34results about How to "Reasonable mechanical structure design" patented technology

An automatic seedling picking-out and supplementing operation machine comprises a base, a mounting frame, a control mechanism, two conveying lines, an infrared detector, a photographing assembly, a seedling ejecting assembly, a seedling picking-out assembly and a seedling supplementing assembly, wherein the two conveying lines, the infrared detector, the photographing assembly, the seedling ejecting assembly, the seedling picking-out assembly and the seedling supplementing assembly are connected with the control mechanism. The automatic seedling picking-out and supplementing operation machine is simple in structure and ingenious in design; before seedlings are transplanted and planted, the conditions of seedlings on seedling discs can be automatically shot through cameras, the positions, needing seedling replacement, in the seedling discs are analyzed and recognized, inferior seedlings and matrixes are picked out in time through corresponding seedling picking-out mechanical claws, and recycling and reusing are conducted; and healthy seedlings are transplanted and planted to the missing positions from standby seedling trays through a seedling taking mechanical arm, seedling supplementing is completed, and therefore the transplanting quality and efficiency are guaranteed. The automatic seedling picking-out and supplementing operation machine is high in overall automation degree and good in practical effect.

The invention discloses automatic wallboard demolding, stacking and separating equipment and relates to the field of related machines in the demolding, stacking and separating steps in a wallboard production line. The equipment comprises a demolding device, a stacking device, a turnover trolley and a separator. The demolding device is arranged on the turnover trolley in a horizontal reciprocating moving mode, the stacking device is arranged on the turnover trolley, and the separator is erected on the side in the turnover direction of a turnover frame. The turnover trolley comprises a horizontal base and the turnover frame hinged to the horizontal base. The demolding device comprises a walking mechanism arranged on the turnover frame and a demolding hook driven by the walking mechanism to move on the turnover frame in a reciprocating mode. The stacking device is arranged on the side of the turnover frame. By the adoption of the equipment of the mechanical structure, manual demolding, stacking and separating operation work is replaced with automatic work.

The invention discloses an exchange table of a fiber laser cutting machine. The exchange table comprises a driving module, a worktable and a laser module, all of which are arranged on a main bed body. The driving module comprises a driving motor and a driving chain which are arranged on one side of the main bed body. The driving chain is divided into an upper chain body and a lower chain body with a left gear and a right gear as the end points. The worktable is divided into an upper worktable body and a lower worktable body in a left-right staggered manner. An upper sliding supporting frame is arranged below the lower worktable body. The upper sliding supporting frame is connected into a first chain joint of the lower chain body through a first right-angle connecting piece and is fixed. Upper limiting pulleys are arranged on one side of the lower worktable body. An oblique guide rail is arranged at the position, corresponding to the part below a sliding wheel of the lower worktable body, of the upper sliding supporting frame. According to the exchange table of the fiber laser cutting machine, the oblique guide rail is adopted to be matched with a purely-mechanical structure of the sliding wheel in the exchange process, the problem that pressure releasing and control are not stable in traditional hydraulic exchange is solved, higher stability and the lower failure rate are provided, cost is low, and maintenance is convenient.

The invention discloses an oil peony seed hulling and cleaning device. The oil peony seed hulling and cleaning device comprises a centrifugal hulling device and a cleaning device; the centrifugal hulling device comprises a rack, a cylinder arranged on the rack, a motor arranged on the rack, a cover plate arranged at the top of the cylinder, a feeding pipe arranged above the cylinder and a material outlet formed in the lower part of the cylinder; a centrifugal projecting disc is arranged in the cylinder; a material guide cone is positioned at the position, under the feeding pipe, on the centrifugal projecting disc; the centrifugal projecting disc is mounted on a main shaft and is driven by the motor; peony seeds enter a hulling cavity through the feeding pipe and are hulled; the hulled peony seeds enter the cleaning device through the material outlet to complete the sorting of kernels and shells. The oil peony seed hulling and cleaning device has the beneficial effects that a device special for hulling and cleaning oil peony seeds is provided; the problems in existing peony seed hulling and cleaning are solved effectively; the hulling efficiency of oil peony seeds can be effectively improved; shells and kernels can be separated; the kernel cracking rate is low; the requirements on large-scale production are met.

The invention relates to a vacuum switch arc comprehensive experimental device. The device comprises a vacuum switch arc generating module, a walking shooting module and temperature-magnetic field control modules. The vacuum switch arc generating module is placed on the ground. The walking shooting module is placed at the periphery of the vacuum switch arc generating module. Four temperature-magnetic field control modules are placed at the periphery of the vacuum switch arc generating module. The vacuum switch arc generating module comprises a vacuum hood, a cone base and a power line and also comprises a static contact, a moving contact, an electromagnetic coil, a connecting rod, a supporting rod, a connecting block, a cross bar, a guide rail and a baffle plate. According to the vacuum switch arc comprehensive experimental device, the automatic contact and separation between the moving contact and the static contact are fully realized, and the operation by experimental personnel is not needed. The influence of human factors in the process of arc generation is reduced, and the personal safety of the experimental personnel is effectively protected.

