419results about How to "Good work reliability" patented technology

The invention relates to a two-dimensional high load-bearing large-caliber rapid control reflector. An outside surface of a rotating body and an inside surface of a supporting reflector frame of the reflector are both one part of a sphere surface. The two components are assembled in a mode that the spheres share the same spherical center and are in rigid connection with each other by a ball to form a rotary assembly similar to a bearing. The rotating body can universally rotate in the supporting reflector frame. Therefore, under the driving of a linear voice coil motor, the invention can realize high-frequency rapid two-dimensional rotation of the rotating body in the reflector frame and guarantees working stability and reliability of the rapid control reflector. On the other hand, the loads of rotating parts including a plane mirror is rigidly supported by the supporting reflector frame through the ball, which greatly improves bearing capacity and environmental suitability of the rapid control reflector.

The invention discloses a micro-accelerometer and a preparation method thereof, belonging to the technical field of processing micro inertia devices. The micro-accelerometer is arranged on a package substrate which is formed by stacking an upper surface plate, a lower surface plate and a plurality of middle substrates, wherein a signal detection circuit of the micro-accelerometer is attached on the upper surface plate; a sensitive element of the micro-accelerometer is embedded in the middle substrates, i.e. the middle substrates with cavities form a frame of the sensitive element; a flexible hanger and a sensitive mass block of the sensitive element are arranged in the cavities, and one end of the flexible hanger is connected with the sensitive element, while the other end is fixed on the frame; metal electrodes are respectively sputtered on the sensitive mass block and the surface of the frame corresponding to the sensitive mass block so as to form a flat plate sensitive capacitor, or a metal piezoresistive thick-film pattern is deposited at a connecting part of the flexible hanger and the inner side surface of the frame so as to form a metal piezoresistive strain gauge. The micro-accelerometer has high sensitivity and high-temperature resistance and can be fused into a whole with a system level package substrate, thus the micro-accelerometer has low processing difficulty and cost.

The invention relates to a system and a method for remotely monitoring automobile tail gas. The system comprises a monitoring main machine, an automobile owner mobile phone, a tail gas detection vehicle-mounted terminal and a global position system (GPS), wherein the tail gas detection vehicle-mounted terminal and the GPS are installed on an automobile. The tail gas detection vehicle-mounted terminal comprises a tail gas sampling mechanism, a tail gas sensing mechanism and tail gas analyzing mechanisms, wherein a gas inlet of the tail gas sampling mechanism is connected with an exhaust pipe, a gas outlet of the tail gas sampling mechanism is connected with an automobile silencer, the tail gas sensing mechanism and the GPS are electrically connected with each tail gas analyzing mechanism, the tail gas analyzing mechanisms are connected with the monitoring machine through a wireless network, and the monitoring main machine is connected with the automobile owner mobile phone through the wireless network. The tail gas detection vehicle-mounted terminal sends tail gas detection data and automobile position data to the far-end monitoring main machine which screens out the automobile exceeding emission level of tail gas and frequently running in urban areas and sends warning and rectification information to the automobile owner mobile phone of the automobile exceeding emission level of tail gas. By means of the system and the method for remotely monitoring the automobile tail gas, real-time monitoring and warning on the automobile tail gas are performed, control to automobile tail gas emission is strengthened, and air quality is ensured to be improved.

The numerically controlled vertical high precision honing machine in the field of mechanical technology includes main shaft driving mechanism of vertical honing head, radial micro feeding mechanism of honing strip, high speed smooth honing head reciprocating mechanism, and digital control system. The connection mode includes vertical setting of the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip on the honing machine bed, connection between the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip via the feeding sleeve, and the connection of the high speed smooth honing head reciprocating mechanism to the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip via bearing. The present invention has the advantages of simple structure, reasonable layout, high stability and reliability, etc.

