52 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 relates to an adjustable bending type cable tail accessory, and belongs to the technical field of aviation connectors. An adjustable bending type cable tail accessory comprises a connector and a tail clamp which are internally communicated, and the connector and the tail clamp form a bending structure. The connector end is used for being connected with another connector in a plug-in mode and comprises a shell and an outer thread sleeve, the interior of the shell is hollow, and the outer thread sleeve is arranged at one end of the shell; the tail clamp comprises an adjusting part and a fixing part, the adjusting part is connected with the end, away from the outer thread sleeve, of the shell and used for adjusting the direction of the wire harness, and the fixing part is arranged at the other end of the adjusting part and used for fixing the wire harness. The utility model has the following advantages: the outer thread sleeve is matched with the end tooth structure, and the inner thread sleeve is provided with the broken tooth structure, so that the operation convenience and stability can be improved; in the case of complex working conditions of an airplane, for example, in areas with complex structures, narrow spaces and the like, when the electric connector is difficult to butt or cannot be butt-jointed due to interference with the periphery, the tail accessory can be quickly adjusted, the adaptive practicability is high, and the labor cost is reduced.

The invention discloses a gear broken tooth failure diagnosis method and a related device under a friction dynamics coupling condition, and relates to the technical field of gear broken tooth failure diagnosis, and the method comprises the steps: solving a dynamics model in a gear transmission process under the friction dynamics coupling condition, the method comprises the following steps: obtaining a rotation angle of a driving gear and a rotation angle of a driven gear, further calculating to obtain gear tooth root bending stress and a gear bending fatigue safety coefficient, and decomposing vibration signals in a transmission process of the driving gear and the driven gear by utilizing an ICEEMDAN algorithm when determining that a tooth breakage risk exists based on the gear bending fatigue safety coefficient. And further determining a support vector, calculating a distance between the support vector and a sphere center of a reference hypersphere constructed by using an SVDD algorithm, and calculating to obtain a gear health degree based on the distance so as to complete gear tooth breakage failure diagnosis. According to the method, the calculation precision of the gear tooth root bending stress and the diagnosis precision of gear tooth breakage failure diagnosis can be improved.

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 utility model relates to the technical field of drill bit disassembly and assembly, in particular to a drill chuck quick loosening and tightening wrench which comprises a sleeve, a rotating groove is formed in the outer wall of the sleeve, a bolt hole is formed in the sleeve and penetrates through the rotating groove, a pusher dog is installed in the rotating groove, a through hole is formed in the pusher dog, and a bolt is installed in the bolt hole. The bottom of the bolt penetrates through the bolt hole and the through hole, a nut is in threaded connection with the outer wall of the bottom end of the bolt, a first threaded hole is formed in the outer wall of the pusher dog, a first threaded column is in threaded connection with the interior of the first threaded hole, and a handle is fixedly connected to the other end of the first threaded column. The key is easy to operate and operate, the safety coefficient is improved, the production efficiency is improved, abrasion of the conical teeth of the key is avoided, and the conical teeth on the outer wall of the drill chuck are prevented from being damaged or collapsed.

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 crusher tooth roller which comprises a central shaft, two ends of the central shaft are respectively provided with an extension shaft, one end of one extension shaft is provided with a connecting shaft, the connecting shaft is provided with a key groove, and the central shaft is externally provided with an installation device and a fixing device. The mounting device comprises a first mounting sleeve, a second mounting sleeve, a third mounting sleeve, first toothed plates and second toothed plates, the first toothed plates and the second toothed plates are arranged, and when the first toothed plates are mounted, the first toothed plates are directly clamped in the first T-shaped grooves and the second T-shaped grooves in the first mounting sleeve or the third mounting sleeve, so that the mounting efficiency is improved, and the mounting cost is reduced. The first toothed plate is mounted on the first mounting sleeve through a bolt, then the second toothed plate is mounted on the second mounting sleeve through a bolt, when the crushing teeth on the first toothed plate and the second toothed plate need to be repaired, the first toothed plate and the second toothed plate can be detached independently, only the bolt between the second toothed plate and the second mounting sleeve needs to be detached, and operation is easy.

