30 results about "Broken tooth" patented technology

The utility model relates to the technical field of lamp strip connector, specifically point to a kind of lamp strip quick connector, including body and elastic spring piece, the first end of body is equipped with puncture piece, and the upper edge of puncture piece is equipped with several broken teeth;The lower end of elastic spring piece is connected with the second end of body, so that elastic spring piece is set to warp upwards relative to body;The utility model structure is reasonable, and the puncture piece of body one end can be fixed by broken teeth with the occlusion of lamp strip and form electric connection, the elastic spring piece of body other end forms quick terminal, the quick connection of convenience wire, overall structure is compact, processing is convenient, and use is flexible.

The utility model discloses an activation furnace for porous carbon production, which comprises a bottom plate and a furnace body, the upper end of the bottom plate is fixedly connected with two groups of fixing frames, the furnace body is rotatably connected in the two groups of fixing frames, the two ends of the furnace body are fixedly connected with annular toothed plates, a piston is slidably connected in a device cylinder, and the piston is connected with a piston rod. A driving assembly for driving the piston to slide is installed in the device cylinder, and one-way valves are installed in the two connecting pipes. Lubricating agents are pushed by the piston to be automatically conveyed to the spraying plate from the external container through the connecting pipe and then evenly sprayed to the meshing area between the gear and the annular toothed plate, it is guaranteed that the contact portion of the gear and the toothed plate is always kept lubricated in the high-temperature and dust environment, abrasion caused by increasing of friction force is reduced, and the service life of the gear is prolonged. Therefore, friction force between the annular toothed plate and the gear is relieved, mechanical abrasion is reduced, and the risks of clamping stagnation and tooth breakage are reduced.

The utility model discloses an anti-clogging cooling water intaking pipe which comprises a main pipe body, inner ring frames and an inner shaft, the three inner ring frames are arranged at equal intervals, supporting wall frames are integrally formed among the three inner ring frames, the supporting wall frames are circumferentially and uniformly distributed, fixed crushing teeth are fixedly installed on the inner walls of the supporting wall frames, bearing sleeves are integrally formed at the ring centers of the inner ring frames, and the inner shaft is arranged in the bearing sleeves. An inner shaft is rotatably mounted in the bearing sleeve, movable crushing teeth are fixedly mounted on the outer wall of the inner shaft, and the fixed crushing teeth and the movable crushing teeth are vertically arranged at intervals; the inner shaft is driven by the motor in the using process of the device, then relative movement is generated between the fixed crushing teeth and the movable crushing teeth, sediment in the flowing period is finely crushed, the size of the sediment becomes small, effective carrying in the flowing process of cooling water is achieved, and the cooling effect of the cooling water is improved. And blocky accumulation of sediments is avoided, so that the sediments can be effectively treated in the subsequent process, and the water inlet end of the main pipe body is prevented from being blocked.

The pediatric medicine grinding device comprises a dustproof shell, an opening is formed in the upper surface of the dustproof shell, a maintenance upper cover is installed at the upper end of the dustproof shell, a feeding pipe is arranged on the upper surface of the maintenance upper cover, and a feeding opening cover is arranged on the surface of the feeding pipe of the maintenance upper cover. And a discharging pipeline is arranged at the lower end of the dustproof shell. The pediatric medicine grinding device with the layered crushing function is provided with a re-grinding crushing block and a supporting baffle, when the pediatric medicine grinding device works, firstly, two crushing gears oppositely rotate to conveniently extrude and crush medicines, then the medicines fall on the surface of the supporting baffle, and a transmission cylinder rotates to drive the re-grinding crushing block to circumferentially swing; and a re-grinding crushing block is matched with auxiliary crushing teeth on the surface of a supporting baffle to further grind and crush the medicine, so that the medicine crushing uniformity is improved, the medicine crushing efficiency is improved, and finally, the medicine falls down from filtering holes of the supporting baffle to be used.

