73results about How to "Realize sliding up and down" patented technology

The invention discloses a vehicle-mounted bicycle rack which is mounted at the rear part of a vehicle so as to support a bicycle. The vehicle-mounted bicycle rack comprises a lower crossbeam component, two wheel fixing components and a seat tube fixing component, wherein the lower crossbeam component is connected to a trailer hook reserved hole in the rear part of the vehicle; the two wheel fixing components are respectively arranged on the lower crossbeam component so as to respectively support two wheels of the bicycle; the seat tube fixing component is connected onto the lower crossbeam component so as to fix and support a seat tube of the bicycle. According to the vehicle-mounted bicycle rack disclosed by the invention, the vehicle-mounted bicycle rack is connected with the vehicle through the existing rear trailer hook reserved hole of the vehicle, so that compared with the traditional bicycle fixing manners, the fixing is stable and reliable, the appearance is attractive, the cost is reduced, and the weight of the vehicle is lowered.

The invention provides a damping structure for a transport device in an elevator. The damping structure comprises a spring seat and a base, wherein the spring seat and the base are arranged below a placing table, a rectangular fixing block is fixedly arranged on the spring seat, sliding plates are arranged on the two side surfaces of the fixing block, sliding blocks are arranged on the two side faces, corresponding to the sliding plates, of the fixing block, one ends of the sliding plates are connected with the bottom end of the placing table, the other ends of the sliding plates are connectedwith a first spring installed on the spring seat, a sliding groove is longitudinally formed in the sliding plates, and the sliding groove and the sliding blocks are matched to be used, so that the placing table can slide up and down; and a first arc-shaped elastic plate and a second arc-shaped elastic plate are arranged between the spring seat and the base, the convex surface of the first elasticplate and the convex surface of the second elastic plate are in contact with each other and are fixed, and second springs are installed in concave surfaces of the first elastic plate and the second elastic plate. The damping structure has the advantages that the structure is simple, the operation is convenient, the use of a damping device plays a role in effectively relieving, and the damage to goods is reduced.

The invention relates to an automatic sealing cabinet. The automatic sealing cabinet comprises a cabinet body and a door body. One side of the cabinet body is provided with an opening for storing or taking articles into or from the cabinet body. The door body can slide up and down and is located at the opening to open or close the cabinet body. The two sides of the opening are vertically providedwith guide grooves used for the door body to slide up and down. A clamping structure is arranged at the upper ends of the guide grooves. After the opening is closed by the door body, the clamping structure enables the door body to move towards the inner side of the cabinet body by a preset distance, so that the door body is pressed at the opening to close the opening and to ensure the tightness inside the cabinet body. The automatic sealing cabinet has the beneficial effects that after the door body closes the cabinet body, the door body can apply pressure to the cabinet body, the fit of the door body and the cabinet body is better under the action of the pressure, the final sealing performance of the sealing cabinet is better, the minimum space is occupied, the cost is reduced, and meanwhile, friction, caused by sliding of the door body, of the sealing strip is avoided.

The invention discloses a regulating device for a drawer tail. The regulating device comprises side plates, sliding rail assemblies, a back plate, a bottom plate, and regulating assemblies arranged at the end parts of the side plates, wherein each regulating assembly comprises a height regulating piece, a regulating plate and a connecting plate; each height regulating piece is positioned on the corresponding plate in a rotating manner, and each regulating plate slides on the corresponding connecting plate up and down; each height regulating piece is provided with a spiral orbit, each regulating plate is provided with a concave boss, and each concave boss acts on the corresponding spiral orbit; the side plates and the back plate and/or the bottom plate are arranged on the connecting plates respectively, and the regulating plates are supported on movable rails of the sliding rail assemblies; the height regulating pieces are acted through manual operation or tools, the concave bosses slide on the spiral orbits relatively and interact with each other, so that the regulating plates move up and down relative to the connecting plates to realize height regulation for the drawer tail relative to the sliding rail assemblies. According to the regulating device, angle regulation for the drawer tail is realized by setting the regulating assemblies; the regulating device has the characteristics of simple and reasonable structure, simple and convenient regulation, reliable performance, low manufacturing cost, high stability and high assembling efficiency.

