83results about "Propulsion" patented technology

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 short-body fully-mechanized excavator for coal mine tunneling, which comprises a rack, a walking part, a shovel plate part, a cutting part and a conveyer scraper; the rack is connected with the track assembly of the walking part through a rotating mechanism; the cutting part comprises a folding cutting arm and a transverse shaft type cutting head; one end of the cutting arm is hinged to the rack, and the other end of the cutting arm is fixed with the cutting head; the shovel plate part is connected to the front end of the rack; one conveyer scraper passes through and is arranged on the track assembly; the front end and the tail end of the conveyer scraper extend to the front end of the rack and the tail end of the rack respectively. Advantages: the body is greatly reduced compared with the conventional machine type, and is suitable for narrow lane, sharp turning, continuous mining and continuous charging working face branch lane frequent opening scene; through the adjustment of the coal conveying direction of the conveyer scraper, the rack rotation and the linkage of the cutting arm, the rapid opening operation and continuous transportation of the lane are realized, and the construction efficiency is greatly improved.

The present disclosure relates to a control method, device and system of a coal mining machine traction system, belonging to the field of coal mining machines. The method is applied to a controller in the coal mining machine traction system. The method comprises: detecting the voltage value of a DC bus in real time; in response to the voltage value being lower than a first preset threshold, obtaining voltage fluctuation information within a preset time period; determining the predicted duration of DC bus under-voltage according to the voltage fluctuation information, and comparing it with a first target duration; in the case where the predicted duration is determined to be less than the first target duration, controlling the output frequency of the frequency converter according to the voltage fluctuation information to perform PID adjustment on the speed of the traction motor, thereby controlling the traction motor to generate power at a reduced speed and feeding the generated power of the traction motor back to the DC bus through the inverter module to maintain the voltage of the DC bus. The robustness of the coal mining machine traction system under under-voltage conditions is ensured, and the reliable production of the coal mining machine traction system is guaranteed.

A long arm type compact wheel bucket excavator relates to mechanical equipment for open pit mining, comprising a supporting mechanism, a bucket wheel driving mechanism, a discharging arm rotating mechanism, a crawler walking mechanism and a tensioning mechanism, the discharging arm rotating mechanism comprising a main machine walking mechanism, a supporting base assembly, a rotating platform assembly and an adjusting plate assembly; the supporting base assembly comprising a central pipe vertically fixed on the main machine walking mechanism and a mounting seat fixed on the central pipe; the rotating platform assembly comprising a rotating platform rotatably supported on an L-shaped beam; the adjusting plate assembly comprising an adjusting plate body, a lower connecting shaft slide way symmetrically arranged on both sides of the adjusting plate body and an upper connecting shaft slide groove symmetrically arranged on the other two sides of the adjusting plate body, the guide directions of the lower connecting shaft slide way and the upper connecting shaft slide groove being perpendicular to each other. The wheel bucket excavator does not need to additionally set a reclaimer and will not generate triangular coal, and has the advantages of good stress characteristics, good safety and the like.

The utility model relates to the technical field of coal mine mining pressure prevention and control, in particular to a coal mine fully mechanized coal mining face suspended roof cutting device which comprises an installation bin, a cutting wheel and a clamping unit, and the clamping unit comprises a fixing base, a clamping plate shaft, a square column, a square bin, a rotating shaft, an installation frame, an air cylinder, a rotating base, a power assembly and a lifting assembly. The clamping plate penetrates through the square column to make contact with the clamping plate shaft, the controller is clicked to start the air cylinder, the air cylinder abuts against the rotating base to be close to the rotating shaft till the square column and the square column are matched, at the moment, the rotating base plays a role in abutting against the rotating shaft and can also be matched with the cutting wheel to rotate, and the dismounting mode is opposite to the mounting mode; and the lifting assembly is used for adjusting the height of the mounting bin, so that the cutting wheel is quickly mounted in this way, the time consumed for mounting the cutting wheel is shortened, the workload of workers is reduced, and the working efficiency of the workers is improved.

