12results about How to "Avoid dangerous situations" patented technology

The utility model discloses psychological treatment auxiliary equipment which comprises a base, a balance weight seat is installed on the top of the base, a supporting seat is installed on the rear side of the balance weight seat, an adjusting seat is connected to the top of the supporting seat in an inserted mode, an assembling cavity with an opening in the top is formed in the supporting seat, and a driving piece is installed on the lower side of the assembling cavity. The utility model relates to the technical field of psychological treatment, and has the beneficial effects that the base is used as a main body, a balancing weight is additionally arranged at the top of the base, so that the overall stability of the equipment is improved, and a simulation doll of which the height can be automatically adjusted is additionally arranged at the top of the main body; the device can adapt to users of different heights, and the striking experience of the users is guaranteed.

The present disclosure relates to an apparatus and method for controlling an Ethernet switch for a vehicle. An apparatus for controlling an Ethernet switch for a vehicle can include a switch state detection unit configured to acquire a clock of an Ethernet switch, and a processor configured to determine whether the clock of the Ethernet switch detected by the switch state detection unit has changed, and when the clock of the Ethernet switch has changed, to set an Ethernet interface according to the changed clock of the Ethernet switch.

The utility model provides an intelligent transfer trolley and a locking assembly thereof, the locking assembly comprises a mounting seat, an actuating piece and a lock hook body, the actuating piece is connected with the lock hook body, the end part of the actuating piece connected with the lock hook body can move along the length direction of the mounting seat relative to the lock hook body, and the locking assembly is arranged on the mounting seat. And the lock hook body swings relative to the mounting seat under the driving of the actuating piece so as to lock or unlock the lock hook body and a piece to be connected. The locking assembly provided by the utility model can improve the stability of the grabbing operation in the transfer or maintenance process, and reduces the falling of the device caused by the displacement of the intelligent transfer trolley relative to the electrical switch cabinet.

The application relates to a device and a method for monitoring the anchor chain tension of a floating wind turbine mooring system, and belongs to the technical field of floating ocean engineering structures. The device solves the problems of large direct measurement error and high underwater measurement cost. The device comprises an inclinometer, a signal acquisition communication board, a signal processor, a central control room host, a display instrument and a strain sensor. The strain sensor, the inclinometer and the signal acquisition communication board are electrically connected. The signal acquisition communication board, the signal processor, the central control room host and the display instrument are sequentially electrically connected. The device has the advantages of simple structure, convenient installation and use, easy maintenance, overall replacement in case of failure, cost saving, comprehensive monitoring of the anchor chain tension and the inclination motion change, and small error.

This invention discloses a pneumatically protected electric chuck structure, comprising a fixed end and a rotating unit. The rotating unit includes a rotating base, an inner ring chamber, and an outer disk. The inner ring chamber is fixed to the rotating base and the outer disk on both sides, respectively. An electric power source assembly is installed in the fixed end, driving the rotating base to rotate on one side of the fixed end. A pneumatic control mechanism is fixed in the fixed end. An actuator is slidably installed in the inner ring chamber, comprising an actuator body and three sets of sliding blocks. The pneumatic control mechanism drives the actuator body to move laterally within the inner ring chamber. The actuator body, through the three sets of sliding blocks, drives three sets of jaw arms to move centered on the front side of the outer disk to clamp materials. This invention effectively utilizes pneumatic protection to improve the safety of electric chuck operation, significantly increases the upper limit of electric chuck rotation speed, and assists in achieving pneumatic emergency stop, effectively protecting the use of the electric power source.

The application discloses a mobile robot position location reliability evaluation method and device and a storage medium, wherein the method comprises the following steps: processing a grid map, extracting features to obtain feature containers; extracting features of a laser frame to obtain feature data; judging whether the number of the feature data exceeds a first preset threshold to obtain a first judgment result; when the first judgment result is yes, performing feature matching on the feature data according to the feature containers to obtain a matching result; when the first judgment result is no, performing correlation matching and calculating a positioning accuracy and a pose confidence; judging whether the matching result exceeds a second preset threshold to obtain a second judgment result; and when the second judgment result is yes, calculating the positioning accuracy and the pose confidence according to the matched features. The application provides a pose confidence evaluation method independent of a positioning algorithm, can timely find an error situation caused by an accident of the positioning algorithm, helps the mobile robot to stop running in time, and avoids the occurrence of a dangerous situation.

The utility model discloses a liquid hydrogen storage tank relates to liquid hydrogen storage tank equipment technical field, including liquid hydrogen storage tank and pipeline, and liquid hydrogen storage tank contains the inner jar of storage cryogenic liquid hydrogen and keeps the outer jar of interlayer high vacuum, and the inner jar top pipeline is equipped with the liquid filling mouth, the back gas mouth and the liquid level meter gas phase mouth, and the inner jar side wall pipeline is equipped with the overflow port, and the inner jar bottom pipeline is equipped with the liquid level meter liquid phase mouth and the liquid outlet, and the utility model has the beneficial effect that: it has the outer pressure boost and the self -boosting function, reduces the use that needs the liquid hydrogen temperature valve, and considers the early re -warming when the discharge, through the outer jar explosion -proof mechanism of setting, when the interlayer space pressure abnormal height that appears liquid leakage problem leads to the inner jar or interlayer pipeline, the outer jar explosion -proof mechanism can discharge the interlayer pressure, prevents the dangerous situation that appears in the inner jar and the outer jar, through the three way valve through switching valve core position, at least guarantees one safety valve and one burst disc to be in and the inner jar gas phase space intercommunication's working condition.

