167results about How to "Chen Benlow" patented technology

The invention relates to the technical fields of foreign body invasion monitoring and laser scanning, in particular to a runway pavement monitoring device and method based on point cloud detection. According to the technical problem to be solved that a foreign body invades an airfield runway, so that taking off and landing of a flight are threatened, the three-dimensional laser scanning technique is mainly applied in combination with a video/image recognition device, the runway pavement monitoring device arranged outside the runway in an erected mode and the method are designed for monitoring the invading foreign body appearing on the airfield runway. Meanwhile, the device and the method can also be used for accurately measuring and timely feeding back the pavement flatness of the runway. The runway pavement monitoring device based on the point cloud detection comprises the structural design among at least one laser scanning device, at least one video camera, a processor and the like. The runway pavement monitoring device and method based on the point cloud detection are applied to the field of airfield runway plane invading body monitoring.

The invention relates to a method and system for electronic signature and a mobile communication terminal used for electronic signature. The method includes the following steps: an electronic signature platform generates a two-dimensional code of a document to be signed based on a first electronic signature request sent by a user, and sends the two-dimensional code to a mobile communication terminal of the user; the mobile communication terminal scans the two-dimensional code and displays two-dimensional code information to the user, and requests the electronic signature platform for abstract values of the document to be signed based on a second electronic signature request of the user; the electronic signature platform generates abstract values and returns to the mobile communication terminal; the mobile communication terminal uses a user certificate stored therein to perform digital signature on the abstract values, and sends the digitally signed abstract values to the electronic signature platform to request for a document with a generated signature; and the electronic signature platform embedded the digitally signed abstract values into the document to be signed, and returns the document with the generated signature to the user. The electronic signature method provided by the invention is relatively safe, simple and rapid, and is low in cost.

The invention discloses an eco-brick manufacturing system and an eco-brick manufacturing method, belongs to the technical field of building materials manufacture. The invention aims at solving a problem that the production cost of the eco-brick is high. The eco-brick manufacturing system provided by the invention is mainly characterized by comprising: a rack arranged on a mobile vehicle; a crushing device arranged on the rack and configured to pulverize construction waste; a screening device arranged at a discharging port of the crushing device; a magnetic absorption filter member arranged onthe rack and close to the discharging port of the screening device; a batching device arranged at a discharging end of the magnetic absorption filter member; and a forming device arranged at a discharging end of the batching device and configured to extrude the brick-manufacturing raw materials prepared in the batching device into the eco-brick. Therefore, the purposes of recycling the construction waste and reducing the production cost of the eco-brick can be achieved.

This invention relates to a real-time automatic switching device and method applied to route failure, and is used for switching to a backup router when a router of a main link is interrupted. The device comprises a client, a switching router, a router network and an internet, which are connected in sequence; the router network comprises a main link and a plurality of backup links, which are in parallel connection with each other; the main link is provided with a main link gateway router; and each backup link is provided with a backup link gateway router. Compared with the prior art, the device is advantaged in switching routers automatically, low cost, strong performance, and so on.

The invention relates to an aquatic traction training system. The aquatic traction training system comprises a main rack and an auxiliary rack. A first bracket is arranged on the upper portion of the main rack and provided with a motor, the motor is fixedly connected with a driving belt wheel fixedly connected with a conveying rope, and a positioning device is arranged in front of the driving belt wheel. A second bracket is arranged on the upper portion of the auxiliary rack and provided with a wheel stand, and a driven belt wheel is in rotating connection with the interior of the wheel stand and is fixedly connected with the conveying rope; the conveying rope is fixedly connected with a traction rope fixedly connected with a restraint belt or a restraint vest. The aquatic traction training system has the advantages that reverse traction force is increased for a sportsperson through the traction rope, so that the resistance to the sportsperson is increased in the limited time; meanwhile, the magnitude and direction of the traction force are adjusted by adjusting the rotation speed and direction of the motor. Accordingly, the aquatic traction training system is applicable to various training sports of long-distance endurance training, intermittency training, sprint training, paddling action training and the like.

