214results about How to "Keep the position fixed" patented technology

The invention aims to provide a robot-assisted multifunctional instrument arm for minimally invasive surgery. The robot-assisted multifunctional instrument arm for minimally invasive surgery is composed of a master control case, a tail end position adjusting mechanism and a tail end posture adjusting mechanism, wherein a case body, an industrial control computer, a host and other equipment are installed in the master control case and used for controlling a whole movement system; the tail end position adjusting mechanism is composed of an active lifting joint and three passive rotating joints and mainly used for adjusting the position of a tail end control point; the tail end posture adjusting mechanism is composed of two active rotating joints and used for adjusting the posture of the point after the position of the tail end control point is determined. The robot-assisted multifunctional instrument arm for minimally invasive surgery has the advantages of having active and passive freedom degree and being capable of positioning a tail end surgical instrument and adjusting the posture of the tail end surgical instrument, the mechanism is good in movement stability and flexibility, and accuracy of tail end movement is high; a mounting platform at the tail end of the mechanism can be provided with a laparoscope or other micro surgery instruments such as surgical manipulator, and therefore an image acquisition system or a surgery operation executing system is formed.

The invention discloses a sorting and conveying mechanism for groove workpieces, and belongs to the field of workpiece conveying and machining mechanical equipment. A material transferring pipe is vertically and fixedly arranged in the middle of the upper side of a material transferring support, a horizontal moving push plate is horizontally and fixedly provided with a material pushing pressing rod along the side of the material transferring material pipe, a material guide inclined plate is obliquely and downwards fixedly arranged on one side below the material transferring material pipe, anda material bearing baffle is arranged on one side of a turnover baffle; a material guiding pipe is vertically and fixedly arranged on the material transferring support at the lower side of the material transferring pipe, a material guiding rotating plate is arranged on the material transferring support on one side of the material guiding pipe, the end part the lower side of a transferring guide plate is rotationally connected to the material transferring support, a material bearing rotating plate is arranged on the upper side of the transferring guide plate, and a material transferring belt ishorizontally arranged on the upper side of a conveying base. The sorting and conveying mechanism has the advantages that the structural design is reasonable, the groove workpieces can be convenientlyand efficiently subjected to directional arrangement in the discharging process, automatic overturning and conveying of the groove workpieces can be realized, the workpiece feeding and conveying automation degree is improved, and the requirements of production and use are met.

The invention relates to a pipe discharge mechanism. A lifting support is installed on an installation base in a vertically sliding mode, a roller shaft is rotatably erected on the lifting support, a conveying roller and a drive sprocket are fixed on the roller shaft, left and right rows of driven rollers are rotatably installed on the lifting support arranged on the rear side of the conveying roller, a compression support is fixed on the installation base, a compression pivot shaft is rotatably erected on the top end portion of the compression support, a pivot shaft frame and an air cylinder lever are fixed on a compression pivot shaft, a compression wheel shaft is rotatably installed on the pivot shaft frame, a compression wheel is fixed on the compression wheel shaft, an air cylinder base is fixed on the compression support, a compression air cylinder is installed on the air cylinder base in a hinged connection mode, and an air cylinder head is fixed on the end portion of a piston rod of the compression air cylinder. The pipe discharge mechanism has the advantages that the pipe discharging efficiency is improved and the usage is convenient and flexible.

The invention relates to the technical field of electric forklifts, in particular to an electric forklift battery pack and an assembling method thereof. The electric forklift battery pack includes a box body, a box cover and an electric core limiting frame, wherein the box cover is covered with the box body, and the electric core limiting frame is fixedly connected to the box body interior; a plurality of parallel gratings are arranged in the electric core limiting frame at equal intervals, parts in the electric core limiting frame are divided into a plurality of electric core inserting grooves by the gratings, and a plurality of electric cores arranged side by side are inserted into the electric core inserting grooves; insulation assemblies are all arranged in the circumferential direction and at the bottom of the electric cores, the electric cores are fixedly fastened in the electric core inserting grooves by limiting fastening parts arranged above the electric cores; and the electric cores are connected together in series by busbars. Secondary assembling of the electric cores is not needed by modules, the electric cores are packed directly by a battery pack structure, time is shortened, and energy is saved.

