Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

49results about How to "Extended preparation time" patented technology

Residual-oil discharging system and oil discharging method of emergency oil discharging header pipe

The invention relates to a design of an emergency oil discharging system of a plane, particularly to a residual-oil discharging system and an oil discharging method of an emergency oil discharging header pipe. The residual-oil discharging system and the oil discharging method are disclosed so as to solve the residual-oil discharging problem of an emergency oil discharging header pipe, and to avoid the mixing of oil in oil tanks caused by a leakage discharge valve. The discharging system comprises the emergency oil discharging pipe header pipe, a leakage discharge valve and a floater, wherein the emergency oil discharging header pipe is arranged between a first oil tank and a second oil tank, are communicated with a first emergency oil discharging pump and a second emergency oil discharging pump respectively, and are connected with a cut-off valve; the leakage discharge valve is arranged at the lowest position of the emergency oil discharging header pipe in the second oil tank, and is positioned at the upstream of the cut-off valve; the floater is arranged at an outlet at the bottom of the leakage discharge valve, and is used for sealing and blocking the leakage discharge valve. According to the invention, the leakage discharge device is simple in structure; by the use of the leakage discharge device, the residual oil of the oil discharging header pipe of the plane can be conveniently discharged, so that the adverse influences, such as pump power increase, efficiency decrease, weight increase and the like, caused by reduction of forward leakage of an emergency oil discharging pump, are avoided, and the adverse influence of mixing of oil from different oil tanks and plane preparation time prolongation due to employment of a common leakage discharge valve is avoided.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

8K and 32K cam conversion regulation device for roll paper folding machine

The invention relates to a 8K and 32K cam conversion regulation device for a roll paper folding machine. A guide rod is arranged on a front wallboard in a sliding manner; the front end part of the guide rod is fixedly provided with a bracket; the bracket is provided with a regulating screw hole; the inside of the regulating screw hole is in threaded connection with a regulating screw; the regulating screw is in threaded connection with a lock nut; the front wallboard is fixedly provided with a bearing end cover; thrust bearings are arranged on the regulating screw at both sides of the bearing end cover; a tooth cam chair is arranged on a 32K roller spindle; the tooth cam chair is fixedly provided with a 32K folding knife cam, a gripper loosening cam and a 32K gripper clamp cam; the gripper loosening cam is arranged between the 32K folding knife cam and the 32K gripper clamp cam; a rotating frame in the front wallboard is provided with a regulating gear shaft; a set screw is fixedly arranged on the front wallboard; and a compression block is fixedly arranged on the front wallboard. According to the invention, preparation time in the specification conversion process is greatly prolonged, production efficiency is improved and regulation operation is very convenient to carry out.
Owner:WUXI BAONAN MACHINE MFG

Lead screw bearing block alignment method

The invention discloses a lead screw bearing block alignment method. A dial indicator frame is arranged at the position, close to a screw nut base, on a workbench, a machine tool is started, and the workbench records the read number of a pointer on the screw nut base; adjustment is conducted according to the record, the dial indicator frame is adsorbed to a lathe bed, and the pointer of a dial indicator makes contact with the surface of a nut base or the screw nut base to be adjusted; a fastening screw at the to-be-adjusted part is loosened, and the fastening screw is moved through a jack or a crowbar; when the deflection distance and the earlier-stage measuring value are the same, the fastening screw at the part is fastened; adjustment is conducted in the vertical direction, the fastening screw at the to-be-adjusted part is loosened according to the earlier-stage measuring result, and a gasket is additionally arranged to the position below the fastening screw and fastened; and the machine tool is started for rechecking. According to the lead screw bearing block alignment method, few earlier-stage preparing tools are adopted, and detection can be conducted only by preparing the ordinary dial indicator and the dial indicator frame; no requirement exists for the distance between a guide rail and a lead screw; influences from lead screw deflection are weak, and the state of the detection process and the state in the actual machine tool usage process are the same; and the influences on the measuring range from the screw nut base are weak.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

High-speed railway ballastless track mortar layer horizontal drilling machine tool

