63results about How to "Less consumables" patented technology

The utility model discloses a kind of water culture devices for yunnan rhizoma polygonati breeding, it is related to yunnan rhizoma polygonati cultivation technical field, including culture rack, the culture rack is slidably connected with multiple water storage channels, and the water storage channel upper end is provided with culture plate;Multiple planting holes are evenly provided in the culture plate, and the culture plate upper end is connected with multiple fixed components, and fixed component is located planting hole outer end.The utility model design structure is reasonable, it can simultaneously carry different batches, different genotypes yunnan rhizoma polygonati breeding material, while independent water supply head, gate plate can individually adjust the water supply of each water storage channel, water supply frequency, realize the accurate management of "one tank one strategy", satisfy the individualized demand of different breeding material, to improve the success rate of breeding, can avoid the problem of "excessive supply" or "insufficient supply" caused by unified water supply, accurately match the demand of each growth stage of yunnan rhizoma polygonati, save water resource, nutrient solution and other consumables, reduce breeding cost.

The utility model relates to a kind of roadway top anchor rod self-adapting protection devices;The roadway top anchor rod self-adapting protection device is set between the anchor rod of the top of hydraulic support and roadway top;Including soft box body and graded gravel;The soft box body includes bottom plate and soft side wall, side wall is vertically connected in the edge of bottom plate, side wall is connected head to tail;The top of soft box body is open, and graded gravel is contained in soft box body.In the utility model, the roadway top anchor rod self-adapting protection device is set between the anchor rod of the top of hydraulic support and roadway top, can contact the graded gravel inside anchor rod and box body, the deformation of soft side wall is connected with anchor rod, device is set in the top of hydraulic device, so not only guarantee the load-carrying capacity of hydraulic support to roadway top is not lost, also protect the anchor rod of roadway top not to be damaged by hydraulic support.

The utility model relates to a skeleton partition wall board and a partition wall, the skeleton partition wall board comprises a partition wall board body, the partition wall board body comprises a filling board and skeletons, the skeletons are arranged on the front surface and the rear surface of the filling board, and the filling board is clamped and fixed between the two skeletons; pipeline grooves for accommodating pipelines are formed in the left side and the right side or the left side, the right side, the upper end and the lower end of the filling plate; at least one of the front surface and the rear surface of the filling plate is provided with a bottom box reserved block, the framework is provided with a bottom box reserved frame used for containing the bottom box reserved block, and after the framework clamps the filling plate, the bottom box reserved block is contained in the bottom box reserved frame. According to the framework partition wall board and the partition wall, the overall thickness and self weight of the partition wall board and the partition wall can be reduced, and the use amount of keel steel can be reduced.

The utility model discloses a building integrated photovoltaics (BIPV) guide rail type water guide groove connecting structure and a water guide assembly, the connecting structure comprises a supporting groove and a limiting piece, the limiting piece is located on the inner bottom wall of the supporting groove and longitudinally extends along the supporting groove, the cross section of the limiting piece is T-shaped, the limiting piece is used for being embedded with a guide groove in the outer bottom wall of the water guide groove, and the two ends of the supporting groove are open. The supporting groove is used for being inserted into the ends of the two water guiding grooves, the inner wall of the supporting groove can be attached to the outer walls of the water guiding grooves, first flat edges are arranged at openings in the two sides of the supporting groove, second flat edges are arranged at openings in the two sides of the water guiding grooves, the first flat edges are attached to the second flat edges, and locking pieces are arranged on the first flat edges and the second flat edges. The connecting structure is used for limiting the relative displacement of the supporting groove and the water guiding groove in the longitudinal direction and is good in waterproofness, good in wind uplift resistance and easy to install. The water guide assembly has long-acting water resistance and structural stability in a complex environment, and is simple in structure, convenient to disassemble and assemble, convenient to machine, low in material consumption and large in water guide amount.

