158results about How to "Avoid center of gravity" patented technology

A stage assembly includes a stage base, a stage, a stage mover assembly, a reaction mass assembly, a reaction mover assembly, and a control system. The stage mover assembly moves the stage relative to the stage base. The reaction mass assembly reduces the reaction forces created by the stage mover assembly that are transferred to the stage base. The reaction mover assembly adjusts the position of the reaction mass assembly relative to the stage base. The control system controls and directs current to the reaction mover assembly in a way that minimizes the influence of disturbances created by the reaction mover assembly on the stage assembly. The timing and / or the amount of current from the control system directed to the reaction mover assembly is varied to minimize the influence of the disturbances created by the reaction mover assembly on the stage assembly.

A stage assembly for moving and positioning a device is provided herein. The stage assembly includes a stage base, a stage, a stage mover assembly, a reaction mass assembly, a reaction mover assembly, and a control system. The stage mover assembly moves the stage relative to the stage base. The reaction mass assembly reduces the reaction forces created by the stage mover assembly that are transferred to the stage base. The reaction mover assembly adjusts the position of the reaction mass assembly relative to the stage base. Uniquely, the control system controls and directs current to the reaction mover assembly in a way that minimizes the influence of disturbances created by the reaction mover assembly on the stage assembly. More specifically, the timing and / or the amount of current from the control system directed to the reaction mover assembly is varied to minimize the influence of the disturbances created by the reaction mover assembly on the stage assembly. With this design, the reaction mover assembly has less influence upon the position of the stage base. This allows for more accurate positioning of the device by the stage assembly and better performance of the stage assembly.

The invention discloses an all-dimensional mobile robot applied to an intelligent warehouse. A movable platform, a traction mechanism, an ultrasonic obstacle avoidance system, a visual module and a remote maintenance module are included; an auxiliary positioning mechanism matched with the mobile robot is further included, it is achieved that the robot automatically carries a goods shelf to a target area in a traction mode, and the work state and the warehousing environment of the robot are monitored; and the robot can be managed and maintained through a network. Besides, the all-dimensional mobile robot applied to the intelligent warehouse is designed into the Mecanum wheel type movable platform, can move all dimensionally and is high in flexibility.

A technique of improving usability of imaging apparatus that can output an image taken by an imaging device for imaging an object to an external display device is disclosed. The imaging apparatus 100 includes a main body 110 and a lid body 112 that serves as a leg for supporting the main body 110, and further includes electronics devices such as a controller 200 within the main body 110. The lid body 112 is rotatably engaged with one end of the main body 110, and may take the first attitude where the lid body 112 overlaps the main body 110 and the second attitude where the lid body 112 and the main body 110 make a V-shape with one end of the lid body 112 separated from the main body 110. The lid body 112 in the second attitude supports the main body 110 that is tilted from the top surface of the object supporter such as desktop to form the straddle region MR where the main body 110 and lid body 112 straddle the object on the desktop. The imaging apparatus 100 directs its imaging unit 130 toward the object H with straddling the object H located on the straddle region MR.

A foldable agricultural mower for preferable forward mounting on a tractor, the mower having a central cutterbar and at least one foldable wing cutterbar disposed on a first end of the central cutterbar. The foldable wing cutterbar is movable from an operable position that is generally in line with the central cutterbar to a folded position that is generally parallel to and spaced above the central cutterbar. A second wing cutterbar may be provided on the opposite end of the central cutterbar and similarly moveable between an operable position that is generally in line with the central cutterbar and a folded position that is generally parallel to and spaced above the central cutterbar, the second cutterbar being disposed above the first cutterbar when both are in the folded position.

The invention relates to a quick-cleaning multi-stage automatic parts assembly machine for motor rotor shafts, comprising a work tabletop; a feeding unit, a first processing base, a second processing base and a discharging unit are arranged sequentially on the work tabletop; the work tabletop is provided with an assembly unit on the lateral side of the first and second processing bases, a front conveyer for changing the position of a motor rotor shaft in sequence is arranged between the feeding unit and the first processing base, and a cleaning mechanism is arranged on the work tabletop. The quick-cleaning multi-stage automatic parts assembly machine for motor rotor shafts according to the above scheme can keep the tabletop clean.

