124results about How to "Meet flatness requirements" patented technology

The invention relates to a fiber-reinforced plaster-free dismantle-free integrated heat-preservation template and an exterior wall heat-preservation construction process. The heat-preservation template is formed by compounding an expandable polystyrene (EPS) aggregate layer on the surface on one side of a fiber concrete plate. The process comprises the following steps that: a fiber concrete template and a fiber concrete composite heat-preservation template are vertically fixed on the two sides of the position of a pre-built wall body respectively, wherein the fiber concrete template and the fiber concrete composite heat-preservation template are fixed together through pull bolts; and reinforcements are arranged and concrete is poured between the fiber concrete template and the fiber concrete composite heat-preservation template, so that a reinforced concrete bearing wall body is formed. The integrated permanent dismantle-free heat-preservation template meets the requirements on heat preservation of an exterior wall and flatness of a plaster layer in place of the exterior wall template, an outer heat-preservation layer and the plaster layer. In the process, the template is not required to be removed, the heat preservation, heat insulation and water proofing performance are good, the thickness of the wall body is reduced, a great amount of materials and labor are saved, the construction period can be shortened, and the energy conservation requirement and the requirements on adhesion between the permanent template and a basic layer and flatness of a surface layer can be met. The template is suitable for high-rise and small high-rise buildings; the dwelling environment can be improved; the building function quality is improved; the building development benefit is improved; and the template has a wide application prospect.

The invention provides a method for detecting the planeness of a PCB based on a network projection. The method comprises the steps that the PCB is put on a horizontal operating platform; a light source over a dam board, and the dam board are installed over the PCB; a camera is installed in an included angle of 60 degrees formed between a side and the horizontal operating platform; the light source projects the shadow of a standard grid on the dam board on the PCB by the dam board; the camera takes a picture of the shadow of the grid on the PCB from the included angle of 60 degrees. An analysis device comprising a picture processing device and a data processing device analyses the picture taken by the camera so as to decide whether the PCB meets the requirement of the planeness. The method provided by the invention simply and accurately realizes the detection of the planeness of the PCB.

The invention belongs to the technical field of vehicle-borne radars, and particularly relates to a high-mobility large-scale radar vehicle. The radar vehicle comprises an assembling platform and an electronic equipment cabin, wherein leveling supporting legs are arranged on the lower plate surface of the assembling platform; a fixed antenna and a folded antenna are arranged at the electronic equipment cabin; the folded antenna is driven by a hydraulic driving assembly, so that two position conditions of withdrawing and unfolding are generated along a vertical surface; when the folded antenna is under a withdrawing condition, the antenna plate surface of the folded antenna is vertically arranged, when the folded antenna is under an unfolding condition, the antenna plate surface of the folded antenna is horizontally arranged, and the antenna plate surface of the folded antenna and the antenna plate surface of the fixed antenna are in the same plane; and the radar vehicle also comprises a servo control system and an electric generating system. According to the high-mobility large-scale radar vehicle disclosed by the invention, the situation that the width and the height are not exceeded during the transporting of radar antennas can be guaranteed, functions of quick erecting and quick removing of an antenna array surface can also be realized, and finally, the high mobility of the ground vehicle-borne radar is guaranteed.

The present invention provides an economically feasible robust spatial heterodyne spectroscopy (SHS) interferometer. A first type prior art monolithic SHS interferometer is exceedingly expensive, whereas a second type of prior art SHS interferometer is extremely large and has many components, which need to be tuned. The present invention is much less expensive than the first type of prior art SHS interferometer and is much smaller that the second type of prior art SHS interferometer.

The invention discloses a super-long and large horizontal embedded part reverse construction method. The method comprises the following steps: constructing a concrete equipment foundation; reserving an anchoring junction and a secondary casting layer in a corresponding range; embedding an embedded part; and performing secondary casting after leveling. According to the method, since repeated reinforcement, calibration and fixation work at the early stage are saved, the secondary casting can be performed by only arranging the embedded part after completion of primary casting; and thus, the investment in engineering resources such as labor and measure materials can be greatly saved, and the construction progress can be improved by 30-40 percent.

A shearing method for a thin plate including forming a protruded product part having a first sagging part when the thin plate with a thickness of up to approximately 5mm is performed with a half die cutting by pressing the half die cutting punch slightly larger than the half die cutting hole to form a shallow recessed part, fixing the product part by a fixing member, forming a second sagging part at an edge portion of the thin plate by pressurizing a scrap part by moving a pressure punch which is provided with a gap between the fixing member and the pressure punch and by being bent between the scrap part and the product part, and then separating the scrap part from the product part.

