CN108332723A - A kind of reservoir depth of water measuring device - Google Patents
A kind of reservoir depth of water measuring device Download PDFInfo
- Publication number
- CN108332723A CN108332723A CN201810006314.0A CN201810006314A CN108332723A CN 108332723 A CN108332723 A CN 108332723A CN 201810006314 A CN201810006314 A CN 201810006314A CN 108332723 A CN108332723 A CN 108332723A
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- sliding
- montant
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- rope
- column
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to a kind of length-measuring appliances, in particular it is a kind of reservoir depth of water measuring device, including frame body, vertical sliding component, stretch out bar assembly and floating ball, device may be mounted on canoe, and the height of bar assembly is stretched out in device to be adjusted, the side plate of different height on different canoes is adapted to, and extension bar component height is adjusted simply；Floating ball can be clipped on rope, and the depth of water is slightly determined convenient for amount rope.The frame body includes bottom plate, montant I, montant II and triangular prism I, is fixedly connected on the left of the upper end of bottom plate there are two montant I, is fixedly connected on the right side of the upper end of bottom plate there are two montant II, and triangular prism I is evenly equipped on montant I.
Description
Technical field
The present invention relates to a kind of length-measuring appliances, are in particular a kind of reservoir depth of water measuring devices.
Background technology
Application No. is a kind of water depth surveying boats of CN200920064960.9, and the utility model discloses a kind of water-depth measurements
Ship comprising the gas-tight silo by cover plate for sealing is equipped in hull, hull, wherein gas-tight silo includes that instrument installation position is equipped in one
It sets and working bin that battery installation position is set, the hull side is equipped with draw hook, hull bottom is equipped with embedded tester and visits
Head mounting hole, is provided with protective cover on the probe of tester mounting hole, and the middle position of the protective cover is equipped with and tester
The ultrasonic generator circular hole of corresponding size of probe.The water depth surveying boat solves that beach is more, water is anxious, the big section of drop is obstructed
The water-depth measurement problem that air strips are come, and since the water depth surveying boat is manufactured by steel plate, it is small, light-weight, people on the bank can be passed through
Member's traction achievees the purpose that completion water-depth measurement, and device design is simple, easy to operate, and installing component is few, at low cost, technology
Maturation is suitable for complicated section operation at sea.But this water depth surveying boat is not easy enough when sounding the depth of the water.
Invention content
The present invention provides a kind of reservoir depth of water measuring device, and advantage may be mounted at for device on canoe, and
The height of bar assembly is stretched out in device to be adjusted, and adapt to the side plate of different height on different canoes, and stretch out bar assembly height
Degree adjusts simple；Floating ball can be clipped on rope, and the depth of water is determined convenient for amount rope.
The present invention relates to a kind of length-measuring appliances, are in particular a kind of reservoir depth of water measuring devices, including frame body,
Vertical sliding component, stretching bar assembly and floating ball, device may be mounted on canoe, and the height of bar assembly is stretched out in device
It can adjust, adapt to the side plate of different height on different canoes, and extension bar component height is adjusted simply；Floating ball can be clipped in
On rope, the depth of water is determined convenient for amount rope.
