217 results about "Rolleron" patented technology

This method controls the drone in order to flip through a complete turn about its roll axis or its pitching axis. It comprises the steps of: a) controlling its motors simultaneously so as to impart a prior upward vertical thrust impulse to the drone; b) applying different and non-servo-controlled commands to the motors so as to produce rotation of the drone about the axis of rotation of the flip, from an initial angular position to a predetermined intermediate angular position; and then c) applying individual control to the motors, servo-controlled to a reference target trajectory, so as to finish off the rotation of the drone through one complete turn about the axis of rotation, progressively from the intermediate angular position with a non-zero angular velocity to a final angular position with a zero angular velocity.

A steerable wheeled device such as an in-line skate or roller ski has a hollow or dish-shaped wheel, a wheel bearing, and a wheel support connecting the wheel to a steering structure that extending substantially within the outer radius of the wheel, and steers as the user's weight is displaced. The device preferably has a side-mounted chassis, and oversize wheel positioned in front and in back of the user's foot. The chassis may contain a damping and centering force mechanism to moderate behavior of the steering or suspension. Brakes such as drum or disk brakes are connected to one or more wheels and preferably actuated, e.g., with a boot-actuated linkage, such that braking occurs upon the user adopting a specific posture. In a preferred construction, the stance shifts weight back and/or down so that deceleration does not occur until the user has assumed a stable stance.

The invention discloses a rotary cleaning device for production of a roller shaft seat and a one-way wheel of a fax machine. The rotary cleaning device comprises supporting legs, wherein a support table is fixedly connected to the top of the supporting legs; a first support rod is fixedly connected to the lower surface of the support table; a first motor is fixedly connected to the middle of the first support rod; an output shaft of the first motor is fixedly connected with a first rotating shaft through a coupling; and a driving wheel is fixedly connected to the surface of the first rotatingshaft. According to the rotary cleaning device for production of the roller shaft seat and the one-way wheel of the fax machine, the effect of cleaning the surfaces of the roller shaft seat and the one-way wheel is achieved; a second rotating shaft and a third rotating shaft rotate to drive cleaning brushes to scrub and clean the surfaces of the roller shaft seat and the one-way wheel; meanwhile,as the outer surface of a driven gear meshes with that of a driving gear, the rotating direction of the third rotating shaft can be changed, swirling is prevented, and accordingly, the problem that acommon roller shaft seat and one-way wheel cleaning device has high probability of causing retention of oil dirt and impurities is effectively solved.

The invention relates to a four-wheeled hand truck, in particular to a four-wheeled hand truck capable of achieving pivot steering. The four-wheeled hand truck comprises a frame, handles connected with the frame, a left roller, a right roller, a front roller and a rear roller, the left roller and the right roller are fixed and arranged at middle positions of two sides of the frame, the front roller and the rear roller are arranged at middle positions of the front end and the rear end of the frame and capable of steering, and a rotating link gear capable of rotating synchronously in opposite directions is arranged between a front roller support and a rear roller support. When the four-wheeled hand truck is pushed forward linearly, rolling shafts of the front roller and the rear roller and rolling shafts of the left roller and the right roller are adjusted to be parallel, and the four-wheeled hand truck can easily keep moving forward linearly; and when the rolling shaft of the front roller is adjusted to be perpendicular to the rolling shaft of the rear roller, the rolling shafts of the front roller and the rear roller are perpendicular to the rolling shafts of the left roller and the right roller, and the four-wheeled hand truck can achieve pivot steering.

The invention provides a pan-tilt structure capable of achieving pitching shooting vision maximizing of shooting equipment. The pan-tilt structure comprises a heading shaft motor, a heading shaft connecting piece, a transverse roller motor, a double-parallelogram linkage mechanism, a pitching shaft connecting piece and a pitching shaft motor. The heading shaft motor is rotationally connected withthe heading shaft connecting piece. A stator part of the transverse roller motor is fixedly connected with the heading shaft connecting piece. A rotor part of the transverse roller motor is rotationally connected with one connecting rod of the double-parallelogram linkage mechanism. The transverse roller motor rotates to drive the whole double-parallelogram linkage mechanism to move parallelly. One connecting rod of the double-parallelogram linkage mechanism is rotationally connected with the heading shaft connecting piece. The pitching shaft connecting piece is rotationally connected with thedouble-parallelogram linkage mechanism. A rotor part of the pitching shaft motor is rotationally connected with the pitching shaft connecting piece. A stator part of the pitching shaft motor is fixedly connected with a bearing piece for carrying the shooting equipment.

