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33results about How to "Avoiding the Risk of Personal Injury" patented technology
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Fuse mounting structure
ActiveCN104392873AFixed and reliableAccurate and reliable positioningEmergency protective devicesEngineeringMechanical engineering
The invention provides a fuse mounting structure. The fuse mounting structure comprises an electric appliance box main body and a fuse holder, wherein slots are formed in the two sides of the electric appliance box main body; first bosses and second bosses are arranged inside the slots; the fuse holder comprises a fuse mounting part, clamping parts positioned on the two sides of the fuse mounting part, and two insertion parts positioned below the fuse mounting part; the insertion parts comprise sliding chutes with sealed upper ends and lower ends, and bulges protruded in the directions far away from the sliding chutes; the insertion parts of the fuse holder are inserted in the slots of the electric appliance box main body; the second bosses are positioned in the sliding chute; under the working condition, the first bosses are buckled with the bulges, and meanwhile the second bulges are not in contact with the lower ends of the sliding chutes; under the out-of-service condition, the first bosses squeeze the bulges to enable the insertion parts to be deformed towards the sliding chutes, and meanwhile the second bosses are in contact with the lower ends of the sliding chutes. The fuse mounting structure disclosed by the invention is convenient to operate and high in safety.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Feeding device for automatically lifting cylindrical material
ActiveCN104386472ASimple and fast operationAvoiding the Risk of Personal InjuryConveyor partsEngineeringMechanical engineering
The invention provides a feeding device for automatically lifting a cylindrical material. The feeding device comprises a pushing rod device, a lifting device, a transmission device, a warping plate device, an inclined plate and a pushing device, wherein one side of the lifting device is provided with the pushing rod device, the other side of the lifting device is provided with the transmission device, one side of the transmission device is provided with the warping plate device, one side of the warping plate device is provided with the inclined plate, one side of the inclined plate is provided with the pushing device, and the transmission device, the warping plate device and the pushing device are all arranged on a supporting plate. The feeding device provided by the invention has the beneficial effects that the operation is simple and convenient, accurate feeding and positioning can be realized, traditional manual feeding is replaced, the operation strength is reduced, the labor cost of 4-6 people can be reduced, and the personal injury risk caused by a weight can be avoided.
Owner:TIANJIN DONGYI MAGNESIUM PROD
Woodworking lathe
InactiveCN107718176AClamping is firmKeep clean and tidyWood-turning machinesBark-zones/chip/dust/waste removalImpellerSlide plate
The invention discloses a woodworking lathe, which comprises foot pads, a support plate and a backing plate are arranged on the top of the foot pads, the backing plate is arranged on the inner side of the support plate, and chips are arranged on the top of the backing plate basket, the middle part of the support plate is provided with a bed frame, the top of the bed frame is provided with a groove, the inside of the bed frame is provided with several cutting holes, and the top of the bed frame is provided with a slide rail, so The slide rail is matched with the slide plate, the side of the slide plate away from the bed frame is provided with a hand wheel, the top of the slide plate is provided with a corner shaft, and the top of the corner shaft is covered with a knife rest, so A cutter head is provided on the side of the knife rest and close to the bed frame, and several installation grooves are arranged on the cutter head, and a baffle is arranged between the knife rest and the cutter head. Beneficial effects: the lathe can perform more complex operations, and the lathe has lower requirements on operators, and at the same time, the safety and efficiency of production are effectively improved.
Owner:吴舒雨
Electric power anti-misoperation equipment and method
PendingCN110253586AAddressing Personal InjuryAvoiding the Risk of Personal InjuryProgramme-controlled manipulatorCo-operative working arrangementsElectric power systemComputer module
The invention provides electric power anti-misoperation equipment and a method. The electric power anti-misoperation equipment comprises a control module and a communication module, an unlocking device, a visual device, and an operating device, wherein the control module and the communication module are arranged on a walking chassis, the control module acquires the target operation task through the communication module and controls the walking chassis to move to the target position indicated by the target operation task, and the target operation task also carries first image information and a first identifier; the unlocking device is used for reading electronic tag of a target anti-misoperation lock so as to obtain a second identifier of the target anti-misoperation lock; the visual device is used for acquiring second image information of a target switch; the control module is further used for controlling the unlocking device to open or close the target anti-misoperation lock when it is determined that the first identifier is consistent with the second identifier, the first image information is consistent with the second image information, and the second identifier and the second image information meet the preset mapping relation; and the operating device is used for operating the target switch.
