22results about How to "Security" patented technology

The invention discloses a safety protection device of a lithium battery pack, and relates to the field, the safety protection device comprises a protection shell and a power-off assembly, the power-off assembly comprises a first splitting block mounted on a top cover, the top end of the first splitting block is fixedly connected with a second splitting block, the first splitting block and the second splitting block are vertically arranged, and the bottom ends of the first splitting block and the second splitting block are conical; the power-off assembly is used for pushing the first splitting block and the second splitting block downwards after the smoke alarm receives a smoke alarm, so that multiple groups of batteries in the lithium battery pack are pushed to the periphery under the action of the first splitting block and the second splitting block, and after the distance is enlarged, the plugging blocks are separated from one another to be powered off; by arranging the power-off assembly, the sealing assembly and the fire extinguishing assembly, the lithium battery pack can be effectively and safely protected, and normal heat dissipation of the lithium battery pack is not affected on the basis, so that the problem that heat dissipation and safety protection cannot be considered at the same time in the prior art is solved.

The utility model relates to the technical field of switch cabinet protection, and discloses a protection device of a high-voltage switch cabinet, which comprises a first insulating rod, a second insulating rod and a third insulating rod, the two ends of the third insulating rod are slidably inserted into the sliding grooves of the first insulating rod and the second insulating rod through the penetrating holes, adsorption plates are fixed to the tail ends of the first insulating rod and the second insulating rod, and magnets are embedded and fixed into the adsorption plates. According to the technical scheme, the width-adjustable first insulating rod, the width-adjustable third insulating rod and the width-adjustable second insulating rod are spliced to form the frame structure, and the adsorption plate at the tail end of the first insulating rod can be adsorbed and tightly attached to the surfaces of cabinet bodies or cabinet doors on the two sides of the switch cabinet in maintenance, so that the structure can conveniently and quickly surround the front end of the switch cabinet; and the width can be adjusted so as to adapt to switch cabinets with different sizes for safe protection.

The utility model discloses a fork arm with a protection function and an AGV using the same, and relates to the technical field of logistics automation, the fork arm comprises an AGV body and a lifting assembly arranged in the AGV body, a mounting plate is fixedly mounted above the AGV body, a plurality of first photoelectric sensors are mounted on one side of the mounting plate, and a plurality of second photoelectric sensors are mounted on the other side of the mounting plate. A lower cover front plate is arranged at the front end of the AGV body, and a second photoelectric sensor is mounted on the inner wall of the lower cover front plate; according to the AGV, the first photoelectric sensor is arranged, the first photoelectric sensor is electrically connected with the lifting mechanism, a user can be protected more safely, meanwhile, due to the fact that the first photoelectric sensor is adopted instead of a traditional protection plate, a guardrail and the like, too much influence on work of the AGV body is avoided, and the working efficiency of the AGV is improved. And the practicability of the device is improved.

The utility model discloses a disinfection cabinet for clinical trials, which comprises a disinfection cabinet, a drainage mechanism, sliding mechanisms, a placing plate, a second water pipe, a valve, an exhaust channel, an exhaust mechanism and an air supply mechanism, the drainage mechanism is arranged at the bottom of the disinfection cabinet, the sliding mechanisms are arranged on two sides of the upper portion of the drainage mechanism, the placing plate is arranged between the sliding mechanisms, and the valve is arranged on the placing plate. Air exhaust channels are formed in the two walls and the rear wall of the distribution box, an air exhaust mechanism is arranged on one side of the upper portion of the distribution box, and an air supply mechanism is arranged on the other side of the upper portion of the distribution box. Compared with the prior art, the medical instrument cabinet has the advantages that the sliding mechanism is arranged to be matched with the placing plate to facilitate taking and placing of medical instruments, and the air exhaust mechanism and the air supply mechanism are arranged to be matched with the electric heating screen plate to quickly dry the medical instruments; liquid accumulated in the cabinet can be discharged through the drainage mechanism, and the clean environment in the cabinet is kept.