The utility model discloses a batching device for producing a concrete water reducing agent. The batching device comprises a stirring box, a feeding pipe is arranged at the top end of the stirring box, a discharging pipe is arranged at the bottom end of the stirring box, the top end of the stirring box is connected with a driving motor, and the output end of the driving motor is connected with a driving shaft; the bottom cylinder drives the second bottom plate to rotate, and the driving shaft drives the first bottom plate to rotate, so that the rotating direction of the first bottom plate is opposite to that of the second bottom plate, the first bottom plate and the second bottom plate can rotate in a staggered manner, first crushing teeth penetrate through second tooth grooves in the rotating process, and second crushing teeth penetrate through first tooth grooves; the first bottom plate drives the second bottom plate to rotate, so that raw material cakes between the first bottom plate and the second bottom plate can be crushed and cut open, the mixing efficiency of raw materials is improved, and meanwhile, the second bottom plate drives the inclined plate to rotate, so that the raw material cakes in contact with the inner bottom end of the stirring box can be shoveled up, and the raw material cakes can be better stirred.

The invention belongs to the technical field of battery recycling, and particularly relates to a solid waste multi-stage grinding device for waste battery recycling, which comprises a treatment box, and a grinding assembly is arranged in an inner cavity of the treatment box; the rolling assembly comprises a rolling box fixedly connected to one side of the inner wall of the treatment box, two guide rods are slidably connected to one side of the rolling box, a pressing plate is fixedly connected to one end of each guide rod, and a supporting plate is inserted and slidably connected to one side of the bottom of the rolling box; and a grinding and screening integrated assembly is further arranged in the inner cavity of the treatment box. The grinding assembly and the grinding and screening integrated assembly are utilized, waste materials are sequentially ground, ground, screened and collected, multi-stage grinding of the waste materials is achieved, in the grinding process, the waste materials attached to the surfaces of the first crushing teeth and the second crushing teeth are removed in a staged mode, the shearing force of the first crushing teeth and the second crushing teeth is maintained, and the grinding efficiency of the waste materials is improved. And the grinding effect can be improved.

The utility model relates to waste recovery technical field discloses a kind of aluminium block calendering forming waste recovery equipment, including shell, the top surface right part rear side of shell is fixedly connected with motor, the output end of motor is fixedly connected with rotating shaft, the outer wall right side of rotating shaft is fixedly connected with runner one, the outer wall rotationally connected with belt of runner one, the other side rotationally connected with runner two of belt, the middle part of runner two is fixedly connected with rotating rod one, the outer wall middle part of rotating rod one is fixedly connected with gear one, the outer wall left side of rotating rod one is fixedly connected with broken tooth one, the front side of gear one is engagedly connected with gear two.In the utility model, rotating shaft is rotated by motor output power, rotating shaft rotates transmission gear to rotate, gear rotates and drives broken tooth to rotate, to realize the crushing recovery to waste, improve work efficiency.

The utility model discloses a chute attached matter broken cleaning device, including the mobile ground rail who sets up along the chute length direction extension, the movable seat of movable setting on mobile ground rail, the mechanical arm of setting on movable seat, the cleaning shovel of setting at the front end of mechanical arm and removing the chute attached matter and the moving mechanism cleaning shovel of connection and drive movable seat removal, the shovel of including operating lever and setting at operating lever front end is shovelled, and the shovel includes the connecting plate of operating lever lower extreme connection, the shovel board of connecting plate connection downward extension setting and the broken tooth of setting at the shovel board lower extreme, and the cleaning cavity for shoveling attached matter is formed between connecting plate and shovel board, and the mechanical arm removes the cleaning shovel and removes along the chute extension direction, so that broken attached matter enters the cleaning cavity and removes the chute outside with the cleaning shovel, the utility model discloses the structure of cleaning shovel is limited, and the broken tooth is set at the shovel lower extreme, realizes the chute attached matter's automation broken, automation slag cleaning, effectively saves the manual work, and improves the removal efficiency.

