CN104129666A - Belt replacement method for rubber belt taking-up device of belt conveyor - Google Patents
Belt replacement method for rubber belt taking-up device of belt conveyor Download PDFInfo
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- CN104129666A CN104129666A CN201410328953.0A CN201410328953A CN104129666A CN 104129666 A CN104129666 A CN 104129666A CN 201410328953 A CN201410328953 A CN 201410328953A CN 104129666 A CN104129666 A CN 104129666A
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Abstract
The invention discloses a belt replacement method for a rubber belt taking-up device of a belt conveyor. According to the method, after parking, a vertical rotating roller is mounted on a rack, a tensioning trolley is released, the rubber belt taking-up device is arranged on a handpiece of the belt conveyor, an old rubber belt is cut off and connected with a new rubber belt, and the other end of the old rubber belt is connected with a belt winder through a gap of a belt replacement device; a hydraulic pump station is started, an oil cylinder moves downwards, a pressure sensor controls the pressure of a rubber belt to press the rubber belt; a hydraulic motor is started, a crawler belt is driven, the rubber belt is matched with the belt winder to roll up the old rubber belt under the effect of frictional force, and meanwhile the new rubber belt is laid gradually; next, the hydraulic motor stops running, the new rubber belt layer of the belt conveyor is punched and fixed, a traction oil cylinder is started to drive an upper crawler belt to move upwards and release the rubber belt, the belt replacement device is withdrawn, the vertical rotating roller is retracted, the rubber belt is tensioned by a moving trolley after vulcanization, and then no-load test run is conducted. By means of the method, the new rubber belt is laid while the old rubber belt is rolled up, so that the belt replacement process is shortened, manpower and material resources are saved, and the method is suitable for replacement of various rubber belts for all kinds of belt type delivery in different working environments.
Description
technical field
The present invention relates to a kind of tape swapping method of conveyor belt running, a kind of method that particularly belt conveying captain's distance steel silk rope core rubber belt for coal mine down-hole tunnel is changed fast continuously.
Technical background
Belt conveyer is the extremely important main equipment in coal production, has irreplaceable effect in coal production, is to realize the of crucial importance ring of coal from driving surface to ground.Wherein, adhesive tape is the carrier of carrying and transport coal, but adhesive tape is in long use procedure, exist the friction between zone face and material, the friction of adhesive tape and cylinder, causes adhesive tape zone face to scratch, there is corrosion and phenomenon of rupture in steel rope even, and to adhesive tape, potential safety hazard has been buried in operation.Therefore,, in order to ensure adhesive tape safe and stable operation, should regularly replace adhesive tape, along with the continuous increase of coal freight volume, the volume of adhesive tape, weight is all corresponding increases also, add belt conveying machine equipment peripheral situation complexity, thereby cause the work of replacing adhesive tape very complicated and arduous.
The method that at present a lot of coal mining enterprises conventionally adopt in transport plane adhesive tape is changed is: reversible electronic cable drum is first installed on belt conveyer middle frame, utilize Drive Drum on Belt Conveyor and reversible electronic cable drum, first old adhesive tape is drawn off from belt conveyer, recycle reversible electronic cable drum new adhesive tape is laid on belt conveyer.The deficiency of this tape swapping method is that the rolling of old adhesive tape and the laying of new adhesive tape can not carry out simultaneously, has extended the tape swapping time; In addition, the method removes old adhesive tape and puts new adhesive tape from conveyer is by links such as all drivings and unloading rollers, all needs to drop into a large amount of manpower and materials, and exists potential safety hazard.
Publication number is that CN101934915A discloses a kind of " the long method of changing adhesive tape apart from steel belt conveyor ", the method disconnects after old band, new and old adhesive tape is linked together, by reclaiming piecemeal old band, new adhesive tape is laid up, having overcome traditional tape swapping method first removes after old band and re-lays and be newly with this discontinuous link, but the method reclaims drawstring in old adhesive tape process, winding is separately carried out, the time that has so just greatly increased tape swapping, a large amount of manpower and materials are consumed.
