1081 results about "Monorail" patented technology

The invention discloses a monorail crane inspection robot intelligent test method based on data analysis, and relates to the technical field of intelligent detection, and the method comprises the following steps: synchronously collecting track images, point cloud and attitude data, carrying out time alignment and preprocessing, and outputting a standardized data packet; detecting an inspection target by using a YOLO detection network, and outputting a multi-scale feature vector in combination with a point cloud feature hierarchy extraction network and a time sequence convolutional network; predicting a fault development trend in combination with an improved A-star algorithm and a long short-term memory network, optimizing an inspection path through reinforcement learning, and outputting a maintenance decision scheme; the maintenance decision scheme is converted into a control instruction, the robot is driven to execute an inspection task and feed back the operation state in real time, incremental learning and point cloud reconstruction are combined, and a visual diagnosis report is output. According to the method, the dynamic threshold algorithm is adopted for self-adaptive analysis, and the key geometric indexes are calculated in combination with the cross-modal attention mechanism, so that the recognition capability of structural anomalies is improved.

The invention belongs to the technical field of path planning, and particularly relates to an unmanned vehicle path planning method and system based on the Internet of Things, and the method comprises the steps: determining all passable paths of a current monorail hoist; determining the passing difficulty of each path according to the length of each passable path, the gradient of each ramp on each path, the turning radius and turning angle of each curve on each path, the number of turnouts required to be wrenched when the current monorail hoist runs on each path and the number of air doors required to be opened; and according to the angle variation and the variation time of each air door, determining the influence degree of the current monorail hoist on the ventilation system when the monorail hoist operates on each path, and determining an optimal path by combining with the passing difficulty. According to the invention, the operation efficiency of the monorail hoist is improved, the operation cost is reduced, the influence on the mine ventilation stability is reduced on the premise of ensuring the safe passing of the monorail hoist, and the safety of the underground operation environment is improved.

The invention relates to the technical field of industrial equipment monitoring, and discloses a monorail crane lubrication on-line monitoring analysis system and method, and the system comprises a sensor module, a data processing and analysis module, a fault early warning module, a lubrication management optimization module, a data communication and display module, an oil path control module, and an electric power and connection module. The sensor module is used for collecting cleanliness, viscosity, water activity, moisture content, density and temperature of lubricating liquid of the hydraulic system of the monorail crane in real time; the sensor module comprises a sensor array, and the sensor array comprises a GYD12 mining intrinsic safety type multi-parameter oil liquid sensor, a temperature sensor, a pressure sensor, a flow sensor and a pollutant sensor. Through the data processing and analyzing module, the system can continuously track the state of lubricating oil, the timeliness of data is ensured, the dependence on manual inspection is greatly reduced, it is ensured that equipment can find and process abnormities in time in the operation process, and large faults caused by small problems are avoided.

The invention discloses a straddle type monorail train bogie and a straddle type monorail train. The straddle type monorail train bogie comprises a framework assembly, a walking wheel assembly, a driver, a planetary gear reducer, a brake and a fixing assembly, walking wheels in the walking wheel assembly are detachably and fixedly connected through hubs and axles, and the driving wheel is fixedly connected with the planetary gear reducer through the fixing assembly; the wheel axle and the driver are in transmission connection through the planetary gear reducer, so that power of the driver is transmitted to the wheel axle after being decelerated through the planetary gear reducer to drive the walking wheels to rotate and drive the vehicle body to run; the fixing assembly is detachably and fixedly connected with the connecting beam of the framework assembly, so that the fixing assembly detachably clamps the wheel shaft, the brake, the walking wheel assembly, the planetary gear reducer and the driver to be integrated into an integrated assembly, and the whole integrated assembly is detachably clamped by the fixing assembly and the connecting beam. The integrated assembly can be separated from the connecting beam by detaching the fixing assembly, and the walking wheels on the integrated assembly are detached after the integrated assembly is separated from the framework assembly, so that the walking wheels are not detached and replaced, the wheel replacement time is saved, and the wheel replacement efficiency is improved.

