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193results about How to "Safe and reliable work" patented technology

Contactor integrated with excitation function

The utility model relates to the field of circuit protection, in particular to a contactor integrated with an excitation function, and an excitation ignition assembly, a first piston, a first conductive part, an auxiliary contact system, a push rod, a melt, an air passage, a second piston and an elastic part are integrated in the contactor. The melt and the auxiliary contact system are connected in series and then are connected in series between the two static contacts. In a normal working state, the auxiliary contact system is insulated and disconnected, when an overload current, a short-circuit current or an abnormal condition occurs, the ignition assembly is excited to act to drive the first piston and the first conductive piece to move, the first conductive piece enables the auxiliary contact system to be conducted and closed, and the melt is connected into a main loop in a parallel connection mode; and then the second piston and the elastic piece are driven to displace through the air passage, so that the contact system is switched off, the elastic piece generates irreversible deformation, and the first piston and the first conductive piece push the push rod to disconnect the melt. According to the invention, the power loss is low, zero-current cut-off of a main loop can be realized, and the breaking capacity and the breaking reliability are improved.
Owner:XIAN ZHONGRONG ELECTRIC CO LTD

Energy storage battery module capable of efficiently dissipating heat

The invention discloses an efficient heat dissipation energy storage battery module which comprises a shell, an air inlet and an air outlet are formed in the side wall of the shell, a heat dissipation fan is arranged on the air outlet, a central air duct is arranged in the shell and communicated with the air outlet, a plurality of battery cells distributed in parallel are arranged in the shell, and heat dissipation partition plates are arranged between the adjacent battery cells. The front end face and the rear end face of the heat dissipation partition plate abut against the adjacent battery cells respectively, a heat dissipation air channel is arranged in the heat dissipation partition plate and communicated with the central air channel and the air inlet respectively, the front end face and the rear end face of the heat dissipation partition plate are provided with communication parts respectively, and the communication parts are communicated with the heat dissipation air channel and the adjacent battery cells respectively. The end face of the battery cell directly communicates with the heat dissipation air channel, heat conduction through a heat dissipation partition plate is not needed, the heat dissipation efficiency can be effectively improved, and work safety is guaranteed; and efficient heat dissipation can be realized without depending on the material heat conductivity coefficient of the heat dissipation partition plate, so that the manufacturing cost of the battery module is better controlled.
Owner:SHENZHEN EENOVANCE ENERGY TECH CO LTD

Self-powered friction structure and insole

The utility model discloses a self-powered friction structure and an insole. The self-powered friction structure comprises a negative electrode structure which comprises a first negative electrode material layer, a conductive fabric layer and a second negative electrode material layer which are connected in sequence, and the conductive fabric layer is located between the first negative electrode material layer and the second negative electrode material layer; the positive electrode structure comprises a positive electrode material layer and a base layer which are connected with each other; the plurality of elastic columns are uniformly distributed and are connected with the second negative electrode material layer and the positive electrode material layer to form a hollow structure; the first negative electrode material layer and the second negative electrode material layer adopt an electric polarity material different from that of the positive electrode material layer; the negative electrode structure, the elastic column and the positive electrode structure are integrally formed. According to the self-powered friction structure and the insole, the self-powered friction structure is integrally formed, has the advantages of being high in durability and stable in voltage output, can be conveniently cut at will, and meets the requirement for large-scale production.
Owner:ANTA (CHINA) CO LTD

Rapid mechanical excavation device and construction method suitable for hard rock tunnel engineering

The invention relates to the technical field of iron engineering, and provides a rapid mechanical excavation device and method suitable for hard rock tunnel engineering, the section of a tunnel is divided into an upper step area and a lower step area, and the upper step area and the lower step area are subdivided into three construction ranges A, B and C. The zone A adopts a diamond wire saw hydraulic drilling and cutting all-in-one machine to cut rocks; a crawler-type annular drilling machine is used for drilling in the area B, and then a hydraulic splitting rod is used for splitting a rock stratum; and the area C adopts a mine vertical disk saw and a horizontal disk saw for cutting, and then an excavator is used for crushing. The technology is suitable for hard rock strata, mechanical equipment is miniaturized, large vibration is avoided in the construction process, the influence on adjacent railways is small, and the working efficiency is high. And in the implementation case that the water conservancy tunnel passes through the combined high-speed rail roadbed, the construction influence is effectively reduced, and the construction speed is increased.
Owner:CHINA CIVIL GRP FUZHOU SURVEY & DESIGN INST CO LTD

