247 results about "Draw plate" patented technology

The utility model discloses a tensioning mechanism for preventing steel roller from sliding, which comprises two symmetrically arranged mounting plates and a rolling steel roller, a bearing rod is fixedly inserted in the rolling steel roller, the two mounting plates are both provided with bearing grooves corresponding to the bearing rod, the bearing rod is inserted in the bearing grooves, and the rolling steel roller is arranged in the bearing grooves. Connecting plates are fixedly connected to the opposite sides of the two mounting plates, a traction plate is arranged on one side of each connecting plate, two electric telescopic rods which are symmetrically arranged are fixedly connected between the connecting plates and the traction plate, a vertical plate is fixedly connected to the top of one end of the traction plate, a motor is fixedly connected to the outer side wall of the vertical plate, and the motor is fixedly connected to the outer side wall of the vertical plate. According to the tensioning mechanism for preventing the steel roller from sliding, through the arrangement of the auxiliary driving assembly, the stability of the rolling steel roller during operation can be improved, the phenomenon that the rolling steel roller slips due to friction is avoided, and the tensioning mechanism for preventing the steel roller from sliding is suitable for application and popularization.

The utility model discloses a turn buckle rapid tensioning structure which comprises a pulling plate, an adjusting hole is formed in the middle of the pulling plate, a sleeve is arranged at each of the two ends of the pulling plate, the turn buckle rapid tensioning structure further comprises an adjusting screw rod, the adjusting screw rod penetrates through the sleeves and extends into the adjusting hole, and an adjusting nut is installed at the end, extending into the adjusting hole, of the adjusting screw rod. The sleeve structure is adopted, the adjusting nut is installed at the end, penetrating through the sleeve and extending into the adjusting hole, of the adjusting screw rod, and the adjusting screw rod is in non-threaded connection with the sleeve. The electric wrench socket head which is well adaptive to an electric tool is adopted to rotate the adjusting nut so as to adjust the tensioning force, manpower consumption is greatly reduced, and the construction efficiency is improved.

The invention relates to the technical field of railway vehicle chassis structures, and discloses a hinged type monorail vehicle chassis which comprises a main frame, a sleeper beam and a traction beam. The main frame comprises two sets of side longitudinal beams arranged side by side and two sets of side cross beams used for connecting the two sets of side longitudinal beams. The sleeper beam is parallel to the side cross beams, and the two ends of the sleeper beam are connected to the two sets of side longitudinal beams respectively; the traction beam and the side longitudinal beams are arranged in parallel, the two ends of the traction beam are connected to the two sets of side cross beams respectively, and the traction beam penetrates through the sleeper beam and is fixedly connected with the sleeper beam. And a traction plate is arranged on the traction beam. According to the double-layer truss type structural design, the traction beams, the side cross beams and the sleeper beams are composed, the weight is effectively reduced, and the structural strength and rigidity are guaranteed. Through the simple and convenient structure of the side cross beam, the stress on the side longitudinal beam can be effectively dispersed. The underframe structure is easy and convenient to construct, most of the underframe structure is made of profiles of the same or similar specifications, material preparation is easy and convenient, the welding amount is small, and the manufacturing time is saved by 30% or above.

The utility model provides a tree trimmer for forestry engineering, which relates to the technical field of tree trimming and comprises a power control mechanism, a storage pipe is arranged on the outer side of the power control mechanism, an electric telescopic rod is fixedly connected to the inner wall of the storage pipe, and an extension rod is slidably connected to the inside of the storage pipe. The end, away from the storage pipe, of the extension rod is fixedly connected with an electric saw, a stable holding distance adjusting mechanism is arranged on the outer side of the storage pipe, and the electric telescopic rod and the electric saw are electrically connected with the power control mechanism through wires. According to the tree pruning machine for forestry engineering, through mutual cooperation of a power control mechanism, a storage pipe, an electric telescopic rod, an extension rod, an electric saw, a fixing frame, a connecting sliding block, a first grip, a sliding pipe, a limiting guide rod, a return spring, a pulling plate, a limiting column, a limiting groove and a second grip, after the pulling plate is pulled away from the fixing frame, the limiting column can be away from the interior of the limiting groove, and therefore the tree pruning machine is convenient to use. And meanwhile, the limiting guide rod and the sliding pipe can extrude the return spring.