Owner:ZHUHAI UNITECH POWER TECH CO LTD
Plastic membrane rolling forming and laminating equipment
The invention discloses plastic membrane rolling forming and laminating equipment which comprises an equipment assembly, a spreading assembly, a cleaning assembly, a spreading separating assembly, a membrane preheating part, a hydraulic assembly, a rolling assembly, a laminating assembly and a collecting assembly. The equipment assembly comprises a bottom plate, supporting legs, a front vertical plate, a rear vertical plate and an electric control box. The front vertical plate and the rear vertical plate are perpendicularly arranged on the two sides of the bottom plate, and a touch screen box and a touch screen are arranged on a front protection cover. The electric control box is arranged behind a rear protection cover. The cleaning assembly, the spreading separating assembly, the membrane preheating part, the hydraulic assembly, the rolling assembly and the laminating assembly are arranged between the front vertical plate and the rear vertical plate through bearings or in a screw joint mode. The spreading assembly and a spreading correcting assembly are arranged on the left side of the bottom plate, and a collecting correcting assembly and the collecting assembly are arranged on the right side of the bottom plate. According to the plastic membrane rolling forming and laminating equipment, separating, heating, rolling and secondary laminating of a membrane roll are integrally completed, the rolling and laminating efficiency is high, the speed is high, the quality is good, manpower is saved, and operation is safe and reliable.
Owner:SUZHOU KUAIJIE AUTOMATION EQUIP CO LTD
Full-automatic discharging manipulator for slicer
PendingCN109987407AImprove work efficiencyAvoid personal injuryConveyorsMetal working apparatusManipulatorEngineering
The invention belongs to the technical field of slicer equipment, and specifically discloses a full-automatic discharging manipulator for a slicer. The manipulator comprises a cutting box and a mounting base, wherein the upper surface of the mounting base is fixedly connected with a second cylinder; the surface of one end of a second cylinder expansion rod is fixedly connected with the dischargingbox; the surface of the discharging box fixedly communicates with a regulating box; a discharging device is arranged inside the discharging box; the discharging device comprises a motor bottom plate;the surface of the motor bottom plate is fixedly connected with the inner wall of one side of the discharging box; the surface of the second cylinder is fixedly connected with a second breather pipe;and the surface of the second breather pipe is fixedly connected with a second solenoid valve. According to the full-automatic discharging manipulator for the slicer, the surface of the discharging box fixedly communicates with the regulating box, the discharging device is arranged inside the discharging box, the discharging device comprises the motor bottom plate, and the surface of the motor bottom plate is fixedly connected with the inner wall of one side of the discharging box, so that automatic discharging is achieved by the manipulator, and the danger of personal injury caused by manualdischarging is avoided.
Owner:安庆工匠智能化设备制造有限公司
Destructive live-shell fight remote control toy and toy repairing method thereof
The invention relates to a destructive live-shell fight remote control toy and a toy repairing method thereof. The toy structurally comprises a plurality of fight device units for launching live shells to destroy a target, a router, a network exchanger and an input / output unit, wherein the fight device units are divided into two opposed groups; the network exchanger is respectively in communication connection with the router and the input / output unit, and the router is in communication connection with the fight device units; and the fight device units and the router are respectively arranged in a live shell fight region, and the input / output unit and a game operator are respectively arranged in a safe region. According to the toy, the fight device units are used for playing fight games by adopting a live shell shooting mode for destructively attacking enemies, so that the realistic sense can be improved; a remote control method is used to avoid accidental injury due to live-shell shooting, the game operator can operate out of the safe firing range, and thus the safety aim can be achieved; and the fight device units destroyed in live shell shooting can be quickly printed and repaired at low price by using the 3D printing technology.
