77results about How to "Achieve dustproof" patented technology

The invention relates to an aqueous concrete seal hardener and a preparation method thereof in the technical field of building materials. The aqueous concrete seal hardener comprises the following ingredients by mass percentage: 30-40 percent of silicon sol, 0.25-3.0 percent of catalyst, 0.1-0.5 percent of surface active agent, 1-5 percent of potassium methyl silicate and 53.0-66.75 percent of deionized water. In the invention, the aqueous concrete seal hardener can be directly sprayed on the surface of the concrete for construction without pollution; the aqueous concrete seal hardener has strong abrasive resistance, the hardness of the concrete is greatly improved, and the aqueous concrete seal hardener has the characteristics of high sealing property, strong water repellency and dust-proofing performance, hydrolysis is carried out by potassium methyl silicate in the hardener on the surface of the concrete and inside the concrete after permeation, so as to form a membrane with hydrophobic nature and realize the water-repellency and dust-proofing performance; the action of the aqueous concrete seal hardener is durable, and the surface of the concrete has waxing-like luster after the concrete is used for a long time.

The invention discloses a penetrating type liquid hardening agent and a preparation method thereof. The penetrating type liquid hardening agent comprises the following components in percentage by weight: 30 to 70 percent of water, 0.5 to 2.0 percent of complexing components, 0.4 to 1.0 percent of a promoting component, 20 to 60 percent of a lithium silicate solution, 2 to 8 percent of a penetration-resistant agent and 0.02 to 0.1 percent of a surfactant. According to the penetrating type liquid hardening agent, the gelatinization time of the hardening agent is prolonged by adopting an ionic complex method, so that the hardening agent can penetrate deeply into the surface of concrete and generate more thorough reaction with calcium ions. The penetrating type liquid hardening agent is a strongly alkaline solution and can greatly reduce the water absorption amount of the surface after being brushed on the surface of the concrete, thus enhancing the wear resistance of the surface of the concrete. The penetrating type liquid hardening agent does not contain VOC, belongs to an environment-friendly product and can be used for enhancing indoor and outdoor concrete surfaces.

A portable and intelligent medicine box with a rotatable box cover comprises a groups of box cover limiting units and a cell sensing unit connected with a microprocessor, wherein a medicine outlet is formed in the box cover and corresponds to one cell on a medicine plate, the cell sensing unit comprises a flywheel driving the box cover to integrally rotate and an infrared sensing device, multiple through holes corresponding to multiple cells on the medicine plate are uniformly distributed in the flywheel and pass by the infrared sensing device during flywheel rotation. Each box cover limiting unit comprises a ratchet mechanism, wherein the ratchet mechanism comprises an upper ratchet wheel and a lower ratchet wheel which are mutually meshed, the upper ratchet wheel integrally rotates with the flywheel, and the lower ratchet wheel is fixedly connected to the medicine plate. Multiple sawteeth corresponding to the multiple cells on the medicine plate form the engaged tooth parts of the upper ratchet wheel and the lower ratchet wheel. The dampproof, waterproof and dustproof problems are solved by using the medicine box, the control to in-place rotation of the cells of the medicine plate is also accurate, Bluetooth connection control on an intelligent handheld device can be achieved, and medicine taking can be more conveniently and effectively reminded.

The invention provides a plasma waste gas treatment device and method, and belongs to the technical field of waste gas treatment.The plasma waste gas treatment device comprises a thermal reaction system, an air inlet system, a cooling system, a multistage purification washing system, an exhaust system and a liquid circulating system, and the structureis compact, safe and reliable.The plasma wastegas treatment method comprises the following steps of: carrying out high-temperature cracking reaction after waste gas to be treated enters into the thermal reaction system through the air inlet system, and carrying out quenching and preliminary purification after entering the cooling system; carrying out washing and purification for a plurality of times after entering the multistage washing system; finally discharging the waste gas from a chimney through a dehydration layer under the action of an induced draft fan.The waste gas is subjected to high-temperature cracking, cooling, preliminary purification and multistage purification, so that the purification speed is obviously improved; and the waste gas which can be treated by the method comprises perfluorides, inflammable substances, corrosion, poisons and the like, the purification is thorough, the method is safe and reliable.