The invention relates to the technical field of building components, in particular to a steel reinforced concrete beam-column joint connecting structure and a construction method.The steel reinforced concrete beam-column joint connecting structure comprises a section steel column, the two sides of the section steel column are provided with two pieces of in-beam stretching section steel through opposite-pulling steel bars, and the top face of the in-beam stretching section steel and the bottom face of the in-beam stretching section steel are both provided with concrete beam steel bars; two limiting sleeves are arranged on a plate body of the in-beam extending section steel in a sleeving mode, the steel bar for the concrete beam is located between the in-beam extending section steel and the limiting sleeves, two traction plates are fixed to the surface of one limiting sleeve, and a connecting column is fixed to one end of each traction plate. The connecting structure has the beneficial effects that the opposite-pulling steel bars penetrate through the section steel column and the two pieces of section steel extending into the beam and are locked, so that the section steel column is tightly clamped by the two pieces of section steel extending into the beam, and stable connection is formed. By means of the connection mode, loads between the beam columns can be effectively transmitted, the stability and reliability of the joint when the joint bears various complex loads are guaranteed, and the overall safety of the structure is greatly improved.

The utility model discloses a drawing plate platform structure and a semitrailer, and particularly belongs to the technical field of semitrailers. Comprising a cargo platform used for bearing cargoes and a plurality of fixed positioning rods arranged in parallel, the fixed positioning rods are used for being fixedly connected with a semitrailer, a middle cross beam and symmetrical supporting beams are arranged between the cargo platform and the fixed positioning rods, the symmetrical supporting beams are axially fixed to the fixed positioning rods, and the middle cross beam is fixedly connected with the middle cross beam. The tops of the symmetrical supporting beams are fixedly connected with the cargo platform, and the middle cross beam is connected with the symmetrical supporting beams in a transversely penetrating mode and fixedly connected with the cargo platform. According to the utility model, the drawing plate frame beam is arranged on the cargo carrying platform of the semitrailer, and a drawing plate platform structure with a proper bearing area is selected on the drawing plate frame beam according to cargoes to be transported so as to adapt to the requirements of different cargoes; and when the transported goods return to the empty, the drawing plate platform structure is disassembled, so that the transportation cost can be saved, and the transportation cost is reduced.

The utility model relates to the technical field of aluminum profile production, and discloses a traction device for aluminum profile production, which comprises a traction table, the outer side of the traction table is fixedly connected with a linear transmission assembly, the top end of the linear transmission assembly is fixedly connected with a connecting block, the top end of the connecting block is fixedly connected with a traction frame, and the traction frame is fixedly connected with the traction table. A traction air cylinder is fixedly connected to the top end of the traction frame, a traction plate is fixedly connected to the bottom end of the telescopic end of the traction air cylinder, an anti-skid friction pad is fixedly connected to the inner side of the traction frame, a roller assembly is fixedly connected to the top end of the traction table, and a cleaning assembly is fixedly connected to the outer side of the traction table. The linear transmission assembly comprises a transmission motor fixedly connected to the outer side of the traction table, and the outer side of an output shaft of the transmission motor is fixedly connected with a linear threaded rod. The traction device for aluminum profile production has the advantages that the aluminum profile can be pulled, and the whole traction process is simple and rapid.