The invention discloses a vibration response evaluation method and system for a weak transverse stiffness wind-vehicle-bridge system. According to the method, the coupling effect of a wind load of a spatio-temporal variation wind field on a vehicle and a weak transverse stiffness track beam, the influence of the wind load on a wheel-rail relation, and track beam initial inclination and various acting forces caused by factors such as track beam installation errors and prestress tension are considered; a dual-model system of a vehicle subsystem dynamic equation and a track beam finite element model is established, a dynamic response result after vibration analysis convergence is obtained through interaction of the dual models, theoretical support is provided for wind-vehicle-bridge coupling analysis of the weak transverse stiffness track beam, and the dynamic response result is obtained. Therefore, the vibration response condition of the wind-vehicle-bridge system of the straddle type monorail is effectively evaluated, so that the vibration analysis result is consistent with the real operation condition, and designers can conveniently take vibration reduction measures in advance to reduce the safety risk and improve the operation comfort.

The invention discloses a monorail crane multi-vehicle cooperative scheduling control method based on edge calculation, which comprises the following steps: carrying out topological modeling on a track, and constructing a section-time slice space-time resource model; acquiring real-time operation data of each vehicle at an edge computing node, generating a vehicle state set and executing time-space conflict prediction; when a multi-vehicle potential conflict is detected, carrying out topology consistency check on a conflict section; calculating a priority value of each vehicle in the corrected candidate traffic relation; performing section occupation authorization and shadow time slot distribution through a double-threshold mechanism; the node issues an operation instruction to the authorized vehicle; when abnormal events such as communication interruption, retention or task insertion are detected, the node triggers local path replanning and occupancy right redistribution. According to the method, a multi-factor priority scheduling mechanism is introduced into the edge computing node, so that real-time conflict avoidance and self-adaptive cooperative control of multiple monorail cranes is realized.

The invention belongs to the technical field of coal mine auxiliary transportation, and discloses a monorail hoist yard unattended system and method.The monorail hoist yard unattended system comprises a multi-section container type mine car, a special lifting appliance, a hook picking and hooking device, a precise positioning car arrester, a righting mechanism and a car pusher, and the special lifting appliance can grab or release the container type mine car; the unhooking and hooking device is used for automatically connecting or separating the front section and the rear section of the container type mine car, the precise positioning car arrester is used for adjusting the position before the front section and the rear section of the container type mine car are separated, and the righting mechanism is used for righting the container type mine car when the special lifting appliance releases the container type mine car. The center of the container type mine car is kept consistent with the centralizing center of the centralizing mechanism, and the car pusher is used for pushing the container type mine car to a designated area. According to the invention, the effects of automation, unmanned operation and less manpower in the single-rail crane conveying process can be realized, the conveying efficiency is improved, and the traditional material distribution mode is thoroughly changed.

The utility model relates to a warning system of an operation protection warning vehicle based on monorail operation, which comprises a remote monitoring platform, an intelligent warning vehicle driving system, a handheld remote controller circuit system and an intelligent waistcoat control system, the remote monitoring platform is in communication connection with the handheld remote controller circuit system, and the remote monitoring platform is in communication connection with the intelligent waistcoat control system; the warning system of the operation protection warning vehicle based on the monorail operation is applied to the operation protection warning vehicle based on the monorail operation, and intelligent warning and safety protection of a railway track operation area are achieved. The condition of an operation area can be mastered in real time through the remote monitoring platform, the intelligent warning vehicle can perform mobile warning when needed, and the handheld remote controller and the intelligent waistcoat provide convenient communication and warning functions for an operator, so that safe and efficient operation of railway track operation is ensured.

The invention discloses a CO detection device for a monorail crane diesel engine, and relates to the technical field of gas detection equipment, the CO detection device comprises a mounting box, a detection assembly is arranged on one side in the mounting box, the detection assembly comprises a detection box, a gas chamber is arranged in the detection box, a laser detector is arranged in the gas chamber, and the laser detector is arranged in the detection box. One end of the air chamber is fixedly connected with an air inlet filtering assembly, and one side of the detection assembly is provided with a back-flushing cleaning assembly used for cleaning the air inlet filtering assembly; one end of the mounting box is rotationally connected with a butt joint used for being in butt joint with an exhaust pipe of the diesel engine. Sampled flue gas is filtered through the gas inlet filtering assembly, high-pressure flue gas is stored through the high-pressure gas storage cavity, the high-pressure flue gas is discharged to the gas inlet filtering assembly when needed through control of the backflushing electromagnetic valve, filter material carbon deposition is removed through gas reverse impact force, and the trouble of frequent manual replacement and maintenance is avoided.

