32results about How to "Simple installation and maintenance" patented technology

The invention discloses a hand external skeleton rehabilitation system based on memory alloy driving. The hand external skeleton rehabilitation system comprises a glove (1), a palm plate (2), a power source (3) and a finger linkage system. The palm plate (2), the power source (3) and the finger linkage system are all fixed on the glove (1). The finger linkage system is connected with the palm plate (2). A memory alloy spring is used as a driving device, the structure is simple and light, the five fingers can move independently, and the flexibility is high. A four-bar mechanism is used as an external skeleton transmission mechanism, and the hand external skeleton rehabilitation system is easy to install and maintain and can be suitable for patients with different finger lengths. The external skeleton is different from a traditional driven rehabilitation external skeleton. Surface electromyogram signals are used as control signals of the hand external skeleton, rehabilitation movement is controlled by the patients themselves, and a curative effect is promoted. The hand external skeleton rehabilitation system is convenient, easy to use, safe, effective and low in cost and has wide application prospects.

The invention discloses a motor bus identification and snapshot method and a system. The system comprises a scanning-type laser apparatus, a motor bus identification apparatus, an intelligent snapshot apparatus, a wireless transmission apparatus, a fixed scanning type laser apparatus and an upright tube of the intelligent snapshot apparatus. The scanning-type laser apparatus adopts a single rotation scanning type laser range finder which is fixedly installed on one side of an expressway driving road section or an upright tube in an isolation strip and a scanning plane is vertical to a lane direction. The motor bus identification apparatus matches received outline shape information with a vehicle outline shape information model database and cooperates with a multiple echo detection technology so as to identify a motor bus. The intelligent snapshot apparatus acquires a headstock or tailstock image information of motor bus running and a license number according to instruction snapshot of a motor bus model identification unit. The system is not influenced by weather, installation and maintenance are easy, motor bus identification accuracy is high, an intelligent degree is high and manpower and material resource investments are saved.

The invention discloses an excavating and cable-paving integrated machine. The excavating and cable-paving integrated machine comprises a driving machine base, a knife chain type furrow opener, a balancing turnplate driving bearing, two lifting turnplate driving bearings, a back-filling device and a cable conveying guide wheel, wherein the balancing turnplate driving bearing is arranged on the front part of the driving machine base; the cable conveying guide wheel is arranged at the top of a housing of the balancing turnplate driving bearing; the two lifting turnplate driving bearings are fixedly arranged on the inner walls on two sides of the driving machine base; the knife chain type furrow opener is arranged on the driving machine base; and the back-filling device comprises a back-filling bracket, a back-filling scraper plate, a vibrator and two back-filling turnplate driving bearings. The invention has the advantages that the excavating and cable-paving integrated machine has a simple and compact structure and is easy to assemble and maintain; electromechanical-hydraulic integration, standardization, modular combination and automation control of the whole machine are realized; and the whole machine is easy in coordination control. According to different soil qualities and depths, speed can be adjusted freely, and furrow opening, cable laying and back filling can be finished in one step.

The invention discloses an internet airport navigation light display and control system comprising navigation light and a control center. The navigation light is composed of multiple lamp sets. The internet airport navigation light display and control system is characterized in that each lamp set of the navigation light comprises a power supply module, a light module, a detection module, a GPS module and a GPRS module. The control center comprises a computer and a GPRS module. The GPRS module of the control center is connected with multiple GPRS modules of the navigation light sets in a communication way through a base station. The beneficial effects of the internet airport navigation light display and control system are that signal cables do not need to be arranged, installation and maintenance are simple and airport navigation light remote monitoring and control can be realized.

The invention discloses a split-type roll gap measuring instrument, which comprises two or more on-site detection units and a data processing station, wherein each on-site detection unit transmits data to the data processing station through a wireless network; the on-site detection units are arranged on an ingot lead chain; each on-site detection unit comprises a control module; the first signal end of the control module is connected with a roll gap sensor; the second signal end of the control module is connected with an inclination angle sensor; the control module is connected with the data processing station through the wireless network; the control module preprocesses signals acquired by the inclination angle sensor and the roll gap sensor and wirelessly sends the data to the data processing station; the data processing station receives the real-time data of the two or more on-site detection units, performs data processing, analysis, storage and displaying to finally acquire a rollgap value and arc-pair precision of each pair of rollers in a roller column, and determines a running state of a continuous casting machine according to the real-time data. The split-type roll gap measuring instrument has the advantages of compact structure, high reliability and simplicity in installation and maintenance.

