70results about How to "Reduce bumps" patented technology

This utility model discloses a container, comprising a frame, a top panel, side panels, end panels, and door panels. At least one of the top panel, side panels, end panels, and door panels includes at least two layers: a steel plate and a composite material plate. The steel plate is fixedly connected to the frame. The composite material plate is located on at least one side of the steel plate facing inwards and outwards, and is fixedly connected to the steel plate. The composite material plate has the same shape as the steel plate to be integrally fitted with it, or the composite material plate is flat and partially fitted with the steel plate. According to this utility model, at least one of the top panel, side panels, end panels, and door panels is configured as a two- or multi-layer structure, wherein the side of the steel plate facing inwards and / or the side facing outwards is a composite material plate. This design allows the container to meet long-term requirements for wear resistance, acid and alkali resistance, salt spray resistance, and mildew resistance. Furthermore, container wall maintenance is relatively simple and inexpensive.

The utility model relates to wire drawing machine pay -off technical field, and disclose a wire drawing machine pay -off device with line pressing structure, including bottom plate, pressure mechanism and abutting mechanism, the upper surface fixed connection of bottom plate has the support plate for supporting pay -off roll, the top of support plate is equipped with the fixed ring for fixed pay -off roll, one side of bottom plate is equipped with support column, the pressure mechanism is established in the top of support column, the pressure mechanism sets up in the circumference of pay -off roll upper, the utility model provides a wire drawing machine pay -off device with line pressing structure, through the cooperation setting of bottom plate, support column and pressure mechanism, can press the steel wire rope on the line roller in the upper, make the movement of steel wire more smooth in the pay -off process, reduce the knot of the steel wire between the occurrence, further cooperation setting abutting mechanism in the bottom, can extrude the steel wire on the line roller from below, make the steel wire more stable when paying -off.

The utility model relates to the technical field of papermaking mesh production, and discloses a drying device for monofilament papermaking mesh production, which comprises a shell, a cavity is arranged in the middle of an inner cavity of the shell, a motor is fixedly mounted on the rear portion of the inner cavity of the cavity, and a rotating handle is fixedly connected onto an output shaft of the motor through a coupler. The front portion of the rotating handle is movably connected with a traction rod through a shaft, the bottom end of the traction rod is movably connected with a lifting rod through a shaft, the lifting rod is movably connected with the bottom of an inner cavity of the cavity in a sleeved mode, a connecting block is fixedly installed at the bottom end of the lifting rod, and the bottom of the connecting block is movably connected with a stretching roller through a shaft. The stretching roller is driven by the motor to stretch and shake the monofilament papermaking mesh, material shrinkage stress is counteracted, mesh hole blockage and deformation caused by monofilament winding or adhesion are avoided, surface roughness or protrusions are reduced through mesh piece tensioning, the flatness requirement is met, water in the material is migrated through shaking, the water content is reduced, and therefore the needed drying time is shortened. The device working efficiency is improved.

This invention relates to aqueous sols and organic solvent sols containing highly stable hollow silica particles, and further to methods for improving the stability of the aforementioned sols, which have suffered reduced storage stability, and methods for manufacturing such sols. To this end, a hollow silica sol is provided, containing hollow silica particles with spaces within the outer shell and monovalent alkali metal ions, wherein the molar number of these monovalent alkali metal ions, converted to M₂O (M representing a monovalent alkali metal atom), is 7.12 × 10⁻⁶ moles of SiO₂ in the hollow silica particles. ‑6 ~285×10 ‑6 The sol contains hollow silica particles and monovalent alkali metal ions in a specific ratio. After being stored at 50°C for 48 hours, the average particle size measured by dynamic light scattering (DLS) is within 2.0 times that of the average particle size measured by DLS before storage. The average particle size measured by DLS is 20–150 nm. A stabilization method involves adding monovalent alkali metal ions to the hollow silica sol, where the DLS particle size value is larger than that during manufacturing, in the aforementioned ratio of monovalent alkali metal ions to SiO2 in the hollow silica particles, thereby reducing the increased DLS particle size value.