Owner:石剑峰
Glue dispenser stable in pressure
InactiveCN106733445AAvoiding the Risk of Personal InjuryStable pressureLiquid surface applicatorsCoatingsPistonEngineering
The invention discloses a glue dispenser stable in pressure. The glue dispenser comprises an air source supplying air through an air compressor, a material barrel capable of containing glue and a glue dispensing gun. A glue barrel storing the curing agent amount of glue can be arranged in the material barrel, a sealing cover capable of being pushed is arranged on the top of the glue barrel, and an outlet in the bottom of the glue barrel communicates with a glue outlet formed in the outer portion of the material barrel. The glue dispensing gun is connected with the glue outlet through a glue pipe. A pressure regulating valve communicating with the interior of the material barrel is arranged on the top of the material barrel and connected to the air source. The material barrel comprises a barrel body and a barrel cover. A circular groove matched with the glue barrel is formed in the bottom of the material barrel. A counter bore in which the end portion of the glue barrel can be inserted is formed in the center of the groove, the glue outlet communicates with the counter bore, and the length of the glue barrel is set to achieve the purpose that after the glue barrel is inserted in the groove, the top face of the glue barrel is pressed right by the barrel cover. The barrel cover is further provided with a safety valve. A first air cylinder is arranged on the top of the material barrel, a drive rod of the first air cylinder stretches into the material barrel, a piston is arranged at the tail end of the drive rod of the first air cylinder, and the piston and the glue barrel are matched and pressed on the sealing cover.
Owner:江门市光动力能源科技有限公司
Special telescopic handbarrow for installation rails of transformer equipment
PendingCN108502441AImprove handlingSave handling timeManual conveyance devicesTransformerMultiple case
The invention provides a special telescopic handbarrow for installation rails of transformer equipment. The special telescopic handbarrow comprises an n-shaped main body, a first connecting rod and ahandle, wherein the first connecting rod is connected to the upper end of the n-shaped main body; support point parts for being supported on the ground are arranged at the lower ends of the n-shaped main body; the handle is connected to the first connecting rod which is of an adjustable telescopic structure; two pulleys are arranged on the inside wall of the n-shaped main body and opposite to eachother; and the distance between the two pulleys is matched with a steel rail, so that the steel rail can exactly pass through the gap between the two pulleys, and the two pulleys cannot slip off thesteel rail. The special telescopic handbarrow for the installation rails of the transformer equipment can be used for easily carrying the steel rail, the carrying time of the steel rail and the project construction time are shortened, the working efficiency is improved, and a carrying person is protected against a body injury risk. In addition, the first connecting rod is telescopic, such that thespecial telescopic handbarrow is convenient to carry, can be used in more situations and is not limited to the space.
Owner:GUANGDONG POWER GRID CO LTD +1
GIS knife switch or grounding knife switch position observer
The invention discloses a GIS knife switch or ground knife switch position observer. The observer comprises an observation device and a lighting device which are connected with each other, the two ends of the observation device are provided with an object view port and a visual port which are communicated with each other, the object view port is used for abutting against an observation hole of a GIS knife switch or a grounding knife switch at a high position, and the visual port is used for observing the observation hole through the object view port; and the lighting device is used for providing lighting for the other observation hole of the GIS knife switch or the grounding knife switch at the high position. In the present invention, the lighting device provides lighting for one observation hole of the GIS knife switch or the grounding knife switch, the visual port at one end of the observation device abuts against the other observation hole of the GIS knife switch or the grounding knife switch at the high position, an observation staff observes the observation hole through the visual port, the observation device and an visual port at a low position, so that the action state of the GIS knife switch or the grounding knife switch at the high position can be observed from the low position, and the problem of personal risks of the observer in the traditional observation process isavoided.
