972 results about "Clapboard" patented technology

A steel roof deck diaphragm to provide structural rigidity to a building wherein loads of varying intensity can cause movement of structural members, which tends to generate noise when two members rub or work against each other. Corrugated sheets of high tensile steel are supported from below and span the distance between purlins, the corrugated sheets having over-lapping side edges and end edges and upper and lower surfaces. Non-metallic strips of felt form spacers positioned between the over-lapping side edges and end edges to prevent generation of noise resulting from relative movement of the corrugated sheets.

The invention discloses a device and a method for portable metal material tensile stress corrosion. A tensile sample is fixed on a loading main device through a loading pull rod and loading nuts; tensile force is applied to the tensile test by loading nuts, and then the tensile sample is selectively corroded through a corroding test groove which is in a structure shaped like a Chinese character ri and comprises an upper clapboard, a middle clapboard, a lower clapboard, clamping screws and a corrosion solution barrel; the corrosion solution barrel is fixed between the upper clapboard and the middle clapboard; the upper clapboard is provided with a solution changing hole; the middle clapboard is provided with a corroding hole; the tensile sample clings to the corroding hole and adds force to seal the space between the middle clapboard and the tensile sample through the clamping screws; and the corroding test groove can be also used for electrochemical test. The device and the method for portable metal material tensile stress corrosion have the advantages of convenient use and loading, easy operation, portability, selective corrosion and favorable observation.

A system for framing houses or other buildings which uses pre fabricated steel framing and which is quick and easy to construct. A prefabricated system is provided for framing complete building, on a foundation. Folding telescopic framing units are used for vertical partitions and horizontal floor panels. A prefabricated system of framing units is provided for constructing a building comprising: a) providing a foundation; b) securing vertical beams having open upper ends to the foundation at spaced locations; c) securing horizontal beams between the upper ends of the vertical beams; d) erecting and securing folding, telescopic floor joists on the foundation; and e) erecting and securing folding, telescopic roof trusts at spaced locations on the horizontal beams. Also provided is a framed building comprising: a) a foundation; b) vertical beams having open upper ends secured to the foundation at spaced locations; c) horizontal beams secured between the upper ends of the vertical beams; d) erected folding, telescopic floor joists secured on the foundation; and e) erected folding, telescopic roof trusts secured at spaced locations on the horizontal beams.

A system of prefabricated modular components, designed to fit and connect together using no tools other than human hands, allowing persons with little or no construction experience to assemble floored / partitioned / roofed structures of variable shape and surface area. Flooring panels are inserted and secured into flooring frames that have been inserted and secured into frame connectors. Flooring frames may be anchored into an outdoor installation surface for long term use. Certain configurations of the frame connector allow for the installation of variable height partition supports, as well as partition panels. A special configuration of the flooring frame allows for wheeled implement / conveyance access to the floored surface from the surrounding surface. Open, unfloored areas may be created within the periphery of a structure. Roof Panels are installed onto and supported by Roof Brackets, Roof Beams and Integrated Gutter Sections. Precipitation is conveyed to Downspout Pipes and Fittings via Downspouts.

The invention aims to provide timber polishing and sanding equipment and a processing technology thereof, which are specially used for processing timbers, in particular to sheet timbers; not only can original timber planks be processed for planishing, but also processed timber planks can also be polished; under the premise of not damaging patterns in the timber planks, the plank surfaces are smoothed. To reach the effect, the timber polishing and sanding equipment provided by the invention comprises a machine body, wherein the machine body is internally provided with multiple polishing components in parallel; a dust-cleaning apparatus is arranged above each of the polishing components; an expansion groove for fixing a fine machining component is arranged between every two adjacent polishing components; two sides of each of the polishing components are respectively provided with a sanding piece clapboard; rollers are arranged in a way of corresponding to the lower side of each of the sanding piece clapboards; a control panel is arranged on the machine body. By applying the timber polishing and sanding equipment and the processing technology thereof, the influence of polishing work on workers is reduced through such a structure; moreover, finished timbers can be polished; the product production speed and the product quality are improved.

