5533results about How to "Reduce shaking" patented technology

The present invention provides devices for beating heart surgery. The device separates the valve and the surrounding area from the rest of the vascular system so the operation procedure can be carried out while the heart is beating during the entire course of the procedure. This is made possible through a temporary valve (170) and two coronary artery conducts (130, 140) incorporated in the balloon-catheter system. The system provides better view and ease of operation and thus, reduces surgery related complication and pains.

Methods and devices for reducing evaporation of sample materials from the wells of multiwell plates are disclosed which find particular utility when the plates are placed in a stacked configuration. An example of the methods includes providing at least a first multiwell plate which is configured to be placed in a stacked configuration with at least one second multiwell plate, the at least first multiwell plate having a plurality of wells for receiving sample material therein and opposing side walls which extend around the plate and which define a ridge spaced inwardly of the side walls and extending around the plate between the side walls and the plurality of wells, the method including at least partially filling the ridge with a liquid such as water or buffer solution. The ridge can include one or more ribs which extend upwardly from a lower surface of the ridge to help reduce sloshing of the liquid contained within the ridge and to add structural strength and rigidity to the multiwell plate. The second multiwell plate can be provided with a downwardly extending flange which extends around a lower surface of the plate and which is configured to be removably received by the ridge of the at least first multiwell plate such that when the second multiwell plate is removably positioned on top of the at least first multiwell plate in a stacked configuration, the flange extends at least partially into the ridge and contacts the liquid to thereby create a substantial evaporation barrier to minimize evaporation of sample liquids in the wells of the at least first multiwell plate.

A flat urinary drainage bag that can be worn by a patient over the abdomen with the bag suspended from a waist-encircling belt is disclosed. The device includes an inlet tube for connection to a urethral catheter and a valve-equipped drain tube that extends downwardly from the bag when the drain tube is used to drain the contents therefrom. The lower end of the bag is foldable upwardly to position the drain tube in an upwardly-facing raised position against the bag's front wall, and a retaining strap is located across the front wall for holding the drain tube in its raised position. Spot attachments that secure the ends of the strap to the bag's front wall also secure the front and rear walls of the bag together, thereby performing multiple functions of limiting bulging of the bag in use, reducing sloshing of the bag's contents, and securing the retaining strap (and the raised drainage tube) in place.

An image processing device includes: a motion vector receiving unit configured to receive, from frame image data made up of frame images, motion vectors representing motion of the frame images; a modeling unit configured to model the motion vector, received from the motion vector receiving unit, to a component separation expression in which a camera motion component and a focal plane distortion component are separated, using component parameters respectively representing camera motion which is motion of a camera, and the amount in change in focal plane distortion; and a component calculation unit configured to calculate the component parameters used in the component separation expression, thereby calculating the focal plane distortion component in the motion vector.

An image processing device, comprising:a motion vector detection unit configured to detect, from frame image data made up of frame images, motion vectors representing motion of the frame images;a modeling unit configured to model the motion vector, detected by the motion vector detection unit, to a component separation expression in which a camera motion component and a focal plane distortion component are separated, using unknown component parameters respectively representing camera motion which is motion of a camera, and the amount in change in focal plane distortion; anda component calculation unit configured to calculate the component parameters used in the component separation expression, thereby calculating the camera motion component in the motion vector.

The invention discloses a storehouse cleaning machine for cement storehouses. The storehouse cleaning machine for the cement storehouses comprises a base, a drill rod, a hanging mechanism, a storehouse cleaning mechanism and a swing mechanism which is used for controlling rotation of the storehouse cleaning mechanism; the hanging mechanism and the swing mechanism are arranged on the base; the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod. The storehouse cleaning machine for the cement storehouses has the advantages of enabling the storehouse cleaning mechanism shaking to be small during the storehouse cleaning process and being high in cleaning efficiency due to the fact that the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod; being applicable to various cement storehouses with different diameters, capable of being applied to cement storehouse wall with slope, convenient to utilize and wide in application range due to the extensible storehouse cleaning mechanism; being simple in structure, safe and reliable and suitable for industrialized application.

