71results about How to "Optimize workspace" patented technology

A mechanical interface for providing high bandwidth and low noise mechanical input and output for computer systems. A gimbal mechanism includes multiple members that are pivotably coupled to each other to provide two revolute degrees of freedom to a user manipulatable about a pivot point located remotely from the members at about an intersection of the axes of rotation of the members. A linear axis member, coupled to the user object, is coupled to at least one of the members, extends through the remote pivot point and is movable in the two rotary degrees of freedom and a third linear degree of freedom. Transducers associated with the provided degrees of freedom include sensors and actuators and provide an electromechanical interface between the object and a computer. Capstan band drive mechanisms transmit forces between the transducers and the object and include a capstan and flat bands, where the flat bands transmit motion and force between the capstan and interface members. Applications include simulations of medical procedures, e.g. epidural anesthesia, where the user object is a needle or other medical instrument, or other types of simulations or games.

The invention provides a quantitative powder mixing machine, comprising a support and a feed hopper, wherein a first pipeline communicated with the feed hopper joins a second pipeline; the other end of the second pipeline is placed above and communicated with a mixing barrel; the inner surface of the bottom of the mixing barrel is rotatably connected with a discharging plate; the discharging plate is provided with discharging holes; the bottom of the mixing barrel is also provided with a discharging hole corresponding to the discharging plate; a stirring device is arranged in the mixing barrel; the first pipeline is provided with a section of an elastic pipe; and an adjusting device is arranged on the elastic pipe and comprises a clamp and an adjusting rod passing through and slidably connected with the clamp. The quantitative powder mixing machine realizes automatic proportioning and mixing of a plurality of materials and quantitative discharging through adjustment of the feed amounts of a plurality of feed inlets, reduces operation steps, lowers dust concentration during mixing, improves production efficiency and decreases cost.

The invention provides a novel hybrid power coupling mechanism and a motor vehicle. The novel hybrid power coupling mechanism comprises a fuel driving mechanism, a single-planet-row gear mechanism, aclutch, an intermediate connecting shaft structure, a composite-planet-row gear mechanism, a first electric driving mechanism, a second electric driving mechanism and a power output mechanism, whereinthe fuel driving mechanism, the first electric driving mechanism and the second electric driving mechanism are connected for output through the single-planet-row gear mechanism and the composite-planet-row gear mechanism; and finally power output is implemented by the power output mechanism. By the novel hybrid power coupling mechanism and the motor vehicle, various power driving modes and outputspeed ratios can be provided according to actual conditions, the integral system efficiency can be high, the structure can further be simplified, and requirements to the motor are reduced.

The invention discloses a human-machine cooperation oriented bionic lightweight mechanical arm comprising a first machine arm, a second machine arm, a wrist joint, an elbow joint and a shoulder joint.The first machine arm is arranged between the shoulder joint and the elbow joint, the second machine arm is arranged between the elbow joint and the wrist joint, the wrist joint is a three-degree-of-freedom motion pair, the wrist joint includes a two-degree-of-freedom parallel mechanism connected with a single-degree-of-freedom Hook hinge mechanism in series, the elbow joint is a single-degree-of-freedom rotational joint, and the shoulder joint is a three-degree-of-freedom parallel ball joint mechanism; and the mechanical arm further comprises an elbow joint drive motor and three wrist jointdrive motors, and the elbow joint drive motor arranged at the end, close to the shoulder joint, of the second machine arm and the wrist joint drive motors control the elbow joint and the wrist joint through rope drive transmission. By means of the mechanical arm, the collision inertia is reduced, and therefore the safety of human-computer interaction is improved.