The electron beam welding method of the steam turbine clapboard refers to a kind of welding technique. The invention is realized in the following way: a. clean the surface of the clapboard; b. assemble and fix the clapboard on the frock in accordance with the requirement of mounting technology of the electron beam's clapboard; c. move the fixed clapboard to the electronic welding vacuum chamber to vacuumize it; d. when the vacuum degree reaches predetermined value, heat the clapboard for between 15min and 30min with electron beam stream; e. weld the clapboard with the electron bombardment welding machine; f. after finishing the welding, heat the clapboard for over 30min with electron beam stream; g. after postheat treatment, isolate the clapboard in the vacuum chamber for between 15min and 30min; h. move the welded clapboard out of the vacuum chamber and put it into the temper furnace for heat treatment. The invention is featured by short production cycle, high welding precision, simple technique and low cost.

The invention relates to a fully-automatic oily sewage filtration-type separator which comprises a tank body, filter material, a water inlet, a water outlet, a cylinder, a pressure plate, an oil collector, a cylinder fixing cover for fixing the cylinder, and a perforated clapboard; a first chamber is formed between the perforated clapboard and the top wall of an inner cavity of the tank body; thewater inlet and the oil collector are arranged at the upper part of the tank body and both communicated with the first chamber; the perforated clapboard is arranged at the upper part of the inner cavity of the tank body and below the water inlet; the cylinder fixing cover is fixed with the lower end of the tank body, and a piston rod of the cylinder passes through the cylinder fixing cover and then extends into the inner cavity of the tank body; a third chamber is formed between the cylinder fixing cover and the pressure plate; the water outlet is arranged at the lower part of the tank body and communicated with the third chamber; a second chamber is formed between the pressure plate and the perforated clapboard, and a filter core is arranged in the second chamber. The invention also relates to a separating system which adopts the fully-automatic oily sewage filtration-type separator. The invention has small occupying area, is unnecessary to filter oily sewage in advance, can not onlyensure high oil-water separation precision, but also carry out automatic backwash on line.

The invention discloses a by-pass circulating defrosting structure of a refrigerator, which comprises a defrosting electric heater, an evaporator and a centrifugal fan arranged in a cold and hot air source chamber, and is provided with a by-pass air duct for defrosting circulation, wherein a cold wall clapboard is arranged between the by-pass air duct and the cold and hot air source chamber, and the by-pass air duct consists of the cold wall clapboard and a by-pass air duct insulation board; the cold wall clapboard is provided with a cold wall clapboard air outlet and a cold wall clapboard return air inlet; the by-pass air duct insulation board is provided with an air outlet electric air valve, a return air inlet electric air valve; a by-pass air duct inner electric air valve is arranged in the by-pass air duct; and the centrifugal fan is communicated with the cold wall clapboard air outlet through an air pipe. Simultaneously, the invention also discloses a control unit based on the by-pass circulating defrosting structure of the refrigerator and a defrosting control method thereof. Because the defrosting process is limited in a closed space and a frost layer is heated by the combined action of heat conduction and convection, the by-pass circulating defrosting structure of the refrigerator, the control unit and the method have the advantages of short defrosting time, high defrosting efficiency, stable storehouse temperature during defrosting and the like.

The invention discloses a linkage extinguisher sprayer controller, comprising a switch body, a switch body end cover with a plug body, a slider, a draw bar, a fuse and a spring. The linkage extinguisher sprayer controller is characterized in that the plug body is provided with an external thread, and the right end surface of the switch body end cover is fixedly connected with the left end of the switch body; the switch body is internally provided with a spring chamber, and the left end of the switch body is provided with a fuse chamber; a clapboard between the spring chamber and the fuse chamber has a fuse through hole and a first draw bar through hole; the plug body and the switch body end cover have a second draw bar through hole and a third draw bar through hole, respectively; the diameters of the first, second and third draw bar through holes are the same, and the three draw bar through holes are coaxial; the slider and the spring are arranged in the spring chamber, and one end of the spring pushes against the slider while the other end of the spring pushes against the bottom wall of the spring chamber; the draw bar passes through the first, second and third draw bar through hole and then is fixedly connected with the slider. The linkage extinguisher sprayer controller has the advantage and effect that a fire can be extinguished under the conditions of no people and no electricity and that people cannot get close to the fire with the implementation of the technical scheme provided by the invention.

