CN215718506U - Novel geological exploration for oil field device - Google Patents
Novel geological exploration for oil field device Download PDFInfo
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- CN215718506U CN215718506U CN202122097952.8U CN202122097952U CN215718506U CN 215718506 U CN215718506 U CN 215718506U CN 202122097952 U CN202122097952 U CN 202122097952U CN 215718506 U CN215718506 U CN 215718506U
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Abstract
The utility model discloses a novel geological exploration device for oil fields, which comprises a U-shaped base, wherein two sides of the top of the U-shaped base are fixedly connected with supporting rods, the top ends of the two supporting rods are fixedly connected with a same top plate, a drill rod is arranged below the top plate, an auger ground blade is arranged on the outer side of the drill rod, the bottom of the top plate is fixedly connected with an external thread sleeve, the drill rod is sleeved on the external thread sleeve in a threaded manner, a first rotary driving mechanism is arranged in the external thread sleeve and fixedly installed in the drill rod, and the top of the top plate is fixedly connected with the first rotary driving mechanism. The drilling and sampling integrated device is convenient for drilling and simultaneously realizing sampling operation, is convenient for shielding the sampling groove after sampling, can effectively avoid the phenomenon that a rock stratum falls off in the process of moving the drill rod upwards, improves the sampling stability, integrates the modes of drilling, sampling and shielding into a whole, and is convenient for personnel to use.
Description
Technical Field
The utility model relates to the technical field of geological exploration equipment, in particular to a novel geological exploration device for an oil field.
Background
The geological type is a key concern object in the oil field exploration process, and determines the judgment of an exploration team on objective factors such as the petroleum type, the petroleum storage amount and the like of a region; present geological exploration device for oil field, it does not possess automatic sampling work at the in-process of drilling, need personnel to use two equipment to make a round trip to change the operation, it is comparatively loaded down with trivial details to operate, and do not possess behind the sample and shelter from the sample connection, there is the risk that the core dropped at the in-process of moving the sampler last, stability is low, it lacks an album drilling and sample and shelters from integrative equipment in order to solve above-mentioned problem to synthesize, therefore we have proposed a novel geological exploration device for oil field is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a novel geological exploration device for an oil field.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a novel geological exploration device for oil fields comprises a U-shaped base, wherein two sides of the top of the U-shaped base are fixedly connected with supporting rods, the top ends of the two supporting rods are fixedly connected with a same top plate, a drill rod is arranged below the top plate, an auger ground leaf is arranged on the outer side of the drill rod, an external thread sleeve is fixedly connected with the bottom of the top plate, a drill rod thread sleeve is sleeved on the external thread sleeve, a first rotary driving mechanism is arranged in the external thread sleeve, the first rotary driving mechanism is fixedly arranged in the drill rod, the top of the top plate is fixedly connected with the first rotary driving mechanism, the bottom end of the drill rod is arranged to be a conical structure and is provided with a sampling groove, the bottom end of the drill rod is movably contacted with two shielding plates which are obliquely arranged, one sides of the two shielding plates which are close to each other are movably contacted, the two shielding plates are symmetrically arranged, the two shielding plates are matched with the sampling groove, and the bottoms of the two sides of the drill rod are provided with the first groove, the side, far away from each other, of each of the two first grooves is provided with an opening, an elastic shielding rubber sheet is fixedly connected between the inner wall of the top of each first groove and the top of the corresponding shielding plate, the front side and the rear side of each elastic shielding rubber sheet are respectively in movable contact with the inner wall of the front side and the inner wall of the rear side of each first groove, a second rotary driving mechanism is rotatably installed on the inner wall of the rear side of each first groove, the bottom of each second rotary driving mechanism is fixedly connected with the top of the corresponding shielding plate, a cavity above the sampling groove is formed in the drill rod, the top end of each second rotary driving mechanism extends into the cavity, the top ends of the two second rotary driving mechanisms are fixedly connected with the same linkage mechanism, a first motor is fixedly connected on the inner wall of the top of the cavity, the bottom end of an output shaft of the first motor is fixedly connected with the top of the linkage mechanism, and a storage battery and a wireless remote control switch are fixedly connected on the inner wall of the top of the cavity, the storage battery and the wireless remote control switch are both electrically connected with the first motor, and the wireless remote control switch is provided with an external remote controller in a matching mode.
