CN104973395A - Conveyer belt offset-adjusting tensioning movable trolley for belt conveyor - Google Patents
Conveyer belt offset-adjusting tensioning movable trolley for belt conveyor Download PDFInfo
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- CN104973395A CN104973395A CN201510398856.3A CN201510398856A CN104973395A CN 104973395 A CN104973395 A CN 104973395A CN 201510398856 A CN201510398856 A CN 201510398856A CN 104973395 A CN104973395 A CN 104973395A
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- tensioning
- hydraulic ram
- tuningout
- hydraulic
- dolly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
- B65G39/16—Arrangements of rollers mounted on framework for aligning belts or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A conveyer belt offset-adjusting tensioning movable trolley for a belt conveyor comprises an offset-adjusting tensioning movable trolley and an offset-adjusting tensioning hydraulic control system, wherein a movable trolley frame is supported by four trolley wheels on a guide rail plane; a conveyer belt steering roller is fixed on the trolley frame via a bearing seat; and a cross beam and an offset-adjusting device having oil cylinders and a floating clamping paw are installed and fixed between front and back end two main side plates of the trolley frame. According to concrete offset conditions of the conveyer belt, retraction of four oil cylinders can be coordinately controlled by the hydraulic control system; and during the operation, offset-adjusting tension can be conducted to teh conveyer belt via adjustments of steering rolling drift angles and the tensioning trolley.
Description
Technical field
The present invention relates to the tensioning of a kind of belt of belt conveyor tuningout to move about dolly, particularly to move about a dolly for the tuningout tensioning of coal mine fully-mechanized mining working gate trough-belt conveyer load-transfer device, for the hydraulic control belt conveyer tuningout tensioning floating device of the many dust of underground coal mine, moist harsh environments.
Technical background
Belt conveyer is extremely important main equipment indispensable in underground coal mine coal production, and particularly carry bandwidth at 1200cm, operational throughput position is at 1600t/h, and belt speed is at 300cm/s, and fed distance especially seems very important at the belt conveyer of 1000m.But for the belt conveyer of this wide load-transfer device, large-tonnage, long distance in long continuously operational process, aging due to load-transfer device, the accumulation of material is uneven, the reasons such as the wearing and tearing of mechanical device, inevitably cause skidding, deviation phenomenon, skidding can make cylinder and load-transfer device contact friction, and temperature raises, and adhesive tape ignites; Sideslip can make to spread outside material, reduces conveying efficiency, and the wearing and tearing heating of load-transfer device corner, even causes fire, have a strong impact on the safety in production of mine.Therefore, when skidding, sideslip appear in belt conveyer in operational process, if having corresponding tensioning deviation correcting device to adjust the running state of belt conveyer, effectively can avoid the generation of above-mentioned accident, ensure that Safety of Coal Mine Production is runed in order.
The tuningout tension structure of existing Belt Conveyors Underground Coal Mine load-transfer device is mainly provided with screw thread adjusting deviation device to finely tune bend pulley stagger angle in storage belting frame, when belt deflection, the bearing seat of bend pulley is under the effect of screw thread adjusting deviation device, there is relative movement in both sides, make cylinder produce the small angle deflection of 2 ° ~ 4 °, carry out manual deviation rectification when the unloaded slow running of load-transfer device.This device is under the moist working environment in down-hole, and screw thread very easily becomes rusty dead and causes disabler, simultaneously along with the running of the long distance of high speed of belt conveyer, solid accumulation are uneven, usually causes the overall sideslip of load-transfer device.
Existing publication number is the patent of invention of CN101481042A disclosed a kind of " screw rod skid shoe type conveying belt tensioning and deviation correcting device "; Publication number is the patent of invention of CN1962218A disclosed a kind of " belt tension and tuningout device and using method thereof "; Publication number is the patent of invention of CN102530490A disclosed " a kind of three functional belt conveyor tensioning devices "; Prior art disclosed in these be not suitable for the wide load-transfer device of underground coal mine, large-tonnage, long distance belt conveyer carry out rectifying a deviation and tensioning, yet there are no the belt conveyer belt deviation rectifying tightening device about wide load-transfer device, large-tonnage, long distance.