Owner:GUANGDONG POWER GRID CO LTD +1
Indoor switch cabinet switch fault assistant emergency device
InactiveCN111106558AStable reliabilityAvoid the negative impact of dispensingSwitchgearControl engineeringCircuit breaker
The invention discloses an indoor switch cabinet switch fault assistant emergency device. The device comprises a positioning connection assembly, and an operation rod assembly and a visiting assemblywhich are installed on the positioning connection assembly. The positioning connection assembly is used for being fixed to the inner side of a switch cabinet door of a switch cabinet body. The operation rod assembly comprises a storage base and a telescopic ejector rod with one end connected into the storage base. The free end of the telescopic ejector rod is arranged opposite to a circuit breakeropening button, and the circuit breaker opening button is jacked and pressed through stretching and retracting of the telescopic ejector rod. The visiting assembly is used for visiting a mechanical opening display screen so as to acquire the working state of the circuit breaker opening button. The device is convenient for personnel to operate and carry, thereby achieving the purpose of quickly isolating fault equipment on site. The power utilization reliability is improved, and the personal injury risk hidden danger caused by on-site operation of operation and maintenance personnel is avoided. The high-quality service of power supply is improved. The reliability of stable operation of equipment is guaranteed, and the negative influence of power failure of one section of bus on distribution and stop of other equipment is avoided.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD +2
Segment detection self-melting snow system and control method for solar high-altitude transmission lines
InactiveCN104795780BReduce power transmission lossesAvoid destructionOverhead installationElectrical testingSpace-based solar powerSnow melting
Owner:CIVIL AVIATION UNIV OF CHINA
A fuse installation structure
ActiveCN104392873BGuaranteed not to fall offNo risk of live operationEmergency protective devicesEngineeringService condition
The invention provides a fuse mounting structure. The fuse mounting structure comprises an electric appliance box main body and a fuse holder, wherein slots are formed in the two sides of the electric appliance box main body; first bosses and second bosses are arranged inside the slots; the fuse holder comprises a fuse mounting part, clamping parts positioned on the two sides of the fuse mounting part, and two insertion parts positioned below the fuse mounting part; the insertion parts comprise sliding chutes with sealed upper ends and lower ends, and bulges protruded in the directions far away from the sliding chutes; the insertion parts of the fuse holder are inserted in the slots of the electric appliance box main body; the second bosses are positioned in the sliding chute; under the working condition, the first bosses are buckled with the bulges, and meanwhile the second bulges are not in contact with the lower ends of the sliding chutes; under the out-of-service condition, the first bosses squeeze the bulges to enable the insertion parts to be deformed towards the sliding chutes, and meanwhile the second bosses are in contact with the lower ends of the sliding chutes. The fuse mounting structure disclosed by the invention is convenient to operate and high in safety.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Line connector cylinder mounting and dismounting device
PendingCN113675014APlay a fixed roleAvoiding the Risk of Personal InjuryContact operating partsApparatus for overhead lines/cablesStructural engineeringMechanical engineering
The invention discloses a line connector cylinder mounting and dismounting device, which comprises a line connector operating rod, wherein a brake pull hook is mounted at the upper end of the line connector operating rod, the upper side of the line connector operating rod is provided with amounting and dismounting device, the mounting and dismounting device comprises a rod clamp and a gripper opening and closing mechanism, the line connector operating rod is detachably connected with the rod clamp, and the side end of the rod clamp is connected with the gripper opening and closing mechanism. According to the invention, the rod clamp is clamped below the brake pull hook of the line connector operating rod, can adapt to line connector operating rods of different specifications, is detachable, plays a fixing role, can adjust the standing position of a worker according to site conditions to mount and dismount the line connector cylinder, can mount and dismount the line connector cylinder from multiple angles, avoids the risk that the line connector cylinder falls off and hits a human body, and further solve the problem that some high-voltage line connectors cannot be operated by lifting the line connector cylinder due to over-high installation.
Owner:BEIHAI POWER SUPPLY BUREAU OF GUANGXI GRID
A plastic film rolling forming and laminating equipment
The invention discloses plastic membrane rolling forming and laminating equipment which comprises an equipment assembly, a spreading assembly, a cleaning assembly, a spreading separating assembly, a membrane preheating part, a hydraulic assembly, a rolling assembly, a laminating assembly and a collecting assembly. The equipment assembly comprises a bottom plate, supporting legs, a front vertical plate, a rear vertical plate and an electric control box. The front vertical plate and the rear vertical plate are perpendicularly arranged on the two sides of the bottom plate, and a touch screen box and a touch screen are arranged on a front protection cover. The electric control box is arranged behind a rear protection cover. The cleaning assembly, the spreading separating assembly, the membrane preheating part, the hydraulic assembly, the rolling assembly and the laminating assembly are arranged between the front vertical plate and the rear vertical plate through bearings or in a screw joint mode. The spreading assembly and a spreading correcting assembly are arranged on the left side of the bottom plate, and a collecting correcting assembly and the collecting assembly are arranged on the right side of the bottom plate. According to the plastic membrane rolling forming and laminating equipment, separating, heating, rolling and secondary laminating of a membrane roll are integrally completed, the rolling and laminating efficiency is high, the speed is high, the quality is good, manpower is saved, and operation is safe and reliable.