The invention relates to a passive microwave interception system. The system comprises a local machine and a remote machine; the local machine comprises a frequency source, a power amplifier system, an LNA (Low Noise Amplifier) system and a modulation and demodulation system; the system is characterized in that the remote machine comprises a cavity resonator, the frequency source of the local machine produces low phase position noise spot frequency signals that are transmitted by a local antenna after amplification by the power amplifier system, the signals enters the cavity resonator after being received by a remote transceiving antenna of the remote machine and are reflected to the remote transceiving antenna, a vibration membrane feels the vibration of outside air to cause micro-change of resonant frequency of the cavity resonator and thereby result in the phase position modulation of reflected signals, the phase position is demodulated after the signals received by the local receiving antenna are amplified by the LNA system and audio modulating signals are demodulated by the modulation and demodulation system. The invention uses passive and wireless microwave interception system, thereby having very simple installation and maintenance, high reliability and good disguise; the remote machine without supply source is small in volume and easy to maintain.

The invention discloses a glass fiber reinforced plastic trousers leg three-way pipe, which comprises a trousers waist short pipe having a trousers simulation structure, and two sections of trousers leg short pipes, wherein an included angle between the central axes of the two sections of trousers leg short pipes is any value of 0-180 degrees; the trousers waist short pipe consists of a lining layer, a structural layer and an outer protective layer form inside to outside; and each trousers leg short pipe consists of a lining layer, a structural layer and an outer protective layer form inside to outside. A splicing manufacturing method comprises the following steps of: (1) manufacturing a glass fiber reinforced plastic-wound trousers waist short pipe and glass fiber reinforced plastic-wound trousers leg short pipes respectively; (2) splicing into a trousers leg three-way pipe; (3) seaming internally; (4) integrally reinforcing from the outside; and (5) forming outer protective layers. The glass fiber reinforced plastic trousers leg three-way pipe is lower in cost than steel pipe products of the same type and specification, and has all characteristics of glass fiber reinforced plastic products. The lining layers of the glass fiber reinforced plastic trousers leg three-way pipe are smooth on the surfaces and have small flowing resistance, so that the fluid head loss is small or the pressure drop is small. The glass fiber reinforced plastic trousers leg three-way pipe disclosed by the invention can be taken as a shunting connecting pipe for any glass fiber reinforced plastic pipeline branch of any angle and any caliber.

The invention provides a three-layer wind guide strip for a wall-mounted type air conditioner. The three-layer wind guide strip comprises a wind guide strip inner shell, a wind guide strip outer shell and thermal-insulating cotton positioned between the wind guide strip inner shell and the wind guide strip outer shell, wherein the thermal-insulating cotton is pressed tightly through the cooperation of the wind guide strip outer shell and the wind guide strip inner shell. The wind guide strip adopts a three-layer structure comprising the wind guide strip inner shell, the thermal-insulating cotton and the wind guide strip outer shell, so that the problem of condensation of the outer surface of the wind guide strip when the air conditioner is in a refrigeration mode is effectively solved; meanwhile, the wind guide strip with the three-layer structure is simple in actual processing and manufacturing, convenient to mount and maintain, and relatively low in cost; in addition, the wind guide strip with the three-layer structure is better in whole rigidity and strength, and the appearance effect is obviously improved.

The invention discloses an intrusion detection fence which comprises a hollow upright and fence net pieces and is characterized in that: a sensor node is arranged in the hollow upright and combined with the hollow upright and the fence net pieces. The intrusion detection fence can detect the intrusion behaviors of climbing and damaging (including shearing and gas cutting) the fence and adapt to severe environment, does not generate many false alarms, and is invisible and beautiful and easy to mount and maintain. In the production process of the fence, joints of embedded equipment are reserved, the leads are threaded in the production process, and the sensor node is mounted in a corresponding slot of the fence on the site only. When the sensor node fails, the sensor node is replaced.