The invention discloses an upper-blowing type film blowing machine for a high-pressure film. The film blowing machine comprises a film blowing device, wherein the film blowing device comprises a fixedfeeding lower section, a connecting rotating disc, a discharging die head and a film blowing cooling mechanism; the fixed feeding lower section comprises a feeding inner core and a feeding heating sleeve, feeding inner core discharging ports are formed in the upper end of the feeding inner core, and feeding inner core feeding ports are formed in the lower end of the feeding inner core; the connecting rotating disc comprises a fixed disc body and a rotating disc body; the discharging die head comprises a discharging fixing inner core, a rotating sleeve and a discharging heating sleeve, whereinthe discharging fixing inner core is connected to the fixed feeding lower section, the rotating sleeve is connected with a rotating mechanism, discharging die head feeding ports are formed in the lower end of the portion between the rotating sleeve and the discharging fixing inner core, annular discharging ports communicating with the discharging die head feeding ports are formed in the upper endof the portion between the rotating sleeve and the discharging fixing inner core, and the discharging die head feeding ports correspondingly communicate with the feeding inner core discharging ports;and the film blowing cooling mechanism comprises an air supply device, air supply pipelines and an air ring. According to the upper-blowing type film blowing machine for the high-pressure film, thinfilm bags produced by the upper-blowing type film blowing machine are more uniform in thickness and better in texture, and the mechanical structure is reasonable in arrangement.

The invention discloses a building sunshine simulation device, comprising a pair of circular guide rails, a light-emitting device, an intermediate support used for bearing the circular guide rails, and a base. The circular guide rails comprise outer circular guide rails and inner circular guide rails; the outer circular guide rails are arranged outside the inner circular guide rails, and rotate relative to the inner circular guide rails; the inner circular guide rails are in fixed connection with the intermediate support; the light-emitting device is in fixed connection with the outer circular guide rails; the intermediate support and the base are in movable connection through a linkage mechanism; the linkage mechanism is used for adjusting the inclination angle of the intermediate support relative to the base. According to the invention, the light-emitting device simulates sunshine, and shortens the distance between a light source and a model to be measured; the circular guide rails rotate to simulate the azimuth of the sun; the intermediate support and the base form the inclination angle on the plane vertical to the ground to stimulate the elevation angle of the sun. The building sunshine simulation device can accurately stimulate the locus of the sun, and perform building sunshine simulation, and possesses the advantages of small size, compact structure, accurate simulation, etc.

An engine suspension assembly adopting a bracket for limiting comprises a suspension rubber washer assembly and a suspension bracket which are mutually connected, wherein the suspension rubber washer assembly comprises an upper framework, vulcanized rubber and a lower framework, and the upper framework and the lower framework are integrated through the vulcanized rubber; the suspension bracket comprises a bottom bracket, a limit frame and a mounting base; the limit frame is fixedly connected with the bottom bracket through the mounting base; the bottom bracket is connected with the bottom of the upper framework through the lower framework and the vulcanized rubber sequentially; and the top of the upper framework is in limit match with the limit frame. The engine suspension assembly is good in mechanical performance and high in mechanical strength, and can be applied to heavy vehicles such as a commercial vehicle and the like; and the limiting devices all adopt soft contact, so that effective vibration isolation and vibration reduction are realized, the service life of the suspension device is prolonged, and the comfort degree of a whole vehicle is improved.

The invention discloses a goods packing device and packing method for low-altitude air drop, belongs to the field of low-altitude air drop of goods, and solves the problem of goods damage caused by landing impact force of direct air drop to the ground to a greater extent. The device comprises L-shaped damping protective angles made of nitrile rubber materials, a compressed air box, flexible PVC spheres, disposable rubber rings and an air extracting device; the L-shaped damping protective angles are bonded at eight corners of a rectangular goods packing box through gum, adapt to the corners ofthe rectangular goods packing box in shape, and are formed by vertically connecting edges of three L-shaped nitrile rubber materials; and the compressed air box is fully filled with compressed air with a certain pressure, and is provided with air inlet holes and air outlet holes in two opposite surfaces to greatly reduce the damage to goods by the landing impact force.

