4885results about How to "Prevent sliding" patented technology

The invention belongs to the technical field of pipeline construction, and particularly relates to a pipeline lowering assembly line in a plain area and a construction method.The assembly line is arranged at the front end of the starting end of pipe ditch excavation, and the assembly line is sequentially connected with a pipeline frame, a welding platform, a flaw detection platform, a joint coating platform, a pipe ditch support and a tractor in series through a conveying device; a pipeline is stored through the pipeline rack and conveyed to the welding platform for welding connection, welding quality detection is carried out on the flaw detection platform, anti-corrosion treatment is carried out on the joint coating platform, finally, the pipeline enters a pipe ditch through the pipe ditch support and then is connected to the bottom of the excavator through the tractor, and the excavator drags and distributes the pipeline. The problems that the road width is too large and the construction period is too long in traditional pipeline lowering are solved, the construction site can be saved, the construction efficiency is improved, and the construction cost is reduced.

The utility model discloses a wafer rotary drying device. The wafer rotary drying device comprises a rotary platform; the multiple clamping jaws are distributed in the circumferential direction of the rotating platform at intervals. The clamping jaws are connected to the rotating platform through rotating shafts correspondingly. The side, facing the wafer, of the clamping jaw is provided with a horizontal placement face used for horizontally supporting the back face of the wafer. The climbing surface is arranged on the peripheral side of the horizontal placement surface; the clamping surface is arranged on the peripheral side of the climbing surface and can be matched with the climbing surface to clamp the edge of the wafer; when the rotating platform rotates, the upper portions of the clamping jaws rotate inwards and downwards, the clamping face and the climbing face of each clamping jaw are matched, and the multiple clamping jaws clamp the wafer together. The utility model also discloses a wafer rotary drying method. According to the utility model, the cleaning and drying effects of the back of the wafer are improved; the rotating platform does not participate in clamping of the wafer, so that the number of consumables is remarkably reduced; relative sliding of the wafer and the clamping jaw is effectively avoided, and rotation stability is improved.

The invention discloses a corrosion chambering device and method for etched foils, and relates to the technical field of etched foils, the corrosion chambering device comprises a working plate and further comprises a positioning device, a placing frame is fixedly mounted at the top of the working plate, a U-shaped plate is fixedly mounted on the front side of the placing frame, and traction equipment is fixedly mounted at the top of the working plate; a corrosion table is fixedly mounted at the top of the working plate, a corrosion frame is fixedly mounted at the top of the corrosion table, a placement groove is formed in the top of the corrosion frame, a placement rod is fixedly mounted in the placement groove, displacement equipment is slidably mounted on the circumferential surface of the placement rod, and a positioning block moves in the direction close to a foil to drive a positioning rod and a positioning frame to move; the positioning frame moves to be in contact with the foil to be corroded and performs positioning correction on the foil, and through pre-positioning correction, the actual position of the hole can be ensured to be consistent with the design requirement, and the hole position problem caused by position deviation is avoided.

The invention relates to the technical field of driving shaft machining, and discloses conveying equipment for heat treatment of an automobile driving shaft. The quenching device comprises a conveying mechanism used for conveying the driving shaft and a quenching mechanism used for heating and cooling the driving shaft, a plurality of limiting frames capable of moving in a telescopic mode are arranged on the conveying mechanism, and each limiting frame comprises a sliding strip and two shaft frames which are arranged on the sliding strip and used for containing and limiting the driving shaft. Therefore, the conveying mechanism can stably convey the driving shaft, and meanwhile quenching of the quenching mechanism on the driving shaft is not affected. The quenching mechanism comprises an induction heating coil which is arranged above the conveying mechanism and can move transversely and an ejector rod used for limiting axial movement of the driving shaft. The conveying mechanism is improved and combined with the quenching mechanism, so that the heat treatment process of the driving shaft can be automatic and streamlined, and the quenching efficiency of the driving shaft is improved while the quenching effect of the driving shaft is ensured.