The invention provides a method for preparing an aluminum-rich intermetallic compound reinforced aluminum-based composite material, and belongs to technical field of aluminum-based composite material preparation and metal smelting technology. The technical problem to be solved is to provide a method for preparing the aluminum-rich intermetallic compound reinforced aluminum-based composite material by use of a direct addition method. In the method, ball milled composite metal powder is directly added or converted into intermetallic compound granules and is added into an aluminum alloy fused mass to obtain the aluminum-based composite material with good interface and excellent mechanical properties.

The invention belongs to the technical field of sludge treatment, and discloses a method for treatment and comprehensive utilization of sludge based on low-pressure catalytic thermal hydrolysis and an application of the method. The method comprises the following steps of: injecting a catalyst and sludge with the water ratio of 75-90% into a reaction kettle, then injecting saturated steam with the pressure of 1.0-1.59MPa into the reaction kettle, stopping injecting the saturated steam when the temperature of the sludge reaches 60-80 DEG C, and maintaining the situation for 2 to 25 minutes, thus obtaining slurry after reaction; and performing anaerobic digestion reaction on the slurry to prepare a marsh gas. According to the method, the thermal hydrolysis time can be greatly shortened and the treatment efficiency can be improved by adding the catalyst, so that the energy consumption, the running cost, the equipment investment cost and the maintenance cost are reduced. The marsh gas prepared by the method can be used as a fuel for a steam boiler in a system or can be sold, and the purchased energy sources required by sludge treatment are reduced when the marsh gas is used as the fuel for the steam boiler in the system, so that the treatment cost is reduced, and the thorough harmlessness and recycling of the sludge are realized.

The invention discloses an automobile antiskid device. The antiskid device comprises anti-skid plates, a transmission mechanism and a driving device, wherein the anti-skid plates are symmetrically arranged. One end of each antiskid plate is connected with an automobile chassis/an automobile cross beam in a rotatable mode through a hinge pin. The other end of each antiskid plate is connected with the driving device through the transmission mechanism. Teeth are fixed to the bottom surface of each antiskid plate. The automobile antiskid device has the advantages that it is guaranteed that an automobile safely runs on a wet slippery road or an icy and snowy road, and meanwhile, under the condition that an existing brake system of the running automobile breaks down and is ineffective or the running automobile breaks down due to misuse, the emergency braking function can be achieved; the structure is simple, and an existing automobile structure is not changed; during operation, extra friction force is generated between the antiskid plates and the ground, the automobile braking effect is improved, and therefore the purpose that the automobile freewheeling distance is shortened during an emergency brake is achieved; besides, rapid parking can be achieved, sideslip and turning over of the automobile are prevented, a jolt is avoided during a brake, the automobile passengers do not feel uncomfortable, and the practicability is high.

The invention discloses a medical lifting and overturning bed. The medical lifting and overturning bed comprises a bed body frame. The bed body frame is fixedly provided with a bearing board through bolts. The center part of the bearing board is provided with a through hole. The through hole is internally in the interference fit with a threaded bush. The threaded bush is internally in the threadedconnection with a spindle. The lower end of the spindle is sheathed with a driven bevel gear. The lower end of the bed body is provided with an upper rack. The bearing board is provided with a lowerrack matched with the upper rack. The shaft bracket is equipped with a needle bearing. A rotation shaft is penetratingly mounted in the needle bearing. One end, adjacent to the driven bevel gear, of the rotation shaft is fixedly provided with a driving bevel gear, and the other end of the rotation shaft is fixedly provided with a first transmission arm and is stretched out of the bed body frame. The bottom of the bed body frame is equipped with a bottom board. One end, away from the first transmission arm, of the bed body frame is provided with a second transmission arm. The other end of the second transmission arm is connected with a cam. The upper end of the cam bears against one end of a moving shaft. The connection part of the bearing board and the bed body is provided with a second bearing. By adoption of the technical scheme, high flexibility is realized.

