41 results about "Differential motion" patented technology

The utility model discloses a lifting device and a cleaning robot, the lifting device is connected with an operation assembly, and the lifting device comprises a driving assembly and a connecting assembly. Wherein the driving assembly is connected to the connecting assembly. The lifting device is provided with a lifting part and a transmission part, the lifting part rotates relative to the transmission part, and the friction inertia between the transmission part and the operation assembly is smaller than the self-weight inertia of the operation assembly, so that differential motion is formed between the transmission part and the operation assembly; or, the friction inertia between the lifting part and the operation assembly and the transmission part is smaller than the self-weight inertia of the lifting part and the operation assembly, so that differential motion is formed between the lifting part and the operation assembly and the transmission part, and the lifting part and the operation assembly ascend or descend under the action of the differential motion.

The utility model discloses a control surface control mechanism of a V-tail unmanned aerial vehicle, which comprises a pair of control surface main bodies which are arranged in a V shape, and the included angle between the two control surface main bodies is 90 degrees; the main shaft is vertically arranged on the end faces of the ends, close to each other, of the control surface main bodies; and the control assembly is used for controlling the pair of main shafts to rotate synchronously. The utility model has the following advantages and effects: after being assembled, the control mechanism is completely hidden in the fuselage of the aircraft, so that the flight resistance is not additionally increased; differential motion and homodromous motion of the two control surface main bodies are respectively driven by the same motor, so that the deflection consistency of the control surface main bodies on the two sides can be ensured.

A differential motion device has: an endless component forming an endless path, wherein the endless component has: a first path segment located inside; a second path segment located outside; and a connecting path segment connecting the first path segment and the second path segment; a first drive roller engaging with the first path segment; a second drive roller engaging with the second path segment; a first drive motor rotating the first drive roller; a second drive motor rotating the second drive roller; a control unit controlling the first drive motor and the second drive motor; and a movable pulley unit comprising: a movable pulley engaging with the connecting path segment and moving linearly along a first axial direction and / or rotating with a movement of the first path segment and the second path segment;a first moving component that moves along the first axial direction with a linear movement of the movable pulley; and a second moving component that is held by the first moving component and moves with a rotation of the movable pulley.

The utility model relates to the technical field of garbage recycling, in particular to a discharging mechanism of a dehydrator. The shell cover detachably covers the upper part of the shell; the feeding hole is formed in the shell cover and is vertically formed in the vertical direction of the shell; the discharging hole is formed in the lower end of the shell; the screen is rotationally arranged in the shell and is used for separating water in garbage; the centrifugal rotating assembly is rotationally arranged in the machine shell and used for driving garbage in the screen to do centrifugal motion, and the differential motion assembly is arranged in the machine shell and used for driving the screen and the centrifugal rotating assembly to do differential rotation. The anti-abrasion assembly is arranged on the inner wall of the machine shell and located below the screen, and the water collecting tank is fixedly arranged in the machine shell and surrounds the outer wall of the screen. The device aims at reducing the abrasion effect of garbage discharged out of the centrifugal cylinder on the inner wall of the machine shell as much as possible.

The invention discloses a multi-stage film evaporator for removing low-boiling-point substances in polyether, and relates to the technical field of evaporators, the multi-stage film evaporator comprises an evaporator body, a feed port, a discharge port and a differential mechanism, the feed port is fixedly connected to the upper right end of the evaporator body, the discharge port is fixedly connected to the upper portion of the front end of the evaporator body, and the differential mechanism is fixedly connected to the lower portion of the front end of the evaporator body. The top of the evaporator body is fixedly connected with a differential mechanism, the differential mechanism is arranged, through differential motion among a vibration mechanism, two sets of second adjusting mechanisms and a scraper, strong shear force is generated in the early stage, polyether molecular chain winding is rapidly broken, escaping of low-boiling-point substances is accelerated, and product degradation caused by excessive shear in the later stage is avoided; and a uniform film is maintained to promote deep devolatilization, so that the optimal balance of efficiency and quality is realized, and the technical limitation of traditional fixed rotating speed is broken through.

