18results about How to "Avoid positioning" patented technology

The utility model discloses a convenient-to-adjust rolling machine for insulating cardboard processing, which comprises a base, and two support rollers and a press roller which are connected in the base, the press roller is positioned above the middle of the two support rollers, and the press roller is connected with a driving mechanism for driving the press roller to lift. The driving mechanism comprises two lifting blocks, two studs, two driven wheels, a driving wheel and a second motor, the second motor is used for driving the driving wheel to rotate, the driving wheel is used for driving the two driven wheels to synchronously rotate, and a positioning mechanism used for synchronously positioning the two driven wheels is connected into the top frame. The positioning mechanism comprises two toothed plates, two moving blocks, two springs, two guide seats and two guide columns, and the toothed plates are connected with a pushing mechanism used for driving the two toothed plates to be close to each other or away from each other. According to the utility model, the position of the compression roller can be conveniently adjusted, the device can be suitable for processing insulating paperboards with different thicknesses, the applicability is strong, and the compression roller can be well limited at the same time.

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.

The utility model relates to the technical field of carpet cutting, in particular to automatic carpet edge cutting equipment which comprises a workbench, connecting plates are connected to the two sides of the bottom end of the workbench, a rotating handle side plate is rotationally arranged on one side of each connecting plate, and one end of each rotating handle side plate penetrates through the corresponding connecting plate; the two-way threaded rod is driven to rotate by rotating the handle side plate, so that the two moving blocks drive the side edge cutting blades to move relatively, the two sides of a carpet can be cut, the side edge cutting requirements of carpets with different widths are met, the cutting knife rest is pushed by the electric push rod to slide in the second guide groove, the vertical threaded rod is driven to rotate by the rotating air cylinder, and the cutting effect is good. The bearing block drives the main cutting blade to move up and down, the middle of a plate can be cut, a buffer spring in the positioning mechanism is driven to push a sliding block while the cutting tool rest is pushed downwards through an electric push rod, the plate is pressed by a pressing plate, the plate is positioned in the cutting process, the plate is prevented from moving, and the cutting precision is guaranteed.

The invention relates to the technical field of injection molds, and discloses an anti-dislocation locking mechanism for double guide rings of an injection mold, the anti-dislocation locking mechanism comprises an injection fixing mechanism and an injection driving mechanism, the injection fixing mechanism and the injection driving mechanism are respectively mounted at the driving end of an injection device, and the inner wall of the injection fixing mechanism is connected with the anti-dislocation locking mechanism. According to the invention, through the anti-dislocation locking mechanism and the precise matching of a guide sleeve, a positioning gear ring, a positioning gear and a linkage mechanism, the precise and rapid positioning of a guide column in a guide hole is realized, and the dislocation of the mold caused by vibration or external force in the injection molding process is effectively prevented; the injection molding precision and stability are obviously improved; the generation of defects such as burrs is reduced, so that the defective rate is reduced, and the overall competitive product rate of products is improved; and due to stable locking, unnecessary abrasion of the mold in the injection molding process is reduced, the service life of the mold is prolonged, and the frequency and cost for replacing the mold are reduced.

The application provides a battery pack conveying line, which comprises a lifting walking device and a battery pack grabbing device, and the output end of the lifting walking device is connected to the battery pack grabbing device. The battery pack grabbing device comprises a gripper bracket, a first mechanical hand, a second mechanical hand and an opening and closing driving mechanism. The gripper bracket is composed of a bracket body, a first sliding rail, a second sliding rail and a tray. The first sliding rail is arranged on the bracket body in the X direction, and the second sliding rail is arranged in the Z direction and guides the sliding of the tray. The tray is installed on a suspension device in the external environment, and the first sliding rail guides the movement of the first mechanical hand and the second mechanical hand. The gripper bracket is also provided with the opening and closing driving mechanism, which is used for driving the first mechanical hand and the second mechanical hand to be folded or separated from each other. The moving bracket is also provided with a support foot driving mechanism, and the output end of the support foot driving mechanism is connected to a movable support foot to support the battery pack.

