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41results about How to "Realize reasonable arrangement" patented technology

Automatic measurement system for lockage vessel and vessel shape measurement method

The invention discloses an automatic measurement system for a lockage vessel and a vessel shape measurement method. The automatic measurement system comprises a data processing sub-system, and an over-water cross section measuring sub-system, an underwater cross section measuring sub-system, a vessel length measuring sub-system and a water level measuring sub-system connected with the data processing sub-system. According to the automatic measurement system for the lockage vessel and the vessel shape measurement method, shape parameters of the vessel are comprehensively measured through system integration, the automatic vessel shape data gathering is realized, the length, width, moulded depth and draft of the vessel are obtained through calculation, the three-dimensional model, key parameters of gross ton, displacement and the like of the ship are automatically generated, the disadvantages of the manual measurement are solved, the manpower, material resource and vessel measurement time are greatly saved, the navigation efficiency is greatly improved, the ultra-deep vessel can be monitored automatically, and the channel safety is guaranteed; through combining with a lockage charging system, the automatic lockage charging can be realized, basis is provided for the administrative department to collect lockage toll when the vessel passes a lock, and the working efficiency of the administrative department for the lock and the lockage efficiency of the vessel are improved.
Owner:京杭运河江苏省交通运输厅苏北航务管理处 +1

Detachable multifunctional electric wheelchair bed

The invention discloses a detachable multifunctional electric wheelchair bed. The detachable multifunctional electric wheelchair bed comprises a bed body and a wheelchair, wherein the bed body comprises a frame, a bed board, guide rails, armrests, rails and wheels. A wheelchair body comprises a backrest, armrests, a folding table, backrest electric push rods, a wheelchair seat plate, a wheelchairframe, wheelchair base electric push rods, leg supporting electric push rods, foot connecting electric push rods, leg supporting plates, foot supporting plates and chair wheels. According to the detachable wheelchair bed, the bed body can be separated from the wheelchair; the functions of all the parts are achieved through opening and closing of electromagnetic pins; a motor and a rod machine aresupported by power, so the wheelchair bed can be freely converted to realize nursing bed functions such as leg bending, back supporting and rollover and a function of supporting eating; the multifunctional wheelchair bed has the functions of a conventional wheelchair while meeting daily behavior requirements such as supination, sitting up, leg bending and leftward and rightward rollover; after thewheelchair is separated from the nursing bed, the bed can still be used.
Owner:HEBEI UNIV OF TECH

Feeding device of inclined-bottom heating furnace

The invention discloses a feeding device of an inclined-bottom heating furnace, which solves the problem that the current equipment has high worker labor intensity, low work efficiency and high safety hazard. The feeding device of the inclined-bottom heating furnace comprises a feeding elevation stand (16) and a feeding inclined stage (15) arranged on the left side of a furnace door of an inclined bottom furnace (25); storage inclined stages (1) are respectively arranged on the ground under the left side of the feeding elevation stand (16); an elevating chain (11) and a pusher dog (12) are arranged between an upper chain wheel (10) and a lower chain wheel (8); a vertical post (19) and a transverse beam (20) are arranged on the feeding elevation stand (16); a spinning-hook cylinder (21) is arranged on the transverse beam (20); an output shaft of the spinning-hook cylinder (21) is connected with one end of a poking rod (23); and the other end of the poking rod (23) is fixedly connected with a poking hook (24). The feeding device of the inclined-bottom heating furnace has the advantages of high degree of automation, low worker' labor intensity and high work efficiency, and reduces the accident threat.
Owner:TAIYUAN TONGZE HEAVY IND

Regional geological disaster trend prediction method

The invention relates to the field of geological disaster prediction, in particular to a regional geological disaster trend prediction method, and the method comprises the following steps: S1, collecting historical data of a regional geological disaster, and obtaining basic geological disaster parameters including a geological disaster type parameter, a grade parameter, a spatial distribution parameter and a geological environment parameter before the disaster occurs; S2, training and obtaining a geological disaster trend prediction model / algorithm based on the geological disaster type parameters, the grade parameters, the spatial distribution parameters and the geological environment parameters before disasters occur; and S3, realizing prediction analysis of geological disasters in the region according to the current geological environment parameters based on a geological disaster trend prediction model / algorithm. The method can predict the geological disaster occurrence trend of theregion in a certain period of time in the future in advance, and is high in accuracy.
Owner:河北省地质环境监测院

