348results about How to "Automatic height adjustment" patented technology

The invention relates to the technical field of steel cylinder girth welding, and specifically relates to an automatic steel cylinder girth welding device. The automatic steel cylinder girth welding device comprises an operation table, wherein an opposite driving assembly is arranged at the bottom of the operation table; the opposite driving assembly comprises two movable bottom plates; a movablenotch used for allowing each movable bottom plate to move is formed in the operation table; a rotary table is arranged at the top of each movable bottom plate; a left side rotating assembly and a right side auxiliary rotating assembly are arranged on the two rotary tables correspondingly; clamping jaw assemblies are arranged at the adjacent ends of the left side positioning rotating assembly and the right side rotating assembly correspondingly; lifting adjusting assemblies are arranged above the left side rotating assembly and the right side auxiliary rotating assembly correspondingly; a vertical support is arranged between the two clamping jaw assemblies; and a welding gun capable of lifting is arranged on the vertical support. According to the device, the height of each steel cylinder needing to be welded can be adjusted correspondingly, butt joint is automatically carried out, the height of the welding gun can be automatically adjusted, and the welding precision is improved.

The invention relates to the tunnel construction machine, in particular to a movable tunnel detection arm, which consists of a roller, a radar bracket, a two-position damping directional node, a controllable telescopic rigid rod, a lead screw, a lead screw driving device, a damping directional node, a transverse rotating driving device, a longitudinal rotating driving device and a radar antenna. The invention has the advantages of simple structure and full-automation or remote control operation so that the radar antenna and a tunnel lining face are kept on the same plane in the transverse direction and the longitudinal direction. In this way, the stable and improved detection quality of the radar antenna on the tunnel lining face can be ensured.

The invention discloses a bridge facility, which comprises a base body, a liquid storage tank arranged on the top left side of the base body, and a cleaning device arranged on the top right side of the base body. The extension section at the bottom of the cavity extends into the base, and the liquid storage cavity is rotated and connected with an agitating member. The base below the liquid storage cavity is provided with a first hollow cavity, and a transmission device is arranged in the first hollow cavity. There is a guiding cavity in the base on the upper side, and a second hollow cavity in the base on the right side of the guiding cavity. The bottom of the guiding cavity is penetrated with a sliding groove extending left and right, and the left end of the sliding groove extends through the right side of the first hollow cavity. The inner wall is set through and through, and the end of the right side of the sliding groove extends through the left inner wall of the second hollow cavity and is set through; the invention has simple structure, convenient operation, improved service life and cleaning efficiency, reduced workload, and can automatically control height adjustment.

The invention discloses a crawler-type pipeline robot, comprising a vehicle body, a walking mechanism, a cleaning mechanism and an electronic control system. The walking mechanism comprises two crawler-type walking wheels, two crawler-type pressing wheels and two wheel grooves, wherein the crawler-type walking wheels are arranged on two sides below the vehicle body, the crawler-type pressing wheels are arranged within the wheel grooves, the two wheel grooves are separately connected to the two sides of the upper portion of the vehicle body through telescopic rods, and each telescopic rod is sleeved with a spring. The crawler-type pipeline robot can perform long-distance walk within a pipeline stably, and carry out pipeline exploration and cleaning work effectively.

The invention relates to a baseless light inspection machine for freeze-dried vials. The machine comprises a frame system; a vial head checking system, a spindle turret system, a following camera system and a discharging system are controlled by a control system; detected vials are fed from a bottle feeding system; after head defects of the vials are detected by the vial head checking system, the vials are transmitted to the spindle turret system; and the vials are respectively output into different product trays through a bottle discharging system after a series of detecting items in the spindle turret system through the cooperation with the following camera system. The machine is characterized in that the feeding system, the vial head checking system, the spindle turret system, the following camera system and the discharging system are directly mounted on a main soleplate of the frame system; and the following camera system is fixedly connected with the main soleplate. The light inspection machine has the advantages of reducing the detecting technique, simplifying the mechanical structure and comprehensively detecting the vials.

