78results about How to "Improve operational safety factor" patented technology

The invention discloses a double hot spare type automatic passing phase separating device, comprising a signal processor, a signal receiver and signal indicator boards. The signal processor is internally provided with a circuit connecting base board and two main control circuit boards; the circuit connecting base board and the two main control circuit boards are respectively connected by a circuit; the front end of the signal processor is provided with two displaying and operating panels, which are respectively connected with the two main control circuit boards by the circuit; the rear end of the signal processor is provided with a connecting socket which is connected with the outside and is connected with the signal processor; and the number of the signal indicator boards is two and the two signal indicator boards are respectively arranged at two driver positions and are connected with the signal processor after being connected in parallel. The double hot spare type automatic passing phase separating device is applicable to automatic control field of high-speed motor train units and electrical locomotives of electric railways, actually realizes reliable and safe automatic passing phase separating of high motor train units and electrical locomotives and guarantees the safe operation of the high-speed electric railways.

The invention relates to a comb telescopic longitudinal autonomous carrier of a stereo garage. The comb telescopic longitudinal autonomous carrier comprises a bottom frame, a comb telescopic frame, an automatic centering aligning mechanism, a cam uplift mechanism, a running gear and a guiding mechanism. The comb telescopic frame, the automatic centering aligning mechanism, the uplift mechanism, the running gear and the guiding mechanism are arranged on the bottom frame. The automatic centering aligning mechanism is in the comb telescopic frame, combined with the uplift mechanism to complete uplift operation of a vehicle. The running gear completes operation of transferring vehicle positions. The comb telescopic longitudinal autonomous carrier can realize stationary carrying of vehicles, reduces damages of vehicles, and improves carrying efficiency, and operation is safe.

The invention discloses a flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device and a combustion method thereof. The flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device comprises a gas pipeline, an air blower and a flue gas and air premixing pipe bundle self-cooling low-nitrogen combustor; a flue gas and air mixing device is connected to an air inlet of the air blower; a flue gas and air mixing pipeline is connected to an air outlet of the air blower; a flue gas and air mixing ejector is connected onto the flue gas and air mixing pipeline; an air sleeve is arranged on the low-nitrogen combustor; a main gas jet pipe is arranged in the air sleeve; a circle of flue gas and air mixing cooling pipe bundle is arranged on the periphery of the main gas jet pipe and directly goes deep into a hearth; a burning torch is arranged on the combustor; a flue gas and air mixing inlet is formed in the air sleeve; the rear end of the main gas jet pipe communicates with a big fire gas pipeline provided with a big fire valve and a small fire gas pipeline provided with a small fire valve; and a flame detector is arranged on the end head of the burning torch. The device is applicable to a gas boiler, has the characteristics of simple structure, reasonable design, flame combustion with low nitrogen at low temperature, capability of automatic cooling, accurate control and the like, and ensures lower nitric oxide emission load of the gas boiler.

An intelligent oil level indicating device comprises an oil conservator feeding and discharging oil pipe, a liquid level instrument and a liquid level display instrument. The liquid level instrument comprises a diffused silicon pressure sensor and an ICSensors circuit, the oil conservator feeding and discharging oil pipe is connected with the diffused silicon pressure sensor, the diffused silicon pressure sensor is connected with the ICSensors circuit through a sensing cable, and the ICSensors circuit is connected with the liquid level display instrument through an output terminal. The liquid level display instrument is connected with a background monitoring computer in a wired manner, a remote monitoring effect is achieved, and automation degree is improved. The intelligent oil level indicating device is convenient in field installation, high in automation degree, visual and accurate in oil level display, fine in stability, high in accuracy and reliability and long in service life, can be used for oil level check and maintenance for a 220KV-750KV transformer and an electric reactor, is more applicable to an unattended and high-automation transformer substation, and can be used for timely discovering false oil level caused by capsule breakage.

The pipe bus end of the inventive heat radiating type joint and the heat radiating type joint an integrated one. The pipe bus end has a plurality of conducting surfaces, and there is a certain distance between the conducting surface and the conducting surface, so that: 1. It is easy to connect with other equipments; 2. it increases the heat-radiating space; 3. It is helpful to reduce the temperature rise of the end joint; 4. since it is an integrated one withou link bit and contacting resistance, thus reducing the heat, has a large carrying capacity, and ensures the end of the bus will not have a high temperature, and will have safe operation; 5. Since the heat radiating type joint is an integrated one which has canceled original conversion gold, so that it is low cost, light weight, and energy savings.

