CN111907642A - Self-balancing floating hydrological monitoring device - Google Patents
Self-balancing floating hydrological monitoring device Download PDFInfo
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- CN111907642A CN111907642A CN202010861244.4A CN202010861244A CN111907642A CN 111907642 A CN111907642 A CN 111907642A CN 202010861244 A CN202010861244 A CN 202010861244A CN 111907642 A CN111907642 A CN 111907642A
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- 238000005096 rolling process Methods 0.000 claims abstract description 30
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- 238000012544 monitoring process Methods 0.000 abstract description 49
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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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
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- Hydrology & Water Resources (AREA)
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Abstract
The invention belongs to a self-balancing floating hydrological monitoring device in the field of hydraulic engineering, and the technical scheme is as follows: comprises a buoyancy tank, a special equipment room, a lifting traffic bridge, an anchor chain, an anchoring and a balance support; the special equipment room is arranged on the buoyancy tank; the lifting traffic bridge is connected with the shore through a hinged support, the lifting traffic bridge is in rolling connection with the top surface of the buoyancy tank through a rolling support, and the rolling support can freely roll back and forth, left and right in the rolling range of the top surface; the anchoring is sunk to the water bottom, and the buoyancy tank is connected with the anchoring through an anchor chain; the balance supports are uniformly and symmetrically arranged on the four sides of the buoyancy tank; a plurality of well measuring pipes are externally hung on the outer wall of the buoyancy tank. The water level observation and the water quality monitoring are integrated into a whole; the facility can self-balance and lift along with the water level; therefore, a dynamic monitoring, early warning and forecasting system in the whole process is established, safety monitoring is realized, and monitoring quality is guaranteed.
Description
Technical Field
The invention belongs to the field of hydraulic engineering, and particularly relates to a hydrological monitoring facility.
Background
Hydrologic monitoring is to master hydrologic information of the basin and explore change rules thereof by monitoring items such as water level, rainfall, evaporation capacity, water temperature, flow, sand content and water quality and collect long-term hydrologic data. The method provides scientific basis for flood control and drought resistance, comprehensive development and utilization of water resources, water environment protection, urban safe water supply and the like, and is an early development and later management site for hydraulic engineering and other engineering construction.
The hydrological monitoring pavilion is a main hydrological facility in water areas such as rivers, lakes, oceans, reservoirs and the like, is used for measuring water level and water quality of the water areas, and plays a great role in flood prevention work and drought resistance work. For example, only the rest of the existing hydrological fixed stations 100, the rest of the surface water monitoring points 300 and the rest of the flood prevention water condition remote measuring stations 100 in the Shanghai city. Therefore, the national hydrological monitoring pavilions can be distributed in tens of thousands of rivers, lakes and oceans.
The basic information provided by the hydrological monitoring kiosk is the core content of condition information required for realizing reasonable utilization of water resource optimization configuration, scientific flood control scheduling, water environment treatment and protection and the engagement of numerous water activities, and the important technical support effect of the hydrological monitoring kiosk is irreplaceable. In order to meet the needs of economic and social development and disaster prevention and reduction in China, hydrologic monitoring kiosks have more and more functions, environmental monitoring, forecasting and disaster emergency are observed from hydrology, and the hydrologic monitoring kiosks play more and more important roles in the economic and social development of disaster prevention and reduction, water area management, environmental protection and service places.
The existing hydrological monitoring pavilion is empty at the lower part, like a suspended footbuilding, and a terrace is arranged at the lowest water level so as to be convenient for a person to operate; for flood prevention safety requirements, the floor is 0.5m to 1.0m above the highest hydrology, and a terrace is arranged from a stair to the lowest water level at the lower part; when the stairs and the lower terrace are soaked in changing water for a long time, scales are corroded, some terraces are full of moss, the terraces are dark and moist, workers are inconvenient to go up and down, small accidents often occur, the great influence is caused on hydrological measurement, water quality monitoring work and personnel safety, the overhead channel connected with the hydrological monitoring pavilion on land is large in hanging height, and when the stairs and the lower terrace are in heavy wind and waves, the people cannot walk safely.
