CN102837928A - Belt conveyer - Google Patents
Belt conveyer Download PDFInfo
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- CN102837928A CN102837928A CN2012103450006A CN201210345000A CN102837928A CN 102837928 A CN102837928 A CN 102837928A CN 2012103450006 A CN2012103450006 A CN 2012103450006A CN 201210345000 A CN201210345000 A CN 201210345000A CN 102837928 A CN102837928 A CN 102837928A
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- load
- transfer device
- roller
- belt conveyer
- link slot
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Abstract
The invention discloses a belt conveyer, wherein a conveying belt of the belt conveyer is a sectional conveying belt and is formed by connecting a plurality of conveying belt sections; each conveying belt section comprises a head part, a middle part and a tail part; the middle part is belt-shaped; the head part recesses to form a stepped surface; the front end of the stepped surface extends downwards to form a connecting core piece; the upper end of the tail part extends to form a cover part, and the lower end of the tail part is provided with a U-shaped connecting groove; a cavity of the U-shaped connecting groove is matched with the connecting core piece; the connecting core piece of the head part of each conveying belt section is embedded into the U-shaped connecting groove on the tail part of the previous conveying belt section; the stepped surface of the head part is attached to the cover part of the tail part of the previous conveying belt section; and the conveying belt sections are connected in sequence to form the conveying belt. A transmission drum comprises a driving drum and a supporting drum; the driving drum and the supporting drum are provided with inner grooves; the inner grooves are matched with the U-shaped connecting grooves; and in a movement process of the conveying belt, the U-shaped connecting grooves are positioned in the inner grooves when each U-shaped connecting groove is in contact with the driving drum or the supporting drum.
Description
Technical field
The present invention relates to the conveyer field, relate in particular to a kind of belt conveyer.
Background technology
Belt conveyer is a kind of desirable high-efficiency and continuous transportation device, is particularly suitable for the continuous transportation of bulk, powdery goods and materials.Compare with other transportation devices (like the locomotive class), belt conveyer has advantages such as fed distance is long, big, the continuous conveying of freight volume, and reliable, easily is automated with centralization and controls.
Belt conveyer generally comprises following major part: load-transfer device, transmission roller, tightening device, brake equipment and clearing apparatus.
Load-transfer device is enclosed within on the transmission roller and drives the function that realizes conveying by the transmission roller ringwise.Conveying commonly used has two kinds of rubber tape and plastic tapes.Rubber tape is applicable to that between operating ambient temperature-15～40 ° C, temperature of charge is no more than 50 ° of C.Plastic tape has advantages such as oil resistant, acid, alkali, but for the bad adaptability of weather, is prone to skid and wear out.
The transmission roller is a drive element, actuating sleeve load-transfer device running above that.The transmission roller comprises driving roller, supports roller and changed course roller.Driving roller is the major part of transferring power.Support the effect that roller and changed course roller mainly play support belt and change of direction.
The effect of tightening device is to make load-transfer device reach Necessary Tensility, in order to avoid on driving roller, skid, and the amount of deflection of load-transfer device is guaranteed in specialized range.The effect of brake equipment provides emergency braking in case of necessity, and brake equipment can act on driving roller, also can act on the load-transfer device.Clearing apparatus is used for load-transfer device is cleaned, and mainly when changing the conveying goods and materials, uses.
The core component of belt conveyer is a load-transfer device, and load-transfer device plays and carries and transport the material effect.Can load-transfer device must be connected into annular and could use, move on steady and smooth ground so the quality of conveying band joint directly influences the service life and the travel line of load-transfer device.General conveying band joint common method has mechanical splice, cold-adhered joint, heat cure joint etc.
The mechanical splice method is meant uses the belt clamps joint, and this jointing method is convenient convenient, also both economical, but the efficient of joint is low, damages easily, to certain influence is arranged in service life of load-transfer device product.Cold bonding joint method promptly adopts the cold bonding adhesives to carry out joint.This joint way is higher, also both economical than the efficient of mechanical splice, and reasonable joint effect should be able to be arranged, but from practice, because the difficult grasp of technological condition, the influence of the quality butt junction of adhesives is very big in addition, so be not very stable.Heat cure joint method can guarantee high joint efficiency, and simultaneously also highly stable, the joint life-span is also very long, easy master.But there are shortcomings such as technology trouble, expense is high, the joint time is long.
Summary of the invention
The present invention is intended to propose a kind of belt conveyer, and an one of which main improvement aspect is the link that has improved load-transfer device, simultaneously for improve after link adapt, the transmission roller is also improved.