The invention provides a high-performance permanent magnet servo motor, which comprises a stator and a rotor, wherein the stator comprises a stator core and a coil; the coil is wound on the stator core; the rotor comprises a rotor core and a permanent magnet; the permanent magnet is arranged on the periphery of the rotor core; the high-performance permanent magnet servo motor is characterized in that the stator core is formed by laminating stator punching plates; each stator punching plate is formed by splicing at least two stator tooth punching plates; the rotor core is formed by laminating rotor punching plates; a permanent magnet groove is formed in the periphery of the rotor core; and the permanent magnet is embedded into the permanent magnet groove. According to the high-performance permanent magnet servo motor, improvement of the utilization rate of a silicon steel sheet is facilitated; the offline production rate is improved; the slot space-factor can be improved; the coils in a slot are arranged regularly and densely; and heat dissipation of the coils is facilitated.

The invention discloses a graphite ring runway sealing structure for sealing a bearing cavity, and the structure can be applied to the field of ground combustion gas turbines, aero-engines and the like. The bearing cavity is sealed on a graphite ring runway; an oil cut-off slot and/or an oil thrower is designed at a position, close to the bearing cavity, on the front side of the working surface of the runway. By the use of the oil cut-off slot, the graphite ring runway pre-sealing structure avoids accumulation of lubricating oil in the bearing cavity; meanwhile, the oil thrower beside the oil cut-off slot is used for further throwing the lubricating oil possibly flowing into the sealed surface of a graphite ring back into the bearing cavity under the action of centrifugal force.

The invention discloses a method for synthesizing 1,2-propylene glycol using glucose, and belongs to the fields of environment protection and energy technology. The method is the technology which is characterized in that glucose of high density is used as a raw material, CuNi/MgO is used as a catalyst, and a two-stage intermittent reaction is used for producing 1,2-propylene glycol. A glucose solution is injected into a high pressure reaction vessel, and a hydrogenolysis catalyst is added for initiating a reaction; a carrier MgO with alkalescence is used for replacing the added solid alkali, so that the reaction is carried out under a neutral condition; the two-stage intermittent reaction is carried out, thereby avoiding influence of the high temperature polymerization on the reaction, a hydrogenolysis/hydrogenation reaction of glucose is carried out at low temperature for generating an intermediate product; after heating, the intermediate product is reacted further; after cooling, filtering and separating of the product, a low carbon polyhydric alcohol whose main component is 1,2-propylene glycol is obtained. According to the invention, the concentration and the reaction selectivity of the reaction raw material are increased, and the requirement of the reaction equipment is reduced, and the operation safety coefficient of the apparatus is increased.

The invention provides a tobacco bale in-place supplementing alarm device. On the next station, that is a tobacco bale supplementing device, of a removing device, an optical fiber sensor is arranged on the outer wall of a rotating tower in a trepanning manner, a sensor mounting support is arranged beside a push rod station, that is, the station where a push rod pushes tobacco bales to a tobacco bale channel from the rotating tower, a rotating tower pulse detection sensor is arranged on the sensor mounting support, and detects the motion of the push rod, the rotating tower pulse detection sensor is connected with a PLC, when an approach switch is arranged beside the tobacco bale supplementing channel, the position of the tobacco bale supplementing device is recognized, the approach switch is connected with a PLC, when the tobacco bale supplementing device carries out supplementing on the tobacco bales in the rotating tower, the rotating tower is positioned through the sensors, the optical fiber sensor carries out recognizing on filling of the tobacco bales in the rotating tower, through treatment of the PLC, shutdown signals and alarm signals are output, the tobacco bales with defective quality are prevented from flowing in the next procedure, and a rotating tower mold box or the push rod is prevented from being damaged due to no-in-time shutdown; equipment running safety coefficients are improved.

The steel rolling simulating system as one single layer simulating system with process computer may be used in the comprehensive debugging, field cold load measurement and hot load measurement of the simulating application system. The steel rolling simulating system includes three parts: 1. plan simulator to simulate the steel rolling plan from the production managing computer; 2. steel drawing simulator to simulate the steel drawing message from the heating furnace to create tracking initiation pointer, to insert request initiation event and to prepare the automatic event sending of subsequent event; and 3. automatic event simulator to simulate various messages from automatic rolling base system to create simulating message and subsequent event. The automatic event simulator can simulate all the process relevant events in the production line.

