38results about How to "Reduce relative range of motion" patented technology

In an oscillation type linear actuator for reciprocally moving a plurality of moving members held in parallel with each other in a predetermined direction owing to electromagnetic action between a stator and them, two moving members reciprocally moving in opposite phases with each other are coupled by a coupling member having spring function, and a non-displacing portion of a plate spring portion of the coupling member which is not displaced substantially is restricted by a stopper. Even when an external force is applied to one of two moving members reciprocally moving in the opposite phases each other, motion of the other moving member is transmitted to the moving member via the coupling member, so that reduction of amplitude of the moving member to which the external force is applied can be restricted, and a balance of amplitudes of two moving members is maintained.

A removable gripping device for a container has two clamp-forming members which are mounted to a gripping body, one of which can move longitudinally between an open position and a closed position; movement elements which are designed to move the aforementioned mobile member; and actuation devices which can move in relation to the gripping body. The above-mentioned actuation devices are mounted so as to move longitudinally between a rest position and an actuation position, whereby the actuation devices cause a lever to move from the retracted position to the deployed position thereof.

Hooks for controlling movement of heddle cords in a Jacquard weaving loom are each displaced by a knife, between a position of top dead center, wherein each hook may be immobilized by a selection device, and a position of bottom dead center. Each hook includes a body provided with a catch that engages a corresponding knife and a metal blade that is relatively movable with respect to portions of the body adjacent the catch and that interacts with the selection device to selectively retain the hook in the top dead position thereof.

A removable gripping device for a container has two clamp-forming members which are mounted to a gripping body, one of which can move longitudinally between an open position and a closed position; movement elements which are designed to move the aforementioned mobile member; and actuation devices which can move in relation to the gripping body. The above-mentioned actuation devices are mounted so as to move longitudinally between a rest position and an actuation position, whereby the actuation devices cause a lever to move from the retracted position to the deployed position thereof.

The invention discloses an energy-saving type floatable ocean platform movement control device, comprising a self-energized magneto-rheological controller, a bracket, a connection stand column, and a rigid fixing end. The magneto-rheological controller supplied with energy by a storage battery comprises a cylinder body, a pressing end cover, magneto-rheological liquid, a piston, a coil, a damping channel, a coil lead wire, a self-energy supplying device, a floating piston and an end cover. By pre-setting current strength in the storage battery of the self-energy supplying device, the movement control device outputs different control forces, so that the movement altitude of a floatable ocean platform is reduced; the operation condition is improved; and the operation efficiency is improved.

The invention relates to a suspension type coal bunker damping structure improving heat-engine plant main workshop antivibration performance; the suspension type coal bunker damping structure comprises suspension rods, a steel coal bunker, coal bunker beams, frame beams, frame columns, springs and dampers; the suspension rods are connected with the steel coal bunker and the coal bunker beams, and used for bearing the steel coal bunker gravity and providing swing rigidity; the springs are connected with the steel coal bunker and frame columns in the horizontal surface, and the elastic rigidity of the springs is reasonably designed, so a vibration period of the system formed by the springs, suspension rods and the steel coal bunker can be similar to that of the main workshop structure under major vibration effect, thus realizing frequency modulation function of the suspension type coal bunker; the dampers are connected with the steel coal bunker and the frame columns in the horizontal surface, and can provide large damping force when the steel coal bunker and the frame columns relatively move, thus limiting motion amplitude of the suspension type coal bunker, and improving structure additional damping. The suspension type coal bunker damping structure can be applied to a newly built heat-engine plant main workshop structure or antivibration reinforcement of a conventional heat-engine plant main workshop structure.

In an oscillation type linear actuator for reciprocally moving a plurality of moving members held in parallel with each other in a predetermined direction owing to electromagnetic action between a stator and them, two moving members reciprocally moving in opposite phases with each other are coupled by a coupling member having spring function, and a non-displacing portion of a plate spring portion of the coupling member which is not displaced substantially is restricted by a stopper. Even when an external force is applied to one of two moving members reciprocally moving in the opposite phases each other, motion of the other moving member is transmitted to the moving member via the coupling member, so that reduction of amplitude of the moving member to which the external force is applied can be restricted, and a balance of amplitudes of two moving members is maintained. Furthermore, since a component having the plate spring portion is used as the coupling member, it is possible to downsize the oscillation type linear actuator.

