CN113530463B - Oil development is with surveying device convenient to adjust - Google Patents
Oil development is with surveying device convenient to adjust Download PDFInfo
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- CN113530463B CN113530463B CN202111082480.7A CN202111082480A CN113530463B CN 113530463 B CN113530463 B CN 113530463B CN 202111082480 A CN202111082480 A CN 202111082480A CN 113530463 B CN113530463 B CN 113530463B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000003208 petroleum Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- Environmental & Geological Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a survey device for oil exploitation convenient to adjust, which relates to the technical field of oil, and mainly aims to solve the problem that the conventional survey device for oil exploitation is inconvenient to adjust, and comprises a bearing part, a rotating mechanism and a moving mechanism, wherein a driving part in the rotating mechanism drives the rotating part to rotate in a fixed sleeving part, a second transmission gear is arranged on the fixed sleeving part, a moving part in the moving mechanism is connected with the rotating part and a meshing part, a transmission component in the moving mechanism comprises a worm and a movable sleeving part, a first limit groove, a groove and a second limit groove are formed in the worm, a second limit bulge is arranged on the movable sleeving part, and the second limit bulge on the movable sleeving part can move back and forth among the first limit groove, the groove and the second limit groove on the worm in the process of rotating along with the rotating mechanism by manually adjusting the movable sleeving part, thereby achieving the purpose of quickly adjusting the angle or the position of the drilling equipment.
Description
Technical Field
The invention relates to the technical field of petroleum, in particular to a survey device convenient to adjust for petroleum exploitation.
Background
Petroleum exploration in order to find and pinpoint hydrocarbon resources, it is necessary to explore the geology of the subsurface through various exploration means. During the oil exploration, the soil of the exploitation field needs to be drilled and sampled, so that the geological condition of the exploitation field can be known more clearly.
However, when the existing surveying device for oil exploitation uses a drill bit to drill, multiple times of drilling and sampling are needed to ensure the surveying accuracy, and because the topography of the exploitation place is not flat, the position and the angle of the drill bit are required to be continuously adjusted before drilling so as to enable the drill bit to be vertical to the surface of the exploitation place.
Disclosure of Invention
The object of the present invention is to provide a survey device for oil production that is easy to adjust to solve the problems set forth in the background art described above.
In order to achieve the above purpose, the present application provides the following technical solutions:
a survey device for oil development convenient to adjust, includes the carrier, still includes:
the rotating mechanism is positioned on the bearing part and comprises a rotating part, a fixed sleeving part and a driving part, the driving part is connected with the rotating part and used for driving the rotating part to rotate around the central axis of the rotating part, the fixed sleeving part is fixedly sleeved on the rotating part, and a second transmission gear is installed on the fixed sleeving part; the moving mechanism comprises a movable part, an engaging part and a transmission assembly, the movable part is movably connected to the rotating part and is engaged with the engaging part, and the transmission assembly comprises a worm engaged with the engaging part; and the movable sleeving part is sleeved on the worm, a first limiting groove, a groove and a second limiting groove are formed in the worm, a second limiting bulge in sliding connection with the first limiting groove and the second limiting groove is installed on the movable sleeving part, and a fourth transmission gear in meshed connection with the second transmission gear is installed on the movable sleeving part.
As a further aspect of the present application: the length value of the first limiting groove, the length value of the second limiting groove and the length value of the second limiting protrusion are consistent, the thickness value of the second transmission gear is equal to two times of the thickness value of the fourth transmission gear, the thickness value of the second transmission gear is equal to the length value of the second limiting protrusion, when the second limiting protrusion moves towards the direction close to the second limiting groove, the fourth transmission gear moves towards the direction far away from the second transmission gear, and when the second limiting protrusion is located in the second limiting groove, the fourth transmission gear is separated from the second transmission gear.
As a still further aspect of the present application: the movable part is provided with a first limiting bulge connected with the rotating part; and the rack plate is connected with the meshing part in a meshing manner, the rack plate is arranged at the end part of the movable part, drilling equipment is arranged on one side, away from the meshing part, of the rack plate, and the first limiting protrusion is connected to the surface of the movable part.
