2783results about How to "Shorten working time" patented technology

The invention discloses a liquid supply vehicle, which comprises a frame with a cab. The lower part of the frame is provided with wheels, the rear upper part of the frame is provided with a bedplate, a power driving device is arranged on the bedplate, a centrifugal pump is arranged below the bedplate, the power driving device is in transmission connection with the centrifugal pump, and an inlet and an outlet of the centrifugal pump are connected with a suction pipe and a discharge pipe respectively. The liquid supply vehicle has the advantages of improving the self-sucking effect of a fracturing truck, improving the operation efficiency of the fracturing truck and shortening the operation time, along with reasonable design, simple structure, easy assembly and manufacture, and also can be used for liquid delivery in other industries of flood drainage, sewage clearing and the like.

The invention relates to a genetic-algorithm-based trajectory planning optimization method for a mobile mechanical arm. According to the technical scheme, the method comprises the following steps of first establishing a forward kinematic model and an inverse kinematic model of a multi-degree-of-freedom mobile mechanical arm; then fitting a joint trajectory by adopting a composite curve of a quartic polynomial mathematical model and a quintic polynomial mathematical model, and calculating solutions of the corresponding mathematical models according to a linear constraint equation; next selecting a trajectory optimization target according to the principles of shortest motion time, minimum spatial motion distance and less than or equal to maximum set joint torque of the mobile mechanical arm; and finally globally optimizing the optimization target by utilizing a genetic algorithm to obtain an optimal trajectory curve of an end actuator of the mechanical arm. According to the method, the trajectory planning efficiency and the tracking accuracy of the mechanical arm are improved, and the problems of real-time trajectory planning of the mobile mechanical arm and trajectory planning optimization and control of the mechanical arm in an uncertain environment are also solved; and the trajectory planning optimization method for the mobile mechanical arm is effective.

The invention relates to a preparation process of continuous casting slab high-temperature oxidation resistant coatings, which is characterized in that less than 120 meshes of powder, reductant containing carbon, inorganic binders, surfactants, suspending agents and the like with the compositions such as 25-55 wt% SiO2, 10-20 wt% Al203, 11-23 wt% MgO and the like are respectively grinded and mixed evenly, then water is used to be mixed and stirred sufficiently evenly, and finally the density of the coatings are adjusted within 1200-1500 kg/m3. The coatings can not only be sprayed onto continuous casting slabs at normal temperature, but also be sprayed onto high-temperature casting slabs, form continuous whole protective coating layers under the action of high temperature, effectively reduce temperature drop of the casting slabs and oxidation burning loss in even heating process of a heating furnace without changing original performance of matrixes, and effectively decrease dilution of alloying elements on the surfaces of the casting slabs. After the casting slabs are out of the heating furnace, natural spalling capability of the coating layers is strong, and oxidation matrixes of the casting slabs are smooth. Raw materials of the oxidation resistant coatings are easy to be obtained, and the coatings have low cost and simple preparation process and are adaptable to oxidation resistance for various steels when being heated at 700-1300 DEG C/ 2-8 hours.

The invention relates to an automatic coating technology of large-scale steel pipe anticorrosion coating and a production line thereof. The coating technology adopts the steps that steel pipes enter into a dehumidification cleaner, an automatic shot blasting machine, a preheating drying chamber, a spray chamber, a paint film solidifying chamber and a cooling chamber under the conveying of a steel pipe conveying mechanism, and after decontamination, dehumidification, surface treatment and preheating, the steel pipes enter into paint spraying, paint film solidifying and cooling processes; the production line comprises a steel pipe conveying mechanism, a dehumidification cleaner, an automatic shot blasting machine and a preheating drying chamber, wherein, the automatic shot blasting machine is arranged between the dehumidification cleaner and the preheating drying chamber; the automatic coating technology and the production line are characterized in that a paint spraying and solidifying unit is also arranged at the rear part of the preheating drying chamber; the paint spraying and solidifying unit comprises a spray chamber, a paint film solidifying chamber and a cooling chamber which are arranged in a line from the front part to the rear part in sequence, wherein, a coating machine for coating anticorrosion coat to the surfaces of the steel pipes is arranged in the spray chamber, and a hot air circulating system is arranged in the paint film solidifying chamber. The invention has the advantages that continuous and automated operation can be performed on a production line, the production efficiency is high, the coating quality is good, and environmental pollution is avoided.

