CN112061304A - Underwater building crack detection device - Google Patents
Underwater building crack detection device Download PDFInfo
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- CN112061304A CN112061304A CN202010932322.5A CN202010932322A CN112061304A CN 112061304 A CN112061304 A CN 112061304A CN 202010932322 A CN202010932322 A CN 202010932322A CN 112061304 A CN112061304 A CN 112061304A
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 230000006378 damage Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 11
- 241000883990 Flabellum Species 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B2017/0054—Rests or supports for movable ship-borne equipment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to the field of underwater building detection, in particular to an underwater building crack detection device, wherein a fixed connection fixing seat on a ship body is provided with a lifting assembly, the lifting assembly is in transmission connection with the bottom of a movable plate and is fixedly connected with a connecting column, the bottom end of the connecting column is fixedly connected with a rectangular seat and is provided with an installation cavity, the top inner wall of the installation cavity, which is provided with an annular groove, is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a turntable, the bottom of the turntable is fixedly connected with an electric push rod, the output shaft of the electric push rod is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a fixed plate, the bottom of the fixed plate extends to the lower part of the bottom of the rectangular seat, two sides of the fixed plate are fixedly connected with detectors, and, and the detector is easily impacted by water flow to cause damage.
Description
Technical Field
The invention relates to the field of underwater building detection, in particular to an underwater building crack detection device.
Background
The most important structures in the underwater building are composed of concrete members, and in the long-term use process, due to the invasion of external reasons such as wind waves, corrosion, hydraulic scouring and temperature stress, cracks can occur in the building, so that the underwater building needs to be detected in time.
The existing crack detector is generally adopted for detecting the underwater building, but the traditional crack detector has detection dead angles, so that the phenomenon of missed detection is easy to occur, and the detector is easy to be impacted by water flow to cause damage, so that the underwater building crack detection device is provided for solving the problem.
Disclosure of Invention
In view of the above, the invention provides a crack detection device for an underwater building, which is used for solving the problems that the existing crack detector is generally used for detecting the underwater building, but the traditional crack detector has detection dead corners, is easy to miss detection, and is easy to be damaged due to the impact of water flow.
In order to achieve the above purpose, the invention provides a crack detection device for an underwater building, which comprises a ship body, wherein a fixed seat is fixedly connected to the ship body, a lifting assembly is arranged on the fixed seat, a movable plate is connected to the lifting assembly in a transmission manner, the bottom of the movable plate is fixedly connected with a connecting column, the bottom end of the connecting column is fixedly connected with a rectangular seat, an installation cavity is arranged on the rectangular seat, an annular groove is formed in the inner wall of the top of the installation cavity, a first motor is fixedly connected to the inner wall of the top of the annular groove, a rotary disc is fixedly connected to an output shaft of the first motor, an electric push rod is fixedly connected to the bottom of the rotary disc, a connecting plate is fixedly connected to the output shaft of the electric push rod, a fixed plate is fixedly connected to the bottom of the connecting plate, the bottom, and the rectangular seat is provided with an anti-impact assembly.
The beneficial effect of this basic scheme lies in: can make the detector rotate through first motor, can the omnidirectional detect the building under water like this, detect no dead angle, and the fixed plate rotates and to make the rotation post drive a plurality of flabellums and rotate, and the flabellum can rotate under the impact of rivers simultaneously, dissolves the impact force of rivers, reduces the impact of rivers to protected the detector can not receive the damage.
Further, lifting unit is including establishing the fixed cavity on the fixing base, fixedly connected with second motor on the top inner wall of fixed cavity, fixedly connected with pivot on the output shaft of second motor, fixed cover is equipped with first reel in the pivot, the fixed cavity internal rotation is connected with the screw thread axle, fixed cover is equipped with the second reel on the screw thread axle, around being equipped with same stay cord on first reel and the second reel, threaded connection has the thread plate on the screw thread axle, one side of thread plate extend to one side of fixing base and with one side fixed connection of movable plate, beneficial effect: can make the pivot drive first reel rotate through the second motor, first reel can tighten up the stay cord, and then can drive the screw shaft through the second reel and rotate, and the screw shaft can make the flighting drive movable plate downstream, and the movable plate can drive the rectangle seat downstream through the spliced pole to the convenience moves down the detector to the aquatic and detects.