The existing method about tape swapping of above-mentioned open report, exists the problems such as coal mine belt conveyor tape swapping method efficiency is low, tape swapping speed is slow, and reliability is low, is difficult to use in tape swapping reality.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing belt conveyer tape swapping method, the present invention has designed one can be simple, also be applicable to fast the tape swapping method for conveyor belt running draw off gear of belt conveyer Multiple Type, thereby shortened the tape swapping time, improved tape swapping efficiency.
The present invention adopts following technical scheme to realize.
For a tape swapping method for conveyor belt running draw off gear, described tape swapping method is to change the complete machine adhesive tape of conveyer, and concrete steps are as follows:
Vertical roll capable of avoiding deviation is installed in old adhesive tape both sides along belt conveyer frame after parking, unclamp tensioning dolly, again adhesive tape draw off gear is arranged to 2～3m place of belt conveyor tail or head, and being set, tape swapping device part cuts off old adhesive tape, one end connects new adhesive tape, and simultaneously the other end of old adhesive tape is connected with bandage-winder pass up and down the gap of belting by tape swapping device after;
First start hydraulic power unit, oil cylinder moves downward, and compresses old adhesive tape, and by the pressure of the old adhesive tape of pressure sensor control; Secondly primer fluid pressure motor, crawler haulage, old adhesive tape coordinates the old band of rolling under the effect of friction force with bandage-winder, in the old adhesive tape of rolling, lay gradually new adhesive tape;
Complete at old adhesive tape winding, new adhesive tape is laid on belt conveyer completely, HM Hydraulic Motor shuts down, then on the new adhesive tape layer of belt conveyer, check card and be fixedly connected with, start traction fluid compressing cylinder and drive upper crawler belt upward movement, unclamp adhesive tape, withdraw from tape swapping device and bandage-winder, vertical roll capable of avoiding deviation is regained;
Finally vulcanize new adhesive tape, after by the new adhesive tape of dolly tensioning that moves about, unloaded trial run and run;
In technique scheme, described adhesive tape draw off gear comprises the adhesive tape jack arranging in hydraulic efficiency pressure system, adhesive tape folding and unfolding frame and frame thereof; Wherein: adhesive tape folding and unfolding frame is to be made up of the guiding mechanism and the adhesive tape running deviation preventing mechanism that are arranged on supporting mechanism; Its supporting mechanism is to be made up of the fixing square column of base plate and both sides thereof; Its guiding mechanism is to be individually fixed in lower crawler belt link span end by four axis of guides, is provided with screw-drive mechanism above the axis of guide; Its adhesive tape running deviation preventing mechanism is on base plate, to be fixed with vertical roll capable of avoiding deviation;
Adhesive tape jack is to be made up of upper crawler body, lower crawler body and traction fluid cylinder pressure, wherein, upper crawler body and lower crawler body are symmetricly set between the axis of guide of adhesive tape folding and unfolding frame up and down, and the both side ends of lower crawler belt link span is connected and fixed on the square column in front and back; Crawler belt link span is installed in the middle of upper crawler body, on former and later two, crawler belt link span end is set in the axis of guide by orienting sleeve, on centre, crawler belt link span end is connected with traction fluid compressing cylinder and hydraulic ram lifting eye seat, another lifting eye seat of traction fluid compressing cylinder and the square column of base plate are fixedly connected with, to draw upper crawler body up-and-down movement.
Further, in adhesive tape draw off gear, two heel post mirror images of described base plate are symmetrical arranged, and the distance between each side shape column is equal, and front and back column height is positioned at same horizontal surface, and B-pillar height is determined by the length of drawing oil cylinder.
The axle center of the described axis of guide overlaps with the center shaft of the square column in front and back, and each axle center is parallel to each other, and length is 1.6 times of upper crawler body height.
Described upper crawler body and lower crawler body are arranged between the axis of guide, and two chassis are symmetrical arranged up and down, and its grounding pressure is 1MPa, and the extension elongation of upper and lower crawler belt link span equates, its one-sided extension elongation is total length 1/4.
The two ends of described traction fluid compressing cylinder are fixed with the square column in centre and upper crawler belt link span end respectively, the axis parallel of its axle center and the axis of guide.
