142results about How to "Guarantee status" patented technology

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

The invention discloses an injection device which comprises a shell provided with a first limiting part; the radial wheel can be rotationally arranged in the shell in the first direction and is provided with a second limiting part; the clutch is provided with a third limiting part and a fourth limiting part and can be switched between a first axial position and a second axial position, the fourth limiting part is always matched with the second limiting part for limiting, and when the clutch is located at the first axial position, the third limiting part is matched with the first limiting part for limiting, so that the clutch and the shell are fixed; when the clutch is located at the second axial position, the third limiting part is separated from the first limiting part; the push rod and the radial wheel are limited in the circumferential direction, the push rod can axially move relative to the radial wheel, and the push rod axially moves synchronously when rotating in the circumferential direction. The clutch can be combined with or separated from the shell, and during combination, the push rod is indirectly limited, so that the push rod does not generate injection action; during separation, limiting of the shell to the clutch is relieved, and the push rod can conduct injection smoothly. The clutch transmission structure is simple, the number of parts is small, and transmission is simple and reliable.

The invention relates to the technical field of network security, in particular to a method and device for detecting illegal external connection of a terminal and a storage medium, and the method comprises the steps: obtaining all terminal equipment connected with a local area network, distinguishing authorized terminal equipment and unauthorized terminal equipment through authorization detection, and carrying out the risk grading of the authorized terminal equipment; the method comprises the following steps: generating an external connection behavior data set by combining client monitoring data, network layer monitoring data and intranet detection data, extracting key information such as an external connection target, access time, a protocol type and a port number, and dividing into pure intranet connection equipment, normal external connection equipment and unknown external connection equipment according to external connection permissions; inputting the log data of the unknown external connection equipment into the log anomaly detection model based on the Transform architecture, identifying an abnormal event, and calculating a log risk score; and if the log risk score exceeds a preset threshold, determining that the device is an illegal external connection device. According to the method, accurate detection of illegal external connection behaviors is realized, and the safety performance of a monitoring system is remarkably improved.

The invention provides a raw coal conveying device and method, and belongs to the technical field of raw coal conveying, the raw coal conveying device comprises a conveying channel and a conveying mechanism, and a scraper driving device is a belt / chain transmission device with an annular transmission bundle; the scraper assembly comprises a baffle fixed to the transmission beam, a scraper hinged to the baffle, a scraper rotation limiting structure and a scraper reset spring. The conveying mechanism further comprises a scraper guide device, and the scraper guide device comprises a guide rail arranged on the conveying channel and a guide piece arranged on the scraper. The guide rail comprises a lower horizontal section parallel to the bottom plate and a notch corresponding to the discharging port. The scraper can rotate, when coal is loaded, the scraper and the baffle can form a bucket structure, coal briquettes on the bottom plate are shoveled up, friction between the coal briquettes and the bottom plate is reduced, and the crushing amount of the coal briquettes is reduced; when coal is unloaded, the scraping plate is inclined downwards, coal briquettes enter the discharging port in an inclined downwards mode under the action of the gravity of the coal briquettes, and damage to the coal briquettes caused by vertical coal unloading is reduced.

The invention discloses a coal mine multi-service rapid authentication method and system, and the method comprises the steps that a new user accesses a registration interface of an authentication center through a user terminal, fills in and submits registration information, and the authentication center verifies the registration information; a user inputs login information on a login interface of an authentication center, a login request is transmitted to a service provider through an encryption protocol, the service provider forwards the login request to the authentication center for verification, and an authentication token is generated after verification is passed; after receiving the authentication token, the user terminal stores the authentication token locally; when a user accesses the coal mine multi-service room, a user terminal carries the authentication token to initiate an access request, a service provider verifies the validity of the token, and after the verification is passed, the user is allowed to access the corresponding service room; and when the authentication token is nearly expired, the user terminal automatically calls a token refreshing interface of the authentication center to obtain a new authentication token, so that the continuous login state and the authentication authority of the user are ensured.