The invention relates to a self-correction platform for a camera. The self-correction platform for the camera comprises a circular ring-shaped outer fixing ring fixed onto an outer moving device, an inner fixing ring connected into the outer fixing ring through two rotary shaft assemblies and capable of turning over in the vertical direction, and a connecting table connected into the inner fixingring through two rotary shaft assemblies and capable of turning over in the horizontal direction. A connecting rod perpendicular to a plane on which the outer fixing ring is located is fixedly connected under the connecting table; and the camera is connected under the connecting rod. According to the device, through structurally arranging the rotary shaft assemblies, when the outer fixing ring andthe inner fixing ring as well as the inner fixing ring and the camera move in the horizontal direction and the vertical direction, a spring can absorb external forces moving in the directions; and through arranging rotary plates and oil in a first shell, damping movement can be realized, and rotating forces in the two horizontal and vertical directions realize rotating through damping, so that the movement ranges in the two directions are further reduced.

A method for controlling a spinning cycle of a washing machine, the method includes accelerating a drum up to a first speed at which the laundry items essentially lie firmly against the wall of the drum, detecting a movement of the detergent solution tub in at least one direction for at least one predetermined period during the rotation of the drum at a speed that is equal to or greater than the first speed, determining an amplitude of the movement for the recorded direction, determining further movement amplitudes for known or detected speeds during the predetermined period, determining a change in the movement amplitude over the speed, and controlling the spinning cycle as a function of the change of the movement amplitude.

The invention discloses a riser self-tensioning type underwater production support buoy and a mounting and recycling method thereof. The riser self-tensioning type underwater production support buoy comprises an outer layer buoy and inner layer buoys, wherein the plurality of inner layer buoys are embedded in the outer layer buoy. As the outer layer buoy is in charge of providing a tensioning force of a mooring cable and the inner layer buoys provide top tensioning forces of rigid risers, the riser self-tensioning type underwater production support buoy can conveniently provide desired top tensioning forces of the rigid risers and the mooring cable at the same time; and requirements of practical engineering application can be only satisfied by using the riser self-tensioning type underwater production support buoy in a super deep water ocean oil and gas engineering development system. As vertical motions and stresses of the rigid risers and the outer layer buoy are decoupled, the stress and motion amplitudes of the rigid risers can be reduced to be the benefit of improving the strengths and fatigue performances of the rigid risers. When the buoy is biased, secondary distribution of the top tensioning forces among the rigid risers can be avoided to be the benefit of improving the strengths and fatigue performances of the rigid risers so that the rigid risers satisfy use requirements.

The invention discloses a double-layer underwater production supporting floating barrel and installation and recycling methods thereof. The floating barrel comprises an outer floating barrel body and an inner floating barrel body, wherein the inner floating barrel body is nested in the outer floating barrel body. The outer floating barrel body is used for providing tension force of mooring cables, the inner floating barrel body is used for providing top tension force required by a rigid vertical pipe, accordingly, the double-layer floating barrel can conveniently and separately provide the top tension force required by the rigid vertical pipe and the mooring cables, and by applying the double-layer floating barrel in an ultra-deep ocean oil-gas project development system, the requirement for practical project application can be met. The perpendicular movement and stress of the rigid vertical pipe and the outer floating barrel body are decoupled, so that the stress and movement amplitude of the rigid vertical pipe are reduced, and the strength and fatigue performance of the rigid vertical pipe can be improved advantageously. The outer floating barrel body is moored on a seabed through the four mooring cables, when any one of the cables breaks off and fails, the other three cables can still maintain stability of the outer floating barrel body, and safety of the oil-gas development system is ensured.

The invention discloses a crawling robot for offshore floating platform mooring chain detection and an offshore operation method of the crawling robot. The device is composed of a plurality of modules; each module frame mechanism is of an octagonal prism structure capable of being opened and closed, four faces in eight side faces are main faces, each main face is composed of a main frame, each main frame comprises two unit frames, the main frames are connected through a connecting frame, and the connecting frame with a twisting function is adopted at the position of a twisting structure; each main frame is provided with a moving wheel, the moving wheels on the opposite main frames are at the same height, the heights of the moving wheels on the adjacent main frames are different, and the two unit frames in the main frames can be telescopically adjusted; two opposite moving wheels form a moving module, a distance between the two wheels is adjusted through a clamping mechanism, and the robot is suitable for in-situ detection of mooring chains of various ocean floating platforms, can carry various sensors, functional equipment and the like, and has wide scientific application significance and commercial prospects.

The invention discloses a movement management method combining ultrasonic wave with an abdominal pressure plate. Amovement management device based on combination of ultrasonic wave and an abdominal pressure plate comprises the implementation steps that S1, an ultrasonic probe and an abdominal pressure plate are connected to a bed plate, and it is guaranteed that the ultrasonic probe and the abdominal pressure plate are fixed relative to the position of the bed plate when ultrasonic data are collected, namely, the ultrasonic probe and the abdominal pressure plate are fixed in a laboratory or treatment room coordinate system; S2, the compression position and the height of the abdominal pressure plate are adjusted, the patient is forced to enter a shallow breathing state, and the position of the abdominal pressure plate is recorded; S3, the scanning position and the height of the ultrasonic probe are adjusted, and the positions of the ultrasonic probe in the horizontal direction and the vertical direction are recorded; and S4, the ultrasonic probe collects an abdominal ultrasonic image of the patient at the adjusted position, the tracking algorithm tracks the movement of the organ or tumor of interest in the ultrasonic image, and the position, the movement amplitude and the deformation degree of the organ or tumor of interest are obtained. According to the invention, the motion amplitude and deformation degree of the abdominal organ or the tumor are reduced, and the traceability and tracking reliability of the abdominal organ in the ultrasonic image are improved.