The utility model provides a caterpillar track type heading machine, and relates to the technical field of heading machines. The caterpillar track type walking mechanism is connected with the heading machine main frame body, and the caterpillar track type walking mechanism is used for driving the heading machine main frame body to move; the caterpillar track type walking mechanism comprises a pre-laid caterpillar track, a pre-laid caterpillar track and a pre-laid caterpillar track, the chain wheels are rotatably arranged on the heading machine main frame body, the chain wheels are meshed with the pre-paving chain track, and the chain wheels are used for walking on the pre-paving chain track so that the heading machine main frame body can move relative to the bottom face of the roadway. According to the technical scheme, the chain wheel walks on the pre-laid chain track, so that the main frame body of the heading machine moves relative to the bottom surface of a roadway. Compared with a crawler-type heading machine, the caterpillar track type heading machine can climb under the large-gradient working condition of 30 degrees or above, is good in stability, overcomes the technical bottleneck that an existing heading machine cannot climb on the large gradient, and is beneficial to reducing potential safety hazards and improving the heading efficiency.

The invention discloses a coal mine drilling machine intelligent propelling system based on the self-adaptive control technology. The coal mine drilling machine intelligent propelling system comprises a main control unit, a power switching module, a first driving assembly, a second driving assembly and a feedback collecting module. The main control unit receives state information of the drilling machine host and dynamically adjusts the power switching module in combination with data of the environment sensing module so as to accurately control the two driving assemblies. The system monitors working conditions in real time through a rock stratum stress sensor and a temperature sensor, optimizes operation parameters, and guarantees equipment safety through a safety protection module and an alarm prompt module. The remote interaction module supports wireless data interaction, and the intelligent level is improved. According to the invention, the adaptability, response speed and operation precision under complex geological conditions can be improved, and the problem of insufficient intelligence of a traditional propulsion system is solved.

The application provides a vertical cutting swing roof supporting device and mining device suitable for steeply inclined thin ore veins, and belongs to the technical field of mine vertical mining. The vertical cutting swing roof supporting device suitable for steeply inclined thin ore veins comprises a cutting mechanism, a supporting mechanism, a swing hinge point pin shaft, a cutting swing oil cylinder, a vertical roof supporting mechanism and a vertical bottom supporting mechanism. The application combines the occurrence characteristics and mining technical conditions of steeply inclined thin ore veins, carries out research on the related vertical cutting swing roof supporting device and mining device, discusses the use conditions and range of the ore deposit, changes the current situation of the mining device and process of steeply inclined thin ore veins in mines, realizes efficient, safe and economic mining in mines, and achieves the purpose of improving the ore grade of steeply inclined thin ore veins, reducing ore dilution and improving the economic benefits of mines.

This invention relates to the field of coal mining machine technology, and provides a continuous operation system for a coal mining machine. The continuous operation system includes a coal mining machine, a conveyor, and supports. The supports include telescopic components that can drive the conveyor to extend and retract. The telescopic components can move the conveyor along the width direction of the machine body. Multiple supports are arranged sequentially along the length direction of the machine body. The continuous operation system has a working state and a waiting state. In the working state, the conveyors are arranged side-by-side in a row on the working face, and the coal mining machine moves along a slide rail to mine coal. In the waiting state, the coal mining machine mines coal at the starting positions at both ends of the working face, and the supports adjust the conveyor to move to the next working face. The continuous operation system for a coal mining machine according to this invention has advantages such as flexible deployment and efficient switching, realizing rapid transfer of equipment between working faces and automatic track reconstruction.