The utility model provides a beneficiation shaking table for beneficiation, which relates to the technical field of ore treatment equipment and comprises a table surface, two lower supports are arranged at the bottom of the table surface, a locking frame is fixedly mounted on the outer surface wall of each lower support, an electric push rod is fixedly mounted in each locking frame, and the electric push rods are fixedly mounted on the lower supports. The shaft end of each electric push rod is fixedly sleeved with a sleeve, an outer open groove is formed in the bottom of the bed surface, a dynamic inclinometer is fixedly installed in the outer open groove, a receiver and a PLC are fixedly installed at the bottom of the bed surface, and the output end of the dynamic inclinometer is fixedly connected with a set of first information lines; according to the adjusting mode, dip angle conversion in each time period in the bed surface adjusting process can be strictly controlled, and the numerical range of the dip angle of the bed surface can be accurately controlled in a follow-up real-time monitoring mode, so that the equipment adjusting precision is improved, the equipment adjusting process is autonomously completed, and the early-stage preparation time of the equipment is greatly shortened.

The utility model discloses a vacuum sealing device for a vacuum high-pressure gas quenching furnace. The vacuum sealing device comprises a sealing flange seat, a flange cover, a furnace shell flange, a dynamic sealing assembly and a static sealing assembly, the furnace shell flange is arranged on the vacuum high-pressure gas quenching furnace body, and the flange cover is arranged on the furnace shell flange; a flange base extending section is formed at the bottom of the sealing flange base and penetrates through the flange cover, the sealing flange base is located above the flange cover, and the flange cover is in static sealing connection with the flange base extending section and the furnace shell flange through a static sealing assembly. The cylinder piston rod assembly is arranged on the sealing flange seat, penetrates through the sealing flange seat, the flange seat extension section, the flange cover and the furnace shell flange and then is inserted into the vacuum high-pressure gas quenching furnace body; the hot zone cabin cover is connected with the cylinder piston rod assembly; the air cylinder piston rod assembly is in dynamic sealing connection with the flange base extension section through the dynamic sealing assembly. The utility model relates to the technical field of vacuum furnaces, and can solve the problem of poor dynamic sealing effect of an O-shaped sealing ring between a cylinder piston rod and a furnace body in the prior art.

The invention discloses an intelligent charger data adjusting system and method based on artificial intelligence, and belongs to the technical field of charger adjustment. When a charger starts to work, charging information and basic information of a charging terminal are collected, and the charging information and the basic information of the charging terminal are preprocessed; according to the basic information of the charging terminal, analyzing the power consumption condition of the charging terminal, forming a battery health state evaluation set, and evaluating the battery health state of the charging terminal; calculating the maximum charging power of the charging terminal, dividing the real-time residual electric quantity of the charging terminal into range intervals, and constructing a charging power distribution model of the charging terminal; the charging power of the charging terminal is adaptively adjusted, the charging terminal is monitored in real time, and abnormal conditions are prompted and subjected to safety adjustment. The evaluation accuracy of the battery health state is improved, the safety of the battery is guaranteed, and the service life of the battery is prolonged.

The invention relates to the field of aluminum foil production, and discloses a leveling device for aluminum foil surface production, which comprises an uncoiler, a leveling machine and a servo feeder, the leveling machine is arranged between the uncoiler and the servo feeder, the leveling machine comprises a rack, a leveling carrier roller group, a leveling compression roller group and a machine cover, the machine cover is hinged to the surface of the rack, and the servo feeder is arranged on the surface of the rack. The leveling carrier roller set is installed on the surface of the portion, below the machine cover, of the machine frame, the leveling pressing roller set is installed in the machine cover, the axis of the leveling pressing roller set is parallel to the axis of the leveling carrier roller set, the rotation directions of the leveling pressing roller set and the leveling carrier roller set are opposite, and a feeding port and a discharging port matched with the leveling pressing roller set and the leveling carrier roller set are machined in the side walls of the two ends of the machine cover. Cleaning devices are mounted on the rack and the machine cover at the feeding hole; and a trimming device is mounted on the rack at the discharging hole. The cleaning device and the detection system are arranged on the leveling machine, so that the state of the aluminum foil before processing can be ensured, and the production quality of the aluminum foil is improved.

The present invention relates to the field of safety monitoring and early warning, and in particular to a safety monitoring and early warning method and device based on the water consumption characteristics of smart water meters. The method comprises the following steps: obtaining historical water consumption monitoring data of elderly people living alone based on smart water meters; performing extreme value filtering and optimization processing on the historical water consumption monitoring data of elderly people living alone, thereby generating optimized water consumption monitoring data; performing periodic water consumption characteristic analysis on the optimized water consumption monitoring data to generate water consumption characteristic data; performing quantitative mining of the time series water consumption distribution characteristics of the water consumption characteristic data to construct a time series water consumption characteristic distribution map; obtaining dynamic water consumption behavior characteristics and the duration of each water consumption behavior based on the time series water consumption characteristic distribution map; performing personalized multi-time point evolution on the dynamic water consumption behavior characteristics based on the duration of each water consumption behavior, and constructing a personalized life water consumption behavior portrait. The present invention realizes real-time and efficient safety monitoring and early warning for elderly people living alone.