The invention relates to the technical field of metal plate production and manufacturing, in particular to a metal plate head and tail cutting device and method. The cutting mechanism is arranged on the rack and comprises a cutter assembly which can slide relatively, and a blade is arranged on the cutter assembly; the pressing mechanism is arranged above the cutting mechanism and comprises a supporting plate and a pressing plate, a first open groove is formed in the supporting plate, and the blade can relatively move in the first open groove; the conveying mechanism is arranged on the two sides of the cutting mechanism and the pressing mechanism and comprises a roller shaft. The waste conveying mechanism is arranged below the conveying mechanism; the waste cutting mechanisms are arranged at outlets of the waste conveying mechanisms correspondingly and comprise cutters. An inclined plate is connected between the supporting plate and the waste conveying mechanism. The blade extends into the first open groove to cut redundant materials of the metal plate, the metal plate is fixed through movement of the supporting plate towards the pressing plate, fixed-length cutting is achieved through the waste conveying mechanism and the waste cutting mechanism, and the working efficiency of the whole production line is improved.

The invention discloses an anesthesia puncture outfit for a surgical patient, and relates to the technical field of anesthesia puncture outfit, the anesthesia puncture outfit comprises a puncture handpiece, the puncture handpiece is provided with a puncture needle sheath; an anesthesia administration part is mounted on the puncture handpiece; the anesthesia administration part is used for sliding on the puncture needle sheath piece; the puncture needle sheath piece is used for guiding the anesthesia administration part; a bubble removing guide piece is mounted on the puncture handpiece; the bubble removing guide piece is used for exhausting; a sampling sealing piece is mounted on the defoaming guide piece; the anesthesia administration part can be matched with a puncture needle sheath piece, a doctor can conveniently and rapidly conduct puncture anesthesia work, the structure is easy to operate, the doctor can more conveniently locate the arachnoid, the accuracy of medicine injection of the subarachnoid space is guaranteed, and the problems that an existing anesthesia puncture outfit for a surgical patient is inconvenient to prompt the doctor to penetrate through the subarachnoid space, and the working efficiency is high are solved. And excessive puncture is easily caused.

The invention discloses mined ore sample crushing equipment adaptive to prospecting engineering, relates to the technical field of prospecting engineering equipment, and provides a jaw crusher, a base is arranged at the upstream of the jaw crusher, and side frames are fixedly mounted on the surfaces of the two sides of the base. According to the mined ore sample crushing equipment adaptive to the prospecting engineering, the hopper is driven to ascend and descend through the lifting assembly, and the guide shaft rod is matched with the guide groove, so that the opening direction of the hopper can be flexibly converted in the ascending process, and when the opening of the hopper faces upwards, ore can be effectively prevented from falling in the ascending process; the safety risk possibly caused by ore falling is greatly reduced, the safety of operators and the surrounding environment is guaranteed, reliable safety guarantee is provided for the whole ore sample feeding operation, when the opening of the hopper faces the feeding port of the jaw crusher, the ore sample can smoothly roll into the feeding port, excessive manual intervention and adjustment are not needed, and the ore sample feeding efficiency is improved. And the working efficiency of an ore sample crushing link in prospecting engineering is effectively improved.

The invention discloses a production welding tool for stainless steel pipe fittings, and relates to the technical field of pipe fitting welding, and the production welding tool comprises a composite mechanism. According to the production welding tool for the stainless steel pipe fittings, through the design of a composite mechanism, the pipe fittings at one end are vertically placed on the top of the bearing mechanism, the effect of fixing the pipe fittings is achieved through the bearing mechanism, then the pipe fittings at the other end are vertically placed in the butt joint mechanism, and the effect of stabilizing components is achieved through the butt joint mechanism; the lifting butt-joint mechanism is in butt-joint fit with the bearing mechanism, so that the anti-deviation effect is achieved, manual calibration errors are avoided, the welding effect is prevented from being influenced, the operation efficiency is improved, the welding mechanism is attached to the joint of the two pipe fittings, the bearing mechanism is driven to rotate through a rotating block, the constant-speed welding effect is achieved, the welding quality is improved, and the size of a welding seam is reduced. And the welding precision is improved, chippings can occur in the welding process, the protection ring plays a role in shielding and wrapping, and chippings are prevented from splashing.

The invention relates to the technical field of pipeline connecting devices, and discloses a telescopic pipeline connector and an auxiliary mounting device thereof, and the telescopic pipeline connector comprises a telescopic structure, an anti-retreating locking structure and the auxiliary mounting device. The telescopic structure achieves adjustment of the pipeline length through a telescopic sleeve and a connecting pipe, and meanwhile the sealing performance and stability are guaranteed. The anti-retreating locking structure achieves tight locking and sealing of the pipeline and the telescopic structure through a conical sealing ring, a locking ring and a thorn claw, and the stability of the pipeline during thermal expansion and cold contraction is guaranteed. According to the auxiliary mounting device, the supporting seat and the clamping assembly are matched with the stepping motor and the two-way screw rod, so that the pipelines with different diameters are accurately adjusted and clamped, the mounting process is simplified, and the mounting efficiency and safety are improved.