Automobile silencer inlet pipe assembly and arrangement structure thereof

The invention discloses an automobile silencer inlet pipe assembly and an arrangement structure thereof. The automobile silencer inlet pipe assembly is formed by an inlet pipe, a first bellows, a connecting pipe, a second bellows and an outlet pipe which are connected in sequence. The inlet end of the inlet pipe is provided with a first flange used for being connected with a three-way catalytic converter, and the outlet end of the outlet pipe is provided with a second flange used for being connected with a silencer. The first bellows is arranged below an engine oil pan and a transmission shaft, and the second bellows is arranged above the rear of an auxiliary frame. According to the automobile silencer inlet pipe assembly, vibration generated by an engine and the silencer is effectively eliminated, reliability of a whole exhaust system is improved, and spatial safety distances of the exhaust system and parts such as the engine oil pan, the transmission shaft and the silencer and the heat damage requirements are met.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Distributed power supply double-layer planning method

The invention discloses a distributed power supply double-layer planning method. The method comprises: calculating the sensitivity of network loss to each node; selecting a node with high loss sensitivity as a candidate installation position of the distributed power supply and the reactive power compensation device; determining candidate installation positions of the section switches by adopting an island region division method; establishing an upper-layer model and a lower-layer model of the distributed power supply double-layer planning model; and solving the double-layer planning model of the distributed power supply to obtain the installation position and capacity of the distributed power supply, the installation position and capacity of the reactive power compensation device and the installation position of the section switch. According to the invention, the upper layer model optimizes the installation position and capacity of the distributed power supply, and the lower layer model optimizes the installation position and capacity of the reactive power compensation device and the installation position of the section switch, thereby achieving the optimization and coordination ofthe planning and operation of the distributed power supply. An island area division method is introduced, the installation position of the section switch is optimized, and the power failure loss is reduced to the maximum extent by utilizing a distributed power supply.
Owner:CHINA THREE GORGES UNIV

Layout determination method, structure and stamping manufacturing method of composite shape sheet

The invention discloses a layout determination method, a structure and a stamping manufacturing method of a composite shape sheet. The stamping manufacturing method comprises the steps of determining a material consumption control area according to a basic sheet shape line, a drawing sheet line and a drawing bead outer contour line; accomplishing design of a layout drawing of the sheet by the control area; using a serrated sheet for a sheet side which is located in the material consumption control area and perpendicular to a blanking feeding direction; using a common linear or arc sheet for a sheet side which is located outside the material consumption control area and perpendicular to the blanking feeding direction; and stamping and manufacturing the composite shape sheet according to a design drawing. The method is simple and high-efficiency; reasonable arrangement of the layout drawing of the sheet is realized by defining the material consumption control area of the sheet; material consumption in a stamping process is effectively reduced; and difficulty of the serrated sheet for production and debugging of a die is reduced.
Owner:DONGFENG MOTOR CORP HUBEI

Reaction pool of waste water biological treatment

The reaction pool for biological waste water treatment includes three pool units communicated via pipe, each pool unit is provided with aeration diffuser and stirrer, and the pool units in two ends has water inlet, water outlet, water draining weir and sludge draining outlet. Based on the features of biological waste water treatment combining alternate running and homogeneously blowing and aeration, the arranged heights of the aeration diffusers are regulated to balance the oxygen supply and realize the reasonable arrangement of the whole aeration system.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP

Preparation method of multi-component low-density glass bead prepreg cloth

The invention discloses a preparation method of multi-component low-density glass bead prepreg cloth, wherein the preparation method comprises the steps: carrying out spatial staggered arrangement on2-5 different specifications of glass beads in resin to press an adhesive film, and pressing the adhesive film on which the glass beads are arranged in a staggered manner into fiber cloth to obtain the multi-component low-density glass bead prepreg cloth. According to the preparation method of the multi-component low-density glass bead prepreg cloth, the density of the prepared glass bead prepregcloth is low; the ablation capability of the material is ensured, and meanwhile, the mechanical strength and the heat insulation effect are good.
Owner:HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL

Exhibition hall simulated teaching system and using method thereof

The invention relates to an exhibition hall simulated teaching system. The system includes an exhibition stand, a Lego experiment module, a display system, a check-in system, a 3D scanner, a server, and a human-computer interaction module. The display system includes a projector and an intelligent electronic display screen. The check-in system includes a fingerprint input module and a fingerprintverification module. The server is equipped with 3D-Max software. The human-computer interaction module is electrically connected to the server. The 3D scanner scans the Lego experiment module and the3D scanner is electrically connected to the server. The server is electrically connected to the intelligent electronic display screen. The intelligent electronic display screen is electrically connected to the projector. The check-in system is connected to a data storage module. The data storage module is connected to the server. The server is connected to a client through a communication module.The Lego experiment module includes a plurality of Lego blocks and is used for building an exhibition site. The exhibition hall simulated teaching system can simulate and demonstrate an exhibition hall layout drawing in advance, thereby finding out places that do not meet exhibition hall layout requirements and improving the places.
Owner:NANKAI UNIV

An automatic measurement system for a ship passing a lock and a method for measuring the shape of a ship

The invention discloses an automatic measurement system for a lockage vessel and a vessel shape measurement method. The automatic measurement system comprises a data processing sub-system, and an over-water cross section measuring sub-system, an underwater cross section measuring sub-system, a vessel length measuring sub-system and a water level measuring sub-system connected with the data processing sub-system. According to the automatic measurement system for the lockage vessel and the vessel shape measurement method, shape parameters of the vessel are comprehensively measured through system integration, the automatic vessel shape data gathering is realized, the length, width, moulded depth and draft of the vessel are obtained through calculation, the three-dimensional model, key parameters of gross ton, displacement and the like of the ship are automatically generated, the disadvantages of the manual measurement are solved, the manpower, material resource and vessel measurement time are greatly saved, the navigation efficiency is greatly improved, the ultra-deep vessel can be monitored automatically, and the channel safety is guaranteed; through combining with a lockage charging system, the automatic lockage charging can be realized, basis is provided for the administrative department to collect lockage toll when the vessel passes a lock, and the working efficiency of the administrative department for the lock and the lockage efficiency of the vessel are improved.
Owner:京杭运河江苏省交通运输厅苏北航务管理处 +1

Tunnel boring machine supporting cylinder joint vibration condition monitoring method

The invention provides a tunnel boring machine supporting cylinder joint vibration condition monitoring method and belongs to the technical field of tunnel boring machine underground construction real-time monitoring. According to the tunnel boring machine supporting cylinder joint vibration condition monitoring method, vibration measuring points are reasonably distributed at cutterhead supportingcylinder joints; vibration sensors and a wireless data transmission system thereof are utilized to obtain monitoring data; an indirect prediction model is put forward to indirectly predict a positionwhich is difficult to monitor; and therefore, the long-term monitoring and prediction of the vibration conditions of the supporting cylinder joints of the cutterhead system of a TBM (tunnel boring machine) can be realized and timely fed back to an operator, and the occurrence of unexpected accidents can be prevented, and it can be ensured that the TBM works safely and reliably.
Owner:STATE KEY LAB OF SHIELD & TUNNELING TECH +1

Rapid concentration and purification treatment device and method for hydrate sludge

The invention belongs to the technical field of sludge treatment, and particularly relates to a rapid concentration and purification treatment device and method for hydrate sludge. The device comprises a reaction kettle shell, an upper end cover, a refrigerant filling port, a pressure sensor, a temperature sensor, a sludge filling port, a fastening bolt, a gasket, a first hydrate storage tank, a second hydrate storage tank, a front baffle, a rear baffle, a support, a manual rocking handle, a horizontal linear lead screw, a first objective table, a sliding door, a right baffle, a refrigerant tank, a sludge residue storage device, a water pump, a second objective table, a centrifugal machine, a dissociation reaction kettle, a fixing device, a three-way connector, a first water outlet of the dissociation reaction kettle, a second water outlet of the dissociation reaction kettle, a purified water collecting tank, trundles, an intelligent controller, a positioner, a driver, a stepping motor, a control panel, a PC end, a coil pipe, an upper baffle, a filter screen, a sliding block, a clamping ring, a test tube, a heat preservation box, a safety valve and a liquid storage device. The device has the advantages of functional complementation, low energy consumption and high efficiency.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Refueling water tank inside containment of nuclear power plant

