CN209961627U - Measure measuring device in coordination of velocity of flow and scouring depth - Google Patents
Measure measuring device in coordination of velocity of flow and scouring depth Download PDFInfo
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- CN209961627U CN209961627U CN201920063226.4U CN201920063226U CN209961627U CN 209961627 U CN209961627 U CN 209961627U CN 201920063226 U CN201920063226 U CN 201920063226U CN 209961627 U CN209961627 U CN 209961627U
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Abstract
The utility model discloses a cooperative measuring device for measuring flow velocity and scouring depth, which comprises a measuring device, wherein the measuring device comprises a measuring instrument and a monitoring probe, and the cooperative measuring device comprises a switching component for switching between speed measurement and depth measurement; the switching assembly comprises a first mechanical arm, a second mechanical arm, a third mechanical arm and a fourth mechanical arm, wherein an installation rod is arranged at the end part of the fourth mechanical arm along the axial direction of the fourth mechanical arm, and a monitoring probe is arranged on the installation rod; one end of the second mechanical arm is connected with the first mechanical arm and can rotate in a vertical plane; the end part of the third mechanical arm is connected with the other end of the second mechanical arm and can rotate in a first plane; the side wall of the fourth mechanical arm is connected with the side wall of the third mechanical arm and can rotate in a second plane; the first plane and the second plane are not parallel. The utility model discloses simple structure can realize the conversion that the depth sounding measured and measured the speed, realizes depth sounding and speed sensor's integration.
Description
Technical Field
The utility model relates to a scour test technical field particularly, relates to a measure velocity of flow and erode measuring device in coordination of degree of depth.
Background
The Doppler velocity measurement and depth measurement equipment is widely applied to an underwater operation system, the Doppler log is important acoustic equipment for calculating a carrier velocity vector according to a Doppler effect, and the Doppler depth measurement instrument calculates the depth by using echo signal time difference. At present, most of hydrodynamic tests work with depth measuring equipment and speed measuring equipment as two independent systems, so that the depth measuring equipment and the speed measuring equipment are inconvenient to install and occupy large space.
The river-crossing bridge is an important component of modern traffic, has excellent bridge engineering design, and not only has safe, reliable, economic and reasonable structural design, but also needs hydrological and hydraulic design to reach certain standards in order to better prevent bridge water damage. Scouring is an important factor causing bridge water damage. After the bridge pier is built in a natural river channel, peripheral water flow is severely disturbed to form three-dimensional and unstable-state water flow structures such as a down flow structure, a horseshoe vortex structure and the like, the sand-carrying capacity of the water flow is remarkably improved, so that a riverbed around the bridge pier is locally scoured to form a scour pit, the foundation of the bridge pier is exposed, and the safety of the bridge is threatened. In the current scouring research, some problems can be solved by a theoretical analysis or numerical calculation method; some problems are that the physical phenomenon is complex, the basic rule is not clear, and the simulation test is needed to be carried out in a wave-flow water tank.
The local scouring depth and the water flow speed are used as main data of the test, and the selection of the measuring mode is very important. Compared with the actual engineering structure, the simulation test has smaller size and complex scouring characteristic, and the measuring instrument has the characteristics of small occupied space, high measuring precision, convenience in operation and the like. The existing measuring technology has single function, and is mainly based on that an ultrasonic probe utilizes the sound wave reflection principle to measure depth, or a Doppler velocimeter is used to measure flow velocity, and equipment needs to be replaced in the test process; the limited movement of the measurement space of the equipment is not flexible enough, and some special position depth finders cannot be involved in measurement; the velocimeter can only measure the water velocity of a fixed height position in a fixed direction, meets the requirement of data required by establishing a model in a scouring test, needs to perform a plurality of groups of tests, is complex to operate, consumes a long time, and is easy to generate errors.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a measure velocity of flow and erode measuring device in coordination of degree of depth to the technical problem who needs the change equipment among the solution prior art in the test process. A second object of the utility model is to provide a position control device for basin scouring test measuring device to solve among the prior art that the limited removal in equipment measuring space is not nimble enough, there is some special position depth sounders can not relate to and can't carry out the technical problem who measures. A third object of the present invention is to provide an integrated measuring device and method for measuring the flow rate and depth of a water tank test, so as to solve the technical problems of replacing equipment and being unable to move flexibly in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a cooperative measuring device for measuring a flow velocity and a depth of erosion. The cooperative measuring device for measuring the flow rate and the scouring depth comprises a measuring device, the measuring device comprises a measuring instrument and a monitoring probe, and the cooperative measuring device comprises a switching component for switching between speed measurement and depth measurement; the switching assembly comprises a first mechanical arm, a second mechanical arm, a third mechanical arm and a fourth mechanical arm, wherein an installation rod is arranged at the end part of the fourth mechanical arm along the axial direction of the fourth mechanical arm, and a monitoring probe is arranged on the installation rod; one end of the second mechanical arm is connected with the first mechanical arm and can rotate in a vertical plane; the end part of the third mechanical arm is connected with the other end of the second mechanical arm and can rotate in a first plane; the side wall of the fourth mechanical arm is connected with the side wall of the third mechanical arm and can rotate in a second plane; the first plane and the second plane are not parallel.
