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28results about How to "Avoid frictional collisions" patented technology

Light-weight aluminum support provided with water tank and used for fixing intermediate transmission shaft assembly of four-wheel drive vehicle

The utility model relates to a light-weight aluminum support with a water tank for a fixed intermediate transmission shaft assembly of a four-wheel drive vehicle, and belongs to the technical field of automobile transmission shafts. Comprising a middle transmission shaft assembly, a middle supporting metal plate support, an aluminum support and a water tank structure, the middle transmission shaft assembly is connected with the middle supporting metal plate support, the water tank structure is arranged at the bottom of the aluminum support, the middle supporting metal plate support is installed above the water tank structure of the aluminum support, and a plurality of through holes are formed in the water tank structure. The intermediate transmission shaft assembly structure is used for filtering sand and soil generated in the running process of a vehicle, so that deformation of the device caused by silt blockage and accumulation is avoided, and the service life of the intermediate transmission shaft assembly structure is prolonged.
Owner:CHERY AUTOMOBILE CO LTD

Hinge die device for flanging machine

ActiveCN222607656UAvoid frictional collisionsNatural stateStructural engineering
The utility model discloses a hinge die device for a flanging machine, which comprises a die connecting plate, an upper pressing die and a servo hinge die, and the upper pressing die and the servo hinge die are mounted on the die connecting plate; the servo hinge die comprises a die body, a movable lug and a spring, the movable lug is rotationally installed on the die body, and the spring is installed between the movable lug and the die body and used for driving the movable lug to rotate to be flush with the bottom of the die body in a natural state. A spring is installed between the die body of the servo hinge die and the movable lug, and the spring has certain elastic force and drives the movable lug to rotate to the position flush with the bottom of the die body. Due to the fact that the bottom of the movable lug is flush with the bottom of the die body, compared with the prior art that the movable lug protrudes out of the bottom of the die body in the natural state, the protruding height of the movable lug does not need to be considered when the edge folding beam moves upwards, the edge folding beam does not need to rise by too much height, and collision friction between the movable lug protruding outwards and a workpiece is avoided. And the problem of built-up chipping knots caused by friction cannot be generated.
Owner:JIANGSU YAWEI MACHINE TOOL

Supporting device facilitating medicine application and dressing change of bone joints

The utility model discloses a supporting device facilitating medicine application and dressing change of bone joints, and belongs to the technical field of medical equipment. The supporting device comprises a partition plate, a supporting column arranged on one side of the bottom of the partition plate, a rotating column arranged on the other side of the bottom of the partition plate, an electric telescopic rod arranged on the upper portion of the partition plate and a supporting plate arranged at the top end of the electric telescopic rod. The lower end of the supporting column is a semi-arc plate or a square groove with a downward opening, and a sponge pad is arranged on the inner side of the semi-arc plate or the square groove. A sleeve is arranged at the bottom end of the rotating column, round holes are formed in the rotating column and the sleeve at equal intervals, and positioning pins are arranged in the round holes; the supporting plate is an arc-shaped plate, an electric heating wire is arranged in the supporting plate, and a fixing belt is further arranged on the supporting plate. The supporting device facilitating medicine application and dressing change of the bone joints is provided with the air bag and the fixing belt, limbs and applied medicine can be fixed, and the medicine cannot fall off under the condition that a patient moves to a certain degree.
Owner:安贞

A gantry type profile feeding and storing system

ActiveCN224740094UAvoid affecting the production rhythmavoid scratches
This utility model relates to the field of busbar profile feeding technology, and provides a gantry-type profile feeding and storage system, including a gantry frame, a crossbeam slidably mounted on the gantry frame, the crossbeam and the gantry frame connected by a translation component, a lifting component mounted on the crossbeam, the lifting component connected to a gripping component, a feeding rack mounted on the ground below the gantry frame, the length direction of the feeding rack and the length direction of the gripping component being parallel to the length direction of the crossbeam, limiting rails and a material storage bin are respectively mounted on both sides of the length direction of the feeding rack, a feeding trolley is mounted within the limiting rails and can move out of the limiting rails, at least two feeding trolleys are provided, and several retaining posts are movably mounted on the material storage bin, the distance between the retaining posts being adjustable, for placing profiles of different widths. This utility model can automatically feed and store busbar profiles, improving production efficiency, effectively utilizing the difference in production cycle time between upstream and downstream processes for profile storage, and has good practicality.
Owner:BEIEN INTELLIGENT EQUIP (SHANDONG) CO LTD