As a still further aspect of the present application: the meshing part comprises a third transmission gear meshed with the rack plate; and the worm wheel is meshed and connected with the worm, and the third transmission gear is coaxially connected with the worm wheel.
As a still further aspect of the present application: the moving mechanism further comprises a second support frame fixedly connected with the rotating portion, the engaging portion and the transmission assembly are both mounted on the second support frame, the second support frame follows the rotating portion to rotate around the central axis of the rotating portion in a manner of driving a fourth transmission gear to be meshed with the second transmission gear, the fourth transmission gear is meshed with the second transmission gear in a manner of driving the transmission assembly to rotate around the axis of the transmission assembly, a worm in the transmission assembly drives a third transmission gear to rotate through a worm gear, and the rotating movement of the third transmission gear drives the movable portion to move linearly along the central axis of the rotating portion through a rack plate.
As a still further aspect of the present application: the rotating mechanism further comprises a first support frame, a ball head connected with the bearing part is mounted on the first support frame, and the driving part and the fixed sleeve part are mounted on the first support frame.
As a still further aspect of the present application: the ball head support is characterized by further comprising a telescopic piece, wherein two ends of the telescopic piece are respectively connected with the bearing part and the second support frame, and the telescopic movement of the telescopic piece drives the first support frame to rotate around the center of the ball head.
Compared with the prior art, the beneficial effects of this application are:
the moving mechanism can move the second limiting protrusion on the movable sleeving piece back and forth between the first limiting groove, the groove and the second limiting groove on the worm in a manner of manually adjusting the movable sleeving piece in the process of rotating along with the rotating mechanism, so that the purpose of quickly adjusting the angle or the position of the drilling equipment is achieved, and the problem that the conventional surveying device for petroleum exploitation is inconvenient to adjust is solved.
Drawings
FIG. 1 is a schematic diagram of a survey apparatus for oil production that facilitates adjustment according to an embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of the movable portion, the worm and the engaging portion in the embodiment of the present invention;
FIG. 3 is a schematic diagram of the engagement between the worm and the movable sleeve in an embodiment of the present invention;
FIG. 4 is a schematic view showing the assembly of the movable portion and the engaging portion in the embodiment of the present invention;
FIG. 5 is a side view of an engaging portion in an embodiment of the present invention;
fig. 6 is a partial enlarged view of a in fig. 1 according to the present invention.
In the figure: 1-a bearing part, 2-a telescopic part, 3-a rotating mechanism, 31-a driving part, 32-a rotating part, 33-a fixed mounting part, 34-a first transmission gear, 35-a second transmission gear, 36-a first supporting frame, 37-a ball head, 4-a moving mechanism, 41-a moving part, 411-a first limit bulge, 412-a chute and 42-a rack plate, 43-second support frame, 431-limiting block, 44-meshing part, 441-worm wheel, 442-third transmission gear, 45-transmission component, 451-worm, 4511-first limiting groove, 4512-groove, 4513-second limiting groove, 452-movable sleeve part, 4521-second limiting projection, 453-fourth transmission gear and 46-drilling equipment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a survey apparatus for oil exploitation, which includes a bearing portion 1, and further includes:
