41results about How to "Increase buoyancy" patented technology

This application relates to the field of anti-buoyancy technology in building engineering, and particularly to an anti-buoyancy anchor construction process and an anti-buoyancy anchor, comprising: S1: preliminary preparation; S2: rod assembly; S3: hole drilling and enlarging, drilling a deep hole at a preset position, and after drilling to the target depth, performing end enlarging construction within the enlarged hole depth range to form an anchoring grouting zone; S4: anchor lowering, lowering the finished anchor to the target depth in the hole, at which time the enlarged bladder extends into the sediment at the bottom of the hole; S5: grouting operation, injecting grout into the enlarged bladder through a grouting pipe to expand the enlarged bladder and push the sediment at the bottom of the hole outward until the enlarged bladder is filled with grout, completing the grouting construction in one step, and completing the grouting construction of the gap between the anchor rod and the inner wall of the hole; S6: prestressing locking; S7: casting to obtain the anchor anti-buoyancy system; This application has the effect of reducing the possibility that sediment at the bottom of the hole will combine with the concrete mortar during the grouting process and affect the anchoring effect of the anti-buoyancy anchor.

This utility model provides a multifunctional floating platform for fire and water rescue, belonging to the field of emergency rescue equipment technology. It addresses the problem that existing methods require breaking ice while approaching trapped personnel, which is cumbersome and affects rescue efficiency. The platform includes a main body, a rescue anti-slip mat, an anti-capsulation hull, a multifunctional rescue mechanism, and a rescue conversion mechanism. The rescue anti-slip mat is fixedly connected to the top of the main body. The marking drive box is fixedly connected to the upper rear end of the rescue anti-slip mat. The anti-capsulation hulls are fixedly connected to the lower left and right sides of the main body. Rescue limiting blocks are fixedly connected to the lower part of the anti-capsulation hull. The multifunctional rescue mechanism is located on the outside of the main body. The rescue conversion mechanism is located below the anti-capsulation hull, allowing for rapid assembly and eliminating the need to break ice while approaching or to navigate the ice surface before inflating the platform, thus simplifying the pre-rescue preparation process.

The invention discloses an antimony-gold concentrate flotation antimony removal process, belongs to the technical field of ore flotation, and aims to solve the technical problem that the gold enrichment performance and antimony removal performance of antimony-gold concentrate flotation need to be further improved in the prior art. According to the method, a step-by-step interface regulation and control system composed of an arsenic directional collecting agent, an antimony selective collecting agent and a lead chelating dispersing agent is constructed, and interface substrate reforming, target phase interface recognition strengthening and terminal interface convergence are sequentially achieved in ore pulp, so that a flotation layering environment with gradient selectivity is formed; according to the technical scheme, the interface stability of associated impurities such as arsenic, antimony and lead can be weakened step by step while interface activation of gold particles is kept, and efficient purification of refractory gold concentrate is achieved.

The application relates to a water-depth-adaptive suspension ballast type floating offshore wind power foundation and a use method thereof, and belongs to the technical field of floating offshore wind power generation. The wind power foundation comprises a three-column semi-submersible foundation, a mooring system and a control system. The three-column semi-submersible foundation comprises three vertical columns, a support rod and a ballast caisson. The ballast caisson is connected with a sliding rail arranged on the side wall of the vertical column through a sliding rope, the ballast caisson is moved up and down relative to the vertical column, the position of the ballast caisson is adjusted through the control system, the position of the gravity center of the foundation and the draft are adjusted, different environmental conditions are adapted, and the stability and the overturning resistance are ensured. The use method comprises monitoring environmental conditions, calculating an overturning torque, calculating an overturning resistance torque, adjusting the depth of the ballast caisson and data recording and analysis. The depth required by the ballast caisson to be moved is deduced through the calculation of the overturning torque, so that the gravity center and the floating center of the foundation are kept at a proper position, and the risk of overturning of the foundation is reduced.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

This utility model relates to the field of aerator support technology and discloses a pool aerator support with a telescopic structure, including a telescopic column, a buoyancy-driven telescopic component on the surface of the telescopic column, and a wind-resistant stabilizing component near the bottom of the surface of the telescopic column. The buoyancy-driven telescopic component includes a vertical sleeve, which is fixedly connected to the surface of the telescopic column near the top. This pool aerator support with a telescopic structure, by incorporating a buoyancy-driven telescopic component and a hollow cylindrical buoyancy chamber filled with a small amount of air to enhance buoyancy, allows it to float upwards under buoyancy, pushing the telescopic rod to slide upwards along the vertical sleeve. When the sleeve slides, the aerator inside slides along with it to avoid being submerged. When a lowering height is needed, a corresponding number of extension counterweights can be installed to increase gravity, causing the telescopic rod to slide down and the aerator to automatically lower to a suitable height, maintaining optimal aeration efficiency.