ActiveCN104213479AAchieve the purpose of correctionMeet the requirements of horizontal drilling constructionRailway track constructionDrive wheelDrilling machines
The invention discloses a high-speed railway ballastless track mortar layer horizontal drilling machine tool which comprises an articulation fixed base I (6), a motor left end fixing rack (7), a motor (8), a motor right end fixing rack (9), a driving wheel (10), a driving band (11), a rotating handle (12.1), a driven wheel (14), a drill stem fixing rack (15), an articulation fixed base II (16), a drill rod (17), a bracket (18) and a sliding rod (19). The high-speed railway ballastless track mortar layer horizontal drilling machine tool can be used for horizontally drilling a mortar layer by use of a limited construction space under the condition of not greatly changing a railway major structure, thereby providing a guarantee for subsequent construction and achieving the purpose of correcting a track plate; when in operation, the high-speed railway ballastless track mortar layer horizontal drilling machine tool has the characteristics of simple structure, short readiness time, convenience in operation and control, no region restriction and the like, can be used for performing horizontal drilling operation on the mortar layer under the condition of not damaging major structures, such as the track plate, the base and a bridge, and is capable of improving the stability in operation.
Owner:徐州徐工能源装备有限公司

Electronic equipment

The invention discloses electronic equipment, and belongs to the technical field of communication. The electronic equipment comprises a first shell, a second shell, a supporting plate, a transmission assembly and a screen, the first shell and the second shell form a containing cavity, the second shell is in sliding fit with the first shell, the screen is arranged on the first shell and the second shell, and the supporting plate and the transmission assembly are arranged in the containing cavity. The transmission assembly comprises a cam and a transmission part. The transmission part is fixedly connected with the first shell, the transmission part is connected with the cam, the cam is connected with the supporting plate, in the moving process of the second shell and the first shell, the transmission part drives the cam to rotate, and the cam drives the supporting plate to move between the first position and the second position; under the condition that the supporting plate is located at the first position, the supporting plate abuts against the screen to support the screen; and under the condition that the supporting plate is located at the second position, the second supporting part retracts to the containing cavity. According to the scheme, the problem that the screen cannot be effectively supported under the condition that a display area is increased can be solved.
Owner:VIVO MOBILE COMM CO LTD

Weld joint heat treatment robot and control method and system of weld joint heat treatment robot

The invention provides a weld joint heat treatment robot and a control method and system of the weld joint heat treatment robot, and relates to the technical field of weld joint heat treatment. The robot comprises a movement mechanism, a weld joint tracker, an adjusting mechanism and a heat treatment mechanism. The adjusting mechanism is arranged on the movement mechanism, and the movement mechanism is suitable for moving relative to a weld joint. The weld joint tracker and the heat treatment mechanism are arranged on the adjusting mechanism, the weld joint tracker is used for detecting the position deviation value from the weld joint, and the adjusting mechanism is suitable for adjusting the position of the heat treatment mechanism according to the deviation value so that the heat treatment mechanism can directly face the weld joint to conduct heat treatment on the weld joint. By means of the above arrangement, when the weld joint heat treatment robot advances in the extension direction of the weld joint, the weld joint heat treatment robot can automatically conduct heat treatment on the weld joint, long early-stage preparation time is not needed in the heat treatment process, safety is high, and operation efficiency is high.
Owner:INST OF INTELLIGENT MFG GUANGDONG ACAD OF SCI

Method for determining starting opportunity for emergency releasing of deepwater drilling riser

The invention relates to a method for determining the starting opportunity for emergency releasing of a deepwater drilling riser. The method comprises the following steps of determining a weak component and a releasing position D1 of an offshore drilling platform; determining a time point t1 when the drilling riser of the offshore drilling platform is released; determining time t2 for transmitting a surface wave-current load to the weak component; determining execution time t3 for completing the emergency releasing action of the offshore drilling platform and calculating a time point t1+t2-t3 after the offshore drilling platform drifts and the corresponding drifting distance D2 of the offshore drilling platform; determining a time point t4 for preparing releasing starting of the offshore drilling platform, calculating a time point t1+t2-t3-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D3 of the offshore drilling platform, and calculating a time point t1-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D4 of the offshore drilling platform; and finally determining the starting opportunity for releasing of the drilling riser of the offshore drilling platform.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Liquid medicine mixing device and liquid medicine mixing and water supplementing system