This invention relates to the field of automotive parts technology, and discloses a braking system and control method for an unmanned vehicle, including an adjustable slide rail, and further including: an adjusting block, slidably mounted on one end of the adjustable slide rail, the adjusting block being used for sliding adjustment of vehicle braking system components; and a base assembly, installed in the inner wall of the adjusting block, the base assembly being used for loading vehicle braking system components; in this invention, when it is necessary to adjust the distance between the foot pedal position and the footrest appropriately, the driver places his foot on the concave block, the concave block drives the slide rod and the second wedge to move along the inner wall of the slide groove, the inclined surface of the second wedge presses against the inclined surface of the first wedge, pushing the first wedge to move inward into the end block, at this time the first positioning pin moves to the fulcrum at the other end of the inclined first positioning groove, generating a wedge force on the two sets of positioning blocks, the positioning spring is compressed, the insert rod and the key block move out of the positioning rack teeth, releasing the position lock of the entire adjusting block.

The invention discloses a positioning method of a swimming pool cleaning robot and the swimming pool cleaning robot, the robot is controlled to enter a mapping mode, and in the mapping mode, the robot obtains at least one piece of image information of the edge of a swimming pool and position information corresponding to the image information; the robot is controlled to enter an operation mode, and in the operation mode, the robot obtains current image information; and matching the current image information with the at least one piece of image information, and if the matching succeeds, acquiring the current position information based on the position information corresponding to the image information in the at least one piece of image information matched with the current image information. According to the invention, the current image information obtained in the operation mode is matched with the image information retained in the mapping mode in a sliding manner, so that positioning by using a single feature is avoided, and the positioning precision is improved.

An apparatus including one or more sensor units. Each of the sensor units includes an inner shell, an outer shell, and a magnetic sensor array. The magnetic sensor array is disposed between the inner shell and the outer shell. The inner shell, the outer shell, and the magnetic sensor array have curved shapes that complements an outer surface of a pipe. The magnetic sensor array may comprise a plurality of printed circuit board strips. Each of the plurality of printed circuit board strips comprise a plurality of magnetic sensors distributed along each of the plurality of the printed circuit board strips.

The utility model discloses a riveting device and riveting equipment for a metal piece. The riveting device is used for riveting a nut to a riveting through hole of the metal piece. The riveting device comprises a base, a nut positioning assembly and a riveting punch, and the base is provided with a groove corresponding to the metal piece in shape and used for containing the metal piece; at least part of the nut positioning assembly is arranged in the groove, and the nut positioning assembly corresponds to the riveting through hole in the metal piece and is used for positioning the nut; and the riveting punch is used for riveting a nut into the riveting through hole of the metal piece. The nut is positioned through the nut positioning assembly, the situation that in the process that the nut is riveted through the riveting punch, the riveting efficiency is low due to the fact that the nut shifts is avoided, the metal piece is contained in the base, the metal piece is positioned through the groove in the base, shifting of the metal piece in the riveting process can be avoided, and the riveting efficiency is improved. By positioning the metal piece and the nut, the working efficiency of riveting the nut on the metal piece is improved, and the use experience of a user on the riveting device is improved.

The invention discloses a quick detection tool and a detection method for key hole sites of a front shell, and belongs to the technical field of production and manufacturing of front shells of transmissions of M-series models. The measuring tool body is provided with a weight reducing groove and a through hole, the handle is fixed on two sides of the measuring tool body, the first positioning pin seat, the second positioning pin seat and the pin sleeve are fixed in the through hole through bolts, the positioning pin is detachably connected with the first positioning pin seat, the positioning pin is a rhombic pin and detachably connected with the second positioning pin seat, and the measuring rod penetrates through the pin sleeve in a sliding mode. The detection method comprises the steps of workpiece preparation, detection tool positioning, fitting degree verification, hole site detection and detection post-processing, and the hole site position degree is visually judged through the penetration smoothness of the measuring bar. The device is high in detection precision, stable and reliable in result, easy and convenient to operate, convenient to maintain, simple in structure, low in manufacturing cost, capable of effectively meeting the requirement for online rapid detection of the position degree of the key pin hole of the transmission front shell, high in practicability and suitable for application and popularization.

