32results about How to "Physical exertion" patented technology

A shaft rotating device for rotating a shaft of a medical instrument about its longitudinal axis relative to a handle of the medical instrument comprises an operating element for rotating the shaft. The operating element is arranged at a proximal portion of the shaft and it is in driving connection with the shaft such that the shaft is rotatable relative to the handle against frictional forces. The shaft rotating device further comprises a frictional element with a surface. The surface of the frictional element is in frictional contact with the surface of a counterpart for keeping the shaft and the handle rotationally stationary with respect to each other and movable against the frictional forces. The operating element and the frictional element are in operational connection with respect to one another such that a torque applied to the operating element decreases the frictional forces. The shaft and the frictional element are in operational connection with one another such that a torque applied to a distal portion of the shaft increases the frictional forces.

The invention discloses a method for adaptively adjusting a gain, mapped to an interface, of gesture movement. The method comprises the following steps in sequence: S1, capturing a video; S2, detecting one hands and the face of a user; S3, recognizing width information of the hand in the video; S4, acquiring position information of hand movement of the user; S5, calculating a movement speed of the hand of the user in a physical operation space; S6, calculating an adaptive cursor movement speed by adopting a function, related to the movement speed of the hand of the user, of a gain between a cursor constructed in allusion to the current gesture interaction system and the movement speed of the hand of the user; S7, carrying out weighted summation on the cursor movement speed and carrying out smooth processing; S8, calculating a movement increment which is inter-frame output by the cursor on a display screen; S9, carrying out responding on the display screen, and repeating the steps S4 to S9. According to the method, the relative stability of the gain between the cursor and the hand of the user still can be kept when the distance between the hand of the user and a camera in the direction of an optical axis changes, so that the natural and stable control of the cursor is realized.

The invention discloses a cleaning agent transferring and carrying rack which comprises a main support frame, wherein a first support bar, a second support bar, a third support bar and a fourth support bar are arranged on the inner side of the top of the main support frame from left to right in sequence; a third guide pulley is arranged in the middle of the bottom of the second support bar, and a fourth guide pulley is arranged in the middle of the bottom of the third support bar; a first pull rope is arranged at the outer edge of the third guide pulley, and a second pull rope is arranged at the outer edge of the fourth guide pulley; a main connecting piece is fixed at the bottom end of the first pull rope, and an auxiliary connecting piece is fixed at the bottom end of the second pull rope; and towing belts are mounted at the bottoms of the main connecting piece and the auxiliary connecting piece. By combination of a first guide pulley, a second guide pulley, the third guide pulley, the fourth guide pulley, a winch, a take-up roller, the first pull rope, the second pull rope, the main connecting piece, the auxiliary connecting piece and the towing belts, the cleaning agent transferring and carrying rack achieves the effect of saving time and labor when used for transferring and carrying a tank filled with a cleaning agent.

The invention relates to a split type rectoscope ultrasonic Doppler probe which comprises an ultrasonic transducer mounted on a shell, wherein the shell comprises an outer sleeve, an inner sleeve and a handle connected with the inner sleeve; the outer sleeve is a tubular body with one end being closed; a ligation window is arranged on a side wall of the tubular body; a surgical operation port is arranged at an unclosed end of the tubular body; a ligation positioning clamping slot and a transfixion positioning clamping slot are symmetrically distributed at an edge of the surgical operation port; the ligation positioning clamping slot and the ligation window are located on the same side of the tubular body; the inner sleeve is a pipe body with two ends being communicated; the length of the inner sleeve is smaller than the length of the outer sleeve; the ultrasonic transducer is mounted at one end of the pipe body of the inner sleeve; a port for mounting the handle is arranged at the other end of the pipe body of the inner sleeve; the port for mounting the handle and the ultrasonic transducer are arranged on the same side of the pipe body of the inner sleeve; a transfixion window is arranged on the other side, opposite to the ultrasonic transducer, of the pipe body of the inner sleeve. A split structure is adopted by the split type rectoscope ultrasonic Doppler probe; a ligation function of an original Doppler probe is maintained; the probe is creatively designed as the split structure and two operation stations can be formed, so that the ligation and suspension transfixion for haemorrhoid can be performed under the same probe.