Compare in traditional basin scouring test, the utility model discloses a measurement velocity of flow and scouring depth's cooperative measurement device is simple structure not only, can realize the conversion that the depth sounding measured and tested the speed moreover, can test the speed after the depth sounding earlier, also can test the speed earlier the back depth sounding, realizes the integration of depth sounding and speed sensor, perfect equipment function for experimental operation is more high-efficient. Secondly, during depth measurement, the controller controls the third mechanical arm to rotate, so that the monitoring probe can rotate in the horizontal plane, the depth of each position in a test area can be measured, more flexible operation is provided for depth measurement, and depth measurement of some terrain complex positions is facilitated. The controller controls the monitoring probe to enter water, so that depth measurement is converted into speed measurement, and then the controller controls the position of the monitoring probe in the water and the rotation of the monitoring probe, so that the water flow speed in the direction of a certain height X, Y, Z is measured, the scouring test data is enriched, and the establishment of a scouring model is facilitated.
Further, the measuring instrument is a doppler measuring instrument. Doppler's measuring apparatu among traditional basin scouring test only can test the velocity of flow, and the utility model discloses a special arm structure for Doppler's measuring apparatu has the depth sounding concurrently and tests the speed the function. During depth measurement, calculating a distance value between the monitoring probe and a measuring point of the erosion pit area according to the time difference between the transmitted wave and the reflected wave; and during speed measurement, measuring Doppler frequency offset carried by an underwater echo signal generated by the wave beam obtained by the Doppler principle and generated by the wave beam in each direction in a horizontal plane with any height in an underwater space.
Further, the measuring device further comprises a controller for controlling the second mechanical arm, the third mechanical arm and the fourth mechanical arm to rotate and controlling the operation of the measuring device. Therefore, the controller controls the measuring device to convert from the depth measuring device to the speed measuring device, the monitoring probe to rotate, and the measuring instrument to start and stop, and is more intelligent.
Further, the controller is connected with the measuring device through a cable; also included is a terminal device in communication with the controller. The terminal equipment can calculate the depth and the flow velocity of the current position of the monitoring probe according to the data collected by the monitoring probe. The cable is preferably a waterproof cable. This makes the system more intelligent.
Further, the first plane and the second plane are perpendicular to each other. Therefore, the adjustment is more convenient.
Further, the first mechanical arm and the second mechanical arm are connected by a first joint; the second mechanical arm and the third mechanical arm are connected by a second joint; and the third mechanical arm and the fourth mechanical arm are connected by a third joint.
Furthermore, first joint, second joint and third joint include the steering wheel, cover the ring flange of establishing in the outside of steering wheel drive shaft and connect the connection piece of ring flange and arm. The flange plate and the steering engine driving shaft synchronously rotate so as to drive the mechanical arm to rotate. The connecting piece is arranged on one side, away from the steering engine driving shaft, of the flange plate and is connected with the corresponding mechanical arm through a fixing bolt. Therefore, the structure is simple and easy to control.
Further, still include the loading the shell of steering wheel, the shell is the PVC shell. In order to ensure the underwater operation capability of the mechanical arm, the waterproof performance of the steering engine needs to be improved, and therefore the steering engine is arranged in a cavity structure of the PVC shell.
