CN111812352A - Novel flow velocity detection instrument for water conservancy measurement - Google Patents
Novel flow velocity detection instrument for water conservancy measurement Download PDFInfo
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- CN111812352A CN111812352A CN202010650957.6A CN202010650957A CN111812352A CN 111812352 A CN111812352 A CN 111812352A CN 202010650957 A CN202010650957 A CN 202010650957A CN 111812352 A CN111812352 A CN 111812352A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
- G01P5/065—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with mechanical coupling to the indicating device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
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Abstract
The invention relates to the technical field of water conservancy measurement, and provides a novel flow velocity detector for water conservancy measurement, aiming at solving the problems that the existing flow velocity detectors detect the flow velocity of water through a sensor singly, the reaction time is long, and the data is not accurate; the water conservancy construction method comprises the following steps that 1, a horizontally arranged rack is adopted, four electric telescopic legs are fixedly installed on the edge of the lower end of the rack, a fixed nail plate is fixedly installed on the telescopic ends of the electric telescopic legs, and a flow velocity measuring mechanism and a flow velocity correcting mechanism are arranged at the lower end of the rack; the flow velocity measuring mechanism comprises a rotating impeller horizontally arranged in the middle of the lower end of the rack, a driving shaft is mounted in the middle of the rotating impeller, a spline shaft is integrally formed at the upper end of the driving shaft, and the spline shaft is inserted into an inner cavity of the sleeve shaft. The method is particularly suitable for measuring the flow velocity of water conservancy construction, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of water conservancy measurement, in particular to a novel flow velocity detector for water conservancy measurement.
Background
Water conservancy is the earliest term found in Xiaoxing Zhang cautious man in Lu's spring and autumn, which was invented at the end of the war, but the term "water conservation" refers to the benefit of fishing. In the modern times, as social and economic technologies are continuously developed, the connotation of water conservancy is continuously enriched and expanded in 1933, and the solution of the third annual meeting of the Chinese hydraulic engineering society has been clearly pointed out: the water conservancy scope includes eight kinds of projects including flood control, drainage, irrigation, water power, water channel, water supply, sewage channel and harbor engineering.
The term water conservancy can be summarized as follows: in order to meet the needs of survival and development, the human society takes various measures to control and allocate water and water areas in the nature so as to prevent and control flood disasters, develop, utilize and protect water resources.
Because of the uncertainty of water, the engineering environment can not be directly observed, so that the flow velocity detection needs to be carried out on water flow when hydraulic engineering is carried out, the existing flow velocity detectors detect the flow velocity of water through a sensor singly, the reaction requirement time is long, and the data is not accurate; meanwhile, a single sensor is adopted for measurement, data are not compared, results cannot be applied to water conservancy construction, and the increasingly complex requirements of water conservancy projects cannot be met.
The patent of publication No. CN210015119U discloses a novel water conservancy is velocity of flow detection instrument for measurement, and it includes controller main part, display screen, control button, microprocessor, the mouth that charges, connecting wire, handle, connecting rod, velocity of flow test probe, storage battery and presss from both sides tight structure, and it is more convenient when the device carries the detection instrument, but the device has the detection reaction demand time long, and the also inaccurate drawback of data. Therefore, a novel flow velocity detector for water conservancy measurement is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel flow velocity detector for water conservancy measurement, which overcomes the defects of the prior art, has reasonable design and compact structure, and aims to solve the problems that the existing flow velocity detector detects the flow velocity of water through a sensor singly, the reaction time is long, and the data is not accurate; meanwhile, data are not compared, and results cannot be applied to water conservancy construction.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a novel flow velocity detector for water conservancy measurement comprises a horizontally arranged rack, wherein four electric telescopic legs are fixedly arranged at the edge of the lower end of the rack, a fixed nail plate is fixedly arranged on the telescopic ends of the electric telescopic legs, and a flow velocity measuring mechanism and a flow velocity correcting mechanism are arranged at the lower end of the rack;
flow velocity measurement mechanism includes that the level sets up the impeller that rotates at frame lower extreme middle part, and the mid-mounting of impeller that rotates has the drive shaft, and the upper end integrated into one piece of drive shaft has the integral key shaft, the integral key shaft is inserted and is established in the inner chamber of sleeve shaft, the upper end of sleeve shaft runs through lower slide, frame and upper slide in proper order and is connected with the velocity of flow box, lower slide slidable mounting is at the lower extreme of frame, upper slide slidable mounting is in the upper end of frame, the upper end at the protecting crust is installed to the velocity of flow box, and protecting crust fixed mounting is on.