The utility model relates to a kind of recycled concrete waste recovery device, belong to concrete production technical field.The utility model passes through the thread cooperation structure of lead screw and support rod, just need to rotate inner hexagon nut to drive support rod to move along installation disc radial direction, to adjust the spacing of broken tooth between two rollers synchronously, break the limitation of traditional fixed broken tooth, without replacing broken roller, it can quickly adapt to different particle size requirements such as large particle road base aggregate or small particle recycled block aggregate, significantly improve the versatility of equipment, through the rectangular recess engagement of positioning disc and support rod to form torsional constraint, cooperate detachable broken tooth installation mode, can replace worn broken tooth specifically, avoid the material waste caused by traditional overall broken roller replacement, reduce maintenance cost.

The application discloses an alarm system for an electric variable-frequency gear and rack type lifting system and belongs to the technical field of gear and rack elevators. When the rack is detected, the telescopic contact rod is inserted into the tooth gap of the rack, then the end of the pressing rod close to the driving piston can be continuously lifted and lowered through the movable rod, and the gas collecting pipe can be inflated in the lifting and lowering process. Under the action of the passive piston, the annular disc is driven to move upwards. If the rack does not have the broken tooth condition, the lifting height of the multiple annular discs is the same, and the horizontal disc is kept in the horizontal state. At this time, the light emitted by the laser emitter is blocked by the blocking ball, and the laser receiver cannot receive the light, which indicates that the multiple racks do not have the broken tooth condition. If one of the racks has the broken tooth, the light emitted by the laser emitter is not blocked by the blocking ball and is received by the laser receiver, which indicates that the rack has the broken tooth and needs to be repaired.

The utility model relates to the technical field of coal mining, and discloses a coal mining machine cutting pick with high comprehensive strength, which comprises a pick handle, the upper end of the pick handle is fixedly connected with a fluted disc, the center of the upper end face of the fluted disc is fixedly connected with a pick head, and the center of the upper end of the pick head is provided with a pick top. A plurality of cladding layers are arranged on the side wall of the tooth head located at the lower end of the tooth tip in a circumferential array mode, and a plurality of inclined grooves are formed in the side wall of the tooth head located at the lower end of the cladding layers in a circumferential array mode. The tooth head comprises a wear-resistant layer, a reinforcing layer and a body layer, the reinforcing layer is arranged on the outer side of the body layer, and the wear-resistant layer is arranged on the outer side of the reinforcing layer. According to the wear-resistant tooth, the wear-resistant layer and the reinforcing layer are matched for use, the wear resistance and the overall strength can be improved, meanwhile, the cladding layer is metallurgically bonded on the side wall of the upper end of the tooth head through the cladding technology, the strength and the wear resistance of the tooth head and the tooth tip can be further enhanced, and the risks of tooth breakage and excessive wear are avoided.

The utility model relates to the technical field of material processing, and discloses a side comb plate assembly of a crusher, which comprises an equipment shell, crushing teeth are rotatably connected in the equipment shell, one side of the equipment shell is fixedly connected with a driving device, one side of the driving device is fixedly connected with the crushing teeth, and the other side of the driving device is fixedly connected with the crushing teeth. Adjusting grooves are formed in the two sides of the equipment shell correspondingly, adjusting rods are slidably connected to the interiors of the adjusting grooves, and a connecting plate is fixedly connected to one side of each adjusting rod. According to the side comb plate assembly of the crusher, the distance between the crushing teeth and the side comb plate body can be changed by adjusting the position of the side comb plate body, the arrangement can adapt to the physical characteristics and crushing requirements of different materials, the universality and flexibility of equipment are improved, adjustment can be conducted according to different crushing requirements, and it is ensured that the crushing effect is optimal; in addition, through accurate control, the crushing size of the materials can be effectively managed.

The utility model discloses a multifunctional medicament adding equipment for waste water treatment, which comprises a machine body, one side in the machine body is provided with a bearing cavity, the bottom end in the bearing cavity is provided with a stirring mechanism, the stirring mechanism comprises a driving motor, a connecting shaft and a stirring frame, and the stirring frame is provided with a crushing mechanism. The crushing mechanism comprises an elastic shaft installed on the stirring frame, and a crushing plate is fixed to the movable end of the elastic shaft. Through the arrangement of the crushing mechanism, when a stirring frame stirs a medicament, a crushing plate in the crushing mechanism can rotate by a certain angle along an elastic shaft under the resistance of the medicament, and the crushing plate rotating by the angle can enable a certain gap to exist between crushing teeth and a crushing groove; and in the stirring process, caked powdery medicine can be rapidly crushed when passing through the space between the crushing teeth and the crushing grooves, so that the crushing effect is improved, and the quality of the medicine is guaranteed.