The utility model discloses a roof color steel sheet pulley traction auxiliary device relates to building installation equipment technical field. Including: frame, be rectangular, be equipped with side edge opening, be used for the color steel plate end part and insert, universal pulley, fixed mounting is in the upper and lower end surface of frame side edge opening, fixing device is used for with frame fixed color steel plate, traction rope, one end connection frame, the other end connection traction mechanism. The utility model aims at solving the problem that color steel plate is easy to knock, tremble and fall off in the process of dragging and transporting, improves installation efficiency and safety, reduces the labor intensity of operating personnel.

The invention provides a longitudinal beam replacement device and method for a coal mine belt conveyor, and belongs to the technical field of mining machinery maintenance. The device comprises a moving platform, a walking mechanism, a carrier roller frame jacking mechanism and a first driving mechanism. The walking mechanism is arranged at the top of the moving platform and is embedded into a notch of the longitudinal beam to roll; the carrier roller frame jacking mechanism is installed on the moving platform and comprises a second driving mechanism, a transmission connecting rod assembly and a top bearing beam, the second driving mechanism drives the transmission connecting rod assembly to enable the top bearing beam to vertically ascend and descend, and therefore the upper groove carrier roller frame is jacked up or put down; the first driving mechanism drives the moving platform to move along the longitudinal beam. The device has the beneficial effects that the belt conveyor longitudinal beam is used as a walking track, rapid migration of the device is achieved through driving of the first driving mechanism, simultaneous jacking of multiple sets of carrier roller frames is achieved through the transmission connecting rod assembly, an operation space is provided for replacement of the belt conveyor longitudinal beam, the manual carrying strength is remarkably reduced, and the working efficiency is improved. And the longitudinal beam replacement efficiency and the operation safety are improved.

The present disclosure belongs to the field of fly ash processing, and discloses a fly ash alkali-activated light material grinding ball device, which comprises a placing rack, a pair of symmetrically placed support plates are fixedly connected to the placing rack, mounting blocks are fixedly connected to the support plates, flow guide pipes in rotating connection are arranged on the mounting blocks, the flow guide pipes are horizontally placed, the two flow guide pipes are coaxially placed, a cylinder is fixedly connected between the two flow guide pipes, the cylinder is coaxially placed with the flow guide pipes, the cylinder is in the form of a sealed hollow shell, and the flow guide pipes are in through connection with the inside of the cylinder; through the separate arrangement of the coarse grinding bin and the fine grinding bin, and in cooperation with the ring sleeve, the fixing frame, the connecting strip, the sleeve, the spring, the sliding shaft and the scraping plug, the blocked particles in the arc grate gap can be timely cleaned and discharged in the working process.

This utility model relates to a push-to-open cover structure, which includes a top cover rotatably mounted on the upper side of the body via a torsion spring structure. A hydraulic damping rod is provided on the rear side of the body, and an end cap is installed at the telescopic end of the hydraulic damping rod. A protrusion is installed on the rear side of the top cover, and the protrusion contacts the end cap. A hook rod is rotatably mounted on the lower side of the top cover via a torsion spring structure. An inclined fixing block is provided on the upper side of the body. An unlocking mechanism is provided inside the body, which can separate the hook claw of the hook rod from the inclined fixing block. Through the hydraulic damping rod, when the top cover is opened, the protrusion applies pressure to the end cap, while the telescopic end of the hydraulic damping rod slowly retracts, thereby limiting the opening speed of the top cover. This ensures that the top cover can open at a relatively gentle speed, avoiding the situation where the opening is too fast and stops abruptly under the action of the torsion spring, which could easily lead to damage to the connection and reduced service life.