The utility model discloses a multi-arm wrecking truck with a vehicle-mounted accessory structure, which comprises a vehicle-mounted accessory wrecking truck, two ground supporting structures are arranged on each of two sides of the vehicle-mounted accessory wrecking truck, four pieces of strip-shaped steel which are respectively positioned above the four ground supporting structures are mounted on the vehicle-mounted accessory wrecking truck, and the four pieces of strip-shaped steel are respectively positioned above the four ground supporting structures. Two symmetrical longitudinal steel bars are connected to the strip-shaped steel in a sliding mode. When the vehicle-mounted accessory wrecking vehicle is used, the four ground supporting structures can be unfolded, after the four ground supporting structures are unfolded, a user pulls the first steel bars to enable the second steel bars to be attached to the longitudinal steel bars, at the moment, the longitudinal steel bars lack blocking, the longitudinal steel bars can fall down due to the gravity of the longitudinal steel bars, and a guardrail composed of the first steel bars, the steel pipes and the second steel bars also falls down; the guardrail is unfolded from the wrecking truck to protect the periphery of the ground support structure after the ground support structure is unfolded, so that the purpose of improving the protection effect by unfolding the guardrail from the wrecking truck to protect the periphery of the ground support can be achieved.

The utility model belongs to the technical field of automobile oil tanks, and particularly relates to a multi-interlayer anti-surge hydraulic oil tank which comprises an oil tank body. An oil tank cover is mounted at the top of the oil tank body; a plurality of baffles are fixedly connected to the inner side wall of the bottom of the oil tank body; the plurality of baffle plates are arranged in a staggered manner; a plurality of fixing rods are fixedly connected to the side walls of the plurality of barrier plates; the plurality of fixing rods are arranged in an array; a plurality of connecting rods are fixedly connected to the side walls of the plurality of barrier plates; the plurality of connecting rods are arranged in an array; when an automobile runs, due to starting and braking of the automobile and shaking of the oil tank body in the automobile, oil in the oil tank body can shake front and back, and the surge phenomenon is generated, the multiple baffles are arranged on the inner side wall of the bottom of the oil tank body in a staggered mode, and when the automobile accelerates and decelerates, the gasoline in the automobile is limited; and the state of gasoline is maintained through the force generated by absorbing surges by the multiple baffles, so that the interior of the fuel tank body is kept stable.

The absorbent article (1) has a longitudinal direction, a width direction, and a thickness direction which are orthogonal to each other in an expanded state, and is provided with a liquid-absorbing absorbent core (10), a top sheet (2) laminated on the skin side of the absorbent core (10), and a leakage prevention sheet (3) laminated on the non-skin side of the absorbent core (10), the absorbent article (1) has an adhesive (31) that can be bonded to a part of the absorbent article (1) when discarded, the adhesive (31) being located closer to the skin than the top sheet (2). And adjacent layers (40, 40 ') which are adjacent to the top sheet (2) from the thickness direction and which are positioned further toward the skin side than the leakage prevention sheet (3) and further toward the non-skin side than the adhesive (31), and which have a portion in which the adhesive (31) overlaps the adjacent layers (40, 40) when viewed in the thickness direction in an expanded and stretched state.

The utility model discloses a high-temperature-resistant and residue-free positioning adhesive tape for a photovoltaic back plate, and relates to the technical field of adhesive tapes. The adhesive tape comprises an adhesive tape body, the adhesive tape body comprises a base layer, an inner adhesive layer and a group of outer adhesive layers, a decorative layer and an upper thermal insulation layer are sequentially compounded on the lower surface of the base layer, each outer adhesive layer comprises a first lining, a lower thermal insulation layer is compounded on the upper surface of each first lining, and each lower thermal insulation layer is compounded on the lower surface of the corresponding upper thermal insulation layer. The two outer rubber layers are arranged on the edges of the two sides of the upper heat insulation layer respectively, low-viscosity rubber is arranged on the lower surface of the first lining layer, and the inner rubber layer comprises a second lining layer. The positioning adhesive tape is composed of the three combined layers of the base layer, the inner adhesive layer and the outer adhesive layer, the three combined layers can be combined after being subjected to composite production and slitting respectively, production is facilitated, meanwhile, due to the design of the heat insulation layer, the efficient high-temperature-resistant effect is achieved, and the service life of the adhesive tape is prolonged. And an inverted U-shaped protection area can be formed to carry out temperature isolation on the high-viscosity colloid on the inner adhesive layer, so that the problem of colloid residue is reduced.

