CN113739754A - Observation device for hydrological and water resource engineering and use method thereof - Google Patents

Observation device for hydrological and water resource engineering and use method thereof Download PDF

Info

Publication number
CN113739754A
CN113739754A CN202111106764.5A CN202111106764A CN113739754A CN 113739754 A CN113739754 A CN 113739754A CN 202111106764 A CN202111106764 A CN 202111106764A CN 113739754 A CN113739754 A CN 113739754A
Authority
CN
China
Prior art keywords
plate
gear
fixedly connected
fixed
laser range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202111106764.5A
Other languages
Chinese (zh)
Inventor
何强
解祥民
潘丙磊
朱文峰
董方鹏
刘丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Geological Brigade of Shandong Provincial Bureau of Geology and Mineral Resources of First Geological and Mineral Exploration Institute of Shandong Province
Original Assignee
First Geological Brigade of Shandong Provincial Bureau of Geology and Mineral Resources of First Geological and Mineral Exploration Institute of Shandong Province
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Geological Brigade of Shandong Provincial Bureau of Geology and Mineral Resources of First Geological and Mineral Exploration Institute of Shandong Province filed Critical First Geological Brigade of Shandong Provincial Bureau of Geology and Mineral Resources of First Geological and Mineral Exploration Institute of Shandong Province
Priority to CN202111106764.5A priority Critical patent/CN113739754A/en
Publication of CN113739754A publication Critical patent/CN113739754A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The invention relates to the field of observation of water resource engineering, in particular to an observation device for hydrology and water resource engineering and a using method thereof, the observation device comprises a laser range finder, the lower end of the laser range finder is fixedly connected with a support column through a connecting flange, a telescopic groove is arranged in the support column, a telescopic column is slidably connected in the telescopic groove, the lower end of the telescopic column passes through the telescopic groove and is fixedly connected with a bottom plate, the lower end of the bottom plate is provided with a stabilizing mechanism, the connecting part of the side wall of the telescopic groove and the telescopic column is provided with a fixing mechanism, a connecting rod and a gear sleeve are pushed by a connecting spring of the fixing mechanism to slide downwards and are meshed with a linkage gear, the linkage gear can be fixed, and the support column and the telescopic column are fixed at specified positions, so that the height of the laser range finder is adjusted, and the difference of the heights of two banks of a river is avoided, the laser range finder emits laser with a height different from that of the laser receiver opposite to the bank, so that the situation of accurate ranging cannot be realized.