Foundation structure for supporting high-temperature molten salt storage tank

The invention relates to the technical field of high-temperature heat storage, in particular to a foundation structure for supporting a high-temperature fused salt storage tank. The foundation structure comprises a concrete foundation layer, a ceramsite layer, a foam glass layer, a calcium silicate layer and a sand cushion layer which are sequentially stacked upwards from the ground. The sand cushion layer is used for making contact with the tank bottom of the high-temperature fused salt storage tank, receiving heat from the tank bottom of the high-temperature fused salt storage tank and conducting the heat downwards. The calcium silicate layer can keep the temperature of the foam glass layer to be lower than the temperature-resistant upper limit value when receiving heat transferred from the sand cushion layer. According to the foundation structure, the heat loss of the foundation structure in the ground direction can be reduced while the cost is not obviously increased, meanwhile, differential settlement is avoided, and the foundation structure is suitable for molten salt materials with the use temperature reaching 650 DEG C or above.
Owner:BLUESTAR BEIJING CHEM MACHINERY

Lithium metal battery pack health monitoring system and method of thin film sensor

The invention relates to the technical field of lithium metal battery health monitoring, and particularly discloses a lithium metal battery pack health monitoring system and method based on thin film sensors, the system comprises a plurality of thin film sensors distributed among lithium metal battery pack cells, and each thin film sensor comprises a temperature measuring unit, a pressure measuring unit, a flexible circuit board and silica gel foam; the adapter plate is electrically connected with the plurality of thin film sensors; the signal acquisition unit is electrically connected with the adapter plate and comprises a constant current source circuit, a signal conditioning circuit, a filter circuit and an analog-to-digital conversion circuit; the input end of the data transmission unit is electrically connected with the output of the analog-to-digital conversion circuit; the input end of the digital signal processor is electrically connected with the output end of the data transmission unit; and the input end of the battery management unit is electrically connected with the output end of the digital signal processor. The mechanical information and the temperature information between the battery monomers can be monitored at the same time, the battery management can evaluate the health state of the battery more comprehensively based on the information, and the abnormal problem can be warned in advance.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

TBM high-voltage cable recovery device

The utility model discloses a TBM (Tunnel Boring Machine) high-voltage cable recovery device which comprises a roller frame, a bottom plate is arranged on the lower surface of the roller frame, fixing structures are symmetrically and fixedly connected to the upper surface of the bottom plate, the bottom plate is connected with the roller frame through the fixing structures, a groove is formed in the outer wall of a roller, and circular plates are symmetrically and fixedly connected to the side walls of the roller. And the other side of the circular plate is in clearance fit with the inner side wall of the rotating roller frame. A groove is formed in the side wall of the rotating roller, the groove can be attached to a cable, the cable can be wound conveniently, meanwhile, circular plates are arranged on the two sides for shielding, the circular plates are designed to be large in specification, the TBM high-voltage cable can be wrapped on the outer wall of the rotating roller, the TBM high-voltage cable is prevented from being wound to the gap in the winding process, the orderly winding process is carried out while the safety of the TBM high-voltage cable is guaranteed, and the TBM high-voltage cable winding efficiency is improved. Abrasion is reduced to prolong the service life of the cable, the use efficiency and the working performance of the TBM are improved, and the quality, the service life and the working safety of the cable are ensured.
Owner:SINOHYDRO BUREAU 6 CO LTD

Intelligent anti-collision navigation buoy

The utility model discloses an intelligent anti-collision navigation buoy, which relates to the field of river navigation, comprises a lamp cabin, and is characterized in that the lamp cabin is a cylinder, a battery is mounted at the top of the lamp cabin, a lamp tube is fixedly mounted at the top end in the lamp cabin and corresponds to the battery, the lamp tube is hung in the center in the lamp cabin, and the lamp tube is connected with the lamp cabin. A clamping jaw structure is fixedly arranged on the outer cylindrical face of the lamp cabin, the clamping jaw structure is slidably connected with a clamping jaw, the signboard is convenient to replace, a light-emitting component is located in the main body, contact with the outside is reduced, the service life is prolonged, the lower end air cabin is designed in a split mode, and the performance of being prevented from being collided and frozen and extruded is improved.
Owner:QINGDAO NAVIGATION AIDS OFFICE BEIHAI NAVIGATION SUPPORT CENT MINISTRY OF TRANSPORT +1

