32results about How to "Easy to leak" patented technology

The embodiment of the invention discloses a right management method for user identification card and a terminal unit, which relates to the filed of communication, and solves the problem of the prior art that the safety of the SIM unlocking method is low and availability is poor. The technical of the invention comprises: acquiring the fingerprint information inputted by the user; comparing the inputted fingerprint information and the fingerprint template; extracting the personal identification code corresponding to the fingerprint template through the correspondence relationship of the inputted fingerprint information and the fingerprint template; and unlocking the user identification card thorough the corresponding personal identification code. The technical scheme provided by the embodiment of the invention can be applied to various electronic products such as cellphones containing SIM card, data card and the like.

The invention discloses a space power divider / combiner. A disc-shaped air column lens adopts a metal disc-shaped parallel plate waveguide comprising an upper metal disc layer and a lower metal disc layer; upper and lower inner surfaces of the metal disc-shaped parallel plate waveguide adopt arc surfaces; a long side of a standard rectangular waveguide is perpendicular to the metal discs of the disc-shaped air column lens; a transition waveguide is in a horn mouth shape; one end of the transition waveguide is connected with the standard rectangular waveguide; the other end of the transition waveguide is intersected with the disc-shaped air column lens; an output end surface of a U-shaped output array is rectangular; an input end surface of the U-shaped output array adopts a semicircular arc surface matched with the disc-shaped air column lens; and a plurality of parallel metal baffles which are perpendicular to the metal discs of the disc-shaped air column lens are arranged in the U-shaped output array. The space power divider / combiner has high output power, wide frequency band and high combined efficiency, and has the advantages that the structure is simple, the processing accuracy requirement is low, the manufacture cost is low, the expansibility is high, heat emission is easy to realize, and the like.

The invention discloses a device for detecting tightness of a float valve, which comprises an upper water tank, a lower water tank, a water level display pipe and a water pump for pumping water inside lower water tank to the upper water tank, wherein an ascending pipe, a descending pipe and an overflow pipe are arranged between the upper water tank and the lower water tank; the bottom of the descending pipe is provided with a lower valve for controlling water current in the descending pipe; the bottom of the water level display pipe is communicated to the inlet end close to the lower valve; the top of the water level display pipe is communicated with a high level gas-phase pipe; and the high level gas-phase pipe is communicated with a detecting head. When the float valve is detected, the detecting head is hermetically connected with a water inlet of the float valve, the water level in the upper water tank is constant after the water pump is opened, the pressure generated by the water inside the upper water tank is detecting pressure, and the stable water level inside the water level display pipe reflects sealing performance of the float valve that the lower the stable water level is, the better sealing performance of the float valve is. The device has the advantages of high accuracy and stability of the detecting pressure, no pollution of detecting medium to the float valve, high correctness of the detecting result and describable detecting result with data, and easy operation and quickness during detection.

The invention relates to a turbocharger comprising a connecting flange for connection to a cylinder head, wherein the connecting flange includes at least one connection opening for receiving a fluid line for the supply and / or removal of fluids. The invention further relates to a cylinder head comprising a connecting flange for connection to a turbocharger, wherein the connecting flange has at least one connecting opening for receiving a fluid line for supplying and / or removing fluids. Moreover, an engine apparatus comprising a turbocharger with a cylinder head and a flange connected onto the cylinder head is described. Applying the invention, it is possible to connect a turbocharger and a cylinder head to one another, simply, rapidly, and straightforwardly.

