75results about How to "Large swing range" patented technology

The invention discloses a walking type chassis of a symmetrical type multi-freedom-degree four-wheel all-wheel-drive walking type excavator and belongs to the field of application of engineering machinery. The walking type chassis comprises a front right leg (1), a rotation base (2), a rear right leg (3), a lifting oil cylinder (4), a front left leg (6) and a rear front leg (5). The structure of the front right leg and the structure of the front left leg are symmetrical. The structure of the rear right leg and the structure of the rear left leg are symmetrical. The rotation base is of a symmetrical structure and is composed of a central oil tank and two side oil tanks, wherein the two side oil tanks are located at the two sides of the central oil tank in a stepped mode in the vertical direction. The rotation base is connected with the front right leg, the rear right leg, the front left leg and the rear left leg through a lifting oil cylinder (4) and a corresponding sleeve A. According to the walking type chassis, oil streams in the rotation base can be communicated with each other between the central oil tank and the side oil tanks, so that oil storage does not only depend on the inner space of the central oil tank, and the oil storage capacity is increased by at least one time; on the condition of field operation, when fuel oil in a main oil tank is used up, fuel oil in the chassis can be extracted, and therefore the field self-sustaining capacity is high.

A walking assistance device having an ankle joint limited in a swingable range in a rolling direction, enabling a user to open his/her legs apart more easily. The walking assistance device includes a seating member 1, a pair of leg links 2 and 2 which support the seating member 1 from below, and a ground contact member 8 connected to each leg link 2 through an ankle joint 7. The ankle joint 7 has a coupling mechanism 100 which includes a joint shaft member 106 and a retaining portion which swingably retains the joint shaft member 106 in the rolling direction in a predetermined range φ. The joint shaft member 106 is inclined to an abduction side in the rolling direction from the middle position of the predetermined range φ in which the joint shaft member is swingable in the rolling direction when the walking assistance device is in an upright state.

The invention relates to the technical field of bionic robots, in particular to a snake-shaped robot. The snake-shaped robot comprises joint modules, a snake tail and a snake head, wherein the joint modules are in series connection; the snake head is mounted at the end portion of the joint modules in a traveling direction; the snake tail is mounted at the rear end of the joint modules; the joint modules include joints, a first steering gear, a first transmission shaft, a first gear set, a second steering gear, a second transmission shaft, a second gear set, a cross connector, a bellows and a side pulley set; the first steering gear (12) drives the first transmission shaft (13) to rotate around a connecting hole of a transverse connecting plate (113); and the second steering gear (15) drives the second transmission shaft (16) to rotate around a connecting hole of a vertical connecting plate (112). The snake-shaped robot is more flexible and applicable to various working fields, and achieves various movements; the bellows and the side pulley set are arranged, and the pulley protrudes from the bellows to reduce the forward resistance while protecting an internal mechanism.

A regulated cascode circuit includes a first MOS transistor of a first conductive type, a second MOS transistor of the first conductive type, a third MOS transistor of a second conductive type, a first current source and a second current source. The first MOS transistor is coupled between an output node and a first node. The second MOS transistor having a gate terminal for receiving a bias voltage is coupled between the first node and a second power supply voltage. The third MOS transistor is coupled between the first power supply voltage and a gate terminal of the first MOS transistor. The first current source is coupled between the gate terminal of the first MOS transistor. The second current source is coupled between the first power supply voltage and the output node.

The invention relates to a rapid multi-cable synchronous laying and withdrawing device. The device comprises a cable reel, electric connectors, a cable tray, a steel wire rope and a winch, wherein thecable reel comprises cable separation reels, and the plurality of cable separation reels are fixed on the cable reel at intervals to divide the cable reel into a plurality of independent grids; a plurality of cables respectively coil in the independent grids; one end of each cable is connected with a collector ring, and the other end of each cable is connected with the corresponding electric connector; the plurality of electric connectors are arranged on the cable tray side by side; the steel wire rope coils in the winch; after the steel wire rope is connected with the cable tray, the winch drives the plurality of cables to be synchronously laid by pulling the steel wire rope and the cable tray; and after the steel wire rope and the cable tray are disconnected, the cable reel can drive the plurality of cables to be synchronously rolled up. According to the rapid multi-cable synchronous laying and withdrawing device, the plurality of cables can be synchronously and rapidly laid and withdrawn, so that the manual operation intensity is alleviated, and the operation time is shortened.