This invention provides a type of glass and its preparation method, belonging to the field of glass technology. The glass batch comprises the following raw materials in parts by weight: 679-713 parts silica sand, 4-40 parts feldspar, 39-59 parts wollastonite, 129-154 parts dolomite, 42-55 parts limestone, 224-231 parts soda ash, 8-10 parts sodium sulfate, and 0.3-0.4 parts carbon powder. This invention can reduce CO2 emissions from float glass production, decrease bubble defects, and improve the quality of the finished glass.

The utility model relates to environmental detection instrument technical field especially relates to a kind of setting rack for environmental detection device. Including installation frame, four installation sleeves are set in the circumferential interval on installation frame, one first floating block is set between adjacent two installation sleeves, one extension rod is slidably arranged on installation sleeve, the end of extension rod is provided with connecting plate, second floating block is set on connecting plate. By setting telescopic adjusting extension rod and clamping fixed clamping plate structure, operator can flexibly adjust the position of second floating block according to water terrain, realize the expansion or shrinkage of the overall floating area of setting rack, to effectively adapt to complex water body environment such as narrow river, steep gully etc.;At the same time, the multi-point distributed buoyancy structure composed of first floating block and adjustable second floating block can enhance the overall buoyancy, greatly improve the stability of the device running on water surface, effectively prevent the risk of overturning caused by water flow impact.

This utility model discloses a subsea pipeline fixing structure, including a base mechanism. The base mechanism includes a fixed base, a plug rod, a receiving groove, an air cushion, an inflation nozzle, an installation groove, a limiting groove, a first threaded groove, a counterweight, and a limiting block. A top cover mechanism is provided on the top of the base mechanism. The top cover mechanism includes a stabilizing cover, a second threaded groove, titanium alloy bolts, and double nuts. In this subsea pipeline fixing structure, the counterweight is placed into the installation groove through the limiting groove and the fixed base, thereby increasing the weight of the fixed base. The titanium alloy bolt is placed into the second threaded groove and the first threaded groove, and then the double nuts are installed above the titanium alloy bolt, thus stabilizing the stabilizing cover and the fixed base, thereby fixing the pipeline. The combined use of the plug rod and the counterweight increases the stability of the fixed base after installation, while the fixed base and the stabilizing cover ensure the effective fixing of the subsea pipeline.

The utility model discloses a spliced plastic floating platform flat ship, and mainly relates to the technical field of water carriers. Comprising a plurality of cuboid plastic floating boxes, each plastic floating box is provided with a water inlet / outlet and a sealing plug used for sealing the water inlet / outlet, and the buoyancy of the plastic floating boxes in water can be adjusted by injecting water into the plastic floating boxes; connecting plates are arranged at the four corners of the outer side walls of the plastic buoyancy tanks, mounting holes for mounting connecting bolts are formed in the connecting plates, the adjacent plastic buoyancy tanks are connected into a whole through the connecting bolts, and the upper surfaces of the spliced plastic buoyancy tanks are located on the same plane; the ship is convenient to disassemble and assemble and convenient to carry on a vehicle, corresponding areas can be spliced according to needs, water can be added according to needs to increase counter weights, loads of all parts of the ship body can be balanced, and the draft depth can be adjusted.

The present application belongs to the technical field of artificial floating island, and particularly relates to an artificial floating island for common tern nesting; the artificial floating island for common tern nesting comprises a foam board, a bamboo pole is fixedly connected to the bottom of the foam board, and a circular groove is formed in the bamboo pole and located at the corner of the foam board; the artificial floating island for common tern nesting further comprises a buoyancy control unit; the present application is characterized in that a plurality of buoyancy control units are uniformly arranged around the foam board, each buoyancy control unit is provided with a No. 1 air bag, the buoyancy of the foam board is changed by changing whether the No. 1 air bag is inflated or not, so as to change the draft of the floating island and adjust the inclination of the floating island, and the risk of sinking and tilting of the floating island is reduced.

