71results about How to "Achieve floating" patented technology

The invention discloses a capsule endoscope magnetic control navigation device for medical treatment. The capsule endoscope magnetic control navigation device for medical treatment is used for actively controlling movement of capsules in the use process of a capsule endoscope, so that the stomach wall can be completely and effectively detected. The device comprises a hybrid magnetic field generator, a multi-DOF (multi-degree of freedom) motion mechanism and a controller, wherein the multi-DOF motion mechanism is used for carrying the hybrid magnetic field generator to move in a detection area so as to adjust spatial distribution of a magnetic field; the hybrid magnetic field generator comprises a permanent magnet and an electromagnetic coil, can generate a strong magnetic field used for guiding the capsules to move and can adjust the intensity of the magnetic field to a certain degree according to control signals; the controller controls the multi-DOF motion mechanism to move by receiving a control instruction of an operator and feedback signals of a sensor and controls coil current of the hybrid magnetic field generator. The device can guide the capsule endoscope to move in the stomach of a human body in the fixed modes including floating, fixed point floating, posture adjustment and the like, and accordingly, the capsule endoscope can automatically and completely detect the whole stomach wall.

A shaft-distribution-oil link-type oil hydraulic motor is improved on the basis of the original shell, the shaft-distribution-oil configuration, the rotating shaft, and the plunger piston-link assembly, etc., namely that the shaft-distribution-oil configuration consists of an oil-through disk and an oil distribution jacket. No.1 and No.2 hydraulic fluid ports are opened on the oil-through disk, and No.1 and No.2 ring grooves are opened on one of the interfaces of the oil-through disk and the oil distribution jacket to airproof and form No.1 and No.2 oil reservoirs; at the same time, No.1 and No.2 under cut slots which are separated by the contact crown faces are symmetrically opened on the same ring face of the inner wall of the oil-through jacket. The No.1 and No.2 under cut slots are arranged between the No.1 and No.2 oil reservoirs to airproof and form the No.1 and No.2 main oil reservoirs. A plurality of flow passages corresponding to the main oil reservoirs and connected with the plunger piston are arranged on the rotating shaft. The adopted structure forms the oil-through configuration and the oil distribution configuration into adjacency configurations, approximately distributing in the same orientation to greatly decrease the axial size of the oil distributor, and make the structure of the oil hydraulic motor closer and more reasonable.

The invention provides an assistance manipulator and a control system thereof. The assistance manipulator comprises a fixed stand column, a rotating joint, a rotating stand column, a balance cylinder, a parallelogram mechanism, a trajectory self-balance machine 6, a swing joint, a terminal actuation mechanism, a fixture, and a control system. When a force arm at one end of the assistance manipulator is changed, a force arm at the other end is also changed, and a fixed proportional relation is kept, so that a counter force is always balanced with a reaction arm no matter high-low motion, left-right motion and rotating motion of workpieces, the workpieces are always located in a floating state, the gravity is overcome, and the assistance function is realized. The assistance manipulator realizes floating of objects through combined application of the force balance self-adaption and the pneumatic principle, performs zero-gravity carrying and assembly for the objects, realizes hoisting, plane movement and overturning of weights through micro force of human hands, and is smooth and balanced in the motion process.

The invention relates to a vibration isolation device for reducing the vibration of building units and equipment foundations in the running process of railbound vehicles, which comprises a bearing stop dog and a spring vibration isolator. The bearing stop dog and the spring vibration isolator are arranged in reserve through holes of vibration isolating members; the spring vibration isolator is arranged below the bearing stop dog; the bearing stop dog is provided with at least two hanger rods capable of rotating, translating or swinging; and a transverse extending-outward hanging-connecting stop dog is arranged at the lower part of the hanger rod. The vibration isolation device has compact and reasonable structure and convenient maintenance, solves the problem in the prior art that the bearing stop dog is difficult to restore once being damaged, has good vibration isolation effect, saves materials and reduces the cost on the premise of not influencing the vibration reducing effect, has wider range of application, is easy to process and manufacture and considers economic effect and environmental protection effect; a jacking mounting method of the vibration isolation device has convenient operation and reliable effect; and the vibration isolation device provides more application choices for vibration noise environment control of the construction of equipment, the railbound vehicles and building factories, is particularly suitable for the vibration isolation of a rail floating road bed and building floor or equipment foundation, and has broad popularization and application prospect.

The invention discloses a churn compaction drill bit which consists of a first hard alloy ball tooth, a drill bit body, a sealing cover, a lower joint, an anvil block, backsprings, second hard alloy ball teeth, sealing rings and third hard alloy ball teeth, wherein the drill bit body adopts a single-head or multi-head conical spiral cutting edge; the first hard alloy ball tooth, the second hard alloy ball teeth and the third hard alloy ball teeth are embedded and welded into the top end and the surface of a conical body; exhaust holes are formed in the bottom of the drill bit body along the radial direction and are used for cooling the edge teeth of the drill bit and the outer surface of the drill bit body; the anvil block and the drill bit body adopt a split type design and are connected with each other through trapezoidal threads to well meet a rotation working condition; the backsprings are used for quickly resetting the anvil block under a condition of no external load; the backsprings are matched with an impactor to keep a continuous counter impact working condition; the sealing cover is in interference fit with the drill bit body and is welded with the drill bit body; the fluororubber sealing rings are arranged between the sealing cover and the lower joint. The churn compaction drill bit can be matched with an impact spear to realize churn compaction drilling, is generally suitable for stratums such as a frozen earth layer, a sand layer and a sandy gravel layer and can achieve higher drilling efficiency and high drilling quality.