The invention discloses a lifting tool for multi-station machining of a household appliance display screen outer shell. The lifting tool comprises a base, two supporting columns are symmetrically welded on the two sides of the base, moreover, two threaded supports are fixedly welded to the upper ends and the lower ends of the two supporting columns in a symmetrical mode respectively, and the upperthreaded support and the lower threaded support are in threaded connection with rolling shaft screw rods; and a double-shaft motor is installed at the middle end of the base, moreover, the output ends of the double-shaft motor are connected with first-stage bevel gears correspondingly, the first-stage bevel gears are meshed with second-stage bevel gears, the rolling shaft screw rods are in threaded connection with rolling shaft nuts, moreover, sliding sleeves are welded on the rolling shaft nuts, and the sliding sleeves sleeve the supporting columns in a sliding mode. According to the tool, an operation desk is moved up and down to achieve vertical movement of the display screen outer shell, and fixing, drilling, disassembling and assembling are carried out conveniently on the display screen outer shell; and a tight clamping device is used for limiting the position of the display screen outer shell in the horizontal direction, and moreover, multi-position drilling machining can be carried out on the display screen outer shell through a movable drill bit so that the drilling efficiency of the display screen outer shell can be improved.

The invention relates to a body core temperature monitoring method, a motion early warning method applied to a high-temperature and high-humidity environment and a motion early warning system applied to the high-temperature and high-humidity environment. According to the core temperature monitoring method, a heart rate signal of a subject is acquired by virtue of a heart rate sensor, and the core temperature of the subject is calculated depending on heart rate data through a formula: Tc=0.02HR+34.66; according to the motion early warning method, the core temperature of an exerciser is monitored on the basis of the body core temperature monitoring method of the invention in the high-temperature and high-humidity environment, and the motion early warning method alarms when the core temperature of the exerciser exceeds a preset threshold; the early warning system is capable of achieving early warning by virtue of the motion early warning method of the invention; the early warning system comprises a wearable chest strap, a heart rate sensor and an intelligent mobile terminal, and the heart rate sensor is arranged on the chest strap and the intelligent mobile terminal is communicated with and connected to the heart rate sensor. The body core temperature monitoring method, the motion early warning method and the motion early warning system disclosed by the invention can achieve real-time monitoring on body core temperature under a motion state conveniently and effectively with low cost, and can alarm when the core temperature exceeds the certain threshold.

The invention discloses a garment processing fabric cutting device and relates to the technical field of garment processing. The garment processing fabric cutting device comprises a supporting frame;a cutter used for cutting a fabric is arranged above a supporting table; a gearbox is fixed to the top in the supporting frame; a driven shaft is in drive connection to the interior of the gearbox through a drive mechanism; a horizontal plate is horizontally fixed in inner threaded sleeve blocks; the cutter is fixedly installed at the bottom of the horizontal plate through a steering mechanism; and a limiting spring is fixedly connected between a pressing block and each inner threaded sleeve block. By adopting the garment processing fabric cutting device, the fabric is pressed by the pressingblocks from the two sides of the cutter before being cut with the cutter, so that the position of the fabric during cutting of the cutter is fixed, and the quality of cutting due to movement of the fabric is effectively avoided; and arranged pressing rollers can be used for smoothening the fabric before the fabric is cut and are driven by arranged compression springs respectively to compress thesmoothened fabric, so that wrinkles generated when the fabric is cut can be effectively prevented, and the cutting effect of the fabric is greatly improved.