The utility model relates to the technical field of floating disc structures, in particular to a full-liquid-receiving steel single-disc inner floating disc which comprises an inner floating disc body, an outer reinforcing ring, an inner reinforcing ring and an inner floating basin, an inner preformed hole is formed in the position of an inner shaft core of the inner floating disc body, and the inner floating basin is arranged in the inner preformed hole in a sleeved mode. An inner reinforcing ring is welded to the top of the inner floating disc body and located on the outer side of the inner floating basin, an outer reinforcing ring is welded to the periphery of the inner reinforcing ring, and reinforcing plates are welded between the inner reinforcing ring and the outer reinforcing ring at equal intervals. Mounting holes are formed in the positions, located on the periphery of the outer reinforcing ring, of the inner floating disc body at equal intervals, hollow cylinders are fixedly arranged in the mounting holes in a sleeved mode, and a sealing ring is arranged on the edge of the outer side of the inner floating disc body in a bonded and sleeved mode. According to the steel single-disc inner floating disc, the buoyancy of the steel single-disc inner floating disc is effectively increased, the steel single-disc inner floating disc can stably float on the liquid level in an oil tank for a long time in a full-liquid-receiving mode, the sealing performance of the inner floating disc body and the inner wall of the oil tank is improved, and the situation that gaps are reserved, and the using effect is affected is avoided.

The application discloses a sinking well type shaft tunneling machine, which comprises a sinking well, a supporting device arranged in the sinking well and used for placing a tunneling machine body, a rotating assembly arranged at the bottom of the supporting device and used for driving the tunneling machine to move circumferentially, a hydraulic device arranged at the bottom of the rotating assembly and used for driving the tunneling machine to move linearly, a compensation device arranged on the hydraulic device and used for sharing reaction force, a digging device arranged at one end of the hydraulic device and used for completing digging of the bottom of the sinking well, and a buoyancy device arranged on the digging device and used for providing buoyancy to the digging device. The compensation rod is continuously extended to push the gas in the gas storage cavity, the gas is input into the expansion cavity through the gas conveying pipe, when the gravity center of the digging drill bit continuously approaches the shaft wall of the sinking well, the air in the expansion cavity continuously increases, the expansion rubber layer continuously expands, the buoyancy provided by the expansion rubber layer gradually increases, and the force provided by the digging drill bit to the hydraulic rod is reduced.

This invention belongs to the field of lepidolite tailings technology, and particularly relates to a process for reducing the silicon content in feldspar based on lepidolite tailings. Specifically, it includes the following steps: pretreatment of lepidolite tailings; preparation of soluble starch cross-linked microspheres; preparation of quartz inhibitors; preparation of dicarboxylic acid anionic polyacrylamide; preparation of feldspar inhibitors; addition of quartz inhibitors under neutral conditions to float feldspar; and addition of feldspar inhibitors under alkaline conditions to float quartz. By adding quartz inhibitors to the slurry under neutral conditions, the soluble starch cross-linked microspheres can hinder the adsorption of anionic collectors on the quartz surface, thereby effectively inhibiting quartz and reducing the silicon content in the floated feldspar. By adding feldspar inhibitors to the slurry under alkaline conditions, pectin and dicarboxylic acid anionic polyacrylamide can hinder the effect of anionic collectors on feldspar, thereby effectively inhibiting feldspar and further reducing the silicon content in the feldspar.

This invention discloses an automatically adjustable height mud pump support, relating to the field of mud pump technology. It includes a support base, a floating assembly, and a suction assembly. The floating assembly is located on the outer bottom of the support base and comprises a floating bucket, a partition layer, a connecting plate, a connecting pipe, and a water valve. The partition layer is connected to the inner middle of the floating bucket. This invention enables the mud pump to extract mud and wastewater. After extraction, the liquid level decreases. Because the equipment floats on the mud surface of the mud tank, it can lower along with the liquid level. During mud preparation and circulation, the equipment rises and falls with the liquid level. This ensures that the suction pipe remains below the mud surface during operation, eliminating the need for frequent height adjustments based on the wastewater level, greatly improving ease of use.

The invention discloses application of a halogenated organic oxidant in iron oxide ore flotation, and belongs to the technical field of mineral flotation. The iron oxide ore flotation specifically comprises the steps that after ferrous minerals are smashed and subjected to size mixing, the oxidizing agent is added for oxidation, then a collecting agent and a foaming agent are added, and concentrate is obtained after flotation. The halogenated organic oxidizing agent can greatly improve the floatability of iron oxide ore, can achieve efficient flotation of the iron oxide ore under mild conditions, and has the outstanding advantages of being good in selectivity, high in recovery rate, small in dosage, environmentally friendly and the like.

