123results about How to "No electricity required" patented technology

The invention discloses a semi-automatic mounting pump tooling platform, which can effectively solve the problems of low production efficiency, high labor intensity of workers, and inaccurate positioning existing in the special tooling platform without a pump body. The semi-automatic mounting pump tooling platform comprises a base and a moving seat and a fixing seat arranged at both ends of the base, wherein the moving seat is provided with an ejector pin pressing against the pump body; and the fixing seat is provided with a clamp fixing the pump body. Because the pump body only needs to be fixed between the ejector pin and the clamp, the platform has the advantages of easy operation, high precision, high speed, free rotary angle, small positioning deviation, convenient adjustment due to manual operation, unnecessary electricity, energy conservation and environmental protection.

A light-heat-steam conversion material and a preparation method thereof, and the preparation method comprises the following steps: selecting a water-absorbing material, to be more specific, selectinga porous, highly water-absorbent and light-weight substrate material, cleaning the substrate material for standby use; preparing carbon black of a carbon black light-heat conversion coating, to be more specific, burning a high carbon organic matter, horizontally placing a refractory material above the high carbon organic matter to collect carbon black particles generated by the burning, and cooling the refractory material after collection of the carbon black particles; transferring the carbon black particles, to be more specific, wiping the surface with a carbon black coating of the refractorymaterial to transfer the carbon black particles to the surface of the water absorbing material until the surface of the water absorbing material is completely covered by the carbon black particles. Asimple desalination system of seawater or other wastewater prepared by the light-heat-steam conversion material is simple in operation, the material is cheap and easy to take, no electric energy is consumed, and the simple desalination system has good stability, and is suitable for large-area low-cost preparation.

The invention discloses a solar membrane distillation seawater desalination plant for a sea island. The solar membrane distillation seawater desalination plant comprises a membrane module, a filter, a raw water pump, a solar heater, a solar thermoelectric system, a desalted water tank and pipelines used for connection of the above mentioned parts. The raw water pump is connected with an inlet of the filter; an outlet of the filter is connected with a cold seawater inlet of the membrane module; a cold seawater outlet of the membrane module is connected with a water inlet of the solar heater; an outlet of the solar heater is connected with a hot seawater inlet of the membrane module; and a water producing outlet at the bottom of the membrane module is connected with the desalted water tank. The solar membrane distillation seawater desalination plant for a sea island provided by the invention has the advantages of a high heat recovery rate, simple equipment, no need for electric power, low operation cost, etc.

The invention relates to an intermittent solar energy adsorption refrigeration air water intake device, which can provides a air water intake device with simple structure, stable operation, and lower cost without any electricity and manpower operation. Wherein, the adsorption bed and surface heat exchanger are connected via pipeline, while a pressure adjuster is arranged between them; the lower end of surface heat exchanger has a water collector; said invention uses the surface heat exchanger with swings to replace the condenser and evaporator. It has simple structure, lower cost and the indirect contact between material and air, to avoid the jam of adsorption material caused by fine particles.

An illuminative ball device includes a housing having a chamber formed in the housing for forming a resilient structure, the housing includes a number of illuminative powders engaged into the housing for generating a light out of the housing. The illuminative powders are engaged into an outer peripheral portion of the housing. The housing includes one or more recesses formed in the outer peripheral portion of the housing. The housing includes a number of illuminative powders engaged into the recess of the housing for generating a light out of the housing.

The invention discloses an automatic toothpaste squeezing device. The device comprises a rectangular installation plate, two screw rods are rotationally installed on the installation plate, one end of each screw rod is connected with one turbine, the other end of each screw rod is rotationally installed on a screw rod installation block, each screw rod is provided with a nut, a toothpaste squeezing device body is arranged between the two nuts, a toothpaste mouth fixing device is arranged on the two screw rod installation blocks, the two turbines are rotationally installed on a turbine installation block, a push and press driving device driving the two turbines to rotate at the same time is arranged between the two turbines, an upper plate is arranged above the installation plate, a lower plate is installed below the installation plate, side plates are arranged on the two sides of the installation plate, and the upper plate, the lower plate and the side plates are perpendicular to the installation plate. Through the structure, toothpaste can be conveniently squeezed out by means of the device, and the amount of the toothpaste is controlled precisely.

