33results about How to "Extended structural life" patented technology

The application discloses a top-opening drum washing machine inner drum positioning method and a washing machine. The method comprises the following steps: after setting a washing program, the inner drum is controlled to rotate at a preset low speed; the rotation angle of the inner drum is collected and the deviation of the rotation angle from a target angle is calculated; the motor speed is controlled by PID closed-loop regulation with feedforward compensation based on the deviation, wherein the feedforward compensation amount is calculated according to the load weight, the speed fluctuation and / or the deviation change rate; when the deviation is less than a preset threshold, segmented braking is performed until the inner drum is locked at the target angle position; if the locking fails, the inner drum is reversely rotated to a preset angle, and the segmented braking is retried with corrected braking parameters. The application combines PID regulation with feedforward compensation and segmented braking, introduces a failure retry and parameter self-adaptive correction mechanism, and realizes high-precision, impact-free and high-reliability positioning of the inner drum.

The utility model discloses a novel mechanism for forming a vertical angle. The fabric lifting, rotating and clamping mechanism comprises a mounting base material, a lifting assembly, a rotating assembly and a clamping assembly, the lifting assembly is mounted on the mounting base material and used for lifting control during clamping, the rotating assembly is mounted on the lifting assembly and used for clamping, rotating and discharging control, and the clamping assembly is mounted on the rotating assembly and used for clamping, rotating and discharging control. The clamping device is used for clamping the formed vertical angle of the fabric; according to the three-dimensional fabric forming machine, the fabric lifting, rotating and clamping mechanism and the fabric three-dimensional forming mechanism are arranged, the two modularized mechanisms are matched to conduct vertical angle forming and clamping on fabric, the structure is simple, the requirement for light weight is met, cost is saved, and the stability of the whole structure is improved; the structure is longer in service life, accessories are more convenient to assemble and replace, the fabric forming effect is improved, and the yield is increased.

The utility model discloses a kind of magnetic shaft structures that can sound, including base, the upper cover being set on base, the guide core being movably set between base and upper cover, and the elastic member being sleeved between base and guide core, further including the magnet being sleeved on the bottom of the guide core, the lower end of guide core is formed with magnetic installation groove, the middle part of magnetic installation groove is formed with the sound column extending towards base direction;Magnet is overall circular ring column shape, it is embedded in the magnetic installation groove, wherein hollow part is sleeved on the periphery of sound column;The lower end of sound column penetrates through magnet lower end surface and continues to extend downward, and its downward extending portion is impacted base to sound under the action of external force.The utility model provides a kind of magnetic shaft structures that can sound, guide core is impacted on base when being pressed and moved downward, magnet is sleeved on guide core, so as to realize good sound effect in the case where magnet is not damaged and the transmission accuracy is guaranteed, improve the use experience of user.

The invention provides a high-thermal-conductivity isostatic pressing graphite preparation system and method, and relates to the technical field of press machines. The preparation system comprises a feeding device and an isostatic pressing machine, the isostatic pressing machine comprises a high-pressure container, the interior of the high-pressure container is divided into a plurality of cavities from top to bottom, the cavities are in a cuboid shape, the side portions of the cavities are provided with pressurizing and pressure relief systems for controlling the pressure of the cavities to rise and fall, an inserting plate is arranged between every two vertically-adjacent cavities in a sliding mode, and a pressure equalizing pipe is communicated between every two vertically-adjacent cavities. And a valve, a buffer component and a throttling component are arranged on the pressure equalizing pipe. The preparation method comprises the following steps: crushing and grinding raw materials to obtain powder; filling the powder into an elastic mold and sealing; the elastic mold is put into an isostatic pressing machine for isostatic pressing forming; sequentially carrying out primary roasting, dipping, secondary roasting, graphitization and cooling on the formed material to obtain isostatic pressing graphite; and after graphite is cleaned and dried, graphene coating is sprayed and cured. The production efficiency of isostatic pressing graphite is improved by improving the working efficiency of the isostatic pressing machine.

