82results about How to "Realize up and down" patented technology

The invention relates to the technical field of a movable bridge and discloses a combined overpass and a bridge body module of the same. The bridge body module comprises a bridge deck, a first base and a rotating mechanism, wherein the first base is connected with the bottom side of the bridge deck through the rotating mechanism. With the adoption of the combined overpass provided by the embodiment of the invention, multiple functions of up and down lifting, left and right stretching, 360 degree rotation of the combined overpass relative to a crossed road and the like can be fulfilled, and the problems that a building angle can not be regulated according to the field needs caused by single function and the like in the prior art are solved; and in addition, the bridge body module is provided with a first support leg oil cylinder and a walking mechanism, and a first stairway module and a second stairway module are respectively provided with a second support leg oil cylinder and a third support leg oil cylinder, therefore, rapid loading transportation of each module is convenient to realize, and the motion performance of the combined overpass is improved.

The invention relates to automatic feeding and taking equipment with a u-turning device. The automatic feeding and taking equipment comprises a rotary type material bin and two two-shaft mechanical arms and a u-turning transferring device; the rotary type material bin comprises a material bin base, a working table is arranged at the top of the material bin base, a plurality of material storage frames are installed on the working table, and a plurality of workpieces are stacked on each material storage frame; two transmission chain wheels are arranged on the two sides of the working table correspondingly, the two transmission chain wheels are connected through a transmission chain, and one of the transmission chain wheels is driven by a transmission chain wheel motor; the multiple material storage frames are arranged in the layout extending direction of the transmission chain, each material storage frame is in connected fit with the transmission chain through a connecting assembly, and each material storage frame achieves movement along with transmission of the transmission chain; a lifting frame is installed in the material bin base and is driven by a lifting assembly, so that the lifting frame penetrates the working table to upwards lift the workpieces; and the multiple material storage frames are all arranged to be capable of moving along with the transmission chain, rotary workpiece conveying is formed, the storage capacity of the workpieces is effectively increased, and the machining efficiency is effectively improved.

The invention relates to a hydraulic examination bed. The hydraulic examination bed comprises a bed body, a bed frame and wheels. The bed body comprises a lying portion and a back leaning portion, the bed frame comprises an upper support, a lower support and supporting frames, the supporting frames comprise supporting frame bodies located on the two sides of the upper support and the lower support and arranged in an inclined mode from top to bottom and connecting frames used for connecting the supporting frame bodies located on the two sides, and the two ends of each supporting frame body are connected to the upper support and the lower support through rotation shafts in a rotating mode respectively. The hydraulic examination bed further comprises a plurality of gas springs, a gas spring control valve, a hydraulic cylinder located at the bottom of the lying portion and used for driving the supporting frames to rotate around the rotation shafts so as to enable the upper support to rise or fall and a power mechanism which can be used for adjusting stretching and contracting of a telescopic rod of the hydraulic cylinder through hands or feet. The end of the telescopic rod is connected to the connecting frames. On various occasions, rising and falling of the examination bed can be realized, angle adjustment of the back leaning portion can further be realized, the structure is simple and the manufacturing cost is low.

The invention discloses a telescopic mechanical hand which comprises a sliding track, an electric hoist, a rotating rod, an annular groove, a steel wire, a supporting top plate, a first guiding telescopic rod, a second guiding telescopic rod, a first supporting square rod, a second supporting square rod, a first driver, a second driver, a motor and a rotating plate, wherein a mechanical hand support is mounted at the lower end of the rotating plate, an arc-shaped bracket is mounted outside the mechanical hand support, a middle supporting rod and a bottom supporting part are installed in the arc-shaped bracket, a plurality of hinged seats are mounted at the lower end of the bottom supporting part, and one mechanical clamping jaw is mounted on each hinged seat. By utilizing the sliding track, the horizontal position adjustment of the whole telescopic mechanical hand is achieved; by arrangement of the first driver and the second driver, the whole telescopic mechanical hand can rise and fall; by arrangement of the motor, the rotary motion of the telescopic mechanical hand can be implemented, and a workpiece is captured conveniently by utilizing the mechanical clamping jaw.

