1008results about How to "Shorten maintenance time" patented technology

The invention discloses a plan optimization system for distribution network maintenance, which relates to the technical field of power grid management and comprises an intelligent maintenance scheduling optimization module, an equipment monitoring and prediction module, a panoramic maintenance plan simulation module, a dynamic risk assessment module and an inspection robot management module. The intelligent maintenance scheduling optimization module is used for analyzing power distribution network data, and the equipment monitoring and prediction module is used for monitoring the operation state of power distribution network equipment and predicting the time and position of future faults. And the panoramic maintenance plan simulation module dynamically simulates the maintenance scheme. By introducing various models, the defects of the traditional technology in the aspects of flexibility, real-time performance and accuracy are effectively overcome, so that the system has adaptive learning and dynamic adjustment capabilities, can quickly respond to faults and optimize resource scheduling in a complex and changeable working environment, and remarkably reduces the maintenance cost and time; according to the system, the stability and reliability of distribution network equipment are greatly improved, and a solid technical support is provided for intelligent power operation and maintenance.

The invention discloses a distributed intelligent drip irrigation control system based on the Internet of Things, and belongs to the technical field of agricultural irrigation. The distributed intelligent drip irrigation control system comprises a basic water conservancy facility used for providing a water supply demand of certain water pressure for a drip irrigation system; the water tower is designed as a constant-pressure water source to ensure the water pressure uniformity of the whole irrigation area; the water and fertilizer mixing box is used for mixing fertilizer and water in proportion to form a water and fertilizer solution suitable for being absorbed by crops, the mixing proportion is determined by an algorithm # imgabs0 #, F is the fertilizer concentration, Nreq is the nutrient amount needed by the crops, and Nsoil is the current nutrient amount in soil. According to the invention, through efficient and accurate water and fertilizer resource management, the problems of unreasonable resource allocation, low utilization efficiency and the like in a traditional irrigation method are solved, and through integration of an advanced sensor technology, a wireless communication module and an intelligent control algorithm, accurate regulation and control of farmland water and fertilizer supply can be realized; and an irrigation strategy can be automatically adjusted according to real-time environment data and crop growth conditions.

A plugging device for an internal expansion type heat exchange tube of a heat exchanger comprises a sealing body, a rubber pad, a positioning ring and a locking nut. The sealing body comprises a column section, an extrusion section coaxially connected with one end of the column section and a threaded section coaxially connected with the other end of the column section. The rubber pad is annular, is arranged on the periphery of the column section in a sleeving manner and can move in the axial direction relative to the sealing body; the positioning ring comprises an extrusion part and a positioning part; the extrusion part sleeves the periphery of the threaded section and can move in the axial direction relative to the sealing body; the positioning part is arranged at one end, far away from the rubber pad, of the extrusion part; the outer diameter of the positioning part is larger than that of the extrusion part; the locking nut is arranged on the outer side of the positioning part and is in threaded connection with the threaded section. The quick plugging device can be directly inserted into the ports at the two ends of the damaged heat exchange tube to expand the inner wall of the heat exchange tube, so that the two ends of the heat exchange tube are quickly plugged. Complicated welding or large-scale dismounting operation is not needed, the leakage problem of the heat exchange tube is rapidly solved, and production continuity and economic benefits are guaranteed.

The invention relates to the technical field of power system fault detection, and discloses a 10kV cable single-phase earth fault detection method based on an adaptive algorithm, and the method comprises the following steps: S1, employing a voltage collector and a current collector to collect the power frequency and transient signals of a switching station integrated intelligent terminal strip; s2, filtering and de-noising the collected signals through a self-adaptive digital signal processing algorithm; s3, adaptively determining a single-phase earth fault signal component, and identifying the most significant frequency band; s4, extracting features of the fault signal by using a multi-band multi-criterion adaptive algorithm; and S5, based on the extracted features, selecting the most significant criterion for single-phase earth fault detection. Through an adaptive algorithm and a deep learning model, the detection and recognition precision of a complex single-phase earth fault is improved, real-time intelligent processing is realized through an integrated monitoring module, misjudgment is reduced, the operation and maintenance efficiency is improved, the system adapts to multi-scene application, and the intelligentization and power supply reliability of the system are enhanced.