The invention provides a twin-arch tunnel middle pilot tunnel vault backfilling construction method. The method comprises the following steps that a middle pilot tunnel is excavated, and a support is constructed; after the middle pilot tunnel is excavated and the support extends forwards by a certain distance, a left pilot tunnel is excavated, and a support is constructed; after the middle pilot tunnel is excavated to a certain depth, a middle partition wall is poured; an in-the-hole drill is arranged in position, drill holes are formed, and the drill holes are led to a middle pilot tunnel vault space in the top of the middle partition wall from the left pilot tunnel or a right pilot tunnel; a conveying pipe is installed in the drill holes so that sprayed concrete can enter the middle pilot tunnel vault space in the top of the middle partition wall; twin-arch tunnel middle pilot tunnel vault backfilling construction is achieved. Backfilling of the middle pilot tunnel vault is conducted in the manner that upper steps of the left pilot tunnel are drilled to form the holes. The technical problem that under the working condition that pouring of the middle partition wall is conducted in two directions, the middle pilot tunnel vault can not be backfilled is solved, middle pilot tunnel vault backfilling and middle partition wall pouring are conducted at the same time, and the effective working time is shortened greatly.

The invention belongs to the field of manufacturing of solar batteries, and particularly relates to an automatic graphite boat sticking point exchanging machine die. The automatic graphite boat sticking point exchanging machine die comprises an upper die assembly, a middle die assembly and a lower die assembly, when the automatic graphite boat sticking point exchanging machine die is used, a graphite boat of which sticking points need exchanging is placed in a graphite boat carrying platform in the middle die assembly, old sticking points are unloaded by the upper die assembly through utilizing upper die point unloading columns on the upper die assembly, then the middle die assembly is subjected to displacement to a point loading position, and the lower die assembly is also lifted and is subjected to displacement to the point loading position at the same time; new sticking points are mounted on the graphite boat through a point loading machine; the lower die assembly is used for achieving the effects of supporting and positioning in the course of loading the sticking points. The automatic graphite boat sticking point exchanging machine die disclosed by the invention is high in automation degree, easy and simple to operate, high in working efficiency and exchanging quality, and free from damaging the sticking points; the qualified rate of products is increased, the labor intensity of operators is alleviated, the working space and working environment are improved, and the application prospect is wide.

The invention discloses a sewing machine for clothes processing. The sewing machine for clothes processing comprises support legs, a table surface, a rack, a top plate, a machine head, a working table, a goose neck tube, a fan, a lighting lamp, a cup holder, a dust collection hopper, a dust collection pump, a channel, a collection box and a drawer, wherein four support legs are uniformly arranged at the lower part of the table surface; the rack is fixedly and vertically arranged on the left side of the upper part of the table surface; the top plate is fixedly horizontally arranged at the upper end of the rack; the machine head is fixedly arranged at the lower part of the top plate; the working table is fixedly and horizontally arranged at the upper end of the rack; the machine head is fixedly arranged below the top plate; the working table which is fixedly mounted on the table surface is arranged right below the machine head; the fan is connected below the top plate and positioned on the left side of the machine head through the goose neck tube; the lighting lamp is arranged at the right side part of the rack. Compared with the prior art, the working performance of the sewing machine is improved, the adaptability of the sewing machine is improved, functions of the sewing machine are enriched, the working intensity of operators is alleviated, and great convenience is brought to clothes processing.

The invention belongs to the field of new energy vehicles, and relates to a power split hybrid power coupling system and a vehicle. The power split hybrid power coupling system comprises an engine, agenerator, a driving motor, a second clutch, a third clutch, a shifter, a planet row, a first input shaft, an intermediate shaft, a first reduction gear pair and a second reduction gear pair, whereinthe first reduction gear pair and a second reduction gear pair are different in speed ratio; the is connected with a first input shaft; the first input shaft is connected with the intermediate shaft through the shifter and the second reduction gear pair; an output shaft of the generator is rotatably arranged on the first input shaft in a sleeving mode; a sun gear of the planet row is arranged on the output shaft of the generator; a planet carrier is connected with the first input shaft; and an inner gear ring is connected with the generator through the second clutch; the inner gear ring is also connected with the intermediate shaft through a third clutch and the first reduction gear pair; the driving motor is connected with the intermediate shaft, and the intermediate shaft outputs power to wheels. The hybrid power system facilitates reduction of system load, can realize multiple driving modes, is adjustable in speed ratio, has higher transmission efficiency, and improves the power performance and economy of the whole vehicle.

