CN206358762U - Automatic retractable belt conveyor - Google Patents

Abstract

The utility model belongs to the technical field of the flexible belt feeder is used in the colliery, it is with high costs to have flexible belt feeder operation for solving, the technical problem of transshipment inefficiency, an automatic flexible belt feeder is provided, including sticky tape and mutual articulated steel truss train in proper order, the transition train, flexible train and material receiving navigation tractor, the steel truss train is including navigation aircraft nose and a plurality of steel truss gun carriage, all articulated between a plurality of steel truss gun carriages and between the steel truss gun carriage of tip and the navigation aircraft nose, unmanned steering mechanism is all installed to the front end of navigation aircraft nose and the tail end of material receiving navigation tractor, the navigation aircraft nose, the steel truss gun carriage, the transition train, wheel balance mechanism is all installed to flexible train and material receiving navigation tractor wheel department, the sticky tape is installed at the steel truss train, the transition train, flexible train and material receiving navigation tractor are last. Adopt the utility model provides high system production efficiency has reduced manufacturing cost, and the operation cost has thoroughly solved the system in the transshipment inefficiency, with the many problems of work personnel.

Description

Automatic telescopic belt conveyer

Technical field

The utility model belongs to colliery Expansion belt conveyor technical field, and in particular to a kind of automatic telescopic belt conveyer.

Background technology

With the reform and innovation of colliery excavated technology, coal mine output increases, and adopts machine by big gun and adopts, and is adopted by development machine to combining Coal unit, the daily output is by hundreds of tons to tens of thousands of tons.It is still that Expansion belt conveyor is overlapped with elevating conveyor in down-hole mining system, Again elevating conveyor overlap joint is crushed with digging unit to use cooperatively.（Expansion belt conveyor is applied in the 3rd link）, developed at this Cheng Zhong, digging efficiency is greatly improved, and reprints the bottleneck that efficiency is increasingly becoming mining system.Existing Expansion belt conveyor is present Following Railway Project：1st, be unable to automatic telescopic, the increasing of frame or subtract it is complete manually；2nd, storage strip length is limited, and adhesive tape changes frequent, Labor intensity is big, and efficiency is low；3rd, short with the elevating conveyor lap of splice, flexible to need personnel footman's operation, labor intensity is big, operation people Member is more；4th, tail is heavy, and mobile and removal of home is difficult；5th, carrying roller car does not have spacing in storage cassette holder, causes to join a regular shift or class difficult in maintenance；6th, machine Adhesive tape deflects intensity and is limited when longer, deflects well damage.People employ following several to solve this bottleneck problem Improved method：

1st, tail moves forward and backward is completed by drawing hoist, and Expansion belt conveyor is typically overlapped with Bridge type transfer, effectively overlap joint Length is 12.5 meters, that is, moves 12.5 meters of a ultimate range.When tunneling 100 meters of unit per tour drilling depth, to move eight and take second place It is many.This kind of mode moves cumbersome, has a strong impact on mining progress, reduces coal mining efficiency, increases mining costs；In addition, when mobile The staff needed is more, increases unsafe factor；

2nd, people are in order to improve tail movement efficiency, and a kind of self-movable foot end of utility model is common to have horseshoe that self-movable foot end With step type self-movable foot end.Both structure operations are simple, conveniently moving, but still can not change manually footman's extension or shortening and stretch The problem of contracting belt feeder frame.

3rd, reprinted using flexible belt machine, this belt feeder is first, be unable to automatically walk, it is necessary to tunnel unit traction, band To tunnel the improvement of unit；Second, it is longer with the telescopic belt pusher side lap of splice, snake is moved into, side gap-bridging device spacing is small, Walking accident is more；Concave arc radius requirement is larger, is difficult to constrain adhesive tape, rubber belt from deviating coal breakage, edging etc. are serious.

4th, using flexible rubber belt transshipment machine, this elevating conveyor first, the Expansion belt conveyor tail overlapped therewith is huge, move Dynamic, correction etc. is cumbersome, takes the driving time, and support staff is more；Second, the operation of adhesive tape concave arc can not be kept away with concave arc motion Exempt from, sideslip blanking is serious, influence production；Third, flexible rubber belt transshipment machine is ridden in Expansion belt conveyor, it is too high to be inconvenient to tie up Shield.

5th, the improvement of Expansion belt conveyor, with the length increase in tunnel, Expansion belt conveyor is increased to by an original km 4000 meters, people constantly improve carrier roller mechanism and diameter of cylinder, to meet the increase that adhesive tape deflects intensity, or even change adhesive tape Deflect performance, introduce aramid fiber adhesive tape（Cost is high）, but be all due to space limitation, it is impossible to it is solved.Investigation is useless Band display, 80% adhesive tape is damaged and edging to deflect.

In summary, this bottleneck how is solved, improves and reprints efficiency, increases production safety, mining costs is reduced, turns into Underground coal mine urgent problem.

The content of the invention

The utility model is high to solve existing Expansion belt conveyor operation cost, and reprinting the low problem of efficiency, there is provided one kind Automatic telescopic belt conveyer.

The technical solution adopted in the utility model is as follows：

A kind of automatic telescopic belt conveyer, including steel truss train, transition train, flexible train, material feeding navigation tractor and Adhesive tape, steel truss train, transition train, flexible train, material feeding navigation tractor are hinged using hinged seat and compression-spring device successively, Compression-spring device is symmetricly set on the left and right sides of hinged seat；The steel truss train includes navigation head and some steel truss big guns Hinged seat and compression-spring device are used between the steel truss gun carriage and navigation head of between car, some steel truss gun carriages and end It is hinged, compression-spring device is symmetricly set on the left and right sides of hinged seat, the front end for the head that navigates and the tail end of material feeding navigation tractor It is respectively mounted unmanned steering mechanism, navigation head, steel truss gun carriage, transition train, flexible train and material feeding navigation tractor Wheel balance mechanism is respectively mounted at wheel, each train wheel balanced controls are installed by oil pipe UNICOM of UNICOM, the adhesive tape annular On steel truss train, transition train, flexible train and material feeding navigation tractor.

The steel truss gun carriage includes steel truss gun carriage, support cylinder, live axle, follower shaft and wheel balancer Structure, the steel truss gun carriage by two section store up belt storehouse frames be formed by connecting by upper lower plate and side clamping plate, under steel truss gun carriage in face of The left and right sides at two ends is respectively mounted the left and right sides in the middle of a support cylinder, steel truss and is respectively mounted live axle or driven afterwards Wheel balance mechanism is respectively mounted on wheel shaft, live axle or follower shaft.Set gradually from the front to the back electrically in storage belt storehouse frame Control cabinet, bend pulley A, bend pulley B, some carrying roller cars, travelling car, front wheel group, rear wheel group, constant tension winch, lead To wheel and pumping station system etc., some carrying roller cars are together in series by automatic cord winder respectively successively, the carrying roller car after series connection Front end is connected with the bogie of storage belt storehouse frame front end, and rear end is connected with travelling car, and the steel truss gun carriage top left and right sides is along steel truss Frame length direction interval is uniformly installed by some pop-up roller groups；The steel truss gun carriage of between some steel truss gun carriages and end and navigation It is hinged between head using hinged seat and compression-spring device, compression-spring device is symmetricly set on the left and right sides of hinged seat.

The navigation head includes head frame, unmanned steering mechanism, wheel balance mechanism, live axle, speed-reducing drums, gear Case, fluid coupling, motor, unloading rack, idler machining, head deflector chute, unloading roller, head cleaner, the front end bottom of head frame Installing wheel balanced controls on unmanned steering mechanism and wheel balance mechanism and steering wheel shaft, the rear end chassis of head frame are installed on disk And live axle, speed-reducing drums, fluid coupling and motor, the side installation gear-box of head frame, gear-box are installed in head frame inside One end be connected with one end of the shaftless bearing of speed-reducing drums, the other end of gear-box is connected with one end of fluid coupling, fluid power The other end of coupler is connected with motor, and the left and right sides is installed above unloading rack, unloading rack and head frame along discharging in the front end of head frame Some idler machinings are uniformly installed at the length direction interval of frame, and unloading roller, head are installed in the front of unloading rack pop-up roller group successively Sweeper and head deflector chute.