Restraint glove capable of preventing extubation

ActiveCN222533463Uincrease distanceAvoid frictional collisionsRestraining devicesCushionGeneral surgery
The utility model discloses an anti-extubation restraining glove, which relates to the technical field of medical supplies, and comprises an outer shield, the outer shield comprises an upper outer cover and a lower outer cover, an inner buffer sleeve is arranged in the outer shield, the inner buffer sleeve comprises an upper buffer pad and a lower buffer pad, and the upper buffer pad and the lower buffer pad are arranged in the outer shield. The upper outer cover is connected with the upper buffer cushion in a sewing manner, and the lower outer cover is connected with the lower buffer cushion in a sewing manner; the supporting structure is arranged between the outer protective cover and the inner buffering sleeve, and the supporting structure is used for changing the size of the distance between the upper buffering cushion and the lower buffering cushion; the driving structure is used for driving the supporting structure to act; and the hard plate can be detached. By arranging the driving structure and the supporting structure, the driving structure extrudes the supporting structure, the distance between the upper buffering cushion and the lower buffering cushion is increased, and friction and collision between an intubation tube on the hand back of a patient and an inner buffering sleeve are avoided.
Owner:ZHEJIANG UNIV

An eddy current detection line guide

ActiveCN224366018UMaterial magnetic variables
The utility model discloses a line guiding device of eddy current detection mainly relates to eddy current detection technical field. Including arc plate, the upper alternation and equidistance of arc plate along its axial direction is equipped with first guide frame and second guide frame, first guide pulley that can rotate is installed on first guide frame, and the axial direction of first guide pulley is horizontally arranged, and the parallel second guide pulley of first guide pulley is rotatably installed on second guide frame, and the circumferential sliding connection of second guide frame is relative to arc plate, and the axial direction of second guide pulley is converted between horizontal and vertical based on the sliding of second guide frame, and when the axial direction of second guide pulley is horizontal, two second guide pulleys are respectively with two first guide pulleys isoflat. The utility model has the beneficial effect that is used to the connection line of eddy current detection head and carries out the guidance, makes it before entering the pipe mouth can keep the straight and neat conveying state.
Owner:TIANJIN XINWEI EXAMINATION & TESTING TECH

Flexible support photovoltaic carport

The utility model provides a kind of flexible support photovoltaic carport, including two edge support mechanism, still including array connection being arranged between two edge support mechanism several cables, array setting several photovoltaic panel assemblies on cable, the preset gap for avoiding mutual collision friction is arranged between two adjacent photovoltaic panel assemblies, several photovoltaic panel assemblies are connected in parallel or series to form power generation unit, power generation unit is connected with inverter, and edge support mechanism is fixedly arranged on ground.The flexible support photovoltaic carport provided by the utility model is tensioned connection with several cables between two edge support mechanisms, the connecting block for fixing photovoltaic panel assembly is arranged on cable, photovoltaic panel assembly is arranged on cable by connecting block at equal intervals, and flexible support structure is formed, on the one hand, the use of steel and other building materials is reduced, and the construction cost of photovoltaic carport is reduced, on the other hand, the durability of photovoltaic carport is improved.
Owner:SHANDONG JIANHONG ENERGY TECHNOLOGY CO LTD