The invention relates to a brace rod sliding groove type hydraulic flat digging grab bucket which comprises an upper bearing beam, a lower bearing beam and a bucket body. The upper bearing beam is connected with the lower bearing beam through an open and closed bucket oil cylinder, the bucket body is hinged to the lower bearing beam, the upper bearing beam is provided with a brace rod sliding unit, the brace rod sliding unit comprises a brace rod sliding oil cylinder and a brace rod, one end of the brace rod is hinged to the bucket body, and the other end of the brace rod is connected with the brace rod sliding oil cylinder. The brace rod sliding groove type hydraulic flat digging grab bucket further comprises a hydraulic control device, and the hydraulic control device controls work of the open and closed bucket oil cylinder and the brace rod sliding oil cylinder. The brace rod sliding groove type hydraulic flat digging grab bucket has the advantages that the brace rod sliding groove type hydraulic flat digging grab bucket is simple in structure and convenient to operate, an excavated seabed or river bed can be flattened so as to meet the flatness requirements in engineering operation, the maximum opening and the maximum excavating depth of the grab bucket can be changed conveniently, the operation requirements of different working conditions can be met, and popularization and application values are large.

The invention relates to automatic welding equipment for a fillet weld of sheets, which is used for welding two structures with an included angle of 90 degrees. The automatic welding equipment is characterized in that in a fillet long-side structure I, a base plate is fixed on the horizontal plane of a support, a motor, a sliding rail, a slide block and a regulating mechanism for connection are installed on the base plate, a 30-degree gradient contact line is formed between a welding gun aslant installed on the regulating mechanism and a weldment heat exchange sheet on a middle horizontal plane, a weldment assembly supports the space to be welded of the heat exchange sheet, the base plate and two long ends of a press plate are clamped by nuts, the entire weldment assembly is laterally fixed by a lining board bolt, and the motor and an argon arc welding gun are started to automatically complete welding operation. A fillet wide-side structure II is characterized in that: a support for fillet wide-side welding is separated from a weldment base, the high side of a triangular support is fixed with the vertical face of an outer frame, and a bedplate is additionally arranged. The automatic welding equipment provided by the invention has the advantages that: the requirements on the strength and appearance quality of the welded seam and the flatness and verticality of the sheets can besatisfied; the characteristics of excellent formed welded seam, time/labor-saving performance, low labor intensity and high welding efficiency are achieved; and the operation is simple and convenientand the reliability is high.

The invention discloses an automatic adjustment method for smoothness of a cutting path of a roller of a coal cutter in real time. The method comprises the following steps of establishing a static reference coordinate system according to original data of a dip angle of a coal cutter body; and during an operation process of the coal cutter, taking the static reference coordinate system as a reference standard, establishing a dynamic operation coordinate system, and automatically controlling a rocker arm of the coal cutter in real time according to a derivative control principle, so that the roller of the coal cutter is subjected to automatic height-adjustment continuously, and the roller is ensured to be operated continuously and stably. According to the method, a derivative control system is adopted, so that the cutting path of the coal cutter can be kept to be operated in a smooth path, the pushing and the waling of other equipment are favored, the continuousness and the production efficiency of coal cutting are improved, favorable operation mode and smoothness of coal cutting equipment are maintained, the risk of accident occurrence is reduced, and the method is simple and easy to implement, and can meet the requirements of smoothness of the cutting path of the coal cutter under the condition of different coal beds.

The invention discloses a method for additive manufacturing of a glass substrate PCB and an LED display. The method comprises the steps of printing conductive copper paste on a glass substrate according to the circuit design requirements, and forming a conductive circuit with the controllable line width. According to additive manufacturing of the glass substrate PCB, copper paste can be preciselyprinted on glass through the silk-screen printing technology to form a copper conductive circuit, the characteristic of high heat conduction of the glass substrate can be brought into play. Meanwhile,a conductive circuit with the line width of 50 micrometers or below can be printed, and the paste contains extremely low organic residues after sintering, and good adhesive force (greater than 2N/mm)is achieved.

The invention relates to a vehicle explosion-proof keyboard lock control device. The vehicle explosion-proof keyboard lock control device comprises an explosion-proof case body arranged on an oil tank of an oil tank truck; the explosion-proof case body is composed of a housing and a front end cover, wherein one end of the housing is provided with an opening, the front end cover is arranged on the opening, and the housing and the front end cover are connected via sealing connection; a keyboard panel, a main control panel, and connecting wire are arranged in the explosion-proof case body; the keyboard panel is arranged on the front end cover, and an information output terminal of the keyboard panel is connected with the main control panel; the main control panel is connected with an oil outlet clock of the oil tank truck, and is used for controlling the oil outlet clock to open or close; and digital code is inputted into the keyboard panel, and is transferred to the main control panel so as to control the oil outlet lock for unlocking operation. A novel safe unlocking method is provided for an oil tank trunk monitoring system; the vehicle explosion-proof keyboard lock control device can be used when network breaks or a radio frequency card is lost, and opening of the oil outlet is in urgency; effective on-site operation is realized; and the vehicle explosion-proof keyboard lock control device is of great significance on solution of emergent events and ensuring vehicle and personnel safety.