The transition train includes some transition gun carriages, and the transition gun carriage includes vehicle frame I, wheel balance mechanism, driven Installing wheel balanced controls on follower shaft, follower shaft are installed in wheel shaft and transition carrier roller group, the vehicle frame I middle left and right sides, Transition carrier roller group includes some groups of highly different transition carrier rollers, from high to low installed in the left and right sides above vehicle frame I；Some mistakes Cross gun carriage to be hinged with hinged seat successively, the transition carrier roller group on some transition gun carriages is set from high to low successively.

The flexible train includes some retractable vehicles being hinged, and the retractable vehicle includes vehicle frame II, telescopic arm, straight line Ball bearing, preceding cross-arm, rear cross-arm, wheel, wheel balance mechanism and carrying roller are moved, wheel balance mechanism is welded on a vehicle frame II left side Right both sides, wheel is arranged in wheel balance mechanism, and the vehicle frame II front-end and back-end left and right sides sets linear motion ball respectively Bearing and telescopic arm, telescopic arm pass through ball bushing, and one end shaft shoulder and ball bushing of telescopic arm are stuck, no Can be fully extended, the other end of telescopic arm sets preceding cross-arm and rear cross-arm respectively, and the vehicle frame II top left and right sides is vertically installed There is carrying roller；The preceding cross-arm of one retractable vehicle and the rear cross-arm of another retractable vehicle are connected with bearing pin, and the side of bearing pin two is symmetrically installed pressure Spring device.

The material feeding navigation tractor includes unmanned steering mechanism, impact idler, surge hopper, motor driving wheel axle, car Frame III, driven steering wheel shaft, bend pulley and counterweight, vehicle frame III tail end install unmanned steering mechanism, vehicle frame III tail end Install and motor driving wheel axle, the vehicle frame III top left and right sides are installed below driven steering wheel shaft, vehicle frame III front end in lower section Some impact idlers are installed along vehicle frame III length directions interval, surge hopper is installed in the top of impact idler, and vehicle frame III's is upper Bend pulley is installed in the rear end of square impact idler, and counterweight is installed in the top of vehicle frame III front-end driven wheel shaft.

The wheel balance mechanism, including some oil cylinder suspensions for being symmetrically welded at train both sides, oil cylinder suspension include wheel Pedestal, fixed mount and compensating cylinder, compensating cylinder include cylinder body and piston rod, and one end of piston rod is arranged in cylinder body, and and cylinder body The oil pocket of a closing is formed, the other end of piston rod stretches out cylinder body, and compensating cylinder is fixed on below fixed mount, one end of axle stand It is hinged by jointed shaft A with fixed mount, centre is hinged by jointed shaft B and piston rod, the other end installing wheel of axle stand；Its In the suspension of oil cylinder compensating cylinder at the top of unidirectional Fill valve is installed, unidirectional Fill valve is connected with the oil pocket of compensating cylinder, each row The suspension of train oil cylinder is connected by UNICOM's oil pipe.

The unmanned steering mechanism, including automatic cord winder, servo deceleration motor, fixed mount, rolling pressure bearing I, Turntable mounting, stud, steel bushing, dust-break set, little gear, arc-shaped rack, steering wheel shaft, rolling pressure bearing I I, dust washer, Installed in jam plate, direction sensor and velocity sensor, the center base of turntable mounting rolling pressure bearing I, dust-break set, steel bushing, Rolling pressure bearing I I and dust washer, the top of steel bushing pass fixed mount, and install jam plate, stud on the top of steel bushing The circular hole that is each passed through in the middle of turntable mounting and jam plate of two ends turntable mounting is fixed on to the centre of fixed mount, the left side peace of turntable mounting Arc-shaped rack is filled, the little gear being meshed with arc-shaped rack is installed on the left side of fixed mount, and servo deceleration is installed in the upper end of little gear Steering wheel shaft is installed, automatic cord winder, automatic cord winder steel are installed in the front end of fixed mount in the middle of motor, the lower section of turntable mounting The side installation direction sensor of cord or so two and velocity sensor.

Scrollwork bullet is set with successively on the automatic cord winder, including watt seat, reel, steel wire rope, axle and scroll spring, axle Spring and reel, one end and the axle of scroll spring are fixed, and the other end is fixed with reel, wirerope-winding on reel, steel wire rope One end is fixed with reel, and the other end is free end, and watt seat is arranged on the two ends of axle.

The beneficial effects of the utility model：

1. the rear and front end of automatic telescopic belt conveyer of the present utility model is provided with unmanned steering mechanism, unmanned to turn to Mechanism closely follows target, and the flexible train automatic running of commander's material feeding navigation tractor traction keeps and object synchronization, realized Automatic telescopic, without artificial footman's operation；Steel truss train automatic running is commanded, keeps consistent with target, realizes that complete machine is moved （Expansion belt conveyor resets）, efficient and convenient and saving is manually.

2. live axle and follower shaft are provided with below automatic telescopic belt conveyer of the present utility model, can be on road surface Upper walking, in addition, being provided with wheel balance mechanism at wheel, it is ensured that during pavement roughness, although wheel is not at one On horizontal plane, but vehicle frame is horizontal（Left and right directions）Nearly level is kept, so that automatic telescopic belt conveyer is adapted to downhole crossheading Machine adopt road conditions, adhesive tape not sideslip blanking can be ensured in loading chute, it is normal in moving process middle reaches motor-car and carrying roller car Operation, so as to realize that automatic telescopic and automatically walk reset.

3. it is connected between the carrying roller car in the utility model using automatic cord winder, and in automatic cord winder The length of steel wire rope is arranged as required to as regular length, it is ensured that the spacing of some carrying roller cars is not more than the length of steel wire rope, Efficiently solve carrying roller car freely to walk, the problem of carrying roller spacing is too big difficult in maintenance, while reaching the increase of storage cassette holder space, increases Plus the purpose of storage strip length.

4. hinged seat both sides are symmetrically installed extension spring device, make train that there is certain rigidity, offset the side of a part of wheel To stress, the stationarity of train is added and the middle function that becomes.

5. the flexible train in the utility model can be with automatic telescopic, storage cassette holder space is larger, can be according to the class of underground two Driving yardstick determine collapsing length, extension or shorten frame without manually joining a regular shift or class so as to realize.

6. due to steel truss train be higher by than flexible train it is more, two cars series connection after penetrate adhesive tape, certainly will cause on adhesive tape Drift, departs from idler machining, and adhesive tape departs from the restriction meeting sideslip blanking of carrying roller, and the utility model passes through in steel truss train and flexible row The concave arc track that the transition carrier roller group on a transition train, transition train has highly adapted to float formation on adhesive tape is designed between car, Adhesive tape is entered groove, efficiently solve and floated on adhesive tape, depart from idler machining, cause the technical problem of sideslip blanking.

7th, realize after automatic telescopic, adhesive tape need not be changed under conditions of adhesive tape is not damaged, can work continuously；

8th, realize and subordinate's belt feeder fixed point overlap joint, technical requirements and its cost and fortune of the reduction to next stage belt feeder Seek cost.In transfer system, automatic telescopic belt conveyer is applied to the second transshipmenting tache, not only instead of existing reprinting equipment, And do not requiring that it is flexible that subordinate's belt feeder is joined a regular shift or class.

