Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

117results about How to "Quick job change" patented technology

Mining monorail crane locomotive

The invention relates to the field of monorail crane hoisting equipment, in particular to a mining monorail crane locomotive which comprises a locomotive body. The bearing box is connected to the locomotive body in a sliding mode and used for containing a storage battery, a storage cavity is formed in the locomotive body, the bearing box is located in the storage cavity, and an avoiding connector is further formed in the bearing box; the replacing mechanism is arranged between the locomotive body and the bearing box and used for moving the bearing box to the outer side of the locomotive body and meanwhile achieving lifting of the bearing box; and the storing and taking mechanism is arranged on the bearing box and used for fixing and taking out the storage batteries in the bearing box. The storage battery replacing device has the advantages that the storage battery of the monorail crane can be rapidly replaced, the monorail crane can continuously run, the idle time of the monorail crane is shortened, and the working efficiency of workers is improved.
Owner:SHANXI CHANGZHI BEIKE ELECTRIC CO LTD

Stamping die with replaceable stamping die head

The utility model belongs to the field of new energy battery processing, and particularly relates to a stamping die with a replaceable stamping die head, which comprises a workbench, the top of the workbench is fixedly connected with a hydraulic cylinder, a detachable die holder is arranged below the hydraulic cylinder, the outer wall of the workbench is fixedly connected with a lower die holder, and the lower die holder is fixedly connected with an upper die. And the detachable mold base comprises a connecting base, the output end of the hydraulic cylinder is in threaded connection with the connecting base, the outer wall of the connecting base is fixedly connected with a clamping lug base, and the outer wall of the clamping lug base is rotationally connected with a rotating plate. According to the stamping die with the replaceable stamping die head, through cooperation of the limiting ring block and the limiting block, the stamping die head on the connecting base can be conveniently fixed through the limiting rod, when disassembly is needed, only the limiting state of the limiting ring block and the limiting block needs to be quickly relieved, then the limiting rod is disassembled, and the disassembly efficiency is improved. The stamping die head can be replaced conveniently and rapidly, convenience and rapidness are achieved, and the working efficiency is improved.
Owner:HEFEI CHENXING PRECISION MOULD CO LTD

Double-pedal electric wheelchair

The utility model relates to a double-pedal electric wheelchair, which belongs to the technical field of electric wheelchairs and comprises a seat component, a driving component, a front wheel component, a rear wheel component and a quick release fastener. The rear wheel assembly is connected with the driving assembly, the front wheel assembly is detachably connected with the driving assembly, the electric wheelchair is quickly disassembled for the first time, the driving assembly is detachably connected with the seat assembly, and the electric wheelchair is quickly disassembled for the second time; the front wheel assembly comprises a universal wheel set and an omni-directional wheel set, the universal wheel set and the omni-directional wheel set are each provided with a clamping strip, the quick-release buckles are detachably connected with the clamping strips and used for quickly replacing the universal wheel set and the omni-directional wheel set, and the quick-release front wheel assembly can be replaced under different road conditions, so that the electric wheelchair can be used in multiple scenes; according to the wheelchair, the adaptability and convenience are improved, a user can quickly adjust the configuration of the wheelchair according to different requirements and environments, the user can quickly complete replacement work by himself / herself without depending on professionals or special tools, replacement is convenient, and operation is easy.
Owner:ZHONGSHAN PRODIGY INNOVATION TECH CORP LTD

Copper and copper alloy strip edge watermark removing device

The invention discloses a copper and copper alloy strip edge watermark removing device, and relates to the technical field of copper strip production, the copper and copper alloy strip edge watermark removing device comprises a copper strip body and a fixing plate, the side, away from the copper strip body, of the fixing plate is fixedly connected with a programmable controller, and the side, away from the fixing plate, of the programmable controller is provided with an air compression device; a nozzle is fixedly connected to an opening of the air compression device and used for blowing compressed air to the edge of the copper strip body at a certain angle and speed. The device has the main advantages that through the stepping motor, the moving body, the air compression device and the nozzle, water stains on the edge of the strip can be removed through compressed air, and the compressed air can quickly blow away the water stains on the edge of the strip through high-speed airflow and certain pressure of the compressed air. Therefore, the drying time in the production process can be remarkably shortened, and the production efficiency is improved.
Owner:铜陵有色金属集团股份有限公司

