125 results about "Haulage" patented technology

The internal geometry of a haulage vehicle is identified. A material transfer operation is controlled to transfer material from a material transfer vehicle to the haulage vehicle based on the internal geometry of the haulage vehicle.

The invention relates to a rack rail trapped rail vehicle, a driving unit and a swing frame assembly, and belongs to the technical field of rack rail trapped rail vehicles. The swing frame assembly runs on the rack rail and comprises a fixed seat and a swing frame pivoted with the fixed seat through a hinge shaft; two rollers in rolling contact with the top surface of the special-shaped rail on the corresponding side are arranged on one side of the swing frame at intervals, and two brake assemblies are arranged on the other side of the swing frame at intervals; each brake assembly comprises a first brake block, a second brake block and a double-acting oil cylinder, the double-acting oil cylinders drive the two brake blocks to be far away from or close to each other to achieve separation or abutting connection with the peripheral faces of the corresponding idler wheels and the lower surface of the special-shaped rail top plate, and braking and braking releasing are completed. The driving unit comprises a mounting frame and the swing frame assemblies arranged on the two sides of the bottom of the mounting frame. The rack rail clamping vehicle comprises a driving assembly, and the driving unit is installed on a driving frame of the driving assembly. According to the scheme, the swing frame swings in a self-adaptive mode to adapt to track fluctuation, a double-brake structure of the double brake blocks is combined, and the running stability and safety of the rack rail trapped rail vehicle are effectively improved.

The invention discloses a novel pillar-free shallow hole shrinkage mining method with stud recovery, which comprises the following steps of: stoping ore bodies from top to bottom, and stoping a to-be-mined room (9.1) and a to-be-mined stud (8.1) of a next middle section after stoping of the previous middle section of ore body is finished; a stoping stud (8.2) is communicated with an outside-vein pedestrian ventilation filling raise (6) arranged on a footwall surrounding rock (16) of an ore body through a stud connection way (5), the lower end of the outside-vein pedestrian ventilation filling raise (6) is communicated with the top of a middle section stud ore removal roadway (10), and the top end of the outside-vein pedestrian ventilation filling raise (6) is communicated with an upper middle section stud ore removal roadway (3). And the right end of the upper middle section column ore removal roadway (3) is communicated with the upper middle section haulage roadway (2). According to the method, the problems of large intermediate pillar ore loss and difficulty in recovery in a traditional shallow hole shrinkage method are solved, the resource recovery rate is increased to 88% or above, the compressive strength of the filled artificial intermediate pillar is superior to that of a primary pillar, and the stope stability is remarkably improved.

The invention provides a mining method for a medium-thickness ore body, which relates to the technical field of mining methods, and comprises the following modular processes: precise division of three-dimensional ore blocks: based on three-dimensional modeling data of the ore body, arranging segmented haulage roadways along the trend at an interval of 8-12m, dividing stoping units according to the height of 4-8m in the vertical direction, adopting a horizontal staggered distance of 5-10m for adjacent segments, and adopting a horizontal staggered distance of 5-10m for each segment; a stepped stope face is formed; a stone clamping layer in an ore body is reserved during stoping, the resource utilization efficiency is improved, the ore loss is remarkably reduced through a dynamic ore pillar reserving and local caving collaborative process, meanwhile, surrounding rock mixing is reduced through a presplitting blasting technology, the high-grade ore mining purity is improved, the scene adaptability is enhanced, and the mining efficiency is improved. The limitation of a traditional process on ore rock stability and an ore body form is broken through, medium-stability ore rocks and inclined, multilayer and irregular medium-thickness ore bodies can be efficiently mined, and the application range of mining of non-metal ores is expanded.

