841 results about "Left–right symmetry" patented technology

The invention discloses an electric shock prevention power supply device in fixed plugging connection, and the device comprises a socket part and a plug part. The internal bottom of the socket part is provided with an accommodation cavity, and the internal top of the accommodation cavity are provided with first slide grooves which are in left-right symmetry. An isolating block which extends downwards is disposed between the two first slide grooves, and the isolating block extends downwards to enter the accommodation cavity. One side, which departs from the isolating block and is located in the socket part, of each slide groove is provided with a first operation cavity, and the first operation cavity of each first operation cavity is provided with a steering shaft. The interior of each first slide groove is provided with a first spiral rod, and each first spiral rod is in threaded connection with a push block. The inner side of each first spiral rod is connected with a drive motor, and each steering shaft is fixedly provided with a first tooth-shaped wheel, wherein the upper end of the first tooth-shaped wheel is connected with a second tooth-shaped wheel. The interior, at the upper end of each first operation cavity, of the socket part is provided with a second operation cavity, and the inner side of each second operation cavity is provided with a second slide groove.

The invention provides a plug device stable in operation. The plug device comprises a frame (8) fixedly provided with an outer shell (9) and two bolts (4) which are fixedly connected with the frame (8) and are arranged in a left-right symmetry mode. The two bolts (4) are used for being inserted into holes in a socket (3) so as to make electric contact with contacts (31) respectively. The frame (8) is further provided with two jacking pillar pieces (7) which are arranged in a left-right symmetry mode and slidably matched with each other. The two jacking pillar pieces (7) are structurally in mirror symmetry, each jacking pillar piece (7) comprises a jacking pillar foot (72) located at the lower end and used for being in joint with the socket (3), a wedge-shaped groove (71) formed in the side face, facing outside, of the corresponding jacking pillar piece (7), an upper stressed protruding plate (76) and a lower stressed protruding plate (75) which are located on the side face, facing inside, of the corresponding jacking pillar piece (7) and a limiting end (77) located at the upper end and used for being in joint with the outer shell (9).

Thermal sensing devices can include two subsets of thermal sensors connected in a bridge by circuitry on the same support layer or surface with the sensors. Each thermal sensor can be formed in a patterned layer of semiconductor material, and the bridge circuitry can include leads formed in a patterned layer of conductive material, over or under the semiconductor layer. In one implementation, the bridge circuitry includes conductive portions that extend across and electrically contact the lower surface of each sensor's semiconductor slab. The bridge circuitry can also include pads that can be electrically contacted, such as by pogo pins. The device's reaction surface can be spaced apart from or over the thermal sensors. The device's components can be shaped and positioned so that the bridge's offset voltage is below the sensitivity level required for an application, such as by left-right symmetry about an axis.

The invention discloses a rust removal device for the outer surface of a pipeline, which comprises a workbench and a base, a number of shock absorbing devices are arranged between the workbench and the base, a pillar is arranged on the upper side of the workbench, and a mounting plate is arranged on the upper end of the pillar. The upper side of the plate is left and right symmetrically provided with a first motor, the output end of the first motor is provided with a first threaded rod, the first threaded rod is threadedly connected with a support plate, and the lower side of the support plate is provided with a mounting seat symmetrically left and right, A second threaded rod is arranged between the two installation seats, a second motor for driving the second threaded rod is installed on the right end of the lower side of the support plate, a slider is threaded on the second threaded rod, and the upper left part of the workbench is set There is a fixed table, the right side of the fixed table is provided with a fixed block, the upper right part of the workbench is provided with a slide rail, the slide rail is provided with a sliding table, and the left side of the slide table is provided with a fixed block. The invention has the advantages of simple structure, convenient use, reduced use cost, good shock absorption effect and reduced dust pollution.