Towed aerodynamic platforms approach the behavior of flat plate airfoils to achieve high lift-to-drag (L:D) performance when operated at low pitch angles. A lead aircraft may tow multiple platforms to form train units. Low form drag and high L:D enable solar aircraft that are more robust and faster than approaches extending wingspan rather than extending the length of the aerial train. Applications extend beyond solar aircraft and include vehicles towed along an overhead monorail system and aerial drones.

The invention provides a monorail crane rail deformation monitoring method based on an inertia measurement technology, and belongs to the technical field of coal mine underground rail monitoring. According to the technical scheme, the method comprises the following steps: S1, deploying a plurality of IMU modules at equal intervals in the extension direction of a monorail crane track; s2, collecting initial IMU data of each IMU module and a monorail crane operation speed signal; s3, resolving initial spatial position data of the track, and generating an undeformed monorail crane track reference value; s4, in the coal mine transportation process, current IMU data and speedometer speed signals of all IMU modules are collected regularly in real time; s5, calculating the current spatial position data of the track; s6, calculating a displacement difference value and an attitude angle deviation of each measuring point; and S7, determining that the region is a monorail crane track deformation point. The system has the beneficial effects that high-resolution real-time monitoring is realized through high-frequency data acquisition and multi-sensor fusion, the external interference resistance is high, and a deformation area can be accurately positioned without interrupting operation.

The present invention relates to the technical field of prefabricated elevated stations. Disclosed are a self-balancing modular fully-prefabricated elevated station transition structure construction method and a structure. The construction method comprises the following steps: constructing precast pipe piles and a precast pile cap; executing concrete backfilling; installing a pier column and connecting same to the pile cap; installing a Y-pier cap for executing a connection; installing a precast middle cap beam and precast side cap beams; installing precast steel tubular columns; installing top overhanging precast reinforced concrete cap beams and a precast reinforced concrete middle cross beam; hoisting and installing precast platform slabs and precast arched platform headwalls; installing precast straddle monorail track beams; and installing a precast steel structure canopy. By using the dual columns to achieve an overhead layer and an upper structure, the present invention reduces the absolute overhanging length, improves the performance of the structure under stress, and reduces the sectional dimensions of components, thus saving the floor area of the pier column to the utmost extent, enhancing the applicability of station structures in a wider range of various urban environments, and improving the universality of the structure.

The invention belongs to the technical field of coal mine machinery, and discloses a monorail crane falling centralizing device and centralizing method.The centralizing device comprises a fixing plate arranged on the inner side of a ground rail, a transverse moving guide rail, a transverse moving frame, a follow-up mechanism, a longitudinal moving guide rail and two push rods; the transverse moving guide rail is arranged on the fixing plate, and the direction of the transverse moving guide rail is parallel to the direction of the ground rail. The transverse moving frame is in sliding connection with the transverse moving guide rail, and the follow-up mechanism is arranged in the transverse moving frame in a lifting mode. The longitudinal moving guide rail is arranged at the top of the follow-up mechanism, and the direction of the longitudinal moving guide rail is perpendicular to that of the ground rail; the two push rods are vertically arranged at the two ends of the longitudinal moving guide rail respectively and can slide along the longitudinal moving guide rail; the design stroke of the push rod to the center of the longitudinal-moving guide rail is half of the distance between the inner sides of left and right wheels of a mine car The monorail crane falling centralizer can replace manual push-pull centralizing of mine car falling, fast and efficient mine car falling centralizing is achieved, and the transportation efficiency and safety of monorail crane falling are greatly improved.

