47results about How to "Precise swing" patented technology

The invention discloses a carbon-free self-propelled trolley with a reversing function. A four-connecting-rod mechanism and a joint bearing part are used to accurately control swing of a guide wheel fork so as to realize turning of a guide wheel, small torque and abrasion and accurate swing are achieved. Four rail rods are used to limit swing of a counter weight, so that tilting of the trolley during turning and coming up and down a slope can be avoided effectively. The carbon-free self-propelled trolley is driven to move by converting gravitational potential energy into kinetic energy, no fuel or electric energy is needed, no greenhouse effect gases such as carbon dioxide are emitted, and the carbon-free self-propelled trolley is low-carbon, environmental friendly, and simple to use. An operator can reverse a trolley drive wheel to hang a heavy object, namely converting mechanical energy into gravitational potential energy. The carbon-free self-propelled trolley can be used as physics demonstration experiment equipment for primary schools and middle schools, and students are allowed to better understand experiment energy conversion and application through specific instances.

A golf putter, ball retriever and retainer configured to retrieve and hold a golf ball. The putter defines a substantially symmetrical configuration from heel to toe. The ball retriever and retainer is defined by a spherical recess formed in the sole of the putter and an opening defined on the top surface thereof. At least one resilient tab is defined in the sole to enlarge the sole opening. Ball alignment indicia are disposed on the top surface of the golf putter head, the ball alignment indicia defining at least a C-shaped configuration, whereby a ball is visually aligned between said first and second ends to center the ball on said striking face. The ball alignment indicia may further include at least one line segment disposed coincidentally to the initial direction of travel of the golf ball.

The invention discloses a yarn tension control mechanism of a warp knitting machine, which comprises a tension seat, a tension rod, a yarn-through rod, a driving gear, a driven gear and a servo motor, wherein the tension rod and the yarn-through rod are mounted on the tension seat; the driven gear is mounted on the tension rod; tension springs of certain number are equidistantly mounted in the same direction on the tension rod; yarn guide caps are clamped by the tail-end openings of the tension springs; a flange of the servo motor is fixed on the tension seat through a bolt; the driving gear is arranged on an output shaft of the servo motor; the driving gear is meshed with the driven gear; when the servo motor rotates back and forth under the control of the set program, the driving gear rotates along with the servo motor and the driven gear is driven to rotate; the rotation of the driven gear drives the tension rod and the yarn guide caps of the tension springs to rotate; and the control program controls the motor to rotate back and forth according to the rotation speed of a main shaft of the wrap knitting machine to cooperate with the looping motion of the warp knitting machine so as to control the tightness of the yarn tension. The uniformity of the yarn tension is guaranteed, thus the knitting of the warp knitting machine is smooth, the quality of the grey cloth is good, and the production efficiency is high.

A high-stability miniature circuit breaker includes an operating mechanism, wherein a pivotal shaft of the operating mechanism fixed on a shell includes a first shaft section, a second shaft section and a shaft shoulder; the diameter of the second shaft section is larger than that of the first shaft section, and the diameter of the shaft shoulder is larger than that of the second shaft section. A lever is installed on the first shaft section through a first shaft hole in a pivoting way and used for limiting the axial position of a protruding mesa relative to the pivotal shaft through contact fit between the protruding mesa disposed on the lever and a thrust surface on the second shaft section. A latch assembly is installed on the second shaft section through a second shaft hole in a pivoting way; a first end face fitted with a support surface on the shaft shoulder is disposed at one end of the second shaft hole; and a second end face fitted with the protruding mesa is disposed at the other end of the second shaft hole. A first hasp fitted with a second hasp of the latch assembly is disposed on a connecting rod, the connecting rod is engaged with each other with the latch assembly in the first and second hasp contact and withhold state, and the latch assembly controls a drive rod and the lever not to move relatively; the connecting rod is separated from the latch assembly when the first and second hasps are separated and unbuckled, and the latch assembly is separated from the drive rod, so that the drive rod can slide along a groove of the lever.

