13results about How to "Guaranteed Orientation" patented technology

This utility model relates to the field of molding die technology and discloses a precision positioning secondary molding die, including a base. A first positioning mechanism is provided on the top of the base, and a second positioning mechanism is provided on the rear side of the base. Limiting posts are fixedly connected to the left and right sides of the top of the base. A lower die is inserted into the top of the base, and connecting blocks are fixedly connected to the left and right sides of the lower die. Pins are inserted into the connecting blocks. In use, when the rectangular steel plate after punching needs to be further processed for secondary molding through the first positioning mechanism, the first hydraulic cylinder drives the moving table and the upper die to move down precisely. The limiting sleeve slides along the limiting post and cooperates with the limiting shaft to limit the connection between the moving table and the upper die, ensuring that the alignment error between the upper die and the lower die is minimal. The second hydraulic cylinder pushes the limiting plate to contact the workpiece on the top of the lower die, limiting the displacement of the workpiece from the front and back direction. The cooperation of the pins and the fixed shaft securely installs the lower die on the base.

A loom yarn hook device, comprising a shears support frame, a cantilever beam, a yarn hook hanger and a yarn hook, the cantilever beam is inserted into the shears support frame, the yarn hook hanger is fixed on the cantilever beam, the cantilever beam is fixed with a yarn hook fixing rod, the rod body of the yarn hook fixing rod is fixed with the yarn hook on the side away from the shears support frame, the yarn hook hanger is provided with a strip-shaped hole, the yarn hook fixing rod is provided with a blocking cover corresponding to the limiting block slot on the periphery of the strip-shaped hole, and the end of the yarn hook fixing rod on the side of the recess in the blocking cover is screwed with a second locking nut after passing through the strip-shaped hole. The yarn hook device creatively provides a positioning structure between the yarn hook hanger and the yarn hook fixing rod, which is not easy to loosen horizontally and vertically, is firmly positioned, and does not produce burrs on the guide part due to up-down movement positioning, solves the defects that the yarn hook fixing rod of the existing yarn hook device is not firmly positioned and is easy to produce burrs due to movement, and can effectively ensure the guiding effect of the fabric or yarn.

The utility model discloses a drying structure for a brazing furnace. The drying structure for the brazing furnace is good in drying effect. Comprising a drying bin, a plurality of separation curtains are installed in the drying bin, the separation curtains divide the drying bin into a plurality of drying cavities, and different drying cavities correspond to different drying temperatures; the lower air blowing block is mounted at the bottom of the drying cavity; the side air blowing block is installed on the side wall of the drying cavity in a sliding mode, and a heating rod is arranged in the side air blowing block; and the exhaust pipeline is mounted at the top of the drying bin and communicates with the drying cavity. The side air blowing device has the advantages that the position of the side air blowing block in the drying bin can be adjusted, and therefore it can be guaranteed that the air blowing direction faces a workpiece, the air blowing drying efficiency is improved, and the air blowing drying effect is improved.

The utility model discloses raw material cutting equipment for die steel processing, which comprises an equipment bottom box, the equipment bottom box comprises a box shell, a first supporting shell and a second supporting shell, the first supporting shell and the second supporting shell are both fixedly installed on the upper end face of the box shell, and a processing table is fixedly installed on the upper end face of the first supporting shell and the upper end face of the second supporting shell. Two sets of limiting seats are symmetrically installed on the upper end face of the machining table and are in sliding connection with the machining table. The driving part is arranged to drive the two sets of limiting seats to synchronously move in the same direction or away from each other, the clamping width can be rapidly and conveniently adjusted to adapt to die steel raw materials of different sizes, and the adjusting efficiency and the automation degree are improved. The pressing and holding assembly is slidably installed on the limiting base, the operating piece is arranged to adjust the distance between the pressing and holding assembly and the limiting base, and therefore the die steel placed on the machining table can be conveniently and reliably pressed in the vertical direction, it is ensured that clamping is stable, raw materials are prevented from moving in the cutting process, and the cutting precision is improved.

