CN103935691A - Carrier roller arrangement structure for horizontal bending belt conveyer - Google Patents

Carrier roller arrangement structure for horizontal bending belt conveyer Download PDF

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Publication number
CN103935691A
CN103935691A CN201410180954.5A CN201410180954A CN103935691A CN 103935691 A CN103935691 A CN 103935691A CN 201410180954 A CN201410180954 A CN 201410180954A CN 103935691 A CN103935691 A CN 103935691A
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China
Prior art keywords
load
transfer device
carrying roller
turning
carrier roller
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Application number
CN201410180954.5A
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Chinese (zh)
Inventor
许江
赵开
苏小鹏
彭守建
张海龙
汤杨
马书敏
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Chongqing University
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Chongqing University
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Priority to CN201410180954.5A priority Critical patent/CN103935691A/en
Publication of CN103935691A publication Critical patent/CN103935691A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses a carrier roller arrangement structure for a horizontal bending belt conveyer. A carrier roller set arranged below a conveyer belt comprises buffer carrier rollers, flat carrier rollers and groove type rollers, wherein turning carrier rollers are arranged on the turning position of the conveyer belt, the turning carrier rollers are of a groove type carrier roller structure, the outer-side rollers are higher than the inner-side rollers of the turning carrier roller, and the outer-side rollers and the inner-side rollers are provided with gears matched with a side chain; at the position of turning, and the ratio of the turning radiuses of different positions of the conveyer belt is equal to the ratio of the radiuses of the carrier rollers corresponding to the conveyer belt in position. The carrier roller arrangement structure for the horizontal bending belt conveyer is bendable, reliable in operation, low in power consumption and high in conveying line adaptability.

Description

Be applied to the carrying roller arrangement structure of horizontal curvature belt conveyer
Technical field
The present invention relates to a kind of carrying roller arrangement structure of conveyer.
Background technology
In prior art, belt conveyer mainly comprises load-transfer device, carrying roller and middle frame, cylinder take-up device, brake equipment, clearing apparatus and device for discharging etc.Load-transfer device is the most expensive and the most easy to wear parts in belt conveyer parts.When carrying the strong material of wearability, as iron ore etc., the durability of load-transfer device will significantly reduce.Conventional belt conveyer mainly has following problem in mine produces:
(1) bad adaptability of crooked stage transportation.Conventional belt conveyer can only be for linear portion or the little transportation section of angle of bend, when or section that number of bends more large for angle of bend, need to another conveyer, be reprinted by a conveyer, increased the link in transportation, and in conveyer system, some place also must regulation delivery rate.In addition, traditional conveyer can not meet the needs of fully mechanized coal face oblique adjusting, for the bad adaptability of geologic condition, is that some corner coals can not be exploited, and causes losses of coal larger, reduces the rate of extraction, there is no good economic benefit.
(2) service life of band is short.Conventional belt conveyer is to make trailer coupling with load-transfer device, and it is again load carrier simultaneously, the serious wear of band, and will greatly reduce service life.As long as there is a place to damage on load-transfer device, or tape swapping, but the cost of load-transfer device accounts for conveyer cost half, and cost is very high; Excision, again splice one section, but complex steps wastes time and energy with heat curing system, and the strength decreased of being with after again splicing, and more easily damages, and also has potential safety hazard.
(3) transport capacity is limited.Traditional belt conveyer is to take frictional transmission principle as principle of work, when transmission distance is excessive, easily causes conveyer overload, between band and belt wheel, there will be and skids, and makes transmission failure.Improve by force traffic capacity and increase the tensile force of band, inevitable greatly quickening damages the axle of driving drum, and the rate of wear of belt is accelerated, and recruitment is very limited.
(4) load-transfer device length is non-adjustable.Traditional belt conveyer generally all passes through the length that storage belting changes conveyer, storage belting complex structure, and volume is large, and transportation and dismounting are all inconvenient, and are not easy to dislocation.In addition, due to the limited length of storing load-transfer device in storage cassette holder, when advancing coal-mining or tunnelling, for conveyer Extensible, there is very large requirement, storage band ability often can not need of work, adds band and needs to increase unnecessary trouble, has also reduced the intensity of band.