The upper end of the described axis of guide is fixed with sleeve and screw-drive mechanism, and the initial length of fit of its middle sleeve and the axis of guide is 1/3 of sleeve height.
The loop of carrying secretly of described hydraulic efficiency pressure system is provided with oil cylinder locking loop and pressure test table), in the time that monitoring plunger shaft internal pressure value is less than setting value, controls electromagnetic valve and open, supplement oil pressure.
Implement the tape swapping method of the above-mentioned a kind of adhesive tape draw off gear for belt conveyer of the present invention, its beneficial effect is: utilize and realized in the situation that not utilizing head roll, new and old adhesive tape is connected, old adhesive tape drives new adhesive tape, in the old adhesive tape of rolling, lay new adhesive tape, simplify construction technology, saved a large amount of human and material resources and engineering time.The inventive method early-stage preparations are fully careful, the construction rate of utilization of work hour is high, have the feature of interspersed concurrent job simultaneously, quick, safety and be applicable under different operating environment and all kinds of adhesive tapes of various types of belt conveying are changed.
Compared with prior art, outstanding feature of the present invention is also to utilize Caterpillar transmission mechanism and hydraulic actuating cylinder traction clamping mechanism, and pressure when being detected crawler belt and clamped adhesive tape by pressure sensor, and the gripping power of generation enough clamps heavy adhesive tape like this.And between crawler belt, be inlaid with the adhesive tape piece identical with rubber belt material, and strengthen like this friction coefficient, produce very large pulling force, while having solved tape swapping, draw hypodynamic problem, ensure continuous, steady, the safety of operational process.
Brief description of the drawings
Fig. 1 is the down-hole general arrangement schematic of tape swapping method of the present invention.
Fig. 2 is the aboveground general arrangement schematic of tape swapping method of the present invention.
Fig. 3 is the front view of tape swapping device of the present invention.
Fig. 4 is the birds-eye view of tape swapping device of the present invention.
Fig. 5 is the lateral plan of tape swapping device of the present invention.
Fig. 6 is Chuan Dai of the present invention mechanism crawler body front view.
Fig. 7 is that Chuan Dai of the present invention mechanism crawler body is surveyed view.
Fig. 8 is pressure zone of the present invention chassis partial enlarged view.
Fig. 9 is tape swapping device hydraulic principle figure of the present invention.
In figure: 1: hydraulic power unit; 2: electric cabinet; 3: adhesive tape cylinder; 4: old adhesive tape; 5: storage cassette holder; 6: HM Hydraulic Motor; 7: traction fluid compressing cylinder; 8: crawler-tread mechanism; 9: lower tape roller; 10: new adhesive tape; 11: crawler belt; 12: orienting sleeve; 13: upper crawler belt link span; 14: jacket casing; 15: rubber block; 16: base plate; 17: lower crawler body; 18: vertical roll capable of avoiding deviation; 19: the axis of guide; 20: hydraulic cylinder lifting eye seat; 21: traction fluid cylinder pressure; 22: screw-drive mechanism; 23: connecting panel; 24: upper crawler body; 25: lower crawler belt link span 26: square column 27: fuel tank; 28: motor 1; 29: Hydraulic Pump 1; 30: check valve; 31: check valve 1; 32: pilot overflow valve 1; 33: take-up circuit pressure detects table; 34: 3-position 4-way solenoid directional control valve; 35: synchronous valve; 36: hydraulic bidirectional locking valve; 37: 3-position 4-way solenoid directional control valve; 38: cylinder pressure control cock; 39: pilot overflow valve 2; 40: return oil filter; 41: motor 2; 42: Hydraulic Pump 2; 43: filter; 44: liquid level liquid thermometer; 45: carry circuit pressure detection table secretly; 46: check valve 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made further instructions.
Implement a kind of tape swapping method for conveyor belt running draw off gear, be specially the complete machine adhesive tape of changing conveyer, comprise the following steps:
(1) stop before by place the equipment such as tape swapping device, Webbing take-up device, and will belt conveyer put on the eye-catching mark of hot work in progress around.