The invention discloses an in-containment refueling water storage tank for a nuclear power station. The refueling water tank comprises an inner ring pool located between a reactor pit of the nuclear power station and a secondary shielding wall, and a bearing floor located at the upper part of the inner ring pool, wherein an inner ring water return hole is formed in the bearing floor; an inner ring detaining basket corresponding to the inner ring water return hole is arranged in the inner ring pool; an inner ring reflux buffer pool is arranged between the inner ring water return hole and the inner ring detaining basket; an annular space is formed between the secondary shielding wall and the containment vessel of the nuclear power station; an outer ring pool is arranged at the lower part of the floor of the annular space; the outer ring pool is communicated with the annular space through an outer ring water return hole; an outer ring detaining basket corresponding to the outer ring water return hole is arranged in the outer ring pool; and the outer ring pool is communicated with the inner ring pool through a channel. Compared with the prior art, the in-containment refueling water storage tank has the advantages that the outer ring pool is arranged in the refueling water tank with the built-in containment vessel for the nuclear power station, so that the volume of the refueling water tank with the built-in containment vessel can be significantly improved; the water depth is reduced and the shock resistance of a reactor building is improved.
Owner:中广核工程有限公司 +1

Hollow bridge frame convenient to install and adjust

The invention discloses a hollow bridge frame convenient to install and adjust. The E hollow bridge frame comprises a bridge frame 1 and a bridge frame 2. A line-dividing device is fixed on the innerbottom surface of the bridge frame 1 and the bridge frame 2. A rolling groove is arranged on the bottom surface of one side of the bridge frame 2 near the bridge frame 1, and a rolling ball is installed on the bottom surface of one side of the bridge frame 1 near the bridge frame 2. The rolling ball is placed in the rolling groove. Fixing grooves are arranged on the inner walls of the front and rear ends of one side of the bridge frame 2 near the bridge frame 1. The bottom surfaces of the fixing grooves are provided with a clamping groove 1 respectively. The outer walls of the front and rearends of the bridge frame 1 close to the bridge frame 2 are provided with grooves. Clamping columns are slidably connected on the inner walls of the grooves. Springs are fixedly connected between the clamping columns and the bottom surfaces of the grooves, and the clamping columns are clamped and fixed in the clamping grooves 1. The inner top surfaces of the fixing grooves are also provided with circular arc grooves. The bridge frame has good adjustability and can realize flexible adjustment of length and angle is convenient to fix after adjustment and greatly reduces labor cost.
Owner:ANHUI AUTOMATION INSTR

A motorcycle engine cylinder head with valve seat cooling oil passage

The invention discloses a motorcycle engine cylinder head with a valve seat cooling oil passage. The cylinder head is provided with an exhaust valve seat, a spark plug hole, a camshaft installation hole, and a chain room. The exhaust valve seat shown It is connected with the cylinder head with an interference fit, and it is characterized in that an oil passage is set on the cylinder head, the oil inlet of the oil passage is close to the position of the exhaust valve seat 3, the oil passage passes near the spark plug, and the oil passage and the cam The shaft mounting holes communicate with each other, and the oil passage cools the exhaust valve seat, the spark plug and the camshaft sequentially through the oil passage, returns the oil to the chain chamber, and then returns to the crankcase. In the present invention, an oil passage is arranged near the exhaust valve seat of the cylinder head, and the oil passage passes near the spark plug, so that the engine oil not only cools the exhaust valve seat, but also cools the spark plug, thereby reducing the heat load of the cylinder head and the temperature of the spark plug gasket, and reducing the temperature of the valve. Seat thermal deformation, improve the sealing of the valve, while lubricating and cooling the camshaft, improve the overall life of the engine.
Owner:济南轻骑大韩摩托车有限责任公司

