247results about How to "Convenient and close" patented technology

The invention discloses an aerial cleaning robot and a cleaning method. The aerial cleaning robot is used for cleaning a high-rise wall/glass face and comprises a propelling balance frame and a cleaning mechanism, wherein the cleaning mechanism is arranged on the propelling balance frame and comprises a roller brush, a shaft and a roller brush motor connected with the roller brush through the shaft and controlling rotation of the roller brush, at least one propelling fan is arranged on the propelling balance frame, each propelling fan is provided with a fan motor controlling the propelling fan to rotate, the roller brush motor and the fan motors are variable-frequency motors, a camera, a monitor, a controller and an executor are arranged on the propelling balance frame, the camera and the monitor are respectively and electrically connected with the controller, and the controller comprises a memorizer, a measurer and a comparator. The aerial cleaning robot can perform cleaning according to the size of actual dirt particles on the high-rise wall/glass face.

The invention relates to a rotating negative electrode scale scraping and removing device which comprises negative electrode conductive columns 1, negative electrode plates 2, a rotating shaft 6, positive electrode plates 7 and scrapers 8. The negative electrode conductive columns 1 are closely attached to the negative electrode plates 2. The negative electrode conductive columns 1, the negative electrode plates 2, the scrapers 8 and the positive electrode plates 7 are sequentially connected to the rotating shaft 6 in series. A central limiting and correcting block 3 is arranged between the scrapers 8 and the positive electrode plates 7. The negative electrode plates 2 rotate around the rotating shaft 6. A jackscrew 4 is arranged on one side of each negative electrode conductive column 1. Currents are guided into the negative electrode plates 2 by the negative electrode conductive columns 1. In the rotating process of the negative electrode plates 2, the scrapers 8 are closely attached to and scrap the surfaces of the negative electrode plates 2. The purpose of inputting currents to the rotating negative electrode plates without electric brushes is achieved, electrode intervals are easily decreased to the maximum degree, and the scale scraping and removing effects of the negative electrode plates are improved.

The invention relates to the technical field of medical instruments, in particular to an electromagnetic cardiac pulse assisting device. The electromagnetic cardiac pulse assisting device comprises an inner membrane, an outer membrane supporting body, two permanent magnets, electromagnets, a power source and a controller. The inner membrane covers the surface of the heart, and the outer membrane supporting body covers the outer side of the inner membrane. The two permanent magnets are fixed to the outer side of the inner membrane and correspond to the left ventricle and the right ventricle respectively. The two electromagnets are fixed to the inner side of the outer membrane supporting body and are opposite to the permanent magnets. The power source and the controller are used for supplying power to the electromagnets and adjusting the magnitude and the direction of current, so that the electromagnets can apply repulsive force or attractive force to the permanent magnets, and then the heart is driven to contract or relax. The device has the advantages of being capable of assisting the heart of the human body to beat, high in controllability, capable of improving the heart failure symptom and prolonging the service life of a patient, simple in structure, small and exquisite in size, capable of being implanted only through surgical operation, convenient to replace, low in manufacturing and using cost, long in service life and easy to accept by doctors and patients.

The invention relates to a Hough transform-based track-before-detect method of multidimensional parameters. The method includes the steps of performing initializing to determine a target track initiation, as an initial detection result; allowing cycling for a third detection; according to a last detection result and characteristic parameters extracted via the current detection, performing differencing and comparison of judgment thresholds, and performing judging; according to judging results, tracking a target; performing filtering if certain characteristic parameter of the target is divergent, directly executing Hough transform if the characteristic parameter is not divergent, and performing energy accumulation; according to a target accumulated energy and an accumulative threshold, performing comparing, and performing adaptive updating and judging the threshold; using the target of the accumulative threshold as a final detection result, and starting a next cycle. The method has the advantages that the pre-detected track is avoided being divorced from actuality, false tracks are eliminated, and the ability of radar to detect, track and distinguish multiple moving targets is improved.

