497results about "Underground transport" patented technology

The aspects of the disclosed embodiments relate to a system for transferring a crawler chassis work machine, wherein the system includesan articulated frame steered transfer vehicle with a tow point, at least one dump hinge implemented with a transverse pivot shaft, a dump bed articulated with thee dump hinge, and a support point placed at a distance below the dump hinge,a low trailer with a platform for supporting the work machine on the low trailer during transfer, and a drawbar for fastening the low trailer pivotally to the tow point for towing the low trailer with the transfer vehicle,a draw arrangement supported to the pivot shaft and the support point non-rotatably with a torque arm included in the draw arrangement, wherein the draw arrangement includes a draw element for connecting the low trailer to the transfer vehicle with the draw arrangement.

The invention discloses an underground material intelligent transportation auxiliary system based on magnetic navigation and an AGV. The underground material intelligent transportation auxiliary system comprises a navigation system, a safety monitoring system, a dispatching system and a control system. The navigation system is used for outputting positioning information data of the traction machine head and transmitting the positioning information data to the control system. The safety monitoring system is used for transmitting obstacle signal data, gas concentration data and mine car load data to the control system. The dispatching system is used for outputting a traction machine head dispatching instruction to the control system. The control system receives traction machine head real-time positioning information data transmitted by the navigation system, obstacle signal data / gas concentration data / mine car load data transmitted by the safety monitoring system and dispatching instruction data transmitted by the dispatching system, and outputs a control instruction to the execution mechanism; the executing mechanism comprises an electric control steering device, an electric control braking device and an electric control accelerator device and is used for executing the control instruction transmitted by the control unit, controlling steering and braking of the traction machine head and driving according to the set speed.

The invention relates to a protection device for preventing iron from being wound into a belt conveyor, and belongs to the technical field of belt conveyors. Comprising a frame, two I-shaped supports and two moving blocks are arranged at the head end of the frame in a sliding mode, two transmission rollers distributed up and down are rotationally arranged between the two I-shaped supports, an adjusting roller is rotationally arranged between the two moving blocks, and a loading frame is arranged between the upper ends of the two I-shaped supports; the left side and the right side of the head end of the frame are each fixedly provided with a fixing base, a row of supporting rollers are arranged in each fixing base in a sliding mode, and a first linkage mechanism is arranged between the supporting rollers and the loading frame. A second linkage mechanism is arranged between the I-shaped bracket on one side and the moving block; the problem that coal accumulation is formed at the machine head end of the belt conveyor when supporting materials are detached at present is solved.

The utility model relates to a metal surface mine large dip angle belt conveyor transportation system which comprises a coarse crushing station system, a first transfer station, a second transfer station and a third transfer station. The first transfer station is connected with the second transfer station through a belt conveyor, and the second transfer station is connected with the third transfer station through a large-dip-angle belt conveyor; the inclination angle of the large-inclination-angle belt conveyor is larger than 15 degrees and smaller than 35 degrees. Compared with the prior art, the large-dip-angle belt conveyor has the advantages that by applying the large-dip-angle belt conveyor technology, the capital construction investment of a mine can be greatly reduced; the capital construction time is shortened, the metal surface mine deep mining transportation distance is shortened, and the mine transportation cost is saved; and meanwhile, the routing length is shortened through the routing arrangement of the large-dip-angle belt conveyor, side slopes under unfavorable geological conditions are effectively avoided, and the safety and reliability of the system are improved.

The application discloses a kind of based on ultra-wideband radar's on the scraper conveyor up and down slide monitoring device and method, belong to coal mine safety state monitoring technical field.The monitoring device includes the electric rotating platform installed on the head of scraper conveyor, linear array antenna pointing to the end face end coal wall is installed on the electric rotating platform, linear array antenna connects ultra-wideband imaging radar signal module;Industrial computer sends instruction to control the receiving and sending of ultra-wideband imaging radar signal module, the rotating movement of electric rotating platform respectively;Linear array antenna installed on the head of scraper conveyor is driven by electric rotating platform, periodically collects the radar image of end face end, then by registration with the image periodically collected before, to deduce the distance that the head of scraper conveyor up and down slide;It has strong robustness to the harsh environmental conditions of end face end coal dust water vapor, and monitoring data is accurate.

