CN104132105A - Quick conveying method and device of plate-type quantitative conveyor - Google Patents

Quick conveying method and device of plate-type quantitative conveyor Download PDF

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Publication number
CN104132105A
CN104132105A CN201410398150.2A CN201410398150A CN104132105A CN 104132105 A CN104132105 A CN 104132105A CN 201410398150 A CN201410398150 A CN 201410398150A CN 104132105 A CN104132105 A CN 104132105A
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CN
China
Prior art keywords
chain
drive sprocket
sprocket
pitch
driven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410398150.2A
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Chinese (zh)
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CN104132105B (en
Inventor
刘竞雄
尚仕波
袁华
王洪磊
宫健
王建军
李建华
梁斌
王朝
孙祖明
郝建男
崔义森
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Tiandi Science and Technology Co Ltd
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Tiandi Science and Technology Co Ltd
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Priority to CN201410398150.2A priority Critical patent/CN104132105B/en
Publication of CN104132105A publication Critical patent/CN104132105A/en
Application granted granted Critical
Publication of CN104132105B publication Critical patent/CN104132105B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
    • 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
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/067—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the load carrying surface being formed by plates or platforms attached to more than one traction element
    • 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
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels

Abstract

The invention relates to a quick conveying method and device of a plate-type quantitative conveyor. The device comprises a driving chain wheel set which is driven by a motor and a speed reducer, the driving chain wheel set drives a driven chain wheel set through a chain, and each link plate of the chain is provided with a link slice connected with a conveying scale. The driving chain wheel set comprises two or more primary driving chain wheels, the primary driving chain wheels drive corresponding primary driven chain wheels through chains, all the primary driving chain wheels are mounted side by side, the diameters, the pitches and the tooth profiles of the primary driving chain wheels are the same, and all the primary driving chain wheels are driven by the same drive shaft. The difference of central angles corresponding to the pitches of all the primary driving chain wheels is a/n. According to the method and device, the equant gear tooth arrangement of the central angles corresponding to the pitches is adopted in the arrangement of the side-by-side chain wheels, or two chain wheels which tightly cling together are used for driving a driven chain with secondary meshed rollers, primary meshed rollers are meshed with the secondary meshed rollers alternately, and thus the chain wheels and the chains can be combined more stably.

