77results about How to "Reduce shock load" patented technology

The utility model relates to the technical field of spherical tank surface weld joint detection, in particular to a magnetic attraction type spherical tank weld joint detection robot which comprises a crawler crawling device, a weld joint detection device and a surface polishing device, and the crawler crawling device is used for providing walking power and adsorbing a climbing wall; the welding seam detection device is composed of a detection part and an imaging part, and the imaging part is composed of laser imaging equipment and infrared imaging equipment and used for scanning the interior and exterior of the spherical tank in the detection process and determining coordinate distribution of a welding seam; the detection part consists of a mechanical arm and flaw detection equipment and is used for detecting a welding seam; the surface grinding device is composed of a grinding wheel grinding machine and a sliding support. According to the spherical tank robot, the obstacle crossing capacity for the surface of the spherical tank is improved through the magnet, foreign matter on the welding seam and the surface of the spherical tank is removed through the grinding wheel polisher on the premise that the surface of the spherical tank is not damaged, the welding seam detection precision is improved, and nondestructive detection on the welding seam on the surface of the spherical tank is achieved through the welding seam detection device.

The invention provides a small-offset collision sideslip structure design method, an automobile body front structure and an automobile. The small-offset collision sideslip structure design method comprises the following steps that a first interval structure and a second interval structure of the automobile body front structure are determined; obtaining a first structure parameter of the first interval structure and a second structure parameter of the second interval structure; performing a simulation test according to the first structure parameter of the first interval structure and the second structure parameter of the second interval structure, and determining a first sideslip force corresponding to the first interval structure and a second sideslip force corresponding to the second interval structure; if the first sideslip force and the second sideslip force do not meet the small offset obstacle avoidance condition, updating a first structure parameter of the first interval structure and a second structure parameter of the second interval structure; and if the first sideslip force and the second sideslip force meet the small offset obstacle avoidance condition, determining the vehicle body front structure according to the first structure parameter of the first interval structure and the second structure parameter of the second interval structure.

The invention relates to the technical field of high-performance protective composite materials, in particular to a novel hybrid fiber composite material and a preparation method and application thereof.The novel hybrid fiber composite material comprises an energy buffer layer, a shear protective layer, a tensile reinforcing layer and a deformation energy absorption layer which are sequentially stacked, the energy buffer layer is made of a tough aramid fiber-ultra-high molecular weight polyethylene fiber / TPU composite material, the shear protection layer is made of a high-performance carbon fiber / TPU composite material, the tensile enhancement layer is made of a tough aramid fiber / TPU composite material, and the deformation energy absorption layer is made of a tough ultra-high molecular weight polyethylene fiber / TPU composite material. The novel hybrid fiber composite material has the advantages of light weight, high strength, good wear resistance and good protection performance, and has wide application prospects and market values in the fields of aerospace structural members, high-end equipment, protection devices and the like needing to bear high stress, high impact and complex loads.

The invention relates to the technical field of wave power generation, in particular to floating type wave power generation equipment with a variable energy capturing body structure and a controllable energy conversion system. The device comprises an upper buoy, a power generation cabin and a lower buoy which are sequentially connected from top to bottom, a bottom frame is arranged below the lower buoy, the bottom frame is fixed to the lower portion of the lower buoy through a base frame arranged in the middle of the bottom frame, a plurality of resistance adjusting assemblies are arranged on the periphery of the side wall of the bottom frame, and the outer wall of the upper buoy is movably sleeved with a floating body. The device is reasonable in structural design, mechanical and hydraulic transmission energy conversion modes are adopted, the energy conversion mode of power generation equipment can be changed in time according to the size of a wave condition, and under the normal wave condition, the mechanical and hydraulic hybrid transmission mode is adopted, so that the transmission efficiency is effectively improved; under the extreme wave condition, the floating body dives to the position below the sea surface, so that the impact load borne by the oscillating floating body is effectively reduced, the equipment is prevented from being impacted excessively, the reliability of the equipment is improved, the service life of the equipment is prolonged, and the problems existing in the prior art are solved.