The invention discloses a device for polishing weld grooves of aluminum pipelines and containers in a module, which is characterized in that a horizontal clamping station and a vertical clamping station are arranged on a clamping platform, a lower rotating roller group is rotatably mounted on the clamping platform on the horizontal clamping station, a horizontal clamping support frame is fixedly mounted on the clamping platform, and a lower rotating roller group is rotatably mounted on the clamping platform on the vertical clamping station; an upper rotating roller set is installed on the horizontal clamping supporting frame in a lifting mode, and a clamping chuck is rotationally installed on the portion, located on the vertical clamping station, of the clamping platform. A grinding frame is fixedly installed on the grinding platform, a transverse driving sliding seat is installed on the grinding frame, a lifting driving sliding seat is installed on the transverse driving sliding seat in a sliding mode, a longitudinal driving sliding seat is installed on the lifting driving sliding seat in a sliding mode, and a connecting grinding rod is fixedly installed on the longitudinal driving sliding seat. An angle grinder is mounted at the free end of the connecting grinding rod through a sleeving structure; according to the polishing device, the pipeline can be clamped in the horizontal state and the vertical state at the same time, different polishing states are facilitated, meanwhile, the polishing position is adjusted, manual participation is reduced, and safety is improved.

The utility model relates to the technical field of chicken bone scissors, and discloses a pair of chicken bone scissors, which comprises a right scissor handle and a left scissor handle, a dismounting locking plate is locked and fixed in an open slot on the right scissor handle through a dismounting locking plate nail, and a dismounting locking plate spring is connected between the dismounting locking plate and the open slot; when the right scissor handle and the left scissor handle are matched to be used as scissors, the left scissor handle is limited by disassembling and assembling the locking plate to prevent the left scissor handle from falling off from the right scissor handle; limiting on the left shear handle is relieved by pressing the dismounting locking plate, and the left shear handle is dismounted from the right shear handle to be used as a cutter. The left scissor handle can be firmly fixed on the right scissor handle through the disassembly and assembly locking plate to be used as the scissors, the design of the disassembly and assembly locking plate can ensure that the left scissor handle cannot fall off in the using process, safety is improved, a user can relieve limiting by shifting the disassembly and assembly locking plate, the left scissor handle is disassembled to be used as a cutter, and the safety is improved. And the use flexibility and efficiency are improved.

The utility model relates to the technical field of electrical equipment, and discloses an electrical equipment transportation device which comprises a transportation vehicle body, a bottom plate is fixedly installed at the bottom of the transportation vehicle body, a first sliding groove and a second sliding groove are formed in the top of the bottom plate, and the first sliding groove and the second sliding groove are formed in a penetrating mode; through the multiple dampers and the clamping plates, the clamping plates can fix the four sides of the electrical equipment at the same time, it is ensured that the equipment is more stable in the transportation process, shaking and displacement are reduced, damage to the equipment caused by collision or friction is avoided, the dampers can effectively absorb and disperse impact from the road surface, the vibration influence on the electrical equipment is reduced, and the service life of the electrical equipment is prolonged. The internal structure and electronic components of the electrical equipment are protected from being damaged, the rollers at the bottom can be driven to move up and down for lifting through the lifting plate and the rollers, and when the equipment needs to be positioned or fixed, the rollers can move upwards, so that the electrical equipment is stably placed on the ground or other planes, and the equipment is prevented from sliding or moving.

The utility model provides a tension adjusting device for a rope, which comprises a bottom plate, connecting holes are respectively arranged at four corners of the bottom plate, a tension mechanism is arranged in the middle of the top of the bottom plate, and the tension mechanism comprises a fixing block, a sliding groove, a sliding block, a threaded hole, a first U-shaped plate and a connecting rod which are arranged in the middle of the top of the bottom plate. A second U-shaped plate is jointly hinged to the tops of the two connecting rods, a two-way lead screw penetrating through the sliding block is arranged in the sliding groove, a self-locking mechanism is arranged at the left side end of the fixing block, and a connecting mechanism is arranged at the top of the second U-shaped plate. According to the tensioning adjusting device for the rope, the rope can be tensioned, the rope can be automatically tensioned, the self-locking mechanism is arranged, the situation that the rope slides after being tensioned is avoided, and therefore the overall using effect and the overall using efficiency of the device are improved.