Summary of the invention
The concrete technical problems that the present invention will solve is at 1200cm for existing conveying bandwidth, operational throughput position is at 1600t/h, belt speed is at 300cm/s, it is large that fed distance carries out artificial mechanism tuningout difficulty at the load-transfer device of the belt conveyer of 1000m, efficiency is low, when belt conveyer is in operation, the problem of the tensioning tuningout of the long-term maintenance belt conveyer of actv. cannot be carried out, and then provide the tensioning of a kind of belt of belt conveyor tuningout to move about dolly.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme.
The tensioning of a kind of belt of belt conveyor tuningout is moved about dolly, comprise tuningout tensioning to move about dolly and tuningout tensioning hydraulic control system thereof, for carrying bandwidth at more than 1200cm, operational throughput position is at more than 1600t/h, belt speed is at more than 300cm/s, and fed distance is at the belt conveyer of 1000m; It is characterized in that:
Described tuningout tensioning is moved about dolly, comprises bend pulley, tensioning trolley frame, installs crossbeam, wheel, trolley track, floating claw, oil cylinder positioning plate, the first hydraulic ram, the second hydraulic oil, the 3rd hydraulic ram and the 4th hydraulic ram;
Wherein: the tuningout tensioning dolly that moves about is the afterbody being arranged at belt of belt conveyor, and be placed on two ground guide rails by four wheels and move in parallel, tensioning trolley frame is fixed with bend pulley by bearing seat roll with load-transfer device operation, two crossbeam is installed and is installed on vehicle frame front end and vehicle frame rear end respectively, and be in same level with four wheels, four oil cylinders in pairs, and be fixed on former and later two installation crossbeams respectively by bearing pin, four oil cylinder positioning plates are fixed on former and later two installation crossbeam upper limit liquefaction cylinders and depart from jacking action plane due to deadweight, pinned connection is passed through in four floating claws and the female joint of oil cylinder push rod, when with two ground guide rail contact, four V-type floating claws make oil cylinder push rod axis automatically find accurately and plane on the ground guide rail that aligns, first hydraulic ram, second hydraulic ram, 3rd hydraulic ram and the 4th hydraulic ram four oil cylinder connection control system regulate tensioning dolly and turn to rolling drift angle, the tuningout tensioning to load-transfer device is realized in operational process,
Described tuningout tensioning hydraulic control system, comprises air filter, oil absorption filter, fire proof motor, oil pump, the first change-over valve, the second change-over valve, the first check valve, the second check valve, the first pilot operated directional control valve, the second pilot operated directional control valve, the first hydraulic lock, the second hydraulic lock, the 3rd hydraulic lock, the first hydraulic ram, the second hydraulic ram, the 3rd hydraulic ram, the 4th hydraulic ram and fuel tank;
Wherein: fire proof motor drives operation of oil pump, oil pump is by after oil absorption filter oil suction, the first hydraulic ram, the second hydraulic ram, the 3rd hydraulic ram and the 4th hydraulic ram is delivered to by the first change-over valve, the second change-over valve, the first check valve, the second check valve, the first pilot operated directional control valve, the second pilot operated directional control valve, the first hydraulic lock, the second hydraulic lock, the 3rd hydraulic lock, each oil cylinder is by the first change-over valve and the second change-over valve maneuvering and control, when fire proof motor quits work, system automatic pressure-maintaining locks.
In technique scheme, further technical characteristic is as follows.
The move about tuningout angle of dolly of described tuningout tensioning is 3 ° ~ 5 °.
The move about tuningout speed that moves in parallel of dolly of described tuningout tensioning is 2 cm/min ~ 4cm/min.
The described tuningout tensioning dolly that moves about is positioned at storage belting place apart from belt of belt conveyor afterbody 2000cm.
The move about hydraulic bias adjusting operation pressure of dolly of described tuningout tensioning is 6MPa ~ 10MPa.
The move about tuningout tensioning method of dolly of described tuningout tensioning is hydraulic lifting oil cylinder before and after four wheels by being arranged on tensioning trolley frame, act on trolley track medial surface, the sideslip situation different according to load-transfer device, regulate the functional orientation of oil cylinder, corresponding torque is formed to vehicle frame entirety, and make itself and running direction of conveyor belt form small angle deflection, in load-transfer device operational process, correct the deviation phenomenon of load-transfer device gradually, regulator solution Ore-controlling Role, regain oil cylinder, eliminate the interference that rigid contact produces, recover belt conveyer and normally run required constant tension.