The invention relates to an exoskeleton-type shoulder girdle and upper limb synergistic rehabilitation robot which comprises wheels, an electric appliance cabinet, a displayer, a displayer bracket, a lifting column and an outward extending beam and further comprises an inward and outward rotating mechanism for shoulders, an outward-extending inward-contracting mechanism for the shoulders, a forward-bending rearward-extending mechanism for the shoulders, a length adjusting mechanism for upper arms, an inward and outward rotating mechanism for the upper arms, a bending and stretching mechanism for elbows, an inward and outward rotating mechanism for front arms, a length adjusting mechanism for the front arms, a bending and stretching mechanism for wrists, a grabbing mechanism for hands and a movement-assisting shoulder blade mechanism. The robot implements active or passive rehabilitation aiming at shoulder girdle muscular paralysis and upper limb paralysis and is supportive of conversion between left and right arms. The invention further aims to solve an important problem, namely a problem of discomfort of a patient due to limited movement range caused after conversion between left and right mechanical arms. To this end, a mechanical arm structure is designed to be in complete left-right symmetry along a central axis.

The invention provides a horse-imitating gait planar connection rod type quadruped walking robot. The robot comprises a rack, turning mechanisms, lower bodies and leg mechanisms. The turning mechanisms and the leg mechanisms are arranged at the four corners of the rack and are in left-right symmetry. The turning mechanism mainly consists of a servo motor, a coupling and straight tooth bevel gears, is fixed to the rack and is connected with the lower body through flange structures. The leg mechanism comprises a thigh mechanism and a shank mechanism, and a planar six connection rod mechanism isadopted. The thigh mechanism adopts a crank and rocker mechanism, and the shank mechanism adopts a double-rocker mechanism. The leg mechanism is provided with a damping device. Through a horse-imitating gait, double-leg linkage on the diagonal is achieved, and all-dimensional stable movement of the robot can be achieved. The horse-imitating gait planar connection rod type quadruped walking robotis simple in structure, easy to control and low in cost and has good dynamic walking ability.

The invention relates to packaging equipment, in particular to quantitative fodder packaging equipment for pig fodder production, and aims at achieving the technical purpose of providing the quantitative fodder packaging equipment for pig fodder production, wherein the quantitative fodder packaging equipment is small in error and capable of facilitating packaging. To achieve the above technical purpose, the quantitative fodder packaging equipment for pig fodder production is provided and comprises an installing frame, guiding plates, first springs, a containing frame, a first frame, a guidingrod, hanging rings, a support rod, a second frame, a first sliding rail, a first sliding block and the like. The guiding plates are arranged on the left side of the bottom in the installing frame in aleft-right symmetry manner. Guiding holes are formed in the lower portions of the guiding plates, and the first springs are arranged on the left side of the bottom in the part, between the guiding plates, of the installing frame in a left-right symmetry manner. The top ends of the first springs are connected with the containing frame. The quantitative fodder packaging equipment achieves the effects of small errors and convenient packaging. Through injection of fodder into the first frame, the first frame drives a baffle to move left and right, and accordingly, the packaging amount is controlled.

The invention discloses a vertical take-off and landing aircraft with distributed power unit configuration. The vertical take-off and landing aircraft with the distributed power unit configuration comprises an aircraft body, aircraft wings, an empennage and propellers. The aircraft body is of a semi-monocoque structure, and comprises a nose, a middle fuselage and an aircraft tail. The middle fuselage of the aircraft body is a cargo bay. The aircraft wings are arranged on the two sides of the aircraft body in a left-right symmetry mode. The aircraft wings are of double-beam semi-monocoque structures and connected with the aircraft body through reinforced frames. Auxiliary lifting wings are arranged at the rear edges of the aircraft wings correspondingly. End-plate type winglets are arranged at the wingtips of the aircraft wings correspondingly. According to the vertical take-off and landing aircraft with the distributed power unit configuration, the distributed propelling unit configuration is adopted, so that the aircraft can have a low rotor disk load and the high propelling efficiency during the vertical take-off and landing processes; a combined control mode combining the motor rotating speed/ the propeller pitch with a propeller slip flow rudder is adopted, so that the control efficacy is high; tailless flying wing configuration is adopted for a fixed wing face, the size of the aircraft is decreased, the structure is more compact and easy to detach and maintain, and the wind resistance is good in the vertical take-off and landing stages compared with conventional configuration and a canard configuration.