The invention discloses a full-automatic high-low rotating adjustable LED table lamp which comprises a base. An upper joint pin is fixed to the middle part of the top face of the base. A middle shaft is hinged to the top end of the upper joint pin. A lamp connecting base is fixed to the top end of the middle shaft. A transmission gear is fixed to the middle shaft. A horizontal connecting plate is fixed to the outer side wall of the upper joint pin. A rotating motor is fixed to the bottom face of the horizontal connecting plate. An output shaft of the rotating motor penetrates through the horizontal connecting plate and is further fixedly connected with a drive gear. The drive gear is engaged with the transmission gear. An upper adjusting shell is fixed to the top face of the lamp connecting base, and a vertical screw rod is arranged in the upper adjusting shell. The upper end of the vertical screw rod is hinged to a top plate of the upper adjusting shell, and the bottom end of the vertical screw rod is hinged to the top end face of the lamp connecting base. The top plate of the upper adjusting shell is fixedly connected with a lifting motor. The full-automatic high-low rotating adjustable LED table lamp is placed on a writing desk, the height of an LED lamp body can be adjusted automatically, the LED lamp body can be rotated automatically, and thus different radiating requirements can be met.

The invention belongs to the technical field of medical apparatus and instruments, particularly relates to a rehabilitation leg training device for neurology department, and aims to solve the problemsthat an existing rehabilitation leg training device is simple in structural design, single in function, poor in training effect and incapable of providing good treatment experience for patients. According to the technical scheme, the rehabilitation leg training device comprises a hollow base and is characterized in that universal wheels are fixed at the four corners of the bottom outer wall of the base through screws, a motor box is fixed to the top inner wall of the base through screws, a rotating motor is connected to the bottom inner wall of the motor box through screws, a rotary disc sleeves the output shaft of the rotating motor, and a first hydraulic cylinder is fixed to the top outer wall of the rotary disc through screws. The rehabilitation leg training device has the advantages that the patients are prevented from being injured, training comfortableness is increased, the device is powerful in function, patient training experience is improved, the use requirements of the patients are satisfied, device stability is increased, and the device is high in safety performance, capable of intensifying the training effect and capable of helping the fast rehabilitation of the legs of the patients.

The invention discloses a corrugated board digital printing machine, which comprises a rack, wherein the side surface of the rack is provided with a control panel, and the external part of the rack is provided with a machine shell. The corrugated board digital printing machine is characterized in that the middle part of the rack is provided with a printing guide rail beam, the bottom part of each connecting frame at two ends of the printing guide rail beam is provided with a printing beam upgrading cam, the printing guide rail beam is slidably connected with a printing trolley, the internal part of the printing trolley is provided with a printing spray head, the printing trolley is driven by a printing X-axis motor, and one end of the printing guide rail beam is provided with an ink warehouse. The corrugated board digital printing machine does not need to be washed, does not need board manufacturing or film delivering, adopts a one-time printing mode, and can reach up to 1.2 meters per second in speed. The corrugated board digital printing machine can adjust the height of the spray head automatically according to the material thickness, and can clean and wipe the spray head in a full-automatic manner.

The invention relates to a pillow with an adjustable height. The pillow comprises a head supporting plate, a neck supporting plate, a base plate and a controller, wherein a head lifting device for adjusting the height of the head supporting plate is arranged between the head supporting plate and the base plate; a neck lifting device for adjusting the height of the neck supporting plate is arranged between the neck supporting plate and the base plate. The pillow also comprises a signal detection device for detecting the contact area between a body back and a rest platform, and the controller is connected with the signal detection device, the head lifting device and the neck lifting device respectively. By adopting the pillow disclosed by the invention, the signal detection device is used for detecting the signal of the contact area between the body back and the rest platform and feeds the signal back to the controller, and then the controller judges whether a body lies on the back or lies on a side of the body according to the detected contact area. The controller can automatically adjust the height of the pillow according to the side-lying or back-lying state of the body so as to meet requirements for different pillow heights when the body is in a side-lying or back-lying state.

The invention relates to the technical field of bathroom accessories and discloses an intelligent shower. The intelligent shower comprises a vertical connecting rod. A first connecting base, a second connecting base and a third connecting base used for being connected with a wall are arranged at the upper end, the middle and the lower end of the connecting rod respectively. A plurality of infrared inductive probes are arranged on the outer side face of the connecting rod at equal intervals and located between the first connecting base and the second connecting base, and the distance between every two adjacent infrared inductive probes is 5-15 cm. A shower pedestal is arranged on the connecting rod, and the shower pedestal is in sliding connection with the connecting rod. A shower head is arranged on the shower pedestal, the shower head is connected with the shower pedestal through an angle adjustment mechanism, and the shower head is connected with a water valve through a flexible water pipe. A rising and descending driving mechanism for driving the shower pedestal to slide is arranged between the first connecting base and the second connecting base. The intelligent shower has the advantage that the height of the shower head can be automatically adjusted according to the height of a user, so that convenience and comfort level are improved during showering.