Preferably, the flow velocity correction mechanism comprises a plastic moving block which is rotatably sleeved on the driving shaft, and a plurality of flow blocking pieces are symmetrically arranged on two sides of the plastic moving block through supporting rods; still establish the driving sprocket on sleeve shaft upper portion including fixed cover, driving sprocket rotates and installs on last slide, the last transmission of driving sprocket is connected with the chain, and the one end of chain passes through the locating piece and installs the upper end in the frame, the other end of chain is convoluteed on the capstan winch, the capstan winch passes through torsion spring and rotates the upper end of installing in the frame, the upper end of chain is equipped with the length mark, and the top matching of length mark is equipped with the velocity of flow and rectifies the pointer, the velocity of flow is rectified the pointer and is passed through the upper end.
Preferably, the flow blocking piece is a circular arc-shaped structure with a concave surface facing the water flow.
Preferably, the fixed nail plate comprises a horizontally arranged mounting plate and a plurality of nail feet arranged at the lower end of the mounting plate, and the mounting plate is fixedly mounted on the telescopic end of the electric telescopic leg.
Preferably, a rotation speed sensor and a microprocessor for converting flow speed data into water flow speed according to a preset function are arranged in the flow speed box, and a display screen for displaying the water flow speed is arranged on the outer wall of the flow speed box.
Preferably, the rack is provided with a strip-shaped through hole for the sleeve shaft to be inserted in a sliding manner.
Preferably, the upper end cover of drive shaft is equipped with the lifter plate, and lifter plate upper end edge is connected with the lower slide through a plurality of hydro-cylinders.
Preferably, a plurality of the oil cylinders are distributed in an annular array, and the number of the oil cylinders is more than or equal to three.
(III) advantageous effects
The embodiment of the invention provides a novel flow velocity detector for water conservancy measurement, which has the following beneficial effects:
1. through the integrated configuration of frame, electronic flexible leg and staple board, when effectual assurance was gone into water at the detection instrument, electronic flexible leg extended downwards, was fixed a position the staple board at the bottom, realized the location of velocity of flow detection instrument to realize accurate velocity of flow and measure.
2. Through velocity of flow measurement mechanism's setting, the effectual rotational speed that promotes rivers and rotate impeller converts the velocity of water into, rotates the rotation below the impeller gets into liquid level in river course or the ditch, has realized the monitoring of velocity of flow box to drive shaft slew velocity, and then converts the velocity of water into through the function of predetermineeing, has realized the velocity of flow and has surveyed.
3. Through the integrated configuration of velocity of flow measurement mechanism and velocity of flow correction mechanism, the velocity of flow corrects the pointer and indicates the length mark of chain upper end, corrects the mark digit that the pointer instructed according to the velocity of flow, and the cooperation shows second velocity of flow data, combines the analysis with the velocity of flow data that demonstrate among the velocity of flow measurement mechanism to obtain accurate velocity of flow detection data, guarantee the accurate demand of water conservancy measurement.
4. Through the integrated configuration of lifter plate, hydro-cylinder and lower slide, the synchronous of a plurality of hydro-cylinders opens and stops, can realize guaranteeing the demand of water conservancy measurement to the detection of the velocity of water flow of different liquid levels under the liquid level, and the annular of hydro-cylinder sets up simultaneously, can effectually guarantee the location of drive shaft and sleeve shaft, and protection device can not take place to warp.
Drawings
The above features, technical features, advantages and modes of realisation of a new flow rate detector for water conservancy measurements will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure A of FIG. 2 according to the present invention;
FIG. 4 is a sectional view showing the combination structure of the spline shaft and the sleeve shaft in the present invention;
FIG. 5 is a schematic view of a combined structure of a plastic moving block and a spoiler in the present invention;
fig. 6 is a partial structural view of the flow rate measuring mechanism of the present invention.