High-efficiency robot obstacle avoidance control method and system in dynamic environment

The invention relates to a high-efficiency robot obstacle avoidance control method and system in a dynamic environment, and the method comprises the following steps: segmenting an object in the environment, obtaining a static object and a dynamic object, and extracting the center position information of the dynamic object; calculating a motion velocity vector of the dynamic object according to the center position information of the dynamic object; calculating a possible meeting position of the robot and the dynamic object based on the motion velocity vector of the dynamic object; counting the number of dynamic objects in the environment, and determining a hazard prediction constraint based on the number; calculating a first motion vector of the robot and a second motion vector of the dynamic object, and determining an efficient control constraint based thereon; solving steering optimal control based on the danger prediction constraint and the efficient control constraint; and obstacle avoidance control is carried out on the robot through steering optimal control. According to the invention, the robot realizes obstacle avoidance control in a dynamic environment by combining with the visual sensor, so that the robot can work in a complex dynamic environment more effectively and safely.
Owner:ZHAOQING UNIV

Electromagnetic chuck control system and excavator

The utility model relates to an electromagnetic chuck, in particular to an electromagnetic chuck control system and an excavator, the control system comprises a hydraulic pump, a control main valve used for controlling other hydraulic execution parts, a hydraulic motor used for driving a generator on the electromagnetic chuck, and a motor control valve used for controlling the hydraulic motor to start and stop; the system further comprises a pressure compensation valve, an oil inlet and an oil outlet of the pressure compensation valve are correspondingly connected with the hydraulic pump and an oil inlet of the control main valve, a P opening of the pressure compensation valve is connected with the oil inlet end of the motor control valve, and the oil outlet end of the motor control valve is communicated with the oil inlet end of the hydraulic motor and an LS opening of the pressure compensation valve at the same time. According to the utility model, the pressure compensation valve is arranged at the oil inlet end of the motor control valve to ensure that the flow flowing to the hydraulic motor does not fluctuate along with the fluctuation of the load, so that the hydraulic motor for driving the generator works stably and the electromagnetic chuck works safely.
Owner:LIUGONG CHANGZHOU MACHINERY +2

An automated cutting device for men's T-shirts

ActiveCN224280859UCutting is fast and accurateGuaranteed shape consistencySevering textilesKnife bladesIndustrial engineering
This application discloses an automated cutting device for men's T-shirts, belonging to the field of garment equipment technology. It provides a highly efficient and consistent automated cutting device for men's T-shirts, including a cutting table and a feeding mechanism and a recycling mechanism that cooperate with the cutting table. The feeding mechanism is adapted to supply fabric to the cutting table, and the remaining fabric scraps after cutting are rolled up by the recycling mechanism. The cutting table includes a base, a support platform fixedly connected to the upper surface of the base, a lifting plate connected to the upper surface of the base via a first cylinder, a constraint plate fixedly connected to the lower surface of the lifting plate via a traction rod, and a cutting blade connected to the upper surface of the constraint plate via a second cylinder. The cutting blade includes a cutting blade. This application, by designing a support platform, a pressing plate, and a cutting blade with the same shape as a flat men's T-shirt, can quickly and accurately cut individual fabric pieces under the drive of the cylinder, improving cutting efficiency while ensuring the shape consistency of the individual fabric pieces.
Owner:NINGBO EVERGRANDE KNITTING CO LTD

Supporting mounting frame for wind driven generator

The invention relates to the technical field of wind power generation equipment, and discloses a support mounting rack for a wind driven generator, which comprises a stand column, a wind driven generator, a base plate, a damping structure, a buffer plate and a mounting structure, and is characterized in that the wind driven generator is mounted at the top of the stand column; the base plate is fixed to the top of the stand column and upwards connected with a buffer plate through a damping structure, after the wind driven generator is put on the upper side of the buffer plate, the base plate, the buffer plate and the wind driven generator are connected together through a mounting structure, and the whole buffer plate and the whole wind driven generator vibrate under limitation of the mounting structure. Compared with the prior art, the supporting mounting frame for the wind driven generator has the advantages that the wind driven generator can be mounted without additional tools, and a good damping protection effect can be provided for the wind driven generator during working.
Owner:GUODIAN NORTHEAST NEW ENERGY DEV LTD +1

