63results about How to "Beautifully furnished" patented technology

The invention relates to an integrated system special for a pure electric passenger vehicle. The integrated system includes a driving motor, a single-stage gearbox and a motor controller. The drivingmotor and the motor controller are fixed and mounted on the two sides of the single-stage gearbox correspondingly. The motor controller and the driving motor are connected through a three-phase line.The single-stage gearbox is provided with a through hole groove and an insulator. The three-phase line is arranged in the through hole groove and fixed through the insulator. By means of the integrated system, the space utilization of an engine cabin can be improved, and electromagnetic interference caused by the too long three-phase line is reduced, so that the layout of the engine cabin is morereasonable, ordered and beautiful.

The invention discloses an integrated power system of an electric automobile. The system comprises an upper casing, an intermediate casing and a lower casing which are successively connected from top to bottom, wherein the upper casing is internally provided with a high-voltage conjunction box and a VCU (vehicle control unit), a motor controller is arranged in the intermediate casing, a vehicle-mounted charger and a DC-DC module are arranged in the lower casing, the end surface of the bottom of the intermediate casing is provided with a cooling water channel, and a water inlet and a water outlet of the cooling water channel are led out of the intermediate casing. According to the invention, a housing is divided into three cavities, five major parts are reasonably distributed to the three cavities, while normal connection and operation of each part are guaranteed, there are abundant space for vehicle arrangement, and the vehicle arrangement is more beautiful; and the cooling water channel is arranged between the intermediate casing and the lower casing, the motor controller, the DC-DC module and the vehicle-mourned charger share the cooling water channel, and the three are cooled during work so that normal operation of the three is guaranteed.

The invention provides an air conditioning device and a control method thereof. The control method controls the air conditioning device to perform refrigeration or heating. The air conditioning devicecomprises an indoor unit, wherein the indoor unit comprises a shell and an indoor heat exchange device arranged in the shell, the indoor heat exchange device comprises a radiation heat exchange assembly, the radiation heat exchange assembly is provided with a radiation heat exchange surface which is arranged in a vertical direction and is used for outward radiation heat exchange, the radiation heat exchange surface is used as a side surface of the shell, and a first air port for downward discharging air to sweep the radiation heat exchange surface is formed in the upper part of the shell.

This invention relates to cooking utensils technology field, especially a stainless steel plate integral combustor. It includes combustor superior body, combustor inferior body, main flame jet pipe, center small flame jet pipe. The combustor superior and inferior bodies are pressed into sections, which includes peripheral conical plate shaped part, center projection shaped part, transition part with air holes and riveting rim riveted by main jet pipe superior and inferior covers and combustor superior and inferior bodies. The center has fuel gas inlet hole, which is communicated to the center small flame jet pipe. The entries of main flame jet pipe and center small flame jet pipe are at the same plane. They are connected by fixed air adjusting plate which rivets with a valve body nozzle. The center fuel gas inlet hole of combustor inferior body and center small jet pipe are plugged connected. The combustor inferior body is arranged with combustor fixing support that is fixed on the bottom of combustor inferior body by self-tapping screw. This invention is simple and convenient.

The invention relates to a wiring harness connector of a gearbox. The wiring harness connector comprises a cylinder through connector and connectors, wherein the cylinder through connector is internally provided with a terminal block, wiring harnesses are connected between the terminal block and the connectors, one end of each wiring harness is connected with the terminal block, the other ends of the wiring harnesses are connected with the corresponding connectors respectively, the connectors are fixedly arranged on a hydraulic valve plate in the gearbox, the lengths of the wiring harnesses are corresponding to the distances between the corresponding connectors and the terminal block respectively, and the length of the wiring harness can be used for spacing, so that the wiring harness connector is convenient to assemble and avoids installation dislocation; the wiring arrangement is reasonable and attractive, and the wiring harnesses are convenient to assemble; the wiring harnesses and the terminal block are in one-to-one correspondence, thus being easy to detect and convenient to maintain and upgrade; a sealing ring and a fixed ring are sheathed at the periphery of the cylinder through connector, and the cylinder through connector is fixedly connected with the shell of the gearbox, so that the sealing performance is good.

