4723results about How to "Compact and reasonable structure" patented technology

The invention relates to the technical field of automated cutting and welding, and discloses a multifunctional single-cantilever cutting and welding integrated machine. The integrated machine comprises a machine frame base, a machine frame stand column, a stand column rotary device, a vertical lifting device, a machine frame transverse arm, a left-right translation device, a telescopic arm, a front-rear transverse moving device and a multi-joint machine head, wherein the machine frame stand column is mounted on the machine frame base through the stand column rotary device, and the machine frame transverse arm is mounted at the upper part of the machine frame stand column through the vertical lifting device. The integrated machine is reasonable and compact in structure and convenient to use; the welding of longitudinal, circumferential and fillet weld seams, cutting of an intersecting line hole and automatic welding of a saddle-shaped weld seam between a barrel body and a connecting pipe can be finished in a relatively fixed station through the stand column rotary device, the vertical lifting device, the left-right translation device, the front-rear transverse moving device and the multi-joint machine head, the frequent motion of a workpiece can be avoided, the clamping and positioning frequency of the workpiece is greatly reduced, the welding efficiency and quality are remarkably improved, and the labor intensity of welding workers is reduced.

The invention belongs to the vibration and noise control field, especially relating to a vibration isolating device for rail vehicle, comprising: connecting sleeve and spring vibration isolator, where the connecting sleeve is equipped with support stop and lift stop and comprises upper and lower sleeves, a splitting connecting structure is arranged between the upper and lower sleeves, the support stop is arranged at the upper part of the lower sleeve and the lift stop is arranged at the lower part of the upper sleeve. And the invention has features of compact and reasonable structure, low cost, enlarging the application range of under-roadbed vibration isolating devices, strong practicality, and having both economic and environmental protection effects, able to be applied to thinner rail floating slabs.

The invention relates to the technical field of remnant agricultural film recycle devices, in particular to a remnant film picker which comprises a machine frame, a spindle, picking wheels and spike-type pickers, wherein the spindle is installed on the machine frame and can rotate, at least one picking wheel is installed on the spindle, at least two spike-type pickers are arranged at intervals close to the edge of the picking wheel, each spike type picker comprises a picker shell, spike teeth and a compression spring, and a cam is fixedly arranged on the machine frame behind the spindle and can drive the picker shells to move towards the outside of the picking wheel so that the tooth points of the spike tooth can completely return into the picker shells. The remnant film picker has the advantages of reasonable and compact structure, convenient use; the picking wheel is used for driving the spike teeth to rotate to pick remnant films up, the cam is used for driving the picker shells to move relative to the spick teeth to remove the remnant films on the spick teeth, a film removing brush roll is used for sending the remnant films into a film collection box; and thus, the remnant film picker has the characteristics of safety, labor saving, convenience and high efficiency.

The utility model relates to a multifunctional electromechanical device for automatically shuffling and dealing playing cards in the technical field of entertainment equipment. The present invention includes: a game table, a mechanical system, and an electrical control system. The mechanical system includes a card sorting and shuffling mechanism, a card issuing mechanism, and a card pushing and lifting mechanism. Complete the functions of card sorting and sending cards to the card delivery mechanism; complete the card shuffling function with the cooperation of the card shuffling cam and the left and right lower ejection ports to ensure the correct transfer of cards one by one, avoiding the way of pushing and transferring the whole stack of push plates. After the cards are sent into the card delivery mechanism, a number of pairs of tapered rollers in a circle make the cards move in a circle, and the cards are turned over to make them fall into the position where they should be intercepted, so as to avoid the way that the rotating disc accepts the cards from falling. Simultaneously, the present invention merges the three card transfer working surfaces in the prior art into two, so that the working components are as similar as possible, thereby making the structure more compact and reasonable.

