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43results about How to "Simple adjustment process" patented technology

Central flue system and uniform flow distribution method thereof

The invention discloses a central flue system. The central flue system comprises range hoods, an outdoor control system and a check valve control system, wherein an air outlet of each range hood is incommunication with a public flue through a respective smoke pipe, an adjustable check valve is mounted in each smoke pipe, a flue fan is mounted in the public flue, the range hoods are unpowered range hoods, the outdoor control system is used for controlling the rotating speed or frequency of the flue fan, the check valve control system is used for adjusting the opening angle of a valve plate ofthe adjustable check valve, and the check valve control system and the outdoor control system can communicate with each other. The invention further discloses a flow uniform distribution method of thecentral flue system, an extractor hood of the central flue system is an unpowered extractor hood, the rotating speed or frequency of the flue fan is adjusted through the outdoor control system, the opening angle of the valve plate is controlled through the check valve control system, the flow uniform distribution method only needs to preset the preset angles of the valve plate under two differentstarting rates, uniform flow distribution can be ensured through judgment of the startup rate, and the adjustment process is simple and efficient.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Hough hinge capable of adjusting level angle and lateral displacement of trolley

The invention discloses a hough hinge capable of adjusting a level angle and a lateral displacement of a trolley. The hough hinge comprises a hinge shaft. Outer parts of two ends of the hinge shaft are respectively provided with an upper hinged support and a lower hinged support. The hinge shaft is arranged in the upper hinged support and the lower hinged support. A lantern ring is sleeved on outer ends of the upper hinged support and the lower hinged support so that the upper hinged support and the lower hinged support are fixed with each other. Covers are fixed to two end surfaces of the hinge shaft respectively by bolts. The hough hinge is characterized in that two sides of the top of the upper hinged support and/or two sides of the bottom of the lower hinged support respectively and radially extend outward to form side plates; each one of the side plates is provided with a through-hole; bolts pass through the through-holes; the through-hole surrounds a bolt track; and positions of the bolts can be adjusted freely. The lower hinged support is fixed to the trolley by a bolt fixing method and thus new homotopic difference and corner difference are not produced by welding thermal deformation. A level angle and a lateral displacement of the trolley can be adjusted by adjusting positions of the bolts in the long through-holes of the lower hinged support so that rail gnawing is prevented.
Owner:ELEPHANT KING HEAVY IND

Carton continuous conveying adjustment device for multiple length specifications

PendingCN107892040AReduce labor intensity and timeSimple adjustment processPackagingWrenchEngineering
The invention discloses a carton continuous conveying adjustment device for multiple length specifications. The device comprises an inner side conveying module and an outer side conveying module; theinner side conveying module and the outer side conveying module are fixedly arranged on an inner side mounting plate and an outer side mounting plate; common spline main shafts are arranged at the right ends of the inner side conveying module and the outer side conveying module; the spline main shafts are driven through driving wheels, and provide power to the inner side conveying module and the outer side conveying module; front and back slide base sleeves are arranged on the outer side mounting plate; the spline main shafts are connected with the outer side mounting plate through an outer side connecting base and an outer side main shaft spline sleeve; spline secondary shafts are connected with the outer side mounting plate through secondary shaft spline sleeves; the main shaft spline sleeves and the secondary shaft spline sleeves can slide on the spline main shafts and secondary shafts; front and back fixed arms penetrate through the front and back slide base sleeves to fixedly connect to the inner side mounting plate and a fixed plate; internal hexagonal spanner adjusting holes are formed in outer ends of screw rod main shafts; and the purpose of continuously conveying carbonswith multiple length specifications is achieved through adjusting a distance between the outer side conveying module and the inner side conveying module.
Owner:SHANGHAI TOFFLON SCI & TECH CO LTD

Method and structure for hoisting prefabricated external wallboards

The invention discloses a method and structure for hoisting prefabricated external wallboards. The method for hoisting the prefabricated external wallboards aims to overcome the defects that in the prior art, in the elevation adjusting process of hoisting the prefabricated external wallboards, the prefabricated external wallboards are required to go up and go down together, due to the fact that the weight of the prefabricated external wallboards is large, going up and going down are difficult, and the construction efficiency is low. The elevation of the upper layer prefabricated external wallboard is determined by utilizing cooperation of hoisting end threaded holes of the lower layer prefabricated external wallboard and flat angle bolts. The structure for hoisting the prefabricated external wallboards is further provided and comprises the lower layer prefabricated external wallboard, the upper layer prefabricated external wallboard and the flat angle bolts, the hoisting end threaded holes are formed in the lower layer prefabricated external wallboard, the flat angle bolts are in threaded connection with the hoisting end threaded holes of the lower layer prefabricated external wallboard, the distance from the upper end faces of the flat angle bolts to a datum plane is the same as the predetermined elevation of the upper layer prefabricated external wallboard, and the bottom face of the upper layer prefabricated external wallboard is in contact connection with the upper end faces of the flat angle bolts. According to the method and structure for hoisting the prefabricated external wallboards, the adjusting process is simple and lightweight, and the method and structure for hoisting the prefabricated external wallboards is suitable for being used during hoisting of the prefabricated external wallboards.
Owner:深圳市鹏城建筑集团有限公司 +1