The invention discloses an extended target stable tracking point extraction method based on local and global coupling. According to the method, preprocessing such as denoising and enhancement is performed on an image to be processed; a GMS (Grid-based motion statistics) algorithm is used to perform feature point matching on two adjacent frames of images; generalized Hough transformation is performed on matched feature points, and features that contribute to the peak points of an accumulator are obtained and are adopted as basic feature points; the homography mapping matrix of the feature points of the two adjacent frames of images is obtained by using the basic feature points; and a feature point of sub-pixel precision of a current frame of image which is obtained by means of mapping on the basis of a tracking point of a previous frame of image is calculated through using the homography mapping matrix, and the feature point is adopted as the tracking point of the current frame of image. The tracking point obtained by using the method of the invention is a virtual global feature point which is obtained by means of mapping on the basis of a plurality of local matched feature points on a target; and a condition that the target always has stable and obvious features is not required. The method has high robustness to the translation, scale, illumination, blur, attitude and self-occlusion of the target, and even changes such as the escape of a part of the region of the target from a field of view.

The invention provides a lead frame jumper wire combination device. The lead frame jumper wire combination device comprises a first conveying mechanism, a first turnover mechanism, a second conveying mechanism and a second turnover mechanism. The first conveying mechanism comprises a first storage mechanism and a conveying plate. The first turnover mechanism is arranged at the tail end of the moving direction of the conveying plate; the first turnover mechanism comprises a pair of rotating rods and is used for overturning the frame suckers on the conveying plate by 180 degrees; vent holes are formed in the bottoms of the frame suckers; vent pipes corresponding to the vent holes are arranged on the top surface of the rotating rod; the second conveying mechanism comprises a second storage mechanism and a vacuum pipe, and a pipe valve is arranged on one side of the jumper wire sucker; the vacuum pipe is provided with air suction holes corresponding to each layer of jumper wire suckers of the stack; a transfer plate is movably arranged at the outlet end of the second storage mechanism in the output direction, and the first turnover mechanism is located on one side of the middle section of the moving track of the transfer plate; and the second turnover mechanism is arranged at the tail end of the transfer plate in the moving direction and comprises a rotating block. The automation degree is high, and the production efficiency is greatly improved.

The invention relates to a fast measuring device for the distance between a hole and a plane. The fast measuring device comprises a handle, a mandrel, a supporting arm and a measuring gauge. The mandrel is fixed to the lower end of the handle, the handle is of a cavity structure, one end of the supporting arm is arranged in a cavity of the handle in a sleeved mode and connected with the bottom of the cavity of the supporting arm through a spring, a thread is arranged on the inner wall of the part, at the upper end of the supporting arm, of the handle, a bolt is further arranged at the upper end of the handle, the other end of the supporting arm is arranged outside the handle and is connected with the measuring gauge, and a groove for radial movement of the supporting arm is formed between the supporting arm and the lower end of the handle. The fast measuring device has the advantages that measuring is convenient, precision is high, and the working efficiency is high.

The invention discloses a marine equipment underwater cleaning device which comprises a machine body, a mechanical arm, a cleaner, positioning clamping arms, electric crawler belts and cleaning discs.The mechanical arm is installed at the top of the machine body, the cleaner is installed at the tail end of the mechanical arm, and the two transverse opposite sides of the machine body are symmetrically provided with one set of the positioning clamping arms. Two electric crawler belts are sequentially arranged on each of two opposite transverse sides of the machine body at a distance, each set comprises two positioning clamping arms arranged at a distance, and the multiple cleaning discs are installed at the bottom of the machine body. The invention further discloses a cleaning control method of the device. The device meets the requirements of ship body surface cleaning and cleaning operation modes of ocean platform jackets, submarine pipelines and breeding nettings, and is high in universality, wide in application range and capable of saving cost; potential safety hazards brought to the device body due to uncontrollable underwater ocean current disturbance and other unpredictable potential risks are avoided, and the operation stability and the operation range are improved; and cleaning of all corners is guaranteed, the cleaning efficiency is high, and cleanliness is high.