Further, protecting against shock subassembly is including rotating the rotation post of connection in the fixed plate bottom, rotate a plurality of flabellums of fixedly connected with on the post, beneficial effect: the fixed plate rotates and can make the rotary column drive a plurality of flabellums to rotate, and the flabellum can rotate under the impact of rivers, dissolves the impact force of rivers, reduces the impact of rivers to protected the detector can not receive the damage.
Further, two gag lever posts of the top symmetry fixedly connected with of carousel, the top of two gag lever posts all rotates with the top inner wall of ring channel to be connected, beneficial effect: the limiting rod can enable the turntable to rotate more stably, so that the detector can rotate stably.
Further, equal fixedly connected with electric telescopic handle on the both sides inner wall of installation cavity, the equal fixedly connected with riser of one end that two electric telescopic handle are close to each other, the equal fixedly connected with in one side that two risers are close to each other is sealed fills up, beneficial effect: two electric telescopic handle can make two risers drive two sealed pad and be close to each other to can be sealed with the through-hole between installation cavity and the rectangle seat, prevent when examining under water, water can get into in the installation cavity, causes the harm to the part in the installation cavity.
Further, two limiting plates of bottom symmetry fixedly connected with of carousel, the both sides of connecting plate respectively with two limiting plates one side sliding connection that are close to each other, beneficial effect: the limiting plate can make the connecting plate can the steady movement, can not take place the offset.
Further, the spout has been seted up on one side inner wall of fixed cavity, the opposite side of threading board and one side inner wall sliding connection of spout, beneficial effect: the spout can carry on spacingly to the threading board, prevents that the threading board from rotating along with the screw shaft.
Further, the cover is equipped with torsion spring on the threaded spindle, torsion spring's both ends respectively with the top of second reel and the top inner wall fixed connection of fixed cavity, beneficial effect: the torsion spring can provide the reset power for the threaded shaft.
Further, fixedly connected with rectangular plate on the opposite side inner wall of fixed cavity, the top fixedly connected with bearing of rectangular plate, the bottom of pivot extend to the bearing in and with the inner circle fixed connection of bearing, beneficial effect: through rectangular plate and bearing, can make the rotation that the pivot can be firm.
Further, two spacing grooves have been seted up to the symmetry on the bottom inner wall of installation cavity, the bottom of two risers respectively with the bottom inner wall sliding connection of two spacing grooves, beneficial effect: the limiting groove can enable the vertical plate to move more smoothly.
The invention has the beneficial effects that:
1. according to the underwater building crack detection device disclosed by the invention, the rotating shaft can drive the first reel to rotate through the second motor, the first reel can tighten the pull rope, the second reel can drive the threaded shaft to rotate, the threaded shaft can drive the threaded plate to drive the movable plate to move downwards, and the movable plate can drive the rectangular seat to move downwards through the connecting column, so that the detector can be conveniently moved downwards into water for detection.
2. According to the underwater building crack detection device disclosed by the invention, the first motor can enable the turntable to drive the fixing plate to rotate, so that the two detectors can rotate, the underwater building can be detected in an all-around manner, no dead angle exists in detection, the rotation of the fixing plate can enable the rotating column to drive the plurality of fan blades to rotate, and meanwhile, the fan blades can rotate under the impact of water flow, so that the impact force of the water flow is dissolved, the impact of the water flow is reduced, and the detectors are protected from being damaged.
3. According to the underwater building crack detection device disclosed by the invention, the two vertical plates can drive the two sealing gaskets to mutually approach through the two electric telescopic rods, so that a through hole between the installation cavity and the rectangular seat can be sealed, and water is prevented from entering the installation cavity to damage parts in the installation cavity during underwater detection.
The underwater building detection device is reasonable in structure and simple to operate, the first motor can enable the detector to rotate, so that underwater buildings can be detected in an all-around mode, no dead angle exists in detection, the rotating column can drive the plurality of fan blades to rotate due to the rotation of the fixing plate, meanwhile, the fan blades can rotate under the impact of water flow, the impact force of the water flow is dissolved, the impact of the water flow is reduced, and therefore the detector is protected from being damaged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a front view of an apparatus for detecting cracks in an underwater structure according to the present invention;
FIG. 2 is a cross-sectional view of a rectangular base of the crack detection device for an underwater building of the present invention;
FIG. 3 is a sectional view of a fixing base of the crack detection device for an underwater building according to the present invention;
FIG. 4 is an assembly view of a rotary post and fan blades in the crack detection device for an underwater structure of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 3 according to the present invention.
