49results about How to "Reasonable usage" patented technology

The invention provides an agricultural equipment operating controlling method and system. The method includes the following steps that 1, position information, operating state information and operation process information of agricultural equipment are collected and transmitted to a cloud end management station; 2, the collected information is compared with stored preset values and attribute values of the agricultural equipment, and if any instruction information is inconsistent, a corresponding limiting action or a limit removing action is executed. The system comprises a feedback device, a communication device, a management device, the cloud end management station and a control terminal, wherein the communication device and the feedback device are connected with the management device, the management device is connected with the agricultural equipment, and the communication device is connected with the cloud end management station and the control terminal through a wireless communication network. The agricultural equipment operating controlling system has the advantages of being reasonable and reliable in design, capable of achieving remote monitoring and management and information reminding and the like, is beneficial for normalizing reasonable use of the agricultural equipment and particularly suitable for meeting the requirements for spraying pesticides, applying fertilizer and seeding of building an accurate agricultural system.

The invention relates to an expansion adhesive fastening nail and a use method thereof, wherein the expansion adhesive fastening nail consists of a big-end tube expansion nail, an expansion sleeve, a hanging piece head and adhesive; the big-end tube expansion nail (1) is matched with the expansion sleeve (9) and is fixed with a wall body; an expansion plate (12) expands to exceed the nail head of the big-end tube expansion nail (1) and splits into the shape of petals; the nail head of the big-end tube expansion nail (1) is clamped at a petaloid bottom to increase pulling resistant and shear resistant; therefore, the nail is particularly suitable to install various equipment and veneers on floppier wall bodies such as an autoclaved aerated concrete wall body, thereby ensuring the longtime safety and steadiness of a project; moreover, the member saves raw material and reduces cost along with a reasonable and convenient use method. Obviously, the nail and the method have high use value and enormous social benefits and economic benefits.

The invention discloses a steel / wood combined truss connection structure. The steel / wood combined truss connection structure comprises two upper chord members, a first vertical web member, second vertical web members, diagonal web members, first lower chord members, second lower chord members, and a connecting piece; the connecting piece comprises a supporting block, installation blocks, first connecting blocks, second connecting blocks, third connecting blocks, fourth connecting blocks, fifth connecting blocks, sixth connecting blocks, seventh connecting blocks, eighth connecting blocks, first fixing blocks, second fixing blocks, bolts, and rotating members; the supporting block is of a pentagonal prism structure; the two first connecting blocks are symmetrically fixedly arranged on thetwo sides of the lower [art of the supporting block. According to the steel / wood combined truss connection structure, the upper chord members, the first vertical web member, the second vertical web members, the diagonal web members, the first lower chord members, and the second lower chord members are be fixed, a conventional notch and tooth joint manner is avoided, welding connection is avoided,the connection precision among the members is higher, the structure is more compact, no welding joint or welding rust is generated, and the appearance is beautiful.

The present invention discloses chemical synthesis of free megestrol. The initial material 17alpha-hydroxyprogesterone is first methenylated to form methenylated substance, the methenylated substance is then mixed with Pd / C catalyst, dimethylformamide and cyclohexene and reacted at 50-70 deg.c for 1-3 hr, and the product is post-treated to obtain free megestrol. The improved synthesis process of the present invention has complete methylation, less side product, high product purity, high quality stability, high yield and low production cost, and may be used in industrial production.

The invention discloses a campus hazardous chemical substance whole process management system and method. The system comprises a management platform; a vehicle identity recognition device, a vehicle trajectory tracking device, a hazardous chemical substance trajectory tracking device, a handheld hazardous chemical substance information input device, a laboratory intelligent storage cabinet and anelectronic scale which are in communication connection with the management platform. The management platform is used for storing names, types, surplus, service life, out-of-cabinet and in-cabinet information, student borrowing and returning information, dangerous chemical transportation information and departure information of a dangerous chemical company, receiving data sent by each device or equipment and sending the data. On the one hand, strict control over the hazardous chemical substance transport vehicle after entering the school is achieved, campus safety is ensured, and accident traceability is facilitated; on the other hand, the management of the hazardous chemical substances is well known, taking and returning of the hazardous chemical substances by students are standardized, illegal use and excessive use of the hazardous chemical substances are avoided, the safety of the hazardous chemical substance transport vehicle is improved, and potential safety hazards caused by illegal use of hazardous chemical substances are reduced.