The invention discloses a square tube bending and spot welding device for guardrail production, and relates to the technical field of guardrail production. The problems that an existing bending mode is cumbersome in actions, needs to consume large labor of workers, and is low in welding efficiency are solved. The device comprises a base; the front end surface of the base is axially connected withan operating handle; the interior of the base is slidably connected with a driving sliding block; the bottom of a lifting connecting rod is hinged to the top of a welding machine head; the inner sideof the rear portion of the base is vertically and axially connected with a spot welding driving intermediate transmission shaft; and the inner side of the rear portion of the base is axially connectedwith a spot welding driving lead screw in the horizontal direction. According to the device, the bending and spot welding actions of a square pipe can be completed only by rocking a hand wheel, so that the use is easy, and the operation is convenient; and bending is carried out through a lead screw nut transmission pair and a crank sliding block mechanism during bending, so that the bending forceis small, the labor amount of workers is reduced, and the working efficiency can be greatly improved.

The invention discloses a rotating shaft adjustment type venetian blind. The rotating shaft adjustment type venetian blind comprises a wall body, a venetian blind height adjusting device disposed in the wall body, a venetian blind positioning device disposed in the wall body and an air circulation device disposed in the wall body. Nowadays, the development of China is getting faster and faster, the quality of life of people is getting higher and higher, and people always decorate a new house before moving into the new house. For the choice of curtains, more and more people choose venetian blinds because the venetian blinds are clean, rest-assured and convenient to clean, but some venetian blinds cannot be completely closed, the view of people is blocked at times. The rotating shaft adjustment type venetian blind can be adjusted to any height by rotating a handle, and in addition, indoor air can be refreshed when using the rotating shaft adjustment type venetian blind, so the design ofthe rotating shaft adjustment type venetian blind is necessary.

The invention discloses a hoisting device for mechanical processing. The device comprises a base, universal wheels, a concave-opening seat, a bolt, a locking nut, a rotating plate, a lead screw, a chuck, a handle, an outer pipe, an inner pipe, a locking part, a cross bar, a rack, a gear mounting rod, a gear, a belt and a first motor. According to the device, the hoisting is mechanically carried out, so that the defect of manual hoisting in the background technology can be avoided; the universal wheels enable moving; the handle can be rotated, and the chuck sucks the ground to avoid slipping; the gear is driven to rotate through the first motor, and the rotating gear drives the rack to move, and thus the height of the whole device can be adjusted; the inner pipe slides in the outer pipe torealize supporting; a second motor drives a first steel cable to enable a lifting rod to slide up and down, and thus the height of the whole device is adjusted; a part is clamped through a clamping device, and the clamping device is hoisted through a coiling motor to realize hoisting assembling; the clamping device is of a plurality of structures for replacing in order to hoist the parts with different specifications.

The invention discloses a multi-level air-flowing type industrial photocatalyst floor and belongs to the field of photocatalyst floors. A plurality of multi-level air-flowing tables are arranged in the floor, and thus inner jet flow mechanisms and outer jet flow mechanisms in the floor are triggered due to treading in the walking process of people, so that on one aspect, outside air constantly flows in and out of the interiors of the multi-level air-flowing tables due to the pressure intensity changes brought by the outer jet flow mechanisms, the mobility of the outside air is enlarged, and sufficient purification of the outside air by photocatalyst layers is achieved; and on the other aspect, an air flowing process is achieved between the multi-level air-flowing tables and the parts adjacent to the peripheries of the multi-level air-flowing tables due to the air flow changes brought by the inner jet flow mechanisms, and thus flowing of outside air adjacent to the multi-level air-flowing tables is intensified accordingly, so that multiple effects are promoted through one component, the mobility of the surrounding air near the photocatalyst layers is further improved, the purifyingeffect is effectively improved, and the photocatalyst layers are not likely to be stripped by abrasion borne in the walking process of people.

