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107results about How to "Free assembly" patented technology

Durability test bed for automobile door

The invention provides a durability test bed for an automobile door and belongs to the field of measuring techniques. The durability test bed solves the problem that an existing test bed device can only detect the opening and closing frequency when an automobile door hinge or an automobile door lock reach a scrap state. The durability test bed for the automobile door comprises an upper computer, a force sensor, a base plate and a swing arm, wherein one end of the swing arm is hinged to the base plate provided with a cylinder capable of driving the swing arm to swing, and the other end of the swing arm is connected with a push-pull component; a cylinder piston rod is connected with the swing arm through the force sensor; the part where the swing arm and the base plate are hinged is provided with an angle sensor capable of detecting the size of swinging angle of the swing arm; the angle sensor and the force sensor are both in electric connection with the upper computer. In the durability test bed for the automobile door, the angle sensor and the force sensor are installed; test frequency, force and speed are controlled, adjusted and recorded through the upper computer and a PLC so as to be analyzed and determined by testers and designers, and meanwhile the durability test bed is capable of outputting and printing test report data.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Plunger lift assembly with an improved free piston assembly

An improved free piston assembly for use in combination with a plunger lift assembly is provided. The improved free piston assembly includes a sleeve member, a flow restriction member, and retention means. In some embodiments of the invention the sleeve member has an inner surface that is contoured to provide a seat for the flow restriction member during lifting operations. The flow restriction member can be a ball held in the interior of the sleeve by retention means capable of overcoming the force of gravity but at the same time designed to release the flow restriction member when a rod of the plunger lift assembly contacts the flow restriction member. In one embodiment of the invention the retention means is a plurality of inwardly biased spring loaded held in place by a retention ring that is fittably received by a groove in the exterior surface of the sleeve. In other embodiments of the invention the retention means are in the form of a raised lip or a retention sleeve.
Owner:ENDURANCE ELEVATOR SOLUTIONS LLC

Photoelectric continuous liquid level measuring method and device

The invention provides a photoelectric continuous liquid level measuring method and a photoelectric continuous liquid level measuring device. The photoelectric continuous liquid level measuring method comprises the steps of driving a current sensor monomer from bottom to up to detect the light intensity fed back from the position of the sensor monomer under the control of a sensor module; carrying out analog-digital conversion on a voltage corresponding to the detected light intensity; determining the liquid position of the position of the current sensor monomer according to the corresponding relationship of a preset liquid level and the analog-digital data; and after the measurement of the liquid level of the position of other sensor monomers under the time-sharing control of corresponding sensor modules is accomplished, summarizing the liquid level of each sensor monomer to the front end of a transmitter interface through data transmission between modules; and obtaining a total liquid level of the current liquid after analysis and process and outputting the liquid level in specified interface mode. The device adopts the modular construction which is assembled and positioned freely according to the requirement of the measuring range, the applicability of different measuring ranges is improved, and the transportation is convenient; and furthermore, the real time self-correcting function is provided, and the capability of pollution resistance and shifting is improved.
Owner:POLYMER (SUZHOU) SENSING TECH CO LTD

Light-compensating assemble type household vegetable garden planting device

The invention discloses a light-compensating assemble type household vegetable garden planting device, and relates to the technical field of indoor planting. The device is characterized by comprising a photovoltaic panel, a storage battery, a microcomputer controller, a minitype pump, an LED light-compensating lamp, an ultraviolet sterilization lamp and a planting table, wherein the photovoltaic panel is electrically connected with the storage battery; the storage battery is electrically connected with the microcomputer controller; the microcomputer controller is electrically connected with the minitype pump, the LED light-compensating lamp and the ultraviolet sterilization lamp through conducting wires respectively; the planting table comprises a trough and a frame body; the frame body is arranged at the upper part of the trough; the minitype pump is arranged in the trough; the water outlet nozzle of the minitype pump is positioned at the top of the frame body; the LED light-compensating lamp and the ultraviolet sterilization lamp are arranged at the top of the frame body or the lateral side of the frame body. The device can realize efficient continuous operation through solar energy and implement automatic watering, is convenient for use, environment-friendly and healthy, can improve the indoor environment for planting vegetables, and is small in occupied area, convenient for gardening, large in available planting area, and good in vegetal growth.
Owner:AGRI ENG INST ANHUI ACADEMY OF AGRI SCI

