46 results about "Rotational freedom" patented technology

This utility model provides a tool holder gripping mechanism, relating to the field of CNC machine tool gripping technology. The tool holder gripping mechanism includes a gripping sleeve, a base, and a mounting block. A guide key is provided on the end face of the gripping sleeve. The base has a mounting hole for inserting the gripping sleeve, allowing the gripping sleeve to rotate around the axis of the mounting hole after insertion. The mounting block is mounted on the base, and at least one positioning post is provided in the mounting block. The positioning post is located on the outside of the gripping sleeve, and restricts the rotation stroke of the gripping sleeve when it rotates clockwise or counterclockwise. The gripping sleeve has a certain degree of rotational freedom, which makes it easy for the guide key and the tool holder keyway to be precisely aligned when the gripping sleeve rotates, allowing the guide key to be smoothly inserted into the tool holder keyway, thus avoiding tool jamming when gripping the tool holder.

This application provides a power transmission structure and vehicle, belonging to the field of vehicle transmission technology. The power transmission structure is used to transmit power from a first splined shaft to a second splined shaft. It includes a sliding sleeve and a universal joint. One end of the sliding sleeve is sleeved and fixed to the second splined shaft. One end of the universal joint is provided with a connecting shaft, which slides through the sliding sleeve and has a circumferential limiting structure between it and the sliding sleeve. The circumferential limiting structure is used to limit the relative rotational freedom between the connecting shaft and the sliding sleeve. The other end of the universal joint is provided with an internal spline hole, which slides through the first splined shaft and has an axial limiting member between it and the first splined shaft. The axial limiting member is used to limit failure when the axial force exceeds a threshold range. Compared with the traditional drive shaft with flanges at both ends for connection, the power transmission structure provided by this application can meet the power transmission needs in compact and narrow spaces, and greatly improves the convenience of disassembly, assembly and maintenance.

This utility model provides a rotating handle for vehicles and a vehicle, belonging to the technical field of vehicle parts. It includes: a fixed base; a first rotating base, hinged to the fixed base via a first rotating shaft; a second rotating base, hinged to the first rotating base via a second rotating shaft; and a handle strap, the end of which is fixedly connected to the second rotating base. The axis of the first rotating shaft is not parallel to the axis of the second rotating shaft. The handle strap has a first degree of rotational freedom about the first rotating shaft and a second degree of rotational freedom about the second rotating shaft. The advantages of this utility model are: the rotating handle has two different rotation angles, and the handle strap can achieve multi-directional adjustment through the superposition of the two rotation angles, making it more flexible to use and allowing for easy adjustment to a more ergonomic grip angle.

The application discloses a kind of steel ball multi-degree-of-freedom clamping detection device and detection method, including base and detection component, first jaw pair and second jaw pair are equipped on base, detection component is fixed on base for obtaining the detection signal of steel ball clamped by first jaw pair or second jaw pair, the clamping panel of first jaw in first jaw pair is equipped with several ball bearings, first jaw pair clamps steel ball when limiting steel ball and making steel ball have rotational freedom, the two ends of the clamping surface of second jaw in second jaw pair are equipped with power contact wheel, when second jaw pair clamps steel ball, steel ball is driven to rotate by power contact wheel, base is equipped with lifting adsorption table, lifting adsorption table includes lifting pipe, rotating motor and suction cup, the bottom of lifting pipe is connected with rotating motor, rotating motor drives suction cup to rotate, lifting adsorption table is located between first jaw for driving the rotation of steel ball adsorbed.The application can directly drive steel ball to rotate while clamping steel ball, and then complete steel ball detection.