Description

Observation device for hydrological and water resource engineering and use method thereof
Technical Field
The invention relates to the field of observation of water resource engineering, in particular to an observation device for hydrology and water resource engineering and a using method thereof.
Background
The water resource observation is a scientific analysis means for reasonably utilizing water resources, and when the river is observed, professional equipment is usually utilized to perform professional detection on the width, the flow rate and the depth of the river, wherein the river width is usually detected by utilizing a laser range finder.
Laser range finder fixes laser emitter and laser receiver respectively at river both sides, send laser through laser emitter and be received by laser receiver and realize the detection to river width, however the river both sides can't guarantee to level, under the support that does not have auxiliary stay structure, the condition of empting appears easily in the support frame of laser range finder below, and the height in river both places can't keep unanimous, lead to its laser generator and laser receiver can't be in same height, and because the propagation route of laser is a straight line, thereby can appear can't accurately measure the problem of river width.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an observation device for hydrology and water resource engineering.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an observation device for hydrology and water resource engineering, includes laser range finder, the support column of flange fixedly connected with is passed through to laser range finder lower extreme, flexible groove has been seted up in the support column, sliding connection has a flexible post in flexible inslot, flexible post lower extreme passes a bottom plate of flexible groove and fixedly connected with, the bottom plate lower extreme is provided with a stabilizing mean, flexible groove lateral wall is provided with a fixed establishment with flexible column junction.
The support frame, the equal swivelling joint of support frame is peripheral at the bottom plate lower extreme, bottom plate lower extreme intermediate position swivelling joint has a threaded rod, threaded connection has a thread bush on the threaded rod, a roof of the peripheral fixedly connected with of thread bush, on the roof and all seted up a perforation with the corresponding position of support frame, the support frame all passes the perforation, a base of the equal fixedly connected with in support frame bottom.
Specifically, the equal fixedly connected with of threaded rod lower extreme changes the board, just be located a limiting plate of threaded bush upper side fixedly connected with on the threaded rod, the limiting plate below all contacts with the threaded bush upper side.
Specifically, a fixed bearing is fixedly connected with the joint of the upper end of the threaded rod and the bottom plate, the outer side of the outer ring of the fixed bearing is fixedly connected in the bottom plate, and the inner side of the inner ring of the fixed bearing is fixedly connected on the threaded rod.
Specifically, fixed establishment includes the gear plate, the equal fixed connection of gear plate is in flexible post both sides intermediate position, a through-hole has all been seted up with the corresponding position of gear to flexible groove below, equal swivelling joint has a fixed rotating shaft in the through-hole, link gear of equal fixedly connected with in the fixed rotating shaft, link gear is close to one side mutually and all is connected with the gear plate meshing, link gear keeps away from one end mutually and all passes the through-hole.
Specifically, a fixed plate is fixedly connected to the upper portion of the outer side of the support column, a sliding plate is slidably connected to the outer side of the support column and located below the fixed plate, a connecting spring is fixedly connected between the fixed plate and the sliding plate, a connecting rod is fixedly connected to the lower portion of the sliding plate and corresponds to the linkage gear in position, a gear sleeve is fixedly connected to the lower end of the connecting rod, and the gear sleeve and the linkage gear are meshed and connected to one end of the linkage gear located outside the through hole.
Specifically, a stopper is fixedly connected to the front side and the rear side of the telescopic column, a limiting groove is formed in the side wall of the telescopic groove and corresponds to the stopper, and the stopper is connected to the corresponding limiting groove in a sliding mode.
A using method of an observation device for hydrology and water resource engineering comprises the following steps: the first step is as follows: firstly, the rotating plate is rotated to enable the rotating plate to drive the threaded rod to rotate, so that the threaded sleeve is positioned on the threaded rod to slide upwards, finally, the upper end of the threaded sleeve is contacted with the lower end of the limiting plate, and the top plate is driven to slide upwards, so that the side wall of the through hole pushes the support frame to rotate outwards, and the support frame is unfolded, so that the grounding area of the bottom of the laser range finder can be increased when the laser range finder is placed, and the stability of the laser range finder is improved; the second step is that: pulling the sliding plate to enable the sliding plate to compress the connecting spring and enable the sliding plate to slide upwards, so that the connecting rod and the gear sleeve are driven to slide upwards, the gear sleeve and the linkage