The utility model relates to new energy battery technical field and provide a kind of battery cell and power battery.The utility model discloses battery cell including pole group in battery cell shell, cover is located the battery cell cover plate of battery cell shell top, and is located between the isolating protective piece of battery cell cover plate and pole group.Isolated protective piece includes isolating sheet attached in the inside of battery cell cover plate, and protective sheet can be buckled on isolating sheet, and hot melt structure is equipped between isolating sheet and protective sheet;Isolating sheet is equipped with the pole post via hole of the pole post on battery cell cover plate, and corresponding pole post via hole, protective cavity is equipped on protective sheet;In the case where protective sheet is buckled on isolating sheet, protective sheet is fixedly connected on isolating sheet by hot melt structure, protective cavity is received in the position below the bottom of pole post for the welding of tab, and the bottom of protective cavity is protruding towards pole group and abuts on pole group.The utility model discloses battery cell, it is favorable to improve the isolation protection effect between battery cell cover plate and its pole post and pole group.

The application belongs to the technical field of batteries, and discloses a bottom plate assembly, a battery box and a battery device. The bottom plate assembly comprises a frame, a cold plate, a limiting piece and a reinforcing structure. The cold plate is connected to the frame. The limiting piece is arranged on one side of the cold plate and is configured to limit a battery pack or a battery monomer. The reinforcing structure is arranged on the other side of the cold plate. The reinforcing structure comprises a transverse reinforcing piece and a first longitudinal reinforcing piece. The transverse reinforcing piece is connected to the cold plate. The first longitudinal reinforcing piece is connected to the frame and abuts against the cold plate. The first longitudinal reinforcing piece is provided with a strip-shaped hole. A first connecting piece penetrates through the strip-shaped hole and is connected to the first longitudinal reinforcing piece, the cold plate and the limiting piece. The bottom plate assembly, the battery box and the battery device provided by the application have lighter weight and less welding consumables.

This invention provides a foldable paper tray for mobile phone packaging boxes, aiming to offer a low-material-consumption structural design solution for the mobile phone packaging box industry without sacrificing structural strength. The invention mainly includes a one-piece molded middle plate and side plates located on both sides of the middle plate. A receiving cavity is formed within the middle plate, and an accessory cavity extends downwards from the bottom surface of the receiving cavity. A base is formed on the lower surface of each side plate. After folding the two sets of side plates in a centered manner, the outer contour of the accessory cavity is enclosed between the two sets of bases. In use, with the folded plate as the height of the folded product, the bases on both sides simultaneously support the receiving cavity and accessory cavity inside the middle plate along the height direction, thus forming a multi-layer structure to achieve the required structural strength and load-bearing capacity of the product. At the same time, the hollow design of the base and the hollow design inside the middle plate greatly simplifies the overall solid parts of the paper tray product, significantly reducing material consumption.

This invention discloses a method for detecting paper tube fireworks, including shaping the paper tube fireworks, first photographic detection, and deformation of the outer perimeter. The deformation component squeezes or stretches the outer perimeter, causing the fuses inside the fireworks tube to move. A second photographic detection is then performed, followed by comprehensive data analysis. First, the paper tube fireworks, just assembled mechanically, are shaped to ensure a regular shape and accurate arrangement of all paper tubes during photographing. This allows for accurate capture of the fuses inside each individual tube, avoiding interference between tubes and significantly reducing the amount of data processing required. Second, after the first photograph, the outer perimeter is deformed, and a second photograph is taken. This deformation causes a slight shift in the two fuses inside each tube, and a second photograph is taken, causing misalignment of overlapping fuses and reducing the false positive rate.