The invention discloses steeply inclined coal seam strike advancing false dipping fully-mechanized coal mining. A hydraulic support, a connector, an end support, a coal mining machine, a scraper conveyer, an air way, an upper outlet, a belt transporter tunnel and a lower outlet are included. The scraper conveyer is laid in the false dipping direction. The hydraulic support is laid in the direction of a mining work face. A lag part is provided with a rock blocking device. A telescopic beam of the hydraulic support and the front end of a base are designed to be inclined edges according to false depression angles. The hydraulic support and the scraper conveyer are connected through a flat lug. The coal mining machine is installed on the scraper conveyer in a sliding mode. The end support is distributed on the lower outlet. The hydraulic support is moved from the air way to the belt transporter tunnel. The scraper conveyer is pushed as a whole, and in the moving process of the scraper conveyer, a roller of the coal mining machine is intercepted in a coal wall at the same time. The steeply inclined coal seam strike advancing false dipping fully-mechanized coal mining has the advantages that rib spalling of the coal wall is effectively controlled, a bottom plate slides, the problems about tilting prevention and sliding prevention of a steeply inclined fully-mechanized coal mining device and rock flying prevention of a goaf are well solved, production efficiency is high, safety is good, and labor intensity of workers is greatly lowered.

The invention discloses a logistics transport case capable of being stacked and combined for use. The logistics transport case comprises a logistics case body and a case cover. The logistics case bodyis formed by an upper case body, a lower case body and a connecting layer together. The connecting layer is located between the upper case body and the lower case body. Clamp plates are arranged on the lower surface of the lower case body. A through hole is formed between the clamp plates. A transverse shaft is mounted in the lower case body. The case cover is mounted at the top end of the uppercase body. A lock hole is formed in the upper half segment of the upper case body. According to the logistics transport case capable of being stacked and combined for use, the inner storage space of asingle logistics case can be adjusted, the application range is wider, the case bodies can be stacked and placed more conveniently, and the storage spaces of the upper case body and the lower case body can be stacked through the stacking manner and the improvement of the inner structure; and by means of redesign of the fixed structure of the case cover, the logistics case can be closed more stably and conveniently, and use is more convenient.

The invention discloses a degradable magnesium alloy esophageal stent for infants. The esophageal stent comprises annular single bodies, connecting points and projections, wherein each annular single body is formed in the way that a magnesium alloy metal wire is folded in the shape of W and connected to form a cylindrical shape; the annular single bodies have elasticity; bending parts are formed at the two ends of each annular single body; the annular single bodies are axially connected with one another in series by the connecting points; the bottom of each projection is positioned at each connecting point; the top end of each projection is positioned on the outer side of the esophageal stent; and after the magnesium alloy esophageal stent is expanded and released, the projections can be embedded into the esophageal wall and are used for fixing the stent. The degradable magnesium alloy esophageal stent for infants is formed by connecting a plurality of annular single bodies and the length of the esophageal stent can be determined by the number of the connected annular single bodies, so the requirements of the infants suffering from esophageal stenosis are met; the projections on the outer surface of the stent can be embedded into the inner wall of the esophagus and are used for fixing the stent to prevent the stent from moving or slipping off; and the stent can be degraded and absorbed by a human body and the degradation products have no toxicity, so growth and development of infantile patients are not influenced.

Provided are a clamping device of a substrate, a film formation device, and a substrate mounting device and method, in which a substrate and a mask can be well attached to each other, the substrate can move steadily and position shifting of the substrate can be prevented when the substrate is mounted on the mask. A substrate mounting process is provided, in which the substrate (1) is mounted on the mask (2) when being pressed and pushed by a press tool (8) on a substrate holding body (3). In terms of the substrate mounting process in which the substrate (1) is pressed and pushed on the substrate holding body (3) by the press tool (8), the substrate is pushed and pressed through press force generated in a way that the press tool (8) is abutted against the substrate (1) at least when the substrate (1) begins contacting the mask (2). After the substrate mounting process, the substrate (1) is pushed and pressed on the substrate holding body (3) by the press tool (8) by means of press forcehigher than force that is produced at the beginning of contact.