9th, it is short with overlap distance before and after neighbouring device（No more than 3m）, left and right spacing distance is big, but appearance and size it is thin, long, It is narrow, short, neither interfere during operation with miscellaneous equipment, be easy to safeguard again.

10th, afterbody sets surge hopper, reduces freight volume peak value, has saved the power of subordinate's transporting equipment, has been manufactured into Sheet and operation cost.

In summary, the application of automatic telescopic belt conveyer, will increase system production efficiency, reduce production cost, thoroughly solution Certainly difficult problem is reprinted in system.

Brief description of the drawings

Fig. 1 is leading portion front view of the present utility model；

Fig. 2 is Fig. 1 top view；

Fig. 3 stage casing front views of the present utility model；

Fig. 4 is back segment front view of the present utility model；

Fig. 5 is the front view of navigation head；

Fig. 6 is the top view of navigation head；

Fig. 7 is the front view of flexible train；

Fig. 8 is the top view of flexible train；

Fig. 9 is the front view of transition train；

Figure 10 is the front view of material feeding navigation tractor；

Figure 11 is the top view of material feeding navigation tractor；

Figure 12 is the front view of wheel balance mechanism；

Figure 13 is the top view of wheel balance mechanism；

Figure 14 is the structural representation of compensating cylinder；

Figure 15 is the front view of automatic cord winder；

Figure 16 is the top view of automatic cord winder；

Figure 17 is the front view of unmanned steering mechanism；

Figure 18 is the top view of unmanned steering mechanism；

Figure 19 is that conveying belt tension part adhesive tape winds schematic diagram；

In figure：1- framves, the unmanned steering mechanism of 2-, 3- wheel balances mechanism, 4- live axles, 5- speed-reducing drums, 6- teeth Roller box, 7- fluid couplings, 8- motors, 9- unloading racks, 10- idler machinings, 11- heads deflector chute, 12- unloading rollers, 13- heads Sweeper, 14- support cylinders, 15- follower shafts, 16- storage belt storehouse frames, 17- train wheel bridges, 18- sides clamping plate, 19- electric control boxes, 20- bend pulleys A, 21- bend pulley B, 22- carrying roller car, 23- moves about car, 24- front wheel groups, 25- rear wheel groups, and 26- is permanent Tension windlass, 27- directive wheels, 28- pumping station systems, the automatic cord winders of 29-, 30- bogies, 31- pop-up roller groups, 32- is hinged Seat, 33- compression-spring devices, 34- vehicle frames I, 35- transition carrier roller group, 36- vehicle frames II, 37- telescopic arm, 38- ball bushings, Cross-arm after cross-arm before 39-, 40-, 41- wheels, 42- carrying rollers, 43- impact idlers, 44- surge hoppers, 45- motor driving wheel axles, The driven steering wheel shafts of 46- vehicle frames III, 47-, 48- bend pulleys, 49- counterweights, 50- axle stands, 51- fixed mounts, 52- balances Cylinder, 53- cylinder bodies, 54- piston rods, 55- oil pockets, the unidirectional Fill valve of 56- jointed shafts A, 57- jointed shaft B, 58-, 59- UNICOMs oil pipe, 60- servo deceleration motors, 61- fixed mounts, 62- rolling pressure bearing Is, 63- turntable mountings, 64- studs, 65- steel bushings, 66- Dust-break set, 67- little gears, 68- arc-shaped racks, 69- steering wheel shafts, 70- rolling pressure bearing I I, 71- dust washers, 72- locks Plate, 73- direction sensors, 74- velocity sensors, 75- watts of seat, 76- reels, 77- steel wire ropes, 78- axles, 79- scroll springs, 80- adhesive tapes, 81- navigation heads, 82- steel truss gun carriages, 83- material feedings navigation tractor, 84- transition trains, 85- stretches train.

Embodiment

As shown in Figure 1,2,3, 4, a kind of automatic telescopic belt conveyer, including steel truss train, transition train 84, flexible train 85th, material feeding navigation tractor 83 and adhesive tape 80, steel truss train, transition train 84, flexible train 85, material feeding navigation tractor 83 It is hinged successively using hinged seat 32 and compression-spring device 33, compression-spring device 33 is symmetricly set on the left and right sides of hinged seat 32；It is described Steel truss train includes the steel truss of between navigation head 81 and some steel truss gun carriages 82, some steel truss gun carriages 82 and end It is hinged between frame gun carriage 82 and navigation head 81 using hinged seat 32 and compression-spring device 33, compression-spring device 33 is symmetricly set on hinge The left and right sides of joint chair 32, the front end for the head 81 that navigates and the tail end of material feeding navigation tractor 83 are respectively mounted unmanned steering mechanism 2, pacify at navigation head 81, steel truss gun carriage 82, transition train 84, flexible train 85 and material feeding navigation 83 times wheels of tractor Wheel-mounted balanced controls 3, each train wheel balanced controls 3 are arranged on steel truss by the UNICOM of UNICOM's oil pipe 59, the adhesive tape 80 On train, transition train 84, flexible train 85 and material feeding navigation tractor 83.

As shown in Figure 5,6, the navigation head, including head frame 1, unmanned steering mechanism 2, wheel balance mechanism 3, driving wheel Axle 4, speed-reducing drums 5, gear-box 6, fluid coupling 7, motor 8, unloading rack 9, idler machining 10, head deflector chute 11, unloading rolling Cylinder 12 and head cleaner 13, the front end of head frame 1 are installed by unmanned steering mechanism 2 and wheel balance mechanism 3, the rear end peace of head frame 1 Speed-reducing drums 5, fluid coupling 7 and motor 8 are installed in wheel-mounted balanced controls 3 and live axle 4, the inside of head frame 1, head frame 1 Gear-box 6 is installed in side, and one end of gear-box 6 is connected with one end of the shaftless bearing of speed-reducing drums 5, the other end of gear-box 6 and One end of fluid coupling 7 is connected, and the other end of fluid coupling 7 is connected with the drive shaft of motor 8, and the top of head frame 1 is installed Install on some idler machinings 10, unloading rack 9 at unloading rack 9, length direction interval of the top left and right sides of unloading rack 9 along unloading rack 9 The front of idler machining 10 securement head deflector chute 11, unloading roller 12 and head cleaner 13 successively.

Navigation head has four functions：1st, the operating of driving automatic telescopic belt conveyer, transports material to head from tail and unloads Fall, the same general belt conveyor of design selection, it is characterised in that gear-box assume responsibility for bearing block, shaft coupling and the function of changed course, Speed-reducing drums, motor, fluid coupling etc. are arranged on head frame inner chamber, the appearance and size of head is reduced, is easy to walking；2nd, pacify Steel truss train is constituted together mounted in steel truss train front end, and steel truss gun carriage, it is characterised in that oil has been installed below in head frame Cylinder suspension, live axle and steering wheel shaft, as a driver element in steel truss train Multipoint Drive.All parts of head Counterweight as the driving；3rd, unmanned navigation, it is ensured that train acts in agreement with target；It is characterized in that being mounted with unmanned steering Mechanism, effectively monitors the movement locus of neighbouring device and is orientated unanimously, so as to realize automatically reseting for automatic telescopic belt conveyer And automatically walk；4th, fixed automatic telescopic belt conveyer is supported.When automatic telescopic belt conveyer is operated, support cylinder stretches out, and holds out against ground Face, oil cylinder bottom is provided with pressganging able-bodied men, and navigation head is fixed in support, it is ensured that the normal operation of belt feeder and automatic telescopic.