The invention discloses an automatic beating mechanism for sheet material stacking, which includes a conveyor belt to move the sheet material, rollers are connected to the left and right sides of the end of the conveyor belt, and the rollers are fixedly installed on a swing frame. The distance between the left and right rollers is adjusted by the swing of the swing frame. The height of the rollers is consistent with that of the conveyor belt. A track is arranged on the ground between the left roller and the right roller. A trolley is set on the track, a pole is set above the track, and a vertically downward baffle is set on the pole; by beating the sheet material falling onto the trolley, the trolley The sheets are neat and orderly.

The invention discloses a large-diameter steel strip winding pipe die and a winding method of the large-diameter steel strip winding pipe die. A first supporting disc is arranged on a unit spindle, aplurality of gear discs are arranged on the first supporting disc, rollers are installed on the gear discs, and rolling shafts are installed in the rollers. The tail ends of the rollers are installedon a second supporting disc, and the two ends of each roller are connected with the two gear discs arranged on the corresponding rolling shaft correspondingly. A mandrel is arranged in the middle of the first supporting disc and the middle of the second supporting disc in a penetrating mode, a pin hole is formed in the end, penetrating out of the second supporting disc, of the mandrel, and a hingepin is inserted into the pin hole. The winding method comprises the steps that sampling is conducted through a high-frequency data acquisition card; the step length voltage value is calculated; the step length voltage value is converted into pressure data, and detection information is sent; the speed of a motor is adjusted according to the detection information, and a hydraulic rod is adjusted tocontrol the appearance structure of the die at the same time. By the adoption of the large-diameter steel strip winding pipe die and the winding method, the forming quality of pipelines is improved,the formed pipelines are closely attached to the surface of the die and easily fall off, the production efficiency and the product quality are improved, and the large-diameter steel strip winding pipedie and the winding method can be used for producing straight pipes and taper pipes.

The invention discloses a roll bending forming die and a forming method of a large-curvature semi-arc-shaped pipe orifice reinforcing part. The forming die comprises a forming cam, a forming concave wheel and a driven concave wheel; the forming cam, the forming concave wheel and the driven concave wheel are respectively mounted on three different rollers of an asymmetric three-axis roller bendingmachine; during forming, blank positioning is carried out firstly, then the relative position relation between the forming cam, the forming concave wheel and the driven concave wheel is set, then thethree-axis roll bending device is used for forming, and finally, the pipe orifice reinforcing part passes between the three synchronous rotating rollers and continuously generates axial and longitudinal plastic bending deformation, so that the required cross-sectional shape and the radian shape are obtained.

The invention discloses an automatic cleaning ship comprising a ship body, a controlling device is arranged on the ship body, the ship body comprises two branch ship bodies. A propeller is arranged onthe tail portion of each branch hull, the propeller is electrically connected with the controlling device; a conveying device and a storage frame are sequentially arranged between the two branch shipbodies from front to back. The conveying device comprises a net-shaped conveying belt, a rolling shaft and a driving part for driving the rolling shaft to rotate. A plurality of rows of fishing assemblies are arranged on the net-shaped conveying belt in the moving direction. The propeller pushes the ship body to advance and steer when the automatic cleaning ship works, meanwhile, the rolling shaft is driven by the driving part to drive the net-shaped conveying belt to move, salvage is conducted through a salvage assembly, large floaters can be salvaged and conveyed into the storage frame through the net-shaped conveying belt, the net-shaped conveying belt is beneficial to draining of the floaters, and the water amount in the storage frame is reduced.

The invention discloses a roller conveyor, and relates to the field of conveying equipment. The roller conveyor comprises a supporting component, a first conveying component is arranged on the inner side of the supporting component, and an adjusting component is arranged at one end of the supporting component. A mounting component is arranged at the bottom end of the supporting component, and a friction component is arranged on the outer wall of the first conveying component. Through the arrangement of conveying belts, a motor, a supporting seat, an adjusting plate and a rubber cone, the supporting seat and an adjusting seat are clamped in the adjusting plate, an object with an irregular shape is placed on a roller way, the two sides of the object are clamped on the two conveying belts, and the motor drives the conveying belts to convey through two rolling shafts. When the conveying belts move, the object is driven by a plurality of rubber blocks on the conveying belts to move on the roller way, so that the irregular object can be conveyed under the driving of the two conveying belts and a plurality of rollers. Thus, the problem that the object with the irregular shape is difficultto convey is effectively solved.