The embodiment of the application provides a detachable inverted U-shaped oil tank structure, and relates to the technical field of oil tank structure. The detachable inverted U-shaped oil tank structure comprises an oil tank body assembly, the oil tank body assembly is made through welding and is in an inverted U-shaped structure, two groups of connecting sleeves are inlaid and welded between the top and the bottom of the oil tank body assembly, mounting screws are arranged in each group of connecting sleeves, a positioning pin is arranged at the bottom of the oil tank body assembly, a central small hole is formed in the positioning pin for lubricating oil to pass through, and the oil tank body assembly is fixed on a walking part of a coal mining machine through the positioning pin and the two groups of mounting screws. The positioning pin and the mounting screws are used for conveniently disassembling and assembling the oil tank body assembly, the inlaid and welded connecting sleeves prevent oil leakage, the inverted U-shaped structure avoids a long silk rod and has a lubricating oil dripping function of adjusting the flow rate of lubricating oil, and therefore the maintenance convenience, the work efficiency and the safety and reliability of equipment operation are improved.

The utility model provides a kind of high-pressure foam injection type wheeled high-frequency projectile device, it is related to civil engineering machinery and equipment field, and it includes: tracked chassis, the top of tracked chassis is provided with support pedestal;Hydraulic control unit, is arranged in one end of support pedestal top;Gas pressurizing unit, is arranged in one side of hydraulic control unit;Foam delivery unit, is arranged in one side of gas pressurizing unit;Electric excitation unit, is arranged in one side of foam delivery unit;Six-in-one wheeled reaction chamber array, is arranged in one side of electric excitation unit;Projectile loading unit, is arranged in one side of six-in-one wheeled reaction chamber array;Projectile acceleration gun barrel, is arranged in one side of projectile loading unit.The utility model is through six-in-one wheeled disc type ultrahigh-pressure foam reaction chamber array and automatic reset system, substantially reduce operation cycle, improve firing frequency, reduce artificial intervention interruption, make high-frequency continuous operation ability complete breakthrough.

The invention belongs to the technical field of intelligent mining of coal mines, and discloses an intelligent cooperative control system for an underground mining working face of a coal mine. Whole-process intelligent cooperative control is realized through deformation monitoring of the scraper conveyor, actual geometric morphology construction, reference drift tensor field calculation, dynamic correction of a coal cutting track, abnormal recognition of a bottom plate and self-adaptive adjustment of control parameters. Identifying a bending deformation section of the conveyor, constructing an actual geometrical shape curve, and calculating a reference drift tensor field of each position of a working surface; performing space coordinate transformation on the original memory coal cutting track of the coal mining machine to generate a corrected target coal cutting track; recognizing a bottom plate fluctuation abnormal area by combining hydraulic support monitoring data, and dynamically adjusting a coal cutter roller lifting control gain and a propulsion speed compensation coefficient; and realizing closed-loop adaptive control by analyzing and identifying a secondary deformation signal and iteratively updating a reference drift tensor field. The bottom plate flatness and the coal seam recovery rate are improved, and equipment abrasion and accident risks are reduced.

A machine for excavating rock includes a frame, a cutting device, and a boom. The cutting device includes a cutting disc having a cutting edge, the cutting disc being rotatable about a cutting device axis. The boom supports the cutting device and includes a first end, a second end, and a boom axis substantially parallel to the cutting device axis. The boom further includes a first portion and a second portion. The first portion is connected to the frame for rotation about a first pivot axis between a raised position and a lowered position. The second portion is connected to the cutting device, and the second portion is pivotable about a second pivot axis between a raised position and a lowered position.

The invention discloses a mining device and a mining method suitable for a hard ore body, and belongs to the technical field of hard coal mining. The device comprises an unmanned mining car, an adjusting mechanical arm is installed on the unmanned mining car, a rotary rock breaking machine is detachably connected to the adjusting mechanical arm, and an ore shoveling bucket is installed on a car head of the unmanned mining car; a buffer assembly is installed at the joint of the adjusting mechanical arm and the rotary rock breaking machine, when the rotary rock breaking machine makes contact with ore for operation, the rotary rock breaking machine moves through a sliding rod and compresses a buffer spring, and then vibration force of the rotary rock breaking machine during ore excavation can be buffered; the vibration force transmitted to the adjusting mechanical arm or the unmanned mining vehicle is reduced, and when the rotary rock breaking machine makes contact with harder rock, the rotary rock breaking machine can be protected, and the service life of the rotary rock breaking machine is prolonged.