gear are disconnected, and the linkage gear can rotate freely; the third step: the linkage gear is rotated, and the telescopic column can be positioned in the telescopic groove to slide through the meshing of the linkage gear and the gear plate, so that the support column slides up and down, and the laser range finders are driven to slide up and down, and the laser range finders on two banks are positioned on the same horizontal straight line; the fourth step: and finally, loosening the sliding plate, and restoring through the connecting spring to drive the sliding plate to slide downwards so as to drive the connecting rod and the gear sleeve to slide downwards, finally re-engaging the gear sleeve with the linkage gear, and fixing the linkage gear, so that the telescopic column is fixed in the telescopic groove, the laser range finder is positioned at a specified height and fixed, the calibration before the work of the laser range finder is completed, and the data for measuring the width of the river is more accurate.
The invention has the beneficial effects that:
(1) according to the observation device for the hydrology and water resource engineering, the top plate can slide upwards by rotating the threaded rod of the stabilizing mechanism, so that the support frame at the lower end of the bottom plate is driven to rotate and expand, the bottom support area of the laser range finder is increased, the installation stability of the laser range finder is improved, meanwhile, the support frame can be easily stored by rotating reversely, and the observation device is convenient to carry and transport;
(2) according to the observation device for the hydrology and water resource engineering, the connecting rod and the gear sleeve are pushed to slide downwards through the connecting spring of the fixing mechanism and are meshed with the linkage gear, the linkage gear can be fixed, and the supporting column and the telescopic column are fixed at the specified positions, so that the height of the laser range finder is adjusted, the situation that the height of laser emitted by the laser range finder is not consistent with the height of a laser receiver on the opposite bank due to the fact that the heights of the two banks of a river are different, and accurate ranging cannot be achieved is avoided.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a front sectional structure diagram of an observation device for hydrology and water resource engineering provided by the invention;
FIG. 2 is an enlarged schematic structural view of the observation device for hydrology and water resource engineering shown in FIG. 1 at the position A;
FIG. 3 is a schematic view of the bottom-up appearance structure of the observation device for hydrology and water resource engineering provided by the present invention;
FIG. 4 is a schematic view of a top-down cutting structure of a supporting column of the observation device for hydrology and water resource engineering provided by the invention;
FIG. 5 is a schematic view of an appearance structure of a top plate of the observation device for hydrology and water resource engineering provided by the present invention;
fig. 6 is a schematic front view of an observation device for hydrology and water resource engineering according to the present invention.
In the figure: 1. a laser range finder; 2. a support pillar; 3. a telescopic groove; 4. a telescopic column; 5. a base plate; 6. a stabilizing mechanism; 61. a support frame; 62. a base; 63. a threaded rod; 64. rotating the plate; 65. a threaded sleeve; 66. a top plate; 67. perforating; 68. a limiting plate; 69. fixing the bearing; 7. a fixing mechanism; 71. a gear plate; 72. a through hole; 73. fixing the rotating shaft; 74. a linkage gear; 75. a limiting block; 76. a limiting groove; 77. a fixing plate; 78. a sliding plate; 79. a connecting spring; 710. a connecting rod; 711. a gear sleeve; 8. and connecting the flanges.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the observation device for hydrology and water resource engineering comprises a laser range finder 1, wherein a support column 2 is fixedly connected to the lower end of the laser range finder 1 through a connecting flange 8, a telescopic groove 3 is formed in the support column 2, a telescopic column 4 is slidably connected in the telescopic groove 3, the lower end of the telescopic column 4 penetrates through the telescopic groove 3 and is fixedly connected with a bottom plate 5, a stabilizing mechanism 6 is arranged at the lower end of the bottom plate 5, and a fixing mechanism 7 is arranged at the joint of the side wall of the telescopic groove 3 and the telescopic column 4.
The supporting frame 61 is rotationally connected to the periphery of the lower end of the bottom plate 5, the middle position of the lower end of the bottom plate 5 is rotationally connected with a threaded rod 63, a thread sleeve 65 is connected to the threaded rod 63 in a threaded manner, a top plate 66 is fixedly connected to the periphery of the thread sleeve 65, a through hole 67 is formed in the position, corresponding to the supporting frame 61, of the top plate 66, the supporting frame 61 penetrates through the through hole 67, a base 62 is fixedly connected to the bottom of the supporting frame 61, a rotating plate 64 is fixedly connected to the lower end of the threaded rod 63, a limiting plate 68 is fixedly connected to the threaded rod 63 and positioned above the thread sleeve 65, the lower side of the limiting plate 68 is contacted with the upper side of the thread sleeve 65, a fixed bearing 69 is fixedly connected to the joint of the upper end of the threaded rod 63 and the bottom plate 5, and the outer side of the outer ring of the fixed