The invention relates to the technical field of track traffic, and discloses a fabricated connecting structure used for a suspension type monorail traffic track beam and a construction method. The fabricated connecting structure specifically comprises a bottom connecting mechanism, a side connecting mechanism and a supporting mechanism. The side connecting mechanism comprises side connecting plates which are arranged in a left-right symmetry mode. After sections of connecting ends of a front track beam and a rear track beam adjacent to the front track beam are aligned, the side connecting plates are attached to and mounted on the connecting position of webs on the two sides, the webs at the connecting ends of the front and rear track beams are provided with web mounting holes, the side connecting plates are provided with side connecting plate mounting holes corresponding to the web mounting holes, the side connecting plates and the corresponding webs can be connected through bolts, the inner surfaces of the positions, at the connecting end of the front track beam, of the webs and the inner surfaces of the positions, at the connecting end of the rear track beam, of the webs are located in the same plane, and flat connection of the side portions of the front and rear track beams is achieved. The fabricated connecting structure is simple in structure and fast and convenient to mount, the structural strength and flatness of the connecting position of the adjacent track beams are guaranteed, and comfort and safety of rail transport are improved.

The invention provides an automatic steel roll packaging device which comprises a material transporting trolley, a lifting mechanism, a side pressing unit and a core penetrating pressing unit. The upper end of the material transporting trolley is rotationally connected with two material rotating rollers. Rolling shafts of the two material rotating rollers are in chain transmission. The roller shaft of one material rotating roller is in chain transmission with a motor shaft of a motor. The lifting mechanism is rotationally connected with a paper pressing roller. The two ends of the paper pressing roller are rotationally connected with paper pressing frames. The longitudinal section of each paper pressing frame is in a shape like the Arabic number '7', and the end portion of each paper pressing frame is fixedly connected to the front wall of the lifting mechanism. The side pressing unit comprises side pressing rollers which are in left-right symmetry about the center line of the lifting mechanism, and the axial direction of the side pressing rollers is the vertical direction. The core penetrating pressing unit comprises two core penetrating pressing rollers which are in left-right symmetry about the center line of the lifting mechanism, and the two core penetrating rollers reciprocate at the same time in the vertical direction. According to the automatic steel roll packaging device, it is ensured that a packaging material can be attached to the outer circular side wall, the two end portions and the inner circular side wall of a roll completely; and packaging materials are saved, the packaging time is also shortened, and the working efficiency is improved.

The invention relates to a safety helmet cleaning device, in particular to a cleaning device special for a safety helmet of a pile foundation construction worker. In order to solve the technical problems, the cleaning device which can save labor and time and is high in work efficiency is provided. In order to solve the technical problems, the cleaning device comprises a bottom plate and the like. The top of the bottom plate are vertically provided with supports in a left-right symmetry mode through bolt connection. A cleaning frame is installed on the portion, between the two supports, of the top of the bottom plate through bolt connection. The portion, in the cleaning frame, of the bottom plate is connected with an arc-shaped plate through bolt connection. The arc-shaped plate is in a mesh shape. The portion, between the two supports, of the arc-shaped plate is horizontally provided with a top plate through bolt connection. A left-right moving device is arranged at the bottom of the top plate. The safety helmet cleaning device has the advantages of being capable of saving labor and time and high in work efficiency.