Further, the number of the switching components is at least two. Thus, efficiency is improved.
Further, the height adjusting assembly is used for adjusting the height of the monitoring probe. Therefore, the flow velocity in any direction on the horizontal plane can be measured, and the monitoring probe can be controlled to move up and down to measure the flow velocity at different heights.
In order to achieve the above object, according to another aspect of the present invention, there is also provided a position adjustment device for a sink flush test measuring device. The measuring device comprises a measuring instrument and a monitoring probe, and also comprises a left-right position adjusting component, a front-back position adjusting component and a height adjusting component; the left and right position adjusting assembly comprises two fixing rods which are oppositely arranged and two longitudinal sliding blocks which are oppositely arranged and bridged between the two fixing rods, and the longitudinal sliding blocks slide along the fixing rods; the front and rear position adjusting assembly comprises transverse sliding blocks which are oppositely arranged and bridged between the two longitudinal sliding blocks, the height adjusting assembly is arranged on the transverse sliding blocks, and the lower part of the height adjusting assembly is connected with the measuring device.
The left and right position adjusting assembly and the front and rear position adjusting assembly can adjust the horizontal position of the measuring device, so that the depth and the flow velocity of different positions under the same horizontal height can be obtained, and the height of the measuring device can be adjusted by the height adjusting assembly, so that the flow velocities of different heights can be obtained. The left and right position adjusting assembly, the front and rear position adjusting assembly and the height adjusting assembly cooperate with each other, so that the problems that the traditional equipment is limited in measuring space and cannot move flexibly enough, the operation is complex, and the consumed time is long can be effectively solved. It can be seen that, the utility model discloses a shared space is little, convenient operation, efficient for basin washout test measuring device's position control device's simple structure adopts this adjusting device's basin washout test equipment.
Furthermore, the height adjusting assembly comprises a lifter fixed on the transverse sliding block, and a screw rod of the lifter penetrates through a threaded through hole of the transverse sliding block and then is connected with the measuring device. Therefore, the lifting device is simple in structure and stable and easy to control lifting. Preferably, the scales are arranged on the screw rod, so that the initial position and the lifting distance of the monitoring probe can be conveniently recorded.
Further, the transverse sliding block, the height adjusting assembly and the measuring device are at least two groups. Thus, efficiency is improved.
Furthermore, at least two groups of height adjusting assemblies and measuring devices are arranged on the transverse sliding block. Thus, efficiency is improved.
Furthermore, scales are arranged on the fixed rod, so that the initial moving position of the monitoring probe and the moving distance along the water flow direction can be conveniently recorded; scales are arranged on the longitudinal sliding block, so that the initial moving position of the monitoring probe and the moving distance perpendicular to the water flow direction can be conveniently recorded; the horizontal sliding block is provided with scales, so that the moving distance of the monitoring probe along the water flow direction can be conveniently finely adjusted.
The device further comprises a controller for controlling the operation of the measuring device and a terminal device for communicating with the controller. Therefore, the controller controls the measuring instrument to start and stop, and the terminal equipment can calculate the depth and the flow rate of the current position of the monitoring probe according to the data collected by the monitoring probe, so that the intelligent monitoring device is more intelligent. The cable is preferably a waterproof cable.
Further, the fixing rod is connected with the longitudinal sliding block and/or the longitudinal sliding block is connected with the transverse sliding block through mutually matched bulges and grooves. Therefore, the lifting device is simple in structure and stable and easy to control lifting.
Further, the locking device also comprises a first locking component for limiting the sliding of the longitudinal slide block; and the second locking assembly is used for limiting the sliding of the transverse sliding block. Therefore, the position of the probe is stably monitored, and the position is prevented from changing in the testing process.
Furthermore, the first locking assembly is arranged at least one end of at least one longitudinal sliding block, and the second locking assembly is arranged at least one end of the transverse sliding block. Therefore, the locking effect is better.
Further, the first locking assembly and the second locking assembly comprise a baffle and a screw rod which penetrates through the baffle and is in threaded connection with the baffle. Therefore, the structure is simple, and the locking effect is good.