The utility model discloses an outside rear-view mirror wire harness plugging and fixing structure, which comprises a rear-view mirror shell, a plug and a socket, a mounting groove is arranged on the rear-view mirror shell, a first mounting piece is fixedly arranged on one side above the mounting groove, a second mounting piece is movably arranged on the inner side of the mounting groove, and the plug is inserted into the second mounting piece. The plug and the socket are installed on the first installation part and the second installation part respectively, a first fixing part is arranged above the first installation part, a second fixing part is arranged above the second installation part, and the first fixing part and the second fixing part are used for fixing the plug and the socket. According to the utility model, the clamping rings on the two sides are clamped on the clamping grooves so as to fix the connection between the plug and the socket, and the rotating bolt is rotated so as to enable the threaded rod to drive the second fixing piece and the second mounting piece to move, namely, the connection between the plug and the socket is fixed. And the loosening condition can be effectively avoided.

The utility model discloses a kind of urea nozzle test cleaning trolley, by setting test cleaning component, including L-type support, urea nozzle and collection container, the working condition of urea nozzle is simulated on trolley, external cleaning agent, and then realize the effect of quickly cleaning urea nozzle, by repeatedly simulating urea nozzle work, observe the injection state of collection container inner wall, judge whether urea nozzle is cleaned successfully or whether it needs to be replaced.Compared with prior art, the utility model is integrated by low cost design, so that maintenance personnel can efficiently complete urea nozzle cleaning+test series of work, it is convenient for on-site operation, shorten the repair time, improve fault handling rate, reduce the cost of spare parts replacement.

The present application provides a prefabricated subway station lining structure joint, comprising a prefabricated lining structure tenon end and a prefabricated lining structure mortise end. The prefabricated lining structure tenon end comprises a water stop and a tenon end connecting part, the water stop is made of water-swelling rubber water stop, the cross sections of the water stop and the tenon end connecting part are both trapezoidal, and the water stop and the tenon end connecting part form a stepped protrusion; the prefabricated lining structure mortise end is provided with a water stop installation groove and a mortise end connecting part, the cross sections of the water stop installation groove and the mortise end connecting part are both trapezoidal, the water stop installation groove and the mortise end connecting part form a stepped through groove, so that the prefabricated lining structure tenon end is embedded in the prefabricated lining structure mortise end to realize the mortise-and-tenon connection. The mortise-and-tenon structure design is helpful for positioning and hoisting, increases the connection strength of the prefabricated lining structure, is convenient for installation and construction, prolongs the water seepage path between the prefabricated lining structures, and improves the waterproof performance.

This invention relates to a large object conveying and fixing mechanism, belonging to the field of logistics transportation technology. It includes: a loading base; two sets of side clamping plates symmetrically distributed on the loading base to limit and fix large objects between the two sets of side clamping plates; pre-embedded anchors fixed to the loading base, the pre-embedded anchors being two sets symmetrically distributed on the loading base and corresponding one-to-one with the two sets of side clamping plates, each set of pre-embedded anchors having an inclined support rod supported on a set of side clamping plates at a close distance; wherein each set of side clamping plates is connected to a rope, the rope passing around the large object and connected to a set of pre-embedded anchors at a relatively far end of the side clamping plates; and a placement gap filling mechanism, which fills the gap between two adjacent sets of large objects to prevent the large objects from shaking and bumping within the loading space.

The utility model relates to the technical field of glasses frame, especially a glasses frame preventing spectacle lens from falling off, including glasses frame and the glasses leg connected with both ends thereof, the middle of glasses frame is provided with the lens, the both sides of lens are provided with the anti -drop mechanism, the middle of the upper and lower ends of lens is provided with the jacking mechanism. Advantageous effect lies in: the utility model drives the clamping strip to be tightly clamped in the edge of both sides of lens by the limiting frame, simultaneously, the dowel pin passes through the insertion hole and inserts into the positioning groove, makes the limiting frame stable setting in the inside of glasses frame, and is clamped to lens through the clamping strip tightly and stably, prevents the lens from falling off glasses frame, the jacking stud passes through the connecting hole, and is jacked through the jacking pad in the middle of the upper and lower ends of lens, keeps lens fastening jacking in the inside of glasses frame, improves the stability that lens installs uses.