This invention relates to a highly mobile spherical robot for lunar exploration, comprising a tread, a hub, a main frame, a steering gravity pendulum assembly, and a propulsion drive device. The tread employs a flexible mesh structure, with its two side edges fixed to the spherical hub. The steering gravity pendulum assembly achieves lateral oscillation between the gravity pendulum and the main frame via gear transmission. Two propulsion drive motors are symmetrically arranged on the main frame, transmitting torque to the hub through gears meshing with an internal gear ring. Four spokes extend from each side of the main frame, with rollers mounted at the ends of the spokes. These rollers roll in grooves on the hub, supporting the main frame and providing rotational freedom between the main frame and the hub. This spherical robot has a simple structure and is easy to control. Its flexible mesh tread structure improves the robot's ability to traverse the sandy, soft, and undulating lunar surface, and its gravity pendulum-based structure provides self-balancing characteristics, making it suitable for autonomous exploration activities in the lunar environment.

This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.

This utility model discloses a multi-degree-of-freedom adjustable positioning fixture device for metal parts processing, belonging to the field of positioning fixture technology. The multi-degree-of-freedom adjustable positioning fixture device for metal parts processing includes a base. A fixing component for fixing the fixture is mounted on the top of the base. A high-degree-of-freedom rotating component is rotatably mounted on the top of the fixing component. A clamping component for positioning and clamping is mounted on the rotating component. The fixing component includes a base cylinder, an electric push rod, a moving plate, small steel balls, a top plate, and a rotating hole. By setting the base, fixing component, and rotating component, the rotating ball in the rotating component can rotate on the top plate, facing different directions. After determining the direction, the electric push rod can be activated to push the moving plate upward, thereby arranging the small steel balls above the moving plate around the rotating ball, thus limiting the bottom of the rotating ball and fixing it, thereby fixing the rotating ball and improving the rotational freedom of the fixture.

This invention provides a support plate that restricts rotational freedom, comprising a connector, a top cover, and a base. One end of the connector is used to connect to a leveling leg, and the end of the connector away from the leveling leg has a protrusion. One end of the base has a support plate for contacting a support surface. The top cover is connected to the base, and the interiors of the top cover and the base have connected cavities. The protrusion of the connector is located within the cavity. The base can rotate relative to the connector, but its rotation along a first direction is restricted. The first direction is the direction in which the connector extends towards the leveling leg. This invention effectively restricts the rotation of the support plate relative to the leveling leg, avoiding structural interference and safety issues caused by the rotation of a non-circular support plate.

The present invention discloses a smart toilet cleaning device comprising a frame 1, a nozzle, a first rotary drive mechanism, and a second rotary drive mechanism, wherein the first rotary drive mechanism is mounted on the frame and configured to drive the nozzle to rotate around a first pivot axis, the second rotary drive mechanism is used to connect the first rotary drive mechanism and the nozzle and is configured to drive the nozzle to rotate around a second pivot axis, and the first pivot axis and the second pivot axis are not parallel. [Effect] By installing a first and second rotational drive mechanism, the nozzle is given two different degrees of rotational freedom, allowing for a variety of rotation angles. This enables it to cover a larger area when cleaning the toilet, resulting in a higher cleaning effect.

This invention provides a foot structure for a humanoid robot, including a leg connecting rod. The lower end of the leg connecting rod is connected to a connecting seat mounted above a rear foot plate via a cross shaft. Two ear plates are provided at one end of the rear foot plate, and these ear plates are connected to a connecting frame mounted on the rear side of the leg connecting rod via a back motor. A front foot plate is movably connected to one side of the rear foot plate. A rear motor connecting seat is provided at the other end of the rear foot plate opposite the ear plates, and a front motor connecting seat is provided at one end of the front foot plate. A front motor is located between the front motor connecting seat and the rear motor connecting seat. This invention increases the rotational freedom of the rear and front foot plates, improves the terrain adaptability of the humanoid robot, and is more conducive to the robot standing and walking on uneven ground. Furthermore, the 6-dimensional force sensor can measure the force and torque in the X, Y, and Z directions in real time, which is more beneficial for the control of the humanoid robot.