The invention discloses a solid potassic salt mine underground screening and crushing integrated ore storage bin system, and belongs to the technical field of solid potassic salt mine mining. The system is composed of a roadway type raw ore bin, a feeding chamber and a vertically-arranged screening and crushing chamber. The raw ore bin is communicated with the main transportation roadway and is internally provided with a bulldozer; the feeding chamber is provided with a surge bin and a screw feeder; a linear vibrating screen and a double-geared-roller crusher are arranged in the screening and crushing chamber. The core of the method is that oversize coarse grain materials are returned to a surge bin through an oversize transfer belt conveyor to form closed-loop crushing circulation, and it is ensured that the ore removal granularity is smaller than or equal to 20 mm. The problem that sylvite ore is prone to deliquescence and hardening is fundamentally solved through the roadway type ore storage bin, underground storage, screening and crushing integrated operation is achieved, the ore directly enters an ore dressing, decomposing and crystallizing workshop after being lifted to the ground, the ground ore dressing links are reduced, occupied ground sites are reduced, the working efficiency and the system reliability are improved, and the production cost is reduced. The method is especially suitable for efficient mining of deliquescent solid potassic salt ore.

A fully-mechanized coal mining hydraulic support transfer device comprises a supporting seat used for bearing a disassembled fully-mechanized coal mining hydraulic support, two opposite indicating grooves are formed in the supporting seat, the placing position can be determined based on the indicating grooves when the disassembled fully-mechanized coal mining hydraulic support is placed on the supporting seat, and a plurality of wheels and a plurality of supporting plates are arranged at the bottom of the supporting seat. The supporting base is provided with two opposite vertical plates in the advancing direction of the supporting base, the supporting plate and the vertical plates extend towards the lower side of the supporting base, and gaps exist between the supporting plate and the ground and between the vertical plates and the ground. The placing position of the disassembled fully-mechanized mining hydraulic support can be determined according to indication of the indication groove, it is guaranteed that the gravity center of the disassembled fully-mechanized mining hydraulic support is located at a proper position, and the stability of the transfer device is enhanced.

This utility model discloses a chute liner for mining, comprising a steel plate. The bottom of the steel plate is cast with low-carbon alloy steel, and the upper part is cast with high-chromium alloy. Hard alloy rods are embedded within the high-chromium alloy. Both the steel plate and the low-carbon alloy steel have an arc-shaped structure. During liner casting, the steel plate needs to be embedded within a foam-made mold layer, and the surface of the steel plate needs to be ground and pickled to ensure it is rust-free. This invention solves the problem that many current large-scale mine chute liners are produced using only high-chromium cast iron. The bottom of the chute liner and the chute body are both arc-shaped, and if the fit between the liner and the chute body is not tight, voids will occur. The liner is easily cracked under the impact of stones, requiring the addition of filler during installation, increasing the installation difficulty. Furthermore, high-chromium cast iron has high wear resistance but poor machinability.

The application provides a movable hydraulic support, which comprises a first support, a second support which is arranged at intervals with the first support in a first direction, the first support and the second support can support different positions of a roadway, a pushing device which is connected with the first support and the second support respectively, wherein the supporting height of the first support and the second support is adjustable, when the second support supports, the pushing device can push the first support to move relative to the second support, when the first support supports, the pushing device can push the second support to move relative to the first support. The movable hydraulic support provided by the application can realize the relative movement of the first support and the second support through the pushing device, and the first support and the second support support alternately during the process of moving the support, so that the safety and continuity of the roadway support during the process of moving the support are ensured. Meanwhile, the efficiency of moving the support is improved, the efficiency of coal mining is further improved, and the mining cost is reduced.