The frame body includes bottom plate, montant I, montant II and triangular prism I, and two are fixedly connected on the left of the upper end of bottom plate
A montant I is fixedly connected on the right side of the upper end of bottom plate there are two montant II, and triangular prism I is evenly equipped on montant I；
The vertical sliding component include sliding bar, sliding bar slot, upper fin, T-piece, rotary wheel frame, runner, bracket groove,
Bull stick, connecting rod, fixture block, cylinder, wiring column and triangular prism II are provided with sliding bar slot, the top surface of sliding bar slot on sliding bar
Marginal position is provided with fin, and there are two fixture blocks, and the upper end of fixture block is provided with the groove of corresponding upper fin, and two fixture blocks are sliding
It is dynamic to be connected on sliding bar slot and upper fin, connecting rod is fixedly connected on two fixture blocks, the other end of connecting rod is hinged
There is bull stick, the other end of two bull sticks to be hinged in T-piece, the upper end centre position of sliding bar is provided with bracket groove, bracket groove with
Sliding bar slot is connected, and T-piece is located at the lower section of bracket groove, and the upper end of sliding bar is fixedly connected with rotary wheel frame, is rotated on rotary wheel frame
It is connected with runner, is provided with wiring column on runner, is symmetrical arranged on sliding bar there are two cylinder, multiple triangles are provided on fixture block
Rib II, sliding bar are slidably connected between two montant I and two montant II, and two cylinders are bonded with two montant II respectively,
Two fixture blocks are matched by triangular prism II with the triangular prism I on montant I respectively；
The stretching bar assembly includes winch, extension bar, sliding block, takes rope column, rope, pouring weight and gag lever post, is stretched out
Bar is fixedly connected on the left end of runner, and the right end of extension bar is rotatably connected to winch, and the left end of extension bar is connected with sliding block, sliding
The front end of block, which is fixedly connected with, takes rope column, and rope is entangled in winch, and the left end of rope rides on rope column, and the lower end of rope is tied up
It is connected to pouring weight, the right end lower end of extension bar is fixedly connected with gag lever post, and gag lever post is bonded with the front end of two montant I；
A letter stencil is provided on the floating ball, floating ball is hollow plastic construction, and the left end of floating ball is fixedly connected with a word
Plate, door letter stencil are sleeved on rope.
It is both provided with circular through hole at four angles of the bottom plate.
It is connected with wire between the wiring column and T-piece.
The stretching bar assembly further includes extension bar sliding slot, and the left end of extension bar is provided with extension bar sliding slot, and sliding block is slided
It is dynamic to be connected on extension bar sliding slot, trip bolt is provided on sliding block.
Positioning inserting column, spring sleeve column, outer catch and interior tabletting, the left end sliding of door letter stencil are additionally provided on the floating ball
It is connected with spring sleeve column, the left end of spring sleeve column is fixedly connected with outer catch, and the right end of spring sleeve column is fixedly connected with interior tabletting,
Interior tabletting is located in door letter stencil, and spring is socketed on the spring sleeve column between door letter stencil and outer catch, is provided on spring sleeve column
The jack of corresponding positioning inserting column, positioning inserting column are inserted on a letter stencil and spring sleeve column.
A kind of reservoir depth of water measuring device of the invention has the beneficial effect that：
A kind of reservoir depth of water measuring device of the present invention, device may be mounted on canoe, and bar assembly is stretched out in device
Height can adjust, adapt to the side plate of different height on different canoes, and extension bar component height adjust it is simple；Floating ball can
To be clipped on rope, the depth of water is determined convenient for amount rope.
Description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram of reservoir depth of water measuring device of the present invention；
Fig. 2 is the structural schematic diagram of frame body；
Fig. 3 is the cooperation schematic diagram of triangular prism I and triangular prism II；
Fig. 4 is the structural schematic diagram one of vertical sliding component；
Fig. 5 is the structural schematic diagram two of vertical sliding component；
Fig. 6 is the structural schematic diagram of triangular prism II；
Fig. 7 is the structural schematic diagram for stretching out bar assembly；
Fig. 8 is the structural schematic diagram of floating ball.
In figure：Frame body 1；Bottom plate 1-1；Montant I1-2；Montant II1-3；Triangular prism I1-4；Vertical sliding component 2；Sliding bar
2-1；Sliding bar slot 2-2；Upper fin 2-3；T-piece 2-4；Rotary wheel frame 2-5；Runner 2-6；Bracket groove 2-7；Bull stick 2-8；Connecting rod 2-
9；Fixture block 2-10；Cylinder 2-11；Wiring column 2-12；Triangular prism II2-13；Stretch out bar assembly 3；Winch 3-1；Extension bar 3-2；
Extension bar sliding slot 3-3；Sliding block 3-4；Take rope column 3-5；Rope 3-6；Pouring weight 3-7；Gag lever post 3-8；Floating ball 4；Door letter stencil 4-1；It is fixed
Position inserting column 4-2；Spring sleeve column 4-3；Outer catch 4-4；Interior tabletting 4-5.
