22results about How to "Guaranteed wear" patented technology

The invention belongs to the technical field of plate feeding, and particularly relates to a plate feeding device for furniture and bathroom manufacturing, which comprises a conveyor, a guide table is arranged on one side of the conveyor, and a plurality of universal balls are arranged on the guide table. The automatic lubricating device further comprises an auxiliary pushing mechanism, a plate weight detection feedback mechanism, a conveying force regulation and control mechanism, an automatic lubricating mechanism, an air blowing cleaning mechanism, a lubricating triggering mechanism and a PLC. The weight of plates can be synchronously detected and fed back during material pushing, then the conveying force of the conveyor is automatically adjusted and controlled through the conveying force adjusting and controlling mechanism, lubricating operation on a chain of the conveyor can be triggered at intervals, abrasion of the chain is reduced, noise generated when the chain works is lowered, the service life of the chain is prolonged, and the service life of the conveyor is prolonged. And the lubricating frequency can be automatically regulated and controlled based on the tensioning degree of the chain, and the higher the tensioning degree is, the higher the lubricating frequency is.

The utility model discloses a bracketless invisible appliance with pressure ridges, which comprises a first pressure ridge and a second pressure ridge, the first pressure ridge and the second pressure ridge are respectively arranged on the lip side of central incisor, and a third pressure ridge and a fourth pressure ridge are arranged on the right side of the second pressure ridge. According to the bracket-free invisible orthodontic appliance with the pressure crests, the first pressure crests and the second pressure crests are designed at the specific positions of the bracket-free invisible orthodontic appliance, such as one third of the neck of a tooth, according to orthodontic requirements, and the shapes, the sizes and the positions of the pressure crests are accurately calculated, so that the orthodontic requirements of specific teeth are met; the pressure crests are in contact with the tooth surface through a convex surface formed on the appliance and apply force in a specific direction and magnitude, so that accurate control on tooth torque is realized, tooth movement is closer to ideal root control movement, and the problems of bad movement of tooth roots, tooth root bone windowing and bone cracking are solved.

The utility model relates to a tread pattern structure of an all-steel truck tubeless radial tire. The tread pattern structure comprises a tire tread, transverse patterns and longitudinal patterns, wherein the transverse patterns and the longitudinal patterns are arranged on the tire tread; the tire tread is composed of ten equal segmented molds, four straight grooves, four S-shaped variable groove bottoms and three pattern blocks are arranged on the tire tread, transverse and longitudinal streamline shallow groove staggered design is arranged on each pattern block, full-arc transition design is adopted for the groove bottoms, and thermometer type heat dissipation shoulder grooves are distributed in the shoulder of the tire. The functional warning effect is achieved while heat dissipation of the shoulders is improved, and diseases caused by the problem that the shoulders generate heat are avoided. Compared with the prior art, the tire adopting the pattern form provided by the utility model has the advantages that the appearance is more beautiful and smoother, the layering sense is realized, the wear resistance is higher, the eccentric wear resistance is higher, and the failure rate is lower.

The utility model discloses a deformable massager which comprises a flexible connecting piece, a massage assembly and a flexible shell, and the flexible connecting piece can deform under the action of force; at least one end of the flexible connecting piece is connected with a massage assembly; and the flexible shell covers the peripheries of the flexible connecting piece and the massage assembly. According to the deformable massager, the flexible connecting piece is arranged to deform to achieve clamping so as to improve the wearing stability, the massage component is used for massaging the massage part, and the deformable massager can easily meet the massage requirements of different parts.

The invention relates to the technical field of center surface coiling and splitting machines, and discloses an automatic feeding structure of a center surface coiling and splitting machine, the automatic feeding structure comprises an air expansion shaft for fixing coil stock and two parallel support plates, and the positions, close to the two ends, of a shaft body of the air expansion shaft are fixedly sleeved with positioning bearings. Rigid collision between the conversion gear and the tensioning gear is avoided through elastic rotation of the conversion gear, additional abrasion between the tensioning gear and the conversion gear is avoided, meanwhile, the whole conversion gear rotates around the axis of the magnetic resistance gear relative to the magnetic resistance gear, collision between the conversion gear and the magnetic resistance gear is avoided, and the transmission efficiency is improved. The limiting oil cylinder drives the movable rod to stretch out and draw back to drive the rotating block, the conversion gear and the magnetic resistance gear to rotate or move, the meshing relation is changed, the meshing face of the magnetic resistance gear is changed, the service life of the magnetic resistance gear is prolonged, the transmission precision and stability of the magnetic powder brake are guaranteed, and the follow-up roll material slitting quality is guaranteed.