As shown in Figure 1, 2, 3, the steel truss gun carriage includes steel truss, support cylinder 14, live axle 4, follower shaft 15 and wheel balance mechanism 3, the steel truss stores up belt storehouse frames 16 by two sections and is formed by connecting by train wheel bridge 17 and side clamping plate 18, steel The left and right sides of rear and front end is respectively mounted the left and right sides in the middle of a support cylinder 14, steel truss and is respectively mounted drive below truss It is respectively mounted on the axis of a movable block 4 or follower shaft 15, live axle 4 or follower shaft 15 in wheel balance mechanism 3, storage belt storehouse frame 16 Set gradually electric control box 19 from the front to the back, it is bend pulley A20, bend pulley B21, some carrying roller cars 22, travelling car 23, preceding Assembly pulley 24, rear wheel group 25, constant tension winch 26, directive wheel 27 and pumping station system 28, some carrying roller cars 22 lead to respectively successively Cross automatic cord winder 29 to be together in series, the front end of the carrying roller car 22 after series connection is connected with storing up the bogie 30 of belt storehouse frame 16, go here and there The rear end of carrying roller car 22 after connection is connected with travelling car 23, and the left and right sides is installed along steel truss length direction interval above steel truss Some pop-up roller groups 31.

Live axle 4 typically is installed below in last steel truss gun carriage, all installed below remaining steel truss gun carriage from The axis of a movable block 15, end to end 2 points of drivings；Road surface of being expert at is poor, when the gradient is more than ± 6 °, steel truss big gun that can be in the middle of train Live axle 4 is installed below in car, forms 3 points of drivings.Live axle on steel truss train is all chain, unified to receive instruction； Hinged seat 32 leaves gap in three directions, and compression-spring device 33 is all installed in its both sides, the function of having self centering during walking, reduces The swing angle of snake；

The major function of steel truss train is：1st, carry and the navigation head of fixed automatic telescopic belt conveyer, drive device, Carrying roller car, travelling dolly, constant tension winch, pumping plant, idler machining, adhesive tape, deflector chute, sweeper and transported material etc.；2nd, set up Carrying roller car and travelling carriage walking platform, set up larger storage carrying space, realize the orderly traveling of carrying roller car and travelling car, reach certainly The purpose of dynamic storage and release adhesive tape；3rd, complete machine automatically walk is realized, working condition is automatically restored to, realization is not changed part and continuously made The purpose of industry.4th, all support cylinders, which stretch out, holds out against ground, and automatic telescopic belt conveyer is fixed in oil cylinder tray bottom provided with pressganging able-bodied men, Ensure normal operation and the automatic telescopic of belt feeder.

Steel truss train as automatic telescopic belt conveyer a part, analyze automatic telescopic belt conveyer dynamic just knowable to steel The dynamic of truss train.

Automatic telescopic belt conveyer can be generally used in second link in downhole crossheading transfer system, its head（Uninstalling portion）With Subordinate's belt machine tail part overlap joint, afterbody is overlapped with broken elevating conveyor or scraper blade elevating conveyor, end to end unmanned steering mechanism's steel at two ends The central point connection of cord free end and neighbouring device.There are two kinds of operating modes：One kind is driving operating mode, and automatic telescopic belt conveyer is stretched Long, another to be back to step on operating mode, automatic telescopic belt conveyer shortens.Under both operating modes, its function is all to reprint, i.e., driving Or return the mixed coal stepped on and reprint onto subordinate's belt feeder.Tunnel operating mode when, flexible train be reduced to it is most short, with to it is broken reprinting unit after Face, with driving unit（Including crushing elevating conveyor）Drilling depth and extend, general extension elongation is the drilling depth of two diggings class（200 Rice）When efficiency highest.Extend operating mode：It is motionless that steel truss train firmly grasps ground, the unmanned steering mechanism's steel wire rope of afterbody freely it is short with Broken elevating conveyor midpoint connection, when driving unit advances, pulls the navigation steel wire rope being connected with broken elevating conveyor, touches speed and passes Sensor, material feeding navigation tractor live axle is received to be started after this signal, rearwardly direction running, and travel direction is by direction Sensor is controlled, at this moment, conveyor belt tension increase, after conveyor belt tension is more than range of set value, constant tension winch reversion, into pump Working condition, discharges steel wire rope, and travelling dolly is retracted by adhesive tape, travelled to heading, carrying roller car is in automatic cord winder Drawn close successively to heading under effect, adhesive tape is discharged, flexible train is elongated.Until flexible train and driving unit are same Step；When flexible train is very fast, during more than driving unit speed, velocity sensor contact is inverted, material feeding navigation tractor driving wheel Axle is received to slow down after this signal, until flexible train is synchronous again with driving unit.When storing up adhesive tape whole stretching in cassette holder, First carrying roller car touches limit switch, material feeding navigation tractor live axle power-off parking, brake locking.Conveyor belt tension reduces During to range of set value, constant tension winch stall.Now just into maintenance crew, it is necessary to elongation flexible train shorten to it is most short State, into next circulation.Shorten operating mode：Its afterbody（Material feeding navigation tractor）Locking is motionless, and steel truss train oil cylinder is received Rise, into walking operating mode, live axle is powered, and rearwardly direction running, promotes the flexible train of elongation to shorten successively, now, Adhesive tape relaxes, and conveyor belt tension is less than constant tension winch in setting value, storage belt storehouse frame and rotated forward,（Into motor condition）Traction trip successively Dynamic dolly, carrying roller car pull in loose adhesive tape and stored in storage belt storehouse frame, shortened to most in short-term, adhesive tape to tail direction running No longer relax, when conveyor belt tension reaches range of set value, constant tension winch stall, cassette holder is stored up in the dolly that moves about, the parking of carrying roller car Last interior carrying roller car touches limit switch, live axle power-off parking, brake locking.Stretch out oil cylinder and hold out against ground, car Take turns liftoff, leveling steel truss.Extension subordinate belt feeder is overlapped therewith, into elongation operating mode（Tunnel operating mode）.So far, automatic telescopic Belt feeder completes once automatically to extend and automatically restore to driving operating mode, goes round and begins again, until crossheading driving is finished.

This shortens operating mode and automatic telescopic belt conveyer is compressed to most short status by most long status, and complete machine is moved to tail direction A distance of stretch out and draw back is moved.It is following that this shortening operating mode is summarized as：Automatic telescopic belt conveyer automatically resets and oneself during driving Dynamic walking.

Return when stepping on operating mode, flexible train is elongated to most long, and head is overlapped with subordinate belt machine tail part, afterbody and automatic pulverizing Elevating conveyor is overlapped, and is stepped on working face drilling depth with returning and is shortened.Such as collapsing length ditto, general daily 12 to 20 meters of drilling depth, about ten After it, flexible train be reduced to it is most short, into maintenance crew.Shorten operating mode：It is fixed that steel truss train oil cylinder holds out against ground, afterbody The steel wire rope free end of unmanned steering mechanism is connected with automatic pulverizing elevating conveyor midpoint, when automatic pulverizing elevating conveyor is moved forward, Steel wire rope looseness shortens automatically, and velocity sensor is perceived after this signal, controls material feeding navigation tractor drive device to head Direction running, until, while promotion stretch train shortening synchronous with automatic pulverizing elevating conveyor,（Flexible train itself has guiding work( Energy）, now adhesive tape relaxation, conveyor belt tension is less than setting value, constant tension winch rotating forward（Operation status of motor）, the travelling car of traction. Carrying roller car is stored in adhesive tape in cassette holder to tail direction running；When flexible train is very fast, more than automatic pulverizing elevating conveyor speed When spending, velocity sensor contact reversion, material feeding navigation tractor drive device receive after this signal slow down, until with it is automatic Broken elevating conveyor is subsynchronous again.When adhesive tape storage is full in storage cassette holder, last carrying roller car touching limit switch, material feeding navigation is led Draw the power-off parking locking of car drive device, conveyor belt tension increases to setting value, constant tension winch stall.Now complete all to shorten Operating mode, into maintenance crew, it is necessary to which the automatic telescopic belt conveyer of shortening is adjusted to most long operating mode, into next circulation.Elongation Operating mode：First subordinate's belt feeder is shortened, ground grading.Automatic telescopic belt conveyer afterbody is motionless, and steel truss train oil cylinder is packed up, nothing People steering mechanism steel wire rope connection subordinate's belt machine tail part midpoint, into walking operating mode, to subordinate's belt feeder direction running, stretching The flexible train shortened, now conveyor belt tension is more than setting value, and constant tension winch is inverted, into pump work state, and move about car quilt Adhesive tape pulls to heading, and carrying roller car is drawn close automatically, storage cassette holder release adhesive tape, adhesive tape all discharge when move to it is most long, first Carrying roller car is touched adhesive tape in limit switch, the power-off of steel truss train, locking of stopping, storage cassette holder and all discharged, adhesive tape Power is reduced to setting value, constant tension winch stall therewith.Make its head and subordinate's belt feeder tail overlap joint, steel truss train has stopped Only, stretch out oil cylinder and hold out against ground, wheel lift, leveling steel truss, into shortening operating mode.So far automatic telescopic belt conveyer completes one Secondary automatic shortening and automatically restore to back and step on operating mode.Go round and begin again, until exploiting field completion.