The invention discloses an automatic transfer robot for warehouse logistics. The automatic transfer robot comprises a lift truck, a fixing mechanism and an extension mechanism, a carrying table is arranged at the upper end of a lifting platform of the lifting truck; the fixing mechanism comprises L-shaped vertical plates, sliding tables, overturning assemblies and rotating shafts, the sliding tables capable of moving in a front-back symmetry mode are arranged in the carrying table, the rotating shafts are rotationally connected to the upper ends of the sliding tables through rotating bases, the rotating shafts are fixedly sleeved with the evenly-distributed L-shaped vertical plates, and the overturning assemblies are arranged at the right ends of the sliding tables; the overturning assembly drives the rotating shaft to rotate; the extension mechanism comprises U-shaped plates and sliding rails, the sliding rails which are evenly distributed are fixedly connected to the top wall of the carrying table, and the U-shaped plates are slidably connected between the sliding rails on the left side and the right side. And goods can be transferred conveniently.

The invention relates to the technical field of hardware machining, in particular to a precise positioning jig for hardware machining, which comprises a machining table, a storage tray and an auxiliary control mechanism. The storage disc is rotationally arranged on the machining table, at least three guide rails are arranged on the storage disc, a mounting seat is slidably mounted on each guide rail, a first linear driver and a push rod are arranged on each mounting seat, and the first linear drivers are used for driving the push rods to stretch out and draw back; a clamp used for fixing a workpiece is arranged on the mounting base and comprises a main clamping block and an auxiliary clamping block, the auxiliary clamping block is hinged to the main clamping block, and a rubber layer is arranged on the side, away from the mounting base, of the auxiliary clamping block; and a linear driving assembly is arranged on the storage disc. The multiple sets of deformable clamps are attached to the surface of the workpiece, the position of the workpiece is stabilized in the machining process, the precise positioning function is achieved, and the problems that the workpiece deflects under the vibration effect in the machining process, and the machining precision of the workpiece is affected are solved.

The invention relates to the technical field of waste textile recycling, in particular to a rotary distributing device for waste textiles, which comprises a machine base, a case shell is fixedly mounted at the top of the machine base, a gear motor is arranged on the side surface of the case shell, a middle shaft rod is arranged in the case shell, and a roller part is fixedly mounted outside the middle shaft rod. According to the sorting machine component set, the gear motor drives the middle shaft rod, the roller piece and the hook piece to rotate, automatic hooking and material distribution from piles of waste clothes are achieved, the material distribution efficiency is greatly improved, the problem that clothes are overstocked due to the fact that manual material distribution is low in speed and low in efficiency is solved, and the waste cloth recycling efficiency is improved.

The invention belongs to the technical field of power connectors, and discloses a combined power connector which comprises a plug shell and a socket board, a socket connector is fixedly connected to the middle of the socket board, and a conductive assembly used for being communicated with the socket connector is installed in the plug shell. The two swing rods swing rightwards through the grip, so that the openings of the locking rods and the swing rods are aligned with the first L-shaped rods, then the plug connector is inserted into the socket connector, and the grip is swung leftwards, so that the contact sliding of the two locking rods and the two first L-shaped rods automatically drives the plug shell to move leftwards; the plug connector and the socket connector are connected more easily, after the two swing rods are perpendicular, the connection stability of the plug connector and the socket connector is guaranteed, meanwhile, a second T-shaped rod automatically moves downwards through the elastic tension of a tension spring and is inserted into a limiting groove, the two swing rods cannot continue to swing, and therefore the plug connector and the socket connector can be connected more easily. Therefore, the socket connector and the plug connector are locked.