The invention relates to an evaporative cooling method and equipment with an air exhaust function and a cooling capacity recovery function. An air supply pipe and an air exhaust pipe are integrated into a dual-layer pipeline or an integrated double pipeline to be communicated with the equipment and a cooled place, and therefore airflow opposite in air outlet direction and airflow opposite in air return direction can flow in the pipeline at the same time. The thickness of a heat exchanger is small, and the size, in the width direction, of a system is greatly lowered. The two ends of a fan motor are each provided with an axial flow fan blade, and therefore the overall cost is reduced, and the inner structure is compact. The ball wetting efficiency is high and can be 95%-115%. Therefore, according to the equipment with the volume similar to that of an evaporation air conditioner in the prior art, on the premise of increasing little cost, the air exhaust function and the cooling capacity recovery function are additionally added. An additional air exhaust system does not need to be arranged on a building envelope structure like the existing evaporation air conditioner, the system structure is compact, pipeline arrangement is attractive, and the engineering cost is low.

The invention relates to the technical field of ships, and discloses a ship deck blowdown system. The deck is a horizontal deck, a plurality of mounting grooves are formed in the deck; a floor drain group is arranged in each mounting groove; the floor drain set comprises a plurality of floor drains arranged in a line and a water collecting pipe communicated with each floor drain. The two groups ofpollution discharge mechanisms are respectively arranged on the larboard and the starboard; each group of sewage discharging mechanism comprises a sewage well, a water-oil separator, an oil stain detector, a water discharging pipe, an oil discharging pipe and a liquid discharging pipe; two ends of the water collecting pipe are respectively connected with the two sewage wells; the sewage well is connected with the water-oil separator, a first control valve is arranged at the liquid outlet end of the sewage well, the water outlet end of the water-oil separator is connected with a drain pipe provided with a second control valve, the oil outlet end of the water-oil separator is connected with an oil drain pipe, the oil stain detector is arranged on the drain pipe, and the drain pipe is connected with the oil drain pipe through a liquid drain pipe provided with a third control valve. By the adoption of the device, sewage on a deck can be efficiently discharged, and pipeline installation isfacilitated; and the discharged sewage is ensured to meet the standard.

The present invention discloses a flue gas treatment system for ceramic production. The flue gas treatment system comprises a boiler, a denitration system, a desulfurization system, a heat exchanger,a chimney and a gas source; the boiler, desulfurization system, and chimney are sequentially connected by pipelines; flue gas is desulfurized by the desulfurization system and denitrated by the denitration system; denitration spray heads spray a reducing agent prepared in a reducing agent preparation module into the boiler to remove nitrogen oxides in the flue gas generated by the boiler; the heatexchanger is arranged in a flue inlet heat exchange section and a flue outlet heat exchange section; heat of raw flue gas not subjected to desulfurization by a desulfurization tower is transferred tonet flue gas subjected to the desulfurization by the desulfurization tower via the heat exchanger; liquid water carried by the net flue gas is converted into gaseous water, thereby achieving an effect of eliminating white smoke. The flue gas treatment system organically combines the three purification devices for the denitrification, desulfurization and white smoke elimination together, is simplein structure, low in operation cost and good in desulfurization and denitration effects, and reduces environmental impacts in the ceramic production.