This invention discloses a connection structure and an exoskeleton, relating to the technical field of exoskeletons. The connection structure includes a swing arm, a sliding base assembly, a rotating base assembly, a rotating component, and a mounting part. The sliding base assembly is slidably connected to the swing arm, and the sliding direction of the sliding base is consistent with the length direction of the user's limb. The rotating component is mounted on the sliding base assembly or the rotating base assembly, so that the rotating base assembly is rotatably connected to the sliding base assembly, and the rotating base assembly rotates along the circumferential direction of the user's limb. The mounting part is connected to the rotating base, allowing the user to restrain their limb. The technical solution provided by this invention improves the rotational freedom of the mounting part and the connection structure under dynamic conditions, enhancing user comfort.

A vehicle-mounted display screen and vehicle are disclosed, applicable to the field of screen displays. The vehicle-mounted display screen includes a mid-frame, a backlight module, and a screen module. The mid-frame is provided with a first positioning part, and the backlight module is provided with a second positioning part at a position opposite to the first positioning part. This not only positions the mid-frame in a predetermined position on the backlight module, reducing assembly errors, but also effectively restricts the movement of the mid-frame, allowing it to better withstand external forces and vibrations during use, thus improving the stability and reliability of the mid-frame. The mid-frame is provided with a first fixing part, and the backlight module is provided with a second fixing part at a position opposite to the first fixing part. The first fixing part and the second fixing part are fixedly connected, further enhancing the stability and reliability of the mid-frame. The distance between the first positioning part and a first corner of the screen module is less than the distance between the first fixing part and the first corner, improving positioning accuracy and better constraining the movement and rotational freedom of the mid-frame, thus enhancing its stability and reliability.

This utility model relates to the field of horizontal jack manufacturing technology, and in particular to a horizontal jack operating handle, including an operating rod and a handle sleeved on the top of the operating rod and not rigidly fixed to the operating rod. The operating rod has both an upper axial limiting structure and a lower axial limiting structure, which limits the axial displacement of the handle while still retaining circumferential rotational freedom. This design, on the one hand, allows the handle to dissipate external force through circumferential rotation when it is accidentally bumped or accidentally activated, effectively preventing the return valve from opening and closing abnormally due to accidental activation, fundamentally eliminating the safety risk of heavy objects falling accidentally; on the other hand, the operator can obtain a comfortable force application angle without adjusting body posture when operating the handle, greatly improving the flexibility of operation.

A clamping assembly comprises two clamps (100, 200) and a clamping system (10) for applying a clamping force (F) to the first clamp (100) against the second clamp (200). This clamping system (10) includes a plurality of clamping screws (12) and a plurality of female threaded portions (22) cooperating by helical connection. An interconnecting mechanism (24) comprises a plurality of links (26) and a plurality of joints (28), forming a chain (30) of successive articulated links (26). The links can freely pivot relative to each other around the joints (28). The shank (16) of each of the clamping screws (12) passes through one of the joints (28), allowing one degree of rotational freedom of the clamping screw (12) around the extension axis (18) of its shank (16). The extension axes (18) of the rods (16) of the clamping screws (12) are all substantially parallel to each other and to the clamping direction (D). Figure 3

This utility model relates to the field of electric vehicles, and more particularly to an adjustable telescopic mechanism for the driver's seat foot pedal of an electric tricycle. The utility model includes a foot pedal, a foot pedal support rod, a hinge rod, and a connecting rod. The foot pedal support rod is vertically disposed on the back of the foot pedal. The two ends of the hinge rod are connected to the ends of the foot pedal support rod and the connecting rod respectively via hinge pins. The hinge rod is a telescopic rod, and a key is provided at the telescopic joint of the hinge rod to restrict its rotational freedom. By setting a telescopic hinge rod, the distance between the foot pedal support rod and the connecting rod can be flexibly adjusted, thereby realizing the telescopic adjustment of the foot pedal position. This improves driving comfort and safety, and effectively solves the problem in the prior art where the fixed foot pedal position leads to significant differences in driving experience for drivers of different heights.

Provided is a work device and a dual-arm work device in which the amount of movement of the entire device when performing fine work is small, the reliability of the movement is high, coexistence with humans is possible, work that approximates to work performed by humans can be automatically performed, a variety of work can be performed at high speed, and productivity can be improved. A work device (1) includes a three-degree-of-freedom linear movement unit (3) and a three-degree-of-freedom rotation unit (4). The linear movement unit (3) is composed of three linear movement actuators (11, 12, 13). The rotation unit (4) is composed of a plurality of mechanisms (21, 22, 23) having one or more degrees of rotational freedom. The linear movement unit (3) is disposed so that a base portion is fixed to a support (2). The base portion of the rotation unit (4) is fixed and disposed on an output portion (13a) of the linear movement unit (3), and an end effector (5A, 5B) is loaded on both the output portion (13a) of the linear movement unit (3) and an output portion (23a) of the rotation unit (4).

Filtering pulley (1) comprising a hub (2) suitable for being fixed to a shaft rotating around an axis (A), a crown (3) and a closing element (11) associated with the crown (3) and definining with it a space (15), the crown (3) and the closing element (11) being mounted coaxially and rotationally free on the hub (2), at least one elastic system (25) arranged circumferentially with respect to the hub (2) and to the crown (3) and interposed between a pair of first elements (26) integral with the hub (2) and between a pair of second elements (16) integral with at least one of the crown (3) and the closing element (11), wherein the closing element (11) is supported by the hub (2), the crown (3) being rigidly carried by the closing element (11).

This utility model relates to a shaped nut locking unit and a cooking robot. Because the locking component is detachably connected to the limiting washer, and the limiting washer and the locked part cannot rotate, the locking component will not rotate relative to the locked part. Furthermore, the locking component restricts the rotational freedom relative to the shaped nut, so the shaped nut will also not rotate relative to the locked part, thus achieving the function of preventing loosening. Moreover, because the locking structure and the limiting washer are detachably connected, and the shaped nut and the locked part are threadedly connected, it is easy for operators to disassemble and install. Compared with the prior art, the shaped nut locking unit and cooking robot disclosed in this application can achieve stable locking over time, with equipment use and frequent installation and disassembly. During the use of the cooking robot, the shaped nut locking unit will not loosen, thus ensuring the normal operation of the components.

The present application relates to the technical field of automobile parts testing, and particularly relates to a cyclic load fatigue testing device for a suspension rubber bushing, which comprises an outer cylinder clamp, an inner cylinder limiting mechanism, a multi-axis guiding mechanism and a load simulation mechanism. The inner cylinder limiting mechanism constrains the radial translation of the bushing inner cylinder and retains the rotational freedom through a mandrel and a fixed shaft support; the multi-axis guiding mechanism guides the outer cylinder clamp to reciprocate in at least two mutually perpendicular radial directions. The load simulation mechanism simultaneously links a radial driving unit and a torsional driving unit through a main drive shaft, and utilizes the one-way rotation of the main drive shaft to synchronously drive the radial displacement of the outer cylinder clamp and the axial rotation of the mandrel. The present application adopts a full-mechanical hard-link transmission architecture, ensures the absolute phase synchronization of the radial translation load and the axial torsional load on the time axis, can truly restore the fatigue failure process of the bushing under a multi-dimensional composite stress state, and has the remarkable advantages of high simulation accuracy, good testing repeatability and the like.

This utility model specifically relates to a hydroponic root-controlling tide pot for promoting early flower bud differentiation. The outer pot of this root-controlling tide pot has a placement cavity. A ring-shaped barrier is provided at the bottom of the placement cavity. The outer pot is constructed to support the inner pot using the ring-shaped barrier, and the ring-shaped barrier also separates a water storage cavity at the bottom of the placement cavity. The inner pot is installed inside the placement cavity. A planting cavity is provided in the inner pot. A limiting frame is provided at the bottom of the inner pot. The limiting frame is fitted outside the ring-shaped barrier, providing radial limitation for the inner pot and allowing it rotational freedom around its own axis. Openings are provided on the bottom and side walls of the inner pot. The inner pot is constructed to connect the planting cavity and the placement cavity through the openings, allowing the crop roots in the planting cavity to grow into the placement cavity through the openings, and the rotational movement of the inner pot relative to the outer pot cutting the crop roots. This root-controlling tide pot effectively controls plant root growth, ensures water supply, and improves cultivation quality.

This utility model relates to the field of wire feeding technology for welding equipment. The chain-type wire feeding hose includes several sections connected in sequence. Each section has a through hole and at least one roller on its outer circumference. One end of each section has a protrusion, and the other end has a groove. The protrusion of one section mates with the groove of an adjacent section and is hinged by a pin. By optimizing the roller layout on the sections, the length of a single section can be made extremely short, resulting in a highly flexible hose that can be bent to a very small radius of curvature. The sections connected end-to-end are linked by pins, providing both sufficient connection strength and a large degree of rotational freedom, allowing it to be used as a single unit without an outer sleeve. The open structure without an outer sleeve allows impurities or dust from the welding wire surface to fall out automatically and not accumulate inside, facilitating cleaning and maintenance. The open structure also allows for automated product assembly.

The utility model provides a sofa frame of armrest foldable, include: armrest frame, seat board frame and the hinged frame of connecting between armrest frame and seat board frame, the hinged frame includes the first connecting rod and second connecting rod of hinged connection, first connecting rod and second connecting rod are fixedly connected with armrest frame and seat board frame respectively to make armrest frame have rotational freedom degree relative to seat board frame. The utility model also provides a sofa of armrest foldable, include: sofa frame as described above, elastic pad and cloth cover, sofa frame still include frame body, armrest frame and seat board frame are fixed on frame body, elastic pad sets up on armrest frame and seat board frame, cloth cover covers and sets up elastic pad outside.

This utility model relates to an engineering plastic positioning tool holder and anti-rotation tool holder system. The engineering plastic positioning tool holder includes a fiber-reinforced engineering plastic body and a cylindrical clamping cavity disposed therein. The inner wall of the clamping cavity is provided with two axially symmetrical protruding keys about a central axis. The axially symmetrical protruding keys and the body are integrally molded into an inseparable structure by injection molding, and their outer surface contours complement and match the contours of standard tool holder keyways. This utility model's engineering plastic positioning tool holder and anti-rotation tool holder system innovatively integrates the advantages of zero-backlash positioning, low-cost manufacturing, long service life, and lightweight design through an integrated protruding key structure. It effectively eliminates the circumferential rotational freedom of the tool holder while reducing manufacturing costs, providing a better solution for precision machining.

A surgical instrument mountable on a surgical robot includes an end tool, a wire assembly, a connection part, and a driving part. The end tool includes one or more jaws and has at least one degree of rotational freedom. A first portion of the wire assembly is connected to the end tool. The wire assembly passes through an inside of the connection part. The end tool is coupled to a first side of the connection part, and the driving part is coupled to a second side of the connection part. The driving part includes a driving pulley assembly, a transition pulley assembly, and an auxiliary pulley assembly. The driving pulley assembly is rotatable and connected to a second portion of the wire assembly. The transition pulley assembly guides the wire assembly from the driving pulley assembly into the connection part. The auxiliary pulley assembly is adjacent to the transition pulley assembly and changes a path of the wire assembly between the transition and driving pulley assemblies.

This invention discloses a medical anti-displacement temperature measuring dental pad, comprising a dental pad body. The side wall of the dental pad body has an arc-shaped concave groove, and the inner wall of the dental pad body has two C-shaped guide rope holes, located on opposite sides of the arc-shaped concave groove. An installation groove is formed on the inner wall of the dental pad body away from the arc-shaped concave groove. Through the segmented and precise layout of the C-shaped guide rope holes, the rope loop, after passing through the guide rope holes, forms two independent and cooperative fixing points on the inner and outer sides of the incisors. The dual-point fixing structure works synergistically to restrict the dental pad's rotational freedom and displacement space, ensuring the dental pad remains stable and preventing displacement due to unconscious patient movements. Simultaneously, the dual-point fixing structure securely confines the endotracheal tube within the arc-shaped concave groove of the dental pad, ensuring a tight fit between the endotracheal tube and the dental pad. This not only prevents dental pad rotational displacement but also effectively protects the endotracheal tube from being bitten or crushed.

The utility model relates to a profiling positioning tooling plate for vacuum pump assembly line, the utility model discloses a feature lies in, include: the middle board, the support pole of a plurality of vertical settings on the middle board, the mould of fixed in the support pole top, the mould upper support of fixed in the mould top, the mould upper support and mould constitute the profiling support surface for with vacuum pump appearance match together, to limit the translational and rotational freedom of vacuum pump in X axle, Y axle and the rotational freedom in Z axle, the guide wheel of installing on the four corners of middle board, the guide wheel is fixed through guide wheel nut, the utility model discloses structural design is reasonable, and production efficiency is high, is favorable for reducing the labor intensity, promotes the product stability.

The invention relates to a workpiece locator (10) comprising a support body (11) with which the workpiece locator (10) can be attached to a tool head (3). The workpiece locator (10) has a holding body (12) that is movable with one degree of rotational freedom (15) relative to the support body (11). Furthermore, the workpiece locator (10) has a positioning body (14) that has a receptacle (56) for a workpiece to be machined. The positioning body (14) is movable with a further degree of rotational freedom (20) relative to the holding body (12). In this way, the operation of the workpiece locator (10) can be simplified and / or a multifunctional workpiece locator (10) can be provided. It is also possible that at least two other degrees of freedom (17, 18) are provided between the support body (11) and the positioning body (14).

This utility model discloses an additive manufacturing cooling component and additive manufacturing equipment, relating to the field of additive manufacturing technology. It includes a base, a joint mechanism, a cooling nozzle, and an air compressor. The base is used to mount a heating device, which melts the supplied thermoplastic filament through heating. The joint mechanism is connected to the base, and its end has at least one degree of freedom of movement along a first axis relative to the base, and at least one degree of rotational freedom about the first axis and about a second axis, the second axis being perpendicular to the first axis. The cooling nozzle is connected to the end of the joint mechanism. The air compressor is connected to the cooling nozzle and is used to blow air outward through the cooling nozzle to cool and shape the molten thermoplastic filament. In this design, the airflow path of the cooling nozzle can be flexibly adjusted according to actual conditions, thus adapting to different printing requirements.

The disclosed invention relates to a system (100) enabling mid-air payload transfer between unmanned aerial vehicles (UAVs). The system (100) includes a pair of Transfer Container Modules (TCMs) (102). Each TCM (102) includes receptacle (104) with slots (106) for payload cases, sliders (108) with engaging means, and flexible links for inter-UAV transfer. The system (100) incorporates gimbals (126) for rotational freedom and a streamlined mid-air transfer process. The engaging means (110) includes first fingers (116) configured to expand and collapse, and a sleeve comprises one or more flaps such that, the first fingers, when the first fingers expand, engage with the one or more flaps to move the flaps to an expanded flap position, and the first fingers and the flaps function as a means to couple the sleeve (112) with the payload case.

This application relates to the technical field of ecological treatment devices for domestic sewage, and discloses such devices, including a pretreatment tank, a biological reactor, and a collection tank. This ecological treatment device for domestic sewage, by using a dual-shaft motor, operates when sludge needs to be cleaned from the bottom of the pretreatment tank. This motor causes the transmission rod and the first bevel gear to rotate. Through the meshing of the first and second bevel gears, the rotating shaft and the threaded rod rotate. The movable block limits the movement of the fixed cylinder within the sliding box, thereby moving the scraper. The scraper removes sludge from the surface of the first inclined block. The fixed rod and connecting groove limit the rotational freedom of the scraper, ensuring vertical vertical movement. A drain valve discharges the scraped sludge.