170results about How to "Quick disassembly and replacement" patented technology

The utility model belongs to the technical field of stirring, disclose a kind of multifunctional handheld stirring device, including mounting plate, the middle part of mounting plate is connected with vertical downward telescopic stirring rod by bearing, the bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, fluid splash shield is equipped on telescopic stirring rod;The top of telescopic stirring rod is equipped with passive gear, and the top of mounting plate is equipped with the fixed branch plate of U shape.The utility model can adjust length by the setting of telescopic stirring rod, can adapt to the material stirring use of different depth;The bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, can carry out quick dismounting and replacement to modular stirring head, satisfy diversified demand;The setting of fluid splash shield can prevent fluid splashing, avoid causing material waste, and brushless motor can provide stable driving force by gear transmission.

This utility model relates to the field of grinding wheel switching technology and discloses a multifunctional grinding machine device for rapid grinding wheel switching. It includes a worktable with a support mounted on it. A ring is mounted on the upper end of the support, a turntable is positioned on the front side of the ring, and a retaining ring is mounted on the rear side of the turntable. Through design, the ring on the support and the retaining ring on the rear side of the turntable are rotated and engaged. When changing grinding wheels of different specifications, the first bolt on the L-shaped support arm is loosened, the turntable is rotated to move the required grinding wheel to the working position, and the turntable is then re-fixed, thus quickly completing the grinding wheel adjustment. During grinding, the motor drives the drive gear to rotate, meshing with the driven gear in the working position, thereby driving the corresponding grinding wheel to rotate. This design allows for the flexible selection of grinding wheels of different specifications as needed, realizing the multifunctional grinding capability of the equipment. Furthermore, the grinding wheels are connected via a sleeve, a rotating shaft, and a second bolt, allowing for quick disassembly and replacement when a single grinding wheel wears out.

The utility model discloses a heat preservation air pipe which comprises a pipe body, a heat preservation mechanism is arranged on the pipe body, the heat preservation mechanism comprises an inserting plate and a fixing base, and a first heat preservation shell is inserted into the inserting plate. The heat preservation shell containing the heat preservation cotton is arranged on the outer wall of the pipe body, the heat preservation effect of the air pipe can be improved, due to the fact that the heat preservation cotton is arranged in the first heat preservation shell, the aging time of heat preservation materials can be shortened, and when the first heat preservation shell needs to be detached, a worker pushes the grip to enable the clamping rod to be separated from the groove in the clamping base, and the heat preservation effect is improved. Then the clamping rod is turned over with the connecting base as the axis, the clamping rod is made to be away from the clamping base, at the moment, the first heat preservation shell is not limited by the clamping rod and can be taken down from the pipe body, the first heat preservation shell can be rapidly detached and replaced, the air pipe can be protected through the first heat preservation shell, and the problem that the pipe body is sunken due to collision can be solved; and the service life of the air pipe is further prolonged.

This utility model discloses a multifunctional fence panel, relating to the field of fencing. The utility model includes a mounting frame, a positioning frame, and a locking assembly. The mounting frame is provided with a connector and is connected to the fence frame via the connector. One side of the mounting frame has a mounting groove, into which the positioning frame is fitted. A functional panel is also provided in the mounting groove, clamped between the mounting frame and the positioning frame. The mounting frame and the positioning frame are detachably locked together via the locking assembly. After the fence panel is installed on the fence via the connector, it not only provides the basic barrier and protection function of the fence panel but also includes a functional panel. This functional panel can be a skateboard, a reading board, a literacy board, or other commonly used children's toys and educational tools, thereby enhancing the functionality of the fence panel and the children's fence, making it convenient for children to play and have fun within the fenced area.