The present invention relates to a honing machine belonging to a mechanical technique field, including a spindle drive, a reciprocation drive mechanism, a work bench, a honing head feed mechanism, a honing head, a digital control system, and a pneumatic on-line measurement system; the honing head includes a main shaft, a set of coarse honing emery sticks and a set of micro honing emery sticks locating on the main shaft, the honing head is provided with a two-stage telescoping hydraulic cylinder which includes a first cylinder rod and a second cylinder rod, when the first cylinder rod is protruded, the coarse honing emery sticks are protruded outward to implement coarse honing under the action of the first cylinder rod, when the second cylinder rod is protruded, the micro honing emery sticks are protruded to implement micro honing under the action of the second cylinder rod; the work bench is provided with a first oil cylinder, the honing head is capable of moving up and down under the action of a cylinder rod of the first oil cylinder. The structure of the honing machine is simple, the layout is reasonable, the operation stability and reliability are all good, the machining precision is high, cost is low, and it is capable of implementing the honing machining of parts with an inner pore diameter from 10mm to 150mm.

The invention relates to a rigid load-bearing quick control reflector which belongs to the technical field of reflector devices; and the quick control reflector comprises a swing plate, a motor support seat, a locking nut, a round nut, four linear sound ring motors, a support base, a reflector base, a lens pressure plate, a plane reflector, a bearing pressure ring, a central shaft, a micro displacement sensor, a spherical support seat, a ball bearing, a limit nut, a limit screw and a joint bearing. A rotary body of the plane reflector and the support base are rigidly connected through the joint bearing; and the rotary body is rigidly supported by the ball bearing and the spherical support seat secondarily, so that the rotary body can universally rotate relative to the support base in the range of +/-25 degrees. Consequently, the high-frequency quick two-dimensional rotation of the rotary body can be realized under the driving of two pairs of linear sound ring motors which are distributed orthogonally, so that the working stability and reliability of the quick control reflector are improved; and simultaneously, a fully rigid support method improves the load bearing capability and the environment adaptability of the quick control reflector.

A brake control valve of an airplane is characterized in that two ends of a jet nozzle of a torque motor are communicated with those of a slide valve control cavity through an outlet of an orifice; the brake port of the brake control valve of the airplane is communicated with that of the slide valve through an oil line; a brake port oil filter is serially connected between the brake port of the slide valve and that of the brake control valve of the airplane; the oil inlet of a brake port pressure sensor is connected to the oil line between the brake port of the slide valve and the oil inlet of the brake port oil filter; the oil inlet is communicated with that of a change-over valve through the oil line; a solenoid valve is serially connected to the oil line between the oil inlet and that of the change-over valve; an inlet filter is serially connected between the solenoid valve and the oil inlet; the oil inlet of a flow controller is communicated with the oil outlet of the change-over valve through the oil line; and the oil inlet of the pressure sensor is communicated with the oil line at the outlet of the flow controller through a pipeline. The brake control valve has good working stability and reliability, and provides inlet pressure and outlet pressure signals.

The invention provides a micro rapid coin sorter comprising a container frame equipped with a transmission device, an arrangement device, a sorting device, a collecting and classifying device, a motor, and a hopper. The transmission device is arranged on the top of the container frame. The arrangement device and the sorting device are installed on the transmission device. The hopper is assembled on the top of the arrangement device. The outlet of the hopper is connected with the inlet of the arrangement device. The outlet of the arrangement device is connected with the inlet of the sorting device. The outlet of the sorting device is connected with the inlet of the collecting and classifying device. The micro rapid coin sorter may automatically sort coins with different specifications and achieve uninterrupted sorting and coin outgoing. When the micro rapid coin sorter is used, coins are poured into the hopper, stirred and arranged by an inner tooth pipe, and screened by a double-layer disc, thereby achieving sorting, collecting, and classifying integration. The sorted coins automatically drop into the container. The micro rapid coin sorter is small in size, compact in structure, high in sorting efficiency, fewer in errors, and easy and convenient to use and maintain.