This elongation operating mode is automatic telescopic belt conveyer by most short status elongation to most long status, and complete machine is moved to heading A distance of stretch out and draw back is moved.It is following that this elongation operating mode is summarized as：Return automatic telescopic belt conveyer when stepping on automatically reset and from Dynamic walking.

Steel truss train operating mode：1st, steel truss train driving is adopted on road surface in machine, and its irregularity degree is that three meter rulers are maximum high Poor 100 millimeters；When the 2nd, tunneling operating mode, steel truss train is travelled to tail, is oriented to, it is ensured that its straight-line travelling, made by flexible train Automatic telescopic belt conveyer returns to most short（Tunnel operating mode）, and travel a distance of stretch out and draw back to tail direction；3rd, return and step on operating mode When, steel truss train is travelled to subordinate's belt feeder, is navigated by unmanned steering mechanism, it is ensured that its straight-line travelling, is made Expansion belt conveyor Return to most long（Return and step on operating mode）, and heading travels a distance of stretch out and draw back；4th, UNICOM's oil pipe hangs all oil cylinders Compensating cylinder UNICOM, after the correspondence steel truss gun carriage load adjustment of compensating cylinder cylinder diameter, in the case of pavement roughness, steel truss is horizontal On a nearly horizontal plane, it is ensured that travelling dolly and carrying roller car normally travel

In summary, although having navigation before steel truss train, after have guiding, under the influence of pavement roughness, row Car still has snake error, and this error is due to steel truss gun carriage unbalance loading, and two resistance wheels are unequal to be caused.In this work Under condition, it is relatively difficult that this error, which is completely eliminated, but reduce this error reach application target be easier realization.Therefore steel Truss train does following arrangement in structure.Steel truss train has following feature：

1st, steel truss gun carriage frame is made up of two storage belt storehouse frames, storage belt storehouse frame coupled by multiple monolithic steel structure bolts and Into.Its main purpose is easy for underground transportation and installation；

2nd, steel truss train is hinged by steel truss gun carriage and formed, and hinged seat has three directions（Rotate up and down）Work Dynamic gap.Its main purpose is：1）, make more pressure wheel tightly face as far as possible, suffered resistance reduces snake and missed close to equal Difference, it is ensured that wheel life；2）, scattered side force, reduce wheel lateral force, it is to avoid break away；3）, gap can not be too big, meet Two above purpose, on the contrary the stationarity of train can be influenceed.

3rd, hinged seat both sides are symmetrically installed extension spring device, train is had certain rigidity, offset the side of a part of wheel To stress, the function of self centering is played, principle is with train bogie.

As shown in figure 9, the transition train, including some transition gun carriages, the transition gun carriage includes vehicle frame I34, wheel Balanced controls 3, follower shaft 15 and transition carrier roller group 35, the vehicle frame I34 middle left and right sides are installed by follower shaft 15, driven pulley Installing wheel balanced controls 3 on axle 15, transition carrier roller group 35 includes some groups of highly different transition carrier rollers, installs from high to low The left and right sides above vehicle frame I34；Some transition gun carriages are hinged with hinged seat 32 successively, the transition carrier roller on some transition gun carriages Group 35 is set from high to low successively, and the upper end left and right sides of the transition carrier roller group 35 is respectively mounted gear wheel.It is characterized in that：1st, mistake The concave arc track that idler machining has highly adapted to float formation on adhesive tape is crossed, adhesive tape is entered groove；2nd, because automatic telescopic belt conveyer is uploaded Lotus changes, and adhesive tape can be caused to wriggle, and this is wriggled shows especially prominent in concave arc-shaped section, therefore is all installed in the side of transition carrier roller group two Gear wheel；Two above feature is provided to prevent rubber belt from deviating from causing blanking, drawing the adverse consequences such as side.

As shown in Figure 7,8, the flexible train, including some retractable vehicles being hinged, the retractable vehicle include vehicle frame II36, telescopic arm 37, ball bushing 38, preceding cross-arm 39, rear cross-arm 40, wheel 41, wheel balance mechanism 3 and carrying roller 42, wheel balance mechanism 3 is welded on the vehicle frame II36 left and right sides, and wheel 41 is arranged in wheel balance mechanism 3, vehicle frame II36 The front-end and back-end left and right sides ball bushing 38 and telescopic arm 37 be set respectively, telescopic arm 37 passes through linear motion ball Bearing 38, one end shaft shoulder and ball bushing 38 of telescopic arm 37 is stuck, it is impossible to fully extended, the other end of telescopic arm 37 Preceding cross-arm 39 and rear cross-arm 40 are set respectively, and the vehicle frame II36 top left and right sides is vertically provided with carrying roller 42；One retractable vehicle Preceding cross-arm 39 and the rear cross-arm 40 of another retractable vehicle connected with bearing pin.

In automatic telescopic belt conveyer, flexible train front end is connected with transition train, rear end and material feeding navigation tractor phase Even.Travelled before and after material feeding navigation tractor, reach the flexible purpose of flexible train.It is conceivable that this train is due to no track Limitation and the influence of ground out-of-flatness, during stretching motion can into snake, but under the control of wheel balance mechanism and stage clip mechanism, When travel speed is slower, this snake is off-center can be smaller, and adjacent expansion car this offset direction on the contrary, for For automatic telescopic belt conveyer, this deviation is cancelled out each other, and the normal operation of belt feeder is not influenceed.

As shown in Figure 10,11, the material feeding navigation tractor, including unmanned steering mechanism 2, impact idler 43, buffering leakage Bucket 44, motor driving wheel axle 45, vehicle frame III46, driven steering wheel shaft 47, bend pulley 48 and counterweight 49, vehicle frame III46 tail Unmanned steering mechanism 2 is installed at end, and the lower section of unmanned steering mechanism 2 is installed below driven steering wheel shaft 47, vehicle frame III46 front end Motor driving wheel axle 45 is installed, some bufferings are installed in the vehicle frame III46 top left and right sides along vehicle frame III46 length directions interval Carrying roller 43, impact idler is used to directly support adhesive tape, impact of the material to adhesive tape and vehicle frame during buffering material feeding, impact idler 43 Surge hopper 44 is installed in top, and 44 times mouths of surge hopper install stock guide and flow controller, guide control material flow.Vehicle frame Bend pulley 48 is installed in the rear end of III46 top impact idler 43, and counterweight 49, the counterweight are installed in vehicle frame III46 front end 49 are used for increasing the normal pressure of motor driving wheel axle, motor driving wheel axle is had enough driving forces.