A single-helicoid planetary roller spiral jacking device comprises a first rotating disc 10 and a second rotating disc 20, the first rotating disc is provided with first conical surface spiral teeth 11, the second rotating disc is provided with a second conical surface 21, a conical roller 30 is arranged between the first rotating disc 10 and the second rotating disc 20, the conical roller is provided with roller ring teeth 31 meshed with the first conical surface spiral teeth 11, and the roller ring teeth 31 are meshed with the first conical surface spiral teeth 11. The first rotating disc 10 and the second rotating disc 20 coaxially and relatively rotate, and the conical roller 30 rolls on the first conical surface spiral teeth 11 and the second conical surface 21. The first rotating disc provided with the first conical surface spiral teeth is adopted, the conical rollers are provided with the annular teeth meshed with the first conical surface spiral teeth, radial asynchronous movement of the multiple conical rollers can be avoided, the conical rollers are accurately kept in the radial position, and jacking loads can be evenly borne; in addition, sliding between the conical pin roller and the first rotating disc can be avoided, the operation effect is improved, the pin roller retainer structure provided with the pin roller sliding frame is adopted, the diameter of the conical pin roller is not limited by the retainer mechanism, and the structural design of the conical pin roller can be optimized.

The utility model relates to the technical field of electromechanical equipment, in particular to an electromechanical equipment installation adjusting device. The technical problems that existing electromechanical equipment usually needs a positioning structure to be installed, the height adjusting range of the equipment is limited by the positioning structure due to the fact that different electromechanical equipment needs different working heights, the positioning structure needs to be frequently replaced to adapt to the installation height of the equipment during adjustment, the cost and complexity are increased, and the equipment is difficult to adjust are solved. And the performance and the installation efficiency of the equipment are influenced. According to the technical scheme, the electromechanical equipment installation adjusting device comprises a fixing frame, an adjusting assembly and a fixing assembly; the overall height of the device is adjusted along the interior of the limiting sleeve plate by adopting the movable plate to drive the screw rod, different installation requirements and environmental conditions are met, it is ensured that the movable plate can accurately stop at the needed position after adjustment, and accurate control over the height of the electromechanical equipment is achieved.

The utility model relates to the technical field of chemical production, in particular to a crystallization and suction filtration integrated device for preparing dye intermediates, which comprises a treatment box, a crystallization barrel is arranged on the treatment box, a filter barrel communicated with the bottom end of the crystallization barrel is arranged in the treatment box, and an electromagnetic valve is arranged at the communication position of the filter barrel and the crystallization barrel. And a driving assembly is further arranged on the treatment box. According to the utility model, the mixing efficiency of a reaction solution in the crystallization barrel and condensed water in the jacket can be improved, the crystallization efficiency can be improved, the crystallization efficiency of crystals can be improved through the first motor, meanwhile, the filtered crystals are conveyed, and compared with step-by-step treatment, the scheme can simplify the operation process and reduce the production cost. According to the crystal treatment device, the continuity of crystal treatment can be guaranteed, the treatment efficiency can be improved, meanwhile, the number of used driving sources can be reduced, energy can be saved, meanwhile, crystals can be cleaned, mother liquor and impurities remaining on the crystals can be removed, and the quality of the crystals can be improved.

The utility model discloses a thickened anti-skid elastic mat and belongs to the technical field of floor mat articles. Comprising an upper surface layer and a lower surface layer, the TPE anti-slip layer is compounded at the bottom of the upper surface layer through a film spraying process, TPE anti-slip layer anti-slip lines are further formed on the surface of the downward side of the TPE anti-slip layer in a pressing mode when the TPE anti-slip layer is used, and the TPE anti-slip layer anti-slip lines are used for enhancing the friction force generated when the TPE anti-slip layer makes contact with the horizontal surface. The anti-skid floor has the advantages that the anti-skid floor is suitable for indoor ground paving, by arranging the TPE anti-skid layer attached to the horizontal plane, the anti-skid floor can be well attached to the plane, the anti-skid floor has excellent wear resistance, skid resistance, flexibility and buffering and damping performance, the anti-skid effect is good, the use safety is guaranteed, the overall elasticity is good, the resilience capacity is high, human body fatigue can be relieved, and the use comfort level is good.

The invention discloses a continuous conveying device for heavy oil cleaning agent production, and relates to the technical field of heavy oil cleaning agent production, in particular to a continuous conveying device for heavy oil cleaning agent production, which comprises a first conveyor and a second conveyor, one end of the first conveyor is connected with a feeding machine in an attached mode. According to the continuous conveying device, the roller structures are arranged on the surfaces of the guide plate and the limiting side plate, when the braking plate enables containers in a machining area to be kept relatively stable, the conveying belt can conduct continuous transmission, workpieces at the front end can continue to be conveyed forwards in order by means of the transmission conveying belt and the roller structures on the two sides of the limiting side plate, stagnation of the containers at the front end is avoided, and the machining efficiency is improved. According to the packing machine, the number of starting and stopping times of the whole conveying equipment is reduced, due to intermittent rotation of the push disc, the containers which are originally tightly arranged are rearranged, an interval which is more convenient to grab is formed between the containers, the grabbing time is shortened, and the packing efficiency is improved.

The invention provides a manipulator, a mechanical arm and cleaning equipment, and relates to the technical field of cleaning. The manipulator comprises a connecting part, a first flange and a plurality of clamping arms. The connecting part can comprise a shell and a driving device arranged in the shell. The first flange is rotationally connected with the connecting part, and the driving device is in transmission connection with the first flange and used for driving the first flange to rotate. The multiple clamping arms are arranged on the outer side of the first flange at intervals, one end of each clamping arm is rotationally connected with the first flange, an opening is formed in the end, away from the first flange, of each clamping arm, the driving device is in transmission connection with each clamping arm, and the driving device is used for driving the multiple clamping arms to be close to or away from each other so that the opening can be opened or closed. The rotation axis of the first flange is perpendicular to the plane where the opening is located. According to the mechanical arm, clamping and rotating actions can be achieved, the mechanical arm can enter some narrow spaces, the application scene is wide, and the problem that in the related technology, the application scene of a mechanical arm is limited can be solved.

The invention relates to the technical field of crane equipment, and provides a movable portal crane which comprises a portal support frame and a track, rails are laid and installed on the two sides of the bottom end of the gate-type supporting frame, braking mechanisms are arranged at the two ends of the bottom of the gate-type supporting frame, rolling wheels are movably installed at the bottom end of the gate-type supporting frame, and an electric hoist is movably installed at the top of the gate-type supporting frame. By arranging the lubricating mechanism, when a steel wire rope lifts a heavy object, through cooperation between a second gear and a forward and reverse rack, a fourth gear rotates forwards, the second rack is driven to move towards the middle at the same time, extrusion plates are made to get close, a piston is pushed to move towards one side through extrusion of a connecting rod, and lubricating oil is sprayed out from an oil outlet; when the steel wire rope moves upwards, the steel wire rope is fully contacted with the surface of the steel wire rope, so that lubrication is uniform, friction between the steel wire rope of the portal crane and parts such as a pulley and a winding drum is reduced, and the service life of the steel wire rope is prolonged.

The invention relates to the technical field of shield tunneling machine disassembly, and particularly discloses a modular disassembly, disassembly tool and method for a shield tunneling machine in a tunnel. The tool comprises a tool body, the tool body comprises an upper mounting frame and a lower mounting frame, and a support is arranged between the upper mounting frame and the lower mounting frame; two lifting plates are arranged on the upper mounting frame, and through holes are formed in the lifting plates; rollers are arranged at one end of the lower mounting rack away from the hoisting section; the tool can improve the dismounting efficiency; the method comprises the steps that S1, the water stop hoop is poured; s2, dismounting the cutter head; s3, propelling, and dismounting a hinged oil cylinder; s4, the duct piece trolley is disassembled; s5, the shield tunneling machine is electrically disassembled; s6, disassembling a hydraulic fluid pipeline; s7, the spiral conveyor is dismantled; s8, the segment erector is disassembled and transported; s9, dismounting and transporting the *-shaped beam; s10, dismounting and transporting a main driving speed reducer and a motor; s11, the man bin is dismantled; s12, disassembling the main drive; the construction method can help to ensure the smooth implementation of the dismounting process and improve the construction efficiency.

The bending machine for the angle steel is applied to the field of angle steel bending and comprises a bottom plate, the top of the bottom plate is in bolting connection with a box body, the interior of the box body is in bolting connection with a first fixing frame, the interior of the first fixing frame is rotationally connected with a threaded rod through a bearing, and one end of the threaded rod is fixedly sleeved with a first motor; and the surface of the threaded rod is in threaded connection with a first threaded plate. According to the angle steel bending device, the multi-angle bending function can be achieved, the position of a bending piece is adjusted front and back through a lower stroke assembly, the bending angle of angle steel is changed after the bending pieces at different positions are pushed out, the application range and flexibility of the device are improved, meanwhile, the angle steel can be accurately placed and limited, and the bending efficiency is improved. The precision of the angle steel bending point and the bending piece is improved, the angle steel can be prevented from sliding and shifting in the bending process, the machining quality of the angle steel is guaranteed, and practicability is high.