The invention discloses a driving device for a robot gripper. The driving device comprises a mounting flange, a first bracket, a second bracket, a motor, a first lantern ring, a second lantern ring, a third lantern ring and a fourth lantern ring. A first spring is arranged between the first lantern ring and the limiting block; the third lantern ring winds the top of the first lantern ring through a first connecting rope; the bottom of the first lantern ring is hinged to a first gripper and a second gripper; a second slide bar is inserted onto the fourth lantern ring; a wedge block is connected to the inner side of the slide bar and an arc-shaped plate is fixedly connected to the outer side; the shaft of the motor is inserted into the fourth lantern ring; a base plate is also fixedly connected below the fourth lantern ring; the shaft of the motor is fixed below the base plate through a fixed bolt; a fourth spring sleeves the fixed bolt; the fourth spring is located between the motor shaft and the base plate; and the first gripper is wound on the arc-shaped plate through a second connecting rope. The driving device disclosed by the invention can improve the defects in the prior art and can be applied to a plant which is not driven by compressed air, and the gripper is more conveniently adjusted.

The invention relates to an intelligent intracranial cortex electrode. The intelligent intracranial cortex electrode comprises a 'comb-shaped' strip / sheet electrode array (I) and an intelligent electrode contact state detector (II); the 'comb-shaped' strip / sheet electrode array (I) is composed of m same n-point strip electrodes, and comprises 'comb-shaped' flexible bases (1), array electrodes (2)embedded into the flexible bases (1), wire electrodes (3) embedded into the flexible bases (1), lead wire sleeves (4) for packaging the wire electrodes (3) and electrode output plugs (5). All the flexible bases (1) are connected at the 'comb backs' of the 'comb-shaped' flexible bases (1), and are separated at 'comb teeth', the electrode can be in good contact with cerebral cortexes, and fixation of relative positions between all electrodes is kept. The intelligent electrode contact state detector (II) is connected with the 'comb-shaped' strip / sheet electrode array, the contact state between the electrode and the cerebral cortexes can be detected in real time, and therefore accuarate collection of ECoG is guaranteed.

The invention discloses agricultural hydroponic vegetable intelligent planting equipment and a using method. The agricultural hydroponic vegetable intelligent planting equipment comprises a planting box, a nutrient solution adding unit, a spraying unit, a planting unit, a nutrient solution flowing unit, a flowing power unit and a nutrient solution adding control unit; the nutrient solution flowingunit is arranged at the bottom of the inner side of the planting box, the flowing power unit for providing power for the nutrient solution flowing unit is arranged at the bottom of the planting box,the spraying unit is installed on the side face of the planting box, a supporting plate is arranged at one end of the planting box, and a nutrient solution adding unit is arranged on the supporting plate; the planting unit is arranged at the top of the planting box, and the nutrient solution adding control unit is further arranged at the inner side of the planting box; Intelligent and accurate nutrient solution control over hydroponic vegetables can be ensured, the planting effect of the hydroponic vegetables is guaranteed, atomizing and water spraying can be carried out on branches and leavesof the hydroponic vegetables, comprehensive and normal growth of the vegetables is facilitated, improvement of the planting effect is facilitated, and planting and harvesting are facilitated.

The invention provides a double-bundle artificial ligament and a manufacturing method, an implanting device and an implanting method thereof. The double-bundle artificial ligament comprises a flexible long-strip-shaped body. The long-strip-shaped body comprises a first body segment, a second body segment and a third body segment. The manufacturing method includes the steps that a lateral plate is woven; the lateral plate is cut, and a fold line is set; a first pull wire and a second pull wire are threaded from one side of the fold line to the other side of the fold line; corners are cut; the lateral plate is wound to the fold line from the two sides to form a cylinder; the first pull wire and the second pull wire are tensioned; a wire is wound around the two ends of the long-strip-shaped body. The implanting device comprises a hanging assembly and a fixing assembly. The implanting method includes the steps that the third body segment is arranged on the hanging assembly in a penetrating mode; the hanging assembly is fixed; the first body segment and the second body segment are fixed. According to the double-bundle artificial ligament and the manufacturing method, the implanting device and the implanting method thereof, the problems that knee joint stability can not be recovered, and donor site insufficiency, donor site complications, allograft ligament formation time delay and immunological rejection occur in reconstruction of an anterior cruciate ligament are solved, the reconstruction effect is greatly improved, and the adaptability is high.