Floor cleaning device for housekeeping

The utility model relates to the technical field of cleaning, in particular to a household floor cleaning device which prevents water drops from being left on the surface of the floor for a long time, effectively protects and cleans the wooden floor, improves the attractiveness of the wooden floor, prolongs the service life of the wooden floor and improves the practicability. A supporting rod is obliquely and fixedly installed at the bottom end of the handle rod, a first sliding groove is formed in the outer side wall of the supporting rod, a first sliding block is slidably installed on the first sliding groove, a cleaning sponge is fixedly installed on the outer side wall of the first sliding block, a fixing block is fixedly installed at the bottom end of the supporting rod, and a second sliding block is slidably installed on the second sliding groove. A scraping strip is fixedly installed at the bottom end of the second sliding block, a first screw is screwed on the first sliding block, a second screw is screwed on the second sliding block, and a first rotating disc and a second rotating disc are sequentially and fixedly installed on the outer side wall of the first screw and the outer side wall of the second screw.
Owner:HEBEI QINDE ENTERPRISE MANAGEMENT CO LTD

VOCs treatment equipment and method for pharmaceutical and chemical production

The invention relates to the technical field of VOCs treatment, in particular to VOCs treatment equipment and method for pharmaceutical and chemical production. According to the technical scheme, the spiral alternate material changing device is arranged between a tower body and a center cylinder and comprises a spiral installation structure fixed to the tower body and the center cylinder and a spiral material containing structure capable of moving in the spiral installation structure. According to the device, the utilization rate of the filler can be greatly improved in a mode of replacing the filler positions with different distribution heights, the device is simple in structure and convenient to operate, the filler replacement operation can be quickly completed, and new filler does not need to be refilled on a small scale, so that the time for culturing the biological membrane is saved, and the operation efficiency is improved.
Owner:SHANDONG PHARM IND DESIGN INST CO LTD

Quick replacement buckle device for aluminum electrolytic capacitor

ActiveCN224670037UQuick disassembly and replacementEasy to adapt and use
The utility model discloses a kind of aluminum electrolytic capacitor quick replacement buckle devices, belong to capacitor dismounting technical field. Including roof and sleeve, the top end of the roof is movably installed with sleeve, the top end of the roof outside sleeve is installed with hand-held handle, the top end of the sleeve is provided with threaded sleeve, the inside of the threaded sleeve is provided with screw rod, and screw rod is connected with threaded sleeve threadedly, the outer wall of the threaded sleeve is provided with gear ring, the inside of the hand-held handle of the gear ring one side is provided with rack, the upper and lower ends of the rack are provided with limit strip, and rack is slidably connected with hand-held handle by limit strip, one end of the rack is provided with pressing block. The utility model not only realizes linkage center clamping capacitor to carry out quick dismounting replacement to capacitor, facilitates the capacitor on the circuit board of different sizes to carry out adaptive use, and furthermore improves the convenience and the flexibility of adaptation of capacitor dismounting replacement.
Owner:HANGZHOU JIAYU ELECTRONIC TECH CO LTD

Assembled paper guide rope wheel device

The utility model provides an assembled paper guide rope wheel device, and belongs to the technical field of paper guide rope wheels. Comprising a rope wheel body; the two rotating shafts are arranged on the left side and the right side of the rope wheel body; the two rotating plates are arranged on the outer side of the rotating shaft, and the rotating plates are cylindrical; the fixed plate is arranged on the outer side of the rotating plate; the two first insertion holes are formed in the rotating plate; and the two second insertion holes are formed in the rotating shaft. By arranging the fixing part and adopting a mechanism capable of being rapidly disassembled and reset, the paper guide rope can be replaced more rapidly, the downtime is shortened, the complexity of maintenance operation is reduced, meanwhile, due to the concave-convex texture design on the surface of the rope wheel body, the friction force between the paper guide rope and the rope wheel is increased, and the service life of the rope wheel is prolonged. The traction efficiency is improved, pressure can be dispersed, and local abrasion is reduced.
Owner:XINXIANG HONGXIANG PAPER CO LTD

