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209results about How to "Easy to repair and replace" patented technology

Device for reinforcement, energy dissipation and seismic mitigation of tenon and mortise joint of timber structure

ActiveCN103422576AGood carrying capacityEasy to repair and replaceShock proofingFastenerLarge earthquakes
The invention discloses a device for reinforcement, energy dissipation and seismic mitigation of a tenon and mortise joint of a timber structure. The device for reinforcement, energy dissipation and seismic mitigation of the tenon and mortise joint of the timber structure comprises a wood beam, a wood pole, the tenon and mortise joint, embedded steel bars, joint connecting pieces and joint fastening pieces, wherein the wood beam is connected with the wood pole through the tenon and mortise joint, conduits are formed in the upper end surface and the lower end surface of the wood beam or in the two lateral surfaces of the wood beam respectively, the embedded steel bars are embedded in the conduits in advance, the conduits are sealed through small battens and special structural adhesive, one end of each joint connecting piece is connected with a corresponding embedded steel bar, the other end of each joint connecting piece is connected with a corresponding joint fastening piece, and the joint fastening pieces penetrate through the pole body of the wood pole and are fixed on the side, back on to the wood beam, of the wood pole through anchor plates and cushion blocks. The device for reinforcement, energy dissipation and seismic mitigation of the tenon and mortise joint of the timber structure is high in bending resistance, energy-dissipation capacity and ductility, and capable of guaranteeing stability of the structure under the small earthquake condition, achieving serious deformation under the large earthquake condition to control structural damage, and achieving automatic restoration of the structure after an earthquake.
Owner:NANJING UNIV OF TECH

Automatic automobile braking line air tightness detecting device and detecting method thereof

The invention discloses an automatic automobile braking line air tightness detecting device and a detecting method thereof. The automatic automobile braking line air tightness detecting device comprises an air inlet pipe, a testing pipe and an exhausting pipe, wherein the air inlet pipe comprises a compressed air source, a first magnetic valve and a first pressure sensor, the testing pipe comprises a second magnetic valve and a second pressure sensor, and the exhausting pipe comprises a third magnetic valve. The air tightness is detected by adopting a differential pressure method and combiningwith a soap lather detection method and an automatic carbon dioxide air tightness detecting method. Automatic automobile braking line air tightness detection is achieved, meanwhile the testing pipe number can be set according to the production demand, the detecting efficiency and precision are improved, and the demand for automatic detection during large-scale production is met. Compared with a direct voltage method adopted for manual detection, the differential pressure method can effectively decrease system errors and errors caused by environmental change. In addition, compared with a traditional differential pressure method, a comparison workpiece is not needed, a device structure is simplified, and the limitation that a leakage point is sought by adopting a traditional soap lather detection method is made up.
Owner:ANHUI ANKAI AUTOMOBILE

Intelligent cloud purification fresh air machine

The invention discloses an intelligent cloud purification fresh air machine. The intelligent cloud purification fresh air machine comprises a shell and a control system, wherein the control system comprises a controller, and the shell is installed on a window or in a suspended ceiling; a self-balance type fresh air inlet is formed in the outdoor side plate of the shell; an average flow air outlet is formed in the indoor side plate of the shell, and a heat preservation seal valve is installed on the self-balance type fresh air inlet; an initial effect filter net, an intermediate-effect and high-effect anti-microbial electret filter, an ultraviolet ray sterilization device and a silent cross-flow fan are installed at the portion, from an outlet of the heat preservation seal valve to the average current air outlet inside the shell in sequence; a temperature and humidity sensor, a particulate matter mass concentration sensor and a carbon dioxide concentration senor are installed at the portion, on the average flow air outlet, in the shell; the controller is connected with the temperature and humidity sensor, the carbon dioxide concentrations senor and the particulate matter mass concentration sensor; the controller is connected with the silent cross-flow fan through a controlling line. By the integrative design of the intelligent cloud purification fresh air machine, the space of installation is saved and the indoor attractiveness is guaranteed. The noise of the intelligent cloud purification fresh air machine is small.
Owner:TIANJIN UNIV

Remote monitoring system for industrial exhaust gas discharging based on Internet-of-things

