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89 results about "Haulage" patented technology

Haulage is the business of transporting goods by road or rail. It includes the horizontal transport of ore, coal, supplies, and waste, also called cartage or drayage. The vertical transport of the same with cranes is called hoisting.

Controlling transfer of material from a transfer vehicle to a haulage vehicle based on an internal profile of the haulage vehicle

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.
Owner:DEERE & CO

Tunnel construction ventilation intelligent regulation and control method based on electrical automation

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.
Owner:POLO BRANCH OF HUADIAN JINSHA RIVER UPPER REACHES HYDROPOWER DEVELOPMENT CO LTD

Tire cleaning device for transport vehicle in mine

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.
Owner:DAZHONG MINING CO LTD INNER MONGOLIA

Automatic haulage system for coal mining machine

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.
Owner:SHANGHAI BRANCH TIANDI SCI&TECH CO LTD +1

Towed highway electric haulage train with multi-section multi-layer carriages

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.
Owner:BEIJING LVCHENG JINXIU ENERGY TECH CO LTD

Chain tensioning device and method for scraper conveyor dual-drive system

PCT designated stageWO2026130257A1ConveyorsCouplingControl engineering
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.
Owner:NINGXIA TIANDI BENNIU IND GRP

Spraying and dust settling device for coal mine belt conveyor

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.
Owner:INNER MONGOLIA MANSHI COAL GRP CANZIGOU COAL CO LTD

Underground trackless transport vehicle with electromagnetic retarding system

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.
Owner:KUNMING GAOJIN JINMA ELECTROMECHANICAL EQUIP CO LTD

Belt conveyor inspection robot hauling carrier roller device

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.
Owner:SHANXI KEDA AUTOMATION CONTROL

Method and apparatus for stockpile ore characterization and kinetics

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.
Owner:FREEPORT MCMORAN INC

Monorail crane based on coal mine main transportation system

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.
Owner:HUAIBEI MINING CO LTD

Combined filling mining method for steeply inclined thin vein

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.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST

Underground coal transport vehicle

PendingCN121757078Aavoid severe deformationreduce resonancePedestrian/occupant safety arrangementSafety equipmentsVehicle frameDriver/operator
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.
Owner:INNER MONGOLIA INTELLIGENT COAL CO LTD

A method for improving the metrological accuracy of a gross vehicle weight detection device.

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.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT +3

Strip mine block section stripping transportation route optimization method

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.
Owner:CHINA UNIV OF MINING & TECH +1

An automatic mine underground water mist spray dust fall system

ActiveCN224679543UAchieve micronizationImprove dust suppression efficiencySolenoid valveDust control
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.
Owner:JINCHUAN GROUP NICKEL COBALT CO LTD

Real-time detection system and detection method for derailment of coal mine rail transport vehicle

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%.
Owner:CITIC HIC KAICHENG INTELLIGENT EQUIP CO LTD

Traction rope device and rope winding disc

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.
Owner:SHENZHEN SHUANGYING SPORTS TECH CO LTD

Equipment transporting and loading method for working face with ultra-large mining height

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.
Owner:SHAANXI COAL IND GRP SHENNAN IND DEV CO LTD +2

Anti-impact buffering device for haulage roadway

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.
Owner:JINUO NEW MATERIALS (YANTAI) CO LTD

Steel haulage vehicle identification system and method

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.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD +1

Haulage equipment management

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.
Owner:AITM SYST LTD

A real-time method for determining the development height of a coal mine floor failure zone

PendingCN122429728AFiberCoal
The present application relates to a kind of coal mine floor failure zone development height real-time measurement method, between working face haulage roadway and air return roadway, excavate two groups of V-type symmetrical boreholes, the symmetry axis of two groups of V-type symmetrical boreholes is respectively perpendicular to working face advancing direction, parallel;Distributed sensing optical cable is worn into V-type symmetrical borehole, and the strain distribution data of distributed sensing optical cable in V-type symmetrical borehole is collected in real time;Based on the interface of failure zone is distinguished according to strain distribution characteristics, and the development height of floor failure zone is dynamically output;V-type symmetrical borehole structure makes fiber form cross monitoring network in floor profile, and two-way strain information can be obtained at the same depth, solve the problem that vertical single hole cannot accurately distinguish the interface of failure zone and guide uplift zone.It is continuous strain monitoring in the length range of whole borehole by distributed optical fiber, can capture the whole process dynamic evolution of floor failure zone development, overcome the defect that traditional method can only intermittent measurement.
Owner:HUANENG COAL TECH RES CO LTD