The invention discloses a non-powered domestic sewage treatment plant, comprising a reaction tank consisting of steel plates or glass reinforced plastics or plastic plates or brick-concrete constructions, wherein, the reaction tank is divided into an air water reinforced contact zone, a biological reaction zone, and a biofiltration zone; the air water reinforced contact zone is provided with a perforating water distributor, a perforating inclined plate, an air-supply pipe, a vent window, and an air suction duct; the biological reaction zone is filled with biological filling material; and the biofiltration zone is provided with one or more sets of slots, self-forming dynamic membrane filtration frames which can move up and down are inserted in the slots, and the water exit of the biofiltration zone is provided with a water outlet valve. The invention has the advantages of simple structure, small land occupation area, low investment, good processing effect, no need of power, no need of electric power, no need of operation cost, no need of person operation and management, and the like, and is suitable for villages and small towns, especially meeting the usage of domestic sewage treatment in remote mountain areas with relative backward economy and no guarantee of power supply.

The invention relates to a fire safety emergency window, which belongs to door and window technology field. The invention provides an escape emergency door (window) when in short burst fire, the door (window) can sense fire automatically, and it can be opened in emergency and has function of anti-burglary. It includes a door frame or window frame, door (window) board and spindle. The door is arranged in the door frame; a spindle is arranged under the door (window) board, a supporting bracket for fixing the door (window) is arranged on the door (window) frame, an automatic sensing device is assembled between the door (window) board and the supporting bracket. The automatic sensing device is made up of intelligent pin and spring, the spring is assembled between the door (window) board and the supporting bracket, the intelligent pin penetrates the door (window) board, spring and the supporting bracket, then it is bent, the intelligent pin is made up of shape memory alloy material, the temperature of shape fully restoration is 35-95deg.C. The spring may be normal spring, or made up of shape memory alloy material.

The invention relates to the technical field of vegetable shredding and slicing, in particular to a shredding and slicing machine. The shredding and slicing machine comprises a box part, a pressing plate part, a cutting part and a transmission part. The box part comprises a base and a top plate located above the base, and guide rails are symmetrically installed at the positions, on the front and rear sides of a groove, of the base. The pressing plate part comprises a pressing plate and two vertical rods which are installed on the upper surface of the pressing plate and penetrate through the top plate, each vertical rod is sleeved with a spring, a transverse rod is connected between the two vertical rods, a pressing assisting rod is arranged above transverse rod, the rear end of the pressing assisting rod is hinged to the middle of the rear side of the top plate, and the front end of the pressing assisting rod exceeds the front side of the top plate. The cutting part comprises a shredding blade plate or a slicing blade plate which is installed between the guide rails and can slide along the guide rails. The transmission part comprises a hand wheel installed on the base and a connecting rod hinged to the hand wheel, and the other end of the connecting rod is hinged to the shredding blade plate or the slicing blade plate. The shredding and slicing machine is easy to operate, convenient to use and high in efficiency.

The invention discloses an automatic lifting type water retaining structure. The automatic lifting type water retaining structure comprises a water storage ditch, a water retaining floating wall and a sewer cover plate are arranged at the top of the water storage ditch, the water retaining floating wall is of a T-shaped structure composed of a transverse wall and a vertical wall, and the vertical wall is located in the water storage ditch. The structure is in a full-automatic mode, can realize automatic water retaining and resetting functions, does not occupy ground space, does not need to provide power energy sources such as electric power, and is simple in structure, safe and reliable.