The invention discloses a contact state and humidity adjustable cable water-blocking buffer layer structure simulation test system and method. The system comprises a bottomless test box body with a ventilation opening in the top surface, and the interior of the bottomless test box body is provided with partitions and is divided into a monitoring area, a test area and a control area; a camera is placed in the monitoring area, an ablation platform is placed in the middle of the test area, humidifiers are placed at four corners in the test area respectively, electric fans are placed among the humidifiers, and a power bank is placed close to the partition; a PLC is placed in the control area, and a data line of the PLC penetrates through the side wall of the box body and is connected to an external computer; and data lines of the humidifiers and the electric fans penetrate through the partitions and are connected to the PLC. According to the system and the method, the structural characteristics of a corrugated aluminum sheath and a water-blocking buffer layer in the high-voltage cable are effectively restored, and the real working state of the water-blocking buffer layer under the actual cable operation condition is better simulated by adjusting the external voltage and current, the electrode position, the pressure and the environment humidity, so that the fundamental reason and the damage mechanism of ablation of the water-blocking buffer layer are favorably explored and analyzed.

The invention discloses a fixed-length welding method of a connection port of a blower shell. The fixed-length welding method comprises the following steps: a, mounting a flat pushing device; b, mounting a sliding device; c, mounting a fixed-length adjustment device; d, adjusting a distance between two clamp plates; e, mounting first material plates; f, welding a second material plate between thefirst material plates; and g, coating protective paint. According to the fixed-length welding method disclosed by the invention, a distance between the inner side surfaces of the two clamp plates canbe adjusted, so that the distance between the inner side surfaces of the two clamp plates is external width of the connecting port of the blower shell, and the size of the connecting port of the blower shell is strictly controlled, and thus, deviation between the size of the connecting port of the blower shell and an opening of the blower shell is reduced; moreover, the arranged positions of the two clamp plates are not changed in a welding process, and the connecting port of each blower shell is not needed to be positioned again; and through mutual cooperation of a positioning device, the clamp plates and a limiting fixation device, positioning of the connecting port of the blower shell is carried out, and therefore, the fixed-length welding method disclosed by the invention has the advantages of high manufacturing efficiency and low manufacturing cost, and is suitable for batch production.

The invention relates to a rolling bearing (1) having at least one outer ring (2) and one multi-part inner ring (3, 4), between which are arranged rolling bodies (5, 6), wherein two adjacent inner rings (3, 4) bear closely against one another with their axial end sides (25, 26) which point toward one another, and in which a sealing ring (12) is arranged in a common annular groove (16) of the inner rings (3, 4), which annular groove (16) is formed by means of indentations (14, 15) in the region of the end sides (25, 26), which point toward one another, of the inner rings (3, 4).; In order to realize a seal arrangement, which can be produced in a cost-effective and material-saving manner and provides a reliable sealing action, on said rolling bearing, the invention provides that the common annular groove (16), as viewed in cross section, has a greater axial length in the region of its base (13) than in the radially outer region.

The invention discloses ore crushing equipment, and relates to the technical field of mining mechanical equipment. The ore crushing equipment comprises a supporting seat, a crushing barrel is fixed to the top of the supporting seat, two crushing rollers are arranged in the crushing barrel, and two connecting shafts penetrate through the centers of the two crushing rollers correspondingly. According to the ore crushing equipment, an auxiliary dust removal mechanism can provide elastic force towards the two sides for ore through the gravity of the crushed ore, the ore collides with an arc-shaped guide plate after being subjected to the elastic force so that dust attached to the surface of the ore can fall off, the dust on the surface of the ore can automatically fall off before the ore leaves the crushing barrel, meanwhile, air flow generated by a fan can generate an air pressure difference in the crushing barrel, so that the dust falling off from the surface of the ore rises under the action of the air pressure difference and the air flow and is filtered down by arc-shaped protection plates, then the dust attached to the surface of the ore is removed before discharging, and the situation that the ore generates large flying dust in the moving process is prevented.

The invention provides an industrial machine tool for machining circular parts and relates to the field of industrial machine tool devices. The industrial machine tool for machining circular parts comprises a shell. A clamping table is embedded in the top of the shell, a machining device is fixedly mounted on the top of the shell and located on the back side of the clamping table, the top of the clamping table is provided with an arc groove, the top of the clamping table is provided with a spherical part, a first groove is formed in the top of the clamping table and located on the periphery ofthe spherical part, and fixing blocks are fixedly mounted on the bottom of the inner wall of the first groove and located on one side of the first groove close to the spherical part. According to theindustrial machine tool for machining circular parts, by the cooperative use of springs and clamping plates, the clamping effect is achieved. Rubber suckers are pushed by electric push rods to be attached to the spherical part, and the air in the rubber suckers are pumped by miniaturized air pumps, so that the clamping effect is improved, and the influence on the machining of the spherical part since the spherical part is loosened during machining is prevented.