Owner:SUZHOU KUAIJIE AUTOMATION EQUIP CO LTD
Intelligent operating device for 10kV medium-voltage circuit breaker
InactiveCN111682439AAvoiding the Risk of Personal InjurySwitchgearElectric machinerySurveillance camera
The invention discloses an intelligent operating device for a 10kV medium-voltage circuit breaker, which belongs to the technical field of circuit breaker operation. The device comprises a supportingplate, a roller set arranged below the supporting plate, a frame body arranged on the supporting plate, a position adjusting mechanism arranged on one side of the frame body, a driving motor, a positioning camera and a monitoring camera arranged on the position adjusting mechanism, and a sleeve in transmission connection with the driving motor and a breaker rocking-in and rocking-out rod. The breaker is provided with a positioning mark. Automatic positioning can be realized and the circuit breaker can be rocked in and out, so that potential safety hazards caused by personnel operation are avoided.
Owner:SANMEN NUCLEAR POWER CO LTD
Secondary wiring fixed-distance wire stripping assist device
PendingCN114465168AShorten connection timeFast distance strippingLine/current collector detailsApparatus for removing/armouring cablesStructural engineeringMeasuring ruler
The invention belongs to the technical field of auxiliary tools, and particularly relates to a secondary wiring fixed-distance wire stripping assistor which comprises a base, a fixing plate is arranged on the rear side of the upper surface of the base, a clamping assembly is arranged on the front side of the upper surface of the base, and the clamping assembly is matched with the fixing plate to clamp a wire stripper. A measuring scale is arranged on the front surface of the base, a sliding groove is formed in the front surface of the base in a penetrating mode, and the measuring scale is arranged in the sliding groove in a sliding mode. According to the invention, rapid and accurate fixed-distance wire stripping can be realized, the personal injury risk caused by copper leakage of the stripping head is effectively avoided, meanwhile, the device has the advantages of lightness, convenience, practicability, attractiveness, low cost, simple structure and the like, the meter installation and power connection time is practically shortened, and the working efficiency is improved.
Owner:LINFEN POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
A domestic sewage discharge system for deep saturated submersible living quarters
ActiveCN111636540BReduce lossAvoid accumulationSewerage structuresClimate change adaptationSaturation divingElectrical control
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
Electric energy meter mounting base and electric meter box
PendingCN113607998AAvoid miswiringRealize exposed wire head insulation packageTime integral measurementElectrically conductiveElectric energy
The invention belongs to the technical field of electric energy meter mounting, and discloses an electric energy meter mounting base and an electric meter box. The electric energy meter mounting base comprises a bottom plate and a plurality of secondary wiring fixing devices fixedly connected to the bottom plate, the plurality of secondary wiring fixing devices are in one-to-one correspondence with a plurality of wiring terminals of an electric energy meter to be mounted at equal intervals, and each secondary wiring fixing device comprises an elastic insulating sheath, a conductive block and an insulating fixing block, the conductive block is partially arranged in the insulation fixing block in a penetrating manner, the elastic insulation sheath is arranged outside the conductive block in a sleeving manner and is fixedly connected to the insulation fixing block, the conductive block and the insulation fixing block are respectively and fixedly connected to the bottom plate, and the elastic insulation sheath can be compressed along the installation direction of the secondary wiring fixing device. Efficient and safe replacement of the electric energy meter is achieved, and meanwhile damage to the electric energy meter caused by wrong wiring is effectively avoided.
Owner:GUANGDONG POWER GRID CO LTD +1
Pressure-and-water-resistant monitoring system in shield tunneling machine
InactiveCN109194924ARealize real-time monitoringKnow what's going on insideTelevision system detailsColor television detailsVideo storageMonitoring system
The present invention discloses a pressure-and-water-resistant monitoring system in a shield tunneling machine. The system comprises a pressure-and-water-resistant camera, a video signal transmissioncable, a monitoring bus, a video storage system and a display screen. The pressure-and-water-resistant camera is arranged at the monitoring position in the shield tunneling machine, the pressure-and-water-resistant camera can be connected with the monitoring bus and the display screen through the video signal transmission cable, and the monitoring bus is further connected with the video storage system. The pressure-and-water-resistant monitoring system in the shield tunneling machine can achieve real-time monitoring and can allow operators on duty to visually understand the internal conditionof the positions required being monitored at any time to discover dangerous cases immediately.
