178results about How to "Various installation methods" patented technology

The invention discloses a high-precision water quality online automatic monitor, which comprises a quantifying system, a sampling system, a reaction system and a control system; the quantifying systemcomprises a measuring glass tube, and the upper part of the measuring glass tube is provided with an ultrasound wave sensor; the sampling system comprises a peristaltic pump and an eight-way valve which are connected through a pipeline; the reaction system comprises a digestion device and a light emitting and receiving device, the digestion device comprises a digestion pipe and a PT100 sensor; both ends of the digestion pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with the digestion pipe; the light emitting and receiving device comprises a lightemitter and a light receiver which are arranged at both sides of the digestion pipe; the control system comprises a single chip, a memory and a display module. Compared with the prior art, the fluid in the measuring glass pipe and the rest fluid content in the reagent bottle can be exactly measured through the ultrasound wave sensor and a distributed film pressure sensor; the high-precision waterquality online automatic monitor has the advantages of being strong in multifunctional expanding property, high in sensitivity and low in cost.

The invention discloses a self-rope-arranging winch. The self-rope-arranging winch comprises a winding drum, a motor and a base. The motor is connected with a speed reducer, and the winding drum is installed on the base. The speed reducer is connected with a winding drum shaft of the winding drum to drive the winding drum to rotate. The self-rope-arranging winch further comprises pulleys. The pulleys move in the axial direction of the winding drum and further comprises a rope guide wheel. Steel wire ropes are unwound from the winding drum and are arranged by the rope guide wheel after bypassing the pulleys. By arranging the pulleys and the rope guide wheel, the horizontal installation, ceiling installation and vertical installation of the self-rope-arranging winch can be realized on the basis of the fixed and unified rope output direction without affecting the rope output direction, the use is convenient, the steel wire ropes can be orderly wound around the winding drum, and the synchronous lifting of all lifting points can be ensured.

The invention belongs to the detection technology field and relates to a vibration signal acquisition method for an intershaft bearing. The method includes the steps: utilizing an accelerometer to acquire a vibration signal of an intershaft bearing and a specially-produced sensor installation clasp, the sensor installation clasp being formed by a left half clasp and a right haft clasp that have exactly the same symmetrical structure; and installing the accelerometer on the sensor installation clasp to minimize the influence of imbalance upon a rotor shaft due to installation of the sensor. According to the acquisition method, the structural dimension of the sensor installation clasp is determined at first, the accelerometer is then installed, and finally, the vibration signal of the intershaft bearing is acquired. The installation mode of the accelerometer is improved. The method is capable of accurately acquiring the vibration signal of the intershaft bearing, a signal to noise ratio of the signal is increased, data is provided for fault diagnosis and state monitoring of the intershaft bearing, and great convenience is brought to subsequent monitoring and diagnosis.

The invention relates to a method for reinforcing a drop shaft in an underground mine producing area and belongs to the field of metal mine and rock engineering reinforcement. The method is characterized in that the movement track of ores in the drop shaft during the ore discharge process is fully considered, model experiments and theoretical analysis method are adopted for determining the property of impact action and an impact failure region to the well wall generated by the ores according to the height of the drop shaft and the diameter of the drop shaft, the drop shaft is hereby divided into four stress regions, namely a first impact failure region, a second impact failure region, a fault fracture zone region and a wear-out failure region, and different forms are further adopted for reinforcement. The method is especially applicable to reinforcement of the drop shafts in the producing areas under soft and broken surrounding rock conditions, can be used for significantly prolonging the service life of the drop shaft and has the advantages of safety in construction, simpleness and low cost.

The invention discloses a radiation refrigeration curtain which comprises a woven frame and a plurality of membrane strips arranged on the woven frame. At least part of the membrane strips comprises aradiation refrigeration layer, the radiation refrigeration layer comprises resin and a radiation refrigeration body dispersed in the resin, and the emissivity of the radiation refrigeration layer is70-100% in the wavelength range of 7-14 microns. The radiation refrigeration curtain has the advantages of being light in weight, good in bending resistance and diversified in installation modes, is paved outside an object or space to be cooled when cooling is needed, the radiation refrigeration layer is enabled to face the outer side and discharges its heat energy to the outside space with the temperature close to absolute zero degree in the form of 7-14 microns of electromagnetic waves through an atmosphere window, so that the temperature of the radiation refrigeration layer is reduced; dueto the existence of the temperature difference, the heat in the object or space to be cooled is continuously transferred to the radiation refrigeration layer with lower temperature, and the cooling ofthe object or space is finally achieved. When cooling is not needed, the radiation refrigeration curtain is put away.