The invention discloses a CYFZD intelligent low voltage switch cabinet comprising an intelligent monitor with a standard communication interface and a photoelectric converter, wherein a power source is connected to an isolating switch which is connected to an air switch QF with an electric operating mechanism; the air switch QF with the electric operating mechanism is connected to an alternating-current contactor which is connected to the intelligent monitor with the standard communication interface; the intelligent monitor with the standard communication interface is connected to a field motor through three-phase circuit feed-out; the intelligent monitor with the standard communication interface is further connected to a serial port server which is connected to the photoelectric converter; the photoelectric converter is connected to a cabinet switchboard; and the cabinet switchboard is connected to an upper computer. Such a design is capable of realizing the remote/local opening function of each feed-out main loop circuit breaker in the cabinet and also capable of remotely transmitting and recording field operational state information such as line alarm, fault determination, action results and the like; and the CYFZD intelligent low voltage switch cabinet has the control management function of the remote power stop/supply operation flow.

Provided in the invention is a research and development management system of an enterprise. The system is composed of a research and development management system server, a data storage server, an external exchange server, an internal instant messaging system server, and a user terminal. A research and development management system and a file management system are stored in the research and development management system server; the data storage server provides a data storage management function for the research and development management system and the file management system; an external exchange system is stored in the external exchange server; an instant messaging system is stored in the internal instant messaging system server; and a logging-in interface is stored in the user terminal. According to the system, the intellectual property management is integrated into the original management system of the enterprise, so that a problem of dispersed or lack of intellectual property management of the research and development link of the enterprise can be solved; the intellectual property management flow is optimized; and advantages of convenient management and centralized management are realized.

The invention provides a railway track and track plate state multi-dimensional intelligent monitoring method and a system, and the monitoring method comprises the steps: S1, enabling the multi-dimensional intelligent monitoring system to obtain the surface temperature of a track and a track plate, measuring the distance between the track and the track plate, converting the distance into the eccentric distance of the track, and obtaining an observation image; S2, transmiting the surface temperature and the rail eccentric distance to a control module, transmiting an observed image to a processing module, and combining the processing module with a deep learning network and a visual detection technology to calculate rail plate displacement and rail creeping; S3, packaging the surface temperature, the rail eccentric distance, the rail plate displacement and the rail creeping measurement result and transmiting to a management center; and S4, performing temperature and displacement situationanalysis on each monitoring point by the management center, and pushing abnormal displacement alarm of the railway track and the track plate. According to the multi-dimensional intelligent monitoringmethod and the system, comprehensive, long-term and intelligent monitoring of the railway track and track plate states is achieved, and the safety of railway operation is improved.

The invention discloses a diameter-expanding cable comprising a conductor, an insulation layer, an inner sheath, a shielding layer and an outer sheath. The cross section of the conductor is C-shaped; an inner lining layer is arranged in a cavity in the conductor and the inner lining layer adopts an insulating material filler; and the diameter-expanding cable sequentially comprises the inner lining layer, the conductor, the insulation layer, the inner sheath, the shielding layer, a metal armor layer and the outer sheath from inside to outside. A semiconductor shielding layer is arranged on theouter peripheral surface of the inner lining layer; and the semiconductor shielding layers are arranged on the outer peripheral surface and inner peripheral surface of the insulation layer. The diameter-expanding cable has the advantages that the cross section of the conductor is of a C-shaped design, thereby reducing the eddy current loss during the transmission of electrical energy through the cable, utilizing a current skin effect to increase the electrical conductance of the cable, saving materials, reducing the weight of the cable and the like.

The invention provides a protecting device and method for exhausting fan and roller blind machine of sunlight greenhouse. The protecting device is applied to a greenhouse roller blind and an exhausting system. The protecting device comprises a master control unit, a communication unit, a motor unit, a limiting unit and a protecting unit, wherein the protecting unit comprises a power-failure limiting module, a roller blind machine monitoring module and an exhausting fan monitoring module; the power-failure limiting module comprises a roller blind machine power-failure limiting module and an exhausting fan power-failure limiting module; the roller blind machine monitoring module and the exhausting fan monitoring module are used for respectively monitoring the rotation direction, number of turns and rotation speed of reels of the roller blind machine and the exhausting fan in real time, meanwhile, the roller blind machine monitoring module is used for monitoring an included angle betweenswing arms of a roller blind system, and the exhausting fan monitoring module is used for monitoring the temperatures and humidity in and outside a sunlight greenhouse in real time. According to the technical scheme provided by the invention, the roller blind and the exhausting system can be protected by virtue of hardware and software, so that the property loss or accident caused when a thermal insulation curtain is moved outside a specified position or an exhausting window is too big or small is avoided.

