32results about How to "Realize the replacement function" patented technology

The invention discloses a signboard automatic signboard turnover and replacement device and a using method thereof. A longitudinal driving mechanism drives a lifting driving mechanism and a signboardselection mechanism to move in the longitudinal direction, and engagement and separation of an active wheel and a passive tooth plate are realized; after the active wheel and the passive disc are separated, the active wheel moves in the horizontal direction stirred by the signboard selection mechanism, thus a signboard is selected, after selection is completed, engagement between the active wheeland the passive tooth plate is realized through the longitudinal drive mechanism, then the signboard is driven by the lifting driving mechanism to rotate around an axis of the signboard, thus liftingof the signboard is realized, after identification is completed, then the lifting driving mechanism drives the signboard to drop down, thus the signboard turnover function is realized. The using method is easy and convenient to operate and wide in applicability, and high value of application and popularization is realized.

The invention discloses a signboard automatic signboard turnover and replacement device and a using method thereof. A longitudinal driving mechanism drives a lifting driving mechanism and a signboardselection mechanism to move in the longitudinal direction, and engagement and separation of an active wheel and a passive tooth plate are realized; after the active wheel and the passive disc are separated, the active wheel moves in the horizontal direction stirred by the signboard selection mechanism, thus a signboard is selected, after selection is completed, engagement between the active wheeland the passive tooth plate is realized through the longitudinal drive mechanism, then the signboard is driven by the lifting driving mechanism to rotate around an axis of the signboard, thus liftingof the signboard is realized, after identification is completed, then the lifting driving mechanism drives the signboard to drop down, thus the signboard turnover function is realized. The using method is easy and convenient to operate and wide in applicability, and high value of application and popularization is realized.

The invention provides a normal-pressure hypoxic cabin for interval hypoxic training and a method for regulating oxygen concentration in the hypoxic cabin. A normal-pressure hypoxic cabin is provided, and the normal-pressure hypoxic cabin is communicated with a nitrogen source through a flow control component and a flow measurement component and is connected with an exhaust device; an oxygen concentration measuring device connected with a central control unit is provided, the flow measurement component is connected with the input end of the central control unit, and the central control unit is electrically connected with the flow control component; and a gas source cabin with a gas displacement function is provided, masks are arranged in the normal-pressure hypoxic cabin, the masks are respectively communicated with the gas source cabin through a non-return valve and an on-off valve of a gas suction pipe as well as a non-return valve and an on-off valve of an expiration pipe, and the gas source cabin is provided with a gas source input pipe and a gas flow output pipe. The normal-pressure hypoxic cabin provided by the invention has the advantages of simple structure, low manufacturing cost and high safety. The method provided by the invention can be used for regulating the pressure difference between the inside and outside of the hypoxic cabin by controlling the relative amountbetween the input nitrogen amount and exhaust amount, thereby realizing the function of regulating the oxygen concentration in the normal-pressure hypoxic cabin. The method is simple and easy to operate.

The invention discloses a device for easy replacement and cleaning of billboards, comprising a body, a load-bearing column standing upright on the ground is fixed on the lower end surface of the body, the load-bearing column supports the body, and a middle of the body is There is a lifting switching mechanism at the position. The invention realizes the lifting and lowering of the rope by using the electromagnetic clutch to control the power on and off of the motor, and drives the billboard installed on the ground to move up and down through the rope, and is locked by the mechanism on the upper end of the positioning rod. It can realize the positioning of the billboard. While realizing the replacement function of the billboard, this equipment increases the function of cleaning the dust on the surface of the billboard, which can maintain the beauty of the billboard, and avoid the need to manually climb to a high altitude for replacement and cleaning. work, improve work efficiency and ensure the safety of operators.