This utility model relates to a silicon carbide crystal boat, comprising two end plates arranged opposite each other, and a grooved bar disposed between the end plates. Each end plate is composed of region A, region B, and region C. Region A has two evenly spaced circular holes. A foolproof hole is located at the center of the lower edge of region C of one end plate. Regions B and C each have three circular holes. A handle is also provided on the outer side of region B of the end plate. The diameter of the circular holes is 20-35 mm. This silicon carbide crystal boat is a complex structural component formed integrally and then perforated. Through innovative end plate partitioning and optimized circular hole topology, thermal stress reduction is achieved, providing a core guarantee for the long lifespan and low defect rate operation of the silicon carbide crystal boat in high-temperature semiconductor processes.

The invention relates to an induction type shared electric vehicle, and aims to solve the problems of potential safety hazards and inconvenience of an existing shared electric vehicle. The design of the electric vehicle comprises a basket and a helmet locking system, and safe storage and disinfection of the helmet are ensured by utilizing magnet adsorption and an identity sensing chip; the basket cover and the protection pad cover are provided with an intelligent lock system, dust and garbage are prevented from entering, and sanitation of the seat is protected; the built-in charging treasure box is used for emergency charging of a rider; a proximity sensor, a temperature detector and a wireless charging function are integrated in the helmet, so that the user experience is improved. In addition, the bicycle body is further provided with a folding pedal, a mobile phone charging module and a ventilation and waterproof design, and riding safety and comfort are enhanced. The shared electric vehicle is simple in structure and convenient to use, and the convenience and safety of the shared electric vehicle are effectively improved.

This invention belongs to the field of functional textile materials and provides a cooling and antibacterial polyester fabric and its preparation method. The invention employs a melt-blended spinning design of a thermally conductive antibacterial core-shell masterbatch and a polyester matrix. The masterbatch uses a zinc oxide submicron rod-shaped inorganic core as its core, coated with a silane coupling layer and a quaternized copolyester shell. During fiber drafting, the one-dimensional zinc oxide rods are aligned axially, significantly improving the longitudinal thermal conductivity of the fiber and enhancing the instantaneous cooling sensation upon contact. Simultaneously, the quaternized copolyester shell exhibits good compatibility with the polyester matrix, constructing a dense, wash-resistant, and antibacterial network. This achieves synergistic optimization of high-strength, fine-denier spinnability with high-filler thermal conductivity, durable antibacterial properties after 50 machine washes with a soft and comfortable feel, and high functionalization efficiency with low migration safety. It resolves the technical contradictions in existing polyester fabrics regarding thermal conductivity and cooling sensation versus antibacterial durability, functionality versus safety, and processability versus comfort, and has broad application value in areas such as intimate apparel and bedding.

This invention discloses a method, apparatus, equipment, and medium for preventing steel pile-up in a coiler, belonging to the field of metallurgical industry technology. The method includes: obtaining the position of the lower pinch roll, and a first lateral movement speed of a hydraulic cylinder on the drive side and a second lateral movement speed of a hydraulic cylinder on the operating side of the lower pinch roll, wherein the hydraulic cylinders drive the lower pinch roll to move laterally; determining the lateral movement state of the lower pinch roll based on the position, the first lateral movement speed, and the second lateral movement speed, wherein the lateral movement state includes a stable lateral movement state and an unstable lateral movement state; when the lower pinch roll is in the unstable lateral movement state, adjusting the first lateral movement speed or the second lateral movement speed until the lower pinch roll is in the stable lateral movement state, so that the strip can be threaded normally. This method can improve the stability of the lower pinch roll lateral movement process, reduce the occurrence of strip failure to be threaded normally, and thus reduce steel pile-up accidents.