Vibrating table testing method suitable for rock and soil slopes and model box

The invention discloses a vibrating table testing method suitable for rock and soil slopes and a model box, and belongs to the field of experimental equipment. The vibrating table testing method comprises the following steps: determining the type of a to-be-tested model slope, and assembling the model box according to the type; building a slope die body corresponding to the type by utilizing the assembled model box; standing the built slope die body in the model box for 1 to 2 days; installing the model box with the slope die body by utilizing a vibrating table, and loading a corresponding seismic waveform. The model box is formed by assembling a base, an enclosure structure, a trapezoidal framework, horizontal stiffening ribs, a longitudinal stiffening rib, a hollow square pipe and a wall body. According to the model box disclosed by the invention, the functions of a laminar shear model box and a rigid model box can be respectively realized by regulating the tightness of the hollow square pipe arranged at the rear side of the model box, the model box can be respectively applied to vibrating table testing of soil and rock slopes, the side wall body is transparent, the slope die body can be conveniently manufactured, the damage situation of a test can be observed, and meanwhile, the model box has the characteristics that disassembling and assembling can be freely carried out, and the operation is flexible.
Owner:CHONGQING UNIV

Goal recognition system and method for recognizing a goal

A system and a method for goal recognition, in which a plurality of cameras monitor a goal line plane that is generated by a framework for a goal, wherein at least one camera module is provided which can be used to monitor a sector outside the goal laterally adjacent to the framework or in front of the framework in the direction of a playing field in order to determine a trajectory for a playing body in the region of the playing field in the direction of the goal, wherein the operation of the cameras for monitoring the goal line plane and / or the evaluation of the image data therefrom can be controlled on the basis of the image data from the camera module.
Owner:PIXARGUS

Waveguide filter and manufacturing method thereof

ActiveCN110011014AExtended parasitic-free stopband bandwidthSuppression of high-order resonance modes of electromagnetic wavesWaveguide type devicesSelective laser sinteringResonance
The invention discloses a waveguide filter, and relates to the field of electromagnetic field and microwave technologies. The waveguide filter comprises a first waveguide flange plate, a second waveguide flange plate, a first waveguide, a second waveguide and four hemispherical resonators, wherein the cavity wall of each hemispherical resonator is provided with a through rectangular groove which is used for suppressing a high-order resonance mode of electromagnetic waves in the hemispherical resonator so as to expand the spurious-free stopband bandwidth of the waveguide filter. The invention further discloses a manufacturing method of the waveguide filter. The structure of the waveguide filter is integrally printed by a selective laser sintering 3-D printer through adopting a metal powdermaterial, does not need assembly and debugging while achieving accurate processing and effectively improves the manufacturing efficiency.
Owner:SHENZHEN UNIV

Waveguide filter and manufacturing method thereof

The invention discloses a waveguide filter, which relates to the technical field of wireless communication. The waveguide filter includes a first waveguide flange, a second waveguide flange and a slotted circular waveguide. A rectangular groove is formed on the side wall of the slotted circular waveguide, which facilitates metal plating on the inner surface of the structure of the slotted circularwaveguide during the machining process, and reduces the quality of the waveguide filter. A manufacture method of the waveguide filter is also disclosed. The waveguide filter structure is integrally printed by adopting a non-metallic material through a stereo photolithography 3-D printer and metal plating of the whole inner and outer surface of the waveguide filter is realized, which realizes precise machining without assembling and debugging, effectively improves the manufacturing efficiency.
Owner:SHENZHEN UNIV