The invention discloses an autonomous type mine detection robot system and a mine detection method. The autonomous type mine detection robot system comprises a vehicle body. A moving chassis system 2, a mechanical arm detection system 3 and a coating system 4 are arranged on the vehicle body. The moving chassis system 2 is connected with the mechanical arm detection system 3 and the coating system 4. The moving chassis system 2 comprises a moving platform system 5, a power system 6 and a control system 7. The mechanical arm detection system 3 comprises a mechanical arm movement system 8 and a detection system 9. The power system 6 is installed at the back end of the movement platform system 5, provides the power source for the whole device and is used as a counter weight. The control system 7 is connected with the power system 6 and the detection system 9. The detection system 9 is arranged at the front end of the mechanical arm movement system 8. The autonomous type mine detection robot system can intelligently, accurately and efficiently detect and mark mine points of a mine area in a non-destructive manner, and therefore the safe and reliable guarantee is provided for follow-up mine removal. The autonomous type mine detection robot system conducts mine detection and marking and is long in service life.

The training device is made in two pieces that are mirror image of each other. In the first embodiment which is used to improve an individual's general swing the two pieces are laid together such that the two inclines form a valley. To use the device one steps on the inclines and places his feet approximately shoulder length apart in parallel with the valley. One then takes up a stance to swing. As he practices swinging the golf club he noticed how his body feels with the weight on the insides of his feet. By him standing on the inclines he will keep his feet, hips, shoulders in the proper position for a correct swing.

The invention relates to the field of semiconductor processing equipment, in particular to an automatic sheet arrangement machine for packaging sheet materials, which comprises a controller, a workbench, a clamping bottom frame, a clamping top frame, a material moving device and a conveying device. The conveying device comprises a fixing support, a conveying belt, a material supporting belt, a blocking mechanism, a first photoelectric switch and a second photoelectric switch. According to the conveying device of the automatic sheet arranging machine, through mutual cooperation of the conveyingbelt, the material supporting belt and the controller, packaging sheet materials in the previous procedure can be moved to a feeding area of the material moving device instead of manual work, and themanual participation rate is reduced; and meanwhile, under the action of the blocking air cylinder, the first photoelectric switch and the second photoelectric switch, the subsequently-entering packaging sheet materials are prevented from entering a feeding area of the conveying device to be mutually extruded with the previous packaging sheet material, and smooth discharging of the automatic sheet arranging machine is guaranteed.

The invention provides a compact type long-span steel wire rope traction rear-mounted throwing and coating head swinging device. A rotatable and swingable coating head module and a steel wire rope traction group module are arranged at the front end and the rear end of a throwing rod correspondingly, and accurate stretching and retracting of a steel wire rope are controlled through driving of the steel wire rope traction group module so that accurate swinging of a throwing and coating head can be achieved, the coating space of the throwing and coating head is expanded, the throwing and coating head can coat irregular curved surfaces of inner cavities of seal heads with different specifications in engine shells with different lengths and different diameters while the coating quality and the coating efficiency are both considered, and the problems in the prior art are solved.

The invention relates to a music fan based on swing blade air changing and a control method of the music fan based on swing blade air changing. The music fan comprises a power unit, a supporting unit, a humidification unit, a swing blade driving unit and a control unit; the power unit comprises two fan bodies and is located in the outer shell; the supporting unit comprises a supporting structure and the outer shell; moisture of the humidification unit is led into the outer shell through moisture inlet holes; the swing blade driving unit comprises a front beam, a back beam, a stepping linear lead screw motor, two polish shafts, eight screws, six swing shafts, six fixedly-connected pieces, six rotating shafts, nuts, separating plates, six connecting sheets and six swing blades. An open-loop control linear lead screw motor for converting electric pulse signals into linear displacement is used in the music fan. Under the non-overload condition, the rotating speed and the stopping position of the motor are only determined by the frequency and the pulse number of the pulse signals and are not influenced by load changes; the angular displacement amount is controlled by controlling the number of pulses, and the aim of accurate positioning is accordingly achieved.

The invention relates to an elastic operation switch system which is characterized in that the system comprises a base plate, a high-voltage switch and an operating mechanism. The operating mechanismis arranged on the base plate. An output end of operating mechanism is connected to the high-voltage switch. According to the system, through the cooperation of an elastic operation cam structure anda dual-rocker mechanism, the accurate swing of the high-voltage switch is achieved. A cam mechanism is powered by an independent stepper motor, and the overall stability performance is improved. The elastic operation cam structure is used in the invention, compared with a general high-voltage switch operation structure, force closure and a more stable structure can be achieved by the structure.