This utility model relates to the field of concrete structure technology, specifically to an anti-buoyancy precast concrete cover plate installation structure, comprising: a precast concrete cover plate; cast-in-place main concrete, wherein the cast-in-place main concrete is provided with an installation groove, the installation groove being adapted to the precast concrete cover plate; a bracket, the bracket being disposed at the bottom of the installation groove; a first sealing element, the first sealing element being disposed between the precast concrete cover plate and the bottom and side wall of the installation groove, for sealing the gap between the precast concrete cover plate and the cast-in-place main concrete; and a fixing bolt assembly, the fixing bolt assembly being used to connect the precast concrete cover plate and the cast-in-place main concrete. This utility model can achieve anti-buoyancy, sealing, and rapid installation, ensuring rapid isolation of water flow in the event of sudden leakage, simplifying maintenance and repair operations under normal working conditions, and is low in cost and economical.

The invention belongs to the technical field of underground construction engineering, and particularly relates to an overpass existing subway tunnel protection structure which comprises isolation piles. A plurality of isolation piles are arranged, and the plurality of isolation piles are divided into three groups; the multiple isolation piles are arranged as main supporting components, the overall stability of the structure is enhanced, the isolation piles serve as anti-floating piles of the underground transportation hub structure, the anti-floating capacity of the structure is improved, and due to the arrangement mode of the three sets of isolation piles, when the structure bears loads, force can be more evenly dispersed, local stress concentration is avoided, and the service life of the structure is prolonged. The four inserting holes formed in the fixing frame provide accurate positions for inserting of the inserting plates, it is ensured that the conversion raft plate can be stably hoisted on the fixing frame, the conversion raft plate serves as a bottom plate of the underground transportation hub structure, the upper load is borne, the load is transmitted to the multiple isolation piles through connection with the fixing frame, and therefore the conversion raft plate is prevented from being damaged. And the bearing capacity of the structure is further enhanced.

The invention provides an underwater lifesaving device for fire emergency, and belongs to the technical field of underwater lifesaving. The underwater lifesaving device for fire emergency comprises a lifesaving cabin body, an underwater lifesaving execution mechanism is arranged at the bottom of the lifesaving cabin body, the underwater lifesaving execution mechanism comprises a protective shell and a main gas storage tank, the protective shell is fixedly arranged at the bottom of the lifesaving cabin body through bolts, and a supporting plate is fixedly arranged on the inner wall of the protective shell. By arranging the underwater lifesaving executing mechanism, when the lifesaving cabin body moves to the position near a person falling into water, gas in the main gas storage tank is transferred into the auxiliary gas storage tank, and water is sucked into the main gas storage tank through an electromagnetic water valve, so that the overall weight of the lifesaving cabin body is increased, and the lifesaving cabin body dives conveniently; and after clamping is completed, water in the main gas storage tank is discharged outwards through the electromagnetic water valve, gas in the auxiliary gas storage tank is transferred into the main gas storage tank again, and the overall buoyancy of the rescue capsule body is improved.

This invention discloses a flotation process for high-oxidation-rate copper ore, comprising: staged flotation of copper sulfide and copper oxide to obtain copper sulfide and easily floatable copper oxide concentrates; then flotation desliming to obtain low-grade copper-bearing slime; and stepwise flotation of copper oxide after desliming to obtain copper oxide concentrate. This invention adds a sulfiding agent during the grinding process to activate the copper oxide before flotation, improving its floatability. During the copper sulfide flotation process, both copper sulfide and easily activated copper oxide float, resulting in copper sulfide and easily floatable copper oxide concentrates. High-oxidation-rate copper ore contains easily floatable copper sulfide and easily floatable, moderately floatable, and difficult-to-float copper oxides. This invention, during the flotation process, stages activation and separation of easily floatable, moderately floatable, and difficult-to-float copper oxides, avoiding the inhibitory effect of excessive sodium hydrosulfide on some copper minerals and improving the recovery rate of these copper minerals.