The invention belongs to the technical field of tunnel construction, and particularly relates to a tunnel construction ventilation intelligent regulation and control method based on electrical automation. Distributed sensor arrays are deployed on a tunnel driving working face, a haulage roadway and a fan station through a multi-source heterogeneous sensor network, ventilation loads, environmental parameters, equipment states and construction event signals are collected in real time, and real-time and accurate original data support is provided for the system; a three-dimensional fluid mechanics-particulate matter diffusion coupling simulation model of a tunnel ventilation system is constructed, then a digital twin is used as a virtual training environment, an optimization instruction is converted into an electrical control signal, and a closed-loop PID-fuzzy coincidence controller dynamically compensates execution delay, controls operation of a fan and an air valve, and finally performs dynamic simulation on the tunnel ventilation system. And an execution result is fed back to the digital twin body for model calibration, so that finer and more efficient ventilation control is realized, the use problem in a high-altitude and alpine region environment is solved, the continuous effectiveness of ventilation regulation and control is effectively guaranteed, and the overall performance is improved.

The invention relates to the field of coal mine tunnel design, in particular to a method for cooperatively optimizing the width of a section coal pillar through undercut pressure relief and bottom plate filling. Comprising the steps of determining shear stress distribution in a first mining working face section coal pillar lower bottom plate; determining previous collapse positions of the basic roof; stoping and constructing a bottom cutting drilling hole in a maximum shear stress area in a lower bottom plate of the section coal pillar from the haulage roadway; lagging undercut pressure relief work is conducted, and bottom plate filling drilling is conducted from the track roadway to the position below the undercut pressure relief position at intervals; and grouting is conducted on the bottom plate rock stratum through the filling drill holes. According to the method, the bottom cutting drilling is constructed in the maximum shear stress area, so that the concentration of the shear stress of the bottom plate at the lower part of the section coal pillar is effectively reduced, and the stress of the section coal pillar is reduced. And furthermore, rock blocks at the bottom plate pressure relief position are upwards supported through bottom plate separation layer grouting filling at the lower part of the bottom cutting pressure relief position to prop against a cantilever structure formed by caving of the bottom plate, so that the overlying rock stress borne by the section coal pillar is shared, and the reserved width of the section coal pillar can be reduced.

Methods and systems for mining, for example a mining operation including: a surface mine site including a processing site situated remotely from a blast site within the mine site and coupled by a network of roads, wherein a first proportion of the roads are sealed and a second proportion of the roads have a maximum width in the range of 3 to 12 metres; a fleet of autonomous material handling units located at the surface mine site, each autonomous material handling unit including a wireless transceiver for coupling to a communications network. The autonomous material handling units include a plurality of small capacity haulage vehicles, each having a maximum payload capacity of 80 tonnes or less. The autonomous material handling units are configured to be controlled by a control centre via the communications network.

The utility model discloses a cleaning device for tires of a transport vehicle in a mine, which relates to the technical field of cleaning devices and is technically characterized by comprising a steel plate vehicle carrying platform, a plurality of grooves are arranged at one end of the steel plate vehicle carrying platform, and a plurality of transverse pipes are fixedly mounted on the steel plate vehicle carrying platform and positioned at the grooves. A plurality of first spray heads are fixedly mounted on each transverse pipe and located in the corresponding groove, the transverse pipes communicate with one another through a first communicating pipe, a first water pump is fixedly mounted on one side of the steel plate vehicle carrying table, and the water outlet end of the first water pump communicates with the first communicating pipe; the number of the rotating cleaning assemblies is four, the two ends, in the width direction, of the steel plate vehicle carrying table are each provided with a pair of rotating cleaning assemblies, a transmission part is arranged between the two rotating cleaning assemblies located on the same side of the steel plate vehicle carrying table, and a motor is installed on one rotating cleaning assembly located on the same side of the steel plate vehicle carrying table. The motor is fixedly installed on the steel plate vehicle carrying table, and minerals on tires can be removed more comprehensively.