Description

A kind of rapid transmission method of plate type quantitative conveyor and device
Technical field
The rapid transmission method and the device that the present invention relates to a kind of plate type quantitative conveyor, be a kind of mechanical drive method and device, is a kind of mechanical drive method for board-like mass transport and device.
Background technique
The apron conveyor of delivery of bulk material also will be born the function of weighing with interim storing under some special occasions.For example, in coal mine, the coal excavating must be weighed before entering lift accurately, and falling accident occurs to avoid lift to occur overload.Coal after weighing will have a time of resting, and waits for the arrival of lift, after lift arrives, will accelerate at once, and the coal carrying on conveyor is transported in lift fast.Such process just requires the load bearing process of lift to be: at the uniform velocity bear material---low speed uniform motion is weighed---low-speed motion---accelerated motion---high speed uniform motion.Accelerated motion is wherein very crucial, requires conveyor from low-speed motion, to accelerate to high-speed motion.For boosting productivity, should shorten the time for acceleration as much as possible, material is transferred out fast.Higher accelerations with load is had higher requirement to the drive part of apron conveyor.Because the function of traditional apron conveyor is only conveying material, conveying is at the uniform velocity to advance, during conveyor Acceleration of starting, conventionally do not carry material, substantially the problem of not accelerating with load, therefore, the kind of drive of traditional apron conveyor and system applies are in above-mentioned multi-functional apron conveyor, and its acceleration must be strict controlled in very little scope, otherwise will produce the problems such as chain breakage, impact failure, fatigue damage, but make like this productivity have a greatly reduced quality.
Summary of the invention
In order to overcome the problem of prior art, the present invention proposes a kind of rapid transmission method and device of plate type quantitative conveyor.Described method is by improving the key element of chain transmission, improve chaindriven safe load carrying capacity, successfully manage the problem that load change is large, and according to the chain-driven unit of two kinds of forms of this method proposition, can effectively improve the band load of apron conveyor and accelerate, improve the productivity of conveyor.
The object of the present invention is achieved like this: a kind of rapid transmission method of plate type quantitative conveyor, described method is: when the board-like conveyer chain transmission of design, many group sprocket wheels and chain are set, and in pitch, mean allocation is respectively organized the contact points of sprocket wheel, shortens and respectively organizes the sprocket wheel load time.
Further, described chain wheel set equates with the quantity of chain.
Further, the quantity of described chain wheel set is a times of chain quantity.
A kind of quick transmission devices that uses the plate type quantitative conveyor of above-mentioned method design, comprise: the drive sprocket set being driven by motor and retarder, described drive sprocket set is by chain-driving driven chain wheels, each link plate of described chain is provided with and the nodal plate of carrying scale to be connected, drive sprocket set comprises plural main drive sprocket, described main drive sprocket is by principal and subordinate's movable sprocket corresponding to chain-driving, each main drive sprocket is installed side by side, diameter is identical, pitch is identical, profile of tooth is identical, by same drive shaft, the pitch of each main drive sprocket differs central angle α/ n, wherein αfor pitch institute is to central angle, nit is the number of main drive sprocket.
Further, drive sprocket set described in the present embodiment is provided with main drive sprocket and secondary drive sprocket, described main drive sprocket is installed side by side with secondary drive sprocket, diameter is identical, pitch is identical, profile of tooth is identical, by same drive shaft, share one and pay moving chain; Differential seat angle between the right central angle of described main drive sprocket and the pitch of secondary drive sprocket is pitch to half of central angle; One side of the described link plate of paying moving chain, is provided with gyration center axis perpendicular to the minor axis of chain movement direction in the position of half pitch, and described minor axis is provided with the pair engagement roller with secondary drive sprocket engagement.
Further, described driven chain wheels comprise: from drive sprocket with from secondary driven sprocket; Described from drive sprocket with from secondary driven sprocket, install side by side, diameter is identical, pitch is identical, profile of tooth is identical.
Further, the friction pair between described pair engagement roller and minor axis is a kind of in rolling friction or sliding friction.
The beneficial effect that the present invention produces is: the method for the invention by by a plurality of sprocket wheels side by side according to pitch to being staggered cutting apart of central angle, make the engagement process of sprocket wheel and chain more steady, the intensity of engagement is larger, has solved the problem of the speed change conveying of apron conveyor.Described device adopts said method, arranging of sprocket wheel side by side adopt pitch the gear teeth of the decile of central angle are arranged, or adopt two two sprocket wheels that abut against together, drive one with the moving chain of paying of secondary meshing roller, alternately engagement in main meshing roller and secondary meshing roller, makes the combination of sprocket wheel and chain more steady.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is sprocket tooth form and the traditional sprocket wheel theory of engagement schematic diagram that bears larger load;
