30results about How to "Quick setting" patented technology

The invention relates to the technical field of a bolt tightening process and discloses a calculation method for a bolt rotation angle method-based tightening process. The method comprises the steps of calculating an initial tightening torque and calculating a rotation angle, wherein the initial tightening torque and the rotation angle are obtained by calculation through basic parameters of a bolt and related constants. According to the calculation method, the initial tightening torque and the rotation angle can be obtained before a bolt tightening test is performed by utilizing a rotation angle method, so that the efficiency and reliability of the bolt tightening test are improved.

The invention discloses a limiting device of a lifting and pushing mechanism of a mine excavator, which comprises a programmable controller, a human-machine interface, a lifting absolute value coder and a pushing absolute value coder. The limiting device is characterized in that the lifting absolute value coder is connected with a lifting mechanism coiling block through a flexible shaft; the pushing absolute value coder is connected with a shaft of a pushing speed reducer through a flexible shaft; signals of the absolute value coders are connected to a position detection module of the programmable controller through a shielding cable; a central processing unit of the programmable controller reads the signals of the coders in real time through the position detection module; signal values of the signals are compared with a numerical value set by a touch screen to obtain numerical values of different limit points; and the given numerical values of a frequency converter are controlled by using the numerical values of the different limit points so that a lifting and pushing motor is controlled and lifting and pushing limit and pre-limit are controlled. According to the limiting device,the limit is accurate, a mechanical mechanism is protected, operation and control properties are improved, and urgent needs of a large excavator are met.

The invention relates to a method and a system for scribing and setting a walking path of an intelligent trolley based on a mobile terminal. The method comprises the following steps: scribing and setting the walking path; extracting coordinates of a starting point, a break point and an end point of the path; performing filtering processing on the path, performing smoothing processing on the path, and then extracting coordinates of each inflection point; extracting coordinates of an insertion point; forming a path coordinate table; forming a path coordinate and speed table; transmitting a movement control signal to the intelligent trolley. The system comprises an intelligent mobile terminal and the intelligent trolley; the intelligent mobile terminal comprises a first WIFI (Wireless Fidelity)-to-serial port module, a micro-processing module and a liquid crystal touch screen module; the intelligent trolley comprises a second WIFI-to-serial port module, a single chip microcomputer module, a gyroscope module, a motor driving module and a motor. According to the method and the system, the walking path of the intelligent trolley is scribed and set through the intelligent mobile terminal; the walking path of the intelligent trolley can be changed quickly and conveniently without paving a physical leading line on the ground or managing or maintaining the physical leading line; materials, labour and time are saved.

The invention discloses an external heat preservation system for the exterior wall of a heat preservation decorative board, which is applied in the field of building walls and solves the technical problem that the heat preservation and decoration functions cannot be taken into account in the prior art. The wall and the base wall are fixed by bonding and anchoring the thermal insulation decorative board. The thermal insulation decorative board is made of a gel glass bead thermal insulation board composite decorative surface layer, or a composite light-cured decorative panel, or a composite thin stone panel. The thermal insulation decorative board with excellent thermal insulation performance and good decoration has been prepared. It is a functional system material integrating thermal insulation and decoration. It is placed on the outside of the building and is a non-load-bearing thermal insulation structure fixed on the base wall.

The invention provides a programmable control method based on a distributed switching control system. The method comprises the steps of 1, forming a local area network by intelligent switches and loads; 2, wherein each intelligent switch has a unique address and each button in each intelligent switch has a unique address; 3, programming different control strategies by a user according to the unique address of the intelligent switch through communication between a programming tool and a communication module, and storing the different control strategies in a storage module; 4, programming the number of the buttons of each intelligent switch by the user according to the unique address of the button through communication between the programming tool and the communication module; and 5, after the user selects the control strategy for each button according to the unique address of the button, programming a corresponding button attribute of the button on the condition of the control strategy according to the selected control strategy through communication between the programming tool and the communication module, thereby effectively switching on or switching off the corresponding load. The programmable control method has advantages of high setting speed, low price, high convenience in maintenance, and high convenience in use.

The invention relates to a method for repairing an insulating end plate at a glued insulating joint, and belongs to the technical field of railway maintenance. The method of the present invention is to fix the repair device on the rail, cut off the damaged insulating end plate through the repair device, clean the cutting fracture, and then inject glue to the cut fracture through the repair device, remove the repair device after the glue injection is completed, and wait for the glue After the glue at the insulating joint is solidified and formed, the repair work is completed. The method of the present invention is scientific and reasonable, the process is simple, the repairing device is easy to operate, greatly shortens the repairing operation time, and the insulation life of the repaired new insulating end plate can be maintained for more than one year, which greatly reduces the use and maintenance of on-site operations. The cost saves manpower, material resources and financial resources, and it is worth popularizing and using.

The invention discloses a steel wire mesh frame gel glass bead building partition wall thermal insulation system and an installation method thereof. The steel wire mesh frame gel glass bead building partition wall thermal insulation system is applied to the field of building walls and overcomes the technical defect that polyurethane foam walls cannot meet the requirements of high temperature resistance and fire prevention. According to the key points of the technical scheme, the steel wire mesh frame gel glass bead building partition wall thermal insulation system comprises a galvanized steelwire mesh frame, a gel glass bead thermal insulation board and inorganic light mortar protective layers sprayed on both sides of the gel glass bead thermal insulation board, wherein the galvanized steel wire mesh frame is filled with the gel glass bead thermal insulation board. The galvanized steel wire mesh frame is firstly manufactured to ensure that the system has higher compressive strength and tensile strength. The gel glass bead thermal insulation board is then installed in the galvanized steel wire mesh frame, and the gel glass bead thermal insulation board is used as the main insulation layer and has excellent high temperature resistance, fire resistance, light weight and waterproof performance. Using the inorganic light mortar protective layers to spray on both sides of the gel glass bead insulation board is helpful to improve the anti-cracking, heat preservation and water resistance of the system.

A modular head of a plate overlayer includes a drive motor, drive units a main shaft and a suction port on its frame characterizing that the said head frame is composed of a top bridge plate, a bottom bridge plate and a back plate forming 'U' shape structure, the net width of the said frame has an analog vertical halving plane, an axle plane is formed between the axle line of the drive motor and the mainshalf, both of the two planes are on a same plane, the said drive units arranged adjacent to the vertical halving plane of the U frame symmetrically.

The invention provides a non-aqueous phase liquid alkali-free quick-setting agent and a preparation method thereof. The preparation method comprises the following steps: Step 1 is preparing a modified organic aluminum salt: stirring the solvent, feeding nitrogen into it, and then adding alkylaluminum , after mixing evenly, add aluminum alkyl hypophosphite, stop feeding nitrogen after the reaction to obtain a modified organoaluminum salt; step 2 is to prepare a non-aqueous phase liquid alkali-free accelerator: stir the modified organoaluminum salt, A thickener is added therein, and after mixing evenly, a reinforcing agent is added, and the non-aqueous phase liquid alkali-free accelerator is obtained after the reaction is completed and kept warm. The main coagulation accelerator component of the non-aqueous liquid alkali-free accelerator described in the present invention is the reaction product of alkyl aluminum and alkyl aluminum hypophosphite, which reacts with free water in concrete to generate hydrogen Alumina and some free aluminum ions, these components act as direct accelerator components to accelerate the hydration process of cement and realize rapid setting of concrete.