The invention provides a skid-mounted carbon dioxide gas absorption method and apparatus applicable to an offshore platform. The method comprises the following steps: conveying high-pressure gas (feed gas) with high carbon dioxide content and a barren decarburization solution (a barren solution) into a hypergravity absorption machine and allowing the barren solution to absorb CO2 in the feed gas to form a rich decarburization solution ( a rich solution) so as to realize purification of the feed gas; and allowing the rich solution to enter a desorption tower after flash evaporation and pressure reduction so as to realize release of CO2 and regeneration into a barren solution, allowing CO2 to enter a post-treatment system after treatment by a gas-liquid separator and re-inputting the regenerated barren solution into the hypergravity absorption machine for cyclic utilization. The hypergravity absorption machine and the like are integrally arranged to form a detachable skid-mounted integrated system. The apparatus provided by the invention employs a skid-mounting design, and is small in size, light in weight and applicable to space-limited occasions like an offshore platform; and through a combination of the method and the apparatus provided by the invention, CO2 in feed gas like natural gas and oilfield associated gas can be highly and environment-friendlily removed at low cost, low consumption and low discharge, and rational utilization of resources is realized.

The invention discloses a cement grinding aid as well as a preparation method and an application method thereof. The cement grinding aid comprises the following raw materials in parts by weight: 5-15 parts of triethanolamine, 5-20 parts of honey, 1-5 parts of sodium gluconate, 1-5 parts of N-sulfo-glucosamine potassium salt, 5-10 parts of C1-C3 alcohol and 40-100 parts of water. The invention aims to provide the cement grinding aid that the grain composition of cement added with the cement grinding aid is reasonable after powdering, the fineness of cement is appropriately reduced, the strength of grinded cement can be improved, and the comprehensive effect is relatively good.

The invention provides a junction-free field effect transistor and a formation method thereof. The formation method comprises the steps of providing a substrate with a first region and a second region; forming a first doped region and a second doped region; removing part of the substrate so as to form a first opening and a second opening; and filling with openings with a metal containing material layer so as to form a source region and a drain region in the first opening and the second opening respectively. The invention further provides a junction-free field effect transistor, which comprises a substrate, a first doped region, a second doped region, a first gate structure, a second gate structure, a first opening and a second opening, and is characterized in that the first opening and the second opening are internally provided with metal containing material layers which act as a source region and a drain region respectively. The beneficial effects of the invention lie in that contact resistance between the source / drain region and a conductive plug is small, turn-on current is increased, and the performance of the junction-free field effect transistor is improved; and the difficulty of a doping process is simplified, and the degree of an interface scattering problem possibly occurred in the doped regions is reduced to a certain extent.

The invention discloses a method for adhering a coating on an electronic element substrate. The method comprises the following steps of: a, material treatment, namely after mixing materials needing to be precipitated, sintering the mixture in a sintering furnace with nitrogen protection; and grinding the mixture into beta crystals after cooling; b, precipitation; and c, dip-coating. The film formed on the substrate by adopting a precipitation method first has the characteristics of smoothness, fineness, uniform thickness, no bubble or spot, and simple, convenient and easily-implemented operating method; and waste water can be recycled after returning to a water treatment system to be purified, so that the problem of environmental pollution is solved completely. The method guarantees the controllability of a product and improves production efficiency greatly; and taken photoconductive resistors as examples and calculated by millions of substrates, the method can finish the production within only 30 working hours and only 10 to 15 indirect working hours, reduce the waste defect rate 1 percent, save intensive human resources, and reduce cost.

The invention discloses a rotary furnace capable of simultaneously adopting hydrogen forward and reverse supply, and relates to a reduction furnace. Through structural improvement of an inner pipe of the furnace, product quality can be controlled, and a large amount of hydrogen and energy can be saved; the furnace comprises a furnace body and a furnace pipe; the furnace pipe penetrates the furnace body to be mounted on a rack, and the furnace is characterized in that the furnace pipe is arranged to be high in front and low in rear, the furnace pipe comprises the forward hydrogen reduction portion and a reverse hydrogen reduction portion, the forward hydrogen reduction portion comprises a front inner furnace pipe and a pre-mixing chamber, the front inner furnace pipe is mounted in the furnace pipe axially, a forward hydrogen reduction area is formed between the front inner furnace pipe and the furnace pipe, a hydrogen inlet is formed in the head of the furnace pipe, an exhaust pipe is arranged on the head of the front inner furnace pipe and penetrates the pre-mixing chamber to purify returned hydrogen, the reverse hydrogen reduction portion comprises a discharging pipe and a rear inner furnace pipe, the rear inner furnace pipe is axially mounted in the furnace pipe, the front end of the rear inner furnace pipe is closed, a certain distance is arranged between the front end of the rear inner furnace pipe and the rear end of the front inner furnace pipe, the rear end of the rear inner furnace pipe is close to the discharging pipe, and the tail end of the discharging furnace pipe is provided with a cold hydrogen inlet.