This invention discloses a construction method for a deep foundation pit support structure with groundwater. The structure includes a diaphragm wall installed inside the foundation pit, a concrete bottom slab installed at the bottom of the pit, and compartment walls. Shear grooves are provided in both the diaphragm wall and the compartment walls, and the ends of the concrete bottom slab are connected to the shear grooves. Multiple transverse support beams are installed on the diaphragm wall. Rectangular pre-installed components are embedded within the shear grooves. Each rectangular pre-installed component includes a waterproof layer and compressed soil bricks installed inside the waterproof layer. When the waterproof layer is damaged, the compressed soil bricks expand and diffuse outwards upon contact with water. The method includes constructing the diaphragm wall, constructing the transverse support beams, underwater construction, underwater concrete bottom sealing, structural construction, and backfilling. This structure has good stability and safety, reduces the need for underwater operations, lowers construction costs, enhances the safety of the construction process, shortens the construction cycle, and saves manpower and resources.

This invention relates to the field of beekeeping technology, and more particularly to an external feeding device for beehives. The device includes a beehive with a feeding box connected to its front outer wall. Both the front wall of the beehive and the upper part of the rear wall of the feeding box have inlets and outlets for bees to enter and exit. A liquid storage tank is connected to the left outer wall of the beehive. A temporary storage cylinder located below the liquid storage tank is connected to the lower left side of the feeding box. The feeding box and the temporary storage cylinder are connected by a pipe. Two inverted T-shaped hollow sliding rods are slidably connected to the bottom of the feeding box, and a floating island frame located inside the feeding box is connected between the tops of the two hollow sliding rods. The floating island frame provides a safe feeding and resting place for bees, protecting them from drowning, improving the safety of bee feeding, effectively reducing the risk of bee drowning, and thus reducing economic losses.

The utility model provides a remote sensing geological survey device, relates to geological survey technical field, including unmanned aerial vehicle main part and floating plate, unmanned aerial vehicle main part bottom is fixedly connected with four support pillar, support pillar bottom is fixedly connected with extension plate, extension plate bottom is fixedly connected with mounting pillar, and the mounting pillar bottom is fixedly connected with the floating plate. A mounting plate is fixedly connected to the middle of the mounting column, the side face of the mounting plate is hinged to floating plates, the floating plates are arranged in two layers, and a plurality of floating plates are arranged on each layer and are distributed around the axis of the mounting plate in an annular array mode, and the floating plates are distributed around the axis of the mounting plate in an annular array mode and hinged to the mounting plate. And in cooperation with a transmission rod, a lifting sleeve, a two-way threaded rod and other structures, the floating plate can be folded during flight, air resistance during flight is reduced, flight energy consumption is reduced, the endurance mileage of the unmanned aerial vehicle is prolonged, and flight stability and controllability are improved.

The application discloses an intelligent fire-fighting life jacket and an automatic triggering system for distress, which comprises a life jacket body, a water depth triggering assembly, a buoyancy assembly and a control system. The life jacket body comprises an outer fabric and a buoyancy core material; the water depth triggering assembly is arranged on the life jacket body; the buoyancy assembly is arranged on the life jacket body and comprises a gas cylinder and an air bag, and the gas cylinder and the air bag are connected; the control system is arranged on the life jacket body and comprises a controller and a power module, and the controller is electrically connected with the water depth triggering assembly and the buoyancy assembly. The outer fabric made of light and thin material and the buoyancy core material are adopted for the life jacket body, so that the basic buoyancy is provided and the overall thickness and volume are reduced. The buoyancy assembly adopts the mode that the high-pressure gas cylinder releases gas to the folded air bag to realize inflation, maintains a low profile in a normal state to facilitate operation activities, and can quickly generate additional buoyancy to resist sinking when in distress.

The utility model relates to the technical field of ocean culture equipment, and disclose a kind of deep-sea culture sinking and floating platform with polyethylene pipe buoyancy adjusting structure, including floating plate, the top of the floating plate is provided with mounting groove, the inboard of the mounting groove is provided with float pipe one and float pipe two, float pipe one and float pipe two between being provided with communication pipe one and communication pipe two, the one end of communication pipe one away from floating plate is fixedly installed with drain valve.The deep-sea culture sinking and floating platform with polyethylene pipe buoyancy adjusting structure, by setting drain valve and water inlet valve are all one-way valve, it is convenient to accurately control the flow direction of water flow, when drain valve opens, water can only pass drain valve from float pipe one and float pipe two and discharge outward, when water inlet valve opens, seawater can only pass water inlet valve and enter float pipe one and float pipe two, prevent seawater backflow to outside, to realize the buoyancy adjustment of culture sinking and floating platform, can respond to sudden weather change and quickly sink to avoid danger or the demand of fast floating when culture operation.