The utility model belongs to the technical field of building construction equipment, concretely relates to a crane steel wire rope winding anti - disorder rope limiting device for building construction, including base, base and support plate one end fixed connection, support plate other end and support frame outside fixed connection. The utility model discloses be provided with electric push rod and pulley on the connecting frame, and the device passes through two pulleys when using crane steel wire rope, and control two electric push rod elongation makes two pulleys close to each other and carries out the clamping limit of steel wire rope, when winding the steel wire rope by using the winch, can utilize motor, reciprocating screw, reciprocating screw nut, translation board drive connecting frame and pulley left and right reciprocating translation, thereby utilize the translation adjustment steel wire rope's position of connecting frame, pulley, make steel wire rope can be along winch reel in turn winding, avoid the extrusion caused by the irregular messy winding of steel wire rope on the reel, effectively prolong the service life of steel wire rope.

The application provides a piston structure for a coal slurry conveying diaphragm pump, which comprises a piston cylinder, a piston rod, a piston disc, and a clamping nut; a threaded mounting section and a piston disc mounting section are sequentially arranged in the middle of the piston rod from left to right; the piston disc is sleeved on the piston disc mounting section of the piston rod and is used for dividing the piston cylinder into two mutually isolated working cavities; the left end of the piston rod penetrates through the piston cylinder; the piston structure further comprises a positioning table; the positioning table is located on the right side of the piston disc mounting section and is integrally arranged with the piston rod, the perpendicularity between the left end surface of the positioning table and the piston rod is not greater than 0.01 mm; the clamping nut is threadedly connected with the threaded mounting section of the piston rod and is used for pressing the piston disc on the left end surface of the positioning table. The piston structure for the coal slurry conveying diaphragm pump, the piston disc is fixed on the piston rod through the positioning table and the clamping nut, the positioning table is integrally arranged with the piston rod, the perpendicularity of the positioning end surface is ensured, and the internal leakage of the piston cylinder is effectively avoided.

The invention provides a special-shaped household garbage classification method and system based on a knowledge graph, and relates to the technical field of artificial intelligence, and the method comprises the steps: collecting multi-dimensional parameter data of special-shaped household garbage, executing preprocessing and feature extraction to generate visual and material features, integrating and generating structured feature vectors, and converting the structured feature vectors into semantic feature representations, semantic feature representation is generated; constructing a junk knowledge graph, performing feature matching on the semantic feature representation and the knowledge graph, calculating an entity comprehensive matching degree, and screening to generate an instance candidate entity set; based on the instance candidate entity set and the knowledge graph, analyzing and reasoning an association path of the candidate entity and the garbage category, and calculating a credibility score of the association path; according to the method, the entity comprehensive matching degree, the association path and the credibility score are evaluated, and the garbage category is output, so that accurate classification of the special-shaped household garbage can be realized, the limitation of traditional matching based on a shape template is broken through, and the accuracy and adaptability of garbage classification are improved.

The utility model relates to charging pile technical field especially, relates to a combined charging pile convenient to assemble. Including installation frame, one side fixed setting of installation frame top is provided with electrically controlled platform, installation frame setting is rectangular frame body structure, and the outside of installation frame is hinged with the folding door board through the pivot seat, and the side of installation frame far away from folding door board is detachably provided with cable guide frame, and electrically controlled platform fixed setting is in installation frame top, and installation frame is embedded assembly in the installation wall body department, and one side fixed setting of installation frame has two rotating motors, and electrically controlled platform and two rotating motors electric connection, and rotating motor output fixed setting has push rod body, and the middle rod body department of two push rod bodies all is provided with the guide ring groove of cable placement, the utility model wants to solve the technical problem that: the long cable of existing charging pile lacks effective storage guide, is easy to lead to messy, wear and tear and security risk, and influences use convenience and reliability.

The application relates to the technical field of valves, in particular to a top-mounted wear-resistant shear valve which comprises a valve body, a valve cover fixed at the top of the valve body and a shear gate located in a vertical installation cavity in the valve body; the bottom end of the shear gate is provided with a bevel shear blade which is built up with a hard alloy layer, a detachable valve seat with a scraper surface is arranged on the downstream side of a flow passage of the valve body, a longitudinal guide rail matched with the shear gate is arranged on the inner wall of the vertical installation cavity, and a slag discharge groove is arranged at the bottom of the valve body. The top-mounted structure can realize integral hoisting and maintenance of internal components without disassembling pipelines, thereby shortening the maintenance time; the cooperation of the bevel shear blade and the scraper surface can forcibly cut off hard particles in the medium, and the cooperation of the guide rail support and the slag discharge design can significantly improve the wear resistance, sealing tightness and operation reliability of the valve.

