53results about How to "Play a limit function" patented technology

The invention discloses a delivery device and system for interventional devices. The device comprises a delivery rod, one end of the delivery rod is sleeved with a near-end sleeve, and the other end of the delivery rod is sleeved with a far-end sleeve; a connecting piece is arranged at one end of the near-end sleeve and comprises an extending part hinged to the near-end sleeve and a clamping partcapable of being clamped with a limiting hole; in an initial state, the delivery rod and the connecting piece extend into the far-end sleeve, the extending part is located between the outer surface ofthe delivery rod and the inner surface of the far-end sleeve, and the clamping part and the limiting hole are clamped and fixed; and in a using state, the delivery rod is separated from the far-end sleeve, and the connecting piece can rotate towards the interior of the far-end sleeve to enable the clamping part to be separated from the limiting hole. In the patent, the near-end sleeve is fixed onthe far-end sleeve through the connecting piece, the delivery rod matched with the device is arranged, and the near-end sleeve and the far-end sleeve can be separated by pulling out the delivery rodand the near-end sleeve from the near end in sequence, and the device is simple in structure, convenient to operate and high in reliability.

The invention relates to the technical field of air conditioner compressor air inlet pipe machining, in particular to intelligent welding equipment for air conditioner compressor air suction pipe production. An air conditioner compressor air suction pipe comprises a U-shaped pipe, a first connecting pipe and a second connecting pipe, the straight pipe section of the first connecting pipe and the straight pipe section of the second connecting pipe are welded to the two ends of the U-shaped pipe respectively, and the intelligent welding equipment further comprises a rack, a pushing mechanism, a first clamping mechanism arranged at the output end of the pushing mechanism, a second clamping mechanism, an adjusting gripper jaw, and a multi-angle welding robot. The first clamping mechanism comprises a height adjusting assembly installed at the output end of the pushing mechanism, and a horizontal displacement adjusting assembly installed at the output end of the height adjusting assembly. The adjusting gripper jaw is installed at the output end of the horizontal adjusting assembly. The equipment can adapt to welding clamping operation of air conditioner compressor air suction pipes of different models and different pipe diameters, the air suction pipes can be kept stable in the welding process, the welding efficiency is improved, and the application range of the equipment is widened.

The invention discloses a novel fixed-scale cutting device for PVC plastic floors. The novel fixed-scale cutting device for PVC plastic floors comprises a base, a PLC, a switch, supporting rods, a roof rack, a conveying motor, a substrate, a ball lead screw pair, a penetration hole, a descending air cylinder, a cutting motor, a cutting blade, a penetration rod, a clamping spring, a sleeve, a lowerpressure plate, an auxiliary limiting adjusting rack structure, an auxiliary material sucking flat rack, a conveying mechanism and a cleaning plate rack structure. The PLC is mounted on the upper part of the left surface of the base through bolts; the switch is embedded onto the left surface of the PLC; the supporting rods are welded to the four corners of the upper surface of the base; the roofrack is welded to the upper ends of the supporting rods; and the conveying motor is mounted at the back end of the substrate through bolts. The novel fixed-scale cutting device for PVC plastic floorshas the beneficial effects that the novel fixed-scale cutting device for PVC plastic floors can be adjusted to different lengths by arranging the auxiliary limiting adjusting rack structure, so that the moving position of a material can be limited during use, and the novel fixed-scale cutting device can cut a lot of panels of appointed lengths conveniently.

The invention provides a multifunctional information management teaching device, which comprises a bottom plate, moving wheels, telescopic pipes, a telescopic rod, a U-shaped frame, a connecting rod,a protection plate, a placement plate, a rotatable fixing seat structure, a projection writing board structure, an auxiliary supporting frame structure, a movable cleaning frame structure, a shell, astorage battery and a driving switch. The moving wheels are installed on the periphery of the lower surface of the bottom plate through bolts. The telescopic pipes are welded to the left side and theright side of the upper surface of the bottom plate correspondingly. The telescopic rods are welded to the left side and the right side of the lower end of a U-shaped frame correspondingly, the telescopic rods are inserted into the telescopic pipes, and meanwhile the connecting positions of the telescopic rods and the telescopic pipes are fixed through bolts. The device has the beneficial effectsthat through the arrangement of a rotatable fixing seat structure, a clamping plate is contracted under the action of external force during rotation, so that the clamping plate can be clamped throughthe clamping teeth for fixed use when the clamping teeth rotate or do not rotate, and then the clamping plate can be conveniently rotated and fixed at a specified angle for use.