This utility model provides a motor lifting base, including a base plate and a top plate. A translation bracket is slidably connected to the top plate, and a support foot is fixedly connected to the top of the translation bracket. The support foot is used to install motor components. Translation drive components are connected to both sides of the translation bracket via screws and nuts. An adjusting rod one is rotatably connected to one side of the translation bracket via an extension rod, and an adjusting rod two is rotatably connected to the top of the base plate. The inner wall of adjusting rod one is slidably connected to the outside of adjusting rod two. The drive motor drives the synchronous component to drive the adjusting screws on both sides, realizing the synchronous and stable movement of the translation bracket. This facilitates the formation of an open installation platform in confined spaces. At the same time, adjusting rod one and adjusting rod two adopt a slanted platform compression and spring reset structure. A linear motor drives the compression slanted platform to push the positioning pin into the positioning hole, realizing rapid locking of length and angle, enhancing lateral support strength and improving adjustment efficiency, and avoiding damage to the bracket structure during motor installation.

The application discloses an industrial steel cutter with adjustable cutting depth and an implementation method thereof, and relates to the technical field of industrial cutting tools, aiming to solve the problem that most of the existing industrial steel cutters adopt fixed structures or simple bolt adjustment structures, the cutting depth of the fixed steel cutter cannot be adjusted, and the steel cutter can only adapt to a single machining condition, the bolt adjustment structure only relies on a single bolt locking, and cannot realize micron-level precision fine adjustment, and the technical scheme is as follows: the industrial steel cutter comprises a cutter body shell, a connecting seat with holes, a telescopic blade assembly, a fine adjustment driving assembly and a connecting assembly, a mounting cavity is arranged at the bottom of the cutter body shell, the connecting assembly is slidingly assembled in the mounting cavity, a driving cavity is arranged at the top of the cutter body shell, the telescopic blade assembly and the fine adjustment driving assembly are connected through the connecting assembly, the industrial steel cutter adopts a worm gear and differential variable pitch screw composite transmission structure, the worm gear has a speed reduction transmission effect, and micron-level cutting depth fine adjustment can be realized.

The utility model relates to an air suspension of a semitrailer, which comprises a guide arm support connected with a semitrailer body, a guide arm is rotatably hinged on the guide arm support, a shock absorber and a shock absorption steel plate are arranged on the guide arm, and two ends of the shock absorber are respectively arranged on an air bag component and the guide arm. The two ends of the shock absorption steel plate are arranged on the guide arm support and the guide arm respectively, the configuration distribution layout of shock absorption parts is optimized, the impact load on the shock absorber is effectively reduced, the shock absorption effect is good, and the driving smoothness and comfort of the semitrailer are guaranteed.

The invention relates to the technical field of electric power inspection and maintenance robot control, and discloses a power transmission line crawling robot lifting self-adaptive shake suppression control method and system. The method comprises the following steps: acquiring three-axis acceleration and three-axis angular velocity data of a robot platform, calculating a yaw angle and an angular velocity of the robot platform relative to a vertical balance position, and constructing an evaluation index representing the shaking strength of the platform; according to the shake strength evaluation index, driving parameters of a lifting motor are dynamically adjusted through a nonlinear mapping relation; and the swing period and phase of the robot platform are monitored, and when the platform swings to a specific phase point, an instantaneous driving pulse is applied to a lifting motor to consume swing energy. By means of the method, the maximum swing angle of the robot platform can be reduced by 60% or above, the static time after the robot platform reaches the target position is shortened by 70% or above, and the working efficiency is remarkably improved.