Preferably, first rotary driving mechanism is including setting up the square pipe in the external screw thread sleeve, and the thread groove has been seted up on the top of drilling rod, thread groove and external screw thread sleeve threaded connection, the bottom inner wall of thread groove and the bottom fixed connection of square pipe, and the bottom of roof is rotated and is installed the square pole, and square pipe slip cap is established on the square pole, the top fixedly connected with driving motor of roof, driving motor's output shaft bottom and the top fixed connection of square pole.
Preferably, the second rotary driving mechanism includes rotating the circular shaft installed on the inner wall of the rear side of the first groove, a rotating block is fixedly sleeved on the circular shaft, the bottom of the rotating block is fixedly connected with the top of the corresponding baffle plate, a first bevel gear located on the front side of the corresponding rotating block is fixedly sleeved on the circular shaft, a second bevel gear is meshed with the top of the front side of the first bevel gear located on the left side and the bottom of the front side of the first bevel gear located on the right side, the two second bevel gears are symmetrically arranged, a rotating shaft is fixedly connected to the top of the second bevel gear, the top of the rotating shaft extends into the cavity, and the drill rod is rotatably sleeved on the two rotating shafts.
Preferably, the linkage mechanism comprises two chain wheels positioned in the cavity, the bottoms of the chain wheels are fixedly connected with the top ends of the corresponding rotating shafts, the two chain wheels are in transmission connection with the same chain, and the bottom end of the output shaft of the first motor is fixedly connected with the top of the chain wheel positioned on the left side.
Preferably, a first circular hole is formed in the bottom of the top plate, two first bearings are fixedly sleeved in the first circular hole, and the inner side of an inner ring of each first bearing is fixedly connected with the outer side of the square rod.
Preferably, the limiting groove has been seted up on the right side of square pole, fixedly connected with stopper on the right side inner wall of square pipe, stopper and limiting groove sliding connection, the outside of square pipe and the inner wall contactless of external screw thread sleeve pipe.
Preferably, a second circular hole is formed in the inner wall of the top of the first groove and communicated with the inside of the cavity, two second bearings are fixedly sleeved in the second circular hole, and the inner sides of the second bearings are fixedly connected with the outer sides of the corresponding rotating shafts.
Preferably, the distance between the front side and the rear side of the shielding plate is the same as the distance between the front side inner wall and the rear side inner wall of the corresponding first groove, and the distance between the front side and the rear side of the shielding plate is larger than the distance between the front side inner wall and the rear side inner wall of the sampling groove.
Compared with the prior art, the utility model has the beneficial effects that:
through the U-shaped base, the bracing piece, the roof, the drilling rod, driving motor, the external screw thread sleeve pipe, the square bar, square tube, the sample groove, the shielding plate, first groove, the round shaft, the turning block, first bevel gear, the second bevel gear, the cavity, the pivot, first motor, the sprocket, the chain cooperatees with the battery, when carrying out drilling sample operation, positive direction start driving motor drives square tube through the square bar and rotates, square tube drives the drilling rod and rotates and moves down in the outside of external screw thread sleeve pipe, the drilling rod drives the rotation of auger leaf and drills down in the rock formation, when the drilling rod moves down to suitable degree of depth, stop driving motor, next control first motor positive direction start through outside remote controller, first motor drives two pivots through two sprockets and chain, the pivot loops through corresponding second bevel gear and first bevel gear and drives the round shaft and rotates, two round shafts drive two shielding plates through two turning blocks and rotate to the direction of keeping away from each other and relieve the sample tank bottom through two rotation that take a sample The sheltering from of portion, can continue to start driving motor this moment, make the drilling rod drive sample groove downstream and extrude the stratum, under the extrusion force effect, make the stratum extruded into in the sample groove, reverse start first motor immediately, make two shielding plates change into to the direction removal that is close to each other and shelter from the sample groove, reverse start driving motor immediately, make the drilling rod change into to rotate and upwards shift out in the follow stratum, forward start first motor once more, make two shielding plates rotate to the direction of keeping away from each other once more and remove the sheltering from to the sample groove, can take out the stratum this moment, the sample is accomplished.