The utility model discloses a steel traction device convenient to fix, which relates to the technical field of steel processing, and comprises a bottom plate and a T-shaped limiting plate, and further comprises a traction mechanism arranged on the T-shaped limiting plate, the device comprises a T-shaped limiting plate, a limiting mechanism arranged on the T-shaped limiting plate, a traction plate, a limiting column, a rotating mechanism arranged on the traction plate, a moving mechanism arranged on the rotating mechanism, a rotating motor, a rotating roller, an L-shaped rotating plate, a cylindrical clamping mechanism arranged on the L-shaped rotating plate and an H-shaped clamping mechanism arranged on the L-shaped rotating plate. Through cooperation of a rotating motor, a rotating roller and an L-shaped rotating plate, appropriate cylindrical clamping mechanisms or H-shaped clamping mechanisms are replaced according to different types of steel, it is not needed to count and replace clamps any more, operation is convenient, and the machining efficiency is improved; and through cooperation of the rotating mechanism, the moving mechanism, the cylindrical clamping mechanism and the H-shaped clamping mechanism, steel of different sizes can be clamped and fixed.

The utility model relates to the technical field of leveling feeders, and discloses an angle adjusting mechanism of a leveling feeder, which comprises a conveyor, the surface of the conveyor is provided with a groove and a plurality of groups of positioning grooves, the plurality of groups of positioning grooves are arranged in an array shape, the groove is internally provided with a guide assembly, and the guide assembly is connected with the conveyor. The guide assembly comprises a moving seat, the moving seat is slidably connected into the groove, a traction plate is hinged to the surface of the moving seat, a mounting plate is hinged to the end of the traction plate, the end of the mounting plate is hinged to the surface of the conveyor, and a guide wheel is rotationally connected to the bottom face of the mounting plate. According to the angle adjusting mechanism, the angle of the mounting plate can be rapidly adjusted through linkage of the moving seat and the traction plate, then the distance between the guide wheels is changed, the angle adjusting mechanism can adapt to metal materials with different widths, and the angle adjusting mechanism of the leveling feeder can flexibly meet various machining requirements.

The utility model relates to the technical field of power distribution cabinets, in particular to a sliding structure for a low-voltage draw-out type power distribution cabinet, which comprises a power distribution cabinet body and two guide rails, the two guide rails are fixedly connected to the inner wall of the power distribution cabinet body, a bearing plate is slidably connected between the two guide rails, anti-sliding parts are arranged in the guide rails, and the bearing plate is provided with a sliding groove. The anti-sliding component comprises a fixing chamber, a cylinder, an extrusion plate, a rotating shaft, a straight gear and a pulling plate, the fixing chamber is fixedly connected to the inner wall of the guide rail, the extrusion plate is always attached to the bearing plate through the matching effect of the extrusion plate and a straight spring, a clamping force effect is exerted on the bearing plate, and the bearing plate is prevented from sliding; the phenomenon that the bearing plate slides due to slight shaking can be effectively avoided, when the bearing plate needs to be pulled out, only a rotating shaft needs to be rotated, the rotating shaft drives a pulling plate to move through a straight gear, the pulling plate pulls an extrusion plate to move in the direction away from the bearing plate, and the anti-skid effect on the bearing plate is relieved.

The utility model discloses a gluing device for a dry-type compound machine, and relates to the technical field of cable processing. The device comprises a mounting base and a heating base, the heating base is mounted at one end of the upper surface of the mounting base, a glue storage box is mounted on the upper surface of the heating base, a first connecting shaft is mounted on the inner wall of the glue storage box, a gluing roller is rotatably mounted on the peripheral side face of the first connecting shaft, a drying box is mounted on one side of the heating base, and a mounting block is welded to one surface of the drying box; mounting grooves are formed in the upper surfaces of the mounting blocks, screw rods are rotationally mounted in the mounting grooves, moving blocks are screwed to the peripheral side surfaces of the screw rods, and traction plates are welded to the lower surfaces of the moving blocks. Through the heating base structure, the glue storage box can be conveniently subjected to heating constant-temperature treatment, the situation that glue is solidified in cold weather is avoided, meanwhile, through the gluing roller and the tensioning roller structure, a cable is in a V shape in the gluing process, the contact time of the cable is prolonged, and the gluing effect of the device is improved.