Modularized robot teaching system

The invention discloses a modularized robot teaching system. The modularized robot teaching system comprises a workbench, a work target, a modularized robot, a control system and a communication system, wherein the work target, the modularized robot, the control system and the communication system are mounted on the workbench; the modularized robot exchanges information with the control system through the communication system and is controlled by the control system; the work target is mounted on the workbench through a position changing machine; a visual angle device used for monitoring the work target is arranged on one side of the position changing machine, connected with the control system through the communication system and controlled by the control system; the position changing machine is connected with the control system through the communication system and controlled by the control system; the modularized robot is a tandem type modularized robot, mechanical mounting connectors between joints of modules are the same, and thus mutual replacement and free combination between the modules are achieved. The teaching system is high in operability, close to industrial production and high in practicability, and modules can be mutually replaced, conveniently dismounted and freely assembled, so that the universality is high, and secondary development is facilitated.
Owner:广东共创智能机器人有限公司

Platform hotel bed frame

A platform bed frame particularly adapted for hotel use is provided including a pair of slat supporting rails that have a plurality of cavities along the length of the slat supporting rails. A plurality of slats form a mattress supporting surface and span between the slat supporting rails and have end lower conforming surfaces that fit into the cavities to secure the slats to the slat supporting rails. There are side rails and end rails that snap onto the slat supporting rails so that the assembly of the platform bed frame can be accomplished without the use of tools. There are two component legs that also allow an adjustment of the height of the platform supporting platform between a high and a low position. In the low position a foundation may be included underlying the mattress and a lesser number of slats can be used.
Owner:POLEVOY RICHARD S +5

Detachable high-voltage connection structure and high-voltage connector

The invention discloses a detachable high-voltage connection structure, comprising a jack component and a contact pin component, wherein the contact pin component at least comprises a contact pin shell, a contact pin and a sealing sleeve; a groove is formed in the front end face of the contact pin shell; the middle part of the contact pin shell is provided with a mounting trough matched with a contact pin in shape; the contact pin is mounted in the mounting trough, a first wiring duct is formed in the rear part of the contact pin shell; a first high-voltage wire is connected with the contact pin via the first wiring duct; the jack component at least comprises a jack shell and a jack member; a second wiring duct is formed in the front part of the jack shell; a second high-voltage wire is connected with the jack member via the second wiring duct; a first tail sleeve is mounted on in the side wall of the first wiring duct in a sleeved manner; a second tail sleeve is mounted in the side wall of the second wiring duct in a sleeved manner. The first tail sleeve greatly improves the voltage-withstanding effect of the rear part of the contact pin component, can be freely inserted and pulled out and is convenient to replace; the second tail sleeve greatly improves the voltage-withstanding effect of the front part of the jack component, can be freely inserted and pulled out and is convenient to replace.
Owner:中国电子科技集团公司第四十研究所

Multi-coating composite material taking magnesium/magnesium alloy as matrix and preparation method of multi-coating composite material

The invention discloses a multi-coating composite material taking a magnesium / magnesium alloy as a matrix. The multi-coating composite material is of a laminar structure, and is composed of the magnesium / magnesium alloy matrix, a micro-arc oxidized film coating, a strong positive electricity precursor coating and a mixed coating in sequence from inside to outside; the mixed coating also comprises five layers and all the layers are stacked in sequence; one lower secondary layer is coated on one upper secondary layer; each layer is of a composite structure of a modified tin dioxide coating and a negative electricity polyelectrolyte coating, wherein the corresponding negative electricity polyelectrolyte coating is coated with the modified tin dioxide coating. The invention further discloses a preparation method of the multi-coating composite material; the preparation method comprises the following steps: a polishing treatment step, a pre-treatment step, a strong positive electricity precursor preparation step, a layer-by-layer assembling step of modified tin dioxide and a self-assembling step of the negative electricity polyelectrolyte and modified tin dioxide mixed coating. According to the multi-coating composite material, nano SnO2 is prepared and a preparation process is simple, easy to control and high in rate of finished products.
Owner:SHANDONG UNIV OF SCI & TECH

Large-scale MTS cyclic loading single multi-specimen test device and discreteness identification method