The invention discloses an automatic reciprocating cleaning device for unmanned aerial vehicle (UAV) image monitoring, which comprises a mounting tube, wherein the lower surface of the mounting tube is fixedly connected with a tempered transparent glass, the bottom inner wall of the mounting tube is fixedly connected with a video camera through a partition plate, and the upper surface of the partition plate is fixedly provided with a central processor. An automatic reciprocating cleaning device for image monitoring of an unmanned aerial vehicle the effect of reciprocating cleaning of the cleaning rod is achieved, When the connecting rod touches the upper travel switch, the upper travel switch sends out an electrical signal, Control motor reverse, the connecting rod slides down in the chute, When the connecting rod touches the lower travel switch, the lower travel switch sends an electrical signal, By controlling the motor to rotate forward, the connecting rod slides upward in the sliding groove, and then the rotating pin shaft is controlled to rotate forward and backward, so as to control the cleaning rod to swing back and forth and achieve the effect of automatic cleaning, therebyeffectively solving the problem that the monitoring equipment used in the unmanned aerial vehicle is easily covered by dust and affects its normal use.

A solar energy photovoltaic assembly taping type bonding sealing structure comprises a plurality of solar energy photovoltaic assemblies; each solar energy photovoltaic assembly comprises a square solar panel assembly and four frame section bars arranged on four edges of the solar panel assembly; the outer walls of the four frame section bars is provided with a splicing wings used for splicing with adjacent solar energy photovoltaic assemblies; the top of the inner wall of the four frame section bars is provided with a bearing plate used for bearing the solar panel assembly; a solar panel fixing tape used for fixing the solar panel assembly is arranged above the bearing plate; the solar panel assembly is placed on the bearing plate, and the top surface of the solar panel assembly is higher than the top of the frame section bar; the adjacent solar energy photovoltaic assemblies are spliced in a non-contact manner through the splicing wings on each frame section bar; waterproof glue is arranged in the gap of splicing wings of two adjacent solar energy photovoltaic assemblies. The advantages are that the solar energy photovoltaic assembly taping type bonding sealing structure can generate power, is waterproof, dustproof, energy saving, and environment friendly.

The invention discloses a power cable hydraulic anti-theft well lid. The power cable hydraulic anti-theft well lid comprises a well cover, a well ring and a hydraulic lock mechanism, wherein the hydraulic lock mechanism is used for locking the well cover. The well cover is connected with the well ring through a hinge pin. The hydraulic lock mechanism is arranged at the bottom of the well cover. The hydraulic lock mechanism comprises a hydraulic oil cylinder and an oil conveying pipe, wherein the oil conveying pipe is connected with the hydraulic oil cylinder. A lock and a lock reset spring are squeezed by a piston to move and are arranged on the wall of the oil cylinder. A spring which drives the piston to reset is arranged in the oil cylinder. The well cover is further provided with an oil injection hole which is communicated with the oil conveying pipe, and an oil injection hole plug which blocks the oil injection hole. When the well cover is opened, a hydraulic pump needs to be used for injecting oil into the hydraulic oil cylinder, the piston is driven to move so as to enable the lock to retreat, and therefore the well cover can be opened. The hydraulic lock mechanism is separated from the hydraulic pump, the anti-theft effect can be achieved only in the operating process, the hydraulic lock mechanism can be opened only through a special tool, and therefore the anti-theft performance of the well lid is enhanced, the hydraulic lock mechanism is simple in structure, the well lid is convenient to open or close, and the problem that the well lid is easily stolen is thoroughly solved.

