12 results about "Lower half" patented technology

The invention relates to a method for disposing organic wastewater by photocatalysis of double rotating table photocell liquid film reactor in the technical field of environmental catalysis. TiO2 photocatalyst is loaded on the base and is used as photo anode, which is fixed together with the cathode on the rotating shaft for forming a double rotating table, the lower half of the double rotating table is immerged in wastewater, and the double rotating table is connected with the carbon brush connecting with the rotating shaft by leads. The motor is started, and the rotate speed of the double rotating table is controlled, thus a layer of liquid film is formed on the surface of the double rotating table. An uviol lamp is taken as the excitation light source, the photoinduced electrons on the surface of the photo anode of the TiO2 film rotating table is transferred to the surface of the cathode of the rotating table, the photoinduced electrons react with the saturated dissolved oxygen on the surface of the cathode rotating table so as to generate H2O2, and the indirect oxidation to organic matter and the direct oxidation to organic matter by photo cavity on the surface of TiO2 film photo anode rotating table improve the degradation efficiency; and the rotation of the rotating table speeds up exchange and update of electrode surface and bulk solution substance, mass transfer is strengthened, and higher effect thereof can be realized.

The invention discloses a water tightness test device and belongs to the field of test devices. The water tightness test device comprises a watertight storage tank housing, a loading oil cylinder used for providing a loading force, a pulley, a mounting seat used for mounting a tested winch and the loading oil cylinder, and a closed connecting rope, wherein one end of the closed connecting rope is sleeved with the pulley; the pulley is mounted at the telescopic end of the loading oil cylinder; the loading oil cylinder is mounted on the mounting seat; the mounting seat is arranged on the bottom surface in the watertight storage tank housing; a water source inlet is formed in the watertight storage tank housing; the watertight storage tank housing comprises an upper half watertight storage tank and a lower half watertight storage tank which are hermetically connected; a connector flange is arranged at the bottom of the lower half watertight storage tank; a hydraulic pipeline of a hydraulic pump station penetrates through the connector flange to be connected with the loading oil cylinder. According to the test device, a pressure is provided by the loading oil cylinder and transmitted to a winding barrel through the pulley and the closed connecting rope so as to test the water tightness of the tested winch in positive and negative directions and at different rotating speeds.

A glove of the present invention includes a stretchable member and protective members arranged on a side corresponding to a back of a hand, and when the glove is placed in a stationary state and viewed from the back side, the stretchable member forms two or more separate curve surfaces, and upper end portions thereof are located somewhere in lower half parts of finger covering parts, each of the curve surfaces formed with the stretchable member extends toward a wrist part, crossing a center line of at least one finger covering part selected from a second finger (forefinger) covering part, a third finger (middle finger) covering part, a fourth finger (ring finger) covering part, and a fifth finger (little finger) covering part, at least twice in a region from the upper end portions to a normal to the center line of the third finger (middle finger) covering part that passes an interdigit part between the first finger (thumb) covering part and the second finger (forefinger) covering part, and in regions between the curve surfaces of the stretchable member, the protective members are provided. This configuration makes it possible to provide a glove that is capable of following changes in shape caused by a gripping action of the hand, providing both of the feeling of fitting and the feeling of support, and having a high-level protection function and a high-level mobility function.

The invention discloses a sewage purification treatment device for a municipal sewage pipe network. The sewage purification treatment device comprises a collection chamber and a filter chamber formedin one side; the collection chamber and the filter chamber are communicated with each other through a communication pipe, one end of the communication pipe is arranged at the lower half part of one side of the collection chamber, and the other end of the communication pipe is arranged at the upper half part of the filter chamber; a rectangular groove is dug in the top of the filter chamber, the upper portion of the filter chamber is provided with a horizontal support frame, a convex block matched with the rectangular groove is fixedly welded to the bottom of the horizontal support frame, a filter net is also hung at the bottom of the horizontal support frame, a liquid inlet pipe is installed at the side, away from the filter chamber, of the collection chamber, the top of the liquid inlet pipe is communicated with a water storage barrel, the lower half part of the collection chamber is arranged to be in a funnel shape, and the bottom of the collection chamber is communicated with a mudoutlet pipe. According to the sewage purification treatment device for the municipal sewage pipe network, multi-stage filtering can be achieved, and the filter net can also be treated and prevented from being clogged.