The invention discloses an automatic device for degreasing of an air conditioner heat exchanger core body and an application method thereof, and belongs to the technical field of air conditioner heat exchanger core body manufacture. The automatic device comprises a plurality of centralizing trays for heat exchanger core bodies to be degreased, a reverse line, a destacking chain accumulation line, a visual imaging device, a robot, a gripping apparatus and the like, wherein the robot and the gripping apparatus are arranged in the center of the automatic device; the visual imaging device is arranged above the front ends of the robot and the gripping apparatus; the reverse line is arranged on the right sides of the robot and the gripping apparatus; the centralizing trays are arranged on the reverse line; the centralizing trays are used for laying the heat exchanger core bodies. The automatic device utilizes the visual imaging device, the robot and the gripping apparatus to replace manual labor to carry the heat exchanger core bodies to be degreased under the condition that the original production technical processes are not changed, adopts a specific operation method to achieve purposes of improving the device production efficiency, lowering the labor intensity and ensuring the quality of products, and is significant in effect.

The invention discloses a workpiece processing table device which comprises a processing table, wherein a cavity is formed in the processing table; slip grooves are formed in inner walls of two sides of the cavity; positioning plates are arranged at the upper side ends of the slip grooves; a sliding table is arranged in the cavity; two side ends of the sliding tables are arranged in the slip grooves and are in slip connection with the slip grooves in a matched manner; a push-press device is arranged at the bottom of the sliding table; an assembling cavity is formed in the sliding table; a placement groove is formed in the midpoint of the bottom of the assembling cavity; translation cavities are formed in the sliding table in the top end of the assembling cavity in a left-right equal manner; and sleeve shells are arranged in the translation cavities and stretch up and down along the translation cavities. The workpiece processing table device is simple in structure and convenient to operate, and can automatically adjust height and automatically move a workpiece out to greatly improve the working efficiency.

The present invention relates to the technical field of sanitary products, in particular to an automatic lifting and rotating shower nozzle, including a nozzle, a nozzle, a slide rail, a fixing seat, a universal joint, a driving motor, a single-chip microcomputer and a human body sensor. One end of the spray pipe is connected, the slide rail is fixed on the wall of a bathroom along a vertical direction, the drive motor is fixed on the wall of a bathroom, and the fixing seat is slidably connected with the slide rail to move along the The slide rail slides, the universal joint is rotatably installed on the fixed seat, the nozzle is connected to the fixed seat through the universal joint, the single-chip microcomputer and the human body sensor are both Installed in the nozzle, the single-chip microcomputer is electrically connected to the human body sensor, the driving motor is electrically connected to the single-chip electromechanical, and the fixing seat and the universal joint are both electrically connected to the driving motor connect. The automatic lifting and rotating shower head of the present invention can automatically adjust the height and angle of the shower head.

The invention discloses a novel transfusion stand which is convenient for height adjustment, comprising a support column, an infusion rod, an external thread, a base, a storage battery, a connecting rod, a roller, a motor switch, an inner cavity of a support column, an internal thread, an elastic spring, a pressure sensor, Controller, connection block, motor, rotating shaft, circular rotating block, fixed block, rotating block, suspension plate, support plate, through hole, hook, infusion bottle, infusion bottle fixed cylinder, fixed plate, arc-shaped fixed plate, tight Set screw, infusion tube, infusion tube card slot, heating rod, heat-conducting silicone sleeve and heating rod switch. This kind of infusion stand that is easy to adjust the height has a reasonable structure. Through the set infusion bottle fixing cylinder, support plate, suspension plate and hook, it is ensured that the infusion stand can be suitable for hanging infusion bottles and infusion bags. Some set screws and arc-shaped fixing plates are convenient for placing different types of infusion bottles, which saves the process of configuring infusion bottle straps and is easy to use.