The invention relates to a barrel of a rotary water-spraying cooling device. The barrel comprises a cooling water nozzle, a water retaining plate, a water retaining hood, a barrel, wheel belts, wheel belt gaskets and a water cooling box. The wheel belts are arranged at two ends of the excircle of the barrel through the plurality of wheel belt gaskets, the water retaining hood is arranged at two sides of the wheel belts, the cooling water nozzle is mounted on the water inlet side of the water retaining hood, the water retaining plate is mounted on the other side of the water retaining hood, and the water cooling box is arranged below the barrel. The barrel provided by the invention is simple in structure and good in cooling effect, cooling water is recycled; the steel manufacture consumption, cost and energy power consumption can be reduced; the operating rate and reliability of equipment are improved, and the product quality is improved.

The invention provides a power supply comprising a hot end component, a generating component, a cold end component and insulating material. The generating component comprises at least one generator sheet; the generator sheets are connected through power lines to output current; the generating component is fixed between the hot end component and the cold end component; the hot end of the generating comment is in tight contact with the hot end component; the cold end of the generating component is in tight contact with the cold end component; an area, with no generating component, between the hot end component and the cold end component is filled with the insulating material; the cold end component, the generating component and the hot end component are distributed layer by layer; the hot end component is fixed on the outer surface of a rotary kiln; the hot end component transmits radiant heat of the rotary kiln to the hot end of the generating component; the cold end component is used for dissipating the heat of the cold end of the generating component, thus a temperature difference occurs between the cold end of the generating component and the hot end thereof and is used for generating power to power electronic devices distributed on a kiln body. The power supply has the advantages that power supply cost is lowered, and the power supply is more energy efficient and environment friendly and is simple to mount and maintain.

The disclosed mine-used explosion suppression industrial Ethernet exchange comprises mainly an Ethernet dual-layer exchange chip, a Ethernet access transformer, a network access with work an indicator, an embedded CPU, a memory, and an embedded real-time OS with control software. Wherein, it arranges whole circuit into an explosion-suppression shell. This invention improves robustness and security of underground communication network.

The invention discloses a pneumatic double-station cylinder-free wax injection machine. The pneumatic double-station cylinder-free wax injection machine comprises a machine frame, wax injection devices, wax feeding cylinders, control cabinets, wax storage cylinders and die assemblies, wherein the wax injection devices, the wax feeding cylinders, the control cabinets, the wax storage cylinders and the die assemblies are symmetrically arranged on the top surface of the machine frame; the wax injection devices are driven by air cylinders and are coordinated with hand wheels for fine adjustment so as to realize the movement of the six degrees of freedom; the wax feeding cylinders are driven by hydraulic pressure; the control cabinets are arranged at the tops of the die assemblies; a workbench is arranged on the top surface of the machine frame; the workbench and an operation table are arranged in a coplanar mode; positioning holes with the diameters of 5mm are formed in the surface of the workbench; and each wax feeding cylinder comprises a pipeline connecting part, a limiting plate, wax feeding cylinder fixing rods and a wax feeding cylinder fixing plate. Compared with the prior art, the pneumatic double-station cylinder-free wax injection machine has the advantages that the use response speed is high, double stations can work simultaneously, the service life of the wax feeding cylinders is long, the vibration is small, the three-column type supporting operation space is large, the operation safety is good, and the personal safety of operators can be protected.

An airplane forebody vortex flow control device comprises a forebody vortex knapper and a plurality of flow deflectors. The forebody vortex knapper is installed above the airplane forebody ridge and in front of an air intake duct inlet in the flow direction. The multiple flow deflectors are sequentially installed behind the forebody vortex knapper and on an original low energy flow direction path, guide low energy flow behind the forebody vortex knapper, and enable the low energy flow not to flow into the air intake duct inlet but to flow backwards along a groove between an air intake duct outer cover and a fuselage. The airplane forebody vortex flow control device is simple in structure, easy to install and maintain, and remarkable in flow control effect. In the typical flight state, the total pressure recovery coefficient of an air intake duct can be increased by 1% or above, and the value of the flow field distortion index show in the specification is reduced by 30% or above.