Fig. 2 is the sprocket engagement principle schematic of method described in embodiments of the invention one;
Fig. 3 is the principle schematic of device described in embodiments of the invention four;
Fig. 4 is the chain schematic diagram of device described in embodiments of the invention four, is the enlarged view that in Fig. 3, A is ordered;
Fig. 5 is the principle schematic of device described in embodiments of the invention four;
Fig. 6 is the principle schematic of device described in embodiments of the invention five;
Fig. 7 pays the structural representation of moving chain described in embodiments of the invention five, seven;
Fig. 8 is the principle schematic of device described in embodiments of the invention six;
Fig. 9 pays the structural representation of moving chain described in embodiments of the invention seven.
Embodiment
Embodiment one:
The present embodiment is a kind of rapid transmission method of plate type quantitative conveyor, and described method is: when the board-like conveyer chain transmission of design, many group sprocket wheels and chain are set, in pitch, mean allocation is respectively organized the contact points of sprocket wheel, shortens and respectively organizes the sprocket wheel load time.
As previously mentioned, the plate type quantitative conveyor described in the present embodiment need to bear larger static load and movement load, and therefore, the facewidth of its sprocket wheel must be carried out strict strength check, and its result has produced very plump profile of tooth, as shown in Figure 1.So very plump profile of tooth means that the design of sprocket wheel must be limited to larger pitch, to meet this requirement of strength.For the larger sprocket wheel of intended diameter pitch be not a problem more greatly, but in actual design, be limited to the volume of conveyor profile, often can not be according to larger pitch design sprocket wheel.Meanwhile, in sprocket design, for guaranteeing the stationarity of chain movement, conventionally to increase teeth number of sprocket, reduce pitch.Therefore in the situation that load is larger, particularly dynamic load changes in situation greatly, and traditional sprocket wheel and chain design cannot solve carrying, contradiction at a high speed and between steady.
Because gear teeth bearing load is a process gradually, be the process of traditional sprocket wheel bearing load as shown in Figure 1.When gear teeth A drives chain roller a; At this moment gear teeth B starts to touch chain roller b, when gear teeth B drives chain roller b; Gear teeth C starts to contact chain roller c, so continuous circulation.Tradition sprocket wheel the gear teeth when dragging chain movement, the stressed F on the gear teeth 1-F 2-F 3the amplitude of jumping is larger.The force-bearing situation of this gear teeth is poor, and the polygonal of sprocket wheel is corresponding comparatively obvious, is unfavorable for mentioning linear velocity.
The thinking that the present embodiment addresses this problem is that pitch cutting is stressed: a plurality of sprocket wheels in chain wheel set drive many chains, in a pitch, distribute a plurality of contact pointss, make sprocket wheel in loading procedure, constantly have the gear teeth of carrying to add, shorten the independent carrying time of each gear teeth when entering engagement, load is constantly assigned on the engaging tooth of a plurality of sprocket wheels.As shown in Figure 2, on having the basis of sprocket wheel (representing with heavy line in Fig. 1) of the ABC gear teeth, Fig. 1 increased a sprocket wheel with gear teeth HK (representing by fine line in Fig. 1), two sprocket diameters, profile of tooth, pitch are all identical, just differ half pitch, increase a chain simultaneously.When gear teeth A drives chain roller a, gear teeth H is also pulled by chain roller h, is stressed slightly a little bit smaller, gear teeth B drives chain roller b simultaneously, is subject to force rate gear teeth B a little bit smaller, and gear teeth K also drives chain roller k simultaneously, gear teeth C starts to contact chain roller c, so continuous circulation.Engagement situation from Fig. 2, in a pitch, the engaging stress of sprocket wheel and chain is divided into two deciles, from F 1-F 4-F 2-F 5-F 3the stressed amplitude increasing is gradually better than the sprocket wheel shown in Fig. 1, has reduced the impact of polygon effect, has improved linear velocity.
Can also increase the number of sprocket wheel and chain, for example three sprocket wheels and three chains, be divided into trisection by pitch, and the stressed amplitude of sprocket wheel and chain engagement increases more steadily, and the impact of polygon effect further reduces, and linear velocity further improves.Apparent load situation, can also increase more multi-sprocket and chain.
Above-mentioned method increases a sprocket wheel will increase a chain.Because the allowable load of chain is often higher than the allowable load of the gear teeth, therefore, can also make in another way: in the situation that not increasing chain number, increase sprocket wheel, two sprocket wheels share chains, also can realize the method for above-mentioned pitch cutting.For example the side at chain arranges extra roller, with sprocket wheel, drives, and produces the effect of distribution power.
Embodiment two:
The present embodiment is embodiment one improvement, be embodiment about the refinement of sprocket wheel and chain, the chain wheel set described in the present embodiment equates with the quantity of chain.
Embodiment three:
The present embodiment is embodiment one improvement, be embodiment about the refinement of sprocket wheel and chain, the quantity of the chain wheel set described in the present embodiment is a times of chain quantity.