The drawings are numbered as follows: the device comprises a ship body 1, a fixed seat 2, a movable plate 3, a connecting column 4, a rectangular seat 5, an installation cavity 6, a first motor 7, a rotating disc 8, a fixed plate 9, a detector 10, a fixed cavity 11, a second motor 12, a rotating shaft 13, a first reel 14, a threaded shaft 15, a second reel 16, a threaded plate 17, a sliding chute 18, a rectangular plate 19, a torsion spring 20, an annular groove 21, a limiting rod 22, an electric push rod 23, a connecting plate 24, an electric telescopic rod 25, a vertical plate 26, a sealing gasket 27, a limiting groove 28, a rotating column 29, fan blades 30 and a limiting plate 31.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1-5, an underwater building crack detection device comprises a hull 1, a fixed seat 2 is fixedly connected to the hull 1, a lifting assembly is arranged on the fixed seat 2, the lifting assembly is in transmission connection with a movable plate 3, the bottom of the movable plate 3 is fixedly connected with a connecting column 4, the bottom end of the connecting column 4 is fixedly connected with a rectangular seat 5, an installation cavity 6 is arranged on the rectangular seat 5, an annular groove 21 is formed in the inner wall of the top of the installation cavity 6, a first motor 7 is fixedly connected to the inner wall of the top of the annular groove 21, a rotary disc 8 is fixedly connected to an output shaft of the first motor 7, an electric push rod 23 is fixedly connected to the bottom of the rotary disc 8, a connecting plate 24 is fixedly connected to an output shaft of the electric push rod 23, a fixed plate 9 is fixedly connected to the bottom of the connecting plate 24, the bottom of, be equipped with the protecting against shock subassembly on the rectangle seat 5, can make detector 10 rotate through first motor 7, can the omnidirectional detect the building under water like this, detect no dead angle, and the protecting against shock subassembly can be separated the impact force of rivers, reduces the impact of rivers to protection detector 10 can not receive the damage.
In this embodiment, the anti-impact assembly includes a rotation post 29 rotatably connected to the bottom of the fixing plate 9, a plurality of blades 30 are fixedly connected to the rotation post 29, the fixing plate 9 can rotate to enable the rotation post 29 to drive the plurality of blades 30 to rotate, and simultaneously the blades 30 can rotate under the impact of water flow, so as to decompose the impact force of the water flow and reduce the impact of the water flow, thereby protecting the detector 10 from being damaged, two limiting rods 22 are symmetrically and fixedly connected to the top of the turntable 8, the top ends of the two limiting rods 22 are both rotatably connected to the top inner wall of the annular groove 21, the limiting rods 22 can enable the turntable 8 to rotate more stably, thereby enabling the detector 10 to rotate stably, two limiting plates 31 are symmetrically and fixedly connected to the bottom of the turntable 8, two sides of the connecting plate 24 are respectively slidably connected to one side of the two limiting plates 31, and the limiting plates, no positional shift occurs.
In this embodiment, the lifting assembly includes a fixed cavity 11 disposed on the fixed base 2, a second motor 12 is fixedly connected to an inner wall of a top portion of the fixed cavity 11, a rotating shaft 13 is fixedly connected to an output shaft of the second motor 12, a first reel 14 is fixedly disposed on the rotating shaft 13, a threaded shaft 15 is rotatably connected to the fixed cavity 11, a second reel 16 is fixedly disposed on the threaded shaft 15, the same pull rope is wound on the first reel 14 and the second reel 16, a threaded plate 17 is threadedly connected to the threaded shaft 15, one side of the threaded plate 17 extends to one side of the fixed base 2 and is fixedly connected to one side of the movable plate 3, the rotating shaft 13 can be driven by the second motor 12 to rotate the first reel 14, the pull rope can be tightened by the first reel 14, and then the threaded shaft 15 can be driven by the second reel 16 to rotate, the threaded shaft 15 can drive the movable plate 3 to move downward by the threaded plate, the movable plate 3 can drive the rectangular seat 5 to move downwards through the connecting column 4, so that the detector 10 is conveniently moved downwards into water for detection.