The invention relates to a walking box assembly of a coal mining machine and a combined walking box series of the coal mining machine. The former comprises upper and lower shells and a transition frame. The upper and lower shells are both box structures with a through cavity. A pair of one-axle assembly mounting holes and a pair of two-axle assembly mounting holes are arranged on the front and rear sidewalls of the upper shell. Only a pair of one-axle assembly mounting holes or a pair of one-axle assembly mounting holes and a pair of two-axle assembly mounting holes are arranged on the front and rear sidewalls of the lower shell. The latter comprises walking boxes of the coal mining machine with high, medium and low heights. The walking box with the low height only uses the upper shell. The walking boxes with the medium and high heights simultaneously use the upper and lower shells and the transition frame. The upper shell is detachably fixed on the rear end surface of the traction part shell. The transition frame is detachably fixed below the traction part shell. The lower shell is detachably fixed on the rear end surface of the transition frame. The invention can realize flexible adjustment of the overall height of the walking box and reduce the production cost.

The invention provides a drill carriage chain tensioning device and a drill carriage, and the drill carriage chain tensioning device comprises a chain wheel which is configured to be meshed with a chain. The chain wheel takes the first pin shaft as a rotating shaft, and the chain wheel is rotatably connected with the first pin shaft. The tensioning assembly comprises a screw rod and a screw rod barrel, threads are arranged on the inner side of the screw rod barrel, threads are arranged on the outer side of the screw rod, the screw rod barrel is connected to the outer portion of the screw rod in a sleeving mode, and the screw rod is meshed with the screw rod barrel. The screw rod is arranged in the direction perpendicular to the length direction of the first pin shaft and fixedly connected with the first pin shaft, the screw rod barrel is configured to be rotatably installed on a propelling beam body of the drill carriage, the relative positions of the chain and the propelling beam body are fixed, and the screw rod barrel is rotated to drive the chain wheel to move relative to the chain. According to the drill carriage chain tensioning device, the chain tensioning force can be effectively adjusted.

The present application belongs to the technical field of walking control of coal mining machine, and solves the problems of lacking of coordinated control of left and right caterpillar belts and not enough optimization of self walking motor control of existing continuous mining machine. A left and right coordinated walking control method and device of continuous mining machine are proposed, including the following steps: S1: obtaining output values of left and right caterpillar belt control handles; S2: if straight going, executing steps S3-S4, if turning, executing steps S5-S7; S3: taking the motor controlled by the control handle with larger value in the output values as reference motor and obtaining speed feedback; S4: determining speed given of following motor according to speed feedback of reference motor; S5: taking the motor controlled by the control handle opposite to the turning direction as reference motor and obtaining speed feedback; S6: determining turning angle of target continuous mining machine; S7: determining speed given of following motor according to turning angle and speed feedback of reference motor. The present application can optimize output of following motor, and realize coordinated control of stable straight going and smooth turning of continuous mining machine.

A split type coal mining machine carrier includes an explosion-proof power source vehicle and a self-driving carrying platform, and a synchronous walking control mechanism is arranged between the explosion-proof power source vehicle and the self-driving carrying platform, the synchronous walking control mechanism includes a buffer connection control device and a synchronous walking control system, the buffer connection control device is a buffer connecting rod, includes a first rod body and a second rod body, a buffer oil cylinder is arranged between the first rod body and the second rod body, first and second hinged pieces for connecting front and rear vehicles are respectively arranged at the ends of the first rod body and the second rod body away from the buffer oil cylinder, and the first rod body and the second rod body are mutually inserted, and the cross section of the insertion interface is square, the beneficial effects of the present application are that through the design of the synchronous walking control mechanism and the speed synchronization method, the coordinated movement of the explosion-proof power source vehicle and the self-driving carrying platform is realized, and the driving stability and operation efficiency of the coal mining machine carrier are significantly improved.