The invention discloses a deep chemical wastewater treatment system which comprises a Fenton fluidized bed device, a flocculation and sedimentation device and a biological aerated filter device which are sequentially communicated with one another, wherein the Fenton fluidized bed device comprises a reaction tank body, a clapboard, multiple water distributors, granular catalyst packing, an effluent weir plate, a first water outlet pipe, a water inlet pipe, a return pipe, a circulating pump and a first dosing device; the clapboard divides the reaction tank body into a lower premixing chamber and an upper reaction chamber separator; the multiple water distributors are arranged on the clapboard; the effluent weir plate is arranged on the upper part of the reaction chamber; and the circulating pump and the first dosing device are arranged on the return pipe. According to analysis of the various existing wastewater treatment technologies, targeted research is performed by combining the problems such as complicated chemical wastewater matter structure and high treatment difficulty, and the Fenton fluidized bed technology and the biological aerated filter technology are ingeniously combined according to the economy principle in actual production, so that the advantages of the two technologies are synergistically matched with one another, and the problem that the chemical wastewater treatment does not reach the standard and the problem that the conventional equipment is high in operating cost are solved.

The invention discloses a cultivation water filtration method, including a cultivation water filtration step. The cultivation water filtration step includes that: cultivation water to be filtered passes through a filter screen in surge water flow state from the filter screen down-up under the driving of a power source. The invention also discloses a filtration device for realizing the cultivationwater filtration method, comprising a tank body and a filter screen arranged in the tank body; wherein the tank body is opened with a water inlet and a water outlet, the filter screen is arranged toward the water inlet direction in an inclined way and is arranged above the water inlet, the lower end of the filter screen is connected with a vertical clapboard, the filter screen and the clap board divide the space in the tank body into a sewage region and a clear water region, and the water inlet is communicated with the sewage region while the water outlet is communicated with the clear water region. The invention can cause masses of sewage to strike the filter screen under the driving of surge water flow and deposit downward, filtration time is increased, reverse washing frequency is reduced, and better filtration effect can be realized.

The invention discloses a sludge reflow-free device with a simultaneous nitrification and denitrification (SND) function. The device comprises a pool body; the sidewall of the pool body is provided with a main water inlet; the interior of the pool body is divided by a clapboard into a diversion area, an aeration area and a sludge precipitation area in sequence; the aeration area is internally provided with an overflow groove; the bottom of the aeration area is provided with microporous aeration devices distributed uniformly; and the sludge precipitation area is internally provided with a membrane element. The invention also discloses an operation control method of the device. By skillful arrangement of aeration pipes and combined use with a biological membrane, the power cost and the operating cost of sludge reflow are saved, and the purpose of reducing energy consumption is achieved. The biological environment to be achieved by the simultaneous nitrification and denitrification is adjusted indirectly through adjusting parameters such as active sludge concentration, sludge age, unit sludge load and the like; the operation is strong in human controllability, and the problem that the microbial metabolic environment in the SND technology is not easy to control is solved.

The invention discloses a conveniently assembled and disassembled mould for once molding multiple building blocks. The mould comprises a base frame, fixed plates, movable vertical clapboards, front door plates, back door plates, a plurality of mutually corresponding core holes, and hole blocking pipes, wherein the fixed plates are arranged on the left or right side of the base frame and are vertically fixed on the base frame, the movable vertical clapboards are as same as the fixed plates and are parallel to the fixed plates one another, the front door plates and the back door plates are vertical and mutually parallel to the fixed plates or the movable vertical clapboards, the plurality of mutually corresponding core holes are arranged on the front door plates and the back door plates, and the hole blocking pipes are inserted into the core holes. Rectangular flat plates are arranged between the fixed plates and the movable vertical clapboards or two adjacent movable vertical clapboards and on the base frame. The front door plates and the back door plates are arranged on sides of the fixed plates and the movable vertical clapboards, the two side bottoms of the fixed plates and themovable vertical clapboards are fixedly connected with reinforcing base plates, the reinforcing base plates can slide on the side of the upper end of the base frame, and the lower edges of the reinforcing base plates are fixedly connected with connecting plates. Front-back door plate automatic opening and closing mechanisms are arranged between the connecting plates and door hinges of the lower parts of the adjacent front, back door plates. A vertical clapboard pulling mechanism is arranged between two adjacent connecting plates. The mould disclosed by the invention is convenient to assemble,disassemble and maintain and is not easy to have fault.