A method and apparatus for priming an extracorporeal blood circuit, in which the patient end of an arterial line (79) is connected to a first discharge port (61), and the patient end of a venous line (87) is connected to a second discharge port (62). The two discharge ports are connected to a used dialysate line which connects a dialyser (33) to a drain. The arterial and venous lines are filled with a priming fluid, while the air contained in the arterial and venous lines is evacuated partly through the first discharge port and partly through the second discharge port. Two check valves (65, 66) prevent flow from the used dialysate line towards the two discharge ports. The invention reduces the risk of errors on the part of an operator readying the priming configuration, as well as the risk of contamination of the extracorporeal circuit during the priming phase.

The invention relates to the technical field of logistics, particularly to a logistics center storage position allocation method. The method comprises the following optimization steps: calculating goods correlation; clustering and analyzing goods; allocating clustered goods to storage areas; allocating goods to specific goods positions and finely adjusting the storage of special goods according to the characteristics of the goods. The method reduces the operating time for a warehouse and improves the operating efficiency of the shelf-type warehouse without increasing equipment investment, by optimizing a logistics center storage position allocation management system, using the shelf-type warehouse center as a research object, optimizing the goods position allocation of the warehouse and beginning with optimization management and dispatching of the warehouse.

The invention discloses an automatic tin pick-up machine which comprises a working table. A rosin box and a tin tank which are located on the working table top are sequentially arranged in the X-axis direction of the working table. The automatic tin pick-up machine is characterized in that the working table is provided with a linear driving device and a lifting part-taking device which performs displacement in the X-axis direction of the working table under the driving of the linear driving device. The lifting part-taking device comprises a support, a lifting mechanism lifting in the Y-axis direction of the working table and a part-taking mechanism, wherein the support is connected with the driving device after being arranged in the Z-axis direction of the working table; the lifting mechanism is fixed on the support; and the part-taking mechanism is fixed at the output end of the lifting mechanism. The automatic tin pick-up machine has the advantages of being safe, reliable and good in tin pick-up effect.

The invention relates to a dust fall agent for water mist dust fall. 0.06-0.2wt% of wetting agent permeation assistant is added to water, wherein the wetting permeation assistant comprises anionic surfactant, or cationic surfactant, or zwitterionic surfactant, or non-ionic surfactant. Because in the dust fall agent of the invention, 0.06-0.2wt% of wetting agent permeation assistant is added to water, thus the surface tension of the water can be reduced, the contact capacity of the water with dust particles is promoted, and solid materials can be soaked by water more easily through the wetting agent permeation assistant, thereby accelerating the wetting permeation velocity of water to the dust particles, accelerating the fall velocity of the dust particles, and reducing the fall time of the dust particles. Thus, the invention reduces the operation time and the operation cost, protects the health and safety of operation personnel, and can be widely applied to water spray, water sprinkling, dust fall and dust suppression of mines, tunnels or roads.

The invention relates to the field of construction, in particular to a bridge and a construction method thereof. The bridge and the construction method of the bridge are provided to overcome shortcomings in construction methods of existing bridges, a conventional sequence construction method of performing cast-in-place construction of a beam body after bridge pier construction is finished is changed into a parallel construction operation method of a bridge pier and the beam body. The bridge comprises the bridge pier and the beam body, and the beam body comprises a precast beam body and two side span connecting segments respectively in butt joint with the head end and the tail end of the precast beam body. The bridge pier comprises side piers supported on end sides of the side span connecting segments and main piers symmetrically arranged on two sides of the end of the precast beam body, and a load-bearing beam for supporting the precast beam body is connected between the two main piers positioned on two sides of the end of the precast beam body. The construction method has the advantages of achieving the effects of shortening operating time and reducing cost at once, being high in work efficiency, being not subjected to limitation of a conventional construction process, reducing high-altitude operation difficulty and dangerous sources and improving construction safety for workers.