The application discloses a stator core group feeding mechanism, which can continuously and stably feed stator cores. The mechanism comprises a stacking plate, a feeding assembly, a front pushing assembly, a lifting assembly, a discharging assembly and a receiving assembly. The front pushing assembly is installed at one end of the stacking plate, the feeding assembly is installed at one side of the stacking plate, the lifting assembly is installed at the other end of the stacking plate and corresponds to the stacking plate, the discharging assembly is installed on the discharging assembly and corresponds to the lifting assembly, and the receiving assembly is installed at the other side of the lifting assembly and corresponds to the discharging assembly. The mechanism can continuously and stably feed stator cores, facilitate the movement of the stator cores, facilitate the batch placement of the stator cores, differentiate the stator cores, facilitate the discharging of the stator cores, prevent the collapse of the stator cores, continuously push out the stator cores, facilitate the movement of the pushed-out stator cores, and reduce the knocking during the discharging process.

The invention provides steam turbine rotor automatic milling equipment and method, and mainly relates to the field of steam turbine rotor milling. Automatic milling equipment for a steam turbine rotor comprises a base, machine bases are arranged at the two ends of the base, clamping mechanisms are rotationally arranged on the machine bases, parallel sliding rails and servo transverse moving mechanisms are arranged on at least one side of the base, transverse moving seats are arranged on the parallel sliding rails, and groove milling machine heads are arranged on the transverse moving seats. A bottom sliding rail parallel to the parallel sliding rail and a bottom transverse moving mechanism are arranged on the base, a supporting seat is arranged on the bottom sliding rail, an adjusting cylinder used for driving an adjusting seat is arranged on the supporting seat, a vertical sliding rail and a lifting cylinder are arranged on the adjusting seat, a lifting seat is arranged on the vertical sliding rail in a sliding mode, and the lifting cylinder is used for jacking the lifting seat. And a V-shaped groove is formed in the top of the lifting seat. The method has the beneficial effects that the unbalance amount caused by the gravity of the steam turbine rotor can be counteracted, and the milling groove machining precision of the rotor impeller is improved.

The utility model discloses an automatic feeding device in the technical field of cross shaft processing, which comprises a connecting plate, a curve slide way and a leading-in plate, and the curve slide way is connected with the connecting plate and the leading-in plate up and down; the curve slide way comprises four curve-shaped limiting battens, each limiting batten comprises a vertical section, a curve section and a guide-in section, and gaps among the limiting battens are used for allowing workpieces to penetrate through; the vertical section of the limiting strip plate is used for vertically bearing the connecting plate for blanking, the curve section is used for generating friction through transverse displacement to slow down falling of the workpiece, and the guide-in section is used for enabling the workpiece to horizontally fall on the guide-in plate; a cross-shaped groove is formed in the end part of the connecting plate and is used for guiding a workpiece into the curve slide way in a specific shape; the universal joint pin piece can stably fall on the guide-in plate without bounce when falling to the ground, so that the direction of the universal joint pin piece is prevented from being changed, the problem of conveying of workpieces with height difference between a front station and a rear station can be solved, the front station and the rear station are better connected, secondary material arrangement after conveying is omitted, and the transfer efficiency is high.

The utility model discloses a flexible rear axle mechanism, which relates to the technical field of vehicle rear axles, and is characterized in that when a vehicle is on a flat road, the distance between two cross beams is enabled to be maximum, and then a limiting block is driven by a driving piece to slide, so that the limiting block moves towards one side close to a middle piece; the first limiting end face is attached to the second limiting end face, the first cross beam is limited to rotate relative to the middle piece, the two cross beams are kept in the maximum distance state, the distance between the two cross beams is not changed, and the vehicle enters a stable mode; on a bumpy or easily-slippery road surface, the driving piece drives the limiting block to slide, so that the first limiting end face is separated from the second limiting end face; the first cross beam can rotate relative to the middle part, and when the tires mounted on the mounting plate are bumpy or slip, the two cross beams swing relatively, so that the bumpy degree of a vehicle is reduced, the slip condition of the vehicle is reduced, and the driving safety is improved.