The invention discloses a light-emitting diode (LED) display screen box body capable of being installed and maintained. The LED display screen box body comprises a front face mask and an LED display screen, wherein the LED display screen is formed by splicing a plurality of LED modules; each LED module has the same structure; and each LED module is fixed to the front face mask through a plurality of bolts. By using the LED display screen box body, the LED module which fails can be directly detached for replacing; a power supply and a system card are both arranged in an independent module power supply box; when the power supply and the system card are detached, only screws at the four corners need to be loosened, and the module power supply box is unplugged from the back surface directly; therefore, the LED display screen box body is easy to install and maintain and high in efficiency.

The invention discloses a low-frequency two-degree-of-freedom swinging type TMD vibration control device for a high-rise structure. The low-frequency two-degree-of-freedom swinging type TMD vibrationcontrol device includes an elastic support, a two-degree-of-freedom swinging gear box, a plurality of damping energy dissipation devices, a plurality of first mass blocks, a plurality of second mass blocks, a first swinging rod and a second swinging rod, one end of the elastic support is rigidly connected with the inner wall of a barrel body, and the other end of the elastic support is flexibly connected with the inner wall of the barrel body; the two-degree-of-freedom swinging gear box is fixed to the elastic support and includes a box body and two groups of transmission units, the two groupsof transmission units are symmetrically mounted on the box body in an up-down mirroring mode, and the two transmission units contain third swinging rods with two rotational degrees of freedom in thehorizontal plane correspondingly and are connected with the first swinging rod and a second swinging rod correspondingly; and the first mass blocks are arranged on the first swinging rod in a superimposition mode, the second mass blocks are installed on the second swinging rod in a superimposition mode, and the damping energy dissipation devices are circumferentially and evenly distributed on theinner wall of the barrel body and connected with the first swinging rod correspondingly. According to the low-frequency two-degree-of-freedom swinging type TMD vibration control device for the high-rise structure, low-frequency vibration of the high-rise structure can be controlled, and the safety and functional requirements of the high-rise structure are met.

The invention provides a marine hydrogen power system. The system comprises a hydrogen fuel cell and a hydrogen storage device which are installed in the open air, a movable multifunctional sun shade covering the hydrogen fuel cell and the hydrogen storage device is arranged above the hydrogen fuel cell and the hydrogen storage device, and the movable multifunctional sun shade is used for preventing sunlight from directly irradiating the hydrogen fuel cell and the hydrogen storage device. The movable multifunctional sun shade is provided with a solar panel used for charging a lithium battery on the ship, and a movable assembly of the movable multifunctional sun shade is used for facilitating loading, unloading and hydrogen filling of the hydrogen storage device. Related problems of cabin explosion prevention are avoided, and compared with a conventional scheme, by using the system of the invention, installation and maintenance are easier, and the cost is lower. The movable multifunctional sun shade can be conveniently moved away, and the hydrogen storage device can be hoisted off the ship for hydrogen filling and hoisted on the ship for installation. And the explosion-proof solar panel is arranged on the sun shade to charge an auxiliary energy source-lithium battery on the ship so that the system is environment-friendly and low in cost.

The invention discloses a mobile impact rammer including a left box and a right box body, a storage barrel is fixedly arranged between the left box body and the right box body through a rotating shaft; the left box body is provided with a driving device and a gear box, the driving device and the gear box are connected, the gear box is arranged above the driving device, the lower part of the storage barrel is provided with a discharge valve; the outer wall of the storage barrel is provided with a vibrator, and the storage barrel is provided with an oscillation amplitude sensor. The mobile impact rammer is provided with the vibrator, so that high-frequency vibration of the wall of the storage barrel can be generated during material distribution, and material flow can be enhanced, at the same time, the storage barrel is provided with the oscillation amplitude sensor, and the storage barrel can swing in a certain angle, so that an accumulated material can fall into a material outlet.