The invention discloses a liquid medicine mixing device and a liquid medicine mixing and water supplementing system. The liquid medicine mixing device comprises: a liquid medicine tank, wherein the top of the liquid medicine tank is provided with a liquid medicine inlet, a water supplementing port and a liquid medicine circulating inlet, and the bottom of the liquid medicine tank is provided witha liquid medicine outlet; a liquid medicine supply pipeline, wherein the outlet end of the liquid medicine supply pipeline is connected with the liquid medicine inlet, the inlet end is connected witha liquid medicine supply end, and a first valve is arranged on the liquid medicine supply pipeline; a water supplementing pipeline, wherein the outlet end of the water supplementing pipeline is connected with a water supplementing port, the inlet end is connected with a water supplementing end, and a second valve is arranged on the water supplementing pipeline; a liquid medicine output pipeline, wherein the inlet end of the liquid medicine output pipeline is connected with a liquid medicine outlet, the outlet end is connected with a product cleaning end, and the liquid medicine output pipelineis provided with a circulating pump and a third valve and located on the downstream of the circulating pump; a liquid medicine mixing pipeline, wherein the inlet end of the liquid medicine mixing pipeline is communicated with the liquid medicine output pipeline between the circulating pump and the third valve, the outlet end of the liquid medicine mixing pipeline is communicated with the liquid medicine circulating inlet, and a liquid medicine mixing element is arranged on the liquid medicine mixing pipeline; and a concentration detection unit used for detecting the concentration of the liquid medicine in the liquid medicine tank. Sufficient mixing of the water-supplemented cleaning liquid medicine can be realized.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Diesel engine variable injection timing adjusting device

The invention discloses a diesel engine variable injection timing adjusting device which comprises an installation frame, an oblique tooth connection shaft, an adjusting inner gear ring, a timing gear, a hydraulic executing mechanism, a controller and an adjusting inner gear ring mobile scale. The installation frame is located on the top of a machine frame of a diesel engine, one end of the oblique tooth connection shaft is supported in one end of the installation frame, one end of a cam shaft is fixedly connected with one end of the oblique tooth connection shaft, the other end of the obliquetooth connection shaft is engaged with the adjusting inner gear ring, one end of the adjusting inner gear ring is supported in one end of the installation frame, the timing gear is fixed to the otherend of the adjusting inner gear ring, one end of a piston rod of the hydraulic executing mechanism is fixedly connected with the other end of the adjusting inner gear ring through multiple adjustingscrews, two cavities of a hydraulic cylinder barrel are connected with an electromagnetic reversing valve, signal lines at the two ends of the electromagnetic reversing valve are connected with a controller, and the adjusting inner gear ring mobile scale is arranged outside one end of the executing mechanism. The diesel engine variable injection timing adjusting device is high in integration degree, compact in structure, safe, reliable, capable of carrying out active adjusting under overall working conditions, and capable of being conveniently added to the diesel engine.
Owner:CSSC MARINE POWER

Explosion-proof and flame-retardant vehicle cover for electric vehicle

The invention relates to an explosion-proof and flame-retardant vehicle cover for an electric vehicle. The explosion-proof and flame-retardant vehicle cover for the electric vehicle comprises a flexible metal met and heat insulation layers, wherein the heat insulation layers are designed on the upper and lower surfaces of a flexible heating element; and waterproof flame-retardant fabric layers arearranged on one surfaces, far away from the flexible heating element, of the heat insulation layers. The explosion-proof and flame-retardant vehicle cover for the electric vehicle has the advantagesthat the explosion-proof strength of the vehicle cover is reinforced by using the flexible metal net; as the flame retardance of the heat insulation layers is extremely strong and the externally coated flame-retardant fabric layers are also adopted, the flame retardance of the vehicle cover is greatly enhanced; if the electric vehicle in a vehicle shed is covered by the explosion-proof and flame-retardant vehicle cover, the electric vehicle cannot be damaged by other electric vehicles on fire; if the electric vehicle covered by the explosion-proof and flame-retardant vehicle cover is on fire,the fire spreading is also slowed due to the protection of the vehicle cover so as to prolong the preparation time for fire extinguishing and reduce the destruction of the fire.
Owner:张金萍

Multifunctional early warning system capable of reinforcing school safety management