The utility model belongs to the technical field of sensors, and particularly discloses a heat insulation structure of a weighing sensor, which comprises a sensor body, the outer surface of the sensor body is fixedly connected with a protective shell, the bottom end of the protective shell is rotatably connected with a bottom cover, and the outer surface of the protective shell is fixedly connected with a second fixing block. The outer surface of the bottom cover is fixedly connected with a first fixing block, the top of the first fixing block is fixedly connected with a connecting block, and the bottom of the second fixing block is provided with an assembling groove. And when the connecting block moves to a proper position, the spring drives the first L-shaped transmission rod and the second L-shaped transmission rod to reset, the fixing frames slide into the fixing grooves, position fixing of the bottom cover is achieved, and fixing and fixing releasing of the bottom cover are more convenient.

The present invention discloses a safety protection device for a lithium battery pack, and relates to a field, including a protective shell and a power-off component, the power-off component including a first split block installed on a top cover, the top of the first split block is fixedly connected to a second split block, the first split block and the second split block are vertically arranged and the bottom ends are both conical, the power-off component is used to push the first split block and the second split block downward after the smoke alarm receives the smoke alarm, thereby pushing multiple groups of batteries in the lithium battery pack to the surroundings through the action of the first split block and the second split block, and after the spacing is expanded, the plug-in blocks are separated from each other and the power is cut off. The present invention can effectively protect the lithium battery pack safely by providing a power-off component, a sealing component and a fire-extinguishing component, and on this basis does not affect the normal heat dissipation of the lithium battery pack, thereby solving the problem that heat dissipation and safety protection cannot be taken into account in the prior art.

The invention provides an overhanging type scaffold bottom sealing device and an overhanging type scaffold with the overhanging type scaffold bottom sealing device, and belongs to the technical field of building construction equipment.The overhanging type scaffold bottom sealing device comprises a plurality of bottom baffles which can be connected in a spliced mode, and every two adjacent bottom baffles are connected through a fastener; one end of each connecting piece is hung on a scaffold in a sleeving mode, the other end of each connecting piece is connected with the corresponding bottom baffle, the connecting pieces are connected with the bottom baffles in a clamping mode, and at least part of the connecting pieces are connected between every two adjacent bottom baffles. According to the overhanging type scaffold bottom sealing device, the bottom baffles which are mutually spliced are connected and hoisted below the scaffold through the connecting pieces, and the overhanging type scaffold bottom sealing device is easy and convenient to install, high in construction efficiency, good in safety performance and high in material turnover efficiency.

The invention relates to the technical field of hanging basket suspended pouring construction, in particular to a suspended pouring beam construction hanging basket steel sling counter-force frame pre-pressing device which comprises two hanging basket top cross beams arranged in parallel in a spaced mode, two spiral steel pipes are arranged between the two hanging basket top cross beams, a jack is arranged between the two spiral steel pipes, and the jack is connected with the hanging basket top cross beams. And the steel sling is connected with the hanging basket top cross beam. The method has the advantages that the cost is low, operation is convenient, safety is guaranteed, the construction period is shortened, the elastic deformation value and the non-elastic deformation value of the steel sling can be rapidly obtained, and the elevation of the bottom formwork is readjusted to the design position according to comparative analysis of pre-pressing observation data and structural theoretical calculation data.

The utility model relates to the technical field of civil air defense doors, and discloses a civil air defense door with a double positioning structure, which comprises a door frame, lock holes are arranged at two ends of one side in the door frame, a door body is hinged to one side of the door frame, lock heads are hinged to two ends of one end of the door body, and a limiting lock rod is fixed at the bottom end of a connecting block. A limiting groove is formed in the bottom end of the limiting lock rod, and the limiting groove is formed in one side of the bottom end in the door frame. According to the civil air defense door, the limiting lock rod, the connecting block, the limiting groove and other assemblies are arranged, and in the use process of the civil air defense door, the first rotating rod is rotated to drive the lock head to be rotationally clamped into the lock hole, so that positioning and locking of the civil air defense door are completed; and a limiting lock rod installed on one side of the vertical rod can be clamped into the limiting groove to form another positioning lock of the civil air defense door, so that the civil air defense door has double positioning, locking is firmer, and safety is higher.