The invention provides a circulation board of a heat exchanger. The circulation board of the heat exchanger comprises a pedestal and a frame positioned at the periphery of the pedestal, wherein a circulation space through which fluids can circulate is encircled by the pedestal and the frame, and the pedestal is provided with a plurality of planar holes and a plurality of convex holes protruded into the circulation space; the circulation board further comprises a clapboard positioned on the pedestal, wherein the clapboard board is used for separating the circulation space into two flow channels not communicated with each other, at least one planar hole and at least one convex hole are formed in each flow channel, and the two flow channels are used for achieving the circulation of the fluids so as to achieve heat exchange between the fluids. Thereby, according to the circulation board of the heat exchanger, the clapboard is arranged to separate the circulation space into two flow channels not communicated with each other, and the fluids flow in the separated flow channels, so that the spaces of the flow channels are more fully utilized, and thus heat exchange efficiency and heat exchange amount are improved. In addition, the invention further relates to a heat exchanging unit of the heat exchanger and the heat exchanger with the heat exchanging unit.

The invention discloses a malodorous gas treatment system and a method thereof, wherein the treatment system comprises a reaction vessel, the reaction vessel is separated into a first reaction chamber and a second reaction chamber which are positioned side by side through a clapboard, a gap is left between the clapboard and the top of the reaction vessel, and a waste gas inlet and a detergent outlet are arranged on the side of the lower part of the first reaction vessel; the malodorous gas treatment system further comprises a spray system and a detergent circulating pump which are arranged at the upper part of the first reaction chamber, a perforated plate is arranged at the lower part of the second reaction chamber and separates the second reaction chamber into a bioreaction area and a nutrient solution storage area, a purified-gas outlet is arranged on the side wall of the nutrient solution storage area in the second reaction chamber, and a draught fan is arranged at the purified-gas outlet; and a layer or a plurality of layers of inert fillers arranged on the perforated plate are contained in the bioreaction area, wherein microorganisms grow on the inert fillers in an attaching way. The system has a compact structure, is suitable to treatment of different kinds of malodorous gases of different concentrations and loads. The method is economic and efficient.

The invention belongs to the technical field of building structure engineering, and relates to a concrete-filled rectangular steel tube column-box girder full-bolt connection node. The concrete-filled rectangular steel tube column-box girder full-bolt connection node comprises a concrete-filled rectangular steel tube column, a box girder, an upper run-through clapboard, a lower run-through clapboard, a lower cover plate, a plurality of high-strength bolts, a plurality of connection plates and two shear plates. The upper run-through clapboard and the lower run-through clapboard penetrate through a concrete-filled rectangular steel tube column wall and are welded with the surrounding of the steel tube column wall of the concrete-filled rectangular steel tube column; the two webs of the box girder are welded together with the groove of the concrete-filled rectangular steel tube column via one shear plate respectively; the upper flange of the box girder is connected with the upper run-through clapboard by the high-strength bolts via the connection plates arranged in the box girder; the two webs of the box girder and the two shear plates are connected by the high-strength bolts via the connection plates arranged in the box girder respectively; and one end of the lower cover plate is connected with the lower flange of the box girder via the connection plate, and the other end of the lower cover plate is connected with the lower flange of the lower run-through clapboard via the connection plate. The invention provides a construction method for the node aforementioned simultaneously. The node and the construction method disclosed by the invention have the advantages of being convenient, fast, and easy to realize.

A storage shed for attaching to the railing at the edge of a deck, such shed having an enclosure assembly mounted on the deck railing while being held in place by doors. The shed preserves deck floor space by hanging principally within and on the outside of the deck railing, and provides a stable storage container that may securely hold a variety of items. The shed can be finished to match the deck or the building to which the deck is attached. A plurality of shelves, hooks, drawers, pegboard, hangers, and partitions within the shed can be arranged for convenient storage of a variety of items.