The invention discloses a multi-functional underground dinting machine. The head part of a digging arm of the multi-functional underground dinting machine is connected with an operating head, while the tail part is provided with a support (2), a revolving device is arranged between the digging arm and a worktable, one end of a small arm (4) is rotationally connected with the operating head, while the other end is connected with a movable arm (5), a movable arm oil cylinder (6) is arranged above the small arm (4) and is communicated with an oil inlet pipe (10) and an oil return pipe (11) through a connecting pipe I(8) and an oil channel control valve (9) of an operating device, one end of a large arm (3) is rotationally connected with the movable arm (5), while the other end is rotationally connected with the revolving device, a large arm oil cylinder I(14) and a large arm oil cylinder II(15) are arranged above the large arm (3), and the large arm oil cylinder I(14) is communicated with the oil inlet pipe (10) and the oil return pipe (11) sequentially through a connecting pipe II(16), the large arm oil cylinder II(15) and the oil channel control valve (9) of the operating device.

The invention discloses a bearing tester solving the problems that a traditional bearing tester cannot favorably simulate the practical conditions of a bearing, and the measured data has poor accuracy. The invention adopts the technical scheme that the bearing tester comprises a stand, a mounting seat arranged on the stand and a rotating shaft penetrating into the mounting seat and a radial loading device arranged on the stand, wherein the radial loading device and the rotating shaft are connected through a conveyer belt. The bearing tester is characterized in that the stand is provided with the axial loading device which comprises a punch and a power mechanism, and the end part of the punch applies an axial load on the rotating shaft under the driving of the power mechanism.

The invention relates to a low-speed shaft brake energy-efficiency test board and a test method thereof. The low-speed shaft brake energy-efficiency test board comprises a base, wherein a variable-frequency driving motor is fixedly installed on the base, one end of the variable-frequency driving motor is connected with a rotating coder, the other end of the variable-frequency driving motor is provided with a front-section main shaft by virtue of a first coupler, the front-section main shaft is provided with a main shaft bearing, a main shaft brake disc and a plurality of inertia discs, the end socket of the front-section main shaft is connected with a rear-section main shaft by virtue of a second coupler, a plurality of inertia discs are also installed on the rear-section main shaft, a tail portion of the rear-section main shaft is provided with a brake mating part, and the rear end of the brake mating part is provided with a brake mating part replacing apparatus; and the base is also provided with an inertia disc control apparatus for controlling the connection and disconnection of the inertia discs. By adopting the low-speed shaft brake energy-efficiency test board, the application flexibility is improved, and the working reliability and convenience are improved.

The invention discloses petroleum drilling and production equipment, a drilling table surface manipulator and a pipe column support mechanism. The invention discloses the pipe column support mechanism, comprising a first grabbing rod, a second grabbing rod and a telescopic driving piece, wherein a first connecting rod and a second connecting rod are hinged between the first grabbing rod and a first end of the telescopic driving piece; a third connecting rod and a fourth connecting rod are hinged between the second grabbing rod and the first end of the telescopic driving piece; a fifth connecting rod is hinged between the first grabbing rod and a second end of the telescopic driving piece; a sixth connecting rod is hinged between the second grabbing rod and the second end of the telescopic driving piece; the first grabbing rod, the first connecting rod, the second connecting rod and the telescopic driving piece are formed to a parallelogram mechanism; and the second grabbing rod, the third connecting rod, the fourth connecting rod and the telescopic driving piece are formed to a parallelogram mechanism. The pipe column support mechanism is simple in structure, compact in space layout, accurate and quick in positioning in pipe grabbing and excellent in working reliability.

The invention discloses aluminum alloy and an LED lamp substrate applying the aluminum alloy. The aluminum alloy comprises the following compositions in percentage by weight: more than or equal to 0.5 percent and less than or equal to 12 percent of Si, more than or equal to 0.1 percent and less than or equal to 1.5 percent of Mn, less than or equal to 1.2 percent of Fe, less than or equal to 4.5 percent of Cu, less than or equal to 0.5 percent of Mg, more than or equal to 0.005 percent and less than or equal to 0.85 percent of RE, less than or equal to 0.5 percent of inevitable impurities, and the balance of Al, wherein the RE is selected from at least one of La, Ce, Nd and Yb. The LED lamp substrate is provided with a copper plate and an aluminum alloy plate, and the copper plate and the aluminum alloy plate are jointed into a whole through high pressure forming. The aluminum alloy has excellent thermal conductivity and high temperature antioxidation performance, and is suitable for manufacturing the LED lamp substrate. The LED lamp composite substrate completely solves the problems of deformation and oxidation caused by uneven thermal expansion coefficients of two materials for the substrate and a lamp shell in the prior art, and contributes to manufacture of high power LED lamps in low cost.