The invention relates to a full-automatic chemiluminescence immunity analyzer, which consists of a reaction cup feeding system, a three-dimensional mobile sample adding module, a sample area, a reagent area, a pump set and a control system. The reaction cup feeding system comprises a stacking module, a transfer module, an incubation module, a washing module and a measuring chamber, wherein the stacking module is positioned at the leftmost end; reaction cup transfer passages of the modules are positioned on the same height; the reaction cup location exit of the incubation module can be alignedwith the transfer groove outlet of the transfer module and the transfer groove inlet of the washing module; the transfer passage exits of the rest modules are aligned; and the three-dimensional mobile sample adding module is positioned above the rest modules. When the system works, a three-dimensional mobile arm automatically distributes sample solution and reagent solution to a reaction cup, thereaction cup sequentially passes through the modules of the transfer system, and operations of incubation, washing, detection and the like are completed. The analyzer has compact and reasonable structure, high automation degree and quick and accurate detection, and is suitable to be used in various hospitals.

The invention relates to the technical field of sewage precipitation tank washing and crude oil recycling, in particular to a sewage precipitation tank online washing machine, a device for online washing of the sewage precipitation tank and recycling of crude oil and a using method. The sewage precipitation tank online washing machine comprises a car body, a washing device, a small car power transmission device, a power device of the cleaning device and a motor control device. Two front wheels and two back wheels are installed at the bottom of the car body, a cleaning device installation support is fixedly installed at the front end of the car body, and a first motor and a second motor are fixedly installed in the car body. The cleaning device comprises a high pressure flexible pipe, a cleaning nozzle, an oscillating rod, a sliding block, a connection rod, a crank handle and a transmission shaft. The sewage precipitation tank online washing machine is reasonable and compact in structure and achieves the effect that a cleaning small car walks and steers and in the tank, and the cleaning nozzle swings in reciprocating mode by controlling the three motors in the sewage precipitation tank online washing machine. Produced sewage is directly absorbed out of the tank through the siphoning effect, so that the sewage precipitation tank online washing machine can conduct online cleaning. The sewage precipitation tank online washing machine is high in working efficiency and reduces labor intensity, safety hazards and manual cost.

A device for preparing magnesium alloy semi-solid slurry by gas stirring comprises a heating insulating device, a stirring gas input device and a stirring device, wherein the heating insulating device accommodates a molten magnesium alloy and keeps temperature of the molten magnesium alloy, the stirring gas input device is connected with the stirring device and inputs stirring gas to the stirring device, and the stirring device is positioned above the heating insulating device and is extended into the heating insulating device. The device provided by the invention applies gas stirring in magnesium alloy semi-solid slurry preparation, and greatly improves the quality of the magnesium alloy semi-solid slurry through combination of actions of gas stirring, local chilling and week mechanical stirring. The device is compact and reasonable in structure, safe in use and convenient in operation; and the prepared magnesium alloy semi-solid slurry has good quality and low cost. The device can be used for efficient and rapid preparation of the magnesium alloy semi-solid slurry, especially suitable for magnesium alloy semi-solid rheological forming.

The invention discloses an adjustable spoiler of a formula racer. The adjustable spoiler of the formula racer is characterized by mainly comprising a main wing and a flap, wherein the main wing and the flap are arranged at an interval; an end plate is connected to each of two ends of the main wing; the arrangement direction of each end plate is in accordance with the traveling direction of the racer; the flap is arranged on the main wing in a mode of being movably supported by a movable supporting point; two end surfaces of the flap are arranged on the end plates in a mode of being movably supported by a bearing; the axis of the bearing and the movable supporting point are not on the same straight line, so that the flap can be controlled by a button operating mechanism to rotate around the axis of the bearing; the button operating mechanism is mounted on a steering wheel and is manually operated by a racing driver. When the racer turns, the attack angle of the spoiler can be increased under the control of the driver, so that the racer turns at a high speed by virtue of the generated negative lift; when the racer straightly runs, the attack angle of the spoiler can be decreased under the control of the driver, and additional air resistance is avoided.