The invention discloses a rail-type electric lift truck used on a staircase, which comprises an upper flat plate, a lower flat plate, lift rails, a lift trolley, a sliding shaft, a safety spring and a transmission mechanism. The rail-type electric lift truck used on the staircase makes full use of the load bearing strength of the staircase, and realizes the effect that people or goods can be carried upstairs or downstairs safely. The rail-type electric lift truck is good in stability, and compact in structure, and has little influence on the people who go upstairs or downstairs using the staircase.

The invention discloses a cooling and heating dual-purpose indoor temperature regulating system driven by wind power. The system comprises an air compressor, a wind turbine providing power for the air compressor, and a vortex tube communicated with an outlet of the air compressor, wherein the vortex tube is connected with the tail end of an indoor air conditioner through a reversing valve, and the reversing valve can make a cold end outlet of the vortex tube communicated with the tail end of the indoor air conditioner to be in the refrigerating mode and make a hot end outlet of the vortex tube communicated with the tail end of the indoor air conditioner to be in the heating mode. According to the system, the refrigerating mode and the heating mode are realized, air is utilized as the working medium, the structure is simple and reliable, cost is low, electric energy is not needed at all, and the system can serve as an indoor temperature adjusting device in remote regions lacking electric power or as supplement energy-saving devices of air conditioners in ordinary families.

The invention relates to a mountainous area unpowered algae biological rotating disc sewage treatment system. The system comprises a grating adjusting tank, an algae biological rotating disc and an inclined plate sedimentation tank; the system is constructed in a stepped mode from high to low according to mountainous terrain, the algae biological rotating disc comprises a waterwheel and biologicalrotating discs, and the waterwheel is arranged in the middle of the algae biological rotating disc, the biological rotating discs are distributed on the two sides of the waterwheel, and the waterwheel is connected with the biological rotating discs through bearings; a water outlet pipe is arranged above the waterwheel, the waterwheel is impacted by water flow, and the waterwheel drives the biological rotating discs to rotate through the bearings; green algae are inoculated in the biological rotating discs, and a bacteria-algae symbiotic system is formed on the biological rotating discs. The sewage treatment system has the beneficial effects of simple structure, investment saving, good treatment effect, small occupied area, no need of electric power, no power, no operation cost, no need ofspecially-assigned person management and the like, and is quite suitable for meeting the use requirements of domestic sewage treatment in rural areas and villages and towns in remote mountainous areas which cannot ensure electric power supply and have relatively backward economic conditions.

The invention relates to the technical field of landscaping, in particular to a seedling raising device capable of adjusting drip irrigation flow for a garden. The device comprises a tank body, a waste liquid treatment cavity is formed in the bottom of the tank body, and a supporting plate is arranged at the upper end of the waste liquid treatment cavity; water outlets are evenly formed in the surface of the supporting plate, a column is fixed to the upper end of the supporting plate, and bearings sleeve the outer wall of the column; seedling raising frames are fixed to the outer walls of thebearings, and seedling pot racks are arranged in the seedling raising frames; a water tank is arranged on the top of the tank body, drip irrigation devices and an illuminating lamp are arranged on thelower surface of the water tank, and a second rotation shaft which is matched with a supporting sleeve is arranged in the water tank; a driven gear which is meshed with a drive gear is fixed to the right side wall of the second rotation shaft, a rocker is arranged at the right end of the driven gear, a water inlet pipe and a pesticide adding pipe are communicated with the top of the water tank, and a water pump is communicated with the left end of the water inlet pipe. According to the seedling raising device capable of adjusting the drip irrigation flow for the garden, the problems are solved that the water amount of drip irrigation cannot be adjusted, and pesticide adding and fertilization are conducted inconveniently.

