CN211348310U - River surface flow velocity measuring device based on computer vision - Google Patents
River surface flow velocity measuring device based on computer vision Download PDFInfo
- Publication number
- CN211348310U CN211348310U CN202020402457.6U CN202020402457U CN211348310U CN 211348310 U CN211348310 U CN 211348310U CN 202020402457 U CN202020402457 U CN 202020402457U CN 211348310 U CN211348310 U CN 211348310U
- Authority
- CN
- China
- Prior art keywords
- base
- measuring device
- flow velocity
- computer vision
- river surface
- 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.)
- Active
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model provides a river surface velocity of flow measuring device based on computer vision, relate to river surface velocity of flow measuring device, the loach carrying platform comprises a supporting bar, the upper end of bracing piece transversely is fixed with the connecting piece, the lower extreme fixedly connected with base of bracing piece, the base is used for fixing on the river bank, transversely be fixed with the lead screw on the connecting piece, the connecting piece is equipped with through the lead screw thread and follows the slider of lead screw reciprocating sliding, screw connection has driving motor, install the camera on the slider, the base passes through the relative river bank fixed mounting of anchor assembly, anchor assembly is including pre-buried in the hawse of underground, vertically be equipped with the dowel on the hawse, the through-hole has been seted up to corresponding the hawdowel on the base, the hawdowel part stretches out ground and runs through the base and has the nut at base upper surface threaded connection, a measuring width and installation stability for.
Description
Technical Field
The utility model relates to a river surface velocity of flow measuring equipment field especially relates to a river surface velocity of flow measuring device based on computer vision.
Background
River surface flow velocity detection has more important meanings to water resource allocation, sewage treatment monitoring and mountain torrents, and natural disaster protection during typhoon, along with the development and progress of society, the video monitoring technology is more and more extensive in real life application, and begin to be applied to river surface flow velocity measurement work, when using the video monitoring technology to measure river surface flow velocity, throw the buoy to the river surface with the help of unmanned aerial vehicle usually, after the buoy reaches river surface designated position, carry out a series of shootings through camera device to the buoy of surface of water, calculate the flow velocity of river surface through the algorithm that predetermines at last.
The existing camera device of the river surface flow velocity measuring device based on computer vision is fixedly installed relative to a river bank through a tower, the shooting range of the camera device is limited, the measuring position is small, and for a river surface with a large width, the flow measuring result is not representative and the accuracy is low only by measuring a small area of the river surface; meanwhile, the working environment of the existing river surface flow velocity measuring device is more severe, especially the stability of tower installation can be seriously influenced in windy weather, so that the camera device shakes during working, and the accuracy of measured data is influenced.
In combination with the above problems, it is desirable to provide a river surface flow velocity measuring apparatus based on computer vision, which can expand the river surface measurement width and is stably installed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can enlarge river surface and measure width and install stable river surface velocity of flow measuring device based on computer vision.
The technical scheme of the utility model is realized like this: the river surface flow velocity measuring device based on computer vision comprises a supporting rod, wherein a connecting piece is transversely fixed at the upper end of the supporting rod, a base is fixedly connected at the lower end of the supporting rod, the base is used for being fixed on a river bank, a lead screw is transversely fixed on the connecting piece, a sliding block capable of sliding back and forth along the lead screw is assembled on the connecting piece through lead screw threads, the lead screw is connected with a driving motor, and a camera is installed on the sliding block;
the base passes through the relative river bank fixed mounting of anchor assembly, and anchor assembly is including pre-buried in the anchor slab in the underground, vertically is equipped with the anchor bar on the anchor slab, corresponds the anchor bar on the base and has seted up the through-hole, and anchor bar part stretches out ground and runs through the base and has the nut at base upper surface threaded connection.
Compared with the prior art, the scheme has the following beneficial effects:
(1) the measuring range of the river surface flow velocity is expanded, the accuracy of measuring the speed of a wider river surface is improved, the camera can transversely move along the screw rod to measure the flow velocity of a plurality of different positions on the cross section of the river surface, and the obtained measuring data has higher reference.
(2) The stability of the relative bank installation of camera has been promoted, reduces rocking of camera because of the installation unstability produces in bad weather, further guarantees measured data's accuracy, the relative base fixed mounting of bracing piece, and the base passes through anchor assembly and fixes relatively ground, under the comparatively complicated condition of bank environment, has increased the fixed stability of the relative bank of base, and then has increased the fixed stability of bracing piece and the relative bank of camera.
On the basis of the scheme, the connecting piece comprises two panels arranged in parallel, one ends of the two panels are fixedly assembled through the angle steel relative to the supporting rod, the screw rod is arranged between the two panels, and the connecting piece is provided with a guide structure used for guiding the sliding block along the transverse sliding of the screw rod.