The utility model relates to the technical field of nylon tape traction devices, in particular to a nylon tape traction device with buffering and steering functions, which comprises a base, a cable guide, a bearing component, a buffering mechanism and a reel. The cable guide is connected with the base; the reel is vertically fixed on the base through a support frame, and a nylon tape is wound on a winding drum of the reel; the bearing assembly comprises a first bearing and a second bearing which are oppositely arranged, the first bearing is fixed to the base through a support, the second bearing is connected with the buffering mechanism, and the buffering mechanism is arranged on the base; and the nylon tape sequentially bypasses the first bearing and the second bearing and then is steered by the cable guider to vertically extend. By arranging a buffering mechanism, the impact load borne by the bearing is effectively reduced, and the service life of the device is prolonged; by arranging the first bearing, the second bearing and the cable guide, steering of the nylon belt is achieved, the structure is simple and easy to achieve, and buffering and direction switching are synchronously completed under the impact working condition in cooperation with the arrangement of the buffering mechanism.

A driving assistance device (100) stores, in a storage device (18), information on a travel route (112) of a vehicle (102) driven by a driver, and when there is an automatic travel command from the driver, sets a target travel route (116) on the basis of the travel route information stored in the storage device (S140). When a magnitude of a vertical acceleration (Gz) equal to or greater than a reference value (Gzc) is detected when a vehicle driven by a driver travels (S80), the position is stored in a storage device (S90) together with information of a travel route (112) as a specific site of a road surface displacement, and the position is stored in the storage device (S90) together with information of the travel route (112) when the magnitude of the vertical acceleration (Gz) equal to or greater than the reference value (Gzc) is detected (S80) when the vehicle travels along the target travel route (112). The vehicle speed (V) is reduced (S190) when the vehicle passes through a location (Pc2) corresponding to the specific location during automatic travel.

The application relates to the field of bridge anti-collision structures, and discloses a bridge anti-collision structure with an energy consumption core material interlayer based on modular design, which comprises an energy consumption core material outer edge, the outer periphery of a bridge pier is sleeved with a ring of the energy consumption core material outer edge, and the two are connected through a head-tail closed guide ring; a plurality of groups of vertical guiding contact modules are slidably arranged on the guide ring in the circumferential direction, and each guiding contact module is an independent unit; each group of the guiding contact modules comprises two groups of telescopic buffer mechanisms, the fixed ends of which are rotationally connected with two rotating rollers. The vertical impact force is converted into the tangential force through the cooperation of the rotating roller one, the rotating roller two and the guide ring, the double energy consumption of the buffer spring and lubricating liquid is formed, the bridge pier impact resistance is improved, the lubricating liquid in the telescopic cavity is automatically sprayed and forms a closed loop lubrication through the collecting piece, the energy consumption core material outer edge and the inclined guide, the service life of the components is prolonged, the impact position range is indicated by the impact marking mechanism, the maintenance cycle is shortened, the cost is reduced, and the operation and maintenance efficiency is improved.

The application discloses a straw cutting and anti-winding integrated device for biomass fuel, and belongs to the field of biomass fuel processing equipment, which solves the problems of easy winding, low cutting precision and poor running stability of the existing straw cutting mechanism. The device comprises a mounting frame, a driving assembly, a rotary cutting assembly, a floating cutting assembly and a floating baffle assembly. The driving assembly drives an output driving shaft to drive the rotary cutting assembly to operate. The output driving shaft drives the floating cutting assembly through a gear reverser. The two are vertically arranged. The floating baffle assembly is hinged to the lower part of the mounting frame and below the rotary cutting assembly. The application adopts a double-stage cutting structure, cooperates with the anti-winding and buffering design, realizes accurate straw cutting and whole-process anti-winding, and has uniform cutting length. The device is stable in operation, low in maintenance cost, high in operation efficiency, and suitable for the large-scale processing of biomass fuel straw raw materials.

The present application relates to the technical field of air extractor, particularly relates to a direct drive improvement device of oil pumping unit; including tower body, platform, driver, shaft coupling, drum, crown assembly, belt, oil pumping rod, counterweight box and liquid cooling mechanism, the liquid cooling mechanism includes motor shell cooler, the platform is fixedly arranged on the top of the tower body, the driver, crown assembly and motor shell cooler are all fixedly arranged on the platform, the drum is rotatably arranged on the platform and located on one side of the driver, the driver and drum are drivingly connected through the shaft coupling, the crown assembly is located on one side of the driver, shaft coupling and drum, the belt is slidably arranged on the drum and crown assembly, the oil pumping rod and counterweight box are respectively fixedly arranged at two ends of the belt, the oil pumping rod is located on one side of the tower body, and the counterweight box is located below the platform; energy consumption is significantly reduced, frequent maintenance is not needed, and mechanical noise of the traditional reduction gearbox is eliminated.