(2) both sides are installed by vertical vertical roll capable of avoiding deviation 18 around along belt conveyer frame, to prevent adhesive tape sideslip in tape swapping process.
(3) belt conveyer stops, unclamp tensioning dolly, from disconnecting old adhesive tape 4 near tape swapping device 3～5 positions, cut off one end of old adhesive tape 4 and be connected with the new adhesive tape 10 vulcanizating, the other end is connected with bandage-winder after passing up and down belting gap by tape swapping device.
(4) hydraulic power unit 1 moves, and oil cylinder moves downward, and compresses adhesive tape, the pressure of pressure sensor control adhesive tape.Primer fluid pressure motor 6, at this moment, crawler haulage, adhesive tape has coordinated the process of the old adhesive tape 4 of rolling under the effect of friction force with bandage-winder, because the other end of old adhesive tape 4 is connected with new adhesive tape 10, so complete gradually the laying of new adhesive tape 10 in the old adhesive tape 4 of rolling.
(5) when old band, to receive 4 volumes complete, after new adhesive tape 10 is laid on belt conveyer completely, HM Hydraulic Motor 6 shuts down, now on 10 layers, the new adhesive tape of belt conveyer, check card fixing, traction fluid compressing cylinder 7 drives upper crawler belt upward movement, unclamps adhesive tape, withdraws from tape swapping device, bandage-winder, regains vertical vertical roll capable of avoiding deviation 18.
(6) vulcanize new adhesive tape 10, by the dolly tensioning adhesive tape that moves about, remove mark, unloaded trial run and run.
Above-mentioned a kind of tape swapping device adopting for conveyor belt running tape swapping method, this tape swapping device comprises hydraulic efficiency pressure system, and the adhesive tape jack arranging is installed in designed adhesive tape folding and unfolding frame and frame thereof; Its overall constituent relation is as follows.
Designed adhesive tape folding and unfolding frame is that the guiding mechanism and the adhesive tape running deviation preventing mechanism that are arranged on supporting mechanism by installation form; Supporting mechanism is wherein to be made up of the fixing square column 26 of base plate 16 and both sides thereof; Guiding mechanism is wherein to be individually fixed in lower crawler belt link span 25 ends by four axis of guides 19, is provided with screw-drive mechanism 22 above the axis of guide 19; Adhesive tape running deviation preventing mechanism is wherein on base plate 16, to be fixed with vertical roll capable of avoiding deviation 18 to form;
Designed adhesive tape jack is to be made up of upper crawler body 24, lower crawler body 17, traction fluid cylinder pressure 7, wherein, upper crawler body 24 and lower crawler body 17 are symmetricly set between the axis of guide 19 of adhesive tape folding and unfolding frame up and down, and the both side ends of lower crawler belt link span 25 is connected and fixed on the square support post 26 in front and back; In the middle of upper crawler body 24, crawler belt link span 13 is installed, on former and later two, crawler belt link span 13 ends are set in the axis of guide 19 by orienting sleeve 12, on centre, crawler belt link span 13 ends are connected with traction fluid compressing cylinder 7 and hydraulic ram lifting eye seat 20, another lifting eye seat 20 of traction fluid compressing cylinder 7 and the square column 26 of base plate 16 are fixedly connected with, to draw upper crawler body 24 up-and-down movements.
State on the implementation in scheme, two heel post mirror images of the base plate 16 adopting are symmetrical arranged, and the distance between each side shape column 26 is equal, and front and back column height is positioned at same horizontal surface, and B-pillar height is determined by the length of drawing oil cylinder.
State on the implementation in scheme, the axle center of the axis of guide 19 adopting overlaps with the center shaft of the square column 26 in front and back, and each axle center is parallel to each other, and length is 1.6 times of upper crawler body 24 height.
State on the implementation in scheme, the upper crawler body 24 adopting and lower crawler body 17 are arranged between the axis of guide 19, and two chassis are symmetrical arranged up and down, and its grounding pressure is 1MPa, the extension elongation of upper and lower crawler belt link span equates, its one-sided extension elongation is total length 1/4.The adhesive tape piece 15 identical with rubber belt material of inlaying between crawler belt, to increase the friction force of chassis and adhesive tape.