Wall temperature monitoring device for high-temperature superheater of boiler

The utility model discloses a wall temperature monitoring device for a high-temperature superheater of a boiler. The wall temperature monitoring device comprises a wall temperature anti-oxidation thermocouple, a self-radiating wiring terminal box and a temperature acquisition PLC (Programmable Logic Controller) control cabinet, the system is mainly composed of three parts, the front end is composed of a 20-point centralized high-temperature anti-oxidation thermocouple, and the 20-point centralized thermocouple is formed by drawing anti-oxidation composite steel and has a good resisting effect on high-temperature steam oxidation. According to the centralized total temperature thermocouple integration box convenient to dissipate heat, heat generated in the box body can be discharged through the heat dissipation fan set, and the heat dissipation fan set is fixed to the top end of the box body through bolts. The tail end forms a PLC control cabinet through a temperature acquisition module, and the temperature actually measured at the front end is acquired and then transmitted to a client DCS system through a cabinet body communication module, so that remote monitoring and control are realized. The problem that the wall temperature of the high-temperature superheater pipeline cannot be monitored is solved, and the situation of local high-temperature bursting caused by pipeline blockage or other conditions is effectively prevented.
Owner:YUHENG POWER STATION OF SHAANXI HUADIAN YUHENG COAL POWER CO LTD +1

A frozen soil refrigeration system and a method of using the same

The present invention relates to the technical field of frozen soil construction equipment, and discloses a frozen soil refrigeration system and a method for using the same, comprising an antifreeze water tank, a first refrigeration device and a U-shaped tube, wherein the first refrigeration device comprises a first evaporator, the first evaporator is connected to the antifreeze water tank through a pipeline, and the antifreeze water tank is connected to the U-shaped tube; wherein a coil is installed inside the antifreeze water tank. The frozen soil refrigeration system and the method for using the same, by arranging a frozen soil temperature sensor and a frozen soil pressure sensor in the soil to be frozen, people can always understand the freezing condition of the soil through the frozen soil temperature sensor and the frozen soil temperature sensor, and decide to add or reduce the number of refrigeration equipment operations, thereby ensuring that the refrigeration equipment can output sufficient and appropriate cold to the soil source.
Owner:KUNSHAN WENMING REFRIGERATION EQUIP CO LTD

Nozzle matching part of gas fuel injector

The utility model discloses a nozzle matching part of a gas fuel injector, which comprises a needle valve and an outer needle valve body, and is characterized in that an annular sealing groove is arranged on the sealing end surface of a gas fuel conveying gas inlet on the outer needle valve body; the upper end face of the outer needle valve body is provided with an annular sealing groove and an oil seepage groove communicated with a high-pressure oil control cavity containing control oil. According to the utility model, the annular sealing groove and the oil seepage groove are ingeniously designed on the outer needle valve body, so that the gas fuel injector is effectively sealed by high-pressure control oil. According to the double-sealing structure, the sealing performance of the ejector is remarkably improved, gas leakage is effectively prevented, the working safety and reliability of the ejector are greatly improved, and a solid guarantee is provided for stable operation of an internal combustion engine. Meanwhile, the innovative design also shows the advancement and the practicability of the gas fuel injector in the technical field of gas fuel injection.
Owner:BEIYOU ELECTRONIC FUEL INJECTION SYST (TIANJIN) CO LTD

Annular gas distribution structure, burner device and hot water equipment

The present invention relates to an annular gas distribution structure, a burner device and a water heater. During operation, the gas enters the surrounding gas distribution pipes from the gas inlet joint. Since each first channel is connected to at least one gas distribution pipe, the gas diverted in each gas distribution pipe will flow into the corresponding first channel, so that the gas entering from the middle flows evenly around the periphery of the first hollow portion in the gas distribution seat, effectively improving the uniformity of gas distribution. Since each first channel is correspondingly connected to at least one gas outlet, the gas flowing out of the surface of the gas supply seat remains evenly dispersed, ensuring that the gas flows evenly from all sides into the burner body. At the same time, the gas flowing from the gas outlet into the ejector pipe will inhale the air around the gas outlet, which effectively ensures that the primary air can be evenly inhaled into the gas burner body, making the combustion performance of the burner device better, which is conducive to more efficient and safe operation of the water heater.
Owner:GUANGDONG VANWARD NEW ELECTRIC CO LTD