The invention discloses a multi-type welding processing and manufacturing technological method for a full-automatic welding robot. According to the method, the welding process can be achieved reliably, conveniently and rapidly, and the method is suitable for welding of welding seams of products of various types. The method comprises the following steps that 1, the welding robot is assembled on a welding station of a welding production line; 2, the welding robot is initialized after being powered on; 3, whether the angles and zero points of all axes of the welding robot are correct or not is determined; 4, a robot control device main network address and a robot slave network address are set, Cartesian coordinates are defined according to actual needs, and the coordinates of a welding gun are determined; 5, a welding piece is scanned into a three-dimensional model through a laser bar code scanning system, the three-dimensional model is guided into a main industrial personal computer, and welding information is directly designated on the three-dimensional model through a wireless teaching device; and 6, program codes are generated according to scanned three-dimensional model information and welding information through the main industrial personal computer, and are sent to a robot control device.

The invention relates to a device for detecting camera modules. The device comprises a camera module conveying unit, a curing unit, a detecting unit, a clamping moving unit, a waste collecting unit and a device installing platform; the device is characterized by further comprising a camera module discharging unit; and the camera module discharging unit is composed of a tray collecting mechanism and a detecting fixing mechanism. The method of detecting the camera modules through the device comprises the following steps that the glue position cured by the curing unit is detected through the detecting unit, and then the qualified and unqualified camera modules are subpackaged into the camera module conveying unit and the waste collecting unit correspondingly. According to the device for detecting the camera modules, the problem that ultraviolet curing of glue is missed can be avoided, the situation that false detection and missing detection caused by fatigue in the process of manual glue inspection can be reduced, the device is 200-300% of manual detection in efficiency, the device accurately classifies the detected qualified and unqualified camera modules through the same mechanism, operation speed is fast, efficiency is high, and cost is low.

The invention relates to the installation method field of smelting equipment of iron, in particular relates to modularized and integrative disassembling and installing methods for a blast furnace. The modularized and integrative disassembling method for the blast furnace comprises: disassembling a furnace top system, disassembling a hot wind surrounding pipe, disassembling a layer beam and casting house platform and disassembling a furnace body. The modularized and integrative disassembling method is characterized in that when the furnace top system, the hot wind surrounding pipe, the layer beam and casting house platform and the furnace body are dissembled, the modularized and integrative disassembling method is adopted. The modularized and integrative insulating method for the blast furnace comprises: installing the furnace top system, installing the hot wind surrounding pipe, carrying out furnace body construction, carrying out layer beam and casting house platform construction and carrying out finished product groove construction and is characterized in that when the furnace top system, the hot wind surrounding pipe, the furnace body, the layer beam and casting house platform and the finished product groove are installed, the modularized and integrative installing method is adopted. According to the invention, construction efficiency is high, safety is high, and production cost is reduced.

The invention relates to a contact screen detecting and overhauling car based on laser radar. The contact screen detecting and overhauling car comprises a detecting car body, a data acquisition unit, a lifting and rotating operation platform and a server used for data analyzing and processing. The data acquisition unit is arranged on the detecting car body. The lifting and rotating operation platform can be rotationally arranged on the back of the top of the detecting car body in a lifted mode and is provided with a display and control panel. The server is connected with the data acquisition unit and the display and control panel. Data collected through the data acquisition unit are analyzed and processed by the server and then transmitted to the display and control panel. According to the contact screen detecting and overhauling car based on the laser radar, the operation effect is improved significantly, the operation time is saved, and the labor intensity is relieved; moreover, after contact screens are maintained, the yield of the contact screens can reach 100%, and artificial misoperations in the maintenance process are avoided effectively.