The drilling and sampling integrated device is convenient for drilling and simultaneously realizing sampling operation, is convenient for shielding the sampling groove after sampling, can effectively avoid the phenomenon that a rock stratum falls off in the process of moving the drill rod upwards, improves the sampling stability, integrates the modes of drilling, sampling and shielding into a whole, and is convenient for personnel to use.
Drawings
FIG. 1 is a schematic structural diagram of a novel geological exploration device for oil fields according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic structural view of a portion B in fig. 2.
In the figure: the device comprises a 100U-shaped base, a 101 supporting rod, a 102 top plate, a 103 drill rod, a 1 driving motor, a 2 external thread sleeve, a 3 square rod, a 4 square tube, a 5 sampling groove, a 6 baffle plate, a 7 first groove, an 8 round shaft, a 9 rotating block, a 10 first bevel gear, a 11 second bevel gear, a 12 cavity, a 13 rotating shaft, a 14 first motor, a 15 chain wheel, a 16 chain and a 17 storage battery.
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.
Referring to fig. 1-4, a novel geological exploration device for oil fields comprises a U-shaped base 100, wherein two sides of the top of the U-shaped base 100 are fixedly connected with supporting rods 101, the top ends of the two supporting rods 101 are fixedly connected with a same top plate 102, a drill rod 103 is arranged below the top plate 102, an auger ground blade is arranged on the outer side of the drill rod 103, an external thread casing 2 is fixedly connected with the bottom of the top plate 102, the drill rod 103 is sleeved on the external thread casing 2 in a threaded manner, a first rotary driving mechanism is arranged in the external thread casing 2, the first rotary driving mechanism is fixedly arranged in the drill rod 103, the top of the top plate 102 is fixedly connected with the first rotary driving mechanism, the bottom end of the drill rod 103 is arranged in a conical structure and provided with a sampling groove 5, the bottom end of the drill rod 103 is movably contacted with two shielding plates 6 which are obliquely arranged, one side of the two shielding plates 6 which are close to each other is movably contacted, the two shielding plates 6 are symmetrically arranged, the two baffle plates 6 are matched with the sampling groove 5, the bottoms of two sides of the drill rod 103 are respectively provided with a first groove 7, one side, away from each other, of each of the two first grooves 7 is provided with an opening, an elastic baffle rubber is fixedly connected between the inner wall of the top of each first groove 7 and the top of the corresponding baffle plate 6, the front side and the rear side of each elastic baffle rubber are respectively in movable contact with the inner wall of the front side and the inner wall of the rear side of the first groove 7, the inner wall of the rear side of each first groove 7 is rotatably provided with a second rotary driving mechanism, the bottom of each second rotary driving mechanism is fixedly connected with the top of the corresponding baffle plate 6, the drill rod 103 is provided with a cavity 12 above the sampling groove 5, the top of each second rotary driving mechanism extends into the cavity 12, the top ends of the two second rotary driving mechanisms are fixedly connected with the same linkage mechanism, the inner wall of the top of the cavity 12 is fixedly connected with a first motor 14, the bottom end of an output shaft of the first motor 14 is fixedly connected with the top of the linkage mechanism, the storage battery 17 and the wireless remote control switch are fixedly connected to the inner wall of the top of the cavity 12, the storage battery 17 and the wireless remote control switch are both electrically connected with the first motor 14, and the wireless remote control switch is provided with an external remote controller in a matching manner;
the first rotary driving mechanism comprises a square pipe 4 arranged in an external thread sleeve 2, a thread groove is formed in the top end of the drill rod 103, the thread groove is in threaded connection with the external thread sleeve 2, the inner wall of the bottom of the thread groove is fixedly connected with the bottom end of the square pipe 4, a square rod 3 is rotatably arranged at the bottom of the top plate 102, the square pipe 4 is slidably sleeved on the square rod 3, a driving motor 1 is fixedly connected to the top of the top plate 102, and the bottom end of an output shaft of the driving motor 1 is fixedly connected with the top end of the square rod 3;
the second rotary driving mechanism comprises a circular shaft 8 which is rotatably arranged on the inner wall of the rear side of the first groove 7, a rotating block 9 is fixedly sleeved on the circular shaft 8, the bottom of the rotating block 9 is fixedly connected with the top of the corresponding baffle plate 6, a first bevel gear 10 which is positioned on the front side of the corresponding rotating block 9 is fixedly sleeved on the circular shaft 8, second bevel gears 11 are respectively meshed with the top of the front side of the first bevel gear 10 positioned on the left side and the bottom of the front side of the first bevel gear 10 positioned on the right side, the two second bevel gears 11 are symmetrically arranged, a rotating shaft 13 is fixedly connected with the top of the second bevel gear 11, the top end of the rotating shaft 13 extends into the cavity 12, and the drill rod 103 is rotatably sleeved on the two rotating shafts 13;
the linkage mechanism comprises two chain wheels 15 positioned in the cavity 12, the bottoms of the chain wheels 15 are fixedly connected with the top ends of the corresponding rotating shafts 13, the two chain wheels 15 are in transmission connection with the same chain 16, and the bottom end of an output shaft of the first motor 14 is fixedly connected with the top of the chain wheel 15 positioned on the left side.
