567results about How to "Keep it steady" patented technology

A robot cleaner system having an improved docking structure between a robot cleaner and a docking station, which is capable of an easy docking operation of the robot cleaner and preventing loss of a suction force generated in the docking station. The robot cleaner includes a docking portion to be inserted into a dust suction hole of the docking station upon a docking operation. The docking portion may be a protrusion, which protrudes out of a robot body to be inserted into a dust suction path defined in the docking station, the protrusion communicates a dust discharge hole of the robot cleaner with the dust suction path of the docking station. The robot cleaner system includes a coupling device to keep the robot cleaner and the docking station in their docked state. The coupling device is configured to have a variety of shapes.

The present invention provides a connecting device which has a connecting portion capable of rotatably connecting two housing portions without protruding from the two housing portions and can stably keep the housing portions arranged so as to face each other.

The connecting device includes; first and third connecting members 31 and 33 which have flexibility and foldably connect an upper housing portion 1 and a lower housing portion 2 with a predetermined gap interposed therebetween; and a second connecting member 32 which has enough restoring force and rigidity to restore a bent state to an unbent state and is curved in an arc shape in sectional view such that a concave portion of the arc is oriented in a direction where the upper and lower housing portions are folded.

To provide a thin-film transistor device for good source-drain contact and capacitance stabilization of a holding capacitor part, reduction of leakage between source and drain, improvement of withstand voltage of a gate insulating film, and reduction of contact resistance A manufacturing method thereof, and a display device having a thin film transistor device. The thin film transistor device of the present invention is characterized in that it has: a semiconductor layer having a source region, a drain region, and a channel region formed in a predetermined region on a substrate; a metal film formed on the semiconductor layer; a gate insulating film on and on the semiconductor layer; a gate electrode; an interlayer insulating film; and a wiring electrode, wherein a metal film is formed at least in a region to be a bottom of a contact hole on a source region and a drain region of the semiconductor layer, The film thickness of the semiconductor layer in the region where the metal film is not formed is thinner than the film thickness of the semiconductor layer where the metal film is formed.

The invention discloses a gangway bridge device and relates to the technical field of marine equipment. The gangway bridge device comprises a base and a rotary platform which is installed above the base, wherein the rotary platform is connected with the base through a rotary mechanism, and a cab is arranged on the rotary platform. The gangway bridge device is characterized in that the rotary platform is connected with a gangway bridge, safety guardrails are arranged on the two sides of the gangway bridge, and a butt joint device is arranged at the suspended end of the gangway bridge. Compared with the prior art, the gangway bridge device has the advantages that the structural arrangement is reasonable, operation is stable, and staff can be transported between a ship and a marine platform in complicated and severe environments.

The invention relates to a box-packed white wine automatic incasing machine which comprises a case conveying roller way, a machine frame, a box-packed white wine arraying mechanism, a horizontal-moving lifting system, a case propping mechanism, a gripper, a screw rod, a servo motor, two square guide rails and a box-packed white wine conveying chain plate. An incasing platform, the screw rod, the servo motor and the two square guide rails of the box-packed white wine arraying mechanism are respectively arranged on the machine frame. Four sliding blocks of the horizontal-moving lifting system are matched with the two square guide rails arranged at the upper end of the machine frame. One end of screw rod is connected with the servo motor, and a horizontal-moving lifting support of the horizontal-moving lifting system is arranged on the screw rod in a penetrating mode and fixed with the screw rod through a nut. The gripper is connected with the lower ends of two optical shafts of the horizontal-moving lifting system, and the box-packed white wine conveying chain plate and the case conveying roller way are fixed on the ground and matched with the box-packed white wine arraying mechanism, the horizontal-moving lifting system, the gripper and the case propping mechanism to achieve the function of box-packed white wine incasing. The box-packed white wine automatic incasing machine has the advantages of being wide in applicable white wine box type, accurate in incasing positioning, large in transport load, stable in performance and the like, and the difficult incasing problem which troubles the white wine industry for years is solved.

The invention relates to a thyristor pressing mechanism for a direct current power transmission converter valve, which is characterized by comprising a support frame consisting of a metal end plate (1) and an insulation pull plate (2), wherein a conductive bus, a spring (3), a pressure adjustment device, a thyristor (4), a radiator (5), a pressure dispersion plate (6), a shim liner (7) and a hydraulic loading joint (8) are arranged on the metal end plate (1) in the support frame. The thyristor pressing mechanism has the advantages of uniform pressure distribution of the thryistor, accurate pressure control, simple and efficient operation, convenient maintenance and capabilities of meeting the requirement of pressing force of the thyristor effectively and meeting the requirement of the long-term running stability and reliability of the thyristor.