The utility model discloses a temperature monitoring device for a cutting head of a heading machine, which comprises an infrared camera and a high-definition camera, the infrared camera and the high-definition camera are arranged on a telescopic part through a hidden camera bracket, and the infrared camera and the high-definition camera are respectively used for detecting the cutting tooth temperature and the tooth breakage condition of the cutting head. And the telescopic part is rotationally connected outside the connecting shaft of the cutting head. An infrared temperature camera is adopted for monitoring the cutting head, cutting teeth with the too high temperature are monitored, the camera is adopted for secondary calibration, whether the cutting teeth of the cutting head are damaged or not is checked, then an effective improvement method is provided, the cutting head is prevented from being excessively damaged during continuous construction, and the mining efficiency is guaranteed.

The utility model provides a road bridge construction roadbed crushing device, which comprises a bottom plate, a motor, a feeding mechanism and a crushing mechanism, an inclined plate is integrally formed on the surface of the bottom plate, the feeding mechanism is placed on the surface of the inclined plate, the tail end of the inclined plate is provided with a discharge port, the end part of the bottom plate is welded with a rear baffle plate, and the rear baffle plate is welded with the motor. According to the stone crusher disclosed by the utility model, the crushing process is completed by virtue of the contact between the independent extrusion plate at the bottom and stones, and only the independent extrusion plate and the corresponding crushing convex tooth part are replaced subsequently; the replacement cost of accessories is reduced, the replacement process is simple and convenient, the independent extrusion plates at different positions can gradually move, so that the abrasion area is more uniform, the feeding, crushing and discharging processes are simultaneously realized only through single power equipment, and it is ensured that materials can be quickly rolled and discharged.

The utility model provides a novel easily-screwed bottle cap and a container comprising the same, and belongs to the technical field of bottle caps. The bottle cap comprises a first-stage bottle cap assembly and a second-stage bottle cap assembly, the first-stage bottle cap assembly comprises a first-stage bottle cap, an anti-theft ring and a folding device. The second-stage bottle cap assembly comprises a second-stage torque-variable bottle cap and a stud with broken-tooth type threads. The double-screw bolt is driven to rotate in the first threaded hole and the second threaded hole by rotating the two-stage torque variable bottle cap, the anti-theft ring is driven to move in the extending direction of the double-screw bolt, the anti-theft ring is clamped into a bottle opening, the anti-theft ring is separated from the two-stage bottle cap assembly and cannot return to the original position by twisting off broken-tooth type threads, and irreversible disassembly of the anti-theft ring is ensured. According to the anti-theft bottle cap, the first-stage bottle cap assembly and the second-stage bottle cap assembly are linked, the bottle cap can be easily unscrewed, it is guaranteed that the anti-theft ring cannot be detached and recovered, and counterfeit products are greatly avoided.

The utility model discloses a kind of feed granulator, it relates to feed processing field, including stirring and crushing mechanism and its lower part base, conveying extrusion mechanism is installed in the lower part of the stirring and crushing mechanism, the lower part of the base is equipped with discharging mechanism, servo motor that driving conveying extrusion mechanism and stirring and crushing mechanism are jointly operated is installed in the base, two broken tooth rollers are driven high-speed reverse rotation by servo motor, to break and stir the material in stirring cylinder, servo motor can also drive rotary disc to drive the material in stirring cylinder to do circular motion in this process, in this way, the material in stirring cylinder can be continuously changed contact angle in sustained rotation process, to form multidirectional collision and shear with two high-speed rotating broken tooth rollers sufficiently, substantially improve the crushing uniformity and crushing efficiency of material.