The invention discloses seamless knitted pants and a weaving process thereof. The weaving process comprises the following steps: 1, selecting polyamide fibers, tencel, bamboo pulp fibers and synthetic fibers, and soaking, drying and reeling the polyamide fibers, the tencel, the bamboo pulp fibers and the synthetic fibers; 2, combining the polyamide fiber and the bamboo pulp fiber, and weaving the polyamide fiber and the bamboo pulp fiber with tencel by using a weaving machine to form seamless cloth; 3, cutting, weaving and sewing the seamless cloth; 4, the synthetic fibers are further woven, trimmed and ironed at the knees and the crotch through a weaving machine, and finally the seamless knitted pants are manufactured. According to the knitted pants, by means of the polyamide fibers and the bamboo pulp fibers, the knitted pants have better moisture absorption and air permeability on the basis of being rich in wear resistance, and the knitted pants have good air permeability and drooping feeling when worn by a user; meanwhile, synthetic fibers are further woven on the interiors and the exteriors of the knees and the crotch of the woven knitted pants through a weaving machine, so that the wear resistance of the knitted pants is improved while the elasticity of the knitted pants is enhanced.

The utility model discloses a flat die granulator which comprises a machine body and a vertical main shaft arranged on the machine body, a flat die is arranged at the upper end of the main shaft and is fixed by a nut and a key, a conical press roll is arranged on the upper edge of the flat die, a press roll shaft is jacked by a jackscrew on the machine body, an anti-sliding groove is arranged outside the conical press roll, and the large end of the anti-sliding groove is closed. A stock bin is arranged above the machine body and the flat die, and a jackscrew is arranged outside the stock bin and abuts against the upper face of the outer end of the pressing roller shaft. The lower end of the vertical main shaft installed on the machine body is provided with a speed reducing mechanism connected with a motor. Compared with a cylindrical compression roller, the flat-die granulator adopts the conical compression roller, so that the relative speed of the compression roller and the flat die is reduced, the extrusion force applied to materials is larger, the yield and the quality of granules are improved, and the jackscrew on the granulator body limits the gap between the conical compression roller shaft frame and the flat die, so that the production efficiency is improved. Therefore, the gap between the compression roller and the flat die can be adjusted without depending on experience and feeling after the machine is started, and the adjusting screw on the stock bin can be directly screwed down.

The utility model relates to a tread pattern structure of an all-steel truck tubeless radial tire. The tread pattern structure comprises a tire tread, transverse patterns and longitudinal patterns, wherein the transverse patterns and the longitudinal patterns are arranged on the tire tread; the tread of the tire is composed of ten equal segmented molds, three zigzag grooves are formed in the tread, the bottoms of the three zigzag grooves, the bottoms of the two sides and the groove surfaces change angles to form variable-angle groove walls, the groove wall of the middle groove is designed in a stepped mode, the tread is designed by adopting hexagonal pattern blocks, transverse and longitudinal shallow grooves are designed in a staggered mode on each pattern block, and the width of each pattern block is larger than that of the middle groove. The groove bottom adopts a full-arc transition design, and the thermometer type heat dissipation shoulder grooves are distributed in the shoulder of the tire, so that the shoulder heat dissipation is improved, the functional warning effect is achieved, and the disease caused by the shoulder heat generation problem is avoided. Compared with the prior art, the tire adopting the pattern form provided by the utility model has the advantages that the appearance is more beautiful and smoother, the layering sense is realized, the wear resistance is higher, the eccentric wear resistance is higher, and the failure rate is lower.

The invention discloses an automatic glass glue feeding robot, which relates to the field of glass processing. The automatic glass glue feeding robot comprises a hydraulic cylinder and a fixed column, the side wall of the hydraulic cylinder is fixedly connected with a fixed plate, the fixed column is fixedly connected to the side of the fixed plate away from the hydraulic cylinder, a first slide groove is provided at the bottom of the fixed column, a mechanical arm is slidably connected to the first slide groove, a telescopic rod is provided at the output end of the hydraulic cylinder, the telescopic rod passes through the side wall of the first slide groove and passes through the first slide groove to be fixedly connected to the side wall of the mechanical arm, a sliding assembly is provided at the top of the mechanical arm, and a double guide rail assembly is provided at the bottom of the fixed column. The automatic glass glue feeding robot reduces the sliding resistance of the mechanical arm, so that the mechanical arm moves more smoothly without jamming. In addition, by providing the double guide rail assembly, it is ensured that when the mechanical arm moves, the movement trajectory will not be offset, the wear between the mechanical arm and the fixed column is reduced, and the stability of the device is ensured.

