38results about How to "Eliminate entry" patented technology

The invention provides an automatic cleaning device in a solar condensation system, and belongs to the technical field of solar energy utilization. The device solves the technical problem that an existing solar condensation system is not provided with the automatic cleaning device and accordingly the photo-thermal conversion efficiency is low. According to the automatic cleaning device in the solar condensation system, the solar condensation system comprises a glass room, glass plates are arranged on the upper portion of the glass room and are in an inverted V shape, rainwater tanks used for collecting rainwater are fixedly arranged at the lower positions of the two ends of each glass plate, and water outlet holes are formed in the two ends of each rainwater tank. The automatic cleaning device comprises an inverted V-shaped movable frame, a cleaning agent box capable of storing a solid-state cleaning agent is fixedly arranged in the middle of the movable frame, and a water pump is fixedly arranged in the cleaning agent box. The automatic cleaning device has the advantages of having an automatic cleaning function and being high in photo-thermal conversion efficiency.

The invention provides a vertical anaerobic process tank integrated triphase separator, comprising a vertical anaerobic tank; the top of the vertical anaerobic tank is provided with an air outlet, the upper part of the vertical anaerobic tank is internally provided with a gas collection chamber, the bottom part of the vertical anaerobic tank is provided with a water inlet tube; the invention is characterized in that the middle part of the lower part of the gas collection chamber is provided with a sedimentation tank, the upper part of the sedimentation tank is internally provided with a water collection tank, the bottom of the water collection tank is connected with a water outlet tube, the bottom of the sedimentation tank is connected with a mud bucket, the bottom of the mud bucket is connected with a dredge pipe, the middle part of the sedimentation tank is provided with a vertical reinforced gas-liquid separator, one end of the vertical reinforced gas-liquid separator is connected with the gas collection chamber and the other end is connected with the mud bucket; one end of a air chamber tube assy is arranged in the vertical gas-liquid separator, and the other end is arranged between the external side wall of the sedimentation tank and the internal side wall of the vertical anaerobic tank. The invention has the advantages of good separation effect, simple device and convenient operation.

The invention relates to the technical field of pipeline sanitation and safety, in particular to a self-adjusting pipeline cleaning robot and a cleaning method. According to the cleaning robot, the auxiliary module is arranged on the chassis of the movement module, and when the inner diameter of a pipeline is increased, a sleeve stretches the length of a telescopic rod assembly under the action of the magnetic force of a magnetic adsorption ball so as to keep the chassis to walk stably; when the inner diameter of the pipeline is reduced, the inner wall of the pipeline applies axial pressure to the sleeve, the length of the telescopic rod assembly is compressed, and the passing ability of the base plate in the pipeline is guaranteed. The hidden danger that the robot cannot work normally and even turns backwards due to the fact that the forefront end part and the tail end part, close to the robot, of the crawler permanent magnet adsorption structure are in poor contact with the inner wall of the pipeline when the robot enters the turning section of the vertical pipeline from the horizontal pipeline is effectively eliminated. In the vertical pipeline section, the telescopic rod assembly and the crawler belt permanent magnet adsorption structure are coordinated and matched, it is guaranteed that the robot crawl stably, and then vertical pipe wall cleaning and disinfection work is better completed.

The invention discloses a medical protective air conditioning suit. The invention belongs to the technical field of medical protection equipment. The suit comprises a helmet, upper suit and lower suit, a filter element is arranged at lower part of the upper suit, and a first positive-pressure fan is arranged at the upper part inside the filter element; the first positive pressure fan is connectedwith the filter element through a pipeline; a positive-pressure air duct is arranged on the back of the helmet; the first positive pressure fan is connected with a positive pressure air guide pipe; apositive-pressure air outlet belt is arranged at the upper part of the helmet; a main power supply is arranged on one side of the upper suit; a controller is arranged on one side of the upper suit front away from the main power supply; a switch is arranged on one side of the controller away from the main power supply; a differential pressure sensor is arranged above the controller; the first positive pressure fan and the differential pressure sensor are electrically connected with the controller; the controller is electrically connected with the switch; the switch is electrically connected with the main power supply; a refrigeration system and an anti-condensation device are arranged in the helmet, and a disinfection device is arranged below the main power supply. According to the air conditioning suit, the isolation effect of the air-conditioning suit on pathogenic bacteria is guaranteed, the temperature in the air conditioning suit is always pleasant, and the problems of an existingprotective suit are well solved.