The utility model relates to the technical field of wire cutting equipment, in particular to a single-side transfer multi-wire cutting machine. The utility model provides a unilateral transfer multi-wire cutting machine, including cutting machine main part, lifting mechanism, cutting subassembly, pay-off subassembly, take-up subassembly, the cutting machine main part is square frame structure, the lifting mechanism is provided on the both sides of cutting machine main part, the cutting subassembly is provided in the cutting machine main part through the lifting mechanism, the pay-off subassembly is provided with pay-off subassembly, take-up subassembly is provided in the cutting machine main part. By means of the single-side transfer structure, a set of lifting structure for controlling the roller support is omitted, and the control mode is relatively simple along with the change of the structure. Angle inclination of a cutting line and a cut object can be achieved without a material platform swinging mode or overall inclination of the cutting frame, and the cutting progress is accelerated.

The utility model discloses a kind of anti-sticking type discharge structures for rotor sand mixer, it is related to sand mixer discharge technical field, including sand mixing machine main body and being set in sand mixing machine side and with the discharge pipe of sand mixing machine main body inside intercommunication, discharge door of closed sand mixing machine main body and discharge pipe is arranged in the discharge pipe, the end of discharge pipe is fixedly connected with discharge shell, discharge impeller is rotatably arranged in the inside of discharge shell, intermittent mechanism for driving discharge impeller intermittent rotation is installed on the outer wall of discharge shell, scraper for cleaning discharge impeller is arranged in discharge shell, gear transmission assembly is arranged between scraper and gap mechanism to realize differential motion. The utility model is through arc-shaped discharge plate intermittent rotation and scraper differential cleaning, after arc-shaped discharge plate rotation, ration discharging, while discharging, scraper can contact arc-shaped discharge plate to remove sand, blockage rate reduces, solve the frequent blockage problem caused by sand accumulation in traditional discharge port.

The embodiment of the invention provides an intelligent book storing and taking system and method. The system comprises a two-wheel differential motion chassis, a five-degree-of-freedom mechanical arm, a clamping device and a storing device. Wherein the two-wheel differential motion chassis is used for freely moving in a library so as to adapt to different environments and terrains; an advanced control algorithm is adopted to realize accurate speed control and direction control; the five-degree-of-freedom mechanical arm positions the book position through a depth camera and moves, so that the book is accurately positioned by the clamping device; the clamping device rotates along with the stories to clamp the books in different placing states and swing and stir the books up and down, so that the books are pulled out, and through the system, the intelligent storing and taking speed and accuracy are improved.

A power transmission device is provided with a casing drivingly coupled to the power source to create a rotation about an axis, and a differential gear set supported by the casing to rotate with the casing about the axis. The differential gear set includes a pair of side gears capable of making a differential motion from each other, a friction section interposed between the casing and the differential gear set, or internal to the differential gear set, to frictionally limit the differential motion, a disconnect device coupled to one of output shafts for connectably disconnecting one of the side gears from the one of the output shafts, and a cam structure coupled directly or indirectly to the friction section to convert a torque in a direction for accelerating the rotation into a thrust force in an axial direction to exert the thrust force on the friction section.

A granular dampening component for use with an earth-boring tool that includes an inner portion and an outer portion that at least partially surrounds the inner portion. A granular material is disposed between the inner portion and the outer portion. The granular material configured to transfer torque from the outer portion to the inner portion and configured to dissipate energy based on differential motion of the granular material.

The present application relates to a Mars surface sample collector and method based on differential bevel gears and rope driving, and belongs to the technical field of Mars sampling and returning. It comprises a connecting bracket for installing a driving assembly, the output end of the driving assembly being connected with a differential motion assembly for driving the differential motion assembly, the differential motion assembly driving a rope-driven grabbing assembly to act, and the rope-driven grabbing assembly being used for grabbing and releasing samples. The present application designs a Mars surface sample collector based on differential bevel gears and flexible rope driving, which can realize the actions of sampling point adjustment, jaw clamping and arm recovery fixation under the driving of three motors, reduces the number of driving motors while ensuring the adaptability of the sampling device to the position error of the docking point, simplifies the action of sample collection, improves the reliability of sample collection of the sampling device in the autonomous running state, and reduces the launch mass of the equipment.