The utility model provides a device is cut open to tofu strip, include: support, the inboard of both ends of support is fixed with linear guide respectively Installation has the sliding block of linear guide inboard sliding installation, install the blade module support between left and right two sliding blocks, support top fixed installation has double stroke pneumatic cylinder, double stroke pneumatic cylinder drives blade module support up and down movement, the blade module support includes: guide shaft, connecting shaft, first connecting rod, blade module and second connecting rod, install the blade module on the front and back two guide shafts through a plurality of connecting shafts, first connecting rod and second connecting rod, the blade module includes: first blade unit module and second blade unit module. This kind of device is cut open to tofu strip, can play to tofu strip automatic cutting, then equidistantly open, by the belt of being placed below and take the tofu piece of opening to the next station.

The utility model discloses a kind of earphone structures of three-dimensional combination ear clip, including support, first loudspeaker and second loudspeaker, the middle part of the support is equipped with positioning slot, the side wall of the support is equipped with sound outlet, sound outlet extends to positioning slot and is enclosed into sound passage, first loudspeaker is located in positioning slot, the second loudspeaker is equipped with at least one, second loudspeaker is located in the upper end and / or lower end of support, the second loudspeaker is equipped with sound outlet, and spacing is equipped between sound outlet and first loudspeaker, the sound outlet and the wall surface of support enclose guide sound cavity.In actual design, first loudspeaker is plane loudspeaker (preferably plane tweeter), the second loudspeaker is moving coil loudspeaker, by setting first loudspeaker, second loudspeaker as modular design, and install in support, and through the sound passage of support side wall, can improve the guide sound accuracy of ear clip earphone while ensuring treble and bass, improve the sound effect of earphone.

The utility model discloses a smoke-blocking wall cloth fixing device of a smoke-blocking vertical wall, which comprises a vertical wall body, a top plate is fixedly mounted at the upper end of the vertical wall body, positioning side plates are mounted at two ends of the top plate, positioning holes are formed in the end parts of the positioning side plates, wall cloth is arranged on the front surface of the vertical wall body, and the top plate is fixedly mounted on the wall cloth. Driving equipment is movably installed at the upper end of the wall cloth, and a fixed iron block is fixedly installed at the lower end of the vertical wall body through a supporting plate. According to the utility model, the magnetic attraction stone at the lower end of the wall cloth and the fixed iron block are magnetically attracted with each other, so that the wall cloth can be stably positioned in a working position after being put down and is not easy to shake or shift due to the influence of external force such as smoke flow and airflow, and the smoke blocking effect is ensured; the guide limiting frames on the two sides of the wall cloth can play a role in restraining and guiding the wall cloth, the problems of deviation, wrinkling and the like of the wall cloth in the winding and unwinding process are solved, and the stability and the fixing effect of the wall cloth are further enhanced.

The present application relates to the technical field of flue gas treatment, in particular to a centralized treatment equipment for flue gas of a biomass steam boiler, which comprises a spark catcher, the spark catcher comprises a shell and an inner seat in the shell, the shell is provided with an air inlet, an air outlet and a residue discharge port, the air inlet is communicated with a flue gas outlet of the biomass steam boiler; the inner seat is in a circular table structure, and the small end faces the air inlet; a plurality of support sheets are arranged between the shell and the inner seat, the support sheets are arranged along the circumference of the inner seat, and the support sheets are spirally arranged along the axis of the inner seat; each support sheet is sleeved with a flow guide ring belt, the flow guide ring belt forms a closed motion loop, and a flow channel is formed between adjacent flow guide ring belts, the flow channel is used for passing the flue gas generated by the biomass steam boiler. Through the movement of the flow guide ring belt, the position of switching and flue gas contact is avoided to be impacted by the flue gas all the time, so that the service life is improved.