According to one embodiment of the invention, a kind of belt conveyer is proposed, comprise load-transfer device, transmission roller, tightening device, brake equipment and clearing apparatus; Load-transfer device is the sectional type load-transfer device, is connected to form by several load-transfer device sections, and each load-transfer device section comprises head, middle part and afterbody; It is banded that the middle part is; The recessed formation step surface of head, the front end of step surface extends to form the connection chipware downwards, and the afterbody upper end extends to form cap; The afterbody lower end forms U type link slot, the inner chamber of U type link slot be connected chipware and mate; The connection chipware of the head of each load-transfer device section is embedded in the U type link slot of afterbody of previous load-transfer device section, and the cap of the afterbody of the step surface of head and previous load-transfer device section is fitted, and the load-transfer device section is in turn connected to form load-transfer device.The transmission roller comprises driving roller and supports roller that driving roller is two, is separately positioned on the two ends of belt conveyer; Load-transfer device is enclosed within on two driving rollers; It is a plurality of supporting roller, is divided into two row up and down, respectively along the load-transfer device setting; Above-listed support roller is positioned at the load-transfer device below, and following support roller is positioned at the load-transfer device top.Driving roller offers inner groovy with supporting on the roller, inner groovy and U type link slot coupling, and in the load-transfer device moving process, when each U type link slot and driving roller or backing roll socket joint touched, U type link slot was arranged in inner groovy.
In one embodiment, offer two or more of inner groovies on the driving roller, single load-transfer device segment length is along the integral multiple at the interval of driving roller outer perimeter between the adjacent inner groovy.Support on the roller and offer an inner groovy, single load-transfer device segment length is to support the integral multiple of the periphery of roller.The cross section of inner groovy is trapezoidal.
In one embodiment, driving roller is supported roller and is driven by auxiliary drive motor by main CD-ROM drive motor continuous drive, and auxiliary drive motor is intermittent to be opened.
In one embodiment, the height of the step surface that head is recessed is the half the of interior thickness, and the thickness of the cap that the afterbody upper end extends to form also is the half the of interior thickness.Connect between chipware and the U type link slot, and glue coated between step surface and the cap.
The belt conveyer that the present invention proposes adopts the load-transfer device of sectional type; At the head of each load-transfer device section and afterbody setting link towards the inboard; Link is guaranteed the reliable connection between each load-transfer device section, link inwardly protruding with damascene structures.In order to be complementary with this load-transfer device; On the transmission roller, offer inner groovy, when link contacted with the transmission roller, link entered into inner groovy; Inner groovy makes on the one hand and also cooperates the effect of playing accessory drives on the other hand with link by the load-transfer device smooth running.
Description of drawings
Fig. 1 has disclosed the constructional drawing according to the belt conveyer of one embodiment of the invention.
Fig. 2 has disclosed the connection structure according to the load-transfer device of the belt conveyer of one embodiment of the invention.
Fig. 3 has disclosed the structure according to a load-transfer device section in the load-transfer device of the belt conveyer of one embodiment of the invention.
Fig. 4 a and Fig. 4 b have disclosed the structure according to the transmission roller of the belt conveyer of one embodiment of the invention.
Fig. 5 disclosed according to the load-transfer device of the belt conveyer of one embodiment of the invention with transmit the structure that roller cooperates.
The specific embodiment
With reference to shown in Figure 1, Fig. 1 has disclosed the constructional drawing according to the belt conveyer of one embodiment of the invention.This belt conveyer 100 comprises load-transfer device 200, transmission roller 300, tightening device, brake equipment and clearing apparatus.The main improvement of belt conveyer 100 of the present invention is to load-transfer device 200 and transmission roller 300, and therefore tightening device, brake equipment and clearing apparatus and of the prior art similar no longer illustrate in the drawings, also repeat no more here.With reference to shown in Figure 1, load-transfer device 200 is enclosed within on the transmission roller 300.Transmission roller 300 comprises driving roller 302 and supports roller 304.Driving roller 302 is two, is separately positioned on the two ends of belt conveyer 100, and driving roller 302 is connected to main CD-ROM drive motor, and driving roller 302 is main drive elements of conveyer, by main CD-ROM drive motor continuous drive operation.Load-transfer device 200 is enclosed within on two driving rollers 302, and it is a plurality of supporting roller 304, is divided into two row up and down, is provided with along load-transfer device 200 respectively, and above-listed support roller 304 is positioned at load-transfer device 200 belows, and following support roller 304 is positioned at load-transfer device 200 tops.Load-transfer device 200 is by the tightening device tensioning, but in some applications, load-transfer device 200 can be longer.At this moment, needing to support roller 304 comes the stage casing of load-transfer device 200 is supported.Support roller 302 and driven by auxiliary drive motor, the radical function that supports roller 304 is to support, but when being necessary, also can carry out the driving of a part.In one embodiment, support roller 304 and driven by auxiliary drive motor, auxiliary drive motor is intermittent to be opened, and only opens when needed.