The invention discloses a forklift head device and a three-way forklift. The forklift head device comprises a carriage assembly which is connected with a forklift body; a bridge frame assembly, wherein the bridge frame assembly is of a box body structure, one end of the bridge frame assembly is connected with the carriage assembly in a sliding mode, the other end of the bridge frame assembly is rotationally connected with an auxiliary lifting frame assembly comprising guide rail channel steel, and the bridge frame assembly provides axial and radial support for the auxiliary lifting frame assembly; and a pallet fork assembly, wherein the pallet fork assembly is arranged on the auxiliary lifting frame assembly in a liftable mode through idler wheels, and the pallet fork assembly and the auxiliary lifting frame assembly are kept to rotate synchronously. According to the forklift head device and the three-way forklift, the auxiliary lifting frame assembly with a rotating function is arranged, so that the pallet fork assembly can ascend and descend along the auxiliary lifting frame assembly and keeps rotating synchronously with the auxiliary lifting frame assembly, and the three-way forklift can adapt to more complex working conditions; and meanwhile, the lateral movement and rotation actions are driven by a gear motor with an electromagnetic brake and an electric cylinder, the actions are stable and impact-free, the control precision is high, the energy consumption is lower, and energy conservation and environmental protection are achieved.

The invention provides a full-automatic busbar lifting frame hydraulic system capable of effectively reducing the return oil back pressure. The full-automatic busbar lifting frame hydraulic system capable of effectively reducing the return oil back pressure comprises a set of motors (1), the set of motors (1) drive a set of double series hydraulic pumps (3) through a set of couplers / bell jars (2),oil suction pipes jointly suck oil from a hydraulic oil tank (7), high-pressure oil passes through a control integrated valve set (10) after passing by a pump control valve set (11), and accordinglydouble-direction rotation of a hydraulic motor (6) is achieved. Rotation and stopping of the hydraulic motor (6) can be achieved through on and off of a two-way electromagnetic valve (10.1) mounted onthe integrated valve set (10) in an inserted mode, and a return oil filter (9) is further arranged in a return oil pipeline of the system. The system is more integrated and intelligentized, the manufacturing cost and the layout space are saved, the problem of high return oil back pressure is solved, and the system is enabled to be simpler and more compact.

The invention discloses a liquid flow through telescopic cylinder, which comprises a cylinder, a liquid inlet pipeline, a cylinder fixing base and a cylinder end cover, wherein a piston rod is arranged in the cylinder and the liquid inlet pipeline respectively; the outer wall of the piston rod is provided with a piston which is arranged in the cylinder; the cylinder fixing base is connected with the liquid inlet pipeline; the piston rod in the liquid inlet pipeline is provided with at least one seal ring, and one end of the piston rod is connected with a liquid outlet pipe orifice; and the cylinder fixing base and the cylinder end cover are provided with an air inlet and an air outlet. The liquid flow through telescopic cylinder has the advantages of low manufacturing cost, wide cleaning range, small occupied space, high working efficiency, simple and convenient arrangement, and beautiful appearance.

The invention relates to a pipe fixing device with multiple holes, which comprises an upper pipe clamp and a lower pipe clamp, wherein the lower pipe clamp is fixedly connected on a motor casing. First pipe clamp holes are formed between the upper pipe clamp and the lower pipe clamp, a plurality of second pipe clamp holes are uniformly arranged on the top of the upper pipe clamp, a reinforcing rib is arranged between a fixed plate at the right end of the lower pipe clamp and a bottom plate perpendicular to the fixed plate, and two mounting holes are arranged on the fixed plate at the right end of the lower pipe clamp above the reinforcing rib. The pipe fixing device has the advantages that assembling space is reduced and the pipe clamp structure is simplified since the upper pipe clamp and the lower pipe clamp are assembled independently. Compared with the existing pipe clamps, the upper pipe clamp and the lower pipe clamp have supporting functions, an original fixed support is omitted, and the arrangement of a cabinet is more attractive, and six pipelines can be fixed and supported in a smaller space and then can be assembled and maintained conveniently.