A multifunctional early warning system capable of reinforcing school safety management, disclosed by the present invention, comprises a main control system, a face identification system, an alarm circuit, a GPRS module and a mobile terminal. The main control system is connected with the face identification system, the alarm circuit and the GPRS module separately, the GPRS module is also connected with the mobile terminal. The main control system is used to receive and process a signal transmitted by an infrared detection device and then transmit the processed signal to the alarm circuit and the GPRS module; the face identification system is used to detect and analyze a face signal and then transmit the signal to the main control system; the GPRS module is used to receive the signal transmitted by the main control system and transmit the signal to the mobile terminal; the mobile terminal is used to receive the signal transmitted by the GPRS module and is used for users to check; and the alarm circuit is used to receive the signal transmitted by the main control system and alarm or does not act according to the signal. According to the present invention, and by a GPRS technology, the parents can know the real-time situation of a monitoring terminal at any time via the mobile terminal.
Owner:四川学易通达科技有限公司

A method for aligning screw bearing seat

The invention discloses a lead screw bearing block alignment method. A dial indicator frame is arranged at the position, close to a screw nut base, on a workbench, a machine tool is started, and the workbench records the read number of a pointer on the screw nut base; adjustment is conducted according to the record, the dial indicator frame is adsorbed to a lathe bed, and the pointer of a dial indicator makes contact with the surface of a nut base or the screw nut base to be adjusted; a fastening screw at the to-be-adjusted part is loosened, and the fastening screw is moved through a jack or a crowbar; when the deflection distance and the earlier-stage measuring value are the same, the fastening screw at the part is fastened; adjustment is conducted in the vertical direction, the fastening screw at the to-be-adjusted part is loosened according to the earlier-stage measuring result, and a gasket is additionally arranged to the position below the fastening screw and fastened; and the machine tool is started for rechecking. According to the lead screw bearing block alignment method, few earlier-stage preparing tools are adopted, and detection can be conducted only by preparing the ordinary dial indicator and the dial indicator frame; no requirement exists for the distance between a guide rail and a lead screw; influences from lead screw deflection are weak, and the state of the detection process and the state in the actual machine tool usage process are the same; and the influences on the measuring range from the screw nut base are weak.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Pumping unit wellhead packing box

The invention discloses a wellhead packing box of a pumping unit. The wellhead packing box comprises a sealing mechanism, a deviation adjustment mechanism and a buffer mechanism, wherein the deviation adjustment mechanism comprises a first round disk, a second round disk, a ring disposed between the first round disk and the second round disk, and four connecting rods used to connect the first round disk, the ring and the second round disk. The deviation adjustment mechanism is disposed between the packing box and an oil extraction connector, so that a polish rod and the packing box can be installed at an oil extraction hole concentrically, and deviation of the polish rod from the packing box can be avoided. During oil extraction, the polish rod can only be moved up and down in the vertically direction under cooperation effects of the first round disk, the second round disk and the ring, and deviation from the packing box will not take place, so that eccentric wear of the polish rod to packing can be avoided, and a service life of the packing box can be prolonged. Meanwhile, the buffer mechanism is designed, so that oil overflowed from a wellhead to inside of a shell body can flow circularly, and the problem that the excessive overflowed oil flows upwards to pollute the packing box or even leaks out from the upper part of the packing box can be avoided.
Owner:JINGZHOU GAOXIN PETROLEUM VALVE MEMBER

A method for determining the start-up timing of deepwater drilling riser emergency release

The invention relates to a method for determining the starting opportunity for emergency releasing of a deepwater drilling riser. The method comprises the following steps of determining a weak component and a releasing position D1 of an offshore drilling platform; determining a time point t1 when the drilling riser of the offshore drilling platform is released; determining time t2 for transmitting a surface wave-current load to the weak component; determining execution time t3 for completing the emergency releasing action of the offshore drilling platform and calculating a time point t1+t2-t3 after the offshore drilling platform drifts and the corresponding drifting distance D2 of the offshore drilling platform; determining a time point t4 for preparing releasing starting of the offshore drilling platform, calculating a time point t1+t2-t3-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D3 of the offshore drilling platform, and calculating a time point t1-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D4 of the offshore drilling platform; and finally determining the starting opportunity for releasing of the drilling riser of the offshore drilling platform.
Owner:CHINA NAT OFFSHORE OIL CORP +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products