The utility model discloses a grinding device with the crushing function, and relates to the technical field of micro-crushing processing, the grinding device comprises a grinding box and a box body fixedly connected to the grinding box, the side face of the box body is provided with two servo motors, the box body is internally provided with a feeding port, the feeding port is internally provided with a first grinding assembly, and the feeding port is internally provided with a second grinding assembly. The first grinding assembly comprises a first connecting shaft and a second connecting shaft which are fixedly connected to the driving ends of the two servo motors correspondingly, first grinding rollers are rotationally inserted into the other ends of the first connecting shaft and the second connecting shaft correspondingly, and the first grinding rollers are fixedly connected to the inner side wall of the grinding box; one of the first grinding rollers is fixedly connected with a first crushing roller, and the first crushing roller is fixedly sleeved with a plurality of crushing teeth; according to the utility model, the two steps of crushing and grinding are partially combined, so that the transfer time of materials among different devices can be shortened, the whole treatment process is shortened, and the production efficiency is improved.

The utility model relates to a kind of transmission device.A kind of reverse planetary roller screw structure, including screw rod and nut, roller is equipped between screw rod and nut, the roller thread section is equipped on the roller, spiral tooth structure is equipped on one side of roller thread section, the screw rod thread section is equipped on the screw rod, outer gear structure is equipped on one side of screw rod thread section;Helix structure on spiral tooth structure is matched with nut thread on the inner surface of nut, tooth structure on spiral tooth structure is matched with outer gear;The nut inner still is equipped with retainer, retainer is equipped with containing groove, roller is located in containing groove.The utility model provides a kind of reverse planetary roller screw structure, processing assembly is simple, transmission ratio is stable, axial displacement cannot be generated, and it will not occur deflection;Solve the technical problem of the existing technology, roller is prone to deflection, prone to broken tooth, leading to unstable structure, high processing cost.

The utility model discloses a kind of construction waste feeding machines, relate to construction waste processing technical field.The utility model includes feeding table, and the long feed roller is arranged at one end of feeding table, and the broken tooth is arranged in the middle part of feeding table, and the short feed roller is arranged between two adjacent broken teeth, and the installation side plate is arranged at the bottom of feeding table, and the shaking filter assembly is arranged between installation side plate, and the shaking filter assembly reciprocatingly moves along installation side plate.It has rod-shaped metal across separation conveyor belt, continues to move forward, while blocky material cannot cross separation conveyor belt, and drop on separation conveyor belt, and be transported to side by separation conveyor belt, so that blocky material and rod-shaped metal are separated, and the slag produced when broken tooth is broken directly falls into the shaking filter assembly between installation side plate through the gap between broken tooth, and the size particle of slag produced by breaking is separated and handled using the up-and-down shaking of shaking filter assembly.

The application relates to the technical field of foundry sand regeneration equipment, and provides foundry sand regeneration equipment, which comprises a rack, a transmission module is arranged in the middle of the rack, motors are arranged on the two sides of the transmission module, old sand enters a centrifugal rotor hub from an opening in the upper central position of the centrifugal rotor hub, is thrown out from the opening of the centrifugal rotor hub under the action of centrifugal force, collides with a first broken baffle assembly to complete primary breaking, the broken old sand falls to a broken wheel, the broken wheel strikes the sand block to complete secondary breaking by using broken teeth arranged on the surface when the broken wheel rotates at high speed, air blowing components are used for cooling the foundry sand and blowing out floating old sand ash, so that the old sand can be broken, impurities can be removed, and cooling operation can be realized, so that the regeneration treatment period of the old sand is shortened, in addition, the compact treatment equipment can reduce the floor area of the whole regeneration equipment and improve the space utilization rate of a production plant.

The utility model belongs to the technical field of feeding machine especially for broken double wrist feeding machine, including support plate, the top fixed mounting of support plate has the support block, the top fixed mounting of support block has the connecting plate, one side fixed mounting of connecting plate has the support rod, one end fixed connection of support rod has the discharge bin, the upper surface of discharge bin is equipped with the feed port. First servo motor starts and drives the spiral broken cutter in the discharge bin to rotate, the spiral broken cutter can carry out the preliminary broken treatment to the material in the discharge bin, because the material conveying channel presents certain inclination, second servo motor starts and drives the conveying roller to rotate, two conveying rollers can drive the material in the process of moving towards each other, the broken tooth on the surface of conveying roller can carry out the broken treatment to the material, the material is broken in depth, makes the material reach the feeding effect, prevents the material of oversize from blocking the feeding machine, improves the use effect of feeding machine.