The invention provides a spray pipe throat channel segment water cooling structure comprising a spray pipe internal wall, an external shell, a cooling water inlet water collection ring, a cooling water outlet water collection ring, small supports, a clamping block and a blocking circle. The clamping block is wrapped on the spray pipe internal wall. A cooling water channel is formed between the spray pipe internal wall and the clamping block. The rear end along an airflow direction of the spray pipe internal wall is connected with the external shell via the blocking circle. The cooling water inlet water collection ring and the cooling water outlet water collection ring are annular rings surrounding the external shell and are respectively configured on the front end along the airflow direction of the external shell and circumference of the external side of the rear end. The cooling water inlet water collection ring is connected with the external shell via water inlet pipes which are circumferentially and evenly distributed on the cooling water inlet water collection ring. The cooling water outlet water collection ring is connected with the external shell via water outlet pipes which are circumferentially and evenly distributed on the cooling water outlet water collection ring. The cooling water inlet water collection ring and the cooling water outlet water collection ring are connected with the foundation via the small supports configured below the cooling water inlet water collection ring and the cooling water outlet water collection ring respectively. The spray pipe throat channel segment water cooling structure is great in cooling effect, and the requirement of a hypersonic speed low-density wind tunnel blowing test can be met. Besides, the structure is simple, dismounting is convenient and cost is saved.

The invention relates to a double-starting flywheel housing which comprises a flywheel housing part, a flywheel and two starting motors, wherein the flywheel is mounted in the flywheel housing part. The double-starting flywheel housing is characterized in that the two starting motors are mounted on the both sides of the flywheel housing part respectively. The double-starting flywheel housing has the advantages that the two motors are mounted on both sides of the flywheel housing part; a single-pivot generator can be connected with a diesel engine; a double-pivot generator can also be connected with the diesel engine through a high elastic coupling; the transmission efficiency of a single-pivot connecting type is higher than the efficiency of the elastic coupling; space cannot be interfered as the two motors are mounted on both sides; and the layout of an air starting line is convenient and attractive.

The invention discloses a device and a method for bending an F rail for magnetic levitation. The device comprises a headstock (1) for supporting, an upper roller (2) arranged on the headstock (1) androtating relative to the headstock (1), a lower roller (2) rotating relative to the headstock (1) and moving relative to the upper roller (2), a right roller (4) rotating relative to the headstock (1)and moving relative to the upper roller (2) and a left roller (5) rotating relative to the headstock (1) and moving relative to the upper roller (2). The right roller (4), the lower roller (3) and the left roller (5) are distributed along an arc-shaped line. The F type steel rail is clamped through the upper roller (2) and the lower roller (3); a bending action force is generated to the F type steel rail through the right roller (4) and the left roller (5); and extending and shrinking action forces are generated to the F type steel rail through the upper roller (2), the lower roller (3), theright roller (4) and the left roller (5). The F type steel rail is no longer straightly corrected manually or bended to deform, so that peristaltic wrinkles are prevented from being generated on the side part of the F type steel rail, and therefore, the deformation quality of the F type steel rail is improved.

The invention relates to a chip high-temperature voltage-measuring and sorting system comprising a base; two shuttle devices arranged side by side in the front-rear direction on the upper end of the base; a plurality of high-temperature voltage-measuring devices arranged in front of the shuttle devices; a plurality of high-temperature heating devices behind the shuttle devices; a feeding and receiving device opposite to the left ends of the shuttle devices; a material taking and releasing device provided with at least one adsorption component above the one end of the feeding and receiving device and the shuttle devices; and a test transposition device provided with a plurality of adsorption components above the shuttle devices, the high-temperature voltage-measuring devices, and the high-temperature heating devices. The chip high-temperature voltage-measuring and sorting system is suitable for high-temperature voltage measurement and sorting of the chips.