The invention relates to the technical field of transportation equipment accessory devices, in particular to a mining transportation device and a transportation method thereof.The mining transportation device comprises a mounting plate and folding assemblies, and the folding assemblies are evenly mounted on the mounting plate; the folding assembly comprises an overturning mechanism, buckling assemblies, an extending device, a stabilizing structure and a supporting assembly, a shaft seat is arranged on the mounting plate, the overturning mechanism penetrates through the shaft seat and is rotationally connected with the mounting plate, the buckling assemblies are uniformly mounted on the overturning mechanism, and the bottom end of the extending device is connected with the top end of the overturning mechanism. The top end of the stabilizing structure is connected with the bottom end of the mounting plate, and the top end of the supporting assembly is connected with the bottom end of the mounting plate.

The application belongs to the technical field of tunnel construction, in particular to a telescopic steel frame for soft rock large deformation tunnel construction and a using method thereof, which comprises a workbench, the workbench is arranged as a box-shaped structure with an opening at the top, a group of electric telescopic rods are uniformly arranged on the lower side of the workbench, universal wheels are arranged at the lower ends of the electric telescopic rods, a pair of sliding grooves are arranged on the side walls of the top of the workbench, a pair of recesses are arranged on the inner side of the top of the workbench, cover plates are slidably connected in the sliding grooves, handles are fixedly connected to the lower sides of the cover plates, the height of the workbench is adjusted through the electric telescopic rods, which is convenient for workers to operate, when a collapse accident occurs, the workers can hide in the workbench according to the situation, and the opening at the top of the workbench is closed by pulling a pair of cover plates together through the handles, so that a closed space is formed, which plays a protective role and prevents the workers from being injured by the collapsed surrounding rock, thereby improving the survival probability of the workers.

The utility model discloses a stope material lowering and pedestrian uphill device, which belongs to the related technical field of mining stope uphill, and comprises the following components: a pedestrian up-and-down passage arranged at the side end of a right rock wall; an iron ladder is arranged in the pedestrian up-and-down passage, and a safety rope is arranged on the iron ladder and used for being grabbed by people going up and down; the material lowering channel is arranged at the side end of the left rock wall, and a concave iron sheet is arranged in the material lowering channel; and a partition is arranged between the material lowering channel and the pedestrian up-and-down channel. The utility model solves the problems of time consumption and high cost due to the fact that two uphill roads are required to be constructed when people go up and down and materials are put down independently; or the problem that potential safety hazards exist when people walk and go uphill is solved.

This invention discloses a sealing device for underground conveyor belt ventilation doors in coal mines. It includes a conveyor belt passing through a ventilation door wall, with a sealing device installed at the opening of the ventilation door where the conveyor belt passes through the ventilation door wall. The sealing device includes a fixed frame, with a lower baffle plate at the lower end of the fixed frame. The lower baffle plate has a through hole for the return conveyor belt. A follow-up adjustment component is installed at the lower part of the upper baffle plate to adjust the sealing distance according to different cross-sectional heights of the material in the conveyor belt. This invention, by installing a control follow-up adjustment component at the lower part of the upper baffle plate of the conveyor belt ventilation door sealing device, which can adapt to changes in the height of coal on the conveyor belt, precisely adjusts the sealing distance based on real-time changes in the pressure difference of the intersecting roadway. This fundamentally solves the problem of material blockage on the conveyor belt during coal transport, maximizing the sealing of coal and achieving stable ventilation operation in the intersecting roadway.