The invention relates to a deviation correcting device for an abnormal bolt, comprising a conveyor part (1) of the abnormal bolt (5) and a guide rail (2). The guide rail (2) on which the abnormal bolt runs is arranged on a stander, the guide rail arranged at one end of a thread rolling part (3) is provided with a righting frame, the righting frame is used for preventing the abnormal bolt (5) from rocking on the guide rail and comprises a left clamping plate (4) and a right clamping plate (4), each clamping plate (4) is an angle plate consisting of a vertical plate (41) and a transverse plate (42), the vertical plates (41) of the two clamp plates (4) are respectively fixed on corresponding side surfaces of the guide rail (2), the transverse plates (42) at the tops of the clamping plates (4) are located above the top surface of the guide rail (2), and the distance (h) between two opposite edges of the left transverse plate (42) and the right transverse plate (43) is equal to or just larger than the diameter (d) of the abnormal bolt (5). The invention has the advantages that: the righting frame is arranged on the guide rail, so the abnormal bolt is just limited in the right frame after the abnormal bolt moves in the righting frame, thereby limiting the transversely rocking of the bolt, preventing the abnormal bolt from entering the thread rolling part at a wrong state, and guarantying the thread rolling quality of the products.

A force sensor comprises: a substrate including a proximal surface and a distal surface; a plurality of sensing elements coupled to the distal surface of the substrate; a seal including a base wall and a flange extending proximally from the base wall, the flange positioned against the distal surface of the substrate to define a cavity between the base wall of the seal and the distal surface of thesubstrate within which the plurality of sensing elements is disposed; and a cover plate positioned over the seal and fixed to the substrate, the cover plate applying a closure force on the seal to inhibit the ingress of fluids into the cavity.

The invention provides a cone pump for chemical fiber production and with a dust setting and pressure tapping device. The cone pump under pressure is provided with a dust setting device communicatingwith the inside and on one side of a feeding hole in the upper part of a pump body, an air inlet pipe A communicating with the inside is arranged at the bottom of the pump body, a discharging pipe opening is formed in the other side of the upper part of the pump body, and a pressure transmitter is arranged at the top of the dust setting device; and one side of the dust setting device is connectedwith an air inlet pipe B communicating with the inside, and an angle seat valve is arranged on the air inlet pipe B. In the using state, the dust setting device can intake compressed air through the air inlet pipe B to blow the interior of the cone pump, internal dust can be prevented from blocking the interior of the cone pump, and the compressed air enters the air inlet pipe A at the bottom endto conduct air supply production for cone pump fluidization treatment.

The invention relates to the technical field of aluminum alloy performance research and discloses an aluminum alloy door and window material with the excellent sound-insulation effect. By blending thealloy proportion, the aluminum alloy door and window material has excellent mechanical and chemical performance, a porous additive is added as a modifier, the aluminum alloy door and window materialis refined and fused, then an aluminum alloy is full of the aluminum alloy door and window material, thus the structure of the aluminum alloy is changed, the porous structure with the great sound-insulation effect is formed, ambient noise can be prevented from entering an isolation space, and the life quality of people is greatly improved.

The invention discloses a submersible electric pump with a combined impeller, and belongs to the technical field of water pumps. A water pump and a submersible motor are included; the water pump and the submersible motor are connected into a whole; a shaft of the water pump penetrates through the water pump, a shaft of the submersible motor penetrates through the submersible motor, and the shaft of the water pump is connected with the shaft of the submersible motor through a coupler; a water inlet joint of the water pump is connected with a pump body, the water inlet joint and the pump body are fixed into a whole through fastening bolts, and a lower half part of the pump body is a front joint; the shaft penetrates through the water inlet joint and the pump body; the water inlet joint is wrapped with a water inlet filter screen, a shaft in the water inlet joint is connected to a bearing seat through a bearing, and the upper end of the bearing is connected with a framework seal; a frontimpeller and an impeller are sequentially positioned and connected to the shaft through keys, and the front impeller is located in a front section of the pump body; and a positioning sleeve is connected to the shaft and at the joint of the water inlet joint and the pump body in a sleeving mode. The submersible electric pump has the advantages that the impact loss of water flow is reduced, and theefficiency of the water pump is improved while the flow and lift of the water pump are increased; and the submersible electric pump is simple and convenient to use, and the application range of the water pump is expanded.

The invention provides a precision casting device and process for eliminating molten metal bubbles during casting. The precision casting process for eliminating the molten metal bubbles during casting comprises the steps of wax mold manufacturing, surface layer shell manufacturing, second layer shell manufacturing, third layer shell manufacturing, fourth layer shell manufacturing, fifth layer shell manufacturing, slurry sealing and shell forming, dewaxing, roasting, bubble-free casting and inspection processing. Particularly, during bubble-free casting, the molten metal directly hits the bottom of a cavity as little as possible through the precision casting device for eliminating molten metal bubbles during casting which comprises a liquid injection port, a kettle body and a liquid outlet, but the molten metal softly flows in the cavity through buffering of the side wall of the cavity. By means of the casting mode, metal bubbles in the cavity are eliminated, the yield is improved, and the casting cost is reduced.