The utility model relates to a device for manufacturing and displaying a soil layer specimen. The device comprises a display box (1), a liquid injection assembly (2) for injecting a transparent adhesive fixing agent into the display box, and a gas extraction and injection assembly (3) for extracting or injecting gas into the display box (1), a display soil body (4) is arranged in the display box (1), the liquid injection assembly (2) comprises a grouting pipeline (21) communicated with the interior of the display box (1) and a micro grouting pipeline (22) arranged in the display soil body (4), and the gas extraction and injection assembly (3) comprises a gas pipeline (31) communicated with the interior of the display box (1). Compared with the prior art, the device has the advantages that a soil layer does not need to be remolded, and an original soil sample is directly used for manufacturing and displaying.

A safety buckle lock with double lock tongues comprises a lock shell provided with a buckle groove and a work card area. The door padlock assembly is assembled on the lock shell, the door padlock assembly is provided with a lock hole, and the lock hole is exposed in the padlock space of the lock shell; the first spring bolt is rotationally connected to the lock shell and at least has a first locking position state and a first unlocking position state, the first spring bolt is connected with a lock body, and at least part of the lock body is exposed in the padlock space of the lock shell; the second spring bolt at least has a second locking position state and a second unlocking position state and can extend outwards or retract inwards; a replaceable padlock can be connected into the lock hole, and a replaceable identification work card can be connected into the work card area. The lock catch is matched with a padlock, has a padlock locking function, a first spring bolt locking function and a second spring bolt locking function, achieves triple locking effects, is richer in locking combination, has a better locking effect and is higher in structural strength and safety.

The present invention discloses a production and conveying structure for an electronic glass protective film, belonging to the technical field of electronic glass protective film conveying equipment, comprising a conveying platform one, wherein the left end of the conveying platform one is fixedly connected to a conveying platform two, a controller is installed between the inner walls of one side of the conveying platform two, and the upper ends of one side of the conveying platform one and the conveying platform two are fixedly connected to two symmetrically distributed vertical plates, and an adjustment component is installed between the inner walls of the vertical plates. When the protective film is being conveyed, the tensioning force of the protective film conveying can be adjusted under the action of the adjustment component, so that the protective film maintains an appropriate tensile state, avoids excessive friction and wear between the protective film and the conveying roller, and ensures normal conveying operation. At the same time, when the protective film is being conveyed, the cleaning roller can also wipe the surface of the protective film with alcohol, and while cleaning the surface, the residual glue is also removed to ensure the cleanliness of the protective film, and the electrostatic release component can also eliminate the electrostatic effect between the transmission roller and the protective film.

A novel through-wall pipe for building water supply and drainage comprises a middle pipeline, threaded insertion rings, arc-shaped rotating plates, positioning insertion rods, fixing rods, sliding clamping plates and rotating shafts, the middle pipeline is provided with middle pipeline protruding rings and pipeline internal thread grooves, the pipeline internal thread grooves are symmetrically formed in the two ends of the middle pipeline, and the threaded insertion rings are matched with the pipeline internal thread grooves; the threaded insertion rings are inserted into the pipeline internal threaded grooves and rotate in the pipeline internal threaded grooves, the middle pipeline is provided with rectangular receding holes, the two sets of rectangular receding holes are symmetrically distributed in the two ends of the middle pipeline, and the threaded insertion rings are provided with threaded insertion ring side plates and rectangular clamping plate insertion holes. A plurality of rectangular clamping plate insertion holes are evenly distributed in the axial side of the threaded insertion ring side plate, the rectangular clamping plate insertion holes are opposite to the rectangular receding holes inside and outside, the arc-shaped rotating plates are matched with the rectangular clamping plate insertion holes, the arc-shaped rotating plates are inserted into the rectangular clamping plate insertion holes, and the arc-shaped rotating plates are provided with second rotating shaft holes.