The invention provides a full-automatic anode busbar lifting frame hydraulic system realizing energy saving. A motor (1), a coupler / bell jar (2), a hydraulic pump (3), a reversing valve (5), a hydraulic motor (6) and a hydraulic oil tank (7) of the system are connected through pipelines and joints which are used for connecting hydraulic components; the motor (1) is used for driving the hydraulicpump (3) to feed a hydraulic oil pump in the hydraulic oil tank (7) into a high pressure oil pipeline through the coupler / bell jar (2); the high pressure oil pipeline is connected to the reversing valve (5) and the hydraulic motor (6) in sequence; the reversing valve (5) is used for controlling the positive rotation or negative rotation of the hydraulic motor (6); and a pump outlet valve group (8) is also arranged in the high pressure oil pipe at the output side of the hydraulic pump (3). The system reduces the loss of energy sources, the failure rate of the components and the impact on equipment, realizes zero-load starting and improves the quality of products, the intellectualization, the integration and the intelligent operability of the products.

The invention provides a suspension frame of a medium-low speed magnetic levitation vehicle, and belongs to the technical field of manufacturing of medium-low speed magnetic levitation vehicles. The suspension frame of the medium-low speed magnetic levitation vehicle comprises longitudinal beams and anti-rolling beam assemblies, wherein the longitudinal beams are arranged on the left side and the right side correspondingly, a set of anti-rolling beam mounting seats are arranged on the two sides of the vertical center line of the inner side of each longitudinal beam correspondingly, and the anti-rolling beam assemblies are connected with the longitudinal beams through the mounting seats so as to form the suspension frame; and linear motors are located below the longitudinal beams. Boss structures serving as tenons are arranged in the positions, corresponding to the mounting seats, of the outer side faces of the longitudinal beams correspondingly, tenon holes matched with the boss structures on the outer side faces of the longitudinal beams are formed in the horizontal ends of supporting arms, the four surfaces of the supporting arms are each evenly provided with two rows of through holes, and the supporting arms are matched with the boss structures in a joggled mode and fixed through bolts. Vertical sliding sleds are arranged in the positions, close to the ends, of the inner side faces of the longitudinal beams correspondingly. The suspension frame is mainly used for manufacturing of the medium-low speed magnetic levitation vehicle.

The invention discloses an oil return rail. The oil return rail comprises an oil return rail main body which is in a tubular shape and an oil pipe connector; the oil return main body is provided with a pipe chamber which is served as an oil return rail main body oil channel; the lateral wall and two ends of the oil return rail main body are provided with oil passing openings which are communicated with the pipe chamber; an installation boss is arranged on the lower lateral wall of the oil return rail main body; the oil pipe connector is provided with an axial internal threaded hole which is in threaded connection with a pipe nut of a fuel oil return pipe in a matching mode; the oil pipe connector is correspondingly fixed on the lateral wall of the oil return rail main body and the oil passing openings at two ends by welding. The oil return rail has the advantages of being convenient to install, reducing production takt, improving the assembling quality and the fuel oil system reliability, enabling an integral machine to be attractive in arrangement and being easy to popularize and use; being strong in universality, shortening the product development period and reducing research and development costs; being stable in oil return pressure and well protecting a fuel system; reducing the number of special purpose parts and accordingly reducing manufacturing costs, purchasing costs and inventory management costs.

A height-adjustable fabricated concrete composite floor slab comprises angle steel, a flexible material, a steel bar truss, an L-shaped lead screw, concrete and nuts. A component A1 is poured throughthe concrete and the steel bar truss jointly. The flexible material is pasted on one side of the short edge of the angle steel to constitute a component A2, holes are reserved in the corresponding positions of the component A1 and the component A2, and the component A1 and the component A2 are manufactured in a factory. A vertical rod of the L-shaped lead screw on site penetrates through the holesin the component A1 and the component A2 and is screwed down through the nuts, and a cross rod is hung on the upper surface of a beam. The height of a prefabricated slab is adjusted by adjusting thenuts on the lead screw to ensure that the lower surfaces of all the floor slab bodies are flush, and the assembly problem caused by the uneven surfaces of the concrete components is solved. Part of the beam height is invisible through the connecting mode, and thus spatial arrangement of the structure is more flexible and more beautiful. The angle steel and the prefabricated slab serve as a bottomformwork, a gap is filled with the flexible material, and formwork erecting pouring of post-pour layers of the composite floor slab bodies is facilitated. Bonding force of new and old concrete layersis increased through the steel bar truss in the prefabricated slab, and the overall performance of the composite floor slab bodies is improved.