Distributed power double-layer planning method

The invention discloses a double-layer planning method for distributed power supply, which includes: calculating the sensitivity of network loss to each node; selecting a node with high loss sensitivity as a candidate installation position of a distributed power supply and a reactive power compensation device; adopting an island area division method to determine The candidate installation position of the segment switch; establish the upper and lower models of the distributed power double-layer planning model; solve the distributed power double-layer planning model to obtain the installation position and capacity of the distributed power, and the installation of the reactive power compensation device Location and capacity and where to install the segment switch. The upper-layer model of the present invention optimizes the installation position and capacity of the distributed power source, and the lower-layer model optimizes the installation position and capacity of the reactive power compensation device and the installation position of the segment switch, and realizes the optimal coordination of the planning and operation of the distributed power source; the introduction of isolated islands The area division method optimizes the installation position of the sectional switch, and uses the distributed power supply to minimize the power failure loss.
Owner:CHINA THREE GORGES UNIV

Automobile muffler inlet pipe assembly and its layout structure

The invention discloses an automobile silencer inlet pipe assembly and an arrangement structure thereof. The automobile silencer inlet pipe assembly is formed by an inlet pipe, a first bellows, a connecting pipe, a second bellows and an outlet pipe which are connected in sequence. The inlet end of the inlet pipe is provided with a first flange used for being connected with a three-way catalytic converter, and the outlet end of the outlet pipe is provided with a second flange used for being connected with a silencer. The first bellows is arranged below an engine oil pan and a transmission shaft, and the second bellows is arranged above the rear of an auxiliary frame. According to the automobile silencer inlet pipe assembly, vibration generated by an engine and the silencer is effectively eliminated, reliability of a whole exhaust system is improved, and spatial safety distances of the exhaust system and parts such as the engine oil pan, the transmission shaft and the silencer and the heat damage requirements are met.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Reaction pool of waste water biological treatment

The reaction pool for biological waste water treatment includes three pool units communicated via pipe, each pool unit is provided with aeration diffuser and stirrer, and the pool units in two ends has water inlet, water outlet, water draining weir and sludge draining outlet. Based on the features of biological waste water treatment combining alternate running and homogeneously blowing and aeration, the arranged heights of the aeration diffusers are regulated to balance the oxygen supply and realize the reasonable arrangement of the whole aeration system.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP

Layout method of monorail crane track beam based on equipment layout

The invention discloses a monorail-crane rail beam arranging method based on a device layout. The monorail-crane rail beam arranging method comprises the following steps that 1, positions where all devices of a production assembly line are located serve as reference positions, and the position which is 200 mm away from each device serves as a region for allowing a monorail-crane rail beam corresponding to the device to pass through; 2, a least square method is adopted, and a reference line is determined for the devices which are located in the same row or in the same column, so that quadratic sum of perpendicular distances from central points of the regions for allowing the monorail-crane rail beams of the devices in the same row or in the same column to pass through to the reference line reaches the minimum; 3, the reference lines are optimized; and 4, all the reference lines are connected, and optimizing treatment is conducted. By means of the monorail-crane rail beam arranging method based on the device layout, reasonable arrangement of the rail beams can be achieved, and the production and transport cost of the whole production line can be reduced. Meanwhile, for a production line system arranged by multiple straight lines, the last step is connected with the next step through the rail beams, and the product production efficiency can be effectively improved.
Owner:天津博迈科海洋工程有限公司

Rice seedling raising device with an automatic sowing function

The invention relates to the field of plant seedling raising, in particular to a rice seedling raising device with an automatic sowing function. According to the technical scheme, the rice seedling raising device with the automatic sowing function comprises a seedling raising plate placing system, a mud feeding system, a sowing system and the like; the seedling raising plate placing system, the mud feeding system and the sowing system are sequentially arranged above a supporting bottom frame; and the mud feeding system is connected with the sowing system. The rice seedling raising device jumps out of a traditional means of artificial seedling raising, and the characteristic that the soil environment required by rice seedling raising is sposh as a substrate is combined, so that rice seeds are uniformly distributed on a seedling raising plate; the defect that sposh on the seedling raising plate cannot be easily leveled manually is overcome, and large-area sowing can be realized by continuous operation; and the current situation that existing equipment cannot perform rice seedling raising is changed.
Owner:王兰霞