The invention relates to a drilling pneumatic tool with negative-pressure drillings dynamic collection function. A fixed sleeve is coaxially fixed on the front end of the drilling pneumatic tool; the excircle of the fixed sleeve is provided with a coaxial sliding sleeve which can move axially; a transparent sucking cover is coaxially fixed on the front end of the coaxial sliding sleeve; the center of the front end surface of the transparent sucking cover is provided with a center hole which protrudes from a bit, and the side edge of the transparent sucking cover is provided with a drillings collecting bag which is communicated with a negative-pressure vacuum generator. The drilling pneumatic tool can effectively prevent the drillings from splattering outside in the drilling process, reduces the subsequent cleaning procedure and difficulty and greatly improve the work efficiency and the work effect. The work position of the bit can be adjusted and controlled in real time through monitoring the work situation of the bit through the transparent sucking cover in the drilling process. The transparent sucking cover and the vacuum generator which are arranged on the drilling pneumatic tool do not need to do any change to the body of the drilling pneumatic tool and can not cause any influence to the performance of the drilling pneumatic tool.

The invention belongs to the technical field of welding machines, and particularly relates to a laser welding machine. The laser welding machine aims to solve the technical problems that an existing laser welding machine cannot effectively filter smoke generated by welding, and after workers inhale smoke dust for a long time, the symptoms such as dizziness, headache, cough, chest distress and shortness of breath can be caused, and the health of the workers is greatly influenced. According to the scheme, the laser welding machine comprises a shell, wherein a supporting plate is fixedly connected to the outer wall of the top of the shell, an air hole penetrating through the supporting plate is formed in the outer wall of the top of the shell, a vertical plate and a folding plate are fixedlyconnected to the outer wall of the top of the supporting plate, and one end of an output shaft of a motor is fixedly connected with a clamping mechanism. According to the laser welding machine, the clamping mechanism is arranged, a pipe is fixedly clamped through the clamping mechanism, the smoke generated during welding can be sucked into a conical cylinder from the air hole under the action of an air pump and then enters a filtering mechanism, and particles and harmful gas in the smoke can be effectively filtered under the action of the filtering mechanism.

The invention discloses a barrier-free pedestrian pedal system and a control method thereof. The barrier-free pedestrian pedal system comprises a pedal mechanism installed at a rear door, and the pedal mechanism is connected with a control device; the pedal mechanism comprises a pedal body, a telescopic structure is arranged in the pedal body, the bottom of the pedal body is connected with a vehicle body through a rotatable connecting member, and the bottom of the pedal body is disposed at the tail end of the step of the rear door of the vehicle body, and the telescopic structure extends out and then is erected on the step of a passenger compartment; the middle of the pedal body is connected with the vehicle body through a pneumatic device; the control device includes a PLC control box, acontrol circuit and a displacement sensor; the PLC control box is connected with the pedal mechanism through the control line, and the displacement sensor is mounted on the pedal body. The barrier-free pedestrian pedal system can be directly installed without affecting the original function of a bus, and the purpose of adding a green passage for the disabled to the bus is achieved.

The invention discloses an automatic cleaning type ecological cultivation auxiliary device, which comprises a main frame body, wherein the main frame body is of a square structure; a placement grooveis formed in the main frame body; a first filter screen is inserted into the placement groove in a sliding manner; a second filter screen is fixed to the main frame body through bolts; the mesh numberof the first filter screen is larger than that of the second filter screen; cleaning components are mounted on both sides of the main frame body; each the cleaning component comprises two driven wheels movably mounted on two sides of the main frame body through bearings; two sliding holes are respectively formed in two sides of the main frame body, one sliding hole is positioned at the upper halfpart of the main frame body, and the other sliding hole is positioned at the lower half part of the main frame body; cranks are hinged on both sides of the driven wheels; a brush fixing plate is hinged at one end of each the crank; and brushes are uniformly arranged on one side of each the brush fixing plate. The device has the characteristics of saving energy and facilitating cleaning and maintenance.