The utility model discloses a motor rotor shaft turning clamp that can be self-adaptive and tightly hold and flexibly position, relates to the field of machining, and is composed of Morse taper, external thread connecting shaft, spring collet, threaded sleeve and adjusting sleeve and other components for connecting with the main shaft of machine tool. The sliding cavity of the front end of the external thread connecting shaft is provided with a sliding sleeve and a telescopic spring, and the sliding sleeve is fixedly connected with the spring collet. The sleeve sleeve of the front end of the threaded sleeve is sleeved outside the spring collet, and the inner wall of the front end is provided with a conical surface that is matched with the conical head of the spring collet. The adjusting sleeve is connected with the threaded sleeve through threads, and can drive the limiting sleeve to push the spring collet to move. During use, rotating the adjusting sleeve makes the spring collet move backward, and the spring collet is tightened under the action of the conical surface, the rotor shaft is self-adaptively and tightly held, and the telescopic spring realizes flexible positioning and compensates for the axial and angular deviation. The clamp can automatically adapt to the rotor shaft with a diameter tolerance within a certain range, has high self-centering precision, is suitable for high-precision turning machining of conventional rotor shafts, and has simple structure and convenient maintenance.

The present application relates to the technical fields of concrete tetrahedron prefabrication, and particularly relates to a hook replacement mechanism and a tetrahedron formwork dismounting device, wherein the hook replacement mechanism comprises a mounting assembly, a jacking piece and a mounting piece, the jacking piece is arranged on one side of the mounting piece, a reset assembly comprises a back pressure piece and a reset piece, the back pressure piece is arranged on one side of the mounting piece, the reset piece is arranged in the mounting piece, the mounting piece comprises a mounting cylinder and an elastic clamping frame which is slidably arranged on one side of the mounting cylinder, the jacking piece comprises a jacking block which is slidably arranged in the mounting cylinder, and one end of the jacking block is in contact with the elastic clamping frame, the mounting assembly and the reset assembly are used in cooperation, the sidewall hook of the tetrahedron prefabricated formwork can be quickly dismounted, replaced and fixed and installed, and no special dismounting and installing tool is needed during the dismounting and installing process, and the dismounting is convenient.

The utility model relates to quick change power battery technical field, concretely is a kind of quick change power battery and quick change locking module, including power battery ontology and fixed block.This kind of quick change power battery and quick change locking module, when unlocking operation, in-vehicle control device first controls servo motor reverse rotation, drives clamping column and card block rotation and separates from card slot, makes card block and rectangular section of through-hole alignment.After electric push rod contracts, clamping column is pulled by push rod, card block moves up along rectangular through-hole, until card block completely separates from installation mouth, the locking constraint of power battery ontology is released, can realize quick disassembly replacement.In the whole process, the action precision of servo motor and electric push rod is accurately controlled by in-vehicle control device, ensures the efficient stability of locking and unlocking, compared with traditional bolt disassembly, the disassembly efficiency of the device is higher.

The utility model discloses a bar surface smoothness polishing mould frame, which relates to the technical field of bar processing, and comprises a fixed base, the rear side of the upper end of the fixed base is fixedly connected with an inner side fixed frame, the upper ends of the two sides of the inner side fixed frame are fixedly connected with turnover frames, a turnover driving shaft is rotatably arranged between the turnover frames on the two sides, and the turnover driving shaft is fixedly connected with the inner side fixed frame. An indexing driver is fixedly installed on the outer side of the overturning frame on one side, an output shaft of the indexing driver penetrates through the overturning frames and then is fixedly connected with an overturning driving shaft, and bars are continuously fed into the bar clamping notches in the upper side through conveying equipment and then overturned. After being ground, the workpiece directly falls into the roll-out roller set on the lower side to be conveyed to corresponding conveying equipment to be conveyed out, continuous polishing machining can be carried out, the structure is simple, design is reasonable, operation is convenient and fast, the problem that lathe resources are occupied for a long time in a traditional polishing method can be effectively solved, normal use of other equipment is not affected, and the production efficiency is greatly improved.