The invention discloses a parallel mechanism with 2R1T and 2T1R motion bifurcation characteristics, and relates to the technical field of mechanisms and robots. The parallel mechanism comprises a fixed platform, a movable platform, two first branch chains, a second branch chain and a third branch chain. The two sides of the fixed platform are connected with the bottom ends of the first branch chains correspondingly, and the two sides of the movable platform are connected with the top ends of the first branch chains correspondingly. One end of the fixed platform is connected with the bottom end of the second branch chain, and one end of the movable platform is connected with the top end of the second branch chain. The other end of the fixed platform is connected with the bottom end of the third branch chain, and the other end of the movable platform is connected with the top end of the third branch chain. The parallel mechanism has two different motion modes, and has the advantages of being large in rotation angle, large in bearing capacity, high in rigidity, large in working space, good in dynamic performance, simple in structure, easy to control and the like; and different operation task requirements are met, and the fixed freedom degree and the single motion mode of a traditional parallel robot are overcome.

The machine has machine carriages (30) moved over rear and front needle beds (4, 5) for controlling needle movements. An illumination device (33) is adjustably arranged at the carriages for illuminating a knitting chamber below the carriages. The illumination device is switched manually and/or by a machine controller and/or a knitting program. The illumination device comprises sealing strips. The illumination device is arranged at the carriages over the rear and front needle beds. The illumination device is provided with LEDs as lights.

The invention discloses a hybrid power coupling system and a vehicle. The system comprises an engine, a generator, a driving motor, a first planet row, a second planet row, a brake, a first clutch, asecond clutch, an input shaft and an intermediate shaft for outputting power to wheels, wherein the first planet row comprises a first sun gear, a first planet carrier and a first gear ring, and the second planet row comprises a second sun gear, a second planet carrier connected with the first gear ring and a second gear ring connected with the first planet carrier; the engine is connected with the input shaft; the input shaft is connected with a first sun gear and a second planet carrier through the first clutch and the second clutch respectively; the brake is used for braking the first sun gear, and the first planet carrier is meshed with a first gear arranged on the intermediate shaft; the generator is connected with the second sun gear or the input shaft; and the driving motor is connected with the intermediate shaft. The system load is facilitated to be reduced, multiple driving modes can be achieved, higher transmission efficiency is achieved, and the power performance and economy of the whole vehicle are improved.

The invention relates to a multivariable torque optimization control distribution method for an engine and a motor of a hybrid electric vehicle. The method comprises the following steps of: training a neural network by using actually measured engine torque and rotating speed and an equal fuel consumption value as a training set, and exporting the trained neural network when the training is finished and a training result meets a precision requirement; introducing the trained neural network in a torque division control algorithm, taking the whole vehicle working condition parameters as input, calculating an equal fuel consumption value of the engine in real time, and converting instantaneous power values of the engine and the motor into instantaneous fuel consumption; and taking the torque of the engine and the motor corresponding to the minimum instantaneous oil consumption as the optimal torque value at the moment, and outputting the optimal torque value to an engine controller and a motor controller. According to the method, the torque of the engine is not limited to three areas divided by the SOC any more, the oil consumption is calculated point by point while the external required torque of the whole vehicle is met, finally, the engine torque and the motor torque corresponding to the minimum oil consumption value are output, the working interval of the engine is optimized, and the fuel economy of the whole vehicle is further improved.

