CN106855402A - Pressure-sensitive riverbed sludge thickness measurement equipment - Google Patents
Pressure-sensitive riverbed sludge thickness measurement equipment Download PDFInfo
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- CN106855402A CN106855402A CN201710151539.0A CN201710151539A CN106855402A CN 106855402 A CN106855402 A CN 106855402A CN 201710151539 A CN201710151539 A CN 201710151539A CN 106855402 A CN106855402 A CN 106855402A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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Abstract
The invention belongs to river lake dredging technology field, a kind of pressure-sensitive riverbed sludge thickness measurement equipment is disclosed, including：Pressure sensing structure, pressure rod, displacement measurement structure, driving structure and Mersure Controler；The pressure sensing structure is arranged on described pressure rod one end；The displacement measurement structure is connected with the pressure rod, measures the axial displacement of the pressure rod；The driving structure is connected with the pressure rod, drives the pressure rod axial movement；The Mersure Controler is connected with the pressure sensing structure and the displacement measurement structure respectively, obtains pressure value and axial displacement.The present invention provides a kind of riverbed sludge thickness measurement equipment, improves certainty of measurement and reliability.
Description
Technical field
The present invention relates to river lake desilting field of engineering technology, more particularly to a kind of pressure-sensitive riverbed sludge thickness measurement equipment.
Background technology
To improve the water quality in lake, it is ensured that the normal flood carrying capacity in river course, China all carries out large-scale lake, river every year
Road desilting engineering.Each desilting engineering is required for according to river and lake silt mud and pollution condition before starting, and determines desilting depth, meter
Silt total amount is settled, to be fully apparent from the riverbed sludge of pollution, reasonably to carry out fund input and personnel equipment's arrangement.Cause
This, the thickness to riverbed sludge carries out the key that accurate measurement is desilting.
In the prior art, it is that traditional plug in pole is measured using the method for relatively broad measurement riverbed sludge thickness；Will
Extracted after a piece pole insertion lakebed long, measure the length that bed mud part is speckled with pole, obtain the thickness of measured region bed mud.
This method is used simply, but measurement error is larger；On the one hand because manual operation is difficult to ensure that survey, pole is inserted vertically into lakebed,
It is difficult to ensure that the depth for surveying pole insertion is exactly the actual thickness of bed mud；On the other hand pole rushing due to water during pulling up is surveyed
The effect of washing can make the part bed mud on pole drop, and having a strong impact on the accuracy of measurement, and fully rely on manpower carries out work
Make efficiency slower.Additionally, also occurred the electrical type measuring instrument such as sonic method in some desilting engineerings, but due to water in it is miscellaneous
Matter and turbid media are easily interfered to acoustic signals, cause electronic gauge to be difficult to accurately measure the height of bed mud, from
And be difficult accurately to converse the thickness of bed mud.
The content of the invention
The present invention provides a kind of pressure-sensitive riverbed sludge thickness measurement equipment, solves riverbed sludge thickness measure in the prior art
Precision is low, poor reliability, the technical problem of adaptability difference.
In order to solve the above technical problems, the invention provides a kind of pressure-sensitive riverbed sludge thickness measurement equipment, including：Pressure
Sensing arrangement, pressure rod, displacement measurement structure, driving structure and Mersure Controler；
The pressure sensing structure is arranged on described pressure rod one end；
The displacement measurement structure is connected with the pressure rod, measures the axial displacement of the pressure rod；
The driving structure is connected with the pressure rod, drives the pressure rod axial movement；
The Mersure Controler is connected with the pressure sensing structure and the displacement measurement structure respectively, obtains pressure value
And axial displacement.
Further, the driving structure includes：Pressure rod leading truck, feeding transmission rubber tire and driving element；
The pressure rod is fixed on the pressure rod leading truck, is axially movable；
The feeding transmission rubber tire is resisted against on the pressurization bar side wall, is connected with pressure rod transmission；
The driving element is fixed on the pressure rod leading truck, is connected with the feeding transmission rubber tire transmission.
Further, the displacement measurement structure includes：Rotary encoder；
The rotary encoder is connected with the feeding transmission rubber tire, and is connected with the Mersure Controler.
Further, the feeding transmission rubber tire includes：It is symmetricly set on the first feeding transmission of the pressure rod both sides
Rubber tire and the second feeding transmission rubber tire；
Described first come into dynamic rubber tire and it is described second feeding transmission rubber tire respectively with the driving element transmission be connected.