The invention relates to an ultra-thin passive wireless acoustic surface wave sensor. The ultra-thin passive wireless acoustic surface wave sensor is characterized by comprising a PCB, a micro-strip antenna and an acoustic surface wave sensor chip. Both the micro-strip antenna and the acoustic surface wave sensor chip are arranged on the PCB, and the micro-strip antenna is connected with the acoustic surface wave sensor chip. The ultra-thin passive wireless acoustic surface wave sensor is simple and compact in structure, and small in occupied space even though the antenna is provided.

The invention relates to an internal and external circulation positive pressure air purifier. The purifier comprises a controller and a main body with a chamber, wherein the chamber is divided into an air inlet chamber and an air flue chamber by a filter installed in the chamber; the portion, where the air inlet chamber is formed, of the main body is provided with an external circulation air inlet and an internal circulation air inlet; the external circulation air inlet is communicated with the outside through a through-wall fresh air pipe, and the internal circulation air inlet is communicated with a room; a draught fan with a control end in communicating connection with a controller is installed in the air flue chamber; the portion, where the air flue chamber is formed, of the main body is provided with an air outlet which is communicated with the room; an internal circulation air valve is installed in the internal circulation air inlet and is a hand valve or an electric valve with a control end in communicating connection with the controller. The purifier has the advantages that a pressure difference exists between the outside and the room, and healthy indoor air is ensured; wind resistance is small, air flow is smooth, and accordingly the requirement for power of the draught fan is low, and energy is saved; installation is convenient without limitation; a negative ion assembly further purifies the air.

This invention discloses an effective movement mechanism rotating leftwards and rightwards, specifically relating to a novel portable/load-bearing/multi-parameter/adjustable rotating mechanism; a stepping motor (4), a gear locating shaft (5) and a planetary claw(10) are fixed with a connecting board (2); after power is switched on, the stepping motor starts to work, torque transmitted by a motor shaft through a motor gear drives three planetary gears (7) to move; by dint of classical deceleration principle, the three planetary gears are matched with gear rings (6) so as to effectively reduce high rotating speed transmitted from the output end of a motor, thus, speed is reduced so as to satisfy the use demand; service life is also prolonged; the gear rings (6) are fixed on an upper cover (1) and the gear locating shaft (5) is also fixed, therefore, the planetary gears are rotated automatically and drive the gear rings (6) and the upper cover (1) to rotate simultaneously; the upper cover is located and moves with the planetary claw(10) and the connecting board (2) through a bearing (11), thus rotating concentricity is ensured so as to realize the work that motor transmission drives the upper cover (1) to rotate.

The invention discloses a dynamic temperature measurement system and a dynamic temperature measurement method for key components of railway vehicles, which belong to the field of monitoring the safe operation of railway vehicles; the dynamic temperature measurement system includes: a passive temperature measurement electronic label, a radio frequency antenna and a reader host; monitoring software and repeat management terminal software; central server, repeat decision terminal server and mobile handheld repeat terminal; the dynamic temperature measurement method is: the radio frequency antenna receives the data of the passive temperature measurement electronic tag, and reads The host control and aggregation of the output device is transmitted to the central server and the terminal server for repeating the decision-making, runs the monitoring software and the terminal software for the repeating management, analyzes and processes the data, and performs related calculations through the in-depth data model; and according to different early warning decision-making models, Carry out hierarchical early warning decision-making, and the output results are repeated through the mobile handheld repeating terminal; the present invention is simple and convenient to maintain, safe and reliable, without manual intervention, and transmits data in motion, a real-time dynamic monitoring system.