The utility model discloses an anti-deformation waste material collecting device for metal material manufacturing, which relates to the technical field of metal waste material collection, and comprises a waste material box, a lifting structure arranged on the waste material box and used for limiting the descending distance of metal waste materials; the lifting structure comprises a first sliding groove, the first sliding groove is formed in the bottom of an inner cavity of the waste box, a driving motor is installed on one side of the waste box, a rotating shaft is fixed to an output shaft of the driving motor, the top of the waste box is sleeved with a hopper, and a second sliding groove is formed in the hopper. And a fixing shaft is fixed in the second sliding groove, and the outer surface of the fixing shaft is sleeved with a shear fork type lifting frame. The height of the hopper is dynamically adjusted through the shear fork type lifting frame, the height difference of metal waste falling into the waste box can be flexibly shortened or increased, impact force generated by free falling is reduced, the impact load of the waste on the waste box and an internal structure is remarkably reduced, and equipment is effectively prevented from being deformed and damaged.

This invention belongs to the field of battery manufacturing technology, specifically a connection structure for the frame of a battery pack housing for new energy vehicles. It includes a water-cooled connection assembly, which comprises a base plate with flow channel ports at both ends. A water-cooled sealing strip is installed within each flow channel port. The water-cooled sealing strip, made of rubber, has a stepped recessed buffer cavity in the middle and an inverted conical structure formed by two inclined surfaces at its head. The interference fit between the sealing strip and the channel creates multiple sealing surfaces, maintaining partial sealing even if some loosening occurs. This also enhances friction with the inner wall of the channel, effectively reducing the risk of condensate leakage. The outer surface of the water-cooled sealing strip has diagonal anti-slip stripes, which can mechanically engage with the inner wall of the flow channel port, reducing axial movement and further improving structural stability.

The present invention relates to a tailwater artificial wetland treatment system and method for enhanced denitrification and phosphorus removal, which comprises a pre-pond, a micron aerated vertical submerged flow wetland, a vertical submerged flow wetland, a horizontal submerged flow wetland and a stabilization pond arranged in sequence; an immersion bioreactor is arranged in the pre-pond, an integrated air / water distributor is arranged at the bottom of the micron aerated vertical submerged flow wetland, a calcareous centimeter stone and a slow-release carbon source composite functional filler are arranged in the vertical submerged flow wetland, and a slow-release carbon source composite functional filler and a sulfur iron functional filler are arranged in the horizontal direction in the horizontal submerged flow wetland. The system first performs preliminary purification, and then performs heteroaerobic denitrification and autoaerobic denitrification in deep purification, and simultaneously enhances phosphorus removal. It has the advantages of reasonable structural design, uniform water distribution and water collection, strong synchronous denitrification and phosphorus removal capabilities, and good winter operation effects, and significantly improves the denitrification and phosphorus removal capabilities and self-repair capabilities of the tailwater artificial wetland system, and has the advantages of ecological naturalness, high efficiency and stability, simple maintenance, and economical and practical.

The application provides a WC-based hard alloy material for drilling super-deep wells, relates to the technical field of hard alloys, and is composed of a wear-resistant layer, a transition layer and a toughened supporting layer. The wear-resistant layer, the transition layer and the toughened supporting layer all include base alloy components and additive components. The base alloy components of the three layers all include WC powder, Ni powder, Co powder, Cr powder, Mo powder, NbC powder, Cr3C2 powder and VC powder. The WC powder particle size increases gradually between the wear-resistant layer, the transition layer and the toughened layer, and the Cr3C2 powder addition amount of the three layers is different. The material is designed by the partition organization of the wear-resistant layer, the transition layer and the toughened supporting layer, so that the WC-based hard alloy material is obtained. While the high corrosion resistance, erosion resistance and wear resistance are maintained, the local anti-cracking and anti-contact fatigue capacity of the sealing contact area is improved.