A shaft rotating device for rotating a shaft of a medical instrument about its longitudinal axis relative to a handle of the medical instrument comprises an operating element for rotating the shaft. The operating element is arranged at a proximal portion of the shaft and it is in driving connection with the shaft such that the shaft is rotatable relative to the handle against frictional forces. The shaft rotating device further comprises a frictional element with a surface. The surface of the frictional element is in frictional contact with the surface of a counterpart for keeping the shaft and the handle rotationally stationary with respect to each other and movable against the frictional forces. The operating element and the frictional element are in operational connection with respect to one another such that a torque applied to the operating element decreases the frictional forces. The shaft and the frictional element are in operational connection with one another such that a torque applied to a distal portion of the shaft increases the frictional forces.

The invention discloses an intelligent road construction device, including a chassis, a fixing spring and a driving observation room. A moving wheel is mounted on the lower part of the chassis, and the upper surface of the chassis is provided with a rotating supporting rod, the upper part of the rotating supporting rod is provided with a rotating platform, and the inner part of the rotating platform is embedded with rotating beads, the fixing spring is mounted on the inner side of the rotating beads, the inner side of the fixing spring is provided with trapezoidal snap joints, the driving observation room is installed above the rotating platform, and the right side of the chassis is provided with a vibration machine, a vibration tube is installed below the vibration machine, the front endof a support mounting box is provided with a support fixing hole, and a shock absorbing pad is mounted on the inner part of the support fixing hole. According to the intelligent road construction device, the shock absorbing pad can reduce the vibration when a vibration head is in operation, and prevent the construction progress from being delayed due to the loosening between a support and the support mounting box caused by excessive vibration.

The invention discloses a modifying technique of 8-dimenhydrinate as intermediate in the medical and chemical domain, which comprises the following steps: chlorinating; evaporating nitrobenzene; generating and purifying 8-dimenhydrinate from 7, 8-dichlorocaffeine; adding 7, 8-dichlorocaffeine and pure water into purifying tank with weight rate at 1:(10 -15); adjusting pH value through sodium hydroxide and diluted sulfuric acid; drying; beating into powder; testing; packing; shortening manufacturing period by one time with the same equipment; improving operating environment; reducing working strength; saving steam from 20% to 9%; improving receiving rate from 62% to 65%.

The present invention provides a hoisting device for working in heights, specifically including a vehicle body, a lower bracket installed at a bottom of a safety ladder, a host driver fixed on the lower bracket and providing lifting power, an upper bracket installed at a top of the safety ladder, a traction rope connecting the upper bracket, the vehicle body and the host driver, and a sliding rail installed on the safety ladder, and further including a fall arrester installed on the sliding rail, a guiding device assembly installed on a back portion of the vehicle body, a stall protection device installed on the vehicle body and matched with the sliding rail, a collapsible pedal installed on a lower portion of the vehicle body and configured to carry people and goods, an operation handle fixed to an upper portion of the vehicle body and a position-limiting bracket installed on an upper portion of the safety ladder. The host driver drives, trough the traction rope, the vehicle body to ascend or descend along the sliding rail, thus enabling the vehicle body to ascend or descend so as to convey people and goods. The hoisting device is simple and convenient to operate, occupies a small floor space and can be installed without changing a structure of an original safety ladder.

