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218results about How to "Improve weight capacity" patented technology

Human-simulated external skeleton robot assisting lower limbs

ActiveCN103610568ARealize the safety requirements of mechanical limitConvenient and accurate adjustment of telescopic lengthChiropractic devicesWalking aidsThighExoskeleton robot
The invention relates to an external skeleton robot, in particular to a human-simulated external skeleton robot assisting the lower limbs. The human-simulated external skeleton robot assisting the lower limbs aims to solve the problems that an existing external skeleton robot is low in coupling degree of motion space and poor in wearing comfort, reliability and adaptation, and power needed by a motor is large. The human-simulated external skeleton robot assisting the lower limbs comprises an upper body back part, a left leg and a right leg. The left leg and the right leg respectively comprise a hip drive system, a knee drive system and a foot wearing system. A rear side connection board of the waist is in rotating connection with a load installation board. Each hip joint supporting board is provided with a first motor and a first reducer, wherein the first motor is provided with an encoder, and the output end of the first motor provided with the encoder is connected with the input end of the first reducer. Each hip joint connecting board can rotate in the vertical plane. Each thigh stretching board is in detachable connection with the corresponding hip joint connecting board. The output end of a main drive mechanism is connected with each crus connecting board. The lower surfaces of elastic boards are bonded with the upper surfaces of the rubber soles of the feet. The human-simulated external skeleton robot assisting the lower limbs can assist in walking.
Owner:HARBIN INST OF TECH

Portable energy-storage type external skeleton assisting robot

The invention relates to an external skeleton assisting robot, in particular to a portable energy-storage type external skeleton assisting robot. The problems that an existing lower limb external skeleton assisting robot worn on the human body is poor in assisting effect so that the loading capacity of the human body can be reduced, the wearing comfort for the human body is poor, the universality is poor, and the field environmental suitability is poor are solved. The portable energy-storage type external skeleton assisting robot comprises the upper body back, the left leg and the right leg, and the left leg and the right leg respectively comprise a hip driving system, a thigh driving system and a shank wearing system. A hip joint energy-storage mechanism comprises a connecting base, a stretching rod, a second spring and a stopping sheet, and a first bevel gear is meshed with a second bevel gear. Each hip driving system comprises a second motor with a coder, a second reducer, a third bevel gear, a fourth bevel gear, a thigh connecting rod, a knee joint support, a knee joint connecting plate, an angle sensor, a series connection elastic combination body, a knee joint gearbox body, a knee joint shaft and an end cover. The portable energy-storage type external skeleton assisting robot is suitable for being worn outdoors for walking assisting.
Owner:HARBIN INST OF TECH

Improved structure of step-and-track-composite-type movable robot travelling system

ActiveCN107953937AEasy to adapt to different road conditionsImprove walking stabilityEndless track vehiclesDrive motorRoad surface
The invention relates to an improved structure of a step-and-track-composite-type movable robot travelling system. According to the improved structure of the step-and-track-composite-type movable robot travelling system, a balance rocker arm hanger bracket of which the two sides are symmetrical is configured on an H-shaped chassis, and a work platform is placed at three fixing points of the balance rocker arm hanger bracket; a driving steering assembly driven by a linear travelling driving motor (54) and a steering travelling driving motor (76) is configured on the balance rocker arm hanger bracket and located on an H-shaped chassis outer bridge shell cross rod, and four supporting legs of the balance rocker arm hanger bracket are configured with joint track assemblies capable of achievingposture adjustment. According to the improved structure of the step-and-track-composite-type movable robot travelling system, the adaptability to a complex annular road surface is very high, and theflexible posture regulation and stable posture keeping capacity is achieved; the attaching profile modeling capacity of uneven complex ground automatic adaption is achieved, and disturbance of the uneven road surface on a vehicle is reduced; the weight loading capacity of the movable work platform is improved, and the stairway-climbing and obstacle crossing capacity is achieved; and through the four-wheel-driving mode, the vehicle cross-country capacity is improved, spot turn can be achieved, and the maneuverability is high.
Owner:北京履坦科技有限公司