The invention relates to the technical field of thermal power plant equipment maintenance, and discloses a thermal power overhaul platform fusing equipment information, overhaul standards and GIS dynamic grids, the platform is integrated with an equipment information acquisition module, and the equipment state, operation parameters and appearance images are acquired in real time; accurate positioning and space management of equipment are realized through a GIS dynamic grid construction module; the maintenance standard matching module automatically matches maintenance standards according to equipment characteristics and generates a task list; the data analysis module deeply analyzes data, predicts faults and preferentially sorts maintenance tasks; the maintenance plan generation module automatically generates a high-efficiency maintenance plan according to the information; a supervisory feedback module ensures plan execution and facilitates continuous improvements. According to the platform, through intelligent and refined management, the efficiency and quality of equipment maintenance of the thermal power plant are remarkably improved, the stability and safety of power supply are guaranteed, and the platform has high practical value and application prospects.

The invention relates to the technical field of thermoelectric devices containing different material junctions, in particular to a structural part. According to the technical scheme, according to the multifunctional thermoelectric cooler and the control method thereof, hardware comprises an outer plate arranged above a thermoelectric cooler plate, a detection module is arranged in the outer plate, a plurality of independent loops are arranged on the thermoelectric cooler plate, and the independent loops correspond to detection units in a one-to-one mode. The method comprises the steps that the detection unit monitors in real time and sends detection data to the main control unit; the main control unit controls the corresponding independent loop to be powered on and powered off according to detection data of each detection unit; and the main control unit judges whether the output power of the electrified independent loops needs to be adjusted according to whether a plurality of independent loops need to be electrified. The problems that in the prior art, a working area is difficult to adjust, maintenance is inconvenient, energy is wasted, and adaptability is poor are solved, the multifunctional thermoelectric cooler and the control method thereof are provided, and the purposes of facilitating maintenance and overhaul, reducing use power consumption and improving the energy utilization rate are achieved.

The invention relates to a wind power generation blade and a rapid maintenance method of the wind power generation blade, the wind power generation blade comprises a first blade layer, an original inner core layer and a second blade layer which are stacked, the second blade layer is provided with a repairing through hole, and the original inner core layer is provided with a damage removing hole. The damage removing hole is communicated with the repairing through hole and extends to the inner surface of the first blade layer; a recovery structure layer connected with the second blade layer is arranged at the repair through hole; one or more repairing core pieces are arranged in the damage removing hole; and the one or more repairing core pieces and the repairing core pieces as well as the repairing core pieces and the first blade layer are connected through continuous colloid filling and curing, and a repairing inner core layer is formed. Compared with the prior art, when the wind power generation blade is maintained in a wind field, the maintenance time is short, the operation is simple, the maintenance quality is stable, the structural performance is excellent after maintenance, and the maintenance cost is reduced.

The invention discloses a fault detection method and device for a magnetic suspension bearing system, electronic equipment and a medium. The method comprises the following steps: acquiring real-time data of a control system of the magnetic suspension bearing in a control process; determining a first fault detection result according to the real-time data based on a fault diagnosis rule; processing the real-time data to obtain input data; inputting the input data into a pre-trained fault detection model for processing, and outputting a second fault detection result; and fusing the first fault detection result and the second fault detection result, and determining a system fault detection result of the control system of the magnetic suspension bearing. According to the embodiment of the invention, faster fault detection and more accurate fault prediction are realized.