The invention relates to multifunctional telescopic conversion furniture comprising a seat plate, a first groove is formed in the right side of the seat plate, a first flat plate is arranged in the first groove, a first rectangular block is arranged on the right side of the seat plate, a first sliding groove is formed in the first flat plate, a first sliding block is arranged in the first slidinggroove, and the first sliding block is connected with a second flat plate; the second flat plate is connected with a soft cushion and is provided with a second groove; the second groove is connected with a first sliding rail, a second sliding block is arranged on the first sliding rail, a first baffle is arranged in the second groove, a limiting device is installed on the second flat plate, a third groove is formed in the second flat plate and connected with a second sliding rail, a third sliding block is installed on the outer side of the second sliding rail and connected with a second baffle, and a universal wheel assembly is arranged on the seat plate. According to the invention, various shapes can be placed through modular mutual splicing, the size is small, transportation and carryingare convenient, the floor can be freely moved through the universal wheel assemblies, the floor cannot be scratched, the soft cushion is blocked by the first baffle and the second baffle, the soft cushion cannot be exposed outside, and stains are prevented from polluting the soft cushion.

The invention discloses a technology for producing distilled wine by use of grape skin residue, which comprises the following steps of: fermenting the grape skin residue in a cellar, carefully choosing raw materials and preparing for discharge of the cellar, feeding the raw materials into a comprehensive extraction tank, adjusting a steam valve, connecting a condenser, removing foreshot, performing wine detection and feeding into a tank, removing tail wine, filling purified water, extracting the mixed liquid, performing solid-liquid separation, filtering the mixed liquid by a filter, adsorbing the extraction liquid to a column, washing the chromatographic column with water, performing chromatographic column desorption, flushing the chromatographic column, concentrating the desorption liquid and concentrating and spray-drying the desorption liquid. The technology disclosed by the invention adopts the grape skin residue as the raw material and has the advantages of high efficiency, high yield and high quality of the obtained distilled wine.

The invention discloses a gain adaptive adjustment method for mapping a gesture motion to an interface, comprising the following sequential steps: S1. collecting video; S2. detecting the user's hand and face; S3. recognizing the width information of the hand in the video; S4 . Obtain the position information of the user's hand movement; S5. Calculate the moving speed of the user's hand in the physical operation space; S6. Use the function of the gain between the cursor and the moving speed of the human hand constructed for the current gesture interaction system on the moving speed of the human hand to calculate Adaptive cursor movement speed; S7. Carry out weighted summation and smoothing on the cursor movement speed; S8. Calculate the movement increment of the cursor output between frames on the display screen; S9. Make a response on the display screen; repeat the steps S4-9. When the distance between the user's hand and the camera in the direction of the optical axis changes, the method can still maintain the relative stability of the gain between the cursor and the user's hand, thereby realizing natural and stable manipulation of the cursor.

The invention discloses a foldable scaffold and an erecting method thereof. The foldable scaffold comprises supporting rods, lantern rings, first hinge shafts, horizontal rods and base plates, the surfaces of the four supporting rods are each sleeved with three lantern rings, the surfaces of the lantern rings are each provided with two first hinge shafts, the tail ends of the first hinge shafts are each provided with one horizontal rod; a base plate is attached to the surface of the top end of each horizontal rod, the each horizontal rod is connected with the other horizontal rod through a folding structure, and the each horizontal rod is connected with the corresponding base plate through a limiting structure. According to the foldable scaffold and the erecting method thereof, through the arrangement of the folding structure and the like, the problems that installation can be achieved only through mutual cooperation of professional workers and professional installation tools, physical output of the workers is large, the use cost of the foldable scaffold is increased, and after assembly is completed, movement and adjustment cannot be easily conducted are effectively solved; the two groups of horizontal rods can be connected through the folding structure, so that the practicability of the foldable scaffold is improved.

The invention discloses an intelligent road construction device, which includes a chassis, a fixed spring and a driving observation room. Moving wheels are installed under the chassis, and a rotating support rod is arranged on the upper surface of the chassis. A rotating platform is installed, and the inside of the rotating platform is inlaid with rotating beads, the fixed spring is installed on the inner side of the rotating bead, and a trapezoidal buckle is arranged on the inner side of the fixed spring, and the driving observation room is installed above the rotating platform. A vibrator is arranged on the right side of the chassis, and a vibrating tube is installed under the vibrator, a bracket fixing hole is arranged at the front end of the bracket installation box, and a shock pad is installed inside the bracket fixing hole. The shock-absorbing pad of the intelligent road construction device can reduce the vibration when the vibrating head is in operation, preventing the construction schedule from being delayed due to looseness between the bracket and the bracket installation box due to excessive vibration.