The invention discloses a combined type drill applicable to a high-spray stirring cement pile. The combined type drill comprises a hollow cylindrical drill body which is internally provided with a gas path and a slurry path, two first stirring blades and two second stirring blades are distributed oppositely on the outer wall of the drill body; the position, below the second stirring blades, of the lower portion of outer wall of the drill body, is provided with a second nozzle; the lower surface of a drill tip is provided with a third vent hole and a third nozzle; the ends, far away from the drill body, of the first stirring blades, are provided with two fixed plates, a slurry hosepipe and a gas path hosepipe, a nozzle veering seat is arranged between the two fixed plates, locating bolt holes and rolling bearing mounting holes are formed in the two fixed plates, the nozzle veering seat is in a flat cylindrical shape, mounting holes are formed in the center of the two end faces of the nozzle veering seat, a protrusion, a slurry hole and a gas hole are formed in the hook face of the nozzle veering seat, rotation shafts are fixedly arranged in the mounting holes, two ends of the rotation shafts are inserted into a rolling bearing and are tightly coordinated with the inner holes of the rolling bearing so as to achieve the pivot of the nozzle veering seat.

The invention discloses a hydrogen peroxide sterilization verification method. The hydrogen peroxide sterilization verification method comprises the following steps: acquiring an airflow stream pattern blind spot and / or a temperature uniformity blind spot in a to-be-tested object; CI blind spot testing: starting hydrogen peroxide sterilization on the to-be-tested object, and acquiring a CI blind spot, wherein CI is a chemical indicator; BI blind spot test: arranging BI at the positions of the CI blind spot and the airflow stream pattern blind spot and / or the temperature uniformity blind spot which are obtained in the steps in the to-be-tested object, wherein the BI is a biological indicator; after setting a set of hydrogen peroxide sterilization parameters, starting hydrogen peroxide sterilization, after sterilization is completed, judging whether fatality rate of BI reaches a set threshold value or not, and if the fatality rate of BI reaches the set threshold value, then completing sterilization verification of the set of hydrogen peroxide sterilization parameters; and if the fatality rate of BI does not reach the set threshold value, correcting the hydrogen peroxide sterilizationparameter, and restarting hydrogen peroxide sterilization until the set threshold value is reached. The hydrogen peroxide sterilization verification method has the advantages of simplicity in principle, simplicity and convenience in operation, capability of achieving the optimal hydrogen peroxide sterilization effects and the like.

The invention discloses a toothpaste box which is used for extruding toothpaste from a toothpaste shell. The toothpaste box comprises a shell, a support is installed in an inner cavity arranged in theshell, a sliding base is installed on a guide rail arranged on the support, a pressing roller is installed on the sliding base, one end of a roller shaft stretches out of a communication port formedin the side wall on one side and provided with a rotary knob, the front end of the support is hinged to the inner wall of the front end of the shell, a compressed spring is installed between the rearend of the support and the inner wall of the shell and used for compressing the rear end of the support, and the side wall of the front end of the shell is provided with an installation opening through which a port of the toothpaste shell stretches out. The toothpaste shell below the toothpaste box is extruded downwards and pushed forwards through the pressing roller which can roll forwards, therefore, toothpaste in the toothpaste shell is extruded from an outlet in the front end, the toothpaste shell is supported by the bottom face of an inner cavity of the shell and directly pushed downwardsthrough the pressing roller, the pressing roller can move downwards along with swing of the support to reduce the distance between the pressing roller and the bottom face of the inner cavity, therefore, the toothpaste box is applicable to toothpaste shells with different thicknesses and can extrude various toothpaste shells sufficiently, the residual amount of toothpaste is reduced, and toothpaste waste is reduced.