On the basis of the scheme, the guide structure is further improved in the following way that a through groove which is formed on any panel of the connecting piece and corresponds to the lead screw in the transverse direction and a through groove which is formed on the sliding block correspond to the lead screw in the transverse direction form a convex block, a threaded hole matched with the lead screw is formed in the convex block, and the sliding block extends into the space between the two panels through the convex block to be assembled with the lead screw in a threaded mode.
On the basis of above-mentioned scheme, further improve as follows, the connecting groove of "C" font is formed to the slider both sides, and the slider passes through the connecting groove joint and sets up on the panel that leads to the groove on the connecting piece and relative panel sliding assembly.
Compare in prior art this scheme's beneficial effect does: the stability of the slider relative to the sliding of the connecting piece is improved, the slider stretches into the connecting piece between two panels through the boss and is connected with the screw thread, and meanwhile, the connecting grooves on two sides are connected with one panel of the connecting piece in a clamped mode, so that the situation that the slider shakes due to the fact that the camera head is unstable in assembly of the connecting piece is prevented in the sliding process, and the accuracy of measured data is improved.
On the basis of the scheme, the camera is further improved in the following way, a steel wire rope is transversely arranged below the connecting piece, a plurality of suspension wire pulleys are assembled on the steel wire rope in a sliding mode, and the conducting wires of the camera are uniformly fixed at the lower ends of the suspension wire pulleys in a segmented mode.
On the basis of the scheme, the steel wire rope connecting device is further improved in the following manner that angle steel is fixed below two sides of the connecting piece, and two ends of the steel wire rope are fixed through the turn buckle relative to the two angle steel.
Compare in prior art this scheme's beneficial effect does: the camera is prevented from being wound relative to the lead screw in the sliding process of the lead screw, and the normal sliding of the camera relative to the lead screw and the normal work of the camera are guaranteed.
On the basis of the scheme, the lower end of the supporting rod is fixed on the upper surface of the base through angle steel.
On the basis of the scheme, the novel support rod is further improved in the following way, the lower end of the support rod is sleeved with two U-shaped hoop parts, the upper surface of the base is anchored with an anchoring ring, and the hoop parts are connected with the anchoring ring through oblique pull steel cables.
On the basis of the scheme, the supporting rod is further improved in that the supporting rod is connected with the connecting piece through an inclined supporting rod which is obliquely arranged.
Compare in prior art this scheme's beneficial effect does: the arrangement of the hoop and the anchoring ring further increases the stability of the supporting rod relative to the base, and meanwhile, the assembly work between the supporting rod and the base is facilitated through the angle steel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a top view of the present invention;
wherein: the device comprises a supporting rod 1, a hoop 11, a diagonal steel cable 12, an inclined supporting rod 13, a connecting piece 2, a screw rod 21, a sliding block 22, a camera 23, a driving motor 24, a steel wire rope 3, a lead wire 31, a wire hanging pulley 32, a base 4, an anchor bar 41, an anchor plate 42, angle steel a and a river bank b.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model discloses a river surface velocity of flow measuring device's based on computer vision concrete embodiment, as shown in fig. 1-3:
a river surface flow velocity measuring device based on computer vision comprises a supporting rod 1 of a longitudinally arranged rectangular rod-shaped structure, a connecting piece 2 is transversely fixed at the upper end of the supporting rod 1, a base 4 is fixedly connected at the lower end of the supporting rod 1, the base 4 is used for being fixed on a river bank b, a lead screw 21 is transversely fixed on the connecting piece 2, the lead screw 21 is parallel to the width direction of a river surface, a sliding block 22 capable of sliding back and forth along the lead screw 21 is assembled on the connecting piece 2 through the lead screw 21 in a threaded manner, the lead screw 21 is connected with a driving motor 24 at the free end of the connecting piece 2 through a connecting shaft, the driving motor 24 is preferably a small servo motor, the driving motor 24 can be connected with the lead screw 21 through a coupler, the working stability of the driving motor 24 is improved, the sliding stability of the sliding block 22 relative to the lead screw 21 is further improved, a camera, base 4 is the rectangle structure at horizontal cross-section, base 4 passes through the relative bank b fixed mounting of anchor assembly, anchor assembly is including pre-buried in underground anchor plate 42, anchor plate 42 includes rectangle or circular shape platelike structure, vertically be equipped with anchor bar 41 on the anchor plate 42, connected mode between anchor bar 41 and the anchor plate 42 includes but not limited to threaded connection and welding, correspond anchor bar 41 on the base 4 and seted up the through-hole, anchor bar 41 part stretches out ground and runs through base 4 and has the nut at base 4 upper surface threaded connection.