The invention relates to the technical field of battery processing, and discloses a battery pole piece coating machine, which includes a support table, a conveyor belt is fixedly installed on the surface of the support table, and a clamping device is fixedly installed on the top of the conveyor belt. A slide plate is fixedly installed on the front side of the support platform, a notch is opened on the surface of the slide plate, a guide plate is fixedly installed on the surface of the slide plate, and a stirring device is fixedly installed on the top of the support platform. In this battery pole piece coating machine, when the spray head is in contact with the pole piece, the striker will shrink, and then the glue used for coating will be sprayed on the pole piece. When the spray head moves upward, the striker will pass through the tension spring. The action force is reset, which is convenient and timely to quickly block the glue in the nozzle, thereby preventing the glue from dripping on the workbench, ensuring the reasonable use of the glue, improving the cleanliness of the workbench, improving the reasonable utilization rate of the glue, and reducing the Waste of resources and reduce production costs.

The invention provides a cutting tool belonging to the machining field, in particular to a seed crystal cutting machine which is a high-efficiency seed crystal cutting machine used for removing seed crystals in quartz crystal wafers. The seed crystal cutting machine comprises a machine frame, a feeding mechanism, a positioning mechanism, a cutting mechanism and the like. The feeding mechanism comprises a cam, a connecting rod and a slide block; the positioning mechanism comprises a reference plane positioned on the slide block, a x-axis movable block and three bolts; and cutting mechanism comprises a motor and a grinding wheel blade. The seed crystal cutting machine utilizes the motor to drive the grinding wheel blade to rotate at a high speed for cutting, so that the seed crystal removing technology is simplified, the production efficiency is improved, the quality of seed crystal removal is improved, equipment is simplified, and the cost and the space resources are saved. The seed crystal cutting machine has higher adaptability for processing different materials.

The invention discloses a firefighting remote-control big rope crossing device which comprises a remote control unit, a heart-shaped main body box and a side board box. A switch button is arranged at one end of the heart-shaped main body box, a waterproof cover which can be moved for opening is arranged on the outer side of the switch button, a battery, a hoist, a relay module, a remote control unit circuit board and a motor control module, the remote control unit circuit board is used for receiving signals of the remote control unit, the motor control module is used for controlling a driving motor which is arranged in the side board box, and the outer side of the driving motor is connected with a V-shaped groove pulley. The firefighting remote-control big rope crossing device is light and portable, an operator can remotely control the device to move forwards and backwards on a rope bridge or a steel rope through the remote control unit, and the device has various functions like speed adjusting, forward, backward and downward lighting, loudspeaker warning, electronic braking, heavy object lifting and own working condition displaying and can be widely used in large-span large-space disaster accident rescue sites and firefighting training at ordinary times.

The invention relates to oxygen supply equipment with ear pressure sore prevention function for intensive care department. The oxygen supply equipment comprises an oxygen mask, and further comprises a headrest; and a sinking groove matched with the head is formed in the headrest base, and the headrest base is provided with an adjusting assembly used for adjusting and supporting the oxygen mask. According to the oxygen supply equipment with the ear pressure sore prevention function for the intensive care department, through cooperative use of the headrest base, the oxygen mask, the sinking groove and the adjusting assembly, after the head of a patient lies on the inner side of the sinking groove, the position of the oxygen mask can be adjusted through the adjusting assembly, so that the oxygen mask is tightly attached to the oral cavity of the patient, and oxygen is supplied to patient by an external oxygen machine. According to the technical scheme, compared with a traditional oxygen mask, the oxygen mask has the advantages that a using method of fixing a rope belt or binding with a rubber band is omitted, and therefore the problems that when the traditional oxygen mask is used, the patient feels uncomfortable, and auricle pressure sores exist are fundamentally solved.