The invention discloses a scanning nozzle cleaning tank and a scanning nozzle cleaning method. The scanning nozzle cleaning tank comprises a tank body and an upper cover plate, wherein the tank body and the upper cover plate are sealed by a corrosion-resistant sealing ring; the tank body is provided with at least four reagent storage tanks; the upper cover plate is correspondingly provided with nozzle inlets and outlets of the same number as the reagent storage tanks; each reagent storage tank is provided with a liquid inlet, an overflow port and a liquid level sensor; the bottom of each reagent storage tank is provided with a liquid discharge port; and each liquid level sensor is used for detecting whether the liquid level of a reagent in the corresponding reagent storage tank is in an empty state or a full state. The tank body layout is more reasonable, the structure is more compact, the use cost is lower, pollution can be effectively reduced, and a reasonable use method is providedto improve productivity.

The invention discloses a circuit board with an interlocking function. The circuit board comprises a PCB main board and an encryption board integrated on the PCB main body. A signal input module, a signal output module and a switch module are arranged on the PCB main body. A panel communication transmission module, a CPLD control chip, an MAC storage chip, a CNC signal transmission module, a voltage amplifying module and a circuit assisting protection module are arranged on the encryption board. The panel communication transmission module is connected with an external operation panel. The CNC signal transmission module is connected with a CNC controller. The external operation panel judges whether an operation panel is matched with the encryption board through the panel communication transmission module after calculation through the CPLD control chip. The external CNC controller is output through a signal output module through the voltage amplifying module after calculation of the CPLD control chip through the CNC signal transmission module. According to the invention, the interlocking function between the operation panel and a machine tool signal circuit board is achieved; proper usage of the device is normalized; rights and interests of producers are ensured; and safety of the device is further improved.

The invention discloses an intercom device with reasonable design. The device comprises: a casing, a main body of the intercom, and an antenna. An antenna hole is arranged on the casing. A hose and a fixing ball are fixed in the antenna hole. The antenna The lower end is connected with a connector, the connector is connected to the main body of the walkie-talkie through a wire, the connector is located in the hose, the front of the housing is provided with a front cover, and the front cover includes: a sliding cover layer connected in sequence from top to bottom , an intermediate layer, and a protective layer, the intermediate layer is provided with N button holes, the back of the housing is provided with a fixing hole and a fixing structure, and the fixing structure includes: a spring column, a fixing plate, a ring, and a connecting column to realize The design of the device is reasonable, the buttons are not easy to be damaged, the body is waterproof, the antenna can be pulled out and retracted flexibly, the use method is rich, and the technical effect is convenient for users.

The invention discloses a hydraulic engine powered winch. The hydraulic engine powered winch comprises a gasoline engine, a hydraulic variable pump and a roller; a gasoline tank is arranged behind thegasoline engine, a coupler is arranged on the gasoline engine, an electric bottle is arranged on one side of the coupler, and the hydraulic variable pump is arranged on the coupler; and a radiator isarranged on one side of the gasoline engine, a hydraulic oil tank is arranged behind the radiator, a filter is arranged on the hydraulic oil tank, an overflow valve is arranged in front of the radiator, a ball valve is arranged on one side of the overflow valve, a hydraulic handle is arranged on one side of the ball valve, and an electric contact hydraulic pressure gauge is arranged above the hydraulic handle. The method has the beneficial effects that stepless variable speed can be realized, the requirements of a user for different speeds can be met, meanwhile, the load size can be displayed, so that a user can make a reasonable use method for judging the size of the load; and moreover, load size setting and load protection safety measures are provided, and therefore the convenience of using of the engine powered winch is improved.

A drowning-proof swimming collar includes a swimming collar body, wherein the swimming collar body is provided with a drowning prevention mechanism; the drowning prevention mechanism comprises a firstpipe body and a second pipe body penetrated on both sides of the first pipe body; a calcium carbide powder placing unit is arranged in the middle of the first pipe body; the two sides of the calciumcarbide powder placing unit are provided with a fence, and an elastic ball assembled with an acid agent is arranged on one side of the fence near the second pipe body; at one end of the second pipe body close to the first pipe body, a fence frame is arranged; the fence frame is provided with a sharp spine; and at the other end of the second pipe body, a dragging belt is arranged. The drowning-proof swimming collar has a reasonable structure, uses calcium carbide and an acid agent as triggering substances to generate acetylene gas and salt, and expands in the body of the swimming collar to forma lifebuoy, so as to achieve the effect of preventing drowning. As the product is salt, the risk that the product will corrode the skin once the product is leak when the product is alkali can be avoided.