the rotating mechanism 3 is positioned on the bearing part 1, the rotating mechanism 3 comprises a rotating part 32, a fixed sleeving part 33 and a driving part 31, the driving part 31 is connected with the rotating part 32 and is used for driving the rotating part 32 to rotate around the central axis of the rotating part, the fixed sleeving part 33 is fixedly sleeved on the rotating part 32, a second transmission gear 35 is installed on the fixed sleeving part 33, the rotating part 32 is designed to be a rotating pipe, the fixed sleeving part 33 is designed to be a fixed sleeve pipe, a first transmission gear 34 is also installed on the rotating pipe, the driving part 31 is designed to be a driving motor provided with a driving gear, and the driving motor drives the rotating pipe to be connected into the fixed sleeving pipe in a rotating mode by utilizing the meshing transmission principle between the driving gear and the first transmission gear 34; the moving mechanism 4 is positioned on the bearing part 1, the moving mechanism 4 comprises a movable part 41, an engaging part 44 and a transmission assembly 45, the movable part 41 is movably connected to the rotating part 32, the movable part 41 is engaged with the engaging part 44, and the transmission assembly 45 comprises a worm 451 engaged with the engaging part 44; and a movable sleeve part 452 movably sleeved on the worm 451, the worm 451 is provided with a first limit groove 4511, a groove 4512 and a second limit groove 4513, the movable sleeve part 452 is provided with a second limit protrusion 4521 slidably connected with the first limit groove 4511 and the second limit groove 4513, the movable sleeve part 452 is provided with a fourth transmission gear 453 engaged with the second transmission gear 35, the worm 451 is designed into two parts, one part is engaged with the engaging part 44, the other part is an optical sliding rod, the first limit groove 4511, the groove 4512 and the second limit groove 4513 are all positioned on the optical sliding rod, the movable sleeve part 452 can be designed into a movable sleeve with two ends communicated, or a cavity with one end closed and one end open, the second limit protrusion 4521 can be designed into a second limit block, or a second limit rib, etc., the number of the first limit groove 4511, the second limit groove 4513 and the second limit protrusion 4521 is several, and a plurality of first and second limiting grooves 4511, 4513 and 4521 are axisymmetric with respect to the worm 451 and the movable fitting 452.
In the above-mentioned technical solution, the bearing part 1 is designed as a fixed frame, and in order to facilitate moving the device, a movable wheel set can be further installed on the fixed frame, and here, the conventional technical means in the prior art is not described herein any more, and the driving part 31 can also be designed as a driving motor with a first synchronizing wheel, and correspondingly, the first driving gear 34 on the rotating tube is replaced by a second synchronizing wheel, and a synchronous belt is connected between the first synchronizing wheel and the second synchronizing wheel, so as to also achieve the purpose of driving the rotating tube to rotate, and of course, the driving part 31 can also be designed into other structural forms, and is not described herein any more.
Referring to fig. 1 and 3, further, the length of the first position-limiting groove 4511, the length of the concave groove 4512 and the length of the second position-limiting groove 4513 are the same, the thickness of the second transmission gear 35 is twice as large as the thickness of the fourth transmission gear 453, the thickness of the second transmission gear 35 is equal to the length of the second position-limiting protrusion 4521, when the second position-limiting protrusion 4521 moves towards the direction close to the second position-limiting groove 4513, the fourth transmission gear 453 moves away from the second transmission gear 35, when the second position-limiting protrusion 4521 is located in the second position-limiting groove 4513, the fourth transmission gear 453 is disengaged from the second transmission gear 35, the movable sleeve member 452 is manually pushed, the second position-limiting protrusion 4521 slides into the first position-limiting groove 4511, the fourth transmission gear 453 is engaged with the second transmission gear 35, when the second position-limiting protrusion 4521 slides into the concave groove 4512, although the fourth transmission gear 453 is still meshed with the second transmission gear 35, the second limiting protrusion 4521 cannot be linked with the groove 4512, and therefore the worm 451 cannot be driven to rotate, when the second limiting protrusion 4521 slides into the second limiting groove 4513, the fourth transmission gear 453 is separated from the second transmission gear 35, so that the worm 451 cannot be driven to rotate with the second transmission gear 35 through the movable sleeve 452, but the worm 451 can be driven to rotate by manually rotating the fourth transmission gear 453.