(5) easy sideslip.During load-transfer device operation, may, because the eccentric accumulation of deviation, material, stand stretch, wind load action and Tension Distribution that load-transfer device is manufactured are inhomogeneous, cause the sideslip of load-transfer device.The sideslip of load-transfer device can make load-transfer device and frame rub mutually, causes limit glue wearing and tearing.Because sideslip can cause the disaster shutdown increased frequency of conveyer, impact is produced, and sideslip also may cause that material spreads outward, and the operation economy of conveyer system is declined.
Therefore those skilled in the art are devoted to develop a kind of carrying roller arrangement structure of the belt conveyer of transportation continuously that can be applicable at turning.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide a kind of carrying roller arrangement structure of the belt conveyer of transportation continuously that can be applicable at turning.
For achieving the above object, the invention provides a kind of carrying roller arrangement structure that is applied to horizontal curvature belt conveyer, described conveyer comprises frame and load-transfer device; Described load-transfer device one end is provided with feeding device, and the other end is provided with device for discharging; It is characterized in that: the carrying roller group that is arranged at described load-transfer device below comprises impact idler, flat pattern carrying roller and groove profile carrier roller;
Described impact idler is arranged at the below of described feeding device; Described flat pattern carrying roller and groove profile carrier roller interval arrange;
Wherein, the middle part of a plurality of described flat pattern carrying rollers offers driving groove, or/and the flat carrier roller of a plurality of described groove profile carrier rollers middle part offers driving groove; Described driving groove place is provided with driving chain wheel; Described driving chain wheel drives by motor;
At load-transfer device turning, be provided with turning idler; Described turning idler is groove profile carrier roller structure, and its outside carrying roller is higher than inner side carrying roller; Described outside carrying roller and inner side carrying roller are provided with the gear coordinating with described side chain;
At turning, the ratio of the carrying roller radius that the ratio of the turn radius of described load-transfer device different parts is corresponding with load-transfer device position equates.
Preferably, the flat carrier roller of described turning idler middle part offers driving groove, and this driving groove place is provided with driving chain wheel, and this driving chain wheel drives by motor.
The invention has the beneficial effects as follows:
(1) flexible.The present invention can make conveyer have minor radius crooking ability, thereby when conveyer is when moving, when belt direction also needs sharply to change simultaneously, must not set up transfer point, than conventional belt conveyer, saved termination transshipment acitivity, greatly reduce the fault rate of whole belt conveyor systems, especially can make full ore deposit fortune coal even haul all use a set of flexible belt conveyer, simplify greatly transport systems, reduced chamber developing amount, straight line driving also need not be pressed in transportation lane when driving, it is curved that driving surface oblique adjusting also can be crossed camber line, reduced corner coal losses.
(2) reliable.In working process of the present invention, Local Members et out of order does not affect the operation of whole equipment, can long time continuous working.
(3) consumption of power is low.Because material and load-transfer device are almost without relatively moving, not only make running resistance little, be about 1/3 of slat conveyer, and also all little to the wearing and tearing of cargo and fragmentation, capacity rating is high.
(4) delivery conduit strong adaptability.The present invention can indefinite length transport in theory, can be arranged in minitunnel, also can be erected at the overhead of ground communications confusion and dangerous zone.According to the requirement of technological process, flexible belt conveying function, also can be to multiple spot or several section discharging very neatly from one or more material feedings.When simultaneously several to feeding in raw material by (as the conveyer under coal preparation plant's coal bunker) on load-transfer device or along any point on belt conveyer length direction by uniform feeding equipment during to load-transfer device feed, belt conveyer just becomes a main conveying route.This equipment can the tunnel below coal yard stockpile in feeding, while needing, the different material of each heap can also be mixed.Material can draw off from conveyor head simply, also can pass through belt plow or mobile dummy car in any point discharging of load-transfer device length direction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the applied conveyer of the embodiment of the invention.