Chip removal and cleaning device of numerical control machine tool

The utility model discloses a numerical control machine tool chip removal cleaning device which comprises a machine tool body, a fixing base, an air suction cavity and a fixing column, an inserting groove is formed in the top end of one side in the machine tool body, clamping grooves are formed in the two sides in the inserting groove, and linear motors are installed on the two sides in the machine tool body. A fixing seat is mounted on one side of the linear motor, a fixing frame is arranged in the bottom end of the fixing seat, and a cleaning brush is fixedly connected to the bottom end of the fixing frame. The shifting block is arranged on one side of the top end of the fixing column, when chippings need to be cleaned, the fixing column can be driven to move by pulling the shifting block, at the moment, the fixing column can drive the sliding blocks on the two sides to slide on the sliding rods, and meanwhile the fixing column can pull the folding cover plate to be unfolded. When the inserting block on one side of the fixing column is inserted into the inserting groove in the machine tool body, the folding cover plate can be unfolded at the top end in the machine tool body.
Owner:CHONGQING YONGHANG MASCH TECH CO LTD

Fog gun carriage with fan blades convenient to replace

The utility model relates to the technical field of dust removal, and discloses a fog gun carriage convenient to replace fan blades, the fog gun carriage convenient to replace fan blades comprises a carriage body and a fog gun machine mechanism, the fog gun machine mechanism comprises a fan assembly, a gun barrel and a driving motor, one end of the fan assembly is connected with the output end of the driving motor, the other end of the fan assembly is connected with the gun barrel, and the fan assembly is connected with the gun barrel. One end of the gun barrel is fixedly connected with a high-pressure nozzle, the high-pressure nozzle communicates with an external water tank, and supporting frames are installed below the fan assembly, the gun barrel and the driving motor; the fan assembly can be separated from the motor and the gun barrel, the fan blades of the fan can be replaced more conveniently, the maintenance time can be shortened, and when the fan breaks down or needs to be replaced regularly, an operator can quickly complete the replacement work, so that the working efficiency is improved; safety risks caused by fan faults can be reduced, it is ensured that the fog gun vehicle is always kept in the optimal working state, and the overall performance and reliability of the fog gun vehicle are improved.
Owner:重庆市固体废弃物处理有限公司

Pressing ring cleaning device of perforating machine

The utility model discloses a material pressing ring cleaning device of a perforating machine, and relates to the technical field of bottle cultivation mushroom machinery accessories, the material pressing ring cleaning device of the perforating machine comprises a driving part, connecting parts and a dismounting part, the output end of the driving part is provided with a guide rod, the connecting parts are arranged on the outer side of the guide rod, a mounting plate is arranged in the middle of the two connecting parts, and the dismounting part is arranged on the mounting plate. A brush is fixedly connected to the upper portion of the mounting plate, a mounting block is fixedly connected to the outer wall of the lower portion of the mounting plate, and a supporting plate is arranged outside the mounting block. According to the material pressing ring cleaning device of the perforating machine, residual compost on the material pressing ring of the perforating machine can be automatically cleaned, then the good perforating effect of the equipment is guaranteed, a brush can keep stable during movement through two guide rods, the height of the brush can be adjusted through a connecting part adjusting groove, and therefore the perforating effect of the equipment is improved. And the mounting plate and the brush can be quickly replaced by arranging the dismounting and mounting part, so that the time wasted by replacing the brush is effectively shortened.
Owner:SHANGHAI JIEMIAO MASCH CO LTD