In order to achieve the above object, according to another aspect of the present invention, there is also provided an integrated measuring device for flow rate and depth of a sink test. The integrated measuring device for the flow rate and the depth of the water tank test comprises a measuring device, wherein the measuring device comprises a measuring instrument and a monitoring probe; the switching component is used for switching between speed measurement and depth measurement; the device also comprises an adjusting device for adjusting the position of the measuring device, and the adjusting device comprises a left-right position adjusting component, a front-back position adjusting component and a height adjusting component; the switching assembly is connected with the height adjusting assembly.
The utility model discloses a conversion that the velocity of flow and the degree of depth that is used for basin test can realize sounding and speed measuring first, can test the speed after sounding earlier, also can test the speed earlier and then sounding, realizes the integration of sounding and speed measuring device, perfect equipment function for experimental operation is more high-efficient; and the left and right position adjusting assembly, the front and rear position adjusting assembly and the height adjusting assembly act in a synergistic manner, so that the problems of limited movement of the measurement space, complex operation and long time consumption of the traditional equipment can be effectively solved. Compare in traditional basin scouring test, the utility model discloses an integrated measuring device for basin test's the velocity of flow and the degree of depth is simple structure not only, and the shared space of equipment is little moreover, convenient operation, efficient.
Furthermore, the switching assembly comprises a first mechanical arm, a second mechanical arm, a third mechanical arm and a fourth mechanical arm, an installation rod is arranged at the end part of the fourth mechanical arm along the axial direction of the fourth mechanical arm, and the monitoring probe is arranged on the installation rod; one end of the second mechanical arm is connected with the first mechanical arm and can rotate in a vertical plane; the end part of the third mechanical arm is connected with the other end of the second mechanical arm and can rotate in a first plane; the side wall of the fourth mechanical arm is connected with the side wall of the third mechanical arm and can rotate in a second plane; the first plane and the second plane are not parallel. Therefore, the conversion between depth measurement and speed measurement can be realized through the rotation of the second mechanical arm. And during depth measurement, the controller controls the third mechanical arm to rotate, so that the monitoring probe can rotate in the horizontal plane, different position depths can be measured, more flexible operation is provided for depth measurement, and depth measurement of some terrain complex positions is facilitated. The controller controls the monitoring probe to enter water, so that depth measurement is converted into speed measurement, and then the controller controls the position of the monitoring probe in the water and the rotation of the monitoring probe, so that the water flow speed in the direction of a certain height X, Y, Z is measured, the scouring test data is enriched, and the establishment of a scouring model is facilitated.
Further, the first mechanical arm and the second mechanical arm are connected by a first joint; the second mechanical arm and the third mechanical arm are connected by a second joint; the third mechanical arm and the fourth mechanical arm are connected by a third joint;
furthermore, first joint, second joint and third joint include the steering wheel, cover the ring flange of establishing in the outside of steering wheel drive shaft and connect the connection piece of ring flange and arm.
Further, the left-right position adjusting assembly comprises two fixing rods which are oppositely arranged and two longitudinal sliding blocks which are oppositely arranged and bridged between the two fixing rods, and the longitudinal sliding blocks slide along the fixing rods; the front and rear position adjusting assembly comprises transverse sliding blocks which are oppositely arranged and bridged between the two longitudinal sliding blocks, the height adjusting assembly is arranged on the transverse sliding blocks, and a measuring device is arranged below the height adjusting assembly. The height adjusting assembly comprises a lifter fixed on the transverse sliding block, and a screw rod of the lifter penetrates through a threaded through hole of the transverse sliding block and then is connected with the switching assembly.
Furthermore, a base is arranged between the screw rod and the switching assembly, and the measuring instrument is arranged on the base and is connected with the monitoring probe through a cable; the measuring instrument is connected with the base through a triangular clamp assembly. Therefore, the structure is simple and stable.
Further, the transverse sliding block, the height adjusting assembly and the measuring device are at least two groups; and at least two groups of height adjusting assemblies and measuring devices are arranged on the transverse sliding block.
Further, the fixing rod is connected with the longitudinal sliding block and/or the longitudinal sliding block is connected with the transverse sliding block through mutually matched bulges and grooves.