The present application relates to coal mining technology field and disclose a kind of cutting mechanism and coal winning machine, the cutting mechanism includes rocker housing, drum cutting part, drive motor, transmission module and buffer assembly, drum cutting part is connected with rocker housing, drum cutting part includes rotatable cutting execution component and the drive end of driving cutting execution component rotation, drive motor is installed on rocker housing and has output end, transmission module includes mounting plate and the gear set being set on mounting plate, mounting plate is detachably arranged in rocker housing, gear set connects output end and drive end, to transmit the power of drive motor to cutting execution component, buffer assembly is arranged between mounting plate and rocker housing, for buffering the vibration received by transmission module and limiting the displacement of mounting plate in multiple directions relative to rocker housing.The cutting mechanism of the embodiment of the present application can realize the quick maintenance and replacement of transmission module, and can slow down the transmission of vibration, ensure the stable transmission of power.

The utility model discloses rapid coal seam tunneling equipment, and relates to the technical field of coal mining equipment. Comprising a machine body, crawler belt assemblies are arranged at the positions, close to the front portion and the rear portion, of the lower surface of the machine body, and supporting mechanisms are arranged at the positions, corresponding to the front crawler belt assembly and the rear crawler belt assembly, of the lower surface of the machine body; a heading head assembly is installed on the left side face of the mechanical arm assembly, extension mechanisms are arranged on the front and rear side faces of the heading head assembly, a rotating cylinder is fixedly installed on the upper surface of the mechanical arm assembly, and a driving mechanism is installed on the upper surface of an output shaft of the rotating cylinder. The posture adjusting function of the machine body is added, under the complex geological condition, the height of the crawler belt assembly is increased, so that anti-skid objects are laid, the purpose that equipment is disengaged from subsidence is achieved, the width of a heading head is adjusted according to the use requirement, meanwhile, follow-up machine retreating is facilitated, the water detecting function is added, and the heading efficiency is greatly improved.

The invention provides an anchor protection platform, a tunneling support system and a tunneling support construction method, and belongs to the field of tunnel construction. The anchor protection platform comprises a frame body and anchor protection equipment installed on the frame body, the frame body is provided with a carrying part used for sitting on a carrying platform arranged on the cantilever type tunneling equipment, two sets of telescopic supporting legs are arranged on the frame body, and the two sets of telescopic supporting legs are located on the left side and the right side of the carrying part respectively. During use, the two sets of telescopic supporting legs are also located on the left side and the right side of the cantilever type tunneling equipment correspondingly and can lift the anchor protection platform from the cantilever type tunneling equipment through extension. The tunneling support system comprises the anchor protection platform. The tunneling support construction method comprises the following steps: carrying the anchor protection platform by using cantilever type tunneling equipment during movement, and separating the anchor protection platform from the cantilever type tunneling equipment during construction. The anchor protection platform can be carried by the cantilever type tunneling equipment to advance and can be separated from the cantilever type tunneling equipment to conduct supporting operation so as to isolate vibration, and cooperative movement and synchronous supporting are considered while timely supporting is achieved.

The application relates to the technical field of reduction gearbox and discloses a reduction gearbox connecting device which comprises a connecting plate, a first connecting assembly, a second connecting assembly and a third connecting assembly; the connecting plate is used for being connected with a coal mining machine; the first connecting assembly is connected to the lower side of the connecting plate, and the first connecting assembly comprises a first connecting plate and a second connecting plate; the second connecting assembly is arranged on the lower side of the first connecting assembly, the second connecting assembly comprises a third connecting plate and a fourth connecting plate, and the third connecting plate and the fourth connecting plate are respectively detachably connected with the first connecting plate and the second connecting plate; the third connecting assembly is arranged on the lower side of the second connecting assembly, the third connecting assembly comprises a fifth connecting plate and a sixth connecting plate, and the fifth connecting plate and the sixth connecting plate are respectively detachably connected with the third connecting plate and the fourth connecting plate; through the step-by-step detachable structures of the connecting assemblies, the connecting assembly corresponding to the fault position can be detachably removed in a targeted manner, and the difficulty of disassembly and maintenance is reduced.