The operation principle of material feeding navigation tractor：Material feeding navigation tractor and the automatic pulverizing elevating conveyor of digging unit rear end （Or scraper blade elevating conveyor）Overlap joint, make that centering at the surge hopper front end 1/3rd of material feeding navigation vehicle overlaps therewith during installation is broken Broken elevating conveyor delivery end, pulls out steel wire rope and is connected with the midpoint of broken elevating conveyor.When digging unit forward-reverse, steel is pulled on Cord, velocity sensor passes to this signal after perceiving the control system of motor driving wheel axle, commands motor driving wheel axle Start, follow digging unit forward-reverse, and keep acting in agreement, when material feeding navigation vehicle, which crawls, to be swung, steel wire rope is put therewith Dynamic, this signal is passed to unmanned steering mechanism by direction sensor after perceiving, and commands unmanned steering mechanism to follow digging unit Straight-line travelling.It is primarily characterized in that：1st, straight-line travelling, acts in agreement without departing from target's center and with target；2nd, draw flexible Train stretches；3rd, because the average coal mining output of digging unit and peak value coal mining output gap are larger, surge hopper can reduce freight volume Peak value, saves system capacity and equipment manufacturing cost.

As shown in Figure 12,13,14, the wheel balance mechanism, including some oil cylinders for being symmetrically welded at vehicle frame both sides are outstanding Hang, oil cylinder suspension includes axle stand 50, fixed mount 51 and compensating cylinder 52, compensating cylinder 52 includes cylinder body 53 and piston rod 54, piston One end of bar 54 is arranged in cylinder body 53, and forms an oil pocket 55 closed with cylinder body 53, and the other end of piston rod 54 stretches out Cylinder body 53, compensating cylinder 52 is fixed on below fixed mount 51, and one end of axle stand 50 is hinged by jointed shaft A56 with fixed mount 51, Centre is hinged by jointed shaft B57 and piston rod 54；The top of compensating cylinder 52 of one of oil cylinder suspension is installed by unidirectional Fill valve 58, unidirectional Fill valve 58 is connected with the oil pocket 55 of compensating cylinder 52, and the suspension of all oil cylinders is connected by UNICOM's oil pipe 59, with manual Emulsion is pumped into oil pocket 55 by pipeline pump by unidirectional Fill valve 58, to piston rod effective length（By ground, irregularity degree is determined） Half is stretched out, wheel balance mechanism is mainly characterized by, under conditions of travel speed is less than or equal to 20m/min, ground is uneven When whole, flexible vehicle carriage level is kept, wheel stress is impartial.

The operation principle of wheel balance mechanism：1st, due to some compensating cylinders 52 UNICOM of UNICOM's oil pipe 59, linker is formed, The load undertaken during cylinder diameter correspondence rack level, if emulsion levels pressure is equal, liquid level keeps level, the nearly water of frame It is flat；2nd, retractable vehicle symmetrically makes, at level ground, and four wheel stress are impartial, i.e. emulsion levels pressure is equal, and frame is near Level, this source pressure is in retractable vehicle deadweight and contained material；When ground out-of-flatness, four wheel unbalance stress, liquid （Emulsion）The small place of pressure is always flowed to, the small wheel piston rod 54 of stress is stretched out, and the big wheel piston rod 54 of stress is received Return, until levels pressure is equal, at this moment, four wheels are not in a horizontal plane, but flexible vehicle carriage keeps nearly level.For certainly For dynamic Expansion belt conveyor, corresponding road conditions are downhole crossheadings.For general, the transverse direction of crossheading is nearly level, is longitudinally Have inclined, also there is concave arc and convex arc road surface sometimes.Under this road conditions, wheel balance mechanism can only also keep the transverse direction of train Nearly level.This can be just unlikely to completely because frame tilts and causes sideslip blanking with ensureing belt feeder.For longitudinal direction, steel Truss train is hinged by steel truss gun carriage and formed, and flexible train is hinged by retractable vehicle to be formed, and this structure both adapts to road surface Concave-convex arc, and the load change that thus energy shared brings, thus automatic telescopic belt conveyer is in the concave-convex arc change being longitudinally formed Change the concave-convex arc close to road surface to change.This concavo-convex arc radius is general all than larger, will not cause and float on adhesive tape and cause adhesive tape Sideslip.Certainly, when this concavo-convex arc radius is smaller, floats on adhesive tape so that causing and cause rubber belt from deviating, then the automatic telescopic Belt feeder can not be used, it is necessary to for design, solve the adaptation of the problem of drift is brought on adhesive tape and each train to concave-convex arc road conditions Problem.

As shown in Figure 15,16, the automatic cord winder 29 includes watt seat 75, reel 76, steel wire rope 77, axle 78 and scrollwork Scroll spring 79 and reel 76 are set with spring 79, axle 78 successively, one end and the axle 78 of scroll spring 79 are fixed, the other end and volume Cylinder 76 is fixed, and steel wire rope 77 is wrapped on reel 76, and one end and the reel 76 of steel wire rope 77 are fixed, and the other end is free end, watt Seat 75 is arranged on the two ends of axle 78.

Automatically the operation principle of cord winder 29 is：Steel wire rope 77 is compressed by scroll spring during certain external force 79, steel wire Rope 77 is drawn out, conversely, scroll spring 79 swells, steel wire rope 77 is withdrawn.The same tape measure of its operation principle.

In the utility model, automatic cord winder 29 is used for controlling the spacing of carrying roller car 22, in storage belt storehouse frame, passes through Watt seat 75 of automatic cord winder 29 is fixed on one end of carrying roller car 22, the suspension ring one end of steel wire rope 77 and another carrying roller car 22 other end is fixed, and effective extension elongation control of steel wire rope 77 is 3 meters.So carrying roller car 22 is together in series repeatedly, gone here and there The front end of carrying roller car 22 after connection is connected with bogie 30, and rear end is connected with travelling car 23, and connection method is the same.In no external force When, automatic cord winder 29 tenses carrying roller car 22, is close together.When Expansion belt conveyor extends, the car 23 that moves about is to tail row Walk, carrying roller car 22 is drawn successively and is walked, the steel wire rope 77 of first automatic cord winder 29 is drawn out, steel wire rope 77 stretches out 3 meters Afterwards, do not stretching out, next carrying roller car 22 will be drawn and walked, pulling out the steel wire rope of next automatic cord winder 29；With such Push away, when Expansion belt conveyor completes all elongations, carrying roller car 22 is all pulled open, next circulation will be entered.Conversely, telescopic belt When machine shortens, travelling car 23 is travelled to head, and steel wire rope 77 is relaxed, and scroll spring 79 swells, and steel wire rope 77 is withdrawn.With such Push away, when Expansion belt conveyor completes all to shorten, carrying roller car 22 is all drawn close, and will enter next circulation.Automatic cord winder 29 It can ensure that some spacing of carrying roller car 22 are not more than 3 meters of the length of steel wire rope 77, solve carrying roller car 22 and freely walk, carrying roller spacing Too big difficult in maintenance the problem of.

As shown in Figure 17,18, the unmanned steering mechanism 2, including it is automatic cord winder 29, servo deceleration motor 60, solid Determine frame 61, rolling pressure bearing I 62, turntable mounting 63, stud 64, steel bushing 65, dust-break set 66, little gear 67, arc-shaped rack 68th, steering wheel shaft 69, rolling pressure bearing I I70, dust washer 71, jam plate 72, direction sensor 73 and velocity sensor 74, Rolling pressure bearing I 62, dust-break set 66, steel bushing 65, rolling pressure bearing I I70 are installed in the center base of turntable mounting 63 and prevented Dirt packing ring 71, the top of steel bushing 65 passes fixed mount 61, and installs jam plate 72, the two ends of stud 64 on the top of steel bushing 65 It is each passed through the centre that turntable mounting 63 is fixed on fixed mount 61 by the circular hole in the middle of turntable mounting 63 and jam plate 72, a left side for turntable mounting 63 Arc-shaped rack 68 is installed on side, and the little gear 67 being meshed with arc-shaped rack 68 is installed on the left side of fixed mount 61, little gear 67 it is upper End is installed and installs steering wheel shaft 69 in the middle of servo deceleration motor 60, the lower section of turntable mounting 63, and steering wheel shaft 69 passes through chock and U-shaped The centre of turntable mounting 63 is bolted to, the right and left extension spring device of turntable mounting 63 couples with fixed mount 61, fixed mount 61 Front end is installed by installation direction sensor 73 and velocity sensor 74 on automatic cord winder 29, automatic cord winder 29.