The invention relates to an automatic assembly machine for multi-level parts of a motor rotor shaft. The automatic assembly machine comprises a working table, wherein a feeding device, a first processing base, a second processing base and a discharge device are sequentially arranged on the working table; positions, on the side surface of the first processing base and the side surface of the second processing base, of the working table are provided with assembly devices; front transportation devices for sequentially switching a position of the motor rotor shaft are arranged between the feeding device and the first processing base; and rear transportation devices for sequentially switching the position of the motor rotor shaft are arranged among the first processing base, the second processing base and the discharge device. With the adoption of the scheme, the invention provides the automatic assembly line for the multi-level parts of the motor rotor shaft, and the automatic assembly line is high in processing efficiency and is good in processing accuracy.

The invention discloses a top entry type polar coordinate adjusting device used for a desorption atmospheric pressure chemical ionization source. The adjusting device comprises an installation connector, a Y-direction horizontal-movement adjusting module, a Z-direction horizontal-movement adjusting module, an A-axis angle adjusting module, an ion source nozzle, an integrated connector, a sample introduction Z-direction automatic adjusting module, a sample introduction X-direction automatic feeding module and a sample introduction Y-direction manual adjusting module. The adjusting device can accurately and quantitatively adjust the angle alpha between the ion source nozzle and a mass spectrometer sample inlet, the Z-direction distance a1 between the ion source nozzle and the mass spectrometer sample inlet, the Y-direction distance b1 between the ion source nozzle and the mass spectrometer sample inlet, the Z-direction distance a2 between a sample table and the mass spectrometer sample inlet and the Y-direction distance b2 between the sample table and the mass spectrometer sample inlet. The adjusting device is applicable to researching and optimal configuration of the relation between the signal intensity and space position parameters among the ion source nozzle, the sample table and the mass spectrometer sample inlet, and is particularly applicable to rapidly detecting solid samples in batch and carrying out imaging mass spectrometry on continuously-distributed samples.

A hammer has a head connected to a lightweight handle with a center of gravity that is proximate to the head of the hammer and separated from the base of the handle by 85%-95% of the total hammer length, measured from the base of the handle to the top side of the head. The handle weight is between 10%-20%. Accordingly, the lighter handle allows the center of gravity of the hammer to be within 85%-95% of the total hammer length from the base of the handle while maintaining a comfortable head weight between 14 oz. and 25 oz. The hammer also has inflection point proximate to the base of the handle providing multiple gripping sections to allow a user to grip the handle in different locations and at different gripping angles that move relative to the longitudinal axis of the hammer.

The invention relates to a blueberry picking and sorting apparatus and a working method, and belongs to the technical field of planting machinery and equipment. The blueberry picking and sorting apparatus and the working method are in particular applicable to picking and preliminary sorting of dwarf blueberries in mountains. The apparatus includes a bottom frame and a machine frame arranged on thebottom frame. The machine frame is equipped with a picking device and a sorting device. The picking device is used for picking fruits. A collection bin is arranged on the bottom frame. The picked fruits are placed in the collection bin, and then sent to the sorting device by a conveyor belt for multi-level sorting. With the apparatus of the invention, the efficiency of blueberry picking operationcan be improved, the artificial labor intensity can be reduced, and multiple damage to blueberry vines can be reduced.

The invention provides a CT (Computed Tomography) guided assistant positioning puncture device. The CT guided assistant positioning puncture device comprises a C-shaped support working arm, a C-shapedsupport connecting rod, a C-shaped support standby arm, an assistant positioning device, an assistant positioning camera, a puncture terminal, an angle adjusting device, an image processing and display system, a control system, a dedicated trolley and a dedicated correction device, wherein the C-shaped support working arm and the C-shaped support standby arm are connected to form a C-shaped support; a track sliding block is arranged in a track under the C-shaped support; the track sliding block is connected with the angle adjusting device; the other end of the angle adjusting device is connected with the puncture terminal; puncture operation is executed by the puncture terminal; the assistant positioning camera is arranged on a ceiling right above a CT bed and is used for assistant positioning on a puncture zone by combining the assistant positioning device. The CT guided assistant positioning puncture device provided by the invention is high in positioning accuracy and good in puncture accuracy, the puncture operation can be automatically completed under the control of the control system, error caused by human factors can be reduced, and the safety is increased.