The invention relates to a method and a device for controlling thaw settlement of pipes in permafrost regions by a pontoon device and relates to the technical field of pipeline systems. The method and the device are characterized in that the pontoon device provides a pipeline with uplift force to raise the pipeline and prevent thaw settlement; when the ground of the permafrost region freezes, the pontoon device and frozen earth freeze together and also provide the pipeline uplift force; two stop bars (2) are buried on each side of a buried pipeline (1), the upper ends of the four stop bars (2) are limited with lightweight waterproof filling material (3) and a shell (4) to form the pontoon device; a lifting tape (6) wound around the buried pipeline (1) is fixed below the pontoon device through screws (5); measure points are used as pipeline support points; the support points are used to support the pipeline to ensure that beyond-expectation settlement never occurs to the pipeline. The device has no moving parts, is free of maintenance, has good reliability, is free of power consumption and is applicable to buried pipelines in the permafrost regions.

The invention relates to the technical field of sewage treatment, and discloses a device for increasing the oxygen content of sewage based on the object mass. The device comprises a fixing frame, a bottom frame is fixedly mounted in the fixing frame, a communicating tube is fixedly mounted on the upper surface of the bottom frame, a rubber ball is fixedly connected to the upper end of the communicating tube, a rotating disc is movably mounted at the upper end of the fixing frame, fixing plates are fixedly mounted on the outer surface of the rotating disc, a corrugated column is fixedly connected to the side surface of each fixing plate, a counterweight ball is fixedly connected to one end, away from every fixing plate, of the corresponding corrugated column, and the outer surface of everycounterweight ball is movably mounted on the rotating disc through a connecting rod. The cooperative use of the bottom frame, the communicating tube and the rubber balls makes the fixing plates sequentially squeeze the rubber balls during clockwise rotation in order to squeeze out water in the rubber balls, the water is jetted to pulverized limestone precipitated below the bottom frame through thecommunicating tube, the water and the pulverized limestone are mixed, and then the obtained mixture flows out from a material discharge hole to achieve water purification.

The invention relates to a chromium-free anti-oxidation solution and anti-oxidation process for electrolytic copper foil for lithium ion batteries. The chromium-free anti-oxidation solution per litercomprises, 0.2-2.0 g of benzotriazole, 0.1-1.2 g of benzoic acid, 0.1-1.0 g of propyl acetate, and water as a solvent. The process for performing anti-oxidation treatment on the electrolytic copper foil through the chromium-free anti-oxidation solution comprises the following steps that the original foil enters the chromium-free anti-oxidation solution for soaking through a guide roller after being stripped through a cathode roller, the temperature of the chromium-free anti-oxidation solution is controlled to be 20-35 DEG C in the soaking process, the soaking time is 3-10 s, then the foil is squeezed to be dry through a squeezing roller, a high-pressure air knife blows the foil to dry the foil at the normal temperature, and then the foil is directly coiled. The chromium-free anti-oxidationsolution has the beneficial effects that the solution does not contain the chromium element causing cancers to human beings or the zinc elementary substance reducing performance of the battery; by application of the anti-oxidation solution, powering on is avoided, and a passivation layer is formed completely in a chemical plating mode; and water washing is needed, and the situations that waste water pollutes the environment and cost is increased are avoided.

This invention discloses a light-gathering solar light-electricity-heat on-line device, which is connected with a solar condenser by a connecting bar, the electricity-heat on-line of the solar cell includes a liquid container with heat-collection working fluid, hot tubes are set on the side walls of the container and includes phase-change heat working fluid, the cell is connected with the hot tubes in the container fixedly, an inlet is set at the bottom and an outlet at the top, and the bottom face is transmissive, the outsides of the top face and the side walls are set with heat preservation material, which dips solar cells in a heat-collection working fluid and hot tube can carry solar heat not changed to electricity away quickly and guarantee uniform temperature of the cell surface to increase the photo-electric conversion rate.