A roller shade adapted to be installed in a non-rectangular structural opening comprising a roller tube, a shade material, a hem bar, a shade drive unit adapted to rotate the roller tube, and a pair of longitudinal side channels adapted to be attached to the sides of the structural opening. The shade material comprises a shape that corresponds to the shape of the structural opening to substantially cover thereof. The hem bar may be extendable and may comprise a pair of wheels at its opposite terminal ends. Each wheel is adapted to be retained by and travel within one of the longitudinal channels which are adapted to guide the hem bar assembly along the side jambs and control an extension of the extendable hem bar as the shade material is rolled on or unrolled from the roller tube and the distance between the side jambs changes. The roller shade may further comprise a pair of tension modules adapted to be attached opposite from the roller tube. Each tension module comprises a retractable cable attached to the hem bar proximate to one of the wheels to provide tension on the hem bar assembly.

The invention relates to a bending device and method based on rolling bending and torque controlling. The bending device comprises a driving motor, a clamping fixing seat and a host which are installed on a rack; a bending shaft is installed on the driving motor, and a work piece is arranged on the clamping fixing seat; the bending device further comprises an X-ray thickness detector which is installed on the rack through a support, and a proximity switch, a first pressure sensor, a second pressure sensor and a roller which are installed on the clamping fixing seat; the first pressure sensor and the second pressure sensor are located on the side face and the bottom face of the work piece respectively, and the roller is located on the concave face side of the work piece. According to the bending device and method, the pressure sensors are adopted to control the clamping force, and therefore excessive deformation and looseness of sheet metal are avoided; bending is performed with the most suitable torque, and therefore the machining quality is improved; the proximity switch is arranged to automatically control the bending angel, and therefore excessive bending is prevented; the inner concave face of the work piece is rolled by the roller, and therefore cracks and burrs at the concave face are decreased.

The invention relates to a device and a method for measuring a frictional angle of an interface of a retaining wall and contact soil. The device comprises a base, a counter-force frame, a roller slide rail, a bearing sliding table, a shear force applying cylinder, a loading force applying cylinder, a screw rod lifter, a screw rod lifter mounting rack, a retaining wall sample shearing box and a contact soil sample shearing box; the counter-force frame and the roller slide rail are fixedly arranged on the base; the loading force applying cylinder is vertically fixed at the top end of the counter-force frame; the shear force applying cylinder is horizontally and fixedly arranged on the base; pressure sensors are arranged at the ends of piston rods of the loading force applying cylinder and the shear force applying cylinder; the contact soil sample shearing box, the retaining wall sample shearing box, the screw rod lifter mounting rack, the bearing sliding table and the roller slide rail are arranged from top to bottom on the base. The method comprises the following steps: preparing the sample; mounting the sample; applying a loading force till reaching a preset value; applying a shear force to the contact soil sample, shearing and damaging; repeating multiple sets of shear damaging tests; and fitting the straight line of the loading force and the shear force, wherein an inclined angle of a fitting straight line is the frictional angle of the interface.

The invention belongs to machining devices, and particularly relates to a multi-stage cylinder line marking and drilling safety tool, a multi-stage cylinder line marking method and a multi-stage cylinder drilling machining method. The multi-stage cylinder line marking and drilling safety tool comprises a horizontal base plate. A vertical supporting baffle is fixedly installed on the front portion of the base plate. A clamping mechanism which faces the supporting baffle and can horizontally move forwards and backwards is installed on the rear portion of the base plate. A pair of horizontal rolling shafts which are parallel to each other are installed on the two sides of the base plate, the two ends of each horizontal rolling shaft are installed on supporting bases through bearings, and a rocking handle which can drive the horizontal rolling shafts to rotate is installed at the end of at least one horizontal rolling shaft. The external circumference of a cylindrical workpiece can be installed between the two horizontal rolling shafts and is tangent with the horizontal rolling shafts, and the two axial ends of the cylindrical workpiece can be axially clamped and fixed or released by the clamping mechanism and the supporting baffle facing the clamping mechanism. The multi-stage cylinder line marking and drilling safety tool is simple in structure, high in clamping accuracy, good in stability and high in safety, and convenient to operate and firm to clamp.