The invention provides a standardized 3D information acquisition and measurement method and system, and the method comprises the steps: adjusting the position of a target object according to a presetmark, and enabling the preset features of the target object to be aligned with the mark; collecting a plurality of images of the target object at a plurality of positions, wherein the interval betweentwo adjacent positions in the plurality of positions is within a predetermined range; segmenting the plurality of images to obtain a plurality of preprocessed images containing target object predetermined information; and synthesizing the 3D information of the target object by utilizing the plurality of preprocessed images. According to the invention, standardization of acquisition required in the field of 3D acquisition and synthesis, especially in the field of synthesizing 3D by using pictures shot at multiple positions, is proposed for the first time, i.e., a certain specification is required to be specified for acquisition and synthesis, so that the acquisition and synthesis precision is higher, the speed is higher, the acquired data is more orderly, and subsequent processing and utilization are facilitated.

The present invention discloses a radiotherapy department neck protection device. The radiotherapy department neck protection device comprises a bottom ring, a top end of the bottom ring is fixedly connected with a retractable elastic sleeve, a top end of the elastic sleeve is fixedly connected with a ring-shaped top ring, a top end of the top ring is provided with four massage blocks capable of reciprocating up and down and adjusting movement speeds in front, rear, left and right four directions, an outside of a bottom end of the top ring is provided with a control switch for controlling movement of the massage blocks, and the top ring and bottom ring are connected through four retractable first shock absorbing rods capable of swing front, rear, left and right in front, rear, left and right four directions; the top end of the top ring is connected with a massage cap through a top belt arranged at left and right sides and with adjustable length, a periphery of the massage cap is evenlyprovided with a plurality of massage legs capable of swinging up and down, the massage legs are all provided with adjusting blocks capable of adjusting positions, bottom ends of the adjusting blocksare provided with massage feet capable of adjusting positions, and bottom ends of the massage feet are provided with a plurality of rotatable massage wheels. The radiotherapy department neck protection device effectively solves a problem that currently, a neck is susceptible to infection due to no protection device after the neck is burnt after neck radiotherapy.

The invention provides an ultrahigh-voltage direct-current sleeve joint. The ultrahigh-voltage direct-current sleeve joint comprises a conducting pipe as well as an epoxy pipe and a supporting cover plate which are arranged coaxially relative to the conducting pipe, wherein the supporting cover plate is provided with a through hole which is vertical to the axial direction of the supporting cover plate and coaxial with the conducting pipe and the epoxy pipe; the conducting pipe passes through the through hole and is connected with a top cover plate; a part, surrounded between the supporting cover plate and the top cover plate, of the conducting pipe is provided with a corrugated pipe which is positioned at the upper end of the supporting cover plate and connected with the supporting cover plate and the top cover plate. Compared with the prior art, the ultrahigh-voltage direct-current sleeve joint disclosed by the invention has the advantages of solving the problem of extension and contraction of the conducting pipe by enabling the corrugated pipe to extend and contract correspondingly along with the extension and contraction of the conducting pipe, solving the problem of metal friction caused by hard connection between parts, improving the sealing reliability, guaranteeing good leakproofness of a sleeve chamber body, improving the problem of easy loosening caused by own gravity of the parts, simplifying the installation process of the conducing pipe and lowering the time cost.