Connecting piece 2 includes two horizontal parallel arrangement's panel, lead screw 21 is located between two panels of connecting piece 2, two panels of connecting piece 2 all connect through angle steel a at its both ends, connecting piece 2 assembles through angle steel a with bracing piece 1, driving motor 24 passes through the bolt and installs on the angle steel a of 2 free ends of connecting piece, it transversely has seted up rectangular form logical groove to correspond lead screw 21 on arbitrary panel of connecting piece 2, it forms the lug to correspond logical groove on slider 22, set up the screw hole with lead screw 21 looks adaptation on the lug, the slider stretches into between two panels through the lug and lead screw 21 screw assembly, the connecting groove of slider 22 both sides formation "C" font, slider 22 sets up on the panel that leads to the groove on the connecting piece through the connecting groove joint and opposite panel sliding assembly.
The lower extreme of bracing piece 1 is fixed at the upper surface of base 4 through two at least angle steel a, and two angle steel a are connected with two sides that bracing piece 1 is relative respectively, and the lower extreme of bracing piece 1 has cup jointed staple bolt spare 11 of two "U" shapes, and the inherent anchor ring of upper surface anchor of base 4, staple bolt spare 11 and anchor ring are connected through drawing steel cable 12 to one side, are connected through the diagonal brace 13 that an slope set up between bracing piece 1 and the connecting piece 2.
In a preferred embodiment, the steel wire rope 3 is transversely arranged below the connecting piece 2, the steel wire rope 3 is provided with a plurality of suspension wire pulleys 32 in a sliding mode, the conducting wire 31 of the camera 23 is uniformly fixed at the lower end of the suspension wire pulleys 32 in a segmented mode, the lower portions of two sides of the connecting piece 2 are fixedly provided with angle steel a, two ends of the steel wire rope 3 are fixed to two angle steel a through turn buckle bolts, the arrangement of the steel wire rope 3 and the suspension wire pulleys 32 further prevents the conducting wire 31 from winding when the camera 23 moves relative to the lead screw 21, and the normal work of the camera 23 is effectively guaranteed.
The specific implementation manner of the utility model is as follows:
when the measuring device is installed, firstly, a flat ground for installing the base 4 is arranged on a flat position on the river bank b, the anchoring piece is pre-embedded under the ground, the anchor bar 41 partially extends out of the ground and is assembled with the base 4 through threads, the camera 23 is installed on the connecting piece 2 through the sliding block 22, then the connecting piece 2 is assembled with the supporting rod 1, and further fixes the connecting piece 2 and the supporting rod 1 through the inclined supporting rod 13, and finally fixes the supporting rod 1 on the base 4 by using angle steel a, and further be connected bracing piece 1 and base 4 through embracing hoop spare 11 and drawing steel cable 12 to one side, measuring device assembly stability is high, and it carries out the velocity of flow measurement to a plurality of regions on the same width line of river along lead screw 21 removal to different positions through control driving motor 24 operating condition drive camera in the measurement process, has enlarged the region to river surface velocity of flow measurement, has increased measured data's accuracy nature.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The river surface flow velocity measuring device based on computer vision comprises a supporting rod, wherein a connecting piece is transversely fixed at the upper end of the supporting rod, a base is fixedly connected at the lower end of the supporting rod, and the base is used for being fixed on a river bank;
the base passes through the relative river bank fixed mounting of anchor assembly, and anchor assembly is including pre-buried in the anchor slab in the underground, vertically is equipped with the anchor bar on the anchor slab, corresponds the anchor bar on the base and has seted up the through-hole, and anchor bar part stretches out ground and runs through the base and has the nut at base upper surface threaded connection.
2. The computer vision-based river surface flow velocity measuring device as claimed in claim 1, wherein the connecting member comprises two panels arranged in parallel in the transverse direction, one ends of the two panels are fixedly assembled with respect to the support rod through angle steel, the screw is arranged between the two panels, and a guide structure for guiding the sliding block to slide in the transverse direction along the screw is arranged on the connecting member.
3. The river surface flow velocity measuring device based on computer vision of claim 2, wherein the guiding structure is a protruding block formed by a through groove transversely formed on any panel of the connecting piece corresponding to the screw rod and a corresponding through groove formed on the sliding block, a threaded hole matched with the screw rod is formed in the protruding block, and the sliding block extends into between the two panels through the protruding block to be assembled with the screw rod in a threaded manner.
4. The computer vision-based river surface flow velocity measuring device as claimed in claim 3, wherein the slide block is formed with C-shaped connecting grooves at both sides thereof, and the slide block is engaged with the face plate provided with the through groove of the connecting member through the connecting grooves and slidably assembled with the face plate.