The invention discloses an I beam burring device capable of being suitable for different specifications and relates to the field of burring devices. The I beam burring device capable of being suitablefor different specifications comprises a machine table, a polishing device and guiding devices. A roller bed is arranged in the machine table, the polishing device is arranged on the machine table, and the guiding devices are arranged on two sides of the polishing device. By controlling a telescopic rod of a transverse shifting driven hydraulic cylinder to stretch, two lifting hydraulic cylinderblocks are adjusted to move in an axial direction of a sliding shaft till two millstones are in contact with the side wall of an I beam. By driving the millstones by a polishing motor, the side wall of the I beam is polished to burr. Meanwhile, by controlling the telescopic rod of a lifting hydraulic cylinder to stretch, the millstones lift up and down, so that it is convenient to polish and burrthe side wall of the I beam comprehensively and effectively.

The invention discloses a protection apparatus modeling method applicable to a protection information system (hereinafter referred to as information protection) application analysis function, comprising the following steps: standardizing an IEC 61850 model in an instation protection apparatus, and generating an instation SCD model file; and expanding protection function classes in a main station CIM model by referring to definition of an instation protection model. The classes are kept accordant with protection logic node classes of the IEC 61850, so that mapping can be performed simply without loss to realize seamless conversion from the instation SCD model to the main station CIM model; in addition, the protection apparatus modeling method is high in universality and the protection professionals are easy to understand; the instation standard SCD model is imported through a software tool and to automatically generate the CIM model needed by the main station according to expanding rules, so that the protection apparatus modeling method is high in usability; the protection information system main station and the protection information system sub station are in communication through the IEC 61850 protocol; the CIM model generated in the station is obtained by the file service; and the data subscription and data publishing are realized through the dynamic data set service and report service of the IEC 61850 protocol.

The invention provides a production frame used for processing a clutch release bearing of an automobile, which belongs to the technical field of automobile part processing and manufacturing, and solves the problem that the percent of pass is lowered and the like caused by the fact that the release bearing cannot be subjected to multi-directional detection since a pressure plate fixedly applies pressure on the release bearing in the prior art. The production frame used for processing the clutch release bearing of the automobile comprises a flow line frame and a working frame, wherein a transmission mechanism is arranged on the flow line frame, a pneumatic press is fixedly arranged on the working frame through a mounting device, the mounting device comprises a rack fixed on the working frame, the rack comprises a base, stand columns and a fixing plate, the base is fixed on the working frame, the lower ends of the stand columns are fixed on the base, a sliding locating mechanism is arranged between the fixing plate and the upper ends of the stand columns, and a locating device is also arranged on the working frame. The pressure plate can circumferentially rotate so as to multi-directionally act on the release bearing, so that the percent of pass of the release bearing is ensured.

The invention provides a livestock breeding house and belongs to the technical field of livestock husbandry breeding. The livestock breeding house solves the technical problem that livestock excrement needs to be manually removed in an existing livestock breeding house. The livestock breeding house comprises a house body with level ground, and a partition plate capable of dividing a space inside the house body into an upper space and a lower space in a sealed mode is arranged in the house body. The partition plate is provided with a breeding plate, a first cylinder is arranged at the position of the lower portion of the right end of the breeding plate, a piston rod of the first cylinder is upward vertically and penetrates the partition plate to be fixedly connected with the end of the breeding plate, a vertical plate is vertically fixed on the partition plate, the left end of the breeding plate is hinged to the partition plate and is in contact with the vertical plate, the vertical plate is provided with an outlet and an opening and sealing device capable of opening and sealing the outlet, and an excrement scraping device capable of scraping and sending the excrement on the breeding plate to the position of the outlet of the vertical plate is arranged at the position of the top of the house body. According to the livestock breeding house, the excrement on the breeding plate can be automatically cleared, and the efficiency is high.