The present application relates to a kind of automatic tow cable system of coal mining machine, the space in cable trough is divided into three layers by layered board assembly, the lower part of tow cable trolley and bundle cage tow rope device is located in middle layer and can only reciprocate along the length direction of cable trough, bundle cage tow rope device is fixed relative to coal mining machine, steel wire rope is threaded along the length direction of cable trough, one end of steel wire rope is wound around the fixed pulley at the head of scraper conveyor, changes direction and then connected with bundle cage tow rope device, the other end is wound around the fixed pulley at the tail, then wound around the movable pulley of tow cable trolley, changes direction again, then returns to the tail and is fixed, cable clamp plate group is connected on coal mining machine at one end, is fixed at the head at the other end, middle part is wound around the roller of tow cable trolley and passes through bundle cage along the length direction of cable trough, the relative position of head and tail can be interchanged.The present application does not need external input power, with guide, upper layer cable clamp plate group will not fall, steel wire rope will not be thrown out, and safety is good.

The application discloses a heavy truck technical field and relates to a multi-section multi-layer carriage type highway electric carrying train, which comprises a vehicle head, a plurality of installation rods with the same structure, a plurality of carriages with the same structure, hub wheels arranged on the carriages, hydraulic telescopic rods arranged at the bottom of the carriages, supporting legs arranged at the bottom of the piston rods of the hydraulic telescopic rods, connecting female parts arranged at the left ends of the carriages, connecting male parts arranged at the right ends of the carriages and the installation rods, and a connection between the installation rods. The heavy truck has at least two carriages, the multi-section carriages can be folded and stored on the first carriage under the condition of no loading, the area occupied by the heavy truck is reduced, and the heavy truck is convenient to park; when the heavy truck is loaded, the multi-section carriages are sequentially connected through the connecting female parts and the connecting male parts, the transportation capacity of the heavy truck is improved, and the problem that the heavy truck cannot meet the increasing demand for large piece transportation is solved.

Provided in the present invention are a chain tensioning device and method for a scraper conveyor dual-drive system. The chain tensioning device comprises a dual-drive head and a dual-drive tail, wherein the dual-drive head comprises a head frame, a first chain-hauled shearer driving portion, a first scraper conveyor driving portion, a first shearer driving portion coupling plate, an L-shaped coupling plate, and a first telescopic oil cylinder; and the dual-drive tail comprises a tail frame, a fixing recess, a second chain-hauled shearer driving portion, a second scraper conveyor driving portion, and a second telescopic oil cylinder. By integrating a dual-drive structure on the tail and the head, the chain-hauled shearer driving portion and the scraper conveyor driving portion are rationally arranged, thereby achieving separate tensioning adjustments of a haulage chain of a chain-hauled shearer and a scraper chain of a scraper conveyor. Moreover, the chain tensioning device for a scraper conveyor dual-drive system of the present invention is simple and convenient to operate, is flexible and reliable, greatly reduces the labor intensity of workers, reduces the workload of workers, and avoids a long downtime due to frequent shutdowns and chain cutting, thereby improving the production efficiency.

The utility model relates to the technical field of dust falling devices, and provides a spraying dust falling device for a coal mine belt conveyor, the spraying dust falling device comprises a cover body, a water spraying pipe, a communicating pipe and a water conveying pipe, the cover body comprises a mounting shell and two supporting blocks, the two supporting blocks are oppositely arranged on a belt conveyor rack, and each supporting block is provided with a containing groove and a fixing mechanism; the lower ends of the two sides of the mounting shell are slidably mounted in the containing grooves correspondingly, the multiple water spraying pipes are arranged on the inner wall of the mounting shell in parallel and located above the belt conveyor, the multiple atomizing nozzles are arranged on the water spraying pipes, and the communicating pipes are arranged between the water spraying pipes and the water conveying pipe. According to the device, a spraying dust falling mode is adopted, dust particles are captured through water mist, coal dust of the main haulage roadway is reduced, the working environment is improved, the mounting shell and the supporting block are conveniently and rapidly disassembled and assembled through the arrangement of the fixing mechanism, and through the arrangement of the first rapid connector and the second rapid connector, the working efficiency is improved. And the communicating pipe and the water conveying pipe can be quickly disassembled and assembled, so that the operation efficiency is improved.