The invention provides a lithium battery module and a power exchange device, and relates to the field of battery packs. The lithium battery module includes a bracket and a plurality of lithium battery units. The lithium battery unit includes a casing and a battery core. The cell is arranged in the cell through slot; the lithium battery module has a working state, an unloading state and a loading state; in the working state, the cell is kept in the cell through slot; in the unloading state, the cell It can be pulled out from the cell through slot; in the loaded state, the cell can be loaded into the cell through slot in the horizontal direction. By using the cells of the lithium battery module as the object of power exchange, the incompatibility of the power exchange equipment caused by the structural differences of the lithium battery assembly can be avoided, thereby reducing the requirements for the power exchange equipment, which is conducive to improving the power exchange The versatility of equipment promotes the popularization of new energy vehicles.

The invention discloses a material transportation device for quantitative transportation, which includes a machine body. A screening transport cavity is arranged inside the body. Quantitative transport chamber, the body is provided with a replacement chamber, the replacement chamber communicates with the quantitative transport chamber, the present invention can realize the quantification of materials through the quantitative distribution transport mechanism, and carry out quantitative material transportation through the movable warehouse , the movable warehouse cooperates with the replacement mechanism to realize the replacement function of the movable warehouse, so that the movable warehouse full of materials can be replaced by the empty movable warehouse, so that the present invention can continuously carry out quantitative transportation of materials, and the present invention has a material screening mechanism To realize the function of screening and removing light impurities in the material.

The invention discloses a system for pre-embedding electrical pipelines in a secondary structure and an implementation method, belonging to the field of pre-embedding electrical pipelines in buildings. Each prefabricated brick is embedded with a fixed line card. The fixed line card includes a shell, a first spring, a clip and a wedge-shaped stopper. The inner wall of the shell is provided with a positioning structure, a guide groove, a notch, and a groove. A fixed block is inserted at the mouth, and a cover plate is matched and connected to the housing at the notch. The first spring is set in the guide groove. One end of the clip is fixedly connected with the first spring, and the other end of the clip is provided with a shovel. A mounting plate is movably connected in the groove, and the side of the mounting plate facing away from the positioning structure is in conflict with the fixed block. The mounting plate is provided with a second spring and a third spring. One end of the second spring is connected to the wedge-shaped stopper, and one end of the third spring is connected to the In the guide groove, the width of the wedge-shaped stopper is equal to the width of the guide groove, which effectively solves the existing problems of complicated construction and unfavorable replacement, realizes high working efficiency and saves later maintenance costs.

The invention discloses a sulfuric acid storage tank breathing valve with drying function, which comprises a first tank body, a second tank body is installed on one side of the first tank body, and a support is fixedly installed on the upper end of the first tank body Cover, the upper surface of the support cover and the second tank body are provided with sleeves, the top of the inner wall of the support cover is movably connected with a sealing top cover, one side of the first tank body and one side of the second tank body The sides communicate with each other through a connecting pipe, and an air flow path is formed between the outer side of the lower end of the support cover and the top end of the first tank body. A dehumidification mechanism is installed on one side of the first tank body, and the dehumidification mechanism is connected with the The two tanks are connected with the first tank through an air transmission pipeline. The invention enables the device to realize the functions of moisture absorption and material replacement through the internal structure of the device.

The invention discloses an optical fiber distribution frame with multi-functional modules, which relates to the field of optical fiber distribution frames and includes a multi-functional module box and a module frame; the side wall of the multi-functional module box is provided with an incoming optical cable fixing plate and an installation bracket , the mounting bracket is used to connect with the rack; the module frame is provided with a fiber splicing tray support plate and a fiber smelting tray, and the splicing tray tray can be pulled out and placed in the multifunctional module box, and the A fiber splicing disk is installed on the support plate of the splicing disk, and the splicing disk provides a place for fusion splicing of the incoming optical cable and the pigtail fiber, and the pigtail fiber is connected with the adapter. The distribution frame has the functions of both the traditional single-sided optical fiber distribution frame and the double-sided optical fiber distribution frame, so as to meet the different needs of customers and greatly reduce the use cost.