State on the implementation in scheme, the two ends of stating traction fluid compressing cylinder 7 that adopt are fixed with the square column 26 in centre and upper crawler belt link span 13 ends respectively, the axis parallel of its axle center and the axis of guide 19.
State on the implementation in scheme, the upper end of the axis of guide 19 adopting is fixed with sleeve 14 and screw-drive mechanism 22, and its middle sleeve 14 is 1/3 of sleeve height with the initial length of fit of the axis of guide 19.
Below to provided by the present invention a kind of for conveyor belt running more the adhesive tape replacing method of changing device make and being described in detail as follows:
When the inventive method is carried out belt conveyer tape swapping, first conveyer is shut down, and as for belt machine tail part (lower fortune formula is head section), or adopts the same Plant arrangement of two covers at the spacious place of head in tape swapping device device, and concrete tape swapping step is:
The first step: before shutting down, the equipment such as tape swapping device, hydraulic power unit 1 are transferred and put in place, new adhesive tape 10 volumes are transferred to down-hole, and sulfuration, to required length, is piled up belt conveyor tail 9 vacant lot places in advance.And both sides are installed by vertical vertical roll capable of avoiding deviation around along belt conveyer frame, to prevent adhesive tape sideslip in tape swapping process.
Second step: belt conveyer stops, unclamp tensioning dolly, from disconnecting old adhesive tape 4 near tape swapping device position, one end of the old adhesive tape 4 of cut-out is connected with the new adhesive tape 10 vulcanizating, and the other end is connected with bandage-winder after by the upper and lower Chuan Dai of tape swapping device mechanism 8 gaps.
The 3rd step: hydraulic power unit 1 moves, drawing oil cylinder 7 moves downward, and compresses adhesive tape, the pressure of pressure sensor control adhesive tape.Primer fluid pressure motor 6, at this moment, crawler haulage, adhesive tape has coordinated the process of the old adhesive tape 4 of rolling under the effect of friction force with bandage-winder, because the other end of old adhesive tape 4 is connected with new adhesive tape 10, so in the old adhesive tape 4 of rolling, complete gradually the laying of new adhesive tape 10.
The 4th step: when old adhesive tape 4 rollings complete, after now new adhesive tape 10 is laid on belt conveyer completely, HM Hydraulic Motor 6 shuts down, now on the new adhesive tape layer of belt conveyer, check card fixing, drawing oil cylinder 7 drives upper crawler belt upward movement, unclamps adhesive tape, withdraws from tape swapping device, bandage-winder, regains vertical transfer roller.
The 5th step: vulcanize new adhesive tape 10, by the dolly tensioning adhesive tape that moves about, remove mark, unloaded trial run and run.
In above-mentioned tape swapping process, the pressure zone of tape swapping device, transmission drawstring moves by HYDRAULIC CONTROL SYSTEM, wherein drawstring loop adopts and is realized by four HM Hydraulic Motor synchronous rotaries, system pressure setting value is 16MPa, the pressure of hydraulic system pressure control drawing oil cylinder is set up in pressure zone loop by by pass valve, thereby control the pressure of crawler belt press belt mechanism to adhesive tape, therefore, for dissimilar, and the adhesive tape of different length, needed hydraulic system pressure value difference, for longer, wide steel cable belt, needed friction force is larger, thereby just larger to the pressure of adhesive tape, hydraulic efficiency pressure system by pass valve setting is larger, for shorter, narrow nylon belt, required tape swapping friction force is less, less to the pressure of adhesive tape, and hydraulic efficiency pressure system by pass valve setting is smaller.Therefore, the required pressure of tape swapping is set the oil pressure of hydraulic efficiency pressure system according to the difference of adhesive tape type, be applicable to dissimilar adhesive tape, has the energy of saving, avoids device all under heavy load, to move at every turn, has extended the life-span of device.The conventional conveyor belt running in colliery is mainly nylon belt and steel cable belt at present, this device is all suitable for this adhesive tape of two types, adhesive tape for mass range below 30t, the pressure of system can adopt 3MPa, and quality is 30t to the adhesive tape within the scope of 52t, and the pressure of system can be set up 5MPa, quality is 52t to the adhesive tape within the scope of 70t, the pressure of system can be set up 7MPa, in the time that belt quality weighs 100t, system pressure can be set up to 10MPa.And now the grounding pressure of track frame is only 0.42MPa, be far from reaching the compressive strength 5MPa of adhesive tape, therefore, in the time changing the larger adhesive tape of quality, the force value in pressure zone loop that can continue to raise, can meet the adhesive tape that the conventional belt conveyer in current colliery uses.