The utility model provides a silica gel braided wire with a binding structure, which relates to the technical field of cable binding, and comprises a wire body, the surface of the wire body is provided with a restraining component, the restraining component is bound on the surface of the wire body through a magic tape to restrain the wire body, the wire body comprises a plurality of core wires, the surfaces of the plurality of core wires are sleeved with silica gel sleeves, and the silica gel sleeves are sleeved on the surfaces of the plurality of core wires. The surface of the silica gel sleeve is sleeved with a braid layer, the core wire comprises a wire, the surface of the wire is provided with an insulating layer, the restraining component comprises a lantern ring, the lantern ring is sleeved on the surface of the wire body, the surface of the lantern ring is fixedly connected with a connecting plate, and the connecting plate is provided with a hook-and-loop fastener through a connecting component. According to the utility model, when the wire body needs to be stored, the wire body is wound to form a coil, then the Velcro is bound on the coil to fix the coil, and the Velcro in the restraining component is detachable, so that the Velcro can be quickly replaced to keep the restraining effect on the wire body when the Velcro loses viscosity.

A flexible stress sensor prepared based on centrifugal spinning fibers comprises a stress layer and a base layer, and the stress layer is bonded on the base layer; the stress layer comprises a plurality of transverse conductive fibers and two longitudinal conductive fibers, the two longitudinal conductive fibers are connected with the left sides and the right sides of all the transverse conductive fibers respectively, and all the transverse conductive fibers are evenly distributed to form a grating net-shaped structure. And all the transverse conductive fibers and the longitudinal conductive fibers are made of at least one conductive wire. The stress layer is high in mechanical strength and good in stability.

Automatic blood bag storage equipment structurally comprises a storage box body, a storage groove opening is formed in the storage box body, a cover plate for sealing the storage groove opening is arranged at the top end of the storage box body in a hinged mode, and a blood bag positioning seat is arranged in the storage groove opening. When blood transfusion work is needed emergently, a blood bag is placed in the blood bag containing groove, whether an ice bag is placed in the cold air frame or not can be selected according to the environment temperature, so that the normal state of the blood bag in the blood bag positioning seat is guaranteed, and during early-stage preparation work, a control panel can be operated firstly, so that the control panel controls a micro driving motor to operate, and then the blood bag can be quickly and conveniently transfused. The micro driving motor drives the rotating disc to rotate slowly, the rotating disc drives the protruding block to make intermittent reciprocating contact with the bottom of the hinge rod, the hinge rod is made to swing slightly, and the blood bag acting piece at the top end of the hinge rod can shake the blood bag so that the blood bag can be shaken evenly.

This invention discloses an anaerobic treatment chamber for soil samples from drill cores and its usage method, relating to the field of soil quality testing technology. The invention is rationally designed, simple in design, and easy to carry. By filling the chamber with nitrogen, samples can be treated in an anaerobic environment. A lifting component lowers the portion of the sample in contact with the external environment, exposing the original state of the soil, which is then collected through a sample collection tube. This effectively preserves the original state of the soil core samples, ensuring accurate subsequent test results.

The application discloses a rocket transfer cage and belongs to the field of rocket offshore launching. The rocket transfer cage comprises a support frame body, a base, a ceiling, a cage body and a rocket fixing device. The ceiling is fixed to one end of the support frame body. The base is fixed to the other end of the support frame body. The cage body is a cavity shell structure and is arranged between the ceiling and the base. The cage body, the ceiling, the support frame body and the base form a rocket accommodating cavity which can accommodate rockets and can be opened and closed. The application can protect the whole rocket, realize overall transfer, reduce the influence of environmental variables on the rocket during the transfer process and guarantee the good state of the rocket body.

The utility model discloses a sterilization piece, a water passing assembly and a sterilization faucet. The sterilization piece comprises a circuit board, a sleeving piece and a rubber piece. A sterilization lamp is arranged on the circuit board and is suitable for sterilization; the sleeving piece is provided with a sleeving hole, and the sleeving hole is suitable for the germicidal lamp to stretch in, so that the germicidal lamp is protected to a certain extent. The size of the sleeving hole is larger than that of the germicidal lamp, so that a glue filling gap exists between the hole wall of the sleeving hole and the outer wall of the germicidal lamp; according to the scheme, the sleeving hole is filled in a glue pouring mode, the glue piece is formed after the glue is solidified, at least part of the germicidal lamp can be better wrapped by arranging the glue piece so as to protect the germicidal lamp, and meanwhile when the germicidal lamp is used in a water environment, the germicidal lamp is not prone to falling off when the germicidal lamp is used in the water environment. And the water is further prevented from contacting with other positions of the circuit board after passing through the sleeving hole, so that the sealing is realized. And the sleeving piece is fixedly connected with the circuit board through the rubber piece, and the sleeving piece and the circuit board can be integrated to be mounted and dismounted with an object to be sterilized, so that maintenance and cleaning are facilitated.