The invention belongs to the technical field of streetlamps, and particularly relates to a streetlamp capable of monitoring illegal activities on roads. The streetlamp comprises a lamp cover, an illuminating lamp and a lamp pole. A sampling monitor is arranged in the middle of the upper half part of the front face of the lamp pole, and a speed measurement device is arranged in the middle of the front face of the lamp pole. The speed measurement device and the sampling monitor are in series connection and are electrically connected with a power source through a control chip. A buzzer is arranged on the lower half part of the front face of the lamp pole and is connected with adjacent traffic lights through the control chip. When the traffic lights change from green to yellow, the control chip controls the buzzer to give out an alarm, and warnings are given to pedestrians and drivers. The sampling monitor monitors the condition of road traveling and the condition of the pedestrians at any time, and the speed measurement device is used for measuring the traveling speed of drivers; when the traveling speed measured by the speed measurement device exceeds the set maximum speed, the control chip controls the sampling monitor to conduct sampling. Accordingly, the warnings are given to the pedestrians and the drivers, and the probability of running the red light is reduced; furious driving vehicles are also recorded, so that the streetlamp can assist the traffic police in handling the problem of illegal activities on roads.

The invention relates to a stationery article, and concretely relates to a stationery case. The stationery case comprises a spectacle box at the upper half part and a stationery box at the lower half part, the upper half part has two cavities, one of the cavities is used for disposing common spectacles, and the other one of the cavities is used for disposing contact lens; and the lower half part has a drawer cavity which can be withdrawn, the spectacle box of the upper half part is provided with an electronic clock, and the upper half part can be movably linked onto the lower half part through a buckle, wherein an MP3 audio frequency player is arranged in the contact lens box. The purpose of the invention is providing the stationery case integrating multimedia learning and storage functions.

The invention discloses a connector capable of solving an easy upwarping problem and a design method thereof. The connector comprises a connector body and pins, wherein a positioning plate is arranged at the lower half section of each pin. The design method comprises the following specific steps: firstly setting positioning columns at the bottom of the connector body, and connecting the positioning columns with the positioning plates so as to restrict integral displacement of the pins; and then setting locking pieces on the lower side faces of the positioning columns, wherein one end of each locking piece is connected with the positioning columns, and the other ends of the locking pieces are connected with a printed circuit board. Compared with the prior art, a positioning design is added, the risk of easy upwarping is avoided, the retention force is improved, the using risk is reduced, the reject ratio caused by reduction of the using risk is reduced, the yield is improved, and the cost is reduced; and moreover, the connector is simple in structure, low in cost and high in universality, and can be applied to the design of other connectors of similar structures.

The invention belongs to the technical field of low-voltage insulated porcelain bottles and discloses a low-voltage insulated straight bottle capable of being replaced rapidly and a replacement method of the low-voltage insulated straight bottle. The low-voltage insulated straight bottle is mainly characterized by comprising a porcelain bottle body and a stand column located below the porcelain bottle body, wherein external threads are arranged on the lower half portion of the stand column; a screwing boss is fixed to the position above the external threads, and the screwing boss and the stand column are of an integrated structure; a fixing frame with an opening in the side face is arranged on the lower portion of the stand column; a locating hole with internal threads is formed in the upper portion of the fixing frame; the stand column is inserted into the locating hole. When an original straight bottle rusts or is damaged or falls off and an original stand column can not be removed due to rusting, the stand column is sawn off, a horizontal plate of a cross arm is sleeved with the fixing frame along the opening in the side face of the fixing frame, the stand column is inserted in the locating hole, the lower end of the stand column abuts against the horizontal plate of the cross arm, and a lower plate of the fixing frame presses the lower surface of the horizontal plate of the cross arm tightly under the action of the stand column after the stand column is tightened; in this way, when a threaded hole can not be formed in the cross arm, a hole does not need to be drilled in the cross arm additionally, and replacement is more convenient and faster.