The invention discloses a material screening device with an inclined screen, and belongs to the field of screening devices. The material screening device with the inclined screen is simple in structure, small in size, high in screening efficiency, easy to operate and convenient to manufacture. The problems that in an analysis sample screening device, screen holes are prone to blockage and deformation, and a machine is heavy are solved. By means of the technical scheme, the material screening device with the inclined screen comprises a bottom plate, a plurality of stand columns are fixedly arranged on the bottom plate, the tops of the stand columns are connected with a screen cover through springs, and the screen cover is provided with a feeding port; the lower portion of the feeding port communicates with the inclined screen, and the feeding port is located in one side of the highest end of the screen; the screen is fixed through a fixing supporting mechanism, a plurality of discharge ports are formed in the screen at intervals, and the discharge ends of the multiple discharge ports are located on the same side and located at the lowest end of the screen; and a power mechanism is arranged at the bottom of the inclined screen.

The invention discloses a novel tank washing machine which comprises a supporting frame, a delivery system, a water supply system and a spraying system. The novel tank washing machine is characterized in that an upper cover housing covers the top end of the supporting frame, a side cover covers the left end of the supporting frame, a side cover covers the right end of the supporting frame, the delivery system is installed at the middle position of the supporting frame, the water supply system is installed at the bottom of the supporting frame, and the spraying system is connected to the water supply system. By the adoption of the technical scheme, the novel tank washing machine has the advantages that the novel tank washing machine integrates cold water cleaning, hot water cleaning and air drying, can replace traditional manual cleaning operation and is stable in operation and simple in installation and maintenance. The novel tank washing machine is high in production efficiency, good in cleaning effect, low in energy consumption and long in service life.

The invention provides a medium and small flow monitoring system suitable for sponge city construction evaluation, and the system comprises a sensing layer which is used for determining a water level value through a high-precision liquid level sensing element, and outputting a water level analog semaphore according to the water level value; the transmission layer is used for performing signal processing on the analog semaphore to generate liquid level information; and the management layer is used for checking and calculating the liquid level information, converting the liquid level information into flow information and displaying and counting the flow information in real time. The flow monitoring system has the advantages that the installation and maintenance cost of the flow monitoring system is low, the combination of monitoring equipment can be flexibly adjusted, expanded and matched according to specific project requirements, the flow monitoring system has the functions of early warning and cloud management, and data can be locally stored or wirelessly sent through a cloud platform and can be remotely set.

The invention relates to an underwater electrical control cabinet, and belongs to the technical field of mechanical engineering. The underwater electrical control cabinet comprises a control cabinet body, a control cabinet cover plate, a cover plate screw, a mounting bracket, a waterproof plug, a control cabinet leg and an electrical element; the mounting bracket is welded inside the control cabinet body; the electrical element is installed on the mounting bracket; the control cabinet leg is welded outside the control cabinet body, and used for fixing the control cabinet body; the control cabinet cover plate is installed at the opening of the control cabinet body through the cover plate screw; and the waterproof plug is installed at the side of the control cabinet body, and used for the in and out of the control cabinet line. The underwater electrical control cabinet provided by the invention has the advantages of being scientific in design, simple in structure, convenient in installation, reliable in use, and capable of being widely applied to the installation of underwater electrical equipment and so on.

The invention relates to the field of car baggage holder rubber strip hot melting devices, in particular to car baggage holder rubber strip hot melting equipment and an application method thereof. A front rubber strip clamping mechanism, a rear rubber strip clamping mechanism, a heating mechanism, an electric appliance control system and a workbench are included. The car baggage holder rubber strip hot melting equipment is characterized in that the front rubber strip clamping mechanism, the rear rubber strip clamping mechanism, the heating mechanism and the electric appliance control system are all arranged on the workbench; the heating mechanism is located between the front rubber strip clamping mechanism and the rear rubber strip clamping mechanism; and the electric appliance control system is connected with and controls the rear rubber strip clamping mechanism, the front rubber strip clamping mechanism and the heating mechanism. The car baggage holder rubber strip hot melting equipment and the application method thereof solve the problems that according to car baggage holder rubber strips in the prior art, the front rubber strip and rear rubber strip melting connection work is finished mainly through the manual hot melting procedure, consequently, the machining efficiency is low, the machining quality is low, and the quality cannot be controlled.