The present invention provides a computer host case inside adjustable mainboard bracket and a usage thereof, relating to the computer technical field. The computer host case inside adjustable mainboard bracket adopts a technical key of organically combining a bracket, a guide rail and a slider to provide a connection mode of a computer mainboard. The computer host case inside adjustable mainboard bracket has a computer host case fastened with the bracket, wherein the bracket is fastened with the guide rail; the guide rail is in slide movable connection with the slider and is fastened through a slider fixing screw hole on the slider; the slider and the computer mainboard are fastened through a mainboard fixing screw hole on the slider. The usage of the computer host case inside adjustable mainboard bracket comprises the following steps that: the computer host case inside adjustable mainboard bracket is fastened inside the computer host case; the guide rail and the slider are loosened so as to allow the slider to slide to a needed position; the computer mainboard is fastened on a mainboard fixing screw hole on the slider; the slider is fixed on the guide rail through the slider fixing screw hole of the slider. The computer host case inside adjustable mainboard bracket is used for the installation of the computer mainboard. The intrinsic structure of the case is adapted to various mainboards; after the mainboard is fixed, the mainboard can be adjusted at will and does not conflict with a CD driver, thereby adapting to the development needs of computers.

The invention discloses a wireless temperature measurement sensor having self-adaptability. The wireless temperature measurement sensor having self-adaptability is characterized by comprising a waterproof casing and an inner circuit, wherein the inner circuit comprises a temperature measurement probe, an AD conversion circuit, a micro processor, a timer, a memory, a switch circuit and a wireless transceiver module, an output end of the temperature measurement probe is connected with the AD conversion circuit, an output end of the AD conversion circuit is connected with the micro processor, an output end of the micro processor is connected with the switch circuit, an output end of the switch circuit is connected with the wireless transceiver module, the micro processor is further respectively connected with the timer and the memory, the waterproof casing is provided with a USB interface, and the USB interface is respectively connected with the memory and the micro processor. The wireless temperature measurement sensor having self-adaptability is provided with the waterproof casing, has advantages of long service life, good waterproof performance, simple structure and convenient mounting and makes the wireless transceiver module arranged in the sensor.

The invention relates to a dual-purpose lamp for suction and hanging, which includes a light-emitting component, an installation bottom box, a suspension wire installation box and a wall installation box. The two ends of the lampshade are sealed by the head, and the two sides of the top of the lampshade are respectively provided with threaded holes fixed to the wall installation box and the suspension wire installation box and electrical ports electrically connected to the suspension wire installation box and the wall installation box. The luminous components can be installed on the wall through the wall installation box, or on the ceiling through the suspension wire installation box. There are various installation methods. Secondly, no matter which installation method, the installation process is very simple. The box is fixed on the wall or ceiling, and other components only need to be tightened by screws, which does not require professional engineers to install, which reduces the installation cost and is suitable for most users.

The invention provides a self-locking floor, relating to a floor with an independent locking device and aiming to provide a self-locking floor with simple structure, simpleness and convenience for mounting and strong practicability. The self-locking floor of the invention comprises a floor central part, the edges of at least two opposite edges of the floor central part are respectively provided with connecting parts in mutual match, either connecting part comprises a tenon with a longitudinal cross section approximately shaped as a tongue and a mortise with a longitudinal cross section approximately shaped as a U-groove shape and also comprises a clamping device independent from the tenon and the mortise, the clamping device comprises a tenon clamping section suitable for being clamped by the tenon and a mortise clamping section suitable for limiting the movement of the tenon in the horizontal direction, and the tenon clamping section and the mortise clamping section are connected.

The invention discloses a high-efficiency composite braking mode alternating current frequency conversion winch. The high-efficiency composite braking mode alternating current frequency conversion winch comprises an automatic bit feed device and a PLC (Programmable Logic Controller) control system, wherein the automatic bit feed device is connected to a speed changing box which is connected to analternating current frequency conversion main motor and a drum shaft assembly respectively through a first coupler and a clutch; the drum shaft assembly is connected to an electromagnetic eddy currentbrake by a second coupler; or a drum shaft of the drum shaft assembly is in key connection with the electromagnetic eddy current brake; a hydraulic disk type brake is in key connection between the electromagnetic eddy current brake and the drum shaft assembly; the PLC control system is connected to a driller control room, a frequency convertor, a drum coder and a clutch; the driller control roomis connected to the electromagnetic eddy current brake and the hydraulic disk type brake; the frequency convertor is connected to the alternating current frequency conversion main motor; and the drumcoder is connected to the drum shaft assembly. The high-efficiency composite braking mode alternating current frequency conversion winch disclosed by the invention has three types of brakes. The invention also discloses a lowering control method of the high-efficiency composite braking mode alternating current frequency conversion winch.

