand is connected with the drive chamber, and two dust upstands are connected with the dust board jointly, the dust axle passes the dust upstand and is connected with from the driving wheel, the epaxial threaded zone that is equipped with of dust, threaded zone threaded connection have a silk piece, and silk piece one side is connected with the brush hair, and the brush hair sets up with the laminating of the filter screen of airing exhaust.
Preferably, the wire block is arranged in a sliding and limiting manner through the positioning limiting block and a positioning vertical groove in the dust vertical column.
Preferably, the bottom end of the damping plate is connected with a damping sliding block, the damping sliding block slides in a damping groove formed in the bottom wall of the driving chamber, and the damping sliding block is connected with the damping groove through a damping spring.
Preferably, the damping mechanism comprises a damping box, a damping moving block is arranged in the damping box in a sliding mode, one side of the damping moving block is connected with a damping column, the damping column is connected with a damping plate, the damping moving block is connected with the damping box through a reset spring, and the other side of the damping moving block is connected with the buffer.
Preferably, the buffer includes the buffering hinge piece, and the buffering hinge piece is fixed on the shock attenuation movable block, and the shock attenuation movable block symmetry articulates there is the buffering down tube, and two buffering down tubes are connected with the buffering nested piece jointly, and buffering nested piece joint cover is established on buffering sleeve post, and buffering sleeve post sets up in the recess of shock attenuation box inner bottom wall.
Preferably, the two buffer blocks are connected through a buffer spring.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the driving motor is started, the transmission shaft rotates, the driving bevel gear rotates, and the driving bevel gear is meshed with the two driven bevel gears, so that the two driven shafts can be driven to rotate, multi-shaft rotation is realized, and the rotation efficiency is improved; the dual-purpose power shaft is started, the air exhaust screw rod rotates, the air exhaust screw rod is in threaded connection with the screw block, the screw block moves to drive the air exhaust fan to move, the dual-purpose power shaft rotates forwards and backwards to move up and down, the air exhaust effect is improved, and heat generated by the work of the driving motor is exhausted through the air exhaust fan.
(2) The filter screen during operation of airing exhaust can produce the dust, rotate through dual-purpose power shaft, it rotates to drive the action wheel, the action wheel has from the driving wheel through belt pulley connection, realize that the dust axle rotates, the epaxial screw thread district that is equipped with of dust, the silk piece rotates, it removes to drive the brush hair, thereby to airing exhaust the filter screen clearance, the fan during operation of airing exhaust, the brush hair reciprocates simultaneously, then the dust of scraping the clearance can fly upward outside the driving chamber, the cleanliness factor in the driving chamber has been improved, this setting not only can play the heat dissipation of airing exhaust, also can discharge scraping the clearance dust simultaneously, dual-purpose efficiency has.
(3) The driving motor vibrates when working, and then drives the elastic column to vibrate, so as to drive the damping sliding block to slide in the damping groove, the damping spring realizes compression and reset, and the damping effect is improved; the shock attenuation board vibrations drive the shock attenuation post and remove, and then the shock attenuation movable block slides in the shock attenuation box, and reset spring compression drives the buffering down tube through buffering hinge piece and removes simultaneously, realizes then that the buffering nested piece removes on buffering nested column, and buffer spring compression resets to driving motor's shock attenuation effect has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a transmission shaft and a driven shaft according to the present invention;
FIG. 3 is a schematic structural view of the air discharge mechanism of the present invention;
FIG. 4 is a schematic structural view of a dust mechanism of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 1 at A according to the present invention;
fig. 6 is a schematic structural view of the damper mechanism of the present invention.