This invention discloses a continuously variable transmission (CVT), specifically relating to the field of transmission technology. It includes a housing with an adjustment component on it. The adjustment component includes a connecting cover at one end of the housing, and an angle-adjustable ball joint hinged within the connecting cover. A first shift lever is located at the bottom of the ball joint. Through angle adjustment of the ball joint, and the linkage between a slider and a concave block, the first and second shift levers slide laterally, allowing for real-time fine-tuning of the meshing depth between the first and second connecting wheels and the linkage gear. This dual adjustment structure works synergistically, breaking the limitations of traditional segmented speed regulation. It enables seamless switching of the transmission ratio within a preset range. Furthermore, the high-precision angle control of the servo motor combined with the micron-level displacement adjustment of the ball joint ensures that the transmission ratio meets the corresponding control requirements, satisfying the needs of high-precision speed regulation scenarios.

This utility model relates to the technical field of stone crushing equipment, specifically a magnetorheological damping type stone crushing noise reduction device, comprising: a crushing body for stone crushing operations; magnetorheological damping components disposed on both sides of the bottom of the crushing body and rigidly connected to the crushing body; a magnetic field adjustment module electrically connected to the magnetorheological damping components for outputting an adjustable magnetic field; a vibration detection module installed on the outer wall of the crushing body for collecting vibration parameters during crushing operations; and a control module installed on the other outer wall of the crushing body and electrically connected to the magnetic field adjustment module and the vibration detection module, respectively. This utility model uses magnetorheological damping components and wear-resistant noise-reducing liners to not only reduce structural radiation noise caused by vibration transmission but also absorb airborne noise, resulting in overall noise reduction. The control module adjusts the damping in real time based on vibration detection data, adapting to dynamic working conditions under different stone hardness and crushing loads.

The utility model discloses a headrest folding device of a vehicle seat, and belongs to the technical field of vehicle accessories. Comprising a backrest framework assembly; the base frame is fixed on the backrest framework assembly and is provided with a base frame main panel and two base frame side plates; the headrest rod assembly is rotationally connected to the base frame and provided with a pair of headrest rod bodies, a rotating shaft and a pair of clamping positioning plates, and the rotating shaft is connected between the two base frame side plates of the base frame in a pivoted mode; the driving elastic piece is used for driving the headrest rod assembly to rotate; the locking assembly is used for achieving locking of the headrest rod assembly, and the locking assembly is in locking fit with the clamping positioning plate; the unlocking inhaul cable assembly is used for driving the locking assembly to move; the unlocking reset elastic piece is used for applying elastic force to the locking assembly to achieve locking of the locking assembly and the headrest rod assembly; the folding seat headrest has the advantages that folding operation of the seat headrest is effectively achieved, and the neck of a passenger is protected; the structure is compact, the strength is high, gaps among parts are small, the adjusting process is smooth, and the working stability is good; locking is reliable, and unlocking force is small.

The invention relates to the technical field of unmanned aerial vehicle impact load monitoring, in particular to an impact load monitoring method and system for unmanned aerial vehicle collision avoidance, and the method comprises the steps: obtaining the impact load of an unmanned aerial vehicle in each group of experiments and the data of three flight elements of the unmanned aerial vehicle through an intelligent sensor; calculating the gradient influence degree and the impact load synchronization consistency of each flight element; analyzing the deviation condition of the correlation vector of each flight element and the correlation total vector to obtain the contribution degree of each flight element to the impact load so as to calculate the self-adaptive fitting weight of each flight element; and in combination with the data of each flight element and the unmanned aerial vehicle impact load data, fitting to obtain a fitting function between the unmanned aerial vehicle impact load and the three flight elements so as to obtain the maximum impact load, and obtaining the optimal value of the unmanned aerial vehicle airbag parameter by using an optimization algorithm. The impact load of the unmanned aerial vehicle can be effectively reduced, and the safety and effectiveness of the unmanned aerial vehicle during collision are guaranteed.