The invention provides a novel super level directed drilling machine comprising a crossbeam. A chassis is mounted on the lower part of the crossbeam. A crossbeam adjustment oil cylinder and a crossbeam elevation angle oil cylinder are correspondingly fixed at both ends of the chassis. Multiple supporting seats are mounted at the bottom portion of the crossbeam through a crossbeam sliding plate. The supporting seats are connected with the crossbeam adjustment oil cylinder and the crossbeam elevation angle oil cylinder through fasteners. A crossbeam sliding oil cylinder and supporting legs are further mounted at the bottom portion of the crossbeam. A workbench is arranged at one end of the upper portion of the crossbeam. A static vice, a front dynamic vice and aback dynamic vice are installed correspondingly on the workbench. A double-drill -pipe structure penetrates through a vice. Double drill pipes comprise the inner drill pipe and the outer drill pipe. The inner drill pipe penetratesthrough the inside of the outer drill pipe. A walking trolley is installed at the other end of the upper portion of the crossbeam. A front power head is installed on the walking trolley. The front power head is connected with the outer drilling pipe by a front power head short joint. A back power head is arranged on the crossbeam and the back power head is connected with the inner drilling pipe by a back power head short joint. A push and pull oil cylinder is installed on the walking trolley. The output end of the push and pull oil cylinder is connected with the back power head. The novel super level directed drilling machine is reliable in operation.

The invention discloses a clamping and unscrewing device for an iron driller of oil drilling machine. The clamping and unscrewing device capable of clamping and unscrewing a drill stem comprises a support, lifting cylinder, a vertical pin, an unscrewing tongs mechanism, a clamping tongs mechanism, a tongs box and a laminated spring. The unscrewing tongs mechanism and the clamping tongs mechanism are capable of floating through the laminated spring; the vertical pin penetrates through the unscrewing tongs mechanism and the clamping tongs mechanism to be connected with the support so as to achieve the guiding function; a lifting mechanism is formed by the lifting cylinder, the vertical pin and the tongs box; unscrewing tongs and clamping tongs are driven by the lifting mechanism so as to be aligned with connection heads of the drill stem; and the clamping tongs mechanism is capable of achieving the function of clamping the lower drill stem and the unscrewing tongs mechanism is capable of achieving the function of clamping the upper drill stem and then unscrewing the drill stem. The clamping and unscrewing device for the iron driller is simple in structure, convenient to use, stable in operation with little damage to the drill stem, good in parts interchangeability, low in production cost, large in output torque, wide in suitable range for the drill stem, and easy to maintenance owing to the basic separation of lifting, clamping and unscrewing.

The invention discloses a composite lightweight aggregate ecological cement concrete floating bed. The composite lightweight aggregate ecological cement concrete floating bed is prepared from, by weight, 20-30 parts of pumice stones, 2-5 parts of EPS polyphenyl granules, 20-30 parts of cement, 9-16.5 parts of water, 0.2-0.3 part of water reducer and 0.1-0.2 part of thickening time control agent, wherein the particle size of the pumice stones ranges from 26.50 mm to 31.50 mm, and the diameter size of the EPS polyphenyl granules ranges from 20.00 mm to 30.00 mm. Vegetation holes formed after logs are taken out can achieve a fixing effect on aquatic plant seedlings, and the root systems of aquatic plants can more easily make contact with water; the porosity of the concrete floating bed is large, and sufficient space can be provided for growth of the plant root systems; the pumice stones and the EPS polyphenyl granules are compounded, the density of the floating bed is reduced, and floating is achieved; by means of the porous adsorption capacity of cement hydration products and the pumice stones, an adsorption effect is generated on nutritional ingredients in a eutrophic water body, then nutrients are provided for the aquatic plants rooting in the floating bed, nutrients can be provided for the aquatic plants dually through the floating bed and the eutrophic water body, and a good effect is achieved for improving the purification capacity of the eutrophic water body.

The invention discloses a bucket cylinder, and belongs to the technical field of oil cylinder development. The bucket cylinder comprises a cylinder component and a piston component, wherein the piston component sleeves the inner circumferential surface of the cylinder component; a piston rod of the piston component is adhered to the inner circumferential surface of a small circular inner diameter part of a guide sleeve of the cylinder component; an annular gap is formed between the piston rod and the inner circumferential surface of the large circular inner diameter part of the guide sleeve; the piston of the piston component is adhered to the inner circumferential surface of the cylinder of the cylinder component; the piston rod, a screw nut and a rear buffer sleeve of the piston component, and the cylinder bottom of the cylinder component form a rear buffer; a front buffer sleeve, the piston and the piston rod of the piston component and the and the guide sleeve of the cylinder component form a front buffer. Due to automatic flotation centering of the front buffer sleeve and the rear buffer sleeve, a good buffer effect is achieved, the requirement on the coaxiality of components is low, and the components are easy to process.