The invention relates to a large steel structure, belonging to the building field. The large steel structure comprises stand columns and cross beams, wherein the stand columns are connected with one another by the cross beams and connecting beams; the large steel structure is characterized in that the stand columns and the cross beams have box-shaped structures; each connecting beam comprises a cross connecting beam and an inclined connecting beam; each connecting beam is a welded steel H-section; each box-shaped structure consists of a front face plate, a rear face plate, an upper face plate, a lower face plate and a clapboard, a tetrahedron can be formed by welding the front face plate, the rear face plate, the upper face plate and the lower face plate, and the clapboard is arranged in an inner cavity of the tetrahedron; each connecting beam consists of an upper flange plate, a lower flange plate and a web; and the upper flange plate is connected with the lower flange plate by the web. The large steel structure reliably guarantees the manufacturing accuracy and quality of the steel structure, is high in degree of automation, adopts industrial production and flow process, improves the efficiency of labor, lightens the labor intensity of workers, and realizes industrial production and field installation.

The invention discloses a double-cavity thermal field of a crystal silicon ingot casting furnace and a control method thereof. All traditional ingot casting furnaces adopt the design of a fixed thermal cavity, and have the defects that the crystal melting process time and the crystal growing time can not be taken into account simultaneously in the practical production process; in addition, after the thermal field part is installed, only a fixed solid-liquid interface can be used, the solid-liquid interface can not be modified in the growing process, and the growing controllability of crystalsis not high. The double-cavity thermal field is characterized in that a circle of insulating clapboards which support against the inner wall of an insulating cage and can lift up and down along the inner wall are arranged on the inner wall of the insulating cage, the insulating clapboards are made of insulating materials and positioned between the inner wall of the insulating cage and the outer wall of a heat exchanging table, the insulating clapboards positioned at two sides of the heat exchanging table are respectively fixedly connected with lifting rods, and the upper ends of the lifting rods penetrate through the insulating cage and are connected with a lifting driving mechanism. The double-cavity thermal field modifies the solid-liquid interface and the temperature gradient of the solid at any time through the lifting insulating clapboards, thus the optimal crystal growing environment and control on the shape of the solid-liquid interface are realized.

The invention relates to a method and production line to manufacturing an insulating tank for a liquefied natural gas carrier. The method includes the working procedures of ''mould piggybacking'', ''clapboard assembling'', ''temporary clapboard fixing'', ''clapboard fixing by nailing'', ''roof plate assembling and temporary fixing'', ''roof plate fixing by nailing'', ''bar code affixing'', ''tank body overtuning'', ''double-layer roof plate assembling and temporary fixing'', ''double-layer roof plate fixing by nailing'', ''tank body leveling up'', ''insulating material filling'', ''filling density checking'', ''bottom plate assembling and temporary fixing'', ''bottom plate fixing by nailing'', ''tank body finishing'', ''tank body conveying and cleaning'', ''tank body packaging'' and ''tank body transporting''. By implementing such technical process for producing insulating tanks applied to LNG ships, the labor is largely saved, the production efficiency is improved, and the requirement of high precision of insulation tanks is satisfied.

The invention discloses a self-watering type green planting box for municipal roads for sponge cities. The box comprises a speed reduction belt and a box body arranged on the road, wherein an inner cavity is formed in the road; a first magnetic plate is elastically connected to the bottom of the inner cavity through a plurality of compression springs; the first magnetic plate is fixedly connectedwith the speed reduction belt through a plurality of connecting rods; the side wall of the inner cavity is communicated with a water absorption cavity; a second magnetic plate is elastically connectedto the side wall of the water absorption cavity through a return spring; the second magnetic plate and the first magnetic plate are mutually repulsive; a clapboard is fixedly connected to the inner bottom of the box body; the clapboard divides the box body into a water supply groove on the left side and a planting groove on the right side; a baffle is fixedly connected to the inner wall of the water supply groove close to the upper end; and a power supply and an electromagnetic plate are fixedly connected to the inner wall of the water supply groove close to the lower end. The device can automatically water the green plants in the planting box, so that the time and energy of workers are greatly saved; and the device can fully utilize rainwater, so that water resources are greatly saved.