The present invention discloses a gel spraying device for preventing and controlling coal spontaneous combustion in coal mine goafs, which belongs to the field of gel spraying. It comprises a bottom support vehicle seat, the top of the bottom support vehicle seat is fixedly connected with a gel solution storage tank, the top of the gel solution storage tank is fixedly connected with a top injection barrel, one side of the gel solution storage tank is movably connected with a side discharge pipe, one side of the side discharge pipe is provided with a first pump body, one side of the first pump body is provided with a side control box, one side of the side control box is movably connected with a liquid guide hose, and one end of the liquid guide hose is movably connected with a side connection seat. The present invention realizes continuous left and right swinging during the spraying of the gel solution, increases the coverage area of ​​the gel solution after being sprayed along the side nozzle of the solution, and improves the work efficiency and treatment effect. At the same time, the rotation of the ventilation fan blades improves the air circulation performance on the surface of the gel solution storage tank and enhances the heat dissipation effect of the internal heat-conducting metal ring.

Embodiments of the present application provide an application initialization method and device, a storage medium and a program product. In the embodiments of the present application, a hook function is embedded in an execution initialization function in a runtime component to hijack an original function initialization process, and the hook function is used to set a function initialization order of a target application as a target initialization order in which initialization of a target function's embedded code is performed first and then initialization of the target function is performed. In this way, when the executable file of the target application is initialized according to the target initialization order, it is ensured that the initialization of the target function's embedded code is completed before the initialization of the target function, and the initialization of the instrumented application is implemented. In this way, the target function can run normally during runtime, and the embedded code can ensure performance monitoring or state tracking of the target function.

The invention discloses a constant-temperature and constant-humidity control method and device for gauge block verification, and belongs to the technical field of metering detection, and the control method comprises the steps: measuring the temperature T of a gauge block, judging whether the difference value between the temperature T of the gauge block and the standard temperature T0 meets the characteristic conditions or not, carrying out the constant-temperature time control, and carrying out the humidity control. The constant-temperature process of the gauge block can be controlled, and the problems that the evaporation speed of a cleaning agent left on the surface of the gauge block is low, and the drying time of the gauge block is long are solved. The temperature in the constant-temperature chamber is adjusted in real time according to the temperature of the gauge block through the auxiliary constant-temperature and constant-humidity mechanism, the situation that the temperature field in the gauge block is not uniform due to large temperature fluctuation in the constant-temperature process of the gauge block is avoided, and meanwhile the problem that the constant-temperature gauge block is not matched with the temperature of a measuring instrument can be solved.

The invention provides a method for detecting the fastening performance of a wheel fastener. The method comprises the following steps: carrying out a standing test on a vehicle; carrying out dynamic site testing on the vehicle; carrying out reinforced bad road test on the vehicle; and performing high and low temperature test on the vehicle. The testing device has the advantages that through the most harsh working condition combined by four harsh working conditions, a typical extreme driving mode enabling the wheel fastener to be easy to loosen is truly simulated, and the fastening performance of the wheel fastener can be comprehensively, directly and accurately tested; evaluation standards are set for the test in each stage, and the test can be stopped in time once the evaluation standards are not met, so that the test cost is effectively saved.

The utility model relates to the technical field of wool processing, and discloses wool processing equipment for cashmere blended yarn production, which comprises a water storage tank and an operating frame, the operating frame is placed in the water storage tank, the operating frame comprises a limiting frame, rear plates are fixed on two sides of the limiting frame, and frame plates are fixed on the inner sides of the rear plates on two sides; and the upper vibration assembly and the lower vibration assembly are symmetrically arranged up and down and located between the frame plates on the two sides, and the two vibration assemblies are used for colliding with each other up and down to generate vibration cleaning. Round frames in the upper vibration assembly and the lower vibration assembly rotate, elastic ropes drive metal balls to move, the upper metal balls and the lower metal balls oppositely knock wool, the wool is loosened under the action of the metal balls after being tightened, the wool moves, and the wool is cleaned to a certain extent under the action of power. Meanwhile, stretching or contraction winding is avoided, the state of wool is kept, and follow-up difficult utilization is avoided.