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29results about How to "Avoid dangerous accidents" patented technology

Lifting equipment strength test device

The utility model belongs to the technical field of strength detection of equipment, and particularly relates to a lifting equipment strength testing device. Comprising a labor-saving assembly, a force application rope and a counterweight rope, and the labor-saving assembly is arranged above tested equipment; one end of the counterweight rope is connected with the counterweight block, and the other end of the counterweight rope provides pulling force for the force application rope through the labor-saving assembly, so that the pulling force of the force application rope on the tested equipment is greater than the gravity of the counterweight block; the tail end of the force application rope is connected with tested equipment; and the counterweight rope and the force application rope are vertically arranged. According to the utility model, the force application direction is changed through the labor-saving assembly, so that the space occupied by the equipment is reduced, and the tension of the force application rope on the equipment to be tested is greater than the gravity of the balancing weight; and therefore, the number and the weight of the used balancing weights can be reduced, the labor intensity of testers is reduced, and the strength test convenience is improved.
Owner:JUYI TECH SHANGHAI CO LTD

Vehicle-mounted charging and discharging circuit and method

The invention discloses a vehicle-mounted charging and discharging circuit and method, and relates to the technical field of power supplies, and the circuit comprises a controller, a first switching module, a second switching module, a multi-stage filter circuit, and a power factor correction circuit. The controller controls the first switching module to switch a first connection mode between the multi-stage filter circuit and the external device based on the current external device, and controls the second switching module to switch a second connection mode between the multi-stage filter circuit and the power factor correction circuit. The multi-stage filter circuit is matched with the power factor correction circuit to be switched to a corresponding working mode to work, so that alternating current of a specific type is efficiently transmitted, and the multi-stage filter circuit is compatible with a charging function and a reverse discharging function through any one of single-phase alternating current, two-phase alternating current and three-phase alternating current. And different power grid structures adopted by customers in different regions can be coped with, meanwhile, the electricity utilization safety is ensured, and dangerous accidents caused by excessive electric energy stored in the circuit are avoided.
Owner:SUZHOU INOSA UNITED POWER SYST CO LTD

Bridge support hoisting equipment

The invention discloses bridge support hoisting equipment which comprises a rotating seat and a hoisting mechanism, the hoisting mechanism is mounted on the rotating seat, the hoisting mechanism is connected with an adjusting mechanism, and the adjusting mechanism is connected with an adjusting self-locking mechanism; the adjusting mechanism comprises a fixing frame, a second motor, a first threaded rod, a movable block and a guide rod, and the second motor is fixed to the fixing frame. According to the bridge support hoisting equipment, the adjusting mechanism is adopted, preliminary limiting can be conducted when a bridge support is hoisted, in the hoisting process, through the gravity effect of the bridge support and the cooperation of the transmission effect of a gear and a rack, secondary limiting and fixing of the bridge support can be achieved, and the self-locking effect can be achieved under the gravity effect; and the limiting mechanism is prevented from loosening, so that the safety in the hoisting process is effectively guaranteed, the position of the bridge support can be conveniently adjusted in the mounting process by matching with the position adjusting mechanism, and the accuracy of the mounting position of the bridge support is guaranteed.
Owner:JIANGSU WANBAO BRIDGE MEMBER CO LTD

Wireless interlocking protection system for hydraulic and pneumatic tongs

The utility model relates to the technical field of petroleum drilling machine control, and provides a hydraulic-gas power tong wireless interlocking protection system which comprises a hydraulic-gas power tong, a comprehensive hydraulic station connected with the hydraulic-gas power tong through an input hydraulic pipeline, a vertical pipe arranged on the side, away from the hydraulic power tong, of the comprehensive hydraulic station, a pressure measuring connector arranged on the vertical pipe and a vertical pipe pressure detection module. The stand pipe pressure detection module is used for detecting real-time stand pipe pressure and outputting a safety interlocking instruction when it is detected that the stand pipe pressure is larger than a preset safety threshold value; and a hydraulic pipeline management module arranged between the hydraulic and gas tongs and the comprehensive hydraulic station is used for switching off / switching on an input hydraulic pipeline when the safety interlocking instruction is detected / not detected, and starting / stopping alarming under the switching-off / switching-on condition. The system ensures that the hydraulic-gas power tongs do not respond to dangerous operation of operators when the pressure of the vertical pipe exceeds a safety threshold value, the dangerous accident that a drill rod is detached under the high-pressure state of the vertical pipe is thoroughly eradicated, and the use safety of the hydraulic-gas power tongs is effectively improved.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Ingot mould trolley with fixing structure