The invention provides an underground trackless transport vehicle with an electromagnetic retarding system, and belongs to the technical field of mining transport vehicles. According to the underground trackless transport vehicle, vehicle operation parameters are collected in real time to establish a dynamic state matrix, speed and acceleration change characteristics are extracted by using a sliding time window method, risk working condition points are identified and are subjected to space-time alignment with a roadway position, and the risk working condition points are determined; a dominant working condition and a disturbance working condition are separated through singular value decomposition, a Pareto optimization model is adopted to solve a braking torque reference value, then a Stackelberg game model is utilized to carry out two-layer hierarchical collaborative optimization on an electromagnetic retarding device and a hydraulic braking system, and control parameters are corrected in real time through a dynamic compensation mechanism. The technical problem that an underground trackless transport vehicle is difficult to realize collaborative optimization control of an electromagnetic retarding device and a hydraulic braking system in a complex and changeable roadway slope environment is solved.

The invention discloses a hauling carrier roller device of a belt conveyor inspection robot, and belongs to the technical field of belt conveyor inspection robots, the hauling carrier roller device comprises a consignment walking supporting guide mechanism, the consignment walking supporting guide mechanism is arranged on a track and is hinged to the second end of a consignment connecting assembly; the consignment connecting assembly is used for guaranteeing that the consignment walking supporting and guiding mechanism synchronously moves along a track along with the belt conveyor inspection robot and does not collide with the belt conveyor inspection robot. The invention aims to solve the problem of replacement and transportation of new and old carrier rollers when the carrier rollers of the long-distance and ultra-long-distance coal conveying belt conveyor in an underground coal mine or a trestle are damaged, meanwhile, the function of a belt inspection robot is widened, and overflow value is provided for terminal customers.

The method may comprise determining a geometry of a stockpile based on the haulage data, engineering drawings and material characteristics; predicting, by the one or more processors using an algorithm implementing a cellular automaton, material movements within the stockpile, based on the geometry of the stockpile, physical parameters of the material movements and emergent rules for the material movements; predicting material movements exiting the stockpile, based on the material movements within the stockpile; predicting, using a concentrator transit model, the material movements across a comminution process in a concentrator, based on material movements exiting the stockpile; and optimizing mining operations based on the knowledge of the material movements through the comminution process. A determination of the material movements may include a determination of the material characteristics of the material.

The invention discloses a monorail crane based on a coal mine main transportation system, and relates to the technical field of coal mine safety, the monorail crane comprises a rail body, the bottom of the rail body is provided with a transportation vehicle body, the transportation vehicle body is provided with a protection mechanism, the protection mechanism comprises a U-shaped plate, the two sides of the inner wall of the U-shaped plate are fixedly connected with L-shaped plates, and each L-shaped plate is fixedly connected with a guide plate; through the arrangement of the protection mechanism, the trigger block is pushed through resistance generated by protruding impurities, then under the cooperation of a rotating wheel, a pull rope and a guide roller, the impact plate is pulled to slide and accumulate force, finally the protruding impurities are smashed, and the removal action is automatically triggered through the physical height of impurity accumulation; therefore, interference of protruding impurities at the connecting position on advancing of the conveying vehicle body is greatly reduced, safety of the track body and the conveying vehicle body in use is improved, and risks of deformation and even breakage of the connecting position of the track body are reduced.

The present invention discloses a safety ventilation system for auxiliary haulage main roadway based on progressive mining, which relates to the technical field of mine ventilation. It includes a main pipe, an air guiding pipe, a filtering component, a cleaning mechanism, an atomizing mechanism and an adjusting mechanism. Among them, a plurality of air outlets are provided on the main pipe, and an atomizing mechanism and an adjusting mechanism are arranged on the air outlets. A plurality of air guiding openings are provided on the air guiding pipe, and a filtering component and a cleaning mechanism are arranged on the air guiding openings. The output ends of the air outlets and the air guiding openings are arc-shaped. A plurality of arc-shaped baffles are arranged on both the main pipe and the air guiding pipe, and the arc-shaped baffles can seal the air outlets and the air guiding openings. The filtering component includes a filtering seat, the filtering seat is fixedly arranged at the air outlet, and a first support shaft is fixedly arranged on the air outlet; effectively preventing the pulverized coal in the air of the roadway from blocking the ventilation equipment, and axial flow fans are arranged at both the air outlet and the air guiding opening, effectively improving the ventilation effect in the deep part of the roadway.