Referring to fig. 2 to 4, further, a first limiting protrusion 411 connected to the rotating portion 32 is disposed on the movable portion 41; and the rack plate 42 of being connected with meshing portion 44 meshing, rack plate 42 is installed at the tip of movable part 41, and keeps away from one side of meshing portion 44 on rack plate 42 and installs drilling equipment 46, first spacing arch 411 is connected on the surface of movable part 41, and the quantity design of rack plate 42 is a plurality of, and movable part 41 designs for the movable rod, and a plurality of rack plate 42 are all installed on the movable rod, and first spacing arch 411 designs for spacing muscle, and the extending direction of spacing muscle is the axis direction of movable rod, and is corresponding, and the inner wall design of rotating part 32 has the spacing draw-in groove of assorted with it, and the movable rod passes through spacing muscle sliding connection in spacing draw-in groove, and drilling equipment 46 has a lot of kinds on the market now, can select by oneself as required, and no longer give unnecessary details.
Referring to fig. 2 to 5, further, the engaging portion 44 includes a third transmission gear 442 engaged with the rack plate 42; and a worm wheel 441 engaged with the worm 451, the third driving gear 442 and the worm wheel 441 being coaxially connected, the number of the third driving gears 442 being the same as the number of the rack plates 42, the worm wheel 441 and the third driving gear 442 being coaxially rotated.
Referring to fig. 1, further, the moving mechanism 4 further includes a second supporting frame 43 fixedly connected to the rotating portion 32, the engaging portion 44 and the transmission assembly 45 are both mounted on the second supporting frame 43, the second supporting frame 43 drives a fourth transmission gear 453 to engage with the second transmission gear 35 in a manner of rotating the rotating portion 32 around the central axis of the rotating portion 32, the fourth transmission gear 453 is connected to the second transmission gear 35 in a manner of engaging with the second transmission gear 35 in a manner of driving the transmission assembly 45 to rotate around its own axis, so that the worm 451 in the transmission assembly 45 drives the third transmission gear 442 to rotate through the worm wheel 441, the rotating motion of the third transmission gear 442 drives the moving portion 41 to linearly move along the central axis of the rotating portion 32 through the rack plate 42, and the angle of the drilling device 46 and the position of the drilling device 46 in the axial direction of the moving portion 41 can be adjusted at the same time, the above is the linkage effect that second spacing arch 4521 produced when sliding in to first spacing groove 4511, when second spacing arch 4521 slides in to recess 4512, drilling equipment 46 only can be rotary motion around the central axis of rotation portion 32, when second spacing arch 4521 slides in to second spacing groove 4513, drilling equipment 46 rotates to certain angle back around the central axis of rotation portion 32, the accessible manually rotates the mode of fourth drive gear 453 and drives worm 451 rotatory, drive drilling equipment 46 and move to appointed position along the axis of movable part 41, can adjust drilling equipment 46 to suitable angle or position fast according to the change of external topography, possess convenient regulation and the characteristics that the practicality is strong, the problem that current survey device for oil development exists the inconvenient regulation has been solved.
Referring to fig. 6, preferably, the movable portion 41 is further provided with a sliding groove 412, the second supporting frame 43 is provided with a limiting block 431, the limiting block 431 is embedded in the sliding groove 412, and when the movable portion 41 slides, the limiting block 431 is slidably connected in the sliding groove 412, so that the stability of the movable portion 41 can be improved.
Referring to fig. 1, as an embodiment of the present application, the rotating mechanism 3 further includes a first supporting frame 36, a ball head 37 connected to the bearing portion 1 is mounted on the first supporting frame 36, and the driving portion 31 and the fixing assembly 33 are both mounted on the first supporting frame 36.
Please refer to fig. 1, further, the portable drilling device further includes an extensible member 2, two ends of the extensible member 2 are respectively connected to the bearing portion 1 and the second support frame 43, the extensible member 2 is capable of driving the first support frame 36 to rotate around the center of the ball head 37, the extensible member 2 can be designed as an electric telescopic rod or a hydraulic telescopic rod, the extensible member 2 can drive the rotating mechanism 3 and the moving mechanism 4 to rotate together to adjust the angle of the drilling device 46, so as to further expand the adjustment range of the drilling device 46, and the portable drilling device has better flexibility and stronger practicability.