The utility model relates to the technical field of ingot mould vehicles, in particular to an ingot mould vehicle with a fixing structure, which comprises a bottom plate, supporting legs are fixedly connected to the surface of the bottom plate, sliding grooves are formed in the supporting legs, extension rods are slidably connected to the interiors of the sliding grooves, and a bearing plate is fixedly connected to the top ends of the extension rods. A mold is arranged in the middle of the surface of the bearing plate, a square block is fixedly connected to the surface of the bearing plate, a threaded hole is formed in the surface of the square block, a lead screw is in threaded connection with the interior of the threaded hole, a clamping plate and a handle are fixedly connected to the two ends of the lead screw correspondingly, and the clamping plate abuts against the surface of the mold. According to the ingot mould trolley, clamping of the mould on the bearing plate is achieved, so that the mould and the ingot mould trolley can be kept in a fixed state when the ingot mould trolley is moved, displacement and rollover of the mould due to inertia when the ingot mould trolley is moved and stops moving are avoided, and dangerous accidents can be avoided.
Owner:QINGDAO JIXIN MASCH EQUIP CO LTD

A kind of electronic glass flexible spacer film winding device

The present invention discloses an electronic glass flexible spacer film winding device, which belongs to the technical field of electronic glass film winding, and comprises a control box one and a control box two, wherein a motor one is installed inside the control box two, and an output end of the motor one passes through the outer side of the control box two and is provided with a winding roller, a cutting module is provided between the inner walls of the control box one and the control box two, and the cutting module is located at the lower side of the winding roller, a storage groove is provided at the outer end of the control box one, a positioning module is rotatably installed between the inner walls of the storage groove, a conveying module is slidably connected between the inner walls of the control box one and the control box two, a pressing edge module is sleeved on the outer end of the conveying module, and a tension adjustment module is provided on the rear side of the conveying module. By developing an electronic glass film winding device which is intelligent, convenient and has lower cost, it is possible to achieve more efficient winding efficiency and more stable operation during the winding of the electronic film, and at the same time, it has a wider range of applications and lower costs.
Owner:ANHUI RULING NEW MATERIAL TECH CO LTD

Vehicle-mounted cooking system and vehicle

ActiveCN224060945UCut off the power in timeavoid dangerous accidentsVehicle arrangementsElectric/fluid circuitIn vehicleControl engineering
The utility model relates to the technical field of vehicle-mounted cooking, and provides a vehicle-mounted cooking system and a vehicle. The vehicle-mounted cooking system comprises cooking equipment, a power supply unit, a power utilization monitoring unit and a control unit. The power supply unit is connected with the cooking equipment to supply power to the cooking equipment. The power utilization monitoring unit is connected with the cooking device so as to monitor the power utilization state of the cooking device. The control unit is connected with the power utilization monitoring unit and the power supply unit, and can control the working state of the power supply unit based on the monitoring result of the power utilization monitoring unit. In the actual working process, when the power utilization state of the cooking equipment is abnormal, the control unit can control the power supply unit to stop power supply in time, so that the power supply of the cooking equipment can be cut off in time, and dangerous accidents are avoided.
Owner:XINXING JIHUA (BEIJING) INTELLIGENT EQUIP TECH RES INST CO LTD

A soft bullet launching tube toy

ActiveCN111068346Bimprove securityavoid dangerous accidentsToysSoft materialsContact position
This invention discloses a soft bullet launcher toy, comprising: a launch tube, which is a through-tube structure; a soft bullet, comprising a soft material outer layer and a core tube placed at the center inside the soft material outer layer; and a launching device mounted on the launch tube, comprising a launch mechanism and a trigger mechanism; the contact position between the trigger mechanism and the soft bullet is called the trigger point; the radial distance from the trigger point to the central axis of the soft bullet is greater than the radius of the core tube. This invention places the trigger point at a position larger than the diameter of the core tube, ideally near the maximum diameter of the projectile. In other words, the greater the radial distance from the trigger point to the central axis of the soft bullet, the better. This makes the projectile unusable once only a small-diameter, thin part such as the core tube remains, greatly improving safety and effectively preventing dangerous accidents.
Owner:SHENYANG EVERTON TOYS TRADING CO LTD