Further, the pressure sensing structure includes：Pressure sensitivity head, pressure sensor, pressure conduction structure and pressure mud
Head；
The pressure sensitivity head is fixed on the pressure rod bottom；
The pressure sensor is arranged on the pressure sensitivity head, and by the pressure conduction structure and the mud pressing head phase
Even；
The pressure sensor is connected with the Mersure Controler.
Further, the pressure sensitivity head is internal opens up cavity；
The pressure conduction structure includes：The pressure sensitivity piston and pressurizing piston matched with the cavity；
The pressure sensor is arranged on the cavity top, the pressure sensitivity piston be placed in the cavity be resisted against it is described
On pressure sensor；
The pressurizing piston is placed in the cavity, and gap is left with the pressure sensitivity piston space；
The pressurizing piston is connected by piston rod with the mud pressing head.
Further, the pressure sensing structure also includes：Spring；
The spring be arranged on the mud pressing head and the pressure sensitivity head between, the spring top and the pressure sensitivity head phase
Even, the spring bottom end is connected with the mud pressing head；
The piston rod is located in the spring.
Further, the pressure sensing structure also includes：Water proof sealing structure；
The water proof sealing structure is connected with the mud pressing head and pressure sensitivity head lateral wall respectively.
Further, the water proof sealing structure includes：Infantees, the first infantees collar and the second infantees collar；
The infantees top is by the first infantees rand pressing on pressure sensitivity head outer wall；
The infantees bottom is by the second infantees rand pressing on the mud pressing head outer wall.
A kind of riverbed sludge method for measuring thickness based on described pressure-sensitive riverbed sludge thickness measurement equipment, including：
The driving structure drives the pressure rod to be moved to bed mud；
The axial displacement of pressure rod described in the displacement measurement structure real time measure；The pressure sensing structure monitoring pressure
The axial compressive force of bar；The Mersure Controler obtains the axial compressive force and axial displacement in real time；
When the variable quantity of the axial compressive force is more than the first preset value, the Mersure Controler obtains the first axial displacement
Measured value；
When the variable quantity of the axial compressive force is more than the second preset value, the Mersure Controler obtains the second axial displacement
Measured value；
The Mersure Controler calculates the difference of the second axial displacement measured value and the described first axial displacement measurement
Value, i.e. riverbed sludge thickness.
One or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage：
The pressure-sensitive riverbed sludge thickness measurement equipment provided in the embodiment of the present application, pressurization is persistently driven by driving structure
Bar is moved to sediment layer, while the axial compressive force being subject to by pressure sensing structure real-time monitoring pressure rod, by displacement measurement
The axial displacement of pressure rod described in structure real time measure.The Mersure Controler obtains the axial compressive force and the axial position
Move, and calculate the axial compressive force twice significantly be mutated when axial displacement difference, bed mud thickness is obtained, so as to realize simplicity
Efficient measurement operation.Meanwhile, for the water layer in river lake, mud layer distributed architecture sets mutation threshold value, is axially pressed when continuous two
When the difference of power is more than mutation threshold value, that is, when being significantly mutated, it is meant that the front end of measuring instrument enters into mud by water layer
Layer enters into impermeable stratum by mud layer.This distance advanced between being mutated twice is the thickness of required riverbed sludge layer
Degree.The hardness and the difference of density of the ingenious utilization river bed water layer of this programme, mud layer and impermeable stratum, can be to pressure sensing structure
Pressure measuring value produce influence, in pressure rod is persistently advanced positioning can desilting sediment layer beginning and end；And by position
The axial displacement that measurement structure is persistently recorded is moved, the axial displacement difference between beginning and end, as bed mud thickness is obtained, conceived
Ingenious, reliability is high；Also mutation threshold value can flexibly be set according to actual riverbed sludge situation, possess good adaptability.
Further, the cooperation of rubber tire and pressure rod leading truck is driven by feeding, there is provided reliable and stable is axially driving
Power；By rotary encoder, the rotational parameters of metering feeding transmission rubber tire are converted to the axle of pressure rod by Mersure Controler
To displacement, certainty of measurement is fully improved.