bearing 69 is fixedly connected to the bottom plate 5, the inboard fixed connection of fixed bearing 69 inner circle is on threaded rod 63, rotates commentaries on classics board 64, makes commentaries on classics board 64 drive threaded rod 63 rotate to make thread bush 65 be located threaded rod 63 and upwards slide, finally make thread bush 65 upper end and limiting plate 68 lower extreme contact, and drive roof 66 upwards slide, thereby make perforation 67 lateral wall promote support frame 61 outwards to rotate, make support frame 61 expand fixed establishment 7 includes gear plate 71, gear plate 71 all fixed connection is in telescopic column 4 both sides intermediate position, telescopic groove 3 below and with the corresponding position of gear all seted up a through-hole 72, all swivelling joint has a fixed rotating shaft 73 in the through-hole 72, all fixedly connected with a linkage gear 74 on the fixed rotating shaft 73, linkage gear 74 is close to one side and all is connected with gear plate 71 meshing mutually, linkage gear 74 keeps away from one end mutually and all passes through-hole 72, a fixed plate 77 is fixedly connected above the outer side of the supporting column 2, a sliding plate 78 is slidably connected with the outer side of the supporting column 2 and below the fixed plate 77, a connecting spring 79 is fixedly connected between the fixed plate 77 and the sliding plate 78, a connecting rod 710 is fixedly connected with the lower part of the sliding plate 78 and corresponding to the linkage gear 74, a gear sleeve 711 is fixedly connected with the lower end of the connecting rod 710, the gear sleeve 711 is engaged with the end of the linkage gear 74 outside the through hole 72, a limiting block 75 is fixedly connected with the front side and the rear side of the telescopic column 4, a limiting groove 76 is formed in the side wall of the telescopic groove 3 and corresponding to the limiting block 75, the limiting block 75 is slidably connected in the corresponding limiting groove 76, the sliding plate 78 is released, and the sliding plate 78 can be driven to slide downwards by the resetting of the connecting spring 79, thereby causing the connecting rod 710 and the gear housing 711 to slide downward, eventually re-engaging the gear housing 711 with the link gear 74 and fixing the link gear 74, thereby fixing the telescopic pole 4 in the telescopic slot 3.
A using method of an observation device for hydrology and water resource engineering comprises the following steps: the first step is as follows: firstly, the rotating plate 64 is rotated, so that the rotating plate 64 drives the threaded rod 63 to rotate, the threaded sleeve 65 is positioned on the threaded rod 63 to slide upwards, finally, the upper end of the threaded sleeve 65 is contacted with the lower end of the limiting plate 68, and the top plate 66 is driven to slide upwards, so that the side wall of the through hole 67 pushes the support frame 61 to rotate outwards, the support frame 61 is unfolded, the grounding area of the bottom of the laser range finder 1 during placement can be increased, and the stability of the laser range finder is improved; the second step is that: pulling sliding plate 78 to make sliding plate 78 compress connecting spring 79 and make sliding plate 78 slide upwards, thereby driving connecting rod 710 and gear sleeve 711 to slide upwards, disconnecting gear sleeve 711 and linkage gear 74, and making linkage gear 74 rotate freely; the third step: the linkage gear 74 is rotated, and the telescopic column 4 can be positioned in the telescopic groove 3 to slide through the meshing of the linkage gear 74 and the gear plate 71, so that the support column 2 slides up and down, and the laser range finders 1 are driven to slide up and down, and the laser range finders 1 on two banks are positioned on the same horizontal straight line; the fourth step: finally, the sliding plate 78 is loosened, the sliding plate 78 can be driven to slide downwards through the reset of the connecting spring 79, so that the connecting rod 710 and the gear sleeve 711 are driven to slide downwards, the gear sleeve 711 and the linkage gear 74 are finally re-meshed, the linkage gear 74 is fixed, the telescopic column 4 is fixed in the telescopic groove 3, the laser range finder 1 is fixed at the designated height, the calibration before the laser range finder 1 works is completed, and the data of measuring the width of the river is more accurate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an observation device for hydrology and water resource engineering, includes laser range finder (1), its characterized in that, support column (2) of flange (8) fixedly connected with are passed through to laser range finder (1) lower extreme, flexible groove (3) have been seted up in support column (2), sliding connection has flexible post (4) in flexible groove (3), flexible post (4) lower extreme passes flexible groove (3) and bottom plate (5) of fixedly connected with, bottom plate (5) lower extreme is provided with a stabilizing mean (6), flexible groove (3) lateral wall is provided with a fixed establishment (7) with flexible post (4) junction.
2. The observation device for hydrology and water resource engineering according to claim 1, characterized in that: the utility model discloses a support frame, support frame (61), the equal swivelling joint of support frame (61) is peripheral at bottom plate (5) lower extreme, bottom plate (5) lower extreme intermediate position swivelling joint has a threaded rod (63), threaded rod (63) are gone up threaded connection has a thread bush (65), roof (66) of thread bush (65) peripheral fixedly connected with, on roof (66) and with support frame (61) corresponding position all seted up one perforation (67), perforation (67) are all passed to support frame (61), base (62) of the equal fixedly connected with in support frame (61) bottom.