In the utility model, the bottom of a top plate 102 is provided with a first circular hole, two first bearings are fixedly sleeved in the first circular hole, the inner side of an inner ring of each first bearing is fixedly connected with the outer side of a square rod 3, the right side of the square rod 3 is provided with a limiting groove, the inner wall of the right side of a square tube 4 is fixedly connected with a limiting block, the limiting block is connected with the limiting groove in a sliding way, the outer side of the square tube 4 is not contacted with the inner wall of an external thread sleeve 2, the inner wall of the top of a first groove 7 is provided with a second circular hole which is communicated with the inside of a cavity 12, two second bearings are fixedly sleeved in the second circular hole, the inner side of the inner ring of each second bearing is fixedly connected with the outer side of a corresponding rotating shaft 13, the distance between the front side and the rear side of a baffle plate 6 is the same as the distance between the inner wall of the front side and the inner wall of the rear side of the corresponding first groove 7, and the distance between the front side and the rear side of the baffle plate 6 is larger than the distance between the inner wall of the front side and the inner wall of the sampling groove 5, the utility model is convenient for realizing sampling operation while drilling, shielding the sampling groove 5 after sampling, effectively avoiding the phenomenon that the rock stratum falls off in the process of moving the drill rod 103 upwards, improving the sampling stability, and being convenient for personnel to use by integrating the modes of drilling, sampling and shielding.
The working principle is as follows: when the device is used, during drilling and sampling operation, the whole device is moved to a position needing sampling, the driving motor 1 is started in a forward direction, the output shaft of the driving motor 1 drives the square rod 3 to rotate, the square rod 3 drives the square pipe 4 to rotate, the square pipe 4 drives the drill rod 103 to rotate, under the action of a thread groove formed in the drill rod 103, the drill rod 103 moves downwards while rotating on the outer side of the external thread casing 2, the drill rod 103 drives the auger blades to rotate and downwards drill into a rock stratum, when a person observes that the drill rod 103 moves downwards to a proper depth, the driving motor 1 is stopped, then the wireless remote control switch is controlled through an external remote controller to control the forward start of the first motor 14, the output shaft of the first motor 14 drives the left chain wheel 15 to rotate, the left chain wheel 15 drives the right chain wheel 15 to rotate through the chain 16, the chain wheel 15 drives the corresponding rotating shaft 13 to rotate, and the rotating shaft 13 drives the corresponding second bevel gear 11 to rotate, the second bevel gear 11 drives the first bevel gear 10 engaged with the second bevel gear to rotate, the two first bevel gears 10 drive the corresponding circular shafts 8 to rotate, because the two first bevel gears 10 are symmetrically arranged, the rotating directions of the two circular shafts 8 are opposite, the two circular shafts 8 drive the two rotating blocks 9 to rotate in the directions away from each other, the two rotating blocks 9 drive the two shielding plates 6 to rotate in the directions away from each other to remove shielding on the bottom of the sampling groove 5, the shielding plates 6 rotate and simultaneously extrude the corresponding elastic shielding rubber, at the moment, the driving motor 1 can be continuously started to ensure that the drill rod 103 continuously rotates and moves downwards, the drill rod 103 drives the sampling groove 5 to move downwards and extrude the rock stratum, under the action of extrusion force, the rock stratum is extruded into the sampling groove 5, the first motor 14 is reversely started, and the motion process of the first motor 14 is similarly opposite to the motion process of the forward starting of the first motor 14, make two shielding plates 6 change to and move and shelter from sample groove 5 to the direction that is close to each other, reverse start driving motor 1 is followed, the motion process with forward start driving motor 1 is opposite for the drilling rod 103 changes to rotate and upwards moves out from the stratum, forward start first motor 14 once more immediately, make two shielding plates 6 rotate to the direction of keeping away from each other once more and remove the sheltering from to sample groove 5, can take out the stratum this moment, the sample is accomplished.