The invention discloses a glue coating machine which comprises a machine body, a Y-axis guide rail and a glue coating device, wherein the Y-axis guide rail is arranged on a machine table and extends along the Y-axis direction, the glue coating device is arranged on the machine table and consists of an X-axis guide rail extending along the X-axis direction, a Z-axis guide rail perpendicular to the X-axis direction and the Y-axis direction, a sliding seat, a screw valve embedded in the middle of the sliding seat, a clamp type glue bucket, a screw valve controller, a heater and a temperature controller; the invention further discloses a gluing method, which comprises the following steps: putting hot melt colloid into the clamp type glue bucket, heating through the heater to melt the hot melt colloid, controlling the temperature of the hot melt colloid to be unchanged through the temperature controller, regulating the screw valve through the screw valve controller to pressurize glue, controlling the motion trace of a needle head through the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail, and extruding the glue from the needle head to be evenly coated on the set trace. The glue coating machine can perform all-around automatic dispensing, and glue does not flow vertically and does not overflow, and is high in gluing strength and sealing property, so that the effects of being dustproof, antishock, waterproof and the like can be achieved, and the pass percentage of workpieces can be increased.

The invention discloses an assembled type waterproof power distribution cabinet with an automatic temperature control function. The assembled type waterproof power distribution cabinet comprises a base, a cabinet body and a top cover; a concave sliding groove is formed in the base; convex beams and pulleys are arranged on the bottom edges of three cabinet bodies relatively; matched hasp locks are arranged on the adjacent framework vertical columns and cross beams of the first cabinet body and the second cabinet body, and the adjacent framework vertical columns and cross beams of the second cabinet body and the third cabinet body respectively; bent telescopic sleeve pipes are also adopted on the top parts of the adjacent cabinet bodies to form sealed electric wire and cable channels; each cabinet body is also provided with an air inlet, an air outlet, a heat dissipation apparatus and an automatic control apparatus; and the V-shaped top cover can be stably embedded and inserted in clamping grooves formed in the top parts of the first cabinet body, the second cabinet body and the third cabinet body. The power distribution cabinet can be assembled onsite, so that the size of the single cabinet body can be reduced, and the power distribution cabinet is convenient to transport and high in stability after assembling; therefore, integration in form is realized while circuit interconnection is also achieved; and in addition, the power distribution cabinet is excellent in waterproof and heat dissipation functions, and convenient and flexible to use.

The invention discloses a frame earth stud of a solar photovoltaic module capable of eliminating an oxide layer, comprising a stud bolt, a screw nut and a scraping piece, wherein the stud bolt comprises a stud bolt head and a screw; the cylinder of the screw is provided with at least one groove which extends along an axial direction of the screw; the screw nut is in bolted connection with one end, far away from the stud bolt head, of the screw; the scraping piece is sleeved on the screw and arranged between the stud bolt head and the screw nut; a contact surface of the scraping piece and the screw is provided with a lug which is matched with the groove on the stud bolt; and one face facing to the screw nut, of the scraping piece is provided with at least one protruding edge strip. The scraping piece which can realize synchronous rotation with the stud bolt is added at the other side of a frame opposite to the screw nut, so that the oxide layer or a coating is eliminated at a contact position of the frame, thus earth wires electrically contact with a metal frame preferably by the scraping pieces, thereby obtaining lower contact resistance and simplifying operations of installing the earth wires.