Specific implementation mode
Specific implementation mode one：
Illustrate present embodiment with reference to Fig. 1-8, the present invention relates to a kind of length-measuring appliances, are in particular one
Kind reservoir depth of water measuring device, including frame body 1, vertical sliding component 2, stretching bar assembly 3 and floating ball 4, device may be mounted at
The height of bar assembly is stretched out on canoe, and in device to be adjusted, and adapt to the side plate of different height on different canoes, and stretch
Rod component height adjusts simple；Floating ball can be clipped on rope, and the depth of water is determined convenient for amount rope.
The frame body 1 includes bottom plate 1-1, montant I1-2, montant II1-3 and triangular prism I1-4, the upper end of bottom plate 1-1
Left side is fixedly connected there are two montant I1-2, is fixedly connected with that there are two montant II1-3, montant I1- on the right side of the upper end of bottom plate 1-1
Triangular prism I1-4 is evenly equipped on 2；
The vertical sliding component 2 includes sliding bar 2-1, sliding bar slot 2-2, upper fin 2-3, T-piece 2-4, runner
Frame 2-5, runner 2-6, bracket groove 2-7, bull stick 2-8, connecting rod 2-9, fixture block 2-10, cylinder 2-11, wiring column 2-12 and triangular prism
Sliding bar slot 2-2 is provided on II2-13, sliding bar 2-1, the top edge position of sliding bar slot 2-2 is provided with fin 2-3,
There are two fixture block 2-10, and the upper end of fixture block 2-10 is provided with the groove of corresponding upper fin 2-3, and two fixture block 2-10 are slidably connected
On sliding bar slot 2-2 and upper fin 2-3, connecting rod 2-9 is fixedly connected on two fixture block 2-10, connecting rod 2-9's is another
The other end that one end is hinged with bull stick 2-8, two bull stick 2-8 is hinged on T-piece 2-4, among the upper end of sliding bar 2-1
Position is provided with bracket groove 2-7, and bracket groove 2-7 is connected with sliding bar slot 2-2, and T-piece 2-4 is located at the lower section of bracket groove 2-7, sliding bar
The upper end of 2-1 is fixedly connected with rotary wheel frame 2-5, and runner 2-6 is rotatably connected on rotary wheel frame 2-5, wiring is provided on runner 2-6
Multiple triangular prism II2-13 are provided on cylinder 2-11 there are two being symmetrical arranged on column 2-12, sliding bar 2-1, fixture block 2-10, it is sliding
Lever 2-1 is slidably connected between two montant I1-2 and two montant II1-3, two cylinder 2-11 respectively with two montants
II1-3 is bonded, and two fixture block 2-10 are matched by triangular prism II2-13 with the triangular prism I1-4 on montant I1-2 respectively；
The stretching bar assembly 3 includes winch 3-1, extension bar 3-2, sliding block 3-4, takes rope column 3-5, rope 3-6, again
Block 3-7 and gag lever post 3-8, extension bar 3-2 are fixedly connected on the left end of runner 2-6, and the right end of extension bar 3-2, which is rotatably connected to, to be twined
The left end of rope sheave 3-1, extension bar 3-2 are connected with sliding block 3-4, and the front end of sliding block 3-4, which is fixedly connected with, takes rope column 3-5, rope 3-6
It is entangled on winch 3-1, the left end of rope 3-6 rides on rope column 3-5, and the lower end bind of rope 3-6 has pouring weight 3-7, stretches out
The right end lower end of bar 3-2 is fixedly connected with gag lever post 3-8, and gag lever post 3-8 is bonded with the front end of two montant I1-2；
A letter stencil 4-1 is provided on the floating ball 4, floating ball 4 is hollow plastic construction, and the left end of floating ball 4 is fixedly connected
There are a letter stencil 4-1, door letter stencil 4-1 to be sleeved on rope 3-6.