In order to achieve the above object, according to another aspect of the present invention, there is also provided an integrated measuring method of flow rate and depth for a sink test. The integrated measuring method for the flow rate and the depth of the water tank test comprises the steps of measuring by adopting the integrated measuring device for the flow rate and the depth of the water tank test; wherein the content of the first and second substances,
when the depth measurement test of the flushing pit is carried out, the monitoring probe is positioned above the water surface, and the method comprises the following steps: 1) adjusting the horizontal position and height of the switching assembly; 2) the controller controls the second mechanical arm, the third mechanical arm and the fourth mechanical arm to be arranged along the water flow direction, so that the monitoring probe is parallel to and right faces the horizontal plane, the controller controls the third mechanical arm to rotate in the horizontal plane, and depth data are collected after each rotation; 3) transmitting the collected data to a controller;
when a flow rate measurement test is performed, the monitoring probe is positioned in the water, and the method comprises the following steps: 1) adjusting the horizontal position and height of the switching assembly; 2) the controller controls the position of the monitoring probe in water, each position rotates the monitoring probe, and flow rate data is acquired after each rotation; 3) and transmitting the collected data to the controller.
The utility model discloses an integration measuring method of velocity of flow and degree of depth for basin test can realize the conversion of sounding and speed measuring at first, can test the speed after sounding earlier, also can test the speed earlier and then sounding, realizes the integration of sounding and speed measuring device, perfect equipment function for experimental operation is more high-efficient; secondly, during depth measurement, the controller controls the third mechanical arm to rotate, so that the monitoring probe rotates in the horizontal plane, different position depths are measured, more flexible operation is provided for depth measurement, and depth measurement of some terrain complex positions is facilitated; when the speed is measured, the controller controls the monitoring probe to enter water, so that depth measurement is converted into speed measurement, and then the controller controls the position of the monitoring probe in the water and the rotation of the monitoring probe, so that the water flow speed in the direction of a certain height X, Y, Z is measured, the scouring test data are enriched, and the establishment of a scouring model is facilitated; and the left and right position adjusting assemblies, the front and rear position adjusting assemblies and the height adjusting assemblies are cooperated, so that the problems that the traditional equipment is limited in measuring space and cannot move flexibly enough, the operation is complex and the consumed time is long can be effectively solved. Compare in traditional basin scouring test, the utility model discloses an integration measuring method simple process, it is efficient that the velocity of flow that is used for the basin test and the degree of depth.
Further, the method also comprises the step of transmitting the acquired data to the terminal equipment; and transmitting the moving path of the monitoring probe to the controller. Therefore, the intelligent control system is more intelligent and has higher efficiency.
It can be seen that, the utility model discloses a measurement velocity of flow and scouring out conversion that measuring depth in coordination can realize the depth sounding and test the speed, can test the speed after the depth sounding earlier, also can test the speed earlier the back depth sounding, realizes depth sounding and speed sensor's integration, perfect equipment function for test operation is more high-efficient. The utility model discloses a position control device for basin scouring test measuring device's simple structure can control monitor's position in a flexible way. The utility model discloses an integration measuring device for basin experimental velocity of flow and degree of depth is simple structure not only, and the shared space of equipment is little moreover, convenient operation, efficient. The utility model discloses an integration measuring method simple process, it is efficient that the velocity of flow for basin is experimental with the degree of depth.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.
In the drawings:
fig. 1 is a depth measurement state diagram of a cooperative measurement device for measuring flow velocity and erosion depth according to embodiments 1, 5, and 6 of the present invention.
Fig. 2 is a speed measurement state diagram of the cooperative measurement device for measuring flow velocity and erosion depth according to embodiments 1, 5, and 6 of the present invention.
Fig. 3 is a schematic structural view of an integrated measuring device for flow rate and depth of a sink test of examples 5 and 6.