The invention relates to a safety protection combined protection device for a wall-climbing robot. The safety protection combined protection device is used for the wall-climbing robot when the wall-climbing robot encounters an abnormal or emergent situation during working. The safety protection combined protection device detects and controls all adsorption devices of the wall-climbing robot in real time, so that the robot is protected and recycled. According to the technical scheme, a device main body is composed of a main air bag bin, an annular air bag bin, a magnetic air bag bin, a controlmodule and a gas generator module, wherein the control module is placed at the bottom in the main air bag bin, the main air bag bin is connected with a gas generator A through wires, an air bag A is connected with the gas generator A and placed on the upper portion of the control module, and a safety valve A is arranged at a bag opening; the control module is connected with gas generators in the annular air bag bin and the magnetic air bag bin, an air bag B is placed in the annular air bag bin and attached to the inner surface of the annular air bag bin, and a safety valve B is arranged at anopening of the air bag B; and a gas generator C is arranged in the magnetic air bag bin, and a safety valve C is arranged at a bag opening. The safety protection combined protection device for the wall-climbing robot adopts a modularized and miniaturized structure, is simple to install and convenient to disassemble, and improves the safety.

The invention relates to an intelligent LED multifunctional power transmission and distribution language identification device, and belongs to the field of intelligent power transmission and distribution maintenance equipment. The device comprises an electronic display module, a voice broadcast module, a power supply module, a mounting and fixing module and an intelligent control module; the electronic display module comprises an LED electronic display screen, and the LED electronic display screen is provided with a USB connection socket; the electronic display module and the voice broadcast module cooperate with the intelligent control module to display and broadcast identification content after editing, control and management; the mounting and fixing module comprises a strong negative pressure suction cup, a hanging hole and a flexible connecting strip; the strong negative pressure suction cup is provided with a hook, and an upper adhesive tape is distributed around the hook; the flexible connecting strip is provided with lap-joint buckles and a lower adhesive tape cooperatively adhering to the upper adhesive tape. The device is mounted and fixed on different occasions through the variable mounting and fixing module, and the use is convenient and quick; the identification content can be intelligently controlled, information can be replaced at any time according to the actualsituation, identification is obvious, and the warning effect is good.

The invention discloses a hollow LED halftone screen, which consists of a plurality of unit plates; each unit plate comprises a plurality of PCB circuit boards; each PCB circuit board comprises an LED light-emitting unit, a single wire transmission control chip, a positive source line, a negative source line and a signal control line; and the plurality of PCB circuit boards in each unit plate areconnected at any angle into a net shape through the positive source line, the negative source line and the signal control line, and a penetrating blank space is formed between two adjacent PCB circuit boards and two adjacent PCB circuit board trunks. The hollow LED halftone screen has the advantages of simple lines, stable control signals, steady screen body, flexible mounting mode, low production cost and the like, and can be mounted by adopting modes such as beam type, single sling type, double sling type and multi-sling type.

The invention relates to a ventilated vacuum well for a sewage tank. The ventilated vacuum well is used for collecting sewage at a sewage source and discharging the sewage into a downstream sewage treatment pipe network. The ventilated vacuum well comprises a well body, a pneumatic controller, a vacuum blow-down valve, a liquid level sensor, a sewage pipeline system and a ventilation pipeline system, wherein the pneumatic controller, the vacuum blow-down valve and the liquid level sensor are arranged in the well body, and the sewage pipeline system and the ventilation pipeline system are connected with the well body; the liquid level sensor is used for sensing the rise and fall of water level so as to drive the pneumatic controller to drive the vacuum blow-down valve to work, the pneumaticcontroller can be used for ventilation, water collection and drainage, and the integral structure is compact; and a gravity sewage inlet pipeline is arranged in the sewage pipeline system. When the ventilation pipeline system is connected with the gravity sewage inlet pipeline, a lifting bent pipe is arranged on the gravity sewage inlet pipeline to generate water resistance, so a pressure reliefdevice is arranged. The pressure relief device is used for ventilation of the vacuum blow-down valve and the pneumatic controller, pressure relief of air in the upper part of a sewage chamber and drainage. The tolerance of water resistance of the gravity sewage inlet pipeline is improved.