The invention provides a posture adjusting device of an optical lens box, which comprises a base, a bearing platform, an adjusting assembly and a differential protection assembly, and is characterized in that the adjusting assembly comprises a first lifting unit and a second lifting unit which are arranged in parallel, and the adjusting assembly is connected with and supports the bearing platform through a first flexible supporting element and a second flexible supporting element; the lifting and pitching adjustment of the bearing platform and the optical mirror box on the bearing platform is realized by controlling the synchronous or differential motion of the two lifting units. The differential protection assembly is arranged between the two lifting units and used for monitoring the relative displacement between the two lifting units in real time and triggering a hardware protection signal when the displacement reaches a preset safety threshold value, and movement of the lifting units is forcibly stopped. While high-precision two-degree-of-freedom posture adjustment is achieved, overload damage of the flexible supporting element caused by faults of a control system is effectively avoided through an independent hardware differential protection mechanism, and the reliability and safety of the device are remarkably improved.

The invention provides a differential device which can improve regeneration efficiency even if a differential limiting part is provided. A differential device (1) is provided with: a rotatable differential case (7); a pinion gear (11) that is rotatably supported within the differential case (7) and revolves by the rotation of the differential case (7); a pair of side gears (13, 15) that mesh with the pinion gear (11) and are rotatable relative to each other; and sliding surfaces (33, 43) that are provided between the differential case (7) and the side gears (13, 15) and that use sliding surfaces (33, 43). And a differential restricting part (5) for restricting the differential motion of the pair of side gears (13, 15) by the sliding of the pair of side gears (13, 15), in which an urging member (47) for urging the sliding surfaces (33, 43) of the differential restricting part (5) in the direction in which the sliding surfaces (33, 43) are separated is disposed between the differential case (7) and the side gears (13, 15).

To provide a power transmission device for a vehicle capable of controlling differential motion of a pair of right and left wheels while suppressing increase of vehicle weight.SOLUTION: The vehicular power transmission device 20 includes a right wheel axle 42R, a motor generator 50 having a stator 52 and a rotor 54 relatively rotatable around an axis Cmg1, and an electronic control device 90. (a) a ratio α 1 (= NwR / Nd) of the right wheel speed NwR to the differential-case rotation speed Nd is equal to a ratio α 2 (= Nr / Ns) of the rotor rotation speed Nr to the stator rotation speed Ns, (b) the stator 52 has a coil 52c, (c) the rotor 54 generates a rotating magnetic field for the stator 52 in accordance with the relative rotation between the stator 52 and the rotor 54, and (d) the electronic control device 90 is configured to control the rotation of the motor generator 50 in accordance with a predetermined condition when the predetermined condition is satisfied.SELECTED DRAWING: Figure 1

The invention provides a material throwing device and a dryer, the material throwing device comprises a first transmission assembly, a second transmission assembly, a rotation driving mechanism, a motion synthesis component and a throwing disc used for receiving and throwing materials, and the second transmission assembly is connected between the rotation driving mechanism and the motion synthesis component; the second transmission assembly is used for receiving the power of the rotation driving mechanism, generating differential motion having a rotation speed difference with the rotation motion, and converting the differential motion into periodic asymmetric disturbance acting on the motion synthesis component; and the motion synthesis component is movably connected with the throwing disc, and when the rotary driving mechanism rotates, the throwing disc is driven by the motion synthesis component to simultaneously perform rotary motion and periodic asymmetric disturbance composite motion superposed on the rotary motion. The problems that a traditional throwing device is uneven in material distribution, single in applicable material, high in humidity and prone to blockage are fundamentally solved.

The application provides a method for correcting kinematic parameters based on odometer error, and the method comprises the following steps: establishing a double-wheel differential motion model based on vehicle parameters, calculating the linear speed of the left wheel and the linear speed of the right wheel of the double-wheel differential motion model, and calculating the corresponding motor encoder position value according to the linear speed of the left wheel and the linear speed of the right wheel; combining the motor encoder position value to calculate the motion change of the vehicle odometer; combining the motion change to correct the wheel diameter ratio of the vehicle; combining the motion change and the corrected wheel diameter ratio to correct the wheel diameter of the vehicle; combining the motion change to correct the wheel spacing of the vehicle; and bringing the corrected wheel diameter and wheel spacing of the vehicle into step S2 to verify the motion change. The application solves the problem that the wheel diameter and the wheel spacing affect each other in the mainstream calibration method of the double-wheel differential robot model, separates the calibration of the wheel diameter and the wheel spacing, and has high robot positioning accuracy under comprehensive working conditions.