The load-transfer device 200 that this belt conveyer 100 uses is sectional type load-transfer devices, and this sectional type load-transfer device is connected to form by several load-transfer device sections.With reference to shown in Figure 3, Fig. 3 has disclosed the structure according to a load-transfer device section in the load-transfer device 200 of the belt conveyer of one embodiment of the invention.Each load-transfer device section comprises head 202, middle part 204 and afterbody 206.It is banded that middle part 204 is, and thickness is even.Head 202 recessed formation step surfaces 220, the front end of step surface 220 extend to form downwards and connect chipware 222.As shown in Figure 3, the height of the step surface 220 that head is recessed is thickness half the at middle part 204.Afterbody 206 upper ends extend to form cap 260, and with reference to shown in Figure 3, the thickness of the cap 260 that afterbody 206 upper ends extend to form is the half the of middle part 204 thickness.Because the thickness of step surface 220 and cap 260 is the half the of middle part 204 thickness; After both fit each other; The thickness of combination just in time equals the thickness at middle part, so just can make that the thickness of load-transfer device section connecting portion is consistent with remainder, keeps the whole smooth of load-transfer device.Afterbody 206 lower ends form U type link slot 262, the inner chamber of U type link slot 262 with is connected chipware 222 couplings, promptly the shape and size of the inner chamber of U type link slot 262 are all consistent with connection chipware 222, connection chipware 222 can be embedded in the U type link slot 262.
With reference to shown in Figure 2, Fig. 2 has disclosed the connection structure according to the load-transfer device of the belt conveyer of one embodiment of the invention.When connecting; The connection chipware 222 of the head 202 of each load-transfer device section is embedded in the U type link slot 262 of afterbody 206 of previous load-transfer device section; The step surface 220 of head 202 is fitted with the cap of the afterbody 206 of previous load-transfer device section 260, and each load-transfer device section is in turn connected to form load-transfer device.Because connect the inboard that chipware 222 and U type link slot 262 all are positioned at load-transfer device; And the thickness after 260 combinations of step surface 220 and cap equates with the thickness at middle part 204; Therefore at the upper surface of load-transfer device; The surface of promptly transporting can remain smooth, and can not occur in the junction rising and falling.Embedded structure is adopted in the connection of this sectional type load-transfer device 200, makes that connection is more firm.Simultaneously,, can also connect between chipware 222 and the U type link slot 262 for the connection that makes that each load-transfer device section can be more firm, and glue coated between step surface 220 and the cap 260, the bonding above-mentioned parts of glue.
The link of Fig. 2 and load-transfer device shown in Figure 3 is protruding to the inside, and in order to make this convexity not have influence on the rotation that transmits roller, the present invention has also carried out special design to transmitting roller.With reference to figure 4a and Fig. 4 b, Fig. 4 a and Fig. 4 b have disclosed the structure according to the transmission roller of the belt conveyer of one embodiment of the invention, and wherein Fig. 4 a has disclosed the structure of driving roller 302, and Fig. 4 b has disclosed the structure that supports roller 304.Driving roller 302 all offers inner groovy 306 with supporting on the roller 304; Inner groovy 306 and U type link slot 262 couplings; In load-transfer device 200 moving process, each U type link slot 262 and driving roller 302 or when supporting roller 304 and contacting, U type link slot 262 is arranged in inner groovy 306.
Fig. 5 disclosed according to the load-transfer device of the belt conveyer of one embodiment of the invention with transmit the structure that roller cooperates.Transmit roller 300; Comprise that driving roller 302 all has inner groovy 306 with supporting on the roller 304; The cross section of inner groovy 306 is trapezoidal, and it is to mate with the outline of U type link slot 262 in order to be more prone to that inner groovy 302 is designed to down trapezoidal purpose, and the top width of inner groovy 306 is greater than the width of U type link slot 262; The bottom width of inner groovy 306 is less than top width, and the bottom width of inner groovy 306 can be slightly larger than the width of U type link slot 262 or equal the width of U type link slot 262.The degree of depth of inner groovy 306 equals or is slightly larger than the outline height of U type link slot 262.In order to make load-transfer device 200 link in moving process, promptly U type link slot 262 can enter into inner groovy 306.Done following design for driving roller 302, the length that supports each load-transfer device section of roller 304 and load-transfer device 200:
Offer two or more of inner groovies 306 on the driving roller 302,, offer two inner groovies 306 along the diameter of driving roller 302 such as on the driving roller shown in Fig. 4 a 302.Single load-transfer device segment length is along the integral multiple at the interval of driving roller 302 outer perimeters between the adjacent inner groovy 306.Because between the link is the length of single load-transfer device section at interval; This single load-transfer device segment length is designed between the adjacent inner groovy 306 just can guarantee that along the integral multiple at the interval of driving roller 302 outer perimeters each link can both enter into inner groovy.