Secondly, in the current water level logging on the hydrological monitoring pavilion, the bottom of the well is lower than the real-time water level by 0.5m, and the lowest water level is considered and can be set according to the lowest water level, so that the hydrological observation precision is influenced, and the water quality monitoring effect is influenced. Because the monitoring water depth is not possible to change, the monitoring data is inaccurate.
The construction of the existing hydrology monitoring pavilion is complex, and a temporary construction cofferdam needs to be arranged during construction so as to ensure that structures such as beam columns, stairs and terraces of a lower frame of the hydrology monitoring pavilion can be constructed normally.
In summary, the existing hydrological monitoring pavilion has the following problems that firstly, the construction is inconvenient, the water area conditions which need to be provided with a monitoring station are not good, and some hydrological monitoring pavilions even cannot be constructed; secondly, the working environment of the current hydrological monitoring kiosk is not ideal, and potential safety hazards exist; thirdly, the monitoring water depth is fixed and cannot change along with the water level, so that the accuracy of monitoring data is influenced; fourthly, the undertaken task is single, and the investment is large; fifthly, water level observation can not be carried out in real time along with water level change, most of the devices do not comprise water quality monitoring, the facility material and construction cost is high, the landscape effect is poor, the engineering use requirements are difficult to meet, and the display technology is laggard.
Disclosure of Invention
In order to solve the technical problem, the invention provides a self-balancing floating hydrological monitoring device, which integrates water level observation and water quality monitoring into a whole and combines the water level observation and the water quality monitoring into a whole; the facility can self-balance and lift along with the water level; therefore, a dynamic monitoring, early warning and forecasting system in the whole process is established, safety monitoring is realized, and monitoring quality is guaranteed.
The technical scheme of the invention is as follows: a self-balancing floating hydrological monitoring device comprises a buoyancy tank, a special equipment room, a lifting traffic bridge, an anchor chain, an anchor and a balance support; the special equipment room is arranged on the buoyancy tank; the lifting type traffic bridge comprises a bridge deck plate, a hinged support and a rolling support, wherein the bridge deck plate is positioned at one end of the bridge deck plate; the lifting traffic bridge is hinged with the shore through a hinged support, and the hinged support is arranged above the highest water level of the shore; the lifting traffic bridge is in rolling connection with the top surface of the buoyancy tank through a rolling support; the rolling range is positioned in front of the special equipment room and close to the shore side; the anchoring is sunk to the water bottom, and the buoyancy tank is connected with the anchoring through an anchor chain; one end of an arc-shaped rod of the balance support is fixedly connected with the top outer side wall of the floating box, and the other end of the arc-shaped rod of the balance support is fixedly connected with the floating body; the balance supports are uniformly and symmetrically arranged on the four sides of the buoyancy tank; a plurality of well measuring pipes are externally hung on the outer wall of the buoyancy tank.
Based on the technical characteristics: the buoyancy tank is a hollow body with sealed periphery, a plurality of stiffened plates are arranged in the hollow body, and door openings are arranged on the stiffened plates and communicated with each other; the top of the buoyancy tank is provided with a manhole entering the buoyancy tank.
Based on the technical characteristics: when still water level, the top surface of flotation tank is higher than still water level 200 mm.
Based on the technical characteristics: the length of the water entering from the bottom of the well measuring pipe is 0.5m to 1.0 m.
Based on the technical characteristics: the rolling support is a universal roller arranged on the bottom surface of the end part of the bridge deck, and the universal roller is placed on the top surface of the buoyancy tank.
Based on the technical characteristics: two positioning piles are respectively arranged on the bank side, lantern rings are arranged at two ends of a horizontal shaft, and the lantern rings are sleeved and fixed on the positioning piles; one end of the lifting traffic bridge is provided with a horizontal shaft collar which is sleeved with a horizontal shaft to form a hinged support.
Based on the technical characteristics: set up the balcony on the top surface of flotation tank, the terrace is arranged the side in the special room of equipment.
Based on the technical characteristics: when still water level, the body bottom surface is 20mm higher than still water level.