A bottom-hugging case type scraper system

This invention provides a box-type shovel and haulage system for underground tunnel repair. The box-type bucket includes a top plate, a bottom plate, a left side plate, and a right side plate. The connecting main frame also includes a top plate, a bottom plate, a left side plate, and a right side plate. The top plate of the box-type bucket and the top plate of the connecting main frame are rotatably connected via a rotating shaft, as are the bottom plate of the box-type bucket and the bottom plate of the connecting main frame. Left and right swing cylinders are symmetrically arranged on the left and right sides of the rotating shaft, with their ends rotatably connected to the box-type bucket and the connecting main frame, respectively. The unloading plate is located inside the box-type bucket, with its upper, lower, left, and right edges slidably connected to the top, bottom, left, and right sides of the box-type bucket, respectively. The two ends of the unloading cylinder are connected to the connecting main frame and the unloading plate, respectively. This box-type shovel and haulage system effectively solves the problems of limited space during corner construction and unloading difficulties in narrow underground coal mine tunnels.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

A guiding and dragging device for quick removal of hydraulic support in a well

The utility model relates to underground hydraulic support quick removal technical field discloses a kind of guiding haulage device for underground hydraulic support quick removal, including guide rail, the guide rail inside is provided with guide slot, the guide rail top is slidably connected with sliding plate, the sliding plate lateral wall is rotatably connected with pulley, the pulley is slidably connected in the guide slot inside, the sliding plate top is provided with hydraulic support, the hydraulic support lateral wall is fixedly connected with tow ring pole, the sliding plate lateral wall is fixedly connected with connecting plate, the connecting plate is slidably connected in the guide rail top, the guide rail top is provided with multiple limit grooves. In the utility model, the pulley of the sliding plate lateral wall is driven along guide slot by the guide slot inside guide rail, so as to reach the effect that hydraulic support is quickly removed, solve the problem that hydraulic support moves difficultly, positioning is not accurate due to narrow underground space, improve the efficiency and stability of removal process.
Owner:ENG INSTALLATION & REMOVAL BRANCH OF ZAOZHUANG MINING (GRP) CO LTD

Improved inclined shaft skip bucket traction frame copper sleeve

The utility model discloses an improved inclined shaft skip bucket traction frame copper bush, a barrel body is of a split structure and comprises a left half barrel body and a right half barrel body, and one end of each half barrel body is provided with a half outer flanging integrally formed with the half barrel body. After installation, the pair of half cylinder bodies is folded to form a whole cylinder, the half outer turnups of the pair of half cylinder bodies are folded to form a circle of complete outer turnup, and the axis of the cylinder is perpendicular to the plane where the half outer turnups are located. And at least one threaded through hole for disassembly with the axis parallel to the axis of the cylinder is formed in each half outer flange. The copper sleeve can be conveniently taken out from a rotary shaft hole of the traction frame, and convenient replacement of the copper sleeve is achieved; load bearing position change of the copper sleeve can be achieved, and the service life of the copper sleeve is prolonged.
Owner:JIAOJIA GOLD MINE OF SHANDONG GOLD MINING (LAIZHOU) CO LTD

Chain haulage coal cutter dragline system simulation test device

The present application relates to a kind of chain haulage coal mining machine towrope system simulation test device, wherein first, second slider respectively with first, second linear guide sliding fit, coal mining machine simulation model and towrope trolley simulation model are respectively fixed on first, second slider, the output shaft of first variable frequency motor and first vertical bearing seat each coaxially installed with first sprocket, first chain is wound on first sprocket and forms chain transmission with it, the output shaft of second variable frequency motor and second vertical bearing seat each coaxially installed with second sprocket, second chain is wound on second sprocket and forms chain transmission with it, first, second chain is respectively fixedly connected with coal mining machine simulation model and towrope trolley simulation model, towrope simulation model is arranged in U shape after passing through the pulley on towrope trolley simulation model, one end is fixed on coal mining machine simulation model, the other end is relative to the one end of first linear guide fixed.The present application can provide theoretical basis and design reference for chain haulage coal mining machine towrope system design.
Owner:SHANGHAI TIANDI MINING EQUIP TECH CO LTD +2

Material transfer control based on an internal profile of a haulage vehicle

An agricultural system includes a material transfer vehicle configured to receive material from a harvester and to transfer the material to a haulage vehicle, a material conveyance subsystem configured to convey the material from the material transfer vehicle to the haulage vehicle, at least one processor, and memory storing instructions executable by the at least one processor. The instructions, when executed, cause the agricultural system to access a representation of a haulage vehicle internal geometry corresponding to the haulage vehicle, and control the material conveyance subsystem to transfer the material from the material transfer vehicle to the haulage vehicle based on the representation of the haulage vehicle internal geometry.
Owner:DEERE & CO