The invention discloses a stair snow cleaning robot. The stair snow cleaning robot comprises a telescopic snow shovel, a rack, two lifting stair conversion feet, four moving unit lifting stepping motors, leg racks, eight transverse driving wheels, two ice breaking mechanisms, and the like, wherein the snow shovel is rotatably mounted at the tail end of a snow shovel second arm; a telescopic end ofa snow shovel angle push rod motor is rotatably mounted on the telescopic snow shovel; a fixed end of the snow shovel angle push rod motor is rotatably mounted in a circular hole of a boss in the middle of the snow shovel second arm; the pitching angle of the telescopic snow shovel is driven by a snow shovel angle stepping motor and the snow shovel angle push rod motor; and the other end of the snow shovel second arm is rotatably mounted at the tail end of a snow shovel first arm. The stair snow cleaning robot can climb and descend stairs through the lifting stair conversion feet, and automatic cleaning of the stairs can be achieved; and when the stair snow cleaning robot is utilized to clean snow on the ground, ice and snow of the vertical plane of the stairs can be cleaned through the ice breaking mechanisms on the side.

The invention relates to the field of ceramic wine bottle blank making devices, in particular to an intelligent production line system for ceramic wine bottle blank making. The intelligent productionline system comprises a rack, a transmission structure, a clamping device, a centrifugal structure, a moving structure, an adjustment structure, a sliding structure, a grouting structure, a mold transfer device, a drying device and a transfer device. A mold passes through the transmission structure, the clamping device, the centrifugal mechanism and the grouting structure on the rack, and is thenpoured. An unlocking and mold taking mechanical arm and a mold feeding mechanical arm are matched to put the mold onto a drying device to be dried. The dried mold is conveyed onto the clamping deviceon the rack through the transfer device to carry out procedures such as grouting and centrifugal operation of the next cycle, recycling is realized automatically, full automation of a ceramic wine bottle blank making process can be realized, manual operation of workers is not needed, the ceramic wine bottle blank production efficiency is improved, the yield can be increased, and the ceramic wine bottle production cost can be reduced.

The invention discloses a double-crankshaft type sewage compression and dehydration environmental-friendly treatment device which comprises a base, wherein a dehydration bucket is mounted on the rightside of the upper end of the base; a pressing plate is mounted inside the upper end of the dehydration bucket; a lifting shaft is connected with the middle part of the upper end of the pressing plate; a dehydration plate is mounted in the middle of the dehydration bucket; a washing cavity is formed inside the area of the dehydration bucket at the lower end of the dehydration plate; a water storage tank is mounted on the left side of the upper end of the base; a water guide pump is mounted in the middle of the lower end of the base; a motor base is mounted at the upper end of the dehydration bucket; a driving motor is connected with the upper end of the motor base; a driving belt wheel is connected in the middle of the front end of the driving motor; a first rotating wheel is connected with the middle of the upper end of the dehydration bucket through a support rack; a first crankshaft is connected with the middle of the first rotating wheel; a second rotating wheel is connected with the upper end of the water storage tank through the support rack; a second crankshaft is connected with the middle of the second rotating wheel. By adopting the device, up and down lifting of the pressing plate and left and right movement of the push plate can be achieved, furthermore sludge can be compressed and dehydrated and discharged in time, and the situation that a discharge hole is blockedby compressed sludge blocks can be avoided.

The invention provides a wellhead device for geothermal energy. The wellhead device for geothermal energy comprises a fixing sleeve, a bottom sleeve, a rotating structure and a sealing structure; thesealing structure is arranged in the fixing sleeve; the sealing structure comprises a screw rod, a bearing, a sealing plug, a sealing ring and a limiting ring; the screw rod is rotationally connectedinto the rotating structure; the bearing is fixed to the outer portion of the bottom end of the screw rod; the circular sealing plug is fixed to the outer portion of the bearing; the screw rod is rotationally connected with the sealing plug through the bearing; the sealing ring is fixed to the outer portion of the sealing plug; and the limiting ring is arranged at the bottom end of the sealing plug. The wellhead device for geothermal energy has the advantages of being capable of sealing a wellhead and good in sealing performance.

