25 results about "Arm folding" patented technology

The invention relates to the technical field of AGVs, in particular to an AGV and a method for retracting and releasing a fork arm of the AGV, the overall structure of the AGV is improved, a fork arm assembly is driven by a portal assembly to move in the X-axis direction with a frame assembly as a base point, a fork arm stretching and forking structure of a fork arm in a traditional fork arm is replaced, a power source is reduced, and the labor intensity of workers is reduced. Meanwhile, the fork arm assemblies connected to the same portal assembly can achieve the step of better synchronous fork stretching and retracting, the fork arm structure is simpler, driving work is more reliable, the structure that an upper plate and a lower plate in a traditional fork arm are integrally opened is improved, the structure of double shear forks and a supporting plate is adopted, the fork arm can adapt to the forking condition of a Chinese character'tian '-shaped support, and the forking efficiency is improved. Forking the matts-shaped tray; the adaptive fork arm folding and unfolding method can show good adaptability in practical application.

The utility model discloses an automatic arm folding machine which comprises a workpiece limiting structure and a workpiece bending driving structure. The workpiece bending driving structure comprises a rotating shaft and a driving assembly. The driving assembly is characterized in that at least one pressure sensor is fixed to a fixing plate; the movable plate is fixed at the signal receiving end of the sensor; the support assembly comprises supports which are symmetrically arranged, and rotating grooves are formed in the opposite sides of the supports. Connecting shafts matched with the rotating grooves are arranged on the two sides of the roller. The buffer assembly comprises a buffer rod and a second guide rod fixed to the buffer rod, a second guide channel is formed in the movable plate, the second guide rod penetrates through the second guide channel and then is fixedly provided with a limiting ring, and the portion, between the buffer rod and the movable plate, of the second guide rod is sleeved with a buffer spring. According to the utility model, automatic assembly is adopted, the fatigue of the folding arm can be tested, the test action is circulated, the test can be carried out until the arm fails, or the test times can be set.

The utility model discloses a folding type quick-release machine body of a crossing machine. The folding type quick-release machine body comprises a camera (4), a central fixing plate (6), a cabin (7) and a machine arm folding mechanism (5), the camera (4) and the cabin (7) are fixed on the central fixing plate (6) through a limiting mechanism fixing screw hole (9) at the front end of the central fixing plate (6); and the arm folding mechanism (5) is fixed on the central fixing plate (6). The whole machine adopts a modular design, the number of parts is small, the machine arms adopt a foldable design, and the problems that the number of parts of an original crossing machine is large, disassembly and assembly are complex, and storage and carrying are inconvenient are solved.

1. The name of the design product: chair (papaya arm folding chair). 2. The use of the design product: furniture for rest. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

The utility model provides a boat support buffer position carrying manipulator with an upper and lower arm folding structure, which comprises a carrying assembly, the carrying assembly comprises two support frames, two upper linear modules, an upper mounting seat, a guide frame, a lower linear module, a lower mounting block, two boat support clamping jaws, a support plate and a middle clamping jaw; the two upper linear modules are installed on the inner top walls of the two supporting frames correspondingly. The telescopic mechanical arm structure can be formed through combination of the upper linear module and the lower linear module, when the mechanical arm structure is located at the buffering position, the upper linear module corresponds to the lower linear module in position, namely, the mechanical arm structure is in a folded state, the size of the mechanical arm is reduced at the moment, space in the X-axis direction is saved, and when the mechanical arm structure works, the mechanical arm is not prone to falling off. The upper linear module drives the upper mounting base to move along the X axis, the lower linear module drives the lower mounting block to move along the X axis, at the moment, the mechanical arm is unfolded from the folded state, and the quartz boat can be carried.