This utility model relates to the field of battery technology and discloses an adjustable steel strip mechanism, a battery module, and a battery pack, comprising: a steel strip body; a rotating structure rotatably configured, the steel strip body being wound around the rotating structure; and an adjusting structure pulsatorically connected to the rotating structure, the adjusting structure being adapted to rotate the rotating structure to drive the steel strip body to extend or retract from the rotating structure. This utility model allows for the adjustment of the extension length of the steel strip body according to the size of the battery module, improving compatibility with the battery module, simplifying the process flow, and reducing material consumption. Furthermore, when the battery cells expand or contract, the preload on the battery pack can be adjusted by regulating the extension length of the steel strip body, ensuring that the steel strip body provides a stable preload to the battery pack, thereby ensuring the stability and accuracy of the position of each battery cell.

The application discloses a rigidity design method of a self-standing reinforced steel chimney, and belongs to the technical field of structural engineering. Firstly, according to the chimney size of the preliminary design and the basic wind pressure value of the design, the standard value of the along-wind load and the equivalent static load of the transverse-wind vortex-induced resonance are respectively calculated, and based on the virtual work principle of structural mechanics, a theoretical solution of the top horizontal displacement of the chimney is obtained. Secondly, considering the influence of the deformation characteristics of the chimney shell and the like, the theoretical solution is multiplied by a maximum horizontal displacement correction coefficient to obtain a real value of the maximum absolute value of the horizontal displacement of the top of the chimney cylinder. Finally, whether the real value of the horizontal displacement exceeds the limit value of the specification is checked to determine whether the chimney wall thickness needs to be increased to improve the rigidity. The application is accurate and reliable, simple to calculate, can save the building materials as much as possible under the premise of ensuring the reliable rigidity of the chimney cylinder structure, and is helpful to obtain a reasonable and reliable rigidity design scheme of the self-standing reinforced steel chimney under the combined action of the along-wind load and the transverse-wind load.

The application discloses a kind of drilling hole sealing equipment and hole sealing method, it is related to geological exploration equipment technical field, the device includes: backfill component, it is located in the bottom surface of hole sealing control platform, backfill component is used to store or transport backfill material, and backfill component can be moved relative to hole sealing control platform;Weighing assembly, it is set in hole sealing control platform, and conveying assembly is equipped on weighing assembly.The hole sealing component is set on the top surface of hole sealing control platform, and the hole sealing component at least partially passes through hole sealing control platform, and extends into backfill component and performs stirring action.The weighing and hole sealing backfill component are integrated in the application, not only facilitate the operator, but also improve the efficiency.The weighing device can directly weigh the hole sealing raw material, can accurately equip the amount of cement mortar and required clay ball, and all fill into hole through conveyor belt and hopper, save material consumption, so as to achieve optimal hole sealing.

The utility model relates to the technical field of machining equipment, in particular to a workpiece machining device based on rapid feeding and discharging, which comprises a machining part, two carrier plates, two X-axis driving parts and a Y-axis driving part, the two carrier plates are respectively arranged on two sides of the machining part, the carrier plates are used for bearing and conveying workpieces, the output ends of the carrier plates are connected with the output ends of the X-axis driving parts, and the Y-axis driving parts are connected with the output ends of the Y-axis driving parts. The X-axis driving part is connected with the output end of the Y-axis driving part, the Y-axis driving part is connected with the machining part, the X-axis driving part is used for driving the carrier plate to move in the X-axis direction, and the Y-axis driving part is used for driving the carrier plate to move in the Y-axis direction. By means of the design mode of the two carrying plates and the two X-axis driving parts, the two carrying plates are used for feeding and discharging work of the two workpieces respectively, feeding and discharging work of the workpieces and machining work of the workpieces can be conducted synchronously, the steps of feeding and discharging of the workpieces can be simplified, the time needed by feeding and discharging of the workpieces is shortened, and the machining efficiency of the workpieces is improved. And the machining efficiency of the workpiece is improved.