The invention relates to a combined filling mining method for a steeply inclined thin vein, which comprises the following steps: S1, arranging a stope: arranging the stope along the trend of an ore body, dividing the stope into a plurality of middle sections from top to bottom along the vertical direction of the vein, dividing ore blocks through a pedestrian ventilation raise, and reserving bottom columns at the bottoms of the ore blocks; s2, mining preparation cutting is conducted, specifically, an in-vein haulage roadway is tunneled in the direction of an ore body, and then a pedestrian ventilation raise is tunneled upwards through the in-vein haulage roadway to communicate an upper middle section air return roadway with the middle section in-vein haulage roadway; excavating a undercut roadway into the ore block from the pedestrian ventilation raises on the two sides along the upper boundary of the bottom column, and upwards excavating a one-way draw shaft as a draw shaft on one side, close to the footwall of the ore body, of the middle-section in-vein haulage roadway at the central position in the length direction of the ore block; s3, stoping, ore removal and filling are conducted, specifically, rock drilling and manual charging are conducted on the first layer from the undercut roadway, and the second layer is circularly stoped; and then filling in a filling step-by-step manner. The mining efficiency can be improved, and the labor intensity of workers can be relieved.

The invention discloses an underground coal transport vehicle, and belongs to the technical field of coal transport devices, the underground coal transport vehicle comprises a vehicle frame main body and a vehicle head suspension plate, the outer side of the top end of the vehicle head suspension plate is provided with a guardrail assembly, and the top end of the vehicle head suspension plate is provided with a cockpit side protection assembly; a storage assembly and an anti-seismic supporting assembly are arranged at the position, located in the cab side protection assembly, of the top of the vehicle head suspension plate, and a throwing hole is formed in the top of the vehicle head suspension plate. Through cooperative arrangement of the trigger trapezoidal columns and the limiting clamping tongues, when the cockpit top plate is impacted by collapse objects, serious deformation of the cockpit top plate can be prevented through the anti-seismic buffer springs, meanwhile, resonance caused by impact of the collapse objects is weakened, and when the collapse objects cause deformation of the cockpit top plate, the limiting clamping tongues can be pressed downwards through the trigger trapezoidal columns, so that the collapse objects are prevented from collapsing. The seat bearing platform is put into the escape bin formed in the platform enclosure, and a driver can obtain escape materials in the material storage cabinet by opening the cabinet body closing plate and escape in time by opening the escape protection plate.

This invention discloses a method for improving the metrological accuracy of a total mass detection device for heavy haulage vehicles, belonging to the field of calibration and standardization technology for detection devices. First, the axle load data of the heavy haulage vehicle under different test conditions is used as the dataset for training a deep fitting neural network model, and this dataset is cleaned, augmented, and partitioned. Then, a deep fitting neural network model is constructed, and the model is thoroughly trained on the sample data in the dataset, with training parameters adjusted in real time based on the training progress. Finally, by simply inputting the load data of each axle of the heavy haulage vehicle under test, collected in real time, into the trained deep fitting neural network model, the total mass of the heavy haulage vehicle under test can be predicted. Using this method, identification errors can be effectively reduced, dependence on the identification accuracy of the axle load detection device can be decreased, and the identification accuracy under different vehicle speeds and adverse road conditions can be improved.

The invention discloses a strip mine block section stripping transportation route optimization method. The method comprises the following steps: acquiring basic data of a strip mine transportation system; based on the basic data, establishing a block stripping transportation route optimization model which takes the execution state of a truck on each loading and unloading path as a decision variable and takes maximization of the total transportation volume of the system as a target; a mathematical optimization solver is utilized to solve the block stripping transportation route optimization model, and a route distribution scheme of each truck in each transportation trip is generated; and commanding a truck to carry out transportation operation along the optimal path according to the path distribution scheme. According to the method, the detailed driving path and multiple transportation arrangements of each truck in the specific working time can be clearly generated, the performability of the path scheme and the guidance value for actual production are remarkably improved, and the overall efficiency of the strip mine transportation system is effectively improved.