Owner:SHANGHAI TUNNEL ENG CO LTD
A ladder anti-dumping safety system based on angle detection and alarm function
ActiveCN106437485BIntelligent perception of climbing movementsAvoiding the Risk of Personal InjuryLaddersGyroscopeSecure state
The invention discloses a ladder anti-dumping safety system based on angle detection and alarm function. The system is mainly composed of a gyroscope, a relay, a logic judgment part, a power supply, a sound-light alarm part and a communication part. By means of the angle detection system with the gyroscope as the core part, the safe use of a ladder is ensured. The angle between the ladder and the ground is detected through the gyroscope, signals are sent to the logic judgment part, and whether the ladder currently is in a safe state or not is judged through the logic judgment part. Once it is judged that the ladder is in an unsafe state, the system can trigger sound-light alarm to remind a user, and the communication part sends the unsafety information to a supervisor. Due to the arrangement of the relay, it is ensured that the power supply is powered on all the time when people work on the ladder and powered off when people climb down the ladder.
Owner:国网安徽省电力有限公司凤台县供电公司 +1
Automatic lifting and feeding device for cylindrical materials
ActiveCN104386472BSimple and fast operationAvoiding the Risk of Personal InjuryConveyor partsEngineeringMechanical engineering
The invention provides a feeding device for automatically lifting a cylindrical material. The feeding device comprises a pushing rod device, a lifting device, a transmission device, a warping plate device, an inclined plate and a pushing device, wherein one side of the lifting device is provided with the pushing rod device, the other side of the lifting device is provided with the transmission device, one side of the transmission device is provided with the warping plate device, one side of the warping plate device is provided with the inclined plate, one side of the inclined plate is provided with the pushing device, and the transmission device, the warping plate device and the pushing device are all arranged on a supporting plate. The feeding device provided by the invention has the beneficial effects that the operation is simple and convenient, accurate feeding and positioning can be realized, traditional manual feeding is replaced, the operation strength is reduced, the labor cost of 4-6 people can be reduced, and the personal injury risk caused by a weight can be avoided.
Owner:TIANJIN DONGYI MAGNESIUM PROD
A low-voltage switch cabinet breaking-closing remote control actuator
ActiveCN109103042AAvoiding the Risk of Personal InjuryRealize remote control opening and closing functionElectric switchesData processing systemLow voltage
The invention discloses a low-voltage switch cabinet breaking-closing remote control actuator, which comprises an electromagnet, an ejector rod used for touching a switch button of a circuit breaker,a steel column located at the upper end of the ejector rod and a return spring sleeving the outer side of the ejector rod. The ejector rod is arranged on the axis of the electromagnet and passes through the electromagnet, the electromagnet is capable of starting and attracting the steel column to move in a direction close to the electromagnet under the control of the controller, and the return spring is pressed against the steel column so as to always give the steel column a force away from the electromagnet. A controller can control the electromagnet coil to attract and return to drive the steel column to reciprocate linearly, so as to drive the ejector rod to reciprocate linearly to touch or leave the switch button of the circuit breaker. On the one hand, the unattended goal of the substation is realized through more scientific and professional automation means; on the other hand, the automation control data of the substation is brought into the data processing system of the smart grid.
Owner:TIANJIN ANJIE PUBLIC FACILITIES SERVICE CO LTD
Sucker rod back-off device tool
PendingCN113969756AReduce wasteAvoiding the Risk of Personal InjuryDrilling rodsDrilling casingsEngineeringUpper teeth
The invention discloses a sucker rod back-off device tool. The sucker rod back-off device tool comprises a first tooth support (4) and a second tooth support (5) which are arranged up and down, the first tooth support (4) and the second tooth support (5) are connected through a bolt (1) and a nut (6), a lower tooth piece installation groove (41) is formed in the lower surface of the first tooth support (4), an upper tooth piece installation groove (51) is formed in the upper surface of the second tooth support (5), an upper tooth piece (2) is arranged in the lower tooth piece installation groove (41), a lower tooth piece (7) is arranged in the upper tooth piece installation groove (51), and the upper tooth piece (2) and the lower tooth piece (7) can be detached. According to the sucker rod back-off device tool, the personal injury risk caused by manual back-off can be avoided, the time for replacing an oil pipe hydraulic clamp after the sucker rod back-off hydraulic clamp is used for back-off is shortened, waste of hydraulic oil is reduced, and the field production efficiency is improved.