The application discloses a handrail bending equipment for sofa production and relates to the field of sofa production.The handrail bending equipment comprises a rectangular frame, two supporting blocks and a bending assembly, further comprises an adjusting assembly capable of adjusting the distance between the two supporting blocks and a protection mechanism, the two supporting blocks are arranged in the interior of the rectangular frame and are slidably connected with the lower inner side wall of the rectangular frame, the opposite sides of the two supporting blocks are both arranged in an inclined manner, the adjusting assembly is arranged in the interior of the rectangular frame, two bidirectional threaded rods in the adjusting assembly are respectively arranged horizontally on the front and back sides of the interior of the rectangular frame, and the rod walls of each bidirectional threaded rod are threadedly connected with the two supporting blocks at both ends. The application can press and fix the two ends of the metal plate during the bending of the metal plate, can protect the surface of the plate, thereby preventing the metal plate from bouncing out and preventing the metal plate from flying out when the metal plate is broken, avoiding the harm to the operator, improving the safety and being convenient for people to use.

A drone includes arms rotatable between an extended position and a retracted position. Coupling mechanisms are operable to retain the arms in their extended position. The coupling mechanisms each include a latch being movable from an engaged position in which the relevant arm is held in its extended position and a release position in which the relevant arm is free to move between its extended position and its retracted position. The latches are biased towards their engaged positions. Each coupling mechanism may include a lock that holds the latch in its release position, the latch being released from the lock by rotation of the first arm into its extended position. Release of the latch engages a cam on the relevant arm to hold it in its extended position.

To provide a garment hanger which is capable of passing a neckline with left and right arms folded downward, opening the arms and maintaining them afterward and, at the same time, whose number of components is reduced to lower manufacturing costs easily.SOLUTION: A garment hanger includes: a body 3 having nearly U-shaped leg parts 2 in a lateral view on the left and right below a hook part 1; a rise part 8 which is integrated by a connection part 7 around a shaft extending in a back and forth direction and is provided with freely openable / closable left and right arms 5, 6, the open left and right arms 5, 6 extending upward from the connection part 7; a straddle 9 which extends from the rise part 8 outward in the horizontal direction and in a chevron shape and straddles a lower end of the leg parts 2; and shoulder parts 10 extending outward in the horizontal direction from the straddle 9. When the connection part 7 moves in the direction rising relatively to the body 3, the straddle 9 leaves away from the lower end of the leg parts 2.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of unmanned aerial vehicle structures, and discloses a tool-free fast folding arm and an unmanned aerial vehicle, the tool-free fast folding arm comprises a fuselage, arms and wings, the wings and the arms are arranged on the fuselage, the arms comprise a rear arm and a front arm, one end of the rear arm is provided with an arm rear folding piece, and the other end of the rear arm is provided with a front folding piece. An arm front folding piece is arranged at one end of the front arm, the arm front folding piece is connected with an arm rear folding piece through a fixed end, and a ball pin is arranged on the arm rear folding piece; according to the unmanned aerial vehicle, the vehicle arms are unfolded, the rear vehicle arm and the front vehicle arm are ingeniously locked through the lock pins, falling or rotation caused by structure loosening due to vibration of a vehicle body engine is prevented, connection is stable, the anti-pressure capacity is high, after the front vehicle arm is folded, storage and transportation of the unmanned aerial vehicle are facilitated, operation is easy in the whole process, no tool is needed, and the unmanned aerial vehicle is convenient to use. And meanwhile, the repair and maintenance cost is low.

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a rotor unmanned aerial vehicle arm folding structure which comprises shells and grooves, the grooves are formed in the shells, dismounting mechanisms are arranged in the shells, the two shells are fixedly connected with a mounting frame through bolts, and the mounting frame is fixedly connected with the mounting frame through bolts. And a mounting hole is formed in the mounting frame, a square block is arranged in the groove in a clearance fit mode, and a folding mechanism is arranged below the square block. The pull ring drives the supporting rod to slide, the supporting rod drives the first circular ring to move, the first circular ring slides on the outer wall of the sliding rod and compresses the spring, the first circular ring drives the pin rod to move, and the pin rod is separated from a clamping groove formed in the second circular ring. The spring drives the first circular ring to slide reversely under the elastic effect, the first circular ring drives the pin rod to move, the pin rod is inserted into a corresponding clamping groove in the second circular ring, and the position of the second circular ring is positioned.