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 utility model relates to a pioneer belongs to agricultural machinery equipment technical field. It includes frame, characterized by: installing pivot on the frame, setting up pioneer wheel on the pivot, pivot connects rotary drive mechanism, and rotary drive mechanism is installed on the frame, pioneer wheel is cylindrical, and a plurality of broken teeth are spirally arranged on the outer wall of pioneer wheel, upper jaw plate is installed on the frame above pioneer wheel, left support and right support are arranged on the upper portion of frame respectively, crossbar part is arranged between left support and right support, and sawtooth function group is arranged on crossbar part, toughened glass protection plate is installed between left support and right support, and cleaning dust collection device is installed on left support and right support. The device adopts the design of hanging and split body, can effectively improve the multipurpose operation ability of driving vehicle, is reasonable in structure design, is efficient in operation, is low in maintenance cost and is easy to popularize and use.

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.

A file bag zipper slider installation device, including installation frame, installation frame is connected with material conveying assembly, shaping assembly and installation assembly, material conveying assembly is configured to transport the slider to the preset position, the shaping assembly includes a mold, a closure and a stamping part, the closure is configured to engage the matched chain belt, the stamping part is configured to the chain tooth on the chain belt after disengaging, the installation assembly includes a positioning fork, a broken tooth plate and a butt joint, the positioning fork is formed with a slot room for the engaged chain belt to pass through.The bottom surface of the positioning fork contacts the file bag raw material, thereby playing a directional role in the transmission of the file bag and the chain belt, the broken tooth plate capable of changing the relative position can split the engaged chain belt, facilitating the engagement of different sliders with the zipper, through the cooperation of various parts, automatic installation is realized, the production efficiency is greatly improved, and the production cost is reduced.

The invention discloses a data acquisition device for geological exploration based on an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicle exploration. Comprising an unmanned aerial vehicle body, an image acquisition mechanism is installed on the unmanned aerial vehicle body, a sampling mechanism is installed at the bottom of the unmanned aerial vehicle body, and undercarriage mechanisms are installed on the two sides of the bottom of the unmanned aerial vehicle body; the sampling mechanism comprises a lifting frame, a rotating frame is rotatably mounted on the lifting frame through a shaft, and a sampling driving assembly for controlling the rotating frame to rotate is mounted on the lifting frame; the lifting control assembly is installed at the bottom of the unmanned aerial vehicle body and used for controlling the lifting frame to ascend and descend. By arranging the sampling mechanism and other structures, during sampling and rotation of a crushing toothed plate, crushing teeth crush a sampling position, so that a crushed object enters an annular cavity between a sample storage barrel and a sampling barrel, and along with rotation of the structure, a spiral plate is used for lifting a sampled object upwards, so that the sampled object falls into the sample storage barrel, and sampling is completed.

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 line laying, and particularly discloses a guiding device for underground laying of a communication line, which comprises a driving mechanism and a drilling mechanism assembled on one side of the driving mechanism, the driving mechanism comprises a pushing rod, an adjusting seat is hinged to one side of the pushing rod, a positioning module is fixedly mounted on the inner wall of the adjusting seat, and a rotating seat is rotatably mounted on one side of the adjusting seat; the drilling mechanism comprises a drill bit which is in threaded connection with one side of the rotating seat, a plurality of crushing wheels which are distributed in an annular array are rotatably mounted on one side of the drill bit, crushing teeth are uniformly distributed on the surfaces of the crushing wheels, and a fixing rod is fixedly mounted on one side of the drill bit; according to the utility model, a shearing effect can be formed between the comb teeth and the crushing teeth, stones and hard objects clamped between the crushing teeth can be crushed, the crushing effect of the crushing wheel is improved, and a laying path of a communication line can be smoothly drilled.

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 invention provides an embedded bolt anchoring seat for a prefabricated shear wall and a dry method assembly construction method, the embedded bolt anchoring seat is used for connection between an upper prefabricated shear wall and a lower prefabricated shear wall, the embedded bolt anchoring seat comprises a plurality of groups of bolts and sleeves with the number corresponding to that of the bolts, and each sleeve further comprises a self-triggering gel system sealed in an inner cavity. And the crushing teeth pierce the layered seal to promote the release of the self-triggering gel system, fill the adjacent gap between the bolt and the sleeve and anchor the base. The necking section is matched with the depth of the V-shaped groove to improve the plastic deformation capacity of the bolt, meanwhile, cracks are guided to be stopped at the bottom of the V-shaped groove, brittle fracture is avoided, the strength loss of the bolt is compensated through gel filling during installation, a rigid-flexible composite energy dissipation body is formed, the necking section provides the deformation capacity, and 120% of strength is maintained through gel filling.