3. The observation device for hydrology and water resource engineering according to claim 2, characterized in that: the equal fixedly connected with of threaded rod (63) lower extreme changes board (64), on threaded rod (63) and be located limiting plate (68) of thread bush (65) top fixedly connected with, limiting plate (68) below all contacts with thread bush (65) top.
4. The observation device for hydrology and water resource engineering according to claim 2, characterized in that: threaded rod (63) upper end and bottom plate (5) junction fixedly connected with a fixed bearing (69), fixed bearing (69) outer lane outside fixed connection is in bottom plate (5), inboard fixed connection of fixed bearing (69) inner circle is on threaded rod (63).
5. The observation device for hydrology and water resource engineering according to claim 1, characterized in that: fixed establishment (7) include gear plate (71), the equal fixed connection of gear plate (71) is in flexible post (4) both sides intermediate position, a through-hole (72) have all been seted up with the corresponding position of gear in flexible groove (3) below, equal swivelling joint has a fixed rotating shaft (73) in through-hole (72), linkage gear (74) of equal fixedly connected with on fixed rotating shaft (73), linkage gear (74) are close to one side mutually and all are connected with gear plate (71) meshing, linkage gear (74) keep away from one end mutually and all pass through-hole (72).
6. The observation device for hydrology and water resource engineering according to claim 1, characterized in that: the utility model discloses a support column, including support column (2), fixed plate (77) of support column (2) outside top fixedly connected with, support column (2) outside just is located fixed plate (77) below sliding connection has a sliding plate (78), a coupling spring (79) of fixedly connected with between fixed plate (77) and sliding plate (78), sliding plate (78) below just with linkage gear (74) corresponding position equal fixedly connected with connecting rod (710), the equal fixedly connected with gear cover (711) of connecting rod (710) lower extreme, gear cover (711) are located the outer one end meshing of through-hole (72) with linkage gear (74) and are connected.
7. The observation device for hydrology and water resource engineering according to claim 1, characterized in that: the telescopic column is characterized in that a limiting block (75) is fixedly connected to the front side and the rear side of the telescopic column (4), a limiting groove (76) is formed in the side wall of the telescopic groove (3) and corresponds to the limiting block (75), and the limiting block (75) is connected to the corresponding limiting groove (76) in a sliding mode.
8. The use method of the observation device for the hydrology and water resource engineering according to any one of claims 1-7, wherein: the method comprises the following steps: the first step is as follows: firstly, rotating a rotating plate (64) to enable the rotating plate (64) to drive a threaded rod (63) to rotate, so that a threaded sleeve (65) is located on the threaded rod (63) to slide upwards, finally the upper end of the threaded sleeve (65) is in contact with the lower end of a limiting plate (68), and a top plate (66) is driven to slide upwards, so that the side wall of a through hole (67) pushes a support frame (61) to rotate outwards, the support frame (61) is unfolded, the bottom grounding area of the laser range finder (1) during placement can be increased, and the stability of the laser range finder is improved; the second step is that: pulling the sliding plate (78), enabling the sliding plate (78) to compress the connecting spring (79), enabling the sliding plate (78) to slide upwards, driving the connecting rod (710) and the gear sleeve (711) to slide upwards, enabling the gear sleeve (711) and the linkage gear (74) to be disconnected, and enabling the linkage gear (74) to rotate freely; the third step: the linkage gear (74) is rotated, and the telescopic column (4) can slide in the telescopic groove (3) through the meshing of the linkage gear (74) and the gear plate (71), so that the support column (2) slides up and down, the laser range finders (1) are driven to slide up and down, and the laser range finders (1) on two banks are positioned on the same horizontal straight line; the fourth step: and finally, the sliding plate (78) is loosened, the sliding plate (78) can be driven to slide downwards through the resetting of the connecting spring (79), so that the connecting rod (710) and the gear sleeve (711) are driven to slide downwards, the gear sleeve (711) is finally meshed with the linkage gear (74) again, and the linkage gear (74) is fixed, so that the telescopic column (4) is fixed in the telescopic groove (3), the laser range finder (1) is fixed at the specified height, the calibration before the work of the laser range finder (1) is completed, and the data for measuring the river width is more accurate.
CN202111106764.5A 2021-09-22 2021-09-22 Observation device for hydrological and water resource engineering and use method thereof Withdrawn CN113739754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111106764.5A CN113739754A (en) 2021-09-22 2021-09-22 Observation device for hydrological and water resource engineering and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111106764.5A CN113739754A (en) 2021-09-22 2021-09-22 Observation device for hydrological and water resource engineering and use method thereof