The invention relates to an automatic motor rotor shaft multi-level component assembling machine capable of achieving accurate machining. The automatic motor rotor shaft multi-level component assembling machine comprises a worktable top. The worktable top is sequentially provided with a feeding device, a first machining base, a second machining base and a discharging device. The part, located on the side faces of the first machining base and the second machining base, of the worktable top is provided with assembling devices. A front conveying device for sequentially switching the positions of motor rotor shafts is arranged between the feeding device and the first machining base. A rear conveying device for sequentially switching the positions of the motor rotor shafts is arranged among the first machining base, the second machining base and the discharging device. Containing grooves are provided with micro moving induction switches, and when the micro moving induction switches corresponding to the assembling devices are extruded, assembling air cylinders are electrified, and the micro moving induction switches are arranged in the containing grooves. By the adoption of the above scheme, the automatic motor rotor shaft multi-level component assembling machine capable of protecting the assembling devices and achieving accurate machining is provided.

The invention discloses a high-speed hydraulic drill with two engines. The high-speed hydraulic drill comprises a vehicle body and a drill arm assembly, wherein two engines are installed on the vehicle body, the vehicle body is installed on a chassis, and a left crawler unit and a right crawler unit are arranged on the chassis side by side; and a direct-acting arm assembly is arranged at the front part of the vehicle body, is connected with the drill arm assembly, and can drive the drill arm assembly to swing left and right, swing back and forth or move up and down. According to the drill arm assembly, a plurality of drill rods can be effectively connected through coordination of a drill pipe storage mechanism, a drill rod gripping manipulator and a disconnection rod device, thereby prolonging the total length of the drill rod; and a drill arm assembly feeding mechanism adopts a wire rope structure, and the wire rope is strong in impact resistance, convenient to replace and maintain and low in cost. A drill stand adopts an integral structure and is made of aluminum alloy, so that the weight of the high-speed hydraulic drill can be greatly reduced, the energy consumption of the entire vehicle can be effectively reduced, and the center of gravity of the entire vehicle can be prevented from facing forwards.

The invention discloses a computer hardware storage rack with a dehumidification function. The computer hardware storage rack comprises a box body frame, dehumidification bags, a draught fan and partition plates. The dehumidification bags are installed on the inner wall of the box body frame at equal intervals. The partition plates are movably installed on the inner wall of the box body frame. Thedraught fan is fixedly installed on the outer wall of the box body frame. A lifting device which rotates to drive lifting is fixedly installed at the position, corresponding to the partition plates,of the inner wall of the box frame. A limiting mechanism which manually limits rotation to drive clamping is fixedly installed on the inner wall of the partition plates. According to the computer hardware storage rack with the dehumidification function, computer hardware on the upper surface of the high-layer partition plate is clamped and limited through the limiting mechanism, the computer hardware placed on the high-layer partition plate is flexibly placed and taken through the lifting device, the damp-proof and dust-proof effects of the storage rack are improved, and the storage rack is convenient for a user to use.

The invention discloses a notebook computer extension base with a sliding closure structure, which is used for the extension for multiple notebook computers. Each notebook computer is provided with an extension joint and a block connection specification. The extension base comprises a base and a sliding closure. The base is provided with an extension component and an extension slot which are electrically connected. The extension component and the extension slot are mutually butted, so the extension component and the notebook computer form a mutual electrical connection and the object that the extension component is extended to the notebook computer is achieved. The sliding closure is arranged on the base in sliding method and is corresponding to a block connection reference. The distance between the sliding closure and the extension slot is adjusted through the slippage of the sliding closure to adapt different block connection specifications.