The invention discloses an intelligent construction system for river landscape and a construction method thereof, and relates to the technical field of ground landscape construction.The intelligent construction system comprises a transverse frame, fixing frames are connected to the two ends of the transverse frame correspondingly, intelligent adjusting and walking spraying mechanisms are arranged at the two ends of each fixing frame correspondingly, and each intelligent adjusting and walking spraying mechanism comprises a splicing plate; the invention relates to the technical field of ground landscape construction, the intelligent adjusting and walking spraying mechanism is arranged, through cooperation of a movable top block, a trapezoidal block, a traction plate, a rotating plate, a sliding rod and a plug plate, the movable top block, the trapezoidal block, the traction plate, the rotating plate, the sliding rod and the plug plate are matched, the movable top block, the trapezoidal block, the traction plate, the rotating plate, the sliding rod and the plug plate are matched, and the movable top block, the trapezoidal block, the traction plate and the plug plate are matched. According to the width of the pouring ground, the redundant material spraying pipes are sealed, the material spraying pipes above the pouring ground are kept in the original state, the concrete spraying range is limited above the pouring ground, the material spraying pipes are matched with the material blocking plates for blocking, and the phenomenon that concrete splashes everywhere is prevented.

The utility model discloses an electrical installation thin box, and relates to the technical field of accessories for switch sockets and other electrical parts, in particular to an electrical installation thin box which comprises a bottom box, a switch socket panel and an installation plate, a cavity block is installed on the inner wall of the bottom box, a contraction spring is installed in the cavity block, and an adjusting rod is installed at one end of the contraction spring. And positioning sliding blocks are mounted at the top and the bottom of the adjusting rod. According to the electrical installation thin box, through the arrangement of the bottom box, the installation plate, the cavity block, the contraction spring, the adjusting rod, the positioning sliding block, a pulling plate, a connecting rod, a positioning block and a bolt, the electrical installation thin box has the effect of facilitating installation and connection between the bottom box and a wall body, and through cooperation of the bolt and the installation plate, the installation plate is conveniently installed in the wall body; through the arrangement of the positioning blocks, connection between the bottom box and the mounting plate is facilitated, then connection between the bottom box and the wall body is facilitated, the bottom box is convenient to disassemble, and the purpose of improving practicability is achieved.

The utility model relates to the technical field of tensioning shafts, in particular to a tension adjusting device of a re-beaming machine, which comprises a mounting frame used for being mounted on a rack of the re-beaming machine, an electric telescopic rod is fixed on the top surface of the mounting frame, a piston rod of the electric telescopic rod penetrates through a top plate of the mounting frame, and a lifting frame is fixed at the bottom end of the piston rod of the electric telescopic rod. A tensioning roller is rotationally connected into the lifting frame, connecting blocks are fixed to the two ends of the lifting frame, a traction plate is fixed to one end of each connecting block and penetrates through the top plate of the mounting frame, and a pulley is rotationally connected to the top end of each traction plate; the device has the beneficial effects that the height of the lifting frame can be accurately controlled through the telescopic movement of the electric telescopic rod, so that the downward pressure of the tensioning roller is adjusted, and the purpose of adjusting the fabric tension is achieved. When the device needs to be dismounted from the warp rebeaming machine, the device can be easily dismounted only by loosening the bolts; after the device is inverted, the pulleys make contact with the ground, pushing, sliding and transferring are facilitated, and the flexibility and mobility of the device are improved.

The utility model discloses a ceramic tile sintering device, relates to the ceramic tile production field, including firing box and set up the card rail on the left and right sides in the firing box, the card rail inside is movably installed with the draw plate, the inside of draw plate is movably installed with the fixed subassembly, the outside of firing box is fixedly installed with the cooling subassembly, and the cooling subassembly is fixed with the cooling subassembly. The drawing plate comprises a plate body, a first guide groove and a second guide groove, wherein the first guide groove and the second guide groove are formed in the top of the plate body, and the two first guide grooves are arranged in a bilateral symmetry mode. Rotation of the rotating rod is matched with transmission of the bevel gear to drive the two-way screw to rotate, and then the second sliding block is driven to move inwards along the two-way screw so that the ceramic tile frame can be clamped between the limiting plates to be limited. And then a second hand wheel is rotated to drive a threaded rod to rotate to drive a first sliding block to slide along a first guide groove, so that a limiting plate at the top of the first sliding block limits and fixes the front side corner of the ceramic tile frame, operation is convenient, and ceramic tile frames of different sizes can be conveniently fixed.