Chain described in the present embodiment is with additional roller, and the roller that these are additional and a sprocket engagement, add and the sprocket wheel of chain engagement, just can produce the stressed effect of pitch cutting.
Embodiment four:
The present embodiment is the quick transmission devices that uses the plate type quantitative conveyor of method design described in above-described embodiment, see Fig. 3, 4, 5, comprise: the drive sprocket set 3 being driven by motor 2 and retarder 1, described drive sprocket set drives driven chain wheels 5 by chain 4, each link plate 401 of described chain is provided with and the nodal plate 402 of carrying scale 403 to be connected, drive sprocket set comprises that plural main drive sprocket (has two main drive sprockets 301 in Fig. 5, 302), described main drive sprocket (has two chains 404 by chain in Fig. 5, 405) drive corresponding principal and subordinate's movable sprocket (in Fig. 5, to have two principal and subordinate's movable sprockets 501, 502), each main drive sprocket is installed side by side, diameter is identical, pitch is identical, profile of tooth is identical, by same live axle 6, driven, the pitch of each main drive sprocket differs central angle α/ n, wherein αfor pitch institute is to central angle, nbe main drive sprocket number (in Fig. 5, have two main drive sprockets, therefore, for α/ 2).
The key of the present embodiment is plural main drive sprocket to be staggered, and makes sprocket wheel enter the stressed more even of engagement, to tackle the motion state producing due to heavily loaded or larger acceleration, changes.
Motor and retarder can be used the conventional AC and DC motor using of apron conveyor, and the speed of motor should be able to regulate, therefore, and the frequency variator that can use variable-frequency motor and match.Retarder can be used conventional cylinder gear speed reducer, or uses turbine and worm retarder etc.
Nodal plate is the bending being connected on connecting plate, becomes 90 degree with the connecting plate of chain, and its effect is that connecting plate is fixed together with carrying scale.The effect of carrying scale is carrying material.
Roller in chain can be used the roller of sliding friction, also can use the roller with rolling element.
Embodiment five:
The present embodiment is embodiment four improvement, is that embodiment four is about the improvement of main drive sprocket and chain, as shown in Figure 6,7.Drive sprocket set described in the present embodiment is provided with main drive sprocket 3011 and secondary drive sprocket 3012, described main drive sprocket is installed side by side with secondary drive sprocket, diameter is identical, pitch is identical, profile of tooth is identical, by same drive shaft, share one and pay moving chain 406; Differential seat angle between the right central angle of described main drive sprocket and the pitch of secondary drive sprocket is that pitch institute is to central angle αhalf ( α/ 2).One side 4062 of the described link plate of paying moving chain, is provided with gyration center axis perpendicular to the minor axis 4061 of chain movement direction in the position of half pitch, described minor axis is provided with the pair engagement roller 4063 with secondary drive sprocket engagement.
Main drive sprocket described in the present embodiment and secondary drive sprocket lean on very closely, to can use roller on a chain simultaneously.Roller (main meshing roller) between two Chain plates of main drive sprocket engagement chain, secondary drive sprocket is engagement pair meshing roller.
Owing to having increased secondary meshing roller, chain with sprocket engagement in, be alternately and main meshing roller and secondary meshing roller between mesh, increased stationarity and the joggled strength of chain and sprocket engagement.
Can also adopt how main drive sprocket in conjunction with two kinds of modes, each main drive sprocket is a subsidiary secondary drive sprocket, and main drive sprocket and secondary drive sprocket drive same to pay chain, form more steady and strong chain transmission.
Embodiment six:
The present embodiment is embodiment five improvement, is that embodiment five is about the improvement of driven chain wheels.Driven chain wheels described in the present embodiment comprise: from drive sprocket 5011 with from secondary driven sprocket 5012.Described from drive sprocket with from secondary driven sprocket, install side by side, diameter is identical, pitch is identical, profile of tooth is identical, as shown in Figure 8.
Because driven sprocket mainly plays the effect of support, and bear excessive load, particularly do not bear acceleration change and the load variations that causes, therefore, can use a driven sprocket, driven sprocket only meshes the main meshing roller of chain.
Embodiment seven:
The present embodiment is embodiment five, six improvement, is embodiment's five, six refinements about secondary meshing roller.Friction pair between pair described in the present embodiment engagement roller and minor axis is a kind of in rolling friction or sliding friction.
Between secondary meshing roller and minor axis, can use sliding bearing, be sliding friction between secondary meshing roller and minor axis, as shown in Figure 7.Also can rolling bearing 4064 be set in secondary meshing roller, as shown in Figure 9, making becomes rolling friction between minor axis and secondary meshing roller.
Finally it should be noted that, below only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred arrangement scheme, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention (such as the form of sprocket wheel chain, partitioning scheme of pitch, each annexation etc.), and not depart from the spirit and scope of technical solution of the present invention.