The invention discloses an optical fiber sensing technology-based operating rod, which comprises an operating rod main body, a base, a rotating shaft, a spring A and a spring base, wherein the spring A is sleeved on the operating rod main body, the spring base is arranged below the spring A, the base is arranged below the spring base, the rotating shaft is arranged on the base, the rotating shaft is provided with an opening which passes through the rotating shaft vertically, the operating rod main body can extend out from the opening of the rotating shaft, an extent end of the operating rod main body is provided with a movable plate, a shell is arranged below the base, the movable plate is arranged inside the shell, a fixed plate is fixed on the inner wall of the shell, and a curved bracket is arranged between the fixed plate and the movable plate; a plurality of first A-side deformation teeth and a plurality of first B-side deformation teeth are distributed on the curved bracket, and a curved passage for a first signal optical fiber to pass through is formed between the head parts of every adjacent first A-side deformation tooth and the first B-side deformation tooth; and the first signal optical fiber is connected with a test unit, and the test unit is connected with a processing unit. The optical fiber sensing technology-based operating rod has a simple structure and reasonable design, is convenient to process and produce and has low cost.

The invention provides an imitation marble brick prepared by the construction waste. The brick comprises a three-layer structure, which is successively a superficial layer, a surface layer material and a bottom layer material. The superficial layer is obtained by polishing after the surface layer material is coated with a curing agent; the surface layer material comprises high-quality recycled coarse aggregate; and the bottom layer material comprises general-quality recycled coarse aggregate and general-quality recycled fine aggregate. Meanwhile, the invention provides a manufacture method ofthe imitation marble brick. The recycled material produced by the construction waste accounts for more than 80% of the total materials. The flexural strength of the prepared imitation marble brick is4-6.5 MPa, and the surface marble pattern is durable in use.

The invention discloses a tensile clamping and quick assembling and disassembling multipurpose clamp, and relates to the technical field of clamp machinery engineering. The tensile clamping and quick assembling and disassembling multipurpose clamp consists of five parts, namely an upper outer sleeve, water storage bins, wedge-shaped clamps, a blade and a lower outer sleeve, wherein the wedge-shaped clamps and tower-shaped springs which are assembled are arranged in the water storage bins of the upper and lower outer sleeves; spring cover plates are covered, and cover plate screws are tightened; tower-shaped sponge is placed in a water dropping hole; the lower outer sleeve is fixed in a square hole of a lower fixture body outer sleeve through two fixing bolts; two ends of the blade are respectively inserted into openings of the wedge-shaped clamps of the upper and lower outer sleeves; clamp chucks are fastened to blade clamping holes; under the action of the tower-shaped springs, the wedge-shaped clamps are set to clamp the blade, and mandril bolts are tightened, so as to fulfill the aim of tensioning and clamping the blade under the mutual action of the wedge-shaped clamps and the wedge-shaped surfaces in the upper and lower outer sleeves, and realize the tensile clamping function; during removal of the blade, the mandril bolts are screwed to the highest points, the upper outer sleeve and the blade are pressed at the same time, and the wedge-shaped clamps compress the tower-shaped springs to reach cover plate locating strips; the blade is rotated to enable the clamp chucks and the blade clamping holes to be separated, and the blade can be pulled out, thus fulfilling the aim of quick assembling and disassembling.

The invention provides an automatic electrical equipment protection screen and cabinet ventilating device. A cabinet door for automatically opening the ventilating device is formed in a protection screen of the automatic electrical equipment protection screen and cabinet ventilating device. The electronic control openable and closable shutter type design is adopted for the cabinet door. When the temperature and humidity in a screen cabinet reach the preset values through the temperature and humidity control, a shutter is started to be opened, a ventilating motor is started, and ventilating and cooling are conducted on a protection device; when the temperature and humidity in the screen cabinet are decreased below the preset values, the ventilating motor is automatically stopped, and the shutter is then automatically closed. The effects of dust prevention, attractiveness and energy conservation are achieved.

The invention discloses a connection method and structure for an inner battery box and an outer battery box. In the invention, the inner battery box (1) is connected with the outer battery box (2) in a drawer manner; an elastic limited seat generates pre-pressure to the inner battery box (1) between the front end of the inner battery box (1) and the outer battery box (2); and a bolt (4) on the inner battery box (1) is connected with a keyhole (5) in the outer battery box (2) in an inserting manner, so as to ensure no displacement of the relative positions of the inner battery box (1) and the outer battery box (2). The connection method and structure can improve the connection reliability between the inner battery box and the outer battery box, and avoid sudden breakaway and electric discharge to result in connector burning to affect the normal operation of a vehicle due to relative movement and friction between the inner battery box and the outer battery box.