The invention relates to a composite sealing strip extrusion die and a molding technology using the composite sealing strip extrusion die. The extrusion die comprises a first flow channel piece, a second flow channel piece, a molding piece and a duckbilled piece, wherein the first flow channel piece, the second flow channel piece and the molding piece are connected into a whole; the duckbilled piece is formed by a connecting piece and a duckbill; the connecting piece is connected with the first flow channel piece; the duckbill penetrates through the first flow channel piece and the second flow channel piece; the centers of the connecting piece and the duckbill are respectively provided with a core material channel; the connecting piece is provided with a dense glue channel and a gelatin sponge channel around the duckbill; the first flow channel piece is provided with a first dense glue channel and a first gelatin sponge channel; the second flow channel piece is provided with a second dense glue channel and a second gelatin sponge channel; the molding piece is provided with a molding hole. When the extrusion die is used for molding, the core material is not needed to be pre-molded. The problems that the glue material covering the two sides of the core material is not uniform, the core material is missed and the like caused by the change of relative position of an opening die and the duckbill in the installation process can be effectively solved; the labor intensity of workers in the installation and disassembly processes of the opening die and the duckbill can be lightened, and the product switching time is shortened.

The invention discloses a nursing device for accurately recording respiratory training values of a child under different conditions. The device comprises a shell and a ventilation channel, wherein theouter side of a floater is fixedly embedded with a magnetic sheet; the interior of a ring pipe is provided with a rolling ball and a magnetically conductive ball; a lifting plate is movably insertedinto the right side of the ventilation channel; a ratchet wheel is mounted on the outer side of a rotating shaft; the front surface of the rotating shaft is movably connected with a push plate througha hinged rod; a clamping plate is mounted between the ring pipe and the push plate; a magnetic block I is fixedly connected to the side, close to the push plate, of the clamping plate; a magnetic block II corresponding to the magnetic block I is fixedly connected to the push plate; when the floater rises, the magnetically conductive ball and the lifting plate move up together under the attractionforce effect of the magnetic sheet, and when the floater falls, the lifting plate moves down accordingly and drives the rotating shaft to rotate under the action of the one-way ratchet wheel, and therotating shaft extrudes the clamping plate through the push plate to be against a flexible section of the ring pipe, so that the magnetically conductive ball is prevented from moving down and stays at the highest point of movement of the floater; and a training result can be judged by observing the position of the magnetically conductive ball.

The invention discloses a method for real-time spatial positioning of an ablation catheter in a heart cavity by using ultrasound, and relates to the technical field of medical instruments. A fixing seat is included, the right inner wall of the fixing seat is fixedly connected with an electromagnet, and a buffer groove is formed in the right inner wall of the fixing seat and close to the left sideof the electromagnet. According to the method for real-time spatial positioning of the ablation catheter in the heart cavity by using ultrasound, through cooperative use of the electromagnet and a resistor, during use of the device, the electromagnet is energized first, so that a piston block moves leftwards under the mutual repulsive force of the electromagnet and a magnet to squeeze an electrorheological fluid to the left side, a rubber ring expands and is clamped with a clamping groove, when the circuit voltage is larger than the minimum path voltage of the resistor, the electrorheologicalfluid becomes solid at the moment to fix a universal ball, so that fixation of an ultrasound device is effectively guaranteed, when the electrorheological fluid is liquid, the universal ball can be adjusted by universal rotation, and the effects of facilitating the adjustment of the angle of the ultrasound device and improving the detection efficiency are achieved.

The present invention relates to a lithium battery tab length verifying device. The lithium battery tab length verifying device comprises a pedestal on which a first limiting boss used for limiting the displacement of one end of a lithium battery possessing a tab is arranged, an avoiding port used for avoiding a lithium battery tab is arranged on the first limiting boss, and a second limiting boss used for limiting the displacement of one end of the lithium battery not having the tab and a measuring tool used for measuring the length of the tab are also arranged on the pedestal. According to the lithium battery tab length verifying device of the present invention, the lithium battery is placed between the first limiting boss and the second limiting boss, thereby guaranteeing the fixed position of the lithium battery. The tab of the lithium battery is placed in the avoiding port, the length of the tab can be measured accurately by the measuring tool, and the data is provided for the subsequent analysis.