The utility model discloses a kind of embossing device for non-woven fabric processing, including workbench and embossing frame, embossing frame is equipped with embossing roller and conveying roller, non-woven fabric passes between embossing roller and conveying roller, embossing roller rotates and embosses non-woven fabric, rotating frame and conveying roller are equipped in embossing frame, two embossing rollers are equipped in rotating frame, the circumferential side of two embossing rollers is equipped with embossing pattern, the surface of embossing frame is fixedly installed with second motor, the output end of second motor is fixedly connected with rotating frame by shaft, rotating frame rotates, two embossing roller positions are exchanged, and the embossing of different patterns of non-woven fabric is used.The utility model solves when needing to carry out the embossing treatment of different shape to non-woven fabric, needing manual disassembly embossing roller, then replacing embossing style, then can continue to continue embossing treatment to non-woven fabric, in this process, machine needs to be stopped and handled, because the time of replacement is longer, leading to the problem of the embossing efficiency reduction of non-woven fabric.

The utility model discloses a kind of live pig slaughtering process carcass bacterium-reducing equipment, it is related to slaughtering bacterium-reducing technical field, including first baffle, second baffle, water pump, water supply line and motor, the first baffle inside is provided with cleaning mechanism, the cleaning mechanism includes water pump, cleaning roller, motor, water supply line and high pressure spray head, the high pressure spray head is set below water supply line, the water supply line is set above water pump, the motor is installed above cleaning roller, cleaning mechanism is through the double action of high pressure spray head water spraying and cleaning roller mechanical friction, realize the stereoscopic removal of carcass surface stain and bacteria.

The utility model belongs to filling machine technical field, and disclose a kind of rotary filling machine cleaning mechanism, including base, the top of base is fixedly connected with rectangular plate, the inner surface movable joint of rectangular plate top is limited to board, the top of limit board is fixedly connected with protective housing, the inside fixed mounting of protective housing has lift motor, the other end fixed sleeve of lift motor output shaft has lead screw. The utility model is through setting movable rod, pull rod, rectangular block, connecting rod and L type board, pull rod is pulled to left movement, will drive movable rod and rectangular block left movement and extrude spring, further make two connecting rods rotate and drive two L type board relative movement to remove the fixed effect of cleaning plate, cleaning plate separates from adjusting plate under the action of gravity and moves downward at this time, realize the purpose of cleaning plate quick disassembly replacement, improve the efficiency of replacement cleaning plate.

The utility model provides an adjustable glasses nose pad, which relates to the technical field of glasses, and is characterized in that the adjustable glasses nose pad comprises a nose pad fixing frame, a rotating piece and a nose pad body, the rotating piece is rotatably arranged on the nose pad fixing frame, the nose pad body is fixedly arranged on the rotating piece, and the nose pad body is fixedly arranged on the rotating piece. And clamping groove and clamping block structures which are clamped with each other are arranged on the nose pad fixing frame and the rotating piece. Through the multi-gear clamping groove and clamping block structure between the rotating piece and the nose pad fixing frame, stepped adjustment of the angle of the nose pad is achieved. The clamping blocks can be embedded into the clamping grooves in different positions, so that the silica gel nose pad body forms multi-angle support, the individual requirements of different nose bridge heights and widths are met, and the wearing adaptability is remarkably improved.

The utility model relates to the technical field of transfer manipulators, and discloses a four-axis interchange transfer manipulator which comprises a four-axis moving machine and a moving table, one side of the moving table is fixedly connected with a supporting frame, the interior of the supporting frame is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded column, and the threaded column is fixedly connected with a threaded rod. The outer wall of the threaded column is in threaded connection with a sleeve, the outer wall of the sleeve is fixedly connected with a connecting frame, the top of the fixing frame is fixedly connected with a supporting column, the top end of the supporting column is rotationally connected with a rotating rod, and two connecting rods are rotationally connected into the connecting frame. According to the mechanical arm, the motor is started to drive the threaded column to rotate, the sleeve moves in the axial direction through threaded connection of the threaded column and the sleeve, then the connecting frame, the connecting rod, the clamping arms and the clamping plates are driven to move, the structures work cooperatively, and the effect that objects of various sizes can be clamped and transferred is achieved; and therefore, the applicability of the four-axis interchange transferring manipulator is improved.