It is both provided with circular through hole at four angles of the bottom plate 1-1.
It is connected with wire between the wiring column 2-12 and T-piece 2-4.
The stretching bar assembly 3 further includes extension bar sliding slot 3-3, and the left end of extension bar 3-2 is provided with extension bar sliding slot
3-3, sliding block 3-4 are slidably connected on extension bar sliding slot 3-3, and trip bolt is provided on sliding block 3-4.
Positioning inserting column 4-2, spring sleeve column 4-3, outer catch 4-4 and interior tabletting 4-5, door are additionally provided on the floating ball 4
The left end of letter stencil 4-1 slidably connects spring sleeve column 4-3, and the left end of spring sleeve column 4-3 is fixedly connected with outer catch 4-4, spring
The right end of sleeve column 4-3 is fixedly connected with interior tabletting 4-5, and interior tabletting 4-5 is located in door letter stencil 4-1, door letter stencil 4-1 and outer catch 4-
It is socketed with spring on spring sleeve column 4-3 between 4, the jack of corresponding positioning inserting column 4-2, positioning are provided on spring sleeve column 4-3
Inserting column 4-2 is inserted on a letter stencil 4-1 and spring sleeve column 4-3.
A kind of operation principle of reservoir depth of water measuring device of the present invention：It is both provided at four angles of bottom plate 1-1 round logical
Screw can be inserted in circular through hole in hole, to which frame body 1 to be fixedly connected on the deck of canoe, due to different small strakes
Height and radian be different from, so in order to stretch out extension bar 3-2 from canoe, need the height for adjusting extension bar 3-2,
When adjusting extension bar 3-2 height, it is rotated up extension bar 3-2 clockwise, extension bar 3-2 drives runner 2-6 to rotate clockwise, ties up
At this moment wire on terminal 2-12 loosens, wire no longer tenses T-piece 2-4, the triangular prism II2-13 on fixture block 2-10
It is no longer clamped on the triangular prism I1-4 on montant I1-2, at this moment can move up and down sliding bar 2-1, adjust sliding bar 2-1's
Height is to adjust the height of extension bar 3-2, after the completion of the height for adjusting extension bar 3-2, extension bar 3-2 is unclamped, due to gravity
Effect, extension bar 3-2 rotates counterclockwise, and gag lever post 3-8 is bonded with the front end of two montant I1-2, at this moment on wiring column 2-12
Wire pull T-piece 2-4 again, the triangular prism II2-13 on fixture block 2-10 is stuck in the triangular prism I1-4 on montant I1-2
On, to fix sliding bar 2-1, adjust simple；Sliding block 3-4 can on extension bar sliding slot 3-3 slidable adjustment position, sliding block
Trip bolt on 3-4 is used for fixing sliding block 3-4；When needing to sound the depth of the water, the rope on winch 3-1 is released, pouring weight 3-7
Submerged, when pouring weight 3-7 sinks under water, rope 3-6 can become slack and undisciplined, at this moment represent pouring weight 3-7 and sink under water, hand-held hook
Son pulls out positioning inserting column 4-2, and since tabletting 4-5 is withstood on rope 3-6 in the effect of spring, at this moment floating ball 4 is fixed on rope
On sub- 3-6, rope 3-6 is taken down from rope column 3-5 is taken, rope 3-6 is retracted, the length for measuring the rope 3-6 of 4 lower end of floating ball is
The depth of water is represented, repeatedly measures and is averaged, measure the reservoir depth of water.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention
Protect range.