The invention provides an automatic material feeding, taking and pressing production line for a malleable material. The automatic material feeding, taking and pressing production line comprises a material feeding device, a material pressing device and a material taking device. Firstly, a hopper stops at a discharging port of a material distributing machine for material preparation, closing of a hopper cover is kept through a hopper switch locking device, a hydraulic cylinder is controlled through hydraulic driving, a material feeding manipulator telescoping mechanism is pushed to complete material feeding, an upper pressing oil cylinder is controlled through hydraulic driving, a material pressing machine piston is pushed to an upper pressing plate to press down and compress the material into blocks; secondly, liquid enters a lower cavity of the upper pressing oil cylinder, a piston and a movable cross beam are pushed to achieve return stroke motion, meanwhile a material taking telescoping mechanism and a lifting mechanism are hydraulically driven to complete formed material positioning of a material taking manipulator. Clamping mechanisms of fingers utilize a push rod and slide block mechanism to decide clamping and loosening of the manipulator according to different positions of the hydraulic cylinder, and the fingers moves on a polished bar to achieve clamping of the materialblocks; finally, a piston rod is hydraulically driven to perform return stroke motion, and the formed material is placed on a conveying belt for material conveying.

The invention discloses integrated sewage treatment equipment. The equipment comprises a plurality of tank bodies, wherein the tank bodies comprise a biological septic tank, an acidification and hydrolysis tank, an A-section biological reaction tank, an O-section biological reaction tank and a sedimentation tank in the water flow direction; wherein the biological septic tank is a sedimentation andfiltration tank containing biological sludge, the acidification and hydrolysis tank is a flocculation and sedimentation tank, the A-section biological reaction tank is an anaerobic biological reaction tank, and the O-section biological reaction tank is an aerobic biological reaction tank; the biological septic tank is connected with the acidification and hydrolysis tank through a grid filter screen; the acidification and hydrolysis tank is connected with the A-section biological reaction tank through a sewage pump and a pipeline; partition plates are arranged among the A-section biological reaction tank, the O-section biological reaction tank and the sedimentation tank, and the sedimentation tank is connected with the O-section biological reaction tank through a clean water pump and a pipeline. The equipment effectively solves the problems that existing rural sewage treatment equipment is time-consuming and labor-consuming in construction, prone to leakage, low in compressive strengthand poor in sewage treatment effect.

The invention relates to a method and a device for diagnosing a crankcase ventilation line (53) of a crankcase ventilation device (5) for an internal combustion engine (BKM) having a crankcase (20) and an intake tract (1) and a compressor (13) arranged in the intake tract (1) for compressing the intake air, wherein fresh air is channeled via a fresh air supply line (51) from the intake tract (1).Depending on a switch position of a shut-off valve (52) in the fresh air supply line (51), a flow of fresh air into a free volume of the crankcase (20) is enabled or inhibited, the free volume of thecrankcase (20) is connected to the intake tract (1) upstream of the compressor (11) by means of the crankcase housing ventilation line (53), during the process of crankcase ventilation the nitrogen oxide concentration in the crankcase ventilation line (53) close to the point of introduction into the intake tract (1) upstream of the compressor (13) is detected by means of a nitrogen oxide sensor (56) and, depending on the detected nitrogen oxide concentration, the tightness of the crankcase ventilation line (53) is evaluated.