The invention discloses a large-scale MTS cyclic loading single multi-specimen test device and a discreteness identification method of the large-scale MTS cyclic loading single multi-specimen test device, and belongs to the field of experimental equipment. The large-scale MTS cyclic loading single multi-specimen test device comprises a base fixedly mounted in the position having a certain distance away from the lower part of an MTS loading head, a bearingplatform arranged above the base through telescopic supporting rods and comprising a lower panel, an upper panel and web plates, multiple specimen fixing devices annularly fixed at the center of the upper surface of the upper panel in uniformly distributed manners, and comprising sleeves and deformation layers, a load distribution device located between the MTS loading head and the specimen fixing devices and comprising a lower load plate and an upper load plate and a data acquisition system comprising axial force meters, collecting boxes and conducting wires. The large-scale MTS cyclic loading single multi-specimen test device can cyclically load multiple specimens simultaneously to save time, only when data collected by the corresponding collection boxes are consistent, the batch of the specimens can be considered to be tested under same conditions, and therefore, the discreteness of the test can be effectively lowered. Furthermore, the device has the characteristics of free disassembly and assembly and flexible operation.
Owner:CHONGQING UNIV

Double-layered fork-shaped radial gas hydrodynamic bearing based on 3D printing technology

The invention discloses a double-layered fork-shaped radial gas hydrodynamic bearing based on a 3D printing technology. The double-layered fork-shaped radial gas hydrodynamic bearing is composed of two main elements including an integrated variable material bearing body (1) and a top-layer foil sheet (2), wherein the top-layer foil sheet (2) is of a thin-wall non-sealed annular structure, an outward stretching structure is formed at an opening of the top-layer foil sheet (2), and the top-layer foil sheet (2) is fixed with an inner fork-shaped structure of the integrated variable material bearing body (1) by welding or sticking. The integrated variable material bearing body (1) is integrally printed to be molded by applying the 3D printing technology, is a variable material distributed entity, and is mainly composed of four parts including an inner fork-shaped structure (3), an inner annular non-closed structure (4), an outer fork-shaped structure (5) and an outer annular closed structure (6) from inside to outside. A double-layered fork-shaped complicated structure of the bearing can meet relatively large rigidity and can obtain a relatively large bearing capability. The structure has deformation of a plurality of positions and has relatively large damping, and furthermore, relatively large coulomb damping exits between the inner layer fork shape structure and the top-layer foil sheet in a working process, so that the bearing has a relatively strong anti-impact capability. The double-layered fork-shaped radial gas hydrodynamic bearing has a plurality of hollow structures, so that materials are saved, the cost is reduced, the heat dissipation can also be increased, and the temperature rising of the bearing under high-speed running is reduced.
Owner:HUNAN UNIV

Scuba mask structure and manufacturing process thereof

Disclosed are a scuba mask structure and a manufacturing process thereof. The structure includes an integrally-formed support section including at least one window section forming in one side thereof and having an edge that is distant from the window section and is coupled to a flexible attaching section that is also integrally formed in a two-side covering manner. In the manufacture, a mold is used to first make the flexible attaching section, which is then placed in another mold for processing, or alternatively, a multiple-material injection molding machine is applied to carry out automatic molding without removing the flexible attaching section, in which before the processing, a window section is placed in the mold to be processed simultaneously. Thereafter, a support section is formed in such a way that one side of the support section completely covers the window section and an opposite side coupled to the flexible attaching section.
Owner:LO HSIN YU

Unmanned aerial vehicle provided with modularized power system

The present invention provides an unmanned aerial vehicle provided with a modularized power system. The unmanned aerial vehicle comprises at least one modularized power system mounted on an unmanned aerial vehicle rack. Each modularized power system comprises a motor, an electronic governor, a power battery and a micro control unit mounted on a modularized power system housing, and the motor, the electronic governor and the micro control unit are connected in series to the power battery. The power system is modularized, so that the assembly of an unmanned aerial vehicle is more convenient and the assembly cost of the unmanned aerial vehicle is greatly reduced; the module set can be repeatedly used due to the convenience, and when the power module set is used, the power system module can be universally used even if aircrafts are different in shapes; and a higher degree of assembly can be realized, and the degree of freedom is higher.
Owner:张洋

Spectrum detection device of double-pulse excited magnetic field space dual-constrained reinforced plasma