The utility model discloses a kind of for riverbank forest litter collecting device, including frame, the upper portion of the frame is provided with adjusting device, the outside fixed connection of the frame has connecting ring, the middle part fixed connection of the connecting ring has float ring, the lower portion of the frame four corners is provided with fixing device, the lower portion of the fixing device is provided with locating peg, the inside of the adjusting device includes the first hook of fixing to nylon net, the inside of the adjusting device also includes the second hook of fixing to nylon net, the inside of the adjusting device also includes the baffle of fixing to nylon net, the inside of the fixing device includes the rope body of frame and is dragged positioning. By the above structure, litter can be prevented from being flooded by water, the displacement of the collecting device can be prevented from being far, and the time for the detector to find the device can be reduced. The size of the collecting device can be adjusted according to the use scene, and the actual use can be better met.

The utility model relates to a kind of switcher structure of toilet water tank, including valve body, the valve body has water distribution cavity and the water inlet end, first water outlet end and second water outlet end being communicated with water distribution cavity, the movable stopper is equipped in the water distribution cavity, the valve body is also rotationally connected with switching lifting rod, the switching lifting rod is connected with stopper and can drive stopper to block first water outlet end or second water outlet end, the free end of switching lifting rod is arranged with buoy and counterweight in horizontal direction. By arranging buoy and counterweight in horizontal direction on the free end of switching lifting rod, the height space of both is avoided to occupy mutually, the weight of counterweight can be increased or deeper water storage structure is designed to improve initial depression force and operating stability, while, the size of buoy can also be increased to obtain greater buoyancy, improve the response sensitivity and control accuracy to water level change, so as to improve the stability and working performance of switcher.

The application discloses a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the field of engineering surveying and mapping.The surveying and mapping instrument positioning device comprises a surveying and mapping instrument main body, a surveying and mapping adjusting mechanism is fixedly connected to the upper side of the surveying and mapping instrument main body, a telescopic tripod mechanism is fixedly connected to the lower side of the surveying and mapping adjusting mechanism, and an expanded support mechanism is rotatably connected to the lower side of the telescopic tripod mechanism.The expanded support mechanism is used for expanding the support range when the device encounters a sludge ground, the third gears are rotated to drive the lower floating support assembly to make a fan-shaped movement, the air cushion ring moves downwards, the inside of the air cushion ring is filled with gas, the air cushion ring is supported on the sludge surface, the support area is increased, the stress is more stable, compared with a traditional tripod with a sharp tip at the bottom, the gravity component of the expanded support mechanism remains unchanged, the contact area with the sludge is increased, the floating support assembly is expanded fan-shapedly outward, the gravity center of the overall expanded support mechanism is lowered, and the stability of standing on the sludge is improved.

The utility model relates to water body purification technical field discloses a kind of ecological floating bed for water body purification, comprising: floating plate, bottom surface is equipped with several floating ball, upper surface is equipped with several large planting groove and small planting groove, the bottom surface of large planting groove and small planting groove is equipped with several through groove extending to the bottom surface of floating plate, the upper wall of floating plate is close to the edge of two opposite sides and is equipped with several hanging holes;Float box, it can be hung and connected in the hanging hole of the both sides of floating plate, one side is fixedly connected and is equipped with hanging rod, the other end of hanging rod is downward bending shape and is compatible with hanging hole, the bottom surface of float box is equipped with several through groove;Planting net bag, it can be placed in large planting groove, small planting groove and float box, and tightening rope is equipped at opening part.The utility model has the advantages of: increase buoyancy structure, so that the floating effect is better, not easy to sink, it is convenient to match with small floating bed at will, simple and convenient.

The utility model discloses a water conservancy monitoring equipment for water conservancy engineering relates to water conservancy engineering technical field, including monitoring box, the monitoring box bottom fixedly connected with the buoy, the buoy inside fixedly connected with the baffle, the baffle divides the buoy and is distributed with the high pressure gas cavity and the counterweight chamber of high and low, the baffle top fixedly connected with the multisection electric push rod, multisection electric push rod piston rod end fixedly connected with the push board, through installing the buoy on the monitoring box bottom, when needing equipment to sink to the water bottom, just can be in the water suction into the counterweight chamber when lowering equipment buoyancy also increase counterweight, make it can sink to the water bottom quickly, when needing to float the salvage equipment, just need to discharge the water in the counterweight chamber, and the high pressure air in the high pressure gas cavity is introduced into the counterweight chamber inside and annular airbag inside can make the equipment whole buoyancy increase quickly, and then make the equipment can float quickly and be convenient for salvage, overall use is very convenient.