The utility model relates to the technical field of material crushing equipment, and provides a low-temperature crusher, which is used for solving the problems that materials are easily denatured due to temperature rise and active ingredients are damaged when heat-sensitive materials are treated by a traditional crusher. The main body of the low-temperature crusher is a crusher body, a crushing structure is arranged in the crusher body, and a cooling interlayer is arranged around the crusher body; an external compression type refrigerating machine conveys refrigerants to the cooling interlayer through a heat preservation cold supply pipeline, the temperature in the cavity can be precisely regulated and controlled to be-20 DEG C to 0 DEG C, the smashing structure is driven by a variable frequency motor and works through meshing smashing teeth with a special transmission ratio, tooth bodies are made of high-strength abrasion-resistant alloy, the surfaces of the tooth bodies are hardened, and the smashing efficiency and durability are improved. In addition, the equipment has sealing and noise reduction design, is simple and convenient to operate, and is widely applicable to industries with low-temperature and high-efficiency requirements on material crushing, such as pharmacy, food and chemical engineering.

The utility model discloses a building waste treatment device in the technical field of building waste treatment, which comprises a box body, a rotating shaft is arranged at the top of an inner cavity of the box body, a motor is arranged at the top of the outer wall of the left side of the box body, crushing teeth are arranged on the outer ring of the rotating shaft, and rotating sticks are arranged on two sides of the inner cavity of the box body. A fixing plate is arranged at the top of the outer wall of the right side of the box body, a collecting box is arranged at the top of the fixing plate, a dust suction fan is arranged at the top of the collecting box, a dust suction opening is formed in the left side of the dust suction fan, and the dust suction opening penetrates through the side wall of the box body into the box body; a motor is started to enable a rotating shaft to drive crushing teeth to rotate for primary crushing, large concrete fragments are crushed, then crushing teeth are driven by a rotating roller to rotate to fully crush the crushed concrete fragments, and in the crushing process, a dust suction fan is started to suck generated dust through a dust suction opening.

This application relates to a device for repairing broken teeth in the medium-speed stage of a GE wind turbine gearbox, belonging to the field of broken tooth repair technology. It includes a base frame, a support assembly, a repair assembly, and a main controller. This application utilizes a worm gear and worm shaft meshing transmission combined with a servo motor drive to achieve precise rotation adjustment of the turntable, solving the problem of insufficient positioning accuracy in existing devices. A dual-axis motor drives a lead screw, causing the moving plate to move the connecting plate and clamping plate, adapting to gearboxes of different sizes and improving compatibility. The turntable and micro-support provide dual support for the lead screw. Guide columns guide the movement of the moving plate, and limit blocks restrict the movement range, ensuring clamping stability. Heat dissipation vents provide timely heat dissipation, ensuring stable operation of components such as the dual-axis motor. A cylinder drives a horizontal plate to adjust the height of the mechanical repair arm. A laser welding head and mechanical grippers work together to complete the repair. A column and fixing plate ensure stable movement of the horizontal plate, improving repair accuracy. The main controller achieves automated linkage between the support assembly and the repair assembly, simplifying operation.

An ice throwing device for an ice breaking vehicle relates to the technical field of road deicing and comprises a feed hopper, a box body, a material throwing pipe, a throwing impeller and a driving motor. The feeding hopper is communicated with the top of one side of the box body and used for collecting ice residues, and the material throwing pipe is communicated with the bottom of the other side of the box body to output the ice residues. The throwing impeller rotates in the box body and is driven by the top driving motor, and ice slag is thrown out through centrifugal force. The driving motor is connected with the impeller through a driving shaft, a crushing shaft and crushing teeth are arranged on a shaft body, a rack is installed outside the box body and hinged to the fixing frame, and the pitching angle of the material throwing pipe is adjusted through a telescopic cylinder. The ice throwing machine has the advantages of being simple in structure, smooth in feeding, good in crushing and throwing effect, wide in operation range and the like, can meet the requirements of different working conditions, and improves the ice throwing operation efficiency and quality.