The invention has the beneficial effects that:
(1) the stability of the buoyancy tank can be automatically controlled.
The floating box of the new technology of the invention is uniformly provided with the balance supports around, and a circle is formed around the floating box. The floating box can resist wind load and wave impact in any direction, and can resolve uneven vertical load at any position on the top surface of the floating box, so that the floating box is prevented from inclining and influencing personnel operation.
The invention converts the balance support arrangement into over-water overcoming swing, adopts the balance support on the water surface, and can calculate the balance force and automatically control the direction.
The application of the technology of the invention reduces the swing of the buoyancy tank and increases the stability. Firstly, the using effect of the buoyancy tank is ensured, and the accuracy of technical data can be ensured; secondly, the installation, maintenance and other operations of personnel are facilitated; technicians go to operate or carry out data acquisition and the like, so that the safety of workers is guaranteed to the maximum extent.
(2) Saving cost, low carbon and environmental protection.
The buoyancy tank, the equipment special room, the lifting type traffic bridge, the anchoring, the anchor chain and the balance support are simple components, only need to be installed on site, do not need site construction, are low-carbon and environment-friendly, and are beneficial to saving investment.
(3) The balance support structure is simple, no complex parts are machined, the use is convenient, and the manufacturing cost is low.
The device has simple structure and unique thought, and solves the problem of obvious swinging effect of the water facilities. The balance support is adopted, the effect of four-two shifting jacks is achieved, manual control and any power are not needed, and automatic adjustment and automatic balance are achieved.
(4) The components can be standardized.
The floating box, the special equipment room, the balance support and other components can be produced in a standardized way and can be used universally; the production can be carried out in a factory in advance, which is beneficial to ensuring the product quality; construction simple to operate, easy maintenance practices thrift the cost.
Drawings
Fig. 1 is a plan view of the self-balancing floating hydrological monitoring device of the present invention.
Figure 2 is a plan cross-sectional view of the buoyancy tank of the present invention.
Fig. 3 is a side elevation view of the self-balancing floating hydrological monitoring device of the present invention.
FIG. 4 is a schematic view of the load of the present invention under the action of wind and waves.
Fig. 5 is a schematic view of the hinged support of the lifting type traffic bridge.
The reference numbers in the figures denote: the device comprises a buoyancy tank 1, a special equipment room 2, a lifting traffic bridge 3, an anchor chain 4, an anchor 5, a balance support 6, a shackle 7, a terrace 8, an manhole 9, a stiffened plate 10, a door opening 11, an arc-shaped rod 12, a floating body 13, a horizontal load 14 of wind waves, a wind load 15 borne by the buoyancy tank and the special equipment room, universal rollers 16, a shoreline line 17, a water area 18, a shoreside 19, a logging pipe 20, a positioning pile 21, buoyancy 22, a horizontal shaft 23, a lantern ring 24 and a horizontal shaft collar 25.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in figures 1 and 3, the self-balancing floating hydrological monitoring device comprises a buoyancy tank 1, a special equipment room 2, a lifting traffic bridge 3, an anchor chain 4, an anchor 5 and a balance support 6; the special equipment room 2 with the monitoring equipment inside is arranged on the buoyancy tank 1; the lifting type traffic bridge 3 comprises a bridge deck, a hinged support arranged at one end of the bridge deck and a rolling support arranged at the other end of the bridge deck; the lifting traffic bridge 3 is connected with the shore 19 through a hinged support which is arranged above the highest water level of the shore; the lifting traffic bridge 3 is in rolling connection with the top surface of the buoyancy tank 1 through a rolling support, and the rolling support can freely roll back and forth, left and right in the rolling range of the top surface; the rolling range is positioned in front of the equipment special room 2 and close to the shore side; the anchoring 5 is sunk to the water bottom, and the buoyancy tank 1 is connected with the anchoring 5 through an anchor chain 4 and can lift or drift along with the water level; one end of an arc rod 12 of the balance support 6 is fixedly connected with the top outer side wall of the floating box 1, and the other end of the arc rod is fixedly connected with the floating body 13; the balance supports 6 are uniformly and symmetrically arranged on the four sides of the buoyancy tank 1; a plurality of well measuring pipes 20 are hung on the outer wall of the buoyancy tank 1.