The invention discloses a flat tube necking machine. The flat tube necking machine comprises a machine table and necking puncher pins arranged on the machine table. The machine table is further provided with a steel supporting needle. One end, provided with supporting needles, of the steel supporting needle is arranged between the necking puncher pins. The structure is simple, a flat tube which is cut in the fixed length is placed on the necking machine, the supporting needles of the steel supporting needle are inserted into micro holes of the flat tube, and width necking is carried out. In this way, in the punching necking process, due to the limitation on the pipe wall of the supporting needles, inward collapse cannot be carried out, the outer side is a cold punching forming mold, and only heading can be carried out. The flat necking surface is obtained, and the flatness requirement for brazing can be met.

The invention discloses an intermediate infrared super-continuum spectrum laser device for outputting flat spectra.The intermediate infrared super-continuum spectrum laser device consists of a main controller, a pumping source module, an annular laser device module and a super-continuum spectrum generating and monitoring module.The main controller sends out an instruction to start three semiconductor laser units and a wide-spectrum spectrograph.A power controller is used for power adjustment of power amplifiers of the three semiconductor laser units.A frequency controller is used for adjusting the working frequencies of a first pulse generator, a second pulse generator and a third pulse generator.Spectrum widening of three-wavelength ultra-short femtosecond laser pulses is performed by a ZBLAN optical fiber, then the wide-spectrum spectrograph performs flatness analysis, and an analysis result is sent to the main controller for analysis.The intermediate infrared super-continuum spectrum laser device has the advantages of being capable of outputting intermediate infrared flat super-continuum spectra and meeting the demands on the aspects of accurate and quantitative wide-spectrum analysis and the like.

The invention discloses a thermally or electrically conductive paste smearing device and a smearing method. The device comprises a control surface device and a positioning device. The control surface device comprises a mesh surface with a smearing pattern, and a mesh frame fixing the mesh surface. The positioning device comprises a positioning rack used for fixing the control surface device on the positioning device, a positioning plate arranged on the bottom of the positioning rack, and a positioning block arranged on the positioning plate and used for fixing an object to be smeared. The invention also discloses a thermally or electrically conductive paste smearing method adopting the smearing device. The object to be smeared is fixed in the smearing device and is positioned under the mesh surface; a proper amount of the thermally or electrically conductive paste is arranged on the mesh surface; and the paste is evened by smearing. With the smearing device and method provided by the invention, paste levelness, uniformity, thickness, and smearing area can be controlled, such that electronic device conductivity can be ensured, and product reliability and consistency can be improved.

The present invention relates to a novel processing method for a sealing strip with characteristics of fire resistance, smoke resistance and sound isolation. The method comprises: preparing raw material particles used for two parts, and forming a mixing material I and a mixing material II, wherein the two parts are a hard bottom plate and a soft wing; cooling by using conical twin screw granulation equipment, and processing into particles respectively at a temperature of 150 DEG C and under 20 Mpa; and preparing two single screw extrusion equipment, respectively adding the particles of the two parts, connecting the mold, and preparing the finished product through the mold. The method of the present invention has the following beneficial effects that: the firm adhesion of the bottom and the soft wing can be ensured, the efficiency is high, the product quality is good, the structure of the produced product is stable, and the new shape structure which can not be produced by the traditional process method can be produced.

The invention relates to a concrete pavement overall vibrating device and method. The concrete pavement overall vibrating device comprises a frame body, traveling wheels, a leveling roller, a vibrating roller, operation hand grabs and traveling rails. The traveling wheels are arranged on the two sides of the frame body correspondingly, the leveling roller and the vibrating roller are arranged at the bottom of the frame body in a height-adjustable mode, and the axes of the leveling roller and the vibrating roller are both parallel to the rotating axes of the traveling wheels; the leveling roller is filled with sandy soil, and a vibrating motor is arranged in the vibrating roller; and the traveling rails and the traveling wheels are arranged correspondingly, and the operation hand grabs arearranged on the two sides of the frame body for manually pushing the frame body to move along the traveling rails. A concrete pavement with at least one lane width can be overall vibrated, and vibrating is completed at a time, so that manpower is saved, and the working efficiency is improved greatly.