The invention provides a photovoltaic module laying method and a photovoltaic module, and belongs to the technical field of photovoltaic module preparation, and the photovoltaic module laying method comprises the following steps: respectively cutting a first cutting seam and a second cutting seam which are parallel to each other at two sides of a first EVA adhesive film; laying the first EVA adhesive film and a plurality of battery strings on the photovoltaic glass, so that the battery strings are perpendicular to the first cutting seam and the second cutting seam, and enabling welding stripsat the two ends of the battery strings to sequentially penetrate through the first cutting seam and the second cutting seam respectively; connecting the welding strips with the bus bar; and sequentially laying the second EVA adhesive film and a back plate. According to the photovoltaic module laying method, the first cutting seam and the second cutting seam are cut in the first EVA adhesive film,the welding strips of the battery strings penetrate through the first cutting seam and the second cutting seam to be connected with the bus bar, it is guaranteed that the positions of the battery strings is fixed, and the battery strings are prevented from deviating in the follow-up laminating process; and the production cost is reduced, the working efficiency and the quality of the photovoltaic module are improved, and the service life of the photovoltaic module is prolonged.

The invention aims to provide a robot-assisted multifunctional instrument arm for minimally invasive surgery. The robot-assisted multifunctional instrument arm for minimally invasive surgery is composed of a master control case, a tail end position adjusting mechanism and a tail end posture adjusting mechanism, wherein a case body, an industrial control computer, a host and other equipment are installed in the master control case and used for controlling a whole movement system; the tail end position adjusting mechanism is composed of an active lifting joint and three passive rotating joints and mainly used for adjusting the position of a tail end control point; the tail end posture adjusting mechanism is composed of two active rotating joints and used for adjusting the posture of the point after the position of the tail end control point is determined. The robot-assisted multifunctional instrument arm for minimally invasive surgery has the advantages of having active and passive freedom degree and being capable of positioning a tail end surgical instrument and adjusting the posture of the tail end surgical instrument, the mechanism is good in movement stability and flexibility, and accuracy of tail end movement is high; a mounting platform at the tail end of the mechanism can be provided with a laparoscope or other micro surgery instruments such as surgical manipulator, and therefore an image acquisition system or a surgery operation executing system is formed.

The invention discloses a combined airtight cavity air pressure sensor calibration device comprising a baseplate which is provided with an air cylinder. An air cylinder piston rod is installed on the air cylinder. The air outlet hole of the air cylinder is provided with a four-through-hole connector. The four-through-hole connector is provided with an upper port, a lower port, a left port and a right port. The lower port is connected with the air outlet hole of the air cylinder, the upper port is provided with a hand slide valve, the left port is connected with an airtight cavity through an air pipe, the airtight cavity is internally provided with a sensor to be tested and a standard sensor, and the right port is provided with a sealing cap. The baseplate is also provided with a positioning plate. The air cylinder and the four-through-hole connector are fixedly connected with the positioning plate. The air cylinder is applied to be matched with the four-through-hole connector to be connected with the airtight cavity internally provided with the sensors to act as a pressure balance part. The airtight cavity is used for installing the sensors and also reducing the output range of the air cylinder so that the device is suitable for calibrating the air pressure sensor of low air pressure range to verify the sensitivity, the linearity, the hysteresis and other parameters, and thus the device has the characteristics of low cost and relatively high accuracy.