A kind of embossing equipment

ActiveCN224588611UAvoid jamming problems with sliding fitsReduce disassembly steps
This utility model relates to the field of edge banding embossing technology, specifically an embossing device. It includes a worktable with a support roller and an embossing roller rotatably connected to its front end. Several edge banding strips pass between the embossing roller and the support roller. The embossing roller is coaxially connected to a rolling motor. The embossing roller includes an end post assembly and a pressure roller. The end post assembly includes a mounting post and a backing plate. An mounting groove is formed on the outer circumferential surface of the mounting post. Square shafts are provided at both ends of the pressure roller, extending into the mounting grooves. The pressure roller of this embossing device is fixed by the square shaft engaging with the mounting groove of the mounting post, and secured by the backing plate and fixing bolts. When changing the pattern, simply loosen the fixing bolts and move the lever to rotate the backing plate around the hinge platform to directly remove and replace the pressure roller. The matching structure between the square shaft and the mounting groove avoids the jamming problem of sliding fit, and the replacement of a single pressure roller requires only a single bolt operation, reducing disassembly and assembly steps and facilitating quick pattern replacement.
Owner:CHONGQING MIWEI POLYMER MATERIAL CO LTD

Dustproof mask for automobile audio

The utility model relates to the technical field of dust prevention, in particular to a dust mask for an automobile audio, which is convenient for quickly replacing a dust cover, further convenient for cleaning dust adsorbed on the dust cover, and capable of ensuring the normal work of the dust cover and improving the practicability. A support is fixedly installed at the top end of the sound box body, a dust cover is tightly attached to the bottom end of the top seat, a limiting groove is formed in the top end of the support, a plurality of fixing bins are fixedly installed at the top end of the limiting groove, a sliding groove is formed in one end of each fixing bin, and a plurality of fixing columns are fixedly installed at the bottom end of the top seat. A fixing rod is fixedly mounted on the outer side wall of each fixing column, each fixing rod is slidably clamped to a sliding groove formed in each fixing bin, and a buffering mechanism is arranged at the top end of each limiting groove.
Owner:GUANGZHOU SHENGXIN ELECTRONICS CO LTD

End cover structure of three-phase asynchronous motor

The utility model relates to the field of three-phase asynchronous motors, in particular to an end cover structure of a three-phase asynchronous motor, which comprises an end cover, an end cover sleeve and a fixed seat, the side surface of the end cover is provided with a side heat dissipation opening, the end cover is internally provided with a stabilizing sleeve, the stabilizing sleeve is internally provided with a through hole, the through hole is provided with a rotating shaft, and the upper end of the stabilizing sleeve is provided with a connecting sleeve. The lower end of the connecting sleeve is connected with the rotating shaft, an end cover sleeve is arranged at the upper end of the end cover, a fixed seat is arranged in the end cover sleeve, a connecting plate is arranged on the side face of the fixed seat, a movable sleeve is installed at the lower end of the fixed seat, and the upper end of the transmission shaft rotates in the movable sleeve. A filter screen is arranged in the motor, air circulation inside and outside the motor is enhanced, heat inside the motor is effectively discharged, impurities are prevented from invading, cleaning and safety inside the motor are protected, heat dissipation is further accelerated through the arrangement of a cooling fan, the working temperature of the motor is effectively controlled, and the working efficiency and reliability of the motor are improved.
Owner:JIANGSU JINCHI ELECTRIC CO LTD

NFC self-service ticket checking door

The utility model discloses an NFC self-service ticket checking door which comprises a ticket checking door body, a door body and an installation assembly thereof are movably installed on the ticket checking door body, a blocking base is installed on the right side of the ticket checking door body, a person passing channel is formed between the blocking base and the ticket checking door body, and the interior of the person passing channel is blocked through a door frame. An NFC card swiping part is installed on the surface of the ticket checking door body, a stepping motor is fixedly installed in the ticket checking door body, meanwhile, an output shaft of the stepping motor is fixedly connected with a worm, a worm wheel is installed on one side of the worm, and a rotating shaft of the worm wheel is fixedly connected with a driving shaft on a driving base. According to the NFC self-service ticket checking door, a tool is used for taking down a nut, holding the door frame with a hand and pulling out a positioning column from the interior of a positioning groove to complete the replacement work of the door frame, when the door frame is replaced, the ticket checking door body does not need to be opened, and equipment in the ticket checking door body does not need to be operated either; and the damaged door frame can be quickly replaced.
Owner:JIANGSU YOUMAI SPORTS DEV CO LTD

