CN105587723B - The flexible measuring staff of the hydrology and hydrographic survey equipment - Google Patents
The flexible measuring staff of the hydrology and hydrographic survey equipment Download PDFInfo
- Publication number
- CN105587723B CN105587723B CN201610165586.6A CN201610165586A CN105587723B CN 105587723 B CN105587723 B CN 105587723B CN 201610165586 A CN201610165586 A CN 201610165586A CN 105587723 B CN105587723 B CN 105587723B
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- Prior art keywords
- outer tube
- inner tube
- tube
- hydrology
- measuring staff
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- 239000012530 fluid Substances 0.000 claims abstract description 17
- 230000001737 promoting effect Effects 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B15/262—Locking mechanisms using friction, e.g. brake pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B2015/267—Manual locking or release
Abstract
The invention discloses a kind of flexible measuring staff of hydrology, it is characterised in that including：Outer tube, including first end and the second end；Inner tube, by the second end inner sleeve in outer tube, inner tube is slidably matched with outer tube, and inner tube, which stretches into, has the elastic fluid for promoting inner tube to be displaced outwardly between one end of outer tube and inner tube；Lockable mechanism, in inner tube or outer tube, for being relatively fixed inner and outer tubes.During lockable mechanism unblock of the present invention, inner tube can be promoted to be displaced outwardly by elastic fluid, or apply pressure to inner tube to make the outside in-pipe of inner tube, after moving into place, control lockable mechanism is locked, and can be relatively fixed inner and outer tubes.This structure type of the flexible measuring staff of the hydrology, in inoperative, by the way that inner tube is pressed into outer tube, space is greatly saved, is convenient for carrying, need to only unlocked with regard to inner tube can be made to stretch out outer tube, can conveniently sounded the depth of the water by lockable mechanism.
Description
Technical field
The present invention relates to measuring apparatus, and in particular to the flexible measuring staff of the hydrology and hydrographic survey equipment.
Background technology
In China's hydrographic survey industry, most widely used river discharge metering system is still traditional Sounding Rod with turning
The combination of minor current meter.Traditional Sounding Rod, for sounding mark circular aluminum pipe (be 1.5 meters to carry general length,
Spreading during use), specific flow measurement mode is divided into three steps：The first step, Sounding Rod is combined, is sounded the depth of the water；Second step, adjusted according to the depth of water
Commutating speed instrument height (underwater penetration of current meter is generally the 60% of the depth of water)；3rd step, start to measure work.
For this measurement bar when in face of there is the hilly country of a large amount of mountain area property river distributions, there have been many drawbacks.Cause
For mountain area property river course narrow width, changes in flow rate is big, and high current bring sandstone often to make bottom of river channel topography variation, so often
Secondary flow measurement should not continue to use before depth data, measurement bar must depth measurement again, rotating element current meter is readjusted after depth measurement again
Position.Cumbersome influence worker's enthusiasm, operation is lack of standardization, directly affects the precision of Measurement results；Fluctuation in stage
Speed is very fast, and measurement must race against time；Rainfall often influences a plurality of river, in order to measure the high peak number in every river
According to, if not having multigroup staff while setting out, just can only to time of measuring propose requirements at the higher level；.
In view of the above-mentioned problems, can quickly be sounded the depth of the water there is an urgent need to research and develop one kind, and can quick regulation measuring apparatus peace
The Sounding Rod of holding position.
The content of the invention
The present invention is in view of the above-mentioned problems, propose a kind of flexible measuring staff of hydrology and hydrographic survey equipment.Solve existing
Measurement bar can not quickly sound the depth of the water, and the problem of be unable to quick regulation measuring apparatus installation site.
The technical scheme that the present invention takes is as follows：
A kind of hydrology stretches measuring staff, including：
Outer tube, including first end and the second end；
Inner tube, by the second end inner sleeve in outer tube, inner tube is slidably matched with outer tube, inner tube stretch into one end of outer tube with it is interior
There is the elastic fluid for promoting inner tube to be displaced outwardly between pipe；
Lockable mechanism, in inner tube or outer tube, for being relatively fixed inner and outer tubes.