The major function of the unmanned steering mechanism 2 is that unmanned steering mechanism 2 is arranged on navigation vehicle front end, is closely followed Target travel and and object synchronization, realize unmanned.

The operation principle of unmanned steering mechanism：Unmanned steering mechanism 2 is arranged on navigation vehicle front end, pulls out steel wire rope 77 and mesh Mark midpoint connection.When target forward-reverse, steel wire rope 77 is pulled on, velocity sensor 74 passes to this signal after perceiving The control system of navigation vehicle motor driving wheel axle, commander's navigation vehicle motor driving wheel axle starts, and follows target forward-reverse, when leading When the vehicle speed that navigates exceedes target velocity, the reversion of the contact pulley of velocity sensor 74, and this signal is passed into navigation vehicle motor The control system of live axle, navigation vehicle slows down, until subsynchronous again with target.When navigation vehicle deviates traffic direction, steel wire Rope 77 is swung therewith, and this signal is passed to unmanned steering mechanism's control system by direction sensor 73 after perceiving, and commands nobody Navigation vehicle travel direction is corrected by steering mechanism, follows driving unit traveling.

Preparation before assembling and use of the present utility model：The first step, successively arranges steel truss with hinged seat, compression-spring device Car, concave arc transition train, flexible train and material feeding navigation tractor are connected；Second step, winds according to the adhesive tape in Figure 19 Mode penetrates adhesive tape, and tape splice can use vulcanized joint；3rd step, successively each cable（Including input cable, walking electricity Cable, actuator cable, steering cable, winch cable, pumping plant cable, control cable and host cable）Suspension is fixed on train side, Motor and electric control box are first connected, then is accessed from locomotivity station, is switched on power；4th step, is adjusted again（Increase and decrease）Equilibrium oil Cylinder emulsion liquid level, makes adhesive tape all enter groove；5th step, debugs Electric Machine at Pumping Station, oil cylinder, main motor, winch motor, belt successively Machine, steering motor, movable motor comes into operation after whole is normal.

The beneficial effects of the utility model：

1. the rear and front end of automatic telescopic belt conveyer of the present utility model is provided with unmanned steering mechanism, unmanned to turn to Mechanism closely follows target, and the flexible train automatic running of commander's material feeding navigation tractor traction keeps and object synchronization, realized Automatic telescopic, without artificial footman's operation；Steel truss train automatic running is commanded, keeps consistent with target, realization automatically resets And automatically walk, efficient and convenient and saving is manually.

2. live axle and follower shaft are provided with below automatic telescopic belt conveyer of the present utility model, can be on road surface Upper walking, in addition, being provided with wheel balance mechanism at wheel, it is ensured that during pavement roughness, although wheel is not at one On horizontal plane, but vehicle frame laterally retains nearly level, so that can ensure adhesive tape not sideslip blanking in loading chute, in movement During move about car and carrying roller car normally run, so as to realize automatic telescopic and automatically reset.

3. it is connected between the carrying roller car in the utility model using automatic cord winder, and in automatic cord winder The length of steel wire rope is arranged as required to as regular length, it is ensured that the spacing of some carrying roller cars is not more than the length of steel wire rope, Efficiently solve carrying roller car freely to walk, the problem of carrying roller spacing is too big difficult in maintenance, while reaching the increase of storage cassette holder space, increases Plus the purpose of storage strip length.

4. hinged seat both sides are symmetrically installed extension spring device, make train that there is certain rigidity, offset the side of a part of wheel To stress, the stationarity of train is added and the middle function that becomes.

5. the flexible train in the utility model can be with automatic telescopic, storage cassette holder space is larger, can be according to the class of underground two Driving yardstick determine collapsing length, extension or shorten frame without manually joining a regular shift or class so as to realize.

6. due to steel truss train be higher by than flexible train it is more, two cars series connection after penetrate adhesive tape, certainly will cause on adhesive tape Drift, departs from idler machining, and adhesive tape departs from the restriction meeting sideslip blanking of carrying roller, and the utility model passes through in steel truss train and flexible row The concave arc track that the transition carrier roller group on a transition train, transition train has highly adapted to float formation on adhesive tape is designed between car, Adhesive tape is entered groove, efficiently solve and floated on adhesive tape, depart from idler machining, cause the technical problem of sideslip blanking.

7th, realize after automatic telescopic, adhesive tape need not be changed under conditions of adhesive tape is not damaged, can work continuously；

8th, fixed point overlap joint is realized, the technical requirements and its cost and operation cost to next stage belt feeder are reduced.Turning In loading system, automatic telescopic belt conveyer is applied to the second transshipmenting tache, not only instead of existing reprinting equipment, and do not requiring Subordinate's belt feeder stretches.

9th, it is short with overlap distance before and after neighbouring device（No more than 3m）, left and right spacing distance is big, but appearance and size it is thin, long, It is narrow, short, neither interfere during operation with miscellaneous equipment, be easy to safeguard again.

10th, afterbody sets surge hopper, reduces freight volume peak value, has saved the power of subordinate's transporting equipment, has been manufactured into Sheet and operation cost.

In summary, the application of automatic telescopic belt conveyer, will increase system production efficiency, reduce production cost, thoroughly solution Certainly difficult problem is reprinted in system.

Claims (9)

1. a kind of automatic telescopic belt conveyer, it is characterised in that：Including steel truss train, transition train（84）, flexible train（85）、 Material feeding navigation tractor（83）And adhesive tape（80）, steel truss train, transition train（84）, flexible train（85）, material feeding navigation lead Draw car（83）Hinged seat is used successively（32）And compression-spring device（33）It is hinged, compression-spring device（33）It is symmetricly set on hinged seat（32） The left and right sides；The steel truss train includes navigation head（81）With some steel truss gun carriages（82）, some steel truss gun carriages （82）Between and end steel truss gun carriage（82）With navigation head（81）Between use hinged seat（32）And compression-spring device （33）It is hinged, compression-spring device（33）It is symmetricly set on hinged seat（32）The left and right sides, navigate head（81）Front end and material feeding Navigate tractor（83）Tail end be respectively mounted unmanned steering mechanism（2）, navigate head（81）, steel truss gun carriage（82）, transition Train（84）, flexible train（85）With material feeding navigation tractor（83）Wheel balance mechanism is respectively mounted at lower wheel（3）, Suo Youche Take turns balanced controls（3）Pass through UNICOM's oil pipe（59）UNICOM, the adhesive tape（80）Installed in steel truss train, transition train（84）、 Flexible train（85）With material feeding navigation tractor（83）On.