The invention discloses a remote monitoring system for industrial exhaust gas discharging based on Internet-of-things. The remote monitoring system comprises the components of a sensor module which is used for detecting concentrations of matters such as carbon dioxide, carbon disulfide, hydrogen sulfide and fluoride in discharged industrial exhaust gas; a data processing module which is receiving and processing detected data and transmitting the detected data to a Beidou module; Beidou modules which are mounted in the sensors and are used for receiving data transmitted from the data processing module, performing position marking on the received data by means of the corresponding sensor and transmitting the data to a monitoring terminal in a short message communication manner; and a monitoring terminal which is used for evaluating the received data through a preset evaluation algorithm, and if a standard is exceeded, performing early warning and generating a related treatment suggestion. The remote monitoring system realizes real-time monitoring on the industrial exhaust gas and has wide application range. The mounting structure of the sensors facilitates maintenance and replacement. Furthermore monitoring accuracy on the industrial exhaust gas is improved.
Owner:XINJIANG INST OF ENG

Movable type drain grating device arranged at water inlet of hydropower station

The invention discloses a movable type drain grating device arranged at the water inlet of a hydropower station and capable of intercepting water surface trash. The movable type drain grating device comprises a left stand column, a right stand column, trash rack supporting bars and trash racks. The trash racks are of a unit combined structure. Each trash rack is composed of a drain grating net, a drain grating support shaped like a Chinese character 'hui' and clamping hooks. Each drain grating net is fixedly connected into an inner frame formed by the corresponding drain grating support shaped like the Chinese character 'hui'. The corresponding clamping hooks are fixedly connected to each drain grating support shaped like the Chinese character 'hui'. The trash rack supporting bars are provided with clamping grooves matched with the clamping hooks. According to the movable type drain grating device, the height of each trash rack can be adjusted freely according to variation of the water level; the trash racks are of the unit combined structure, so that maintenance and replacement are facilitated; the amount of trash intercepted by the trash racks can be sensed and detected in real time, the trash can be cleaned up in time, the problem of manual field detection is solved, and time and labor are saved.
Owner:DATANG YANTAN HYDROPOWER CO LTD

Polypod-simulated pneumatic soft body underwater grasping robot

The invention discloses a polypod-simulated pneumatic soft body underwater grasping robot. The polypod-simulated pneumatic soft body underwater grasping robot comprises a front portion, a middle portion and a rear portion, wherein the rear portion and the front portion are of the same structure, the rear portion is connected with the front portion through a connection frame, the front portion is of bilateral symmetry structure, the front portion comprises a large soft body bending driver, a small soft body bending driver, a top pressing cover, a bottom pressing cover and a pressing sheet, a first end of the large soft body bending driver is provided with two lug holders which are bilaterally symmetrical, a slotted hole is formed in the center of each lug holder, a second end of the large soft body bending driver is provided with a U-shaped flange, the middle of the large soft body bending driver is of a comb structure, a comb-shaped inner cavity is formed in the comb structure, a folded rectangular air bag is embedded in the inner cavity, the rectangular air bag is formed by laminating four layers of films, the two inner layers of the rectangular air bag are plastic films having airtightness, the two outer layers of the rectangular air bag are fiber layers having a reinforcement property, a first end of the rectangular air bag is connected with an air pipe, and a first end of the small soft body bending driver is of a square pyramid solid structure.
Owner:YANSHAN UNIV

Protection device for wiring harnesses in distribution box

The invention discloses a protection device for the wiring harnesses in a distribution box. The protection device includes a protection frame. Protection covers are arranged on the top of the protection frame. One side of the top of the protection frame is rotationally connected with one side of the bottom of each protection cover. A limiting device penetrates one side of each protection cover. The protection frame is internally provided with wire placing slots. Each limiting device includes a sliding rod which is arranged on one side of the corresponding protection cover in a penetrating manner. A baffle plate is arranged on the top end of each sliding rod. A handle is arranged on the top of each baffle plate. A spring is arranged at the bottom of each baffle plate. The invention relatesto the technical field of distribution boxes. According to the protection device for the wiring harnesses in a distribution box, the limiting devices facilitate the repair and replacement of one wiring harness and bring convenience to users; and as multiple protection covers and wire placing slots are arranged, multiple wiring harnesses can be protected at the same time, any wiring harness can beseparately repaired and replaced, the problem that the wiring harnesses are scattered during disassembly of the protection device and needs to be reinstalled is avoided, manpower and material resources are saved, and the mess of the wiring harnesses is avoided.
Owner:浙江固柏电力科技有限公司