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. A novel geological exploration device for oil fields comprises a U-shaped base (100), wherein two supporting rods (101) are fixedly connected to two sides of the top of the U-shaped base (100), the top ends of the two supporting rods (101) are fixedly connected with a same top plate (102), a drill rod (103) is arranged below the top plate (102), and an auger ground leaf is arranged on the outer side of the drill rod (103), the geological exploration device is characterized in that an external thread sleeve (2) is fixedly connected to the bottom of the top plate (102), the drill rod (103) is sleeved on the external thread sleeve (2) in a threaded manner, a first rotary driving mechanism is arranged in the external thread sleeve (2), the first rotary driving mechanism is fixedly arranged in the drill rod (103), the top of the top plate (102) is fixedly connected with the first rotary driving mechanism, the bottom end of the drill rod (103) is of a conical structure and is provided with a sampling groove (5), and the bottom end of the drill rod (103) is movably contacted with two shielding plates (6) which are obliquely arranged, one side of each of the two shielding plates (6) close to each other is in movable contact, the two shielding plates (6) are symmetrically arranged, the two shielding plates (6) are matched with the sampling groove (5), the bottoms of the two sides of the drill rod (103) are respectively provided with a first groove (7), one side of each of the two first grooves (7) far away from each other is provided with an opening, an elastic shielding rubber sheet is fixedly connected between the inner wall of the top of the first groove (7) and the top of the corresponding shielding plate (6), the front side and the rear side of the elastic shielding rubber sheet are respectively in movable contact with the inner wall of the front side and the inner wall of the rear side of the first groove (7), a second rotary driving mechanism is rotatably installed on the inner wall of the rear side of the first groove (7), the bottom of the second rotary driving mechanism is fixedly connected with the top of the corresponding shielding plate (6), a cavity (12) positioned above the sampling groove (5) is formed in the drill rod (103), and the top end of the second rotary driving mechanism extends into the cavity (12), the top end fixedly connected with of two rotatory actuating mechanism of second is the same link gear, fixedly connected with first motor (14) on the top inner wall of cavity (12), the output shaft bottom of first motor (14) and link gear's top fixed connection, fixedly connected with battery (17) and wireless remote switch on the top inner wall of cavity (12), battery (17) and wireless remote switch all with first motor (14) electric connection, wireless remote switch matches and is provided with outside remote controller.
2. The novel geological exploration device for the oil field as claimed in claim 1, wherein the first rotary driving mechanism comprises a square pipe (4) arranged in an external thread sleeve (2), a thread groove is formed in the top end of a drill rod (103), the thread groove is in threaded connection with the external thread sleeve (2), the inner wall of the bottom of the thread groove is fixedly connected with the bottom end of the square pipe (4), a square rod (3) is rotatably installed at the bottom of a top plate (102), the square pipe (4) is slidably sleeved on the square rod (3), a driving motor (1) is fixedly connected to the top of the top plate (102), and the bottom end of an output shaft of the driving motor (1) is fixedly connected with the top end of the square rod (3).