Support on the roller 304 and offer an inner groovy 306, shown in Fig. 4 b, single load-transfer device segment length is to support the integral multiple of the periphery of roller 304.Same reason can guarantee that with the integral multiple that the periphery of roller 304 is supported in this single load-transfer device segment length design each link can both enter into inner groovy.
Through the size relationship between the length that transmits roller and each load-transfer device section rationally is set, can be so that the link on the load-transfer device can both enter into the inner groovy 306 that transmits on the roller 300 at every turn.Like this, U type link slot 262 can be inserted in the inner groovy 306, to guarantee operating steadily of load-transfer device, and can be because of the 262 inwardly protruded former thereby appearance fluctuatings of U type link slot.Simultaneously, when U type link slot 262 was arranged in inner groovy 306, inner groovy 306 can produce lateral thrust to U type link slot 262, moved with the auxiliary load-transfer device that promotes, and this structure can also play the effect of accessory drives.
The belt conveyer that the present invention proposes adopts the load-transfer device of sectional type; At the head of each load-transfer device section and afterbody setting link towards the inboard; Link is guaranteed the reliable connection between each load-transfer device section, link inwardly protruding with damascene structures.In order to be complementary with this load-transfer device; On the transmission roller, offer inner groovy, when link contacted with the transmission roller, link entered into inner groovy; Inner groovy makes on the one hand and also cooperates the effect of playing accessory drives on the other hand with link by the load-transfer device smooth running.
Claims (7)
1. a belt conveyer comprises load-transfer device, transmission roller, tightening device, brake equipment and clearing apparatus, it is characterized in that,
Said load-transfer device is the sectional type load-transfer device, is connected to form by several load-transfer device sections, and each load-transfer device section comprises head, middle part and afterbody; It is banded that the middle part is; The recessed formation step surface of head, the front end of step surface extends to form the connection chipware downwards, and the afterbody upper end extends to form cap; The afterbody lower end forms U type link slot, the inner chamber of said U type link slot and the said chipware coupling that is connected; The connection chipware of the head of each load-transfer device section is embedded in the U type link slot of afterbody of previous load-transfer device section, and the cap of the afterbody of the step surface of head and previous load-transfer device section is fitted, and the load-transfer device section is in turn connected to form load-transfer device;
Said transmission roller comprises driving roller and supports roller that driving roller is two, is separately positioned on the two ends of belt conveyer; Said load-transfer device is enclosed within on two driving rollers; It is a plurality of supporting roller, is divided into two row up and down, respectively along the load-transfer device setting; Above-listed support roller is positioned at the load-transfer device below, and following support roller is positioned at the load-transfer device top;
Said driving roller offers inner groovy with supporting on the roller, inner groovy and U type link slot coupling, and in the load-transfer device moving process, when each U type link slot and driving roller or backing roll socket joint touched, U type link slot was arranged in said inner groovy.
2. belt conveyer as claimed in claim 1 is characterized in that, offers two or more of inner groovies on the driving roller, and single load-transfer device segment length is along the integral multiple at the interval of driving roller outer perimeter between the adjacent inner groovy.
3. belt conveyer as claimed in claim 2 is characterized in that, supports on the roller and offers an inner groovy, and single load-transfer device segment length is to support the integral multiple of the periphery of roller.
4. belt conveyer as claimed in claim 3 is characterized in that the cross section of said inner groovy is trapezoidal.
5. belt conveyer as claimed in claim 1 is characterized in that, said driving roller is by main CD-ROM drive motor continuous drive, and said support roller is driven by auxiliary drive motor, and auxiliary drive motor is intermittent to be opened.
6. belt conveyer as claimed in claim 1 is characterized in that, the height of the step surface that head is recessed is the half the of interior thickness, and the thickness of the cap that the afterbody upper end extends to form also is the half the of interior thickness.