The utility model relates to the technical field of wiring harness positioning, disclose a wiring harness positioning device for automobile wiring harness, including fixed mounting panel, the outside front side upper and lower ends of fixed mounting panel all are fixedly connected with wiring harness arrangement mechanism, the outside rear side fixed connection of fixed mounting panel has dismounting mechanism, the wiring harness arrangement mechanism includes through -hole plate, the outside fixed connection of through -hole plate in the outside front side upper and lower ends of fixed mounting panel, the inside slide connection of through -hole plate has slide clamp plate. In the utility model, press the slide clamp plate extrusion telescopic rod by pressing draw plate, after putting in wiring harness, loosen, the telescopic rod rebound lets the slide clamp plate and through -hole plate through -hole misregistration clamping tight wiring harness, pull the draw bar and make the slide clamp bar separate the slot adjustment through -hole plate position, loosen after spring rebound fixed, clamping tight firm, position adjustment nimble, adapt to different wiring harness and installation demand, convenient operation, promote wiring harness arrangement efficiency.

The utility model relates to the technical field of welding, and discloses a titanium tube and tube plate corner joint welding protection device which comprises a gas conveying tube, the outer wall of the gas conveying tube is fixedly connected with two sets of plugs which are symmetrically arranged, and the outer wall, located between the two sets of plugs, of the gas conveying tube is provided with a plurality of sets of exhaust holes which are distributed in an array mode. Adjusting assemblies are arranged on the opposite end faces of the two plugs, each adjusting assembly comprises a sliding groove, the sliding grooves are formed in the end faces of the plugs, sliding rods are slidably connected into the sliding grooves, the sliding rods penetrate through the outer walls of the plugs and are slidably connected to the outer walls of the plugs, and arc-shaped opening plates are fixedly connected to the ends of the sliding rods. According to the titanium tube and tube plate corner joint welding protection device, the rotating wheel is rotated to move along the outer wall of the gas conveying tube, so that the circular ring is driven to move synchronously, movement of the circular ring is converted into sliding of the sliding rod in the sliding groove through the traction plate, the annular silica gel ring can adapt to titanium tubes with different tube diameters, and the reliability of the sealing effect is ensured.

The utility model discloses a dairy product storage tank convenient to disinfect, and relates to the field of dairy product storage tanks, the dairy product storage tank comprises a tank body, the top of the tank body is provided with a mounting port, the top of the tank body is also provided with a mounting ring through a bolt, and the inside of the mounting ring is connected with a turntable through a bearing. By arranging the lifting ring, the first pulling plate, the stirring blades, the second pulling plate, the threaded rod, the rotating shaft, the worm and the worm wheel, when the angle of the stirring blades needs to be adjusted, a worker rotates the worm through a knob, the worm rotates to drive the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, and the rotating shaft rotates to drive the threaded rod to rotate; a threaded rod rotates to drive a lifting ring to move, a first pulling plate is pulled to rotate when the lifting ring moves, and the first pulling plate pulls four stirring blades above to rotate, then pulls a second pulling plate to rotate and drives stirring blades below to rotate, so that the inclination angle of the stirring blades is adjusted, and the stirring effect and efficiency of the dairy products are further improved.