Traction device for gooseneck semitrailer

The utility model relates to the technical field of transportation equipment, in particular to a traction device for a gooseneck semitrailer, which comprises an adapter used for connecting a frame and a tractor, a traction connection module used for connecting the tractor is mounted on the lower portion of the adapter, and a cross beam used for connecting the adapter is mounted on the lower portion of the frame. According to the traction module, the mounting base detachably connected with the cross beam is arranged on the adapter base, the adapter base is detachably connected with the tractor and the frame, only the adapter base needs to be detached and replaced when the traction module is damaged, and compared with existing integral connection of the traction module and the frame, maintenance and replacement operation can be completed more quickly.
Owner:CHINA EVERGRAND COMMERCIAL VEHICLES CO LTD

Environment-friendly dustproof device for steel belt production

ActiveCN224181436UPrecisely control movement trajectoryImprove uninterrupted work capabilitiesCleaning using toolsCleaning using gasesStructural engineeringSteel belt
The environment-friendly dustproof device comprises a cleaning cavity, a traction block, a connecting plate, a clamping assembly and a movable assembly, two sets of electric telescopic rods are evenly arranged at the top end of the cleaning cavity, and a pair of driving grooves is formed in the side face, not provided with a conveying opening, of the inner wall of the cleaning cavity. A guide rail is arranged between the pair of driving grooves on the same side, a pair of guide blocks are arranged in the guide rail, driving blocks are arranged in the driving grooves, the pair of guide blocks and the adjacent driving blocks are connected to the two sides of a traction block respectively, the guide blocks are fixedly connected with the traction block, and the driving blocks are connected with the traction block through movable assemblies. The movable assembly comprises a sliding groove, and the sliding groove is formed in the side, facing the traction block, of the driving block. The cleaning plate can be replaced without affecting normal operation of a steel belt production line, the replacement is smooth, the operation difficulty of operators is reduced, and labor loss and maintenance cost are saved.
Owner:XINGHUA STEELMILE METAL PROD CO LTD

Fixing base for electric baby carriage

The utility model discloses a fixed base for an electric baby carriage, which comprises a baby carriage connecting seat, the top end of the baby carriage connecting seat is provided with a base main body, the bottom ends of the two sides of the base main body are fixedly connected with hand supports, the middle position of one side of the base main body is rotatably connected with a rotating handle, and one side of the outside of the rotating handle is fixedly connected with a first pull rope. The inserting block is fixedly connected to the middle of the bottom end of the base body, when the inserting block is inserted into the inserting groove in the top end of the baby carriage connecting base, the clamping blocks on the two sides of the inserting block can be clamped into the clamping grooves in the inserting groove, and at the moment, connection and assembly of the baby carriage connecting base and the base body can be rapidly completed; by rotating a rotating handle on the back of the base body, the rotating handle can drive a winding shaft to rotate through a first pull rope, at the moment, the winding shaft can pull a first movable block on one side of a clamping block through a second pull rope and drive the clamping block to be pulled out of a clamping groove in an insertion groove, and rapid replacement work of the base body is achieved.
Owner:CHANGZHOU JIATU NEW MATERIAL TECH CO LTD