The invention provides an automatic plugging device and method, and the device comprises a first drive module, a second drive module and a plugging head, and the plugging head is provided with an adsorption end used for adsorbing a to-be-plugged product. The driving end of the first driving module is connected with the second driving module and used for driving the second driving module to move in the first linear direction. The second driving module comprises a first linear driving mechanism and a second linear driving mechanism which are arranged in parallel and are mutually independent, the movable ends of the first linear driving mechanism and the second linear driving mechanism are jointly connected with a connecting plate, and the connecting plate is connected with the connecting plug; when the first linear driving mechanism and the second linear driving mechanism move synchronously, the connecting plug is driven to move in the second linear direction. And when the first linear driving mechanism and the second linear driving mechanism perform differential motion or reverse motion, the connecting plug is driven to rotate around a preset axis. Space compact adaptation, high-precision alignment and rapid machine type switching of the plugging device are realized, and the plugging damage risk of a product is reduced at the same time.

The invention provides a measuring device, a conveying system and a plate detection method. The measuring device comprises an installation body, a first movable part, a second movable part, a measuring part and a differential motion mechanism. The differential motion mechanism comprises a driving piece, a rotating body, a first connecting rod and a second connecting rod. The driving piece controls the first connecting rod and the second connecting rod to be in staggered transmission through the first differential motion part and the second differential motion part on the rotating body, so that the second movable piece moves in the second direction relative to the first movable piece and the first movable piece moves in the first direction relative to the mounting body in a staggered mode; therefore, the measuring parts on the second movable part can respectively and independently perform scanning measurement and measurement position adjustment, the complex structure and complex motion control are simplified, the number of the driving parts and the measuring parts is reduced, the cost is reduced, and the measurement accuracy is improved. And the installation transmission superposition error caused by multiple driving pieces and the coordinate system calibration difficulty and precision loss caused by multiple measuring pieces are reduced, and the measuring precision is improved.

The invention relates to a device and a method for realizing all-fiber flexible upset bending forming of a large crankshaft on a single-action press, and the device comprises an upper rack which can be connected with the single-action press and can move up and down along with the single-action press; the lower rack is positioned below the upper rack; the bending die mechanism comprises an upper bending die and a lower bending die, the upper bending die is arranged on the upper rack in a sliding mode, and differential motion is formed between the upper bending die and the upper rack in the moving direction of the single-action press; the upper and lower die mechanism comprises an upper die block and a lower die block which can be separated, the upper die block is suspended above the lower die block through a rope piece, and when the upper die block and the lower die block are meshed together and driven to move towards the lower bending die, the two ends of the blank located on the lower bending die can be extruded and upset. Compared with the prior art, upsetting and bending processes can be decoupled, the first upsetting and second bending forming process of the large crankshaft is completed on a common single-action press, and the purpose of forming the large marine crankshaft is achieved.

The utility model discloses a planetary harmonic reducer driven by a crankshaft, and belongs to the technical field of reducers. The speed reducer comprises a driving crankshaft, a first-stage driving wheel, a second-stage eccentric wheel, a third-stage composite wheel and an output end cover. The driving crankshaft drives the second-stage eccentric wheel to generate differential motion through the second-stage shaft neck designed in an off-axis mode, and the differential motion is sequentially transmitted to the third-stage composite wheel and the output end cover through harmonic meshing, so that multi-stage speed reduction is achieved. The outer gear ring of the first-stage driving wheel is meshed with the second-stage driven inner gear ring, the transmission path is further optimized through the double-gear structure of the third-stage composite wheel, and the output end cover completes final power output through the end cover inner gear ring. The crankshaft and harmonic drive are combined, the problems that a traditional planetary gear train is complex in structure and low in efficiency are solved, and the planetary gear train has the advantages of being compact in structure, high in transmission efficiency and high in reliability and is suitable for high-precision industrial robots and automation equipment.