The invention provides an assembly structure traction plate, which comprises a traction head, a dragging component and a tail hammer, the traction head comprises a traction head main body and an assembly component, the assembly component is assembled and fixed with the traction head main body through a bolt, the dragging component comprises a dragging component main body and a plurality of second rotary connectors, and the tail hammer is arranged on the dragging component main body. A tail hammer is rotationally connected to a middle shaft at the right end of the dragging component body, the second rotary connector is rotationally connected with the right end shaft of the dragging component body, and the assembling component is rotationally connected with the dragging component shaft; the device has the advantages of being capable of being assembled, convenient to maintain, wide in application range and the like.

The utility model provides a pull disc whole-assembling structure which comprises a left side whole-assembling portion, a right side whole-assembling portion and a whole-assembling bottom, the left side whole-assembling portion and the right side whole-assembling portion are respectively clamped on two sides of the whole-assembling bottom to form a groove used for placing a pull disc, the groove is composed of a plurality of circular grooves, the plurality of circular grooves sequentially form steps, a front step is formed close to the left side whole-assembling portion, and a rear step is formed close to the right side whole-assembling portion. An inverted step is formed on the right side integral part close to the right side integral part, and each circular groove is matched with the pull disc. The stepped circular groove design is matched with a plurality of pull discs, anti-slip fall is naturally formed during stacking, one-key disassembly and assembly are achieved through the magnetic iron shaft structure, transportation and storage are facilitated, and the surfaces of the pull discs are prevented from being damaged by edges and corners due to arcing of the two ends of the rectangular section.

The utility model discloses auxiliary positioning equipment for water conservancy and hydropower pipeline construction, which relates to the technical field of pipeline construction and comprises a base, a notch is arranged on one side of the base, a mounting shaft is fixedly mounted in the notch, and a rotating seat is rotatably mounted on the outer side of the mounting shaft. Two fixing holes are formed in each of the two sides of the rotating seat, two sliding grooves are formed in the base, sliding blocks are installed in the sliding grooves in a sliding mode, springs are installed in the sliding grooves, fixing rods are fixedly installed on one sides of the sliding blocks, and the fixing rods are matched with the fixing holes. Compared with the prior art, the auxiliary positioning device has the advantages that through the arrangement of the notch, the mounting shaft, the rotating seat, the fixing hole, the sliding groove, the sliding block, the spring, the fixing rod, the pulling plate and the pulling groove, the auxiliary positioning direction can be adjusted in cooperation with the auxiliary positioning device according to different mounting requirements, and therefore the auxiliary positioning device can be suitable for open channel and underground mounting and is higher in overall compatibility and convenient and fast to use.

The utility model belongs to the technical field of screw tightening guns, and particularly relates to a screw tightening device which is characterized in that a square rod, a universal joint, an adjusting screw rod and an extension screw rod are arranged, so that the extension screw rod can be rotated to drive a rotating rod to move in a narrow space, and the rotating rod drives a clamping assembly to extend to a proper length; then an adjusting screw rod is rotated, the adjusting screw rod pulls a pull plate to move through threaded connection of the adjusting screw rod and an extension block, so that one end of a universal joint is driven by the pull plate to move to a proper angle, a screw is clamped through a clamping assembly, and the screw conveniently enters a narrow position through movement of a rotating rod; then a driving motor is started to drive a square rod to rotate, the square rod drives a rotating rod and a universal joint to rotate, the universal joint drives a clamping assembly to rotate, then a screw can be conveniently screwed into a mounting position, the device can conveniently drive the screw to enter a narrow position, the direction of the screw is adjusted for mounting, and the universality of the device is improved.

The utility model relates to the technical field of cranes, and discloses an easy-to-disassemble movable container portal crane which comprises a main body assembly, the main body assembly comprises two mounting plates, the bottom of the main body assembly is fixedly connected with a base, and the two mounting plates are symmetrically arranged; the cross beam is arranged on the two mounting plates; the hoisting mechanism is arranged on the cross beam; a dismounting assembly is arranged on the mounting plate; the device has the advantages of being convenient to disassemble and high in disassembling efficiency, when the device needs to be disassembled, an operator drives the two first threaded rods to rotate at the same time through the driving mechanism, the two first threaded rods drive the extrusion blocks on the two sides to cancel extrusion on the limiting blocks on the same side, and therefore the device can be disassembled conveniently. And then an operator pulls pulling plates on the two sides to drive limiting blocks on the two sides to move out of a connecting plate and a mounting plate on the same side, so that the operator can dismount the connecting plate driving cross beam and devices on the cross beam, and the problems that dismounting is inconvenient, and the dismounting efficiency is low are solved.