Steel material conveying and transferring device

The application discloses a steel conveying and transferring device, which comprises a conveying frame, a conveying belt installed on the conveying frame, two vertical plates fixed on the top of the conveying frame, and a de-stacking mechanism arranged between the two vertical plates and used for de-stacking the steel on the conveying belt; and relates to the technical field of steel processing. The steel conveying and transferring device is characterized in that the de-stacking mechanism is arranged, the intermittent rotation of the rotating plate is utilized, the stacked steel can be quickly pushed down and laid flat, the friction and collision of the stacked steel during transmission are effectively prevented, and the damage such as scratches, pits and knock deformation is reduced. After the stacked steel is pushed down and laid flat, the steel can pass through the gap between the rotating plate and the conveying belt in sequence, the phenomenon of material extrusion during transmission is avoided, the abrasion of the conveying belt is reduced, the service life of the conveying belt is prolonged, and the steel is prepared for the further de-electrization step.
Owner:ZHIMAIDE CO LTD

A transformer clamp holder

ActiveCN224738267Uavoid bending deformationAvoid frictional collisions
This utility model discloses a transformer clamp placement rack, including a base plate. Vertically arranged support columns are fixedly connected to the four corners of the top surface of the base plate. Several horizontally arranged support plates are detachably connected between the side walls of two adjacent support columns, and the support plates are evenly spaced along the length of the support columns. Several transformer clamps are placed between the top surfaces of two opposing support plates. Several vertically arranged partitions are detachably connected to the top surface of the base plate, and the partitions are of the same length as the support columns. The transformer clamps are placed between adjacent partitions. This utility model allows for layered placement of transformer clamps, ensuring that each transformer clamp only bears its own weight, preventing damage to the bottom clamps; and it separates the transformer clamps in each layer, preventing mutual friction and collision between the clamps.
Owner:BAODING SHUOWEI ELECTRIC CO LTD

An easy-to-operate fiberoptic bronchoscope for ICU

The present invention belongs to the technical field of medical equipment, and provides an ICU fiber bronchoscope that is easy to operate, including two groups of connected bite blocks and a fiber bronchoscope body, a moving bar is provided on the side where the two groups of bite blocks are close to each other, and an adjustment component for adjusting the position of the moving bar is provided on the bite block, and the moving bar runs through the bite block and a first limit plate is rotatably installed at one end of the moving bar. It is intended to solve the technical problem that the patient's oral cavity is blocked when the patient's tongue is fixed in the prior art, making it difficult for medical staff to observe the internal conditions of the patient's oral cavity. Compared with the prior art, the beneficial effects of the present invention are as follows: the patient's teeth are supported by the bite block, and the patient's tongue is close to the lower jaw, thereby avoiding blocking the opening between the patient's teeth, so that the inside of the patient's oral cavity is in an open state, avoiding blocking the patient's oral cavity, and medical staff can clearly observe the condition of the patient's oral cavity and the position of the trachea, which is convenient for subsequent inspections.
Owner:NO 2 PEOPLES HOSPITAL HUAIAN CITY

A nitrogen generator

ActiveCN224585643UAvoid frictional collisionsGuaranteed reliability
This utility model provides a nitrogen generator, including a housing, an air compressor, and a shock-absorbing assembly. The housing includes a top plate, a bottom plate, a first side plate, a second side plate, a horizontal partition plate, and a vertical partition plate. The top plate, first side plate, bottom plate, and second side plate are connected end-to-end in sequence. The horizontal partition plate is located between the top plate and the bottom plate and is connected to the first side plate. The vertical partition plate is located between the first side plate and the second side plate and is connected to both the top plate and the horizontal partition plate. The air compressor is disposed within the space enclosed by the top plate, the first side plate, the horizontal partition plate, and the vertical partition plate. The shock-absorbing assembly is disposed between the air compressor and the horizontal partition plate. Fans are respectively provided on the first side plate and the vertical partition plate to isolate the air compressor from other components, thereby improving the overall stability and durability of the equipment.
Owner:KAISHIHUI TECHNOLOGY (SHANGHAI) CO LTD