The invention discloses an autonomous escape system for a high-rise building. The autonomous escape system for the high-rise building comprises an escape knapsack, a horizontal slot type rail and a vertical slot type rail, wherein the horizontal slot type rail and the vertical slot type rail are arranged on the high-rise building; the end part of the horizontal slot type rail is connected with thevertical slot type rail; the vertical slot type rail extends to a building bottom from the connected part of the topmost layer of a building and the horizontal slot type rail, and comprises multiplesections of vertical single rails; each two sections of vertical single rails are connected through a fixed frame; a one-way inserting type assembly, a control bolt and at least two groups of spring fasteners are fixed onto the escape knapsack; a sliding main slot and slot rails arranged on two sides of the sliding main slot are arranged on each vertical single rail; the one-way inserting type assembly is inserted into the slot rails; and the control bolt is perpendicular to the sliding main slots so as to be screwed into the middle part of the one-way inserting type assembly and is abutted against the inner walls of the sliding main slots. The invention further discloses an escape method of the system. The autonomous escape system for the high-rise building provided by the invention is not limited by the building height, and is simple to install, low in cost, dispense with electric energy, and capable of being used by multiple persons.

An electric cam phaser (ECP) for a camshaft of an internal combustion engine includes an axial flux electric machine (13) which is axially integrated with a positive differential gear train (12), and which is capable of providing frictional locking. The differential gear train (12) has three co-axial relatable branches. The first branch is connected to an input shaft (11), the second to the output shaft (14), and the third is integrated with a rotor (24) of the electric machine (13). The third branch is the control branch through which the differential gear train (12) can be unlocked from a neutral or ''locked'' mode of operation during phase adjustment by applying either a resistive torque in a second mode of operation, or a driving torque in a third mode of operation, though the electric machine (13) to the control branch.

The invention discloses a hydraulically controlled pivot type water injection pump capable of achieving automatic hydraulic pressure adjustment. The water injection pump comprises a front pressurization cylinder, a reversing working cylinder, a low pressure working cylinder and a back pressurization cylinder which are sequentially connected from front to back, wherein the front pressurization cylinder, the reversing working cylinder, the low pressure working cylinder and the back pressurization cylinder are connected to a main reversing valve through respective manifolds; the reversing working cylinder is connected with a pivot valve control manifold; the pivot valve control manifold is connected with the main reversing valve; the main reversing valve is further connected with a high-low pressure manifold through a self high-low pressure outlet; a front check valve group is arranged on the manifold connected between the front pressurization cylinder and the main reversing valve; a back check valve group is arranged on the manifold connected between the back pressurization cylinder and the main reversing valve; and the front check valve group communicates with the back check valve group. According to the water injection pump, surplus energy of a low pressure injection well is converted into energy required by pressurization injection of a high pressure injection well, energy does not need to be additionally added, water injection pressure of the high pressure well and the low pressure well is re-distributed according to needs, the injection pressure requirements of the high pressure well and the low pressure well are met, and the water injection pump has important meaning for decreasing the number of insufficient injection wells and improving the energy-saving effect of a water injection system.

The invention discloses a fist stick pile capable of automatically changing the form. The fist stick pile comprises a bottom frame and a rear frame fixed to the top of the bottom frame. Limiting columns are fixedly connected to the top and the bottom between the two sides of the inner wall of the rear frame, and an upper metal plate and a lower metal plate are fixedly connected to the opposite sides of the two limiting columns correspondingly. A stand column is fixedly connected to the front face of the top of the bottom frame, and a supporting column is fixedly connected to the top end of thestand column through a first reset spring. The invention relates to the technical field of training equipment. According to the fist stick pile capable of automatically changing the form, a stick rodswings left and right under the action of force in the left-right direction and resets under the action of the reset spring, the flexibility is high, the training hand feeling is enhanced, and when the stick rod bears force in the up-down direction, magnets can be attracted to the upper metal plate or the lower metal plate, so that the stick rod keeps an upward stick tendency or a downward sticktendency; and after the action of the practicer is eliminated, the stick rod can still keep the form, so that cyclic transformation of action practice of the practicer is met.