The invention provides a stopping device of a roller shutter door motor, and relates to the technical field of roller shutter doors. The stopping preventing device of the roller shutter door motor comprises a roller shutter door body, a winding roller, a first motor, a second motor and an oil coating brush, the roller shutter door body is wound on the outer surface of the winding roller, fixing plates are fixedly connected to the two ends of the winding roller, a mounting plate is arranged above the winding roller, the first motor is fixedly connected to the bottom of the mounting plate, and the second motor is fixedly connected to the bottom of the mounting plate. The driving end of the first motor is fixedly connected with a driving rod, the end, away from the first motor, of the driving rod and the end, away from the winding roller, of the driving rod are fixedly connected with transmission gears in a penetrating mode, and the outer surfaces of the two transmission gears are connected with a transmission chain in an engaged mode. The lead screw is driven by the second motor, so that the stopping plate can rapidly and accurately move to the preset position to make contact with the driving rod of the first motor and achieve stopping, the roller shutter door is effectively prevented from being opened or closed under the uncontrolled condition, and safety and stability are enhanced.

The invention discloses an intelligent monitoring high-flame-retardant water-blocking long-distance symmetrical communication cable, which comprises a communication line group, a plurality of intelligent monitoring units, a flame-retardant structure, a water-blocking structure, a shielding structure, an oxygen isolation structure and an outer sheath, and is characterized in that the plurality of intelligent monitoring units are uniformly distributed along the length direction of the communication line group and form a cable core together with the communication line group; the flame-retardant structure, the water-blocking structure, the shielding structure and the flame-retardant oxygen-isolating structure are all arranged between the cable core and the outer sheath, the intelligent monitoring unit comprises a monitoring module, a data processing module and a communication module, and the monitoring module is composed of a temperature sensor, a humidity sensor, a strain sensor and a current monitor. The data processing module is electrically connected with the monitoring module on one hand, and communicates with a remote monitoring center through the communication module on the other hand, so that moisture can be effectively prevented from invading into the cable, and the cable has good transmission performance, monitoring function and water-blocking and flame-retardant performance, and can autonomously monitor the operation state and perform early warning and positioning on faults.

The invention relates to a saline-alkali soil water collection irrigation and drainage dual-purpose ditch which comprises a plurality of water collection ditches. The bracket is detachably connected to the top of the water collecting ditch and is formed by splicing a plurality of sections; the rainwater collecting irrigation mechanism comprises a rainwater collecting assembly, a first-stage irrigation assembly and a second-stage irrigation assembly, and the rainwater collecting irrigation mechanism has a rainwater collecting mode, a natural irrigation mode and a strong irrigation mode; in rainy days, the rainwater collecting irrigation mechanism is in a rainwater collecting mode, and the rainwater collecting assembly is started to collect rainwater into the water collecting ditch; when the water in the water collecting ditch is sufficient, the rainwater collecting irrigation mechanism can be in a natural irrigation mode, and the first-stage irrigation assembly is started; when the rainwater collecting irrigation mechanism is in a strong irrigation mode, the secondary irrigation assembly is started, anti-seepage cloth is laid on the inner wall of the water collecting ditch, concealed pipes are buried below the bottom wall of the water collecting ditch, and the anti-seepage cloth is located above the concealed pipes. The system can realize collection, storage and utilization of rainwater, provides necessary fresh water resources for improvement of the saline-alkali soil, is combined with the concealed pipes, does not affect drainage, and has double effects of water collection irrigation and salt drainage.

The invention discloses a road disease point stake mark positioning method and system based on an unmanned aerial vehicle. The method comprises the following steps: constructing a road center line based on an orthoimage and a design file of a road; constructing a plurality of vertical offset lines along the center line of the road by taking each hundred stake mark point as an initial reference point, and distributing stake mark data of each vertical offset line; constructing rectangular buffer areas by taking each vertical offset line as a central axis, and combining all the rectangular buffer areas into a strip-shaped buffer area surface; performing grid division on the strip-shaped buffer area surface according to the resolution of the orthoimage, and distributing stake number data of each grid; aligning each grid of the strip-shaped buffer area surface with the orthoimage pixel by pixel, and fusing stake number data of each grid with image data of the corresponding pixel to generate corresponding fused grid data; and in combination with the image data of the road disease point and the fused raster data of each raster, searching the raster closest to the road disease point by adopting a KD tree, and accurately positioning the stake number of the road disease point according to the corresponding stake number data.