A sliding groove 18 is formed in the inner wall of one side of the fixed cavity 11, the other side of the threaded plate 17 is in sliding connection with the inner wall of one side of the sliding groove 18, the sliding groove 18 can limit the threaded plate 17, the threaded plate 17 is prevented from rotating along with the threaded shaft 15, a torsion spring 20 is sleeved on the threaded shaft 15, two ends of the torsion spring 20 are respectively fixedly connected with the top of the second reel 16 and the inner wall of the top of the fixed cavity 11, the torsion spring 20 can provide reset power for the threaded shaft 15, a rectangular plate 19 is fixedly connected to the inner wall of the other side of the fixed cavity 11, a bearing is fixedly connected to the top of the rectangular plate 19, the bottom end of the rotating shaft 13 extends into the bearing and is fixedly connected with an inner ring of the bearing, the rotating shaft 13 can stably rotate through the rectangular plate 19 and the bearing, electric telescopic rods 25 are fixedly connected to the inner walls of two sides of the installation cavity 6, two risers 26 equal fixedly connected with in one side that are close to each other seal up 27, two electric telescopic handle 25 can make two risers 26 drive two sealed pads 27 and be close to each other, thereby can be sealed the through-hole between installation cavity 6 and the rectangle seat 5, prevent to examine under water, water can get into in the installation cavity 6, cause the harm to the part in the installation cavity 6, two spacing grooves 28 have been seted up to the symmetry on the bottom inner wall of installation cavity 6, the bottom of two risers 26 respectively with the bottom inner wall sliding connection of two spacing grooves 28, spacing groove 28 can make riser 15 can more smooth-going removal.
The using method of the underwater building crack detection device comprises the steps of firstly driving a ship body 1 to the side of an underwater building to be detected, then starting an electric push rod 23, enabling the electric push rod 23 to enable a connecting plate 24 to drive a fixing plate 9 to move downwards, enabling two detectors 10 and a rotating column 29 to move out of the bottom of a rectangular seat 5 through the fixing plate 9, then closing the electric push rod 23, starting two electric telescopic rods 25 at the moment, enabling two vertical plates 26 to drive two sealing gaskets 27 to be close to each other through the two electric telescopic rods 25, further sealing through holes between an installation cavity 6 and the rectangular seat 5, and preventing water from entering the installation cavity 6 when the detectors 10 are detected underwater.
Then the second motor 12 is started, the output shaft of the second motor 12 can make the rotating shaft 13 rotate, the rotating shaft 13 can make the first reel 14 rotate, the first reel 14 can tighten the pull rope, and then the second reel 16 can drive the threaded shaft 15 to rotate, the threaded shaft 15 can make the threaded plate 17 drive the movable plate 3 to move downwards, the movable plate 3 can drive the rectangular base 5 to move downwards through the connecting column 4, so that the rectangular base 5 and the detector 10 can move downwards into the water, at this time, the two detectors 10 and the first motor 7 are started, the output shaft of the first motor 7 can make the rotary disk 8 rotate, the rotary disk 8 can make the two detectors 10 rotate, so that the two detectors 10 can detect underwater buildings in all directions, no dead angle is detected, simultaneously, the fixed plate 9 rotates to make the rotating column 29 drive the plurality of fan blades 30 to rotate, and the fan blades 30 can rotate under the impact of water flow, the impact force of the water flow is dissolved, and the impact of the water flow is reduced, so that the detector 10 is protected from being damaged, the underwater building can be comprehensively detected, and the underwater building detection device is convenient for people to use.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. The utility model provides an underwater building crack detection device, includes hull (1), its characterized in that, fixedly connected with fixing base (2) on hull (1), be equipped with lifting unit on fixing base (2), lifting unit goes up the transmission and is connected with movable plate (3), the bottom fixedly connected with spliced pole (4) of movable plate (3), the bottom fixedly connected with rectangle seat (5) of spliced pole (4), be equipped with installation cavity (6) on rectangle seat (5), ring channel (21) have been seted up on the top inner wall of installation cavity (6), fixedly connected with first motor (7) on the top inner wall of ring channel (21), fixedly connected with carousel (8) on the output shaft of first motor (7), the bottom fixedly connected with electric putter (23) of carousel (8), fixedly connected with connecting plate (24) on the output shaft of electric putter (23), the bottom fixedly connected with fixed plate (9) of connecting plate (24), the bottom of fixed plate (9) extends to the bottom below of rectangle seat (5), the equal fixedly connected with detector (10) in both sides of fixed plate (9), be equipped with the protecting against shock subassembly on rectangle seat (5).