7. belt conveyer as claimed in claim 6 is characterized in that, between said connection chipware and the U type link slot, and glue coated between step surface and the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103450006A CN102837928A (en) | 2012-09-18 | 2012-09-18 | Belt conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103450006A CN102837928A (en) | 2012-09-18 | 2012-09-18 | Belt conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102837928A true CN102837928A (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103450006A Pending CN102837928A (en) | 2012-09-18 | 2012-09-18 | Belt conveyer |
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| CN (1) | CN102837928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850481A (en) * | 2015-07-01 | 2018-03-27 | 福伊特专利有限公司 | For the method and apparatus for the specific energy consumption for determining ribbon conveyer |
| CN108409096A (en) * | 2018-04-17 | 2018-08-17 | 安徽睿知信信息科技有限公司 | A kind of modified sewage disposal sludge drying device |
| CN112224750A (en) * | 2020-11-03 | 2021-01-15 | 青岛三联金属结构有限公司 | Idler guide and auxiliary drive conveying material transmission system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08193644A (en) * | 1995-01-12 | 1996-07-30 | Taiyo:Kk | Joint for conveyor belt |
| US20040200697A1 (en) * | 2001-08-28 | 2004-10-14 | Gundlach James O. | Modular conveyor belt with non-circular hinge pin |
| CN2698744Y (en) * | 2004-01-29 | 2005-05-11 | 青岛华夏胶带有限公司 | Steel cable conveyor belt with corrugated baffle |
| JP2006513115A (en) * | 2003-01-06 | 2006-04-20 | レイトラム リミテッド ライアビリティー カンパニー | Flexible flight modules on modular plastic conveyor belts |
| US7070043B1 (en) * | 2005-06-08 | 2006-07-04 | Laitram, L.L.C. | Modular plastic conveyor belt suitable for tight turns |
| CN1880197A (en) * | 2005-06-17 | 2006-12-20 | 上海高罗输送装备有限公司 | Belt conveyer roller structure capable of being detached wrapped rubber |
| CN201109622Y (en) * | 2007-12-13 | 2008-09-03 | 重庆广播电视大学 | Guiding belt type conveyer |
| CN101293594A (en) * | 2007-09-29 | 2008-10-29 | 张建平 | Distant range traction slide conveyer belt apparatus |
| CN202321462U (en) * | 2011-12-02 | 2012-07-11 | 山东瀚邦胶带有限公司 | Novel connection structure for mine conveying belt |
-
2012
- 2012-09-18 CN CN2012103450006A patent/CN102837928A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08193644A (en) * | 1995-01-12 | 1996-07-30 | Taiyo:Kk | Joint for conveyor belt |
| US20040200697A1 (en) * | 2001-08-28 | 2004-10-14 | Gundlach James O. | Modular conveyor belt with non-circular hinge pin |
| JP2006513115A (en) * | 2003-01-06 | 2006-04-20 | レイトラム リミテッド ライアビリティー カンパニー | Flexible flight modules on modular plastic conveyor belts |
| CN2698744Y (en) * | 2004-01-29 | 2005-05-11 | 青岛华夏胶带有限公司 | Steel cable conveyor belt with corrugated baffle |
| US7070043B1 (en) * | 2005-06-08 | 2006-07-04 | Laitram, L.L.C. | Modular plastic conveyor belt suitable for tight turns |
| CN1880197A (en) * | 2005-06-17 | 2006-12-20 | 上海高罗输送装备有限公司 | Belt conveyer roller structure capable of being detached wrapped rubber |
| CN101293594A (en) * | 2007-09-29 | 2008-10-29 | 张建平 | Distant range traction slide conveyer belt apparatus |
| CN201109622Y (en) * | 2007-12-13 | 2008-09-03 | 重庆广播电视大学 | Guiding belt type conveyer |
| CN202321462U (en) * | 2011-12-02 | 2012-07-11 | 山东瀚邦胶带有限公司 | Novel connection structure for mine conveying belt |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850481A (en) * | 2015-07-01 | 2018-03-27 | 福伊特专利有限公司 | For the method and apparatus for the specific energy consumption for determining ribbon conveyer |
| CN108409096A (en) * | 2018-04-17 | 2018-08-17 | 安徽睿知信信息科技有限公司 | A kind of modified sewage disposal sludge drying device |
| CN112224750A (en) * | 2020-11-03 | 2021-01-15 | 青岛三联金属结构有限公司 | Idler guide and auxiliary drive conveying material transmission system |
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Application publication date: 20121226 |