The invention discloses a flexible circuit board production line based on an intelligent circulating conveying platform, and belongs to the technical field of flexible circuit board manufacturing. The production line comprises a rack, and a pressing bracket and a conveying bracket which are arranged on the rack. A hot-pressing unit and a cold-pressing unit are sequentially arranged on the pressing support, and the conveying support is provided with an upper-layer conveying line and a lower-layer conveying line. Automatic transfer of workpieces among hot pressing, cold pressing and lower-layer conveying lines is achieved through a carrying mechanical arm on the portal frame, and a continuous operation flow is formed. Wherein there is an auxiliary cover film, which has support rigidity at room temperature and can melt and decompose at a hot pressing temperature without a separate tear step. In cooperation with the material and the process, low-temperature pressure equalizing, heating decomposition and curing and pressure maintaining curing are sequentially completed in the hot pressing unit, and programmed cooling is conducted in the cold pressing unit. According to the invention, material innovation is deeply coupled with equipment and a process, a film tearing link in a traditional lamination process is thoroughly eliminated, and process simplification, precision improvement and full-automatic continuous production are realized.

This invention discloses a tube end surface fixation device and a stoma tube assembly. The stoma tube assembly includes a fixation device and a stoma tube body. The stoma tube assembly is used for intubation and stoma placement after colorectal tumor surgery to divert ileal contents and prevent anastomotic leakage. The stoma tube balloon pressure can be monitored in real time, and leakage (incomplete diversion blockage) can be monitored, maximizing the blocking effect of ileal contents. The fixation device includes a base plate, a stoma bag, and a fixator. The base plate is divided into an inner base plate and an outer base plate. The inner base plate is detachably connected to the fixator, and the outer base plate is detachably connected to the stoma bag. By setting the base plate as inner and outer rings, the possibility of displacement of the stoma tube body due to traction when the contents of the stoma bag reach a certain weight is effectively reduced. Patients can replace the inner or outer base plate individually according to specific circumstances without replacing the entire base plate, which saves consumables and simplifies the base plate replacement process, making the replacement process more convenient and safer.

This invention discloses a pipe node connection assembly and an aquaculture cage, relating to the field of deep-sea aquaculture equipment technology. The pipe node connection assembly is applied to an aquaculture cage, which includes a central column and multiple edge columns. The pipe node connection assembly includes struts, spokes, and an elbow plate structure. Adjacent edge columns are connected by struts, with each edge column connected to two struts. The central column is connected to multiple edge columns via multiple spokes, with the spokes positioned between two struts on the same edge column. The elbow plate structure is fan-shaped and connected to the outer periphery of the edge columns. The elbow plate structure is positioned between the struts and spokes, with the radial sections on both sides of the elbow plate structure connected to the struts and spokes, respectively. This invention, through the coordinated arrangement and connection of the struts, spokes, and elbow plate structure, effectively enhances the connection strength and stress concentration resistance of key pipe nodes in the aquaculture cage, while reducing structural complexity and saving economic costs.

The utility model relates to a bridge transverse damper with resetting and grading energy consumption functions, which particularly comprises a beam bottom connecting plate, a limiting baffle, a beam bottom connecting plate bolt, a pier top connecting plate bolt, a steel rod right end nut, a steel rod left end nut, a steel rod, an SMA disc spring group, a triangular steel plate and a pier top connecting plate. The triangular steel plate is connected with the pier top connecting plate, a round hole is formed in the upper portion of the triangular steel plate, the limiting baffles are connected with the beam bottom connecting plate, the limiting baffles are provided with horizontal guide grooves, the SMA disc spring groups are arranged between the adjacent limiting baffles and the triangular steel plate, and the steel rod sequentially penetrates through the guide grooves of the limiting baffles, the SMA disc spring groups and the round hole in the upper portion of the triangular steel plate. And the steel rod right-end nut and the steel rod left-end nut are screwed at the thread tooth opening at the end part of the steel rod, so that the bridge transverse damper with resetting and graded energy consumption functions is formed. Under frequent earthquakes, the SMA disc spring group is used for providing energy dissipation and reset capacity, and under rare earthquakes, the triangular steel plates generate plastic deformation to dissipate earthquake energy.

A robot joint relates to the technical field of robots and comprises a robot shell and a gear transmission mechanism. The robot shell is provided with a mounting cavity and a mounting hole which communicate with each other. The gear transmission mechanism is mounted in the mounting cavity, an input part of the gear transmission mechanism is used for being in transmission connection with a driver mounted in the robot shell, and an output part of the gear transmission mechanism is exposed to the mounting hole and is used for being in transmission connection with an execution piece rotationally mounted on the robot shell. The integration degree can be improved, the utilization rate of the internal space of the robot shell is increased, the large-speed-ratio transmission target in the limited space is achieved, consumables can be reduced, the cost can be reduced, and the risks of abnormal sounds, radiography and other problems caused by secondary installation of a traditional speed reducer are reduced.

The utility model belongs to the technical field of motor cooling, and relates to a high-power small-base high-efficiency motor with a wind path structure, which comprises a cylindrical hollow base, a motor shaft penetrating through the base, a rotor fixed on the motor shaft, a fan fixed at one end of the rotor, and a stator core fixed in the base. The rotor is rotatably connected in the stator core, a first gap and a second gap are respectively reserved between the rotor and two ends of the base, and the inner side wall of the base is provided with a first axial ventilating duct communicated with the first gap and the second gap. The rotor is internally provided with a second axial ventilating duct which is communicated with the first gap and the second gap. A heat dissipation channel is formed among the first gap, the first axial ventilating duct, the second gap and the second axial ventilating duct. According to the utility model, the size of the motor can be reduced, material consumption of the motor is reduced, and the temperature in the motor can be reduced and the wire load of the motor can be improved through good internal ventilation circulation.

The embodiment of the utility model provides a power supply fixing device and a power supply, and the power supply fixing device comprises a bottom plate which is provided with a first surface and a second surface, and the interior of the first surface is provided with a pair of first bending parts and a pair of second bending parts which protrude along a first direction perpendicular to the first surface; the fixing plate is arranged on the first surface of the bottom plate, and a pair of first protruding parts which can be clamped with the first bending parts and protrude in the first direction and a pair of second protruding parts which can be clamped with the second bending parts and protrude in the second direction parallel to the first surface are arranged in the fixing plate; the first bending part and the second bending part are arranged in a third direction perpendicular to the first direction and the second direction, and the fixing plate can move relative to the bottom plate in the third direction under the condition that the first bending part and the first protruding part are clamped and the second bending part and the second protruding part are clamped. Therefore, the matching structure of the power supply fixing device is simplified, the number of bending times is effectively reduced, consumables can be reduced, and the cost is reduced.

This invention discloses a natural sedimentation liquid-based cell preparation and single-cylinder pathological staining device, belonging to the field of pathological automation technology. The device includes a slide preparation unit, a staining unit, and connecting components. The slide preparation unit has both centrifugation-free and centrifugation modes. Cell enrichment is completed without centrifugation in a capless preservation bottle. Pushing the slide against its drain valve allows for directional and quantitative transfer of sample solution and cell sedimentation without opening the cap. After slide preparation, a pusher horizontally pushes the slides one by one into a slide holder, which then flips to a vertical position and descends into the single-cylinder staining tank. The staining unit / device uses a bidirectional liquid pump and a bidirectional liquid valve to control the alternating extraction and release of different reagents, completing multi-step sample staining within a single tank. This invention eliminates traditional methods such as robotic arm liquid transfer or slide transfer, and individual slide staining, employing advanced fluid control technology to significantly improve the efficiency of slide preparation and staining, while reducing manufacturing and usage costs.

The application relates to the field of motor technology, in particular to a SPOKE salient pole DD motor for a drum washing machine, which comprises a shell connected with an inner drum of the washing machine, a stator assembly connected with an outer drum of the washing machine and a rotor assembly installed on the shell, the rotor assembly comprises a rotor core and first permanent magnets and second permanent magnets arranged on the rotor core, the rotor core is arranged in a circular ring, a plurality of first permanent magnets and second permanent magnets are alternately arranged in sequence along the circumference of the rotor core, the first permanent magnets are arranged along the radial direction of the rotor core, and the second permanent magnets are arranged along the tangential direction of the rotor core. The application has the effects of improving the magnetic leakage problem of a conventional SPOKE salient pole DD motor, improving the motor performance and efficiency, and the motor in the scheme has low production cost and the structure is easy to mass-produce.

The utility model discloses a surface treatment shielding protection adhesive tape, include: adhesive tape base layer, first adhesive tape, set up on adhesive tape base layer, set up first tear opening on it, set up isolation membrane in first tear opening, and isolation membrane is connected first adhesive tape through first adhesion block, isolation membrane base layer is bonded on the glue surface of adhesive tape base layer, and set up second tear opening on it, second adhesive tape is set up in second tear opening, and it is connected isolation membrane base layer through second adhesion block, and the size of second adhesive tape and first tear opening is identical, and the glue surface of second adhesive tape is bonded on isolation membrane, the utility model discloses can solve the problem that the use consumable of present surface treatment shielding protection adhesive tape is bigger, and the storage, taking, adhesive tape tear of adhesive tape roll is inconvenient, and the operation process is complicated, and the problem that the use convenience is poorer.

The utility model solves the problem that time and labor are wasted when a rectangular base pad and a plurality of protective barrier strips are assembled on a storage base plate, and relates to the technical field of base plates, in particular to a battery block storage base plate which comprises the rectangular base pad, a limiting assembly is detachably installed on the rectangular base pad, and two positioning structures are detachably installed on the rectangular base pad. The two positioning structures are diagonally arranged, a groove is formed in the top of the rectangular bottom pad, the limiting assembly comprises six barrier strips arranged on the top face of the rectangular bottom pad, the six barrier strips are evenly distributed on the front side and the rear side of the groove, and two limiting strips located on the two sides of the groove respectively are further arranged on the top face of the rectangular bottom pad; the bottom wall of the groove is provided with a reinforcing set connected with the barrier strip and the limiting strip, and a fixing nail extending into the rectangular bottom pad is inserted into the limiting strip. Consumable materials can be effectively saved while the structural strength is guaranteed, and meanwhile the number of fixing nails needed when the rectangular bottom mat is assembled with the rectangular bottom mat is reduced.

The utility model discloses wear resistance test equipment for a ball of a ball-point pen, and aims to provide the wear resistance test equipment for the ball of the ball-point pen, which is used for efficiently and actually testing the wear resistance of the ball of the ball-point pen. The device comprises an operation table; the supporting frame is movably connected with the operation table; the clamping assembly is connected with the supporting frame in a lifting mode; the buffering assembly is connected with the supporting frame, and the clamping assembly is elastically connected with the buffering assembly; the grinding plate is movably connected with the operation table, and the clamping assembly is movably connected with the grinding plate; the inspection plate is movably connected with the operation table, and the clamping assembly is movably connected with the inspection plate; and the positioning strip is movably connected with the inspection plate. The utility model has the beneficial effects that the high-efficiency ball-point pen ball wear resistance test is realized; the test efficiency is high, and consumables are saved; the operation precision can be conveniently controlled; the test accuracy is improved; the connection stability between the structures is improved; the operation stability is improved; the adjustment is convenient.

The embodiment of the present disclosure relates to the technical field of electronic equipment, and provides a rocker device and a handle, the rocker device comprising: a rocker, a sensing assembly, the sensing assembly comprising a slider, a first electrode plate and a second electrode plate, the slider being fixedly connected with a movable electrode plate, the first electrode plate and the second electrode plate being located on the same side of the slider away from the rocker, and the first electrode plate and the second electrode plate being fixed in a housing, the slider being connected with the rocker, and the rocker moving to drive the slider to move in the housing; and a control unit, the control unit being connected with the first electrode plate and the second electrode plate, for detecting a capacitance value between the first electrode plate and the second electrode plate, and outputting angle information of the rocker according to the capacitance value between the first electrode plate and the second electrode plate. The embodiment of the present disclosure can at least improve the sensitivity and reliability of detecting the rotation angle of the rocker, and can also reduce the manufacturing cost of the rocker device.

The application relates to a preparation method of high-pre-stretch polyethylene wrapping film with elastic memory, and belongs to the technical field of polymer material processing. The application aims to overcome the problems of the existing wrapping film, such as the decline of mechanical properties, the serious stress relaxation and the easy migration and pollution of liquid tackifier under the conditions of film thinning and high-pre-stretching. The technical scheme of the application is characterized in that a functional asymmetric five-layer co-extrusion structure is adopted, the structure is sequentially arranged from inside to outside as an adhesion layer, a first transition reinforcing layer, a core elastic layer, a second transition reinforcing layer and a smooth peeling layer, the core elastic layer is composed of a molecular network of octene metallocene linear low-density polyethylene and propylene-based polyolefin elastomer, the adhesion layer provides dry physical self-adhesion force by using propylene-based polyolefin elastomer, the surface rheological behavior is adjusted by using fluoropolymer processing aids in each layer, and a stepwise temperature rising extrusion and air knife pinning quenching process is adopted for forming.

The utility model discloses a temperature sensor, relates to the technical field of temperature sensors, and aims to solve the problems in the prior art that the temperature sensor needs to be completely disassembled and replaced after being damaged, the wiring position needs to be disassembled and then rewired, the operation is very inconvenient when the temperature sensor is located at a narrow part, and the use convenience is insufficient. The fixed power connection seat is fixed at the installation position of the temperature sensor, a quick-release connection seat is arranged below the temperature sensor body, a first electrode plate is arranged above the fixed power connection seat, a second electrode plate is arranged below the quick-release connection seat, and the first electrode plate and the second electrode plate are electrically connected in a contact mode. The temperature sensor body is electrically connected with the second electrode slice, a connector lug is fixedly installed on one side of the fixed power connection seat, and positioning pins are arranged below the quick release connection seat and connected with the fixed power connection seat in an embedded mode.

The present application provides a handle password lock structure, which sets the key password structure in the cylindrical handle, and integrates the panel and handle of the existing key password lock, so that the structure of the key password lock is more simple and beautiful, the volume is small, the space occupied on the door is small, the packing volume is small, the manufacturing materials are less, and the manufacturing cost is low.

The invention belongs to the technical field of foundation pit engineering supporting, and particularly relates to a slant supporting pile supporting system convenient to mount and demount and a using method.The supporting system comprises a fender post, a top beam is arranged at the top end of the fender post, and the fender post is arranged in a foundation pit and close to the side wall of the foundation pit; the counter-force mechanism is arranged at the top of the side wall of the fender post and located on the side, close to the interior of the foundation pit, of the fender post; the hydraulic mechanism is detachably connected to the adjusting end of the counter-force mechanism; and the supporting mechanism is detachably connected to the telescopic end of the hydraulic mechanism, the supporting mechanism is obliquely arranged in the bottom of the foundation pit, and the supporting mechanism inclines towards the fender post. Rapid driving and installation of the inclined supporting pile system can be achieved without depending on a large machine, after the supporting system is installed, the axial force of the inclined supporting piles can be monitored in real time, and after foundation pit construction is completed, most components of the supporting system can be recycled and reused.

The invention relates to the technical field of metal surface treatment, in particular to a continuous selective nickel-tin electroplating method and system for a precise electronic element, and the method is used for realizing high-precision selective tin plating of a specific area and ensuring that a plating layer (especially a local plating area) has excellent binding force, uniformity and compactness; and through optimized process design and pollution control, the overall performance and the product yield of the plating layer are improved.