The invention discloses a high-clearance self-propelled lance boom spraying device, which belongs to a planting machine. The invention solves the drawbacks of low ground clearance, poor liquid medicament spraying effect, large volume, high weight and incompetence of meeting requirements of modern agriculture of the lance boom spraying device in the prior art. The high-clearance self-propelled lance boom spraying device mainly comprises a vehicle frame, and a cab, a power system, a spray system, a spray system suspending bracket, an oil tank, a medical tank, a headlight and tail lamps, which are arranged on the vehicle frame; the power system comprises a motor, a duplicate gear pump, a hydraulic driving device and wheels; the spray system comprises a spray pump and a spray lance, and a spray lance is provided with a nozzle; the spray system is arranged on the spray system suspending bracket; and the vehicle frame comprises a front vehicle frame and a rear vehicle frame which are connected by a steering and hinging device. The high-clearance self-propelled lance boom spraying device is mainly used for spraying liquid medicament on crops and particularly preventing and controlling pests in long-stalk crops such as corn, broomcorn and the like.

The invention discloses a collar pressing machine capable of fine-tuning up and down automatically, comprising a frame, a vertical plate is fixed on the top surface of the frame, an upper connecting block is fixed on the upper part of the vertical plate, and the top surface of the upper connecting block A telescopic cylinder is fixed in the middle, and the push rod of the telescopic cylinder passes through the upper connection block and is fixed with an upper pressing block. The middle part of the top surface of the frame is fixed with a lower buffer elastic block, and the top surface of the lower buffer elastic block is pressed against a lifting plate. The top surface of the lifting plate is provided with a lower pressing block, the top surface of the lower pressing block is an arc surface, the lower protective layer is fixed on the arc surface, the middle part of the bottom surface of the upper pressing block has an arc groove, and the bottom surface of the arc groove The upper protective layer is fixed, and the upper protective layer corresponds to the lower protective layer up and down. The top plate of the rack on both sides of the lifting plate is fixed with a vertical support plate. It can be pressed at one time, with good effect and high efficiency. At the same time, its The height of the lower pressing block can be automatically adjusted to meet the pressing needs of collars of different thicknesses.

The invention discloses an air-ground dual-purpose rotor aircraft, and aims to solve the problems that an aerial investigation unmanned aerial vehicle cannot know ground conditions in detail, and maneuverability and obstacle avoidance capacity of an existing ground detection robot are poor. The air-ground dual-purpose rotor aircraft comprises a carrier plate and a rotor deformation arm, the rotor deformation arm comprises a first deformation block, a second deformation block, a third deformation block, a fourth deformation block, a motor base, a dual-purpose wheel wing, a first driving part, a second driving part, a third driving part, a fourth driving part and a wheel wing motor, inner ends of the first deformation block and the second deformation block form a first rotating pair, inner ends of the second deformation block and the third deformation block form a second rotating pair, the outer end of the third deformation block and the inner end of the fourth deformation block form a third rotating pair, and the outer end of the fourth deformation block and the inner end of the motor base form a fourth rotating pair. The air-ground dual-purpose rotor aircraft has two modes of flight and land traveling and can simultaneously have functions of the aerial investigation unmanned aerial vehicle and the ground detection robot.

The invention discloses a control method of an air-ground dual-purpose rotorcraft. An aerial reconnaissance unmanned aerial vehicle cannot be used for knowing conditions of the ground in details, and the maneuverability and the obstacle avoidance ability of a ground reconnaissance robot are poor. The air-ground dual-purpose rotorcraft comprises two carrier plates and four rotor deformation arms. Each rotor deformation arm comprises a first deformation block, a second deformation block, a third deformation block, a fourth deformation block, a motor base, a dual-purpose wheel wing, a first driving piece, a second driving piece, a third driving piece, a fourth driving piece, a wheel wing motor, a controller, a camera and a gyroscope. The two carrier plates are parallel to each other vertically, and are rectangular. The top surfaces of the first deformation blocks of the four rotor deformation arms and four corners of the bottom surface of the carrier plate positioned on the upper part are fixed separately. The air-ground dual-purpose rotorcraft can be controlled to run stably in a flying mode and a walking mode.