Fig. 2 is that the B of Fig. 1 is to side-looking structural representation.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 4 is the C-C sectional structure schematic diagram of Fig. 1.
Fig. 5 is the structural representation with corresponding each section of load-transfer device of the embodiment of the invention.
Fig. 6 is the D-D structural representation of Fig. 5.
Fig. 7 is that the P of Fig. 5 is to structural representation.
Fig. 8 is and the corresponding load-transfer device package assembly of embodiment of the invention schematic diagram.
Fig. 9 is and the corresponding front and back of embodiment of the invention load-transfer device connection structure schematic diagram.
Figure 10 is and the corresponding load-transfer device turn condition of embodiment of the invention structural representation.
Figure 11 is and the corresponding transmission chain wheel structure schematic diagram of the embodiment of the invention.
Figure 12 is that the E of Figure 11 is to side-looking structural representation.
Figure 13 is the matching relationship schematic diagram of driving chain wheel and messenger chain.。
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, Figure 2 and Figure 3, a kind of carrying roller arrangement structure that is applied to horizontal curvature belt conveyer, the carrying roller group 300 that is arranged at load-transfer device below comprises impact idler 10, flat pattern carrying roller 11 and groove profile carrier roller 12, and impact idler 10 is arranged at the below of feeding device 1; Flat pattern carrying roller 11 and groove profile carrier roller 12 intervals arrange.
The layout of idlers pitch should be followed the as far as possible little principle of amount of deflection that load-transfer device produces between carrying roller.The deflection value of load-transfer device between carrying roller is generally no more than 2.5% of idlers pitch.Upper supporting roller spacing at loading place should be smaller, and general spacing is 200~300mm, the desirable 2500~3000mm of snub pulley spacing, or be taken as 6-8 times of upper supporting roller spacing.You Zai branch head, afterbody should respectively arrange one group of transition carrier roller, to reduce the stress of head, tail transition phase belt edges, thereby reduce the damage of belt edges, and the distance between end line of centers and transition carrier roller is generally not more than 300~400mm.
Wherein, the flat carrier roller 12a of a plurality of groove profile carrier rollers 12 middle part offers driving groove 15, and driving groove 15 places are provided with driving chain wheel 13, and driving chain wheel 13 coordinates with messenger chain 7, and driving chain wheel 13 drives by motor 14, as shown in Figure 3.The structure of driving chain wheel 13 is as shown in Figure 11 and Figure 12, and the matching relationship of driving chain wheel 13 and messenger chain 7 as shown in figure 13.
Motor 14 drives coupler, and coupler drives fluid coupling 20, and fluid coupling carries speed reduction gearing, gear 21 and the mutual interlock of driving chain wheel 13 of by speed reduction gearing, exporting, thus the messenger chain 7 of driving chain wheel 13 traction load-transfer devices drives whole conveyer.
As shown in Figure 4, below load-transfer device turning, upper strata load-transfer device, be provided with turning idler 15, turning idler 15 is groove profile carrier roller structure, and its outside carrying roller 15a is higher than inner side carrying roller 15c, and outside carrying roller 15a and inner side carrying roller 15b are provided with the steering gear 16 coordinating with side chain 8.
The flat carrier roller 15b middle part of turning idler 15 offers driving groove, and this driving groove place is provided with driving chain wheel, and this driving chain wheel drives by motor, and coordinates with messenger chain.Motor drives coupler, and coupler drives fluid coupling, and fluid coupling carries speed reduction gearing, the mutual interlock of the gear of exporting by speed reduction gearing and driving chain wheel, the messenger chain 7 of driving chain wheel traction load-transfer device.
At turning, the ratio of the carrying roller radius that the ratio of the turn radius of load-transfer device different parts is corresponding with load-transfer device position equates.