The invention discloses a hydraulic drive pressure reducing valve for a wind tunnel. The hydraulic drive pressure reducing valve for the wind tunnel comprises an air inlet, an air outlet, a valve body (6), a closing piston (12), a pressure adjusting piston (5), a rod (16), an oil pipe mouth (22) and a plate base (17). The pressure adjusting piston (5) includes a piston body (51), plates (52), gaskets (53), nuts (54), seal rings (55, 56) and an upper cover (57). The closing piston (12) comprises a cover (128), inner pistons (127), outer pistons (126), roller bodies (122) and a filler neck (1216). According to the hydraulic drive pressure reducing valve for the wind tunnel, the profile curves of the plates are designed to be elliptic characteristic curves, and therefore the pressure reducing valve in the working state is enabled to obtain linear or close to linear regulating characteristics. Meanwhile, the hydraulic drive pressure reducing valve for the wind tunnel has the advantages of being good in airflow symmetry properties, wide in adjusting range, short in time of full opening and full closing , and capable of completing a wind tunnel blowing experimental task with a mach number range of 5-8.

The invention relates to a multifunctional dual-layer parking system based on bicycle sharing. The system is composed of a mechanical device, a power device, a lighting device, a control device and a solar power generation device; the mechanical device comprises a screw and nut transmission mechanism, a guide rail sliding block mechanism, a telescopic transmission mechanism, a transmission rotating disc, a frame, a clamping mechanism, a main support, an upper layer bottom plate, a middle layer bottom plate, a movable middle layer bottom plate and a lower layer bottom plate; the power device comprises steeping motors arranged at the vertical position of the screw and nut transmission mechanism and a direct-current motor arranged in the lower layer bottom plate; the lighting device is a streetlamp load mounted on the upper layer bottom plate, the control device comprises a single chip microcomputer and a control circuit which can control the stepping motors to transmit and the direct-current motor to rotate, and the solar power generation device comprises a solar cell set, a controller, a storage cell and an inverter. A car shed, a streetlamp, and the solar power generation device are integrated, the rising and falling manner is simple, control is easy, safety is high, and the space utilization rate is high.

The invention discloses an assembled puzzle building block magic card. The cubic magic card comprises a short edge plug and a long edge plug. The short edge plug is inserted in a corresponding short edge slot of the neighboring card, and the long edge plug is inserted in a corresponding long edge slot of the neighboring card. A height difference of a thickness forms a convex tenon and a concave mortise. The triangular pyramid magic card comprises a first side face short edge plug, a first side face long edge plug and a first bottom face short edge plug. The first side face short edge plug is inserted in a bottom face short edge slot. The first side face long edge plug is inserted in a bottom face long edge slot. The first bottom face short edge plug is inserted in a first side face short edge slot. A second bottom face short edge plug is inserted in a second side face short edge slot. A second side face short edge plug is inserted in a third side face short edge slot at the other sideface. A second side face long edge plug is inserted in the other side face long edge slot. The magic cards are folded as building blocks, and the building blocks are used for splicing and assembling,so functions of environment protection, portability, easy storage, infinite splicing, reshaped creation and rediscovery are realized.

The invention discloses a laser rotating direct-exposure imaging device and method used for a revolution surface. The laser rotating direct-exposure imaging device comprises a rotating spindle for driving a workpiece to continuously rotate, a laser, an axial moving trolley for driving the laser to move back and forth, a vertical moving supporting plate for adjusting the spacing between corresponding exposure points on the outer surfaces of the laser and the workpiece, and a laser beam projection direction adjusting part installed on the vertical moving supporting plate. The method comprises the steps of: 1. establishment of a three-dimensional model of the revolution surface; 2. determination of control parameters of a mechanical structure; 3. determination of control parameters of the laser; 4. treatment on the outer surface of the workpiece to be machined; 5. installation of the workpiece and the laser; and 6. exposure imaging. The laser rotating direct-exposure imaging device and method are reasonable in design, low in input cost, simple and convenient to use and operate, good in using effect and wide in application range, and can effectively solve the problems of poor diagram accuracy, low repeated accuracy, low machining efficiency, high rejection rate, incapability of machining complex revolution surfaces and the like of a conventional revolution surface chemical etching method.

The invention discloses a rolling linear guide rail pair walking precision measuring device and measuring method, and the device comprises a bed body part which is used for supporting a to-be-measuredrolling linear guide rail pair and other parts, and providing a measurement reference; an air floatation driving part which is used for driving the sliding block driving part to move in the axial direction of a guide rail of the to-be-tested rolling linear guide rail pair; a sliding block driving part which is used for driving a sliding block of the rolling linear guide rail pair to be measured and the guide rail pair measuring part to move along the axial direction of the guide rail; and a guide rail pair measuring part which is used for measuring the walking precision of the sliding block in the moving process. The method is achieved based on the device, and the height and size deviation of the sliding block top face relative to the guide rail bottom face benchmark and the width and size deviation of the sliding block side face relative to the guide rail side face benchmark in the rolling linear guide rail pair can be obtained. The device provided by the invention is simple in structure and measurement method, small in friction force in a part movement process, relatively small in influence of environmental factors on a measurement mode, small in error of a final measurement result and high in precision, and has a wide application prospect.