In the above technical solution, each component is elaborated as follows:
(1) floating box
The buoyancy tank 1 is a hollow body with sealed periphery and can be generally made of steel; the buoyancy tank 1 provides buoyancy for monitoring equipment, personnel operation, resisting storms and the like. Two shackles 7 can be arranged on the bottom surfaces of two ends of the buoyancy tank 1 and anchored and fixed on the water bottom through two anchor chains 4 so as to limit the floating range of the buoyancy tank; the anchor 5 is sunk to the water bottom, and the anchor chain 4 is connected with the anchor 5 and a shackle 7 at the bottom of the buoyancy tank 1, so that the buoyancy tank 1 can lift or drift along with the water level; the length of the anchor chain 4 is required to meet the requirement that the buoyancy tank 1 can be pulled by the highest water level, so that the buoyancy tank 1 is ensured to lift along with the water level. Therefore, the work of measurement, sampling and the like can be conveniently finished in the special equipment room 2 above the buoyancy tank 1 at different water levels. The number and position of the shackles shown in fig. 1 and 3 are only an illustration, and the number and arrangement of the shackles can be determined according to the actual situation of engineering.
The plane size of the buoyancy tank 1 comprises the bottom area of the special equipment room and the rolling range of the rolling support of the lifting type traffic bridge 3. The special room 2 for equipment is installed on the top surface of the floating box 1, and the top surface of the floating box 1 close to one side of the shore 19 is used as the running field range of the roller support of the lifting traffic bridge 3. Preferably, on the buoyancy tank 1, a terrace 8 can be left at the side of the equipment-dedicated room 2 for operators to use.
The top surface of the buoyancy tank 1 is preferably provided with a manhole 9; as shown in fig. 1, a manhole 9 is arranged at the corner of the special equipment room 2, a steel ladder is arranged in the buoyancy tank to the bottom of the tank at the manhole opening; the plane size of the buoyancy tank 1 can be determined by the rolling range of the roller supports of the equipment-dedicated room 2, the terrace 8 and the lifting traffic bridge 3, the height of the buoyancy tank is calculated and determined according to the required buoyancy, and it must be pointed out that the buoyancy of the balance support 6 is used for resisting stormy waves or unbalanced load of the top surface, therefore, the buoyancy required by the buoyancy tank should not be counted. The height of the buoyancy tank 1 is calculated and determined according to the height requirement of the top of the tank after bearing load, and the top surface of the buoyancy tank 1 is generally higher than the hydrostatic level by 200 mm. The buoyancy tank 1 should meet the requirements of rigidity and strength, and when the buoyancy tank needs to be reinforced, as shown in fig. 2, a plurality of reinforcing plates 10 can be arranged in the sealed empty tank, and door openings 11 are arranged on the wall plates and communicated with each other. The arrangement of criss-cross gussets 10 as shown in fig. 2 is merely illustrative.
Although the floating box is fixed at the bottom by the anchoring anchor chain, under windy and wavy scenes or when people step on the platform, load imbalance can occur naturally, the water level can fluctuate up and down violently, the floating box and the special equipment room swing irregularly, and the floating box is difficult to play a normal role. Therefore, the four sides of the buoyancy tank adopt the balance supports 6 to resist wind waves or unbalance of top surface load of the buoyancy tank, so that self balance along with water level at any time is realized, and meanwhile, the stability of the special equipment room is ensured.
When 1 erection equipment special room of flotation tank 2 with support over-and-under type traffic bridge 3, whole needs roughly balanced, at this moment, can set up the precast concrete balancing weight in the flotation tank 1, arrange on the bottom plate in the flotation tank, every needs to have and is no less than three tie point stable connection in flotation tank bottom plate.
(2) Special house for equipment
The special equipment room 2 uses the buoyancy tank 1 as a bearing body, and the stability of the special equipment room 2 is provided by the buoyancy tank 1, namely the stability of the buoyancy tank 1 can be ensured.