As depicted in figs. 1 and 2, the conveyer that above-mentioned carrying roller arrangement structure is applied comprises frame 100, load-transfer device 200 and is arranged at the carrying roller group 300 of load-transfer device below.Load-transfer device one end is provided with feeding device 1, and the other end is provided with device for discharging 2.Near device for discharging 2 one sides, the below of load-transfer device arranges clearing apparatus 18.
As shown in Figures 5 to 7, load-transfer device is multistage split-type structural, each section of load-transfer device comprises rectangular body 3, the afterbody of body is symmetrical is extended with fan-shaped rack rails installation portion 4, on two rack rails installation portions 4, be provided with fan-shaped concentric I shape rack rails 5, the front end of body is provided with the I shape teeth groove 6 corresponding with rack rails 5.
The bottom centre of body is provided with messenger chain 7, and messenger chain passes from the bottom center line of band, with heat curing system or other effective adhering methods be with bondingly, the center line of band is slightly thick compared with other positions, for wearing chain, provides space.Body is connecting bore 3a before the front end bitch chain place of messenger chain 7 is provided with, connecting bore 3b after bitch chain place, rear end is provided with.The left and right sides of body is provided with side chain 8, and side chain 8 is identical with messenger chain 7 with the method for attachment of load-transfer device.
As shown in Figure 5, the central angle a of rack rails installation portion 4 is less than the central angle b of rack rails 5.
As shown in Figure 8, the last period, the teeth groove 6 of load-transfer device coordinated with the rack rails 5 of rear one section of load-transfer device, at linear portion, formed flexible integral body.As shown in Figure 9, the last period load-transfer device rear connecting bore 3b and the front connecting bore 3a place of rear one section of load-transfer device be provided with upper and lower connecting strap 19, bolt 9 and nut; The diameter of bolt 9 is less than the diameter of front connecting bore 3a and rear connecting bore 3b, thereby make connecting portion, can be axle rotation around bolt.
Because this equipment adopts the messenger chain by carrying roller and load-transfer device center to carry out transmission, therefore head and tail need not arrange friction roll and tightening device again.But be rack rails and the teeth groove of protection load-transfer device, frame head and tail can arrange bend pulley 17, and diameter of cylinder should be large as far as possible.
During conveyer work, material is sent into load-transfer device from feeding device 1, is then transferred band and is delivered to device for discharging 2, then from transporter 23, sees off.The power of load-transfer device is provided by the messenger chain with bottom center.Machine drives coupler, and coupler drives fluid coupling, and fluid coupling carries speed reduction gearing, the mutual interlock of driving chain wheel in the middle of the gear of exporting by speed reduction gearing and backspin rolls, thus the chain of driving chain wheel traction load-transfer device drives whole conveyer.The larger motor of terminal arrangement power of transportation, to draw stretching whole piece load-transfer device, makes chain become the beaer of whole piece band, can regard the tightening device of conventional belt conveyer as.Electric motor starting and while stopping, relying on fluid coupling to relax greatly impact.At two motors, draw in section separately, if load is not identical or the gradient is different, cause running resistance not for the moment, by fluid coupling, also can make whole piece load-transfer device running velocity uniform and stable.
As shown in Fig. 4 and Figure 10, arrow represents material movement direction.During turning, the turn radius of A, B, C, tetra-particular points of D is respectively R1, R2, R3, R4, and each point linear velocity is respectively V1, V2, V3, V4.If the diameter of correspondence position carrying roller is respectively r1, r2, r3, r4, there is r1:r2:r3:r4=R1:R2:R3:R4.The carrying roller guiding of turning, the driving chain wheel in the middle of carrying roller leads to chain, and the carrying roller radius of diverse location is different simultaneously, and the speed that makes this position offer load-transfer device forms difference, and inner side is slow, and outside is fast.Under carrying roller friction force and two side gears and side chain 8 interlock combineds action, the steering gear in outside drives load-transfer device outside to advance with the speed Δ V higher than intermediate chain with linear velocity speed V1, inner side steering gear drives load-transfer device inner side to advance lower than chain speed Δ V with linear velocity V2, make by force this section of load-transfer device turn to, along turning camber line tangential direction, advance.On load-transfer device, tooth bar horizontal throw in both sides is L, and the radius of curvature that chain rotates is R, meets formula Δ V=VL/R, has cireular frequency w=V1/R1=V2/R2=V3/R3=V4/R4.So design can make each position cireular frequency of load-transfer device consistent, reduces the stressed of band, has extended the service life of band.