Spinning buckle type pump head assembly for screwing split plunger rod

The invention discloses a spinning type pump head assembly for screwing a split plunger rod, which is used for transporting media, and belongs to the technical field of plunger pumps, the spinning type pump head assembly comprises a pump head and a plunger rod arranged in the pump head, one end of the plunger rod far away from the pump head is connected with a plunger rod seat, one end of the plunger rod seat axially extends outwards to form a first column body, and the first column body is connected with a second column body. A threaded column is fixedly arranged in the middle section of the first column body, the diameter of the threaded column is larger than that of the first column body, and the end of the first column body is sleeved with a pre-tightening spring. According to the device, the plunger rod can be integrally detached along with the pump head, and the problem that the pump head is difficult to maintain due to the fact that the plunger rod is fixedly connected with the plunger is effectively solved.
Owner:杭州精进科技有限公司

A chest belt for preventing nipple pressure after breast cancer prosthesis surgery

This invention belongs to the field of breast band technology, specifically relating to a breast band to prevent nipple pressure after breast cancer implant surgery. The breast band includes a cup, straps, and shoulder straps. The cup includes an outer layer and an inner layer, connected to the straps and shoulder straps. The inner layer is connected to the inside of the outer layer. The breast band also includes a fluid circulation mechanism, comprising a fluid storage device, a main channel, and branch channels. The cup of this invention covers the outside of the reconstructed breast. When fluid is filled into the main channel and branch channels, a breast band network is formed, providing support and shaping for the breast. When fluid leaks out of the main channel and branch channels, the channels collapse, the pressure of the breast band network on the breast disappears, and the breast relaxes. Therefore, the pressure exerted by the breast band of this invention on the breast is intermittent, preventing prolonged pressure and achieving both shaping and comfort.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Cable dragging device for coal mining face

ActiveCN224459202Uso as not to damageAvoid frictional collisionsStructural engineeringElectric cables
The utility model provides a kind of cable dragging device for coal face, belong to coal mining technical field, including base, two guide rails, multiple sliding tables, multiple driving mechanisms and multiple anchoring members;Base is strip structure, and multiple traveling wheels are equipped in lower end;Multiple fixed holes are equipped on base;Two guide rails are arranged on base in parallel interval, and guide rail is arranged along the length direction of base;Multiple sliding tables are all slidingly connected on two guide rails, and the upper end of each sliding table is equipped with the storage frame for accommodating cable;Multiple driving mechanisms are all installed on base, and multiple driving mechanisms and multiple sliding tables are one-to-one correspondence, and driving mechanism is connected with sliding table;Multiple anchoring members and multiple fixed holes are one-to-one correspondence;Anchoring member passes through corresponding fixed hole, for limiting the position of base.The cable dragging device for coal face provided by the utility model reduces labor intensity, and also protects cable from being damaged.
Owner:YIMEI GRP XINYI MINING IND

Medical care article storage device

The invention discloses a medical care article storage device, and relates to the field of medical article storage, the medical care article storage device comprises a box body, the top end of the box body is sequentially provided with an instrument storage area, a disposable article area and a medicine storage area from left to right, and the bottom end of the box body is provided with a control cavity; diffusion boxes are arranged at the bottoms of the instrument storage area and the disposable article area, a disinfection mechanism is arranged at the position, close to the left side edge, of the inner side of the control cavity, the disinfection mechanism comprises a medicament box and an ultrasonic nebulizer, a purification mechanism is arranged on the right side of the disinfection mechanism, and the purification mechanism comprises a purification box and a filter box. A purification filter element structure is arranged on the inner side of the filter box, and a clamping mechanism is arranged on the inner side of the instrument storage area. According to the medical care article storage device, the interior can be comprehensively disinfected and sterilized, the disinfection and sterilization effect on medical instruments is enhanced, and waste of disinfectant is reduced.
Owner:CHANGZHI PEOPLES HOSPITAL (CHANGZHI OCCUPATIONAL DISEASE PREVENTION & CONTROL HOSPITAL)