In the figure: the device comprises a rack 1, electric telescopic legs 2, a fixed nail plate 3, a flow rate measuring mechanism 4, a rotating impeller 41, a driving shaft 42, a spline shaft 421, a lifting plate 43, an oil cylinder 44, a lower sliding plate 45, a sleeve shaft 46, an upper sliding plate 47, a protective shell 48, a flow rate box 49, a strip-shaped through hole 410, a flow rate correcting mechanism 5, a plastic moving block 51, a flow resisting piece 52, a transmission chain wheel 53, a chain 54, a length mark 541, a positioning block 55, a winch 56, a torsion spring 57 and a flow rate correcting pointer 58.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
example 1
A novel flow velocity detector for water conservancy measurement comprises a horizontally arranged frame 1, wherein four electric telescopic legs 2 are fixedly arranged at the edge of the lower end of the frame 1, and fixing nail plates 3 are fixedly arranged on telescopic ends of the electric telescopic legs 2 and used for extending the electric telescopic legs 2 downwards when the detector enters water, so that the fixing nail plates 3 are positioned at the bottom of the water, and accurate measurement is realized;
in this embodiment, as shown in fig. 1-4, the flow velocity measuring mechanism 4 includes a rotating impeller 41 horizontally disposed in the middle of the lower end of the frame 1, a driving shaft 42 is installed in the middle of the rotating impeller 41, a spline shaft 421 is integrally formed at the upper end of the driving shaft 42, the spline shaft 421 is inserted into an inner cavity of the sleeve shaft 46, the upper end of the sleeve shaft 46 sequentially penetrates through the lower sliding plate 45, the frame 1 and the upper sliding plate 47 and is connected with a flow velocity box 49, the lower sliding plate 45 is slidably installed at the lower end of the frame 1, the upper sliding plate 47 is slidably installed at the upper end of the frame 1, the flow velocity box 49 is installed at the upper end of the protective casing 48, and the protective casing 48 is fixedly installed on the upper sliding plate 47, by transmission between the spline shaft 421 and the sleeve shaft 46 integrally formed on the driving shaft 42, in combination with the rotation of the rotating impeller 41 under the liquid level, and then the flow velocity is converted into the water flow velocity through a preset function, so that the flow velocity detection is realized.
In this embodiment, as shown in fig. 1 to 3, a rotation speed sensor and a microprocessor for converting flow speed data into a water flow speed according to a preset function are disposed in the flow speed box 49, and a display screen for displaying the water flow speed is disposed on an outer wall of the flow speed box 49, so that the flow speed condition can be observed conveniently.
In this embodiment, as shown in fig. 1 to 6, the flow velocity correction mechanism 5 includes a plastic moving block 51 rotatably sleeved on the driving shaft 42, and a plurality of spoilers 52 are symmetrically installed on two sides of the plastic moving block 51 through struts; the device also comprises a transmission chain wheel 53 fixedly sleeved on the upper part of the sleeve shaft 46, the transmission chain wheel 53 is rotatably arranged on the upper sliding plate 47, a chain 54 is connected on the transmission chain wheel 53 in a transmission manner, one end of the chain 54 is arranged at the upper end of the rack 1 through a positioning block 55, the other end of the chain 54 is wound on a winch 56, the winch 56 is rotatably arranged at the upper end of the rack 1 through a torsion spring 57, a length mark 541 is arranged at the upper end of the chain 54, a flow rate correction pointer 58 is arranged above the length mark 541 in a matching manner, the flow rate correction pointer 58 is arranged at the upper end of the rack 1 through a bracket, the plastic moving block 51 enters the liquid level in a river channel or a water channel and moves along the direction of water flow under the pushing of the water flow, at the moment, the transmission of the lower sliding plate 45, the sleeve shaft 46 and the upper sliding plate 47 drives, combining the reverse pulling force when torsion spring 57 rotates, the impact force of cooperation rivers, velocity of flow correction pointer 58 indicates the length mark 541 of chain 54 upper end, according to the mark digit of velocity of flow correction pointer 58 instruction, the cooperation shows second velocity of flow data, and the velocity of flow data that shows in velocity of flow measurement mechanism 4 combines the analysis to reachd accurate velocity of flow detection data, guarantee the accurate demand of water conservancy measurement.
In this embodiment, as shown in fig. 5, the flow blocking piece 52 is a circular arc structure with a concave surface facing the water flow, so as to effectively block the flow and drive the plastic moving block 51 to move along the direction of the water flow under the pushing of the water flow.
In this embodiment, as shown in fig. 1-2, the fixing nail plate 3 includes a horizontally disposed mounting plate and a plurality of nail feet disposed at the lower end of the mounting plate, the mounting plate is fixedly mounted at the telescopic end of the electric telescopic leg 2, the plurality of nail feet disposed at the lower end of the mounting plate extend downwards from the electric telescopic leg 2, and the fixing nail plate 3 is positioned at the bottom of the water, so as to achieve accurate measurement.