The invention relates to a threaded through hole detection device, and belongs to the technical field of threaded hole detection equipment. The threaded through hole detection device is characterizedby comprising a lifting mechanism, a plurality of mounting frames (8) arranged around the lifting mechanism and clamps (3) arranged on the lower sides of the mounting frames (8), a plurality of translation mechanisms are arranged on each mounting frame (8), each translation mechanism is connected with a drill rod in a sliding manner, and the lower end of each drill rod is connected with a screw tap through a power device; a rotary disc (33) is rotationally arranged on a rotary mechanism, the rotary disc (33) is connected with a clamp motor for driving the rotary disc (33) to rotate, two swingarms are symmetrically arranged on the two sides of the rotary disc (33), a jaw vice (37) is arranged between the two swing arms, a first swing arm motor is further arranged on the rotary disc (33), and an output shaft of the first swing arm motor is connected with the two swing arms at the same time. According to the threaded through hole detection device, the relative positions of threaded through holes can be detected, threads of the threaded through holes can also be detected, so that the detection of the threaded holes in multiple surfaces can be completed through one-time clamping.

The invention discloses a deflection warhead. The deflection warhead comprises a swinging cone, a spherical surface pair shell, a warhead shell and a driving mechanism, wherein the warhead shell is a circular platform and is provided with a cavity penetrating through the bottom surface and the top surface of the warhead shell; the swinging cone comprises a cone, a rotary sphere body and a square shaft; a plane is turned on the outer surface of the rotary sphere body; the rotary sphere body is fixed at the center of the bottom surface of the cone through the plane; a spherical surface opposite to the plane is matched with the spherical surface pair shell to form a spherical surface pair; the other end of the spherical surface pair shell is connected with one end, with the small bottom area, of the warhead shell; one end of the square shaft is fixed on the rotary sphere body and the other end of the square shaft is located in the warhead shell; the driving mechanism is located in the warhead shell. According to the deflection warhead, the aim that the swinging cone swings in a relatively large range can be realized and the deflection warhead has the advantages of high control precision and rapid response.

The invention provides a wagon box and a wagon with the same. The wagon box comprises a box body, a fixing frame and a transmission mechanism. The box body comprises a box top and a top cover, whereinthe box top is provided with an opening, and the top cover covers the opening in an openable and closable manner. The fixing frame is arranged in the box body and located below the opening. The transmission mechanism is movably arranged on the fixing frame and comprises a driving part, a vertical lifting structure and a horizontal moving structure, wherein the driving part is arranged on the fixing frame and drives the vertical lifting structure to move, the horizontal moving structure is arranged between the top cover and the vertical lifting structure and located below the box top, the vertical lifting structure drives the horizontal moving structure to ascend and descend so as to make the top cover located at a closing position for closing the opening and a first opening position for opening the opening, and the horizontal moving structure drives the top cover to move horizontally so as to make the top cover move horizontally to a second opening position from the first opening position. According to the technical scheme, the problem that in the related art, the opening degree of a loading opening is small, and loaded goods are limited is effectively solved.