The invention discloses a membrane-free direct alcohol fuel cell in an acid solution and a preparation method of the membrane-free direct alcohol fuel cell. The membrane-free direct alcohol fuel cell comprises a gas diffusion electrode, an anode strip and electrolyte, wherein the gas diffusion electrode is formed by hot pressing a catalyst layer, a stainless steel wire and a water resistible and breathable layer which are sequentially stacked, the water resistible and breathable layer is directly contacted with air, a plastic gridded clapboard is arranged between the gas diffusion electrode and the anode strip, rubber gaskets are arranged between the plastic gridded clapboard and the anode strip as well as between the plastic gridded clapboard and the catalyst layer, the catalyst layer is manufactured by a Pd-Co-Cu nanocomposite supported by a multiwalled carbon nanotube, the anode strip is formed by taking Nafion solution as a binder, and coating the stainless steel wire by Pt / C partials, and the electrolyte is a sulfuric acid solution containing alcohol. The membrane-free direct alcohol fuel cell can stably discharge in the acid solution, an ion exchange membrane is not used, the membrane-free direct alcohol fuel cell is simple in structure, and the cost of the membrane-free direct alcohol fuel cell is greatly reduced.

The invention relates to a lime-sand mortar tiling device for floor tiling. The lime-sand mortar tiling device for floor tiling comprises a base and a guide rail used for supporting the base. The guide rail comprises a horizontal guide trough a (2) and a horizontal guide trough b (3) which are parallel, and the guide trough a (2) is supported by height regulators (1). The base is in the shape of a box body formed by a side board a (4), a side board b (5), a side board c (6) and a side board d (7) in a surrounded mode, the box body is divided into a front coarse material box (10) and a rear fine material box (12) through a vertical partition plate a (8), two sliding wheels a (13) are arranged on the outer side face of the side board a (4), two sliding wheels b (14) are arranged on the outer side face of the side board c (6), the sliding wheels a (13) slide on the guide trough b (3), and the sliding wheels b (14) slide on the guide trough a (2). The leveling height can be accurately determined by regulating the height of the guide rail, the lime paving thickness is determined accurately, convenience is brought to floor tiling, the threshold that years of experience are needed for floor tiling is lowered, and labor intensity is relieved.

The invention relates to the field of express storage, and discloses an express cabinet. The express cabinet comprises a cabinet body, wherein a plurality of adjusting cavities used for storing express are arranged in the cabinet body, upright posts and clapboards are installed in the cabinet body, and the clapboards are installed on the upright posts and ascend and descend up and down along the upright posts to form the adjusting cavities; a plurality of slots which are longitudinally arranged are formed in the inner side wall of each upright post, and locking adjusting mechanisms used for being locked in the slots are installed on the lower end face of each clapboard. According to the express cabinet, the spaces of the adjusting cavities of the express cabinet can be adjusted according to the heights of express packages, a delivery man can control a locking device only by rotating a handle, and when the locking device is separated from the slots in the upright posts, the delivery manan drag the clapboards to move up and down along the upright posts so as to change the spaces in the adjusting cavities, the adjusting cavities are adjusted conveniently, and the clapboards can be driven to move up and down without installing electrical equipment such as a motor. The express cabinet is low in manufacturing cost, the electrical equipment has certain service life and failure rate,and the motor is adopted to drive the clapboards to move up and down, and later maintenance is troublesome.

The invention discloses a device for measuring the leaching loss amount of fertilizer and the water retaining effect of a soil water-retaining agent. The device comprises a soil box, a bracket, a sliding water-collecting disc and a filtering net which are connected together, wherein the soil box is separated into two tanks through a clapboard in the middle; a water inlet hole with the diameter of 3cm is formed in the upper part of one side of each soil tank; multiple drainage holes with the diameter of 2mm are formed in a bottom plate of the box; the filtering net is laid on the bottom plate of the soil box; the mesh diameter is small enough to prevent soil particles from leaking along with water; the bracket comprises four upright posts which are fixed through transverse moment, the distance between each two adjacent upright posts is 122cm, and each upright post is 40cm long; two chutes parallel to the opposite sides of the transverse moment of the bracket are welded at the part, which is 20cm away from the upper end, of the bracket; the bottom area of the water collecting disc is the same as that of the soil box, baffles with the height of 5cm are arranged at the periphery of the water collecting disc, the water collecting disc is separated into two parts through a clapboard in the middle, a group of scales is marked on the baffle at the periphery of each part, and the minimum measurement unit of the scales is 1mm.