The invention discloses a novel ultralow temperature stop valve and an operation method thereof, mainly solving the problems in the prior art that the leakage of a filling material is easily caused bythe long-term immersion of the filling material in ultralow temperature liquid; an ultralow temperature resisting temperature is relatively expensive; a low-temperature stop valve has a relatively poor airtight stability on a dynamic device; and the high moment closing easily causes the damage of a sealing surface. The novel ultralow temperature stop valve comprises a valve body, a valve rod anda hand wheel, wherein a valve cover assembly is arranged on the valve body; the valve rod is screwed into the valve cover assembly through a thread and is matched with the valve cover assembly; a valve cover conical surface is arranged at the lower end of a part, being in threaded connection with the valve rod ,of the valve cover assembly; and the hand wheel is fixedly connected to the valve rod through a hand wheel nut and an elastic washer. According to the technical scheme, when the valve is opened, the valve cover is reversely sealed to prevent the filling material from being leaked; the cost is greatly reduced; the micro-leakage and automatic opening are avoided on the dynamic device; meanwhile, the closing moment is reduced by 50%; and the service life of a sealing gasket is prolonged. The novel ultralow temperature stop valve is suitable for LNG, LO2, LN2, LAr and ultralow temperature pipelines and operation equipment.

The invention discloses a high-concentration acid-base reaction device which comprises a reaction tank body, wherein the outer wall of the reaction tank body is of a two-layer structure; a cavity formed by the inner layer is a neutralization reaction tank; an interlayer, which is a running water layer, is arranged between the inner layer and the outer layer; a thick acid inlet and a thick alkali inlet are formed in the upper part of the neutralization reaction tank; a running water inlet is formed above the running water layer, and a hot water outlet is formed below the running water layer and is connected with a first circulating pump; the first circulating pump is connected with a heat exchanger; the heat exchanger is connected with drying equipment or heating equipment; a temperature instrument and a pH instrument are arranged in the neutralization reaction tank; the running water layer is provided with a conductivity detection instrument. The high-concentration acid-base reaction device has the benefits that for high-concentration acid-base reaction, the reaction temperature is reduced, and the operation safety is improved; by the adoption of the two-layer structure, leakage of the reaction tank body can be conveniently monitored; the heat exchanger is used for collecting and recycling heat generated by the reaction, so that the operation cost and the handling expenses of an enterprise are lowered.

The invention provides a packer air pressure testing method and system. The method comprises the following steps: (1) a packer is mounted in a test shaft and set; (2) gas pressure in cavities being tested is improved to reach test pressure; (3) gas pressure in cavities into which gas may be leaked is detected, a molar weight or a volume at atmospheric pressure of leaked gas can be converted based on change of the gas pressure. After the first step and before the third step, gas in the cavities into which gas may be leaked is drawn in such a way that the cavities are in a vacuum state, an amount of n1 is reduced, sensitivity is improved, and measurement of leakage of microscale gas can be facilitated; when pressure tends to zero, gas tends to satisfy an ideal gas state equation, and therefore conversion of a volume of leaked gas n2 can be facilitated; V0 grade measurement required by API standards can be qualitative and quantitative.

The invention discloses a multifunctional mashing tool used in a kitchen. The multifunctional mashing tool comprises a cylinder, a first partition plate, a second partition plate, a sound producing portion and a cutting edge, wherein the cylinder is of a structure with an upward opening, the opening of the cylinder is a finger putting opening, the inner wall of the finger putting opening of the cylinder is fixedly provided with a buffer gasket, the middle-lower portion of the inner wall of the cylinder is fixedly provided with the first partition plate, a plate body at the sealed end of the cylinder is a second partition plate, and the first partition plate and the second partition plate sequentially divide the inner cavity of the cylinder into a finger putting portion and a sound producing portion. The use flexibility of the multifunctional mashing tool used in the kitchen is effectively improved on the premise that the use precision of the mashing tool is ensured, and thus vegetablejuice is effectively prevented from being left on the fingers of a user and hurting the eyes or skin. In addition, the multifunctional mashing tool used in the kitchen has the advantage of being convenient to use, and thus the use flexibility of the multifunctional mashing tool used in the kitchen is improved.