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, in the embodiment of the present invention, a driving device for drilling fluid circulation rotation includes a driving chamber 1 and a transmission chamber 2, a driving motor 3 is disposed in the driving chamber 1, an output shaft of the driving motor 3 is connected to a transmission shaft 4, the transmission shaft 4 passes through the transmission chamber 2 and is disposed outside the transmission chamber 2, a driving bevel gear 5 is disposed in the transmission shaft 4, the driving bevel gear 5 is engaged with two driven bevel gears 6, both the two driven bevel gears 6 are connected to driven shafts 7, and the two driven shafts 7 pass through the transmission chamber 2; a dual-purpose motor 8 is erected outside the driving chamber 1, an output shaft of the dual-purpose motor 8 is connected with a dual-purpose power shaft 9, and the dual-purpose power shaft 9 is connected with an exhaust mechanism 10 in the driving chamber 1;
an air outlet 11 is formed in one side, away from the air exhaust mechanism 10, of the driving chamber 1, an air exhaust filter screen 112 is arranged on the air outlet 11, the dual-purpose power shaft 9 is connected with a driving wheel 12, the driving wheel 12 is connected with a driven wheel 14 through a belt pulley 13, the driven wheel 14 is connected with a dust mechanism 15, and the dust mechanism 15 is attached to the air exhaust filter screen 112;
the driving motor 3 is connected with the elastic columns 16, the two elastic columns 16 are connected with the damping plate 17 together, and the damping plate 17 is connected with the damping mechanism 18.
The driving motor 3 is started, the transmission shaft 4 rotates, the driving bevel gear 5 is meshed with the two driven bevel gears 6, and then the two driven shafts 7 can be driven to rotate, so that multi-shaft rotation is realized, and the rotation efficiency is improved;
the exhaust mechanism 10 of the present embodiment includes an exhaust screw 101, the top end of the exhaust screw 101 rotates with the dual-purpose power shaft 9, the bottom end thereof rotates with the driving chamber 1, the exhaust screw 101 is connected with a screw block 102 by a screw thread, a mounting plate 103 is arranged on the screw block 102, the mounting plate 103 is connected with an exhaust fan 104, and the wind direction of the exhaust fan 104 is set toward the driving motor 3.
The screw block 102 of this embodiment is provided with a dynamic stabilizing column 105, the driving chamber 1 is provided with a dynamic stabilizing slot 106, and the dynamic stabilizing column 105 is slidably disposed in the dynamic stabilizing slot 106.
The lower end of the discharge screw 101 of this embodiment is rotatably connected to the drive chamber 1 via a bearing housing 107.
The dual-purpose power shaft 9 is started, the air exhaust screw 101 rotates, the air exhaust screw 101 is in threaded connection with the screw block 102, the screw block 102 moves to drive the air exhaust fan 104 to move, the dual-purpose power shaft 9 rotates forwards and backwards to move up and down, the air exhaust effect is improved, and heat generated by the operation of the driving motor 3 is exhausted through the air exhaust fan 104;
the dust mechanism 15 of the embodiment comprises a dust upright post 151 and a dust shaft 153, wherein the dust upright post 151 is connected with the driving chamber 1, the two dust upright posts 151 are connected with a dust plate 152 together, the dust shaft 153 penetrates through the dust upright post 151 to be connected with the driven wheel 14, a threaded area 154 is arranged on the dust shaft 153, a thread block 155 is connected with the threaded area 154 in a threaded manner, one side of the thread block 155 is connected with bristles 156, and the bristles 156 are attached to the exhaust filter screen 112;
the wire block 155 of the embodiment is slidably disposed in the vertical positioning groove 158 of the dust column 151 through the positioning limiting block 157.
The filter screen 112 during operation of airing exhaust can produce the dust, rotate through dual-purpose power shaft 9, drive action wheel 12 and rotate, action wheel 12 is connected with from driving wheel 14 through belt pulley 13, realize that dust axle 153 rotates, be equipped with screw thread area 154 on the dust axle 153, silk piece 155 rotates, it removes to drive brush hair 156, thereby to the filter screen 112 clearance of airing exhaust, exhaust fan 104 during operation, brush hair 15 reciprocates simultaneously, then the dust of scraping the clearance can fly upward outside drive chamber 1, the cleaning nature in the drive chamber 1 has been improved, this setting not only can play the heat dissipation of airing exhaust, also can discharge the dust of scraping simultaneously, have dual-purpose efficiency.
The driving motor 3 will vibrate when working, and then drives the elastic column 16 to vibrate, and further drives the damping sliding block 19 to slide in the damping groove 20, and the damping spring 21 realizes compression reset, thereby improving the damping effect.
The damping mechanism 18 of this embodiment includes the shock attenuation box 181, and it has the damping moving block 182 to slide in the shock attenuation box 181, and damping moving block 182 one side is connected with the shock attenuation post 183, and the shock attenuation post 183 is connected with the shock attenuation board 17, is connected through reset spring 184 between damping moving block 182 and the shock attenuation box 181, the damping moving block 182 opposite side is connected with buffer 185.