The utility model provides a multifunctional autoclaved aerated concrete block forming machine, which relates to the technical field of concrete blocks and comprises a table body, a support is fixedly mounted on the surface of the table body, and the table body, the support, an adjusting rod, a fixing rod, a cutter, a table plate, a leak hole, a motor, a screw rod, a sliding block, a connecting plate, a scraper, a limiting block, a collecting box and an inclined table structure are arranged. When a motor is started, a lead screw can be driven to rotate, after the lead screw rotates, a sliding block can move, the sliding block drives a scraping plate to scrape dust and waste remaining on the surface of a platen into a leakage hole, the waste and the dust can fall onto the surface of an inclined table from the leakage hole and then slide into a collecting box at the bottom end from the inclined table, and a handle is installed so that a worker can conveniently take and place the collecting box; the dust and waste cleaning speed is increased, a large amount of time is saved, meanwhile, the length of the scraping plate is equal to the width of the platen, the scraping plate can cover the whole area of the platen, cleaning is more comprehensive, the environment cannot be polluted, and the health of workers cannot be affected.

The invention discloses a boiler drum with a preheating device, and relates to the technical field of boiler equipment.The boiler drum mainly comprises an air supply device body, an air supply pipe, an incinerator, an air outlet pipe and the like, a main air supply pipe is arranged at the bottom of the air supply pipe, an air supply side pipe is arranged at the tail end of the right side of the air supply pipe, and the right side of the main air supply pipe is connected with a connecting pipe and a mixing pipe; by means of a multi-channel air supply structure, the fuel combustion efficiency is improved, fuel combustion is more sufficient, a smoke inlet pipe, a heat conduction pipe, a smoke removal box and the like are arranged above an air outlet pipe, heat conduction fins are arranged on the outer side of the heat conduction pipe, and inner fins are arranged in the heat conduction pipe. And the fuel conveying branch pipe and the connecting pipe can be independently detached and overhauled, equipment maintenance is facilitated, the use process is clear, and high practicability and innovativeness are achieved.

The invention relates to the technical field of fabricated buildings, and provides a fabricated building steel structure connecting component which comprises a first mounting part, the first mounting part is arranged on a bearing column, the first mounting part is provided with a containing cavity and a sliding groove, the sliding groove communicates with the containing cavity, one end of the bearing column is located in the containing cavity, and a mounting cavity is formed by the bearing column and the inner wall of the containing cavity; the second mounting piece is provided with a limiting part and a sliding part, the sliding part is arranged in the sliding groove in a sliding mode, the limiting part is movably arranged in the mounting cavity, the limiting part abuts against or cancels abutting against the cavity wall of the mounting cavity after moving, the connecting piece is arranged on the first mounting piece and used for connecting the steel beam and the second mounting piece, and the fastening bolt sequentially penetrates through the steel beam and the connecting piece. And the first anti-loosening piece is arranged on the second mounting piece in a sliding mode, and the first anti-loosening piece clamps the fastening bolt after sliding and is used for preventing the fastening bolt from rotating. By means of the technical scheme, the problems that in the prior art, an assembly type building steel structure is poor in connecting effect and high in maintenance cost are solved.