The utility model discloses a conveying belt deviation rectifying device and a belt conveyor. The conveying belt deviation rectifying device comprises two catch wheel sets arranged on the two sides of a conveying belt respectively, a deviation rectifying assembly arranged on one side of the conveying belt and an adjusting roller arranged on a conveying frame. The deviation rectifying assembly is connected with the catch wheel set and the adjusting roller, the catch wheel set abuts against the conveying belt to be used for detecting the deflection condition of the conveying belt, and the deviation rectifying assembly adjusts the angle of the adjusting roller to offset deflection of the conveying belt when the conveying belt deflects. The deflection condition of the conveying belt is detected through the catch wheel set, the posture of the deviation rectifying assembly is adjusted to offset the deflection of the conveying belt when the conveying belt deflects, and therefore it is guaranteed that the conveying belt does not collide with the machine frame, conveying equipment is kept in a stable running state, and the tobacco material conveying efficiency is guaranteed.

An arm assembly and humanoid robot, the arm assembly comprising a first housing, a first driving mechanism, a second housing, a second driving mechanism and a first cable, the first housing comprising a main body shell, a first cantilever and a second cantilever, the main body shell having a first space, the first cantilever and the second cantilever being connected with the main body shell; the first driving mechanism comprising a first driving member, the first driving member being accommodated in the first space; the second housing being rotatably connected with the first cantilever, the second cantilever and the first driving mechanism, the second housing having a second space; the second driving mechanism comprising a second driving member, the second driving member being accommodated in the second space; the first cable being connected with the first driving member and the second driving member, a first wire channel of the first cantilever being in communication with the first space, a second wire channel of the second housing being in communication with the second space and the first wire channel, the first cable being arranged in the first wire channel and the second wire channel, so as to avoid the first cable from affecting the freedom of movement of the arm.

The utility model provides a switching structure, switching module and water outlet device, including water diversion disk and mounting seat, the mounting seat is equipped with the water diversion piece, the water diversion disk is rotatingly installed relative to the water diversion piece, the water diversion disk and the water diversion piece form relative rotation through the shift operation to enter the next gear. A rotary separation assembly is arranged between the water distribution disc and the installation base, the water distribution disc and the water distribution piece are in a separated state through the rotary separation assembly in the initial stage of gear shifting operation, and the water distribution disc and the water distribution piece are recovered to be in an attached state in the end stage of gear shifting operation. According to the switching structure provided by the utility model, the rotary separation assembly is arranged, so that the water distribution disc can be separated from the water distribution piece when the water distribution disc rotates to switch gears, the influence of hydraulic power on the water distribution disc can be reduced, and the friction force between the water distribution disc and the water distribution piece can be eliminated, so that the force required for driving the switching structure to perform switching action is greatly reduced; and the fluency of the switching action of the switching structure is improved.

The utility model discloses an offshore navigation mark, including buoy main part, metal frame structure and tail cylinder, buoy main part is cylindrical tank body, and its top fixedly connected metal frame structure, metal frame structure adopts the lattice design, and the top is equipped with solar panel frame and navigation mark lamp, and the inside of buoy main part is equipped with at least two and is arranged in the upper and lower through -going accommodating cavity, and the fixed welding of each accommodating cavity has data acquisition equipment cabin, and the bottom of data acquisition equipment cabin is more than the bottom surface of buoy main part, and the bottom welding of buoy main part tail cylinder, and the tail cylinder end is connected through the flange bolt counterweight ring, forms the layered bearing structure from top to bottom. The utility model discloses utilize cylindrical buoy main part to provide even force shell, and the standardized interface in data acquisition equipment cabin supports multi -type sensor plug and play. The lattice design of metal frame evenly transmits top equipment load to main base, prolongs the structure life, and improves structural layout rationality.

This invention provides a flow-diverting device, a heat exchanger structure, and an air conditioner, belonging to energy-saving refrigeration and air conditioning equipment. The flow-diverting device includes a flow-diverting plate structure with flow-diverting channels. Each flow-diverting channel has a first heat exchange medium inlet and N1 first heat exchange medium outlets. The flow-diverting channels divide the heat exchange medium at the first heat exchange medium inlet into N1 streams, which are then discharged one-to-one from the N1 first heat exchange medium outlets. The flow-diverting plate structure also includes a heat insulation structure, which separates the flow-diverting plate structure into two or more different heat insulation regions. The flow-diverting plate structure also includes a set flow path, which allows the heat exchange medium to flow into the heat exchanger and discharges the flowing heat exchange medium. The set flow path and the flow-diverting channels are respectively located in different heat insulation regions. According to this invention, parasitic heat conduction can be reduced, effectively decreasing the heat exchange between the heat exchange medium in the set flow path and the flow-diverting channels through the plate of the flow-diverting plate structure.