The invention provides an electrical system lightning protection and grounding protection device, and relates to the technical field of lightning protection and grounding, the electrical system lightning protection and grounding protection device comprises a mounting rack, a lower mesh enclosure and lightning arresters, the left and right parts of the upper end surface of the mounting rack are each provided with two groups of first screw holes, and a group of lightning arresters is sleeved with each group of first screw holes; upper net covers are arranged on the left side and the right side of the upper end of the mounting frame, the upper net cover on each side surrounds the lightning arrester on the same side, a lower net cover is mounted on the lower side of the mounting frame, and a grounding wire is arranged on the lower side of the middle of the lower net cover; side connecting plates are arranged at the left end and the right end of the mounting frame correspondingly, and second screw holes are formed in the side connecting plates. According to the invention, stable installation in an electrical system site is facilitated, large-scale lightning protection grounding installation processing is carried out, the upper side and the lower side are both provided with protective net cover structures, rat-proof processing of equipment is also firm, lasting safety of lightning protection grounding of the equipment is guaranteed, and the equipment is safer and more reliable.

The utility model provides a large-flow submersible pump, which relates to the technical field of submersible pumps, and comprises a motor, a pump body and a diversion channel, the lower part of the motor is provided with a thrust bearing seat, the bottom end of the motor is provided with a base, the upper end of the motor is provided with a pump shaft, the pump shaft is positioned in the center of the pump body, the middle part of the pump body is provided with a water inlet section assembly, and the water inlet section assembly is provided with a water outlet. An upper flow guide shell assembly is arranged on the upper portion of the pump body, a flow guide channel is installed in the upper flow guide shell assembly, a check valve assembly is installed at the upper end of the upper flow guide shell assembly, the outer side of the upper portion of the motor is sleeved with a motor connecting frame, a shaft rod lower connecting sleeve is arranged above the motor connecting frame, and the lower portion of the pump shaft is sleeved with the shaft rod lower connecting sleeve. Water flow can be conveniently and rapidly pumped in, the water flow entering the pump body flows into the flow guide channel in a wave-shaped curve track mode, water flow impact pressure and abrasion can be reduced, water flow reverse flow is effectively avoided, use is more stable and reliable, and durability is achieved.

The application discloses a positioning surface machining device for building aluminum plate renovation, which comprises a box body and a positioning mechanism, and one end of the top of the box body is provided with a direction adjusting mechanism which can adjust the direction of the positioning mechanism. The application has the advantages that the direction angle of the positioning member can be adjusted through the direction adjusting mechanism, so that the positioning member can be rotated to a suitable position according to the requirement, and can be freely rotated and adjusted. In addition, the external mechanical arm can improve the efficiency of taking and placing the aluminum plate. The positioning mechanism is used for realizing the downward pressing and fixing of the aluminum plate, realizing the positioning operation of the aluminum plate, avoiding the position deviation during cutting, shielding and protecting the cutting completion through the structural design of the pressing frame, avoiding the spark splashing and the diffusion of the aluminum powder, facilitating the subsequent cleaning, avoiding the dust damage to the external loading and unloading equipment, and realizing the equipment protection effect.

The invention discloses a preparation method of a crusher hammerhead in the technical field of crusher hammerhead preparation, the hammerhead is prepared by an imbedding method, GT35 steel is used as an embedded column, high manganese steel is used as a base material, and the preparation process at least comprises the following steps: firstly, placing the embedded column at a preset position of a to-be-poured mold; the preset position corresponds to a main worn part in the use process of the hammer head; secondly, high manganese steel liquid is used for pouring, and a casting is formed; and finally, the casting is subjected to water toughening treatment to improve the hardness. The hammerhead is prepared by using an imbedding method, production can be realized under common casting conditions, and the embedded column only needs to be arranged at a part needing wear resistance, so that the cost is greatly reduced compared with the prior art. The GT35 steel bond hard alloy serves as the inlaid column, the high manganese steel serves as base metal for imbedding, the characteristic that the GT35 steel bond hard alloy is high in hardness is fully utilized, meanwhile, the characteristic that a base body is a steel base and is prone to forming metallurgical bonding with the high manganese steel is considered, and compared with other double-metal compounding, the inlaid column and the base metal high manganese steel are combined more firmly.

