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 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.

A disk-type polishing machine belongs to the machining machine for polishing and coloring a plate with a painted surface. The disk-type polishing machine adopts a conveying power device to drive a conveyor belt to move, a stander is provided with three disk-type polishing devices and two brush coloring devices, working positions of the three disk-type polishing devices and the two brush coloring devices are respectively adjusted by own adjusting mechanism, and a guiding rule and a guiding rule air cylinder for adjusting the position of the guiding rule are arranged on the inner side of the stander and above the conveyor belt. The polishing machine substitutes a manual way for processing the surface of the plate after the rolling coating procedure in the production process of most floors, so that the manpower is saved, the working efficiency is increased, and the production cost is reduced. In addition, convenience in operation is realized, the mechanical structure design is reasonable, pneumatic operation, electric operation and manual operation are combined together, and the automation level of the floor machining line is increased. When a ribbon gauze on a polishing plate is worn to scrap and needs to be replaced, only a push-pull valve needs to be pressed manually, the entire polishing plate can be automatically raised, and convenience in replacement can be realized.

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 relates to a wearable portable power exoskeleton hand function rehabilitation training device, which comprises a palm plate, a shell, five fingers, a bionic tendon connecting rod assembly, a driving push rod and a linear push rod motor assembly. The linear push rod motor assembly is fixed on the palm plate, and is respectively connected with the five fingers through the driving push rod and the bionic tendon connecting rod assembly fixed on a finger root fixing seat to form a finger driving mechanism. The device is powered by two linear push rod motors which respectively drive the four fingers and the thumb, a driving mode is greatly simplified, and the number of the used motors is reduced; and the device is simple in structure and easy to use. A hand exoskeleton part well clings to a palm of a patient, a good bionic effect is achieved, and the rehabilitation training of the patient with impaired hand functions can be well carried out by the device. Owing to the design of a position-adjustable finger bandage system, the wearing mode of the device can be flexibly adjusted according to the sizes of the hands of the patient, and the device is not required to be tailor-made specially, and has high practicality.

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.

An electric peony pod picking machine, including a body, a peony pod conveying pipe and a peony pod collection bag, a peony pod collection mechanism and a power mechanism for driving the collection mechanism are installed on the body, and the movable blade is located between the fixed blade and the pressure plate Between them, the movable blade is installed on the small shaft, the fixed blade and the pressure plate are fixed on the machine body, the two ends of the connecting rod are respectively hinged with the small shaft and the driving wheel, and the rotation of the driving wheel drives the small shaft to reciprocate to realize the moving blade The reciprocating motion between the fixed blade and the pressing plate is used to collect the peony pods. One end of the peony pod delivery pipe is connected to the body, and the other end is connected to the peony pod collection bag, so as to realize the collection of the peony pods collected by the collection mechanism and transport them to the peony seeds. Store in pod collection bags. The invention has light weight, only a few parts, small volume and low noise, is driven by a DC motor, and has a reasonable mechanical structure design.

The invention relates to the technical art of passive attenuators and specifically relates to a rotation type step attenuator and a production process thereof. The rotation type step attenuator comprises a bottom printed board, a three-reed connector assembly, an upper rotation printed board, a belt shaft face gear, an end face positioning reed and a shell shaft sleeve and is characterized in that the three-reed connector assembly is arranged on the bottom printed board, the upper rotation printed board is disposed at the top of the bottom printed board, a reed at the top of the three-reed connector assembly contacts with a resistance attenuation network electrical contact spot welding disk at the bottom of the upper rotation printed board, the belt shaft face gear is arranged at the top of the upper rotation printed board, a rotation shaft is mounted at the bottom of the belt shaft face gear, and the bottom of the rotation shaft is inserted into round holes of the upper rotation printed board and the bottom printed board. Compared with rotation type step attenuators in prior art, the rotation type step attenuator has the advantages that sixteen kinds of attenuation values are integrated in one attenuator, so that great convenience is brought to production and field debugging of devices; and the rotation type step attenuator has the advantages of being novel in structure, complete in function, small in size, reasonable in mechanical structure design, convenient to process, and applicable to mass production.