The invention discloses a slender type double-shaft mixer with a heating heat-preservation function and belongs to the technical field of hot in-place recycling of asphalt pavements. The slender typedouble-shaft mixer comprises a mixing cylinder and two stirring shafts. The mixing cylinder is constituted by an outer cylinder body and an inner cylinder body, and the part between the outer cylinderbody and the inner cylinder body is filled with a heat-preservation material; an abrasion-resistant lining plate is mounted in the mixing cylinder in a sleeved mode, and the top of the mixing cylinder is covered with a heating plate; each stirring shaft is in a sectional type, and the sections of each stirring shaft are connected through connecting short shafts; mounting frames are arranged in the positions, on the upper portions of the connecting short shafts, of the mixing cylinder and provided with bearing seats in a hoisting mode; and the connecting short shafts are mounted in the bearingseats. The adopted structure is convenient to maintain, errors are small, and a new asphalt and used asphalt mixture is heated and mixed, so that a constructed asphalt pavement is higher in quality and better in effect.

The invention discloses a dish-shaped aircraft, relates to the technical field of aircraft, and provides an aircraft with increased functions of floating and diving on the water surface of the aircraft, high controllability, strong stealth capability and high thrust utilization. The auxiliary devices of the aircraft are packaged and integrated to form a saucer-shaped diving cabin with controllable airtightness. The saucer-shaped diving cabin is placed on the concave side of the saucer-shaped skirt wing to realize the floating and diving of the aircraft; The louver system is lower than three sets, and the louver system forms an annular array with the central axis of the dish-shaped skirt wing as the axis, thereby improving the controllability; the rectifier tube of the power system adopts the design of anti-radar detection and wind gathering.

The invention relates to the technical field of machining, in particular to a shaft radial floating tapping mechanism. The shaft radial floating tapping mechanism comprises a screw tap and a screw tapfixing mechanism, a floating connecting rod and a connecting rod sleeve piece, wherein the screw tap fixing mechanism is used for installing the screw tap, the screw tap fixing mechanism is fixedly connected with the floating connecting rod, a blind hole is formed in the connecting rod sleeve piece, and the floating connecting rod is inserted into the blind hole of the connecting rod sleeve piece; a first elastic part is arranged between the end part, far away from the screw tap, of the floating connecting rod and the connecting rod sleeve piece; the connecting rod sleeve piece is provided with a through pin hole in the radial direction, a through hole is formed in the floating connecting rod in the radial direction, the length and the width of the through hole are both larger than the diameter of the pin hole, a transmission pin penetrates through the pin hole and the through hole, and a limiting mechanism used for fixing the position of the transmission pin is arranged on the floating connecting rod; and the outer diameter of the floating connecting rod is smaller than the inner diameter of the blind hole, and a plurality of second elastic pieces are arranged between the floating rod piece and the inner wall of the blind hole. According to the shaft radial floating tapping mechanism, the length and the width of the through hole are both larger than the diameter of the pin hole, the axial displacement and the radial displacement of the floating connecting rod and the connecting rod sleeve can be realized, and axial and radial floating can be realized.

The invention discloses a hull of a pile driving barge. The hull comprises a base and a deck, wherein the base comprises a plurality of hollow cavities, the base is connected to the deck through support pillars, the base is provided with a pressure unloading and loading device for water, and the pressure unloading and loading deice is used for pumping or filling water from the hollow cavities, so that floating and subsidence of the hull can be controlled. Through a floor type manner, the hull is fixed on a seabed; through design of the support pillars, the influence of offshore sea waves on stability of the hull can be reduced; through the annular hull, stability of the hull can be increased, the weight of the hull is reduced, and high-efficiency floating and subsidence can be implemented.

The invention discloses a floating clamping jaw self-adapting to a bricking stack and relates to the field of clamping devices. The floating clamping jaw comprises a hanging frame, a floating device and a clamping device which are sequentially connected. The floating device comprises a base connected with the hanging frame, a linear floating plate slidably arranged on the base and a circular rotating floating plate which is rotatably arranged on the linear floating plate and connected with the clamping device. The sliding direction of the linear floating plate is parallel to the clamping direction of the clamping device, and a first limiting block is arranged on the side face, parallel to the sliding direction of the linear floating plate, of the linear floating plate; the base is provided with a first clamping mechanism for clamping and loosening the first limiting block; the rotating axis of the rotating floating plate is perpendicular to the end face of the linear floating plate, and the outer circle face of the rotating floating board is provided with a second limiting block; and a second clamping mechanism for clamping and loosening the second limiting block is arranged on the linear floating plate. The clamping device of a brick clamping machine can be self-adapted to tightly clamp floating in the direction of the bricking stack, and manually adjustment of an operator of a power vehicle for the clamping device is not needed.