The invention relates to the technical field of railway vehicle braking, and discloses a basic braking device for a digital rail train, which comprises a bracket, a brake disc, a support frame and a pushing assembly, the bracket is provided with a limiting groove for circumferentially limiting the brake assembly, circumferential friction force is directly transmitted to a train body, and the support frame is prevented from being over-positioned due to bending moment deflection; the supporting frame and the bracket are in sliding connection through the guide pin and the guide cylinder, two-stage sliding of the brake assembly and the brake disc is achieved, the brake assembly can symmetrically clamp the brake disc and counteract axial thrust step by step, and the brake stability is improved. Meanwhile, the guide cylinder is provided with the oil injection nozzle and the detachable cylinder cover, the brake assembly can be rapidly disassembled and assembled without disassembling parts such as wheels, lubricating grease is conveniently replaced, and the maintenance process is simplified.

The utility model discloses a deep foundation pit well point downcast pipe fixing device which comprises a well pipe, a downcast pipe is arranged in the well pipe, non-woven fabric is arranged on the surface of the downcast pipe, and a water pumping pipe is arranged in the downcast pipe. The clamping mechanism is located at the top of the well casing and comprises a cover plate, the cover plate is located at the top of the well casing, the inner wall of the cover plate is slidably connected with the surface of the well casing, the top of the downcast pipe extends to the top of the cover plate, and clamping blocks are slidably connected to the front side and the rear side of the right side of the inner wall of the cover plate. The position of the non-woven fabric is fixed through the fixing mechanism, the non-woven fabric is prevented from being separated from the downcast pipe, then the downcast pipe in the well pipe is clamped and fixed through the clamping mechanism, the downcast pipe is prevented from inclining, the fixing device for the deep foundation pit well point downcast pipe has the fixing advantage, the stability of the fixing device is improved, and the fixing effect is good. Meanwhile, the phenomenon that the well point downcast pipe shakes and inclines is avoided.

The utility model provides a double-wire starter brush holder, which comprises a rear cover, a brush holder bottom plate, a cathode carbon brush lead and a main cathode connector, the brush carrier bottom plate is mounted on the rear cover; a negative electrode carbon brush wire is arranged on one side, deviating from the rear cover, of the brush holder bottom plate, and is electrically conducted with the brush holder bottom plate; the main negative electrode connector is arranged on the brush holder bottom plate and is electrically connected with the negative electrode carbon brush wire through the brush holder bottom plate. According to the utility model, the brush holder bottom plate is installed on the rear cover, the negative electrode carbon brush wire and the negative electrode connector are directly connected to the brush holder bottom plate, and the negative electrode carbon brush wire and the negative electrode connector are electrically conducted and connected through the brush holder bottom plate, so that the limitation of the position relation is eliminated, the structural arrangement is simplified, the assembly is convenient, and the requirement that the negative electrode of a double-wire system is not grounded is met; and meanwhile, the length of the cathode carbon brush wire is shortened, and the part cost is reduced.

The utility model relates to the technical field of material distributing devices, and provides an automatic sorting mechanism for detection equipment, which comprises a collecting table, a sorting table, a sorting table, a sorting table, a sorting table, a sorting table, a sorting table and a sorting table, and is characterized in that the collecting table is provided with a first material channel and a second material channel, and the first material channel is positioned above the second material channel; the material distributing plate is movably arranged at the feeding end of the collecting table and movably flush with the first material channel and the second material channel, and the material distributing plate is provided with a first material distributing position and a second material distributing position; when the material distributing plate is located at the first material distributing position, the material distributing plate is flush with the first material channel and used for guiding materials into the first material channel. When the material distributing plate is located at the second material distributing position, the material distributing plate is flush with the second material channel and used for guiding the materials into the second material channel, and the material distributing plate is switched between the first material distributing position and the second material distributing position, so that the materials can be automatically guided to the first material channel or the second material channel according to preset sorting conditions; according to the sorting mode, the operation steps of positioning, grabbing, moving, releasing and the like are avoided, and the processing time of each material is effectively shortened.