Weather-resistant cold-rolled steel strip fixing and trimming equipment

The utility model relates to the technical field of cold-rolled steel strips, and discloses weather-resistant cold-rolled steel strip fixing and trimming equipment which is characterized in that a fixing seat is fixedly connected to the middle of the top side of a base, electric push rods are arranged on the front side and the rear side of the fixing seat, and mounting blocks are fixedly connected to the sides, close to each other, of the electric push rods; mounting grooves are formed in the sides, close to each other, of the mounting blocks, polishing blocks are clamped in the mounting grooves, fixing frames are fixedly connected to the two sides of the top of the base, movable rollers are rotationally connected to the lower portions of the inner sides of the fixing frames, and hydraulic rods are arranged at the tops of the two fixing frames; the bottom of the hydraulic rod is fixedly connected with a connecting frame, and a lower pressing roller is arranged on the inner side of the connecting frame. An electric push rod, a mounting block and the like are arranged and used in cooperation, the electric push rod is controlled to stretch out and draw back to drive the mounting block to adjust the distance between the grinding blocks, a hydraulic rod is controlled to stretch out and draw back to drive a connecting frame to adjust the position of a lower pressing roller, and therefore steel belts with different widths and different thicknesses are adapted.
Owner:ZHEJIANG RONGXIN STRIP STEEL CO LTD

Toxoplasma gondii intercepting filter element containing nano antibacterial coating

The utility model relates to the technical field of filter elements, in particular to a toxoplasma gondii intercepting filter element containing a nano-antibacterial coating, which comprises a shell and an adaptive cover plate, a water inlet pipe and a water outlet pipe are arranged on the outer side of the shell, a limiting piece attached to the bottom of the cover plate is arranged in the shell, and the nano-antibacterial coating is arranged in the limiting piece. A plurality of annularly-distributed inner clamping grooves are formed in the inner side wall of the shell, a partition plate is fixed between one inner clamping groove and the limiting piece, and the water inlet pipe and the water outlet pipe are located on the two sides of the joint of the partition plate and the shell correspondingly; according to the utility model, the antibacterial filter materials can be clamped between the limiting piece and the inner clamping groove of the shell, so that the installation work of different numbers of antibacterial filter materials can be carried out according to the installation requirements; and the filter material unit can be conveniently and quickly replaced after the cover plate is opened in the later period.
Owner:DALIAN UNIV

A municipal weak current well cable layered fixing wire arrangement frame

ActiveCN224653088UAchieve hierarchical fixationOrderly rows
This utility model discloses a layered cable management rack for municipal low-voltage electrical wells, belonging to the field of municipal low-voltage electrical engineering. It includes a vertical mounting frame with several cable fixing mechanisms on one side. Each cable fixing mechanism includes a horizontal support frame, a fixed clamp, a screw, an L-shaped adjusting plate, and a movable clamp. The horizontal support frame is fixedly connected to the vertical mounting frame by U-bolts and nuts. This cable management rack achieves layered cable fixing by setting multiple cable fixing mechanisms on the vertical mounting frame, each mechanism including a fixed clamp and an adjustable movable clamp. This layered design not only makes the cable arrangement more neat and orderly, avoiding the problems of cable tangling and crossing in traditional methods, but also greatly improves the efficiency of later maintenance and troubleshooting. Maintenance personnel can quickly locate specific cables, reducing misoperation and troubleshooting time caused by cable disorder, thereby improving the stability and reliability of the entire low-voltage electrical system.
Owner:KAIPING JUNPENG CONSTR ENG CO LTD

Adjustable line pressing narrow frame folding door profile

The utility model discloses an adjustable line-pressing narrow-frame folding door section bar which comprises a hollow glass plate, a first narrow-frame section bar and a second narrow-frame section bar, the right end of the bottom of the first narrow-frame section bar is provided with two third clamping grooves, the left end of the bottom of the first narrow-frame section bar is connected with a second compensation section bar in a clamping mode, and the left end of the bottom of the second narrow-frame section bar is provided with a second compensation section bar in a clamping mode. Second clamping grooves are formed in the two ends of the bottom of the second compensation profile. Through the arrangement of the first narrow frame section bar, the second narrow frame section bar, the first compensation section bar, the second compensation section bar, the first heat insulation strip and the second heat insulation strip, a good supporting frame can be formed around the hollow glass plate; multi-layer heat insulation protection can be formed between the first narrow frame profile and the second narrow frame profile and between the first compensation profile and the second compensation profile, and the heat insulation performance in the overall using process is effectively improved.
Owner:HANGZHOU TORMA DOORS & WINDOWS TECH CO LTD