When lockable mechanism unlocks, inner tube can be promoted to be displaced outwardly by elastic fluid, or apply pressure to inner tube to make
The outside in-pipe of inner tube, after moving into place, control lockable mechanism is locked, and can be relatively fixed inner and outer tubes.Water
This structure type of the flexible measuring staff of text, in inoperative, by the way that inner tube is pressed into outer tube, space is greatly saved, it is convenient
Carry, need to only be unlocked with regard to inner tube can be made to stretch out outer tube, can conveniently sounded the depth of the water by lockable mechanism.
During practical operation, the flexible measuring staff of the hydrology is used cooperatively with measurement apparatus, directly can be fixed on measurement apparatus outer
The external place at neighbouring second end of pipe, lockable mechanism unblock stretch out inner tube and reach maximum, and after lockable mechanism is locked, the hydrology stretches
Measuring staff can measure flow depth, and lockable mechanism unlocks after determining depth, pushes the length that outer tube makes inner tube be reduced to needs, makes survey
Measure equipment just at the depth of water of 60% effect at, lockable mechanism is locked, and can now start gathered data, and the hydrology stretches measuring staff
This structure type, for the measurement bar of transmission, can significantly simplify flow measurement preparation, improve efficiency, reduce
Working time.
Herein described measurement apparatus can be a variety of conventional hydrographic survey equipment such as rotating element current meter.
Optionally, the elastic fluid is compressed gas；The first end of outer tube is blind end, is provided with outer tube for pushing away
The piston that dynamic inner tube is displaced outwardly, the piston are slidingly sealed cooperation with outer tube madial wall, and the compressed gas is filled in piston
In space between outer tube blind end.
In order to ensure sealing effectiveness, during practical operation, the madial wall of outer tube can do polishing, if piston can be by
Dry seal circle ensures sealing effectiveness with outer tube.As long as ensure that piston (uses rubber seal rings for seal, outside with the sealing on the inside of outer tube
Compressed gas in pipe would not leak.
Optionally, the outer tube madial wall has the first spacing ring, first spacing ring and piston at first end
Coordinate, prevent piston further out pipe blind end movement；Said inner tube lateral wall has adjacent to the opening position of the first spacing ring
There is the second spacing ring, the second end of the outer tube has the 3rd spacing ring, and second spacing ring and the 3rd spacing ring coordinate, and prevent
Only inner tube completely disengages outer tube.
During practical operation, the 3rd spacing ring can be flange or clamping or the screw thread company at the end of outer tube second
It is connected on the stop collar at the end of outer tube second.By setting the first spacing ring to limit the movement of piston, prevent elastic fluid because
Excess compression and go wrong；By setting the second spacing ring and the 3rd spacing ring to prevent inner tube from completely disengaging outer tube.
Optionally, the elastic fluid is spring.
Optionally, lockable mechanism is arranged on outer tube, and the lockable mechanism includes：
Housing, is relatively fixed with outer tube and the second end of neighbouring outer tube, housing have the opening relative with inner tube lateral wall,
Guide pad is further fixed in housing；
Plug, it is arranged in housing, plug and the guide pad are against and plug has leading for mutual cooperation with guide pad
To face；
Elastic component, in housing, one end is with housing against the other end moves for pressing plug relative to guide pad
It is dynamic, until plug pass after opening with the lateral wall of inner tube against；
Control line, one end are connected with plug, and the other end stretches out；
Controller, the one end fits to stretch out with the control line, line traffic control plug retraction housing is controlled for pulling
It is interior.
When the plug of lockable mechanism is close to inner tube, inner tube descending can not extend, as long as by pulling control line or exerting oneself
Outer tube is pushed, inner tube can shrink at any time, be easy to user to adjust；This structure type can solve the problem that plug and inner tube lateral wall are tight
When tight stuck, the problem of controller is difficult to pull.
This fit system for being close to inner tube using plug also solves the problems, such as to drive positioning hole/locating slot in inner tube, because
It is covered with dust for when opening up positioning hole or locating slot in inner tube, the end of outer tube second just is inconvenient to install.Inner tube is close to by plug
This fit system, any position of inner tube is lockable, and the non-porous no rooved face of inner tube outer surface is smooth, is easy in outer tube second
End installation is covered with dust, and completely cuts off all sandstone impurity between inner and outer pipes, influences expanding-contracting action.
During practice, the outside of control line can also be coated with plastic tube, be controlled with being braked similar to standard bicycle
Cable architecture, and this infrastructure cost is relatively low.During practice, elastic component can be spring.
Optionally, the spigot surface is clinoplain or arcwall face.
Optionally, the controller includes：
Seat is controlled, is relatively fixed with outer tube；
Control handle, middle part are rotatably installed on the control seat, and one end of control handle is connected with the control line, the other end
For control terminal.
Optionally, the lateral wall of said inner tube and outer tube is carved with depth sign, and reaches maximum when inner tube passes outer tube
During displacement, the depth sign of inner and outer tubes is mutually continuous.
When inner tube, which passes outer tube, reaches maximum displacement, the depth sign of inner and outer tubes is mutually continuous, is so designed to
Personnel easy to operation calculate underwater penetration.During practice, inner tube elongated portion can be 1 meter with round numbers.
Optionally, the length of the outer tube is more than inner tube length, and the first end of outer tube has threaded joints, the screw thread
Connecting portion is used to connect with extension pipe.
Outer tube is bigger than inner tube length, it is ensured that when inner tube is entirely retracted to, still there is abundant space top, avoids elastic fluid
Excess compression make it that elastic force is excessive, is negatively affected to use.
The invention also discloses a kind of hydrographic survey equipment, including contracting measuring staff and measurement apparatus, the measurement bar is upper
The flexible measuring staff of the hydrology described in face, the measurement apparatus is arranged on outer tube, and the second end of neighbouring outer tube.
The beneficial effects of the invention are as follows：When lockable mechanism unlocks, inner tube can be promoted to be displaced outwardly by elastic fluid, or
Person to inner tube apply pressure make the outside in-pipe of inner tube, after moving into place, control lockable mechanism lock, can make inner tube and
Outer tube is relatively fixed.This structure type of the flexible measuring staff of the hydrology, in inoperative, by the way that inner tube is pressed into outer tube, greatly
Big saving space, is convenient for carrying, and need to only be unlocked with regard to inner tube can be made to stretch out outer tube, can conveniently surveyed by lockable mechanism
Measure the depth of water.
Brief description of the drawings：
Fig. 1 is hydrographic survey equipment inner pipe portion contracting such as the structural representation after outer tube of the present invention；
Fig. 2 is the structural representation after hydrographic survey equipment inner tube of the present invention release completely；
Fig. 3 is the explosive view of the flexible measuring staff of the hydrology of the present invention；
Fig. 4 is the schematic diagram of inner tube；
Fig. 5 is the schematic diagram of outward appearance；
Fig. 6 is the schematic diagram of inner tube and outer tube when the second spacing ring and the 3rd spacing ring coordinate；
Fig. 7 is the schematic diagram of inner tube and outer tube when the first spacing ring coordinates with piston ring；
Fig. 8 is the schematic diagram of lockable mechanism；
The schematic diagram of housing when Fig. 9 is plug retraction housing；
Figure 10 is the schematic diagram of housing when opening is stretched out in plug compression；
Figure 11 is the schematic diagram of controller.
Each reference is in figure：
1st, outer tube, 2, inner tube, 3, lockable mechanism, 4, measurement apparatus, the 5, second spacing ring, the 6, first spacing ring, the 7, the 3rd
Spacing ring, 8, threaded joints, 9, piston, 10, housing, 11, control line, 12, controller, 13, guide pad, 14, plug, 15,
Elastic component, 16, control seat, 17, control handle.
Embodiment：
With reference to each accompanying drawing, the present invention is described in detail.
As illustrated in fig. 1 and 2, present embodiment discloses a kind of hydrographic survey equipment, the hydrographic survey equipment includes two solely
The flexible measuring staff of vertical part, the respectively hydrology and measurement apparatus 4, measurement apparatus 4 detachably coordinate with the flexible measuring staff of the hydrology.
As shown in Figures 1 to 3, the flexible measuring staff of the hydrology of the present embodiment includes：
Outer tube 1, including first end and the second end；
Inner tube 2, by the second end inner sleeve in outer tube, inner tube is slidably matched with outer tube, inner tube stretch into one end of outer tube with
There is the elastic fluid for promoting inner tube to be displaced outwardly between inner tube；
Lockable mechanism 3, in inner tube or outer tube, for being relatively fixed inner and outer tubes.
When in use, measurement apparatus 4 is arranged on outer tube 1 the hydrographic survey equipment of the present embodiment, and the of neighbouring outer tube 1
Two ends.
During the lockable mechanism unblock of the flexible measuring staff of the hydrology, inner tube can be promoted to be displaced outwardly by elastic fluid, or it is right
Inner tube, which applies pressure, makes the outside in-pipe of inner tube, and after moving into place, control lockable mechanism is locked, and can make inner and outer tubes
It is relatively fixed.This structure type of the flexible measuring staff of the hydrology, in inoperative, by the way that inner tube is pressed into outer tube, greatly
Space is saved, is convenient for carrying, need to only be unlocked by lockable mechanism with regard to inner tube can be made to stretch out outer tube, can conveniently measure water
It is deep.
During practice, elastic fluid can be spring or compressed gas, as also shown in e.g. figs. 4-7, in the present embodiment, bullet
Property medium is compressed gas；The first end of outer tube 1 is blind end, and the work for promoting inner tube to be displaced outwardly is provided with outer tube 1
Plug 9, piston 9 are slidingly sealed cooperation with the madial wall of outer tube 1, and compressed gas is filled in the space between piston and outer tube blind end
It is interior.In order to ensure sealing effectiveness, during practical operation, the madial wall of outer tube can do polishing, and piston can be by some close
Seal ensures sealing effectiveness with outer tube.As long as ensure that the sealing on the inside of piston and outer tube (uses rubber seal rings for seal, in outer tube
Compressed gas would not leak.
As also shown in e.g. figs. 4-7, in the present embodiment, the madial wall of outer tube 1 has the first spacing ring 6 at first end, and first
Spacing ring 6 coordinates with piston 9, prevent piston 9 further out pipe 1 blind end movement；The lateral wall of inner tube 2 is spacing adjacent to first
The opening position of ring 6 has the second spacing ring 5, and the second end of outer tube 1 has the 3rd spacing ring 7, the second spacing ring 5 and the 3rd spacing
Ring 7 coordinates, and prevents inner tube from completely disengaging outer tube.During practical operation, the 3rd spacing ring can be the flange at the end of outer tube second, also may be used
With the stop collar for being clamping or being threaded in the end of outer tube second.By setting the first spacing ring to limit the movement of piston,
Prevent elastic fluid from being gone wrong because of excess compression；By setting the second spacing ring and the 3rd spacing ring to prevent inner tube
Completely disengage outer tube.
As shown in Fig. 8,9 and 10, in the present embodiment, lockable mechanism 3 is arranged on outer tube 1, and lockable mechanism 3 includes：
Housing 10, is relatively fixed with outer tube 1 and the second end of neighbouring outer tube, housing have relative with inner tube lateral wall open
Mouthful, it is further fixed on guide pad 13 in housing；
Plug 14, it is arranged in housing 10, plug 14 and guide pad 13 are against and plug has with guide pad and cooperated
Spigot surface；
Elastic component 15, in housing 10, one end is with housing against the other end is used to press plug relative to guide pad
It is mobile, until plug pass after opening with the lateral wall of inner tube against；
Control line 11, one end are connected with plug 14, and the other end stretches out；
Controller 12, the one end fits to stretch out with control line 15, line traffic control plug retraction housing is controlled for pulling
It is interior.When the plug of lockable mechanism is close to inner tube, inner tube descending can not extend, as long as by pulling control line or firmly pushing outer
Pipe, inner tube can shrink at any time, be easy to user to adjust；This structure type can solve the problem that plug is tightly stuck with inner tube lateral wall
When, the problem of controller is difficult to pull.Using plug be close to inner tube this fit system also solve opened in inner tube positioning hole/
The problem of locating slot, because when opening up positioning hole or locating slot in inner tube, the end of outer tube second, which just is inconvenient to install, to be covered with dust.Pass through
Plug is close to this fit system of inner tube, and any position of inner tube is lockable, and the non-porous no rooved face of inner tube outer surface is smooth,
It is easy to the installation at the end of outer tube second to be covered with dust, completely cuts off all sandstone impurity between inner and outer pipes, influence expanding-contracting action.Practice
When, the outside of control line can also be coated with plastic tube, and cable architecture is controlled with being braked similar to standard bicycle, and this structure
Cost is relatively low.During practice, elastic component can be spring.
In the present embodiment, spigot surface is clinoplain or arcwall face.
As shown in figure 11, in the present embodiment, controller 12 includes：
Seat 16 is controlled, is relatively fixed with outer tube 1；
Control handle 17, middle part are rotatably installed on control seat, and one end of control handle is connected with control line, and the other end is control
End.
In the present embodiment, the lateral wall of inner tube 2 and outer tube 1 is carved with depth sign, and reaches when inner tube passes outer tube
During maximum displacement, the depth sign of inner and outer tubes is mutually continuous.When inner tube, which passes outer tube, reaches maximum displacement, inner and outer tubes
Depth sign it is mutually continuous, be so designed to personnel easy to operation calculating underwater penetration.During practice, inner tube elongated portion
Can be 1 meter with round numbers.
In the present embodiment, the length of outer tube is more than inner tube length, and the first end of outer tube has threaded joints 8, screw thread
Connecting portion is used to connect with extension pipe.Outer tube is bigger than inner tube length, it is ensured that when inner tube is entirely retracted to, still there is abundant sky top
Between, avoid elastic fluid excess compression from make it that elastic force is excessive, be negatively affected to use.
Measurement apparatus described in the present embodiment can be a variety of conventional hydrographic survey equipment such as rotating element current meter.It is actual
During operation, the flexible measuring staff of the hydrology of the present embodiment is used cooperatively with measurement apparatus, measurement apparatus directly can be fixed on into outer tube
The external place at neighbouring second end, lockable mechanism unblock stretches out inner tube and reaches maximum, and after lockable mechanism is locked, the hydrology is flexible to be surveyed
Bar can measure flow depth, and lockable mechanism unlocks after determining depth, pushes the length that outer tube makes inner tube be reduced to needs, makes measurement
Equipment just at the depth of water of 60% effect at, lockable mechanism is locked, and can now start gathered data, and the hydrology stretches measuring staff
This structure type, it for the measurement bar of transmission, can significantly simplify flow measurement preparation, improve efficiency, reduce work
Make the time.
The preferred embodiments of the present invention are the foregoing is only, not thereby limit the scope of patent protection of the present invention, it is all
It is the equivalent structure transformation made with description of the invention and accompanying drawing content, is directly or indirectly used in other related technologies
Field, similarly include within the scope of the present invention.
Claims (8)
- The measuring staff 1. a kind of hydrology stretches, it is characterised in that including：Outer tube, including first end and the second end；Inner tube, by the second end inner sleeve in outer tube, inner tube is slidably matched with outer tube, inner tube stretch into one end of outer tube and inner tube it Between have and promote the elastic fluid that is displaced outwardly of inner tube；Lockable mechanism, in inner tube or outer tube, for being relatively fixed inner and outer tubes；Lockable mechanism is arranged on outer tube, and the lockable mechanism includes：Housing, is relatively fixed with outer tube and the second end of neighbouring outer tube, housing have the opening relative with inner tube lateral wall, housing Inside it is further fixed on guide pad；Plug, it is arranged in housing, plug and the guide pad are against and plug has the guiding to cooperate with guide pad Face；Elastic component, in housing, one end is with housing against the other end moves for pressing plug relative to guide pad, directly After passing opening to plug with the lateral wall of inner tube against；Control line, one end are connected with plug, and the other end stretches out；Controller, the one end fits to stretch out with the control line, for pulling in control line traffic control plug retraction housing；The lateral wall of said inner tube and outer tube is carved with depth sign, and when inner tube passes outer tube and reaches maximum displacement, inner tube It is mutually continuous with the depth sign of outer tube.
- The measuring staff 2. hydrology as claimed in claim 1 stretches, it is characterised in that the elastic fluid is compressed gas；Outer tube First end is blind end, and the piston for promoting inner tube to be displaced outwardly is provided with outer tube, and the piston is slided with outer tube madial wall Dynamic sealing coordinates, and the compressed gas is filled in the space between piston and outer tube blind end.
- The measuring staff 3. hydrology as claimed in claim 2 stretches, it is characterised in that the outer tube madial wall has at first end First spacing ring, first spacing ring and piston coordinate, and prevent the blind end movement of piston pipe further out；Said inner tube Lateral wall has the second spacing ring adjacent to the opening position of the first spacing ring, and the second end of the outer tube has the 3rd spacing ring, institute State the second spacing ring and the 3rd spacing ring coordinates, prevent inner tube from completely disengaging outer tube.
- The measuring staff 4. hydrology as claimed in claim 1 stretches, it is characterised in that the elastic fluid is spring.
- The measuring staff 5. hydrology as claimed in claim 1 stretches, it is characterised in that the spigot surface is clinoplain or arcwall face.
- The measuring staff 6. hydrology as claimed in claim 1 stretches, it is characterised in that the controller includes：Seat is controlled, is relatively fixed with outer tube；Control handle, middle part are rotatably installed on the control seat, and one end of control handle is connected with the control line, and the other end is control End processed.
- The measuring staff 7. hydrology as claimed in claim 1 stretches, it is characterised in that the length of the outer tube is more than inner tube length, outside The first end of pipe has threaded joints, and the threaded joints are used to connect with extension pipe.
- 8. a kind of hydrographic survey equipment, it is characterised in that including measurement bar and measurement apparatus, the measurement bar is claim The flexible measuring staff of the hydrology described in 1~7 any one claim, the measurement apparatus are arranged on outer tube, and neighbouring outer tube Second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610165586.6A CN105587723B (en) | 2016-03-22 | 2016-03-22 | The flexible measuring staff of the hydrology and hydrographic survey equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610165586.6A CN105587723B (en) | 2016-03-22 | 2016-03-22 | The flexible measuring staff of the hydrology and hydrographic survey equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587723A CN105587723A (en) | 2016-05-18 |
| CN105587723B true CN105587723B (en) | 2017-11-10 |
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| CN201610165586.6A Expired - Fee Related CN105587723B (en) | 2016-03-22 | 2016-03-22 | The flexible measuring staff of the hydrology and hydrographic survey equipment |
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|---|---|---|---|---|
| CN109725171A (en) * | 2017-10-31 | 2019-05-07 | 帕克环保技术(上海)有限公司 | The casting bed circulation rate measurement method of sand filtering device |
| CN110037804A (en) * | 2019-04-26 | 2019-07-23 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of multifunctional medical posture pallet that can adjust height and direction freely |
| CN111024979B (en) * | 2019-12-09 | 2021-06-25 | 河海大学 | Depth-measurable current meter |
| CN111789514A (en) * | 2020-07-08 | 2020-10-20 | 卢建强 | Structure of giving a rubdown with a damp towel convenient to dismouting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2939496B2 (en) * | 1994-02-28 | 1999-08-25 | 五洋建設株式会社 | Underwater sand layer thickness measuring device and method |
| US7530174B1 (en) * | 2007-07-19 | 2009-05-12 | The United States Of America As Represented By The Secretary Of The Interior | Wading rod level assembly |
| CN101813112A (en) * | 2010-05-10 | 2010-08-25 | 沈盘根 | Telescopic tube |
| CN102636663B (en) * | 2012-04-28 | 2013-08-21 | 唐山现代工控技术有限公司 | Method for measuring flow rate of channel by utilizing bubbles and portable bubble flow rate instrument |
| CN203023202U (en) * | 2012-11-09 | 2013-06-26 | 黄汉卿 | Stretchable rod with automatic-popping improved structure |
| CN103032664A (en) * | 2012-12-28 | 2013-04-10 | 捷普科技（上海）有限公司 | Gravity self locking type hanging rod external member and self locking method |
| CN104502628A (en) * | 2015-01-16 | 2015-04-08 | 张喜 | Method and device for handheld ultrasonic measurement of channel flow speed |
| CN204718655U (en) * | 2015-06-04 | 2015-10-21 | 亓传周 | A kind of portable multi-function flow measurement bar |
| CN205503660U (en) * | 2016-03-22 | 2016-08-24 | 朱志冠 | Flexible measuring staff of hydrology and hydrology measuring equipment |
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2016
- 2016-03-22 CN CN201610165586.6A patent/CN105587723B/en not_active Expired - Fee Related
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