The invention discloses an environment-friendly self-cleaning type air purifier. The air purifier comprises a shell, an air inlet is formed in the left side of the shell, the tail end of the air inletis connected to an air inlet pipe, and the other end of the air inlet pipe is connected with a ventilating fan; and the right side of the ventilating fan is connected with an exhaust pipe, and the other end of the exhaust pipe is connected with a vertical pipe. According to the air purifier, the ventilating fan is arranged so that the air can be conveniently sucked into an inner cavity of the shell; pipe openings are formed in the vertical pipe so that the air fed into the shell can be conveniently and uniformly distributed, and a rotating shaft can rotate to drive a stand column to rotate sothat brushes can rotate in the shell to clean filter screens; the filter screens are arranged in an arc shape so that when the brushes rotate, the filter screens can be conveniently and fully cleanedup; the brushes are arranged in a front-back and left-right symmetry mode so that the filter screens can be cleaned conveniently and more rapidly; and therefore, the use functionality of the environment-friendly self-cleaning type air purifier is greatly improved, the use effect and the use benefit of the air purifier are guaranteed, and the air purifier is suitable for being widely popularized.

The embodiments of the invention provide a face image processing method and apparatus. The method comprises the following steps: obtaining a plane external rotation angle value of a face from the posture parameters of a face image; determining whether one side from the left side and the right side of the face is incomplete; if the incomplete side exits, according to the angle value, determining the incomplete side, and covering the incomplete side with the other side of the face after mirror imaging is performed on the other side of the face. For the face image corrected through 3D correction, through such means as determining the plane external rotation angle value in the posture parameters of the face image and the like, whether one side from the left side and the right side of the face is incomplete can be known, and then the incomplete side is covered by the other side of the face after the mirror imaging is performed on the other side of the face. According to the invention, by use of the left-right symmetry characteristic of the face, the incomplete side is compensated by use of the other side in a mirror image mode, such that problem of the incompletion existing in some areas of the face after the 3D face correction is solved, and the face identification success rate is improved.

Disclosed is an automatic centering electric rotating chuck. The automatic centering electric rotating chuck comprises a base; a bearing seat is arranged on the base; bearings are disposed in the bearing seat; inner rings of the bearings are connected with a roll core; one end of the roll core is connected with a roll core driving device, and the end wall of the other end of the roll core is provided with two sets of clamping jaw mechanisms which are arranged in a cross shape; the first set of clamping jaw mechanisms includes two clamping jaw mechanisms which are arranged in a longitudinal symmetry mode, and the second set of clamping jaw mechanisms includes two clamping jaw mechanisms which are arranged in a left-right symmetry mode; at least one clamping jaw mechanism of each set of clamping jaw mechanisms is provided with a sensor; a through hole is formed in the center of the roll core; a first cavity and a second cavity are formed in the wall of the roll core; an electric conductive sliding ring is disposed in the first cavity; two clamping jaw driving mechanisms for driving the first set of clamping jaw mechanisms and the second set of clamping jaw mechanisms correspondingly are disposed in the second cavity; and the electric conductive sliding ring is connected with the clamping jaw driving mechanisms through conducting wires. The automatic centering electric rotating chuck has the advantages of achieving through hole clamping, being provided with two sets of clamping jaws, achieving automatic and reliable centering and complete rotation, and the like.

An intelligent multifunctional spraying machine capable of removing haze comprises a sprayer (1), a fan (2), an air cylinder (15), a connecting tube (3), a hydraulic telescopic rod (4), a hydraulic motor (5), a base (6), a hollow rotary shaft (7), a rotary disc (8), a hydraulic machine (9), a power distribution box (10), a remote control receiver (11), a water pump (12), a left support (13) and a right support (14). The cross section of a guide cylinder (23) is in left-right symmetry. The outer contour of the guide cylinder (23) is a sealed continuous smooth curve, and a connecting line connecting the left most protruding point of the curve and the right most protruding point of the curve is defined as the X axis. The distance D1 from the upper end point of the curve to the X axis is larger than the distance D2 from the lower end point of the curve to the X axis. The intelligent multifunctional spraying machine with a remote control function is high in operation efficiency, far in range, wide in coverage area, small in noise, low in pollution and suitable for large-area continuous operation.