The vehicle door handle comprises first and second levers (8, 10) mounted such that they can rotate on a common support (4), these levers being not coaxial and arranged in such a way that the first lever (8) operates the second lever (10) which operates a mechanical link that operates the lock (26).

The invention relates to the technical field of medical teaching models, in particular to a child scalp vein model comprising a head model, a support base, a support rod, a pitch motion driving device, a shake motion driving device and a control device. The support rod has one end hinged to the head model and the other end rotatably connected to the support base. The head model is provided with avenous vascular network. The pitch motion driving device raises and lowers the head model. The shake motion driving device rotates the head model. The control device is configured to control the pitchmotion driving device and the shake motion driving device. The child scalp vein model of the invention can simulate the struggling movement of a child and effectively improve the technical level of scalp venepuncture for a medical worker.

The invention discloses a multi-modular oyster breeding pasture and raft type wave energy integration device suitable for deep and far sea. The device comprises modular oyster breeding frames and raft type wave energy devices, wherein the raft type wave energy devices are arranged between every two adjacent modular oyster breeding frames. Under the action of wave load, the raft type wave energy devices are pushed to capture wave energy to generate power through relative movement between the modularized oyster breeding frames. Relative motion response generated between the breeding frames under the action of waves is effectively utilized, meanwhile, energy is absorbed through the raft type wave energy devices to reduce the motion response, structural safety is guaranteed, and long-term stable and efficient operation of large-scale modern marine ranch operation equipment, monitoring facilities and the like is achieved.

The invention discloses a riser self-tensioning type underwater production support buoy and a mounting and recycling method thereof. The riser self-tensioning type underwater production support buoy comprises an outer layer buoy and inner layer buoys, wherein the plurality of inner layer buoys are embedded in the outer layer buoy. As the outer layer buoy is in charge of providing a tensioning force of a mooring cable and the inner layer buoys provide top tensioning forces of rigid risers, the riser self-tensioning type underwater production support buoy can conveniently provide desired top tensioning forces of the rigid risers and the mooring cable at the same time; and requirements of practical engineering application can be only satisfied by using the riser self-tensioning type underwater production support buoy in a super deep water ocean oil and gas engineering development system. As vertical motions and stresses of the rigid risers and the outer layer buoy are decoupled, the stress and motion amplitudes of the rigid risers can be reduced to be the benefit of improving the strengths and fatigue performances of the rigid risers. When the buoy is biased, secondary distribution of the top tensioning forces among the rigid risers can be avoided to be the benefit of improving the strengths and fatigue performances of the rigid risers so that the rigid risers satisfy use requirements.

The invention relates to a self-driving scooter consisting of a pedal brace or a unidirectional rotating wheel and a wheelbase telescopic device, and realizes a scooter driving method, so that the scooter does not need to be pushed by a us with a pedal in the forward process, the movement range and the fluctuation of the center of gravity of the user are reduced, the physical power consumption ofthe user is reduced, the structure is simple, the production is easy, and the scooter is convenient to carry and use.

The invention discloses an energy-saving type floatable ocean platform movement control device, comprising a self-energized magneto-rheological controller, a bracket, a connection stand column, and a rigid fixing end. The magneto-rheological controller supplied with energy by a storage battery comprises a cylinder body, a pressing end cover, magneto-rheological liquid, a piston, a coil, a damping channel, a coil lead wire, a self-energy supplying device, a floating piston and an end cover. By pre-setting current strength in the storage battery of the self-energy supplying device, the movement control device outputs different control forces, so that the movement altitude of a floatable ocean platform is reduced; the operation condition is improved; and the operation efficiency is improved.