An articulated bogie for a low-floor straddle-type monorail, comprising: a framework, a locomotion wheel assembly, a horizontal wheel assembly, foundation brakes, driving units, air springs, a traction articulation mechanism, traction rubber piles, shock absorbers, and the like. The articulated bogie is a two-axle bogie; the upper portion of the traction articulation mechanism is connected to two compartments respectively, achieving motion decoupling of adjacent compartments; and the lower portion of the traction articulation mechanism is connected to the traction center of the bogie to transfer loads such as traction force and braking force. The driving units are arranged in a tire assembly and are each integrated with a gear box and a motor; an interface is reserved at the gear box end to mount a locomotion tire assembly; and the motor end is directly and firmly connected to the framework. The bogie only occupies the upper space on a single side, thereby achieving the low-floor design of vehicles. The articulated bogie for a low-floor straddle-type monorail has a simple and compact structure, facilitates full utilization of the space at the ends of vehicles, reduces the number of horizontal wheel assemblies, and improves the utilization efficiency of parts of bogies.

The invention provides a monorail crane rail heavy sliding turnout which comprises an installation frame, a first short straight rail fixedly arranged below the left side of the installation frame, a second short straight rail fixedly arranged below the right side of the installation frame and a short bent rail. The rail transfer conduction assembly is movably arranged on the mounting frame and used for communicating the first short straight rail with the second short straight rail or communicating the first short straight rail with the short bent rail to form an integral structure, and the rail transfer driving air cylinder is fixedly arranged on the mounting frame and used for driving the rail transfer conduction assembly to move. The first limiting assembly and the second limiting assembly are arranged on the mounting frame and used for conducting linkage limiting on the left side and the right side of the rail transfer conduction assembly after the rail transfer conduction assembly moves in place, and the car stopping assembly is used for stopping passing of a curve when a straight way is connected or stopping passing of the straight way when the curve is connected. By means of the overall structural design, track changing is rapid and accurate during use, the structure is firm, the safety coefficient is high, the track changing running stability and passing ability of the monorail crane can be improved, faults and losses are reduced, and the running efficiency of the monorail crane is improved.

The utility model relates to monorail crane sports car protection equipment, in particular to an intelligent monorail crane sports car catching device which comprises a fixed tripod and a car catching mechanism. The fixed tripod is fixed to the side wall of a roadway, a left inserting plate and a right inserting plate are arranged below the fixed tripod, a left fixed shaft and a right fixed shaft are arranged in a car catching frame of the car catching mechanism, the left fixed shaft is rotationally connected with a left car catching plate, the right fixed shaft is rotationally connected with a right car catching plate, and a left air cylinder and a right air cylinder are fixed to the upper portion of the car catching frame. A piston rod of the left air cylinder is hinged to the upper end of the left car catching plate, the upper end of the left car catching plate is further hinged to a horizontal left inserting rod, a piston rod of the right air cylinder is hinged to the upper end of the right car catching plate, and the upper end of the right car catching plate is further hinged to a horizontal right inserting rod. When the monorail crane runs, the intelligent car catching device can counteract the running potential energy of the car, so that the running car is stopped in time, and the possibility of accidents after the car runs is reduced.

The invention relates to a single-rail InSAR-based mining area large-gradient deformation three-dimensional calculation method, which comprises the following steps of: performing interference processing on InSAR data to obtain an interference pattern, acquiring mining area earth surface deformation by a prediction or actual measurement method, and converting the mining area earth surface deformation into a deformation phase as a reference phase; removing a reference phase from an InSAR interferometric phase to obtain an interferogram residual wrapping phase with reduced fringe density and reduced unwrapping difficulty; unwrapping the residual winding phase to obtain a residual phase, and superposing the residual phase with the reference phase to realize the repair of the InSAR deformation phase; deducing a surface movement vector depression angle function; based on the earth surface point movement vector depression angle function, the earth surface point horizontal movement vector direction and the radar beam LOS direction space parameters, the expression of the included angle between the LOS direction and the earth surface movement vector is solved, and earth surface three-dimensional deformation is solved through monorail InSAR deformation.