The invention relates to the technical field of coal mine transportation, and discloses a lifting device for an inclined roadway, which comprises a bottom plate, a winding mechanism arranged on the bottom plate and a wire arranging mechanism arranged on the bottom plate, and further comprises a guide rail arranged on the bottom plate and used for guiding movement, and a mine car main body arranged on the bottom plate and used for guiding movement of the mine car main body. And the mine car main body is arranged on the guide rail and is used for transporting objects such as coal under a mine to the outside. By arranging the auxiliary mechanism, when the mine car ascends to a certain height, the included angle between the steel cable and the moving direction of the mine car changes, and the component force borne by the mine car in the horizontal direction of the steel cable is increased, the auxiliary mechanism is connected with the mine car, and the mine car is pulled up through the steel cable on the auxiliary mechanism and the steel cable on the first winding roller at the same time; and the resultant force direction of the two forces is consistent with the running direction of the mine car, so that the possibility of rollover of the mine car can be avoided to a certain extent.

A dump valve arrangement (32) for use with a discharge riser (20) comprises: a settling chamber (66) configured to couple to a lower portion of the discharge riser, a dump valve (72) operable to permit or prevent the flow of medium from the discharge riser into the settling chamber; pressurising bypass line (38) operates as a compression input to the settling chamber to pressurise the settling chamber to reduce a pressure differential between the settling chamber and the lower portion of the discharge riser prior to opening the dump valve; a decompression output (76, 78) to reduce the pressure in the settling chamber after the dump valve has opened; and an outlet (70) for emptying the contents of the settling chamber once the pressure in the settling chamber has reduced sufficiently.

The utility model relates to the technical field of shield tunneling machines, in particular to a cutter conveying device and a double-shield TBM. The cutter conveying device comprises a first transferring mechanism, a second transferring mechanism, a conveying rail, a first automatic conveying vehicle and a cutter conveying beam. The first transfer mechanism is used for being installed on a segment assembling machine, and the cutter conveying beam is used for being installed on a main drive of a cutter head. The second transfer mechanism is movably mounted on the cutter conveying beam and comprises a second automatic transport vehicle and a driving part for driving the second automatic transport vehicle to move along the cutter conveying beam; the transport track is used for being installed on the inner wall of the shield body and located below the first transfer mechanism and the second transfer mechanism, and the first automatic transport vehicle is installed on the transport track in a matched mode. The technical problem that in the prior art, unmanned operation and full mechanization cannot be achieved in the tool conveying process when tools of a full-section hard rock tunnel boring machine are replaced is solved.

The present application relates to a kind of downward vein external fan-shaped medium-length hole rock drilling segmented open stope subsequent filling mining method, belong to mining technical field.The mining method in the present application is applicable to 20~30m thick ore body inclination;The ore body is divided into multiple sections according to certain height, each section is a stage, and a plurality of subsections are divided in stage, overall stoping direction is from top to bottom, and a plurality of stope are divided out vertically ore body trend;The present application is by to mining, cutting and stoping step specially structured arrangement and has corresponding operation method, so that rock drilling, ore drawing are all operated in vein external roadway, the stability of vein external roadway can be better controlled by the influence of mining and filling operation, and the security guarantee degree is higher;Meanwhile, mining preparation engineering, cutting engineering quantity in the present application are compared with the existing technology in access type filling, stratified filling mining process and are optimized and reduced, so as to improve operation efficiency and reduce cost.

The invention discloses a coal mining subsidence area gangue continuous filling reclamation system which comprises a central processing hub, a material conveying system and a dynamic treatment operation area which are sequentially arranged, a resource circulation center is arranged on one side of the dynamic treatment operation area, and the resource circulation center is provided with an automatic spraying maintenance system. The central processing hub, the material conveying system, the dynamic treatment operation area, the resource circulation center and the automatic spraying maintenance system are jointly connected with a monitoring and dispatching system. The invention further discloses a continuous gangue filling and reclamation method for the coal mining subsidence area, through the system layout of'one heart, one area and double-flow simultaneous advancing ', high cooperation of gangue disposal and land reclamation is achieved, the scheduling strategy of'space-time decoupling-parallel advancing' is adopted, zero waiting of equipment is achieved through a'pre-jumping 'mechanism, and the reclamation efficiency is improved. Topsoil stripping, gangue backfilling and soil covering reclamation are completely carried out in parallel in space, the potential safety hazard of cross operation of equipment is avoided through a standard logistics path and scheduling, and the overall operation safety is improved.