A kind of belt of belt conveyor tuningout tensioning that the invention described above provides is moved about the technical scheme of dolly, overcome the deficiency of existing belt conveyer tuningout tension structure, particularly at the many and moist severe working environment of coal mine down-hole tunnel coal dust, the tuningout tensioning function to belt of belt conveyor can be maintained long-term effectively, ensure that the smooth operation of belt conveyer.
Existing deficiency of manually carrying out tuningout abandoned by this tuningout tensioning dolly that moves about; especially have employed the mode of hydraulic control system; significantly reduce the labour intensity of field man; and it is easy and simple to handle; under the state can run at belt conveyer; realize the tuningout tensioning to load-transfer device, avoid the loss of shutting down and carrying out tuningout tensioning and causing, ensure that the normal operation of production.
Proved by the tuningout tensioning test belt conveyer run being carried out to load-transfer device, when oil cylinder selects model to be HSG63/35-150, the setting operation pressure of hydraulic efficiency pressure system is 8MPa, the conveying bandwidth that this device can be commonly used downhole crossheading is at 1200cm, operational throughput position is at 1600t/h, belt speed is at 300cm/s, and fed distance carries out correction tensioning at the belt conveyer belt of 1000m, and achieves unforeseeable effect.
Accompanying drawing explanation
Fig. 1 is that load-transfer device tuningout of the present invention tensioning is moved about the main TV structure schematic diagram of dolly.
Fig. 2 is that load-transfer device tuningout of the present invention tensioning is moved about the left TV structure schematic diagram of dolly.
Fig. 3 is that load-transfer device tuningout of the present invention tensioning is moved about the hydraulic structure System Working Principle figure of dolly.
In figure: 1: bend pulley; 2: tensioning trolley frame; 3: crossbeam is installed; 4: wheel; 5: trolley track; 6: floating claw; 7: oil cylinder positioning plate; 8: liquidometer; 9: air filter; 10: oil absorption filter; 11: fire proof motor; 12: oil pump; 13: safety valve; 14: the first change-over valves; 15: second-hand is to valve; 16: the first check valves; 17: the second check valves; 18: the first pilot operated directional control valves; 19: the second pilot operated directional control valves; 20: the first hydraulic lock; 21: the second hydraulic lock; 22: the three hydraulic lock; 23: the first oil cylinders; 24: the second oil cylinders; 25: the three oil cylinders; 26: the four oil cylinders; 27: fuel tank.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further detailed.
Implement above-mentioned the provided a kind of belt of belt conveyor tuningout tensioning of the present invention to move about dolly, this tuningout tensioning dolly that moves about is controlled by tuningout tensioning hydraulic control system, and for carrying bandwidth at more than 1200cm in coal mine down-hole tunnel, operational throughput position is at more than 1600t/h, belt speed is at 300cm/s, and fed distance is at the belt conveyer of 1000m; Its main composition relation is as follows:
The described tuningout tensioning dolly that moves about mainly comprises bend pulley 1, tensioning trolley frame 2, installs crossbeam 3, four trundles 4, two trolley tracks 5, four floating claws 6, four oil cylinder positioning plate 7, first hydraulic ram 23, second hydraulic rams 24, the 3rd hydraulic ram 25 and the 4th hydraulic rams 26.
Wherein: the tuningout tensioning dolly that moves about is arranged at the afterbody of belt of belt conveyor, preferably arranges at the storage belting place of distance load-transfer device afterbody 2000cm.The tuningout tensioning dolly that moves about is placed on two ground guide rails 5 by four wheels 4, and can move in parallel.Tensioning trolley frame 2 is fixed with bend pulley 1 by bearing seat, can runs with load-transfer device and roll, be provided with two installation crossbeams 3 and be arranged on vehicle frame front end and vehicle frame rear end respectively, and be in same level with four wheels 4.Four oil cylinders are installed and corresponding setting between two, and are fixed on front installation crossbeam 3 and rear installation crossbeam 3 respectively by bearing pin.Four oil cylinder positioning plates 7 are fixed on former and later two to be installed on crossbeam 3, carries out restriction oil cylinder and departs from jacking action plane due to deadweight.Four floating claws 6 and the female joint of four oil cylinder push rods are by pinned connection, and when contacting with two ground guide rails 5, four V-type floating claws 6 can make oil cylinder push rod axis automatically find accurately and plane on the ground guide rail 5 that aligns.First hydraulic ram 23, second hydraulic ram 24, the 3rd hydraulic ram 25 and the 4th hydraulic ram 26 4 oil cylinders are connected tuningout tensioning hydraulic control system for what regulate tensioning dolly and turn to rolling drift angle, realize the tuningout tensioning to load-transfer device in operational process.