This utility model discloses a sound absorption and noise reduction structure for a vacuum cleaner, including an airflow channel pipe. One end of the airflow channel pipe is snapped into a vacuum cleaner connector. Dust chamber shell one and dust chamber shell two are respectively attached to both sides of the airflow channel pipe. The mating surfaces of dust chamber shell one and dust chamber shell two are snapped into each other, and a handle ring is snapped into the outer side of the dust chamber shell one near the vacuum cleaner connector end, and a limit ring is snapped into the outer side of the dust chamber shell one away from the handle ring end. A dust chamber shell cover is snapped into the top of dust chamber shell one and dust chamber shell two. Heat dissipation holes are opened on the bottom side of each dust chamber shell one and dust chamber shell two, and a motor assembly is fixedly connected inside the corresponding heat dissipation holes. Through the integrated design of airflow channel optimization, vibration isolation, composite noise reduction and efficient heat dissipation, the acoustic performance of the vacuum cleaner is improved while ensuring heat dissipation efficiency and structural reliability, achieving a comprehensive technical effect of low noise and high stability.

The utility model relates to medical nursing equipment technical field, especially a medical bed leg part bed surface lifting structure. Including a push rod, a support sheet, in this structure, push rod sets up at the two sides of the thigh part bed surface place and is between the lug and drive motor, through the edge department waist type hole and lug articulates, through the edge department connecting hole and drive motor's output end connection, and the one side of support sheet and push rod pin joint, the other side and thigh part bed surface articulate, then the edge department waist type hole and middle part waist type hole between push rod, support sheet and thigh part bed surface between constitute a triangle structure, structure is more stable, leg part bearing is more excellent, can through drive motor push -and -pull push rod and adjust triangle size, to realize bed surface lifting. Install push rod and support sheet in the two sides of the thigh part bed surface place, and the space utilization is high, has reduced the space waste below the bed surface, has set up the bed surface more lowly while improved the security of medical bed.

The utility model relates to the technical field of building construction, in particular to a prefabricated column mounting and positioning device which is characterized in that a plurality of joint bars are arranged on the ground, two bottom plates are arranged on the two sides of the joint bars, limiting plates are arranged on the bottom plates, and first wear-resistant steel plates are detachably connected to the upper edges of the limiting plates; the lower side of the bottom plate is detachably connected with a second wear-resistant steel plate; a right splicing steel block is arranged on the side, close to the joint bar, of the bottom plate, a left splicing steel block is connected to the right splicing steel block, through grooves are formed in the inner sides of the left splicing steel block and the right splicing steel block, and the through grooves are matched with the joint bar; according to the device, through sliding grooves of a right splicing steel block and a left splicing steel block, the positions of a bottom plate and a joint bar are relatively fixed, and a prefabricated column is limited through a limiting plate, so that the prefabricated column can be accurately inserted into the joint bar; in order to avoid serious surface abrasion of the limiting plate, a first wear-resistant steel plate and a second wear-resistant steel plate are detachably arranged, and the service life of the device is prolonged.

The present invention relates to the field of welding automation control technology, and specifically to a welding trajectory analysis method for an electric welder, comprising the following steps: S1: capturing visual data and physical parameters in the welding process; S2: applying digital filtering technology to process the collected raw data; S3: extracting welding trajectory data from the processed visual data; S4: constructing a three-dimensional dynamic model of the welding trajectory to simulate the heat distribution and material flow in the welding process; S5: predicting the welding quality and automatically adjusting the welding parameters according to the prediction results; S6: adjusting the motion parameters of the welding head in real time according to the feedback of the machine learning model. The present invention realizes the real-time optimization and automatic adjustment of welding parameters by integrating machine learning technology and a closed-loop control system, significantly improves the welding quality and production efficiency, and at the same time enhances the data management and decision support functions, effectively improving the automation level and economic benefits of the entire welding process.