The utility model discloses a cleaning assembly of a porridge cooking machine, relates to kitchen appliance technical field, including porridge cooking machine, operation panel and cleaning assembly, the cleaning assembly includes scraping unit and driving unit, the driving unit is used for driving scraping unit to carry out rotary cleaning to the inner wall of porridge cooking machine, scraping unit includes mounting pipe, and the mounting pipe is equipped with the mounting pipe. The inner wall of the mounting pipe is in threaded connection with a fastening screw rod, the mounting pipe is detachably and fixedly connected with an upper connecting cross rod through the fastening screw rod, and a rubber scraping strip is detachably arranged on the side face of the mounting pipe. The rotating rod is driven by the driving motor, the inner wall of the porridge cooking machine is rotationally scraped and cleaned by the mounting pipe and the rubber scraping strip, and meanwhile, the bottom of the inner wall is synchronously cleaned by the transverse scraping strip at the bottom of the lower connecting cross rod, so that the inner part of the porridge cooking machine is efficiently cleaned in an omnibearing and dead-corner-free manner, and the cleaning efficiency and quality are greatly improved; dirt such as residual congee stains in the congee cooking process can be effectively removed.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The invention relates to the technical field of material crushers, and discloses a four-shaft integrated ton bag caked material crusher which comprises a rack, a crushing box is fixedly connected to the rack in a penetrating mode, a bag breaking device is arranged in the crushing box, a plurality of crushing shafts are rotatably connected to the crushing box in a penetrating mode, and a fixing shaft is arranged between every two adjacent crushing shafts. A filter screen is arranged in the crushing box, a driving assembly is fixedly connected to one side of the rack, and an overhauling platform is fixedly connected to the rack. By means of the integrated design, manual bag breaking and material transferring links are omitted, the four-shaft meshing breaking efficiency is improved by 50% or above compared with double-shaft equipment, the material handling capacity of a ton bag can reach 5-35 t / h, and the large-scale industrial production requirement is met.

The utility model relates to a self -cleaning formula epoxy resin adds stirring equipment and belongs to the technical field of stirring equipment, it is through the main agent and curing agent storage jar of shunt arrangement, and utilizes pumping pipeline respectively to two alternate operation's stirring jar feed, each stirring jar is after stirring and is arranged by spraying pump and optional access valve group, after production, by injecting cleaning agent to the raw material jar, can clean all material pipeline and is arranged by the external discharge port, realizes the function of efficient continuous production and convenient self -cleaning.

The application discloses a dilution pretreatment detector for ion chromatography detection of underground water and a method thereof, and relates to the technical field of water quality detection.The detector comprises a supporting shell, a dilution liquid storage cylinder is arranged in the supporting shell, an underground water storage cylinder is arranged in one side of the supporting shell, and a stirring dilution cylinder is connected to the bottom of the underground water storage cylinder and the dilution liquid storage cylinder.A series of structures are arranged, which can effectively avoid impurities from accumulating in the filter screen and the cylinder, greatly improve the impurity removal rate, provide high-purity samples for subsequent ion chromatography detection, reduce the risk of pipeline blockage and instrument damage, ensure that the sample concentration after dilution fully meets the ion chromatography detection requirements, significantly improve the accuracy and stability of the detection results, greatly improve the continuity and work efficiency of the underground water sample pretreatment, adapt to batch sample detection requirements, facilitate deep maintenance and component replacement, shorten equipment maintenance time, and reduce use and maintenance costs.

This utility model relates to the field of photovoltaic cast-in-place pile technology, and discloses a photovoltaic cast-in-place pile quality inspection and sludge cleaning device, including a connecting column a. A support component is fixedly connected to the outer front side of the connecting column a, and a fixing component is also fixedly connected to the outer front side of the connecting column a. A prismatic plate is rotatably connected to the outer side of the fixing component, and a connecting plate is rotatably connected to the outer side of the fixing component. A sludge cleaning spoon is fixedly connected to the bottom of the connecting plate. The support component includes a support plate a, the rear side of which is fixedly connected to the front side of the connecting column a. A screw is threadedly connected to the inside of the support plate a, and the inside of the connecting plate is rotatably connected to the outside of the screw. In this utility model, disassembly and installation can be quickly completed by turning the prismatic plate after tightening the screw, without the need for complicated tools, greatly shortening maintenance time and improving the ease of use and work efficiency of the device.

The utility model provides a portable gas detection instrument belongs to gas detection technical field, include: external probe, semiconductor type sensor and catalytic combustion type sensor, semiconductor type sensor and catalytic combustion type sensor are installed in the inside of external probe simultaneously, external probe is designed with convenient replacement interface, is convenient to replace, the appearance of external probe adopts cylinder or oval, installs two gas sensors and temperature sensor, semiconductor sensor works in the lower state of gas concentration, and catalytic combustion sensor works in the higher state of gas concentration, realizes complementary advantages, and the signal of gas sensor is temperature compensated to obtain more accurate detection data, and the current temperature can also be displayed simultaneously by the detection instrument, the characteristics of sensor probe miniaturization are reserved, and the probe is convenient to replace, is convenient in narrow space application, has no influence to the structure of gas detection instrument itself, and is convenient for production reform.

The present disclosure provides a transport vehicle for transporting a heater, comprising a vehicle frame, a fixing plate is arranged on the vehicle frame, a circular groove for accommodating a ring-shaped heater is arranged on the fixing plate, a plurality of fixing columns are arranged in the circular groove, and each fixing column can clamp the ring-shaped heater with the inner circumferential surface of the circular groove. In the present disclosure, the heater is clamped between each fixing column and the circular groove and the fixing plate to limit the relative position of the heater and the fixing plate, so as to avoid the heater from falling off or sliding off the fixing plate during the movement of the transport vehicle. Therefore, the present disclosure avoids the problems of employee scalding and heater bumping or damage during the traditional carrying process, thereby reducing the maintenance time and cost caused by equipment damage and improving the overall carrying efficiency.

The utility model relates to the field of meter boxes, and discloses a direct-in meter box cost control switch convenient operation mechanism, which comprises a meter box body, a switch body is arranged in the meter box body, the inner wall of the meter box body is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a positioning block I, the outer wall of the rotating shaft is fixedly connected with a positioning block II, and the outer wall of the rotating shaft is fixedly connected with a positioning block II. A pressing block is fixedly connected to the outer wall of the first positioning block, a reset spring is arranged on the inner wall of the meter box body, and the outer wall of the reset spring is arranged on the inner wall of the pressing block. According to the utility model, the switch body is pulled outwards, then the first clamping block is driven by the switch body to move synchronously, and then the second clamping block is driven by the first clamping block to move synchronously, so that maintenance personnel can maintain or replace the switch body conveniently, meanwhile, large-scale disassembly and modification of the whole meter box body are avoided, the maintenance time is shortened, and the maintenance efficiency is improved. And inconvenience caused by power failure is reduced.

The utility model relates to the technical field of motorcycle accessories, and discloses a locking driving mechanism and an ignition switch assembly. The locking driving mechanism comprises a bottom plate with a shaft hole, a cover body covering the bottom plate to form a mounting cavity, a motor mounted in the cavity and provided with an output shaft with an output gear, and a telescopic rod penetrating through the shaft hole and an end driving tooth surface to be in meshing transmission with the output gear. The design abandons complex electromagnetic drive, the structure is simple, and the cost is reduced. Through combination of the motor and the telescopic rod, parts are reduced, and the manufacturing process is simplified; the modular design facilitates maintenance, improves reliability, can adapt to different ignition switch assemblies, and is flexible in application.

The utility model discloses a monitoring device for industrial automation equipment, and belongs to the technical field of monitoring of the industrial automation equipment. The monitoring device for the industrial automation equipment has the advantages of being rapid in disassembly, improving the maintenance efficiency and simplifying the operation process, the connecting plate and the monitoring equipment body can be disassembled by pulling the U-shaped grip towards one side, rapid disassembly and assembly can be achieved without using bolts or tools, the maintenance time is greatly shortened, and the maintenance efficiency is improved. When the monitoring equipment body is overhauled or replaced, an operator can quickly complete the loading and unloading operation, the response speed and the maintenance efficiency of a production line are improved, the loss caused by shutdown maintenance is reduced, and a traditional bolt fixing mode is tedious in operation and needs to be disassembled and assembled with the help of a tool. Therefore, the fixing and releasing of the monitoring equipment body can be completed, the operation is more convenient, and an operator can complete the replacement or maintenance work without professional skills.