Motorcycle engine piston cooling mechanism

The invention relates to a motorcycle engine piston cooling mechanism. The cooling mechanism comprises a left box body, a right box body, an engine oil pump assembly and an oil nozzle. The left box body and the right box body are fixed through combined box bolts. Oil nozzle base holes are formed in the left box body and the right box body. Meanwhile, a driving pin installation hole is formed in the left box body, seat stands at the two ends of the oil nozzle are inserted into the oil nozzle base holes, the left end of the oil nozzle is matched with a driving pin, and direction positioning is carried out on the oil nozzle through the driving pin; the oil nozzle base holes are communicated with an oil way, and the left end and the right end of the oil nozzle are in installation clearance sealing with the box bodies through O-shaped rubber sealing rings. The cooling mechanism is unique in structure, simple in appearance and reasonable in arrangement, the spatial arrangement is effectively utilized, the strict oil spraying angle and oil spraying pressure are ensured, an engine piston is effectively cooled, the power is improved, and oil consumption is reduced.
Owner:济南轻骑摩托车有限公司

A rail vehicle underframe, equipment arrangement structure under the vehicle and rail vehicle

The invention discloses a rail vehicle underframe, an arrangement structure of equipment under the vehicle and a rail vehicle, which solves the problem of diversification in the design of the rail vehicle underframe in the prior art, and has the beneficial effects of facilitating the design of the rail vehicle and reducing the manufacturing cost. , the specific scheme is as follows: an under-vehicle equipment arrangement structure, each chassis includes a chassis body, at least one end of the chassis body is reserved for the installation space of the dirt box, and the chassis body is reserved with a water tank installation space; the chassis body The two ends are the first end and the second end, a middle section is arranged between the first end and the second end, the middle section is lower than the first end and the second end, and the middle section includes two parallel first longitudinal beams, passing through A plurality of first transverse beams are connected to the two first longitudinal beams, and a distance is set between the two adjacent first transverse beams, and some of the first transverse beams are provided with interfaces for installing some off-vehicle equipment components.
Owner:CRRC QINGDAO SIFANG CO LTD

A method and apparatus for uniform material counting based on machine vision

The invention discloses a uniform material counting method and a device of machine vision, comprising two levels of a main counting method and a difference compensation counting method: a counting target as N1 is set, a target value N2 (N2<N1) close to the counting is set, and N3=N1- N2 is obtained, the counting process is divided into two stages: the main counting of N1 and the difference counting of N3. The counting device based on the method comprises a feeding module, a frequency adjustable vibration module, a machine vision counting module, a motion control module, a discharging module and an industrial control computer, wherein the counting device realizes the high-speed, high-accuracy and high-real-time counting of uniform materials, so as to overcome the defects of the traditionalmanual counting and the counting of the photoelectric equipment.
Owner:广州富唯电子科技有限公司

A hollow bridge frame that is easy to install and adjust

The invention discloses a hollow bridge frame convenient to install and adjust. The E hollow bridge frame comprises a bridge frame 1 and a bridge frame 2. A line-dividing device is fixed on the innerbottom surface of the bridge frame 1 and the bridge frame 2. A rolling groove is arranged on the bottom surface of one side of the bridge frame 2 near the bridge frame 1, and a rolling ball is installed on the bottom surface of one side of the bridge frame 1 near the bridge frame 2. The rolling ball is placed in the rolling groove. Fixing grooves are arranged on the inner walls of the front and rear ends of one side of the bridge frame 2 near the bridge frame 1. The bottom surfaces of the fixing grooves are provided with a clamping groove 1 respectively. The outer walls of the front and rearends of the bridge frame 1 close to the bridge frame 2 are provided with grooves. Clamping columns are slidably connected on the inner walls of the grooves. Springs are fixedly connected between the clamping columns and the bottom surfaces of the grooves, and the clamping columns are clamped and fixed in the clamping grooves 1. The inner top surfaces of the fixing grooves are also provided with circular arc grooves. The bridge frame has good adjustability and can realize flexible adjustment of length and angle is convenient to fix after adjustment and greatly reduces labor cost.
Owner:ANHUI AUTOMATION INSTR