Described tuningout tensioning hydraulic control system mainly comprises air filter 9, oil absorption filter 10, fire proof motor 11, oil pump 12, first change-over valve 14, second change-over valve 15, first check valve 16, second check valve 17, first pilot operated directional control valve 18, second pilot operated directional control valve 19, first hydraulic lock 20, second hydraulic lock 21, the 3rd hydraulic lock 22, first hydraulic ram 23, second hydraulic ram 24, the 3rd hydraulic ram 25, the 4th hydraulic ram 26 and fuel tank 27.
Wherein: fire proof motor 11 drives oil pump 12 to work, oil pump 12 is by after oil absorption filter 10 oil suction, by the first change-over valve 14, second change-over valve 15, first check valve 16, second check valve 17, first pilot operated directional control valve 18, second pilot operated directional control valve 19, first hydraulic lock 20, second hydraulic lock 21, 3rd hydraulic lock 22, be transported to the first hydraulic ram 23, second hydraulic ram 24, 3rd hydraulic ram 25 and the 4th hydraulic ram 26, each oil cylinder is by the first change-over valve 15 and the second change-over valve 16 maneuvering and control, when fire proof motor 11 quits work, system automatic pressure-maintaining locks.
In above-mentioned detailed description of the invention, the move about tuningout angular range of dolly of tuningout tensioning is 3 ° ~ 5 °.
In above-mentioned detailed description of the invention, the move about tuningout speed range that moves in parallel of dolly of tuningout tensioning is 2 cm/min ~ 4cm/min, and hydraulic bias adjusting working pressure range is 6MPa ~ 10MPa.
If carry bandwidth at more than 1200cm in coal mine down-hole tunnel, operational throughput position is at more than 1600t/h, and belt speed is at 300cm/s, and fed distance is at the belt conveyer of 1000m; Tuningout tensioning is moved about the tuningout speed that moves in parallel preferably 2 cm/min of dolly, hydraulic bias adjusting operation pressure preferably 8MPa.
The method of above-mentioned belt of belt conveyor tuningout tensioning is as follows.
When before belt conveyer starting up, connecting fire proof motor 11 power supply drives oil pump 12 to work, oil pump 12 is by after oil absorption filter 10 oil suction, open the first change-over valve 14 to the right, realize the left position function of the first change-over valve 14, pressure oil passes into front end first hydraulic ram 23 respectively, front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24, the rodless cavity of rear end the 3rd hydraulic ram 25, now front end first hydraulic ram 23, 4th hydraulic ram 26 and rear end second hydraulic ram 24, the push rod of the 3rd hydraulic ram 25 extends out to the inner side of trolley track 5, fixed tensioning trolley frame 2, maintain the starting stationarity of belt conveyer,
When belt conveyer enters normal operation, open the first change-over valve 14 left, realize the right position function of the first change-over valve 14, pressure oil passes into the rod chamber of front end first hydraulic ram 23, front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24, rear end the 3rd hydraulic ram 25 respectively, regain the push rod of front end first hydraulic ram 23, front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24, rear end the 3rd hydraulic ram 25, and the reserved working clearance, maintain the tensile force of load-transfer device;
When belt of belt conveyor occur left sideslip time, open first segment change-over valve 14 and second section change-over valve 15 to the right simultaneously, realize the left position function of first segment change-over valve 14 and second section change-over valve 15, first pilot operated directional control valve 18 and the second pilot operated directional control valve 19 be stressed oil control, spool extends to the right and realizes left position function, now the rodless cavity of front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24 passes into pressure oil respectively, push rod stretches out, the rodless cavity of front end first hydraulic ram 23 and rear end the 3rd hydraulic ram 25 passes into pressure oil simultaneously, push rod shrinks, after push rod is applied to trolley track 5 medial surface, corresponding antagonistic force passes through oil cylinder, bearing pin, installation crossbeam passes on tensioning trolley frame 2 and forms clockwise torque, make tensioning trolley frame 2 steadily slowly realize low-angle to be biased, corresponding angle is formed to the service direction of load-transfer device, realize the correction to load-transfer device,