The invention discloses a VR camera capable of rotating in all directions. The VR camera comprises a bottom plate, wherein a rotating motor is arranged in the middle part of the upper end surface of the bottom plate, a column body is connected to the rotating motor, a bearing is arranged at the upper end of the column body, and the upper end of the column body is fixedly welded to the lower end ofan inner ring of the bearing; a rotating disc is welded to the upper end of the outer ring of the bearing through connecting rods, a main rod is arranged in the middle part of the upper end surface of the rotating disc, a supporting rod is arranged on the upper side of the main rod, and a rotating lifting device is arranged between the main rod and the supporting rod; the rotating lifting devicecomprises a driving motor and a lifting vertical column, wherein the lower end of the lifting vertical column is arranged at the bottom part of the main rod, the upper end of the lifting vertical column is fixedly connected to the supporting rod, and the lifting vertical column is electrically connected to the driving motor; the upper part of the supporting rod is connected to a horizontally-arranged lifting plate, guide rods are arranged at the four corners of the lifting plate, guide columns are arranged at the position, corresponding to the guide rods, of the rotary disc, and the guide rodsare arranged in the guide columns; and the upper end surface of the lifting plate is provided with a VR camera body through screws; and a first inserting hole is formed in the rotating disc, a secondinserting hole is formed in the bottom plate, and the lower end of the inserting rod penetrates through the first inserting hole to be inserted into the interior of the second inserting hole. The VRcamera has the advantages that operation is simple and convenient, rotating and lifting are rapid, positioning is convenient, and the VR camera is suitable for large-scale popularization.

The invention discloses a yarn sizing device for textile, and belongs to the technical field of textile equipment. The device comprises a sizing mechanism, a receiving mechanism, a discharging mechanism and a scraping mechanism, wherein the discharging mechanism comprises a discharging assembly and a yarn limiting assembly, the yarn limiting assembly is arranged at the right end of the dischargingassembly, the scraping mechanism comprises a top-surface scraping assembly and a bottom-surface scraping assembly, the top-surface scraping assembly is arranged above the bottom-surface scraping assembly, the bottom-surface scraping assembly comprises a scraping assembly and a lifting assembly used for driving the scraping assembly to rise and fall, and the scraping assembly is arranged at the top of the lifting assembly. The yarn sizing device for textile has the advantages that scraping can be automatically performed on yarn through the scraping mechanism, thereby ensuring the surface thickness of warp yarn; the tension of the yarn can be automatically adjusted through the yarn limiting assembly, thereby avoiding the phenomena of breakage, abrasion and the like of the yarn during transport.

The invention discloses an automatic double-Z-axis electric spark deposition device and method. A first alternating-current servo motor, a second alternating-current servo motor and a fourth alternating-current servo motor in the X-axis direction, the Y-axis direction and the Z1-axis direction are controlled to move so as to drive an electrode to move to a machining starting point of a workpiece surface; when a third alternating-current servo motor runs, a Z2-axis ram descends so as to ensure that the squeezing force of a rotary deposition gun on the workpiece is equal to a preset value; the first, second and fourth alternating-current servo motors run, and a movement orbit of the workpiece surface is formed by rotating the rotary deposition gun; the height of the electrode is adjusted according to a real squeezing force value measured by a force transducer, wherein when the squeezing force is greater than the upper difference of the preset value, the third alternating-current servo motor is reversed to drive the Z2-axis ram to ascend so as to drive the rotary deposition gun and the electrode to ascend, and when the squeezing force is smaller than the lower difference of the preset value, the third alternating-current servo motor rotates forward to drive the Z2-axis ram to descend; and the elevation movement in the Z2-axis direction is only related to the squeezing force, a deposition layer is more continuous, and the thickness of the deposition layer is more uniform.

The invention discloses an outdoor safety power distribution cabinet which comprises a supporting plate. A connecting cover is arranged at the middle end of the lower side of the supporting plate, a first electric shock sheet is arranged at the inner upper end of the connecting cover, a second electric shock sheet is arranged at the inner lower end of the connecting cover, a connecting rod is arranged on the lower side of the second electric shock sheet, a floating ball is arranged on the lower side of the connecting rod, an electric telescopic rod is arranged on the lower side of the supporting plate, an outer shell is arranged on the upper side of the supporting plate, a solar panel is arranged on the upper side of the outer shell, an inner shell is arranged in the outer shell, a cabinetdoor is arranged in the front sides of the inner shell and the outer shell, a digital password lock is arranged at the right end of the front side of the cabinet door, an alarm is arrange don the upper side of the upper side of the left end of the cabinet door, a notch is formed in the upper side of the inner shell, a drying cavity is formed in the notch, the left side and the right side of the drying cavity are connected with the inner shell through connecting pipes, and a breathable mesh is arranged at the inner rear end of the drying cavity. The power distribution cabinet can be effectively ventilated, cooled and dried and can effectively prevent devices in the cabinet from being stolen and rainwater from entering the cabinet, and safety use of the devices is ensured.