The present invention discloses an electric auto-lift sealed anti-theft switchgear. A fixed base is connected with a sealed base. The sealed base is further connected with a sealing cover. The sealing cover is connected with a power control cabinet corresponding to a base internal groove. The base internal groove is internally provided with a motor-driven first gear. A thread support shaft is connected with a third gear correspondingly connected with the first gear. A first rotating shaft is provided with a second gear correspondingly meshed and connected with the third gear. An end of the first rotating shaft is connected with a sealing end. The sealing cover is connected with a thread sealing shaft correspondingly meshed and connected with a thread shaft groove. The motor drives the first gear to rotate, so as to drive the thread support shaft to rotate, so that the sealing cover can be further lifted; and the sealing end is correspondingly connected with the thread sealing shaft disposed on the sealing cover, so that the theft is prevented.

The invention discloses a special medical bed for new coronary pneumonia treatment, and relates to the technical field of medical equipment. The special medical bed comprises a bed body, wherein folding plates are rotationally mounted on two sides of the bed body; expansion plates are embedded into the front side and the rear side of the bed body; a driving component is arranged inside the bed body; and the driving component is used for driving the two expansion plates to stretch out or retract at the same time. The special medical bed is reasonable in structure and simple to operate, due to adoption of the expansion plates, the area of the medical bed can be increased, meanwhile a certain protection effect can be achieved, the comfort and the security of operators can be improved, the medical bed can be folded when being not used, the space occupation rate can be reduced, the practicability can be improved, the problems that a conventional medical bed is fixed in width, relatively poor in comfort, relatively large in size and large in space occupation rate can be solved, due to adoption of the driving component, stretching and retraction actions of the expansion plates can be achieved, and width adjustment of the medical bed can be achieved.

The invention discloses a paperboard counting, bundling and turning device. The paperboard counting, bundling and turning device comprises a support, a counting mechanism, a pushing mechanism, a bundling mechanism, a turning mechanism and a lifting mechanism. The lifting mechanism comprises a base plate and a first driving part. The base plate is slidably arranged on the support. The pushing mechanism comprises a discharging frame. The bundling mechanism comprises a collection frame. A collection platform is arranged on the collection frame and is flush with the discharging frame. The turningmechanism comprises a turning frame and a conveying frame. Turning bases are slidably arranged on the turning frame and are located on the two sides of the conveying frame. A turning clamping piece isrotatably arranged on each turning base. The base plate, the discharging frame, the collection frame and the conveying frame are sequentially arranged. The counting mechanism comprises a pressing assembly and a transfer assembly. The pressing assembly comprises a pressing plate and a mounting base. The mounting base is arranged on the support. The pressing plate is slidably arranged on the mounting base. A positioning table is formed on the mounting base and is located below the pressing plate. A counter is arranged on the positioning table. By adoption of the paperboard counting, bundling and turning device, paperboards can be accurately counted, bundled and finally turned to be stacked.

The invention discloses a yarn guiding and collecting device used in the textile field, and relates to the technical field of textile machinery. The yarn guiding and collecting device solves the problem that an existing yarn guiding device is driven to swing through a driving device to realize the guiding of cotton threads, and when the existing yarn guiding device is in use, the guiding device needs to be additionally controlled, the coordination between the rotation of a collecting device and the swinging of the guiding device is difficult to ensure, and the guiding effect is poor. The yarnguiding and collecting device comprises a mounting base, wherein a group of driving part is fixedly connected to the right side of the mounting base; a group of collecting rotary disk is rotatably connected to the right side of the top of the mounting base; a group of guide driving lead screw is rotatably connected to the left side of the top of the mounting base; and a group of intermediate transmission parts are rotatably connected to the inner side of the bottom of the mounting base. A yarn collecting barrel is adopted by the yarn guiding and collecting device, is stably fixed, and is simple to operate and convenient to use; the automatic adjustment of the height of a guiding part can be realized while yarns are wound, so that the winding height of yarns is adjusted; and the yarn guiding and collecting device realizes the guiding of the yarns, and has a good guiding effect and a good synchronous guiding effect.