This utility model discloses a rainproof structure for a specially designed refrigerated container. The rainproof structure is installed on the threshold outside the bottom plate of the container. The structure includes a pad on the threshold and a rainproof plate covering the pad. The rainproof plate and the top surface of the threshold form a slope, making the inner height of the container higher than the outer height. The rainproof plate works in conjunction with the sealing strip of the container door to form a sealed structure, preventing rainwater from entering the container. The advantages of this utility model are: the composite slope design and sealing strip of this technical solution achieve zero leakage in heavy rain conditions, solving the problem of rainwater backflow in traditional side-opening refrigerated containers.

A main screw of the screw press is vertically arranged and rotationally connected with a machine body, a shaft hole is formed in the middle of the machine body, the main screw is connected in the shaft hole, a step groove is formed in the position, in the shaft hole, of the machine body, an axial connecting piece is arranged in the step groove, and the axial connecting piece is connected with the main screw. An oil storage groove is formed between the step groove and the axial connecting piece, an oil sealing ring is arranged at an opening of the oil storage groove in a sealed mode, an oil storage cavity is formed in the inner side of the oil sealing ring, and the oil storage cavity corresponds to the oil storage groove and is in communication connection with the oil storage groove. The diameter of the inner side edge of the oil sealing ring is smaller than that of the flange, and a rotary oil liquid gap is formed. The oil sealing ring is arranged to be of a groove structure with an oil storage cavity, a relative loop structure is formed through the clamping ring and the flange, oil liquid is prevented from overflowing through the tension of the liquid, abrasion caused by relative rotation friction is reduced, and the service life of the structure is prolonged.

A non-movement clamp for tensile testing of ultra-high strength steel bars includes an upper clamping block structure and a lower clamping block structure with similar structures. The upper clamping block structure includes an upper clamping block, an upper clamping shaft, an upper shaft cap, and an upper combined ring. The upper clamping block includes two semi-circular clamping blocks, and a combined ring step is provided on the outer side of the lower end of the semi-circular clamping blocks. The upper combined ring is fitted onto the outer side of the upper clamping block and contacts the combined ring step. The interior of the semi-circular clamping block has a sample mounting area and an upper clamping shaft mounting area that are connected vertically. One end of the sample is clamped in the sample mounting area. The lower end of the upper clamping shaft and the upper shaft cap are threaded together and clamped in the upper clamping shaft mounting area. The upper shaft cap contacts the end of the sample. The other end of the upper clamping shaft is connected to the wedge clamping end of the tensile testing machine. This utility model uses a combined ring to fix the clamping blocks together. The clamping block body has no structural damage. The sample limiting device composed of the upper and lower clamping shafts and the upper and lower shaft caps can limit the position according to the position of the sample, and has high applicability.

This invention relates to a two-dimensional electro-hydraulic servo valve driven directly by an eccentric shaft motor, comprising a spool valve assembly, a motor fixed to the top right side of the spool valve assembly, and a fork fixed to the right end of the valve core inside the spool valve assembly. The output shaft of the motor is an eccentric shaft, which is inserted into the valve body of the spool valve assembly, and the end of the eccentric shaft is embedded in a spherical bearing. The outer spherical surface of the spherical bearing is fitted into a groove on the upper part of the fork. This invention allows axial displacement caused by valve core rotation, preventing valve core jamming; it can generate a large valve core torque with a small torque input, exhibiting high response and long lifespan; the motor and linear displacement sensor are plug-in, facilitating installation.

The invention relates to the technical field of aerospace transportation, in particular to a vertical take-off and landing single-stage injection repeatable heaven and earth back-and-forth carrying method which comprises the following steps: preparing for vertical boosting launching, and simultaneously finishing all preparations before rocket launching; the vertical boosting launching device releases stored energy and boosts the rocket to accelerate; after boosting launching is completed, the rocket engine is ignited to take off and leave the boosting device; the rocket continuously accelerates to the orbit injection speed and then enters a preset orbit; the rocket is adjusted to be in a tail windward configuration needed by reentry, and the rocket is decelerated to enter a reentry window; a rocket enters the atmosphere with the tail nozzle taper plug outsole as a windward side, and the thermal protection capacity of the taper plug outsole is enhanced through a regeneration cooling structure in the taper plug outsole structure. And the rocket vertically lands to the original boosting launching rack and waits for a re-launching task at the original position. According to the invention, by constructing an integrated vertical take-off and landing, single-stage orbit injection, orbit reentry and in-situ recovery process, high-frequency, low-cost and flight-based operation of a sky-ground back-and-forth carrying task is realized.

The utility model discloses a kind of road reconstruction broadening reinforcement structures, including road along connecting plate, multiple horizontal positioning bolts are horizontally arranged on the road along connecting plate, the top of the road along connecting plate is rotatably installed with broadening plate, multiple bufferings are provided between the broadening plate and road along connecting plate, the bottom of the broadening plate is provided with multiple support reinforcement mechanism, the buffering includes semicircular metal piece and two inclined struts, two inclined struts are fixedly installed at the both ends of semicircular metal piece, two inclined struts are fixedly installed with broadening plate and road along connecting plate respectively, semicircular metal piece has arc-shaped buffer support force.The device has multistage cooperative reinforcement effect, vertical support: support mechanism bears vertical load, oblique reinforcement: buffering provides lateral support force, transverse fixation: horizontal bolt anchors road along, forms three-dimensional stress network, disperses load to road along and foundation, reduces local failure risk.

The application provides a track slab arching analysis method and system based on strength stability comprehensive theory, and relates to the technical field of health monitoring of high-speed railway ballastless track structure. The method comprises the following steps: obtaining track slab geometric dimensions, material properties and initial arching parameters; establishing a spatial mechanics model considering lateral block transverse constraint; applying equivalent temperature rise load to simulate temperature stress field and deformation field; calculating transverse constraint reaction force and equivalent temperature stress; inputting a strength stability comprehensive theory model to calculate comprehensive factors and strength stability factors; and combining critical condition to judge the arching critical state. The application introduces the strength stability comprehensive theory, integrates the strength failure of the track slab and the structural instability into the same analysis framework, and realizes the precise evaluation of the high-temperature arching critical state.

The application discloses a whole pouring method and structure of a blast furnace hearth instead of cooling wall, wherein the inner side of a furnace shell is directly provided with a lining formed by pouring high-thermal-conductivity unshaped refractory material; a plurality of holes are formed in the furnace shell, and cooling elements are arranged in the holes; one end of the cooling elements is embedded in and penetrates through the lining and is in close contact with the lining, so that the cooling wall is cancelled, air gap thermal resistance is avoided, the cooling elements are directly in contact with the high-thermal-conductivity refractory material, heat can be rapidly and directly transmitted to a cooling system, the cooling efficiency is greatly improved, and a protective slag iron shell is easily formed on a hot surface of the hearth; the whole pouring structure is free of any brick joint, and penetration and corrosion of molten iron and alkali metal are avoided; high thermal conductivity ensures that the temperature field of the lining of the hearth is uniformly distributed and thermal stress is small, and the risk of ring crack of the traditional structure is fundamentally eliminated; if abnormal corrosion occurs in a local region, the on-line repair can be carried out by using the pressing-in technology, maintenance cost is low, and the service life of one generation of blast furnace is prolonged.

The invention relates to a blast furnace hydrogen-rich blowing tuyere small sleeve structure which comprises a tuyere small sleeve body, a tuyere is arranged in the tuyere small sleeve body in a penetrating mode, the tuyere comprises a basic section and an expansion section which are sequentially arranged from an inlet to an outlet, and the starting end of the expansion section is located at the end position where a hydrogen-rich gas spray gun and the center line of the tuyere intersect. A first included angle is formed between the side wall of the upper part of the expansion section and the side wall of the upper part of the foundation section and is inclined outwards; a second included angle is formed between the side wall of the lower portion of the expansion section and the side wall of the lower portion of the foundation section and inclines outwards. According to the position of the hydrogen-rich gas spray gun, the expansion area is arranged to be of the expansion structure suitable for volume change, the tuyere diameter expansion operation and the diameter change operation are achieved at the same time, high adaptability can be achieved, the influence of volume increase on tuyere corrosion after hydrogen-rich gas injection is thoroughly avoided, and the service life of the blast-furnace tuyere small sleeve is greatly prolonged.