The relevant references in the above figures are:
11: a measuring instrument;
12: monitoring the probe;
21: a first robot arm;
22: a second mechanical arm;
23: a third mechanical arm;
24: a fourth mechanical arm;
25: a flange plate;
26: connecting sheets;
27: a housing;
31: fixing the rod;
32: a longitudinal slide block;
33: a transverse slide block;
41: an elevator;
42: a screw rod;
43: a worm gear;
44: a base;
45: a triangular clamp assembly;
61: a vertical plate;
62: a base plate;
7: simulating a pier;
82: a cable;
81: and (4) terminal equipment.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
Example 1
The cooperative measurement device for measuring the flow rate and the scouring depth as shown in fig. 1 comprises a measurement device, the measurement device comprises a measurement instrument 11 and a monitoring probe 12, and the cooperative measurement device comprises a switching component for switching between speed measurement and depth measurement;
the switching assembly comprises a first mechanical arm 21, a second mechanical arm 22, a third mechanical arm 23 and a fourth mechanical arm 24, wherein an installation rod arranged along the axial direction of the fourth mechanical arm 24 is arranged at the end part of the fourth mechanical arm, and a monitoring probe 12 is arranged on the installation rod; the first mechanical arm 21 is vertically arranged, and one end of the second mechanical arm 22 is connected with the first mechanical arm 21 and can rotate in a vertical plane; the end part of the third mechanical arm 23 is connected with the other end of the second mechanical arm 22 and can rotate in a first plane; the side wall of the fourth mechanical arm 24 is connected with the side wall of the third mechanical arm 23 and can rotate in a second plane; the first plane and the second plane are perpendicular to each other.
The measuring instrument 11 is a Doppler measuring instrument 11, and the model is a Vectrino + type Doppler current meter.
The first mechanical arm 21 and the second mechanical arm 22 are connected by a first joint; the second mechanical arm 22 and the third mechanical arm 23 are connected by a second joint; the third mechanical arm 23 and the fourth mechanical arm 24 are connected by a third joint. The first joint, the second joint and the third joint comprise a steering engine, a flange plate 25 sleeved on the outer side of a driving shaft of the steering engine and a connecting sheet 26 connected with the flange plate 25 and the mechanical arm. The steering engine also comprises a shell 27 for loading the steering engine; the housing 27 is a PVC housing 27.
Example 2
The position adjusting device for the measuring device for the water tank flushing test shown in fig. 3 comprises a left and right position adjusting assembly, a front and rear position adjusting assembly and a height adjusting assembly; the measuring device comprises a measuring apparatus 11 and a monitoring probe 12,
the left-right position adjusting assembly comprises two fixing rods 31 which are oppositely arranged and two longitudinal sliding blocks 32 which are oppositely arranged and bridged between the two fixing rods 31, and the longitudinal sliding blocks 32 slide along the fixing rods 31; the front and rear position adjusting assembly comprises transverse sliding blocks 33 which are oppositely arranged and bridged between the two longitudinal sliding blocks 32, the height adjusting assembly is arranged on the transverse sliding blocks 33, and the lower part of the height adjusting assembly is connected with the measuring device.
The height adjusting assembly comprises a lifter 41 fixed on the transverse sliding block 33, a screw rod 42 of the lifter 41 passes through the threaded through hole of the transverse sliding block 33 and then is connected with the measuring device, and the upper end of the screw rod 42 is connected with a worm wheel 43 of the lifter 41. The lead screw 42 is provided with scales, the lead screw 42 is controlled to lift by rotating the worm wheel 43 so as to adjust the initial height of the test, and the scales on the lead screw 42 are recorded after the test is fixed so as to determine the initial position.
Scales are arranged on the fixed rod 31, and the length of the scales is greater than that of the test scouring area; scales are arranged on the longitudinal sliding block 32; scales are arranged on the transverse sliding block 33.
The two fixing rods 31 are arranged on two vertical plates 61 which are parallel to the water flow direction and connected through a bottom plate 62, the distance between the two vertical plates 61 is 2m, the length of each vertical plate 61 is 7.5m, and the height of each vertical plate 61 is 1.3 m.
A controller and terminal device 81 connected to the meter 11 and the monitoring probe 12 by a waterproof cable 82 is also included.
The fixing rod 31 and the longitudinal slide block 32 and/or the longitudinal slide block 32 and the transverse slide block 33 are connected through mutually matched bulges and grooves.
A first locking assembly limiting the sliding of the longitudinal slide 32; a second blocking assembly is also included which limits the sliding of the lateral slider 33. The first locking assembly is arranged at two ends of the two longitudinal sliding blocks 32, and the second locking assembly is arranged at two ends of the transverse sliding block 33.