The utility model relates to the technical field of hoisting equipment, in particular to a lifting hoist folding arm crane which comprises a square stand column, a first rotating arm and a second rotating arm. A linear guide rail is arranged on the square stand column, the sliding block is connected with the cantilever installation base, the first rotating arm is hinged to the installation base, the second rotating arm is connected with the first rotating arm through the rotating joint assembly, and the hook is arranged on the second rotating arm. And the electric hoist drives the cantilever mounting seat to move along the guide rail to lift the hoisted object. Swing of a hoisted object is reduced by enabling the hoisted object to be close to the hook, and flexibility is improved through the secondary folding arm design. Damping pieces are further arranged to adjust rotation resistance, and sliding rails are arranged to adjust the positions of the hooks. Swing and collision of a hoisted object in the hoisting process can be effectively avoided, and the operation flexibility and safety are improved.

A drone includes arms rotatable between an extended position and a retracted position. Coupling mechanisms are operable to retain the arms in their extended position. The coupling mechanisms each include a latch being movable from an engaged position in which the relevant arm is held in its extended position and a release position in which the relevant arm is free to move between its extended position and its retracted position. The latches are biased towards their engaged positions. Each coupling mechanism may include a lock that holds the latch in its release position, the latch being released from the lock by rotation of the first arm into its extended position. Release of the latch engages a cam on the relevant arm to hold it in its extended position.

The invention discloses an automatic arm folding machine which comprises a workpiece limiting structure and a workpiece bending driving structure. The workpiece bending driving structure comprises a rotating shaft and a driving assembly. The driving assembly is characterized in that at least one pressure sensor is fixed to a fixing plate; the movable plate is fixed at the signal receiving end of the sensor; the support assembly comprises supports which are symmetrically arranged, and rotating grooves are formed in the opposite sides of the supports. Connecting shafts matched with the rotating grooves are arranged on the two sides of the roller. The buffer assembly comprises a buffer rod and a second guide rod fixed to the buffer rod, a second guide channel is formed in the movable plate, the second guide rod penetrates through the second guide channel and then is fixedly provided with a limiting ring, and the portion, between the buffer rod and the movable plate, of the second guide rod is sleeved with a buffer spring. According to the invention, automatic assembly is adopted, the fatigue of the folding arm can be tested, the test action is circulated, the test can be carried out until the arm fails, or the test frequency is set.

This invention discloses a fender double-arm deployment and retraction frame, which includes a base plate, two cranes respectively located at both ends of the base plate, at least one rubber fender placement frame located between the two cranes, and a hydraulic winch mounted on the base plate. Each crane includes a boom rotatably connected to the base plate, a hydraulic cylinder for driving the boom rotation, a rope guide assembly, a hook assembly, and a rope energy recovery device. The rope is a continuous steel wire rope, and the hydraulic winch simultaneously controls the deployment and retraction of the ropes of both booms. The rope energy recovery device includes a mounting base, a drive wheel, a sliding base, a sliding component, a sliding wheel, and a hydraulic rod. It compensates for changes in rope length by moving the sliding wheel and, in conjunction with an overflow valve, provides overload protection. An anti-steering departure device is provided at the boom head to prevent rope misalignment. This invention solves the problems of limited coverage of deck cargo cranes, easy collisions during fender lifting, and dynamic load impacts under high sea states, and has the advantages of compact structure and safe and reliable operation.

This invention discloses a branch-type articulated boom swing boom and engineering vehicle, relating to the field of engineering construction equipment technology, which can at least partially solve the problem of the complexity of double-arm or multi-arm structures in current articulated boom folding structures. An embodiment of this invention provides a branch-type articulated boom swing boom, comprising: a turntable and a branch-type articulated boom hinged to the turntable; the branch-type articulated boom includes: a main boom with its bottom end hinged to the turntable and at least two outriggers mounted on the main boom; the outriggers include a top outrigger mounted on the top of the main boom in a pitch-swing manner, and at least one intermediate outrigger mounted between the bottom and top ends of the main boom in a pitch-swing and / or circumferentially swing manner; it also includes a main drive mechanism for driving the main boom to swing and a branch drive mechanism for driving the outriggers to swing.