The invention relates to the technical field of computer software and hardware auxiliary equipment, and discloses a quick and tidy replacement device for keyboard keycap replacement, which comprises abase, the surface of the base is rotatably connected with a connecting rod, the upper end of the connecting rod is rotatably connected with a supporting rod, and the upper side of the base is rotatably connected with a rotating shifting block; and a key shaft is arranged on the surface of the base, and key caps are arranged at the upper end of the key shaft. According to the quick and tidy replacement device for keyboard keycap replacement, through cooperative use of the base, the connecting rod, the supporting rod, the rotating shifting block, the key shaft, the key caps, the keyboard cover,the rotating buckle, the buckle switch rod, the stop block and the like, all the key caps can be separated from the key shaft only by rotating the rotating rod, and the key caps are arranged on the keyboard cover without being scattered; and the key caps can be taken down by taking down the keyboard cover after the buckles of the keyboard cover are uncovered, the step of disassembling the key caps is simplified, and the time and labor for disassembling the key caps are reduced.

The invention relates to a cutting machine, in particular to a manual rocker-type chestnut cross notching machine capable of automatically returning materials. The manual rocker-type chestnut cross notching machine comprises a machine frame, a rocker mechanism, a crank-link mechanism, a cutting device, a transmission mechanism, a material returning device and a material tray, wherein the rocker mechanism is mounted at the top of the machine frame; one end of the crank-link mechanism is connected with the rocker mechanism and the other end of the crank-link mechanism is connected with the cutting device; the cutting device is mounted on slideways of the machine frame; cutting knives are arranged on the cutting device; the material returning device is mounted on the machine frame; the material returning device is linked with the transmission mechanism; the transmission mechanism is mounted on the machine frame; the material tray is placed below the material returning device; and a seriesof operations including cutting, knife returning, discharging and returning can be completed by shaking a handle for a round. The manual rocker-type chestnut cross notching machine disclosed by the invention is simple in structure, does not need electric power and is low in manufacturing cost and high in efficiency; uniform force is applied to chestnuts; and the manual rocker-type chestnut crossnotching machine can cut standardized cross cuts on the chestnuts, so that not only is beautiful appearance achieved but also the mouth feel is improved.

The invention discloses a hidden self-floating ramp flood control device. The hidden self-floating ramp flood control device is arranged under the ground of river, lake and sea coasts, zones with thelow-lying terrains and prone-occurrence floods, and building entrances. When a rainstorm and a typhoon strike, the flood rises to exceed a flood control cordon to flow over into the hidden self-floating ramp flood control device, under the buoyancy effect of the flood, the hidden self-floating ramp flood control device upwards floats to form a flood control dam body for isolating the flood and a two-way slope ramp capable of allowing vehicles and pedestrians to safely pass, and thus the double purposes of effective flood control and safe passage are achieved; and after the flood retreats, a threat is avoided, and the hidden self-floating ramp flood control device discharges the internal flood, descends and resets to be flush with the ground to cope with next flood striking. According to the hidden self-floating ramp flood control device, compared with flood control sandbags, water baffles and electric waterproof doors, electricity and manual duty are not needed, safe and reliable effects are achieved, manpower and material resources are saved, and mounting and maintenance are convenient.

The present invention discloses a fish flesh elasticity measuring device comprising a liftable object stage, a power twister, a cutting pressing device and an elasticity measuring instrument; the object stage is used for loading fish flesh; twisting force generated by the power twister drives the cutting pressing device to cut and press the fish flesh downward, the cutting pressing device is used to cut and press the fish flesh on the object stage to produce displacement, and convert the displacement into an elasticity reading of the elasticity measuring instrument for displaying. The fish flesh elasticity measuring method is as follows: the fish flesh is put in the object stage, the power twister is adjusted to output a set twisting force value, the twisting force generated by the power twister drives a cutting pressing blade to cut and press the fish flesh downward by a drive wheel, meanwhile an elastic reading instrument panel pointer gear rotates, and an elastic reading instrument panel pointer instructs the elastic reading. The fish flesh elasticity measuring device can be used for accurate measurement, comparison and distinction of fish flesh quality, and has the advantages of simple production, no need of electricity and low production cost.