339results about How to "Reasonable setting" patented technology

The invention discloses a stamping production process self-adaptive control method, a stamping production line and a program product, and relates to the technical field of stamping machining. The method comprises the steps that stamping production data collected by a data collection unit are received, and the stamping production data comprise one or more of drawing inflow, die surface temperature, lubricating oil amount, closing height, blank holder force, forming force and material performance parameters; determining a quality performance prediction condition of the product based on the stamping production data; determining to-be-optimized data from the stamping production data according to the quality performance prediction condition; stamping process optimization parameters are determined according to the to-be-optimized data; and the stamping process optimization parameters are sent to a stamping controller of the stamping equipment, so that the stamping controller adjusts the stamping action of the stamping equipment according to the stamping process optimization parameters. Intelligent and automatic management of the stamping production line can be achieved, the production efficiency is improved, and the defective rate is reduced.

The invention discloses a spine rehabilitation training device, comprising: a rehabilitation training assembly comprising a head and neck supporting mechanism, a thoracolumbar supporting mechanism and a caudal vertebra supporting mechanism which are arranged at intervals from top to bottom and are connected with each other through a flexible connecting piece I, the head and neck supporting mechanism, the thoracolumbar supporting mechanism and the caudal vertebra supporting mechanism each comprise a plurality of air bag supporting pieces arranged at intervals. The plurality of air pumps are respectively used for supplying air to the plurality of air bag supporting pieces so as to adjust the pressure on each part of the body; and the control unit is connected with the plurality of air pumps and can independently control the start and stop of each air pump so as to control the pressure of each air bag supporting piece. Bed-in-bed, physical or exercise rehabilitation treatment methods can be selected according to different periods, and the application range is wide.

The invention discloses a structural bearing associated rocket time-phased Q alpha release value design implementation method. The method comprises the following steps: carrying out statistical analysis on actually measured high-altitude wind data aiming at a rocket launching site position to form a high-altitude wind statistical result; carrying out flight standard trajectory design of the rocket to form a standard trajectory data result; developing an attack tilt angle calculation result under a rocket standard trajectory to obtain a Q alpha preliminary design result changing along with flight time; rocket flight load calculation and rocket structure design and optimization are carried out, so that the structure of the rocket meets the carrying capacity; the time-phased Q alpha release value of the rocket launching site is formulated, multiple incremental Q alpha values are obtained on the basis of the preliminary design result of Q alpha, and the corresponding maximum Q alpha release value meeting the maximum bearing bending moment requirement serves as the time-phased Q alpha release value to be output according to the transverse bending moment load corresponding to the Q alpha values; and before emission, emission release evaluation is performed according to the release value of the time-segmented Qalpha. Therefore, the problem of low release probability in a traditional method is solved.

The utility model belongs to the field of parking space locks, and discloses a parking space lock which comprises a blocking piece, a locking piece and a locking piece. A driving unit; a transmission mechanism; a linear track; a substrate; when the driving unit drives the transmission part to move, the transmission part drives the moving part to slide along the linear rail and drives the connecting arm to slide along the linear rail and rotate relative to the moving part at the same time, so that the connecting arm drives the blocking part to turn over. When the blocking piece is subjected to external impact force in the open state, the blocking piece drives the connecting arm to move, the connecting arm drives the moving piece to slide relative to the linear rail, and the linear rail limits displacement of the moving piece in the direction perpendicular to the sliding direction of the moving piece. Power transmission is achieved through the transmission mechanism, the linear rail and the connecting arm are arranged independently, and the strength of the connecting arm and the transmission stability are guaranteed while the connecting arm moves; the linear track can assist the moving part in linear motion and can offset external impact force, so that the moving part is protected and prevented from being deformed and damaged; all the components can be integrated on the base plate, and therefore a user can conveniently install the parking space lock.