The invention discloses a front bearing box. The front bearing box comprises a high-pressure hydraulic servo-motor and a supporting structure thereof; the high-pressure hydraulic servo-motor adopts ananti-wear oil control system, and the anti-wear oil control system comprises an EH oil station and anti-wear oil; the supporting structure comprises a bottom plate, a bearing block and a front bearing box side plate, and the outer side of the bearing block is provided with a stepped surface; and the supporting structure further comprises a supporting vertical plate and a supporting transverse plate, the lower end of the supporting vertical plate is fixed to the bottom plate, the supporting transverse plate is fixed to the upper end of the supporting vertical plate, and the upper surface of the supporting transverse plate is provided with an installing hole. Compared with the prior art, the front bearing box has the advantages that the high-pressure hydraulic servo-motor supporting structure is directly arranged on the bottom plate of a lower half box body of the front bearing box and takes the bottom plate as a part of the own structure, the structure is simple, the strength is high,few materials are used, the supporting structure can simultaneously serve as a cat claw support and a base of the hydraulic servo-motor, machining is easy and convenient, and the manufacturing cost islow.

The invention relates to an ammonia gas supply device. The ammonia gas supply device comprises a fixed storage tank for storing liquid ammonia, a heating covering sleeve and a cooling covering sleeve.The heating covering sleeve covers the outer surface of a lower half tank body of the fixed storage tank, the cooling covering sleeve covers the outer surface of an upper half tank body of the fixedstorage tank, and a liquid ammonia inflow and outflow part and an ammonia gas output part are arranged on one side edge of the fixed storage tank. The liquid ammonia inflow and outflow part can be externally connected with a liquid ammonia supply unit, and conveys the liquid ammonia into the fixed storage tank. The heating covering sleeve is connected with a heating supply unit, and introduces heating fluid, the liquid ammonia stored in the fixed storage tank is gently heated through the heating fluid flowing through the heating covering sleeve, and ammonia gas stably generated after heating can rise to the top end of the fixed storage tank and be conveyed to an ammonia gas use unit through an ammonia gas collecting pipe arranged at the top end of the fixed storage tank and the ammonia gasoutput part. The use safety of the ammonia gas can be improved, and the production cost of the ammonia gas and the influences on environments can be reduced.

The invention discloses an anti-explosion LNG thermal insulation tank. The anti-explosion LNG thermal insulation tank aims to solve the problems that after LNG cold preservation tanks are leaked, explosion is easily caused, and the human body and the property are greatly damaged. The anti-explosion LNG thermal insulation tank comprises a cold preservation tank body and an installation table, a buffer cylinder and a closed cylinder are sequentially arranged on the outer side of the cold preservation tank body, a plurality of air holes are formed in the side wall of the buffer cylinder, S-shaped rotating blades are rotatably connected in the air holes, the upper half parts of the rotating blades protrude inwards in an arc mode, the ends of the upper half parts of the rotating blades are close to the inner edges of the upper ends of the air holes, the lower half parts of the rotating blades protrude outwards in an arc mode, the ends of the lower half parts of the rotating blades are close to the outer edges of the lower ends of the air holes, the lower end of the closed cylinder is tightly connected with an exhaust pipe, an exhaust hole communicating with the exhaust pipe is formed in the lower end of the closed cylinder, a sealing disc covers the lower end of the closed cylinder and tightly covers the outer end of the exhaust hole, a pull spring is connected between the sealing disc and the lower end of the buffer cylinder, a buffer pit is formed in the ground below the installation table, the lower end of the exhaust pipe extends to the bottom of the buffer pit, and buffer branches are buried in the buffer pit.

The invention belongs to the technical field of daily use articles and particularly discloses a water cup with warming and cooling functions. The invention mainly solves the problems that existing vacuum cups and water cups are simplex in function and cannot well meet the needs of people. The technical scheme adopted by the invention includes that the water cup with the warming and cooling functions comprises a cup body and a cup lid arranged on the top of the cup body, wherein a heat preservation layer is arranged on the lower half part of the cup body, a heat insulating layer is arranged on the upper part of the heat preservation layer in the cup body, a straw is arranged in the cup body, the lower end of the straw is arranged at the bottom of the cup body, the upper end of the straw penetrates through the heat insulating layer to extend to the upper part of the cup body, and a pressure spring and a handle are arranged on the upper art of the straw. The water cup with the warming and cooling functions has the advantages of simple structure and convenience in use.