The invention discloses a two-degree-of-freedom helicopter predefined time fault-tolerant tracking control method, which comprises the following steps of: establishing a two-degree-of-freedom helicopter dynamical model containing external disturbance and actuator faults, constraining a system state by constructing a time-varying Barrier Lyapunov function, and fusing optimization control based on reinforcement learning into backstepping control, so that the two-degree-of-freedom helicopter is subjected to time-varying fault-tolerant tracking control. The method comprises the steps of designing an optimal virtual controller, designing an optimal tracking controller by adopting a control method based on a mixed zero-sum game theory aiming at an actuator fault and composite disturbance, and relieving communication burden by adopting a dual-channel event triggering mechanism comprising a controller-actuator and a sensor-controller. The controller designed by the invention can ensure that all signals of the whole two-degree-of-freedom helicopter are bounded within the preset time, and ensure that the two-degree-of-freedom helicopter can still quickly and accurately track a reference trajectory within the preset time under the constraint of actuator faults and states.

The utility model relates to the technical field of building engineering safety, and discloses a building safety warning device which comprises a gate machine body, a gate rod, a face recognition screen and a fingerprint recognition plate are arranged on the gate machine body, the building safety warning device further comprises a cabinet body located on one side of the gate machine body, and at least one evenly-arranged containing groove is formed in the cabinet body. Safety helmets are arranged in the placing grooves, prompting lamps are arranged below the placing grooves in the cabinet body, and a face recognition module, a fingerprint recognition module and a gate driving module which are electrically connected with the face recognition screen, the fingerprint recognition plate and the gate rod are arranged in the gate body; a central control module electrically connected with the gate driving module and a database electrically connected with the central control module are arranged in the cabinet body, and the central control module is electrically connected with the prompt lamps. Compared with the prior art, the safety helmet is advantageous in that whether a constructor wears the safety helmet according to regulations before entering a construction site can be checked.

The present invention relates to the field of electric heating gloves, a highly wear-resistant and waterproof cycling heating glove, comprising a glove body, wherein the glove body is sequentially composed of a waterproof and wear-resistant outer layer, a heat-insulating layer, a heating layer and an inner layer from the outside to the inside; the heating layer is distributed in the form of strips inside the back of the hand of the glove body; a wear-resistant and shock-absorbing rubber pad is provided at the palm of the outer surface of the glove body; a wear-resistant and anti-skid layer is provided on the front of the fingers of the outer surface of the glove body; the wear-resistant and shock-absorbing rubber pad and the wear-resistant and anti-skid layer are both adhered to the outer surface of the glove body by epoxy resin; the surface of the wear-resistant and shock-absorbing rubber pad and the surface of the wear-resistant and anti-skid layer are both provided with wear-resistant and anti-skid convex points; a battery bag, a zipper, a storage battery, a temperature control module, etc. are provided on the back of the hand of the back of the glove body. The present invention realizes waterproof, wear-resistant and self-cleaning by treating the outer layer of the polyester fabric with fluorine-free sol, and combines the dandelion-shaped alumina-modified composite rubber wear-resistant and anti-skid layer and the wear-resistant and anti-skid convex point design to comprehensively improve the waterproof, wear-resistant, anti-skid and comprehensive performance of the gloves.

This utility model belongs to the field of machining technology and discloses a forming lathe tool. The forming lathe tool includes a tool head and an insert. The tool head includes a proximal end, a middle part, and a distal end connected in sequence. The proximal end and the middle part are both frustum-shaped, with the small end face of the proximal end coinciding with the small end face of the middle part. The distal end includes a proximal end face, a distal end face, and an arcuate side surface disposed between the proximal end face and the distal end face. The radius of the proximal end face is larger than the radius of the distal end face, and the proximal end face coincides with the large end face of the middle part. The periphery of the tool head has a cutting edge that penetrates the proximal end, the middle part, and the distal end, extending to the distal end face. The insert is fitted onto one side surface within the cutting edge, and the cutting edge line of the insert protrudes beyond the cutting edge. The forming lathe tool provided by this utility model can complete the inner liner machining of a ball end in one pass, effectively improving machining efficiency, reducing machining costs, ensuring machining quality, and minimizing insert wear, thus effectively extending the service life of the forming lathe tool.