Publications (1)

Publication Number Publication Date
CN113739754A true CN113739754A (en) 2021-12-03

Family

ID=78740174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111106764.5A Withdrawn CN113739754A (en) 2021-09-22 2021-09-22 Observation device for hydrological and water resource engineering and use method thereof

Country Status (1)

Country Link
CN (1) CN113739754A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379955A (en) * 2023-06-06 2023-07-04 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Depth measurement device for mine goaf exploration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379955A (en) * 2023-06-06 2023-07-04 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Depth measurement device for mine goaf exploration
CN116379955B (en) * 2023-06-06 2023-08-15 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Depth measurement device for mine goaf exploration

Similar Documents

Publication Publication Date Title
CN113739754A (en) Observation device for hydrological and water resource engineering and use method thereof
CN205459716U (en) Blind system is led to intelligence based on ultrasonic ranging
CN207622659U (en) Priming concrete pile hole bottom sediment thickness survey tool
CN111120831A (en) Geographic information detecting instrument capable of being fixedly connected with ground in inserting mode
CN213067468U (en) Building foundation depth detection device based on big dipper
CN106595568A (en) Method for detecting vertical degree of upright post
KR100892437B1 (en) Surveying system
CN210728525U (en) Electronic long-jump board
CN211232251U (en) Bridge engineering bridge surveying equipment
CN213712524U (en) Portable geographic information surveying instrument
CN205175535U (en) Boot shape jack -up formula weighing system
RU181775U1 (en) Wireless fish finder
CN215810866U (en) On-spot mapping device of building engineering cost
CN202176334U (en) Model test underground engineering tunneling drive device
CN219391068U (en) Navigation water level detection equipment for channel
CN220398563U (en) Land mapping device for land management
CN215639421U (en) Building deformation combined monitoring device
CN218720284U (en) Ambient air monitoring device
CN215245589U (en) Urban and rural aerial survey information collection device
CN214275094U (en) Auxiliary angle adjusting mechanism for geographic measurement and mapping
CN214019029U (en) Outdoor solar energy intelligence device of sargent jumping
CN105783867B (en) Underwater bed configuration real-time tracking instrument and river-bed morphometry method
CN220166912U (en) Device for detecting construction penetration of prefabricated pipe pile in reconstruction and expansion engineering
CN220153477U (en) Pile foundation hole depth measuring device
CN220647390U (en) Snow depth tester convenient to installation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20211203

WW01 Invention patent application withdrawn after publication