Claims (5)
1. a kind of reservoir depth of water measuring device, including frame body (1), vertical sliding component (2), stretching bar assembly (3) and floating ball
(4), it is characterised in that：The frame body (1) includes bottom plate (1-1), montant I (1-2), montant II (1-3) and triangular prism I (1-
4) it, is fixedly connected on the left of the upper end of bottom plate (1-1) there are two montant I (1-2), the right side of the upper end of bottom plate (1-1), which is fixed, to be connected
It is evenly equipped with triangular prism I (1-4) on montant II (1-3) there are two connecing, montant I (1-2)；
The vertical sliding component (2) includes sliding bar (2-1), sliding bar slot (2-2), upper fin (2-3), T-piece (2-
4), rotary wheel frame (2-5), runner (2-6), bracket groove (2-7), bull stick (2-8), connecting rod (2-9), fixture block (2-10), cylinder (2-
11), wiring column (2-12) and triangular prism II (2-13) are provided with sliding bar slot (2-2), sliding bar slot (2- on sliding bar (2-1)
2) top edge position is provided with fin (2-3), and there are two fixture blocks (2-10), and the upper end of fixture block (2-10) is provided with correspondence
The groove of upper fin (2-3), two fixture blocks (2-10) are slidably connected on sliding bar slot (2-2) and upper fin (2-3), two
Connecting rod (2-9) it has been fixedly connected on fixture block (2-10), the other end of connecting rod (2-9) is hinged with bull stick (2-8), two
The other end of bull stick (2-8) is hinged in T-piece (2-4), and the upper end centre position of sliding bar (2-1) is provided with bracket groove (2-
7), bracket groove (2-7) is connected with sliding bar slot (2-2), and T-piece (2-4) is located at the lower section of bracket groove (2-7), sliding bar (2-1)
Upper end is fixedly connected with rotary wheel frame (2-5), and runner (2-6) is rotatably connected on rotary wheel frame (2-5), is provided on runner (2-6)
Wiring column (2-12) is symmetrical arranged on sliding bar (2-1) there are two cylinder (2-11), and multiple triangles are provided on fixture block (2-10)
Rib II (2-13), sliding bar (2-1) are slidably connected between two montant I (1-2) and two montant II (1-3), two cylinders
(2-11) is bonded with two montant II (1-3) respectively, and two fixture blocks (2-10) pass through triangular prism II (2-13) and montant I respectively
Triangular prism I (1-4) on (1-2) is matched；
The stretching bar assembly (3) includes winch (3-1), extension bar (3-2), sliding block (3-4), takes rope column (3-5), rope
(3-6), pouring weight (3-7) and gag lever post (3-8), extension bar (3-2) are fixedly connected on the left end of runner (2-6), extension bar (3-2)
Right end be rotatably connected to winch (3-1), the left end of extension bar (3-2) is connected with sliding block (3-4), the front end of sliding block (3-4)
It is fixedly connected with and takes rope column (3-5), rope (3-6) is entangled in winch (3-1), and the left end of rope (3-6) rides over rope column (3-
5) on, the lower end bind of rope (3-6) has pouring weight (3-7), the right end lower end of extension bar (3-2) to be fixedly connected with gag lever post (3-
8), gag lever post (3-8) is bonded with the front end of two montant I (1-2)；
A letter stencil (4-1) is provided on the floating ball (4), floating ball (4) is hollow plastic construction, and the left end of floating ball (4) is fixed
It is connected with a letter stencil (4-1), door letter stencil (4-1) is sleeved on rope (3-6).
2. a kind of reservoir depth of water measuring device according to claim 1, it is characterised in that：The four of the bottom plate (1-1)
It is both provided with circular through hole at a angle.
3. a kind of reservoir depth of water measuring device according to claim 1, it is characterised in that：The wiring column (2-12) and
It is connected with wire between T-piece (2-4).
4. a kind of reservoir depth of water measuring device according to claim 1, it is characterised in that：The stretching bar assembly (3)
Further include extension bar sliding slot (3-3), the left end of extension bar (3-2) is provided with extension bar sliding slot (3-3), and sliding block (3-4) sliding connects
It is connected on extension bar sliding slot (3-3), trip bolt is provided on sliding block (3-4).