The utility model provides a transformer, a motor assembly and a vehicle. The transformer comprises a first machine shell, the first machine shell comprises a first bottom plate and a first side wall, the first side wall is arranged on the first bottom plate in a protruding mode, a first containing cavity is defined by the first bottom plate and the first side wall, and a first chamfering face and a first glue pouring opening are formed in the inner wall face, facing the first containing cavity, of the first side wall; the first chamfered surface is located at one end, far away from the first accommodating cavity, of the first side wall, the first chamfered surface is connected with the inner wall of the first glue pouring port, and the first glue pouring port is communicated with the first accommodating cavity; the first glue pouring opening is used for pouring glue so that the first magnetic core can be fixed in the first containing cavity, the width of the gap between the first side wall and the first magnetic core can be increased through the arrangement of the first chamfered face, the flowing space of the side, away from the first bottom plate, of the gap is increased, and the fluidity of the glue can be improved easily, and the first chamfered face is connected with the inner wall of the first glue pouring opening. Therefore, gas in the first glue filling port is easier to exhaust, glue filling is facilitated, and the assembling efficiency of the transformer is improved.

The utility model relates to a steel structure engineering technical field discloses a kind of large-span complex steel structure node connecting device, including bottom plate, the outer wall top of bottom plate is provided with buffer mechanism, the outer wall of bottom plate is fixedly connected with first steel piece, the outer wall of first steel piece is provided with fixed mechanism, the buffer mechanism includes first flange plate, the outer wall bottom of first flange plate is fixedly connected in the outer wall top of bottom plate, the outer wall top of first flange plate is fixedly connected with outer column, the outer wall top of outer column is fixedly connected with column cover, the inner wall slidingly connected with inner column of outer column. In the utility model, buffer mechanism contains first flange plate, upper connection outer column forms closed sleeve, outer column top installs detachable column cover, it is convenient to overhaul spring and lubricating component, maintains component alignment relationship, prevents sliding deflection, oil tank stores greases and reduces friction loss, relieves stress concentration phenomenon, improves structural safety and service life.

This utility model discloses a telescopic device comprising a telescopic arm and a drive mechanism. The telescopic arm includes several sequentially nested mechanical arms, with adjacent mechanical arms slidably connected. The outermost mechanical arm has a positioning part on its end face, and the innermost mechanical arm has a stop adapted to the positioning part. The output end of the drive mechanism is fixedly connected to the innermost mechanical arm, driving it to move away from the outermost mechanical arm. Under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby extending the telescopic arm. The drive mechanism also drives the innermost mechanical arm to move towards the outermost mechanical arm, and under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby retracting the telescopic arm. This utility model has the advantages of compact structure, long service life, adaptability to complex forces under heavy-load conditions, high structural strength, low power transmission loss, and smooth telescopic operation.

The invention relates to the technical field of coal bucket damping, and discloses a bearing type coal bucket damping structure used for improving the anti-seismic property of a main power house of a thermal power plant, the bearing type coal bucket damping structure comprises a bearing coal bucket, a supporting frame is installed on the periphery of the bearing coal bucket, and a plurality of supporting rods used for supporting the supporting frame are installed on the periphery of the supporting frame; supporting plates are mounted at the bottoms of the multiple supporting rods correspondingly, multiple first damping mechanisms which are evenly distributed are mounted in the middle of the supporting frame, second damping mechanisms are arranged in the multiple supporting plates correspondingly, mounting mechanisms are arranged on the sides, close to the supporting rods, of the supporting plates, and each first damping mechanism comprises a connecting block; the connecting block is connected to the middle of the supporting frame in a sliding mode. By adopting the design of the redundant hydraulic shock absorbers, the reliability and the stability of the system are enhanced: the main shock absorber plays a role in normal, the shock of the bearing coal bucket is effectively relieved, internal equipment is protected, and when the main shock absorber breaks down, redundant backup can be immediately intervened to ensure that the shock absorption function is continuous.