When the application is used, the driving part 31 drives the rotating part 32 and the moving mechanism 4 to rotate around the central axis of the rotating part 32, when the angle of the drilling equipment 46 and the position of the drilling equipment 46 in the axial direction of the movable part 41 are to be adjusted simultaneously, the movable sleeve part 452 is pushed manually, the second limiting protrusion 4521 slides into the first limiting groove 4511, at this time, the fourth transmission gear 453 is meshed with the second transmission gear 35, the second supporting frame 43 drives the fourth transmission gear 453 to be meshed with the second transmission gear 35 in a manner of rotating around the central axis of the rotating part 32 along with the rotating part 32, the fourth transmission gear 453 is meshed with the second transmission gear 35 in a manner of driving the transmission assembly 45 to rotate around its own axis, so that the worm 451 in the transmission assembly 45 drives the third transmission gear 442 to rotate through the worm wheel 441, the rotating motion of the third transmission gear 442 drives the movable part 41 to linearly move along the central axis of the rotating part 32 through the rack plate 42, when the drilling equipment 46 is required to rotate around the central axis of the rotating part 32 to adjust the angle, the movable sleeve 452 is manually pushed, the second limit protrusion 4521 slides into the groove 4512, when the drilling equipment 46 is required to be manually adjusted to move to a specified position along the axis of the moving part 41, the movable sleeve 452 is manually pushed, the second limit protrusion 4521 slides into the second limit groove 4513, and after the drilling equipment 46 rotates around the central axis of the rotating part 32 to a certain angle, the fourth transmission gear 453 is manually rotated.
In summary, in the process that the moving mechanism 4 rotates along with the rotating mechanism 3, the second limiting protrusion 4521 on the movable sleeve 452 can move back and forth between the first limiting groove 4511, the groove 4512 and the second limiting groove 4513 on the worm 451 in a manner of manually adjusting the movable sleeve 452, so that the purpose of quickly adjusting the angle or position of the drilling equipment 46 is achieved, and the problem that the conventional surveying device for oil exploitation is inconvenient to adjust is solved.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications, improvements and substitutions can be made, which are all within the protection scope of the present technical solution.
Claims (4)
1. A survey device for oil development convenient to adjust, includes bearing part (1), its characterized in that still includes:
the rotating mechanism (3) is positioned on the bearing part (1), the rotating mechanism (3) comprises a rotating part (32), a fixed sleeving part (33) and a driving part (31), the driving part (31) is connected with the rotating part (32) and is used for driving the rotating part (32) to rotate around the central axis of the rotating part, the fixed sleeving part (33) is fixedly sleeved on the rotating part (32), and a second transmission gear (35) is installed on the fixed sleeving part (33); the moving mechanism (4) is positioned on the bearing part (1), the moving mechanism (4) comprises a moving part (41), an engaging part (44) and a transmission assembly (45), the moving part (41) is movably connected to the rotating part (32), the moving part (41) is engaged with the engaging part (44), and the transmission assembly (45) comprises a worm (451) engaged with the engaging part (44); and a movable sleeve part (452) movably sleeved on the worm (451), wherein a first limit groove (4511), a groove (4512) and a second limit groove (4513) are formed in the worm (451), a second limit protrusion (4521) in sliding connection with the first limit groove (4511) and the second limit groove (4513) is installed on the movable sleeve part (452), a fourth transmission gear (453) in meshing connection with the second transmission gear (35) is installed on the movable sleeve part (452), the length value of the first limit groove (4511), the length value of the groove (4512), the length value of the second limit groove (4513) and the length value of the second limit protrusion (4521) are consistent, the thickness value of the second transmission gear (35) is equal to twice the thickness value of the fourth transmission gear (453), and the thickness value of the second transmission gear (35) is equal to the length value of the second limit protrusion (4521), when the second limiting protrusion (4521) moves towards the direction close to the second limiting groove (4513), the fourth transmission gear (453) moves towards the direction far away from the second transmission gear (35), when the second limiting protrusion (4521) is positioned in the second limiting groove (4513), the fourth transmission gear (453) is separated from the second transmission gear (35), and the movable part (41) is provided with a first limiting protrusion (411) connected with the rotating part (32); the rack plate (42) is meshed with the meshing part (44), the rack plate (42) is installed at the end part of the movable part (41), drilling equipment (46) is installed on one side, far away from the meshing part (44), of the rack plate (42), the first limiting protrusion (411) is connected to the surface of the movable part (41), and the meshing part (44) comprises a third transmission gear (442) meshed with the rack plate (42); and a worm wheel (441) meshed with the worm (451), wherein the third transmission gear (442) and the worm wheel (441) are coaxially connected.