The invention discloses a reliability test device of ball screw pairs. Tested lead screws are supported by the two ends of a lead screw supporting unit, a loading mechanism is connected with two nuts of each tested ball screw pair through a tool, internal pulling / pressing loads are exerted between the two nuts on each tested ball screw pair, and the loading force is measured in real time through a pulling and pressing force sensor. The tested ball screw pairs are driven by a variable frequency motor to positively and negatively rotate to drive the loading mechanism to perform the reciprocating motion on a machine body, and reliability testing and measuring on the whole lengths of threads of the ball screw pairs are accordingly completed. The operation states of the tested lead screws in the testing process are monitored in real time through a dynamic torque sensor, a noise sensor and a vibration sensor to judge whether a test is continuously carried out. By means of the reliability test device, the reliability of the ball screw pairs can be tested, the three or less tested lead screws can be simultaneously driven to conduct the test, the efficiency is high, and test data are real and reliable.

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 a rolling linear guide rail pair walking accuracy measuring device and a measuring method. The device includes a bed body part, which is used to support the rolling linear guide rail pair to be measured and other parts, and provides a measurement reference; an air-floating drive part is used to drive the The slider driving part moves axially along the guide rail of the rolling linear guide pair to be tested; the slider driving part is used to drive the slider of the rolling linear guide pair to be tested and the guide rail pair measuring part moves along the guide rail axial direction; the guide rail pair measures Components used to measure the walking accuracy of the slider during motion. The method is realized based on the above-mentioned device, and the height and size deviation of the top surface of the slider relative to the bottom surface of the guide rail in the rolling linear guide pair, and the width and size deviation of the side of the slider relative to the side reference of the guide rail can be obtained. The device structure and the measurement method of the invention are simple, and the friction force is small during the movement of the parts, the measurement method is less affected by environmental factors, the error of the final measurement result is small, the precision is high, and it has broad application prospects.

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 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 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 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.

A bracket-limited engine suspension assembly, including a suspension cushion assembly and a suspension bracket connected to each other, the suspension cushion assembly includes an upper skeleton, vulcanized rubber and a lower skeleton, the upper skeleton The vulcanized rubber and the lower frame are vulcanized into one; the suspension bracket includes a bottom bracket, a limit frame and a mounting seat, the limit frame is fixedly connected with the bottom bracket through the mounting seat, and the bottom bracket passes through the bottom bracket in turn. The frame and the vulcanized rubber are connected with the bottom of the upper frame, and the top of the upper frame is limitedly matched with the limit frame. This design not only has good mechanical performance and high mechanical strength and can be applied to heavy vehicles such as commercial vehicles, but also the limit devices are all soft-contact, effective vibration isolation and vibration reduction, which prolongs the service life of the suspension device and improves the comfort of the vehicle .

The invention discloses an active suspension actuator, a system and a control method for self-adapting adjustment of body attitude. In the active suspension actuator, the oil storage inner chamber communicated with the rod-mounted recovery chamber is connected with the inner accumulator via the inner oil circuit through the inner throttle valve, and the oil storage outer chamber communicated with the rodless compression chamber The outer throttle valve is connected to the outer accumulator through the outer oil circuit. There is an unloading valve between the recovery chamber and the compression chamber. The inner oil circuit and the outer oil circuit are respectively connected to the two oil ports of the hydraulic pump. The pump is coaxially connected; the active suspension system includes an active suspension actuator, a controller connected to the motor in turn, and a road surface roughness detection unit; the control method includes driving the vehicle to a road surface bump or a road surface pit, and the wheel The process of controlling the attitude of the vehicle body by the active suspension actuator when it is impacted. The invention actively changes the action of the pressure control actuator in the two chambers of the actuator working cylinder under the excitation of the unevenness of the road surface, and realizes the active adjustment of the posture of the vehicle body.