The first locking component and the second locking component comprise a baffle and a screw rod which penetrates through the baffle and is in threaded connection with the baffle.
Example 3
Compared with embodiment 2, the position adjusting device for the measuring device of the water tank flushing test of the embodiment has the following differences: the transverse sliding blocks 33, the height adjusting assemblies and the measuring devices are divided into two groups, and the connection mode of the transverse sliding blocks, the height adjusting assemblies and the measuring devices is the same as that of the embodiment 2; the lateral sliders 33 and the longitudinal sliders 32 of each set are connected in the same manner as in embodiment 2, so that the two lateral sliders 33 are parallel.
Example 4
Compared with embodiment 2, the position adjusting device for the measuring device of the water tank flushing test of the embodiment has the following differences: two groups of height adjusting assemblies and measuring devices are arranged on the transverse sliding block 33, and the connection mode between the height adjusting assemblies and the measuring devices is the same as that of the embodiment 2; the height adjustment assemblies of each set are attached to the lateral slide 33 in the same manner as in example 2, so that the two height adjustment assemblies are parallel.
Example 5
As shown in fig. 3, the flow rate and depth integrated measuring device for the water tank test adopts the cooperative measuring device for measuring the flow rate and the scouring depth of the embodiment 1 and the position adjusting device for the water tank scouring test measuring device of the embodiment 2, a base 44 is arranged between the screw rod 42 and the switching assembly, and the measuring instrument 11 is arranged on the base 44 and connected with the monitoring probe 12 through a cable 82; the measuring instrument 11 is connected with the base 44 by a triangular clamp assembly 45, and the triangular clamp assembly 45 comprises a triangular clamp, a bolt and a nut.
Example 6
The integrated measuring method for the flow rate and the depth of the water tank test adopts the integrated measuring device for the flow rate and the depth of the water tank test in the embodiment 5 to carry out measurement, and comprises the following specific steps:
firstly, when the depth measurement test of the scour pit is carried out, the monitoring probe 12 is positioned above the water surface, and the method comprises the following steps: 1) the horizontal position and the height of the switching component are adjusted by adopting a left-right position adjusting component, a front-back position adjusting component and a height adjusting component; 2) the controller controls the second mechanical arm 22, the third mechanical arm 23 and the fourth mechanical arm 24 to be arranged along the water flow direction, so that the monitoring probe 12 is parallel to and right faces a horizontal plane (as shown in fig. 1), the controller controls the third mechanical arm 23 to rotate in the horizontal plane, and depth data are collected after each rotation; 3) transmitting the collected depth data and the moving path of the monitoring probe 12 to the controller; 4) the controller transmits the collected depth data and the moving path of the monitoring probe 12 to the terminal device 81, and the terminal device 81 outputs the depth value by adopting Vectrino software.
When a flow rate measurement test is being conducted, the monitor probe 12 is located in water, comprising the steps of: 1) the horizontal position and the height of the switching component are adjusted by adopting a left-right position adjusting component, a front-back position adjusting component and a height adjusting component; 2) the controller controls the position of the monitoring probe 12 in the water, each position rotates the monitoring probe 12, and flow rate data is acquired after each rotation; the shape of the switching assembly is shown in fig. 2 when the first robot arm 21, the second robot arm 22, the third robot arm 23 and the fourth robot arm 24 are parallel; 3) transmitting the acquired speed data and the moving path of the monitoring probe 12 to the controller; 4) the controller transmits the acquired speed data and the moving path transmission of the monitoring probe 12 to the terminal device 81, and the terminal device 81 outputs a speed value by adopting Vectrino software.
The depth measurement principle is that the time difference between the transmitted wave and the reflected wave is utilized to calculate the distance value between the monitoring probe 12 and the measurement point of the erosion pit area, the terminal device 81 obtains the current position of the measurement point of the erosion pit area according to the distance value, and the current height value of the measurement point and the height value (before the erosion) of the initial position of the measurement point are subtracted, so that the current erosion depth of the measurement point of the erosion pit area is obtained. The depth data refers to the distance value.