2. An underwater building crack detection device as recited in claim 1, the lifting component comprises a fixed chamber (11) arranged on the fixed seat (2), a second motor (12) is fixedly connected on the inner wall of the top of the fixed chamber (11), a rotating shaft (13) is fixedly connected to an output shaft of the second motor (12), a first reel (14) is fixedly sleeved on the rotating shaft (13), a threaded shaft (15) is rotationally connected in the fixed cavity (11), a second reel (16) is fixedly sleeved on the threaded shaft (15), the first reel (14) and the second reel (16) are wound with the same pull rope, threaded connection has screw plate (17) on threaded shaft (15), one side of screw plate (17) extends to one side of fixing base (2) and with one side fixed connection of movable plate (3).
3. An underwater structure crack detection device as claimed in claim 1, wherein the shock-proof assembly comprises a rotary column (29) rotatably connected to the bottom of the fixing plate (9), and a plurality of fan blades (30) are fixedly connected to the rotary column (29).
4. An underwater building crack detection device as claimed in claim 1, wherein the top of the turntable (8) is symmetrically and fixedly connected with two limiting rods (22), and the top ends of the two limiting rods (22) are rotatably connected with the inner wall of the top of the annular groove (21).
5. The underwater building crack detection device as claimed in claim 1, wherein the inner walls of the installation chamber (6) are fixedly connected with electric telescopic rods (25), the ends of the two electric telescopic rods (25) close to each other are fixedly connected with risers (26), and the sides of the two risers (26) close to each other are fixedly connected with gaskets (27).
6. The underwater building crack detection device according to claim 1, wherein two limit plates (31) are symmetrically and fixedly connected to the bottom of the rotary table (8), and two sides of the connecting plate (24) are respectively connected with one side of the two limit plates (31) close to each other in a sliding manner.
7. The crack detection device for the underwater building as claimed in claim 2, wherein a sliding groove (18) is formed on an inner wall of one side of the fixed chamber (11), and the other side of the thread plate (17) is slidably connected with an inner wall of one side of the sliding groove (18).
8. An underwater building crack detection device as claimed in claim 2, wherein the threaded shaft (15) is sleeved with a torsion spring (20), and both ends of the torsion spring (20) are fixedly connected with the top of the second reel (16) and the inner wall of the top of the fixing chamber (11), respectively.
9. The crack detection device for the underwater building as claimed in claim 2, wherein the inner wall of the fixed chamber (11) is fixedly connected with a rectangular plate (19), the top of the rectangular plate (19) is fixedly connected with a bearing, and the bottom end of the rotating shaft (13) extends into the bearing and is fixedly connected with the inner ring of the bearing.
10. The underwater building crack detection device as claimed in claim 5, wherein the installation chamber (6) is symmetrically provided with two limiting grooves (28) on the inner bottom wall, and the bottoms of the two risers (26) are respectively connected with the inner bottom walls of the two limiting grooves (28) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010932322.5A CN112061304A (en) | 2020-09-08 | 2020-09-08 | Underwater building crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010932322.5A CN112061304A (en) | 2020-09-08 | 2020-09-08 | Underwater building crack detection device |
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| CN112061304A true CN112061304A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010932322.5A Pending CN112061304A (en) | 2020-09-08 | 2020-09-08 | Underwater building crack detection device |
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| CN (1) | CN112061304A (en) |
Cited By (4)
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| CN113196967A (en) * | 2021-03-18 | 2021-08-03 | 山东高速股份有限公司 | Quick trimming means that greenbelt was pruned |
| CN114740153A (en) * | 2022-03-22 | 2022-07-12 | 浙江元兴工程顾问有限公司 | Underwater building crack detection device and detection method |
| CN115071885A (en) * | 2022-08-22 | 2022-09-20 | 苏州海鱼电子科技有限责任公司 | Sonar laying and recycling equipment applied to underwater robot |
| CN117388468A (en) * | 2023-12-13 | 2024-01-12 | 国家***北海海洋工程勘察研究院 | Ocean geology engineering reconnaissance mapping equipment |
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| CN115071885A (en) * | 2022-08-22 | 2022-09-20 | 苏州海鱼电子科技有限责任公司 | Sonar laying and recycling equipment applied to underwater robot |
| CN117388468A (en) * | 2023-12-13 | 2024-01-12 | 国家***北海海洋工程勘察研究院 | Ocean geology engineering reconnaissance mapping equipment |
| CN117388468B (en) * | 2023-12-13 | 2024-03-12 | 国家***北海海洋工程勘察研究院 | Ocean geology engineering reconnaissance mapping equipment |
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