The application discloses a novel foldable blade, which comprises a blade body, the blade body is divided into a pressure surface and a suction surface, the blade body is a three-section structure, a folding structure is connected between every two adjacent blades, a locking structure is arranged on the end surface of every two adjacent blades, a folding area compensation structure is arranged on the suction surface, the folding structure is used for driving the blade body to fold or unfold, when the blade body is unfolded, the three-section blades form a linear shape, the end surfaces of every two adjacent blades are tightly attached to each other and are locked through the locking structure, when the blade body is folded, the two blades located at the two ends of the three-section blades are folded towards the suction surface of the blade located in the middle, forming a U-shaped structure, and the folding area compensation structure is used for preventing the suction surfaces of the two adjacent blades from colliding. The application can effectively shorten the length of the blade, reduce the load of the blade tip which is easy to be damaged, and guarantee the aerodynamic performance and structural safety of the blade.

The utility model belongs to cigarette machine design technical field discloses a bearing installation subassembly and packaging device thereof. Bearing installation subassembly includes mounting seat, first fixed part and second fixed part, and mounting seat is provided with the accommodation groove and two installation through -hole of accommodating bearing, and installation through -hole communicates with the accommodation groove, and two inner groove walls of accommodation groove are provided with annular protruding, and annular protruding surrounds installation through -hole, first fixed part and second fixed part can respectively be threaded in two installation through -holes, and first fixed part and / or second fixed part are threaded in the inner hole of bearing, and first fixed part and second fixed part can fix bearing and mounting seat, and the end of first fixed part and second fixed part away from each other can be flush with the outer surface of mounting seat, bearing installation subassembly provided by the utility model can reduce bearing installation difficulty, improve bearing installation efficiency. Packaging device includes first paper guide wheel subassembly, mounting bracket and bearing installation subassembly, and packaging device can improve packaging efficiency.

The invention belongs to the technical field of macromolecules, and particularly relates to a polyester film for a transparent back plate and a preparation method thereof. The polyester film comprises a base film and a coating attached to the outer surface of the base film. The base film comprises the following raw materials in parts by weight: 100 parts of PET slices and 12-15 parts of polyester copolymerized master batch; in parts by weight, the coating is obtained by coating and curing paint; the coating is prepared from the following raw materials in parts by weight: 8 to 15 parts of epoxidized hydroxyl-terminated liquid polybutadiene, 25 to 32 parts of glycidyl methacrylate, 10 to 15 parts of coupling agent modified hydroxyl aluminum oxide, 10 to 20 parts of water, 4 to 5 parts of hexamethylene diisocyanate tripolymer, 0.2 to 0.3 part of catalyst, 20 to 30 parts of urethane acrylate, 8 to 15 parts of styrene-acrylic emulsion, 1.5 to 2.5 parts of photoinitiator and 2.5 to 3.5 parts of polydimethylsiloxane. The polyester film for the transparent back plate is good in transparency and excellent in high-temperature and high-humidity resistance.

The utility model discloses a portable UPS (Uninterrupted Power Supply) maintenance toolbox, which relates to the technical field of toolboxes, and comprises two hinged half box bodies, a handle and a connecting buckle are arranged on the half box bodies far away from the hinged end parts, partition plates are arranged on the inner sides of the two half box bodies, the partition plates horizontally divide the inner sides of the half box bodies into a plurality of independent placing grooves, and the two independent placing grooves are connected with the handle and the connecting buckle. Limiting baffles are arranged at box openings of the two half box bodies and attached to the partition plates, and clamping assemblies are arranged between the limiting baffles and the half box bodies. Through the arrangement of the two half box bodies, the placing area of tools can be increased, more tools can be conveniently placed, through the matched arrangement of the limiting baffles and the clamping assemblies, the limiting baffles can be fixed to the box openings of the half box bodies through the clamping assemblies, and when the tool box is used, no matter whether one half box body is placed downwards or not, the tool box is convenient to use. And the situation that tools are scattered when the other upward half box body is opened can be avoided.