Whole-flow workpiece production logistics device capable of quickly changing dies

ActiveCN222592180UAvoid frictional collisionsImprove versatilityProduction logisticsLogistics management
The utility model belongs to the field of workpiece logistics boxes, and relates to a full-process workpiece logistics device capable of quickly changing dies. Comprising a frame body, the frame body is used for storing and transporting workpieces of different types, a multifunctional base plate is used for installing workpiece limiting components of different specifications, friction and collision between the workpieces are avoided, the multiple workpiece limiting components are arranged on the multifunctional base plate in an array mode and used for containing parts of different types in a compatible mode, and the universality of the device is improved; the manipulator grabbing block is used for mechanical carrying, and the U-shaped handle is used for manual carrying. A plurality of avoiding grooves are formed in the bottoms of the frame bodies and located under the U-shaped handles, and when the frame bodies are stacked, the U-shaped handles of the lower-layer frame bodies are embedded in the avoiding grooves of the upper-layer frame bodies, so that stacking storage of the device is facilitated, and the stability of the device during stacking storage is improved. The storage and transportation rack is consistent in appearance structure and convenient to store and transport, the detachable workpiece limiting pieces are arranged in the storage and transportation rack and used for containing parts of different models in a compatible mode, and universality is good.
Owner:SHAANXI FAST AUTO DRIVE GRP CO LTD

A cup holder lifting structure

The application discloses a cup rack lifting structure applied to a cleaning bin or a drying bin, and comprises a driving assembly, a connecting piece and a cup rack. The cup rack is installed on the connecting piece. The driving end of the driving assembly is in transmission connection with the connecting piece, so that the connecting piece is driven to move towards the bin opening direction of the cleaning bin or the drying bin. Through the cooperative operation of the driving assembly, the connecting piece and the cup rack, the lifting function of the cup rack is realized, and the adaptability, convenience, safety and space utilization of the cup rack lifting structure are remarkably improved.
Owner:GUANGZHOU JIGU ELECTRIC APPLIANCE TECH CO LTD

A quick butt joint calibration device for a locomotive diesel locomotive

ActiveCN224491073UEnter accuratelyAccurate guide
The utility model provides a kind of locomotive diesel locomotive hook rapid butt joint calibration device, it is related to train technical field, including connecting base, the surface of connecting base is equipped with fixed hole, the right side fixed connection of connecting base has mounting plate, the inside of mounting plate is equipped with butt joint groove, the direction component is installed, the direction component includes the fixed shaft of installation on mounting plate upper surface, the surface of fixed shaft is equipped with direction gyro wheel;Through the setting of butt joint component, through the elastic rotation's two-way triangular clamping block structure, realize the closely and stable clamping of car hook, even if train operation is impacted by external force, can also guarantee connection firm, butt joint column and butt joint base provide stable connection point, enhance structural strength, can bear larger tension and pressure, threaded connection design facilitates installation and removal, it is beneficial to maintenance, two groups of butt joint groove design expands application range, satisfies different butt joint demand, improves device applicability.
Owner:SHANDONG CHUANGJIAWEI ELECTROMECHANICAL CO LTD

Profile defect detection device and defect correction method

The invention belongs to the technical field of welding defect detection, and particularly relates to a profile defect detection device and a defect correction method.The profile defect detection device comprises a machine body part and ultrasonic probes, the two ultrasonic probes are symmetrically arranged on the two sides of a surface welding seam of a profile to be detected through the detection device respectively, and a handle part is rotationally assembled at one end of the machine body part; the side frame parts are rotationally assembled on the two sides of the machine body part, the sliding mounting frame is assembled on one sides of the two side frame parts in a sliding mode, the assembling frame parts are detachably assembled through the sliding mounting frame, and the two ultrasonic probes are installed at the bottoms of the two assembling frame parts respectively. According to the method, the probability of detecting transverse internal defects can be increased, the defect marking function is achieved, the probe can be made to be tightly attached to the surfaces of profiles of more shapes, the probe can be prevented from colliding with irregular protrusions, and the method for correcting the multilayer repair welding is beneficial to optimizing the material strength after the internal defects are subjected to repair welding and reducing the forming probability of the repair welding defects.
Owner:WUHAN YAMET METAL PRODUCTS CO LTD