The application aims to provide a gear fault diagnosis method based on a full pole model and a K-means method, comprising establishing a full pole model of a gear box system vibration signal, extracting a fault feature parameter based on K-means, and a gear fault online diagnosis process, wherein establishing the full pole model of the gear box system vibration signal comprises a full pole model, model parameter identification, model order determination, and obtaining model poles, etc. The application gathers the poles s1 in the normal, broken tooth, and wear three states into several clusters, and identifies the center point C i and a distance threshold R i as a fault feature parameter. Based on the fault feature parameter center point C i and the distance threshold R i , a gear fault diagnosis process is established, and whether it belongs to a certain cluster is judged by using the distance between the pole position and the center point C i and R i , so as to realize the fault diagnosis of the gear health, broken tooth, and wear three states.

The utility model discloses a mica sheet double-roller machine, which relates to the technical field of mica crushing, and comprises a shell, the upper end and the lower end of the shell are respectively provided with a feed hopper and a feed opening, two crushing rollers which are symmetrically arranged and are provided with staggered tooth blocks are rotatably connected in the shell, and a driving motor is fixed on the outer side of the shell. According to the utility model, the movable stop blocks are arranged between the two adjacent fixed stop blocks, and the upper end between the two fixed stop blocks forms the closed structure through the sealing piece, so that a smaller mica sheet can be prevented from entering the space between the two fixed stop blocks, and further the smaller mica sheet can be prevented from being clamped between the crushing teeth of the crushing roller and the fixed stop blocks; according to the mica sheet crushing device, the rotation of the crushing roller is hindered, meanwhile, large abrasion caused by the fact that mica sheets exist between the crushing teeth of the crushing roller and the fixed check blocks can be avoided, the possibility that the crushing roller is stuck is avoided while the large mica sheets are well prevented from directly falling down, and normal operation of equipment is guaranteed.

The utility model discloses a material leakage grid with broken function, including frame and screening part: the screening part sets up at the top of frame, the screening part has the connecting plate of setting at the top of frame, the top of connecting plate is provided with screen grid, the top of connecting plate transverse sliding is provided with sliding frame a and sliding frame b, the inside of sliding frame a is provided with broken tooth a, the inside of sliding frame b is provided with broken tooth b, and the broken tooth b is staggered with broken tooth a and arranges, and the transverse displacement of sliding frame a and broken tooth a drives broken tooth a and broken tooth b to move to break up the powder material and gather. The utility model discloses through being provided with screening part, can drive broken tooth a and broken tooth b to engage staggered when sliding frame a and sliding frame b are in the transverse relative movement, realizes the shearing broken of material gathering, ensures that material passes through screen grid smoothly, improves screening efficiency.

The utility model discloses a transformer convenient to disassemble, assemble and maintain, relates to the technical field of transformers, and aims to solve the problems that in the prior art, the periphery of a cover plate part of an existing transformer is mostly fixed by adopting a large number of bolts, and a large number of bolts need to be disassembled during assembly and disassembly; and after the number of the bolts is large, the conditions of thread slipping and thread breaking are easy to occur, so that the maintenance of the transformer is very troublesome. A customized mounting seat is arranged on the transformer shell, a customized sealing cover is arranged on the customized mounting seat, a fixed inlaying sliding groove is formed in the inner side of the customized mounting seat and is of an L-shaped structure, inlaying sliding legs are arranged below the customized sealing cover and are of an L-shaped structure, and the fixed inlaying sliding groove and the inlaying sliding legs are of an L-shaped structure. And the embedded sliding legs are connected with the fixed embedded sliding grooves in an embedded mode, the number of the fixed embedded sliding grooves and the number of the embedded sliding legs are both two, hooks are arranged on the outer side of the transformer shell, and hanging legs are arranged on the customized sealing cover.