Carton continuous conveying and adjusting device adapted to various width specifications

PendingCN107902169AReduce the time and labor intensity of changing specificationsSimple adjustment processPackagingPaper recyclingSide chainSprocket
Disclosed is a carton continuous conveying and adjusting device adapted to various width specifications. The carton continuous conveying and adjusting device includes three sets of sprocket transmission mechanisms of the outer side sprocket transmission mechanism, the middle sprocket transmission mechanism and the inner side sprocket transmission mechanism. The three sets of sprocket transmissionmechanisms are connected with one another in sequence through a spline spindle and a spline auxiliary shaft which are arranged in parallel and at intervals. The outer side sprocket transmission mechanism provides power transmission for the spline spindle and the spline auxiliary shaft. The spline shaft transmits power to the spline auxiliary shaft through an outer side chain, a middle chain and aninner side chain. The outer side chain is arranged on a main sprocket and an outer side transition sprocket. The middle chain is arranged on an outer side connecting sprocket and a middle transitionsprocket. The inner side chain is arranged on an inner side connecting sprocket and an inner side transition sprocket. The middle sprocket transmission mechanism adjusts the spacing between two sets of first limiting parts connected to two synchronous belts with attachments correspondingly on an outer side conveying assembly, the inner side sprocket transmission mechanism adjusts the spacing between the two sets of first limiting parts fixed to the two synchronous belts with the attachments of an inner side conveying assembly, and finally the purposes of adjusting and adapting to the width ofdifferent specifications of cartons are achieved.
Owner:SHANGHAI TOFFLON SCI & TECH CO LTD

Mounting bracket for hydrological-engineering-environmental geological environment monitoring equipment

The invention relates to the field of hydrological-engineering-environmental geological environment monitoring, in particular to a mounting bracket for hydrological-engineering-environmental geological environment monitoring equipment, which comprises a carrier plate, wherein the carrier plate is of a circular structure, three supporting mechanisms are mounted at the edge of the lower end of the carrier plate at equal intervals, and a second screw is fixedly connected to the middle of the lower end of the carrier plate; and the circumferential outer wall of the middle part of the second screw is sleeved and in threaded connection with a screw sleeve. The upper end of the carrier plate is connected to a placing mechanism through a movable shaft, a sliding ring provided with a first magnet ring is mounted on a carrying disc of the placing mechanism, the first magnet ring corresponds to a second magnet ring mounted on the carrying plate; during use, monitoring equipment can be fixed in the placing groove in the carrying disc, then the carrying disc is rotated, so that the angle of the monitoring equipment is adjusted; Then the first magnet ring is attracted to the second magnet ring, the position of the carrying disc is fixed, then the alignment direction of the monitoring equipment is fixed, the monitoring equipment does not need to be moved in the process, and therefore, the situation that the monitoring equipment inclines is avoided.
Owner:山东省地质矿产勘查开发局第四地质大队

Refrigerating system for refrigerating and freezing device and refrigerating and freezing device with refrigerating system

The invention provides a refrigerating system for a refrigerating and freezing device and the refrigerating and freezing device with the refrigerating system. The refrigerating system comprises a refrigerating assembly and an attachment assembly, wherein the refrigerating assembly is provided with a compressor and a plurality of evaporators which form a refrigerating loop; the attachment assembly is connected to the refrigerating loop and provided with a plurality of evaporation switching valves arranged in one-to-one correspondence with the evaporators and a plurality of evaporation bypass pipelines arranged in one-to-one correspondence with the evaporators; each evaporation switching valve is provided with a valve port used for communicating with the corresponding evaporator and a valve port used for communicating with the corresponding evaporation bypass pipeline; and each evaporation switching valve is configured to adjust a refrigerant flowing path flowing through the evaporation switching valve by adjusting the opening and closing state of each valve port of the evaporation switching valve, so that the working state of the corresponding evaporator is adjusted. The structure of the refrigerating system is improved, the flowing paths of refrigerants are diversified through the attachment assembly, and therefore the working state of each evaporator can be independently adjusted conveniently.
Owner:QINGDAO HAIER REFRIGERATOR CO LTD +1