The invention discloses an environment-friendly sewage disposal device and a usage method thereof.The environment-friendly sewage disposal device comprises a left collecting plate and a right collecting plate which are of wedge-shaped plate structures, the left collecting plate and the right collecting plate are each provided with a collecting groove, the bottom face of each collecting groove is a wedge-shaped plate, and the wedge-shaped top face of each wedge-shaped plate is located on the front side; a transverse open groove is formed in the right side of the left collecting plate, a convex plate placed in the open groove is arranged on the left side of the right collecting plate, and the convex plate is connected with the groove wall of the open groove through a rotating shaft; a left collecting plate and a right collecting plate are respectively connected with a mounting ring, and each mounting ring is connected with an opening part of a collecting bag; the left end of the left collecting plate and the right end of the right collecting plate are each connected with a longitudinal handle rod. The sludge collecting device is convenient to use, low in cost and high in cleaning efficiency, sludge falling is avoided, and the cleaning effect is improved.

The invention discloses a no-junction field effect transistor and a manufacturing method therefor, and the method comprises the steps: providing a substrate; carrying out the doping so as to form a first doping region and a second doping region and to enable the doping types of the first and second doping regions to be different; forming a first grid structure and a second grid structure; removing a part of substrate, so as to form a first opening and a second opening; forming metal layers in the first and second openings; and carrying out the annealing of the metal layers and the substrate, so as to form source-drain regions. The invention also provides a no-junction field effect transistor, and the field effect transistor comprises the substrate; the first doping region and the second doping region; the first grid structure and the second grid structure; and the first and second openings, wherein the interiors of the first and second openings are provided with material layers containing metal, and the material layers serve as the source-drain regions. The beneficial effects of the invention lie in that the contact resistance between the source-drain regions and a conductive plug is smaller; the starting current is increased; the performance of the no-junction field effect transistor is improved; the technological difficulty is simplified; and the degree of interface scattering which may happen in the doping regions is reduced to some degree.

The invention discloses an environment-friendly garbage bin heating system. The environment-friendly garbage bin heating system comprises a garbage bin, a garbage discharge platform is embedded in oneside of the inner wall of the garbage bin, a garbage trestle is arranged on one side of the garbage discharge platform, the other side of the garbage discharge platform communicates with a channel, aheater is mounted on the garbage discharge platform, a fan is erected on one side of the heater, a quick closing door is mounted at an inlet of the garbage trestle, and heating radiators are embeddedin the two sides of the garbage trestle. Hot air of the garbage bin and the channel in the environment-friendly garbage bin heating system is extracted through self negative pressure, no compulsory measure exists, thus safety is high, and a heating effect is good; traditional heating equipment is directly mounted in the garbage bin and thus is prone to being corroded and leaking and low in life,and the traditional idea is changed in the innovative scheme; the defect that hot wind is directly blown into the garbage bin usually, consequently the negative pressure of the garbage bin is reduced,and odor leaks is avoided; and the risks of odor leakage and channel explosion caused due to the fact that hot wind is directly blown into the channel are avoided.

The invention discloses a singeing device for polyester filament non-woven geotextile production. The device comprises a box body and a flame jetting opening, the flame jetting opening is formed in the middle of one side of the box body, and the top of the inner wall of the side, away from the flame jetting opening, of the box body is rotationally connected with two first steering rollers throughbearings. The middle of the inner wall of the other side of the box body is rotationally connected with a second steering roller through a bearing, and the bottom of the inner wall of the side, closeto the first steering roller, of the box body is rotationally connected with a winding roller through a bearing. When the device is used, a knob is screwed, the position of a sleeve on a cross rod isadjusted, the bottom end of a rotating rod is pushed by the sleeve, and the rotating rod rotates by taking a sliding sleeve at the top end of a fixed rod as an axis, so that the position of an arc-shaped plate is changed, the tightening degree of geotechnical cloth is adjusted, knitting holes of the geotechnical cloth are opened conveniently, and fluff on the surface of the geotechnical cloth leaks more easily; and the singeing effect of the geotextile is optimized, and the contact surface of the arc-shaped plate and the geotextile is arranged to be an arc surface, so that the geotextile is prevented from being scratched.