The invention relates to a manufacturing and processing method of a self-adhesive polymer waterproof coiled material. The manufacturing and processing method comprises a bottom plate, a placing device, a cleaning device and an applying device, the placing device is mounted at the upper end of the bottom plate, the cleaning device is arranged on the right side of the placing device, the cleaning device is mounted at the upper end of the bottom plate, and the applying device is arranged on the right side of the cleaning device. The problems that when existing equipment is used for manufacturing waterproof coiled materials, the surface of a tire base cannot be cleaned, impurities on the surface of the tire base easily influence preimpregnation, the bonding firmness of a coating material is reduced, the preimpregnated tire base cannot be grooved, the bonding firmness between the coating material and the tire base is reduced, meanwhile, a coating material cannot be pushed to the surface of the tire base in a reciprocating mode, the tire base is prone to being not adhered to the coating material, the waterproof coiled material forming effect is reduced, the two sides of the tire base cannot be cut after coating, and the waterproof coiled materials are prone to being inconsistent in size are solved.

The invention provides layout equipment and a layout method for multiple integrated sensors in a deep part of a landslide, a penetration type monitoring body comprises a sleeve and a sensor penetration shear, the sensor penetration shear is arranged in a scissor shape, and a first blade and a second blade rotate oppositely or oppositely in the vertical direction, so that the sensor penetration shear has an initial position and a monitoring position; when the sensor penetration shear is located at the initial position, the ends of the pressed parts of the first blade and the second blade are arranged at intervals in the vertical direction, when the sensor penetration shear is located at the monitoring position, the pressed parts move oppositely, and the shearing part penetrates out of the mounting hole to shear the sliding body. And a monitoring body arrangement system drives the sensor penetration shears to move from the initial position to the monitoring position. The technical scheme provided by the invention has the beneficial effects that the scissor-shaped sensor penetration shear is mounted on the sleeve, and the shearing part is sheared into a soil body, so that the stress is balanced, and the requirement on the sleeve is low; and the arrangement device adopts a local static force application design, is balanced in static force, is not easy to turn over, has low requirements on a pull rope, and does not generate winding.

The invention discloses a double tension pole arm insulating shielding cover which comprises a left shielding cover body, and the left shielding cover body comprises a left electric pole coating shielding cover, a left pole arm shielding cover and a left baffle, wherein the left pole arm shielding cover and the left baffle are connected with the left electric pole coating shielding cover. The left electric pole coating shielding cover is provided with a first left groove containing an electric pole and a second left groove containing a left pole arm, a left sliding groove is formed in a notch of the second left groove and used for sliding the left baffle, a left insulator string containing opening is formed in one end, far away from the left electric pole coating shielding cover, of the left pole arm shielding cover, and a left baffle fixing device is arranged on an end plate at the end. The double tension pole arm insulating shielding cover can shield double tension pole arms.

The invention discloses a horizontal fixing device used for measuring an automobile thrust line. The horizontal fixing device comprises two fixing clamps which are connected with coaxial tires at two sides of an automobile, and is characterized in that a measuring rod is connected between the two fixing clamps, each fixing clamp comprises a supporting rod, a tire front tread fixing portion, a tire back tread fixing portion and a measuring rod connecting portion, the tire front tread fixing portion is fixedly arranged at the front part of the supporting rod, the tire back tire fixing portion is slidably arranged at the back part of the supporting rod, the measuring rod connecting portion is arranged at the end part, which is close to the tire front tread fixing portion, of the supporting rod, and two ends of the measuring rod are connected with the measuring rod connecting portions on the two fixing clamps respectively. The horizontal fixing device determines the position of a tire according to the tire tread, so that an actual and accurate tire position reference is acquired, the structure is simple, the operation is convenient, requirements for the processing precision of the fixing device itself are low, the determined measurement reference is more accurately close to the actual position of the tire, the measurement accuracy of the automobile thrust line is improved, and accurate adjustment for an automobile thrust angle in a later period is facilitated.