The invention discloses automatic perfusion culture equipment for NK (Natural Killer) cell culture, which belongs to the technical field of cell culture equipment and comprises a liquid storage cylinder, a waste liquid cylinder, a mounting rack, a culture box, a first conveying mechanism, a second conveying mechanism, a driving mechanism and an anti-skid fixing mechanism. According to the automatic perfusion culture equipment for NK cell culture, through the arrangement of the first conveying mechanism, the second conveying mechanism and the driving mechanism, a nutrient solution in the liquid storage cylinder can be automatically conveyed into the culture box, a waste nutrient solution in the culture box can be automatically conveyed into the waste liquid cylinder, automatic perfusion culture of NK cells is achieved, and through flowing of the nutrient solution, the culture efficiency is improved. The mass transfer between nutrient substances and metabolic waste products and cells can be realized, so that the concentration accumulation of harmful metabolic waste is reduced, and the culture of NK cells is facilitated.

The invention relates to the technical field of garment fabric detection, and provides exercise and training garment wear resistance and wrinkle resistance detection equipment, the exercise and training garment wear resistance and wrinkle resistance detection equipment comprises a bottom plate, a top plate and a detection part arranged on the bottom plate, the detection part comprises a supporting assembly and a clamping assembly, the supporting assembly comprises a shaft rod fixedly arranged on the bottom plate and a bearing plate fixedly arranged at the top end of the shaft rod, and the outer side of the bearing plate is sleeved with the clamping assembly; the jacking assembly comprises a sleeve slidably arranged on the outer side of the shaft rod in a sleeving mode and a pressing plate rotationally arranged at the top end of the sleeve, the peripheral surface of the pressing plate is sleeved with a hoop, and a lifting assembly is arranged on one side of the sleeve; the friction assembly comprises a friction plate, friction cloth fixedly arranged on the bottom face of the friction plate and a power part arranged on the top plate. By arranging the supporting assembly, the jacking assembly, the friction assembly, the lifting assembly and the power part, the wear resistance and wrinkle resistance of the fabric can be tested at the same time, the testing time is saved, the fabric is conveniently fixed through the clamping assembly and the hoop, and meanwhile the fabric is fixed through the clamping assembly, so that the fabric is prevented from sliding on the bearing plate.

The invention discloses an embedded electric energy metering box, and relates to the technical field of electric energy metering boxes. The invention provides an embedded electric energy metering box which comprises a rack and the like, the rack is fixedly connected with paired electric energy meters, the rack is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating block, the rack is fixedly connected with paired limiting columns which are circumferentially distributed at equal intervals, a top block is slidably connected between the paired limiting columns, and the top block is fixedly connected with an abutting block. The abutting block is fixedly connected with paired connecting blocks, the connecting blocks are slidably connected with telescopic blocks, the telescopic ends of the telescopic blocks are fixedly connected with limiting blocks, and the rotating block is rotationally connected with first swing rods which are circumferentially distributed at equal intervals. According to the electric energy metering box, a worker only needs to rotate the rotating shaft to enable the abutting block to abut against the wall body from the periphery and support and fix the rack through the rotating block, the rack and the electric energy metering device can be rapidly installed, the rack can be prevented from shifting and sliding in the wall body, and the installation convenience and stability of the electric energy metering box are improved.

The invention discloses a medicine applying device for the dermatological department. The medicine applying device comprises a rectangular connecting block; the number of the mounting cylinders is two, and the two mounting cylinders are symmetrically and fixedly connected to the two sides of the rectangular connecting block; the classified medicine feeding structure is divided into two parts, and the two parts are mounted in the two mounting cylinders correspondingly; the medicine applying auxiliary structures are installed on the two sides and the bottom of the outer surface of the rectangular connecting block, under the action of the classified medicine applying structures, pasty medicine and liquid medicine can be loaded and discharged in a matched mode, so that the pasty medicine and the liquid medicine can be smeared on the skin, and the effect of applying the medicine to the skin is achieved. The medicine applying device is simple in structure and convenient to use, mixing is not needed, mutual influence between pasty medicine and liquid medicine is avoided, then the classified applying effect is achieved, meanwhile, under the effect of the medicine applying auxiliary structure, the medicine can be evenly applied to the outer surface of the skin, and then the medicine can effectively play a role in the affected part.