The invention relates to cleaning equipment, and particularly relates to cleaning equipment for surgical instruments in the gynecology and obstetrics. The technical problem to be solved by the invention is to provide cleaning equipment for surgical instruments in gynecology and obstetrics, convenient to clean and capable of avoiding collision during cleaning. In order to solve the abovementioned technical problem, the invention provides cleaning equipment for surgical instruments in gynecology and obstetrics. The cleaning equipment comprises a bottom plate, support rods, a frame body, first springs, a first link, a connection rod, a second link, a fixing device, a first pull line, a first slide rail, a first slide block and a pull rod, wherein the support rods are arranged on the bottom plate in the form of left-right symmetry; the frame body is connected to the top ends of the support rods; first grooves are formed in the tops of the left wall and the right wall of the frame body; andone first spring is connected to the bottom in each first groove. The cleaning equipment disclosed by the invention achieves the effects of being convenient to clean and capable of avoiding collisionduring cleaning. According to the cleaning equipment disclosed by the invention, cleaning is carried out through the continuous up-down movement of the surgical instruments in the gynecology and obstetrics in the frame body, so that the cleaning speed for the surgical instruments in the gynecology and obstetrics is increased.

The invention relates to a waist power-assisted outer skeleton mechanism and a power-assisted method thereof. The mechanism comprises a front chest supporting unit and a bearing unit, the front chestsupporting unit comprises a chest plate, a carapace, two oxter supports and two hydraulic cylinder system assemblies, and the side faces of the lower portions of the chest plate and the carapace are connected together through the two oxter supports. The carapace, the chest plate and the oxter supports overall constitute a vest shape, and the connecting positions of the carapace, the chest plate and the oxter supports are connected through elastic connecting belts. The two hydraulic cylinder system assemblies are mounted on the front end face of the chest plate in a left-right symmetry mode, each hydraulic cylinder system assembly comprises an upper hinging support, a hydraulic cylinder and a lower hinging support, and the two ends of each hydraulic cylinder are provided with rod end ball bearings. The bearing unit comprises an artificial spine part and a back frame part, the back frame part is connected to the left portion and the right portion of the carapace, and the artificial spinepart is connected to the middle position of the carapace. The waist power-assisted outer skeleton mechanism can provide assisted power when people carry heavy objects and help people to save more labor when people bend down and get up during heavy object carrying.

The invention discloses equipment for evaluating the sealing property of an automobile rear axle housing, and the equipment is applied to solve the problems in the prior art that the existing tools for evaluating the sealing property of automobile rear axle housings are low in work efficiency. The equipment comprises a tool support, a workbench, an elevating mechanism, a rotating mechanism, a sealing and clamping mechanism, a water tank and a control box. The equipment is characterized in that the workbench is provided with a frame structure, a force guide rod is arranged between a front cross beam and a rear cross beam of the workbench, axle housing limiting blocks are arranged on the rear cross beam in a way of left-right symmetry, rear cross beam reinforcing plates are arranged in the mounting positions of the axle housing limiting blocks, and the rear cross beam reinforcing plates are wrapped on the outer side wall of the rear cross beam. The equipment has the characteristics of reliable performance, strong practicability and convenience in operation, and can greatly increase the production efficiency and reduce the purchasing cost.

The invention relates to a washing device, in particular to a carrot washing device which is time-saving, labor-saving, capable of improving washing efficiency, simple to operate and low in manufacturing cost. The carrot washing device comprises a bottom plate, two supporting plates, a washing tank, a water outgoing pipe, a valve and a moving-up-and-down device, the left side of the top of the baseplate is vertically connected with the supporting plates through bolts, the supporting plate are in left-right symmetry, the washing tank is connected between the tops of the supporting plates through bolts, the middle of the bottom of the washing box is connected with the water outgoing pipe, the valve is arranged on the water outgoing pipe, and the moving-up-and-down device is arranged on the right side of the top of the baseplate. Many carrots can be washed in one time by the carrot washing device, so that saving of time and labor, improving of washing efficiency, simplicity in operation and low manufacturing cost are realized.