Soybean milk separation centrifugal machine

The utility model discloses a soybean milk separating centrifugal machine, which relates to the technical field of centrifugal machines, and comprises a centrifugal tank, one side of the top of the centrifugal tank is rotatably connected with a top cover, the bottom of the centrifugal tank is provided with a damping mechanism for damping, and the centrifugal tank is internally provided with a connecting mechanism for conveniently disassembling a centrifugal cylinder. By means of the damping mechanism and the damping spring arranged between the centrifugal tank and the connecting sleeve, the effects that vibration and noise generated when the centrifugal tank works are reduced, the centrifugal tank works safely and reliably, and the influence on workers is reduced are achieved. And bean dregs in the centrifugal barrel are cleaned, so that the effect that the centrifugal barrel can be integrally cleaned, and the centrifugal barrel can be continuously used is achieved.
Owner:TONGYU COUNTY YIFAHE SOYBEAN PRODUCTS CO LTD

Forged steel gate valve

A forged steel gate valve is characterized in that a positioning boss is formed on the inner wall of a valve hole; a limiting boss is formed on the outer side wall of the head of the valve seat, the tail of the valve seat is bent outwards to form a turnup, and the limiting boss and the turnup of the valve seat are arranged at the two ends of a positioning boss respectively and are in limiting fit with the positioning boss. By the adoption of the scheme, the limiting boss is formed on the head of the valve seat, the tail of the valve seat is bent to form the turnup, the valve seat and the positioning boss in the valve hole can form reliable limiting, the valve seat cannot loosen due to thermal expansion and cold contraction, the problem that the valve seat is rushed out is effectively avoided, the structure is more stable, and work is safer and more reliable.
Owner:KCM VALVE

Spiral swing hydraulic device capable of achieving mechanical locking at any angle

The utility model discloses a spiral swinging hydraulic device capable of being mechanically locked at any angle, which comprises a cylinder barrel, a spiral output shaft, a front end cover, a rear end cover, a piston, a disc spring and a thrust ring, the spiral output shaft is arranged in the cylinder barrel, the two ends of the spiral output shaft penetrate through the front end cover and the rear end cover respectively, the spiral output shaft further penetrates through the piston, the thrust ring and the disc spring, the spiral output shaft is provided with a piston connecting part and a boss connecting part, and a piston protruding ring protruding outwards is arranged in the middle of the piston and is connected with the inner wall of the cylinder barrel in a sealed mode. The cylinder barrel is provided with a right-handed rotation oil inlet and a left-handed rotation oil inlet which are respectively communicated with the right-handed rotation oil inlet area and the left-handed rotation oil inlet area; the disc spring is arranged between the rear end cover and the thrust ring, and the thrust ring is movably connected with the cylinder barrel without rotation. In the using process, the gear shaft can be stably stopped at a certain position for a long time and can be effectively locked, and work is safe and reliable.
Owner:HANGZHOU LIXIN ENG TECH CO LTD

Fire alarm system control box of nuclear power plant and fire alarm system

The invention provides a fire alarm system control box of a nuclear power plant and a fire alarm system. The fire alarm system control box comprises a box body fixed on a wall body; the shielding layer is fixed on the inner wall of the box body; the output module is fixed in the box body; the output module is electrically connected with the signal input line and the signal output line to form an alarm loop. The output module receives fire alarm signals through the alarm loop. The output module is electrically connected with the power input line and the power output line to form a power supply loop which is used for supplying power to the output module. The output module is further electrically connected with the alarm circuit and the audible and visual alarm to form a control loop, and the output module controls the audible and visual alarm to give an alarm through the control loop when receiving the fire alarm signal. According to the fire alarm system control box of the nuclear power plant and the fire alarm system, the radiation shielding effect of the control box can be improved.
Owner:CHINA NUCLEAR POWER ENGINEERING COMPANY LTD +1

Telescopic ceiling for working platform and anchor rod drill carriage comprising telescopic ceiling