The embodiment of the invention discloses a vehicle electromagnetic brake with a manually released cam and a using method and application, and relates to the field of electromagnetic brake structures, and the vehicle electromagnetic brake with the manually released cam comprises a friction disc, a brake disc, an armature, a magnet yoke, a release plate and a release rod; the middle of the magnet yoke is sleeved with a gear sleeve, the armature and the brake disc are sequentially arranged on the outer side of the gear sleeve in a sleeved mode, and the brake disc and the gear sleeve are in radial transmission and axial sliding connection. The release plate is mounted at the bottom of the magnet yoke through a bolt, and one end of the release plate is rotationally connected with the release rod, so that the release rod rotates on the release plate; an abutting part is arranged at the end, facing the magnet yoke, of the release rod, a cam curve is formed on the abutting part, and the abutting part abuts against the magnet yoke through the cam curve; therefore, the electromagnetic brake can be manually braked through mutual cooperation of the release rod and the release plate.

The invention discloses a memory management method and device, electronic equipment and a computer readable medium, and relates to the technical field of memorizes.The method comprises the steps that a plurality of processes currently operated by the electronic equipment are obtained, and each process corresponds to at least one memory page; performing grouping operation according to the process identifier of each process to obtain a group corresponding to each process identifier; distributing a corresponding memory replacement strategy for each group; determining a to-be-swapped target memory page corresponding to the target group based on a memory replacement strategy corresponding to the target group; and executing memory swap-out operation on the target memory page. Therefore, the identifier of the process of each currently running thread can be grouped, so that corresponding cache replacement strategies can be set for different groups, the setting of the cache replacement strategies is more targeted, and the setting of swap-out operation is more reasonable.

The invention discloses a quantum circuit synthesis method and a related device, and belongs to the technical field of quantum computing, and the method comprises the steps: determining a target quantum circuit template from a quantum circuit template library based on a target unitary matrix; the target unitary matrix is input into a trained first prediction model, initial values of adjustable parameters of the target quantum circuit template are obtained through prediction, the first prediction model is obtained through training by taking fidelity maximization between an output unitary matrix and an input unitary matrix as a target, and the initial values of the adjustable parameters of the target quantum circuit template are obtained through prediction. The output unitary matrix is obtained by reconstructing the input unitary matrix; on the basis of the predicted initial value, optimizing an adjustable parameter in the target quantum circuit template; and when the fidelity between the unitary matrix corresponding to the newest adjustable parameter and the target unitary matrix meets a convergence condition, taking the target quantum circuit template corresponding to the newest adjustable parameter as a synthesized quantum circuit. By applying the embodiment of the invention, the synthesis efficiency of the quantum circuit can be improved.

A movable feeding device of a lime double-hearth shaft kiln comprises an integral moving trolley, a moving trolley guide rail, a combined portal frame, a rotary hopper supporting ring beam, a hopper supporting structure, a hopper rotation driving mechanism, a rotary hopper and a charging bell, the integral moving trolley walks on the moving trolley guide rail in a reciprocating mode, and the rotary hopper supporting ring beam is installed on the integral moving trolley. A hopper supporting structure and a hopper rotation driving mechanism are arranged on the rotary hopper supporting ring beam, the rotary hopper is erected on the hopper supporting structure and driven by the hopper rotation driving mechanism to rotate, the combined portal is fixedly connected with the rotary hopper supporting ring beam, and a charging bell lifting driving device is installed on the combined portal. The charging bell is arranged at a discharging opening in the bottom of the rotary hopper, a lifting shaft protection sleeve is arranged in the middle of the rotary hopper, and a transmission mechanism of the charging bell is connected into the lifting shaft protection sleeve in a penetrating mode. According to the utility model, two-way movable feeding of the kiln top can be realized, limestone materials are uniformly heated, the operation process is environment-friendly, and the operation is safe.

The lifting and moving working platform comprises a bridge frame, a track beam and a track lifting device, the track beam is arranged on the top face of a box type building, the bridge frame is movably connected to the track beam in the length direction of the track beam and used for installing working equipment, and the track lifting device is installed on the bridge frame and comprises a limiting part. The limiting part can limit the track beam in the vertical direction, so that the bridge frame and the track beam can synchronously ascend and descend in the vertical direction while relative movement of the bridge frame and the track beam in the length direction is not interfered, and the bridge frame and the track beam can serve as an integral module to be hoisted and placed. The working platform is reasonable in structural arrangement, convenient to move, high in automation degree and capable of achieving rapid hoisting and mounting, and the working efficiency is improved. The invention further provides a specific building structure disassembling method.