Walking pneumatic wall-climbing robot

The invention provides a walking pneumatic wall-climbing robot and belongs to wall-climbing robots. The technical problems that an existing wall-climbing robot is complex in structure, large in power consumption, weak in loading capacity, difficult to operate and use and the like are mainly solved through the walking pneumatic wall-climbing robot. According to the technical scheme, the walking pneumatic wall-climbing robot comprises a mechanical device, a pneumatic system and suction devices; the pneumatic system comprises an air compressor and an air cylinder; the suction devices comprise suction cups and are used for achieving the suction function; the mechanical device mainly comprises a rack (2), a pair of long limb legs and at least one short limb leg; the long limb legs and the short limb legs are provided with the suction devices respectively; the rack is matched and connected with the long limb legs and matched and connected with the short limb legs respectively in a structural mode of guide rails and sliding blocks; the long limb legs and the short limb legs are installed at the lower portion of the rack (2) in a movable fit mode and connected with a lifting air cylinder installed on the rack (2). The walking pneumatic wall-climbing robot is simple and reliable in structure and high in suction capacity, and mainly can be used for dust removal, cleaning and detection of high-rise walls.
Owner:XIANGTAN UNIV

Stress application system for large-tonnage static load tests

ActiveCN103061360AImprove weight capacityIncreased weight carrying capacityFoundation testingEngineeringBox girder
Disclosed is a stress application system for large-tonnage static load tests. The stress application system comprises a box girder and counterweight boxes and is characterized in that a reinforcing plate is fixed on the middle portion of a lower platform of the box girder. Preferentially, transverse stiffening ribs at intervals of D and vertical to the length extending direction of the box girder are further arranged in the box girder. A stiffening rib reinforcing area is arranged on the inside on the middle portion of the box girder, the installation density of the transverse stiffening ribs in the stiffening rib reinforcing area is larger than that in other areas in the box girder, and the length of the stiffening rib reinforcing area is larger than the length of the reinforcing plate. By means of the stress application system for large-tonnage static load tests, the reinforcing plate is added on the support face between the box girder and a jack, the maximum durable normal stress in the middle of the box girder is increased, the stress application system is rapid and efficient, and the counter-force can reach 6000kN and 12000kN. The transverse stiffening ribs are added in the box girder, so that the capacity to resist the pressure stress in the middle and the shearing strengths at two ends is enhanced, and the loading capacity of the counterweight box is enhanced due to the improvement of the counterweight box, and the counterweight box is convenient to hoist.
Owner:CHINA MCC5 GROUP CORP +1

Gap type negative pressure adsorption wall-climbing robot

The invention relates to a gap type negative pressure adsorption wall-climbing robot, comprising a bottom plate, a negative pressure generating device, a sealing device, an advancing device and an electric control device, wherein the advancing device is of a dual-crawler type structure; the bottom plate comprises an upper bottom plate and a lower bottom plate, the upper bottom plate covers on thelower bottom plate, the lower bottom plate is suspended below the upper bottom plate by a support pillar, an air inlet hole is formed in the center of the lower bottom plate, a gap is reserved betweenthe peripheral edge of the lower bottom plate and the periphery of the upper bottom plate instead of connection, a flow guide chamber is formed between the upper and lower bottom plates, crawler walking troughs are formed in the lower bottom plate in bilateral symmetry by taking the air inlet hole as a center; the sealing device comprises a flow guide mechanism and a flow stop mechanism, the flowguide mechanism is obliquely arranged in the gap between the peripheries of the upper and lower bottom plates, the flow stop mechanism is arranged on the bottom surface of the lower bottom plate, anda plurality of quantity of sealing bulges are uniformly distributed on the lower surface of the flow stop mechanism. The robot is applicable to common wall surfaces, and meanwhile solves conflict between adsorption force and resistance in the negative pressure adsorption process, so as to flexibly move on the wall surface.
Owner:HEBEI UNIV OF TECH