The application relates to the technical field of aero-engines and discloses a damping structure for an aero-engine, which comprises multiple pairs of lug ears on a rear mounting joint, multiple flanges of a hanger, and claw pins transversely inserted and connected with the corresponding lug ears and flanges, multiple counterbores are symmetrically arranged in two end faces of each lug ear, the damping structure further comprises a ball joint, an energy-absorbing ring and multiple vibration isolation flanges, a connecting hole for inserting and fixing the claw pin is arranged in the middle of the ball joint, the connecting hole is larger than the outer diameter of the claw pin, a fixing sleeve is arranged on the claw pin and tightly fixed with the inner wall of the ball joint through an outer arc surface, the fixing sleeve is used for absorbing vibration kinetic energy transmitted by the claw pin through deformation, the multiple vibration isolation flanges are connected with the two end faces of each lug ear one by one, the vibration isolation flange comprises a chuck used for fixing the claw pin, multiple force-bearing shafts welded and fixed on the same side end face of the chuck and multiple soft vibration isolation sleeves arranged on the force-bearing shafts, and each force-bearing shaft is arranged in a corresponding counterbore. The application can reduce the vibration force transmitted from the engine to the wing.

The utility model discloses a burr treatment device and lithium supplementing equipment. The burr treatment device comprises a covering assembly and a burr treatment assembly, wherein the covering assembly comprises a pressing roller, a first covering roller and a second covering roller; the first conveying assembly is used for conveying the lithium strip to the position between the pressing roller and the first covering roller and the position between the first covering roller and the second covering roller; the second conveying assembly is used for conveying the pole piece to the position between the first covering roller and the second covering roller so that the pole piece can be covered with the lithium strip; and the clearing assembly comprises a first scraper and a second scraper which are arranged on the upstream of the second covering roller, the first scraper is used for cutting off the broadening part of the lithium strip output between the pressing roller and the first covering roller, and the second scraper is used for scraping edge burrs of the lithium strip formed after cutting off of the first scraper. According to the burr treatment device, concave and convex points formed on the pole piece can be reduced to a certain extent, and the product yield can be improved.

The utility model belongs to metal processing technical field, specifically is a kind of metal processing work piece cleaning drying device, including cleaning machine, drying cabinet and support device, the surface of cleaning machine is fixedly connected with control box, drying cabinet is located at the side of cleaning machine;Support device is arranged on the surface of cleaning machine, and support device includes frame, frame is sleeved on the surface of cleaning machine, the surface of frame is rotatably connected with threaded rod, the surface of two threaded rods is screw-threaded with moving frame, and the inner surface of moving frame is inserted with placing plate, the position of the surface of frame close to motor is equipped with protection device, and protection device includes shroud, shroud is sleeved on the surface of frame and motor, and both sides of shroud are fixedly connected with two fixed blocks;By setting the whole device can support workpiece, also can conveniently move workpiece, reduce the problem that traditional support structure is relatively simple, and it is easy to continue to operate tedious waste time when cleaning and subsequent drying operation.

The utility model discloses a turnover safety maintenance platform for an electric power steel tube tower, which relates to the technical field of electric power steel tube towers and comprises a first semicircular seat, a second semicircular seat is abutted against one side of the first semicircular seat, and semicircular blocks are fixed at the top ends of the first semicircular seat and the second semicircular seat. The overhaul stand can rotate on the inner walls of the two sets of fixing bases through the annular round blocks by pulling the annular columns, then all-directional overhaul of the steel pipe tower can be achieved, the overhaul efficiency is improved, when a cross arm on the steel pipe tower needs to be maintained and replaced during overhaul, the space in the overhaul stand is enlarged by pushing the movable frame, and the overhaul stand is convenient to use. The probability of contact between maintainers and equipment and tools is effectively reduced, the risk of collision or mechanical damage caused by misoperation is reduced, safety is better improved, after maintenance is completed, only the first semicircular base and the second semicircular base need to be detached, and subsequent maintenance of the steel tube tower by workers is facilitated.