The invention discloses an improved transparent water-based conductive high polymer mixing equipment, which comprises a left frame and a right frame, and a mixing hopper is fixed between the left frame and the right frame through a rotating shaft; the left frame The frame is provided with a brake motor and a reducer, the brake motor is connected with the reducer, and the reducer is placed above the brake motor; the lower part of the mixing hopper is provided with a discharge valve ; The outer wall of the mixing hopper is provided with a vibrator, and the mixer is provided with a swing sensor. The improved transparent water-based conductive polymer mixing equipment provided by the present invention can generate high-frequency vibrations on the wall of the mixing hopper when distributing materials by installing a vibrator, thereby enhancing the flow of materials; at the same time, a swing sensor is installed on the mixer , can swing within a certain angle, so that the accumulated materials slide down to the discharge port.

The invention discloses a wind-solar storage and mains supply complementary power supply control system. The system comprises a solar cell panel photovoltaic array (10), an energy storage battery pack(20), an inverter (30), a wind driven generator, a monitoring and data unit (1), a photovoltaic power control unit (2), a fan control unit (3), a power grid access control unit (4) and a direct current bus (5), wherein the monitoring and data unit (1) is used for detecting, controlling, storing and displaying all units of an electric system; the power grid access control unit (4) is used for controlling access of mains supply; the energy storage battery pack (20), the inverter (30), the photovoltaic power control unit (2), the fan control unit (3) and the power grid access control unit (4) are connected with the direct current bus (5); the monitoring and data unit (1) is respectively connected with the energy storage battery pack (20), the inverter (30), the photovoltaic power control unit (2), the fan control unit (3) and the power grid access control unit (4) through 485 communication lines (6). The system can be widely applied to the field of power supply and control.

The invention discloses a viscose fiber waste gas treatment control system. A distributed control system and a programmable controller are combined together for control. The distributed control system is provided with a redundancy control module and an input and output module. The redundancy control module is connected with a redundancy switchboard. The input and output module is connected with asignal isolation and transmission device. The redundancy switchboard is connected with a field operation station. The signal isolation and transmission device is connected with an alkaline washing signal acquisition device, an adsorption signal acquisition device, a condensation signal acquisition device, an alkaline washing control switch, an adsorption control switch and a condensation control switch. A changeover switch is connected with the distributed control system and the programmable controller. The viscose fiber waste gas treatment control system is provided with a control program torealize the full-process automatic control of waste gas treatment. When the distributed control system is failed, automatic control can be conducted by the programmable controller through the changeover switch. The invention has the advantages of automatic control, high safety and reliability, simple installation, maintenance and operation, stable running, high recovery efficiency and the like.

The invention provides a bicycle power generation device with an automatic clutch, which comprises a direct current generator, and further comprises a centrifugal clutch, wherein the centrifugal clutch is mounted on the rear axle of a bicycle through a one-way bearing; and the direct current generator and the centrifugal clutch are connected with each other in a mechanical driving manner. The resistance generated by the power generation device can be offset due to the inertial force of the rotating wheels by adjusting the combined rotational speed of the centrifugal clutch, so that a rider cannot feel tired while riding the bicycle; the mounting and the maintenance are relatively simple; and a storage battery is contained, so as to ensure stable output current and further avoid abrasion on the tires of the bicycle.

The invention discloses a plant culturing device with temperature and humidity controlled based on ZigBee protocol. The plant cultivating device comprises a culturing frame body, a temperature-and-humidity adjusting system and a lighting device. The temperature-and-humidity adjusting system is composed of ZigBee temperature-and-humidity sensors, a central controller, a humidifier, a refrigeratingand heating module, a dehumidifier and a heater. The culturing frame body is a multilayer stainless steel object placing frame and is provided with plastic plates which are respectively arranged between two adjacent layers. Plastic sheets package the periphery of the multilayer stainless steel object placing frame. A slit is arranged at a connecting part between the two adjacent plastic sheets. Anair outlet of the humidifier is arranged above the left side of each layer of the stainless steel object placing frame. The top end of each layer of the stainless steel object placing frame is provided with the ZigBee temperature-and-humidity sensor and a plurality of turbulent flow fans. According to the plant culturing device, the intelligent control module based on the ZigBee protocol is utilized. The plant cultivating device has advantages of low cost, simple mounting and maintenance, high temperature-and-humidity uniformity, etc. The plant culturing device is suitable for plant water culturing and tissue culturing experiments in a laboratory with a plant culturing requirement and also can be used for planting hydroponic vegetables in a family.