A potential landslide identification method based on coupling of InSAR deformation and influencing factors

The present invention discloses a potential landslide identification method based on the coupling of InSAR deformation and influencing factors. The method combines time-series InSAR technology, spatial statistical analysis, optical remote sensing images and machine learning methods to carry out early identification research of regional potential landslides, so as to improve the recognition efficiency and accuracy and realize the prediction of the spatial position of the landslide. The method fully considers the respective advantages of PS-InSAR and SBAS-InSAR, and extracts the surface deformation of the unit area by combining PS-InSAR and SBAS-InSAR, thereby overcoming the problem that the density of deformation points generated by SBAS-InSAR is too low and the deformation accuracy is too low in mountainous areas with more vegetation. The method comprehensively considers the formation mechanism of the landslide in the region, and on the basis of obtaining the weight of the landslide influencing factor by adopting the support vector machine model method, the landslide influencing factor is introduced into the InSAR deformation by adopting the full probability formula, and the deformation points where the influencing factor has a greater impact on the landslide are screened out, thereby improving the accuracy of the spatial clustering of the deformation points and the outlier analysis.
Owner:SOUTHWEST PETROLEUM UNIV

Safety glove provided with coating and easy to put on and take off

ActiveCN222565178Uavoid dangerous accidentsRealize security protectionProtective garmentHand partsCoating
The utility model provides a safety glove provided with a coating and easy to put on and take off, the safety glove comprises finger parts and a palm part, the glove is provided with a tearable area and a safety area, and the tearable area is arranged around at least one finger part and / or around the palm part; the tensile strength of the tearable area is smaller than that of the safe area; a first coating is arranged on the outer surface of the safety area; a second coating different from the first coating is arranged on the outer surface of the tearable area, and the tensile strength of the second coating is smaller than that of the first coating. The utility model has the advantages that when the second coating arranged on the outer surface of the tearable area is used for dipping the first coating, a mask can be formed, the first coating is separated, and the first coating is prevented from being adhered to the tearable area to influence the easy-to-tear performance of the tearable area; when the glove is mechanically twisted in, the tearable area can be easily torn and snapped, a user can quickly pull out the hand, and safety protection is achieved.
Owner:ANDANDA IND (SHANGHAI) CO LTD

Liquefied gas bottle transportation device

The utility model relates to the technical field of liquefied gas storage tank transportation, in particular to a liquefied gas bottle transportation device which comprises a transportation box, an adjusting and fixing mechanism arranged on the transportation box and an auxiliary protection assembly arranged on the transportation box. According to the liquefied gas bottle transporting device, through the arranged adjusting and fixing mechanism, under the mutual cooperation of all structures on the transporting box, the same batch of liquefied gas storage tanks with different specifications can be fixed, and therefore the phenomenon that the liquefied gas storage tanks shake randomly in the transporting process, collide and even leak is avoided; the adjusting and fixing mechanism is easy to produce, low in production cost and convenient to produce and use in a large scale, meanwhile, under the mutual cooperation of the auxiliary protection assemblies, the vertical acting force can be offset when the liquid gas storage tank is bumped, and therefore collision of the gas nozzle part of the liquid gas storage tank is reduced, dangerous accidents are avoided, and the service life of the liquid gas storage tank is prolonged. Therefore, the transportation efficiency of the liquefied gas storage tank is improved, and the safety performance during transportation is improved.
Owner:SHIJIAZHUANG FLITE GAS CO LTD