The utility model discloses a high-altitude construction operation protection device which comprises a bearing platform, the left side and the right side of the bearing platform are fixedly connected with hollow supporting plates through bolts, a straight rod is rotationally connected between the two hollow supporting plates, the left end of the straight rod is fixedly connected with a ratchet wheel, and the ratchet wheel is located on the left sides of the hollow supporting plates; the surfaces of the left end and the right end of the straight rod are fixedly connected with gears, the gears are located between the two hollow supporting plates, and the tops of the hollow supporting plates are rotationally connected with inclined face pressing plates. The ratchet wheel and the gear are driven to rotate synchronously by shaking the crank, at the moment, the ratchet wheel cannot rotate reversely under the action of the slope pressing plate and the spring plate, then the height of the supporting column and the height of the extension frame are adjusted, and the protection range of the bearing platform can be changed. The purpose of more safely protecting workers with different heights conveniently is achieved.

The utility model discloses a turnover molding cup making machine top protection mechanism which comprises a turnover molding cup making machine body, the upper surface of the turnover molding cup making machine body is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting frame, and the upper surface of the supporting frame is fixedly connected with a protection fence. And a moving groove is formed in the inner wall of the protective fence. According to the device, through cooperation of the protective fence, the climbing frame and the handrails arranged in the device, safer protection can be provided for workers, and through the rotatable rotating baffles installed on the inner wall of the protective fence, the workers can place the rotating baffles on the upper surface of the bottom plate when using the device, so that the working efficiency is improved; and through cooperation of a moving groove and a moving block, the position of a rotating baffle can be moved, a better maintenance position is provided for workers, and therefore the problem that in the maintenance process of an existing device, the personal safety of the workers cannot be guaranteed is effectively solved through the device.

The utility model belongs to the technical field of extrusion equipment, and particularly relates to an extrusion protection device and a lithium battery module stacking system.The extrusion protection device comprises a main body framework, an upper computer, a first driving mechanism, a first extrusion plate, a pressure sensing module, a second driving mechanism, a second extrusion plate and a photoelectric sensing module; the upper computer controls the first driving mechanism to drive the first extrusion plate to move and the second driving mechanism to drive the second extrusion plate to move; the sensor is used for acquiring stress data of the first extrusion plate and shielding signals of the second extrusion plate; the first driving mechanism, the first extrusion plate, the second driving mechanism and the second extrusion plate are arranged on the main body framework, and meanwhile, the upper computer, the pressure sensing module and the photoelectric sensing module are matched to electrically and intelligently control stacked battery cells, so that personnel and products can be safely and reliably protected; compared with an existing manual visual inspection mode, the visual inspection system has the advantages of being higher in response speed, more stable, more reliable and safer.

The utility model discloses a lifting type safety rail for a coke oven maintenance platform. The lifting type safety rail comprises a rail and at least one group of rail components, the track is fixed on the coke car; each guardrail assembly comprises a vertical slide way fixed to the side wall below the maintenance platform and a handrail arranged on the vertical slide way in a sliding mode. An upper sliding block and a lower sliding block are arranged in the vertical sliding way from top to bottom in a sliding mode and connected through a connecting assembly. A wheel shaft of a roller matched with the track is fixedly arranged on the lower sliding block; the bottom end of the middle vertical rod is fixedly connected with the upper sliding block. The rail has the advantages that when the coke car moves, the rail can automatically descend along with the descending rail of the rail, so that interference with a coke pushing rod on the coke car is avoided; when the coke car stops moving and the coke oven needs to be overhauled, the handrail can be always in a descending state; when the coke car completes coke pushing or overhauling work and gradually gets away from the overhauling platform, the handrail can automatically ascend along with the lifting track, and safe and reliable protection is provided for overhauling workers.