2. a kind of automatic telescopic belt conveyer according to claim 1, it is characterised in that：The steel truss gun carriage includes steel truss Frame, support cylinder（14）, live axle（4）, follower shaft（15）With wheel balance mechanism（3）, the steel truss is by two section storages Belt storehouse frame（16）Pass through train wheel bridge（17）With side clamping plate（18）It is formed by connecting, the left and right sides difference of rear and front end below steel truss One support cylinder is installed（14）, the steel truss centre left and right sides is respectively mounted live axle（4）Or follower shaft（15）, driving Wheel shaft（4）Or follower shaft（15）On be respectively mounted wheel balance mechanism（3）, store up belt storehouse frame（16）Inside set gradually from the front to the back Electric control box（19）, bend pulley A（20）, bend pulley B（21）, some carrying roller cars（22）, travelling car（23）, front wheel group （24）, rear wheel group（25）, constant tension winch（26）, directive wheel（27）And pumping station system（28）, some carrying roller cars（22）Successively Pass through automatic cord winder respectively（29）It is together in series, the carrying roller car after series connection（22）Front end with storage belt storehouse frame（16）Steering Frame（30）It is connected, the carrying roller car after series connection（22）Rear end and travelling car（23）It is connected, the left and right sides is along steel truss above steel truss Frame length direction interval is installed by some pop-up roller groups（31）.

3. a kind of automatic telescopic belt conveyer according to claim 1, it is characterised in that：The navigation head, including head frame （1）, unmanned steering mechanism（2）, wheel balance mechanism（3）, live axle（4）, speed-reducing drums（5）, gear-box（6）, fluid power coupling Clutch（7）, motor（8）, unloading rack（9）, idler machining（10）, head deflector chute（11）, unloading roller（12）And head cleaner （13）, head frame（1）Front end unmanned steering mechanism is installed（2）With wheel balance mechanism（3）, head frame（1）Rear end installing wheel Balanced controls（3）And live axle（4）, head frame（1）Inside is installed by speed-reducing drums（5）, fluid coupling（7）And motor（8）, head Frame（1）Side install gear-box（6）, gear-box（6）One end and speed-reducing drums（5）One end of shaftless bearing is connected, gear Case（6）The other end and fluid coupling（7）One end be connected, fluid coupling（7）The other end and motor（8）Drive shaft It is connected, head frame（1）Top install unloading rack（9）, unloading rack（9）The top left and right sides is along unloading rack（9）Length direction between Every some idler machinings of installation（10）, unloading rack（9）Pop-up roller group（10）Front securement head deflector chute successively（11）, unloading rolling Cylinder（12）And head cleaner（13）.

4. a kind of automatic telescopic belt conveyer according to claim 1, it is characterised in that：Transition train, including some transition Gun carriage, the transition gun carriage includes vehicle frame I（34）, wheel balance mechanism（3）, follower shaft（15）With transition carrier roller group（35）, Vehicle frame I（34）The middle left and right sides install follower shaft（15）, follower shaft（15）Upper installing wheel balanced controls（3）, mistake Cross idler machining（35）Including some groups of highly different transition carrier rollers, from high to low installed in vehicle frame I（34）The top left and right sides； Some transition gun carriages use hinged seat successively（32）It is hinged, the transition carrier roller group on some transition gun carriages（35）Set from high to low successively Put.

5. a kind of automatic telescopic belt conveyer according to claim 1, it is characterised in that：The flexible train, including it is some The retractable vehicle being hinged, the retractable vehicle includes vehicle frame II（36）, telescopic arm（37）, ball bushing（38）, preceding horizontal stroke Load（39）, rear cross-arm（40）, wheel（41）, wheel balance mechanism（3）And carrying roller（42）, wheel balance mechanism（3）It is welded on car Frame II（36）The left and right sides, wheel（41）Installed in wheel balance mechanism（3）On, vehicle frame II（36）Front-end and back-end or so Both sides set ball bushing respectively（38）And telescopic arm（37）, telescopic arm（37）Through ball bushing（38）, Telescopic arm（37）One end shaft shoulder and ball bushing（38）It is stuck, it is impossible to fully extended, telescopic arm（37）The other end Cross-arm before setting respectively（39）With rear cross-arm（40）, vehicle frame II（36）The top left and right sides carrying roller is vertically installed（42）；One The preceding cross-arm of platform retractable vehicle（39）With the rear cross-arm of another retractable vehicle（40）Connected with bearing pin.

6. a kind of automatic telescopic belt conveyer according to claim 1, it is characterised in that：The material feeding navigation tractor, bag Include unmanned steering mechanism（2）, impact idler（43）, surge hopper（44）, motor driving wheel axle（45）, vehicle frame III（46）, it is driven Steering wheel shaft（47）, bend pulley（48）And counterweight（49）, vehicle frame III（46）Tail end unmanned steering mechanism is installed（2）, nobody Steering mechanism（2）Lower section driven steering wheel shaft is installed（47）, vehicle frame III（46）Front end below install motor driving wheel axle （45）, vehicle frame III（46）The top left and right sides along vehicle frame III（46）Length direction interval is installed by some impact idlers（43）, Impact idler（43）Top install surge hopper（44）, vehicle frame III（46）Top impact idler（43）Rear end install change To roller（48）, vehicle frame III（46）Front end install counterweight（49）.

7. a kind of automatic telescopic belt conveyer according to claim any one of 1-6, it is characterised in that：The wheel balancer Structure, including some oil cylinder suspensions for being symmetrically welded at vehicle frame both sides, oil cylinder suspension include axle stand（50）, fixed mount（51）Peace Weigh cylinder（52）, compensating cylinder（52）Including cylinder body（53）And piston rod（54）, piston rod（54）One end be arranged on cylinder body（53）It is interior, And and cylinder body（53）Form the oil pocket of a closing（55）, piston rod（54）The other end stretch out cylinder body（53）, compensating cylinder（52） It is fixed on fixed mount（51）Below, axle stand（50）One end pass through jointed shaft A（56）With fixed mount（51）It is hinged, centre passes through Jointed shaft B（57）And piston rod（54）It is hinged；The compensating cylinder of one of oil cylinder suspension（52）Top is installed by unidirectional Fill valve （58）, unidirectional Fill valve（58）With compensating cylinder（52）Oil pocket（55）It is connected, all oil cylinder suspensions pass through UNICOM's oil pipe（59） Connection.

8. a kind of automatic telescopic belt conveyer according to claim any one of 1-6, it is characterised in that：The unmanned steering machine Structure（2）, including automatic cord winder（29）, servo deceleration motor（60）, fixed mount（61）, rolling pressure bearing I（62）, rotating disk Frame（63）, stud（64）, steel bushing（65）, dust-break set（66）, little gear（67）, arc-shaped rack（68）, steering wheel shaft（69）、 Rolling pressure bearing I I（70）, dust washer（71）, jam plate（72）, direction sensor（73）And velocity sensor（74）, rotating disk Frame（63）Center base in install rolling pressure bearing I（62）, dust-break set（66）, steel bushing（65）, rolling pressure bearing I I （70）And dust washer（71）, steel bushing（65）Top pass fixed mount（61）, and in steel bushing（65）Top install jam plate （72）, stud（64）Two ends be each passed through turntable mounting（63）And jam plate（72）Middle circular hole is by turntable mounting（63）It is fixed In fixed mount（61）Centre, turntable mounting（63）The left side install arc-shaped rack（68）, fixed mount（61）The left side install and arc Shape rack（68）The little gear being meshed（67）, little gear（67）Upper end install servo deceleration motor（60）, turntable mounting（63） Lower section in the middle of install steering wheel shaft（69）, fixed mount（61）Front end automatic cord winder is installed（29）, automatic cord winder （29）Upper installation direction sensor（73）And velocity sensor（74）.

9. a kind of automatic telescopic belt conveyer according to claim any one of 2-6, it is characterised in that：The automatic serving dress Put（29）Including a watt seat（75）, reel（76）, steel wire rope（77）, axle（78）And scroll spring（79）, axle（78）On be set with successively Scroll spring（79）And reel（76）, scroll spring（79）One end and axle（78）It is fixed, the other end and reel（76）It is fixed, steel Cord（77）It is wrapped in reel（76）On, steel wire rope（77）One end and reel（76）Fixed, the other end is free end, watt seat （75）It is arranged on axle（78）Two ends.