This utility model discloses a rear blind spot warning light projection device for commercial vehicles, relating to the field of warning light technology. It includes a light projection head, with a connecting base installed at one end and a controller installed on one side of the connecting base. A light emission port is embedded in the outer wall of the light projection head, and a fixing block is fixedly connected to the outer wall of the other end of the light projection head. A millimeter-wave radar is embedded in the outer wall of the fixing block. This utility model uses the light emission port on the outer wall of the light projection head to project warning light signals onto the ground to form a regular and clear warning pattern, directly prompting surrounding traffic participants to avoid the area. In conjunction with a motor driving a drive gear to rotate, and through meshing with a driven gear, the mounting block and the light projection head connected to it achieve angle adjustment. This allows the utility model to dynamically adjust the projection angle according to the vehicle's reversing direction or vehicle length, ensuring that the warning area always covers the actual blind spot and improving the warning effect.

The utility model relates to the technical field of protective baffle, and disclose a protective baffle for laser cutting machine, the position fixed of existing protective baffle for laser cutting machine is solved, influence cutting operation, and inconveniently change, its use effect is not good The problem, it includes the installation frame, the inside of installation frame is inserted and is equipped with the baffle body, and the bottom of installation frame is equipped with the movable door, and one end of movable door is hinged with the bottom of installation frame through the hinge, and the other end of movable door is fixedly connected with the bottom of installation frame through the lock catch, and the upper end of installation frame both sides is fixedly installed with the push and shove strip, and the upper portion of installation frame both sides is opened two limit holes respectively, and the lower portion of installation frame both sides is equipped with the moving strip, and the lower end of baffle body both sides is opened the rectangular groove, the protective baffle of this laser cutting machine can be according to the demand and is put away, avoids its blocking cutting operation, and convenient to change, has very good use effect.

The application provides an orthopedic surgery puncture device convenient to use, and relates to the technical field of medical devices, which comprises a needle core sleeve body, a push ring is sleeved on the needle core sleeve body, pressing plates are arranged on the left and right sides of the bottom of the needle core sleeve body, the two pressing plates are symmetrically distributed, and a push rod is arranged between the pressing plates and the push ring. In the application, the push ring and the pressing plates are arranged, so that the needle core sleeve body does not need to be held by hand, the hands can be held to stably hold the frame body to perform puncture on the needle core body, the butt joint structure arranged on the needle core body and the rotating pipe can make the positioning of the assembly process of the needle core body more accurate, the needle core body can be quickly disassembled and replaced, the problem that the medical staff needs to hold the needle core sleeve with one hand and hold the puncture needle core to perform puncture with the other hand during the surgery process is solved, the use is more convenient, the needle core sleeve is less likely to deviate, the stability of the surgery is affected, and the connection structure of the puncture needle core and the hand holding part is not easy to disassemble, so that the assembly and use efficiency is low.

The utility model discloses a rapid smoke sealing device for fire fighting. The rapid smoke sealing device comprises a device frame and a baffle, the device frame is pre-arranged in a wall body, and a through groove of the device frame corresponds to a door or a window in position; the interior of the device frame is hollow to form a containing groove, and the blocking plate is arranged in the containing groove. Mounting cavities are formed in the upper portion and the lower portion of the containing groove and the through groove correspondingly, and transmission structures are arranged in the mounting cavities. The blocking plate is arranged at the transmission end of the transmission structure, the blocking plate is driven by the transmission structure to move, and then closing and opening of the through groove are achieved. The frame of the device is embedded into a wall body in advance and is flush with the surface of a building at ordinary times, when a fire occurs, environmental data are monitored in real time through the temperature sensor and the smoke sensor, closing and alarming of the barrier plate are controlled through the control main board, and the gold disposal time at the initial stage of the fire is effectively shortened.