The invention discloses a spectrum detection device of a double-pulse excited magnetic field space dual-constrained reinforced plasma. The device comprises a laser light source and a sample platform, wherein a magnetic component used for forming a magnetic field constraint around the sample platform is arranged on the side surface of the sample platform; the device is provided with a transparent space constrain cover which covers the sample platform; and a magnetic mirror is attached to the inner wall of the constrain cover. Three actions of double-pulse excitation, spatial constraint and magnetic field restriction are adopted, so that spectrum signal intensity of plasma can be greatly enhanced; and a detection environment is airtight, so that interference of other elements in air to a detection result can be effectively eliminated, and detection precision is improved.
Owner:ZHEJIANG UNIV

Piezoelectric inchworm rotating motor

The invention discloses a piezoelectric inchworm rotating motor which comprises a bottom plate for fixation, a first end cover and a second end cover vertically connected to the bottom plate, an output shaft disposed between the first end cover and the second end cover, and a sleeve fixed to the output shaft, wherein one side of the sleeve is provided with a first clamping portion and a first driving portion, and the other side is provided with a second clamping portion and a second driving portion. The sleeve is a connector for external output and is fixed to the output shaft to rotate synchronously with the output shaft. The first driving portion is internally provided with a first rigid rotating body that is rotated forward after being energized, the second driving portion is internallyprovided with a second rigid rotating body that is rotated reversely after being energized, the first clamping portion is rotated synchronously with the first rigid rotating body, and the second clamping portion is rotated synchronously with the second rigid rotating body. The piezoelectric inchworm rotating motor has a simple structure, the sufficient clamping and release and power-off clampingcan be achieved, and the 'single beat two steps' rotation of the output shaft can be achieved by the timing control of the first clamping portion, the second clamping portion, the first driving portion and the second driving portion.
Owner:NINGBO UNIV

Light-operated wave-absorbing active frequency selective surface

The invention discloses a light-operated wave-absorbing active frequency selective surface, which comprises an upper dielectric substrate, a middle metal back plate, a lower light feed plate, a metalarray patch, a photosensitive layer and a light feed layer, the metal array patch is arranged on the upper surface of the upper dielectric substrate and comprises a plurality of metal units which arearranged in a rectangular period; the photosensitive layer is arranged on the lower surface of the middle-layer metal back plate and comprises a plurality of photosensitive units in one-to-one correspondence with the metal units; and the light feeding layer is arranged on the upper surface of the lower light feeding plate and used for emitting white light with corresponding intensity to irradiatethe photosensitive surface of the photoresistor according to the magnitude of external voltage. The active control function of the frequency selective surface is realized by using a light control technology, the limitation of active lumped devices such as PIN tubes, varactors and the like on the frequency selective surface is eliminated, electromagnetic waves can be better controlled, and the frequency selective surface has important application prospects in the aspects of electromagnetic shielding, multifunctional equipment in a communication system and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Architecture implementation method and deployment method capable of being freely assembled and deployed in distributed and single environment

The invention provides an architecture implementation method and deployment method capable of being freely assembled and deployed in a distributed and single environment, and the method comprises thefollowing steps: S1, extracting a public interface, which comprises the steps: S11, obtaining a current login person interface; S12, performing global unified exception processing; S13, generating anHttp request log collection tool; S2, isolating a service function, which comprises the steps: S21, dividing a service domain boundary; S22, generating an API (Application Program Interface) and a Server implementation for each business domain; S23, calling interaction between the service boundaries through an API or observer mode; and S3, generating a distributed deployment plug-in. Through reasonable architecture and field division, the repeated development work of a single architecture is reduced, so that the cost investment is reduced.
Owner:厦门靠谱云股份有限公司