The invention discloses an ultrahigh-pressure small air filter, and relates to the technical field of air filters. The control box comprises a control box body, two opening and closing doors are hinged to the two sides of the control box body correspondingly, handles are arranged on the side faces of the multiple opening and closing doors correspondingly, pressure displays are arranged on the side faces of the multiple opening and closing doors correspondingly, and an adjuster is arranged on the side face of one opening and closing door. Through cooperation of the hollow supporting table, the connecting port, the fixing block, the motor, the threaded rod, the threaded sleeve, the supporting plate, the placing frame, the air filter main bodies and other assemblies, switching of the two air filter main bodies is achieved, and the situation that when the air filter main bodies need to be stopped, and filter elements of the air filter main bodies are replaced, the air filter main bodies are replaced is avoided. And equipment connected with the air filter main body is stopped in the replacement process, so that the working efficiency of the connected equipment is reduced.

The utility model relates to a pipeline positioning and fixing device for peritoneal dialysis, which comprises an abdomen fixing band which is fixed on the abdomen of a patient in a surrounding manner through a detachable component; a moving part is arranged on the abdomen fixing belt, a fixing device is connected to the moving part, and the fixing device is used for fixing a peritoneal dialysis catheter; the fixing device comprises a viscous fixing disc, a dialysis fixing tube fixed on the viscous fixing disc, and a connecting piece for connecting the fixing tube and the abdomen fixing band; a protection assembly is fixed to the abdomen fixing belt and used for fixing a peritoneal dialysis pipeline. The fixing stability of the peritoneal dialysis catheter is improved, and the peritoneal dialysis catheter is prevented from shaking to draw a wound of a patient and cause discomfort of the patient.

The utility model discloses a kind of top automatic covering packaging machines. A kind of top automatic covering packaging machine, including stabilizing device, stabilizing device is equipped with stabilizer inside, stabilizer is equipped with stabilizing structure inside, stabilizing structure is equipped with outer wall inside, a plurality of sliding grooves are equipped with in outer wall, cooperation ball is installed on the side of sliding groove, embedded key is installed on the side of cooperation ball, sliding ball is connected on embedded key, sliding ball outside is nested with sliding groove inside. The utility model is moved to the front with outer wall by the second electric push rod in stabilizing device, and cooperation ball moves in sliding groove, so as to make top automatic covering packaging machine can clamp the material of various shapes, effectively avoid that top automatic covering packaging machine is positioned to the protruding object on bottom, its positioning plate will impact protruding point and the position of packaging object is displaced, cause that top automatic covering packaging machine is positioned to the applicability of packaging object has been greatly limited.

The application discloses an auditable chain model digital watermarking method, comprising the following steps: an owner inputs a salt value and an owner identifier into a computer system; a model training period is divided into training fragments; a model weight of a previous training fragment is used to calculate an identifier of a current training fragment through a hash function; the identifier is used as a seed of a generator to generate watermark information of the current training fragment; a total loss function containing a task loss and a watermark loss is constructed; watermark loss is realized by constraining a target embedded parameter symbol or a value to approximate a binary watermark bit stream; watermark positioning is realized through statistical analysis; a private noise is introduced before a training fragment is saved; a model saved after noise injection is saved as a detection point file, which is used as initial weight of a next fragment; training is repeated and iterated to output a model hash chain; double verification is performed based on the model hash chain according to a verification request, and a verification result is sent to a verifier. The method improves the robustness of the watermark to various attacks and is suitable for model distribution and copyright evidence scenarios.