The invention discloses an intelligent thermoplastic forming mechanism. The intelligent thermoplastic forming mechanism comprises a thermoplastic rack upper plate, a clamping mechanism, a conveying mechanism, a mold supporting plate, a thermoplastic rack lower plate and a lifting mechanism, a feeding opening is formed in the center of the thermoplastic rack upper plate, the clamping mechanism is arranged around the feeding opening, the clamping mechanism is fixed to the top of the thermoplastic rack upper plate, three sets of supporting plates are fixedly arranged to one side of the bottom ofthe thermoplastic rack upper plate, the supporting plates are symmetrically distributed on one side of the bottom of the thermoplastic rack upper plate, the conveying mechanism is arranged below the thermoplastic rack upper plate, the conveying mechanism comprises mold supporting mechanisms, a sliding guide rail, a first motor, a movable lead screw, a sliding rod, a first supporting block, a second supporting block and a third supporting block, and the two sets of mold supporting mechanisms are arranged. According to the intelligent thermoplastic forming mechanism, thermoplastic forming treatment on different molds can be carried out, automation is mostly achieved, manual operation is reduced, and the yield of thermoplastic forming is improved.

The invention provides a multifunctional accounting document gluing machine. The machine comprises a supporting plate, sleeving pipes, telescopic rods, clamping rings, first compression springs, a connecting plate, sliding rails, limiting plates, a sliding seat, a storage barrel, a movable glue outlet head structure, an adjustable limiting plate frame structure, an adjustable arranging box structure and a movable handle; the sleeving pipes are welded to the left side and the right side of the upper end of the supporting plate correspondingly; the telescopic rods are inserted into the upper ends of the sleeving pipes; the clamping rings are welded on the outer walls of the sleeving pipes and the telescopic rods; the first compression springs are arranged between the clamping rings through bolts; the connecting plate is arranged at the upper ends of the telescopic rods through bolts; and the sliding rails are arranged on the front portion of the connecting plate through bolts. The machine has the beneficial effects that through the arrangement of the movable glue outlet head structure, in use, glue can conveniently flow out and be smeared on accounting documents.

The invention discloses a self-resetting assembled pier column system with seismic mitigation and isolation functions. The self-resetting assembled pier column system comprises a prefabricated reinforced concrete pier column section, a seismic mitigation and isolation rubber support, epoxy resin glue, a shape memory alloy bar, a grouting sleeve, a bearing platform, a reserved notch, a water stop tape, a drainage groove and a high-strength bolt. A circle of shape memory alloy bars are added into a reinforcement cage when the prefabricated reinforced concrete pier column section 1 is prefabricated; the reserved notch is formed in the connecting position of the prefabricated reinforced concrete pier column section and the bearing platform, the seismic mitigation and isolation rubber support is arranged in the center of the reserved notch, and the seismic mitigation and isolation rubber support and a padstone reserved on the bearing platform are connected together in the modes of welding, bolting, cementing and the like. During assembly, an SMA bar is inserted into the grouting sleeve pre-embedded in a bearing platform, and the seismic reduction and isolation rubber support and the prefabricated reinforced concrete pier column section 1 are connected together through the epoxy glue, the high-strength bolt and the like. The system has the characteristic of integrating the functions of shock absorption, shock isolation, self-resetting and the like.

The invention discloses a mechanical fixed connecting block, which is characterized by comprising a fixing block and a connecting plate connected with the fixing block, wherein a round through hole is formed in the fixing block; the connecting plate comprises a first lateral surface and a second lateral surface; a first groove and a second groove are formed in the first lateral surface; a plurality of threaded holes are formed in the second lateral surface; a lug boss is arranged on the second lateral surface. According to the mechanical fixed connecting block, a shaft-shaped part can be connected with other parts, a matching space can be provided for other mechanical parts, and a limiting function can be realized.

The invention provides a detachable environment-friendly equipment pipeline heating device. The device comprises a main body frame, a lifting structure, a butt joint structure, a UPS, a heating frame structure and a water liquid circulating supply frame structure, wherein the heating frame structure comprises two arc-shaped heating plates, a plurality of heat conduction pipes, heat conduction sheets and an environment-friendly equipment pipeline, the butt joint structure comprises two butt joint air cylinders oppositely arranged on the left side and the right side of the main body frame, the driving ends of the butt joint air cylinders are connected with arc-shaped heating plates, the lifting structure is arranged on the main body frame, located below the heating frame structure and used for driving the environment-friendly equipment pipeline to be inserted into the inner side of the heat conduction sheets, the water liquid circulating supply frame structure comprises a water storage tank, a water supply pump, a water supply pipe and a water return pipe, and the UPS is arranged on the main body frame, and the UPS is electrically connected with the heat conduction sheets.