The invention relates to a screening device, in particular to a cleaning and screening device for flour processing. According to the cleaning and screening device for flour processing, silt in wheat can be rapidly cleaned up, meanwhile, the wheat can be collected in a centralized mode, the wheat can be stirred, and therefore the wheat can make full contact with water. The cleaning and screening device for flour processing comprises a screening mechanism slidably arranged on the upper part of a base, and a water control mechanism is installed on the lower part of the base. By arranging the screening mechanism, the screening mechanism is matched with the water control mechanism, the wheat can be continuously screened and cleaned, and meanwhile, the silt in the wheat can be continuously shaken off; a stirring mechanism is matched with a lifting mechanism, so that wheat is stirred at intervals according to use requirements, the silt in the wheat is effectively reduced, sieve plates can slide up and down at intervals, and the labor intensity of workers is effectively reduced; and a pushing mechanism is matched with an auxiliary mechanism, so that the wheat is continuously collected.

The invention discloses a needle driving mechanism for a variable space embroidery machine. The needle driving mechanism mainly comprises a box body, a driving mechanism and a power output part, wherein the outline of the box body is of a right-angle trapezoid, the driving mechanism mainly comprises a variable space mechanism and a gear mechanism; an oscillating arm is driven to swing up and down by power output which is mainly generated by the rotation of a rotating pinion shaft to propel a needle to drive a slide block to slide up and down, in order to output the power. According to the needle driving mechanism for variable space embroidery machine disclosed by the invention, a main shaft inputs power, the variable space mechanism drives an oscillating ring to swing to drive an oscillating shaft to swing, and the power is output by gear engagement to achieve the up and down slide of a needle driving block. A needle rod stroke and a movement speed can be adjusted by adjusting the radius part of a meshing gear according to actual conditions.

The invention discloses a fitness rehabilitation training system convenient for the disabled people to use and a using method thereof, the fitness rehabilitation training system comprises a base plate, and a leg training assembly, a seat and a control unit which are sequentially arranged at the top of the base plate from right to left, and further comprises a mounting frame and a sliding frame assembly which are sequentially and fixedly mounted at the top of the base plate from left to right; lifting mechanisms are arranged on the front side and the rear side of the sliding frame assembly in a sliding mode, and a safety damping assembly is fixedly installed on one side of the sliding frame assembly. The invention relates to the technical field of fitness rehabilitation facilities. According to the invention, intelligent gear shifting adjustment can be completed by adopting intelligent key control and cooperating with a rotary gear shifting structure, and manual insertion and extraction for balance weight adjustment are not needed, so that fitness rehabilitation training of the disabled people is greatly facilitated; even for the disabled people with limb defects of legs or arms, other people do not need to help to adjust, and independent fitness rehabilitation training of the disabled people can be achieved.

The invention belongs to the technical field of transformer coil manufacturing, and particularly relates to a pair of multifunctional transformer strut disassembling pliers. The pair of multifunctional transformer strut disassembling pliers comprises a lifting assembly, a pliers body and two movable blocks, wherein the lifting assembly is arranged at the upper end of the pliers body, and the lowerend of the pliers body is of a tapered opening structure; the two movable blocks are symmetrically arranged on the inner sides of the opening of the pliers body and can slide up and down, and the twomovable blocks change the interval between the two movable blocks by sliding up and down to clamp struts different in width; the inner sides of the opening of the pliers body are provided with sliderails in the vertical direction; and the movable blocks are slidably connected with the slide rails, and the upper ends of the movable blocks are provided with limiting structures preventing the movable blocks from being disengaged. The pair of multifunctional transformer strut disassembling pliers is a disassembling tool which is simple in structure, convenient to operate, economical and reasonable, and it is ensured that coil disassembling is carried out successfully under any disassembling condition, and an insulating part is not damaged.