An underground intelligent water distributor

The present invention provides an underground intelligent water distributor, which relates to the field of underground water distributors, including a water distributor body; a water injection port is provided on the front side of the water distributor body, and a protective net is installed on the front side of the water injection port; a guide mechanism is installed on the outside of the water distributor body, and the guide mechanism is slidably connected inside the casing; a clearing component is installed on the front side of the water distributor body. Through the protective effect of the protective net, it is prevented that the debris in the well enters the inside of the water injection port, and the blockage of the water injection port is avoided; then, through the cooperation of the water immersion sensor, the intelligent controller and the clearing component, the debris covered on the front side of the protective net can be automatically cleared away during water injection, so as to avoid affecting the normal water injection work of the water distributor body; the problem that during the use of the traditional underground water distributor, even if a protective net is installed on the outside of the water injection port on some underground water distributors, the outer surface of the protective net is easily covered by debris, thereby affecting the normal water injection work of the underground water distributor is solved.
Owner:FUNING HONGDA PETROCHEMICAL MASCH CO LTD

Protection device for ostomy bag

ActiveCN222517119UAvoid frictional collisionsquick releaseColostomyRubber matBandage
The utility model discloses a protection device for an ostomy bag, and particularly relates to the technical field of ostomy bags, the protection device comprises an ostomy bag body, a rubber mat connecting body and a cover body, and one end of the ostomy bag body close to the rubber mat connecting body is fixedly provided with a first ring opening; the two second bandages are respectively adhered to the first bandages on the two sides of the rubber mat connecting body through nylon hasps; and the first bandages which are symmetrical in pairs are connected through a buckling assembly. According to the protection device for the ostomy bag, in the using process, the rubber mat connecting body is bound to the body of a patient through the first binding band, the second ring opening in the rubber mat connecting body is aligned with the affected part, the ostomy bag body is installed on the second ring opening, and the cover body is bound to the body of the patient through the second binding band; the second bandage is adhered to the first bandage through a nylon fastener tape, so that the cover body, the rubber mat connecting body and the ostomy bag body are integrated, and the ostomy bag body and the cover body are prevented from being mutually rubbed and collided in the moving process of a patient.
Owner:WENZHOU MEDICAL UNIV

A tire pressure monitoring device

ActiveCN224739132UAvoid frictional collisionsavoid adsorption
This utility model relates to the technical field of tire pressure monitoring, and in particular to a vehicle tire pressure monitoring device, including a rod body. A rotating coupling is connected to the end of the rod body, and a display is connected to the surface of the rotating coupling. A USB charging port is provided on the side of the display, and a sealing plug is installed on the surface of the USB charging port. A telescopic component is provided inside the rod body, and a sealing component is provided on the surface of the telescopic component. This vehicle tire pressure monitoring device, through the design of the telescopic component and the sealing component, can adjust its length according to the tire valve depth and rim space size of different vehicle models. This avoids collision and friction between the monitoring head and the inner wall of the rim after installation, reducing component wear and signal transmission interference. The sealing component forms a tight seal after the monitoring head is fully extended or retracted, preventing dust and debris from accumulating and moisture from seeping in when the device is idle, and preventing air leakage due to seal failure during reuse, thus ensuring data detection accuracy.
Owner:BEIJING BOYI HENGHUA TECH CO LTD