The invention relates to the technical field of collector rings, and discloses a collector ring structure and a motor, the collector ring structure comprises a collector ring main body, the collector ring main body comprises a plurality of copper rings which are sequentially arranged at intervals along the axial direction, the inner side of each copper ring is integrally punched and molded with a lead, and the plurality of leads are arranged at intervals along the circumferential direction; one end of each lead extends out of the collector ring body and is folded outwards to form a horizontal part, the horizontal parts are arranged perpendicular to the axial direction, the horizontal parts are located on the same horizontal plane, the length size of the horizontal parts is larger than the size of the collector ring body in the axial direction, and the low-cost requirement, the low-noise requirement and the long-service-life requirement of a motor can be met at the same time.

The invention discloses a multi-mode chest wall oscillation sputum excretion device which comprises a vest, a plurality of fixing boxes are arranged on the inner side of the vest, driving mechanisms, oscillation mechanisms and vibration mechanisms are arranged in the fixing boxes, and the oscillation mechanisms and the vibration mechanisms are used for promoting sputum excretion; the oscillating mechanism comprises a rotating disc, and a plurality of oscillating rods are fixedly connected to the outer side of the rotating disc at equal intervals and used for beating the chest wall of the patient. The device can be worn outside the chest wall of a patient to be used, when the device runs, on one hand, the fixed box can make constant-speed and continuous flapping through the swing rod, and then regular oscillation is generated outside the chest wall of the patient, and on the other hand, the fixed box can make the second base move to pull the first base through the magnetic attraction effect between the magnet blocks, so that the first base is fixed to the chest wall of the patient. The fixing box is arranged on the chest wall, so that irregular vibration is generated under the action of the spring, the fixing box can generate oscillation and vibration at the same time, and the effect of promoting sputum to be discharged is achieved by acting the two operation modes on the chest wall.

The utility model relates to the technical field of electric induction proximity switches, in particular to a modularized inductance type proximity switch. The device comprises a base, a shielding cover is arranged below the base, an on-site indicator is arranged below the shielding cover, and a transmission shaft is vertically installed in the on-site indicator; an upper cover connected with the base is arranged on the base, an induction disc assembly connected with the transmission shaft is arranged in the upper cover, and an inductance type proximity switch module group is arranged in the base; the device adopts a modularized functional component structure and is provided with a field indicator and signal output, so that the opening and closing states of the valve are conveniently observed on site or remotely; according to the device, the position of a target inductor can be manually adjusted, and on-off state monitoring at any angle is facilitated; due to the design of the shaft sleeve and the sealing ring, the sealing performance of the shaft is kept after the shaft is used for a long time, and it is guaranteed that the shaft is not greatly abraded after long-time work; according to the device, different types of inductance type proximity switches can be used according to field requirements, and the requirements of various automatic control systems are met.

The utility model provides a kind of composite material pipe with wet abrasion resistance test tool, including sink, for holding seawater;At least two fixed clamps are provided at the bottom of the sink, for fixing composite material pipe, the inside hollow of composite material pipe and at least partial inner wall surface is immersed in seawater;Composite material pipe with wet abrasion resistance test tool further includes portal frame, cable, the cable passes through from the inside of the composite material pipe, drive motor is provided on the portal frame, for driving cable reciprocating motion.The utility model utilizes cable and the abrasion of composite material immersed in seawater to simulate marine working condition, quickly evaluate the wear resistance of material, provide powerful data support for material optimization;By changing the distance between first fixed plate and second fixed plate to adjust the tension of cable to simulate offshore working condition, satisfy the wear resistance research under different marine working condition.

The utility model provides a sealing structure of a shaft body and a double-rotor flow meter applying the sealing structure, and particularly relates to the technical field of mechanical sealing. The sealing structure of the shaft body comprises a shell, the shaft body and a sealing assembly. A connecting part is arranged at the end part of the shaft body, the connecting part is rotationally connected to the shell through a rotating part, and at least one limiting surface is arranged at one end, close to the connecting part, of the shaft body; the sealing assembly is located between the radial outer side of the connecting part and the shell and comprises a sealing ring base, a movable sealing ring, a static sealing ring and an elastic piece. The sealing ring seat is sleeved on the connecting part; the dynamic and static sealing rings are arranged on the sealing ring seat and are positioned between the limiting surface of the shaft body and one end surface of the sealing ring seat; and the elastic piece is positioned between the other end face of the sealing ring seat and the rotating part. The double-rotor flowmeter can effectively solve the problem that in the actual using process of a double-rotor flowmeter in the prior art, the sealing effect is poor due to the fact that a sealing structure of the double-rotor flowmeter is prone to abrasion.