The light-blocking sheet (11), which is an adhesive sheet, is mainly configured from a sheet (20) obtained from PET, etc. and an adhesive layer (31) that is formed on the underside of the sheet (20) and is obtained from a silicone adhesive. Slits (41) formed so as to pierce the light-blocking sheet (11) are configured from a first linear part (51), and a pair of second linear parts (52a, 52b) and a pair of third linear parts (53a, 53b) that extend respectively from the two ends of the first linear part (51). Because such slits (41) are configured so as not to overlap lines, represented by the dashed lines, which tie the one ends thereof with the other ends, the outward opening of each of the areas (65a - 65d) configured by the lines represented by the dashed lines and the slit (41) is facilitated. Consequently, during adhesion, escape of air between the light-blocking sheet (11) and the adherend is facilitated and because the opened areas subsequently return to the original state, light-blocking properties are not reduced.

The invention relates to the technical field of a coded lock and discloses a key type hidden coded lock and a method. The coded lock structurally consists of an opening reset device and at least one code unit device; an opening reset frame provided by the opening reset device is located between a key type dial-up device and a code setting device; the opening reset frame is provided with a convex block corresponding to an unlock slot arranged on the code unit device; the opening reset device is provided with a top rod corresponding to a positioning pin on the code unit device; the key type dial-up device passes through the opening reset frame through a rotating shaft so that the code unit device is formed into a coaxial structure with the code device. The coded lock and the method providedby the invention are usually used for common individual locks such as complete locks of box, bag, cabinet, door, vehicle and the like, solve the problems that the code of the coded lock is easy to leak and the security coefficient is low, and improve the security coefficient of the coded lock. And moreover, the coded lock provided by the invention is easy in technique and low in cost, is waterproof, moisture-proof and ageing resistant, uses no any other energy sources, is more beneficial for the artistic design of the appearance of the coded lock and gets rid of dependence on the key.

The invention discloses an unlocking password setting method, an unlocking method of electronic equipment and an unlocking system of electronic equipment. The unlocking password setting method comprises the following steps: providing a visible contact and / or a visible track to be operated in a preset visible region or a visible interface; performing matching verification on the visible contact and / or the visible track operated by the user and a preset visible contact and / or visible track; if not, the verification fails; if so, automatically displaying a hidden contact and / or a hidden track tobe operated in a preset hidden area or a hidden interface; recognizing a hidden contact and / or a hidden track of the user operation, and performing matching verification on the hidden contact and / or the hidden track of the user operation and a preset hidden contact and / or hidden track; if not, indicating that the verification fails; and if so, unlocking the system or unlocking the corresponding application program or unlocking the corresponding function item or unlocking the corresponding private space. Therefore, the complexity and the secrecy of the password are enhanced, and the security ofthe password is greatly improved.

The present invention relates to a chimney separation detection device for accurately detecting whether a chimney is separated from a flue of a boiler. The chimney separation detection device detects that the entire chimney is separated from the flue, and can easily detect that a part of the chimney is slightly opened from the flue, thereby ensuring high stability.