The present disclosure discloses a scene self-adaptive method for controlling an unmanned driving of a monorail hoist transportation robot. The method comprises the following steps: constructing an industrial internet of things platform for a monorail hoist; constructing a digital twin system for the monorail hoist; controlling a virtual unmanned driving of the monorail hoist; establishing a shadow following model for the monorail hoist; controlling an entity monorail hoist in real time by a virtual monorail hoist; comparing the entity monorail hoist driven by data with the monorail hoist driven by a driver with the shadow following mode; and designing a self-adaptive program for complex scenes: improving a loading velocity of a new roadway scene through merging root nodes and compressing data, implementing an environment self-adaptation, a platform self-adaptation, and a terminal self-adaptation.

The invention relates to an inclined shaft TBM disassembly construction method. The method comprises the following steps that firstly, an adjustable supporting frame is arranged at the bottom of an inclined shaft; step 2, reversely disassembling each component according to the sequence of a cutterhead driving part, a main bearing, a shield and a thrust cylinder; thirdly, in the disassembling process, a hydraulic jacking device and a monorail hoist work cooperatively to conduct component hoisting; fourthly, a temporary transportation channel is formed in the side wall of the inclined shaft; fifthly, after every two parts are disassembled, steel arch supports are erected in the corresponding areas; and sixthly, the disassembled parts are transported outwards through a wheel type transport vehicle along an inclined shaft track. Through cooperative control of the multi-stage supporting system and the dynamic disassembling sequence, the stability of the inclined shaft structure is effectively guaranteed, the disassembling efficiency and the transportation safety of large-size components are remarkably improved by combining the design of the transportation channel with precise positioning and optimization of a braking system, and the method is suitable for rapid disassembling and transferring operation of TBM equipment in inclined shaft tunnel engineering.

The invention relates to the technical field of monorail hoists and discloses a monorail hoist suspension device which comprises a hoist body, a power device is fixedly connected to the inner wall of the hoist body, a winding frame is fixedly connected to the output end of the power device, a steel wire rope is fixedly connected to the inner wall of the winding frame, and a lifting hook is fixedly connected to the bottom of the steel wire rope. A through hole is formed in the top of the crane body, a lowering hole is formed in the bottom of the crane body, a sliding rail is arranged above the crane body, and a driving component is arranged at the top of the crane body; the driving part comprises a telescopic frame, and the end of the telescopic frame is fixedly connected with a driving device. When an electric push rod contracts, a polyurethane friction wheel is pushed to make contact with the inner wall of a sliding rail to complete installation of a crane body, at the moment, a telescopic frame is in a contracted state, when the telescopic frame contracts, an elastic rod is extruded through vertical plates, and the elastic rod pushes a positioning ring to move downwards through a positioning rod along with mutual approaching of the vertical plates; and when the positioning ring moves downwards, the extrusion rod is pushed to extrude the steel wire rope.

The invention relates to the technical field of hoisting equipment, and provides a lithium battery unmanned monorail hoist which comprises a suspension track and a hoist assembly, the hoist assembly comprises a car body unit, a hoisting and conveying unit and a suspension unit, the suspension unit is arranged on the suspension track, and the suspension unit comprises a power suspension unit and a load suspension unit. The vehicle body unit is connected with the power suspension unit, the hoisting conveying unit is connected with the load suspension unit, the load suspension unit comprises a suspension beam, load frames, load wheels and guide wheels, the load frames are arranged at the two ends of the suspension beam and comprise mounting ends on the two sides of a suspension rail, and the guide wheels and the load wheels are arranged at the mounting ends. The guide wheels abut against the guide side faces of the suspension rails, and the load-carrying wheels abut against the load-bearing faces of the suspension rails vertically. The problems that in the prior art, when a traveling wheel body of a suspension type rail crane faces a heavy load, due to the fact that the contact face is incomplete, the service life of the wheel body and components of the wheel body is prolonged, and the operation stability is poor are solved.