The invention provides a prefabricated concrete composite floor slab with adjustable height. The prefabricated concrete composite floor slab comprises angle steels, soft material, a steel bar truss, L-shaped screw rods, concrete and nuts. The concrete and the steel bar truss are jointly poured in a factory to form a component A1 with holes in both sides, and slotting hole angle steels are placed at the bottom of the component A1 in a hole-aligned mode. Vertical rods of the L-shaped screw rods on the site penetrate through the component A1 and holes of the angle steels and are tightened by nuts, and cross bars are hung on the upper surfaces of beams during lifting. After lifting, the height of the prefabricated floor slab is adjusted by adjusting the nuts on the L-shaped screw rods, the relative position of floor slabs and the beams is adjusted, it is ensued that the surfaces of the floor slabs are flush, and the assembly problem caused by the uneven surface of a concrete component is solved. The prefabricated slab and the angle steels serve as a bottom formwork, gaps are filled with the soft material to prevent slurry leakage, and pouring of a post-poured layer is facilitated. Partof the beam height is invisible from the floor slab, and the clear height of a structural layer is increased. The steel bar truss in the prefabricated floor slab enhances the adhesion of new and oldpouring layers, and the integrity of the prefabricated concrete composite floor slab is improved.

The invention relates to a chip pressure measurement device. The device comprises a substrate and a plurality of pressure measurement devices, wherein each pressure measurement device comprises a pressure measurement seat connected with the lower end of the substrate, a containing slot arranged at the upper end of the pressure measurement seat and communicated with two ends of the pressure measurement seat, a guiding through hole arranged on the bottom surface of the containing slot and communicated with the lower end of the pressure measurement seat, a pressure head penetrated in the guidingthrough hole and adapted to the guiding through hole, a lifting block arranged in the containing slot and connected with the upper end of the pressure head, at least one adjustment screw, screw holesarranged at the upper end of the lifting block, same as the adjustment screws in the aspect of number and corresponding to the adjustment screws one by one, hang spring through holes formed in the substrate, same as the adjustment screws in the aspect of number and corresponding to the adjustment screws one by one, and a pressure spring group arranged between the upper end of the lifting block andthe lower end of the substrate; the lower end of the adjustment screws pass through the hang spring through holes to be screwed with the screw holes; and the width of the lifting block is adapted tothe width of the containing slot. The chip pressure measurement device is relatively good in pressure measurement stability, relatively high in pressure measurement efficiency and relatively low in cost.

The invention discloses a non-conventional winding system for a high-multiplying-power bridge crane. The system comprises a winding barrel, a fixed pulley block, a balanced pulley block, a movable pulley block and a steel wire rope, which are arranged from top to bottom, wherein a rope unwinding end and a rope winding end of the steel wire rope are fixed at two sides of the winding barrel respectively; a rope unwinding section of the steel wire rope sequentially winds around rope unwinding pulley combinations in the movable pulley block and the fixed pulley block in a mutual staggering manner;a rope winding section of the steel wire rope sequentially winds around rope winding pulley combinations in the movable pulley block and the fixed pulley block in the mutual staggering manner; the steel wire rope is located at a transition section between the rope unwinding section and the rope winding section and winds around the balanced pulley block. According to the non-conventional winding system disclosed by the invention, hoisting tonnages are improved through the increasing of multiplying power of the pulley blocks; the maximum deflection angle of an unwinding barrel of the steel wirerope is reduced through improving a rope winding manner, a transverse force on a side wall of a winding barrel rope groove is reduced, the abrasion of the steel wire rope is reduced, the safety and reliability of hoisting are improved and the winding problem of the high-tonnage and high-multiplying-power bridge crane is solved; the non-conventional winding system has the characteristics of economical efficiency, practicability, novelty and the like.