The invention discloses a door window, in particular to a vertical hinged door window. The door window comprises a door window frame, a door window sash and a sealing structure; the sealing structure comprises fixing members, elastic members and a sealing member; the door window frame is provided with the fixing members; the door window sash is provided with the elastic members; the sealing member is connected below the elastic members and is arranged at the bottom of the door window sash. The fixing member is provided with a slope; each elastic member comprises a shell and a spring; the sealing member comprises a sealing frame, an adhesive tape and convex parts; each convex part is provided with at least one slope adaptive to the fixing member and a guide rail for positioning with the door window sash. The convex parts are connected with the springs, so the sealing frame can move up and down when the convex parts and the fixing members move relatively. The door window has the advantages of long service life, good sealing effect, capability of ensuring smooth door opening, capability of realizing the single regulation on left and right heights and the like and achieves the effects of proofing water, dampness, dust and insects, muting and the like.

The invention relates to the technical field of photovoltaic box type transformers, in particular to a photovoltaic box type transformer with a dust preventing function. The photovoltaic box type transformer comprises box type transformer box and is characterized in that a radiating device is fixedly connected to the top of the inner cavity of the box type transformer box, a fixing device is fixedly connected to the lateral side of the radiating device, an exhaust pipe is fixedly connected to the bottom of the lateral side of the box type transformer box, a threaded pipe is connected to one end, located in the inner cavity of the box type transformer box, of the exhaust pipe in a threaded manner, a first filter screen sleeves one end of the threaded pipe, a rainproof frame is fixedly connected to the lateral side of the box type transformer box, a clamp plate is clamped to the bottom of the rainproof frame, and a second filter screen is fixedly connected into the clamp plate. The photovoltaic box type transformer with the dust preventing function has the advantages that rain can be conveniently prevented from entering the box type transformer box by the rainproof frame; external dust can be prevented from entering the box type transformer box through the first filter screen and the second filter screen.

The invention relates to a novel electric vehicle controller structure which comprises a shell. A circuit board is arranged in the shell, a rear end cover is fixedly connected with one end of the shell, a front end cover is fixedly connected with the other end of the shell, and one end of a pin insertion base is connected with the front end cover in an inserted mode and fixed through a fastening plate. An open hole is further formed in the shell, and a wiring unit is arranged on the open hole and connected with the circuit board in the shell. The novel electric vehicle controller structure is simple in structure and convenient to install; the waterproof sealing performance of a controller is improved through the fact that a sealing ring is embedded in the front end cover in a connected mode, and the stability of the pin insertion base on the front end cover is guaranteed through the installation of the fastening plate; meanwhile, the circuit board in the shell is connected with a wiring column in a wound mode, convenience is brought to testing and maintaining, and the structure mode that function wires of the circuit board are originally and directly led out is further avoided.

The invention relates to a display with a sun-shading protective cover. The display comprises a flat panel display, two sliding blocks, two rotating arms and a protective cover, wherein, slide rails are respectively arranged on two corresponding sides on the flat panel display and adjacent to the screen, the sliding blocks are installed and positioned in the slide rails and slide along the directions of the slide rails, one end of each rotating arm is respectively pivoted on each sliding block, and the other end of each rotating arm is held between the two corresponding side edges of the protective cover, so that the protective cover can be overturned on the flat panel display by taking the pivoted position between each rotating arm and each sliding block as the central axle, and is moved on the flat panel display according to the traces of all the slide rails; when being overturned to the upper part of the screen of the flat panel display, the protective cover is taken as a sun-shading board to realize the functions of shading the strong light and preventing the screen form reflecting; and when being overturned in front of the screen of the flat panel display, the protective cover is taken as a protective cover for protecting the screen to achieve the effects of dust prevention and scratch prevention.