Calibration bench for calibration of pressure transmitter

The invention relates to a calibration bench for calibration of a pressure transmitter. The calibration bench is characterized in that the calibration bench comprises a bench surface, a base and a lift frame. The upper end and the lower end of the lift frame are arranged on the bench surface and the base respectively; the middle portion of the lift frame is provided with a lifting handle for adjusting the height of the bench surface; the side surface of the bench surface is equipped with a buckle for fixing a pressure transmitter to be calibrated; the center of the bench surface is provided with an installation groove for placing the pressure transmitter to be calibrated; and the bench surface is also provided with a nut for mounting a standard device and clamping units for a manual operator for instrument adjusting. The calibration bench is reasonable in design, realizes reasonable layout of the pressure transmitter to be calibrated and related instrument and equipment in the calibration process, effectively reduces the influence of external interference factors on pressure transmitter calibration and ensures smooth conduction of the calibration process.
Owner:ELECTRIC POWER SCI & RES INST OF STATE GRID TIANJIN ELECTRIC POWER CO +2

A kind of preparation method of multi-component low-density glass microbead prepreg

The invention discloses a method for preparing a multi-component low-density glass microsphere prepreg, which adopts 2-5 different specifications of glass microspheres in a resin to carry out a spatially staggered arrangement of a pressed adhesive film, and the staggered arrangement of After the film of the glass microspheres is pressed into the fiber cloth, the multi-component low-density glass micro-bead pre-impregnated cloth is obtained; the preparation method of the multi-component low-density glass micro-bead pre-impregnated cloth of the present invention, the prepared glass micro-bead pre-impregnated cloth The cloth density is low; it has better mechanical strength and thermal insulation effect while ensuring the ablation ability of the material.
Owner:HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL

Motorcycle engine cylinder head with valve seat cooling oil passage

The invention discloses a motorcycle engine cylinder head with a valve seat cooling oil passage. The cylinder head is provided with an exhaust valve seat, a spark plug hole, a camshaft mounting hole and a chain chamber, wherein the exhaust valve seat and the cylinder head are connected in an interference fit. The cylinder head is characterized in that an oil passage is arranged on the cylinder head, an oil inlet of the oil passage is close to the position of the exhaust valve seat 3, the oil passage passes the vicinity of a spark plug, the oil passage is in communication with the camshaft mounting hole, the oil passage sequentially cools the exhaust valve seat, the spark plug and a camshaft through making the oil pass through the oil passage, and the oil is made to return to the chain chamber and then return to a crank case. The cylinder head is advantaged in that through arranging the oil passage near the cylinder head exhaust valve seat, the oil passage passes through the vicinity ofthe spark plug, the oil cools the exhaust valve seat and cools the spark plug, the heat load of the cylinder head and the temperature of a spark plug gasket are reduced, valve seat heat deformation is reduced, valve sealing is improved, lubricating and cooling the camshaft are further achieved, and the overall life of an engine is improved.
Owner:济南轻骑大韩摩托车有限责任公司

Inner structure of electric water heater

The invention discloses an inner structure of an electric water heater. The inner structure comprises a housing, wherein an inner container is fixedly mounted on the inner surface of the housing, a magnesium bar, a water outlet pipe and a water inlet pipe are sequentially arranged in the inner container from the left to the right, both the water outlet pipe and the water inlet pipe penetrate through the inner part of the inner container and extend below the housing, and a regulating bolt is movably mounted on the lower end surface, close to the housing, below the magnesium bar. The inner structure of the electric water heater is provided with a U-shaped electric heating pipe, a single-head electric heating pipe, a regulating bolt and a male tab. By utilizing the shape fitness of the electric heating pipes, the reasonable arrangement of the electric heating pipes is realized, and space is saved. The heating efficiency is increased without changing water storage quantity, the fixing of the magnesium bar is firm, and the magnesium bar is taken out through rotating regulation. The mode is more convenient, saves time and labor, is suitable for different working conditions and brings better use prospects.
Owner:池州市小康人家科技有限公司
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