The invention relates to the technical field of medical instruments, in particular to an upper limb auxiliary mechanical arm. The problems that existing movement physical rehabilitation treatment is divided into an active type and a passive type, but either way, medical personnel need to conduct operation through the medical instruments by hand, the technical requirements for the medical personnel are slightly high, and the time and labor are also consumed are solved. The upper limb auxiliary mechanical arm comprises an arm supporting assembly, a supporting assembly, a swinging assembly and a step shaft; the arm supporting assembly allows arms of a user to be placed so as to support the arms of the user; the supporting assembly is in pivot joint with the arm supporting assembly so as to support the arm supporting assembly; one end of the swinging assembly is rotatably connected with the supporting assembly so as to allow the arms of the user to swing; and one end of the step shaft is rotatably connected with the other end of the swinging assembly and used for supporting the swinging assembly. The upper limb auxiliary mechanical arm has the effects that operation is easy, the technical requirements for the medical personnel are not high, even the medical personnel do not need to conduct operation, the patient can independently conduct exercise rehabilitation, and thus manpower resources are saved.

The invention discloses a hinging-type dump truck chassis. The hinging-type dump truck chassis comprises a steering system, a braking system, a drive system and a driving system, wherein the driving system comprises a truck frame assembly, the truck frame assembly comprises a front truck frame, a hinging body and a rear truck frame, a front axle is arranged below the front truck frame, a middle axle and a rear axle are arranged below the rear truck frame, one end of a left front hydro-pneumatic suspension unit and one end of a right front hydro-pneumatic suspension unit are connected to the upper surfaces of the left side and the right side of the front axle respectively, the other end of the left front hydro-pneumatic suspension unit and the other end of the right front hydro-pneumatic suspension unit are connected with the front truck frame, a right front cross pull rod, a front V rod and a left front cross pull rod are installed between the front truck frame and the front axle, themiddle axle is connected with the rear axle through a left balancing beam and a right balancing beam, a right middle cross pull rod, a middle V rod and a left middle cross pull rod are installed between the rear truck frame and the middle axle, and a right rear cross pull rod, a rear V rod and a left rear cross pull rod are installed between the rear truck frame and the rear axle. The hinging-typedump truck chassis is simple in structure, safe and reliable, and can effectively improve the trafficability and the comfort of the complete machine.

The invention discloses a household bilateral reverse movement upper limb rehabilitation training device, which comprises a vertical column, a left side upper limb mechanism and a right side upper limb mechanism, wherein the left side upper limb mechanism and the right side upper limb mechanism are symmetrically arranged left and right, the right side upper limb mechanism comprises a right handlerod, the right handle rod drives a crank sliding block mechanism through a parallel four-connecting-rod mechanism, the sliding block in the crank sliding block mechanism is in sliding connection withthe vertical column, a right horizontal groove is horizontally formed in the sliding block in the crank sliding block mechanism in the left-right direction, a right pawl shaft is slidably mounted in the right horizontal groove, a right pawl is rotationally mounted on the right pawl shaft, the right pawl shaft is fixed at the right end of a middle swing rod, the middle swing rod is rotationally installed on a supporting shaft, the supporting shaft is fixed to the vertical column, the right pawl is meshed with the ratchets on a ratchet strip, and the ratchet strip is in sliding connection with the vertical column in the vertical direction. According to the invention, the reverse movement of the left side upper limb mechanism and the right side upper limb mechanism is achieved, the continuousrising of the ratchet strip is achieved through the swing rod, and the training interest of a user is improved.

The invention relates to an adapter connector. With the adapter connector adopted, the problems of poor tolerance capacity and inconvenient assembly and maintenance during the connection of a connector and a printed board in the prior art can be solved. The adapter connector comprises a shell, a contact piece and a threaded locking sleeve; the front end of the shell is a connecting end; the rear end of the shell is a plugging end; the contact piece is fixed in the shell; the contact piece comprises an overhanging part extending forwards; the front end of the overhanging part is a crimping endconnected with a conductive part in an equipment box body; the crimping end is in crimping connection with the conductive part in a direction perpendicular to a plugging direction; an avoidance spacefor allowing the overhanging part to deform in a crimping direction is formed in a position, corresponding to the overhanging part, in the shell; the threaded locking sleeve is located on the inner side of the crimping end; and a through hole is formed in the crimping end, corresponds to an inner hole of the threaded locking sleeve and is used for allowing an adaptive locking piece to penetrate through, so that the adaptive locking piece drives the threaded locking sleeve to act, and the crimping end and the conductive part are connected in a pressed mode.