When load-transfer device gets back to bend pulley 1 middle position, open first segment change-over valve 14 and second section change-over valve 15 left simultaneously, realize the right position function of first segment change-over valve 14 and second section change-over valve 15, first pilot operated directional control valve 18 and the second pilot operated directional control valve 19 be not stressed oil control, spool extension left under the effect of built-in spring tension realizes right position function, pressure oil passes into front end first hydraulic ram 23 respectively, front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24, the rod chamber of rear end the 3rd hydraulic ram 25, regain front end first hydraulic ram 23, front end the 4th hydraulic ram 26 and rear end second hydraulic ram 24, the push rod of rear end the 3rd hydraulic ram 25, recover the normal tensioning state of travelling dolly,
When load-transfer device to the right sideslip time hydraulic control system control method identical.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made further detailed description.
As described in accompanying drawing 1 and accompanying drawing 2, implement above-mentioned the provided a kind of belt of belt conveyor tuningout tensioning of the present invention to move about dolly, this tuningout tensioning dolly that moves about mainly comprises bend pulley 1, tensioning trolley frame 2, two installs crossbeam 3, four trundles 4, article two, trolley track 5, four floating claws, 6, four oil cylinder positioning plates, 7, four tuningout tensioning hydraulic rams 23,24,25,26.
Wherein: tensioning dolly is placed on two guide rails 5 on ground by four wheels 4, tensioning dolly can move on orbit plane, arrange at the afterbody of load-transfer device and bend pulley 1 is installed, and be fixed on tensioning trolley frame 2 by bearing seat, run with load-transfer device and roll, in operational process, to load-transfer device, there is tension.Two the front-end and back-end that crossbeam 3 is installed on vehicle frame are respectively installed, and four wheels 4 are in same level.Four tuningout tensioning hydraulic rams 23,24,25,26 are made up of cylinder body, piston, orienting sleeve, hole Y circle, axle Y circle, piston rod, and in pairs and corresponding, respectively by pinned connection on front installation crossbeam 3 and rear installation crossbeam 3, four oil cylinder positioning plates 7 mainly limit oil cylinder and depart from jacking action plane due to deadweight.
As described in accompanying drawing 3, this tuningout moves about the hydraulic control system of a set of many locking many intersections cross complaints of tensioning volume the car design, mainly comprises liquidometer 8, air filter 9, oil absorption filter 10, fire proof motor 11, oil pump 12, safety valve 13, first change-over valve 14, second change-over valve 15, first check valve 16, second check valve 17, first pilot operated directional control valve 18, second pilot operated directional control valve 19, first hydraulic lock 20, second hydraulic lock 21,3rd hydraulic lock 22, first hydraulic ram 23, second hydraulic ram the 24, three hydraulic ram the 25, four hydraulic ram 26.
When fire proof motor 11 works, oil pump 12 is driven to work by coupler, oil pump 12 is by oil absorption filter 10 oil suction, by the first hydraulic directional control valve 16, second hydraulic directional control valve 17 and the first hydraulic lock 20, second hydraulic lock 21, the 3rd hydraulic lock 22 are transported to the first hydraulic ram 23, second hydraulic ram 24, the 3rd hydraulic ram 25, the 4th hydraulic ram 26, and the action of each hydraulic ram is controlled by the first change-over valve 14, second change-over valve 15 joystick.When fire proof motor 11 quits work, system automatic pressure-maintaining locks.
When before belt conveyer starting up, connect pumping plant power supply, the first hand change over valve 14 joystick is got to the right, realize its left position function, now four oil cylinder push rods stretch out all outward, until withstand inside track, can effectively prevent belt conveyer from horizontal concussion occurring because of impact load; When belt conveyer enters normal operation, the first change-over valve 15 is got to the left side, regain each oil cylinder push rod, reserve the suitable working clearance, maintain the tensile force of load-transfer device.