The invention relates to a clamp for aluminum alloy pipe slitting. A bottom plate is included. Vertical plates are fixed to the top of the bottom plate in a left-right symmetry manner. A transverse plate and a sliding rod are fixedly arranged between the two vertical plates. A hydraulic cylinder is fixedly arranged at the bottom of the transverse plate. The bottom of a piston rod of the hydrauliccylinder is fixedly connected with an arc plate. The bottom plate is fixedly provided with a fixing plate. A motor is fixedly arranged on the top of the fixing plate. The end portion of an output shaft of the motor is fixedly provided with a gear. A first rack engaged with the gear is movably arranged above the bottom plate. A first supporting plate is fixed to the top of the first rack. A frame is fixedly connected to the top of the first supporting plate. The left and the right of the side wall of the sliding rod are symmetrically sleeved with sliding blocks in a sliding manner. The bottom of the left sliding block is fixedly connected with the second rack through a first connecting plate. The two sliding blocks are fixedly connected with L-shaped plate bodies through second supporting plates, and the left L-shaped plate body is provided with an inserting groove. According to the provided technical scheme, the defects that according to an existing clamp for aluminum alloy pipe slitting, clamping of pipes different in pipe diameter is not convenient, and the fixing effect is poor are effectively overcome.

The invention relates to a medicine pulverizing and sieving mechanism, in particular to a Chinese herbal medicine pulverizing and sieving integrated machine. The Chinese herbal medicine pulverizing and sieving integrated machine comprises whole machine brackets, inner side plates, a power mechanism, a shifting mechanism, a crushing mechanism, a pushing mechanism, a swing mechanism, a crank mechanism, connecting rods and a sieving mechanism; the two inner side plates are arranged in a left-right symmetry mode and arranged at the left and right ends of the whole machine brackets correspondingly;crushing sliding grooves are formed in the left and right ends of the two inner side plates and the left and right ends of the whole machine brackets; and the power mechanism is fixedly connected tothe whole machine brackets, and the two ends of the shifting mechanism are rotatably connected to the two whole machine brackets correspondingly. The crushing mechanism can simulate manpower to crushherbal medicine, the pushing mechanism pushes the swing mechanism to swing, thus the crushing mechanism and the swing mechanism moves relatively to bidirectionally crush the herbal medicine, the crankmechanism can drive the sieving mechanism to swing to sieve the crushed herbal medicine, and the crushed herbal medicine is subjected to grading sieving through a sieving plate.

The invention discloses a large-stroke press-in mechanism for micro-nano carving. The large-stroke press-in mechanism comprises a probe installing platform. A left-right symmetry form is adopted in the press-in mechanism, and a base body, a piezoelectric ceramic driver, a lever amplification mechanism I, a double parallel plate guiding mechanism, a parallelogram guiding mechanism, a lever amplification mechanism II, a flexible supporting mechanism and a bridge type amplification mechanism are included. The piezoelectric ceramic driver is arranged at the center position of the press-in mechanism and connected with the double parallel plate guiding mechanism through a notch type flexible hinge. The double parallel plate guiding mechanism is connected with the lever amplification mechanism Ithrough a connecting rod I. The lever amplification mechanism I is connected with the parallelogram guiding mechanism through a half notch type flexible hinge. The parallelogram guiding mechanism is connected with the lever amplification mechanism II through a connecting rod II and connected with the bridge type amplification mechanism through the flexible supporting mechanism. The bridge type amplification mechanism is connected to the probe installing platform. The large-stroke press-in mechanism has the beneficial effects of being high in precision, high in stability and large in stroke.