The present invention relates to car door production process and apparatus, and is especially technological process and mold for binding edge of car frame edge. The outer door plate is bent and bound by means of the horizontal motion of slide block driven with the edge binding mold. The present invention has no need of replacing mold, short edge binding period, high production efficiency and high product precision.

The invention relates to a process for fracturing reconstruction and extraction for oil and gas well in oil field. In the process, different fracture technology parameters are determined based on geology materials, then down-hole tools such as a hydraulic anchor, a packer, a sliding sleeve, a ball cup and the like are put into the well in order, the packer is packed and the hydraulic anchor is anchored by once tamping, then deliver balls perform corresponding fracturing reconstruction to the oil gas reservoirs through the switch function of the sliding sleeves, and after the construction works are completed, the merged extraction can be performed. The process determines corresponding fracture pipe string structures based on different reservoirs and different fracture parameters, can realize the selective fracture reconstruction and commingled production mode for the reservior by onetime, has full controllability for each reservior fracture order, has little work risk, can greatly shorten the operation time of fracture construction, and can achieve the purpose of improving the yield of the oil and gas well and the extraction effect.

The invention discloses an opening-loading-sealing all-in-one machine for packaging bar products. A combination box opening machine is arranged on one side of a main frame of the all-in-one machine, a conveying roller way is connected to the box opening machine, a box loading station is arranged on the conveying roller way, and paper boxes are opened and molded through the box opening machine to be conveyed to the box loading station for waiting for box loading; the conveying roller way is respectively connected with a hose sausage body conveying mechanism and a squeezing-out mouth conveying mechanism, a movable hose sausage body box loading mechanism and a squeezing-out mouth box loading mechanism are arranged at the position, above the box loading station, of the conveying roller way, and the box loading mechanisms grab hose sausage bodies and squeezing-out mouths from the conveying mechanisms respectively into the empty paper boxes. The hose sausage body conveying mechanism is provided with a hose sausage body quality testing mechanism and a grouping mechanism, the quality testing mechanism screens out and conveys the qualified hose sausage bodies to the grouping mechanism, and the hose sausage bodies are grouped by the grouping mechanism according to a preset number to be grabbed and carried by the hose sausage body box loading mechanism. The squeezing-out mouth conveying mechanism is also provided with a grouping mechanism, and the squeezing-out mouths are grouped by the grouping mechanism according to a preset number to be grabbed and carried by the squeezing-out mouth box loading mechanism.

The invention discloses a multi-scale map data updating method, which comprises the following steps: matching the new large-scale data and the small-scale data to be updated with multi-scale targets;constructing element-level relationship; conducting element change information detection; cartographic generalization and redefinition; object-oriented incremental updating; spatial inconsistency detection and processing. The multi-scale map data updating method disclosed by the invention can effectively solve the problems that the prior art is unable to accurately identify the change informationand predict the transmission scale of the change element updating, the matching range of the element is small, and the efficiency of the map element updating is low.

The invention provides a control device for matching the speed between an injection head of a continuous pipe assembly and a roller. The invention is applied to the continuous pipe construction in the petroleum industry and is characterized in that the device consists of a load sensing pressure compensation pump, a proportional direction valve, a shuttle valve, two equilibrium valves, a manual reversing valve, two injection head motors, a roller motor, two reducing valves, two rotating speed sensors, four electromagnetic reversing valves, a proportional overflow valve and an oil box, each component is connected and assembled according to the invention. The control device has the advantages that the cooperation control of the two subsystems of the injection head and the roller is realized, the roller injection or lifting speed is the same as the speed for loosening or winding the injection head continuous pipe, the 'back drawing force' of the continuous pipe on the roller is constant basically, thereby reducing the harm on the continuous pipe and the continuous pipe assembly, prolonging the service life, shortening the operation time, saving the operation cost and avoiding unnecessary loss caused by misoperations.