The invention provides a nozzle cleaning device capable of sufficiently and cleanly cleaning nozzles during a long time. A cleaning region (61) includes: a pair of spraying preventing plate (73); four regions (75) for ejecting inert gas with slots (77, 78) for ejecting the inert gases; a clapboard (74); a lower cleaning brush (82), a right side cleaning brush (83) and a left side cleaning brush (81) all supported by a support member; a pair of regions for nozzles supporting a first nozzle (87), a second nozzle (84) and a third nozzle (85, 86). When the cleaning region is arranged in a cleaning zone, the lower cleaning brush is arrange to be able to abut against the position below a lower end of the slot nozzle; the right side cleaning brush is arrange to be able to abut against the position at right side of the lower end in a length direction of the slot nozzle; the left side cleaning brush is arrange to be able to abut against the position at left side of the lower end in the length direction of the slot nozzle.

The invention discloses a water source sampling device for hydrogeological survey. The device comprises a floating plate, the top of the floating plate is connected with a vertical frame, and the upper end of the vertical frame is connected with a solar photovoltaic panel; the middle of the vertical frame is connected with a clapboard; the top of the clapboard is connected with a storage battery;the bottom of the clapboard is connected with a motor fixing seat; a driving motor is installed on the motor fixing base, the left power output end of the driving motor is connected with a winding wheel, the circumferential outer side wall of the winding wheel is connected with a traction rope, the bottom of the floating plate is connected with an annular airbag, and a wire passing hole is formedin the middle of the floating plate; the end, extending out of the wire passing hole, of the traction rope is connected with a mounting frame; the deep water sampling device is reasonable in structural design, energy-saving, environment-friendly, capable of keeping stable, capable of completing deep water source sampling operation, capable of conveniently bearing samples, capable of better overcoming sinking buoyancy, convenient to assemble, disassemble and overhaul the sampling shell, capable of widening the sampling range and beneficial to guaranteeing the accuracy of sample data.

The invention discloses a volume variable air spring auxiliary chamber experiment device and a volume variable air spring auxiliary chamber experiment method. Inner cavities of a cylindrical shell of an auxiliary chamber are eight sector cylinder chambers with same volume, which are separated by sector plates circumferentially; a clapboard is enclosed on the upper end face of the eight sector cylinder chambers, and is provided with eight small holes opposite to the eight sector cylinder chambers; a movable cover plate is arranged on the upper layer of the cylindrical shell, and is provided with a height sensor; the lower end face of the movable cover plate is vertically fixedly connected with eight plunger pistons respectively in sealed fit with the eight small holes, and the lengths of the eight plunger pistons form an arithmetic progression in turn; an air spring system is connected with a computer through a numerical control electrohydraulic servo vibration testing system; and with the increase of the heights of the eight plunger pistons, the eight sector cylinder chambers are opened in turn, the influence of different volumes of the auxiliary chamber on the characteristics of the air spring is measured, the air spring can obtain a wider rigidity change range, and the running stability and riding comfortability of a sedan are improved.

The invention relates to control panel and control method for two-temperature cocktail cabinet. The control panel is mounted on the front side plate of clapboard which divides the cocktail cabinet into up and down two refrigerated chambers, and the temperature display board of up and down temperature regions, warming button, and cooling button and setting button are mounted on the panel. The temperature of refrigerated chamber can be adjusted by the buttons of control panel, and the control method is: makes sure that the temperature of refrigerated chamber sensed by temperature sensor in cocktail cabinet is in normal range, the temperature display board of up and down temperature regions set on control panel displays normal; presses the setting button for 3 seconds to adjust the temperature region; presses the warming, cooling buttons to set the temperature. The control panel of two-temperature cocktail cabinet can realize that one cocktail cabinet can control the temperature of two refrigerated cabinet, and the structure is national and easy, the production cost is low, and the control method of that two refrigerated chambers can be controlled by one control panel is easy, and convenient for user to use it.