The utility model relates to the field of MPP pipes, and discloses an MPP pipe with a buffer mechanism, which comprises a three-way pipe body, a fixing plate is fixedly connected inside the three-way pipe body, the upper end of the fixing plate is detachably connected with a bottom plate, the bottom of the bottom plate is provided with a mounting unit, the upper surface of the bottom plate is fixedly connected with an elastic piece, and the elastic piece is fixedly connected with the buffer mechanism. A buffer plate is fixedly connected to the top end of the elastic piece, a buffer pad is fixedly connected to the upper surface of the buffer plate, a protection unit is arranged on the outer side of the buffer plate, a fixing ring is fixedly connected to the upper end of the interior of the three-way pipe body, and a threaded groove is formed in the surface of the inner wall of the fixing ring. According to the three-way pipe, through cooperation of the bottom plate, the installation unit, the elastic piece, the buffer plate, the buffer pad and the protection unit, water flow flowing downwards through the upper end of the three-way pipe body can be guided and buffered, and the water flow can be directly divided towards the left side and the right side.

The utility model belongs to the technical field of recovery heat exchanger, concretely relates to a flue gas waste heat recovery heat exchanger with leak detection structure, a flue gas waste heat recovery heat exchanger with leak detection structure, including recovery heat exchanger body, recovery heat exchanger body inside is provided with heat pipe, the heat pipe includes the water inlet and water outlet of extending recovery heat exchanger body inside organism, recovery heat exchanger body still includes the flue inlet pipe and the flue outlet pipe, the flue inlet pipe entrance is equipped with the filter component for intercepting the smoke dust, the recovery heat exchanger body outer wall is equipped with detachable monitoring assembly, the monitoring assembly includes the barometric pressure sensor for real -time monitoring recovery heat exchanger body inside barometric pressure change, through the barometric pressure sensor real -time monitoring inside barometric pressure change in monitoring assembly, the detachable structure design of combination screw pipe, monitoring assembly can be quickly disassembled replacement.

The utility model relates to the related technical field of bag scraping machines, and one embodiment of the utility model provides a jam bag scraping machine which comprises a frame body and a processing platform, the processing platform is fixed to the side surface of the frame body, a stretching conveying assembly is arranged on the frame body and the processing platform, a scraping plate is fixed to the side surface of the frame body, and an opening correcting assembly is arranged on the processing platform. The stretching conveying assembly comprises a transverse frame, the transverse frame is fixed to the surface of the treatment platform, a transmission cavity is formed in the transverse frame, an inner rod is arranged in the transmission cavity, and the two ends of the inner rod are slidably connected with correction blocks in a sleeving mode. By means of the technical scheme, the technical problems that in the prior art, the distance between bag scraping blades, a pressure adjusting device and other key components of existing equipment cannot be flexibly adjusted, bag scraping is not thorough, and the jam residual amount is too high are solved.

This utility model discloses an adjustable installation ring main unit, including a base, with an adjustment frame slidably connected to the upper end of the base, and a lifting frame slidably connected to the upper end of the adjustment frame. Ring main units are located on both the left and right sides of the upper end of the base. The adjustment mechanism also includes a connecting frame, a worm gear, a worm, a connecting component, an adjustment component, and a moving component. Mounting slots are provided on the upper ends of both sides of the lifting frame, and the connecting frame is rotatably connected to the interior of the mounting slot via a rotating shaft. This adjustable installation ring main unit features a prefabricated mounting frame that allows for quick disassembly and storage. The size of the mounting frame can be quickly adjusted according to the length, width, and height of the ring main unit, adapting to different ring main units while facilitating transportation and avoiding on-site fabrication of the mounting frame. Furthermore, the ring main unit can be quickly moved in and out of the mounting frame via two sets of sliding plates, facilitating subsequent disassembly, assembly, and maintenance of the ring main unit.