The invention is suitable for the technical field of automatic control of mining auxiliary transportation equipment, and provides an underground monorail crane predictive control method and system based on a digital road spectrum, and the method comprises the following steps: obtaining a position and a road spectrum; a parameter online identification step; a target speed dynamic correction step; a composite torque instruction generation step; a driving execution and braking cooperation step; the method has the beneficial effects that speed self-adaptive correction is realized through road spectrum pre-reading and parameter online identification, and the smooth torque is output in combination with composite predictive control, so that pure-electric-drive stable speed regulation of the monorail crane is realized. According to the scheme, instability slipping under complex working conditions is effectively overcome, the safety risk that mechanical braking intervention is triggered due to the fact that the speed is out of control is avoided, and the response speed, the operation stability and the intrinsic safety level of a whole machine system are remarkably improved.

The invention relates to the technical field of self-moving tail leveling, and discloses a mine belt conveyor self-moving tail position and posture leveling control method which comprises the following steps that the pitch angle in the length direction and the roll angle in the width direction of a self-moving tail are collected; with the supporting height of one hydraulic cylinder of the self-moving tail as a reference datum, the pitch angle and the distance between the two hydraulic cylinders in the length direction of the self-moving tail are used for calculating the pitch correction amount; the rolling correction amount is calculated according to the rolling angle and the distance between the two hydraulic cylinders in the width direction of the self-moving machine tail; calculating the total relative height deviation of each hydraulic cylinder supporting point relative to the reference point by adopting a linear superposition mode according to the pitching correction and the rolling correction; according to all the total relative height deviations, the height adjusting amount of all the hydraulic cylinders relative to the reference quantity is calculated; according to the method, the control algorithm is simplified, the calculation redundancy is reduced, the leveling response speed is increased, and the stability and safety of coal transportation are guaranteed.

Method for protecting a loading vehicle (100) from hitting the pit roof (2) of a mine during a dumping operation, comprising the steps of: - defining a safety space (110) having a safety height (SH) from the ground, said safety space being a collision-free space for said loading vehicle during said dumping operation; - defining at least one reference point of said loading vehicle, said at least one reference point being at risk of hitting the pit roof of said mine during said dumping operation; - detecting a dumping movement at a dumping site, wherein material from a bucket of said loading vehicle is removed into a dumping target; - allowing said mining vehicle to move after said dumping movement if each defined reference point is below said safety height.

The utility model relates to the technical field of elastic torsion locking, in particular to an elastic torsion locking conveying device for an auxiliary wellhead of a coal mine. According to the technical scheme, the device comprises a bottom frame, a connecting shaft, a limiting pin, a rotating disc, a support, a hopper and two supporting plates, the two supporting plates are fixed to the two sides of one end of the upper end face of the bottom frame respectively, a fixing hole is formed in the middle of the upper end of one supporting plate, and the middles of the inner sides of the two supporting plates are connected through a connecting plate; the support is fixed to the end, away from the supporting plate, of the upper end face of the bottom frame, a fixing plate is fixed to the lower side of the interior of the end, located on the bottom frame, of the bottom frame, a through hole is formed in the middle of the fixing plate, a sleeve is fixed to the middle of the upper end face of the fixing plate, the inner diameter of the sleeve is equal to the diameter of the through hole, and the interior of the sleeve corresponds to the through hole. Limiting grooves are formed in the two sides of the sleeve. The mine car elastic torsion locking device has the advantage of being beneficial to achieving stable elastic torsion locking on a mine car.