The invention discloses a wire rope loading performance nondestructive evaluation method which comprises the following steps of: utilizing the physical properties of wire rope component loading material and relatively low magnetic field intensity H to lead a wire rope component to have continuous and even small magnetic energy product; and identifying and extracting physical field change information of the loading material equivalently relevant to the mechanical property degradation single values such as bending, twisting and pulling resistance, and the like of the wire rope component by applying magnetic energy potential difference information analysis equipment in real time. The wire rope loading performance nondestructive evaluation technology realizes the tentative plan of comprehensive monitoring and real-time evaluation from the manufacturing completion of the wire rope component to the end of the security use value thereof, and provides an effective and feasible technical measure and a safety management technique mode for preventing man-made disasters and saving material resources, thus having very positive social benefit and extremely practical economic benefit.

The invention discloses a noise and vibration measurement system based on a virtual instrument technology, which is equipped with analogue signal input and analogue signal output. Signals can be input and output simultaneously or separately. An analogue signal can be input by two modes, i.e. IEPE sensor input and voltage signal input; and the output mode thereof is analogue voltage signal output. The input and the output are both connected with a data acquisition module through BNC wires, the data acquisition module is connected with a computer through a USB to input a sensor signal to the computer; and a computer software processing module integrates the following analysis and measurement modules: a spectrum analysis module, an octave band analysis module, a transfer function measurement module and a recorded signal viewing module.

The invention discloses a double-horizontal-shaft vibrating and stirring device with main blades and auxiliary blades. The double-horizontal-shaft vibrating and stirring device comprises a stirring barrel. Two stirring shafts are arranged in the stirring barrel. Each stirring shaft is sequentially provided with a pushing stirring tool, a plurality of main stirring tools and a return stirring tool in the axial direction. Each main stirring tool comprises the corresponding main stirring blade and the corresponding auxiliary stirring blade which are symmetrically arranged on the corresponding stirring shaft. During the rotation process of the stirring shafts, the directions of axial force and radial force which are generated on materials through the main stirring blades and the auxiliary blades are opposite. Vibration drive mechanisms meeting the dynamic balance condition are arranged on the stirring shafts, and can ensure forced vibration of the stirring shafts, stirring arms arranged on the stirring shafts, and the blades arranged on the stirring shafts. By means of the double-horizontal-shaft vibrating and stirring device, materials are fully stirred in the whole stirring barrel; and meanwhile low-efficiency stirring areas can be effectively eliminated, and the stirring quality and efficiency are improved.

The invention discloses an energy-saving type vibration exciter for a vibratory roller. The energy-saving type vibration exciter for the vibratory roller comprises first drive shafts and second drive shafts, and the first drive shafts and the second drive shafts are arranged in an interval mode. First connecting cranks extending upward are fixedly arranged on the first drive shafts, second connecting cranks extending upward are fixedly arranged on the second drive shafts, the first connecting cranks and the second connecting cranks are of the same length; fixing rods which are used for producing exciting force are fixedly arranged between the first connecting cranks and the second connecting cranks; and the fixing rods are parallel with the first drive shafts and the second drive shafts. The energy-saving type vibration exciter for the vibratory roller has the advantages of being simple in structure, reasonable in design, convenient to process, high in operational reliability, low in carrying out, good in operational stability, having long working life, being capable of reducing the energy in the vibration starting and vibration stop of the vibratory roller effectively, good in saving energy, good in practical applicability and high in popularization and application values.