The invention discloses a garden pesticide spraying device having a height adjusting function. The garden pesticide spraying device comprises a loading cart, a pesticide carrying tank arranged at the top of the left side of the loading cart and a pesticide spraying execution mechanism arranged at the top of the right side of the loading cart, wherein a pesticide storage cavity extending downwards is arranged in the pesticide carrying tank, the bottom extending section of the pesticide storage cavity extends into the loading cart, a stirring part is rotatably connected in the pesticide storage cavity in a matched mode, a first cavity is arranged in the loading cart below the pesticide storage cavity, a stirring transmission device is arranged in the first cavity, a guiding cavity is arranged in the loading cart above the right side of the first cavity, a second cavity is arranged in the loading cart on the right side of the guiding cavity, the bottom of the guiding cavity is provided with a through sliding groove arranged in a left-right extending mode in a communicated mode, the left-side extending tail end of the through sliding groove is communicated with the inner wall of the right side of the first cavity in arrangement, and the right-side extending tail end of the through sliding groove is communicated with the inner wall of the left side of the second cavity in arrangement. The garden pesticide spraying device is simple in structure and convenient to operate, the service life is prolonged, the pesticide spraying efficiency is improved, the working amount is decreased, and height adjustment can be automatically controlled.

The invention discloses a dressing change device for orthopedic nursing. The dressing change device comprises a cabinet body, wherein the inner part of a groove is divided into twelve medicine storagecavities through three transverse separation plates on left and right side walls and two vertical separation plates on front and rear side walls; a sleeve is fixed and welded in the middle of the upper end face of the cabinet body; the right side wall of the lower end of a vertical rod frame is fixedly welded with a rack; a second rotary shaft is provided with a gear which is engaged with a rack;a motor is fixedly mounted at the front end of the top of the cabinet body; a first rotary shaft is arranged at the rear side of the motor; an arc-shaped bracket plate is arranged on the left side wall at the upper end of the vertical rod frame. According to the dressing change device for the orthopedic nursing, disclosed by the invention, the plurality of medicine storage cavities are arranged above a medicine placement platform and medicines of a single patient can be correspondingly stored in each medicine storage cavity so that the incorrect utilization of the medicines is avoided; meanwhile, the nursing of the plurality of patients can be finished through medical staff by taking the medicines once; the dressing change device is more convenient to operate and the nursing time is shortened; the arc-shaped bracket plate is arranged and is used for supporting injured bone fracture patients; dressing change is conveniently carried out on the injured bone fracture patients.

The invention relates to the technical field of planting and discloses a culturing greenhouse for panax notoginseng. The culturing greenhouse comprises a rack, wherein a planting unit, a sun shading unit, a water spraying unit and an insect prevention unit are arranged on the rack; the planting unit comprises a main planting land and auxiliary planting lands; the sun shading unit comprises sunshades, a sliding rod is glidingly connected to the rack, connecting rods are hinged between the sunshades and the sliding rod, and a gear is meshed on the sliding rod; the insect prevention unit comprises a first piston cylinder and a wind guide chamber, an air bag is communicated between the first piston cylinder and the wind guide chamber, a first piston is glidingly connected in the first piston cylinder, a gear rack is meshed on the gear, one end of the gear rack is fixedly connected to the first piston, a turbine is rotationally connected in the wind guide chamber, an air outlet, a first airinlet and a second air inlet are formed in the wind guide chamber, a three-way valve is mounted between the air bag and the wind guide chamber, the turbine is coaxially connected with a slider, a support plate is glidingly connected to the rack, and pesticide spray heads and a sliding chute are arranged on the support plate. The culturing greenhouse can realize illuminance adjustment and effectively prevent insects.