The invention discloses a special lifting machine for lifting wind power generation equipment, which has the characteristics of low production cost, smooth operation of the whole machine, low requirements for roads and high field transferring speed. The lifting machine mainly comprises a running chassis, a tower body, a lifting arm, an amplitude variation mechanism of a swinging arm and an electrical control unit, wherein the running chassis comprises a lower frame (A), a slewing mechanism (I) and an upper frame (20), wherein the upper frame (20) is connected with the lower frame (A) through the slewing mechanism (I); and an operating room (13), a balancing weight (19), a power engine (17) and a winch are arranged on the upper frame (20). The invention aims to solve the problems of the lifting equipment required for installation of the wind power equipment; and the installation of the wind power equipment requires that the lifting capacity of the lifting equipment meets the requirement, the lifting height of the lifting equipment meets the requirement, and the lifting equipment needs to be capable of quickly transferring fields. The lifting machine can also be used for lifting in other building industries.

The invention discloses a capture mechanism and a multi-level lead screw non-cooperative target docking mechanism, and relates to the technical field of aerospace. The mechanisms solve the problems about operation such as recognition, measurement and capture on a target under the non-cooperative situation of an existing spacecraft. According to the scheme of the capture mechanism, a first motor drives a linkage mechanism to rise to a grab portion to be in an open state, and the grab portion is driven by the linkage mechanism to rapidly fold and contract backwards. According to the scheme of the docking mechanism, the docking mechanism is composed of the capture mechanism and a telescoping mechanism, wherein the telescoping mechanism achieves stretching and contraction in the mode that a second motor drives three levels of lead screws to stretch out level by level through a bevel gear drive mechanism and a spur gear drive mechanism. The capture mechanism and the multi-level lead screw non-cooperative target docking mechanism are used for effectively capturing a long-distance jet pipe.

The invention provides a dual-track self-traveling trolley mechanism which is stable in running, low in oscillation level and vibration degree in a lifting process, and precise in positioning. The dual-track self-traveling trolley mechanism comprises I-shaped steel for fixing dual tracks, dual tracks, a traveling mechanism traveling on the dual tracks through traveling wheels, a lifting mechanism fixed below the traveling mechanism and a lifting appliance connected below the lifting mechanism through movable hanging strips, wherein the traveling mechanism is provided with a positioning guiding sleeve matched with a positioning guiding device on the I-shaped steel for positioning, the lifting mechanism is of a horizontal framework type, and two groups of the movable hanging strip are arranged on mounting supports on two sides of the framework of the lifting mechanism in parallel. Compared with the traditional single-track self-traveling trolley mechanism which is lifted by a chain structure driven by a lifting block or an electric motor, the dual-track self-traveling trolley mechanism has the advantages that the oscillation of the lifting appliance in a traveling process and the vibration of the lifting appliance in a lifting process can be alleviated, and the lifting appliance can be kept stable and can be positioned accurately.

The invention discloses a wood board loading and unloading lifting assembly which comprises a lifting mechanism (1), a jacking mechanism (7), a push mechanism (4) and a plurality of bearing and connecting mechanisms (2). The wood board loading and unloading lifting assembly has the advantages that working efficiency is high, energy consumption is reduced, manpower is saved, conveying precision is high, and a hot press can conduct hot pressing on the two faces simultaneously.

The invention discloses a continuous circulating system for realizing continuous circulation of slurry in the drilling process, comprising a hydraulic control device, a runner conversion device and a continuous circulating short-joint device. The system realizes control and conversion of slurry flowing pipelines by the hydraulic control device and the runner conversion device, and realizes continuous circulation of slurry by matching with a bypass structure of the continuous circulating short-joint device, so that the stability of the pressure of a borehole is maintained, the annulus backpressure value of the borehole is effectively controlled, the stability of the borehole wall and good effect for cleaning the borehole are maintained, and the runner conversion device and the continuous circulating short-joint device are mutually matched for working so as to realize continuous circulating operation of the borehole. The continuous circulating system is simple in structure, small in occupied space and convenient to operate and is especially suitable for being used in drilling on an offshore platform. In addition, the system can be concentrated in a system container after being disassembled, and the installation and the disassembly are convenient, so that the system is very important for simple operation on the offshore operation platform.