The invention discloses a movable emergency direct current power cabinet, wherein a power cabinet body comprises a charging and feeding cabinet and a battery cabinet, vertical columns are arranged at four corners of the cabinet body, the charging and feeding cabinet is electrically connected with the battery cabinet, and multiple layers of battery devices are arranged in the battery cabinet. Each battery device comprises a battery supporting plate and battery installation grooves distributed in the battery supporting plate fixedly in a matrix mode. Supporting columns are arranged among adjacent vertical columns, and a movable device is arranged at the lower portion of the cabinet body. A hoisting ring is arranged at the top of the cabinet body, so that hoisting during transportation of the direct current power cabinet is facilitated. The movable device is arranged at the bottom of the cabinet body and replaces universal wheels directly arranged at the bottom of the power cabinet, therefore, unreliable rolling and easy damage caused by too-small wheels are avoided, and unsteady gravity of the cabinet body caused by too-large wheels is avoided. The battery supporting plate is reinforced by the supporting columns, and gravitational deformation possibly occurring during usage of the power cabinet is avoided.

The invention relates to a turnable lifting pen holder, in particular to a turnable lifting pen holder convenient for taking and putting short pens. The pen holder comprises a base, a holder body, a base plate and a screw rod, wherein a cylinder protruding upwards is arranged in the center of the base; a handle is arranged on the side surface of the cylinder; the cylinder is movably connected with the base; external threads are formed in the cylinder; the screw rod is fixedly installed on the cylinder and is vertically upward; the base plate is positioned at the lower part of the interior of the holder body; a screw hole matched with the screw rod is formed in the center of the base plate; the base plate can longitudinally move along the screw rod; internal threads matched with the cylinder are formed in the bottom of the holder body; the holder body is connected with the cylinder through threads; the diameter of the holder body is smaller than that of the base. The turnable lifting pen holder has the benefits of being simple in structure and convenient in operation, facilitating taking and putting of pens of various lengths, and being high in stability.

The invention discloses a tire clamping mechanism for a land leveller. The tire clamping mechanism comprises a supporting cylinder body, a connecting rod and a limiting structure. A baffle is installed in the supporting cylinder body and fixedly provided with a motor. The output end of the motor is connected with a rotating plate after penetrating through the baffle. A plurality of horizontal grooves are uniformly formed in the other end of the supporting cylinder body, and clamping claws are arranged in the horizontal grooves in a sliding mode. One end of the connecting rod is hinged to the bottom of the rotating plate, and the other end of the connecting rod is hinged to the end portions of the clamping claws. Rectangular blind holes are formed in the inner walls of the horizontal grooves, and a plurality of idler wheels are installed in the rectangular blind holes. The limiting structure is arranged on the baffle. The idler wheels in the horizontal grooves can change sliding friction between the clamping claws and the groove walls into rolling friction, loss between the horizontal grooves and the clamping claws can be reduced, and the moving speed of the clamping claws can be increased. In the rotating process, the motor rotates horizontally at a constant oscillation angle, and therefore the clamping claws can move in the horizontal grooves fast.

A lock-up device for a torque converter includes an output rotary member rotatable with respect to an input rotary member. A plurality of large coil springs are disposed in radially outer positions so as to be aligned in a circumferential direction, the large coil springs separately compressed in a rotational direction by relative rotation between the input rotary member and the output rotary member. A plurality of small coil springs are set to have a free length shorter than a free length of the large coil springs, the small coil springs separately disposed in inner peripheral parts of the large coil springs so as to be movable therein. The respective coil springs are compressed in a sequential order of the plural large coil springs and then at least any one of the plural small coil springs by the relative rotation between the input rotary member and the output rotary member.

A riding mower having left and right driving rear wheels independently drivable forward and backward and a pair of left and right steerable front wheels is provided with a support device capable of being mounted with a cylindrical gas cylinder in a horizontal position on an external side of a rollover projection frame. The support device is provided such that the mounted gas cylinder is positioned along front and rear of the rollover protection frame and is mounted in a tilted state in which the central axis of the cylindrical gas cylinder is closer to a central side in a lateral direction of a vehicle body toward a rear side from a plan view.