The invention discloses a warp sizing machine head, comprising a telescopic reed, a length measuring roller, a towing roller, a tension roller, a yarn guiding roller and a live axle. The telescopic reed, the length measuring roller, the towing roller, the tension roller and the yarn guiding roller are all disposed between large wall panels of the head and are on the upper part in the head. The live axle is located on the inner lower part between the large wall panels on both sides. The towing roller is coupled with a reducer and a motor in the large wall panel. A built-in reed swing mechanismis arranged on the upper part of the large wall panel on the right side. The integrated head is in a built-in structure, lengths of a roll surface and a bearing spindle head are reduced, and deformation of winding degree of the towing roller is reduced. Built-in connection transmission of the towing roller, the reducer and motor reduces space occupation, and transmission efficiency loss is small.Transmission of the built-in reed swing mechanism is accurate, and space occupation is small. The transmission mode of a moving box and the motor arrangement form integral transmission and integral moving, thereby reducing the transmission force. The transmission efficiency is improved by about 30%. The warp sizing machine head has simple and reasonable structure, small occupied space, precise transmission and high transmission efficiency.

The invention discloses a circular seam welding machine. The circular seam welding machine comprises a base and a control cabinet, wherein the base is provided with sliding rails; one end of the sliding rails is connected with a pipe body connecting seat in a sliding mode; the pipe body connecting seat is provided with a pipe body positioning device for positioning the pipe body and a rotating device for driving the pipe body to rotate; a pipe body is arranged on the pipe body positioning device and can rotate relative to the pipe body positioning device; the other end of the sliding rails isconnected with a connecting pipe positioning device and a jacking device in a sliding mode; a connecting pipe is arranged on the connecting pipe positioning device and can rotate relative to the connecting pipe positioning device; the jacking device is fitted with one end, away from the pipe body, of the connecting pipe; the jacking device is used for jacking the other end of the connecting pipe to one end, close to the position, of the pipe body, and a lifting welding device is further included and is connected with an automatic wire feeder; and the welding device comprises a fixing rod, a fixing seat, an air cylinder, a welding gun and a rotating stepping motor, and the fixing seat is connected with the fixing rod. The circular seam welding machine has the advantages of being convenientto use and good in welding effect.

The invention discloses a tire mold air hole processing device and a processing method. The air hole processing device includes a workbench, a swing plate, an axial swing block of a pattern block, a servo motor, a rotating shaft, and a circumferential swing block of a pattern block. The swing plate is installed on the pattern block. On the block axial swing block, the pattern block axial swing block is connected with the rotating shaft, the rotating shaft is connected with the servo motor transmission, and the pattern block circumferential swing block is installed on the swing plate. The axial swing block and the circumferential swing block of the pattern block are used to realize the swing of the pattern block in the axial direction and the circumferential direction, the swing is flexible, and the normal direction of the air hole position of the pattern block is guaranteed. The swing angle range is large, and the servo The motor controls the axial swing, and the swing angle is precisely adjustable.

The invention provides a manual-transmission testing device capable of controlling the swing angle of a shift lever and acquiring signals of dragline travel distance and shift-lever handfeel at the angle. The manual-transmission testing device comprises a control unit, a manual-transmission mounting seat (1), a first swing mechanism, a second swing mechanism and a stay wire sensor (3). A first electric cylinder (6) is used for driving a first supporting piece (5) to swing around a first rotating shaft (4), and the first rotating shaft (4) is connected with a first rotating sensor (7). A second electric cylinder (10) is used for driving a second supporting piece (9) to swing around a second rotating shaft (8), and the second rotating shaft (8) is connected with a second rotating sensor (11). The second supporting piece (9) is provided with a manipulator used for fixing a gear-shifting handle (12) of a manual transmission (2). The manipulator is provided with a force sensor (14). The first rotating shaft (4) is perpendicular to the second rotating shaft (8). The stay wire sensor (3) is electrically connected with the control unit.