The buffer 185 of the embodiment includes a buffer hinge 1851, the buffer hinge 1851 is fixed on the shock-absorbing moving block 182, the shock-absorbing moving block 182 is symmetrically hinged with buffer diagonal rods 1852, the two buffer diagonal rods 1852 are connected with a buffer sleeve 1853 together, the buffer sleeve 1853 is connected with a buffer sleeve column 1854 in a connecting manner, and the buffer sleeve column 1854 is arranged in a groove on the inner bottom wall of the shock-absorbing box 181.
The two buffer blocks 1853 of this embodiment are connected by a buffer spring 1855.
The damping plate 17 vibrates to drive the damping column 183 to move, then the damping moving block 182 slides in the damping box 181, the reset spring 184 compresses, and simultaneously the damping hinge block 1851 drives the damping diagonal 1852 to move, so that the damping sleeve block 1853 moves on the damping sleeve column 1854, and the buffer spring 1855 compresses to reset, thereby improving the damping effect on the driving motor 3.
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 (5)
1. A driving device for drilling fluid circulating rotation comprises a driving chamber (1) and a transmission chamber (2), and is characterized in that a driving motor (3) is arranged in the driving chamber (1), an output shaft of the driving motor (3) is connected with a transmission shaft (4), the transmission shaft (4) penetrates through the transmission chamber (2) and is arranged outside the transmission chamber (2), a driving bevel gear (5) is arranged in the transmission shaft (4), the driving bevel gear (5) is meshed with two driven bevel gears (6), both the two driven bevel gears (6) are connected with driven shafts (7), and the two driven shafts (7) penetrate through the transmission chamber (2); a dual-purpose motor (8) is erected outside the driving chamber (1), an output shaft of the dual-purpose motor (8) is connected with a dual-purpose power shaft (9), and the dual-purpose power shaft (9) is connected with an air exhaust mechanism (10) in the driving chamber (1);
an air outlet (11) is formed in one side, far away from the air exhaust mechanism (10), of the driving chamber (1), an air exhaust filter screen (112) is arranged on the air outlet (11), the dual-purpose power shaft (9) is connected with a driving wheel (12), the driving wheel (12) is connected with a driven wheel (14) through a belt pulley (13), the driven wheel (14) is connected with a dust mechanism (15), and the dust mechanism (15) is attached to the air exhaust filter screen (112);
the driving motor (3) is connected with the elastic columns (16), the two elastic columns (16) are connected with a damping plate (17) together, and the damping plate (17) is connected with a damping mechanism (18);
the exhaust mechanism (10) comprises an exhaust screw (101), the top end of the exhaust screw (101) rotates with the dual-purpose power shaft (9), the bottom end of the exhaust screw is rotatably connected with the driving chamber (1), the exhaust screw (101) is in threaded connection with a screw block (102), a mounting plate (103) is arranged on the screw block (102), the mounting plate (103) is connected with an exhaust fan (104), and the wind direction of the exhaust fan (104) is arranged towards the direction of the driving motor (3);
the screw block (102) is provided with a dynamic stabilizing column (105), a dynamic stabilizing groove (106) is arranged in the driving chamber (1), and the dynamic stabilizing column (105) is arranged in the dynamic stabilizing groove (106) in a sliding manner;
the bottom end of the air exhaust screw rod (101) is rotatably connected with the driving chamber (1) through a bearing seat (107);
the dust mechanism (15) comprises dust vertical columns (151) and dust shafts (153), the dust vertical columns (151) are connected with the driving chamber (1), the two dust vertical columns (151) are connected with a dust plate (152) together, the dust shafts (153) penetrate through the dust vertical columns (151) to be connected with the driven wheel (14), a threaded area (154) is arranged on the dust shafts (153), the threaded area (154) is in threaded connection with a thread block (155), one side of the thread block (155) is connected with bristles (156), and the bristles (156) are attached to the air exhaust filter screen (112);
the wire block (155) is arranged in a sliding limiting mode through the positioning limiting block (157) and a positioning vertical groove (158) on the dust vertical column (151).
2. A drilling fluid circulation rotary drive device according to claim 1, characterized in that the bottom end of the damping plate (17) is connected with a damping sliding block (19), the damping sliding block (19) is arranged in a damping groove (20) arranged on the bottom wall of the drive chamber (1) in a sliding manner, and the damping sliding block (19) and the damping groove (20) are connected through a damping spring (21).