The application discloses a long-distance double-roller flexible coal mining machine, which comprises a driving part, a double-roller cutting head, a conveying part and a walking part. The driving part drives the rotation of a spiral drill rod through a hydraulic motor, the spiral drill rod drives the cutting head to cut a coal seam, and the gear and rack system is used to realize the advancing and retreating of the equipment. The conveying part adopts a flexible drill rod box structure, the spiral drill rod transmits torque, the drill rod box bears the pushing and pulling force, the angle between the drill rod boxes is adaptively adjusted according to the actual terrain change, and the vibration and impact generated during the drilling process of the equipment are reduced. The double-roller cutting head adaptively adjusts the coal mining height, and meets the efficient coal mining demand under different height coal seams. The walking part supports the equipment through a track to reduce the bottom lying amount as much as possible, and the angle of the equipment is adjusted through a hydraulic oil cylinder to meet the demand of the coal mining operation in the horizontal, downward and upward directions. The application has the advantages of high efficiency, stability and strong adaptability, and is suitable for long-distance coal mining operation in complex coal seams.

The utility model discloses a plough type deviation adjusting device and mining machine relates to strip mine mining machine technical field, and the plough type deviation adjusting device includes: tailstock body and plug -in board, tailstock body is used to install in the non coal mining side opposite with coal mining side of mining machine, and the plug -in board is movably connected in the tailstock body, and the plug -in board can be extended to the working state to the ground to be in the storage state to the mining machine recovery, when the plug -in board is in the working state, the plug -in board is contacted with the ground to prevent the mining machine from deviating the moving direction, when the plug -in board is in the storage state, the plug -in board is spaced from the ground. Set up like this, can avoid the mining machine when coal mining because of the lateral force of cutting coal causes the track to run off, thereby ensuring the coal wall cutting straight, and further guaranteeing double drum strip mine mining machine normal coal mining walking.

A machine for excavating rock includes a frame, a cutting device, and a boom. The cutting device includes a cutting disc having a cutting edge, the cutting disc being rotatable about a cutting device axis. The boom supports the cutting device and includes a first end, a second end, and a boom axis substantially parallel to the cutting device axis. The boom further includes a first portion and a second portion. The first portion is connected to the frame for rotation about a first pivot axis between a raised position and a lowered position. The second portion is connected to the cutting device, and the second portion is pivotable about a second pivot axis between a raised position and a lowered position.

This utility model discloses an integrated multi-functional transport and anchor device, comprising: an integrated transport and anchor equipment, a tail frame installed at the tail of the integrated transport and anchor equipment, a walking track installed at the bottom of the integrated transport and anchor equipment, a transport frame installed inside the integrated transport and anchor equipment, and an adjustment groove opened on the right end surface of the transport frame, a movable frame slidably installed inside the adjustment groove, and a rotating wheel rotatably installed on the surface of the movable frame; a telescopic cylinder is used to push the rotating wheel to move along the adjustment groove, and the movement of the rotating wheel will pull the transport belt, and when pulled, the folded telescopic belt will be flattened, and the length of the transport belt will be extended after flattening, further extending the length of the tail, so that the landing point of the transport belt can be far away from the rear of the integrated transport and anchor equipment, avoiding being pulled back to the sides and front of the roadway by the walking tracks on both sides of the integrated transport and anchor equipment, and preventing travel resistance in the roadway.