5. a kind of reservoir depth of water measuring device according to claim 1, it is characterised in that：It is also set on the floating ball (4)
It is equipped with positioning inserting column (4-2), spring sleeve column (4-3), outer catch (4-4) and interior tabletting (4-5), the left end of door letter stencil (4-1) is slided
Dynamic to be connected with spring sleeve column (4-3), the left end of spring sleeve column (4-3) is fixedly connected with outer catch (4-4), spring sleeve column (4-3)
Right end be fixedly connected with interior tabletting (4-5), interior tabletting (4-5) is located in door letter stencil (4-1), door letter stencil (4-1) and outer catch
It is socketed with spring on spring sleeve column (4-3) between (4-4), corresponding positioning inserting column (4-2) is provided on spring sleeve column (4-3)
Jack, positioning inserting column (4-2) are inserted on a letter stencil (4-1) and spring sleeve column (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006314.0A CN108332723B (en) | 2018-01-04 | 2018-01-04 | A kind of reservoir depth of water measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006314.0A CN108332723B (en) | 2018-01-04 | 2018-01-04 | A kind of reservoir depth of water measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108332723A true CN108332723A (en) | 2018-07-27 |
| CN108332723B CN108332723B (en) | 2019-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006314.0A Active CN108332723B (en) | 2018-01-04 | 2018-01-04 | A kind of reservoir depth of water measuring device |
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| Country | Link |
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| CN (1) | CN108332723B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595332A (en) * | 2019-10-15 | 2019-12-20 | 金陵科技学院 | Portable depth measuring device for hydraulic engineering |
| CN110645965A (en) * | 2019-10-23 | 2020-01-03 | 中电科信息产业有限公司 | Storm surge tide level identification alarm station and alarm lamp structure thereof |
| CN113865646A (en) * | 2021-09-27 | 2021-12-31 | 中国水利水电科学研究院 | Underground water level measuring instrument capable of simultaneously measuring water level and water depth |
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| CN103512560A (en) * | 2012-06-19 | 2014-01-15 | 廖翊钧 | Multifunctional river hydrology automatic measurement system and riverbed elevation measurement method |
| CN203772274U (en) * | 2014-04-04 | 2014-08-13 | 刘哲昊 | Water depth measuring device |
| CN204269115U (en) * | 2014-12-23 | 2015-04-15 | 谭树海 | Self-action bathymetric survey device |
| CN106767721A (en) * | 2016-11-21 | 2017-05-31 | 长江水利委员会水文局长江三峡水文水资源勘测局 | A kind of valley Xia Shen sections water-depth measurement method and apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512560A (en) * | 2012-06-19 | 2014-01-15 | 廖翊钧 | Multifunctional river hydrology automatic measurement system and riverbed elevation measurement method |
| CN203772274U (en) * | 2014-04-04 | 2014-08-13 | 刘哲昊 | Water depth measuring device |
| CN204269115U (en) * | 2014-12-23 | 2015-04-15 | 谭树海 | Self-action bathymetric survey device |
| CN106767721A (en) * | 2016-11-21 | 2017-05-31 | 长江水利委员会水文局长江三峡水文水资源勘测局 | A kind of valley Xia Shen sections water-depth measurement method and apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595332A (en) * | 2019-10-15 | 2019-12-20 | 金陵科技学院 | Portable depth measuring device for hydraulic engineering |
| CN110645965A (en) * | 2019-10-23 | 2020-01-03 | 中电科信息产业有限公司 | Storm surge tide level identification alarm station and alarm lamp structure thereof |
| CN110645965B (en) * | 2019-10-23 | 2024-03-22 | 河南中原光电测控技术有限公司 | Storm tide level sign alarm station and alarm lamp structure thereof |
| CN113865646A (en) * | 2021-09-27 | 2021-12-31 | 中国水利水电科学研究院 | Underground water level measuring instrument capable of simultaneously measuring water level and water depth |
| CN113865646B (en) * | 2021-09-27 | 2022-09-02 | 中国水利水电科学研究院 | Underground water level measuring instrument capable of simultaneously measuring water level and water depth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108332723B (en) | 2019-11-05 |
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