The invention discloses a piling method of a sheet pile retaining structure. The piling method comprises the following steps that a target sheet pile and a hanger type pile hammer are correspondinglyarranged, and the pile hammer is installed on a tower frame of a pile driver; if sheet piles are a plurality of steel tube lock catch piles, sheet pile follower caps are installed at the lower end ofthe pile hammer, and the sheet pile follower caps are used for enabling the steel tube lock catch piles to sink into a foundation soil one by one; if the sheet piles are a plurality of steel plate lock catch piles, sheet pile follower caps are installed at the lower end of the pile hammer, and the sheet pile follower caps are used for enabling the steel plate lock catch piles to sink into the foundation soil one by one; and if the sheet piles are formed by combining the multiple steel tube lock catch piles and the multiple steel plate lock catch piles, all the steel tube lock catch piles and the steel plate lock catch piles sink into the foundation soil one by one. The invention further discloses the hanger type pile hammer implementing the piling method. The piling method of the sheet pile retaining structure and the hanger type pile hammer can be applied to the sheet pile retaining construction of multiple pile type combination, the load intensity of a sheet pile structure of the multiple pile type combination can be improved, multiple use of a hammer is achieved, the equipment cost is saved, and the construction efficiency is improved.

The invention discloses an agricultural plant protection unmanned aerial vehicle capable of spraying in a large area. The agricultural plant protection unmanned aerial vehicle comprises a rack and four supporting legs arranged on the rack, the bottom of the rack is fixedly connected with a liquid storage barrel, a mounting shaft is rotatably mounted in the liquid storage barrel, the outer wall of the mounting shaft is connected with a stirring mechanism used for mixing pesticide liquid. One end of the mounting shaft extends to the outer wall of the liquid storage barrel and is fixedly provided with a driving paddle, the end, close to the driving paddle, of the liquid storage barrel is provided with a driving mechanism enabling the mounting shaft to rotate, and the other end of the mounting shaft extends to the outer wall of the liquid storage barrel and is fixedly provided with a second circular plate. Through the ingenious design of the structure, self-adaptive adjustment between the flight speed and the spraying amount of the unmanned aerial vehicle is achieved, so that the problem of uneven regional spraying is avoided, meanwhile, the unmanned aerial vehicle can adapt to different spraying environments conveniently, and the energy utilization rate is improved.

The invention discloses a machine needle driving mechanism for a spatial four-rod embroidery machine. The mechanism mainly comprises a power input part, a box body, a driving mechanism and a power output part, wherein the power input part mainly comprises a main shaft and a pair of bevel gears mounted on the main shaft and a driving rod; the driving mechanism comprises a spatial four-rod part and a planar four-rod part which are connected through a swinging shaft. According to the machine needle driving mechanism for the spatial four-rod embroidery machine, power is input by the main shaft, transmission is carried out through the bevel gears, swinging of the swinging shaft is realized through the spatial four-rod mechanism, the power is output through the planar four-rod mechanism, and a machine needle driving block can slide up and down. The stroke and movement speed of a needle rod can be regulated by regulating the planar four-rod part according to actual situations.

The invention belongs to the field of logistics, and particularly relates to a logistics storage device for agricultural and sideline products. Aiming at the existing problems, the following scheme isprovided, the logistics storage device comprises a base, wherein supporting legs are fixedly installed at the four corners of the bottom of the base; a groove is formed in the top of the base; straight holes are formed in the four corners of the inner wall of the bottom of the groove; screw rods are movably installed in the four straight holes; the two ends of the screw rods extend out of the straight holes; screw rod guide sleeves are connected to the screw rods in a sleeving mode; the bottom sides of the screw rod guide sleeves are rotationally installed on the inner wall of the bottom of the groove; limiting blocks are fixedly installed at the bottom ends of the screw rods; and a first cavity is formed in the base. According to the logistics storage device, the defects in the prior artare overcome, so that people can adjust the height of a placing plate to realize unloading of the agricultural and sideline products; and the unloaded bottom-layer placing plate can be disassembled,so that the placing plate at a higher layer can be conveniently descended for unloading.