The invention discloses a telescopic bidirectional loading and unloading conveyor, which belongs to the field of storage and logistics. The telescopic bidirectional loading and unloading conveyor comprises a base joint, a primary expansion joint, a secondary expansion joint, a belt conveying mechanism, a telescopic mechanism, and an elevator mechanism, wherein a front pedestal and a back pedestalare respectively arranged below the two ends of the base joint, and the back part of the base joint is hinged on the back pedestal; a lifting oil cylinder of the elevator mechanism is hinged on the front pedestal and a piston rod of the elevator mechanism is hinged on the front part of the base joint; the primary expansion joint is nested in the cavity of the base joint and can expand and contract along the base joint under the driving of the primary expansion joint; the secondary expansion joint is nested in the cavity of the primary expansion joint and can expand and contract along the primary expansion joint; the belt conveying mechanism comprises a conveying motor, a belt driven roller and a conveying belt; turnabout drums are respectively arranged at the front and back ends of the base joint, the primary expansion joint and the secondary expansion joint; and the conveying belt can be orderly wrapped on the belt driven roller and each turnabout drum to form a sealed conveying ring. The loading and unloading conveyor has the advantages of bidirectional conveying, convenient move, adjustable conveying height and distance, safety and reliability.

The invention relates to a mobile carrier automatic leveling system, belonging to the mechanical-electrical-hydraulic integration technical field, wherein a dual-axis tilt sensor is fixed on a mobile carrier platform; an electric cabinet is fixed on the mobile carrier platform; a pressure sensor is connected with a vertical landing leg; a transverse landing leg is fixed on the mobile carrier platform; the vertical landing leg is connected with the transverse landing leg via a transverse landing leg vertical landing leg connecting member; a bidirectional hydraulic lock is connected between a vertical landing leg electromagnetic valve and the vertical landing leg; the output of a transverse landing leg electromagnetic valve is connected with the input of the transverse landing leg; the output of the dual-axis tilt sensor is connected with the electric cabinet; the output of the pressure sensor is connected with the electric cabinet; and the output of the electric cabinet is connected with the transverse landing leg electromagnetic valve and the vertical landing leg electromagnetic valve. The system enables the leveling of the mobile carrier to achieve speediness, high precision and full automation; meanwhile the system is stable in performance, simple and convenient in operation, strong in universality, comparatively low in cost and capable of meeting the leveling requirements of most mobile carriers.

Provided is an image stabilization device including a motion sensor for detecting motion data, an image data display unit for displaying image data, a shake coefficient calculation unit for calculating a shake coefficient indicating intensity of shaking based on time-series motion data detected by the motion sensor, and a motion correction unit for performing control on the image data display unit to move the image data in a direction of cancelling the shaking in a case the shake coefficient calculated by the shake coefficient calculation unit becomes less than a predetermined first threshold.

A fuel storage tank for an automotive vehicle includes a receiver with a number of perimeter walls defining an interior volume for storing liquid fuel. A number of anti-slosh bodies are located within the receiver. A locator structure cooperates with perimeter walls to confine the anti-slosh bodies within a predetermined part of the interior volume.

A male housing (30) has a hood (32) and a rib (45) that projects forward in the hood (32). A moving plate (50) is disposed movably in the hood (32) and an insertion hole (62) is formed on a body (51) of the moving plate (50) for receiving the rib (45). Guide walls (64, 65) are formed on the periphery of the insertion hole (62). The moving plate (50) is pressed into the hood (32) from an initial position by a female housing (10). Peripheral sides of the moving plate (50) are guided by the hood (32) and peripheral surfaces of the rib (45) slide in contact with the guide walls (64, 65) to prevent the moving plate (50) from shaking.