Owner:PETROCHINA CO LTD
High-altitude transmission line segment detection self-melting snow system and control method using nuclear power
InactiveCN104934919BReduce power transmission lossesAvoid destructionOverhead installationApparatus for overhead lines/cablesNuclear powerTime segment
Owner:CIVIL AVIATION UNIV OF CHINA
Discharge system for domestic sewage of saturation diving habitat under large depth
ActiveCN111636540AReduce lossStable and reliable opening and closing controlSewerage structuresClimate change adaptationInlet valveSaturation diving
The invention relates to a discharge system for domestic sewage of a saturation diving habitat under a large depth. A sewage discharge tank is arranged below the habitat, an electrical control cabinetcontrols an upper automatic switching valve, a lower automatic switching valve, an exchanging pipeline automatic switching valve, a gas inlet valve and a gas discharge valve, and meanwhile, the discharge system is also provided with a diving helium recycling system and a saturation diving air source system. Through the arrangement of the saturation diving air source system, the sewage discharge tank and the habitat are commonly pressurized, and through the linkage design of a toilet lid and the upper electric switching valve, risks of personal injury brought by maloperation under a high-pressure condition are avoided. The matched diving helium recycling system is adopted for recycling, then the loss of diving gas is lowered, the electrical control cabinet provides stable and reliable valve on-off control and liquid level monitoring, and stacking of harmful gas and overflow of sewage are prevented. An air purification device can assist in removing harmful and undesirable odor generatedfrom excrement, and the air environment in the habitat is improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
Motor zero-speed monitoring and protective door interlocking control device
PendingCN107876196AAvoid safety accidentsProtection securityPower-operated mechanismGrain treatmentsElectric machineControl theory
The invention relates to the field of safety protection devices, in particular to a motor zero-speed monitoring and protective door interlocking control device. According to main points of the technical scheme, the motor zero-speed monitoring and protective door interlocking control device comprises a zero-speed monitoring module and a protective door opening-closing device; the zero-speed monitoring module is connected with a motor and used for detecting residual voltage of motor winding and outputting a logic signal; and the protective door opening-closing device is used for receiving and responding the logic signal from the zero-speed monitoring module. The motor zero-speed monitoring and protective door interlocking control device has the characteristics that the zero-speed monitoringmodule is arranged so that a protective door can be locked when the motor rotates in accordance with inertia, the protective door is allowed to be opened when the motor is stopped, and the risk of personal injury is avoided.
Owner:WUXI UNITE ENERGY TECH CO LTD
Multi-mode interesting dragon boat amusement equipment
InactiveCN114849203APrevent rolloverTurn to automatic implementationWatercraft hull designSport apparatusDrive shaftSports equipment
The invention discloses multi-mode interesting dragon boat amusement equipment, and belongs to the technical field of sports equipment. The multi-mode interesting dragon boat amusement equipment comprises a boat body, a plurality of paddles and a drum, and further comprises a guide rail arranged in a pond; the walking mechanism comprises a rack, a support, a sliding sleeve and a transmission shaft, the rack is parallel to the guide rail, the support is connected with the ship body, the sliding sleeve is fixedly connected with the support and slidably connected with the guide rail, and the transmission shaft is in toothed connection with the rack; the plurality of stress sensors are respectively arranged on different paddles, and the stress sensors are used for detecting stress values borne by the paddles; the controller is electrically connected with the power device and the stress sensor, and the controller controls the power device to act according to the stress value. The multi-mode interesting dragon boat amusement equipment can assist a user in boat amusement training, stabilize the posture of the boat body and prevent the boat body from rollover when the boat body advances, so that the risk of personal injury caused by rollover of the boat body is avoided.
Owner:岳阳职业技术学院
Ladder anti-dumping safety system based on angle detection and alarm function
ActiveCN106437485AIntelligent perception of climbing movementsAvoiding the Risk of Personal InjuryLaddersGyroscopeSecure state
The invention discloses a ladder anti-dumping safety system based on angle detection and alarm function. The system is mainly composed of a gyroscope, a relay, a logic judgment part, a power supply, a sound-light alarm part and a communication part. By means of the angle detection system with the gyroscope as the core part, the safe use of a ladder is ensured. The angle between the ladder and the ground is detected through the gyroscope, signals are sent to the logic judgment part, and whether the ladder currently is in a safe state or not is judged through the logic judgment part. Once it is judged that the ladder is in an unsafe state, the system can trigger sound-light alarm to remind a user, and the communication part sends the unsafety information to a supervisor. Due to the arrangement of the relay, it is ensured that the power supply is powered on all the time when people work on the ladder and powered off when people climb down the ladder.
Owner:国网安徽省电力有限公司凤台县供电公司 +1
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