Claims (7)

1. a rapid transmission method for plate type quantitative conveyor, is characterized in that, described method is: when the board-like conveyer chain transmission of design, many group sprocket wheels and chain are set, in pitch, mean allocation is respectively organized the contact points of sprocket wheel, shortens and respectively organizes the sprocket wheel load time.
2. method according to claim 1, is characterized in that, described chain wheel set equates with the quantity of chain.
3. method according to claim 1, is characterized in that, the quantity of described chain wheel set is a times of chain quantity.
4. right to use requires the quick transmission devices of the plate type quantitative conveyor of the method design described in 1, comprise: the drive sprocket set being driven by motor and retarder, described drive sprocket set is by chain-driving driven chain wheels, each link plate of described chain is provided with and the nodal plate of carrying scale to be connected, drive sprocket set comprises plural main drive sprocket, described main drive sprocket is by principal and subordinate's movable sprocket corresponding to chain-driving, it is characterized in that, each main drive sprocket is installed side by side, diameter is identical, pitch is identical, profile of tooth is identical, by same drive shaft, the pitch of each main drive sprocket differs central angle α/ n, wherein αfor pitch institute is to central angle, nit is the number of main drive sprocket.
5. quick transmission devices according to claim 4, it is characterized in that, drive sprocket set described in the present embodiment is provided with main drive sprocket and secondary drive sprocket, described main drive sprocket is installed side by side with secondary drive sprocket, diameter is identical, pitch is identical, profile of tooth is identical, by same drive shaft, share one and pay moving chain; Differential seat angle between the right central angle of described main drive sprocket and the pitch of secondary drive sprocket is pitch to half of central angle; One side of the described link plate of paying moving chain, is provided with gyration center axis perpendicular to the minor axis of chain movement direction in the position of half pitch, and described minor axis is provided with the pair engagement roller with secondary drive sprocket engagement.
6. quick transmission devices according to claim 5, is characterized in that, described driven chain wheels comprise: from drive sprocket with from secondary driven sprocket; Described from drive sprocket with from secondary driven sprocket, install side by side, diameter is identical, pitch is identical, profile of tooth is identical.
7. according to the quick transmission devices described in claim 5 or 6, its feature exists, and the friction pair between described pair engagement roller and minor axis is a kind of in rolling friction or sliding friction.
CN201410398150.2A 2014-08-14 2014-08-14 A kind of quick transmission devices of plate type quantitative conveyer Expired - Fee Related CN104132105B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276053A (en) * 2016-09-26 2017-01-04 原平市丰汇机械制造有限公司 A kind of flake type rubber conveyer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287957A (en) * 1991-05-08 1994-02-22 Shikoku Kakoki Co, Ltd. Conveyor for transporting containers
JPH0742802A (en) * 1993-08-04 1995-02-10 Daido Kogyo Co Ltd Multi-row chain transmitting device
JP2009083991A (en) * 2007-09-28 2009-04-23 Oshikiri:Kk Endless conveyor
CN202719086U (en) * 2012-08-09 2013-02-06 江阴沐祥节能装饰工程有限公司 Double-chain transmission equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287957A (en) * 1991-05-08 1994-02-22 Shikoku Kakoki Co, Ltd. Conveyor for transporting containers
JPH0742802A (en) * 1993-08-04 1995-02-10 Daido Kogyo Co Ltd Multi-row chain transmitting device
JP2009083991A (en) * 2007-09-28 2009-04-23 Oshikiri:Kk Endless conveyor
CN202719086U (en) * 2012-08-09 2013-02-06 江阴沐祥节能装饰工程有限公司 Double-chain transmission equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276053A (en) * 2016-09-26 2017-01-04 原平市丰汇机械制造有限公司 A kind of flake type rubber conveyer
CN106276053B (en) * 2016-09-26 2022-11-18 原平市丰汇机械制造有限公司 Scale-type rubber belt conveyor

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