11results about How to "Protective equipment" patented technology

The invention discloses an unmanned aerial vehicle seaborne landing airbag, and belongs to the technical field of unmanned aerial vehicle landing, the unmanned aerial vehicle seaborne landing airbag comprises an airbag and an airbag inflation mechanism used for inflating gas into the airbag, the airbag inflation mechanism comprises a gas storage tank, a manual opening and closing valve, a high-pressure hose, an electromagnetic exhaust valve and an adapter, and the gas storage tank is fixedly connected to a vehicle body of an unmanned aerial vehicle; one end of the air storage tank is connected with the manual opening and closing valve, one end of the high-pressure hose is connected with the manual opening and closing valve through a first hose connector, the other end of the high-pressure hose is connected with the electromagnetic exhaust valve through a second hose connector, one end of the adapter is connected with the electromagnetic exhaust valve, and the other end of the adapter is connected with the air bag. The unmanned aerial vehicle is in control connection with the electromagnetic exhaust valve, and the air bag is located at the bottom of the vehicle body after pushing open the cabin cover of the unmanned aerial vehicle downwards in the using state. According to the unmanned aerial vehicle offshore landing airbag, the unmanned aerial vehicle can operate in a sea area and stably land to the sea surface, and the problem of offshore landing of the unmanned aerial vehicle is effectively solved.

The invention relates to the technical field of building decorative curtain walls, and discloses a building decorative curtain wall with an embedded pressurized water-proof structure, comprising: a supporting wall, which is a wall body mainly supported at the installation location of the building curtain wall, and a sealing back plate is arranged on the surface of the supporting wall, and the sealing back plate is connected by positioning bolts, and a sealing side plate is symmetrically arranged on both sides of the sealing back plate, and the two sealing side plates are installed with the curtain wall decorative plate. The building decorative curtain wall with an embedded pressurized water-proof structure provides a connection port at one end of the supporting wall and the sealing top plate, and the sealing side plate and the sealing bottom plate through the sealing back plate, so as to avoid the uneven connection between the constructed decorative curtain wall and the supporting wall, which causes the water to directly penetrate into the interior along the installation location of the supporting wall and the curtain wall, and the sealing back plate is arranged to increase the sealing of the interior of the decorative curtain wall, reduce the corrosion and damage of the curtain wall structure caused by water seepage, and thus extend the service life of the building decorative curtain wall.

The invention relates to the technical field of architectural decoration curtain walls, and discloses an architectural decoration curtain wall with an embedded pressurized anti-seepage structure, comprising a support wall which is a wall body mainly supporting the installation position of the architectural curtain wall, and the surface of the support wall is provided with a sealing back plate which is connected by a positioning bolt in a penetrating manner; the two sealing side plates are symmetrically arranged on the two sides of the sealing back plate, and the two sealing side plates and the curtain wall decoration plate are installed. According to the building decoration curtain wall with the embedded pressurization water seepage prevention structure, the sealing back plate is located at one end of the supporting wall and the sealing top plate and one end of the sealing side plate and the sealing bottom plate to provide connecting ports, and the situation that due to the fact that the connecting position of the formed decoration curtain wall and the supporting wall is uneven, water directly permeates into the interior along the mounting position of the supporting wall and the curtain wall is avoided; the sealing performance inside the decorative curtain wall is improved, corrosion and damage of the curtain wall structure caused by water seepage are reduced, and therefore the service life of the building decorative curtain wall is prolonged.

The utility model relates to the technical field of expansion water tanks, and discloses a damping device for an expansion water tank, which comprises a water tank body, a bearing top plate is arranged at the bottom end of the water tank body, a damping cover plate is fixedly connected to the bottom end of the bearing top plate, and an outer protective cylinder is fixedly connected to the bottom end of the damping cover plate. And a sleeve rod is movably connected into the outer protective cylinder in a sleeved mode, a piston is fixedly connected to the outer wall of the sleeve rod, a spring isolation plate is fixedly connected to the bottom end of the sleeve rod, and a damping spring is fixedly connected to the top end of the spring isolation plate. According to the damping device for the expansion tank, water flows into the tank body of the water tank along with starting of the water pump and then is transmitted to the base for damping, equipment such as pipelines and valves in the water tank can be impacted and vibrated by vibration, fatigue damage and damage of the equipment are easily caused, the damping design of the base can reduce the influence of vibration on the equipment, and the service life of the equipment is prolonged. The service life is prolonged, and the maintenance and replacement cost is reduced.

The utility model discloses a dust collection device for a toilet paper production workshop, which comprises a cart, the top of the cart is fixedly connected with a mounting groove, the interior of the mounting groove is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a lifting strip. Through cooperation of the stepping motor, the rotating disc, the lifting strip, the lifting groove, the threaded rod, the lifting block, the moving strip, the translation groove, the translation column, the translation block and the dust collection cover, the angle, height and horizontal position of the dust collection cover can be flexibly adjusted, a dust source can be accurately aligned, the dust collection efficiency is improved, and the dust collection effect is good. Then through cooperation of a dust collection fan, a flow divider and a telescopic dust collection pipe, a dust collection system can be formed, dust can be effectively collected, a toilet paper production workshop is kept clean, and a cart is convenient to move and can be flexibly placed according to the layout of production equipment.