In long-play process, due to load-transfer device distortion, the factors such as load is uneven, can there is sideslip in the load-transfer device of belt conveyer.When find belt of belt conveyor occur left sideslip time, the first hand change over valve 15, second hand change over valve 16 can be regulated to the right, realize the right position function of two change-over valves simultaneously, first pilot operated directional control valve 18, second pilot operated directional control valve 19 be stressed oil control, spool all moves right, realize right position function, now the rodless cavity of the second hydraulic ram 24, the 4th hydraulic ram 26 passes into pressure oil respectively, push rod is all overhanging, the rodless cavity of the first hydraulic ram 23, the 3rd hydraulic ram 25 passes into pressure oil simultaneously, and push rod shrinks.After push rod is applied to guide rail side, corresponding antagonistic force passes on dolly support body by oil cylinder, bearing pin, installation crossbeam 3 etc., thus form clws torque, make trolley frame steadily realize low-angle to be slowly biased, form corresponding angle with the service direction of load-transfer device, thus realize the correction to load-transfer device; When load-transfer device gets back to cylinder middle position, change-over valve is got to the left side, realize right position function, regain the push rod of four oil cylinders, recover the normal tensioning state of dolly.When load-transfer device to the right sideslip time hydraulic efficiency pressure system principle of work identical.
Claims (5)
1. belt of belt conveyor tuningout tensioning is moved about dolly, comprise tuningout tensioning to move about dolly and tuningout tensioning hydraulic control system thereof, for carrying bandwidth at more than 1200cm, operational throughput position is at more than 1600t/h, belt speed is at more than 300cm/s, and fed distance is at the belt conveyer of 1000m; It is characterized in that:
Described tuningout tensioning is moved about dolly, comprises bend pulley [1], tensioning trolley frame [2], installs crossbeam [3], wheel [4], trolley track [5], floating claw [6], oil cylinder positioning plate [7], the first hydraulic ram [23], the second hydraulic ram [24], the 3rd hydraulic ram [25] and the 4th hydraulic ram [26];
The described tuningout tensioning dolly that moves about is the storage belting place being arranged at belt of belt conveyor afterbody, and be placed on two ground guide rails [5] by four wheels [4] and move in parallel, tensioning trolley frame [2] is fixed with bend pulley [1] by bearing seat roll with load-transfer device operation, two crossbeam [3] is installed and is installed on vehicle frame front end and vehicle frame rear end respectively, and be in same level with four wheels [4], four oil cylinders in pairs, and be fixed in former and later two installations crossbeam [3] respectively by bearing pin, four oil cylinder positioning plates [7] are fixed on former and later two installation crossbeam [3] upper limit liquefaction cylinders and are departed from jacking action plane due to deadweight, four V-type floating claws [6] pass through pinned connection with the female joint of four oil cylinder push rods, when contacting with ground guide rail [5], four V-type floating claws [6] make oil cylinder push rod axis automatically find accurately and the upper plane of the ground guide rail [5] that aligns, first hydraulic ram [23], second hydraulic ram [24], 3rd hydraulic ram [25] and the 4th hydraulic ram [26] four oil cylinder connection control system regulate tensioning dolly and turn to rolling drift angle, the tuningout tensioning to load-transfer device is realized in operational process,
Described tuningout tensioning hydraulic control system, comprise air filter [9], oil absorption filter [10], fire proof motor [11], oil pump [12], first change-over valve [14], second change-over valve [15], first check valve [16], second check valve [17], first pilot operated directional control valve [18], second pilot operated directional control valve [19], first hydraulic lock [20], second hydraulic lock [21], 3rd hydraulic lock [22], first hydraulic ram [23], second hydraulic ram [24], 3rd hydraulic ram [25], 4th hydraulic ram [26] and fuel tank [27], wherein:
Described fire proof motor [11] drives oil pump [12] work, oil pump [12] is by after oil absorption filter [10] oil suction, by the first change-over valve [14], second change-over valve [15], first check valve [16], second check valve [17], first pilot operated directional control valve [18], second pilot operated directional control valve [19], first hydraulic lock [20], second hydraulic lock [21], 3rd hydraulic lock [22] is transported to the first hydraulic ram [23], second hydraulic ram [24], 3rd hydraulic ram [25] and the 4th hydraulic ram [26], each oil cylinder is by the first change-over valve [15] and the second change-over valve [16] maneuvering and control, when fire proof motor [11] quits work, system automatic pressure-maintaining locks.