The utility model discloses an electric passenger car auxiliary filter screen frame which comprises a fixed frame (1), a detachable frame (2) and a middle layer filter screen (3), the middle layer filter screen (3) is arranged between the fixed frame (1) and the detachable frame (2), an indexing pin (4) is installed on the fixed frame (1) in a welding mode, and an indexing pin head (5) used for fixing / detaching the detachable frame (2) is arranged on the indexing pin (4). At least one indexing pin stopper (7) matched with the indexing pin (4) on the fixed frame (1) for use is mounted at the corresponding position of the detachable frame (2); the utility model has the beneficial effects that the filter cotton frame and the pressing plate structure are optimized and reformed on the premise that the overall basic function requirement of the filter screen frame is met by taking the independent research design as the main part: the indexing pin structure is used for replacing a bolt structure for locking and fixing, and the filter screen frame is first in the industry, completely original, reliable in structure, high in durability, capable of being operated by a single person, and quick to disassemble and assemble; and the method is convenient to popularize.

The invention discloses a three-axis vibration temperature composite rail transit sensor. The sensor comprises an outer shell, a temperature chip and an insulating gasket are arranged at the bottom of the outer shell, a positioning ring is arranged around the insulating gasket, a base is installed in the positioning ring, an inner cylinder is pressed around the base, a piezoelectric chip and a mass block are installed in the middle of the base, the piezoelectric chip is electrically connected to the spindle signal adjustment circuit, a pressure ring is threadedly connected to the outer shell, the pressure ring is tightly pressed on the top of the inner cylinder, a MEMS chip and a conditioning circuit are arranged between the outer side of the positioning ring and the outer shell, the MEMS chip and the conditioning circuit, the spindle signal adjustment circuit, the temperature chip are electrically connected to the six-core socket, the positioning ring and the pressure ring are both insulators, and the gap between the positioning ring, the inner cylinder, the pressure ring and the outer shell is filled with epoxy glue. The MEMS chip detects the vibration signals in the X and Y directions, the sensitive parts composed of the piezoelectric chip, the mass block, the fastening ring and the base detect the vibration signal in the Z direction, and the temperature chip detects the temperature signal, so as to comprehensively judge the fault of the locomotive.

The application relates to the technical field of gas filtration, in particular to a honeycomb filter which comprises a box body, a wind guide pipe and a filter body in communication with the wind guide pipe, a cladding shell is arranged on the filter body, a plurality of heat exchange cavities are arranged between the cladding shell and the filter body, sealing plates are rotationally arranged at air inlet positions of the plurality of heat exchange cavities, a temperature control protection unit connected with the sealing plates and the heat exchange cavities is arranged in the box body. When the honeycomb filter is used, the plurality of heat exchange cavities between the cladding shell and the filter body are arranged, and a pure mechanical temperature control protection unit driven by a temperature sensing bag is matched, the number of heat exchange cavities participating in heat exchange can be automatically adjusted according to the change of tail gas temperature, accurate dynamic regulation and control of the working temperature of the filter body is realized, thereby effectively avoiding the thermal expansion and thermal stress accumulation of the filtering medium caused by continuous heat action, and micro cracks or sintering deformation of the honeycomb ceramic body is prevented.

The utility model relates to the technical field of wind power generation equipment, in particular to a clutch type carbon brush slip ring device for cable twisting prevention of a wind generating set, which comprises an upper turntable assembly, a lower turntable assembly, a clutch mechanism, a slip ring structure and a carbon brush assembly, the clutch mechanism comprises a guide assembly and a shaft sleeve capable of moving axially, when the upper rotating shaft rotates by a certain angle, the upper rotating shaft is meshed with the shaft sleeve through the guide assembly, the shaft sleeve is meshed with the lower rotating shaft through the guide assembly, and a complete torque transmission path can be formed between the upper rotating shaft and the lower rotating shaft. The binding post is electrically connected with the carbon brush assembly through a flexible wire, the arrangement mode of the flexible wire allows relative rotation of the upper rotating disc assembly and the lower rotating disc assembly, and under the condition that a torque transmission path is not formed between the upper rotating shaft and the lower rotating shaft, the upper rotating shaft does not drive the lower rotating shaft to rotate when rotating. The carbon brush assembly and the slip ring structure are kept relatively static, so that rotation friction between the carbon brush assembly and the slip ring structure can be reduced, and maintenance frequency and cost are reduced.