The invention relates to the technical field of sewage treatment, and provides an integrated novel A / O tank which comprises an anaerobic zone, a circulating low-oxygen aeration zone, an air plug flow zone, an aeration pipeline set and a settling zone, the output end of the anaerobic zone is connected with the input end of the circulating low-oxygen aeration zone, the aeration pipeline set is arranged on one side of the circulating low-oxygen aeration zone, and the settling zone is arranged on the other side of the circulating low-oxygen aeration zone. An air plug flow area is arranged on the other side of the circulating low-oxygen aeration area, the output end of the circulating low-oxygen aeration area is connected with the input end of the settling area, the circulating low-oxygen aeration area comprises a first low-oxygen aeration area and a second low-oxygen aeration area, the input end of the first low-oxygen aeration area is connected with the input end of the anaerobic area, and the input end of the second low-oxygen aeration area is connected with the input end of the settling area. The output end of the first low-oxygen aeration area is connected with the input end of the second low-oxygen aeration area, and the second low-oxygen aeration area is connected with the input end of the first low-oxygen aeration area through the air plug flow area. According to the invention, the energy consumption can be greatly reduced, the efficiency can be improved, the inlet water can be diluted, the impact load can be reduced, a stable growth environment can be provided for microorganisms, and the dissolved oxygen control is stable.

The invention relates to the technical field of intelligent punching equipment, in particular to a punching system which comprises a punching machine and a lifting mechanism, a buffer mounting groove is formed in the punching machine, a supporting base corresponding to the lifting mechanism is arranged in the buffer mounting groove, and a buffer mechanism capable of conducting damping and noise reduction on the supporting base is arranged in the buffer mounting groove. A cooling mechanism capable of cooling the supporting seat is arranged on the buffer mechanism and is started along with the lifting mechanism after being started, energy is converted, vibration and noise are reduced, the influence on the environment is reduced, environmental protection is facilitated, the impact load borne by the mold is reduced, the loss and the failure rate of the mold are reduced, and the service life of the mold is prolonged; and the equipment maintenance frequency and cost are reduced, the production efficiency is improved, the equipment operation reliability and stability are improved, thermal deformation during part machining is reduced, the quality and machining precision of stamped parts are improved, high-quality development of the stamping technology is promoted, and the product competitiveness is improved.

This invention discloses a kelp shredding device, belonging to the field of cutting technology. Its key technical features include a first mounting plate and a second mounting plate, both containing a cutting mechanism. This addresses the problems of existing kelp shredding machines that often employ a roller-shaft structure with straight or simply curved blades. These machines lack tangential engagement at the blade-kelp contact point, leading to slippage, poor feeding, and high cutting resistance. This results in low shredding efficiency and can cause the kelp plate to shift due to slippage, resulting in issues like blade overlap, uneven thickness, and burrs. Furthermore, the blades are directly subjected to impact loads, causing rapid wear and requiring frequent blade replacement and adjustment, leading to high maintenance costs. Additionally, these machines are difficult to adapt to kelp raw materials of different thicknesses and moisture levels, resulting in poor shredding quality stability and an inability to meet diverse processing needs.

The invention discloses a complex wind regime identification method based on deep learning, and particularly relates to the technical field of wind regime identification, and the method comprises the five steps: collecting the original data of a three-dimensional wind field through an X-band laser wind measurement radar; data preprocessing is completed through signal processing and edge calculation; constructing a composite model of a convolutional neural network and a long-short-term memory network, and training and optimizing in combination with transfer learning; outputting identification results of the type, the strength and the trend of the wind regime; and triggering a three-level grading safety protection strategy. The complex wind regime recognition method based on deep learning has the specific effects that data acquisition is accurate and comprehensive, processing is efficient and low in delay, the model recognition accuracy is larger than or equal to 95%, prediction can be carried out 30 minutes in advance, safety and efficiency balance is achieved through graded protection, and the method is suitable for complex wind fields on the sea, high altitudes and the like; operation safety of the fan can be effectively guaranteed, and the service life is prolonged.