A spindle seal pressure steel pipe side water supply pipeline of a water turbine unit comprises a left-side water supply pipe and a right-side water supply pipe; an electric valve and a main water taking valve are mounted on the right-side water supply pipe; an intermediate flange, a pressure relief protection valve, a safety valve and a connecting valve are mounted on the left-side water supply pipe; the pipeline is characterized in that a circular pressure reducing pipe is connected between the left-side water supply pipe and the right-side water supply pipe through a flange; the circular pressure reducing pipe is limited by a plurality of positioning clips for preventing the circular pressure reducing pipe from extending outwards and is mounted on a suspending supporting body; and a filter is mounted on the right-side water supply pipe and is located between the main water taking valve and the electric valve. Pipeline vibration caused by pressure adjustment can be eliminated or reduced with the spindle seal pressure steel pipe side water supply pipeline, and the phenomenon of sediment blockage inside the pipeline is eliminated. According to the pipeline, transformation is performed on the basis of existing equipment layout, the work quantity is small, and the transformation cost is saved.

The invention discloses a car tail lamp strengthening structure capable of preventing car body interference and further discloses a manufacturing method of the car tail lamp strengthening structure capable of preventing car body interference. The car tail lamp strengthening structure comprises a lamp shell and a lampshade. The lamp shell is sleeved with the lampshade. A plurality of positioning grooves are evenly formed in the edges of the two sides of the lamp shell; the groove faces of the positioning grooves are parallel to the mounting face of the lamp shell and connected with the bottom faces of compressible bosses in an attached mode; the top faces of the compressible bosses are parallel to the groove faces of the positioning grooves; and the thickness of each compressed compressibleboss is equal to the minimum clearance between the lampshade and a car body side wall plate. The positioning grooves and the compressible bosses are designed through a CAE analysis method; when the clearance is decreased due to the surface difference, the component error and the mounting deviation between a tail lamp assembly and the car body side wall plate, the compressible bosses replace the lampshade to make contact with the car body side wall plate; and the thickness of each compressible boss compressed to the largest extent is equal to the minimum clearance between the lampshade and thecar body side wall plate, and thus the lampshade and the car body side wall plate do not interfere with each other.

The invention provides a rotatable support mechanism of a thermal load test bench. The rotatable support mechanism comprises a test bench main body framework, a test bench rotation support mechanism, a support framework and a cooling water supply mechanism. The test bench rotation support mechanism comprises a left rotation support mechanism and a right rotation support mechanism which are respectively fixedly installed on left and right sides of the upper surface of the test bench main body framework. The left rotation support mechanism and the right rotation support mechanism are fixedly connected with two ends of the support framework respectively. According to the invention, thermal fatigue testing of different to-be-tested pieces can be achieved; through exchange of the support framework, support for to-be-tested pieces of a cylinder cover and a piston can be achieved, and test requirements of to-be-tested pieces with different cylinder diameters can be also achieved; through the overturn function, it can be achieved that during a test, the thermal power of the to-be-tested piece id downwards, and the combustion flame is upwards, and it can be achieved that after the thermal power of the to-be-tested piece is backwards, the gas upwards washes an air flue, and comprehensive and real simulation of working states of the to-be-tested piece can be achieved; and it can be achieved that cooling water is provided through a rotation shaft.