A monorail hoist positioning method combining rail joint beacons and inertial navigation. An odometry kinematic model for a monorail hoist is established by means of an encoder on the monorail hoist, and an extended Kalman filter is used to fuse a heading angle obtained from a kinematic model solution and a heading angle obtained from a strapdown inertial navigation solution. Beacons are arranged at rail joints for the monorail hoist, and vibration signals are acquired by a vibration sensor. By combining a strapdown inertial navigation system, the encoder, and a rail installation diagram, a rail joint determination model is constructed to perform filtering, so as to obtain impact signals at rail joint beacons that meet a requirement. Beacon identifiers are used to match the identified rail joint beacons against specific beacon coordinates in the rail installation diagram, so as to obtain a time-position coordinate sequence for the monorail hoist arriving at the rail joints. A combined positioning model integrating rail joint beacons and strapdown inertial navigation is constructed to realize integration of local relative positioning and global absolute positioning of the monorail hoist. The method can improve the positioning accuracy of the monorail hoist while reducing positioning costs.

The utility model discloses a positioning device for mounting a threshold of a monorail vehicle. The positioning device comprises a main frame, a central positioning bracket and a pair of end connecting components, wherein the central positioning bracket is aligned with the central line of a vehicle body of the vehicle; the center positioning support is arranged in the middle of the main frame, the pair of end connecting assemblies are arranged at the two ends of the main frame respectively, each end connecting assembly comprises an end connecting support and a positioning pin arranged on the end connecting support, and the positioning pins are provided with inserting pieces with the number capable of being increased or decreased to adjust the positions. And a positioning structure for positioning the doorsill is arranged on the end connecting bracket. The position of a notch of the center positioning support is adjusted by adjusting the number of inserting pieces so as to ensure that the center line of the whole device coincides with the center line of a vehicle body, meanwhile, positioning pins are used for fixing the positions of the left side and the right side of the whole device, and a fixing block presses a threshold support by adjusting an adjusting handle of an end connecting assembly. The positioning device is matched with a clamp for clamping so as to further position the doorsill; the device is suitable for field operation and is simple and practical.

An anti-collision protection device for a mining monorail crane belongs to the technical field of underground safety and comprises two fixing supports, the two fixing supports are fixedly arranged at the front end and the rear end of the monorail crane, and a hydraulic ball valve is fixedly arranged on each fixing support. An oil inlet and an oil outlet of the hydraulic ball valve are respectively connected with the brake oil cylinder through a hydraulic oil pipe, a control handle of the hydraulic ball valve is vertically arranged, the control handle is fixedly connected with a touch rod, and the end, away from the control handle, of the touch rod extends in the direction away from the monorail crane. The touch rod moves towards the direction of the monorail crane under the action of impact force, the touch rod synchronously drives the control handle to act so as to open the hydraulic ball valve, then the brake oil cylinder can be controlled to be started, instant stopping is achieved, accidents are reduced, the monorail crane is prevented from being collided, and the anti-collision protection device is simple in overall structure and convenient to operate. The device is convenient to install and use, low in use cost, simple in trigger control mode, higher in trigger reaction speed and higher in use safety performance.

The present invention discloses a mine monorail crane, which relates to the technical field of monorail crane equipment and includes an I-beam rail, a carriage distributed below the I-beam rail, and a diesel main engine box. A plurality of groups of connection mechanisms for connecting the carriage and the diesel main engine box are arranged on the outer side of the I-beam rail; a braking mechanism for braking is arranged inside each group of connection mechanisms; a buffer mechanism is connected between each group of connection mechanisms; the connection mechanism drives the carriage and the diesel main engine box to move along the bottom of the I-beam rail. In case of an emergency, the braking of the braking mechanism and the buffering of the buffer mechanism are used to protect the equipment against inertia. The mine monorail crane disclosed by the present invention has the effects of multi-stage braking, high stability and safety.

The invention discloses a monorail crane track defect detection system and method, and relates to the technical field of track detection, the monorail crane track defect detection system comprises a vehicle selection module, a data acquisition module, a data judgment module, a secondary acquisition module and a defect division module, comparing the pilot operation data with a standard threshold interval to judge whether the vehicle meets requirements or not; the technical key points are as follows: a vehicle is detected before detection, and the reference of the detection is taken as the reference for subsequently judging whether a defect exists on a monorail crane track or not, so that the subsequent judgment on the defect is more accurate, smaller defects can be identified, and then the defect position is further acquired and analyzed; defect content and defect levels are analyzed, a corresponding defect repair plan is conveniently formulated according to the defect levels subsequently, the amount of data processed in the whole process is small, defect positions can be analyzed in real time, and the method has a good use prospect.