The anchor net chain buckle machine comprises a machine body, a handle is installed at the bottom of the machine body, the bottom of the handle is communicated with a connector, the bottom of the connector is communicated with an air pipe, and grooves are formed in the bottoms of the front face and the back face of the handle. The circular ring is separated from the protective block by rotating the circular ring, then the supporting block and the clamping block are pulled upwards, and the protective block is pulled outwards, so that the protective block and the connecting block rotate outwards around the rotating shaft, the clamping block is separated from the clamping groove, the rubber pad is separated from the air pipe, and the protective block is disassembled. The anchor net chain shackle machine in the steeply inclined ore body has the advantage of protection, the stability of the anchor net chain shackle machine is improved, meanwhile, the connecting position of the air pipe and the anchor net chain shackle machine is prevented from being damaged by external force, and leakage at the connecting position of the anchor net chain shackle machine is avoided.

The utility model discloses a force and torque sensor, and belongs to the technical field of sensors. The device comprises a machine body, a base is fixedly connected to the bottom of the machine body, a shell is arranged on the surface of the machine body, supporting blocks are fixedly connected to the two sides of the top of the shell, and the bottoms of the supporting blocks penetrate into the base. A pull block moves forwards to drive a limiting block and a toothed plate to move forwards, the toothed plate moves forwards to drive a disc and a movable rod to rotate inwards around a positioning rod, a frame and a T-shaped clamping block move inwards, the T-shaped clamping block is separated from a clamping groove, then a shell moves upwards to drive a supporting block to move upwards, and the shell is separated from a machine body; when the shell is disassembled and protected, the shell can protect the machine body by reverse operation of an operator, the force and torque sensor has the advantage of protection, the stability of the force and torque sensor is improved, and meanwhile, the force and torque sensor is prevented from being damaged when the force and torque sensor is collided and extruded by external force.

The invention discloses a portable AC-DC voltage converter which comprises an AC-DC input loop, a charging module, a lithium battery, an inversion module, an isolation boosting transformer, a central processing unit control unit, a touch screen and an output relay. The input loop charges the lithium battery through the charging module, the lithium battery provides a power supply for the isolation boosting transformer through the inversion module, the boosting transformer outputs multi-stage alternating voltage and distributes the multi-stage alternating voltage to a load through the output relay, and the central processor control unit acquires parameters such as voltage and current in real time based on neural network prediction and fuzzy control rules. The SPWM signal modulation duty ratio of the inversion module is dynamically adjusted, and stable voltage output is achieved. Multi-power-supply compatibility is achieved through the alternating current and direct current self-adaptive charging module, the dynamic response capacity and control precision are improved through neural network predictive control, the voltage stability is ensured through fuzzy control rules, the functions of overload protection, short circuit protection and real-time adjustment are achieved, and the application range is wide.

The utility model relates to a louver technical field especially relates to a kind of high -efficient waterproof ventilation louver for sailing ship. It includes louver main part, the louver main part top is provided with inverted L shape ventilation passage, the louver main part back is provided with mounting shell, waterproof assembly is provided in the mounting shell. The utility model is through the positive rotation of motor by controller start, motor drives shaft and sprocket chain transmission, realizes a shaft winding waterproof membrane roll, another shaft winding connection line, quickly unfolds waterproof membrane, easy to operate and efficient, can be in time to louver waterproof protection, avoid rainwater into the ship interior, protect the equipment, goods and ship structure in ship, reduce the corrosion, short circuit and so on fault risk caused by rainwater erosion.

The utility model discloses an intelligent weak current detection device which comprises a shell, an instrument body is arranged in the shell, a transverse block is fixedly connected to the back face of the instrument body, protruding blocks are fixedly connected to the four corners of the back face of the inner wall of the shell, the front faces of the protruding blocks penetrate into the transverse block, and clamping blocks are movably connected to the four corners of the back face of the inner wall of the transverse block through rotating shafts. The cover plate rotates clockwise around the hinge, so that the cover plate is separated from the shell, then the pull block moves upwards to drive the movable rod to move upwards, the clamping block rotates towards the inner side around the rotating shaft, the clamping block is separated from the clamping groove, then the instrument body is pulled forwards, the instrument body is separated from the shell, the instrument body is disassembled and protected, and the operation is opposite, so that the instrument body can be protected. The intelligent weak current detection device has the advantage of protection, the stability of the intelligent weak current detection device is improved, meanwhile, the intelligent weak current detection device is prevented from being collided and rubbed by external force, and the intelligent weak current detection device is prevented from being damaged.

The utility model discloses a tower crane foundation protection device which comprises a protection piece which is arranged on a tower crane foundation in a surrounding mode and used for protecting the tower crane foundation and a positioning rod which is used for positioning and auxiliary supporting of the protection piece, and the protection piece comprises a protection fence and a protection door installed on the protection fence. The protective fence comprises a plurality of horizontal rods, a plurality of vertical rods arranged in the length direction of the horizontal rods, vertical connecting pieces used for vertical connection and corner connecting pieces used for corner connection, every two adjacent horizontal rods are connected into an L-shaped structure through the corresponding corner connecting pieces, and the vertical rods are fixedly installed on the horizontal rods through the vertical connecting pieces. The protective door comprises a door body arranged between the two vertical rods and connecting rods fixed to the two sides of the door body, and the connecting rods are fixedly connected with the vertical rods through vertical connecting pieces. And the positioning rods are arranged at the inner corners of the protection pieces and are fixedly connected with the ground at the tower crane foundation. The device is assembled by adopting assembly type components, is convenient to assemble and disassemble, and is favorable for turnover use.