The invention relates to a base-less clamping jaw type main shaft device for a lamp inspection machine. The base-less clamping jaw type main shaft device is characterized by comprising a clamping jaw mounting flange, a mechanical clamping jaw device, a mobile supporting device, a visual system driving motor device, a visual detection device, a lighting system, clamping jaw driving cylinders, clamping jaw rotation driving motors, a transmission belt, a clamping jaw mounting flange driving screw, a main shaft device supporting bearing, a main shaft supporting base plate, a main shaft driving device and the like. The base-less clamping jaw type main shaft device has the beneficial effects that 1, due to the base-less design, the detection effect of a visual system is guaranteed to the maximum extent, and the requirement on a detection technology is reduced; 2, due to the design of a signal independent hollow main shaft, the synchronization during the lifting of the clamping jaw mounting flange is guaranteed; furthermore, cables can be conveniently arranged in the hollow main shaft, so that the number of exposed cables is reduced.

The invention provides an automatic rivet penetrating device compatible with a 1-pole circuit breaker, a 2-pole circuit breaker, a 3-pole circuit breaker and a 4-pole circuit breaker. The automatic rivet penetrating device comprises a conveyor belt, a feeding mechanism, a working tabletop mechanism, a rivet penetrating guide mechanism, a rivet falling mechanism, a rivet pressing mechanism, a discharging mechanism and a rack. The conveyor belt is used for conveying a workpiece into which a rivet is about to penetrate. The feeding mechanism is arranged on the side face of the conveyor belt. The rivet penetrating guide mechanism, the rivet falling mechanism and the rivet pressing mechanism cooperatively work and conduct automatic rivet penetration, and automatic discharge is conducted through the discharging mechanism. The rivet penetrating guide mechanism, the rivet falling mechanism and the rivet pressing mechanism are each provided with a type changing motor assembly, the type changing motor assemblies can adapt to rivets of different lengths through lead screws and motors, and then the automatic rivet penetrating device is universal for the 1-pole circuit breaker, the 2-pole circuit breaker, the 3-pole circuit breaker and the 4-pole circuit breaker. In the type changing process, the type changing motor assemblies can automatically adjust the height of the rivet penetrating guide mechanism, the rivet falling mechanism and the rivet pressing mechanism, the automatic rivet penetrating device is universal for the 1-pole circuit breaker, the 2-pole circuit breaker, the 3-pole circuit breaker and the 4-pole circuit breaker, the conveying speed is not affected, the problems that an existing device is poor in compatibility, low in efficiency and the like are effectively solved, and production efficiency is greatly improved.

The invention discloses an automatic straw pulverizer, which comprises a frame, a draw rod, a front wheel and a rear wheel. The frame is provided with an engine, a fan, a gearbox and a pickup tool. One end of a spindle of the fan is in drive connection with the engine. The automatic straw pulverizer is characterized in that blades are uniformly distributed on a fan impeller; the frame is provided with a transverse delivery mechanism and a material clamping bin; an elastic compression roller and a supporting roller are arranged in the material clamping bin up and down; a plurality of feed rollers are arranged above the frame; the front parts of the feed rollers are provided with auger blades; the other end of the spindle of the fan is in drive connection with an input shaft end of the gearbox; the gearbox is provided with two output shaft ends; one end of the supporting roller is in drive connection with one output shaft end of the gearbox; a drive roller, the feed rollers and the elastic compression roller of the transverse delivery mechanism are respectively in drive connection with the other end of the supporting roller; and the other output shaft end of the gearbox is in drive connection with the pickup tool. The automatic straw pulverizer has the advantages that harvested straws which are stacked in the field can be picked up, pulverized and collected; and the working efficiency and the automation degree are high.

The invention discloses a stem cell cryopreservation shelf. The stem cell cryopreservation shelf comprises shelf poles, wherein the number of the shelf poles is two, the shelf poles are symmetrical toeach other left and right, and the lower ends of the shelf poles are provided with working blocks. The stem cell cryopreservation shelf has the advantages that shelf lifting, automatic goods placing,damping, stability enhancing and other functions can be completed, the defect that the shelf is easily damaged due to the instantaneous impact to the shelf when heavy objects are placed on a traditional shelf is overcome, the stability of the shelf is also improved, the height of interlayers of the shelf can also be automatically adjusted, an automatic cryopreservation tank placing function is also provided, thereby greatly facilitating the placement of cryopreservation tanks for storing stem cells, through mechanical transmission cooperation, the possibility of errors is reduced, a single motor is used for achieving multiple functions, the cost of the stem cell cryopreservation shelf is reduced, and the energy consumption is reduced.