The invention discloses a mechanical lifting type engineering machinery transfer device which comprises a main body frame, an equipment inlet is formed in the rear end of the main body frame, rollingshafts are evenly distributed at the lower end of the main body frame, and the left ends and the right ends of the rolling shafts and the left side and the right side of the main body frame form bearing connecting structures; a mounting seat is fixedly mounted at the upper end of the right side wall behind the main body frame, the inner side of the mounting seat and the right end of the movable stop lever form a hinged structure, a fixed bayonet is fixedly mounted at the upper end of the left side wall behind the main body frame, and a motor is fixedly mounted on the left side of the front endsurface of the main body frame; and the shaft end of the motor and the left end of the transmission shaft form a fixed connection structure. According to the mechanical lifting type engineering machinery transfer device, engineering machinery can be conveniently, simply and rapidly placed on the transfer device to be carried, the operation steps are simple and convenient, the labor intensity of workers is reduced, and the mechanical lifting type engineering machinery transfer device can adapt to complex terrains.

The invention discloses an electromagnetic catapult. The electromagnetic catapult comprises a power mechanism, a guide rail mechanism, and a traction mechanism arranged on the guide rail mechanism; the power mechanism comprises a linear motor which is arranged in a motor bracket; the guide rail mechanism comprises an upper crossing roller shaft slide rail and a lower crossing roller shaft slide rail which are symmetrically arranged at the upper end and the lower end of the motor bracket; the traction mechanism comprises a traction bracket. The electromagnetic catapult has the beneficial effects of being simple in structure and stable in performance; meanwhile, the slide rail structure is arranged, so that the problem of excessively large frictional resistance during catapulting can be solved, and as a result, the use performance of the electromagnetic catapult is effectively improved; the electromagnetic catapult has a good market prospect.

The invention provides a roller carrier capable of automatically adapting to a rolling shaft and automatically locking and an application method of the roller carrier. The roller carrier comprises a rack, wherein transverse moving components are arranged above the rack, each transverse moving component comprises an upper moving mechanism and a lower moving mechanism in linkage with the upper moving mechanism, each lower moving mechanism comprises a first rack in sliding connection with the rack, and a supporting roller is connected to one end of each first rack; a spring is connected below each first rack; each upper moving mechanism comprises a second rack, one end of the second rack is connected with an obliquely arranged baffle, and the baffles in the two sets of transverse moving components form a V shape; and the rack is further connected with gear frames, a second gear and a first gear which are vertically meshed are rotationally connected to each gear frame, each second gear is meshed with the corresponding second rack, and each first gear is meshed with the corresponding first rack. The roller carrier further comprises locking mechanisms used for locking and braking the first racks. A mechanical structure is adopted for automatically adjusting the distance between the supporting rollers according to the rolling shaft, complexity caused by manual adjustment is reduced, and high safety is achieved.

The invention discloses an intelligent carbon sliding plate bracket roll bending machine with a supporting function, which comprises an upper bottom plate, a lower bottom plate and a rectangular box,wherein the rectangular box is arranged on the top surface of the upper bottom plate, supporting pieces are arranged between the upper bottom plate and the lower bottom plate, an air cylinder is mounted on the top surface of the lower bottom plate, and the top end of an air cylinder rod is fixedly connected with a rectangular plate on the bottom surface of the upper bottom plate through a fixing plate; a motor is arranged in the rectangular box; the left end of a motor shaft on the left end surface of the motor is in transmission connection with the left sides of two roller cylinders through atransmission mechanism; the right end of a motor shaft on the right end surface of the motor is movably connected with a main roller assembly through a first coupling; driven shafts penetrating through the roller cylinders are arranged in the roller cylinders, and steering mechanisms are arranged between the right sides of the roller cylinders and the corresponding driven shafts. The invention further discloses an operation method of the intelligent carbon sliding plate bracket roll bending machine with the supporting function. According to the invention, the problem that the height of the roll bending machine cannot be adjusted according to the height of a worker is effectively solved, the comfort of the worker is increased, and the roll bending efficiency is improved at the same time.

The present invention relates to a stabilizer configured to rotate about a heading axis and a transverse roller for stabilizing a photographing device. The stabilizer comprises a handle with a headingaxis motor, and a connecting arm, wherein a first connecting piece is arranged on the side surface of the handle; a clamping piece driven by a transverse roller motor is arranged on the far end partof the connecting arm, and a second connecting piece matched and connected with the first connecting piece is arranged on the side surface of the connecting arm, so that the connecting arm is able tomove in a far side direction or a near side direction relative to the handle and is able to move to a storage state with reduced occupied space.