The special equipment room 2 can be a single-layer building, is similar to a common light house and is formed by splicing wall plates, roof plates and doors and windows; the wall plate and the roof plate can be made of light plates, the wall plate is arranged on the top surface of the buoyancy tank and can be connected with the top surface of the buoyancy tank by adopting a U-shaped groove, the bottom of the buoyancy tank is provided with a rubber sheet for preventing water, the wall plate is arranged in the U-shaped groove, and the bottom end of the wall plate is connected with the U-shaped groove; the arrangement of doors, windows, roofs and the like is designed according to the conventional house building; the building area is determined according to the needs, generally according to the arrangement requirements of hydrological observation facilities, the area occupied by the automatic water quality monitoring instrument and the auxiliary facilities is reserved, a certain distance is reserved between the equipment instruments, and the requirements of observation, overhaul and passage of workers are met.
The special room for the equipment needs to meet the requirements of monitoring water level, flow, water quality, rainfall and the like, and instrument equipment such as a data acquisition instrument, a solid-state memory and the like is generally arranged in the special room for the equipment. A plurality of well measuring pipes 20 are hung on the outer wall of the buoyancy tank 1. The logging pipe 20 may be a PVC pipe, and if the outer wall of the equipment-specific room is flush with the side of the buoyancy tank, the logging pipe 20 may be installed on the window wall of the outer wall or outside the buoyancy tank at the terrace for manual monitoring. The length of the water entering from the bottom of the tube is 0.5m to 1.0 m. The well measuring pipe 20 moves up and down along with the buoyancy tank, the depth of water entering is always kept unchanged, and monitoring is guaranteed.
The special room for the equipment is provided with monitoring equipment according to the monitoring content. The hydrologic monitoring comprises 6 items of water level, precipitation, evaporation, wave, wind speed, wind direction and the like; the water quality monitoring comprises 12 items of water temperature, pH value, conductivity, ORP, turbidity, dissolved oxygen, chlorophyll a, blue-green algae, ammonia nitrogen, permanganate index, total phosphorus, total nitrogen and the like; and a corresponding video monitoring system can be built, and the conditions of the monitored water area and all the conditions of the device can be checked in real time. Various indexes of hydrology and water quality in the monitored water area can be continuously and dynamically monitored along with the rise and fall of the water level, and a scientific basis is provided for promoting the comprehensive regulation and ecological restoration of the water area environment and protecting water resources.
(3) Lifting type traffic bridge
The lifting traffic bridge 3 is a connection traffic of a shoreside 19 and a floating box in a water area 18 and consists of a bridge deck, a hinged support and a rolling support. Between the shoreline 19 and the body of water 18 is shown in fig. 1 as shoreline 17.
The bridge deck is similar to a common pedestrian bridge, the width is determined according to the requirement and is generally 1.0m to 1.5m, and railings are arranged on two sides of the top surface of the bridge; the bridge deck can be made of steel, wood, plastic and other materials.
As shown in fig. 3 and 5, the hinged support is arranged above the highest water level of the shore 19 and can be composed of a horizontal shaft 23 and two positioning piles 21, lantern rings 24 are arranged at two ends of the horizontal shaft 23, and the lantern rings 24 are fixedly sleeved on the positioning piles 23; one end of the lifting traffic bridge 3 is provided with a horizontal shaft collar 25 which is sleeved with the horizontal shaft 23 to form a hinged support. The spud 21 is driven into the ground at a distance of not less than 1.0 m. The diameters of the horizontal collar 25, horizontal shaft 23, collar 24, spud 21, should be coordinated.
The rolling support is arranged at the other end of the lifting type traffic bridge 3, two universal rollers 16 are arranged on the bottom surface of the bridge deck, the universal rollers 16 at the end are placed on the top surface of the buoyancy tank and can freely roll back and forth and left and right in a rolling range, and the rolling range is as the filling range of the oblique squares shown in figure 1; essentially the buoyancy tanks move under the rollers, thereby driving the rollers to roll. Therefore, one end of the lifting type traffic bridge is hinged, the other end of the lifting type traffic bridge can roll freely, and the traffic between land and the floating type hydrological monitoring device is always kept when the water level rises or the buoyancy tank drifts. The articulated supports and roller supports are shown here by way of example only and other well-established configurations of the prior art may be used to form the articulated supports and roller supports.