The invention discloses a double-station reciprocating rotary type injection stretch blow hollow forming machine which comprises a host machine and a mould. The host machine comprises a machine frame, a worktable panel, an injecting system, an injection molding and mould locking system, a blow molding and mould closing system, and a stretching device; wherein, the worktable panel is horizontally fixed on the machine frame, the injecting system is horizontally arranged on the machine frame, the injection molding and mould locking system is vertical to the worktable panel, the blow molding and mould closing system is horizontally arranged on the worktable panel, and the stretching device is vertically arranged. The injection molding and mould locking system comprises an upper mould plate, a lower mould plate, a mould locking oil cylinder, a guide post, a rotary driving mechanism, a rotary disc and a core-pumping oil cylinder. The lower mould plate is connected with the upper mould plate by the guide post which vertically penetrates through the worktable panel, the mould locking oil cylinder is fixed below the worktable panel, the piston rod end of the mould locking oil cylinder is connected with the lower mould plate, the rotary disc is arranged at the lower end face of the upper mould plate, and the rotary driving mechanism which is arranged at the upper part of the upper mould plate is connected with the rotary disc in a rotating manner. The rotary disc is driven by the rotary driving mechanism to drive a mouth module I and a mouth module II to carry out reciprocating rotation at 180 degrees in an interval manner, so as to finish station exchanging between blank injection and stretching blow molding, thereby realizing that the two functions of blank injection and stretching blow molding can be finished at the same time.

The invention relates to a full automatic bearing assembly machine, a conveying device of an inner ring and an outer ring, a detecting device of the inner ring and the outer ring, a storing device of the inner ring and the outer ring, a closing device of the inner ring and the outer ring, an assembly device and a control device are sequentially arranged on the upper surface of a frame according to the processing sequence, a first shift sliding block is arranged on a linear guide track in the frame, a shift cylinder is fixed on the first shift sliding block, a telescopic rod is fixedly connected with the frame, curved mounting plates are respectively connected at the front and the back of a guide pole of a two-way cylinder which is fixed above the shift cylinder, the two curved mounting plates are respectively fixedly connected with an outer ring retainer plate and an inner ring retainer plate on the upper surface of the frame, a product shift cylinder is arranged in the position which corresponds to the assembly device in the frame, the product shift cylinder is fixed on a support above the second shift sliding block, the telescopic rod is fixedly connected with a product retainer plate on the upper surface of the frame, and the second shift sliding block is mounted on the linear guide track on the frame and connected with the shift cylinder via a connecting rod. The full automatic bearing assembly machine has reasonable structure, small volume, good running synchronization and high efficiency.

The invention relates to a dual-roller full-automatic hydraulic rolling machine. The dual-roller full-automatic hydraulic rolling machine comprises a feeding device (8), leveling and centering devices (1), a punching device (2), a rolling and forming device (3), a disconnecting device (4), a support (5), an electric motor (6) and a speed reducer (7), wherein the leveling and centering devices (1) are arranged at one side of the top part of the support (5); the punching device (2) is arranged on the support (5) which is arranged between the leveling and centering devices (1); the rolling and forming device (3) is arranged at the top part of the support (5), the rolling and forming device (3) comprises a side board (31), upper rollers (37), feeding rollers (33) and a bending wheel (34), and an output end of the speed reducer (7) is connected with chain wheels which are arranged on upper roller shafts (38); and the disconnecting device (4) is arranged on the front surface of the support (5). According to the dual-roller full-automatic hydraulic rolling machine disclosed by the invention, the functions of leveling and centering, punching, rolling and forming, disconnecting and the like are integrated, the structure is compact and reasonable, the noise is low, the device operation is stable, the production efficiency is high, and the operation is simple.

The invention provides a carbon dioxide capturing and seawater desalting co-production device and method based on a hydrate method, belonging to the technical field of hydrate application. The carbon dioxide capturing and seawater desalting co-production device comprises a gas-water conveying part, a hydrate generation and decomposition control part and a product storing and discharging part. The hydrate generation and decomposition control part comprises a front-grade structure and a rear-grade structure; a hydrate generation condition is gas supersaturation. A first-grade hydrate generates residual gas and decomposed water to be used as second-grade raw materials; after two grades of treatment, fresh water is obtained and stored; N2 is discharged to atmosphere by a gas exhausting safety valve; carbon dioxide is introduced into a gas tank to be stored. The carbon dioxide capturing and seawater desalting co-production device is applicable to the co-production of carbon dioxide capturing and seawater desalting of a fossil fuel power station in a coastal region, so as to meet the requirements of the carbon dioxide capturing of a smoke CO2 / N2 power station; a heat exchanger is used for pre-cooling so that the cold loss is reduced and the energy utilization rate is improved; the reaction speed is increased by high-speed agitation in a hydrate generation process; emissions comprise the N2 and concentrated seawater and have no pollution to the environment.