The utility model provides a splicing type fuse, which relates to the technical field of fuses, and comprises a fuse main body, splicing assemblies are arranged on two sides of the fuse main body, each splicing assembly comprises a splicing convex plate arranged at the right end of the fuse main body, a splicing groove is arranged at the left end of the fuse main body, and the splicing convex plates are arranged in the splicing grooves. Fixing lock catches are arranged in the splicing convex plates, and butt joint grooves are formed in the surfaces of the splicing grooves; splicing clamping plates are arranged on the two sides of the splicing protruding plate, and splicing clamping grooves are formed in the two sides of the splicing groove. Through the arrangement of the splicing assemblies, the arrangement of the splicing convex plates and the splicing grooves, the splicing of the fuse bodies can be facilitated, through the arrangement of the splicing clamping plates and the splicing clamping grooves, the splicing stability can be further improved, the loosening phenomenon after splicing is avoided, and through the arrangement of the fixing lock catches and the butt joint grooves, the splicing stability of the fuse bodies can be further improved. And the spliced fuse main body can be conveniently limited and fixed, and the firmness after splicing is improved.

The utility model discloses a plate polishing device relates to plate polishing technical field, the utility model discloses a work table still includes: adjusting portion, adjusting portion sets up at the top of work table, configuration portion, configuration portion sets up on work table, adjusting portion includes adjusting assembly, adjusting assembly installs at the top of work table, and lifting assembly, lifting assembly installs at the top of work table. The utility model discloses setting adjusting portion, solved because just with plate random placement on polishing belt, simply rely on the movement of polishing belt to drive the plate forward and complete polishing simultaneously, this operation mode lacks the effective positioning and firm fixation of plate, make plate in the polishing process, when receiving slight external force interference or slight change of self -stress, easy to have position deviation, thereby lead to the overall polishing precision to drop, finally cause the problem of adverse effect to finished product quality.

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.

The utility model is suitable for billet continuous casting processing technical field provides an improved continuous casting deburring machine, include: U type frame, open strip opening on U type frame, fixed mounting hydraulic cylinder on U type frame inner wall, fixed mounting rectangular plate on hydraulic cylinder output rod, fixed mounting riser on rectangular plate, rotary mounting wheel shaft on riser one side, fixed cover setting guide pulley on wheel shaft, fixed mounting drive motor on riser one side and with wheel shaft is connected, install the connecting mechanism and deburring mechanism in U type frame one side, the burr mechanism is used for scraping the burr on the surface of billet. The improved continuous casting deburring machine provided by the scheme can not only scrape the burr on the billet, but also adjust the position of the deburring tool, and can quickly disassemble and replace the deburring tool, suitable for billets of different thicknesses.

The application discloses a device for eliminating the burr defects of hot-rolled stainless steel edges, which comprises a mounting plate, an adjusting mechanism, an edge cutting mechanism, a flat polishing mechanism and a side polishing mechanism, wherein the adjusting mechanism, the edge cutting mechanism, the flat polishing mechanism and the side polishing mechanism are arranged on the mounting plate, the edge cutting mechanism is arranged at one end of the mounting plate, the side polishing mechanism is arranged at the other end of the mounting plate, and the flat polishing mechanism is arranged between the edge cutting mechanism and the side polishing mechanism; the adjusting mechanism is movably connected with the mounting plate to adjust the spacing; and the mounting plate is arranged on a mounting frame. The edge cutting mechanism can cut the edges of the stainless steel plate, then the flat polishing mechanism and the side polishing mechanism can polish the cut edges of the stainless steel plate and remove the burrs. Furthermore, the edge cutting mechanism is additionally provided with a cleaning mechanism and a grinding mechanism, the cleaning mechanism can effectively clean the adhered sundries on the cutter to keep the cutter clean, the grinding mechanism can grind the cutter in real time to ensure the sharpness of the cutter, so that the cutter can cut quickly and the burrs can be reduced.