The invention discloses a staged extraction technology for capsaicin. Naturally dried capsicum annuum is ground through a family-use grinder to form powder with the granularity about 100 micrometers, the powder is added with 96% ethanol, stirred, heated and extracted for 1-4 hours in a water bath of 40-80DEG C, extracting solution is obtained after the filtration, is evaporated and concentrated under the conditions of 40-80 DEG C and vacuum degree of 0.001-0.1 megapascals, is dissolved through 96% ethanol again, and is added with sodium hydroxide solution with the concentration of 1mol/L to alkalify until the pH value is between 8-16, n-hexane is used as a solvent to extract under the condition that the volume ratio is 1:1, the aqueous phase of the lower layer is separated out, hydrochloric acid is used to regulate the pH of the aqueous phase to be smaller than 11, and butyl acetate is used to extract when the volume ratio is 1:5, so that the extraction rate can reach 85%.

The invention belongs to the field of rubber materials, and particularly relates to a vulcanizing agent containing selenium and a preparing method and application thereof.After sulfur is mixed with selenium powder, the catalyst strong base solution is added, then reaction with gas-state olefin lasts for 180-360 min at 245-250 DEG C, and then the vulcanizing agent containing selenium is obtained.The vulcanizing agent containing selenium is prepared by replacing the sulfur elementary substance with sulfur homdogy matter, the preparing method is easy to operate and low in cost, and industrial production can be achieved easily.The vulcanizing agent containing selenium is not softened easily at high temperature, heat stability is high, and chemical stability is high.

The invention provides a multifunctional clothes hanging rack, relates to an article of daily use, and specifically provides a clothes hanging rack being able to air clothes and shoes at the same time. The multifunctional clothes hanging rack consists of a clothes hanger, a bracket and a base, wherein the bracket is installed on the base, the clothes hanger is installed on the top portion of the bracket, and a shoe airing shelf is installed in the middle portion of the bracket via connecting rods. The upper portion of the clothes hanger is designed into a cone shape, and the lower portion thereof is provided with a plurality of clothes hanging rods; the clothes hanger is installed on the top of the bracket via a bearing; and the clothes hanger is able to freely rotate on the bracket. The shoe airing shelf consists of an annular frame and shoe shelves; a plurality of shoe shelves are installed on the annular frame; the annular frame is installed on the bracket via connecting rods. The bracket can be a telescopic rod, and an extension adjuster is installed thereon. The multifunctional clothes hanging rack is novel in structure, convenient in machining, low cost, convenient in use, elegant in appearance, and the like, thus the multifunctional clothes hanging rack is a novel multifunctional clothes hanging rack integrated with economical efficiency and practicability.

The invention discloses a wireless networking device and a wireless networking method of the existing equipment, belonging to the technical field of wireless networking of the existing device. A to-be-solved technical problem is how to realize transformation of the existing equipment of in underground coal mine through the wireless communication technology while guaranteeing low transformation cost and less transformation workload, and a technical scheme used is as follows: the wireless networking device structurally comprises a master controller, a wired access unit, a wireless networking unit and an EEPROM memory module, wherein the master controller is respectively connected with the wired access unit, the wireless networking unit and the EEPROM memory module; the wireless networking unit comprises a networking unit and an inspection unit, the networking unit comprises a LoRa wireless module and a WiFi wireless module, the master controller is respectively connected with the LoRa wireless module and the WiFi wireless module through serial ports, and realizes real-time wireless monitoring of a security monitoring system server; and the inspection unit comprises a Bluetooth wireless module and a 2.4G RFID module. The invention also discloses a wireless networking method of the existing equipment based on the wireless networking device.

The invention relates to the technical field of motors, and specifically relates to an ultrahigh stack thickness slot wedge paper forming machine, comprising a base plate, a table-board, and support columns. The machine is characterized by also comprising pre-paper-feeding device, a performing device, a forming device, a paper pushing device, a push rod, a material warehouse, and a paper cutting device. The pre-paper-feeding device is arranged on the side surface of the support column and is connected with the support column. An installing plate is arranged between the base plate and the table-board. The performing device, the paper cutting device, and the forming device are installed on the installing plate. The paper pushing device is arranged on the base plate. The paper pushing device is connected with the push rod. The material warehouse is arranged on the push rod and on the side surface of the forming device. The upper surface of the material warehouse is connected with the table-board. The material warehouse is provided with a forming groove. The shape of the push is matched with the shape of the forming groove. The objective of the invention is to provide the ultrahigh stack thickness slot wedge paper forming machine whose ultrahigh stack thickness slot wedge paper forming effect is good, rack volume is small, machine strength is high, and service life is long.