The invention provides an anti-seepage water stop structure on a water conservancy project, and relates to the field of water conservancy projects. The anti-seepage water stop structure comprises a concrete layer, wherein a waterproof plate is fixedly installed on the bottom side of the concrete layer, a same water tank is fixedly installed on one side of the concrete layer and one side of the waterproof plate, a material box is arranged in the water tank, an inserting hole is formed in the water tank, a filter box is inserted into the inserting hole, the bottom side of the filter box is in contact with the material box, and a flow guide plate is fixedly installed in the filter box. According to the anti-seepage water stop structure, a pull rod and a cleaning structure assembly are arranged, so that a cleaning rod cleans the top side of a filter plate through a plurality of brushes, and then the smoothness of the filter plate is guaranteed; meanwhile, a water stop plate is vertically arranged, so that water outlet is facilitated; and in addition, the filter box and a cover plate are arranged, when a large amount of silt is accumulated in the filter box, the filter box can be pulledout by pulling the cover plate, then two bolts are disassembled, then the cover plate can be taken down, so that the silt in the filter box can be conveniently cleaned, and the use of the filter boxis more convenient.

The invention discloses an organic-inorganic hybrid paraffin / silicon dioxide / modified illite powder phase change microcapsule as well as a preparation method and application thereof, and belongs to the field of preparation and application of novel functional phase change additives. The method comprises the following steps: S1, purifying illite; s2, modifying the illite; and S3, preparing the paraffin / silicon dioxide / modified illite powder phase change microcapsule. According to the synthesis method, the silicone rubber foam material is selected as a carrier and applied to the composite phase change material, energy storage can be achieved, the heat insulation performance and the use safety of the composite phase change material can be improved, paraffin is microencapsulated, the defect that paraffin is prone to leakage is overcome, the low-price illite is added, and the composite phase change material is prepared. Compared with a silicone rubber foam material synthesized by a traditional method, the density is smaller, and the thermal insulation performance is more excellent.

The invention relates to the technical field of repairing and maintaining, and specifically relates to a repairing tool for a bracket crane. The repairing tool for the bracket crane comprises a rack,a pulling mechanism, a power mechanism, a straightening mechanism and a shearing mechanism, wherein the pulling mechanism comprises two conveying rollers for conveying a steel wire rope; the conveyingrollers are rotatably connected to the rack; the power mechanism comprises a moving plate, and a mover for driving the moving plate to linearly reciprocate; the straightening mechanism comprises a straightening cylinder, a piston and a piston rod; the shearing mechanism comprises a supporting part and a shearing blade; the shearing blade is fixedly connected to the moving plate; the supporting part is fixed to the rack; the upper surface of the supporting plate and a center line of a second straightening groove are on the same horizontal plane. The repairing tool is capable of automatically straightening and shearing the steel wire rope.

The invention discloses a financial networking comprehensive safety and protection system, and relates to the technical field of safety and protection systems. The system comprises a camera, a cloud terminal, an image recognition module, an image encryption module, a classification recognition module, a face image database and a trusted computing node. The cloud terminal is used for receiving image information shot by all networked public safety cameras around a financial institution; the image recognition module is used for extracting face features in image information in the cloud terminal; and the image encryption module is used for encrypting the face feature information extracted from the image recognition module. The problem that the face data is easy to leak is effectively solved, and meanwhile, the recognition passing rate in the encrypted image is improved.

The invention discloses a self-sinking insertion type subsea pipeline mud-entering leakage test device, which comprises a mud surface base plate component, a shunting and control component and a mud-entering and leakage hole component, wherein the mud surface base plate component provides a supporting effect for the shunting and control component and the mud-entering and leakage hole component, the shunting and control component provides fluid connection, shunting and remote control functions, and the mud-entering and leakage hole component provides mud-entering construction and under-mud leakage hole simulation functions. According to the device, a remote control underwater device is adopted, the high-pressure cutting principle and the self-weight sinking principle of jet flow are utilized for mud entering construction, and the device is simple and easy to implement. By setting the aperture sizes and positions of the leakage pipe and the base disc nozzle, the leakage position of the real subsea pipeline is simulated, and the device has multiple functions. The device is simple in offshore construction, visible and controllable in water surface in a mud entering state and capable of being repeatedly used, various different leakage conditions can be simulated through one device, and research on subsea pipeline leakage is facilitated.