The invention relates to a tripod universal joint and a heavy load type transmission shaft assembly. The tripod universal joint comprises a universal joint shell, tripod components, foot shafts and double-ball-ring units, wherein the double-ball-ring units are provided with outer ball rings and inner ball rings, the outer ball rings freely rotate under the support of the inner ball rings, the peripheral surfaces of the inner ball rings are conical surfaces, the inner ball rings are arranged outside the foot shafts in a sleeving manner, and roller pins are arranged between the foot shafts and the inner ball rings. The heavy load type transmission shaft assembly comprises a first shaft, and the two ends of the first shaft are separately arranged on a first universal joint and a second universal joint in a sleeving manner. The end, opposite to the connecting end of the first universal joint and the first shaft, of the tripod component accommodated in the first universal joint is provided with a first connecting assembly detachably connected with a second shaft in a direction parallel with the axis. The end, opposite to the connecting end of the second universal joint and the first shaft, of the tripod component accommodated in the second universal joint is provided with a second connecting assembly detachably connected with a third shaft in the direction parallel with the axis. The tripod universal joint has the characteristics of large slippage and large swing. The heavy load type transmission shaft assembly is convenient to assemble and disassemble.

The invention discloses a position and angle adjusting locating mechanism for drilling machine space of a digging windlass. The mechanism comprises a frame body, a telescopic beam, a rotating frame, adrilling machine, a long oscillating rod, a short oscillating rod, an oscillating driving device and a rotating device; the telescopic beam is installed in the frame body and can move transversely inthe frame body, the rotating frame is hinged to the telescopic beam, and the drilling machine is installed on the rotating frame; the long oscillating rod, the short oscillating rod, the drilling machine and the rotating frame are mutually hinged to form a four-rod mechanism, and one end of the oscillating driving device is hinged to one hinged point of the four-rod mechanism; the other end of the oscillating driving device is hinged to the rotating frame, one end of the rotating device is in rigid connection with the rotating frame, and the other end of the rotating device is hinged to the telescopic beam. When an anchor rod is hit at any position in a roadway, the oscillating radius of the drilling machine is not changed, the oscillating range cannot be changed because of different rotating positions of the drilling machine, the four-rod mechanism can extend the oscillating range of the drilling machine, and the oscillating driving device utilizes the smaller route to drive the drilling machine to oscillate in a larger range. Based on the position and angle adjusting locating mechanism, the invention further provides the digging windlass.

The invention relates to an automobile ECU quick testing device. The automobile ECU quick testing device comprises a manipulator, a detection platform and a controller. The manipulator comprises a supporting base, a first rotary arm, a second rotary arm, a first driving mechanism, a second driving mechanism, a third driving mechanism and a mounting base. The first rotary arm is rotatably connectedwith the supporting base. The first rotary arm is connected with the first driving mechanism. The second rotary arm is rotatably connected with the first rotary arm. The second rotary arm is connected with the second driving mechanism. The mounting base is connected with the third driving mechanism. The third driving mechanism is suitable for driving the mounting base to move vertically. A firstclamping plate, a second clamping plate and a fourth driving mechanism are mounted on the mounting base. The first clamping plate and the second clamping plate are arranged oppositely and are both connected with the fourth driving mechanism. The fourth driving mechanism is suitable for driving the first clamping plate and the second clamping plate to synchronously slide face to face or back to back. The first driving mechanism, the second driving mechanism, the third driving mechanism and the fourth driving mechanism are all electrically connected with the controller.

A motorcycle handlebar cover device is provided with a handlebar cover (31) which has an opening for a headlight (32) and swingably supports the upper portion of the headlight, said opening being formed to surround the headlight; and a top cover (33) which is formed as a separate article from the handlebar cover (31), and covers the gap between the upper edge (89) of the headlight and the peripheral edge (45a) of the opening for the headlight. The top cover (33) is formed in such a way as to be fixed to the headlight (32) and to be swingable together with the headlight.

The invention discloses fish-like camouflage monitoring equipment, which comprises a rack, wherein a main cavity is formed in the right side of the rack, the swinging of the fishtail is controlled through the rotation of a swinging shaft so as to drive the equipment to move while fish movement is simulated; an adjusting block is pulled to enable the fishtail to have a larger swinging range by adjusting rotation of a short rod, so that the power is improved while the simulation effect is enabled to be more vivid; when a rolling ball pushes judgment push buttons on the two sides, it is determined that the equipment is subject to an accident, a shooting probe is transferred into the protection chamber for protection at the moment, a hydraulic cylinder pushes the push plate to move water in awater storage cavity out of the equipment to increase the buoyancy of the equipment, and the equipment can be out of danger as soon as possible. The equipment is high in simulation degree, has the design of accident judgment, can protect shooting equipment as much as possible when an accident occurs, enables the equipment to be separated from a dangerous area as soon as possible, has very high production value, and can well complete an underwater camouflage shooting task.

The invention relates to a guide bar cradle transmission device which comprises a line shaft seat, a line shaft, a guide bar device and a guide bar cradle transmission mechanism, the line shaft seat is used for being mounted on a beam of a warp knitting machine, the guide bar cradle transmission mechanism sleeves the line shaft, the line shaft is rotatably arranged on the line shaft seat in a penetrating manner, and the guide bar device comprises a guide bar cradle and guide bars mounted on the guide bar cradle. The guide bar cradle comprises a guide bar cradle arm for mounting the guide barsand a connecting end arranged in the middle of the guide bar cradle arm, the line shaft is fixedly connected with the connecting end, and the guide bar cradle transmission mechanism is fixedly connected with the line shaft. According to the guide bar cradle structure, the guide bar cradle and the guide bar cradle transmission mechanism are combined, the guide bar cradle and the guide bar cradle transmission mechanism are both fixed to the line shaft, and the line shaft is directly driven by the guide bar cradle transmission mechanism to control the guide bar cradle to swing left and right in areciprocating manner.

The invention discloses an evaporation coating machine for high-temperature structural ceramic. The evaporation coating machine is structurally provided with a rack, an operation table, a working frame, a motor, a side connecting shaft and a control panel, a solid clamping block rotates to drive a trough to integrally rotate, powder on the inner side of the trough can be turned back and forth to be activated, conical striking heads are matched with bottom springs, the front ends of the conical striking heads are of a conical structure, so as to facilitate penetrating through powder, meanwhile,the the conical striking heads continuously retract and eject to scatter caked powder in the powder continuously, impact balls are driven to continuously impact the outer wall of the trough, under the auxiliary effect of spring steels, the swing range of hinge swing rods is larger, and the hinge swing rods can conveniently drive the impact balls to conduct faster knocking movement to vibrate thetrough, so that the powder is continuously scattered through vibration, and linkage bags bear extrusion force to be subjected to concave shrinkage deformation when being struck, so that the whole impact balls are subjected to deformation in a fluctuating state, and the powder can be more quickly and actively bounced off in the knocking process and after the powder is attached to the impact balls.

The invention relates to a dustproof spinning device with a humidity adjusting function. The dustproof spinning device comprises a body and four supporting columns, and further comprises a dust removal mechanism and two adjusting mechanisms. The dust removal mechanism comprises a connecting box. A lifting assembly, an electrostatic plate and a cleaning assembly are arranged in the connecting box.The lifting assembly comprises a driving unit, a first power block, a fixed block, a telescopic frame, a movable plate and two supporting plates. The adjusting mechanism comprises a water collecting box, a hose, a spraying assembly and a swinging assembly. The spraying assembly comprises a supporting shaft and a spraying nozzle. According to the dustproof spinning device with the humidity adjusting function, through the dust removal mechanism, cotton fiber in the body can be cleaned up, and it is avoided that the cotton fiber threatens the physical health of workers; through the adjusting mechanism, the humidity in the body is adjusted, and therefore the spinning quality of the spinning device is improved.