The utility model discloses a punching device for folding box production, which comprises a support, an object placing plate is fixedly connected in the support, a double-shaft motor is fixedly connected at the inner bottom of the support, worms are fixedly connected on output shafts at two ends of the double-shaft motor, a worm gear is arranged on one side of each worm, a threaded rod is fixedly inserted on each worm gear, and the threaded rods are fixedly connected with the two ends of the double-shaft motor. The threaded rod is rotationally connected with the support, the top end of the threaded rod is sleeved with a traction plate in a threaded mode, a screw hole corresponding to the threaded rod is formed in the traction plate, the top end of the traction plate penetrates through the storage plate and is fixedly connected with a pressing plate, and an electric telescopic rod is fixedly connected to the inner top of the support. According to the punching device for folding box production, a box plate needing to be drilled is conveniently clamped and fixed to the top end of the workbench through a reinforcing assembly, the box plate is prevented from deviating during drilling work, and waste chips generated during punching can be collected.

The present application relates to a kind of vegetable matrix block seedling whole tray shedding device, including combination seedling tray and seedling sending device;The combination seedling tray includes first combination board, second combination board, draw plate and first side plate, forms the square box body with top opening;Second combination board is evenly distributed between two first side plates;Draw plate is equipped with several strip grooves, first side plate is equipped with through hole, and support rod is inserted into the through hole of draw plate;The seedling sending device includes conveying belt, second side plate and vertical plate, the lower portion of second combination board is equipped with the first slit of downward opening, and vertical plate is inserted into the first slit of corresponding second combination board;The lower portion of first side plate is equipped with the second slit of downward opening, and second side plate is inserted into the second slit of corresponding first side plate.The present application can realize the shedding of whole tray matrix block seedling, and greatly improves seedling taking efficiency.

The utility model provides an extrusion aluminium bar end protection device relates to aluminium bar production technical field, including device base, the bottom installation of device base supports the foot, the top installation of device base has the transport cabin, the side surface mounting of transport cabin has the guide plate, the inside surface mounting of transport cabin has the lead screw, the side surface mounting of lead screw has the transport roller, the inside top of transport cabin installs first sleeve, the bottom installation of first sleeve has first telescopic link, the bottom installation of first telescopic link has the limit ring, the top of device base is installed in the one side of near transport cabin and has the tow plate, the inside surface mounting of tow plate has the snap ring, the inside surface mounting of snap ring has pressure detection sensor, the surface mounting of snap ring has second telescopic link, has increased the stability of aluminium bar when conveying, has reduced the damage that aluminium bar end because of the collision easily caused.

The utility model relates to circuit board technical field especially an electromagnetic shield type anti -interference circuit board, including circuit board main part, the top of circuit board main part is provided with a plurality of symmetrical electronic components of setting, the top of circuit board main part is fixedly installed with bottom frame through bolt, the utility model has the advantages of: when needing to overhaul electronic components, press the arc spring piece to make it separate from the clamping groove of electromagnetic shield frame, pull up electromagnetic shield top cap, make the plug -in rod pull out from the plug -in hole, can directly overhaul the electronic components in the frame, if need more comprehensive overhaul, can pull the draw plate, drive the slide plate compression spring through the connecting rod, make the clamping plate separate from the locking plate, take out electromagnetic shield frame upwards, further convenient overhaul operation. This operation step passes through the clamping structure of arc spring piece and clamping groove, has realized the quick disassembly of electromagnetic shield top cap, need not to disassemble frame to directly overhaul electronic components.