The object of the present invention is to provide an air data sensor that does not require an external input of a reference velocity as a Doppler LIDAR, has a function of autonomously determining the absolute airspeed, and has no position error. The optical air data sensor in accordance with the present invention is an optical air data sensor, mounted on an aircraft, for emitting a laser light as a transmission light into atmosphere, and then receiving a laser scattered light produced by scattering of the laser light by aerosol present in the atmosphere as a reception light, thereby to measure an airspeed and a wind velocity of airflow in a distant region on the basis of a Doppler shift amount between the transmission light and the reception light, wherein a true airspeed is autonomously measured, without setting a reference velocity, by successively sweeping a frequency offset corresponding to a reference velocity for providing an offset to a measurement frequency, and performing this sweeping within a frequency range in which the Doppler shift amount is measured.

The present invention provides a reagent mixing device, which comprises a driving device, a transport device and a rotating part, wherein the transport device comprises a conveying mechanism for conveying a reagent kit and a mixing mechanism for mixing a reagent; the conveying mechanism is driven by the driving device to move relative to the mixing mechanism; the rotating part and mixing mechanism are in transmission matching; the conveying mechanism and the mixing mechanism are sleeved with each other to form a bearing structure. The present invention further provides a reagent mixing method. The reagent mixing device is small in size, smart in structure, easy to assemble and low in manufacturing cost. The reagent mixing method provided by the present invention is simple and reliable, high in overall operation reliability, and has very high application values in such analysis and test fields as full-automatic chemiluminescence immunoassay analyzers and biochemical analyzers.

The invention discloses a periscope camera module. The periscope camera module comprises a light steering mechanism, a lens mechanism and a photosensitive chip, wherein the light steering mechanism ismounted at a light incident side of the lens mechanism, the photosensitive chip is mounted at a light exit side of the lens mechanism, the light steering mechanism comprises a prism, a prism holder,a support shaft and a base, the prism holder is arranged in the base, the prism holder has a support surface opposite to the prism, the prism holder is further provided with a shaft seat, the shaft seat is arranged at the other side of the support surface opposite to the prism, the shaft seat is provided with a through shaft hole, the support shaft is rotatably arranged in the shaft hole, the support shaft is perpendicular to an optical axis of an optical lens in the lens mechanism, the support surface has two side walls, and the intersection portion of the support surface and the side walls is provided with a support table which projects in the direction away from the support surface and extends along an intersection line of the support surface and the side walls. The periscope camera module is advantaged in that the prism holder and the support shaft are adopted, the anti-shake effect can be achieved through the rotatable prism, the structure is simpler, and manufacturing and maintenance are easy.

A hinge has a positioning bracket, a rotating bracket, a pivotal pin, a washer, a mounting ring and two resilient sleeves. The positioning bracket has a sleeve. The sleeve has a through hole and an elongating groove. The rotating bracket has a connecting segment. The pivotal pin is attached to the rotating bracket and has a mounting shaft, a connecting shaft and a head. The washer and the mounting ring are mounted around the connecting shaft of the pivotal pin. The resilient sleeves are mounted around the connecting shaft, are mounted in the through hole of the sleeve and each resilient sleeve has a sleeve segment and a mounting slice. The sleeve segment has a through hole and a gap. The mounting slice is formed on the sleeve segment near the gap and is inserted into the elongating groove.

The invention discloses a centrifugal compressor. The centrifugal compressor comprises a motor and a first-level compressor body. The motor drives the first-level compressor body to run. A motor rotor of the motor is supported by a radial hydrostatic bearing to rotate, and the axial force of the motor rotor is balanced through an axial hydrostatic bearing. Gas and liquid double-phase low-viscosity fluid is adopted as lubrication media for the radial hydrostatic bearing and the axial hydrostatic bearing. According to the centrifugal compressor, low-velocity liquid and gas double-phase refrigerant porous material hydrostatic air bearings are adopted as the radial hydrostatic bearing and the axial hydrostatic bearing supporting the motor rotor, the radial and axial waggling of the rotor is reduced, and therefore gaps and sealing gaps between the tops of blades of impellers and volutes are allowed to be reduced by a half, and accordingly the efficiency of the centrifugal compressor can be improved by 10% or above.