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 application discloses a kind of offshore wind turbine gear box fault diagnosis methods based on image recognition, it is related to gear box fault diagnosis technical field, the reliability of offshore wind gear box crack diagnosis is significantly improved by the imaging optimization of the coupling of multiple physical fields and the innovation of deep learning architecture;The synergy of polarization filtering and dynamic frequency domain filtering effectively suppresses the optical artifact interference of salt crystallization layer;Double generator adversarial network realizes artifact feature decoupling, avoids crack information loss;Frequency domain branch captures crack spectral energy distribution, and spatial branch combines stress distribution priori to strengthen key area detection, solve the cross-scale identification problem of micro-point corrosion and macroscopic broken tooth;Adaptive frequency band selection and deformable convolution design enable the algorithm to cope with different salt mist concentration, complex working conditions of crystalline morphology, reduce the dependence on hardware modification.

The invention provides an anti-blocking crushing device for a chute of a blanking groove of a precision cutting machine. The anti-blocking crushing device comprises a workbench, a chute plate is arranged on the surface of the workbench in a penetrating manner, and a main crushing assembly is arranged in a chute formed by the chute plate; the end part of the main crushing assembly is cooperatively connected with a driving assembly; a sliding assembly is arranged at the bottom end of the driving assembly; the sliding assembly is used for driving the driving assembly to move so as to realize disassembly and assembly between the driving assembly and the main crushing assembly; the main crushing assembly comprises a driving shaft, crushing teeth, a bulge and a locking bolt; the driving shaft rotates between the chute plates, and a plurality of crushing teeth are distributed on the outer side of the driving shaft at equal intervals; the cross section of each crushing tooth is of a 6-shaped structure, and a bulge is arranged on the crushing surface of each crushing tooth; and the crushing teeth are detachably connected with the driving shaft through locking bolts. The material blocking problem of the chute of the blanking groove of the precision cutting machine is fundamentally solved, the maintainability, the reliability and the automation degree of equipment are substantially improved, and the material blocking device has extremely high practical and popularization value.

The utility model relates to the technical field of hammer crushers, in particular to a hammer head for a hammer crusher, which comprises a connecting piece, a fixed piece, a movable piece and a contact piece which are sequentially arranged from top to bottom, the bottom of the fixed piece is symmetrically and fixedly connected with two connecting screw rods, and the top of the movable piece is symmetrically and rotatably provided with two adjusting knobs through bearings. The hammer head is reasonable in structure and convenient to adjust and replace parts. The hammer head is composed of a connecting piece, a fixed piece, a movable piece and a contact piece which are sequentially arranged from top to bottom. The bottom of the fixed part is in threaded connection with an adjusting knob at the top of the movable part through a connecting screw, so that the movable part can adjust height and angle relative to the fixed part, and adaptability and flexibility are enhanced. The bottom of the contact piece is arc-shaped and provided with crushing teeth, so that the crushing efficiency and effect are improved. Meanwhile, detachable fixing design is adopted between the connecting piece and the fixed piece and between the movable piece and the contact piece, parts are convenient to replace and maintain, and cost is reduced.

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 invention belongs to the technical field of fault diagnosis. The invention provides the local fault diagnosis method and system for the double-row planetary gear, multiple broken tooth aesthetic models are constructed, and fault simulation is performed through the models, so that the states of different parts during tooth breakage can be comprehensively and meticulously analyzed, the fault recognition is more targeted and accurate, and the fault diagnosis accuracy is improved. Rapid identification of broken teeth of a sun gear and broken teeth of a planetary gear is realized, faults can be timely perceived, more serious equipment damage caused by fault delay is avoided, maintenance cost and downtime are effectively reduced, the operation efficiency of equipment is improved, and through analysis of modulation harmonic wave and impact characteristics in a time domain image and a frequency domain image, the fault detection accuracy is improved. According to the method, whether the fault exists or not and the specific position of the fault can be accurately judged, the conditions of misdiagnosis and missed diagnosis are reduced, a reliable basis is provided for subsequent maintenance work, and the technical blank of double-row planetary gear fault recognition is filled up.