The invention belongs to the field of flexible electronic product detection associated equipment and discloses a multi-station single-vision AOI (automatic optic inspection) detection platform for flexible displays screens. The platform comprises a feeding and discharging manipulator, an up looking camera, a detection bottom board, an outer cover, a camera guide rail frame, a detection camera, a light emitting component and the like. The feeding and discharging manipulator and the up looking camera are matched mutually to guarantee that to-be-detected flexible display screens are correctly put in detection plates on the detection bottom board. The outer cover is used for providing a hermetical space for detection conditions. The camera guide rail frame and the detection camera are matched mutually to realize high-precision acquisition of front images and lateral images in different angles of the flexible display screens under the action of rotation of the detection plates. The invention further discloses a corresponding detection method. By the multi-station single-vision AOI detection platform and the detection method for the flexible displays screens, a whole multi-station flexible display screen detection process can be executed through one camera. In addition, compared with existing equipment, the platform has advantages of high precision, high efficiency, convenience in operation, high reliability, high adaptability and the like.

The invention provides a coaxial heat exchanger. The coaxial heat exchanger comprises an outer tube and an inner tube which are sleeved coaxially; the main body section of the inner tube is a multi-head spiral tube with a plurality of parallel spiral slot structures; both ends of the inner tube are used as a first fluid inlet and a first fluid outlet respectively; both ends of the outer tube are used as a second fluid inlet and a second fluid outlet respectively; a first fluid passageway is formed in the inner tube; a second fluid passageway consisting of a plurality of parallel spiral slots is formed between the outer tube and the inner tube; the second fluid passageway uniformly encircles the first fluid passageway; first fluid flows into the inner tube and flows out of the inner tube through the first fluid passageway; second fluid flows in the second fluid passageway; and the two kinds of fluid flows reversely so as to exchange heat through the tube wall of the inner tube. The coaxial heat exchanger provided by the invention has a large heat exchange area and high heat exchange efficiency; and the metal consumption of unit heat exchange area is low and the volume of the heat exchanger can be reduced, so the whole structure is compact and rational, and the coaxial heat exchanger is easy and convenient to operate and install.

The invention relates to the technical field of pipeline defect detection and discloses a pipeline defect and magnetic leakage detection device which comprises a central shaft, a magnetic conduction device and a flux leakage detection device, wherein a left leather cup and a right leather cup are fixedly installed at both ends of the central shaft through a flange disc and a pressure plate, the magnetic conduction device which can conduct magnetism to a pipeline to be detected is installed on the central shaft between the left leather cup and the right leather cup, and a flux leakage detection device which can detect magnetic leakage signals is installed at the outer side of the middle part of the magnetic conduction device. The invention has the advantages of reasonable and compact structure and convenient use, and can efficiently magnetize an oil pipe and enhance the magnetization strength of a pipe wall to be detected, thereby greatly enhancing the detection quality of defects of an oil pipeline and being not easy to generate blockage when passing through a variable diameter part of the pipeline because of favorable deformation by arranging a plate spring.

The invention relates to a farmland combination operating machine, and particularly relates to a farmland plastic film residue recycling and packaging combined operating machine capable of picking and packaging earth surface agricultural films and performing combined operation. The farmland plastic film residue recycling and packaging combined operating machine comprises a rack, a drive system and a walking wheel, wherein the rack is provided with a picking mechanism, a demolding mechanism and a packaging mechanism; ground wheels are arranged below the rack; the picking mechanism structurally comprises a roller, elastic teeth and an elastic tooth fixing framework; the roller is in a hollow cylindrical shape; the wall of the roller is provided with a bar-shaped hole; the demolding mechanism structurally comprises a demolding roller, a scraping plate and an arc outer cover; the packaging mechanism structurally comprises a rectangular packaging box body, a hydraulic oil cylinder I, a hydraulic oil cylinder II and a hydraulic oil cylinder III. The farmland plastic film residue recycling and packaging combined operating machine is compact and reasonable in structure, can perform picking and packaging combined operation on the earth surface agricultural films, and is economic and practical.