The invention provides a differential device which can stabilize differential limiting characteristics. A differential device (1) is provided with a differential case (7), a pinion gear (11), a pair of side gears (13), and a differential restriction section (5) that is provided between the differential case and the side gears and restricts differential motion of the pair of side gears (13) by sliding of sliding surfaces (41, 51), the side gears (13) having a gear member (33) that meshes with the pinion gear (11), and an operating member (35) that operates the pair of side gears (13) by sliding of sliding surfaces (41, 51). The operating member is disposed so as to be rotatable integrally with the gear member via a cam portion (47) and so as to be axially movable, and has a flange portion (37) in which the cam portion is disposed on the inner diameter side and a differential restricting portion (5) is disposed on the outer diameter side. The flange portion is set such that the value A / B obtained by dividing the length A in the radial direction between the contact point of the cam portion and the contact point of the sliding surface of the differential restricting portion (5) by the thickness B in the axial direction is 5 or less.

The invention provides a mixer for pre-mixing commercial concrete, and relates to the technical field of concrete mixing, the mixer comprises a bottom frame attached in a mixing barrel, a plurality of convergence pieces are mounted on the bottom frame, a top frame is mounted on the convergence pieces, a plurality of intermediate shafts are mounted between the top frame and the bottom frame, and the intermediate shafts are mounted on the bottom frame. A plurality of middle shafts are arranged on the bottom frame, each middle shaft is rotationally provided with two vibrating pieces, the other end of each vibrating piece is provided with a tail rod, connecting sleeves are arranged on the tail rods, a middle spring is arranged between the two connecting sleeves, and a diffusion frame is rotationally arranged in the bottom frame; the working mode of traditional concrete mixing is changed through innovative differential mixing, the system forms a unique internal and external reverse mixing force field through differential movement of convergence pieces and a diffusion frame, materials are gathered towards the center through anticlockwise rotation of the convergence pieces, the materials are diffused outwards through centrifugal force generated by the diffusion frame rotating at a high speed, and the mixing efficiency is improved. Due to the interaction, the stirring uniformity efficiency is remarkably improved.

The present application relates to bulk material storage equipment technical field, disclose a kind of for bulk wheat bran's silo rotary cutting arch breaking discharging device, including conical bottom and silo fixed, conical bottom, bottom inclined side is equipped with discharge port, conical bottom, bottom is equipped with bottom door.Motor, installation is in the center position of bottom door lower end surface, driving device operation;Center drive assembly, installation is in the center position of conical bottom interior;The center drive assembly, conical turntable assembly and auger discharging assembly of the present application are set, pass through center drive assembly transmission, shunt drive conical turntable assembly revolution and variable-diameter auger rotation by single power system, and revolution and rotation of the entire device are formed differential motion by the planetary gear system without gear ring;When revolution arch breaking, auger discharging assembly can be forced to transport material to the central region of conical bottom, increase the flowability of material in conical bottom, bottom, discharge material, improve the efficiency of discharging.

An adaptive bionic manipulator and differential motion pulley set mechanism are composed of a shell, a palm, four fingers, a thumb, and a connecting flange, and contain a first driving mechanism, a second driving mechanism, and a third driving mechanism. The four fingers include an index finger, a middle finger, a ring finger, and a little finger, which are all new tendon-rod linkage hybrid driven bionic fingers. The three knuckles of the bionic fingers move regularly under the driving of the tendons to achieve consistent bending and adaptive gripping of the fingers. A set of differential motion pulley set mechanisms is installed on the palm. The first driving mechanism drives the differential motion pulley set mechanisms and moves the four fingers. This mechanism not only solves the problem of large space occupation of the pulley set on the palm, but also reduces the overall weight and realizes lightweight. The second driving mechanism and the third driving mechanism are installed on the thumb to control the rotation and flexion of the thumb, respectively. The bionic manipulator can adaptively grasp objects, has high adaptability and high anthropomorphism, has a clever structure, and has efficient transmission.