The invention discloses an intercom device. The device comprises: a casing, a main body of the intercom, and an antenna. The casing is provided with an antenna hole, and a hose and a fixed ball are fixed in the antenna hole. The lower end of the antenna is connected with a Connector, the connector is connected to the main body of the walkie-talkie through wires, the connector is located in the hose, the front of the shell is provided with a front cover, and the front cover includes sequentially connected from top to bottom: a sliding cover layer, an intermediate layer , a protective layer, the middle layer is provided with N button holes, and the back of the housing is provided with a fixing hole and a fixing structure, and the fixing structure includes: a spring column, a fixing plate, a ring, and a connecting column, realizing the equipment design It is reasonable, the keys are not easy to be damaged, the waterproof effect of the body is good, the antenna can be pulled out and retracted flexibly, the use method is rich, and the technical effect is convenient for users to use.

The invention discloses a combination device of a mobile power plug and a socket, which is characterized in that it comprises a mobile power plug and an insulating shell, wherein the socket is connected to a socket fixing part; the socket fixing part is connected to the equipment housing, The socket is connected to the equipment circuit board through flexible wires; the DC output end of the power supply housing has an anti-reverse insertion gap, and the locking hole at the insertion end matches the fixing hole of the socket fixture. The invention has the advantages of good environmental protection effect, considerable economic benefit, practicality and high efficiency, improved production, reasonable design, simple structure, ingenious conception and convenient use.

Embodiments of the invention disclose a blockchain-based token extraction method and apparatus, an electronic device and a storage medium. The method comprises the steps of receiving a token extraction request of a first node, wherein the first node is any node in a block chain network, and the token extraction request at least comprises a project number; judging whether a project corresponding to the project number is in a locked state or not; and determining whether the first node is allowed to extract the blockchain token or not according to a judgment result.

The invention discloses a positioning control device for a safety regulating valve, which is characterized in that it includes a valve body, an elastic jacket, and a control positioner, and is characterized in that the valve body is provided with a valve core, a valve body connection base perforation, a concave Cavity; the distance between the nozzle of the control positioner and the baffle plate realizes the positioning control of the regulating valve. The invention has the advantages of good environmental protection effect, simple structure, easy popularization, convenient manufacture, reasonable use method, practical and high efficiency, improved production, good sealing effect, easy processing, adjustment and maintenance, and can produce obvious hand feeling and accurate positioning during operation. reliable.

The invention discloses a combined smoke exhaust airway device for preventing backflow of smoke, which is characterized in that it includes a smoke exhaust airway body, wherein the side of the air inlet is provided with an air inlet for connecting the exhaust airway; The upper port of the channel is opened as its air outlet; the auxiliary channel hole is connected to the main channel hole through the flow-increasing hole; the air inlet hole is arranged on the side wall of the exhaust gas channel. The invention has the characteristics of reasonable design, exquisite structure, convenient use, reasonable use method according to the principle of simplicity and ease of use, energy saving and environmental protection, economy and durability, practical and high efficiency, improved production, large-scale mechanized production, and stable product quality.

The invention discloses a smoke exhaust gas passage device for a building. The smoke exhaust gas passage device is characterized by being formed by bonding four flat plates or two L-shaped corner plates; and a sheet combined type smoke exhaust gas passage can be formed by four surfaces, wherein two surfaces are corner walls in the installing position, and the other two surfaces are bonded by using flat plates. Compared with the prior art, the smoke exhaust gas passage device has the characteristics that the design is reasonable; the structure is ingenious; the use is convenient; principles of simplicity and easy-to-use performance are used; the use method is reasonable; an energy-saving effect, an environment-friendly effect, economic performance, durability, practicability and high efficiency are achieved; the production is improved; the large-scale mechanical production can be realized; and the product quality stability can be ensured, and the like.