The invention relates to a multifunctional electrically-propelled wheelchair capable of going up and down stairs for medical rehabilitation. The multifunctional electrically-propelled wheelchair comprises first wheels and transverse support rods. Vertical support rods are mounted at the upper ends of the first wheels. A backrest is fixed to the right sides of the upper ends of the vertical supportrods. Armrests are connected to the middles of the right sides of the vertical support rods. Push handles are fixed to the upper ends of the left sides of the vertical support rods. The transverse support rods are embedded to the right sides of the vertical support rods. A cushion is arranged at the upper ends of the transverse support rods. The multifunctional electrically-propelled wheelchair has the advantages that the corresponding three first wheels are in triangular arrangement and are connected with connection rods; when the wheelchair goes up and down stairs or goes into pit holes, the first wheel at the top can contact with the upmost end of a step, the two first wheels at the bottom end support the first wheel at the upper end and the wheelchair, and sequential circulation is conducted; the outer sides of the first wheels are protruded to contact with the ground, frictional force between the first wheels and the ground is increased, and slipping of the first wheels is prevented.

The invention provides a cam hoisting mechanism. The cam hoisting mechanism is used for controlling the hoisting of an object (9) and comprises a rack (1), an eccentric wheel (2), a locking pin (3), an elastic push pin (4) and a limiting column (5), wherein the eccentric wheel (2) is totally in a circular shape and is eccentrically provided with a driving rotating shaft (21); when the circle center of the circular shape is located above the driving rotating shaft (21) and a vertical relation is formed between the circular shape and the driving rotating shaft (21), the eccentric wheel (2) lifts the object (9) to a high position; a locking hole (23) which is concave inwards in the radial direction is further formed in the circumference of the eccentric wheel (2) and is matched with the upper end of the locking pin (3); and when the eccentric wheel (2) lifts the object (9) to the high position, the locking hole (23) is formed under the driving rotating shaft (21) and a vertical relation is formed between the locking hole (23) and the driving rotating shaft (21).

A foldable agricultural mower for preferable forward mounting on a tractor, the mower having a central cutterbar and at least one foldable wing cutterbar disposed on a first end of the central cutterbar. The foldable wing cutterbar is movable from an operable position that is generally in line with the central cutterbar to a folded position that is generally parallel to and spaced above the central cutterbar. A second wing cutterbar may be provided on the opposite end of the central cutterbar and similarly moveable between an operable position that is generally in line with the central cutterbar and a folded position that is generally parallel to and spaced above the central cutterbar, the second cutterbar being disposed above the first cutterbar when both are in the folded position.

The invention relates to an automatic assembling machine with product protection for the multiple components of a motor rotor spindle. The automatic assembling machine comprises a work mesa which is provided with a feeding device, a first processing base, a second processing base and a discharge device in turn. The side of the work mesa, located in the first processing base and the second processing base, are provided with an assembling device. A pro-transporter for switching a location of the motor rotor spindle in turn is arranged between the feeding device and the first processing base. A post- transporter for switching a location of the motor rotor spindle in turn is arranged among the first processing base, the second processing base and the discharge device. Each motor rotor spindle holder is provided with a first electromagnet with same distance, and each inside of a placed groove is provided with a second electromagnet. According to the above scheme, the automatic assembling machine with product protection for the multiple components of the motor rotor spindle is provided, which can avoid the product dropping out in a transit.

The invention relates to the field of the manufacturing method of titanium alloy or metallic titanium golf heads. The invention adopts the following technical scheme: three-piece titanium alloy or metallic titanium blank, such as an upper cover, a lower bottom, a striking face with a tube head and the like are mutually welded to manufacture a golf head; the specific manufacturing process is as follows: a computer 3D design, molding and intelligent control technology are used to simulate and delineate golf heads and manufacture the mould of the three-piece blank; the three-piece blank is refinedly forged with different-weight forging technology; an argon welder is automatically controlled by a computer to realize automatic welding shaping of the three-piece blank, so that the golf head is manufactured. The invention solves the problems of low precision, low yield and the like of the traditional golf head production method, realizes the industrial production of golf heads, and satisfies the production and utilization requirements of high-quality golf heads at present.