5. The computer vision-based river surface flow velocity measuring device as claimed in any one of claims 1 to 4, wherein a steel wire rope is transversely arranged below the connecting piece, a plurality of suspension wire pulleys are slidably assembled on the steel wire rope, and the conducting wires of the camera are uniformly fixed on the lower ends of the suspension wire pulleys in a segmented manner.
6. The computer vision-based river surface flow velocity measuring device as claimed in claim 5, wherein an angle steel is fixed below two sides of the connecting member, and two ends of the wire rope are fixed relative to the two angle steels through turn-buckle bolts.
7. The computer vision-based river surface flow velocity measuring device according to any one of claims 1 to 4, wherein the lower end of the support rod is fixed to the upper surface of the base by an angle iron.
8. The computer vision-based river surface flow velocity measuring device as claimed in any one of claims 1 to 4, wherein the lower end of the support rod is sleeved with two U-shaped hoop members, the upper surface of the base is anchored with an anchoring ring, and the hoop members and the anchoring ring are connected through a diagonal steel cable.
9. The computer vision-based river surface flow velocity measuring device according to any one of claims 1 to 4, wherein the support rod is connected to the connecting member by an obliquely arranged diagonal support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402457.6U CN211348310U (en) | 2020-03-26 | 2020-03-26 | River surface flow velocity measuring device based on computer vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402457.6U CN211348310U (en) | 2020-03-26 | 2020-03-26 | River surface flow velocity measuring device based on computer vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348310U true CN211348310U (en) | 2020-08-25 |
Family
ID=72102983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020402457.6U Active CN211348310U (en) | 2020-03-26 | 2020-03-26 | River surface flow velocity measuring device based on computer vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308120A (en) * | 2020-04-06 | 2020-06-19 | 黄河勘测规划设计研究院有限公司 | River surface flow velocity measuring device based on computer vision |
| CN112730616A (en) * | 2020-12-24 | 2021-04-30 | 浙江路达机械仪器有限公司 | Inside crack detection device in cement road surface |
-
2020
- 2020-03-26 CN CN202020402457.6U patent/CN211348310U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308120A (en) * | 2020-04-06 | 2020-06-19 | 黄河勘测规划设计研究院有限公司 | River surface flow velocity measuring device based on computer vision |
| CN112730616A (en) * | 2020-12-24 | 2021-04-30 | 浙江路达机械仪器有限公司 | Inside crack detection device in cement road surface |
| CN112730616B (en) * | 2020-12-24 | 2024-01-16 | 浙江路达机械仪器有限公司 | Cement pavement internal crack detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211348310U (en) | River surface flow velocity measuring device based on computer vision | |
| KR20240017173A (en) | Floating Wind Power Platform | |
| CN109577383B (en) | Test device and method for dynamically testing uplift bearing capacity of suction anchor | |
| US9739267B2 (en) | Wind turbine on a floating support stabilized by a raised anchoring system | |
| CN109489882A (en) | Big-size model test is anchored with cable-stayed bridge cable and cable tension test device and method | |
| CN111308120A (en) | River surface flow velocity measuring device based on computer vision | |
| CN109733957A (en) | A kind of workshop cable automatic deploying and retracting line apparatus | |
| CN113848010A (en) | Non-contact high-precision laser steel cable force monitoring system and monitoring method | |
| CN112649352A (en) | Device and method for testing salt spray corrosion resistance of steel wire in bending and stretching state | |
| CN209892387U (en) | Wind power generation anemometer tower capable of accurately correcting verticality | |
| CN113846891B (en) | Power grid power transmission and distribution fabricated structure and construction method | |
| CN213654182U (en) | Pull-up type overhanging outer frame of turn buckle pull rod | |
| CN210912813U (en) | Ship wave resistance performance tester | |
| CN114655872B (en) | Seawater lifting system and lifting speed control method | |
| CN208472750U (en) | Jacket foundation construction device | |
| CN111636292A (en) | Pneumatic control device and method for inhaul cable high-order vortex vibration | |
| CN208309511U (en) | A kind of ocean engineering elevating tank vacation bottom | |
| CN207003295U (en) | A kind of eight rib rod members of large span Four-Lane Road | |
| CN221255221U (en) | Bridge cable with deformation alarm structure | |
| CN206014288U (en) | A kind of extra large work folding-jib crane released rope detecting device | |
| CN221480431U (en) | Walking track for inspection device | |
| CN212294315U (en) | Pneumatic control device for inhaul cable high-order vortex vibration | |
| CN221276595U (en) | Piling equipment | |
| CN218438581U (en) | Anemometer tower | |
| CN212482483U (en) | Prism erecting device suitable for underground conductor measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |