CN116989866B - Hydropower station upstream water reservoir water level monitoring device - Google Patents
Hydropower station upstream water reservoir water level monitoring device Download PDFInfo
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- CN116989866B CN116989866B CN202311261388.6A CN202311261388A CN116989866B CN 116989866 B CN116989866 B CN 116989866B CN 202311261388 A CN202311261388 A CN 202311261388A CN 116989866 B CN116989866 B CN 116989866B
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- monitoring device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000012806 monitoring device Methods 0.000 title claims abstract description 40
- 238000011144 upstream manufacturing Methods 0.000 title claims abstract description 34
- 238000009423 ventilation Methods 0.000 claims abstract description 30
- 238000007667 floating Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 108
- 238000001125 extrusion Methods 0.000 claims description 50
- 238000000926 separation method Methods 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010943 off-gassing Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 239000010802 sludge Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/22—Inflatable buoys with gas generating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/58—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using mechanically actuated indicating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B2022/006—Buoys specially adapted for measuring or watch purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention relates to the technical field of hydropower station water level monitoring, in particular to a hydropower station upstream water reservoir water level monitoring device, which comprises a mounting unit, a water level monitoring device and a water level monitoring device, wherein the mounting unit comprises two fixing rods and a connecting plate arranged at the top ends of the two fixing rods; the sinking unit comprises two balancing weights which are arranged on the fixing rods in a sliding manner and are magnetically attracted to the bottom ends of the fixing rods, a long rod arranged on the balancing weights, an air bag arranged on the long rod and a ventilation assembly, and a floating unit comprising floating blocks arranged on the fixing rods in a sliding manner and arranged on the long rods, and a measuring rod arranged on the floating blocks. This power station upstream water reservoir water level monitoring device through annotating the gasbag for the gasbag drives the silt that the balancing weight risees and leaves the reservoir bottom, later carries out gassing through switch module to the gasbag, makes the balancing weight fall back to the water bottom again, and is located silt top, later obtains the water level on the silt through reading the difference in height between measuring stick and the stock.
Description
Technical Field
The invention relates to the technical field of hydropower station water level monitoring, in particular to a hydropower station upstream water reservoir water level monitoring device.
Background
Hydropower stations are common supporting equipment for hydroelectric power generation, and when the water level of the hydropower stations is managed, the water level of the hydropower stations is monitored in real time by matching with a monitoring device, so that the water level condition of the hydropower stations is known, and the follow-up adjustment of related equipment is facilitated.
But the scale of the water level line on the bank is directly observed by the existing water level monitoring device to obtain the distance from the water surface to the water bottom, so that the water level depth is obtained, the water level is raised due to the fact that sludge is deposited at the bottom of the reservoir, and the obtained water level is inaccurate. Therefore, the invention provides a water level monitoring device for an upstream water reservoir of a hydropower station.
Disclosure of Invention
The invention is provided in view of the problem that the water level is raised due to the sediment of the silt existing in the water level monitoring device of the upstream water reservoir of the existing hydropower station.
Therefore, the invention provides a hydropower station upstream water reservoir water level monitoring device, which aims to: eliminating the influence of the sediment of the sludge at the bottom end of the reservoir on the water level.
In order to solve the technical problems, the invention provides the following technical scheme: the water level monitoring device for the upstream water reservoir of the hydropower station comprises a mounting unit, a water level monitoring device and a water level monitoring device, wherein the mounting unit comprises two fixing rods and a connecting plate arranged at the top ends of the two fixing rods;
the sinking unit comprises balancing weights which are arranged on the two fixed rods in a sliding manner and are magnetically attracted and connected with the bottom ends of the fixed rods, long rods arranged on the balancing weights, air bags and ventilation assemblies arranged on the long rods, and switch assemblies arranged on the connecting plates, wherein the switch assemblies are matched with the ventilation assemblies; the air bag is positioned at the bottom end of the long rod, a ventilation pore canal is arranged in the long rod, and two ends of the ventilation pore canal are respectively communicated with the ventilation assembly and the air bag; the method comprises the steps of,
the floating unit comprises a floating block which is arranged on the fixed rod and the long rod in a sliding manner, a measuring rod and an air injection assembly which are arranged on the floating block, and the air injection assembly is matched with the ventilation assembly.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the ventilation assembly comprises a mounting cylinder arranged on the long rod, a separation ring arranged in the mounting cylinder, an air outlet hole arranged at the top end of the mounting cylinder and a sealing part arranged between the separation ring and the air outlet hole;
one end of the ventilation duct is communicated with the inside of the installation cylinder, the separation ring is positioned below the communication part of the ventilation duct and the installation cylinder, and the bottom end of the installation cylinder is connected with the gas injection assembly.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the sealing part comprises a sealing spring arranged in the mounting cylinder, a sealing plate arranged between the sealing spring and the air outlet hole, and a sealing piece arranged between the sealing spring and the separation ring;
the sealing plate is plum blossom-shaped, and the top surface of the sealing plate is in butt seal with the mounting cylinder.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the gas injection assembly comprises a connecting rod which is arranged on the floating block and inserted into the mounting cylinder, a first piston which is arranged at the top end of the connecting rod and is in sliding sealing with the mounting cylinder, and a gas inlet one-way valve which is arranged on the mounting cylinder and is positioned between the first piston and the separation ring.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the sealing piece comprises a mounting plate arranged at the bottom end of the sealing spring, a sealing ball arranged between the mounting plate and the separation ring, and a sealing cover elastically arranged at the bottom end of the sealing ball;
the sealing cover also comprises a gas release part which is arranged in the sealing plate and the bottom end of which is propped against the sealing cover.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the air release part comprises a mounting ring positioned above the mounting plate, an extrusion column which is rotationally arranged in the mounting ring and slides through the sealing plate, an extrusion rod which is arranged at the bottom end of the extrusion column, a sealing ball which slides through the extrusion rod to be matched with the sealing cover, and a limiting piece which is arranged between the extrusion column and the sealing plate;
the mounting ring is elastically connected with the mounting plate;
and a communication groove matched with the switch component is formed between the extrusion rod and the extrusion column.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the limiting piece comprises an arc-shaped hole and an arc-shaped groove which are arranged on the sealing plate and positioned at the outer side of the extrusion column, a limiting block which is arranged on the extrusion column and positioned in the arc-shaped hole, and an extrusion block which is elastically arranged in the arc-shaped groove;
the limiting block is propped against the extrusion block to be fixed, and a groove for the limiting block to be inserted into is formed in the inner side wall of the arc-shaped groove.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the switch assembly comprises a storage barrel arranged on the connecting plate, a jacking column which is elastically arranged in the storage barrel and matched with the extrusion column, and a plurality of hanging blocks which are elastically arranged at the bottom end of the jacking column and propped against the inner side of the air outlet hole; the contact surface between the bottom end of the hanging block and the air outlet hole is an inclined surface.
An air inlet groove and a mounting groove are formed in the top column, the air inlet groove is positioned in the center of the top column and matched with the communication groove, the mounting groove is positioned at the outer side of the air inlet groove, and one end of the hanging block is elastically connected with the mounting groove;
the mounting groove is internally provided with a driving part connected with a plurality of hanging blocks.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the driving part comprises a second piston which is elastically arranged in the air inlet groove, a sliding rod which is arranged at the top end of the air inlet groove in a sliding way and matched with the hanging blocks, a push rod which is arranged on the second piston and is propped against a plurality of the sliding rods, a connecting rope which is arranged between the sliding rod and the hanging blocks, and a plastic pipe which is arranged in the mounting groove and the air inlet groove and the bottom end of which is horizontally penetrated by the connecting rope;
the sliding rod is L-shaped.
As a preferable scheme of the water level monitoring device for the upstream water reservoir of the hydropower station, the invention comprises the following steps: the height line is arranged on the long rod, the height value from the height line to the bottom end of the balancing weight is a, the scale line is arranged on the measuring rod, the reading at the superposition position of the scale line and the height value is the water surface height b, and the depth of the water level is the difference value between a and b.
The invention has the beneficial effects that: through carrying out the gas injection to the gasbag for the gasbag drives the silt that the balancing weight risees and leaves the reservoir bottom, later carries out gassing through switch module to the gasbag, makes the balancing weight fall back to the water bottom again, and is located silt top, later obtains the water level height on the silt through reading the difference in height between measuring stick and the stock.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the water level monitoring device for the upstream water reservoir of the hydropower station.
FIG. 2 is a schematic diagram of the structure of the gas injection assembly of the upstream water level monitoring device of the hydropower station.
FIG. 3 is a schematic diagram of the seal structure of the water level monitoring device for the upstream water reservoir of the hydropower station.
Fig. 4 is a schematic diagram of a limiting member structure of the water level monitoring device for an upstream water reservoir of a hydropower station.
FIG. 5 is a schematic diagram of the switch assembly of the upstream water level monitoring device of the hydropower station.
FIG. 6 is a schematic diagram of the driving part of the water level monitoring device for the upstream water reservoir of the hydropower station.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Embodiment 1 referring to fig. 1 to 2, for a first embodiment of the present invention, there is provided a hydropower station upstream water level monitoring device comprising a mounting unit 100, a sinking unit 200 and a floating unit 300;
the mounting unit 100 includes two fixing bars 101, and a connection plate 102 provided at the top ends of the two fixing bars 101; the two fixing rods 101 are parallel and fixedly arranged in the reservoir, and the connecting plate 102 and the top ends of the fixing rods 101 are positioned above the water surface.
The sinking unit 200 comprises balancing weights 201 which are arranged on two fixed rods 101 in a sliding manner and are magnetically connected with the bottom ends of the fixed rods 101, long rods 202 which are arranged on the balancing weights 201, air bags 203 and ventilation assemblies 204 which are arranged on the long rods 202, switch assemblies 205 which are arranged on the connecting plates 102, and the switch assemblies 205 are matched with the ventilation assemblies 204; the air bag 203 is positioned at the bottom of the long rod 202, a ventilation duct 206 is arranged in the long rod 202, and two ends of the ventilation duct 206 are respectively communicated with the ventilation assembly 204 and the air bag 203; wherein the venting assembly 204 is positioned above the water surface.
The floating unit 300 comprises a floating block 301 which is arranged on the fixed rod 101 and the long rod 202 in a sliding manner, a measuring rod 302 and an air injection assembly 303 which are arranged on the floating block 301, and the air injection assembly 303 is matched with the ventilation assembly 204.
The long rod 202 is provided with a height line, the height value from the height line to the bottom end of the balancing weight 201 is a, the measuring rod 302 is provided with a scale line, the reading of the superposition position of the scale line and the height value is the height b above the water surface, and the depth of the water level is the difference value between a and b.
Wherein, dead lever 101 bottom adopts the metal to make, and balancing weight 201 and dead lever 101 sliding contact's position adopts magnet to make, and balancing weight 201 and dead lever 101 bottom magnetism inhale to be connected, and balancing weight 201 and dead lever 101 magnetism inhale the region of being connected and set up to magnetism and inhale district c, and the buoyancy after gasbag 203 is full of the gas is greater than balancing weight 201's gravity and magnetic attraction force's sum, and balancing weight 201's gravity is greater than magnetic attraction force in the aquatic.
Further, the ventilation assembly 204 includes a mounting tube 204a disposed on the long rod 202, a separation ring 204b disposed inside the mounting tube 204a, an air outlet hole 204c disposed at the top end of the mounting tube 204a, and a sealing portion 204d disposed between the separation ring 204b and the air outlet hole 204 c; the mounting tube 204a is connected with the long rod 202 through a metal plate, the bottom end of the ventilation duct 206 is communicated with the air bag 203, the top end of the ventilation duct 206 penetrates through the metal plate to be communicated with the mounting tube 204a, and a height line can be arranged on the metal plate.
One end of the ventilation pore canal 206 is communicated with the inside of the mounting barrel 204a, the separation ring 204b is positioned below the communication part of the ventilation pore canal 206 and the mounting barrel 204a, the bottom end of the mounting barrel 204a is connected with the gas injection component 303, the gas injection component 303 can be made of an inflator, the gas outlet end of the inflator is connected with the bottom end of the mounting barrel 204a, the sealing part 204d in the mounting barrel 204a is propped open by inflating the inflator, so that gas enters the air bag 203, the air bag 203 expands to increase the buoyancy of the air bag 203, and the inflator is closed after the air bag 203 is full.
When the buoyancy of the air bag 203 after being fully inflated is greater than the sum of the gravity and the magnetic attraction of the balancing weight 201, the balancing weight 201 and the long rod 202 are driven to slowly float upwards and separate from the magnetic attraction zone c, and quickly float upwards after separating from the magnetic attraction zone c, the top end of the mounting cylinder 204a is driven to float upwards and prop against the switch assembly 205, wherein the length of the magnetic attraction zone c is preferably set to be 1 meter;
the switch assembly 205 may be supported by a metal rod adapted to the air outlet 204c, after the installation tube 204a floats upwards, the metal rod is inserted into the air outlet 204c to contact and offset the sealing portion 204d, the sealing portion 204d is opened, gas in the air bag 203 is extruded by water pressure to quickly overflow, the balancing weight 201 is sunk at the bottom end of the reservoir, the balancing weight 201 is lifted and lowered, so that the balancing weight 201 is lifted and separated from sludge at the bottom end of the reservoir, the balancing weight is lowered and lowered 201 is fallen above the sludge, and accuracy of measuring water level is improved.
Further, when balancing weight 201 is located the reservoir bottom, stock 202 top slip grafting is on connecting plate 102, and stock 202 top and connecting plate 102 top parallel and level, after balancing weight 201 falls in silt top, stock 202 top surpasses connecting plate 102, and the distance that surpasss is silt degree of depth d, through observing the length of d, can clearly know the silt degree of depth of reservoir, the timely clearance reservoir silt of being convenient for.
The use process is, when observing the water level, firstly, through the gas injection subassembly 303 through the subassembly 204 of ventilating to the gasbag 203 inflates for the gasbag 203 is inflated, drives the balancing weight 201 and keeps rising after leaving silt, when the subassembly 204 offsets with the switch subassembly 205 of ventilating, is jacked up by the switch subassembly 205, makes the gasbag 203 gas overflow, and balancing weight 201 falls back to silt top, observes the difference of a and b at this moment, can obtain the water level height of reservoir this moment.
Embodiment 2, referring to fig. 1-4, is a second embodiment of the present invention, which differs from the first embodiment in that: the sealing portion 204d includes a sealing spring 204d-1 provided in the mounting tube 204a, a sealing plate 204d-2 provided between the sealing spring 204d-1 and the air outlet hole 204c, and a seal 204d-3 provided between the sealing spring 204d-1 and the separation ring 204 b;
the sealing plate 204d-2 is quincuncial, the top surface of the sealing plate 204d-2 abuts against the mounting cylinder 204a to seal, sealing can be achieved when the sealing plate 204d-2 abuts against the mounting cylinder 204a, and when the sealing plate 204d-2 is extruded to separate from the air outlet hole 204c, air in the air bag 203 overflows from the air outlet hole 204c after passing through the quincuncial sealing plate 204 d-2.
The gas injection assembly 303 comprises a connecting rod 303a arranged on the floating block 301 and inserted in the mounting cylinder 204a, a first piston 303b arranged at the top end of the connecting rod 303a and in sliding sealing with the mounting cylinder 204a, and a gas inlet one-way valve 303c arranged on the mounting cylinder 204a, wherein the gas inlet one-way valve 303c is positioned between the first piston 303b and the separation ring 204 b;
wherein, the floating block 301 floats up and down along with the fluctuation of the water surface, when the floating block 301 descends, the first piston 303b is driven to descend, at the moment, the air pressure in the mounting cylinder 204a is reduced, the sealing element 204d-3 is propped against the separation ring 204b, the air inlet one-way valve 303c is opened, so that the inside of the mounting cylinder 204a is inflated, when the floating block 301 ascends, the first piston 303b is driven to ascend, at the moment, the air pressure in the mounting cylinder 204a ascends, the sealing element 204d-3 is extruded and separated from the separation ring 204b, meanwhile, the air inlet one-way valve 303c is sealed, the air in the mounting cylinder 204a is extruded into the air bag 203, the air bag 203 is circularly ventilated, after the air bag 203 is full, the balancing weight 201 is driven to leave and fall above the sludge; the buoyancy force of the floating block 301 is larger than the pressure of the air bag 203 under the water, so that the air bag 203 can be inflated when the floating block 301 floats.
The air inlet check valve 303c may be made of a mounting pipe communicated with the mounting barrel 204a, a fixing ring and a sealing ring are arranged inside the mounting pipe, a ball valve which is abutted against the sealing ring is elastically mounted on the fixing ring, the ejection direction of the ball valve is opposite to that of the mounting barrel 204a, when the air pressure inside the mounting barrel 204a is reduced, the external air can squeeze the ball valve and enter the mounting barrel 204a, and when the air pressure inside the mounting barrel 204a is increased, the ball valve can be squeezed, so that the ball valve is abutted against the sealing ring.
The sealing piece 204d-3 comprises a mounting plate 204d-31 arranged at the bottom end of a sealing spring 204d-1, a sealing ball 204d-32 arranged between the mounting plate 204d-31 and a separation ring 204b, a sealing cover 204d-33 elastically arranged at the bottom end of the sealing ball 204d-32, the separation ring 204b of the sealing ball 204d-32 is in butt seal, the sealing cover 204d-33 is in butt seal with the bottom end of the sealing ball 204d-32, the bottom end of the sealing ball 204d-32 is provided with a caulking groove, the sealing cover 204d-33 is connected with the sealing ball 204d-32 through a first spring, and the first spring is positioned in the caulking groove;
the sealing device further comprises a gas release part 204e which is arranged in the sealing plate 204d-2 and the bottom end of which abuts against the sealing cover 204d-33, wherein the gas release part 204e comprises a mounting ring 204e-1 which is positioned above the mounting plate 204d-31, the bottom end of the mounting ring 204e-1 is connected with the mounting plate 204d-31 through a second spring, a squeezing column 204e-2 which is arranged in the mounting ring 204e-1 in a rotating way and slides through the sealing plate 204d-2 is arranged, a squeezing rod 204e-3 which is arranged at the bottom end of the squeezing column 204e-2 is arranged, the squeezing rod 204e-3 slides through a sealing ball 204d-32 to be matched with the sealing cover 204d-33, the squeezing rod 204e-3 is connected with the sealing ball 204d-32 in a sliding way, the contact surface is sealed, and a limiting piece 204e-4 which is arranged between the squeezing column 204e-2 and the sealing plate 204d-2 is arranged; a communication groove 204e-5 is arranged between the extrusion rod 204e-3 and the extrusion column 204e-2, and when the extrusion rod 204e-3 extrudes the sealing cover 204d-33 and separates from the sealing ball 204d-32, the bottom of the mounting cylinder 204a is communicated with the outside through the communication groove 204 e-5;
the limiting piece 204e-4 comprises an arc-shaped hole 204e-41 and an arc-shaped groove 204e-42 which are arranged on the sealing plate 204d-2 and are positioned outside the extrusion column 204e-2, a limiting block 204e-43 which is arranged on the extrusion column 204e-2 and is positioned in the arc-shaped hole 204e-41, and an extrusion block 204e-44 which is elastically arranged in the arc-shaped groove 204e-42, wherein the extrusion block 204e-44 is connected with the bottom end of the arc-shaped groove 204e-42 through a third spring;
the limiting block 204e-43 is abutted against the pressing block 204e-44 for fixing, a groove 204e-45 for inserting the limiting block 204e-43 is formed in the inner side wall of the arc-shaped groove 204e-42, the pressing block 204e-44 pops up under the elastic force of the third spring, and the limiting block 204e-43 is pushed to be positioned in the arc-shaped hole 204 e-41.
When the floating block 301 fluctuates, the air bag 203 is inflated, so that the air bag 203 is inflated, the balancing weight 201 is driven to leave the sludge and then continuously ascend until the top end of the mounting cylinder 204a is propped against the switch assembly 205, the switch assembly 205 presses the extrusion column 204e-2 into the sealing plate 204d-2, then continuously extrudes the sealing plate 204d-2 to deflate the air bag 203, the balancing weight 201 descends and falls above the sludge again, the air bag 203 is inflated and deflated circularly, the balancing weight 201 is driven to float downwards, and the balancing weight 201 can be prevented from being buried by the sludge.
When the water level is observed, the extrusion column 204e-2 is rotated to drive the limiting block 204e-43 to be inserted into the groove 204e-45, then the extrusion column 204e-2 is pressed, the extrusion column 204e-2 is driven to drive the sealing plate 204d-2 to descend to open the air outlet hole 204c, the extrusion rod 204e-3 is not contacted with the sealing cover 204d-33, at the moment, the air bag 203 overflows to ensure that the balancing weight 201 is positioned at the bottom end of the reservoir, and meanwhile, the sealing plate 204d-2 descends to extrude the sealing spring 204d-1 to increase the pressure between the sealing ball 204d-32 and the separation ring 204b, so that the floating block 301 cannot move upwards along with the fluctuation of the water level, the floating block 301 and the measuring rod 302 are fixed, and the difference between a and b is convenient to read.
The rest of the structure is the same as that of embodiment 1.
The use process is as follows: when the floating block 301 fluctuates, the air bag 203 is inflated, so that the air bag 203 is inflated, the balancing weight 201 is driven to leave the silt and then continuously ascend until the top end of the mounting cylinder 204a abuts against the switch assembly 205 to release air, and the balancing weight 201 falls back to the upper side of the silt again; when the water level needs to be observed, the extrusion column 204e-2 is rotated to enable the limiting block 204e-43 to compress the extrusion block 204e-44, the limiting block 204e-43 is inserted into the groove 204e-45, then the extrusion column 204e-2 is pressed to drive the sealing plate 204d-2 to descend, air leakage is carried out on the air bag 203, the balancing weight 201 is located at the bottom of the water reservoir, and then water level reading is carried out.
Embodiment 3, referring to fig. 1-6, is a third embodiment of the present invention, which differs from the second embodiment in that: the switch assembly 205 comprises a storage barrel 205a arranged on the connecting plate 102, a jacking column 205b which is elastically arranged in the storage barrel 205a and matched with the extrusion column 204e-2, an installation side and an extension side are arranged at the top end of the jacking column 205b, the installation side is connected with the storage barrel 205a through a fourth spring, the end part of the extension side is propped against the top end of the storage barrel 205a, and a plurality of hanging blocks 205c which are elastically arranged at the bottom end of the jacking column 205b and propped against the inner side of the air outlet hole 204c, the contact surface between the bottom end of the hanging blocks 205c and the air outlet hole 204c is an inclined surface, the hanging blocks 205c are connected with the jacking column 205b through a fifth spring, and the fifth spring is embedded in the hanging blocks 205 c;
an air inlet groove 205d and a mounting groove 205e are formed in the top column 205b, the air inlet groove 205d is positioned in the center of the top column 205b and matched with the communication groove 204e-5, when the top column 205b is propped against the extrusion column 204e-2, the communication groove 204e-5 is propped against the air inlet groove 205d to be communicated, the contact part is sealed, the mounting groove 205e is positioned on the outer side of the air inlet groove 205d, and a fifth spring at one end of the hanging block 205c is fixedly connected with the inner part of the mounting groove 205 e;
the installation groove 205e is provided with a driving part 205f connected with a plurality of hanging blocks 205c, the driving part 205f comprises a second piston 205f-1 which is elastically arranged in the air inlet groove 205d, a sliding rod 205f-2 which is arranged at the top end of the air inlet groove 205d in a sliding way and matched with the hanging blocks 205c, the sliding rod 205f-2 is L-shaped, the inner wall of the air inlet groove 205d is provided with a sliding groove for sliding the sliding rod 205f-2, a push rod 205f-3 which is arranged on the second piston 205f-1 and is propped against the plurality of sliding rods 205f-2, a connecting rope 205f-4 which is arranged between the sliding rod 205f-2 and the hanging blocks 205c, and a plastic pipe 205f-5 which is arranged in the installation groove 205e and the air inlet groove 205d and the bottom end of which is horizontally provided for the connecting rope 205f-4 to pass through;
the sliding rods 205f-2 in the air inlet groove 205d are fixedly connected, the bottom end of the plastic tube 205f-5 coincides with the fifth spring center axis of the hanging block 205c, the bottom end of the plastic tube 205f-5 penetrates into the air inlet groove 205d from the mounting groove 205e and penetrates into the mounting groove 205e again, the top end of the plastic tube 205f-5 is opposite to the bottom end of the sliding rod 205f-2, the connecting rope 205f-4 penetrates through the plastic tube 205f-5, and the connecting rope 205f-4 is shaped, so that when the connecting rope 205f-4 is pulled, a corner is not folded and is blocked, and horizontal pulling of the hanging block 205c is ensured.
Wherein, after the air bag 203 is inflated, the balancing weight 201 is driven to float, and after the air bag 203 is separated from the magnetic attraction zone c, the air bag quickly floats until the top column 205b is impacted against the extrusion column 204e-2, the top column 205b compresses the extrusion column 204e-2 to enable the extrusion column 204e-2 to retract into the sealing plate 204d-2, then the top column 205b compresses the extrusion column 204e-2 and the sealing plate 204d-2, simultaneously, the bottom of the extrusion rod 204e-3 is driven to contact with the sealing cover 204d-33, the extrusion rod 204e-3 extrudes the sealing cover 204d-33, so that the sealing cover 204d-33 is separated from the sealing ball 204d-32, and a channel between the bottom of the mounting cylinder 204a and the air inlet groove 205d is opened;
further, when the top column 205b extrudes the sealing plate 204d-2, the hanging block 205c is propped against the air outlet hole 204c, and is extruded by the edge of the air outlet hole 204c, and is retracted into the top column 205b, after the top column 205b is inserted into the mounting cylinder 204a, the hanging block 205c is ejected out to prop against the top end of the mounting cylinder 204a to hang the mounting cylinder 204a, so that the air in the air bag 203 can be completely discharged;
further, when the air in the air bag 203 is completely discharged, the balancing weight 201 descends to drive the mounting cylinder 204a and the top column 205b to descend and stretch the fourth spring, the mounting cylinder 204a descends to approach the floating block 301, the air pressure between the separation ring 204b and the first piston 303b is increased, the air pressure in the air inlet groove 205d is increased along with the increase, the second piston 205f-1 moves upwards, the top rod 205f-3 and the sliding rod 205f-2 prop against to drive the sliding rod 205f-2 to move upwards, the hanging block 205c is pulled further, and the hanging block 205c is retracted into the top column 205b, so that the top column 205b is separated from the mounting cylinder 204a, and the balancing weight 201 is smoothly sunk.
The rest of the structure is the same as that of embodiment 2.
The use process is as follows: when the floating block 301 fluctuates, the air bag 203 is inflated, so that the air bag 203 expands, the balancing weight 201 is driven to leave the silt and then continuously ascend until the top end of the mounting cylinder 204a abuts against the top column 205b to release air from the air bag 203, when the air bag 203 is completely released, the balancing weight 201 drives the mounting cylinder 204a to descend, the mounting cylinder 204a descends to approach the floating block 301, the air pressure between the separation ring 204b and the first piston 303b is increased, the hanging block 205c is retracted, the top column 205b is separated from the mounting cylinder 204a, and the balancing weight 201 falls back to the upper part of the silt again; when the water level needs to be observed, the extrusion column 204e-2 is rotated to enable the limiting block 204e-43 to compress the extrusion block 204e-44, the limiting block 204e-43 is inserted into the groove 204e-45, then the extrusion column 204e-2 is pressed to drive the sealing plate 204d-2 to descend, air leakage is carried out on the air bag 203, the balancing weight 201 is located at the bottom end of the reservoir, and then water level reading is carried out.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (9)
1. An upstream water reservoir water level monitoring device of a hydropower station, which is characterized in that: comprising the steps of (a) a step of,
the mounting unit (100), the mounting unit (100) comprises two fixed rods (101) and a connecting plate (102) arranged at the top ends of the two fixed rods (101);
the sinking unit (200), the sinking unit (200) comprises balancing weights (201) which are arranged on two fixing rods (101) in a sliding manner and are magnetically attracted and connected with the bottom ends of the fixing rods (101), long rods (202) arranged on the balancing weights (201), air bags (203) and ventilation assemblies (204) arranged on the long rods (202), and switch assemblies (205) arranged on the connecting plates (102), wherein the switch assemblies (205) are matched with the ventilation assemblies (204); the air bag (203) is positioned at the bottom end of the long rod (202), a ventilation duct (206) is arranged in the long rod (202), and two ends of the ventilation duct (206) are respectively communicated with the ventilation assembly (204) and the air bag (203); the method comprises the steps of,
a floating unit (300), wherein the floating unit (300) comprises a floating block (301) which is arranged on the fixed rod (101) and the long rod (202) in a sliding manner, a measuring rod (302) and an air injection assembly (303) which are arranged on the floating block (301), and the air injection assembly (303) is matched with the ventilation assembly (204);
the ventilation assembly (204) comprises a mounting cylinder (204 a) arranged on the long rod (202), a separation ring (204 b) arranged in the mounting cylinder (204 a), an air outlet hole (204 c) arranged at the top end of the mounting cylinder (204 a), and a sealing part (204 d) arranged between the separation ring (204 b) and the air outlet hole (204 c);
one end of the ventilation duct (206) is communicated with the inside of the mounting cylinder (204 a), the separation ring (204 b) is positioned below the communication part of the ventilation duct (206) and the mounting cylinder (204 a), and the bottom end of the mounting cylinder (204 a) is connected with the gas injection assembly (303);
the gas injection assembly (303) pushes the sealing part (204 d) in the mounting cylinder (204 a) open through gas filling, so that gas enters the gas bag (203), the gas bag (203) is closed after being filled, the switch assembly (205) is inserted into the gas outlet hole (204 c) to contact and prop against the sealing part (204 d) after the mounting cylinder (204 a) floats upwards, and the sealing part (204 d) is opened.
2. The hydropower station upstream water level monitoring device according to claim 1, wherein: the sealing part (204 d) comprises a sealing spring (204 d-1) arranged in the mounting cylinder (204 a), a sealing plate (204 d-2) arranged between the sealing spring (204 d-1) and the air outlet hole (204 c), and a sealing piece (204 d-3) arranged between the sealing spring (204 d-1) and the separation ring (204 b);
the sealing plate (204 d-2) is quincuncial, and the top surface of the sealing plate (204 d-2) is in butt seal with the mounting cylinder (204 a).
3. The hydropower station upstream water level monitoring device according to claim 2, wherein: the air injection assembly (303) comprises a connecting rod (303 a) which is arranged on the floating block (301) and is inserted into the mounting cylinder (204 a), a first piston (303 b) which is arranged at the top end of the connecting rod (303 a) and is in sliding sealing with the mounting cylinder (204 a), an air inlet one-way valve (303 c) which is arranged on the mounting cylinder (204 a), and the air inlet one-way valve (303 c) is arranged between the first piston (303 b) and the separation ring (204 b).
4. A hydropower station upstream water level monitoring device according to claim 3, wherein: the sealing element (204 d-3) comprises a mounting plate (204 d-31) arranged at the bottom end of the sealing spring (204 d-1), a sealing ball (204 d-32) arranged between the mounting plate (204 d-31) and the separation ring (204 b), and a sealing cover (204 d-33) elastically arranged at the bottom end of the sealing ball (204 d-32);
and the sealing cover also comprises a gas release part (204 e) which is arranged in the sealing plate (204 d-2) and the bottom end of which is propped against the sealing cover (204 d-33).
5. The hydropower station upstream water level monitoring device according to claim 4, wherein: the air release part (204 e) comprises a mounting ring (204 e-1) positioned above the mounting plate (204 d-31), an extrusion column (204 e-2) rotatably arranged in the mounting ring (204 e-1) and sliding through the sealing plate (204 d-2), an extrusion rod (204 e-3) arranged at the bottom end of the extrusion column (204 e-2), the extrusion rod (204 e-3) sliding through the sealing ball (204 d-32) to be matched with the sealing cover (204 d-33), and a limiting piece (204 e-4) arranged between the extrusion column (204 e-2) and the sealing plate (204 d-2);
the mounting ring (204 e-1) is elastically connected with the mounting plate (204 d-31);
a communication groove (204 e-5) matched with the switch assembly (205) is arranged between the extrusion rod (204 e-3) and the extrusion column (204 e-2).
6. The hydropower station upstream water level monitoring device according to claim 5, wherein: the limiting piece (204 e-4) comprises an arc-shaped hole (204 e-41) and an arc-shaped groove (204 e-42) which are arranged on the sealing plate (204 d-2) and are positioned outside the extrusion column (204 e-2), a limiting piece (204 e-43) which is arranged on the extrusion column (204 e-2) and is positioned in the arc-shaped hole (204 e-41), and an extrusion block (204 e-44) which is elastically arranged in the arc-shaped groove (204 e-42);
the limiting block (204 e-43) is abutted against the extrusion block (204 e-44) for fixing, and a groove (204 e-45) for inserting the limiting block (204 e-43) is formed in the inner side wall of the arc-shaped groove (204 e-42).
7. The hydropower station upstream water level monitoring device according to claim 5 or 6, wherein: the switch assembly (205) comprises a storage barrel (205 a) arranged on the connecting plate (102), a top column (205 b) which is elastically arranged in the storage barrel (205 a) and matched with the extrusion column (204 e-2), and a plurality of hanging blocks (205 c) which are elastically arranged at the bottom end of the top column (205 b) and propped against the inner side of the air outlet hole (204 c), wherein the contact surface of the hanging blocks (205 c) and the air outlet hole (204 c) is an inclined surface;
an air inlet groove (205 d) and a mounting groove (205 e) are formed in the top column (205 b), the air inlet groove (205 d) is located at the center of the top column (205 b) and matched with the communication groove (204 e-5), the mounting groove (205 e) is located at the outer side of the air inlet groove (205 d), and one end of the hanging block (205 c) is elastically connected with the mounting groove (205 e);
a driving part (205 f) connected with the plurality of hanging blocks (205 c) is arranged in the mounting groove (205 e).
8. The hydropower station upstream water level monitoring device according to claim 7, wherein: the driving part (205 f) comprises a second piston (205 f-1) which is elastically arranged in the air inlet groove (205 d), a sliding rod (205 f-2) which is arranged at the top end of the air inlet groove (205 d) in a sliding manner and is matched with the hanging block (205 c), a push rod (205 f-3) which is arranged on the second piston (205 f-1) and is propped against a plurality of the sliding rods (205 f-2), a connecting rope (205 f-4) which is arranged between the sliding rod (205 f-2) and the hanging block (205 c), and a plastic pipe (205 f-5) which is arranged in the mounting groove (205 e) and the air inlet groove (205 d) and is horizontally provided at the bottom end for the connecting rope (205 f-4) to pass through;
the sliding rod (205 f-2) is L-shaped.
9. The hydropower station upstream water level monitoring device according to claim 8, wherein: the height line is arranged on the long rod (202), the height value from the height line to the bottom end of the balancing weight (201) is a, the scale mark is arranged on the measuring rod (302), the reading at the superposition position of the scale mark and the height value is the water surface height b, and the depth of the water level is the difference value between a and b.
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| CN118274921B (en) * | 2024-05-30 | 2024-08-06 | 三峡金沙江云川水电开发有限公司 | Bearing oil groove liquid level monitoring and measuring device and method |
| CN118464148A (en) * | 2024-07-15 | 2024-08-09 | 三峡金沙江云川水电开发有限公司 | Water level scale for hydropower plant measurement |
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