Buried pipeline deformation degree detection method and buried pipeline deformation degree evaluation method

The invention provides a buried pipeline deformation degree detection method and a buried pipeline deformation degree evaluation method and relates to the technical field of buried pipeline detection. The buried pipeline deformation degree detection method comprises the following steps: substituting detection point coordinates measured by a laser profile scanner into an elliptic equation for fitting to obtain a first fitting equation; and obtaining the difference value between the long axis and/or short axis of the first fitting equation and factory diameter of a buried pipeline to obtain a first deformation degree characteristic of the buried pipeline, wherein detection points are more than one, and the more than one detection points are distributed along the circumference of the buried pipeline, and are arranged in the same plane vertical to the axial lead of the buried pipeline. The buried pipeline deformation degree evaluation method comprises the step of carrying out evaluation on deformation degree of the buried pipeline by utilizing the deformation degree characteristics above, wherein the larger the absolute value of the difference value of the deformation degree characteristics is, the greater the deformation degree of the buried pipeline is. The two methods can truly reflect actual deformation degree of the buried pipeline; and the method allows the buried pipeline to be maintained or replaced conveniently, and can obtain safety degree of the buried pipeline more easily and accurately.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Convenient-to-replace high-voltage fuse

The invention discloses a convenient-to-replace high-voltage fuse. The convenient-to-replace high-voltage fuse comprises a bottom plate, wherein insulators are fixedly connected to both sides of the top of the bottom plate; fixed plates are fixedly connected to the tops of the insulators; mounting boxes are fixedly connected to the tops of the fixed plates; first moving plates and second moving plates are connected to both sides of the bottoms of inner walls of the mounting boxes in a sliding way; a first straight tooth plate is fixedly connected to the top of one side of each first moving plate; a second straight tooth plate is fixedly connected to the bottom of one side of each second moving plate; and a rotating shaft is rotationally connected to the back side of the inner wall of eachmounting box. The convenient-to-replace high-voltage fuse relates to the technical field of electrical components. The convenient-to-replace high-voltage fuse can be well detached conveniently in a time-saving and labor-saving way. Moreover, detachment can be performed without a large amount of assistance, so that the maintenance and replacement of the high-voltage fuse are facilitated. In the process of detachment, no damage is caused to the high-voltage fuse, so that the service life of the high-voltage fuse is prolonged greatly.
Owner:WUHU KAIXIN ARRESTER

Stone dry-hanging joint

InactiveCN104499623AThe structure is safe and firmEasy to repair and replaceWallsSteel platesSealant
The invention relates to a stone dry-hanging joint. The stone dry-hanging joint comprises an aluminum alloy cross beam. A waterproof aluminum plate is arranged on the aluminum alloy cross beam. The stone dry-hanging joint is characterized in that the outer side of the aluminum alloy cross beam is connected with an aluminum alloy connecting piece; the aluminum alloy connecting piece is connected with a first hook through a bolt; a stainless steel plate and an adjusting gasket are arranged between the bolt and the aluminum alloy connecting piece; a second hook is hung on a hook body on the lower portion of the first hook; the upper portion of the first hook is arranged in a hook portion of a third hook; the second hook and the third hook are respectively fixed in a first stone material and a second stone material; and special-purpose weather-proof sealant and a foam strip are arranged between the first stone material and the second stone material. The mounting height of the first hook can be adjusted through the adjusting gasket, and the distance between the first hook and the third hook can be adjusted through a stainless steel adjusting screw, so that errors caused by installation and machining are adjusted. Moreover, the stone dry-hanging joint is safe and firm in structure and convenient to repair and change.
Owner:WUXI WANGXING CURTAIN WALL DECORATIVE ENGCO