3. The novel geological exploration device for oil fields as claimed in claim 1, second rotary driving mechanism installs circle axle (8) on first groove (7) rear side inner wall including rotating, fixed cover is equipped with turning block (9) on circle axle (8), the top fixed connection of the bottom of turning block (9) and corresponding shielding plate (6), fixed cover is equipped with first bevel gear (10) that are located corresponding turning block (9) front side on circle axle (8), the front side top that is located left first bevel gear (10) and the front side bottom that is located first bevel gear (10) on right side all mesh second bevel gear (11), the top fixedly connected with pivot (13) of second bevel gear (11), the top of pivot (13) extends to in cavity (12), drilling rod (103) are rotated the cover and are established on two pivots (13).
4. The novel oilfield geological exploration device as defined by claim 1, wherein the linkage mechanism comprises two chain wheels (15) located in the cavity (12), the bottoms of the chain wheels (15) are fixedly connected with the top ends of the corresponding rotating shafts (13), the two chain wheels (15) are in transmission connection with a same chain (16), and the bottom end of the output shaft of the first motor (14) is fixedly connected with the top of the chain wheel (15) located on the left side.
5. The novel geological exploration device for the oil field as claimed in claim 2, wherein a first circular hole is formed in the bottom of the top plate (102), two first bearings are fixedly sleeved in the first circular hole, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer side of the square rod (3).
6. The novel geological exploration device for the oil field as claimed in claim 2, wherein a limiting groove is formed in the right side of the square rod (3), a limiting block is fixedly connected to the inner wall of the right side of the square tube (4), the limiting block is slidably connected with the limiting groove, and the outer side of the square tube (4) is not in contact with the inner wall of the external thread casing (2).
7. A novel geological exploration device for oil fields as defined by claim 3, wherein a second circular hole is formed on the inner wall of the top of the first groove (7), the second circular hole is communicated with the inside of the cavity (12), two second bearings are fixedly sleeved in the second circular hole, and the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding rotating shafts (13).
8. A novel oilfield geological exploration device, as set forth in claim 3, characterized in that the distance between the front and rear sides of said shutter (6) is the same as the distance between the front and rear inner walls of the corresponding first groove (7), the distance between the front and rear sides of the shutter (6) being greater than the distance between the front and rear inner walls of the sampling groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122097952.8U CN215718506U (en) | 2021-09-01 | 2021-09-01 | Novel geological exploration for oil field device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122097952.8U CN215718506U (en) | 2021-09-01 | 2021-09-01 | Novel geological exploration for oil field device |
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| CN215718506U true CN215718506U (en) | 2022-02-01 |
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| CN202122097952.8U Active CN215718506U (en) | 2021-09-01 | 2021-09-01 | Novel geological exploration for oil field device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623353A (en) * | 2022-04-18 | 2022-06-14 | 蒙城县水利局建筑工程队 | Farmland irrigation monitoring device and method |
| CN116291420A (en) * | 2023-03-13 | 2023-06-23 | 临沂市自然资源和规划局 | Feedback early warning device for geological survey and application method thereof |
| CN116335531A (en) * | 2023-05-30 | 2023-06-27 | 山西晋恒源岩土工程有限责任公司 | Geotechnical engineering drilling machine |
-
2021
- 2021-09-01 CN CN202122097952.8U patent/CN215718506U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623353A (en) * | 2022-04-18 | 2022-06-14 | 蒙城县水利局建筑工程队 | Farmland irrigation monitoring device and method |
| CN114623353B (en) * | 2022-04-18 | 2023-09-22 | 蒙城县水利局建筑工程队 | Farmland irrigation monitoring device and method |
| CN116291420A (en) * | 2023-03-13 | 2023-06-23 | 临沂市自然资源和规划局 | Feedback early warning device for geological survey and application method thereof |
| CN116291420B (en) * | 2023-03-13 | 2023-09-19 | 临沂市自然资源和规划局 | Feedback early warning device for geological survey and application method thereof |
| CN116335531A (en) * | 2023-05-30 | 2023-06-27 | 山西晋恒源岩土工程有限责任公司 | Geotechnical engineering drilling machine |
| CN116335531B (en) * | 2023-05-30 | 2023-08-08 | 山西晋恒源岩土工程有限责任公司 | Geotechnical engineering drilling machine |
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