2. tuningout tensioning as claimed in claim 1 is moved about dolly, and the move about tuningout angle of dolly of tuningout tensioning described in it is 3 ° ~ 5 °.
3. tuningout tensioning as claimed in claim 1 is moved about dolly, and tuningout tensioning described in it moves about the tuningout speed that moves in parallel of dolly at 2 cm/min ~ 4cm/min.
4. tuningout tensioning as claimed in claim 1 is moved about dolly, and the move about hydraulic bias adjusting operation pressure of dolly of tuningout tensioning described in it is 6MPa ~ 10MPa.
5. tuningout tensioning as claimed in claim 1 is moved about dolly, the move about tuningout tensioning method of dolly of tuningout tensioning described in it is hydraulic lifting oil cylinder before and after four wheels by being arranged on tensioning trolley frame, act on trolley track medial surface, the sideslip situation different according to load-transfer device, regulate the functional orientation of oil cylinder, corresponding torque is formed to vehicle frame entirety, and make itself and running direction of conveyor belt form small angle deflection, in load-transfer device operational process, correct the deviation phenomenon of load-transfer device gradually, regulator solution Ore-controlling Role, regain oil cylinder, eliminate the interference that rigid contact produces, recover belt conveyer and normally run required constant tension.
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RU177069U1 (en) * | 2017-06-06 | 2018-02-07 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" | HYDRAULIC TENSIONING DEVICE |
CN108275413A (en) * | 2018-01-23 | 2018-07-13 | 中铁六局集团有限公司 | Belt feeder stores up cassette holder traction trolley attachment device |
CN108674930A (en) * | 2018-05-30 | 2018-10-19 | 广州贝晓德传动配套有限公司 | Elongated finely tunes deviation-rectifying system |
CN117902231A (en) * | 2024-03-18 | 2024-04-19 | 山西皇城机械制造有限公司 | Belt conveyor with deviation correcting device |
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CN203143550U (en) * | 2013-01-11 | 2013-08-21 | 中国矿业大学 | Hydraulic tensioning device for belt conveyor |
CN103935724A (en) * | 2014-04-14 | 2014-07-23 | 山东山矿机械有限公司 | Correction system of belt conveyer |
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RU2120905C1 (en) * | 1997-10-21 | 1998-10-27 | Открытое акционерное общество "Копейский машиностроительный завод" | Curved conveyor working member tensioning device |
US7849999B1 (en) * | 2008-03-24 | 2010-12-14 | The Schebler Co. | Conveyor tensioning system |
CN202063530U (en) * | 2010-11-19 | 2011-12-07 | 杭州富如德科技有限公司 | Cooling forming machine steel band rectification system for long-distance conveying of high temperature materials |
CN203143550U (en) * | 2013-01-11 | 2013-08-21 | 中国矿业大学 | Hydraulic tensioning device for belt conveyor |
CN103935724A (en) * | 2014-04-14 | 2014-07-23 | 山东山矿机械有限公司 | Correction system of belt conveyer |
Cited By (5)
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RU177069U1 (en) * | 2017-06-06 | 2018-02-07 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" | HYDRAULIC TENSIONING DEVICE |
CN108275413A (en) * | 2018-01-23 | 2018-07-13 | 中铁六局集团有限公司 | Belt feeder stores up cassette holder traction trolley attachment device |
CN108674930A (en) * | 2018-05-30 | 2018-10-19 | 广州贝晓德传动配套有限公司 | Elongated finely tunes deviation-rectifying system |
CN117902231A (en) * | 2024-03-18 | 2024-04-19 | 山西皇城机械制造有限公司 | Belt conveyor with deviation correcting device |
CN117902231B (en) * | 2024-03-18 | 2024-05-14 | 山西皇城机械制造有限公司 | Belt conveyor with deviation correcting device |
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