In this embodiment, as shown in fig. 6, the frame 1 is provided with a strip-shaped through hole 410 for the sleeve shaft 46 to be slidably inserted, and the displacement data detection of the flow rate correction mechanism 5 is performed.
Example 2
The difference between this embodiment and embodiment 1 lies in, as shown in fig. 3, the pot head of drive shaft 42 is equipped with lifter plate 43, and lifter plate 43 upper end edge is connected with lower slide 45 through a plurality of hydro-cylinders 44, opens through the synchronization of a plurality of hydro-cylinders 44 and stops, can realize the detection to the water velocity of the different liquid levels under the liquid level, guarantees water conservancy measuring's demand.
In this embodiment, as shown in fig. 3, the plurality of oil cylinders 44 are distributed in an annular array, and the number of the oil cylinders 44 is more than or equal to three, so as to effectively ensure the movement of the rotating impeller 41 and the plastic moving block 51, and meanwhile, the annular arrangement of the oil cylinders 44 can effectively ensure the positioning of the driving shaft 42 and the sleeve shaft 46, so that the protection device does not deform.
Other undescribed structures refer to example 1.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. A novel flow velocity detector for water conservancy measurement comprises a horizontally arranged rack and is characterized in that four electric telescopic legs are fixedly arranged at the edge of the lower end of the rack, a fixed nail plate is fixedly arranged on the telescopic ends of the electric telescopic legs, and a flow velocity measuring mechanism and a flow velocity correcting mechanism are arranged at the lower end of the rack;
flow velocity measurement mechanism includes that the level sets up the impeller that rotates at frame lower extreme middle part, and the mid-mounting of impeller that rotates has the drive shaft, and the upper end integrated into one piece of drive shaft has the integral key shaft, the integral key shaft is inserted and is established in the inner chamber of sleeve shaft, the upper end of sleeve shaft runs through lower slide, frame and upper slide in proper order and is connected with the velocity of flow box, lower slide slidable mounting is at the lower extreme of frame, upper slide slidable mounting is in the upper end of frame, the upper end at the protecting crust is installed to the velocity of flow box, and protecting crust fixed mounting is on.
2. A novel flow rate detector for water conservancy measurement according to claim 1, wherein: the flow velocity correction mechanism comprises a plastic moving block which is rotatably sleeved on the driving shaft, and a plurality of flow blocking pieces are symmetrically arranged on two sides of the plastic moving block through supporting rods; still establish the driving sprocket on sleeve shaft upper portion including fixed cover, driving sprocket rotates and installs on last slide, the last transmission of driving sprocket is connected with the chain, and the one end of chain passes through the locating piece and installs the upper end in the frame, the other end of chain is convoluteed on the capstan winch, the capstan winch passes through torsion spring and rotates the upper end of installing in the frame, the upper end of chain is equipped with the length mark, and the top matching of length mark is equipped with the velocity of flow and rectifies the pointer, the velocity of flow is rectified the pointer and is passed through the upper end.
3. A novel flow rate detector for water conservancy measurement according to claim 2, wherein: the flow resisting piece is of a circular arc-surface structure with a concave surface facing water flow.
4. A novel flow rate detector for water conservancy measurement according to claim 1, wherein: the fixed nail plate comprises a horizontally arranged mounting plate and a plurality of nail feet arranged at the lower end of the mounting plate, and the mounting plate is fixedly mounted on the telescopic end of the electric telescopic leg.
5. A novel flow rate detector for water conservancy measurement according to claim 1, wherein: the flow velocity box is internally provided with a rotation speed sensor and a microprocessor for converting flow velocity data into water velocity according to a preset function, and the outer wall of the flow velocity box is provided with a display screen for displaying the water velocity.
6. A novel flow rate detector for water conservancy measurement according to claim 1, wherein: and the rack is provided with a strip-shaped through hole for the sleeve shaft to be inserted in a sliding manner.
7. A novel flow rate detector for water conservancy measurement according to claim 1, wherein: the upper end cover of drive shaft is equipped with the lifter plate, and lifter plate upper end edge is connected with the lower sliding plate through a plurality of hydro-cylinders.
8. A novel flow rate detector for water conservancy measurement according to claim 7, wherein: the oil cylinders are distributed in an annular array, and the number of the oil cylinders is more than or equal to three.
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| CN202010650957.6A CN111812352B (en) | 2020-07-08 | 2020-07-08 | Flow velocity detector for water conservancy measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116413474A (en) * | 2023-06-12 | 2023-07-11 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Pulling force type flow velocity and flow direction detection device and method |
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