The invention discloses a space positioning platform which comprises an X-direction guide rail, a Y-direction guide rail driven by an X-direction driving mechanism to be in linear reciprocating motion along the X-direction guide rail, a Z-direction guide rail driven by a Y-direction driving mechanism to be in linear reciprocating motion along the Y-direction guide rail, and a carrying platform driven by a Z-direction driving mechanism to be in up-down reciprocating motion along the Z-direction guide rail. The Y-direction guide rail is mounted on the X-direction guide rail , the Z-direction guide rail is mounted on the Y-direction guide rail, the carrying platform is mounted on the Z-direction guide rail, and the X-direction driving mechanism, the Y-direction driving mechanism and the Z-direction driving mechanism form a servo driving system for adjusting position of the carrying platform in directions X-axis, Y-axis and Z-axis of a space rectangular coordinate system. The space positioning platform is simple in structure, reasonable in design, simple and convenient to use and operate, good in using effect and high in positioning efficiency, and the problem that an existing lifting device is single in moving direction, inaccurate in positioning, poor in reliability and the like can be effectively solved.

The invention relates to a device for rapidly collecting and releasing boats, which comprises a collecting and releasing arm structure, an aligning device, a decoupler, a sling and a winch, wherein one end of the collecting and releasing arm structure is connected with a mother ship and the other end of the collecting and releasing arm structure can be extended or retracted in a suspending way to provide a force applying fulcrum for collecting and releasing the boats; the aligning device is connected at the other end of the collecting and releasing arm structure and is used to align with the lifting and the lowering positions of the boats on sea surface; the decoupler is limited on the aligning device and is used to be connected with the boats; one end of the sling penetrates through a pulley fixed on the collecting and releasing arm structure in a winding way, is connected with the decoupler and is used to transmit pulling force to the decoupler; and the winch is connected with the other end of the sling to provide pulling force for collecting and releasing the boats. The device is a collecting and releasing device with complete functions and can be used to stably and rapidly lower down the boats to sea surface from the mother ship under force-seven wind sea conditions or to collect the boats back to the mother ship from sea surface.

The invention discloses a guide rail type shock isolation device. The guide rail type shock isolation device comprises an upper board, a middle board, a bottom board and guide rails. The guide rails comprise transverse guide rails and longitudinal guide rails, the transverse guide rails and the longitudinal guide rails are orthogonal, and the transverse guide rails are fixed to the bottom board and provided with a transverse sliding block which can slide along the transverse guide rails and has the function of drawing resistance. The middle board is fixed to the upper portion of the transverse sliding block and fixedly provided with the longitudinal guide rails. A longitudinal sliding block which can slide along the longitudinal guide rails and has the function of drawing resistance is arranged on the longitudinal guide rails. The upper board is fixed to the upper portion of the longitudinal sliding block and used for bearing objects. Reset springs are horizontally arranged between the upper board and the middle board and between the middle board and the bottom board respectively. The guide rail type shock isolation device not only has the function of isolating shock in any horizontal direction, but also has the shock absorption and energy absorption effects, and can be used for shock absorption and isolation of precious relics or precision equipment.

The invention discloses a high-voltage inverter convenient to move. The high-voltage inverter convenient to move is simple and reasonable in structure, low in production cost, convenient to mount andcomplete in function. A moving device, with the damping function, special for the inverter is provided, the damping function is achieved, when the inverter is transported, the inverter is protected, the inverter is not prone to damage, and economic losses are reduced; a spring is arranged between a groove and a support, vibration can be effectively resisted, a handle is rotated, a clamping block clamps the inverter, shaking is prevented, damage in the transporting process is avoided, a hydraulic rod works, a lifting frame descends, a concave frame covers the inverter, the freedom degree of theinverter can be limited to a great degree, a rotating motor drives a rotating shaft to rotate, a first shaft sleeve and a second shaft sleeve move to achieve ascending and descending of the sliding rod, the height of the whole device is greatly adjusted, through motor ascending and descending, the inverter is stable and efficient, the inverter cannot be damaged, an air pressure rod extends out ofa universal wheel and is moved through the universal wheel, and after the air pressure rod is moved to the designated place, the air pressure rod retreats from the universal wheel.