Power distribution network operation robot and working method thereof

The invention discloses a power distribution network operation robot and a working method thereof. The robot comprises an electric pole climbing device and a grounding wire clamp hanging device. The electric pole climbing device comprises an upper support and a lower support which are arranged in the axial direction of an electric pole, and a telescopic assembly is arranged between the upper support and the lower support. The upper support and the lower support are each provided with an overturning assembly, and each overturning assembly is provided with two holding assemblies which move synchronously. The holding assemblies act and are used for holding or loosening an electric pole. A torsion assembly is further arranged between the upper support and the lower support, and the torsion assembly acts and is used for selectively driving the upper support or the lower support to rotate around the electric pole. The grounding wire clamp hanging device comprises an extension seat, the extension seat is suitable for being installed on the electric pole climbing device and extends in the direction away from an electric pole, a first driving assembly is arranged on the extension seat, a placement seat is arranged at the upper end of the first driving assembly, and a plurality of grounding wire clamps are sequentially placed in the placement seat. The robot can climb an electric pole and hang a grounding wire clamp on a high-voltage cable.
Owner:GUANGDONG POWER GRID CO LTD +2

A portable energy-storage exoskeleton power-assisted robot

The invention relates to an external skeleton assisting robot, in particular to a portable energy-storage type external skeleton assisting robot. The problems that an existing lower limb external skeleton assisting robot worn on the human body is poor in assisting effect so that the loading capacity of the human body can be reduced, the wearing comfort for the human body is poor, the universality is poor, and the field environmental suitability is poor are solved. The portable energy-storage type external skeleton assisting robot comprises the upper body back, the left leg and the right leg, and the left leg and the right leg respectively comprise a hip driving system, a thigh driving system and a shank wearing system. A hip joint energy-storage mechanism comprises a connecting base, a stretching rod, a second spring and a stopping sheet, and a first bevel gear is meshed with a second bevel gear. Each hip driving system comprises a second motor with a coder, a second reducer, a third bevel gear, a fourth bevel gear, a thigh connecting rod, a knee joint support, a knee joint connecting plate, an angle sensor, a series connection elastic combination body, a knee joint gearbox body, a knee joint shaft and an end cover. The portable energy-storage type external skeleton assisting robot is suitable for being worn outdoors for walking assisting.
Owner:HARBIN INST OF TECH

Rigid-flexible coupling clamping device

The invention provides a rigid-flexible coupling clamping device. A clamping mechanism comprises two clamping parts and a fixing part which is connected with the two clamping parts. The two clamping parts each comprise a first flexible clamping rod and a second flexible clamping rod. One end of each first flexible clamping rod is connected with the fixing part, and the other end of each first flexible clamping rod is connected with the corresponding second flexible clamping rod. Each clamping part further comprises a rigid clamping rod and a rigid clamping driving rod, wherein each rigid clamping rod and each rigid clamping driving rod are used for increasing the load bearing capacity of the clamping device, and the rigid clamping rods are hinged to the second flexible clamping rods. The two ends of each rigid clamping driving rod are hinged to the corresponding rigid clamping rod and the fixing part. A driving mechanism is hinged to the rigid clamping driving rods of the two clampingparts, so that the rigid clamping rods are driven to move by driving the rigid clamping driving rods, and the power is transmitted to the first flexible clamping rods and the second flexible clampingrods, so that clamping or unfolding movement of the two clamping parts is achieved. The rigid-flexible coupling clamping device has the beneficial effects that the clamping flexibility and the load bearing capacity can be considered at the same time, so that the universality and the practicability of the clamping device are greatly enhanced, and the clamping device can be suitable for various application occasions.
Owner:FOSHAN UNIVERSITY
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