Infrared laser lamp device for uniformly illuminating road surface

An infrared laser lamp device for uniformly illuminating a road surface belongs to the field of semiconductor illumination and comprises a driving circuit board, a fan, a mechanically packaged shell, a semiconductor laser tube and a lens. Optical fibers are adhered on the surface of the semiconductor laser tube, after the angle of light emitted from the semiconductor laser tube is shaped by the optical fibers, fast axis light is compressed to form a rectangular light spot, wherein a fast axis diffusion angle of the rectangular light spot is 10 degrees while a slow axis diffusion angle of the rectangular light spot is 8 degrees, and after receiving the rectangular light spot, the lens uniformly projects the light to the ground in the distance. The lens with a free curved surface distributes energy of laser light beams, is designed according to an energy corresponding mode, and can guarantee that the energy is uniform in a road surface illumination range under the condition that an illuminator is placed horizontally. The laser illuminator with a free curved surface is simple in adjustment process, and only needs to be placed horizontally, a downward pitching angle does not need to be adjusted, the light beams can naturally deflect downwards to illuminate the road surface, adjustment time is shortened, and installation cost is lowered.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Constructional engineering basement pipeline laying casing pipe groove arrangement digging device

The invention relates to a constructional engineering basement pipeline laying casing pipe groove arrangement digging device, and the device comprises an L type guiding mechanism and two sets of moving blocks arranged in the L type guiding mechanism in sliding form, a link mechanism is arranged between the moving blocks, two ends of the link mechanism are respectively in hinge joint with the moving blocks, and back surfaces of the moving blocks are provided with detachable slotting mechanisms. In the constructional engineering basement pipeline laying casing pipe groove arrangement digging device, the two sets of moving blocks are connected together through the link mechanism, when one set of moving block drives the slotting mechanism to move, the other set of moving block moves with the previous set of moving block under action of the link mechanism, thus, simultaneous slotting of a horizontal groove and a vertical groove is realized, and slotting efficiency is improved. According tothe constructional engineering basement pipeline laying casing pipe groove arrangement digging device, by a guiding function of an L type through hole to the moving blocks, and the grooves formed by the slotting mechanism can be more straighter; and in the constructional engineering basement pipeline laying casing pipe groove arrangement digging device, by rotation of a rotating rod, a cutting disk of corresponding width can be rotated to a position of a transmission shaft, thus, grooves of different width can be formed, and an adjusting process of width of the cutting disk is simplified.
Owner:ANHUI HUALI CONSTR GRP

Vibration aging process parameter optimization method based on BP neural network

InactiveCN113564341AHigh mapping abilitySimple adjustment processMachine learningEngineering
The invention discloses a vibration aging process parameter optimization method based on a BP neural network. The method is characterized by comprising the following steps that an orthogonal experiment design method is adopted to formulate a vibration aging experiment scheme, a vibration aging experiment is carried out, and experiment data are obtained; dimension normalization processing is carried out on obtained data sample sets respectively according to different parameter categories, and the data sets are divided into two parts, namely a training sample and a test sample according to a certain proportion; the BP neural network is trained and tested by using the data subjecte to dimension normalization; and according to errors of residual stress values obtained through tests and experiments, weights and threshold values of all layers of the network are corrected till a relative error mean value of a predicted value and an actual value is smaller than a set value, an optimal technological parameter combination is obtained, and finally the vibration aging technological parameter optimization method based on the BP neural network is formed. The method has the advantages that a vibration aging process parameter adjusting process is simplified, and the optimal process parameters are obtained.
Owner:SHANGHAI MARITIME UNIVERSITY

Asymmetric half-bridge stepless power regulation device and method

The invention provides an asymmetric half-bridge stepless power regulation device and method. The asymmetric half-bridge stepless power regulation device comprises: a power regulation signal generation circuit used for providing a power regulation signal; a square wave signal generation circuit used for generating and outputting a first square wave signal and a second square wave signal which are complementary; a time sequence modulation signal generation circuit used for receiving the power regulation signal and generating a first time sequence modulation signal and a second time sequence modulation signal; a first modulation circuit used for receiving the first square wave signal and the second time sequence modulation signal and modulating to generate a first power switch tube driving signal; a second modulation circuit used for receiving the first square wave signal and the first time sequence modulation signal and modulating the first square wave signal and the first time sequence modulation signal to generate a third square wave signal; and a signal combination processing circuit used for modulating and generating a second power switch tube driving signal. Continuous stepless adjustment of the asymmetric half-bridge output power is realized.
Owner:东莞声索电子有限公司
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