3. The drilling fluid circulating rotation driving device as claimed in claim 1, wherein the damping mechanism (18) comprises a damping box (181), a damping moving block (182) is slidably arranged in the damping box (181), one side of the damping moving block (182) is connected with a damping column (183), the damping column (183) is connected with a damping plate (17), the damping moving block (182) is connected with the damping box (181) through a return spring (184), and the other side of the damping moving block (182) is connected with a buffer (185).
4. The drilling fluid circulating rotation driving device as claimed in claim 3, wherein the damper (185) comprises a damping hinge block (1851), the damping hinge block (1851) is fixed on the damping moving block (182), the damping moving block (182) is symmetrically hinged with a damping oblique rod (1852), the two damping oblique rods (1852) are connected with a damping sleeve block (1853) together, the damping sleeve block (1853) is connected and sleeved on a damping sleeve column (1854), and the damping sleeve column (1854) is arranged in a groove on the inner bottom wall of the damping box (181).
5. A drive for drilling fluid circulation rotation according to claim 4, characterized in that the two damping blocks (1853) are connected by a damping spring (1855).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089392.5A CN112202283B (en) | 2020-10-13 | 2020-10-13 | Driving device for drilling fluid circulating rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089392.5A CN112202283B (en) | 2020-10-13 | 2020-10-13 | Driving device for drilling fluid circulating rotation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112202283A CN112202283A (en) | 2021-01-08 |
| CN112202283B true CN112202283B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011089392.5A Active CN112202283B (en) | 2020-10-13 | 2020-10-13 | Driving device for drilling fluid circulating rotation |
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| CN (1) | CN112202283B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421710B (en) * | 2021-12-28 | 2022-12-16 | 中科仪(南通)半导体设备有限责任公司 | Dry vacuum pump cooling system |
| CN114607284B (en) * | 2022-03-29 | 2024-10-15 | 济宁迈斯伯尔机械股份有限公司 | Self-adaptive drilling rig drill bit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205260968U (en) * | 2015-12-09 | 2016-05-25 | 天津市热工自控设备成套有限公司 | Electric actuator |
| CN110778646A (en) * | 2019-10-30 | 2020-02-11 | 苏州莱锦机电自动化有限公司 | Electromechanical device shock attenuation strutting arrangement |
| CN211117882U (en) * | 2019-11-20 | 2020-07-28 | 重庆广达自动化设备有限公司 | Electric actuator |
| CN111502534A (en) * | 2020-05-07 | 2020-08-07 | 宁波镇海合冰能源技术有限公司 | Drilling equipment for oil exploitation in different terrains |
| CN111629574A (en) * | 2020-07-30 | 2020-09-04 | 江西科技学院 | Electronic information wireless communication device |
-
2020
- 2020-10-13 CN CN202011089392.5A patent/CN112202283B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205260968U (en) * | 2015-12-09 | 2016-05-25 | 天津市热工自控设备成套有限公司 | Electric actuator |
| CN110778646A (en) * | 2019-10-30 | 2020-02-11 | 苏州莱锦机电自动化有限公司 | Electromechanical device shock attenuation strutting arrangement |
| CN211117882U (en) * | 2019-11-20 | 2020-07-28 | 重庆广达自动化设备有限公司 | Electric actuator |
| CN111502534A (en) * | 2020-05-07 | 2020-08-07 | 宁波镇海合冰能源技术有限公司 | Drilling equipment for oil exploitation in different terrains |
| CN111629574A (en) * | 2020-07-30 | 2020-09-04 | 江西科技学院 | Electronic information wireless communication device |
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| CN112202283A (en) | 2021-01-08 |
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Inventor after: Yang Xuan Inventor after: Zhang Peng Inventor after: Gong Tingting Inventor after: Hou Jiangwei Inventor after: Han Tao Inventor before: Hou Jiangwei Inventor before: Han Tao |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211208 Address after: 100097 908, block a, 8th floor, 116 Zizhuyuan Road, Haidian District, Beijing Applicant after: ZHONGZI DATA CO.,LTD. Applicant after: China Highway Engineering Consulting Group Co., Ltd. Address before: 257000 No. 258, Ji'nan Road, Dongying District, Shandong, Dongying Applicant before: Hou Jiangwei |