Embodiments of the present application provide a component configuration method and device, a storage medium and a program product, and relate to the field of computers. The method comprises: obtaining a target function option set by a target configuration tool, wherein the target configuration tool is a first configuration tool based on a target firmware program, a second configuration tool based on a target operating system, or a third configuration tool based on a target out-of-band management controller; in the case that a restart instruction for a target server is received, obtaining a historical function option set corresponding to a target component; in the case that a first function option identified by a target option identifier in the target function option set is inconsistent with a second function option identified by the target option identifier in the historical function option set, configuring a target function matched with the target option identifier in the target component according to an option value of the first function option. The technical problem of consuming many development resources is solved.

The utility model discloses a modularized bumper structure capable of being replaced quickly, which comprises a bumper assembly and an energy absorption box, the bumper assembly comprises a bumper main body, a framework and a cross beam, the framework and the cross beam are embedded in the bumper main body, and the energy absorption box is mounted on one side, close to a vehicle body, of the cross beam. A quick connecting structure is arranged at the joint of the energy absorption box and the automobile body. After collision, only damaged parts need to be replaced, the maintenance cost is reduced, the maintenance time is shortened, the honeycomb structure is combined with the multi-stage energy absorption design, the collision safety is improved, the modular design is matched with different vehicle types, the types of parts are reduced, the maintenance cost is reduced through the detachable design, and meanwhile the energy absorption efficiency is improved.

The invention discloses a novel-structure commercial vehicle AMT pneumatic control module, and particularly relates to the technical field of pneumatic control modules, the novel-structure commercial vehicle AMT pneumatic control module comprises a middle partition plate, a valve plate is arranged at the top of the middle partition plate, side face supports are arranged on the two sides of the front end of the top of the valve plate, and a top support is arranged at the top of the valve plate; a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve are arranged on the inner sides of the two side face supports respectively, and a first two-position three-way electromagnetic valve is arranged on the rear side of the top of the valve plate. A plurality of various electromagnetic valves are integrated through the valve plate, power-on and power-off combinations of different electromagnetic valves are controlled, gas from the main gas inlet can be subjected to distribution, reversing and power-on and power-off control, accordingly, mechanisms such as a gear shifting actuator and a clutch actuator of the automotive AMT system are driven to act, manual gear shifting is not needed, and the cost is reduced. The side supports, the top support and the valve plate are combined, meanwhile, an air source system of a vehicle is utilized, the space utilization rate is greatly increased, the structure is compact, and external connecting pipelines are reduced.

The modular hydraulic pipe jacking system comprises a base, a connecting groove is formed in the rear side of the base, first inserting grooves are formed in the two sides of the connecting groove, an assembling plate is arranged on the upper side of the base, connecting blocks are arranged on the lower side of the assembling plate, and the connecting blocks are connected with the connecting groove and the first inserting grooves correspondingly; the connecting groove is connected with a connecting piece, a guide rail is arranged on the base, and the guide rail is connected with a top plate in a sliding mode. The invention relates to the technical field of pipe jacking construction. Modular design is adopted, all parts are convenient to disassemble and assemble, the construction efficiency and flexibility are greatly improved, in the pipe jacking construction process, if parts such as a hydraulic push rod and a top plate are damaged, it is not needed to replace the whole device like a traditional integrated pipe jacking machine, and it is also not needed to shut down for a long time to conduct complex maintenance on independent parts; the modular design enables the maintenance work to be simple and fast, and the maintenance time is greatly shortened.