The invention discloses a torque-limiting-type contact non-return device which comprises an adjusting screw, a support tray, an adjusting washer, a connecting bolt, a guide sleeve, a butterfly-shaped spring, a dynamic friction sheet group, a static friction sheet group, a support sleeve, a connecting sleeve, a connecting tray, a non-return device and a protecting jacket. The support tray is connected with the support sleeve through the connecting bolt; the support sleeve is connected with the connecting tray through the connecting bolt; the connecting tray is connected with the non-return device through a key; the dynamic friction sheet group is embedded in an external tooth of the connecting sleeve through an internal tooth; the static friction sheet group is embedded in the internal tooth of the support sleeve through the external tooth; the protecting jacket is arranged between the support tray and the connecting sleeve; and the front end of the adjusting washer is in clearance fit with the guide sleeve and is embedded in the guide sleeve. The torque-limiting-type non-return device is compact in structure, has high reliability, is convenient to control centrally, is suitable for an upper-conveying multi-drive belt-type conveyer, and can enable the non-return torque of each set of driving device to be limited in a specific range, thereby achieving the aim of balanced load operation of the non-return device, and the operating safety factor of the belt-type conveyor is improved.

The invention relates to a lower bearing-type wheel rail operation mechanism of an electric railway empty coach, and the mechanism belongs to the technical field of electric railway empty coaches. The operation mechanism comprises at least four operation mechanism units; each operation mechanism unit comprises a driving wheel and a driven wheel which is arranged on the opposite side of the driving wheel; the driving wheels and the driven wheels are connected in a seamless railway in a rolling way; a pair of railway height adjusting devices are arranged at positions on the lower edge of the seamless railway which are opposite to the driving wheel and the driven wheel; and according to the structure, based on a three-point balance principle, height difference is difficult to eliminate on both railway surfaces on one side which is vertical to an operation direction; in addition, a high and a low super-high slopes are needed for running on a curve; and in such a manner, the running on an uneven railway surface is adjusted only by a steel ball and a combined cylindrical spiral compression spring, so that stable operation is realized. The lower bearing-type wheel rail operation mechanism of the electric railway empty coach has the advantages of high safety coefficient of operation, elaborate and simple structure, low cost and wide application prospect.

The invention discloses a tube busbar joint which is formed by adopting an anchor ear and a metallic sheath at the ends of copper and aluminium tube busbars and a copper composite tube busbar, or using an arc-shaped metallic pressing board to tightly fix soft copper and aluminium tapes on the end of the busbar by a screw bolt directly. The soft copper and aluminium tapes of the tube busbar joint is connected with terminals of other equipment, and the tube busbar joint tightly fixes the soft copper and aluminium tapes on the end of the busbar directly to form an integrated type, thus having no link bit, no contact resistance, reducing heat productivity, having large current carrying capacity, guaranteeing that the end of the busbar does not generate high temperature, and ensuring safe operation; and the busbar joint is the integrated type, thus cancelling original conversion hardware fittings, lowering cost directly, reducing the weight of the busbar and consumptive materials, and saving nonferrous metal and energy.

The invention provides a unified procurement management system for an enterprise. The system comprises a central server, a storage unit, a procurement management system, an enterprise user terminal, and a supplier terminal. The procurement management system is connected with the storage unit and the enterprise user terminal. The central server is connected with the procurement management system and the supplier terminal. The procurement management system comprises an intellectual property management unit, and the intellectual property management unit comprises an intellectual property information collection module and an intellectual property approval module. Through the arrangement of the intellectual property management unit, the system provided by the invention solves a problem that the management of intellectual property of the enterprise is scattered, enables the intellectual property management to be integrated into an original management system of the enterprise, optimizes an intellectual property management flow, and has advantages of convenient and centralized management.

The invention provides a production and management system for enterprises. The production and management system comprises a production controlling center and an intelligent production managing system. The production controlling center is in communication with the intelligent production managing system through a wireless local area network and controls the working procedures of the intelligent production managing system. The intelligent production managing system comprises an intellectual property right managing unit, and the intellectual property right managing unit comprises a declaration module, an investigating module and a checking module. The production and management system for enterprises provided in the invention, with the introduction of the intellectual property right managing unit, integrates intellectual property right managing into a current managing system of an enterprise, which solves the problem of slackness or lack of intellectual property right managing during the enterprises' production, optimizes the managing procedures of intellectual property right and has the advantages of achieving convenient and collective management.