(4) Anchoring and anchor chain
The anchoring and anchor chains are conventional positioning members. The two ends of the buoyancy tank and the bottom surface parallel to the shoreside direction can be respectively provided with 1 anchor chain 4 and anchor 5 at the water bottom to limit the floating range of the buoyancy tank. The anchor 5 is a precast concrete block and sinks to the water bottom, and the anchor chain 4 is connected with the anchor 5 and a shackle 7 at the bottom of the buoyancy tank, so that the buoyancy tank 1 can lift or drift along with the water level; the length of the anchor chain 4 is such that the highest water level can drag the buoyancy tank 1. Obviously, the floating range of the buoyancy tank is different along with the difference of the water level; for example, at the lowest water level, the distance floating off the shore is greatest. Therefore, the length of the anchor chain 4, the length of the lifting type traffic bridge 3, the rolling range of the top surface of the buoyancy tank 1 and the like need to be coordinated; it is generally preferred to determine the length of the hawse and the rolling range and then calculate the length of the lifting bridge 3 from this.
(5) Balance support
The balance support 6 consists of an arc-shaped rod 12 and a floating body 13, wherein the floating body 13 can be a floating ball or a floating pontoon, and has the function of resisting the wind waves and the overturning bending moment of uneven load on the top surface of the floating box so as to ensure that the hydrological monitoring device does not incline. The balance supports 6 should be uniformly and symmetrically arranged on the four sides of the buoyancy tank 1, so that corresponding balance supports can be provided under the condition of wind waves in any direction or uneven load on the top surface.
The arc-shaped rod 12 can be made of a steel pipe, one end of the arc-shaped rod is fixedly connected with the outer side wall of the top of the floating box 1, and the other end of the arc-shaped rod is fixedly connected with the floating ball or the floating pontoon; the floating ball and the buoy are hollow sealing bodies, and the diameters of the floating ball and the buoy are determined by the required buoyancy. If the floating balls are parallel to the sides of the floating box, the floating balls are preferably connected by a round hollow rod piece so as to increase the integrity of the balance support.
The cantilever length of the arc rod 12 is in direct proportion to the overturning resisting bending moment, and the buoyancy of the floating body 13 is also in direct proportion to the overturning resisting bending moment, so that the length of the arc rod and the size of the floating body are selected properly and economically according to the storm size of the water area. The distance of the floating body from the still water level is related to the allowable inclination of the buoyancy tank; for the buoyancy tank of the special room for bearing the single room equipment, the bottom surface of the floating body 13 is higher than the hydrostatic level by 20mm in a non-working state, namely the hydrostatic level.
The curved rod 12 is preferably a circular arc member, and the buoyancy generated by the float ball or buoy is axially transferred to the circular arc rod and then axially transferred to the buoyancy tank. The strength and rigidity of the arc-shaped rod can meet the structural requirements and can be made of appropriate steel pipes.
The device has the advantages that the self-balancing floating hydrological monitoring device can lift along with the water level and is self-balancing; the device can be used after being installed on site, does not need site construction, and can be suitable for various water areas needing to build hydrological monitoring kiosks. The buoyancy of water is completely utilized along with the lifting of the water level, and an anchoring anchor chain is arranged at the bottom of the buoyancy tank. Self-balancing is based on the principle of buoyancy, and the force is transmitted to resist the overturning moment by buoyancy. The floating body component is adopted for supporting, the buoyancy of water is fully utilized, the larger the floating box inclines, the larger the buoyancy generated by the floating body is, and the larger the force for resisting the inclination is. The balance support can increase buoyancy, adjust balance and reduce the shaking of the buoyancy tank.
(1) State of still water
When the wind is calm or the wind is small, the buoyancy tank is stable, and the balance support is in a non-working state, namely the floating body is hung at the end of the arc-shaped rod and is in a balance state. When the buoyancy tank is statically kept and the buoyancy tank is inclined by wind and waves, the buoyancy tank can be put into maintenance and stable work.