The invention discloses a method and system for dynamically evaluating trafficability of a monorail crane in an underground coal mine roadway, and the method comprises the steps: obtaining roadway video information through video collection equipment, and analyzing and recognizing the position of roadway rock damage or deformation; for the damaged or deformed position, the running speed of the monorail crane is reduced in advance, and the deformation amount is analyzed through the three-dimensional laser point cloud technology; preliminarily judging the trafficability of the monorail crane in the current roadway by referring to the range of the key size of the monorail crane, and if the monorail crane is impassable, performing multipoint cloud offline fitting accurate judgment; and evaluating the trafficability of the monorail crane according to the judgment result, and providing driving suggestions for the monorail crane. According to the method, the trafficability of the monorail crane in the underground coal mine roadway can be dynamically evaluated, and safe operation of the monorail crane is guaranteed.

According to the straddle type monorail train bogie and the straddle type monorail train, in the straddle type monorail train bogie, a first fixing assembly and a connecting beam in a framework assembly detachably clamp the first end of an axle, and a second fixing assembly and the connecting beam detachably clamp the second end of the axle; the wheel shaft and the connecting beam are relatively fixed in the axial direction, the wheel shaft can rotate around the axis of the wheel shaft, the walking wheel is detachably and fixedly connected with the wheel shaft through the hub, the driver drives the wheel shaft to rotate through the gear box and the chain coupling, and the chain coupling is detachably in transmission connection with the wheel shaft. By detaching the chain coupler, the first fixing assembly and the second fixing assembly, the whole walking wheel assembly can be driven by the axle to be separated from the connecting beam, the walking wheel assembly can be detached without detaching the framework assembly, the walking wheels on the walking wheel assembly are detached after the walking wheel assembly is separated from the framework assembly, the walking wheels are detached without being detached, and the wheels are replaced. And the wheel replacing time is saved, and the wheel replacing efficiency is improved.

The invention discloses a straddle type monorail train gearbox vibration prediction method based on a large language model. The method comprises the following steps: S1, acquiring vibration signal data of a straddle type monorail train gearbox; s2, inputting the vibration signal data into a trained trend prediction model for vibration signal trend prediction, and outputting a trend prediction result of the vibration signal; s3, constructing a cue word template based on the field characteristics of the prediction task and the prediction demand; s4, inputting the trend prediction result of the vibration signal and the cue word template into a Prompt module for processing; s5, inputting the vibration signal data into an Input module for text embedding mapping; s6, splicing the mark embedding vector and the text embedding vector, inputting the spliced vector into a pre-trained large language model, and outputting a vibration signal fusion embedding expression; and inputting the vibration signal fusion embedded representation into a prediction head for numeralization to generate a vibration signal prediction result. The straddle type monorail train gearbox vibration signal prediction method improves the straddle type monorail train gearbox vibration signal prediction precision and reliability.

The underground monorail crane comprises a track, a driving chamber, a driving tool and a plurality of mounting racks used for hoisting materials are arranged on the track, the mounting racks and the driving chamber can move under the driving of the driving tool, connecting cylinders are arranged at the tops of the mounting racks and the top of the driving chamber, and the connecting cylinders are connected with the driving tool. Every two adjacent connecting cylinders are fixedly connected through a connecting column, and a cleaning and lubricating assembly for cleaning and lubricating the track is arranged on the outer side of each connecting column. According to the invention, the underground monorail crane has lubricating and cleaning functions, so that not only is the lubrication of the rail ensured to reduce the friction between the driving tool and the rail, but also the synchronous cleaning of the rail is realized to prevent impurities and dirt from causing negative effects on the lubricating effect and the surface of the rail, and the running efficiency of rail traffic is improved through mutual cooperation.