HYDRAULIC CONTROL SYSTEM principle of the present invention is as follows:
This design of Hydraulic System adopts two work loops, i.e. motor rotation loop and oil cylinder traction pressure zone loop.
(1) oil cylinder is carried secretly and is sent band oil circuit
Oil cylinder is carried action circuit operation pressure secretly and is calculated and regulate according to changed adhesive tape, first hydraulic oil, by fuel tank 27 through Hydraulic Pump 42, through check valve 46, enters 3-position 4-way solenoid directional control valve 37, wherein precursor overflow valve 39 is set up preset pressure, controls the pressure of in-line.Pressure monitoring table TB2 monitors line pressure, and feeds back in time the external world, adjusts at any time in order to staff.
In the time that hydraulic oil enters into 3-position 4-way solenoid directional control valve 37, change-over valve 37 obtains electric, and spool moves to left, and hydraulic oil enters into the epicoele of drawing oil cylinder 7 by two-way locking device.Hydraulic cylinder rod moves down, and pulls track frame to move downward, and realizes pressure zone.Pressure zone moves because need of work must be always in impaction state, until tape swapping end-of-job.So hydraulic actuating cylinder pressure zone loop must connect hydraulic pressure two-way locking valve for bushing 36, with the pressure zone state that ensures to provide lasting.In addition, oil cylinder working-pressure detecting sensor 38 is for monitoring the pressure of oil cylinder, and in the time of insufficient pressure, sensor sends signal, makes solenoid directional control valve 37 obtain electric moving to left, and continues to supplement fluid, until required pressure by pump.
When after tape swapping end-of-job, 3-position 4-way solenoid directional control valve 37 right sides obtain electric, and change-over valve moves to right, now pressure monitoring sensor 38 dead electricity, fluid enters into the cavity of resorption of drawing oil cylinder 7, and hydraulic cylinder rod lifts belt pressing device under the effect of pressure oil, completes tape swapping operation.
Oil cylinder is carried hydraulic pressure route secretly: fuel tank 27 → Hydraulic Pump 42 → check valve 46(precursor overflow valve 39, pressure display table TB1) → 3-position 4-way solenoid directional control valve 37(moves to left) epicoele (the pressure monitoring sensor 38) → track frame of → hydraulic bidirectional locking valve 36 → drawing oil cylinder 7 compresses adhesive tape.
Oil cylinder pine band hydraulic pressure route is: fuel tank 27 → Hydraulic Pump 42 → check valve (precursor overflow valve 39, pressure display table TB1) → 3-position 4-way solenoid directional control valve 37(moves to right) cavity of resorption → track frame of → hydraulic bidirectional locking valve 36 → drawing oil cylinder 7 loosens adhesive tape.
(2) crawler belt send band drawstring loop
It is that carry secretly at oil cylinder must be electric after move that oil cylinder is carried action secretly, its loop works pressure is 16MPa, first hydraulic oil is by fuel tank 27 process Hydraulic Pumps 29, through check valve 30, enter 3-position 4-way solenoid directional control valve 34, identical with Clamping Circuit, wherein precursor overflow valve 32 is set up preset pressure, controls the pressure of in-line.Pressure monitoring table TB2 detects high pressure chargine line pressure, and feeds back in time the external world.