The invention provides a pig house cleaning robot. The robot comprises a robot body, a walking mechanism, an executing mechanism, a navigation system and a control system, the walking mechanism comprises four omnidirectional wheels evenly distributed in the circumferential direction of the bottom face of the robot body, every two adjacent omnidirectional wheels are arranged in a splayed shape, and each omnidirectional wheel is powered by a driving assembly; the navigation system comprises a plurality of sensors fixedly arranged on the robot body, the sensors are in communication connection with the control system, and the walking mechanism and the executing mechanism are controlled to act through the control system. In order to enhance the applicability of an existing pig house cleaning robot to pig houses in an excrement leakage floor environment, improve the cleaning efficiency and increase the function of detecting the body temperature of pigs in the excrement removing working process, the pig house cleaning robot is provided. The pig house cleaning robot is convenient to use, thorough in cleaning, energy-saving and environment-friendly, a full-automatic pig house cleaning mode can be achieved, the working efficiency is improved to a great extent, and the environmental conditions of the pig house are improved.

The invention discloses a computer base for information technology engineering and convenient to move. The computer base includes a fixed base; first rotating hinges are welded to the outer walls on both sides of the top of the fixed base, a first rotating rod is welded to the outer wall at the top of each first rotating hinge, and a moving hinge is welded to the outer wall of the end, away from the corresponding first rotating hinge, of each first rotating rod; and a second rotating rod is welded to the outer wall of one side of each moving hinge, a second rotating hinge is welded to the outer wall of the end, away from the corresponding moving hinge, of each second rotating rod, and a connecting seat is welded to the outer wall of one side of each moving hinge. By means of the computer base, the fixed base can be lifted up and down, the height of a computer body can be adjusted, the use of a computer by people of different physiques can be met, the computer can be quickly moved, meanwhile, the larger vibration can be avoided, the rotating motion of the computer can be achieved, and the support for the computer is more stable.

The invention discloses a large submersible sewage pump. The large submersible sewage pump comprises a bottom plate, and a driving device is arranged above the bottom plate. According to the large submersible sewage pump, through cooperation of the bottom plate, a vertical plate, a box body, a wide plate, a sewage pump, the driving device and a rotating device, a motor drives a double-end threaded rod to rotate, the double-end threaded rod drives a long block to move left and right, an inclined rod drives a transverse block to rotate, then a steel wire rope drives a sliding block to move up and down, and therefore up-down lifting of the sewage pump is achieved, a worker can conveniently install the sewage pump, operation by the worker is convenient, an electric push rod drives a round rod to move leftwards, the round rod drives a vertical block and a first rack to move leftwards, the first rack drives a gear to rotate, a second rack drives a clamping plate on the left side to move rightwards, the vertical block drives a bent plate to move leftwards, the bent plate drives a clamping plate on the right side to move leftwards, the sewage pump is further fixed, and the situation that when the sewage pump ascends and descends, the sewage pump falls off, and then the sewage pump is damaged is avoided.

The invention discloses a full-automatic material feeding cutting machine which comprises a stand, wherein an automatic material feeding mechanism is arranged at the front end of the stand; a material storage tank is arranged on the right side of the stand; a working table is arranged at the upper ends of the stand and the material storage tank; a material pushing mechanism is arranged at the left end of the working table; a cutting mechanism and a material locating mechanism are arranged at the right end of the working table; a material pressing mechanism is correspondingly arranged at the upper end of the working table; the cutting mechanism and the material locating mechanism are arranged at the upper end of the material storage tank; the material locating mechanism is arranged at the right end of the cutting mechanism; an opening through which a material automatically falls is formed in a position, which corresponds to the lower ends of the cutting mechanism and the material locating mechanism, on the material storage tank; and a scrap removing mechanism is arranged inside the material storage tank. The full-automatic material feeding cutting machine can realize functions of automatic pushing, automatic locating and installation, automatic cutting, automatic storage and automatic scrap cleaning of rodlike / tubular materials, so that the cutting precision and the production efficiency are improved, the labor intensity of a worker is reduced, and the demand for large-batch production is met.