Further, by setting pressure sensitivity head, pressure sensor, pressure conduction structure and the axial compressive force sense of mud pressing head
Structure is answered, pressure monitoring is realized, directly efficiently；And further, cavity, pressure sensitivity piston are set and add by pressure sensitivity head is internal
Pressure piston, sets up the axial compressive force conducting structure based on compressed air, and the sensitivity of pressure conduction is substantially improved, so that overall carry
Rise certainty of measurement and reliability.The non axial mobile range of mud pressing head is limited by setting spring, caused by response environment factor
The problems such as mud pressing head swing, deflection；Water proof sealing structure is set by between mud pressing head and pressure sensitivity head, it is to avoid water or bed mud enter
Enter in pressure conduction structure, it is ensured that the stability of its work.
Brief description of the drawings
The pressure-sensitive riverbed sludge thickness measurement equipment structural representation that Fig. 1 is provided for the present invention；
The pressure sensing structure schematic diagram that Fig. 2 is provided for the present invention.
Specific embodiment
The embodiment of the present application solves river lakebed in the prior art by providing a kind of pressure-sensitive riverbed sludge thickness measurement equipment
Mud thickness measure precision is low, poor reliability, the technical problem of adaptability difference, has reached lifting riverbed sludge thickness measure essence
The technique effect of degree, reliability and adaptability.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case where not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1 and Fig. 2, a kind of pressure-sensitive riverbed sludge thickness measurement equipment, including：Pressure sensing structure 2, pressure rod 5,
Do not marked in displacement measurement structure, driving structure 1 and Mersure Controler, wherein displacement measurement structure and Mersure Controler figure.
The pressure sensing structure 2 is arranged on the one end of the pressure rod 5, follows the pressure rod 5 to move axially, in real time prison
Survey axial compressive force.
The displacement measurement structure is connected with the pressure rod 5, measures the axial displacement of the pressure rod 5.
The driving structure 1 is connected with the pressure rod 5, drives the pressure rod 5 to move axially；The specific thickness that performs is surveyed
The driving operation of amount.
The Mersure Controler is connected with the pressure sensing structure 2 and the displacement measurement structure respectively, obtains pressure
Value and axial displacement.The Mersure Controler can be according to actual needs computer or mobile processing terminal etc..
The structure and the course of work of measuring instrument will be specifically introduced below.
The driving structure 1 includes：Pressure rod leading truck 4, feeding transmission rubber tire 3 and driving element；Wherein described drive
Do not marked in dynamic part drawing.
The pressure rod 5 is fixed on the pressure rod leading truck 4, is axially movable.
The feeding transmission rubber tire 3 is resisted against on the side wall of the pressure rod 5, is connected with the transmission of the pressure rod 5；Lead to
The rotation of the feeding transmission rubber tire 3 is crossed, axial driving force is applied to the pressure rod 5.
Preferably, rough contact surface can be set between pressure rod 5 and feeding transmission rubber tire 3, increases non-skid property, carry
The applying efficiency of axial force is risen, the Measurement reliability of axial displacement is lifted.
The driving element is fixed on the pressure rod leading truck 4, is connected with the feeding transmission transmission of rubber tire 3.
Specifically, the displacement measurement structure includes：Rotary encoder；The rotary encoder and the feeding transmission
Rubber tire 3 is connected, and is connected with the Mersure Controler.That is, the rotation circle of feeding transmission rubber tire 3 is recorded by rotary encoder
Number, conversion obtains the axial displacement of pressure rod 5.
Specifically, the feeding transmission rubber tire 3 includes：The first feeding for being symmetricly set on the both sides of the pressure rod 5 is passed
Dynamic rubber tire and the second feeding transmission rubber tire；It is described first feeding transmission rubber tire and it is described second feeding transmission rubber tire respectively with it is described
Driving element transmission is connected.By bidirectional force applying, while lifting drives reliability, pressurization is avoided also by the lifting of symmetrical force
The skew of bar 5.
Specifically, the pressure sensing structure includes：Pressure sensitivity first 9, pressure sensor 7, pressure conduction structure (8,14)
And mud pressing head 13.
The pressure sensitivity first 9 is fixed on the bottom of the pressure rod 5；The pressure sensor 7 is arranged in the pressure sensitivity first 9,
And be connected with the mud pressing head 13 by the pressure conduction structure (8,14)；The pressure sensor 7 passes through holding wire 6 and institute
Mersure Controler is stated to be connected.