A forging stock clamping and releasing manipulator for stamping steel balls comprises a forging stock clamping and releasing manipulator opening and closing driving mechanism, a forging stock clamping and releasing mechanism support and a forging stock clamping and releasing mechanism; the forging stock clamping and releasing manipulator opening and closing driving mechanism is arranged at the left end of the forging stock clamping and releasing mechanism support; the right end of the forging stock clamping and releasing mechanism support is a horizontal cantilever end; the forging stock clamping and releasing mechanism comprises a forging stock clamping and releasing manipulator opening and closing pulling rod, a pulling rod guide sliding seat and a forging stock clamping and releasing manipulator; the left end of the forging stock clamping and releasing manipulator opening and closing pulling rod is connected with a forging stock clamping and releasing manipulator driving action cylinder, the middle is matched with the pulling rod guide sliding seat, the pulling rod guide sliding seat is fixed to a guide sliding seat fixing plate, the guide sliding seat fixing plate is fixed to the middle of the forging stock clamping and releasing mechanism support, the right end of the forging stock clamping and releasing manipulator opening and closing pulling rod extends to the right side of the pulling rod guide sliding seat, and the forging stock clamping and releasing manipulator is arranged on a forging stock clamping and releasing mechanism support right fixing plate in a pivoted mode. The structure is simplified, and the clamping and releasing speed for a forging stock is increased.

The invention relates to the technical field of mechanical equipment, and discloses a mechanical supporting equipment with self-balancing function, which includes a base, a rectangular slot is opened on the top of the base, four sets of supporting mechanisms are arranged on the bottom of the base, and the supporting mechanisms include supporting columns, Four sets of supporting columns are respectively arranged at four right angles at the bottom of the base. The mechanical support device with self-balancing function, the present invention sets the support mechanism, the bottom end of the balance ball is set by the support column, the support spring and the bottom plate, the bottom plate is set on the ground so that the base and the mechanical body can be stable, and the top of the balance ball is set by setting The buffer column, the limit plate and the limit spring, under the joint elastic force of the limit spring and the support spring, enable the four sets of balance balls to be stably arranged in the corresponding balance chambers, and then two adjacent balance balls pass through the balance bar With a stable connection, the further stabilized balance ball enables the bottom plate to maintain the overall stability of the base.

The invention relates to a packaging box. Fixedly arranged elastic baffles (2) are arranged in a box body (1) of the packaging box; springs (3) are arranged between the elastic baffles (2) and the inner wall of the box body (1); one end of each spring (3) abuts against the inner wall of the box body (1); and the other end of each spring (3) is a free end, and a gap exists between the other end ofeach spring (3) and the corresponding elastic baffle (2). According to the packaging box, due to the fact that the elastic baffles are arranged in the box body, fragile cargos can be placed between the two elastic baffles, and non-fragile cargos are placed between the elastic baffles and the springs, and can be in contact with the elastic baffles under the supporting effect of the springs so thatcertain supporting can be performed on the elastic baffles; in use, the two sides of each elastic baffle bears certain force, the situation that because the force borne by the singular side is too large, the elastic baffles are damaged is prevented; and due to the structural type, the fragile cargos and the non-fragile cargos can be placed in the same packaging box at the same time, and thereforeusing is more flexible.

The invention provides an offshore wind turbine blade transportation fixing device. Comprising a front fixing seat, a rear fixing seat and a connecting bracket, the front fixing seat comprises a front outer ring fixing frame and a front inner ring fixing frame; each rear fixing seat comprises a rear outer ring fixing frame and a rear inner ring fixing frame; the front outer ring fixing frame and the front inner ring fixing frame are connected through a front compensation oil cylinder. The rear outer ring fixing frame and the rear inner ring fixing frame are connected through a rear compensation oil cylinder. Two sets of front blade fixing assemblies are arranged in the front inner ring fixing frame in a sliding mode and connected with the front inner ring fixing frame through front damping devices correspondingly. Two sets of rear blade fixing assemblies are arranged in the rear inner ring fixing frame in a sliding mode and connected with the rear inner ring fixing frame through rear damping devices correspondingly. The blade fixing device can adapt to fixing of blades of different specifications, is high in universality, provides buffering through the compensation oil cylinder and the damping device, and is high in safety.

The invention discloses a combined type underwater production supporting buoy and an integral mounting and recycling method thereof. The buoy comprises outer-layer buoy bodies, inner-layer buoy bodies, peripheral cross braces, internal cross braces, guiding ring plates and limiting plates. The outer-layer buoy bodies are used for providing tensioning forces for mooring cables, the inner-layer buoy bodies are used for providing tightening and tensioning forces for rigid vertical tubes, and therefore, the underwater production supporting buoy can conveniently and respectively provide the required tightening and tensioning forces for the rigid vertical tubes and the required tightening and tensioning forces for the mooring cables. As long as the combined type underwater production supporting buoy is used in an ultra-deepwater ocean oil and gas engineering development system, requirements of practical application of engineering can be met. By vertical movement and stress decoupling of the rigid vertical tubes and the outer-layer buoy bodies, the stress and the motion amplitude of the rigid vertical tubes can be reduced, and the strength and the fatigue property of the rigid vertical tubes are improved. When the underwater production supporting buoy deviates, secondary distribution of the tightening and tensioning forces of the various rigid vertical tubes can be avoided, and therefore, the strength and the anti-fatigue performance of the rigid vertical tubes are improved.