The invention discloses a filling mining method for non-explosive continuous stoping of a gently inclined parallel medium-thickness ore body group. The method comprises the following steps that S1, an ore body group is divided into a plurality of middle sections, sections are divided in the middle sections, and the sections are divided into a plurality of layers; a strip mining mode is adopted in the layer; arranging a middle-section haulage roadway, a mining area slope ramp and a transverse drift roadway which are communicated with one another; s2, excavation and arrangement of accurate mining engineering are conducted, specifically, main accurate mining engineering comprises a transverse drift, a transportation gate road, an air return gate road, a section air return uphill, an air return transverse drift and a section transfer belt roadway; s3, stoping and filling are carried out; the middle section is subjected to overall upward stoping, the layers are subjected to stoping from bottom to top, cemented filling is conducted after stoping of each strip is completed, and after filling of all the strips in the inclined layer is completed, stoping of the next layer continues to be conducted; according to the method, a gently inclined parallel medium-thickness ore body group is considered in a unified manner and is divided into a middle section and a section, an upper layer of ore and a lower layer of ore are linked together through mining and cutting projects such as a transverse drift roadway, a crossheading and an uphill, and simultaneous mining of multiple layers of ore on the whole is achieved; and meanwhile, the mining preparation system of each layer of ore is relatively independent, so that respective mining and respective transportation of the ore body are realized.

An in-cab device in a cab of a vehicle such as a class 1 or class 2 heavy goods vehicle or other vehicles receives an image. The image has been captured by a camera in the vehicle, the image depicting

The utility model discloses a kind of mine underground automatic water mist spray dust fall systems, belong to mine dust removal technical equipment field, solve the existing mine underground dust removal mode not completely, water is easy to accumulate in dust removal process, there is the problem of big security risk.The utility model includes with the annular water pipe and PLC controller of mine top matching adaptation, multiple atomizing nozzles are evenly provided on annular water pipe, one end of annular water pipe is connected with water supply pipe, solenoid valve is equipped on water supply pipe, high-pressure pump is connected on water supply pipe, another end of annular water pipe is connected with drain pipe, multiple smoke dust sensors are also equipped on annular water pipe, PLC controller is connected with solenoid valve and smoke dust sensor.The utility model structure is simple, system is stable, can satisfy the requirement of dust fall in underground main roadway, sectional road, sectional ramp, fan station, application range is wide, especially suitable for underground main haulage roadway, air return, stope and other air quality bad working place, avoid dust pollution harm employee health.

The invention discloses a real-time detection system and method for derailment of a coal mine rail transport vehicle, and relates to the technical field of fault prediction and intelligent diagnosis of transport equipment. The real-time detection system comprises an intelligent traction analysis terminal, a mine car attitude sensing node and a ground monitoring center, and the intelligent traction analysis terminal is fixedly installed in an electric locomotive cab or an electric control cabinet; the mine car attitude sensing node is fixedly mounted at a position capable of sensitively reflecting the attitude of a car body; the intelligent traction analysis terminal comprises an electrical parameter acquisition module, an RFID card reader, an edge intelligent calculation unit, a wireless communication module and a positioning and timing module, the electrical parameter acquisition module and the RFID card reader are respectively connected with the edge intelligent calculation unit through network cables, and the RFID card reader is connected with the mine car attitude sensing node through a UHF wireless communication link; according to the method, the electrical parameters are analyzed through the improved isolated forest algorithm, and the early electrical symptoms before the derailment can be identified in combination with the characteristic engineering optimized for the working condition of the coal mine, so that the false alarm rate is reduced to be lt; 2%, the missing report rate is lt; and 0.5%.