The present invention discloses a miniature probe illuminometer. The miniature probe illuminometer comprises fibers, a lens and a photoelectric sensor according to an optical signal transmission path. The fibers, the lens and the photoelectric sensor are fixed within a fixed component along the axial direction according to the optical signal transmission path. The illuminometer can directly realize the luminance test in a narrow space. The optical conduction design is employed to separate the photoelectric sensor and a fine fiber-optics probe to allow a measured light ray to be subjected to conduction of the fibers and divergence of the lens to enter the photoelectric sensor so as to output electric signals to output an illuminance value. The probe end of the fiber is only the size of the section of the fibers, the measured light ray is conducted through fibers to the lens and is subjected to divergence of the lens to enter the photoelectric sensor, the photoelectric sensor outputs electric signals, the electric signals are transmitted to the illuminometer host through wires, and the illuminometer host displays and outputs the illuminance value.

The invention relates to the technical field of passive balancers, particularly to a rotary type step-by-step balancer and a preparation technology thereof. The rotary type step-by-step balancer comprises a bottom printed board, a three-reed connector component, a top rotary printed board, a face gear with a shaft, an end face positioning reed and a shell shaft sleeve and is characterized in that the three-reed connector component and a balancer peripheral circuit are arranged on the bottom printed board; the top rotary printed board is arranged at the top of the bottom printed board; the reeds of the three-reed connector component are in contact with the electrical contact point bonding pad of the electrical resistance attenuation network of the top rotary printed board; the top rotary printed board is provided with the face gear with the shaft; a spindle is arranged at the bottom of the face gear with the shaft; the bottom of the spindle inserts into the circular holes of the top rotary printed board and the bottom printed board. Compared with the prior art, the rotary type step-by-step balancer integrates 16 types of pad values into one balancer, facilitates production and field debugging of equipment, has a novel structure and complete functions, is reasonable in mechanical structural design and convenient to process, and can be produced in large batches.

The invention discloses an intelligent sky rail system applied to walking protection of a foot-type robot, and the system is characterized in that the system comprises a moving module and a driver, and the moving module comprises a longitudinal guide rail disposed at the top of a testing space of the foot-type robot; the transverse guide rail is arranged on the longitudinal guide rail and driven by a longitudinal movement driving unit to move along the longitudinal guide rail; the sliding trolley is arranged on the transverse guide rail and is driven by a transverse movement driving unit to move along the transverse guide rail; the sliding trolley is provided with a traction rope driving unit, a rotating disc driven by the traction rope driving unit to rotate, a traction rope connected with the rotating disc and a pulley, and the traction rope penetrates through the pulley to be connected with the foot type robot. According to the intelligent sky rail system provided by the invention, the overall mechanical structure design is reasonable, so that the sky rail system moves independently in all directions, and the work is more stable and reliable.

The invention relates to the technical field of the teaching and practical training platform, in particular to a multi-mode sorting practical training platform under modular PLC controlling. With a sensor as an identification component and a PLC as a control component, sorting of a metal material, a magnetic material and a plastic material is realized; and the high-efficiency and stable automaticmaterial supply and circulation operation functions are realized. According to the invention, the platform comprises a frame; a table board is arranged on the frame; a plate is arranged in the middleof the frame; a baffle is arranged on the frame at one side of the plate; a conveyor belt system, a feeding machine, a sorting system, a single-phase alternating-current motor, a switch box, an indication lamp, a solenoid valve, a touch screen, and a speed regulator are arranged on the table board; the feeding machine and the sorting system are arranged at the side of the conveyor belt system; andthe single-phase alternating-current motor provides power for the conveyor belt system.

The invention discloses a step pitch changing mechanism which comprises an eccentric device, a single-step and double-step changing component and a drawing shaft component, wherein the eccentric device comprises a connecting rod, the upper end of the connecting rod is connected with the eccentric component through a bearing, the lower end of the connecting rod is connected with the single-step and double-step changing component, the single-step and double-step changing component comprises a first cylinder and a second cylinder, the upper end of the first cylinder and the upper end of the second cylinder are connected with the connecting rod of the eccentric device through connecting pieces, the lower end of the first cylinder and the lower end of the second cylinder are connected with a rocking rod, the drawing shaft component comprises a rotary shaft connected with the rocking rod of the single-step and double-step changing component, a machine frame playing a role in fixing is installed on the rotary shaft, the rotary shaft is connected with a link gear converting the rotation of the rotary shaft into rectilinear motion, and the connecting rod is divided into an upper section and a lower section which are connected with each other. The step pitch changing mechanism is reasonable in structure and capable of greatly improving accuracy of step pitch changing, consecutiveness of step pitch changing, and production efficiency.