The invention discloses a large-section wire meter-measuring device which comprises a horizontal base plate (1), a first support base (2), an elastic element (3), a first fixing block (4), meter-measuring devices (5), a first transmission shaft (6) and a supporting device (7). The first support base (2) is screwed to the front end of the first transmission shaft (6). The rear end of the first transmission shaft (6) is sleeved by an elastic element (3). A pair of meter-measuring devices (5) is symmetrically arranged in the middle of the horizontal base plate (1) back and forth. Each meter-measuring device (5) comprises a base plate (51), a meter-measuring wheel (52), a guide rod (53), a guide sleeve (54), a slide rail (55) and a meter-measurer (56). According to the large-section wire meter-measuring device, a pair of meter-measuring devices is used to clamp a large-section wire; inaccurate meter-measuring caused by the weight of the wire and meter-measurer cycle is prevented during downtime; automatic clamping force adjustment is realized through the elastic element; and the device has the advantages of rapid meter-measuring, qualified wire surface, simple overall structure and accurate meter-measuring.

The invention discloses an automatic sponge separator. The automatic sponge separator comprises a sponge separation bracket, a sponge separator platform, a sponge clamping mechanism and a transition conveying mechanism, wherein a feed conveyor and a discharge conveyor are arranged on two sides of the sponge separation bracket; the sponge separator platform is mounted on the sponge separation bracket; the sponge separator platform is movably matched with the sponge separation bracket, and is driven by a lifting mechanism to lift up and down; the sponge clamping mechanism is mounted at the top end of the sponge separation bracket, and is positioned on the side near the discharge conveyor; and the transition conveying mechanism is mounted on the sponge separation bracket, is mounted on the side near the discharge conveyor, and is positioned between the sponge clamping mechanism and the sponge separator platform. Through cooperation of the sponge separator platform, the lifting mechanism,the sponge clamping mechanism and the transition conveying mechanism, the sponge separator separates sponges stacked and conveyed on the feed conveyor, and sends the sponges onto the discharge conveyor for conveying in sequence without needing manual carrying and separation, so that the labor is reduced.

The invention relates to a toy rubber shell drilling machine, which includes a feeding mechanism and a hole-opening mechanism, the hole-opening mechanism includes a hole-opening frame, and a hole-opening device is fixedly installed on the hole-opening frame, and the hole-opening device includes The loading device fixed on the perforated frame, the upper part of the loading device is correspondingly provided with a pushing device docked with the feeding mechanism, and the upper part of the pushing device is correspondingly provided with a down-pressing device, which includes a down-pressing cylinder. The lower end of the cylinder is connected to the down-pressing adapter plate through the push rod, and the down-pressing adapter plate is fixedly connected with the down-pressing head; The matching unloading pressure plate realizes the positioning of the material by the unloading platen when the lower pressure head is pressed down, and will not cause damage to the material under the buffering effect of the spring. Under the action, it reacts on the material to prevent the material from sticking to the perforated needle. The structure is simple and the applicability is strong.