The utility model discloses a telescopic ceiling for a working platform and an anchor rod drill carriage comprising the telescopic ceiling. The telescopic ceiling comprises a top plate, a telescopic plate and a telescopic oil cylinder, wherein the telescopic plate is movably fixed below the top plate through a pressing plate mechanism. The pressing plate mechanism comprises bending pressing plates, first bending parts of the bending pressing plates are fixedly connected with the bottom of the top plate, gaps are formed between second bending parts of the bending pressing plates and the lower surface of the top plate, the second bending parts of the two bending pressing plates are oppositely arranged in a spaced mode to form sliding rails for installation and horizontal stretching and retracting of the telescopic plate, one end of the telescopic oil cylinder is connected with the telescopic plate, and the other end of the telescopic oil cylinder is connected with the top plate. The telescopic plate horizontally stretches out and draws back along the sliding rail under the action of the telescopic oil cylinder. By means of the split type sliding rail structure, the telescopic plate is more convenient to mount and dismount, the thickness of the sliding rail can be adjusted, the telescopic plate is not blocked, the telescopic plate can stretch out and draw back more smoothly, and the safety and reliability of the ceiling are improved. And free lifting of the top plate can be met, the operation space of operators is larger, and work is safer.
Owner:HEBEI JINGLONG INTELLIGENT EQUIP CO LTD

A bearing device with a common cavity structure

ActiveCN121738751BMeet the necessary lubrication conditions for normal operationSafe and reliable workTurbine/propulsion lubricationOil canFuel tank
This invention pertains to the field of turbine bearing technology, proposing a bearing device with a common cavity structure, comprising: a first bearing housing and a second bearing housing arranged adjacent to each other, coaxially aligned. A first oil return structure is located at the bottom of the first bearing housing, and a second oil return structure is located at the bottom of the second bearing housing. Both the first and second oil return structures are connected to an external oil collection tank. The bottoms of the first and second bearing housings are connected, enabling communication between the first and second oil return structures. By designing the two bearing housings with a bottom-connected structure, the problem of poor oil return is effectively avoided. Regardless of which side of the two bearing housings is higher, the lubricating oil can quickly return to the oil collection tank, meeting the necessary lubrication conditions for normal bearing operation and thus ensuring the safe and reliable operation of the engine.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST

Prefabricated thermal insulation pipe feeding mechanism

The utility model belongs to the technical field of thermal insulation pipes, and particularly relates to a prefabricated thermal insulation pipe feeding mechanism which comprises a movable support, a transverse moving air cylinder, a lifting air cylinder, a left clamping air cylinder, a right clamping air cylinder, a connecting frame, a guide rail, a moving seat, a lifting air cylinder connecting seat and a clamping air cylinder connecting seat. The connecting frame is fixed to the top of the movable support, a piston rod of the transverse moving air cylinder is connected with the moving seat, the other side of the moving seat is fixedly connected with the side portion of the lifting air cylinder connecting seat, a piston rod of the lifting air cylinder is connected with the top of the clamping air cylinder connecting seat, and the clamping air cylinder connecting seat is fixedly connected with the clamping air cylinder. Piston rods of the left clamping air cylinder and the right clamping air cylinder are provided with clamping arms respectively, and the clamping arms are provided with positioning columns. According to the device, the manual feeding procedure of workers is replaced, the labor intensity of the workers is relieved, the work is safer, time-saving and labor-saving, dust and noise pollution is reduced, and a better working environment is provided for the workers.
Owner:TIANJIN ZHONGHAO HEATING ENG CO LTD

Automatic pop-up and locking device for movable steel plate

The present invention relates to an automatic pop-up and locking device for a movable steel plate, which is used for automatically popping out and locking the movable steel plate on a die table. The device comprises a translation driving mechanism, a slider, a slide groove, a connecting rod, a lock hook swing arm, a rotating shaft seat and a fixed plate. The translation driving structure, the slide groove and the rotating shaft seat are all fixedly connected to the die table, the fixed plate is fixedly connected to the movable steel plate, the output end of the translation driving structure, the slider, the connecting rod and the lock hook swing arm are connected in sequence, the slide groove connects the slider for movement of the slider, the lock hook swing arm is rotatably connected to the rotating shaft seat, the lock hook swing arm is provided with a groove, the fixed plate is located in the groove, and the two ends of the groove are respectively provided with a first protrusion and a second protrusion, the first protrusion is used to hook out the fixed plate, and the second protrusion is used to resist the fixed plate. Compared with the prior art, the present invention can realize automatic pop-up and locking of the movable steel plate on the die table, greatly reducing manpower and improving the production efficiency of the equipment.
Owner:SHANGHAI ETERNAL MACHINERY