The utility model provides a haulage rope device (1), including shell, rope reel (4), coil spring (3) and rope body (2), the both ends of shaft (43) of rope reel (4) are respectively connected with first reel body (41) and second reel body (42) to form rope reel area (430), the shaft (43) is the ring body that the shaft wall (431) encircles, the diameter of ring body gradually increases along the direction far away from first reel body (41), and the diameter of the ring body gradually increases along the direction far away from second reel body (42). The overall size of the traction rope is greatly reduced, and the rope body is smoothly wound and unwound.

The invention relates to an equipment transporting and loading method for a working face with ultra-large mining height. The method comprises the following steps: selecting a coal mining machine, a hydraulic bracket, a reversed loader and a scraper conveyer according to a fully mechanized coal mining face; according to the clear height of a machine body of the coal mining machine, the initial height of the hydraulic support and the height of the assembled reversed loader, the effective traveling height and a haulage roadway are determined; the height of the lowest position of the haulage roadway is measured, and when the height of the lowest position is not enough for the hydraulic support to integrally pass through, an initial stand column of the hydraulic support is replaced with a replacement stand column lower than the initial stand column; selecting transportation equipment according to the size of the transportation roadway and the weight of the hydraulic support and the coal mining machine; after the hydraulic support is transported to a working face, the replacement stand columns are replaced by the initial stand columns on the working face site, and then installation is conducted. Equipment selection, transportation and installation procedures and transportation equipment and mode selection required by the fully mechanized coal mining face are provided, and particularly, the technical effects of low cost, high safety and convenient implementation are achieved through the mode of replacing the stand columns.

The utility model belongs to the technical field of roadway protection, and particularly relates to an anti-impact buffering device for a haulage roadway, which comprises a buffering support and a buffering support, the buffering support comprises a base, a buffering support plate, a buffer and a through hole, the left end of the base is hinged with the buffering support plate, the buffer is hinged between the buffering support plate and the base, and the buffering support is connected with the buffering support. A plurality of through holes are formed in the buffer supporting plate; the buffer support is connected to the through hole and comprises a movable plate, an insertion rod and a buffer spring, the insertion rod inserted into the through hole is arranged on the right side wall of the movable plate, the buffer spring is arranged outside the insertion rod and located between the movable plate and the buffer supporting plate, and primary buffer supporting is provided through the buffer spring; after being pressed, the buffer supporting plate rotates on the base, the buffer supporting plate is supported through the buffer, secondary buffer supporting is provided, and the buffer effect is improved.

The application provides a steel carrying vehicle identification system and method, which comprises a scene acquisition module, a topological interconnection module, a vehicle identification module and a vehicle discrimination module; the scene acquisition module is used for setting a recycled steel automatic grading area, collecting vehicle pictures in the area and transmitting the pictures to the topological interconnection module; the topological interconnection module is used for connecting each scene acquisition module through a fiber switch and a fiber cable and transmitting the vehicle pictures collected by the scene acquisition module to a host computer; the vehicle identification module is used for calling the vehicle pictures stored in the host computer, extracting feature points in the vehicle pictures through a convolutional neural network and judging whether a carrying vehicle exists in the automatic grading area; and the vehicle discrimination module is used for extracting the vehicle pictures stored in the host computer when the carrying vehicle is identified, collecting and analyzing suspended license plate information through an image enhancement technology, obtaining a discrimination result and transmitting the result to the host computer. The application adopts the vehicle identification module to analyze the collected pictures, adopts the vehicle discrimination module to lock the carrying vehicle and realizes automatic identification of the carrying vehicle entering and leaving a warehouse.

An in-cab device in a cab of a vehicle such as a class 1 or class 2 heavy goods vehicle or other vehicles receives an image. The image has been captured by a camera in the vehicle, the image depicting a driver of the vehicle. An encoding of the image is computed. Tachograph data is received from a tachograph card inserted into a tachograph in the vehicle. The encoded image and the tachograph data are sent to a service for authenticating the driver as being an owner of the tachograph card. The method comprises receiving a result from the service. In response to the result authenticating the encoded image as depicting the owner of the tachograph card, the vehicle is enabled to be driven. In response to the result not authenticating the encoded image as depicting the owner of the tachograph card, the vehicle is retained in a stationary state.