The invention discloses a side punching and balancing mechanism and a side punching method for automobile vehicle-mounted power supply shell type parts. The mechanism comprises a lower mold base, a lower mold base balance locking mechanism and a side punching mechanism, wherein the shell type parts are arranged on the lower mold base in a sleeve mode, and the side surface of the lower mold base isprovided with a punching concave portion; the lower mold base balance locking mechanism is used for fixing the lower mold base; and the side punching mechanism is used for carrying out side punchingon the shell parts pressed on the lower mold base. According to the mechanism, the side punching and balancing mechanism is additionally provided with the lower mold base balance locking mechanism, and the lower mold base is fixed through the lower mold base balance locking mechanism, when the side punching mechanism is used for carrying out side punching on the shell type parts, the lower mold base can be ensured not deviated, shaken and inclined after being stressed, and the vertical direction is kept; the roundness of the side punching circular holes is guaranteed, and the precision of thespecial-shaped holes is guaranteed; and the the lower mold base is stably arranged, the service lives of the lower mold base and a male mold can be guaranteed, the punching smoothness is guaranteed, the production efficiency is improved, punching burrs of products are reduced, and the product quality is improved.

The invention relates to a telescopic integrated system for port coke unloading and stacking, and belongs to the field of mechanical equipment. The system comprises a horizontal belt conveyor, a stacking conveyor and wheels; when the horizontal belt conveyor does not extend, a guide joint is in a non-working state, so the normal work of the integrated system is not affected; when the horizontal belt conveyor needs to extend, a part of the telescopic conveying belt is stored in a first steel frame, and the extension of the conveying belt is achieved through the movement of a rolling shaft; thelength of a telescopic funnel of the telescopic funnel can be changed along with the change of the inclination angle of the stacking conveyor and the increase of the gravity center of the stacking conveyor, and the relative positions of the funnel and a trough are always kept fixed, so coke is prevented from being broken to a certain extent, and materials can accurately and completely flow into ahigh-plate trough of the stacking conveyor. According to the invention, the system is simple in structural design, can reduce the unloading and stacking operation time, has very high flexibility in transition, can decrease the breaking rate of coke in the unloading and stacking process, and greatly increases the utilization rate of a port site.

The invention discloses a multi-direction heavy-load conveyor and a conveying method thereof. The multi-direction heavy-load conveyor comprises a first conveying line and a second conveying line, wherein the first conveying line carries out conveying in a first direction, and the second conveying line carries out conveying in a second direction perpendicular to the first direction, the first conveying line comprises two chain plate conveying belts, wherein the two conveying surfaces of the two chain plate conveying belts are equal in height and are arranged at an interval, the width of the chain plate conveying belts is smaller than 1 / 4 width of the conveying surface of the first conveying line, the second conveying line is located between the two chain plate conveying belts, and the conveying surface of the second conveying line and the conveying surface of the first conveying line have a height difference. According to the scheme, the second conveying line capable of ascending and descending is additionally arranged between the two chain plate conveying belts, and the width of the chain plate conveying belts is controlled, so that the bearing capacity of the first conveying lineis effectively guaranteed, the conveying requirement of large-weight articles is met, and the deformation risk of chain plates can be reduced, and meanwhile, the two conveying lines are different in conveying direction and have two position states, so that bidirectional transfer between the two conveying lines can be effectively realized.

The invention relates to a liftable water-fertilizer integrated system based on micro-spraying hose irrigation. The liftable water-fertilizer integrated system comprises a water supply device, an irrigation pipeline system, a hanging and lifting system and a water-fertilizer automated control system, wherein the irrigation pipeline system comprises a main water conveying pipeline, a filter, branch pipelines and bilateral broadside micro-spraying hoses; the main water conveying pipeline is connected with the branch pipelines; the hanging and lifting system comprises a pillar, a lifting steel rope, a steel rope winch wheel, a lifting sliding block, a pulley block and the like, and the bilateral broadside micro-spraying hoses are hung on the pillar; and the water-fertilizer automated control system comprises a programmable logic controller, a variable flow rate fertilizer injector and the like. The liftable water-fertilizer integrated system provided by the invention can regulate the spray irrigation starting sequence and the duration of each of the bilateral broadside micro-spraying hoses on the branch pipelines, simultaneously regulate the fertilizer injection flow rate of the fertilizer injector, maintain appropriate micro-spray irrigation water pressure, ensure the uniformity in irrigation and simultaneously realize automated and precise management of fertilizer and water.