The application provides an intelligent dust cleaning method applied to coal mine frame moving dust production, and comprises the following steps: S1, acquiring data monitored by an inclination sensor in an initial state and data monitored by a support action monitoring sensor; S2, acquiring data monitored by the support action monitoring sensor and data monitored by the inclination sensor; and S3, adjusting a dust blocking belt according to the data monitored by the inclination sensor in the initial state and the data monitored by the support action monitoring sensor in the step S1 and the data monitored by the support action monitoring sensor and the data monitored by the inclination sensor in the step S2. The dust blocking belt automatic winding box can automatically wind and unwind the dust blocking belt according to the data monitored by the support action monitoring sensor and the inclination sensor, so that the movable filter tank can keep a flat state through the winding of the dust blocking belt when the hydraulic support is lowered, pulled and raised, and the dust blocking belt is prevented from being pulled and torn.

The invention relates to the technical field of coal mine fully-mechanized coal mining equipment, in particular to a coal mine fully-mechanized coal mining face self-moving type equipment train. Rectangular grooves are formed in the front and rear sides of the middles of a plurality of sequentially-arranged supporting plates correspondingly, and rails are fixed to the front and rear ends of the top faces of the supporting plates; the rail clamping assembly comprises a base fixed to the middle of the bottom face of the flat car, rail clamping mechanisms with the top ends slidably clamped to the two sides of the middle of the base and a driving mechanism. Brake blocks are fixed to the bottoms of the rail clamping mechanisms. The third lug seats are fixed to the two sides of the middle of the top face of the bottom plate, the bottom ends of piston rods of the jacking oil cylinders are connected to the third lug seats, and the top ends of the piston cylinders are fixed to the bottom face of the flat car. The two ends of the trolley moving oil cylinder are connected to the first lugs corresponding to the two adjacent flat cars correspondingly. The two ends of the plate moving oil cylinder are connected to the second lug seats corresponding to the two adjacent supporting plates correspondingly. The rigid connecting piece is used for connecting two adjacent flat cars; the problem that the rail equipment train on the fully mechanized coal mining face is difficult to safely and efficiently move is well solved.

The utility model discloses a vertical transportation device in a tunnel. The vertical transportation device comprises a lifting platform, guide rails vertically arranged on the two sides of the lifting platform and a driving assembly used for driving the lifting platform to vertically ascend and descend. The driving assembly comprises hydraulic driving mechanisms arranged on the two sides of the guide rail and used for driving the vertical push rod to move and pulley mechanisms fixed to the top end of the vertical push rod and capable of sliding along the guide rail, and the hydraulic driving mechanisms drive the push rod to vertically ascend and descend and drive the pulley mechanisms to vertically move. The lifting platform is further driven to lift through a rope penetrating through the pulley; the utility model can effectively solve the problems of large working face height difference and difficult material transportation in a subsurface tunnel, adopts hydraulic pressure as driving power and mechanical operation, is simple to operate and high in safety, and can effectively improve the transportation efficiency in the tunnel.

According to an aspect, an apparatus may obtain map data associated with a tunnel system of an underground worksite, obtain a start position and an end position for a mining vehicle configured to operate in the tunnel system. The apparatus may further obtain vehicle information including at least kinematic restrictions and space restrictions associated with structural body members of the mining vehicle and a movable work device of the mining vehicle, the kinematic restrictions including movability limits of the movable work device, and determine at least partly based on the map data, the start and end positions, the vehicle information, and a collision free continuous route between the start and end positions for the mining vehicle. The collision free continuous route having at least one collision free position for the movable work device within the movability limits of the movable work device along the collision free continuous route.

The invention provides a double-roadway tunneling system and method based on an unmanned anchor rod supporting technology. The system comprises a continuous miner, an automatic anchor rod supporting device, an anchor rod drill carriage, a forklift, a shuttle car, a crushing reversed loader and a belt conveyor. The automatic anchor rod supporting devices are arranged on the two sides of the continuous miner and the anchor rod drill carriage respectively, and the automatic anchor rod supporting device arranged on the continuous miner is used for implementing one-time automatic anchor rod supporting operation; the anchor rod automatic supporting device arranged on the anchor rod drill carriage is used for implementing secondary anchor rod automatic supporting operation; the forklift is used for cleaning float coal in a roadway, transporting coal and transferring materials; the shuttle car is used for transporting coal rock to the crushing reversed loader; the crushing and transferring machine is used for transferring crushed coal rock to the belt conveyor; the belt conveyor is used for transporting coal rock out of a roadway. According to the tunneling system, the automatic anchor rod supporting device is integrated on the continuous miner, part of anchor rods can be supported in advance in the double-roadway tunneling process, and the double-roadway tunneling safety is improved.