The invention discloses a multifunctional insulation board. The multifunctional insulation board is characterized by comprising board surface layers (1), an insulation layer (2) and an expansion joint (3), wherein the board surface layers (1) are arranged on two sides of the insulation layer (2); the expansion joint (3) which is oblique is arranged in the insulation layer (2); the board surface layers (1) are fixedly connected with the insulation layer (2) to form an integral structure; cement layers or board layers are adopted as the board surface layers (1); bloating perlite is adopted in the insulation layer (2). According to the multifunctional insulation board disclosed by the invention, based on a simple and easy-to-use principle, the multifunctional insulation board has the characteristics of being convenient to manufacture, reasonable in using method, simple in structure, convenient to operate, economical, durable, practical and highly efficient. The production is improved, and the integral structure is durable, and is stable and reliable in performance; besides, the expansion joint is arranged, so that deformation can be avoided, and the stable and safe structure can be guaranteed.

The invention discloses an intelligent ultrasound detection device comprising an ultrasonic instrument body 1 having a rectangular overall shape and support rings 2 disposed on inner walls at two sides of the ultrasonic instrument body 1. The support rings 2 are located at the same height. The support rings 2 are square, on which a square shelve 3 is placed. The size of the support rings 2 matches that of the shelve 3. Through holes 4 are disposed in the shelves 3. According to the principle of being simple and easy to use, the invention has the characteristics of being convenient in manufacture, reasonable in using method, simple in structure, economic and durable, and practical and efficient, improves the production of lighter containers, and can ensure the detection quality.

The invention discloses a two-piece anchorage device. The two-piece anchorage device is characterized by comprising a supporting plate (1), an anchor ring (2) and an anchor plug (3) and is also characterized in that the supporting plate (1) is integrally welded together with the anchor ring (2); the supporting plate (1) is square and provided with a circular hole at the center; the anchor plug (3) is in the form of two pieces; the vertical section of the anchor plug (3) is in the form of a right trapezoid; and the bottom angle of the right trapezoid is 75-77 DEG. The two-piece anchorage device disclosed by the invention has the advantages of convenient manufacturing, reasonable application method, simple structure, energy-saving and environment friendly properties, economic efficiency, durability, practicability and high efficiency according to a simple principle; therefore, the two-piece anchorage device is convenient and practical.

The invention discloses a material pushing detection device for a slag discharge machine, which is characterized in that: a slag discharge machine, a drive unit, a slag discharge tank, and a detection unit, the drive unit is connected to the crank; the slag discharge port of the slag discharge tank It is connected to the pre-concentration pool through a slag discharge pipe; the drive unit has a built-in displacement sensor, and the wear limit detection head in the detection unit is installed on a sleeve protruding radially from the cutter head. According to the principle of simplicity and ease of use, the invention has the advantages of convenient manufacture, reasonable use method, simple and easy structure, convenient operation, prevention of slag accumulation, energy saving, environmental protection, economy and durability, practicality and high efficiency, and improves production.

The invention discloses an isolator biological purification development verification method and system, and the method comprises the steps: 1), carrying out the performance confirmation of an isolator, and enabling the isolator to meet the development requirements of a biological purification program; 2) in a biological purification program development process, determining a relatively poor biological purification effect point position in the isolator through different test items, and evaluating to obtain a final difference point position; 3) pre-verification: after setting a set of hydrogen peroxide sterilization parameters, starting hydrogen peroxide sterilization, arranging a biological indicator at each final difference point, pre-verifying the established hydrogen peroxide sterilization parameters, and judging whether the fatality rate of the biological indicator reaches a set threshold value or not after the sterilization is finished; if so, finishing sterilization pre-verification of the set of hydrogen peroxide sterilization parameters; and 4) verification: verifying the hydrogen peroxide sterilization parameters passing the sterilization pre-verification for multiple timesuntil the hydrogen peroxide sterilization parameters are confirmed to meet the killing requirements of all point locations. The method has the advantages of low cost and the like.