The present invention discloses an automatic control crank gantry press and a control method thereof, which mainly relate to the field of hydraulic presses. It comprises a gantry frame arranged on the ground, a clamping mechanism symmetrically arranged on the gantry frame, a cushion block, a trolley, and a plurality of trolley positioning mechanisms arranged below the frame; the trolley carries a bicycle frame, the trolley positioning mechanism limits the trolley, the cushion block cooperates with the mounting hole of the bicycle crank, the clamping mechanism on the gantry frame presses the trolley in the center, and the cushion block is used to increase the contact area between the crank and the clamping mechanism. The beneficial effects of the present invention are: the device is used in the process of assembling the bicycle crank and the middle shaft, the assembly accuracy is high, the assembly process is safer, the manual operation is greatly reduced, the originally uneven crank surface is increased by the cushion block to increase its force range, so that the force is more uniform and the assembly effect is better, and it can be pressed along the middle shaft direction during the clamping process.

The utility model discloses a propellant powder storage and transfer packing box, which comprises an outer box body, an internal installation body and a propellant powder sample tank, the internal installation body is installed inside the outer box body, a plurality of installation grooves are arranged on the internal installation body, spring pressing sheets are arranged at the bottoms of the installation grooves, and the spring pressing sheets are arranged in the installation grooves. And the propellant powder sample tank is inserted into the mounting groove. A good storage environment can be provided for the propellant powder temporarily selected in the field, the propellant powder is effectively prevented from being affected with damp and going bad, and the adopted anti-static protection technology can prevent fire disasters caused by friction fire in the transportation process of the propellant powder.

The utility model relates to the technical field of brown granulated sugar homogenizing, and discloses a brown granulated sugar homogenizing device which is characterized in that a shearing cavity is formed in the upper end of a box body, a processing cavity is formed in the bottom of the box body, a cam vibration screening structure linked with a homogenizing roller is arranged, and four corners of the bottom of a screening plate are connected with the processing cavity through vibration springs; when a servo motor drives a homogenizing roller to rotate, a second belt wheel drives a first belt wheel to rotate through a transmission belt, a cam rotates along with a driving rod and periodically jacks up a material screening plate, the material screening plate generates regular vibration under the elastic reset effect of a vibration spring, and a screening mechanism is synchronously driven through power of a homogenizing roller transmission chain. A vibration motor does not need to be additionally arranged, flexible vibration screening is achieved through cooperation of the cam and the vibration spring, the noise problem caused by rigid vibration is avoided, sugar particles are dispersed through vibration of the screening plate, screen holes are prevented from being blocked due to adhesion, and the screening efficiency is improved.

The invention discloses a welded bearing retainer which comprises a first ring beam, a second ring beam and a plurality of bent window beams, and pocket holes used for installing rotating bodies are formed between every two adjacent bent window beams and the first ring beam and between every two adjacent bent window beams and the second ring beam in a surrounding mode. The bent window beam comprises a bent part as well as a first part and a second part which are symmetrically arranged at two ends of the bent part; first oil passing grooves are formed in one sides, facing the pockets, of the first ring beam and the second ring beam; the sides, facing the pockets, of the first part and the second part are provided with first pressing slopes, each bent part comprises a linear section and bent sections at the two ends of the linear section, the sides, facing the pockets, of the bent sections are provided with second pressing slopes, the sides, facing the pockets, of the linear sections are further provided with oil passing slopes, and oil passing gaps are formed between the oil passing slopes and the rotating body. And the bending section is provided with an arc-shaped bending structure. By adopting the structure, the flowability of lubricating grease can be improved, the lubricating effect of the retainer is improved, the rotating friction loss is reduced, and the durability and safety of the whole bearing structure are improved.