The invention relates to a car garment cloth containing poly ethylene (PE) and oxford fabric (polyester taffeta); the surface layer of the car garment cloth is made of the PE; a layer arranged under the PE is made of the oxford fabric or polyester taffeta; and the PE is stuck with the oxford fabric or polyester taffeta in a compounding way without a medium. A car garment made from the car garment cloth has the functions of the common car garment, is strong in firmness so as to be not easily torn, and also has a waterproof function.

The invention relates to an intelligent anti-theft well lid. The intelligent anti-theft well lid comprises a well lid bottom seat, a well lid and a downhole sensor, wherein the well lid is installed in the well lid bottom seat, a positioning device is arranged on a connection position of the well lid and the well lid bottom seat, an observation window is arranged in the well lid, a mounting frameis arranged on the observation window, the positioning device comprises a positioning groove formed in the periphery of the well lid bottom seat, a fixing device is arrange at the bottom of the well lid, a rotation mechanism is arranged in the fixing device, the rotation mechanism is movably connected in the positioning groove, an abnormal movement reminder device is arranged at the bottom of thefixing device, the abnormal movement reminder device is connected with the downhole sensor, the downhole sensor is connected with the mounting frame, and a transmitting antenna is arranged on the downhole sensor. The intelligent anti-theft well lid can be obtained by performing integrated anti-theft refit on a traditional well lid, and simultaneously by installing a wireless signal transmission device, the intelligent anti-theft well lid enhances signal intensity so as to guarantee signal transmission of heating equipment.

The invention is applicable to the technical field of mobile phone component processing, and provides a processing method of an earphone dust-proof cover. The processing method comprises the following steps that S1, a stainless steel sheet is obtained, and the thickness of the stainless steel sheet is identified; S2, the stainless steel sheet is subjected to stamping forming to form the earphone dust-proof cover, wherein the earphone dust-proof cover comprises a dust-proof bottom and an earphone dust-proof main body which is integrally formed with the dust-proof bottom, the surface of the dust-proof bottom is a surface of the stainless steel sheet, the surface of the earphone dust-proof main body is the other surface of the stainless steel sheet, and the distance between the two surfaces is the thickness of the stainless steel sheet; S3, processing points are marked on the surface of the dust-proof bottom according to the thickness of the stainless steel sheet; S4, the laser processing mode is selected according to the thickness of the stainless steel sheet, so that laser focus are in contact with the processing points; and S5, a pre-written micro-hole processing program is loaded and executed, and micro holes are formed in the dust-proof bottom and the earphone dust-proof main body. According to the processing method, procedures such as weaving, pasting or welding of a dust-proof net can be omitted, the product yield is improved, and the products are integrally formed.

The invention discloses a dustproof bird-prevention wire-protection device for an inlet hole and an outlet hole. The device provided by the invention comprises an annular plugging device and an annular seal device, wherein the annular plugging device comprises two semi-circle plugging pipes, and the two semi-circle plugging pipes are in movable connection; and a filler is arranged in the annular seal device, the annular plugging device of a matched model is manufactured according to the sizes of the inlet hole and the outlet hole, and the inner wall of the annular plugging device is provided with the annular seal device. when the device is in use, the annular plugging device and the annular seal device are sleeved on the inlet hole and the outlet hole, the annular plugging device comprises two semi-circle plugging pipes, therefore the device can be arranged on the inlet hole and the outlet hole conveniently; when the annular plugging device and the annular seal device are fixed on the inlet hole an the outlet hole, a small hole is pricked on the annular seal device, and since the annular seal device is in vacuum packing, the annular seal device is aerated and expands to seal the inlet and the outlet after the hole is pricked, thereby achieving dustproof, bird-prevention and wire-protection effects.