Trans-valve blood pump

The invention relates to a trans-valve blood pump which comprises a pump body, an input pipe, an output pipe, a first one-way valve, a second one-way valve, a bag body, a catheter, a third one-way valve, a fourth one-way valve and a pressure generating mechanism. A first opening communicated with the first containing space and a second opening communicated with the first containing space are formed in the surface of the pump body, one end of the input pipe is connected with the first opening of the pump body, and one end of the output pipe is connected with the second opening of the pump body. According to the trans-valve blood pump, through the design that the third one-way valve and the fourth one-way valve are arranged on the catheter, blood of a patient replaces external fluid to drive the bag body to expand and contract, so that the problem that the external fluid enters blood circulation is effectively avoided, and the blood pump works more safely and reliably; the health risk caused by external fluid leakage is avoided, and the stability and adaptability of the equipment are improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF SOOCHOW UNIV

Papermaking felt production needling machine capable of preventing needle breakage with high precision

The utility model discloses a high-precision needle breaking prevention needling machine for papermaking felt production, and belongs to the technical field of needling machines. The device is provided with a rack, a receiving frame, a feeding roller, a lower protection baffle, a first roller, a second roller, a needling limiting plate, a needling needle baffle, an upper protection plate, a limiting assembly, a second motor, a supporting plate, a rotating shaft, a rotating disc, a lengthening rod, a transmission rod, a needling needle beam, a needling needle fixing clamping plate, a needling needle body, a pressure buffering assembly, a partition plate, a first motor, a third roller, a receiving roller and a control switch. A telescopic spring on the outer side of the pressure buffering plate is matched with a telescopic rod on the top for buffering, so that auxiliary pressure buffering is ensured when the felting needle body works on the papermaking felt, the felting needle body is ensured to be stably contacted with the top of the papermaking felt, and circulating operation is realized; and then the pricking needle bodies can be separated from one another through the pricking needle baffle so as to ensure the efficiency of the pricking operation.
Owner:SICHUAN BONIDE FABRIC CO LTD

Automatic double-filling conveying device and filling method

The invention discloses an automatic double-filling conveying device and a filling method, and relates to the technical field of filling and conveying, the automatic double-filling conveying device comprises a turntable, a driving gear, a driven gear and a motor, the motor is connected with a driving gear shaft through a speed reducer, the driving gear shaft is connected with the driving gear, the driving gear is meshed with the driven gear, and the driven gear is connected with a driven gear shaft. The driven gear shaft is connected with the turntable. According to the invention, double-bayonet filling and transportation are adopted, so that the production and transportation efficiency is improved; gear transmission is adopted, and the advantages of accurate transmission ratio, stable transmission, high transmission efficiency and long service life are achieved; the incomplete driving gear is meshed with the driven gear with full teeth, so that the driven gear drives the turntable to intermittently rotate to realize the filling process, the filling speed can be adjusted according to the volume of a filling vessel, the gear transmission ratio and the rotating speed, the practicability and the flexibility are high, and meanwhile, the filling accuracy is ensured.
Owner:HUNAN INST OF INFORMATION TECH

Novel motor for injection molding

The utility model discloses a novel motor for injection molding. The novel motor comprises a motor shell, a motor rotor arranged in the motor shell, a transmission shaft connected with the motor rotor, and a thrust bearing sleeved on the transmission shaft, wherein one end of a plasticizing part is connected with the transmission shaft; the motor shell is provided with a motor front cover plate and a motor rear end cover which are respectively matched with the motor shell; the motor shell, the motor front cover plate and the motor rear end cover form an accommodating cavity for accommodating the motor rotor, the transmission shaft and the thrust bearing; the motor shell is provided with a cooling liquid inlet and a cooling liquid outlet which are respectively communicated with the accommodating cavity. According to the novel motor for injection molding, the motor rotor drives the transmission shaft to rotate synchronously, and the transmission shaft is connected with the plasticizing part, so that the motor rotor in the accommodating cavity is cooled in real time by utilizing high temperature generated by rotation and long-time work of the plasticizing part and cooling liquid in the accommodating cavity, and the novel motor for injection molding is ensured; and long-time working is safe and reliable.
Owner:FUYIKAI ELECTRICAL