The invention discloses an adjustable obstetric bed for obstetric nursing, and particularly relates to the field of obstetric nursing. The adjustable obstetric bed comprises a supporting bedstead, wherein an adjusting frame is fixedly connected to the top of the supporting bedstead, an arc-shaped sliding rail is arranged on one side of the adjusting frame, a first rack is arranged in the arc-shaped sliding rail, the top of the supporting bedstead is fixedly connected with an adjusting sliding cylinder, the bottom of the inner side of the adjusting sliding cylinder is fixedly connected with a first electric push rod, and the output end of the first electric push rod is fixedly connected with a supporting rod. According to the invention, the supporting rod is pushed by the first electric push rod to adjust the height of the supporting plate body, the motor output shaft is in transmission connection with the first gear and is meshed with the first rack, so that the adjusting plate moves along the arc-shaped sliding rail, the angle of the back plate is convenient to adjust under the action of the shock absorber, the first spring and the shock absorber ensure the stability of the bed body and lighten the pain feeling of the pregnant woman; the height and the position of the thigh clamp, the shank clamp and the pedal are adjusted through the leg clamp device and the adjusting mechanism so that the demands of human bodies with different heights are met; and the leg clamp is simple in structure and convenient to use.

The invention discloses a system and a method for measuring carbon dioxide, methane and nitrous oxide in air simultaneously. In an analysis part, a gas sample enters a sample introduction unit; a separation unit is connected with the sample introduction unit, and the gas sample enters the separation unit to be separated under the drive of carrier gas through the state change of the sample introduction unit; a detection unit is connected with the separation unit, and the separated sample enters the detection unit to be detected; and a switching unit is connected with the separation unit and the detection unit, and sample components are selectively emptied or detected through the state change of the switching unit. In a drive part, two electronic switches are respectively connected with two electromagnetic valves through electric wires, the air inlets of the two electromagnetic valves are connected with compressed air, and the two electromagnetic valves are respectively connected with a drive cylinder of a pneumatic valve of the sample introduction unit and a drive cylinder of a pneumatic valve of the switching unit through three-way joints; and the electronic switches are regularly switched on or off to change the flow direction of the compressed air in the electromagnetic valves so as to finish the state switching of the sample introduction unit and the switching unit.

The invention discloses a method of load shedding of a floating wind turbine generator system based on semi-active structure control of a magneto rheological damper. The method includes the following steps: (1) analyzing the structure of the magneto rheological damper, obtaining a force-displacement relationship of the magneto rheological damper; (2) establishing an equation of motion of a multi-degree of freedom system of an offshore floating wind turbine generator system which is configured with the magneto rheological damper, and establishing equations of motion of the wind turbine generator system and the magneto rheological damper; (3) controlling the magneto rheological damper through a LQR controller and a Fuzzy controller so as to reduce the pitch angle of the floating wind turbine generator system and the longitudinal displacement of a nacelle. According to the invention, the method overcomes the defects of passive control and active control in structural control of a damper, requires less extra energy, requires simple apparatus and is not less susceptible to stability loss, can effectively reduce total load of the floating wind turbine generator system, guarantees stability of a platform, and further increases service life and energy quality of output electricity of a wind turbine generator.

The invention discloses a stretcher, comprising two stretcher bars, handles arranged at the two ends of each stretcher bar and a bed body connected with the two stretcher bars; an automatic telescopic reel is arranged on one handle at one side of two handles at each end of the stretcher; one end of a carrying belt is connected with the telescopic reel of each handle at one side, and the other end of the carrying belt is connected with each handle on the other side. Each automatic telescopic reel comprises two gears and a rotary shaft for connecting the two gears; and one volute spiral spring is arranged at the outer side of each gear. Each automatic telescopic reel is provided with a locking device. In each reel, the volute spiral spring provides rotary acting force (or torque) to the reel, so that the loose carrying belt is reeled. When the carrying belts are pulled, the reels are enabled to rotate, and the volute spiral springs connected with the reels are also enabled to rotate along the same direction. The rotary reels reversely twist the springs, if the carrying belts are loosened, the springs restore until the carrying belts are tightened up.