Further, cavity is opened up inside the pressure sensitivity first 9；The pressure conduction structure includes：Matched with the cavity
Pressure sensitivity piston 8 and pressurizing piston 14.
The pressure sensor 7 is arranged on the cavity top, and the pressure sensitivity piston 8 is placed in and institute is resisted against in the cavity
State on pressure sensor 7；The pressurizing piston 14 is placed in the cavity, and gap is left with the pressure sensitivity piston space；It is described to add
Pressure piston 14 is connected by piston rod with the mud pressing head 13.That is, the pressure conduction structure based on compressed air, lifting pressure are set up
The sensitivity of power, and then improving measurement accuracy.
Further, the pressure sensing structure 2 also includes：Spring 12；The spring 12 is arranged on the mud pressing head 13
And the pressure sensitivity first 9 between, the top of the spring 12 first with the pressure sensitivity 9 is connected, the bottom of the spring 12 and the mud pressing head
13 are connected；The piston rod is located in the spring 12.Ensure the axial movement of the stabilization of mud pressing head 13 by spring 12, strengthen it
To the resistance of environmental perturbation, it is ensured that axially measured reliability and precision.
Preferably, described spring 12 is small stiffness properties.
Further, the pressure sensing structure 2 also includes：Water proof sealing structure (10,11)；The water proof sealing structure
It is connected with the mud pressing head 13 and first 9 lateral wall of the pressure sensitivity respectively.Confined space is formed, Jiang Shui and mud isolation are in pressure conduction
Outside structure, it is ensured that the reliability of measurement operation.
Specifically, the water proof sealing structure includes：Infantees 11, the first infantees collar 10 and the second infantees collar.
The top of the infantees 11 is pressed on the outer wall of the pressure sensitivity first 9 by the first infantees collar 10；The bag
The bottom of cloth 11 is by the second infantees rand pressing on the outer wall of the mud pressing head 13.Realize water proof dual with connection
Function.
The operation principle and flow of pressure-sensitive riverbed sludge thickness measurement equipment is specifically described below.
Determine riverbed sludge thickness tested point position；
The direction of pressure rod leading truck 4 of riverbed sludge thickness measurement equipment is adjusted to level, keeps the direction of pressure rod 5 vertical；
Start feeding transmission rubber tire 3, rotate its uniform speed slow, drive the uniform speed slow of pressure rod 5 to move straight down, together
When external Mersure Controler monitoring pressure bar 5 axial displacement；
During pressure rod 5 declines, the tip of mud pressing head 13 contacts the surface of riverbed sludge at first, instantaneously by bed mud
Drag effect, mud pressing head 13 also pushes up pressurizing piston 14 therewith, between the immediate compression of pressurizing piston 14 and pressure sensitivity piston 8
Air column, pressure transmission given pressure sensitivity piston 8 above by air column simultaneously during by compression, and pressure sensitivity piston 8 is upward
Act on pressure sensor 7, pressure sensor 7 is produced the pressure signal of mutation, above-mentioned pressure sensing process is all in wink
Between complete；
Pressure rod 5 continues uniform descent, and mud pressing head 13 gos deep into bed mud the inside, produces the pressure signal of stabilization, until pressure mud
First 13 nib contacts are to the bottom of bed mud.Bed mud bottom is usually solid impermeable cement layer, and soil property is harder, and intensity is higher, presses mud
Suffered resistance can instantaneously increase during first 13 contact suddenly, by the pressure sensing process as described in previous step, produce again
The pressure signal of mutation；
External Mersure Controler determines two points that pressure is substantially mutated by two pressure signals of mutation of synchronization process
, then the displacement difference between 2 points of positions is the bed mud thickness in surveyed river lake.
What deserves to be explained is, the judgement of above-mentioned mutation is, based on the difference between two pressure values of continuous measurement, to be more than
Obtained from mutation threshold value set in advance.That is, according to the virtual condition of riverbed sludge to be measured, mutation threshold value is pre-set.
Pressure-sensitive riverbed sludge thickness measurement equipment is in measurement process it is possible that multiple pressure jump point positions, this kind of feelings
Condition is by the bed mud internal solids impurity at surveyed position is more, it is necessary to selected point position remeasures again near measuring point.
Preferably, mutation threshold value can also be arranged to two different values according to actual needs, further reduces erroneous judgement wind
Danger.