(2) Wave or load imbalance conditions
Under the action of wind waves or when personnel work on the top surface of the buoyancy tank, the buoyancy tank can incline to one side; when the inclination reaches a limit value, the balance support on the inclined side immediately plays a supporting role, the floating body at the end of the arc rod is immersed in water to generate buoyancy, so that the floating box is supported, the larger the inclination is, the larger the floating body is immersed in the water, the larger the generated buoyancy is, and the instant balance between the buoyancy and the stormy waves is easily realized.
(3) Balance calculation
The balance support structure is simple, no complex parts are machined, the use is convenient, and the manufacturing cost is low. The balance calculation is described below by taking a floating ball as an example.
Under still water condition, the balance support at the periphery of the buoyancy tank is suspended around and is in a balance state. Under the action of horizontal load of wind waves or live load of personnel on the top surface, the buoyancy tank can generate eccentric load action and then incline to one side. When the inclination angle (the inclination angle of a special equipment room is generally suitable) is larger than the design requirement, the floating ball is immersed in water to generate buoyancy, and the buoyancy is transmitted to the buoyancy tank through the arc-shaped rod to form overturning moment generated by resisting wind waves, so that the balance supporting function is exerted, and the stability of the buoyancy tank is kept. The balance support extending out of the buoyancy tank reduces overturning of the buoyancy tank, so that the buoyancy tank can stably float on the water surface to work.
The buoyancy tank with the balance support has to meet the static balance condition under the action of an external load:
in the formula: Σ F — the sum of the vertical external loads acting on the buoyancy tank;
sigma M is the sum of the moments of the external load on any point of the buoyancy tank.
With the balance support, the stability of the buoyancy tank (which also ensures the stability of the special equipment room) needs to be calculated under the action of wind wave load or top surface personnel load, and the overall stability calculation diagram of the device under the action of wind waves is shown in fig. 4.
The stability calculation can be calculated according to the following formula according to the particularity of the buoyancy tank
In the formula: sigma MqThe sum of the overturning moments of the load on any point of the buoyancy tank (such as the horizontal load 14 of wind waves, the wind load 15 borne by the buoyancy tank and a special equipment room, the live load of the top surface of the buoyancy tank and the like);
∑Mkthe sum of the anti-overturning moments of the load on any point of the buoyancy tank (e.g. the buoyancy force 22 generated by the float or pontoon).
The overturning moment and the anti-overturning moment are calculated according to the figure 4, and the safety coefficient K is larger than 1.0.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, a specific implementation method of the invention is further described below.
1) According to the design size, the components such as a buoyancy tank, a special equipment room, a lifting traffic bridge, an anchor chain, a balance support and the like are manufactured in a factory; a manhole is reserved on the top surface of the buoyancy tank, and a wallboard fixing groove is welded according to the plane of the special equipment room; and all iron parts are subjected to rust removal, paint spraying and other anticorrosive treatments.
2) Assembling the anchoring chain and the anchor chain; the arc-shaped rods and the floating body are assembled into a balance support; one end of a bridge deck of the lifting type traffic bridge is provided with a universal roller, and the other end of the bridge deck is provided with a lantern ring which is sleeved with a horizontal shaft.
3) And (3) transporting components such as wall plates, roof plates, doors and windows and the like for the buoyancy tanks and the special rooms for equipment, anchoring, anchor chains, balance supports and the like to a water area site, and then completing the assembly of the overall device on the shore according to the steps of 4) to 8).
4) And assembling the wall plate, the roof plate, the door and the window and the like for the special equipment room on the top surface of the buoyancy tank according to the building installation requirements.
5) One end of the anchor chain is connected with the shackle at the bottom of the buoyancy tank, and one end of the arc-shaped rod of the balance support is fixedly connected with the buoyancy tank.
6) The whole buoyancy tank comprising the equipment-dedicated room, the balance support and the anchoring anchor chain is placed in the water area to be monitored.