The invention provides a vehicle differential device and a vehicle which can adjust differential limiting force with a simple structure. The rear differential device is provided with: a differential gear box that rotates by receiving the driving force of the rear drive motor; a pair of side gears coaxial with a rotating shaft of the differential gearbox; a pinion gear engaged with both of the pair of side gears; and a differential limiting mechanism that generates a differential limiting force that limits the differential motion of the rear wheels of the vehicle. The differential restriction mechanism has a plurality of friction plates pressed in the axial direction by the side gears. A portion of the plurality of friction plates is a case-side friction plate provided to the differential gear case, and another portion of the plurality of friction plates is a gear-side friction plate provided to the side gear. The case-side friction plate and the gear-side friction plate are arranged side by side in the axial direction, and generate a differential limiting force by sliding. In the differential restriction mechanism, a friction plate adjacent portion is formed by adjacent connection of two or more friction plates of the same type of at least one of a case-side friction plate and a gear-side friction plate.

The pressure-maintaining coring differential mechanism comprises an inner pipe assembly, the inner pipe assembly is arranged in the bottom end of an outer pipe assembly, the inner pipe assembly comprises a hydraulic throttle valve, a first spring is arranged between the hydraulic throttle valve and the outer pipe assembly, a differential outer pipe is sleeved with the bottom end of the hydraulic throttle valve, and a second spring is arranged between the hydraulic throttle valve and the outer pipe assembly. The differential inner pipe is sleeved with the differential outer pipe, the top of the differential outer pipe is provided with a trigger sliding block, the trigger sliding block is connected with the side wall of the differential outer pipe in a penetrating and sliding mode, the trigger sliding block is arranged at the top of the differential inner pipe and arranged in a release groove in the hydraulic throttle valve in a matched mode, and the bottom end of the differential outer pipe is fixedly connected with the outer pipe assembly. A second spring is arranged between the differential inner pipe and the outer pipe assembly, the bottom end of the differential inner pipe is fixedly connected with a center rod, and a coring pressure maintaining assembly is arranged at the bottom end of the center rod. The prestressed spring is used for replacing pressure building differential motion, operation is easy and convenient, reliability is high, differential motion lifting force and lifting speed are controllable, and the pressure maintaining coring efficiency and reliability in deep wells and ultra-deep wells are improved.

The invention relates to a BIM-based digital building surveying and mapping auxiliary device which is characterized in that a power supply is arranged in a mounting platform, a visual perception structure is mounted above a damping mechanism through the mounting platform, a data processing center is arranged in the visual perception structure, the damping mechanism is mounted in a shell, and the damping mechanism comprises a platform for placing parts; the buffering part used for buffering the platform and driving the damping part is arranged on the lower end face of the platform, a distance is reserved between the platform and the damping part, and multi-dimensional suppression of vibration of the platform is achieved through linkage of the buffering part and the damping part. Four symmetrically arranged buffer rods of the buffer part are combined with springs, so that impact energy in the vertical direction can be absorbed; through the damping part driven by the connecting rod, part of impact is converted into differential motion in the horizontal direction by utilizing a sliding groove mechanism of the driving frame and the sliding pin, and the amplitude of the platform after being stressed is reduced. And the platform can quickly recover to be stable when being subjected to external impact, and is suitable for high-precision visual surveying and mapping equipment.

The utility model relates to the technical field of air conditioners and discloses a driving wheel and an air conditioner. The driving wheel comprises a first surface and a second surface which are oppositely arranged; the first surface is provided with a first driving part used for driving the first connecting rod, the second surface is provided with a second tooth part used for driving the second connecting rod, and the first driving part comprises a first driving groove or a first driving column. The first driving part is arranged on the first surface, and the second tooth part is arranged on the second surface, so that the first connecting rod and the second connecting rod do not influence each other. The first driving part comprises a first driving groove or a first driving column, the first driving part and the second tooth part are different in gear tooth form, different motions of the first connecting rod and the second connecting rod can be achieved through the different forms, and therefore differential motion of the first connecting rod and the second connecting rod can be easily achieved; the driving states (simultaneous driving or separate driving) of the driving wheel to the first rack and the second rack do not need to be switched in the related technology, and the structure and the control logic are simplified.