The invention discloses a flexible manipulator which comprises at least one pair of flexible fingers, and further comprises a distribution integrated block. A main channel and a plurality of sub-channels are formed in the distribution integrated block; a sub-joint is arranged on each sub-channel, and a main joint is arranged on the main channel; each flexible finger comprises a finger bottom plate and a finger surface, wherein the elastic modulus of the finger bottom plate is larger than the elastic modulus of the finger surface, the finger surface comprises a fingertip section, a knuckle section and a finger root section, a driving chamber is formed by joint surrounding of the knuckle section and the finger bottom plate, a transition groove is formed between the knuckle section and the finger root section, and a ventilation port is formed in the finger bottom plate or the finger root section; the sub-joints are sleeved with the ventilation ports of the flexible fingers in a one-to-one correspondence mode; the exteriors of the finger root sections are buckled with cover shells in a covered mode; and the cover shells are detachably fixed to the distribution integrated block, and one side wall of each cover shell is located in the corresponding transition groove. The flexible fingers of the flexible manipulator are easy to install, convenient to fix, more compact in arrangement and accordingly more suitable for clamping small articles.

The invention discloses a safety shockproof logistic box and relates to the field of logistic transportation equipment. The safety shockproof logistic box comprises a box body and a box cover, the box body comprises an outer box body and an inner box body, the box cover is hinged to one side of the upper portion of the outer box body, the inside of the inner box body is provided with a buffer layer and a seal thread, the upper portion of the inner box body is provided with a seal cover, the outer side of the seal cover mates with the seal thread, the outer box body and the inner box body are connected through a support spring, two sides of the outer box body are provided with a handle fastener, an inflow valve and an outflow valve respectively, the box cover comprises an LED display screen, an outer package over and an insulation cover, the insulation cover is arranged below the outer package cover, a sensor set and a microprocessor are arranged in the inner box body, and the microprocessor is connected respectively with the sensor set and the LED display screen; the safety shockproof logistic box changes traditional buffer media and is provided with buffering through a liquid, the inner state of the logistic box can be displayed in real time, and the safety shockproof logistic box is very practical and worthy of popularization.

The invention belongs to the field of technical equipment used in oil and natural gas drilling engineering, mine exploiting, geological drilling, constructional engineering, tunnel engineering, shielding and non-excavation, and relates to a novel PDC drill bit utilizing the impact effect for improving heart rock breaking efficiency. The PDC drill bit solves the problems that in the drilling process, a center rock column left in the center part influences drilling efficiency, and the position deviating from the center of a well hole shakes left and right. According to the technical scheme, the upper end of a turbine is fixed through a nut, the lower end of the turbine is fixed through a boss on a turbine shaft, an upper cam is connected to the turbine shaft through threads, a lower cam is fixed to a punch hammer through a sunk screw, the upper section of the punch hammer is hollow, a pore passage enabling drilling fluid to flow out is formed in the upper end of a shell on the lower portion, a pressing head with the top end provided with a tip-shaped PDC tooth is added to the tail end of a connecting cavity, as a main impact part, the lower end of the punch hammer becomes thin, and a bi-directional thrust ball bearing is placed at the lower end. The equipment enables the heart to generate longitudinal impact, improves the rock breaking efficiency and reduces drilling cost.

A system and method of controlling a vehicle with a trailer comprises determining the presence of a trailer, generating an oscillation signal indicative of trailer swaying relative to the vehicle, generating an initial weighted dynamic control signal for a vehicle dynamic control system in response to the oscillation signal, operating at least one vehicle dynamic system according to the dynamic control signal, and thereafter, iteratively generating a penalty function for the weighted dynamic control signal as a function of the oscillation signal response. A neural network with an associated trainer modifies the dynamic control signal as a function of trailer sway response.