The utility model discloses an insect collecting tube, and relates to the technical field of entomology research experiment equipment, the insect collecting tube comprises a tube body, a tube cover, a male buckle assembly and a female buckle assembly, the tube body is used for accommodating insects, one end of the tube body is open, the other end of the tube body is closed, and the tube cover is used for closing the open end of the tube body; a ventilation part is further arranged on the pipe body, and the ventilation part is used for ventilation of air in the pipe body and external air; the male buckle assembly and the female buckle assembly are arranged on the two sides of the pipe bodies correspondingly so that the multiple pipe bodies can be detachably connected. The insect collecting device has good ventilation performance and is convenient to use when insects are narcotized by ethyl acetate, meanwhile, a plurality of insect collecting pipes can be connected in rows, the insect collecting device is convenient to carry during field operation, jolt is effectively reduced, and the collected insects are prevented from being damaged.

The utility model discloses an instrument panel for a box-type substation, which is characterized in that the instrument panel comprises a panel body and a plurality of instruments positioned on the panel body, and further comprises a plurality of supporting pieces used for supporting the instruments, the panel body is provided with insertion holes which are respectively positioned below the plurality of instruments and are used for the insertion of the supporting pieces, and the insertion holes are communicated with the panel body. The supporting piece is inserted into the plate body, so that the instrument is supported by the supporting piece during disassembly and assembly, and the problem that the instrument is prone to swinging in the disassembly and assembly process is solved.

This utility model provides a heat treatment post-heat treatment parts transfer cart, including: a movable part provided at the bottom of the cart frame; a U-shaped groove guide rail welded to the top left and right sides of the cart frame; a push handle connected to one side wall of the U-shaped groove guide rail; a discharge part one side is locked inside the U-shaped groove guide rail, and a discharge section is located at the bottom of the discharge part; a drive part is located at the top of the U-shaped groove guide rail, and the bottom of the drive part is connected to the discharge part. When the transfer cart receives material, the push handle is held to move the transfer cart to the side of the heat treatment furnace feed port. The stepper motor is controlled to rotate and move the discharge part upward along the U-shaped groove guide rail by winding a No. 2 metal rope to the heat treatment furnace feed port. The transfer process only requires pushing the transfer cart to the shot blasting machine, then controlling the stepper motor to move the discharge part upward to the feed port of the shot blasting machine, then breaking off the U-shaped block, holding the handle downward naturally, the discharge door tilts downward and swings to open the discharge frame, so that most of the material in the discharge frame is automatically poured into the feed port of the shot blasting machine.

This utility model relates to the field of conference table technology. It discloses a paperless conference table, comprising a table body, a tabletop on top of the table body, a through-hole for cable management below the tabletop, a hollow cavity below the tabletop, at least four through-holes in the tabletop, and at least four table legs below the table body; a secondary table, positioned above the table body, comprising a secondary tabletop and at least four lifting rods positioned below the secondary tabletop, the lifting rods extending through the through-holes into the cavity of the table body; and a drive assembly, comprising a drive component and drive rods, with an abutment plate at one end of each lifting rod connected to the at least four lifting rods. This utility model conference table offers multiple advantages: the secondary table achieves flexible height adjustment through the drive assembly and lifting rods, and after being embedded in the fixing groove, it forms a uniform plane with the main tabletop, balancing flexibility and stability; the secondary table features a sliding groove with detachable storage components, achieving concealed storage through T-slots, and integrating cables to keep the desktop tidy.