Air inlet device of bag type dust collector

The utility model relates to the field of air inlet devices, and discloses an air inlet device of a bag type dust collector, the air inlet device comprises an air outlet pipe, a shell and a filter bag, the surface of one side of the shell is fixedly connected with an air inlet pipe, the periphery of an air guide pipe is fixedly connected with a flow rate control valve, the top of the air guide pipe is fixedly connected with a connecting ring, and one side of a supporting ring is movably provided with a positioning bolt; supporting blocks are fixedly connected to the two sides of the interior of the shell, a filter bag is movably installed on the tops of the supporting blocks, a fixing ring is fixedly connected to the bottom of the filter bag, and the fixing ring and the supporting ring are embedded. Through cooperative use of the flow rate control valve, the gas guide pipe, the connecting ring and the fixing ring, the filter bag can be prevented from being damaged due to high gas flow rate and direct blowing of gas, so that the filter bag is effectively protected, a worker can conveniently and quickly replace the filter bag, a plurality of dismounting tools are not needed, manpower and time are saved, and the working efficiency is improved. And the maintenance efficiency is improved.
Owner:TIANJIN KUNTAI METAL FURNACE PROCESSING CO LTD

Optical lens assembly of optical filter disc convenient to disassemble and assemble

The utility model relates to the technical field of optical lenses, in particular to an optical lens assembly of an optical filter convenient to disassemble and assemble, which comprises a lens fixing seat, an annular block fixedly connected to the top of the lens fixing seat, a first arc-shaped groove formed in the side wall of the annular block, and a fixing pressing ring rotationally connected to the top of the annular block. A first arc-shaped groove is formed in the top of the fixing pressing ring, a second arc-shaped groove is formed in the side wall of the fixing pressing ring, the first arc-shaped groove is matched with the second arc-shaped groove, and an optical filter is movably connected to the inner side wall of the lens fixing base. According to the technical scheme, the lifting plate slides downwards along the inner side wall of the mounting groove, in the process, the rotating assembly works, the rotating assembly drives the meshing assembly to work while working, when the optical filter moves to the mounting position, the meshing assembly plays a role in limiting the optical filter, and therefore the quick replacement work of the optical filter is completed.
Owner:SHENZHEN RUNZHIHUI IND CO LTD

3D printer with nozzle convenient to replace

The 3D printer comprises a printing table, a water tank is fixedly connected to the surface of the printing table, a water pumping assembly is arranged at the top of the water tank, a placing frame is fixedly connected to the position, located above the water tank, of the surface of the printing table, and a driving assembly is arranged on one side of the placing frame. A hollow frame is fixedly connected to one side of the driving assembly, a heating plate is installed at the top of the inner wall of the hollow frame, two sets of water spraying pipes fixedly communicate with the top of the inner wall of the hollow frame, and a telescopic assembly is arranged at the top of the hollow frame. Through cooperative use of the water tank, the water pumping assembly, the driving assembly, the heating plate, the water spraying pipe, the telescopic assembly, the scraping plate and other structures, the function of automatically cleaning dust and gluing liquid is achieved, manual cleaning is not needed, the solidified gluing liquid is conveniently cleaned, time and labor are saved, and the working efficiency of the 3D printer is improved.
Owner:嘉兴悦物科技有限公司