Automobile exhaust noise-abatement device

The invention discloses an automobile exhaust noise-abatement device. The device comprises a tail gas pipe and an air outlet pipe, and a first groove is formed in the upper portion of the interior ofthe tail gas pipe; a flat pipe is arranged on the left side of the interior of a water cooling pipe, and a second groove is formed in the middle of the interior of the flat pipe; a baffle is arrangedon the left side of a medicine box, and a clamping column is arranged on the left side of the baffle; a curved pipe is arranged on the right side of the interior of the water cooling pipe, and a silencing device is arranged inside the curved pipe; and a hole pipe is arranged inside the silencing device, and a first acoustic insulation board is arranged in the upper portion of the interior of the hole pipe; and the hole pipe is arranged on the left side of the air outlet pipe, and silencing cotton is arranged on the inner surface of the air outlet pipe. According to the automobile exhaust noise-abatement device, detaching is convenient, time and labor are relatively saved, the tail gas can be cooled, the situation that the service life of the noise-abatement device is influenced due to toohigh temperature is avoided, purification treatment can be carried out on the automobile exhaust at the same time, damage to the silencing device can be avoided, and vibration can be buffered.
Owner:盐城士联凯精密机电制造有限公司

Yellow phosphorus tail gas boiler with burning speed increasing function

The invention discloses a yellow phosphorus tail gas boiler with a burning speed increasing function. The yellow phosphorus tail gas boiler comprises a heat preservation layer, a burning box and a fixing block. Universal wheels are arranged on the lower portion of the heat preservation layer; handles are arranged the left ends of the outer sides of boiler doors; an outer covering box is arranged inside the heat preservation layer; a telescopic rod is arranged on the upper portion of the fixing block, and a transverse rod is arranged on the right side of a fixing rod; a gas outlet is formed inside the burning box, a second groove is formed in the middle inside the burning box, an oxygen injection pipe is arranged inside the second groove, and a leakage-proof cushion is arranged on the upperportion of the second groove; and a valve is arranged inside the oxygen injection pipe, and an oxygen tank is arranged on the upper portion of the oxygen injection pipe. The yellow phosphorus tail gas boiler with the burning speed increasing function can move freely, quite easily and conveniently and is convenient to detach; and the burning speed of yellow phosphorus tail gas is quite high, the efficiency is high, and the heat preservation effect is good.
Owner:贵州开阳川东化工有限公司

A self-controlled office automation system based on home-made database security

InactiveCN109460970AInsightData flow is reliableOffice automationConfidentialityWeb service
The invention discloses an office automation system which is safe and controllable independently based on a home-made database, including browsers, Web servers and standardized management databases, Browser requests and responds to a bidirectional connection to a web server, The web server reads the data and writes the data into the bidirectional connection standardized management database. The web server comprises a system management module, an examination and approval flow management module, an integrated administrative management module, an official document management module, an information release module, a schedule management module, a statistical inquiry management module, a mobile office module and a workflow message reminder module. The invention is clever in design and simple inoperation, and the system opens the cloud intelligent office age, and the data flow is more reliable, fast, concise, more intelligent in analysis and clearer in decision-making. Fully compatible withdomestic databases and middleware, enhance data security, confidentiality and controllability.
Owner:北京神州海泰克科技有限公司

Air-cooling-type cooler

The invention belongs to the technical filed of coolers, and particularly relates to an air-cooling-type cooler. The air-cooling-type cooler structurally comprises an exchanger, a conduction device and a heat dissipation group, wherein the exchanger is connected with the heat dissipation group through the conduction device. Compared with the prior art, the air-cooling-type cooler has the advantages that separation-type design is adopted, and the conduction device is used for conducting heat, so that the defect that heat conduction is performed relying on a pipe wall of a cooling pipe is thoroughly solved; pipe walls of any thicknesses can be designed according to needs without affecting heat exchanging efficiency, so that the problem that the cooling pipe is thin and non-corrosion-resistant, and easily leaks and the like are solved; the safety is greatly improved, and service life is greatly prolonged. The heat dissipation group is provided with a base of the own, so that fin distances, fin heights, fin thicknesses can be flexibly designed according to application environments; the air-cooling-type cooler can form good match with the environments; and the efficiency is effectively improved, and meanwhile, the application field is widened.
Owner:刘少春

Assembled wearable device

Embodiments of the present invention provide an assembled wearable device. The assembled wearable device comprises a first functional module, a second functional module and a connecting structure for connecting the first functional module and the second functional module, wherein the connecting structure comprises a first inserting member and a first receiving member matching each other, the first receiving member is configured for receiving the first inserting member so that the first inserting member is confined to the first receiving member in at least one direction.
Owner:BOE TECH GRP CO LTD
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