The invention discloses a method for establishing a mouse castrating high-ferrum osteoporotic model. The method comprises the steps that an 8-week-old ICR female mouse is selected and bilateral oophorectomy is conducted on the mouse; one week after the oophorectomy is conducted, FAC is started to be injected in the abdominal cavity and the mouse castrating high-ferrum osteoporotic model is obtained after 7 weeks. Currently, ferric accumulation happens to most clinic postmenopausal women. Recently, many researches show that ferric accumulation is a high risk factor of osteoporosis. However, a traditional castrating osteoporotic model is normal in ferric level and can not completely simulate the postmenopausal women. Compared with a traditional model, the mouse castrating high-ferrum osteoporotic model established through the method is more close to clinic phenomena.

The invention relates to a strong turning tool with an adjustable chip breaking block and a use method thereof. The strong turning tool comprises the chip breaking block, a blade, a tool bar, a pressing piece, a clamping and fixing screw and an adjusting screw. A blade installation groove which is each in a parallelogram shape and an adjusting screw hole are formed in the upper end surface of the end of the tool bar, openings are formed in the front end surface and the upper side surface of the blade installation groove, and the blade is installed in the blade installation groove; the adjusting screw hole communicate with the rear side surface of the blade installation groove, the pressing piece is arranged at the end of the tool bar, and a chip breaking block installation groove is formed in the lower end surface of the end of the pressing piece; the chip breaking block is installed in the chip breaking block installation groove, and the bottom surface of the chip breaking block abuts against the top surface of the blade; and the clamping and fixing screw penetrates through the pressing piece and is connected with the tool bar, and the adjusting screw penetrates through the adjusting screw hole and then abuts against the blade. Compared with the prior art, the strong turning tool with the adjustable chip breaking block and the use method thereof overcome the defect that a chip breaking block of an ordinary tool cannot be adjusted, so that adjusting of the chip breaking block is achieved, and after being sharpened, the blade can also be adjusted; and the tool bar can also be repeatedly used, tool bar materials are saved, and the working time for sharpening and tool bar forging is greatly saved.

The invention discloses an electric power overhaul isolation device for turntable groove wire pipe shearing of a high-voltage line load. The device structurally comprises a rotating holding handle, arotating tube post, a wire clamping lead pin plate, a base casing, a relay groove seat, a shaft disc transfer device and a digital roller groove, wherein the effect of using the wire clamping lead pinplate to be matched with the shaft disc transfer device is achieved; a wire pipe hemispherical cover and a jacking and clamping groove truss are communicated to form an inner path for conduction by hinging a high voltage wire to the wire clamping lead pin plate; at the moment, overhaul personnel work and rotate a gear shaft post to link a laterality jacking and pushing frame to jack and press thejacking and clamping groove truss, so that the effects that one side of the single-side deflection is in a broken circuit state, and the other side is in a conducted state are achieved; the reeling operation of forming an arc groove by an arc groove disc is also used; during the rotation, a hemispherical square sheet cover is jacked and supported by a groove pad to be put onto the disc body to realize sliding moving; copper wire bur is protected by the wire end hemispherical cover; the approaching to the lead pin to realize the butt joint circuit conduction is convenient; the smooth on-off switching operation of an isolation switch is effectively promoted; the inside loss condition due to wire pipe resistance is reduced; the safety of the overhaul personnel is ensured.

The invention provides an air film cooling structure with surface recesses. The cooling structure comprises a recess structure and an air film hole, and the air film hole is smoothly connected with the recess structure; airflow spreads to the recess structure through the air film hole to form an air film, and the air film spreads to the surface of a turbine blade; the recess structure comprises a first recess and a second recess, the second recess is arranged on the inner wall surface of the first recess, and the air film hole is formed in the inner wall of the second recess; an air film hole opening of the air film hole is provided with a rounding structure or a beveling structure; and/or the edge of the rear part of the first recess is provided with a rounding structure or a beveling structure. The invention further provides the turbine blade. Air film cooling structures arranged in an array manner are arranged on the wall face of the turbine blade. The recesses restrain reverse vortex pairs formed by air film flowing on the downstream wall surface; and the air film hole and the double-recess structure enable airflow flowing out of the air film hole to be tightly attached to the wall face. Compared with a conventional inclined hole, the air film cooling structure has the advantages that the air film cooling efficiency and the machining efficiency are higher, and the machining cost is lower.