Aramid fiber protective fabric shaping equipment

The utility model discloses aramid fiber protective fabric shaping equipment which comprises a working table, a winding and unwinding roller, an auxiliary roller and an electric heating plate, supporting seats are fixedly connected to the two sides of the top end of the working table, driving motors are installed at the top ends in the supporting seats, and rotating rods are installed at the output shaft ends of the driving motors; positioning holes are evenly formed in the top end of the rotating rod at equal intervals, and the rotating rod is sleeved with a winding and unwinding roller. The multiple sets of positioning holes are formed in the outer portion of the rotating rod, and when the winding and unwinding roller is arranged outside the rotating rod in a sleeving mode, the winding and unwinding roller is inserted into the positioning holes in the rotating rod through the positioning rods on the limiting rings; the limiting work of the limiting ring on the winding and unwinding roller on the rotating rod can be completed by pulling the limiting ring, the pull rod can drive the positioning rod to be pulled out of the positioning hole in the rotating rod through the movable block by pulling the pull rod on the limiting ring, at the moment, the limiting ring can be taken down from the rotating rod, and rapid replacement work of the winding and unwinding roller is achieved.
Owner:CHANGZHOU RONGCHI TEXTILE TECH CO LTD

Lifting mechanism for security engineering construction

The utility model discloses a lifting mechanism for security engineering construction, which comprises a base, a lifting device is arranged on the base, the lifting device comprises a lead screw, a sliding chute, a roller, a lifting frame and a top plate, the lead screw is mounted on the base, the lifting frame is mounted on the base, the top plate is mounted at the top end of the lifting frame, the roller is mounted in the sliding chute, one side of the roller is connected with a quick-change device, and the quick-change device is connected with the lifting device. A lubricating device is arranged on the lead screw and comprises an oil injection pipe, a sealing piece, a fixed plate, a movable plate, a first spring, an oil storage bin, an oil outlet hole, an oil outlet, a movable frame, moving wheels, an oil leakage hole and a moving plate, the sealing piece is installed in the oil injection pipe, the first spring is arranged on one side of the movable plate, the oil storage bin is installed on one side of the lifting frame, and the oil outlet hole is formed in the bottom end of the oil storage bin. The oil outlet is formed below the movable frame, the movable frame is installed below the oil storage bin, the moving wheels are installed below the movable frame, the oil leakage holes are formed in the moving plate, and the moving plate is arranged on the inner sides of the moving wheels.
Owner:WUHAN MUYI INTELLIGENT TECHNOLOGY DEVELOPMENT CO LTD

Emergency portable hemodialyzer

The invention relates to the technical field of emergency hemodialysis, in particular to an emergency portable hemodialyzer which comprises a box assembly, a mounting frame is fixed in the box assembly, a dialyzer body is detachably connected to the mounting frame, a fixing frame is fixed to one side of the bottom in the box assembly, two shell parts are fixed to the fixing frame from top to bottom, and the shell parts are detachably connected to the mounting frame. An elastic pipe is detachably connected into the shell part. According to the blood dialysis device, driving can be conducted through the pedal pressing mechanism, the two hands of an operator can be released so as to better cope with the condition of a patient, meanwhile, the rotating piece and the abutting shaft are driven to operate through double-gear reverse transmission, relative flowing of blood and dialysate is achieved, dialysis treatment of the blood is effectively achieved, the parts are convenient to fold and fix, and the operation is convenient. And carrying is convenient.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Proximity switch capable of controlling on or off state of certain distance

The utility model discloses a proximity switch capable of controlling a certain distance to be in an on or off state, which relates to the technical field of proximity switches and comprises a protective shell, a mounting plate is mounted at the bottom end in the protective shell, a proximity switch body is mounted at the upper end of the mounting plate, and limiting grooves are symmetrically formed in two ends in the protective shell. Connecting assemblies are symmetrically installed in the two ends of the protective shell, a baffle is fixedly connected to the bottom end in the protective shell, a magnet is arranged on the side, away from the proximity switch body, of the baffle, a moving assembly is installed at the end, away from the proximity switch body, of the baffle, a protective cover is installed at the upper end of the protective shell, and a fixing block is fixedly connected to the bottom end of the protective cover. And a fixing assembly is mounted in the fixing block. By the adoption of the structure, special requirements of users can be met, the switch-on state is kept in a certain distance section, the switch-off state is kept in other distance ranges, or the switch-off state is kept in a certain distance section, and the switch-on state is kept in other ranges.
Owner:CHUANDONG MAGNETIC ELECTRONICS CO LTD