In the time that hydraulic oil enters into 3-position 4-way solenoid directional control valve 34, change-over valve 34 obtains electric, spool moves to left, hydraulic oil enters into flow divider-combiner (synchronous valve) 35, fluid is through the shunting of synchronous valve, enter into respectively four HM Hydraulic Motor 6, the effect of synchronous valve is exactly to ensure that hydraulic oil can wait four motors that enter into of flow, ensures the synchronism of motor rotation.Fluid through shunting enters into motor inside, enters check valve, and fluid drives motor 6 to rotate, motor oil leakaging port connected tank, and lower crawler belt rotation motor job order is identical with upper track motor, switched in opposite.
Crawler belt send tape loop route to be: fuel tank 27 → Hydraulic Pump 29 → check valve 30(precursor overflow valve 32, pressure display table TB2) → 3-position 4-way solenoid directional control valve 34(moves to left) → Hydraulic Synchronizing Valve 35 → HM Hydraulic Motor 6 → tape swapping device take-up rotation → 3-position 4-way solenoid directional control valve 34 → return oil filter 40 → filter 43 → fuel tank 27.
Claims (8)
1. for a tape swapping method for conveyor belt running draw off gear, described tape swapping method is to change the complete machine adhesive tape of conveyer, and concrete steps are as follows:
Vertical roll capable of avoiding deviation (18) is installed in old adhesive tape (4) both sides along belt conveyer frame after conveyer stops, unclamp tensioning dolly, again adhesive tape draw off gear is arranged to 2～3m place of belt conveyor tail or head, and being set, tape swapping device part cuts off old adhesive tape (4), one end connects new adhesive tape (10), simultaneously the other end of old adhesive tape (4) is connected with bandage-winder pass up and down the gap of belting by tape swapping device after, during for aboveground tape swapping, adopt the same device of two covers, the old adhesive tape of a set of recovery (4), the new adhesive tape of another set of laying (10);
First start hydraulic power unit (1), oil cylinder moves downward, and compresses old adhesive tape (4), and by the pressure of the old adhesive tape of pressure sensor control (4); Secondly primer fluid pressure motor (6), crawler haulage, old adhesive tape (4) coordinates the old adhesive tape of rolling (4) under the effect of friction force with bandage-winder, in the old adhesive tape of rolling (4), lay gradually new adhesive tape (10);
Complete in old adhesive tape (4) rolling, new adhesive tape (10) is laid on belt conveyer completely, HM Hydraulic Motor (6) shuts down, then on the new adhesive tape of belt conveyer (10) layer, check card and be fixedly connected with, start crawler belt upward movement in traction fluid compressing cylinder (21) drive, unclamp adhesive tape, withdraw from tape swapping device and bandage-winder, vertical roll capable of avoiding deviation (18) is regained;
Finally vulcanize new adhesive tape (10), after by the new adhesive tape of dolly tensioning (10) that moves about, unloaded trial run and run.
2. tape swapping method as claimed in claim 1, is characterized in that: described adhesive tape draw off gear comprises the adhesive tape jack arranging in hydraulic efficiency pressure system, adhesive tape folding and unfolding frame and frame thereof; Wherein:
Described adhesive tape folding and unfolding frame is to be made up of the guiding mechanism and the adhesive tape running deviation preventing mechanism that are arranged on supporting mechanism; Its supporting mechanism is to be made up of the fixing square column (26) of base plate (16) and both sides thereof, is fixed on ground; Four axis of guides (19) of guiding mechanism are individually fixed in lower crawler belt link span (25) end, are provided with screw-drive mechanism (22) in the axis of guide (19) top; Its adhesive tape running deviation preventing mechanism is on base plate (16), to be fixed with vertical roll capable of avoiding deviation (18);
Described adhesive tape jack is to be made up of upper crawler body (24), lower crawler body (17) and traction fluid cylinder pressure (7), wherein, upper crawler body (24) and lower crawler body (17) are symmetricly set between the axis of guide (19) of adhesive tape folding and unfolding frame up and down, and the both side ends of lower crawler belt link span (25) is connected and fixed on the square columns in front and back (26); Crawler belt link span (13) is installed in the middle of upper crawler body (24), on former and later two, crawler belt link span (13) end is set on the axis of guide (19) by orienting sleeve (12), traction fluid compressing cylinder (7) one end is connected with middle upper crawler belt link span (13) end by lifting eye seat (20), the other end is fixedly connected with by the square column (26) of another lifting eye seat (20) and base plate (16), to draw upper crawler body (24) up-and-down movement.
3. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: two heel post mirror images of described base plate (16) are symmetrical arranged, distance between each side shape column (26) equates, front and back column height is positioned at same horizontal surface, and B-pillar height is determined by the length of drawing oil cylinder (7).
4. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: the axle center of the described axis of guide (19) overlaps with the center shaft of the square columns in front and back (26), and each axle center is parallel to each other, length is 1.6 times of upper crawler body (24) height.
5. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: described upper crawler body (24) and lower crawler body (17) are arranged between the axis of guide (19), two chassis are symmetrical arranged up and down, and its grounding pressure is 1MPa, the extension elongation of upper and lower crawler belt link span equates, its one-sided extension elongation is total length 1/4, and the adhesive tape piece (15) identical with rubber belt material of inlaying between crawler belt, to increase the friction force of chassis and adhesive tape.
6. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: the two ends of described traction fluid compressing cylinder (7) are fixed with the square column in centre (26) and upper crawler belt link span (13) end respectively, the axis parallel of its axle center and the axis of guide (19).
7. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: the upper end of the described axis of guide (19) is fixed with sleeve (14) and screw-drive mechanism (22), its middle sleeve (14) is 1/3 of sleeve height with the initial length of fit of the axis of guide (19).
8. the adhesive tape draw off gear for belt conveyer as claimed in claim 2, it is characterized in that: the loop of carrying secretly of described hydraulic efficiency pressure system is provided with oil cylinder locking loop (36) and pressure test table (38), in the time that monitoring plunger shaft internal pressure value is less than setting value, control electromagnetic valve (37) and open, supplement oil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410328953.0A CN104129666A (en) | 2014-07-11 | 2014-07-11 | Belt replacement method for rubber belt taking-up device of belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328953.0A CN104129666A (en) | 2014-07-11 | 2014-07-11 | Belt replacement method for rubber belt taking-up device of belt conveyor |
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| CN104129666A true CN104129666A (en) | 2014-11-05 |
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| CN201410328953.0A Pending CN104129666A (en) | 2014-07-11 | 2014-07-11 | Belt replacement method for rubber belt taking-up device of belt conveyor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909112A (en) * | 2015-06-04 | 2015-09-16 | 山西晋城无烟煤矿业集团有限责任公司 | Fast replacement process for long-distance steel cord belt |
| CN105292996A (en) * | 2015-10-29 | 2016-02-03 | 侯可中 | Belt deviation rectifying device and belt deviation rectifying method |
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| CN108275409A (en) * | 2018-03-15 | 2018-07-13 | 太原理工大学 | A kind of conveyer belt of ribbon conveyer more changing device and conveyer belt strap mechanism |
| CN111267030A (en) * | 2020-03-06 | 2020-06-12 | 任予鑫 | Method for replacing belt surface of coal mine distribution belt conveyor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909112A (en) * | 2015-06-04 | 2015-09-16 | 山西晋城无烟煤矿业集团有限责任公司 | Fast replacement process for long-distance steel cord belt |
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| CN105292996B (en) * | 2015-10-29 | 2017-08-29 | 侯可中 | Belt deviation correcting device and belt deviation rectifying method |
| WO2018090390A1 (en) * | 2016-11-15 | 2018-05-24 | 太原理工大学 | Belt replacement device for belt conveyor |
| WO2018126492A1 (en) * | 2017-01-09 | 2018-07-12 | 太原理工大学 | Belt winding and unwinding device for belt conveyor |
| US10793362B2 (en) | 2017-01-09 | 2020-10-06 | Taiyuan University Of Technology | Rubber belt retracting and deploying device for belt conveyor |
| CN108275409A (en) * | 2018-03-15 | 2018-07-13 | 太原理工大学 | A kind of conveyer belt of ribbon conveyer more changing device and conveyer belt strap mechanism |
| CN111267030A (en) * | 2020-03-06 | 2020-06-12 | 任予鑫 | Method for replacing belt surface of coal mine distribution belt conveyor |
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