The present invention relates to a refrigerator air return system and method. The air return system comprises an air duct main body disposed at a back part of a refrigerator body, an air duct cover plate, a fan and an evaporator, wherein the air duct main body, the air duct cover plate and the evaporator are superposed in turn to form a laminated structure, the air duct main body is arranged between the air duct cover plate and the evaporator, the fan is fixed above the air duct main body, air return passages are disposed on the air duct main body and are communicated with the evaporator, an air outlet part and a plurality of air return layers are disposed on the air duct cover plate, the air return layers are distributed below the air outlet part, the evaporator and the inside of the refrigerator body are communicated by the air outlet part, and the air return passages and the inside of the refrigerator box are communicated by the air return layers. With horizontal arrangement of the air return layers on the air duct cover plate, airflows inside the refrigerator body flow back to the evaporator in a layered manner, air return flows do not interfere with each other, local blockage of the airflows is reduced, and indoor airflow distribution uniformity and temperature uniformity among refrigerator bodies are raised.

The invention relates to an electric power-assisted steering aligning controller without an angle sensor. The controller comprises a power-assisted control module, a damping control module, a aligning control module and a diagnosis monitoring control module, wherein the aligning control module comprises three sub modules, an aligning state entering judgment module, an aligning process control module and a middle position signal processing module, and the diagnosis monitoring control module comprises a motor rotating speed measurement module, a motor current module and a diagnosis communication module, and the diagnosis communication module inputs the vehicle speed and the rotating angle. The electric power-assisted steering aligning controller has the advantages that the cost can be reduced, and the installation space of the sensor is saved; the automobile dynamic operation stability principle is utilized, and the optimized aligning rotating angle or angular acceleration target curve is obtained according to the input vehicle speed or the rotating angle of a steering wheel, so the closed loop control is carried out through the power-assisted motor rotating speed detection. Because middle position signals are adopted, the steering wheel can be accurately aligned to the middle position.

The invention discloses a control method of a device for displaying ship attitude. The device comprises a data collection terminal and a display terminal electrically connected with the data collection terminal, wherein the data collection terminal comprises a first microprocessor, a global positioning system, a three-axis geomagnetic sensor, a three-axis gyroscope and a three-axis acceleration sensor; the global positioning system, the three-axis geomagnetic sensor, the three-axis gyroscope and the three-axis acceleration sensor are respectively connected with the first microprocessor; the display terminal comprises a computer, and a touch screen and an alarm both arranged on the computer; and the data collection terminal and the display terminal are electrically connected in a wired manner. The device and the method have the characteristics that the measured data is more precise and more comprehensive; the ship attitude can be real-timely displayed to provide security support for ship navigation, goods loading and unloading, ship entering a port and the like; an electric compass can be used to show course, and can be used as normal when the device inclines, so that security and reliability of the ship navigation are further improved.

The invention provides a scribing device. The scribing device is used for ensuring the width of an end material region of a substrate is approximately equal to the width of a gripping area of a clamping claw, the end material region is not interfered by the clamping claw, and the substrate can be scribed along the planned scribing line. The scribing device comprises the following components: a loader (A), which is used for conveying the substrate (W) from a first position to a second position at a downstream side of a substrate conveying direction, and an upstream side end part of the substrate (W) which is conveyed to the second position is clamped by the clamp claw (1) in a grasping state; a grasping and conveying unit for conveying to a scribing unit (C) equipped at a downstream side; and a cutter wheel (23) of a scribing unit (C) for scribing the planned scribing line (S2) at a Y direction on the surface of the substrate (W) conveyed to the scribing unit (C). The loader (A) comprises a suction conveying component (2) for selecting the substrate (W), and the loader (A) and the suction conveying component (2) can move at an X direction at the same time.

This invention relates to an ink jet ink comprising water, a charged self-dispersed pigment characterized in having a charge equivalence of at least 0.5 mEq/g, a volatile counterion content of 0.01 to 0.5 percent by weight, and a surface-active paper penetrant

The present invention provides an interior material of an operator's cab of a work machine, the interior material comprising at least a structure member and a noise absorption layer, wherein the structure member has at least one rib which is formed on an inside surface of a base portion thereof and comes into intimate contact with an inside surface of an exterior material and a hermetically sealed hollow portion is formed by the rib in intimate contact with the exterior material, and the noise absorption layer is disposed on an outside surface of the structure member. With the interior material, a work environment in the operator's cab of the work machine can be enhanced by effectively suppressing the noise entering from an outside of the operator's cab.