Air cushion system of amphibious aircraft

The purpose of the present invention is to provide a kind of amphibious aircraft air cushion system, comprise body, air cushion, air passage, booster chamber are set in the body, intake fan is arranged on the body, intake fan is arranged at the entrance of air passage, air passage and pressurization The chambers communicate with each other through the air jet holes, the bottom surface of the pressurization chamber is the bottom plate, and the bottom plate is provided with exhaust holes, the air cushion includes air bags, the air bags are arranged under the bottom plate and outside the air jet holes, and the hydraulic device in the cabin is set in the pressurization chamber , the gasket is set in the airbag, the top of the shock absorber is connected with the hydraulic pressure in the cabin, the bottom of the shock absorber is connected with the air cushion through the gasket, the side of the air cushion is provided with a web, the rear of the air cushion is provided with a tail plate, and the web is connected The web hydraulics, the transom are connected to the transom hydraulics. The invention is applicable to various operating environments and complex terrains, has excellent cushioning performance, can improve water surface navigation speed, stability under high sea conditions, and safety during take-off and landing, shortens take-off and landing time, and enhances maneuverability and stealth performance.
Owner:HARBIN ENG UNIV

Biconical high consistency refiner

InactiveCN103924472ASimplify design and installationEasy to repair and replacePulp beating/refining methodsStatorAxial length
The invention relates to a biconical high consistency refiner which comprises a machine frame, a main shaft, a refining chamber base, the middle portion of a refining chamber, and a refining chamber cover, wherein a bearing seat is horizontally and fixedly installed on the machine frame, the refining chamber cover, the middle portion of the refining chamber, and the refining chamber base are formed coaxially, the closed refining chamber is defined by the refining chamber cover, the middle portion of the refining chamber, and the refining chamber base, a biconical stator is fixedly installed on the main shaft arranged inside the middle portion of the refining chamber coaxially, a biconical rotor is installed in an inner gap of the biconical stator, and three refiner areas, namely two conical refiner areas arranged in a mirror symmetry mode and a cylindrical refiner area connected in the middle, are formed by the biconical rotor and the biconical stator. The refining chamber cover and the middle portion of the refining chamber can be opened in the radial direction by means of a mechanical arm and a hinge with the refining chamber base as the basis, so that refining chamber maintenance and adhesive disc replacement are facilitated. Under the condition that the effective refining area stays the same, the no-load power consumption of the biconical high consistency refiner is much lower than that of a single-tray high consistency refiner and a three-tray high consistency refiner. Under the condition that the axial length stays the same, the radial size and no-load power consumption of the biconical high consistency refiner are smaller than those of a conical high consistency refiner.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Amplitude-modulation hydraulic overturning plow frame

The invention discloses an amplitude-modulation hydraulic overturning frame which is used for solving the problems that the connection strength between a plow main shaft and a plow frame triangular frame is not high, and the plow triangular frame cannot be overturned normally after amplitude modulation in the existing amplitude-modulation hydraulic overturning frame. The amplitude-modulation hydraulic overturning frame comprises a traction device, an amplitude modulation device, a power device, an overturning device and a triangular frame, wherein the power device comprises an oil cylinder hanging frame, a first overturning oil cylinder, a second overturning oil cylinder and an oil cylinder hoisting seat, and L-shaped plates are arranged at the piston rod ends of the first overturning oil cylinder and the second overturning oil cylinder; the amplitude modulation device comprises a guide rail sleeve, an upper guide rail, a lower guide rail, a main cross beam and an amplitude modulation oil cylinder, wherein the guide rail sleeve is internally provided with an upper cylindrical guide rail and a lower cylindrical guide rail, and guide sleeves are arranged outside the upper cylindrical guide rail and the lower cylindrical guide rail. The frame can be used for adjusting the left plow amplitude or the right plow amplitude of an integral plow according to the plowing demands of a user, and also can be rotated normally after amplitude modulation, and has the characteristics of simple structure, convenient and time-saving amplitude modulation, flexible overturning and stable amplitude modulation performance.
Owner:GAOTAI JIABAO MACHINERY MFG
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