The application discloses a kind of slow incline broken non-coal ore body multi-mechanical combined mining method containing interlayer;It relates to the technical field of ore mining, comprising the following steps: S1, according to the ore Proctor coefficient, the mechanical mining equipment of upper and lower layers of ore body is selected, the corresponding mechanized non-blasting mining method used in upper and lower layers of ore body is determined;S2, the upper and lower layers of ore body are divided into multiple panels along the strike, and the corresponding mining preparation cutting engineering is arranged according to the mechanical mining method determined by the upper and lower layers of ore body;S3, the corresponding stoping and ore drawing engineering is carried out according to the mechanical mining method determined by the upper and lower layers of ore body;S4, the corresponding filling engineering is carried out according to the mechanical mining method determined by the upper and lower layers of ore body.The present application is based on the optimization and improvement of the single mining machine fully mechanized mining and the excavation anchor integrated mining method of prior art, and the two kinds of mechanical equipment can be used simultaneously to stop the slow incline parallel multilayer ore vein containing interlayer, realize separate mining and separate transportation, have the characteristics of large production capacity, high safety, small dilution loss, etc., and are especially suitable for the stoping of parallel ore body group with large production scale and the need for separate mining and separate transportation.

The invention discloses a protection device for absorbing kinetic energy of out-of-control transportation equipment in a mine inclined drift, and belongs to the technical field of safety equipment devices under mines. The protection device comprises an inclined shaft, a shaft station, a rail and a plurality of protection assemblies arranged along the rail at intervals. The protection assembly comprises a fixed shaft, an outer rotating cylinder, an impeller, a flow guide ring and an overrun clutch. The outer rotating drum sleeves the outer side of the fixed shaft through a bearing, and a closed columnar cavity is formed between the outer rotating drum and the fixed shaft and is filled with high-viscosity damping liquid; the impeller is installed on the fixed shaft and located in the cavity. The flow guide ring is fixed on the fixed shaft; the overrun clutch is connected with the outer drum and the impeller. When out-of-control equipment impacts the outer drum at a high speed, the overrun clutch is combined to drive the impeller to rotate at a high speed, the damping fluid is stirred to generate strong vortex and shearing under the action of the flow deflectors, and impact kinetic energy is continuously converted into heat energy to be dissipated; the device effectively solves the problems that an existing inclined drift anti-sliding-down device depends on friction or elastic deformation, springback exists, the energy consumption efficiency is limited, and the maintenance cost is high.

The utility model relates to the technical field of mine draw shafts, and discloses a mine draw shaft anti-blocking vibration guide chute which comprises a first chute plate and a second chute plate, damping installation assemblies are arranged on the outer side of the first chute plate and the outer side of the second chute plate respectively, and vibration motors are fixedly connected to the outer surface of the first chute plate and the outer surface of the second chute plate respectively. A splicing assembly is arranged between the inner side of the first groove plate and the inner side of the second groove plate and comprises a splicing groove plate, and the adjacent sides of the splicing groove plate and the first groove plate are fixedly connected with inserting plates. According to the utility model, through the splicing assembly, the splicing groove plate with the inserting groove, the second groove plate with the inserting groove, the splicing groove plate with the inserting plate and the first groove plate with the inserting plate can be combined and spliced according to the actual size of the discharge port of the mine draw shaft, and the connecting seats between the splicing groove plate and the first groove plate as well as between the splicing groove plate and the second groove plate are locked through the bolt assembly; the material guide chute is suitable for material guide of mine draw shafts with different sizes, and the applicability of the material guide chute is improved.