Gas meter with intelligent adjustment function

The utility model provides a kind of gas meter with intelligent adjusting function, it is related to gas meter technical field, including gas meter main part;The inside front end intermediate position of gas meter main part is fixedly installed with display controller, and the inside front lower position of gas meter main part is slidably connected with push-pull cover, and battery is placed in the inside position of push-pull cover.It is equipped with safety pipe, stretching part, closure pad and other structures when abnormal situation such as gas leakage occurs, and circuit board can control stretching part to stretch, so that the taper position of closure pad is attached to the taper groove of safety pipe, rapidly cut off gas supply, effectively avoid the occurrence of dangerous accident.Solve the problem that traditional gas meter lacks effective automatic gas supply cut-off mechanism, when gas leakage and other dangerous situations occur, gas delivery cannot be timely blocked in larger security risks.
Owner:深圳市睿荔科技有限公司

Coating chamber assembling method

The invention relates to the technical field of film preparation, in particular to a film coating chamber assembling method, a main body of a film coating chamber is fixedly mounted on a stand, and internal parts of the main body of the film coating chamber are mounted by entering the main body of the film coating chamber from the bottom of the stand; a lifting cart is arranged on one side of the stand, and the lifting cart is fixedly connected with the stand; releasing the fixed connection between the main body of the coating chamber and the stand, and moving the internally assembled main body of the coating chamber from the stand to the lifting cart; and the fixed connection between the lifting cart and the stand is relieved, and the main body of the coating chamber is transferred to the next station position. The method has the advantages that on the basis of ensuring the assembling quality and precision, the assembling efficiency of the coating chamber is effectively improved, and the assembling time is shortened; the safety of assembly operation is effectively improved, and dangerous accidents are avoided; the device is simple and reasonable in structure, high in flexibility, convenient to use and suitable for popularization.
Owner:GUANGCHI SEMICON TECH (SHANGHAI) CO LTD

Operating platform of movable column gantry machining center

The utility model belongs to the technical field of gantry machining, and particularly relates to a movable column gantry machining center operating platform which comprises a bottom plate, a plurality of keel plates are arranged at the bottom of the bottom plate, a plurality of reinforcing plates are arranged on the keel plates, the reinforcing plates enable the keel plates to be fixedly connected with the bottom plate through screws, inserting grooves are formed in the front side and the two ends of the bottom plate, and fences are inserted into the inserting grooves. A mechanical arm is arranged at one end of the bottom plate, an operation host is arranged at the upper end of the mechanical arm, a baffle is arranged on the rear side of the bottom plate, a fixed window plate is arranged on one side of the baffle, the fixed window plate is connected with a rotating door through a door spindle, a sliding rail is arranged on the rear side of the bottom plate, and a sliding door is arranged in the sliding rail in a sliding mode. According to the operating platform for the movable column gantry machining center, the stability and the safety of the operating platform are considered, the use experience and the working efficiency of operators are fully considered, and the operating platform for the movable column gantry machining center is excellent in comprehensive performance.
Owner:SHANDONG HAIKUN CNC EQUIP CO LTD

Punch-formed train hand wheel

ActiveCN224211072UAvoid emergency braking situationsavoid dangerous accidentsRail brake actuationControl theoryMechanical engineering
The utility model relates to the technical field of hand wheels, in particular to a punch-formed train hand wheel which comprises a hand wheel body, the hand wheel body is arranged on a rotating rod in a sleeved mode, a lower baffle ring and an upper baffle ring are fixedly connected to the rotating rod, the hand wheel body is located between the lower baffle ring and the upper baffle ring, and an installation cavity is formed in the hand wheel body. An inserting column is connected into the mounting cavity through a triggering mechanism, a through hole is formed in the mounting cavity in a penetrating mode, an inserting hole is formed in the rotating rod, and the inserting column can penetrate through the through hole to enter the inserting hole. According to the utility model, the emergency braking condition caused by mistaken touch is avoided, and dangerous accidents are prevented from being caused.
Owner:HUBEI CHILU MACHINERY MANUFACTURING CO LTD

Cleaning robot and cleaning equipment

The present application provides a cleaning robot arm and a cleaning device, the cleaning robot arm comprises: a fixed arm, a first flow channel is provided inside the fixed arm; a rotating shaft, the rotating shaft is mounted on the fixed arm, a second flow channel is provided inside the rotating shaft, the first flow channel is connected to the second flow channel; a rotating arm, the rotating arm is mounted on the rotating shaft, the rotating arm has a third flow channel, the third flow channel is connected to the second flow channel; the rotating shaft is rotatable relative to one of the fixed arm and the rotating arm, and is fixed relative to the other of the fixed arm and the rotating arm; wherein, during the rotation of the rotating arm, the first flow channel remains connected to the second flow channel, and the third flow channel remains connected to the second flow channel. The present application can avoid the phenomenon that the hose is easily damaged by friction with the joint of the robot arm during the rotation of the robot arm, which is conducive to avoiding dangerous accidents caused by leakage of high-pressure water.
Owner:SHANGHAI FE MOVAC PRECISION MACHINE