The invention relates to the technical field of bridge frame changing, and particularly relates to a beam changing method with a foldable beam changing machine. The method comprises the steps that 1,a first beam conveying special train, a guide beam with a lifting function and a second beam conveying special train enter an area in sequence, a containing part is arranged on the guide beam, and a lifting hydraulic rod is hinged into the containing part; 2, the lifting hydraulic rod is controlled to extend so as to jack the guide beam; 3, the lifting hydraulic rod is controlled to contract, andthe lifting hydraulic rod is stored in the containing part again; 4, an old beam is hoisted to the first beam conveying special train by utilizing a pair of beam hoisting trolleys matched with two beam carrying trolleys on the first beam conveying special train; and 5, the pair of two beam hoisting trolleys is used for being matched with the two beam carrying trolleys on the second beam conveyingspecial train to lift a new beam to a to-be-replaced frame hole position. Rapid switching of the working states of the guide beam can be achieved through the lifting hydraulic rod and the containing part so that the construction efficiency is effectively improved, and the investment of mechanical equipment is effectively reduced.

The invention discloses a power shunting hybrid power coupling mechanism and a control method thereof. The coupling mechanism comprises an engine, a motor, a compound planetary gear mechanism, clutches and a shaft gear system; the compound planetary gear mechanism is a double-row compound planetary mechanism, wherein a first planetary carrier is connected with a second inner gear ring, and a firstinner gear ring is connected with a second planet carrier; and the motor is connected with a second sun gear. According to the power shunting hybrid power coupling mechanism, a pure electric power mode, two hybrid power modes and three power shunting modes can be arranged, the mode can be switched through opening and closing between the clutches and the operation of a brake, so that the power efficiency can be effectively improved, and the economy is improved; and the engine and the motor of the whole mechanism are connected through the planetary gear, so that the adjustable range of the speed ratio is wide, the size of the motor can be reduced, and the operating range of the engine can be optimized.

The invention discloses a pivot-adjustable gear-and-rack rock-loading bucket traction mechanism, and belongs to the field of loading and transport machines for mine roadways. The mechanism mainly comprises a framework, a bucket system, a basket system, an adjustable traction system and a storage bin. The mechanism integrates the functions of loading, transport and unloading, and the basket systemis driven by a chain to enable the bucket system to work; the adjustable traction system makes a chain wheel supporting arm stretch out and draw back under rack-and-gear transmission, and the length for which the chain wheel supporting arm stretches out and draws back is coupled with the motion of a bucket. The mechanism optimizes the working space of all the systems and integrates the functions of loading, transport and unloading; the motions of the mechanism do not mutually interfere on the premise that the occupied space is small, therefore, the mechanism can work with high efficiency in anadit with a narrow space, the technological dependence on workers is reduced, and the gangue collecting work is safer and more reliable.

The embodiment of the invention provides a double rotary device for vehicle-mounted aerial work platform, and relates to the technical field of rotary driving. The double rotary device comprises a double rotary body, a first transmission device and a second transmission device, wherein a first end of the double rotary body is rotatably connected with a base, and a second end of the double rotary body is rotatably connected with a working upper tool; the first transmission device is connected with the double rotary body and used for driving the double rotary body to rotate relative to the base;and the second transmission device is connected with the working upper tool and used for driving the working upper tool to rotate relative to the double rotary body. A double rotary structure is adopted, and the problem that an existing vehicle-mounted aerial vehicle cannot work in an extremely narrow working space is solved.

The invention discloses a fabric presser for textile machines, which comprises a body, an upper press roller and a lower press roller are arranged inside the body, a servo motor is mounted on one sideof the internal wall of the body, the output end of the servo motor is transmissively connected to one end of the upper press roller, the other end of the upper press roller is fixedly connected to the internal side of a first bearing block, both sides of the bottom of the internal wall of the body are provided with recesses, electric telescopic rods are mounted in the two recesses, the retractable ends of the two electric telescopic rods are respectively fixedly connected to the external walls of two second bearing blocks, and a dust collector is arranged on the bottom of the body. Accordingto the solution, by arranging the electric telescopic rods, the upper press roller and the lower press roller, corresponding adjustment can be conveniently carried out according to the thickness of afabric, consequently, the weaving range of the textile machine becomes wider, and the practicability of the textile machine is increased; and the arranged dust collector can clean off dust in the textile machine, thus the working environment of the workshop is guaranteed and creation of a good working space is facilitated.