The invention relates to the technical field of mining equipment, in particular to an open-air continuous miner with a multi-layer cutting device, which comprises a movable chassis, a platform device, a double-layer cutting device, a loading device, a scraper, a crushing hopper and a transition platform, the double-layer cutting device comprises an upper-layer cutting arm and a lower-layer cutting arm, the upper-layer cutting arm and the lower-layer cutting arm are rotatably connected to the transition platform, the upper-layer cutting arm is located above the lower-layer cutting arm, and the length of the upper-layer cutting arm is larger than that of the lower-layer cutting arm. According to the coal mining machine, efficient coal mining can be achieved, cut coal is collected and loaded in time through the loading device and then conveyed backwards in time through the scraper conveyor, meanwhile, the coal is crushed in time in the crushing hopper at the tail of the machine body, the whole process is coordinated and synchronous, the mining, loading, transporting and crushing continuity degree is high, and the working efficiency is high. The technical problem that the coal mining or crushing efficiency is affected due to the fact that all parts of a coal mining machine in the prior art are unreasonably matched is solved.

The utility model discloses a surface mine mining shoveling device, which relates to the field of mine mining, and comprises a main support body, one side edge of the main support body is vertically provided with a vertical side groove, the top surface of the main support body is fixedly connected with an adjusting motor, and the bottom surface of the main support body is symmetrically clamped with driving wheel bodies; a movable side block is in butt joint with one side edge of the main supporting body, a vertical connecting rod is perpendicularly and downwards welded to the bottom face of the movable side block, a containing box body is horizontally in butt joint with one side edge of the vertical connecting rod, a scraping inclined rod is horizontally and fixedly welded to one end of the containing box body, and a turnover motor is fixedly arranged on one side edge of the containing box body. Bottom clamping holes are symmetrically formed in the bottom face of the main supporting body, the top ends of the bottom clamping holes are fixedly connected with steering motors, an integrated wireless remote control type control structure is adopted so that the device can be used more efficiently and safely, and a turnover containing box body structure is combined so that the device can be more rapidly shoveled and loaded.

The utility model relates to the technical field of track shoe structures, in particular to a high-strength wear-resistant cantilever type heading machine track shoe which comprises a transmission shaft, a plurality of reinforcing ribs are arranged on the surface of the transmission shaft, and connecting discs are fixedly installed at the two ends of the transmission shaft. A wear-resistant plate is fixedly mounted on the surface of the crawler part, and a connecting shaft is mounted at one end of the crawler part; the crawler belt has the advantages that the crawler belt pieces can be connected through the connecting shafts at one ends of the crawler belt pieces to form the crawler belt of the cantilever type heading machine, the connecting discs at the two ends of the transmission shaft are clamped at the two ends of the crawler belt pieces, the crawler belt can rotate under rotation of the transmission shaft, and the reinforcing ribs on the surface of the transmission shaft can effectively improve the strength of the transmission shaft; meanwhile, the wear-resisting plates located on the surfaces of the crawler parts can improve the strength of the whole crawler and are more wear-resisting, and therefore the problem that the crawler is low in strength and prone to damage is solved.

This invention discloses a thin-walled coal seam mining device adapted to the forward and backward inclination of the floor, comprising a hydraulic support, a conveyor, a coal mining machine, and an angle adjustment assembly. The hydraulic support is equipped with a pushing jack; the conveyor is connected to the pushing jack, and the coal mining machine is connected to the conveyor. The angle adjustment assembly is located between the conveyor and the pushing jack, and is used to adjust the tilt angle of the conveyor in the forward and backward direction of the floor, so that the conveyor drives the coal mining machine to adjust the coal mining angle in the forward and backward direction of the floor. This invention's thin-walled coal seam mining device, adapted to the forward and backward inclination of the floor, adjusts the tilt angle of the coal mining machine in the forward and backward direction of the floor through the angle adjustment assembly, thereby adapting to the inclination of the floor in the forward and backward direction, reducing coal seam loss caused by floor inclination, and thus improving coal mining efficiency. Because the cutting drum can better cover the coal seam, it reduces the waste of coal resources.