As shown in Fig. 5 and Figure 10, during turning, it is a that two sections of front and back conveyor belt head turns over radian poor, and the afterbody in load-transfer device outside exposes, and inner tail backward one section of band bottom squeeze is hidden into.Strap end is extended angle while being b, starts to arrange rack rails, and rack rails corner is c, b>a and c>a, and rack rails is positioned in teeth groove all the time, can not expose.Load-transfer device, chain itself all have certain flexibility, and sprocket wheel is provided with guide groove, and chain and sprocket is interlock all the time, progressively guide tow chain, and the auxiliary direction of adjusting, turns to thereby load-transfer device is completed, until recover straight line travelling position.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical personnels in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (2)

1. be applied to a carrying roller arrangement structure for horizontal curvature belt conveyer, described conveyer comprises frame (100) and load-transfer device (200); Described load-transfer device one end is provided with feeding device (1), and the other end is provided with device for discharging (2); It is characterized in that: the carrying roller group (300) that is arranged at described load-transfer device below comprises impact idler (10), flat pattern carrying roller (11) and groove profile carrier roller (12);
Described impact idler (10) is arranged at the below of described feeding device (1); Described flat pattern carrying roller (11) and groove profile carrier roller (12) interval arrange;
Wherein, the middle part of a plurality of described flat pattern carrying rollers (11) offers driving groove (15), or/and the flat carrier roller (12a) of a plurality of described groove profile carrier roller (12) middle part offers driving groove (15); Described driving groove (15) locates to be provided with driving chain wheel (13); Described driving chain wheel (13) drives by motor (14);
At load-transfer device turning, be provided with turning idler (15); Described turning idler (15) is groove profile carrier roller structure, and its outside carrying roller (15a) is higher than inner side carrying roller (15c); Described outside carrying roller (15a) and inner side carrying roller (15b) are provided with the gear (16) coordinating with described side chain (8);
At turning, the ratio of the carrying roller radius that the ratio of the turn radius of described load-transfer device different parts is corresponding with load-transfer device position equates.
2. the carrying roller arrangement structure that is applied to horizontal curvature belt conveyer as claimed in claim 1, it is characterized in that: the flat carrier roller middle part of described turning idler (15) offers driving groove, this driving groove place is provided with driving chain wheel, and this driving chain wheel drives by motor.
CN201410180954.5A 2014-04-30 2014-04-30 Carrier roller arrangement structure for horizontal bending belt conveyer Withdrawn CN103935691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410180954.5A CN103935691A (en) 2014-04-30 2014-04-30 Carrier roller arrangement structure for horizontal bending belt conveyer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410180954.5A CN103935691A (en) 2014-04-30 2014-04-30 Carrier roller arrangement structure for horizontal bending belt conveyer

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CN103935691A true CN103935691A (en) 2014-07-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109920A (en) * 2015-07-29 2015-12-02 中国矿业大学 Power driving device of belt conveyor for mining
CN112504673A (en) * 2020-12-07 2021-03-16 中国科学院重庆绿色智能技术研究院 Carrier roller fault diagnosis method and system based on machine learning and storage medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109920A (en) * 2015-07-29 2015-12-02 中国矿业大学 Power driving device of belt conveyor for mining
CN105109920B (en) * 2015-07-29 2018-03-30 中国矿业大学 A kind of mine belt conveyor power drive unit
CN112504673A (en) * 2020-12-07 2021-03-16 中国科学院重庆绿色智能技术研究院 Carrier roller fault diagnosis method and system based on machine learning and storage medium

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Application publication date: 20140723