The invention relates to an integral type multi-way valve. The integral type multi-way valve comprises an oil inlet valve joint (1), a plurality of working valve joints (2) and an oil return valve joint (4), wherein the plurality of working valve joints (2) are arranged between the oil inlet valve joint (1) and the oil return valve joint (4); the oil inlet valve joint (1), the working valve joints (2) and the oil return valve joint (4) form an integral type structure; the oil inlet valve joint (1) is provided with an oil inlet P(7), and the oil return valve joint (4) is provided with an oil return opening T(5); and each of the plurality of working valve joints (2) is provided with two working oil openings A(6) and B(3). The integral type multi-way valve is characterized in that a hydraulic lock (8), a pressure compensation flow control valve (11) and a reversing valve rod assembly (13) are sequentially arranged in each working valve joint (2) from the top to the bottom. The integral type multi-way valve has the advantages that flow and pressure distribution is reasonable, energy is saved, emission is reduced, and the phenomena of barrel tossing, engine extinguishing and cylinder collision are effectively solved.

The invention discloses a multi-stage and multi-section combined type chemical engineering high-difficulty wastewater zero-discharge treatment system, which is characterized in that wastewater in a water collecting tank is lifted into an advanced catalytic oxidation system through a sewage lifting pump; after a catalytic oxidation reaction, part of macromolecular refractory organic matters are oxidized into easily degradable organic matters; pH value adjusting and flocculating agent adding are performed to carry out coagulating sedimentation; effluent and domestic sewage in a factory flow intoa biochemical regulating tank together, and then are lifted to a UASB anaerobic tower by an anaerobic water inlet pump; a part of organic matters is removed through anaerobic microorganism treatment;then the obtained wastewater enters an A / O biochemical system, and most of remaining organic matters are degraded by anoxic and aerobic microorganisms; and the wastewater is precipitated and enters aFenton oxidation system to further remove part of refractory organic matters of the microorganisms, and finally the produced water treated by an ultrafiltration system and a reverse osmosis system iscontinuously recycled to a chemical production system. The system is simple in structure, reasonable in design, low in cost and capable of realizing advanced treatment and zero emission of chemical wastewater.

A height-adjustable assembly-type prefabricated concrete composite floor slab comprises angle steel, steel bar trusses, L-shaped screw rods, concrete and nuts. A component A1 is composed of the anglesteel, the concrete and the steel bar trusses jointly, and holes are reserved in the two sides of the beam direction of a prefabricated plate; the component A1 is manufactured in a factory and assembled on site in a lifted mode; transverse rods of the L-shaped screw rods are hung on the upper surface of a beam, and vertical rods penetrate through the holes in the prefabricated plate and are screwed through the nuts; after lifting, the height of the prefabricated plate can be adjusted by adjusting the nuts on the L-shaped screw rods, the relative positions of floor slab bodies and the beam areadjusted, it is guaranteed that the lower surfaces of all the floor slab bodies are flush, and the lifting problem caused by the uneven surface of a concrete composed is solved; through the connectingmode, part of the beam depth is hidden, and the clear height of a structural layer is increased; the adhesive force of new and old concrete layers is increased through the steel bar trusses in the prefabricated plate, and the overall performance of the composite floor slab is improved; and the prefabricated plate and the beam are lifted on site through the L-shaped screw rods and the nuts, and the height-adjustable assembly-type prefabricated concrete composite floor slab conforms to the concept of assembly-type buildings.

The invention discloses a multifunctional cable trench with high safety performance, which comprises a cable trench body, and is characterized in that the interior of the cable trench body is dividedinto a power cable wiring area and a control cable wiring area, and the power cable wiring area and the control cable wiring area are distributed on the side wall of the cable trench body in an up-and-down space; according to construction requirements, a single-control-cable single-force-cable cable trench structure, a double-control-cable single-force-cable cable trench structure and a double-control-cable double-force-cable cable trench structure can be formed through division of the power cable wiring area and the control cable wiring area. On the basis of a traditional prefabricated cabletrench, a low-voltage power cable subarea is additionally arranged; according to the number of the control cables and the power cables and the trend characteristics of the cables, different types of single-control-cable single-force cables, double-control-cable single-force cables, double-control-cable double-force cables and the like can be flexibly selected, so that the requirements of differentuse scenes are met.