Ball bearing retainer

ActiveCN222526718Uhigh strengthAvoid frictional collisionsBearing componentsBall bearingSteel ball
The utility model discloses a ball bearing retainer which comprises a bearing retainer body, a retainer pocket is formed in the bearing retainer body, a bearing steel ball is arranged in the retainer pocket, arc-shaped plates are arranged on the two sides of the bearing steel ball, guide bent edges are arranged on the side edges of the arc-shaped plates, and the bearing retainer body is of a stamping crown-shaped structure. Positioning flanges are arranged on the through holes and the inner edge of the bearing retainer, and the diameter of a pocket passing through the retainer is larger than the pitch circle diameter of a bearing ball set. During assembly, the locking opening of the retainer is automatically centered through the steel ball group, the steel plate of the retainer is thickened, and the distance between two adjacent pockets is increased, so that the strength of the retainer is improved to different degrees; after the retainer is improved, the axial distance between the retainer and the retainer is effectively guaranteed, collision and friction are avoided, and the noise qualification rate is remarkably improved.
Owner:C&U CO LTD +2

A cover plate protective insert with a flexible clamping structure

ActiveCN224703527UAvoid frictional collisionsreduce loss rate
This application provides a cover plate protective insert with a flexible clamping structure, belonging to the field of inserts. It includes a sliding roller assembly and two sets of connecting columns installed inside the two sets of sliding roller assemblies. A set of right-side gears is fixedly installed on one outer wall of each connecting column, and a set of knobs is fixedly installed on the other outer wall of the gears. A set of wheel disks is fixed to each end of the circumferential outer wall of the connecting column. Connecting rods are fixedly connected to the inner outer walls of the two sets of wheel disks. Two sets of wires are fixed to the outer wall of the center of the connecting rods. This utility model adopts an arc-shaped inner wall insert design, which can conform to the curved edge of the cover plate, increasing the contact area while avoiding local friction damage caused by sharp corner contact, reducing the risk of scratches on the cover plate surface. Combined with two sets of flexible wires clamping the cover plate from front to back, a stable fixation can be formed through appropriate elasticity. This prevents the cover plate from colliding and rubbing against the insert or adjacent cover plates due to shaking during placement and movement, and the flexible material properties avoid squeezing damage caused by rigid clamping.
Owner:ZHEJIANG LIANXINKANG TECH CO LTD

Clutch assembly with low belt row torque

PendingCN121952989Astable separationachieve power transmissionFriction clutchesClutchPhysics
The invention belongs to the technical field of clutches, and particularly relates to a clutch assembly with low belt row torque, which is characterized in that integrally formed separation structures are arranged on friction plates and steel plates, so that gaps among the plates are stabilized and limited when the clutch is separated, the viscous shearing action of an oil film in a friction pair gap is reduced, and the belt row torque is reduced; meanwhile, non-linear axial swing of the friction plates and the steel plates during high-speed rotation is restrained, intermittent contact and collision friction are avoided, the problems of motion instability and local abnormal abrasion are solved, the working efficiency and operation reliability of a transmission system are improved, and the defects that a traditional wet clutch is large in driving torque and poor in high-speed working condition stability are overcome.
Owner:BEIJING INST OF TECH

A method for monitoring mud cake on a cutter head of a shield machine

The application discloses a kind of on-line monitoring method of shield machine cutterhead mud cake, comprising: arranging multiple groups of temperature sensors on the surface of shield machine cutterhead;Establish mud cake tunneling parameter database and temperature database under different strata, establish temperature database under different strata according to the temperature data of the surface of shield machine cutterhead under different strata;Obtain temperature variation prediction curve set;Judge.This application combines temperature sensor and BP neural network algorithm, after obtaining the corresponding temperature variation prediction curve subset of different strata, real-time acquisition of the temperature of shield machine cutterhead and the internal residue soil of soil bin after excavation, selects the corresponding temperature variation prediction curve subset of different strata, compares and analyzes the corresponding temperature variation prediction curve in temperature variation prediction curve subset with the collected temperature data, determines whether cutterhead surface is mud cake, can adapt to the tunneling environment of different strata, and can accurately and effectively reflect cutterhead mud cake phenomenon, guarantee the normal tunneling of shield machine.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +2