39 results about "Axial joints" patented technology

A prefabricated column assembly includes a hollow tubular column having a longitudinal axis. A gusset plate assembly includes a plurality of gusset plates connected to the column and extending laterally outward from the column in planes generally parallel to the longitudinal axis of the column. A first pair of the gusset plates extends laterally outward from the column along a first axis and defines a space for receiving an end portion of a first beam for mounting the first beam on the first pair of gusset plates. A second pair of the gusset plates extends laterally outward from the column along a second axis that is nonparallel and non-coincident with the first axis. The second pair of gusset plates defines a space for receiving an end portion of a second beam for mounting the second beam on the second pair of gusset plates to provide a bi-axial joint connection.

A long board for street skating having an offset axial joint with a lower hinge support block on a front segment and a lower hinge support block on a rear segment having a hinge which folds the board in the direction of the upper surfaces of each segment, the offset joint allowing a first set of wheels to set behind a second set of wheels depending from each segment when in a folded position for a more compact profile, each lower hinge support block providing the hinge so that each front and rear segment are parallel in a stored and folded position.

A motor vehicle, especially a utility vehicle, with a vehicle chassis (3) as well as with a rear axle arrangement (2) having a rigid axle (1). A Panhard rod (8) for supporting lateral forces or a control arm for supporting longitudinal forces is arranged between the vehicle chassis (3) and the rigid axle (1). The motor vehicle has the Panhard rod (8), which is directly articulated to the vehicle chassis (3) with an axial joint (11) in a pivotingly movable manner or by a control arm. The Panhard rod (8) is articulated to the rigid axle directly with an axial joint (11) in a pivotingly movable manner.

A figure system includes a drive unit and a figure. The drive unit includes a plurality of first actuators. The figure includes a plurality of joints. The joints have one or more axial joint mechanisms. Drive force derived from at least one of the first actuators is transmitted to corresponding at least one of the axial joint mechanisms through a wire. The drive unit includes, as the plurality of first actuators, a plurality of servomotors having respective drive shafts. The figure includes coupler members having respective bearing holes. The bearing holes are detachably coupled to the respective drive shafts of the servomotors, or configured to be detachably coupled to the respective drive shafts of the servomotors. The wire has a first end coupled to corresponding one of the axial joint mechanisms, and a second end coupled to corresponding one of the coupler members.

A conformable body interface is fabricated using a data set representing a three- dimensional, soft tissue body surface. The conformable body interface includes a body scaffold that is divided into two or more longitudinal segments separated by axial joints. Optionally, the body scaffold is further divided into two or more circumferentially split segments separated by circumferential joints. The axial joints are circumferentially constrained by elastic bands, tabs, or similar structures and the circumferential joints are longitudinally constrained by elastic axial tethers or similar structures. In this way, the body interfaces can accommodate swelling and bending of the body surface.

The present invention discloses one multipath pressure switcher for reverse osmosis sea water desalting energy recovering apparatus, and belongs to the field of liquid after-pressure recovering technology. The switcher is a casing, a rotating core and end caps assembled to ends. The casing is provided one axial joint and two other joints distributed symmetrically about the axial joint. The rotating core is one hollow cylinder and has sealed joints on two ends, and each of the joints has two radial fan-shaped slots, two fan-shaped holes communicated to the central hole of the rotating core and one central pressure releasing slot communicated to the two fan-shaped slots. The present invention has the advantages of no fluctuation in flow rate and pressure of inflow and outflow salty water and sea water, low rotation speed of the rotating core without noise, good sealing performance, and less leakage and back mixing of salty water and sea water.

A ball joint, particularly an axial joint, having a housing, a bearing shell which is arranged in the housing, and a ball pin with a ball head which is arranged in the bearing shell, is characterized in that the bearing shell is bent open elastically by the ball head so that the restoring force resulting from its deformation applies a prestress onto the ball head which attempts to press the latter out of the housing.

The invention discloses a time-optimal trajectory planning method and a time-optimal trajectory planning device aiming at a robot operation space. The method comprises the steps of calculating a constrained curve MVC according to a path of the operation space and all-order derivatives of various axial joint displacement of a robot on the time; carrying out path integration in the operation space according to the path of the operation space and the constrained curve MVC; obtaining an integrated path; and the like. The device comprises a memorizer and a processor. According to the time-optimal trajectory planning method and the time-optimal trajectory planning device aiming at the robot operation space provided by the invention, the limitation of the all-order derivatives of the various axial joint displacement of the robot on the time is converted into the limitation of all-order derivatives of arc length parameters, so that a multi-dimension constraint condition is converted into a single-dimension constraint condition, and the whole trajectory planning process is simple and high efficient; various axial joints are always at a saturation condition of constraint, so that the runningefficiency of the robot is improved; and after introducing higher-order derivatives of displacement such as accelerated speed and acceleration jerk of the various axial joints, the shaking of the tail end of the robot can be effectively reduced through an obtained trajectory planning result, and the stability of the robot is improved.

The invention provides a suspension structure of a control surface of a large aircraft. The suspension structure of the control surface of the large aircraft is comprised of a hinged line load bearingstructure (1) and an aerodynamic load bearing structure (2). Hinged line load is independently borne by the hinged line load bearing structure (1), wherein the hinged line load bearing structure (1)is comprised of box-shaped beams (11), bolt shafts (13), and an axial joint (12). The box-shaped beams (11) are arranged in a stabilizing plane (4), the bolt shafts (13) are arranged in the box-shapedbeams (11), and the axial joint (12) is arranged in the control surface (3). Aerodynamic load is independently borne by the aerodynamic load bearing structure (2), wherein the aerodynamic load bearing structure (2) is comprised of a suspension support arm (21) and a suspension joint (22). The suspension support arm (21) is arranged in the stabilizing plane (4), and the suspension joint (22) is arranged in the control surface (3). The hinged line load bearing structure (1) is arranged on the root portion of the control surface and the lower portion of the stabilizing plane, so that a large opening in the front of the control surface is avoided, and the aerodynamic efficiency of the control surface is enhanced; the box-shaped beams (11) are directly connected with butt joints on a tail wing, the force transmission is simple and direct, and the weight is light; and through the combination of a bushing and a bearing and a clearance which is arranged reasonably, different degrees of freedom are released, and the work of each structure is non-interference and reliable.

Provided is a stirring device that can drive a stirring body with a simple structure and without applying excessive force. The stirring device is provided with: the stirring body, which is a two-circle roller having an axis of rotation and two stirring fins; first and second drive shafts with axial centers not matching the axis of rotation; a first axial joint, which connects the first drive shaft on a first stirring fin side of the axis of rotation; a second axial joint, which connects the second drive shaft on a second stirring fin side of the axis of rotation; and a drive unit that exclusively carries out rotary drive of only either one of the first and second drive shafts. The drive unit is provided with a regulating member that makes a tooth part of a first gear face a drive side gear without play at a rotary position where the boundary between the tooth part and a toothless part of the first gear faces the drive side gear and makes a tooth part of a second gear face the drive side gear without play at a rotary position where the boundary between the tooth part and a toothless part of the second gear faces the drive side gear.

The invention discloses a pipe gallery joint waterproofness test method, which is used for carrying out a waterproofness test on a jack type pipe gallery. Water is injected into an axial joint in a labyrinth type butt joint by utilizing a water injection pipe. Compared with a method for injecting the water from the outer side to the inner side, the method for injecting the water from the middle and extending the water to two outer ends has the advantage that equivalently two groups of waterproofness tests are carried out at the same time, so that the test efficiency is greatly improved, the test time is shortened, and the problem that the test effect is influenced because the water injection time is not accurate, the water pressure cannot be increased and the like due to transverse diffusion of water flow during water injection is also avoided. The pipe gallery joint waterproofness test method has the advantages of being convenient, rapid and efficient in operation, accurate in test result and the like.

A feeder duct assembly for a gas turbine engine, which negates the need for a ball or axial joint in the duct for required for flexibility under thermal loading. The feeder duct assembly of the present innovation comprises an end fitting designed to meet flexibility requirements without compromising dynamic performance of the system with added weight from ball or axial joints in the ducts.

The invention discloses a rapid mounting structure of a steel bar group. The rapid mounting structure of the steel bar group comprises steel columns composed of a group of steel bars connected axially, and the upper section of the steel bars and the lower section of the steel bars realize axial rapid connection through a cross-shaped key; the steel columns are distributed in a queue mode to form the steel bar group; spline rings are welded to the axial joint of the steel bars; the steel columns in the steel bar group are connected through horizontal connecting pieces; inserting pieces are welded to the two ends of the horizontal connecting pieces; and the inserting pieces at the two ends of the horizontal connecting pieces are connected with key grooves of the spline rings in an insertingmode, and rapid connection between the steel columns is realized. According to the rapid mounting structure of the steel bar group, the problem that the inner sides of the steel bars cannot be weldedis solved, and the connection requirement is met while the requirements of permanent connection and temporary fixing are met; the construction difficulty is reduced, the factory welding construction time is shortened, and the welding quality of the steel bars is ensured; and the mounting time of the steel bars can be shortened, the construction speed is accelerated and the cost is reduced, the perpendicularity of the steel bar group is better guaranteed, and the construction error is reduced.

The present invention relates to an automatic coating apparatus which coats a cylindrical flange to prevent corrosion. The automatic coating apparatus includes: a rail mounted on a flange; a first body configured to rotate along the rail, and having at least one axial joint configured to rotate or to move in a straight line; a coating module disposed on one end of the axial joint, and including a coating gun configured to coat the flange; and a control part controlling the rotation of the first body, the movement of the axial joint, and the operation of the coating gun.

The invention relates to the technical field of mosaic paving equipment, in particular to a mosaic image paving robot. The mosaic image paving robot comprises a stand and a first mechanical arm horizontally assembled onto the stand rotatably; the first mechanical arm is horizontally equipped with a second mechanical arm rotatably; the second mechanical arm is further horizontally equipped with a printing device rotatably; the printing device includes a fixed seat and a lifting seat, wherein the fixed seat is horizontally assembled onto the second mechanical arm rotatably, and the lifting seatis movably assembled onto the fixed seat in the vertical direction; and the lifting seat is equipped with a printing head. The mechanical arms rotate to determine the horizontal position of the printing device, the lifting seat moves so as to determine the vertical position of the printing head, and mosaic grains are grabbed and released by utilizing the printing head, so that a linear guideway isomitted, and the occupied space is saved; and meanwhile, the mechanical arms are reduced to two in number, and the whole robot only has three axial joint degrees of freedom, so that the action of therobot is flexible and convenient, a control system of a controller is simplified, the cost of the robot is reduced.

The invention provides a linear-driven multi-freedom-degree mechanical arm joint based on a smart material. Under the excitation of signals, a moving sliding block is pulled by an SMA driving wire to drive a split fork to move so as to pull a joint connecting frame to rotate, and the joint connecting frame is made to swing around the perpendicular plane with a shoulder end brace as a center. At a fore joint driving position, a moving sliding block is pulled by an SMA driving wire to pull a split fork to rotate, and a joint connecting frame is driven to swing around the horizontal plane with a shaft hole of the perpendicular plate side of the joint connecting frame as a center. At two fore joint driving positions, an SAM driving wire on a joint connecting frame drives a moving sliding block to drive the split fork to rotate around an outer side shaft hole of the joint connecting frame so as to drive an axial joint connecting frame to rotate in the axis direction, and the multi-freedom-degree movement of the mechanical arm joint is achieved finally. According to the linear-driven multi-freedom-degree mechanical arm joint based on the smart material, due to the fact that the SMA wires are adopted, the linear output of power driving can be achieved directly, and the defects of energy consumption and noise caused by using a middle mechanism in the axial driving of a traditional motor are overcome.

A micro-motor is used to solve the problem of insufficient axial joint height between existing bearings and shafts. The micro-motor comprises a base; a bearing arranged on the base and having a shafthole and a highest surface in the axial direction; an axial center rotatably coupled to the shaft hole; a stator assembly coupled to the base; and a rotor assembly coupled to the axial center. The rotor assembly comprises a motor housing having a lowest bottom edge in the axial direction corresponding to the bearing. The lowest bottom edge has a minimum spacing from the highest surface of the bearing, the minimum spacing being between 0.05 mm and 0.16 mm. The invention also provides a fan for the micro-motor.