The invention discloses a high-voltage and high-current right-angle type electric connector, which is particularly applied to hybrid power and electric vehicles. The electric connector consists of a socket component, a jack component and a pulling, drawing and locking device, wherein the included angle between an inlet wire and an outlet wire is 90 degrees. The electric connector has the characteristics of reasonable and compact structure, good shielding property among phase wires, relatively small volume, safe and reliable work, convenience in use and the like.

The invention belongs to the relevant technical field of curved surface object surface patterning, and discloses 3D (3-Dimensional) curved surface electric spray printing patterning equipment. The equipment comprises a work table, a feeding and discharging module, an electric spray printing module, a vision module and a curing module, wherein the work table is in a multi-station turntable form, and executes the switching of all stations through self rotation; the electric spray printing module comprises a plurality of sets of spray printing heads which are sequentially installed one by one in a way of corresponding to a plurality of electric spray printing and procuring stations, and can execute the free posture regulation and the electric spray printing operation of a curved surface; the vision module comprises a positioning camera, a measuring camera, a detecting camera, a base plate observing camera and a jet flow observing camera, and executes high-precision on-line detection on the process link in each station. The invention also discloses a corresponding process method. On the basis of an electrofluid spray printing technology, the characteristics of high flexibility and high-resolution spray printing are realized; the curved surface spray printing can be realized at high quality; the equipment is applicable to patterning of various pattern curved surfaces, typically such as 3D mobile phone cover panel patterning processes.

The invention provides a hydraulic pressure braking clamp device which comprises a clamp base, a brake cylinder, a lever member, a lever pin and a clamp assembly. The brake cylinder mainly comprises a piston member, a push rod assembly, a gate adjustment assembly, a disc spring assembly and a manual adjustment shaft assembly. The clamp assembly mainly comprises a clamp left assembly, a clamp right assembly, a front gate piece and a rear gate piece. The clamp assembly and the brake cylinder are fixedly arranged on the clamp base. The brake cylinder brakes and remits a train brake disc by means of driving of the lever member to the clamp assembly. The hydraulic pressure braking clamp device can automatically adjust braking gaps between the gate pieces of a hydraulic pressure clamp and wheels, is good in adjustment accuracy, high in adjustment efficiency, safe, reliable, and compact in structure, meets railway vehicle installation requirements of lower floor boards, is convenient and fast in replacement of the expendable gate pieces, and saves maintenance time and cost.

The invention belongs to the control field of vibration and noise, and particularly relates to application of a vibration isolating device of a railway vehicle. The vibration isolating device comprises a linkage sleeve and a spring vibration isolator; the linkage sleeve is provided with a supporting stopper block and a jacking stopper block; the linkage sleeve consists of an upper sleeve and a lower sleeve; a detachable linkage mechanism is arranged between the upper sleeve and the lower sleeve; the supporting stopper block is arranged at the upper part of the lower sleeve; the jacking stopper block is arranged at the lower part of the upper sleeve. The split type vibration isolating device solves the problem that the linkage sleeve has a large size caused by the preset jacking installation space in the current vibration damper and cannot be applied to the thinner floating slabs of a railway; the split type vibration isolating device disclosed by the invention has a compact and reasonable structure and low cost, enlarges application range of the vibration isolating device under a track bed, has high practicability and gives considerations to both the economic effect and the environment protecting effect. The split type vibration isolating device disclosed by the invention is applicable to the vibration isolation of floating plates, building floors or equipment bases, in particular to the vibration isolation of metro railways, and can be widely applied to the vibration isolations of rail traffic fields such as railways, urban railways, elevated railways and high speed railways.

The invention discloses a dynamic balance manipulator comprising a pedestal structure. The pedestal structure comprises a pedestal body and a first rotary mechanism. The first rotary mechanism is in transmission connection with a shoulder joint structure. The shoulder joint structure comprises a shoulder joint body and a first swinging mechanism in transmission with an upper arm structure. The upper arm structure comprises an upper arm body and a second swinging mechanism connected with the upper arm body fixedly and in transmission connection with a forearm structure. An elbow joint structure comprises an elbow joint body, a second rotary mechanism and a third swinging mechanism. The second rotary mechanism and the third swinging mechanism are in transmission connection with a wrist joint structure. The wrist joint structure comprises a wrist joint body and a third rotary mechanism in transmission connection with a clamping hand structure. The invention provides a dynamic balance manipulator making the manipulator system reach dynamic balance.

The invention discloses a single-motor double printer head 3D printer head mechanism and belongs to the field of printing devices. The purpose is to provide the single-motor double printer head 3D printer head mechanism which can perform bi-color printing through double printer heads driven by one motor. The motor is installed on a headstock, a driving gear is installed on a motor shaft of the motor and meshed with a left big gear and a right big gear, and a left gear shaft of the left big gear and a right gear shaft of the right big gear are fixed on the headstock; a triangular support is installed at the front end of the motor shaft, a left idle wheel and a right idle wheel are installed on the triangular support, a left clamping wheel is installed on the left big gear, a right clamping wheel is installed on the right big gear, and filaments pass through the space between the right idle wheel and the right clamping wheel and then enter throat tubes of the upper ends of the printer heads, and a support is installed between the bottom of the triangular support and the top of one printer head. The structure is compact and reasonable, operation is convenient and fast, people easily get the hang of the single-motor double printer head 3D printer head mechanism, the structure of one motor and the double printer heads is adopted, in other words, one motor is used for respectively controlling the two printer heads to work in a triangular support linkage mode, and therefore good conditions are created for the bi-color printing.

The invention provides a device and method for 360-degree bottle body production line backlight vision inspection. The device comprises a front inspection station and a back inspection station which are arranged on a conveyor belt of a production line, a first set of cameras, a third set of light sources, a fourth set of cameras and a second set of light sources which are arranged on one side of the conveyor belt of the production line and a second set of cameras, a fourth set of light sources, a third set of cameras and a first set of light sources which are arranged on the other side of the conveyor belt of the production line. According to the device and method, efficient multi-angle photographing of bottle body inspection is achieved, the high-speed exposure characteristics of the industrial cameras and the plane light sources are utilized, vision imaging covering the side face of a bottle body is achieved, industrial defects, such as dirty spots, loss, flashing, deformations and uneven thickness, of the bottle body are highlighted, the two inspection stations are adopted, the space utilization rate is improved, and the structure is compact and reasonable; in addition, through the set photographing order, camera imaging is non-interfering, the device and the method are very suitable for a high-speed integrated machine vision inspection system, and therefore the purpose of efficient inspecting and selecting of the bottle body production line is achieved.

A multifunctional fitness massage rehabilitation chair comprises a base. A plurality of supporting rods for fixing a chair seat are fixedly arranged between the chair seat and the base. Armrests capable of being detached and lifted are installed on the two sides of the upper portion of the chair seat. A shoulder massage assembly for alternate massage is installed on the rear side of a chair back.A lifting back massage assembly is installed in the middle of the chair back. Arm movement assemblies for alternate lifting are arranged on the front sides of the armrests. A leg movement assembly forfront-back alternate moving is arranged on the front side of the upper side of the base. A driving mechanism and a transmission mechanism connected with the driving mechanism are installed at the upper portion of the base. The shoulder massage assembly, the back massage assembly, the arm movement assemblies and the leg movement assembly are all in transmission connection with the transmission mechanism. The multifunctional fitness massage rehabilitation chair is simple in structure and convenient to use; the multifunctional fitness massage rehabilitation chair can be externally driven to effectively train leg muscles and arm muscles of a patient and massage the back and shoulders of the patient, can be operated by one person and provides convenience for postoperative rehabilitation of thepatient.

The invention discloses a preparing device of a shell-core functional material, which comprises a microfluidics integrated chip, a microfluidics drive device and a shell-core functional material collector; the microfluidics integrated chip comprises an outer phase input passage, a middle phase input passage, an inner phase input passage, a double emulsion generating micro structure, and a functional material output passage, and further comprises a bionic splitting array, a dielectrophoresis tuning micro unit, a liquid membrane curing micro unit, a microsphere external surface functionalized micro unit and a functional filler loading and homogenizing micro unit, which are arranged between the double emulsion generating micro structure and the functional material output passage. The preparing device can fully use the space of the microfluidics integrated chip, enables the chip to be compactly and reasonably configured and realizes the aim of fast and efficiently preparing the high quality shell-core functional material, thus greatly improving the preparing efficiency of the functional material under the conditions of ensuring degree of sphericity, concentricity and size uniformity of double emulsion, and realizing scaled and continuous production with excellent controllability.

The invention relates to the technical field of beam-pumping units and discloses a digital automatic control oil pumping method and a mobile balancing digital oil pumping unit. The mobile balancing digital oil pumping unit comprises a main motor, a speed reducer, a crank, a connecting rod, a walking beam, a balance crane arm, a bracket, a mule head, a pedestal, a brake device, a beam hanger, a load sensor, a stroke process measurer, a safety limit device and a digital control cabinet. The mobile balancing digital oil pumping unit enables a mobile weight box to move horizontally on the balance crane arm, automatically balances polished rod load under different working conditions, automatically regulates the stroke times of the oil pumping unit according to the fullness change of a pump, is safe and reliable, facilitates operation, completely develops the oil well yield, improves the balance rate, and realizes energy saving and cost reducing.

The invention relates to a numerical control curve-tooth bevel gear grinder, which comprises a lathe bed, and is characterized by also comprising an upright post, a grinding wheel main shaft box, a workpiece main shaft box, an electric turntable, a grinding wheel correcting mechanism and a numerical control system. The lathe bed in the horizontal direction is provided with linear guide rails vertical to each other, the upright post and a bed saddle are arranged on the linear guide rails respectively, and an upright post automatic moving mechanism is arranged between the bottom of the upright post and the lathe bed; one lateral surface of the upright post is provided with the linear guide rail and the grinding wheel main shaft box, and the same side of the upright posts close to the top is provided with a moving mechanism for driving the grinding wheel main shaft box to move; and the bed saddle is provided with the electric turntable which is provided with the workpiece main shaft box on which the grinding wheel correcting mechanism is arranged. The numerical control curve-tooth bevel gear grinder has the advantages that the grinder simplifies the prior mechanical transmission, shortens adjusting time of a machine tool, has compact and reasonable structure, accurate processing with high accuracy, high automation degree to remarkably improve processing efficiency, and has low manufacturing cost to relieve economic burden of enterprises.

The invention relates to the technical field of shell-cracking devices for nut plant seed shells, in particular to a walnut splitting type shell-cracking kernel-taking machine which comprises a stand, feeding tanks, a material receiving tank, a transmission device, a delivery device, a feeding guide device and a splitting device. The feeding tanks are respectively fixed on the right side and the left side of the upper front part of the stand, the material receiving tank is fixed on the lower rear part of the stand, and the middle part of the stand is provided with the delivery device which can intermittently move. A walnut holding fixture which can fix each walnut and maintain the seam line to be vertical is installed on the delivery device. The invention has reasonable and compact structure, is convenient to use, can accurately position the walnut through the feeding guide device and the holding fixture on the delivery device, and crack the shell in the position perpendicular to the seam line of the walnut through the splitting device; and the mechanical shell cracking of a near-spherical walnut with a projecting seam line can be realized. The invention has the characteristics of high kernel integrity rate, high rate of shell cracking in one step, simple structure, convenient operation and high shell cracking efficiency.

The invention relates to an array substrate, a manufacturing method thereof and a display device. The array substrate comprises a plurality of pixel groups, wherein each pixel group has a plurality of sub-pixels; each sub-pixel comprises a luminous area and a luminous layer deletion area, and a first area is limited by the luminous layer deletion area of the plurality of sub-pixels of each pixel group; a light-sensitive unit is arranged in the first area and is used for generating electrical signals according to the sensed light intensity. By virtue of the technical scheme of the invention, a non-luminous area of each sub-pixel can be fully utilized, i.e., the opening area lost by the sub-pixel is fully utilized, so that the circuit structure in the array substrate is more compact and reasonable, and furthermore the light-sensitive positioning function is also realized.