The invention provides a highway construction command early warning system, which relates to the technical field of highway construction early warning and comprises a safety early warning device, a mobile early warning device, a command personnel early warning device and a construction personnel early warning device. The safety early warning device is arranged at the entrance and exit position of a construction area and monitors the driving speed data and the driving direction information of a vehicle coming from a road. Whether the vehicle runs towards the construction area is judged according to the vehicle running speed and the running direction of the vehicle in a specified position monitored by the safety early warning device, and whether the vehicle is a construction vehicle capable of entering the construction area is judged according to whether the vehicle generates a feedback signal with a signal sent by the safety early warning device. The construction vehicle can normally enter the construction area for construction under the condition that the driving vehicle is prevented from entering the construction area to cause danger to workers in the construction area.

The utility model relates to the technical field of methyl tert-butyl ether, and discloses a methyl tert-butyl ether recovery device which comprises a protective outer tank, an inner tank is arranged in the protective outer tank, the top end of the inner tank is fixedly connected with a warning lamp, and the top end in the inner tank is fixedly connected with a temperature monitor. Cold air is in contact with the surface of the inner tank to cool the interior of the inner tank. When the temperature in the inner tank is reduced to a specified temperature, the methyl tert-butyl ether in the inner tank begins to react, water drops are generated on the surface of the circulating pipe due to cold air in the refrigeration process, and the water drops fall into a gap between the protective outer tank and the inner tank and then flow out from a liquid outlet pipe. And liquid condensate generated by methyl tert-butyl ether in the inner tank due to cold air can be adhered to the interior of the inner tank and the surface of the filter plate. At the moment, a servo motor drives a rotating shaft to rotate, stirring blades on the rotating shaft stir methyl tert-butyl ether, and meanwhile a first scraper, a second scraper and a third scraper respectively scrape off condensate on the inner wall of the inner tank and the upper surface and the lower surface of a first filter plate.

This invention relates to the field of medical device technology, and particularly to a centrifuge adapted for the preparation of centrifuge tubes for clinical cell mitochondrial extraction. The centrifuge includes: a centrifuge body, a centrifuge lid hinged to one side of the centrifuge body, a platelet detection device fixedly disposed on the side of the centrifuge lid away from the centrifuge body, and a liquid aspiration device rotatably disposed on the side of the centrifuge lid near the centrifuge body. A lid locking mechanism is fixedly disposed on the side of the centrifuge body near the centrifuge lid, and a locking hook is fixedly disposed on the side of the centrifuge lid near the centrifuge body, the locking hook matching the lid locking mechanism. This invention avoids the variability caused by human operation during multiple supernatant extractions, reduces the possibility of contamination from human operation, ensures the sterility and component stability of the extraction process, and greatly improves the efficiency and success rate of mitochondrial extraction.

The application provides a steady valve, and belongs to the technical field of valves.The device comprises a valve body, a positioning plate fixedly arranged on the inner wall of the valve body, and a plurality of round rods movably embedded in the inner wall of the positioning plate.In use, water flows into the valve body through the water inlet pipe and flows out through the water outlet pipe.The adsorbing material and the fluid in the filter cylinder are fully mixed together when the plurality of supporting rods rotate.The impurities in the fluid are adsorbed by the adsorbing material.The filtered fluid is discharged through the plurality of filter holes on the filter cylinder.The plurality of first scrapers are driven to rotate when the plurality of supporting rods rotate.The inner wall of the filter cylinder is scraped when the plurality of first scrapers rotate.The impurities adhered to the inner wall of the filter cylinder are scraped off.The plurality of filter holes are prevented from being blocked by the impurities, and the flow rate of the fluid is prevented from being affected.Therefore, the impurities in the fluid are filtered in multiple stages when the valve is used, and the valve is prevented from being damaged by the impurities.

The utility model belongs to the field of machinery, and relates to an elastic plate hole clamping and adjusting device which comprises a lug hole penetrating elastic plate, a swing arm connecting piece, a supporting wheel swing arm, a lug hole penetrating piece and a lug plate blocking shifting pin, the lug hole penetrating elastic plate comprises a lug plate penetrating hole, a shifting pin penetrating and blocking sleeve is arranged at one end of the swing arm connecting piece, and a supporting wheel swing arm connecting structure is arranged at the other end of the swing arm connecting piece. The ear perforating piece is provided with a clamping and sticking elastic plate piece and a perforating ear, the perforating ear penetrates through the ear penetrating plate hole, the penetrating and blocking movement pin shaft sleeve penetrates through the ear penetrating plate hole, and the ear blocking plate movement pin penetrates through the perforating ear and the penetrating and blocking movement pin shaft sleeve, so that the clamping and sticking elastic plate piece is tightly attached to the ear penetrating hole elastic plate; the clamping and pasting elastic plate piece and the lug blocking plate moving pin prevent the perforated lug from falling off from a lug penetrating plate hole from the two sides of the lug penetrating hole elastic plate, the supporting wheel rocker arm is pushed by external force to be connected with the swing arm piece, the swing arm piece pushes the lug blocking plate moving pin, the lug blocking plate moving pin transmits the external force to the lug perforating piece, and the clamping and pasting elastic plate piece pushes the lug penetrating hole elastic plate to elastically deform and buffer. And the ear-hole-penetrating elastic plate is quickly straightened to reset by the buffer bounce of the ear-hole-penetrating elastic plate.