The invention provides an adjustable head skin medicine applicator for dermatology department. The adjustable head skin medicine applicator for dermatology department comprises a storage outer frame,a positioning pipe, a guide cover, a rubber delivery pipe, a medicine heating frame structure, a storage pipe, a connecting insertion pipe, a piston, an outer threaded pipe, a convenient-to-disassemble protective frame structure, an adjustable jacking frame structure, an adjustable limiting frame structure, a storage frame, a storage battery and a power switch, the positioning pipe is glued to a middle lower part of the storage outer frame; the guide cover is glued to a lower part of the positioning pipe; the rubber delivery pipe is glued to a lower part of the guide cover; the medicine heating frame structure is arranged at a lower part of an inner side of the storage outer frame; and the storage pipe is arranged on an inner side of the storage outer frame. A reset tension spring sleevesan outer side of a longitudinal movable rod, a downward tensioning function on a rectangular ring is conveniently achieved in a using process, and a downward jacking function on the piston is conveniently achieved; and a limiting tooth screw is arranged at a left end of a T-shaped rod, so that the fixed longitudinal movable rod can be prevented from moving up and down.

The invention discloses an integrated electromagnetic head structure, relates to the field of automobile variable-speed hydraulic electromagnetic valves, and aims to solve the problems that a traditional electromagnetic head structure has a large number of parts and high assembly requirements, and complex part shapes are needed to maintain an inverted magnetic path. According to the technical scheme, the integrated electromagnetic head structure is characterized by comprising a shell, a blocking iron is arranged in the shell, a sliding hole is formed in the middle of the blocking iron, an armature push rod is arranged in the sliding hole, and the side wall of the armature push rod is provided with a cascade ring groove which makes the armature push rod be dumbbell-shaped. According to theintegrated electromagnetic head structure, the structure of the electromagnetic head is simplified, a traditional armature, a valve core push rod and a pole shoe are integrated into a stepped core part, namely the armature push rod, so that the number of parts can be reduced. The armature push rod is made of the same material as an armature and plays the role of the armature, the structure can bemoved directly, complicated reverse magnetic paths are not needed, and assembly requirements are greatly reduced.

The invention relates to the technical field of medical equipment, in particular to a fixator for hand fracture in the general surgery department. The fixator comprises an elbow fixing support shell, an arm fixing support shell, an angle adjusting part, a first tightening belt, a second tightening belt, a buffer part, a gauze fixing part, a limiting part and a wrist protecting part, a connecting clamping block, a second connecting spring, a [-shaped connecting plate, a connecting vertical rod, a connecting transverse rod and a pull rod. According to the invention, when a patient needs to apply plaster, gauze can be fixed, the problem that in the normal moving process of the patient, the gauze is loosened, and the plaster falls off is solved, compared with a traditional plaster fixing mode, the fixator has the advantages that a certain moving space is provided for the injured hand of a patient, meanwhile, the injured hand of the patient can be protected, the elbow of the patient can be buffered and limited, secondary injury to the patient is avoided, and the usability of the fixator is improved.

The invention discloses raw material ball milling equipment for lithium battery production. The raw material ball milling equipment for the lithium battery production comprises a rack, a barrel, a reinforcing plate, a first bearing, a first stand column, a material conveying pipe, a second bearing and a second stand column, wherein the barrel is arranged on one side of the top of the rack, the reinforcing plate is welded to the surface of the right side wall of the barrel, the left side wall of the barrel is rotationally connected with the first bearing through a rotating shaft, the bottom ofthe first bearing is connected through the first stand column, the surface of the right side wall of the barrel is connected with the material conveying pipe in a communicating mode, the second bearing is installed on the surface of the material conveying pipe, and the bottom of the second bearing is connected with the surface of the top of the rack through the second stand column. According to the raw material ball milling equipment, by a motor, the barrel can be driven to rotate through a driving gear and a large gear ring, then a raw material can be subjected to ball milling, the other endof a tension spring is taken down from a hanging buckle, then a lock catch is rotated, a material taking door can be opened to take out the raw material of the barrel, and meanwhile the noise pollution of a working environment can be reduced through a noise reducing mechanism.