The present embodiment provides the measuring method based on above-mentioned measuring instrument.
A kind of riverbed sludge method for measuring thickness based on described pressure-sensitive riverbed sludge thickness measurement equipment, including：
The driving structure drives the pressure rod to be moved to bed mud；
The axial displacement of pressure rod described in the displacement measurement structure real time measure；The pressure sensing structure monitoring pressure
The axial compressive force of bar；The Mersure Controler obtains the axial compressive force and axial displacement in real time；
When the variable quantity of the axial compressive force is more than the first preset value, the Mersure Controler obtains the first axial displacement
Measured value；
When the variable quantity of the axial compressive force is more than the second preset value, the Mersure Controler obtains the second axial displacement
Measured value；
The Mersure Controler calculates the difference of the second axial displacement measured value and the described first axial displacement measurement
Value, i.e. riverbed sludge thickness.
One or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage：
The pressure-sensitive riverbed sludge thickness measurement equipment provided in the embodiment of the present application, pressurization is persistently driven by driving structure
Bar is moved to sediment layer, while the axial compressive force being subject to by pressure sensing structure real-time monitoring pressure rod, by displacement measurement
The axial displacement of pressure rod described in structure real time measure；The Mersure Controler obtains the axial compressive force and the axial position
Move, and calculate the axial compressive force twice significantly be mutated when axial displacement difference, bed mud thickness is obtained, so as to realize simplicity
Efficient measurement operation.Meanwhile, for the water layer at bottom, mud layer distributed architecture sets mutation threshold value；When continuous two axial compressive forces
Difference more than mutation threshold value when, that is, when being significantly mutated, it is meant that the front end of measuring instrument enters into mud layer by water layer
Or impermeable stratum is entered into by mud layer.This distance advanced between being mutated twice is the thickness of required riverbed sludge layer.
The hardness and the difference of density of the ingenious utilization river bed water layer of this programme, mud layer and impermeable stratum, can be to pressure sensing structure
Pressure measuring value produce influence, in pressure rod is persistently advanced positioning can desilting sediment layer beginning and end；And by displacement
The axial displacement that measurement structure is persistently recorded, obtains the axial displacement difference between beginning and end, as bed mud thickness, and design is skilful
Wonderful, reliability is high；Also mutation threshold value can flexibly be set according to actual riverbed sludge situation, possess good adaptability.
Further, the cooperation of rubber tire and pressure rod leading truck is driven by feeding, there is provided reliable and stable is axially driving
Power；By rotary encoder, the rotational parameters of metering feeding transmission rubber tire are converted to the axle of pressure rod by Mersure Controler
To displacement, certainty of measurement is fully improved.
Further, by setting pressure sensitivity head, pressure sensor, pressure conduction structure and the axial compressive force sense of mud pressing head
Structure is answered, pressure monitoring is realized, directly efficiently；And further, cavity, pressure sensitivity piston are set and add by pressure sensitivity head is internal
Pressure piston, sets up the axial compressive force conducting structure based on compressed air, and the sensitivity of pressure conduction is substantially improved, so that overall carry
Rise certainty of measurement and reliability.The non axial mobile range of mud pressing head is limited by setting spring, caused by response environment factor
The problems such as mud pressing head swing, deflection；Water proof sealing structure is set by between mud pressing head and pressure sensitivity head, it is to avoid water or bed mud enter
Enter in pressure conduction structure, it is ensured that the stability of its work.
It should be noted last that, above specific embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described in detail to the present invention with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention, it all should cover
In the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of pressure-sensitive riverbed sludge thickness measurement equipment, it is characterised in that including：Pressure sensing structure, pressure rod, displacement meter
Amount structure, driving structure and Mersure Controler；
The pressure sensing structure is arranged on described pressure rod one end；
The displacement measurement structure is connected with the pressure rod, measures the axial displacement of the pressure rod；
The driving structure is connected with the pressure rod, drives the pressure rod axial movement；
The Mersure Controler is connected with the pressure sensing structure and the displacement measurement structure respectively, obtains pressure value and axle
To displacement.
2. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 1, it is characterised in that the driving structure includes：
Pressure rod leading truck, feeding transmission rubber tire and driving element；
The pressure rod is fixed on the pressure rod leading truck, is axially movable；
The feeding transmission rubber tire is resisted against on the pressurization bar side wall, is connected with pressure rod transmission；
The driving element is fixed on the pressure rod leading truck, is connected with the feeding transmission rubber tire transmission.
3. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 2, it is characterised in that the displacement measurement structure bag
Include：Rotary encoder；
The rotary encoder is connected with the feeding transmission rubber tire, and is connected with the Mersure Controler.
4. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 3, it is characterised in that the feeding is driven rubber tire bag
Include：It is symmetricly set on the first feeding transmission rubber tire and the second feeding transmission rubber tire of the pressure rod both sides；
The first feeding transmission rubber tire and the second feeding transmission rubber tire are connected with driving element transmission respectively.
5. the pressure-sensitive riverbed sludge thickness measurement equipment as described in any one of Claims 1 to 4, it is characterised in that the pressure
Sensing arrangement includes：Pressure sensitivity head, pressure sensor, pressure conduction structure and mud pressing head；
The pressure sensitivity head is fixed on the pressure rod bottom；
The pressure sensor is arranged on the pressure sensitivity head, and is connected with the mud pressing head by the pressure conduction structure；
The pressure sensor is connected with the Mersure Controler.
6. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 5, it is characterised in that the pressure sensitivity head is internal to be opened up
Cavity；
The pressure conduction structure includes：The pressure sensitivity piston and pressurizing piston matched with the cavity；
The pressure sensor is arranged on the cavity top, and the pressure sensitivity piston is placed in and the pressure is resisted against in the cavity
On sensor；
The pressurizing piston is placed in the cavity, and gap is left with the pressure sensitivity piston space；
The pressurizing piston is connected by piston rod with the mud pressing head.
7. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 6, it is characterised in that the pressure sensing structure is also wrapped
Include：Spring；
The spring is arranged between the mud pressing head and pressure sensitivity head, and the spring top is connected with pressure sensitivity head, institute
Spring bottom end is stated to be connected with the mud pressing head；
The piston rod is located in the spring.
8. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 7, it is characterised in that the pressure sensing structure is also wrapped
Include：Water proof sealing structure；
The water proof sealing structure is connected with the mud pressing head and pressure sensitivity head lateral wall respectively.
9. pressure-sensitive riverbed sludge thickness measurement equipment as claimed in claim 8, it is characterised in that the water proof sealing structure bag
Include：Infantees, the first infantees collar and the second infantees collar；
The infantees top is by the first infantees rand pressing on pressure sensitivity head outer wall；
The infantees bottom is by the second infantees rand pressing on the mud pressing head outer wall.
10. a kind of riverbed sludge of pressure-sensitive riverbed sludge thickness measurement equipment based on as described in any one of claim 1~9 is thick
Degree measuring method, including：
The driving structure drives the pressure rod to be moved to bed mud；
The axial displacement of pressure rod described in the displacement measurement structure real time measure；The pressure sensing structure monitoring pressure bar
Axial compressive force；The Mersure Controler obtains the axial compressive force and axial displacement in real time；
When the variable quantity of the axial compressive force is more than the first preset value, the Mersure Controler obtains the first axial displacement measurement
Value；
When the variable quantity of the axial compressive force is more than the second preset value, the Mersure Controler obtains the measurement of the second axial displacement
Value；
The Mersure Controler calculates the difference of the second axial displacement measured value and the described first axial displacement measurement, i.e.,
Riverbed sludge thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710151539.0A CN106855402A (en) | 2017-03-14 | 2017-03-14 | Pressure-sensitive riverbed sludge thickness measurement equipment |
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|---|---|---|---|
| CN201710151539.0A CN106855402A (en) | 2017-03-14 | 2017-03-14 | Pressure-sensitive riverbed sludge thickness measurement equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272149A (en) * | 2020-01-22 | 2020-06-12 | 贵州省广播电视信息网络股份有限公司 | Digital sensor for intelligently measuring depth of bottom mud of river and lake |
| CN111595392A (en) * | 2020-06-23 | 2020-08-28 | 郑州大学 | Novel flow velocity and water level measuring device |
| CN112268496A (en) * | 2020-09-24 | 2021-01-26 | 深圳华力岩土工程有限公司 | Sand cushion layer thickness detection device and detection method |
| CN112461594A (en) * | 2020-11-20 | 2021-03-09 | 贵州民族大学 | Water conservancy environmental protection monitoring sampling equipment |
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Application publication date: 20170616 |