The utility model discloses grass cutting and kneading equipment for livestock breeding, and relates to the technical field of livestock trough processing. Comprising a mounting bracket, the mounting bracket is provided with a processing mechanism for animal husbandry edible weeds, and the processing mechanism is characterized in that a hay cutter is inserted into a clamping groove in the outer side of a first mounting block through a clamping block, then a second bolt is rotated to mount and dismount the hay cutter, and when the hay cutter is abraded or damaged, the hay cutter can be mounted and dismounted. The second mounting block is arranged on one side of the first mounting block, a plurality of groups of hay cutting knives can be mounted, the distance between hay cutting grooves can be controlled, a plurality of groups of hay cutting knives can be mounted, and the distance between the hay cutting knives can be accurately controlled by adjusting the clamping positions of the hay cutting knives on the clamping grooves; the distance is increased when thick and hard forage is processed, the distance is reduced when thin and soft forage is processed, it is ensured that the best forage cutting effect is achieved, and the adaptability of the equipment to different kinds of forage is improved.

The utility model belongs to the technical field of electric framework structures, and relates to a fast-assembly type electric framework structure which comprises main frame rods, a connecting pipe, a connecting frame and an arc-shaped plate, the two ends of the connecting pipe are connected with the main frame rods in a welded mode, the connecting frame is arranged between the two main frame rods, the arc-shaped plate is arranged on the connecting frame, and first positioning rods are arranged on the main frame rods. The fast-assembly type electric framework is a seat framework, fast assembly is carried out through the connecting pipe and the clamping groove in the installation process, the overall structure is stable, the first positioning rod and the second positioning rod are both threaded rods and are locked and installed through nuts, and therefore the electric framework can be installed conveniently and rapidly. Therefore, the arc-shaped plates with different radians can be quickly detached and replaced, and seat frameworks with different requirements can be conveniently formed.

This invention provides a plasma welding device and method for axial flow fan casings. It relates to the technical field of axial flow fan production equipment. The plasma welding device for axial flow fan casings includes a base and a plasma welding assembly. The top of the base is fixedly mounted with horizontally linearly distributed support side plates and a gantry frame. A first steering shaft is rotatably mounted on the support side plates. The first steering shaft has two sets of symmetrical casing fitting mechanisms (one above the other) for fixing the casing to be welded. A steering mechanism is provided on the support side plates, and the steering mechanism is fixedly connected to the first steering shaft. The plasma welding assembly includes an U-shaped bracket, and an L-shaped bracket is fixedly mounted at the bottom of the U-shaped bracket. This invention has the advantages of high automation, high welding efficiency and quality, and strong versatility.

The utility model discloses a concrete processing miscellaneous material removing device which comprises a supporting assembly, a miscellaneous material removing assembly and a limiting assembly. The supporting assembly comprises supporting legs and a supporting plate fixed to the upper ends of the supporting legs; the impurity removing assembly comprises a plurality of buffer springs arranged at the upper end of the supporting plate, a screen frame arranged at the upper ends of the buffer springs, a vibration motor arranged in the middle of the outer side of the screen frame and a screen arranged on the lower side in the screen frame, dampers are arranged in the buffer springs, through open grooves are formed in the opposite inner walls of the screen frame, and the screen is arranged in the open grooves; a plurality of clamping grooves are formed in the outer wall of the screen frame and located on the upper side of the open groove, and side plates are fixed to the opposite outer walls of the screen cloth. According to the concrete processing sundry removing device, the screen is installed in the screen frame through the elastic pieces, the clamping blocks, the clamping grooves and the pull rods under the action of the side plates, an operator can release installation limiting of the screen by pulling the pull rods, and therefore the damaged screen can be rapidly disassembled, assembled and replaced in the later period.