The utility model discloses an anti-collision safety guardrail for a coke oven maintenance platform. The anti-collision safety guardrail comprises a lifting guardrail assembly and an anti-collision assembly, the anti-collision assembly comprises a laser range finder arranged on the maintenance platform, a displacement sensor arranged on the lifting type guardrail assembly, a PLC and an alarm. The signal output ends of the laser range finder and the displacement sensor are both in signal connection with the signal input end of the PLC, and the signal output end of the PLC is respectively in signal connection with the signal input ends of the alarm and the driving device of the coke pusher. The coke pusher maintenance platform has the advantages that the distance between the coke pusher and the maintenance platform and the lifting state of the guardrail are detected through the laser range finder and the displacement sensor respectively, and when the states of the coke pusher and the guardrail are not matched, the PLC triggers the alarm to give an alarm in time to remind workers to check and control starting and stopping of the coke pusher, so that safety accidents are avoided, and meanwhile the safety of the coke pusher is guaranteed. And the safety guardrail is prevented from being damaged due to collision with the coke pusher.

The application discloses a target recognition method based on multi-modal space-time feature fusion, comprising the following steps: S1, collecting multi-source heterogeneous data, and performing space registration on the multi-source heterogeneous data; S2, candidate region extraction based on deep instance segmentation: adopting a YOLOv8-seg model to process an RGB image, and outputting a candidate region set; S3, performing geometric checking on each candidate region; S4, material identification of the candidate region based on thermodynamic gradient; S5, distinguishing rigid bodies and flexible bodies of the candidate region through time sequence dynamics characteristics; S6, comprehensive confidence evaluation and decision output. The application constructs a three-in-one layered filtering system of "geometry-thermology-dynamics", and through multi-modal data fusion and physical feature checking, can realize accurate recognition of non-rigid interference targets.

The utility model discloses an integrated efficient turn-milling composite processing machine relates to processing machine technical field, including bottom case and machine body, the machine body is fixed on the upper side of bottom case, the both ends of the front side of machine body are both fixed with side plate, the close side of two side plate is both fixed with slide bar, and the slide bar is fixed with the slide bar. The rod walls of the two sliding rods are movably sleeved with door bodies, the rod walls of the sliding rods are movably sleeved with first springs, and the two ends of the first springs are fixedly connected with the corresponding side plates and the door bodies correspondingly. And rotating rods are rotationally arranged on the two sides of the interior of the bottom shell, the rod walls of the rotating rods are fixedly sleeved with rope winding rollers, pull ropes are arranged on the outer walls of the rope winding rollers in a winding mode, and one ends of the pull ropes extend to the outer side of the bottom shell and are fixedly connected with the side, close to the side plate, of the door body. The protective door can be automatically opened and closed, the protective door can be effectively prevented from being forgotten to be closed, and the use safety of equipment is improved.

The utility model relates to the field of electric actuator devices, in particular to a safe and reliable protective structure of an electric actuator, which comprises a protective shell, the protective shell comprises a protective cover and a base, a motor cavity is arranged in the protective cover, a protective plate is arranged at one end of the protective cover, an output end is arranged on the protective plate, and an opening is arranged at the other end of the protective cover. The base is installed at the bottom of the protective cover in a sliding mode, the fixing base is installed on the base in a sliding mode, the electric actuator is installed on the fixing base of the base, then the protective cover and the base are assembled, the two ends of the protective cover are sealed through the protective plate and the baffle, and the safety protection effect on the electric actuator is achieved. The electric actuator is usually provided with a display screen and operation keys for control, the operation opening is formed in the protective cover so that the electric actuator can be conveniently controlled, after control is completed, the protective plate can slide, the protective cover is attached to the limiting frame, magnets are used for attraction, and therefore the operation opening is sealed.

The utility model provides an operation frame for installing a photovoltaic support. The operation frame for installing the photovoltaic support comprises a base; the two pairs of telescopic cylinders are fixedly mounted on the two sides of the base respectively; the two pairs of telescopic rods are respectively arranged in the two pairs of telescopic cylinders in a sliding manner; the operation table is fixedly installed at the tops of the two pairs of telescopic rods, and the operation table is used for personnel to stand; and the pair of fixed cylinders are rotationally mounted on the two sides of the operation table respectively. The operation frame used for photovoltaic support installation has the advantages that the height of the operation table can be adjusted, installation personnel can conduct welding, installation and other operations along with photovoltaic supports of different heights conveniently, the operation frame can be supported, and the operation frame is prevented from being turned on one side.