The invention relates to a robot capable of crossing obstacles and an obstacle crossing method of the robot capable of crossing the obstacles, and relates to the technical field of robots. The robot capable of crossing the obstacles comprises a vehicle body, \supporting assemblies and first walking wheels; the number of the supporting assemblies is at least three, the multiple supporting assemblies are all installed on the vehicle body and arranged in the advancing direction of the vehicle body at intervals, and the first walking wheels are installed at the driving ends of the supporting assemblies. The at least two sets of supporting assemblies can drive the corresponding first walking wheels to be away from the vehicle body to lift the vehicle body, and the other supporting assemblies can drive the corresponding first walking wheels to get close to the vehicle body to cross obstacles. The technical problem that normal work is affected due to the fact that a robot in the prior art cannot move easily when encountering obstacles is solved.

The invention relates to the technical field of cooking utensils, in particular to an automatic cooker, aiming at effectively mitigating the problems that a common cooker results in high noise and severe vibration during cooking, and the gravity center of the cooker is instable when cooked vegetables are poured from a pot into a dish. The automatic cooker comprises a mounting frame, the pot for cooking vegetables, a motor, an engaging-disengaging transmission device, a pot shaking and cooked vegetable pouring device, a pot stir-frying device and a pot inverting device, wherein the motor is mounted on the mounting frame and used for driving the pot shaking and cooked vegetable pouring device, the pot shaking and cooked vegetable pouring device drives the pot stir-frying device to move through the engaging-disengaging transmission device and also drives the pot to swing in a stereoscopic space and pour out the cooked vegetables, the engaging-disengaging transmission device is capable of selectively driving or stopping driving the pot stir-frying device through powering on or off, the pot stir-frying device is used for driving the pot to move on a planar space so as to stir-fry food in the pot, and the pot inverting device is used for providing a placement position and limiting when the cooked vegetables are poured out of the pot so as to prevent the pot from toppling over.

The invention discloses a lifting rotating device for vehicle storing and fetching of a three-dimensional garage. The lifting rotating device comprises a base, a lifting frame, a supporting carrier plate, a rotating carrier plate and an extensible bridging carrier plate, the lifting frame is fixed on the base, the supporting carrier plate is arranged above the base and fixedly connected with the lifting frame, the rotating carrier plate is arranged above the supporting carrier plate, and the extensible bridging carrier plate is arranged between the supporting carrier plate and the rotating carrier plate. During vehicle storing and fetching, the extensible bridging carrier plate extends out to be connected on a parking platform of the three-dimensional garage in an overlapped manner, and the rotating carrier plate rotates onto the extensible bridging carrier plate and corresponds to the parking platform. The lifting rotating device can be used for the three-dimensional garages different in building style, quick vehicle storing and fetching can be realized, and the problem that a vehicle storing and collecting system is only suitable for annular multilayer three-dimensional garages in the prior art is solved.

The invention discloses a middle driving mechanism, which comprises a shell, a motor, a transmission mechanism and a middle shaft, wherein the shell is connected to a bicycle frame; the motor is arranged in the shell; the transmission mechanism is connected to the motor; the middle shaft is arranged in the shell and is used for being connected to a bicycle treading crank; the axis of the motor is perpendicular to the middle shaft; and the axis of the motor is located in a vertical plane where the axis of the bicycle frame is located after the assembly is completed. The center of gravity of the motor and the center of gravity of the bicycle frame fall on respective axes respectively, and the axis of the motor is located in the vertical plane where the axis of the bicycle frame is located, so that the center of gravity of the middle driving mechanism and the center of gravity of the bicycle frame are located in the same vertical plane, the problems that the center of gravity of the whole bicycle is unstable due to the fact that the center of gravity is biased, the center of gravity is difficult to control and the rollover is easily generated due to the unstable center of gravity and the like are avoided, the stability of a power-assisted bicycle is improved, and the user experience is improved. In addition, the invention further provides the power-assisted bicycle comprising the middle driving mechanism.