The speed measurement principle is that doppler frequency offset is obtained according to an underwater echo signal generated by a wave beam, the terminal device 81 calculates the flow velocity of the detected direction in the current height horizontal plane of the monitoring probe 12 according to the doppler frequency offset, and then the water flow velocities of different directions at the current height are obtained according to the current height value and direction of the monitoring probe 12. The velocity data refers to the doppler frequency offset.
This embodiment may be used, but is not limited to, the following: the flow rate was first measured when no pier was placed. And then after the flow velocity test of each height in each direction is finished, installing the simulated pier 7, and then testing the flow velocity of each height near the simulated pier 7 in each direction, thereby obtaining the scouring characteristic of water to the simulated pier 7 under the conditions of different water depths and flow velocities.
The steering engine may be, but is not limited to, LD-27MG of LOBOT.
The controller is a single chip microcomputer and can adopt but is not limited to AT Meag328 of Arduino.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (10)
1. A cooperative measuring device for measuring flow rate and depth of scour, comprising a measuring device including a measuring instrument (11) and a monitoring probe (12), characterized in that: the switching component is used for switching between speed measurement and depth measurement;
the switching assembly comprises a first mechanical arm (21), a second mechanical arm (22), a third mechanical arm (23) and a fourth mechanical arm (24), an installation rod is arranged at the end part of the fourth mechanical arm (24) along the axial direction of the fourth mechanical arm, and the monitoring probe (12) is arranged on the installation rod;
one end of the second mechanical arm (22) is connected with the first mechanical arm (21) and can rotate in a vertical plane;
the end part of the third mechanical arm (23) is connected with the other end of the second mechanical arm (22) and can rotate in a first plane;
the side wall of the fourth mechanical arm (24) is connected with the side wall of the third mechanical arm (23) and can rotate in a second plane;
the first plane and the second plane are not parallel.
2. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the measuring instrument (11) is a Doppler measuring instrument (11).
3. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the measuring device also comprises a controller for controlling the second mechanical arm (22), the third mechanical arm (23) and the fourth mechanical arm (24) to rotate and controlling the operation of the measuring device.
4. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 3, wherein: the controller is connected with the measuring device through a cable (82); also included is a terminal device (81) in communication with the controller.
5. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the first plane and the second plane are perpendicular to each other.
6. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the first mechanical arm (21) and the second mechanical arm (22) are connected by adopting a first joint; the second mechanical arm (22) and the third mechanical arm (23) are connected by a second joint; the third mechanical arm (23) and the fourth mechanical arm (24) are connected by a third joint.
7. The cooperative measuring device for measuring flow rate and depth of scour according to claim 6, wherein: the first joint, the second joint and the third joint comprise a steering engine, a flange plate (25) sleeved on the outer side of a driving shaft of the steering engine and a connecting piece (26) connected with the flange plate (25) and the mechanical arm.
8. The cooperative measuring device for measuring flow rate and depth of scour according to claim 7, wherein: the steering engine further comprises a shell (27) for loading the steering engine; the shell (27) is a PVC shell (27).
9. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the number of the switching components is at least two.
10. A cooperative measuring device for measuring flow rate and depth of scour as defined in claim 1, wherein: the height adjusting assembly is used for adjusting the height of the monitoring probe (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920063226.4U CN209961627U (en) | 2019-01-15 | 2019-01-15 | Measure measuring device in coordination of velocity of flow and scouring depth |
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| CN201920063226.4U CN209961627U (en) | 2019-01-15 | 2019-01-15 | Measure measuring device in coordination of velocity of flow and scouring depth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910037A (en) * | 2022-04-18 | 2022-08-16 | 中国电建集团华东勘测设计研究院有限公司 | Device and method for detecting form of pile foundation scour pit |
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2019
- 2019-01-15 CN CN201920063226.4U patent/CN209961627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910037A (en) * | 2022-04-18 | 2022-08-16 | 中国电建集团华东勘测设计研究院有限公司 | Device and method for detecting form of pile foundation scour pit |
| CN114910037B (en) * | 2022-04-18 | 2024-03-12 | 中国电建集团华东勘测设计研究院有限公司 | Device and method for detecting pile foundation flushing pit form |
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