7) A positioning pile is driven into a designed position on the bank, lantern rings are arranged at two ends of the horizontal shaft, and the lantern rings are sleeved and fixed on the positioning pile to ensure that the horizontal shaft cannot move up and down along the positioning pile; a horizontal shaft of the lifting traffic bridge is sleeved with a horizontal shaft.
8) Placing a universal roller at the other end of the lifting traffic bridge on the top surface of the buoyancy tank, and then installing equipment for water level observation, water quality monitoring and the like; the method comprises the steps of installing a logging pipe outside a buoyancy tank, and enabling the bottom of the logging pipe to be submerged 0.5-1.0 m.
9) After the whole installation is finished, if the stress of the buoyancy tank is seriously unbalanced, the buoyancy tank can be adjusted by adopting a balance weight. So far, the whole device is finished, and the device can be put into operation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a floating hydrology monitoring devices of self-balancing which characterized in that: comprises a buoyancy tank (1), a special equipment room (2), a lifting traffic bridge (3), an anchor chain (4), an anchor (5) and a balance support (6); the special equipment room (2) is arranged on the buoyancy tank (1); the lifting type traffic bridge (3) comprises a bridge deck, a hinged support and a rolling support, wherein the hinged support is positioned at one end of the bridge deck, and the rolling support is positioned at the other end of the bridge deck; the lifting traffic bridge (3) is hinged with the shore through the hinged support, and the hinged support is arranged above the highest water level of the shore; the lifting traffic bridge (3) is in rolling connection with the top surface of the buoyancy tank (1) through the rolling support; the rolling range is positioned in front of the special equipment room (2) and close to the side of the shore; the anchor (5) is submerged, and the buoyancy tank (1) is connected with the anchor (5) through the anchor chain (4); one end of an arc-shaped rod (12) of the balance support (6) is fixedly connected with the top outer side wall of the floating box (1), and the other end of the arc-shaped rod is fixedly connected with the floating body (13); the balance supports (6) are uniformly and symmetrically arranged on four sides of the buoyancy tank (1); a plurality of well measuring pipes (20) are hung on the outer wall of the buoyancy tank (1).
2. The self-balancing floating hydrological monitoring device of claim 1, wherein: the buoyancy tank (1) is a hollow body with a sealed periphery, a plurality of reinforcing plates (10) are arranged in the hollow body, and door openings (11) are arranged on the reinforcing plates (10) and communicated with each other; the top of the buoyancy tank (1) is provided with an inlet manhole (9) which enters the buoyancy tank (1).
3. A self-balancing floating hydrological monitoring device according to claim 1 or 2, wherein: when still water level, the top surface of flotation tank (1) is higher than still water level 200 mm.
4. The self-balancing floating hydrological monitoring device of claim 1, wherein: the length of the water entering from the bottom of the well measuring pipe (20) is 0.5m to 1.0 m.
5. The self-balancing floating hydrological monitoring device of claim 1, wherein: the rolling support is a universal roller (16) arranged on the bottom surface of the end part of the bridge deck, and the universal roller (16) is placed on the top surface of the buoyancy tank (1).
6. The self-balancing floating hydrological monitoring device of claim 1, wherein: two positioning piles (21) are respectively arranged on the shoreside, lantern rings (24) are arranged at two ends of a horizontal shaft (23), and the lantern rings (24) are fixedly sleeved on the positioning piles (21); one end of the lifting traffic bridge (3) is provided with a horizontal shaft collar (25) which is sleeved with the horizontal shaft (23) to form the hinged support.
7. The self-balancing floating hydrological monitoring device of claim 1, wherein: the floating box (1) is provided with a terrace (8) on the top surface, and the terrace (8) is arranged on the side of the special equipment room (2).
8. The self-balancing floating hydrological monitoring device of claim 1, wherein: when the water level is still, the bottom surface of the floating body (13) is 20mm higher than the still water level.
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| CN202010861244.4A CN111907642A (en) | 2020-08-25 | 2020-08-25 | Self-balancing floating hydrological monitoring device |
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| CN202010861244.4A CN111907642A (en) | 2020-08-25 | 2020-08-25 | Self-balancing floating hydrological monitoring device |
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