The invention discloses winding equipment used for building waterproof films, and particularly relates to the technical field of winding equipment. The winding equipment used for the building waterproof films comprises a base, side plates, connecting plates and a top plate, wherein the side plates are fixedly connected with two sides of the top end of the base respectively, a brushing structure is arranged between one side of one end of one side plate and one side of one end of the other side plate, one corresponding connecting plate is fixedly connected with one end of the top of each side plate, the top plate is fixedly connected between one side of one connecting plate and one side of the other connecting plate, an arrangement structure is arranged in the top plate, and a winding mechanism is arranged between the inner sides of the side plates. According to the winding equipment used for the building waterproof films, the winding mechanism is arranged between the inner sides of the side plates, the winding mechanism comprises a servo motor, a handle is held to turn a turning plate outwards by 90 degrees, a winding shaft is stuffed between one side of one shaft sleeve and one side of the other shaft sleeve, the handle is loosened to make the turning plate reset under the resilience of a first spring shaft, and then clamping pieces, connected through second spring shafts, in hinge bases are shifted, so that the thin films are clamped and fixed through silica gel pads at the tops of the clamping pieces, and the purpose of facilitating replacement and installation of the winding shaft is achieved.

The invention discloses a streetlamp with the lifting function and used for a garden. The streetlamp comprises a lamp pole, the lamp pole is fixedly arranged on a lamp pole base, the side face of thelamp pole is provided with a sliding groove which does not penetrate the two ends, a spiral shaft is contained in the sliding groove, the two ends of the spiral shaft are connected with two ends of the lamp pole through bearings, a sliding block matched with the spiral shaft is arranged on the spiral shaft, the outer side of the lamp pole is sleeved with an annular base, the annular base and the lamp pole are in clearance fit and are connected with the sliding block, multiple connecting rod bodies are arranged on the outer side of the lamp pole at equal distances, the other ends of the connecting rod bodies are used for mounting of a lamp holder, a mounting box is arranged at the bottom of the lamp pole and located on one side of the sliding groove, the mounting box is fixed with the lamppole and the base, a bearing base is arranged in the mounting box, and is fixed to the side wall of the mounting box, and a Z-shaped crank is arranged in the bearing base through a bearing. Accordingto the streetlamp with the lifting function and used for the garden, vertical lifting can be achieved, a worker can conveniently replace a bulb, use is convenient, and operation is easy.

The invention discloses a curvature tension adjusting device for cloth winding. The curvature tension adjusting device comprises a base, wherein a cloth cylinder and a cloth winding mechanism are arranged on the left side and the right side of the upper end of the base respectively; one end of the cloth is wound around the cloth cylinder, and the other end of the cloth is connected with the clothwinding mechanism; the cloth cylinder and the cloth winding mechanism are provided with a curvature tension adjusting mechanism; and the curvature tension adjusting mechanism comprises a first roller,the first roller is installed on a supporting frame, and a lifting adjusting assembly is arranged at the bottom of the supporting frame. According to the curvature tension adjusting device for clothwinding, the structure is simple, a piston rod in an air cylinder is driven through an air pump so that the piston rod can ascend and descend, then the curvature tension between the first roller and the cloth can be controlled, and the requirement of cloth winding is met.

The invention discloses a cargo circulation lifting method and an electromagnetic power generation method of cargo circulation lifting which both adopt a cargo circulation lifting device. The cargo circulation lifting device comprises a transmission mechanism, a detection mechanism and a plurality of storage mechanisms. The transmission mechanism includes an annular transmission belt, each storagemechanism includes a storage box, the detection mechanism includes detection units which generate a plurality of inventory signals and indicator units which generate a plurality of floor demand signals and floor location signals according to the floor F<n> on which each storage box is located and the floor F<m> of a building to be reached. The cargo circulation lifting method comprises the stepsthat S1, storage boxes in which cargos are stored in the multiple storage boxes are judged; S2, the distance j is calculated according to the distance j=|F<m>-F<n>|, and the distance j is arranged from smallest to largest in sequence; and S3, displacement I is calculated according to the displacement I=F<m>-F<n>, the ascending and descending order of the storage boxes is arranged from the smallestto the largest according to the distance j to enable the storage boxes to move the corresponding displacement i and reach the floor F<m> of the building and enable the transmission belt to stop rotating.