Internal wedge-shaped piece bolt and prestress adjusting method thereof

The invention discloses an internal wedge-shaped piece bolt and a prestress adjusting method thereof, and relates to the technical field of bolt thread pre-tightening force. Comprising a bolt body, external threads are arranged on the outer wall of the bolt body, a nut is connected outside the bolt body, a wedge-shaped hole extending inwards is formed in the end face of the end, provided with the external threads, of the bolt body, and a threaded hole is formed in the bottom end of the wedge-shaped hole; a through hole is formed in the wedge-shaped piece in the axial direction of the wedge-shaped piece; the end, provided with the threads, of the pressure bolt penetrates through the through hole and is in threaded connection with the threaded hole, and along with increase of the thread screwing length of the pressure bolt and the threaded hole, a bolt head of the pressure bolt extrudes the wedge-shaped piece to move into the wedge-shaped hole, so that the position, provided with the external threads, of the bolt body and the nut are tensioned. According to the bolt with the internal wedge-shaped part, the bolt head of the pressure bolt continuously extrudes the wedge-shaped part, so that the wedge-shaped part extrudes the bolt body, the tightness and safety of connection are improved, and dangerous accidents caused by looseness of the bolt are avoided.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS

High-temperature embossing device for yoga mat production

ActiveCN224602286Ueasy to movereduce workload
The utility model discloses a high -temperature knurling device for yoga mat production, including work table, the lower fixed connection of work table has a pair of fixed plate, and one side of fixed plate is provided with motor, and the output of motor penetrates fixed plate and is connected with fixed connection of threaded rod, and one end of threaded rod is rotatably connected with fixed plate, and the threaded connection of threaded rod is limited to the limit board, and the limit hole is seted up on the work table, and one end of limit board penetrates limit hole and is connected with the fixed connection of first push board, and one side of first push board is fixedly connected with a pair of L shape board, and be provided with first electric telescopic handle on L shape board, and the output fixed connection of first electric telescopic handle has second push board, and the upper fixed connection of work table has a pair of baffle, and the ground on one side of work table is placed with collection box, and the device need not manual yoga mat to be placed to the printing stamping board below, avoid appearing dangerous accident, can automatically collect the yoga mat after printing simultaneously, reduce the work load of staff, improve work efficiency.
Owner:XIANGTAN HUAN YA IND CO LTD

Angle steel punching device with self-cleaning function

The invention discloses an angle steel punching device with a self-cleaning function, comprising a punching machine, characterized in that: a feeding control component is arranged at the rear of the punching machine, a temperature control component is arranged at the front of the punching machine, the feeding control component comprises a motor, a transmission shaft is coaxially installed at the right end of the motor, a transmission wheel is fixedly installed above the transmission shaft, a transmission gear is meshed and connected below the transmission wheel, a feeding roller is fixedly installed below the transmission gear, a transmission roller is slidably connected below the feeding roller, a connecting rod is connected to the internal bearing of the transmission roller, a transmission rod is connected to the other end bearing of the connecting rod, a sliding block is fixedly installed below the transmission rod, a first pneumatic cylinder is slidably connected below the sliding block, a transmission pipeline is fixedly installed below the first pneumatic cylinder, and the invention has the characteristics of controlling cutting length and overheating protection.
Owner:JIANGYIN KEYANG MASCH EQUIP CO LTD

Novel electric energy metering cabinet

The utility model discloses a novel electric energy metering cabinet, which belongs to the technical field of electric energy measurement and monitoring and comprises a metering cabinet body, a placement plate is arranged in the metering cabinet body, a partition plate is arranged above the placement plate, a main control unit is installed above the placement plate, a protection device is arranged above the partition plate, and a metering module is arranged at the bottom of the placement plate. The metering module comprises a current transformer and a voltage transformer, the metering module, the protection device and the main control unit are electrically connected, a mounting plate is arranged on one side of the metering cabinet, multiple groups of communication interfaces are arranged in the mounting plate, and heat dissipation holes are formed in the two sides of the inner wall of the metering cabinet; when the system is used, a modular design thought is adopted, the maximum utilization of hardware resources is realized, the system debugging period is shortened, the subsequent operation and maintenance work is simplified, the environment adaptability and the electrical safety performance of equipment are enhanced, the application range is widened, and the system is particularly suitable for high-risk operation areas in the industries of chemical engineering, metallurgy and the like.
Owner:SHANGHAI SMATA ELECTRIC COMPLETE SET CO LTD

Carbon dioxide fracturing system and control methods

This invention relates to a carbon dioxide fracturing system and control method, belonging to the field of oil and gas extraction technology. The carbon dioxide fracturing system of this invention includes a liquid supply module, a fracturing pump injection module, a precooling module, a venting module, and a control module. The liquid supply module stores and supplies liquid carbon dioxide. The fracturing pump injection module is connected to both the liquid supply module and the well to be fractured. The precooling module is connected to the liquid supply module to precool it. The venting module is connected to both the liquid supply module and the fracturing pump injection module. The control module is connected to the liquid supply module, fracturing pump injection module, precooling module, and venting module to monitor and control their operation. The technical solution disclosed in this invention can solve the problems of low automation in existing carbon dioxide fracturing operations, which generally rely on manual operation, resulting in high labor intensity and safety hazards.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Factory safety parameter detection device for filter capacitor

The utility model relates to a filter capacitor factory safety parameter detection device, which comprises a device main body, two interlayers are arranged in the device main body, the device main body is divided into three chambers by the interlayers, a current transformer, a test transformer and a harmonic source are arranged in the bottom chamber, a guide rail is arranged on the middle interlayer, and the middle interlayer is connected with the guide rail. A data collector and two alternating current contactors are arranged on the guide rail, a molded case circuit breaker is arranged on the interlayer on the topmost surface, the current transformer is connected with the data collector through a secondary cable, and the two alternating current contactors are respectively connected with a harmonic source. The device is different from factory detection equipment of traditional capacitor manufacturers, is a secondary factory detection device suitable for harmonic suppression manufacturers, and can better feed back the actual use effect of the capacitor, confirm the use safety of the capacitor and ensure that field application conforms to the scheme expectation.
Owner:CHONGQING LZS TECH

Mine coal seam gas drainage auxiliary device

The present invention provides a mine coalbed methane drainage auxiliary device, which includes: a mounting assembly and a sealing assembly, the mounting assembly is composed of a base plate, and a dust removal assembly and a purification assembly are fixedly installed on the surface of the base plate, the sealing assembly is arranged on one side of the mounting assembly, the sealing assembly is interconnected with the dust removal assembly through a connecting mechanism, and a protection mechanism and a monitoring mechanism are respectively arranged on the top of the sealing assembly. The present application adopts a skid-mounted mounting assembly that can be assembled and transported according to the wellhead position, and the wellhead is sealed by the sealing assembly, and the sealing position is monitored by the monitoring mechanism, the protection mechanism is used to adjust the pressure in the well, and the automatic discharge of coalbed methane is realized, and the water vapor and impurities in the coalbed methane are preliminarily filtered by the dust removal assembly, and efficient removal is achieved by centrifugation, the coalbed methane can be purified and adsorbed by the purification assembly, and the two sides of the purification assembly are used to work in sequence to achieve the treatment of coalbed methane, thereby improving the drainage efficiency.
Owner:QIDONG COALMINE ANHUI WANBEI COAL ELECTRICITY GROUP

Interlocking structure for environment-friendly gas insulation ring main unit

The utility model discloses an interlocking structure for an environment-friendly gas insulation ring main unit, which comprises an upper cabinet body, a lower cabinet door, an isolation plate and an isolation brake, a door body interlocking device is in bolted connection with the top of the part of the lower cabinet door inside the lower cabinet, the isolation plate is arranged between the upper cabinet body and the lower cabinet door, and the isolation brake is arranged between the upper cabinet body and the lower cabinet door. The lower side wall of the isolation plate is in bolt connection with a cabinet body interlocking device, the door body interlocking device comprises a door body interlocking shell and a safety groove, and the safety groove is formed in the position, close to the lower end, of the rear side wall of the door body interlocking shell. According to the utility model, the door closing condition of the lower cabinet door is detected through the door closing contact, and the safety pin is driven by the spring to extend into the safety groove in the safety rod, so that the driving handle is locked, and the knife switch is blocked by the driving handle and cannot be closed when an operator closes the knife switch, thereby ensuring that the knife switch cannot be closed when the lower cabinet door is not closed. Therefore, the operation safety of workers is fully ensured, and the occurrence of dangerous accidents caused by accidental switching-on is prevented.
Owner:WANMA TECH CO LTD

Power battery pack waterproof vent valve detection device and detection method

ActiveCN114750596Bavoid dangerous accidentsElectric devicesMeasurement devices
The present invention discloses a power battery pack waterproof and breathable valve detection device, comprising: a power battery pack, which is provided with a battery management system; a waterproof and breathable valve, which is provided on the power battery pack and communicated with the interior of the power battery pack; a first temperature and humidity sensor, which is provided on one side of the waterproof and breathable valve and located inside the power battery pack; a second temperature and humidity sensor, which is provided on one side of the waterproof and breathable valve and located outside the power battery pack; an embedded unit, which is respectively connected to the battery management system, the first temperature and humidity sensor and the second temperature and humidity sensor; a microcontroller, which is connected to the embedded unit; and an automobile electronic control system, which is connected to the microcontroller; the embedded unit obtains operating condition data of the power battery pack and temperature and humidity data on both sides of the waterproof and breathable valve, generates a calculation result and transmits it to the microcontroller, the microcontroller processes the calculation result to generate a processing result, determines whether the waterproof and breathable valve function fails, generates an analysis result and sends it to the automobile electronic control system to remind the driver.
Owner:SOUTH CHINA UNIV OF TECH

A fully automatic intelligent two-component road polyurethane metering device

The present invention relates to a fully automatic intelligent two-component road polyurethane metering device, which belongs to the technical field of metering devices, and includes: a feed pump A, a shell and tube heat exchanger, a stirring tank, a discharge pump, a metering pump, a feed pump B, a stirrer and a dryer, wherein the discharge ports and feed ports of the feed pump A, the shell and tube heat exchanger, the stirring tank, the discharge pump and the metering pump are sequentially connected in series through a feed pipe; the discharge port of the feed pump B is connected to the feed port of the stirring tank through a feed pipe. The present invention combines the material properties and production process standards of the two-component road polyurethane, and uses the feed pump A and the feed pump B to synthesize a two-component road polyurethane with a certain mixing ratio; then uses a shell and tube heater for heating, which can effectively avoid condensation and blockage of the mixed two-component road polyurethane and improve the fluidity of the two-component road polyurethane; finally, the two-component road polyurethane is quantitatively output by a metering pump, thereby improving the accuracy of the quantitative output of the metering device.
Owner:WANHUA SHENGDA (SHANDONG) TRANSPORTATION TECH CO LTD

A steam cooker

The application discloses a steam stove, which comprises a stove body, an inner stove ring, a water tank, an outer stove ring and a fuel feeding device, the inner stove ring is fixed above the stove body through a supporting leg, and a combustion chamber is arranged in the stove body; the fuel feeding device is used for feeding fuel into the combustion chamber; the outer stove ring is arranged outside the inner stove ring and is fixedly connected with the inner stove ring; the water tank is fixed outside the outer stove ring, and a steam pipe is connected to a side wall of the water tank; a chimney is connected to the inner stove ring, the chimney is arranged through the side wall of the inner stove ring near the top, one end of the chimney extends into the inner stove ring, and the other end of the chimney extends to the outside through the outer stove ring and the water tank. The application provides a cooking tool which is convenient to use, can heat water by using the waste heat generated by combustion to generate steam, and can connect the steam to other tools for steaming dishes, cooking rice, boiling water and the like, so that cooking and steaming work can be simultaneously performed on one device, energy is fully utilized and saved, and heat is provided for a user.
Owner:牟光彬