The invention discloses a fall detection method based on feedback fusion and label distribution, and belongs to the technical field of target detection. According to the invention, the problem of low fall detection precision caused by unreasonable reference frame setting, small feature information loss and fuzzy label distribution is solved. According to the invention, by improving the label box clustering method, the reference box is set more reasonably, and the obtained reference box better fits the fall detection data set; a feedback channel is added after convolution operation to ensure that small feature information is not lost; and dynamic label optimal allocation is realized from a global perspective by using a label allocation thought of minimizing total cost, so that the tumble detection precision is improved. The method can be applied to the field of fall detection.

The utility model discloses a carbon dioxide gas detection device and relates to the technical field of gas detection equipment. The mounting block is fixedly arranged in the middle of the bottom face of the mounting plate, and the bottom face of the mounting block abuts against the top face of the pipeline. The two clamping pieces are symmetrically arranged on the left side and the right side of the pipeline correspondingly, and the upper sides of the clamping pieces are rotationally arranged on the left side wall and the right side wall of the mounting block through shaft seats correspondingly; the two adjusting blocks are fixedly arranged at the lower ends of the two clamping pieces correspondingly. The two inner threaded pipes are fixedly arranged on the side walls of the two adjusting blocks correspondingly. The end part of the threaded rod is rotationally inserted into the inner threaded pipe through a thread; the lower ends of the section rods are in transmission connection with the threaded rods at the corresponding positions through bevel gear pairs; the carbon dioxide detector can be conveniently fixed on the pipeline, the operation is relatively simple, other fixing devices are not needed for fixing, the disassembly and assembly are convenient, the cost investment is reduced, and the practicability is stronger.

The utility model relates to the field of feed equipment, in particular to dry feed conveying equipment. The utility model provides an iron removal device in dry feed equipment, which comprises a front side plate and a rear side plate which are oppositely arranged, and two side edges of the front side plate and the rear side plate are respectively and fixedly connected with a side plate and a right side plate to form a cylinder with a hollow inlet and a hollow outlet. First magnetic devices are arranged on a first lower side plate of the front side plate and a second upper side plate of the rear side plate, and when dry feed passes through the barrel, iron impurities in the dry feed are removed by the magnetic devices. The device is simpler in structure, small in occupied area, convenient to operate, install and maintain and capable of being widely applied to farms and poultry houses. Compared with a traditional plug-in type iron removal mode, the magnetic component arranged in the iron removal device has a more flexible and convenient combination mode, and the production efficiency can be better improved while the iron removal effect is ensured.

The utility model discloses a soft endoscope cleaning device which comprises a fixing part, a cleaning cavity and a control unit. The cleaning cavity is of a vertically-arranged cylindrical barrel structure and is arranged below the fixing part. A plurality of cleaning nozzles are arranged on the cleaning cavity, the cleaning nozzles are arranged at intervals in the height direction of the cylindrical barrel, an acute included angle is kept between the cleaning nozzles and the axis of the cleaning cavity, and the cleaning nozzles conduct surface moistening spraying and pressurized spraying washing through cleaning media; the control unit is connected with the cleaning nozzle and the cleaning medium supply unit and used for controlling the spraying operation of the cleaning nozzle and the supply operation of the cleaning medium. The flexible endoscope cleaning device can effectively improve the cleaning efficiency and the cleaning quality of a flexible endoscope, has wide application prospects and development space, and can be widely applied and popularized in the fields of medical treatment, scientific research and the like.

The utility model discloses a portable heat-to-electricity outdoor gas heater, and relates to the technical field of heating equipment. Universal wheels are fixed at four corners of the lower surface of the mounting plate; the blocking frame is fixed to the outer bottom wall of the containing box. The inserting plates are fixed to the two side walls of the mounting plate correspondingly, and the upper sides of the inserting plates are movably inserted into the two side walls of the containing box. The fixed plate is fixed on the outer wall of one side of the placing box; the vertical plates on the two sides of the pull rod are inserted into the fixing plates, and the pull rod is connected with the insertion plate on one side through a linkage mechanism. Two limiting holes are vertically and symmetrically formed in the side wall, adjacent to the limiting rod, of the pull rod, and the limiting rod and the limiting holes are inserted in a matched mode; the positioning block is fixed to the upper side wall of the fixing plate, the limiting rod is inserted into the positioning block, the limiting rod is sleeved with the reset spring, and the two ends of the reset spring are fixedly connected with the limiting rod and the inner wall of the positioning block respectively; the universal wheels can be moved out when needing to be moved, so that the warmer is conveniently driven to move, the universal wheels can be stored during use, and the stability during use is improved.

The utility model discloses a high-reflection ultraviolet (UVB) crawler lamp, and relates to the technical field of crawler breeding equipment. The fixed shaft is sleeved and fixed on a lead of the lamp wick body, and the fixed shaft is fixed on the inner top wall of the lampshade; the reflecting plate is arranged in the lampshade, the reflecting plate is arranged on the fixed shaft in a sleeving manner, a plurality of reflecting convex balls are fixed on the lower surface of the reflecting plate, and the diameters of the reflecting convex balls are different; the auxiliary lampwick is arranged on the outer edge of the lower side in the lampshade at equal angles, and a rotating shaft sleeves a wire of the auxiliary lampwick and is inserted into the lower side wall of the lampshade; the angle adjusting mechanism is arranged in the lampshade and connected with the multiple rotating shafts. Linear irradiation can be carried out through the lamp wick body, light rays are emitted out through the opening of the lampshade through cooperation of the auxiliary lamp wick and the reflecting plate, the reflecting effect is good, and therefore the irradiation effect is improved.

The invention provides a soil permeability tester under a dry-wet or freeze-thaw cycle effect, which comprises a static pressure loading device part and a core test part which are connected and fixed through a bracket, the static pressure loading device part is composed of a hydraulic device, a hydraulic rod, a main body device, a bottom pedestal and a chute; the core testing part comprises a pressure rod, a pressure measuring pipe and a plastic top plate, the main body device comprises a reservoir and a sample cylinder, the reservoir comprises a first partition plate and a second partition plate, and the sample cylinder comprises a third partition plate and a fourth partition plate; the second partition plate and the third partition plate form a vertical guide drainage layer, and a water inlet is formed in the second partition plate; air holes are formed in the fourth partition plate; a bottom guide and discharge layer is arranged at the bottom of the sample cylinder, and resistance wires are arranged in the vertical guide and discharge layer and the bottom guide and discharge layer; a water outlet is formed; a ventilation opening and a humidifier are arranged on the second partition plate; the pressure rod comprises a first valve and a second valve; an extraction opening is formed in the plastic top plate; a barometer is installed on the fourth partition plate.

The utility model discloses a semiconductor processing machine tool positioning mechanism, and relates to the technical field of semiconductor processing. A plurality of sliding plates are bilaterally symmetrically arranged on the front and rear sides of the upper surface of the fixed plate, the lower sides of the adjacent sliding plates are fixed on a movable plate at equal intervals, the movable plate is slidably arranged in the fixed plate, mounting plates are bilaterally symmetrically arranged on the left and right sides of the upper side of the fixed plate, and the mounting plates are connected with the sliding plates; the first adjusting lead screws are in front-back symmetry in pairs and are rotationally connected to the left side and the right side in the fixed plate through bearings, and the movable plates are rotationally connected to the corresponding first adjusting lead screws through threads in a one-to-one correspondence mode. The adjusting motors are connected with one ends of the first adjusting lead screws in a one-to-one correspondence mode, and the adjusting motors are embedded in the fixing plate through waterproof covers. The abutting rods are symmetrically arranged on the side, adjacent to the center of the fixing plate, of the mounting plate in pairs and connected with the mounting plate through a driving mechanism. According to the invention, irregular semiconductors can be positioned, and the phenomenon of deviation does not occur in the processing process, so that the processing efficiency is improved.

The invention discloses a denitration urea hydrolysis hydrophobic utilization system and method. The system comprises a hydrophobic tank, a urea dissolving tank, a urea solution storage tank and a urea hydrolysis reactor, after the urea solution storage tank heat tracing water supply pipe exchanges heat with the urea solution storage tank, the urea solution returns to the drainage tank through the urea solution storage tank steam drainage pipeline, and the temperature of drainage returned to the drainage tank is reduced while the urea solution storage tank is heated; the cooled drain water enters the urea dissolving tank through a urea dissolving tank water supplementing pipe for preparing a urea solution, and is connected to a urea solution pipeline flushing pipe for flushing a urea solution pipeline to prevent urea crystallization; and the residual drain enters the boiler drain flash tank through a boiler drain flash tank pipeline, and returns to a unit thermodynamic system to serve as unit supplementary water. The problem of comprehensive utilization of heat and drained water is solved, the operation cost is reduced, the cyclic utilization level of water resources is improved, the wastewater treatment load is reduced, and the system tends to be reasonable.

The invention discloses a method for judging and controlling air leakage of a brake system. The method comprises the following steps: starting self-inspection; if yes, the air pressure of the brake air tank uploaded by the air pressure sensor is received; judging whether the air pressure of the brake air tank reaches a driving permitting condition or not; if yes, allowing the vehicle READY, or not allowing the vehicle READY; whether the air pressure of the brake air tank meets the air pump closing condition or not is judged, if yes, the VCU instructs the air pump to continue working, and if not, the VCU instructs the air pump to stop working; judging whether the working time is greater than a time threshold set by the VCU or not; if yes, the VCU sends an inflation timeout alarm to the instrument through the CAN bus, and otherwise, the VCU instructs the air pump to continue working; judging whether the actual vehicle speed is smaller than a vehicle speed threshold value set by the VCU or not; if yes, the VCU instructs the air pump to stop working; otherwise, vehicle READY is allowed; by the adoption of the technical scheme, it is ensured that braking air pressure exists in the traveling process, and traveling safety is improved.

The embodiment of the utility model provides a self-cleaning maintenance station and a maintenance system.The self-cleaning maintenance station comprises a maintenance station body, a clear water tank and a sewage tank, the clear water tank and the sewage tank are assembled in the maintenance station body, and the maintenance station body comprises a clear water pipe assembly connected with the clear water tank and used for connecting the clear water tank with the sewage tank; the clean water tank is configured to inject clean water into the clean water tank; the sewage pipe assembly is connected with the sewage tank and is configured to lead out sewage in the sewage tank; the water pipe groove is formed in the end, close to the bottom, of the maintenance station body and configured to contain at least one part of the clear water pipe assembly and / or at least one part of the sewage pipe assembly. According to the self-cleaning maintenance station, the layout of the clear water pipe assembly and the sewage pipe assembly is more reasonable, the space of the bottom of the self-cleaning maintenance station is fully utilized, the space positions of devices such as the heating assembly and the water pump assembly are prevented from being occupied, the devices in the self-cleaning maintenance station are arranged more reasonably, and the appearance is cleaner.

The invention discloses a composite sheet, an inner container, a cooking utensil and a manufacturing method of the composite sheet. The composite sheet comprises a metal matrix and a coating film. The surface of the metal base body is provided with a plurality of concave-convex structures which are arranged at intervals, and the concave-convex structures are convex or concave. The coating film is attached to the surface of the metal matrix through physical vapor deposition and covers the concave-convex structure, the coating film comprises a surface layer, and the surface layer is a columnar nanocrystal structure layer grown through physical vapor deposition. According to the application, the micron-sized concave-convex structure and the columnar nanocrystal PVD coating film are matched, so that the composite sheet has the characteristics of good non-stick property, hydrophobic property and easiness in cleaning on the basis of not arranging a special non-stick coating, and also has the effects of high hardness and scratch resistance.

The power system of the vehicle comprises a hydrogen storage container and a power battery, the hydrogen storage container is used for storing hydrogen, the hydrogen storage container is located on one side of an installation frame of the vehicle in the width direction of the vehicle, and the power battery is located on the other side of the installation frame. And the hydrogen storage container and the power battery are connected with the mounting rack. Therefore, the hydrogen storage container and the power battery are arranged on the two sides of the mounting frame respectively, compared with the prior art, the arrangement positions of the hydrogen storage container and the power battery can be reasonable, the type selection scheme of the power battery can be increased, the type selection difficulty of the power battery can be reduced, and moreover, the hydrogen storage container and the power battery are arranged on the two sides of the mounting frame respectively, so that the power battery is more convenient to use. Space can be saved, the space utilization rate can be improved, the arrangement difficulty of other parts can be reduced, the arrangement difficulty of a power system can be reduced, and compact design of the vehicle is facilitated.

This invention discloses a vertical cigarette packing device and its working method, which solves the problem of large footprint of existing cigarette packing machines. It has the beneficial effects of reducing the footprint of cigarette packing equipment and expanding the application range of cigarette packing machines. The specific solution is as follows: A vertical cigarette packing device includes a frame, which supports a multi-segment transfer mechanism, a cigarette pack flipping mechanism, and a flat plate opening and closing mechanism. The multi-segment transfer mechanism is located at the top of the frame and is connected to a clamping and suction composite clamp. The cigarette pack flipping mechanism is set on the side of the clamping and suction composite clamp. A cigarette pack clamping mechanism is set on the inner side of the frame of the cigarette pack flipping mechanism. The flat plate opening and closing mechanism is set below the cigarette pack clamping mechanism. The cigarette pack flipping mechanism flips several horizontal cigarette packs into a vertical state. The cigarette pack clamping mechanism clamps the vertical cigarette packs. When the flat plate opening and closing mechanism is closed, it supports the bottom of the vertical cigarette packs.

The utility model relates to a patch cord for radiator, including wire rod body and wrapping the periphery of wire rod body, the wire rod body includes a plurality of conducting wires, each conducting wire includes conductor and insulating layer, the insulating layer wraps the conductor, one end of the wire rod body is provided with a first wiring terminal, and the other end of the wire rod body is provided with a second wiring terminal. The other end is provided with a first extension line and a second extension line, and the tail end of the first extension line and the tail end of the second extension line are respectively provided with a second wiring terminal. The wire rod is compact in structure and reasonable in arrangement, and more radiator interfaces can be extended by adding the extension wire at the tail end of the wire rod body, so that the wire rod is convenient for a user to use and is favorable for meeting the requirements of the user.

The invention relates to the technical field of battery production, and particularly discloses polar plate dispensing and laminating integrated equipment which is characterized in that an anode plate conveying line is used for conveying anode plates, a finished product conveying line is used for conveying laminated polar plates, a pressing steel plate feeding conveying line is used for conveying pressing steel plates, and two polar plate feeding stations are used for feeding the anode plates and cathode plates respectively; the anode plate height measuring and gluing station is used for carrying out glue dispensing on anode plates on the anode plate conveying line, and the anode plate glue dispensing detection station is used for detecting the glue width, the glue height and the glue breaking condition of the anode plates on the anode plate conveying line; the polar plate laminating station is used for sequentially grabbing an anode plate subjected to dispensing detection on the anode plate conveying line, a cathode plate loaded by the polar plate loading station and a material pressing steel plate on the material pressing steel plate loading conveying line into a material tray on the finished product conveying line; the tunnel furnace is used for drying the laminated polar plate on the finished product conveying line; the processing efficiency of battery pole plate lamination is improved, and the pole plate lamination processing quality is easy to guarantee.

The utility model discloses a composite material cookware which comprises a cookware body, the cookware body is made of composite materials, a heating unit is arranged on the lower surface of the cookware body, the heating unit and the cookware body are fixed together through a stud, and the stud and the cookware body are arranged together through a butt-welding process. According to the design, the heating efficiency is improved, energy is saved, the heating body can be conveniently replaced in the later period, the maintenance problem in after-sales service is effectively solved, meanwhile, resource waste is reduced, and the use requirement of a user can be better met.

The invention discloses a wind turbine generator variable pitch PID gain dynamic adjustment optimization method and system. The method comprises the following steps that S1, a rotating speed-torque curve is determined; s2, variable-pitch PID gain setting is carried out under the limited rotating speed and the variable air density; s3, variable-pitch PID gain scheduling of the limited rotating speed is carried out; s4, variable-pitch PID gain scheduling of the variable air density is carried out; s5, performing variable pitch PID gain scheduling under variable turbulence; compared with an existing variable-pitch PID control method, the variable-pitch PID control method has the advantages that additional control means do not need to be added, the technical maturity is high, the needed hardware cost is low, robustness is good, the real-time performance is excellent, the influence of the limited rotating speed, air density and turbulence on variable-pitch PID gains is comprehensively considered, and the method is suitable for large-scale popularization and application. Therefore, the problems of overspeed rotating speed and power fluctuation of the generator caused by changes of the rotating speed and the air density under the condition of large turbulence are effectively reduced.

The utility model discloses an automatic riveting and assembling mechanism for a circuit breaker contact assembly, and belongs to the technical field of circuit breaker riveting equipment. The device comprises a first riveting mechanism, a second riveting mechanism and an assembly assembling mechanism, the first riveting mechanism is used for riveting a first assembly of the circuit breaker, and the first riveting mechanism comprises a first workpiece positioning part and a first riveting part; the second riveting mechanism is used for riveting a second assembly of the circuit breaker, and the second riveting mechanism comprises a second workpiece positioning part and a second riveting part; the assembly assembling mechanism is used for assembling the first assembly and the second assembly and comprises a workpiece supporting part and a crimping part. All the components of the mechanism are reasonable in arrangement, the circuit breaker forming process is simple, assembling is easy and convenient, the automation degree is high, the assembling efficiency is improved, machining is reliable, and the assembling accuracy of the circuit breaker components is improved; the components accurately support and position the circuit breaker component through the positioning parts, so that the quick riveting assembly of the circuit breaker contact component is realized.

The safety protection crawling ladder for construction comprises a crawling ladder body, damage prevention assemblies which make contact with a supported wall and are used for preventing the crawling ladder body from slipping and being abraded are fixed to the two ends of the upper end of the crawling ladder body correspondingly, and bottom fixing assemblies are fixed to the two ends of the lower end of the crawling ladder body correspondingly; the lower end of the bottom fixing assembly is movably connected with an occlusion disc used for being stably occluded with the ground. The meshing disc is movably connected to the lower end of the bottom fixing assembly, so that the meshing disc can rotate and be adjusted in any direction, and meanwhile, the meshing disc can be meshed with the ground surface, so that effective meshing between the crawling ladder body and the ground with the hard geology is achieved; the stability and the safety of the crawling ladder body used in a hard geological field are further guaranteed, the application range is enlarged, the safety and the reliability are high, when the crawling ladder is used in an uneven terrain field, the occlusion disc can be compactly occluded with the earth surface, and the practicability is higher.

The utility model relates to a pipe cleaner, which comprises a main body, a cleaning mechanism, a positioning mechanism and a defect detection mechanism, and the cleaning mechanism, the positioning mechanism and the defect detection mechanism are respectively arranged on the main body. The pipe cleaner has the beneficial effects that the structure is compact, the design is reasonable, and the problems that existing stains cannot be thoroughly cleaned, the pipe cleaner cannot be accurately positioned, the wall thickness cannot be detected, the pipe diameter change cannot be detected and the like are solved; meanwhile, the pipeline trend, the wall thickness and whether a welding seam is intact or not can be determined through the pipeline cleaner, pipeline deformation can be detected, internal and external hidden dangers existing in the pipeline can be found in time, the pipeline cleaner can carry an electromagnetic transmitting device to form an electronic tracking system together with a ground receiving instrument, and other matched accessories are configured; and various complex pipeline operation tasks are completed.