The invention provides a mattress surrounding edge machine sewing head adjusting device, which belongs to the mechanical technology field, and solves the problems of per swinging accuracy and lifting instability existing in current mattress surrounding edge machine sewing head adjusting devices. The mattress surrounding edge machine sewing head adjusting device comprises a base and a sewing head; a movable seat board is disposed on the base; a elevating system is disposed between the movable seat board and the base for lifting the movable seat board; an adjusting plate with an arced guiding through hole is fixed on the movable seat board; a connection seat is disposed on one side of the adjusting plate; the sewing head is fixed on the connection seat; and a swing mechanism is disposed between the movable seat board and the connection seat fro pushing the connection seat to slide along the guiding through hole. The invention achieves the advantages of reasonable design, swinging accuracy, elevating stability and high practicability.

A hydraulic full-automatic coupling disassembly machine is characterized in that vertically-arranged supporting legs are fixedly connected with the left and right sides of a frame body correspondingly; traveling wheels are mounted at the lower ends of the supporting legs in a relative rotating manner; the upper ends of the supporting legs are hinged with the frame body; the middles or the lower parts of the supporting legs are positioned outside the frame body (4) through positioning frames; mechanical arms which are arranged in a left-right corresponding manner are hinged with the front sideof the frame body; the left and right mechanical arms are arranged corresponding to a motor coupling; a transversely-arranged telescopic jack is fixedly mounted at the middle of the frame body in thefront-rear direction; a telescopic arm of the telescopic jack is positioned between the left and right mechanical arms; holding jacks are hinged with the outer sides of the mechanical arms and transversely arranged; the other ends of the holding jacks are hinged with the frame body; each mechanical arm is of a framework structure and takes the shape of a bracket with a backward opening; two free ends of each mechanical arm are hinged with the frame body in an upper-lower corresponding manner; and the middle or the front part of the transverse section of each mechanical arm is hinged with the corresponding holding jack.

The invention belongs to the technical field of unmanned air vehicles and discloses an unmanned air vehicle with fixed wings. The unmanned air vehicle with the fixed wings comprises a fuselage, a control device, main airfoils and empennages, wherein the main airfoils are arranged on both sides of the fuselage and the empennages are arranged on the tail part of the fuselage. The top surfaces of theempennages gradually incline upwards from front to back. Motors are respectively arranged on the main airfoils arranged on both sides of the fuselage. The motors arranged on both sides of the fuselage are symmetrically arranged relative to the fuselage. The output end of each motor is connected with a propeller. The control device controls the acceleration or the deceleration of each motor to realize ascending, descending and turning actions of the fuselage. The invention further discloses a control method for controlling the unmanned air vehicle with the fixed wings. The control method comprises a pitch angle control step and a yaw angle control step. The symmetrical motors relative to the fuselage are arranged on both sides of the fuselage and the control device is arranged to control the rotate speed of the motors, and accordingly the thrust which is applied to the fuselage by the propellers is changed, ascending, descending and turning actions of the fuselage are realized, and themechanical structure and the control structure of the unmanned air vehicle are simplified.

The invention discloses a height adjustable conveying device for an electronic product manufacturing workshop. The height adjustable conveying device for the electronic product manufacturing workshopcomprises a first supporting plate; a drawing groove is formed in the external wall of one side of the first supporting plate; a second supporting plate is inserted in the internal wall of the drawinggroove; a sliding groove is formed in the external wall of one side of the second supporting plate; a second fixing support is slidingly connected to the internal wall of the sliding groove; a firstfixing support is welded on the external wall of one side of the top of the first supporting plate; and a second lifting rod and a first lifting rod are correspondingly welded on the external wall ofone side of the top of the first fixing support and the external wall of one side of the top of the second fixing support. According to the height adjustable conveying device for the electronic product manufacturing workshop, a fixing top plate can lift up and down, the lifting of the fixing top plate can be more stable, a hydraulic cylinder can be more conveniently controlled, the operation is made convenient for a user, higher practicability is realized, an electronic product is more stably conveyed, and a phenomenon that the electronic product falls off in the conveying process is avoided.