2. The oil exploitation survey device convenient to adjust according to claim 1, wherein the moving mechanism (4) further comprises a second support frame (43) fixedly connected with the rotating portion (32), the engaging portion (44) and the transmission assembly (45) are both mounted on the second support frame (43), the second support frame (43) drives a fourth transmission gear (453) to be engaged with the second transmission gear (35) in a manner of following the rotating portion (32) to make a rotating motion around the central axis of the rotating portion (32), the fourth transmission gear (453) is driven to be engaged with the second transmission gear (35) in a manner of being engaged with the second transmission gear (35) to drive the transmission assembly (45) to rotate around the axis thereof, so that a worm (451) in the transmission assembly (45) drives the third transmission gear (442) to rotate through a worm wheel (441), and the rotating motion of the third transmission gear (442) drives the movable portion (41) to make a straight motion along the central axis of the rotating portion (32) through a rack plate (42) The wire moves.
3. An adjustable oil exploration device according to claim 2, wherein said rotation mechanism (3) further comprises a first support frame (36), said first support frame (36) having a ball head (37) attached to said bearing portion (1), said drive portion (31) and said securing attachment (33) being mounted on said first support frame (36).
4. An adjustable petroleum exploitation surveying device according to claim 3, further comprising a telescopic member (2), wherein two ends of the telescopic member (2) are respectively connected to the bearing portion (1) and the second supporting frame (43), and the telescopic movement of the telescopic member (2) drives the first supporting frame (36) to rotate around the center of the ball head (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082480.7A CN113530463B (en) | 2021-09-15 | 2021-09-15 | Oil development is with surveying device convenient to adjust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082480.7A CN113530463B (en) | 2021-09-15 | 2021-09-15 | Oil development is with surveying device convenient to adjust |
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| CN113530463A CN113530463A (en) | 2021-10-22 |
| CN113530463B true CN113530463B (en) | 2021-12-03 |
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| CN113790021B (en) * | 2021-11-12 | 2022-08-09 | 枣庄度秘信息科技有限公司 | Soil drilling device for natural resource development |
| CN114614398B (en) * | 2022-05-11 | 2022-08-02 | 国网山东省电力公司东营供电公司 | Distribution lines switching lifting devices |
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| SE7406100L (en) * | 1974-05-07 | 1975-11-10 | Linden Alimak Ab | BORRAGGREGAT. |
| CN210343250U (en) * | 2019-06-13 | 2020-04-17 | 龙岩市腾兴机械维修有限公司 | Drilling equipment for marble exploitation |
| CN211666633U (en) * | 2020-03-10 | 2020-10-13 | 张智朋 | Drilling equipment is used in geotechnical engineering reconnaissance |
| CN212105738U (en) * | 2020-05-13 | 2020-12-08 | 陈玉凤 | Perforating device that oil was opened and was adopted |
| CN213116143U (en) * | 2020-09-15 | 2021-05-04 | 唐思思 | Quick drilling device for resource exploration |
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Effective date of registration: 20240923 Address after: Room 410-1, Building D, High tech Zone Energy Information Port, No. 233 South Second Road, Shengyuan Street, Dongying District, Dongying City, Shandong Province, China 257000 Patentee after: Shandong Huiqian Energy Technology Co.,Ltd. Country or region after: China Address before: 257081 room 435, Chuangye Valley, high tech Zone, No.1 building, No.23 Xianhe Road, Dongying District, Dongying City, Shandong Province Patentee before: Shandong Baiyuan Technology Co.,Ltd. Country or region before: China |