CN1045077A

CN1045077A - Linear drive conveyor

Info

Publication number: CN1045077A
Application number: CN 90101003
Authority: CN
Inventors: 艾伦·霍奇森; 阿伦·理士满
Original assignee: Huwood Ltd
Current assignee: Huwood Ltd
Priority date: 1989-02-25
Filing date: 1990-02-24
Publication date: 1990-09-05
Also published as: AU5165890A; WO1990009942A1

Abstract

The present invention relates to a kind of belt conveyer, comprise the flexible rotor device of guide rail of at least one endless belt and longitudinal extension, particularly have a kind of linear motor driven system.It is fit to the delivery of bulk material.Conveying has the loading support section, and the guide rail rotor arrangement stretches out in the outside of the loading support section that leaves loading conveyor surface and band.Conveyer is with support and guiding device and linear motor stator in addition.The guide rail rotor be arranged on the stator mutual action of this rotor side, Linear Driving guide rail, and then rotating band and material move, thus realize the purpose of carrying.

Description

Linear drive conveyor

The present invention relates to endless belt conveyer, particularly relate to conveyer with improvement actuating device.

Usually, the endless belt of conveyer is by friction-driven, and extends out around large diameter drive wheel or driven roller substantially, by wheel or roller transmission of power to the endless belt.Therefore, clearly this just requires the endless belt to have suitable strong design, so that can be along the propulsive effort of very long band path delivery request, this band has special pulling force bearing piece such as wirerope along its length requirement usually.This requirement has caused quite high manufacturing cost on the one hand, and on the other hand, if band damages, can produce the significant problem of repairing aspect.

Once the someone advised providing in the conveyer by the linear motor driven load-transfer device tradition load-transfer device flat or the band groove, had electromagnetism conductor spare to be embedded under the mass transport face in this band.So far, this suggestion fails to implement in a large number, mainly is because there are many practical problemss in it, as: " cleaning " low electrical efficiency that the bottom surface produced of being arranged to face band by the linear motor stator component.Another major defect of this band is that they only can be carried along straight line.

The somebody once advised being called the conveyer of " bag " formula, see WO87/03565, wherein Dai corresponding edge is bonded with each other and is sealed, and band and its loading are suspended from jointing edge, and contains the special pulling force bearing piece such as wirerope on inherent its length of jointing edge.This set allows band to pass through the very segmental arc of minor diameter, but above-mentioned high manufacturing cost, the problems such as maintenance that band damages still exist.

Therefore, purpose of the present invention is exactly to eliminate or to reduce above-mentioned shortcoming.

The invention provides an endless belt conveyer, has an endless belt at least, this has a loading support section, basically the flexible rotor device of guide rail of longitudinal extension, this device stretches out and is the outside of loading support section at band substantially along a drive part of band path at least, leave the loading conveyor surface of above-mentioned loading support section, described conveyer has support and the guiding device and the linear motor stator apparatus of endless belt, the mutual action with described linear motor stator apparatus is convenient in the formation of described guide rail rotor arrangement and setting, stator apparatus is along the side setting of described guide rail rotor arrangement, so that described guide rail rotor arrangement is applied propulsive effort, and then drive described band.

The guide rail rotor arrangement comprises the longitudinal extension lateral edge portions of the band in the loading center support part outside, or leaving the loading conveyor surface of endless belt, preferably leave the rib or the schistose texture of the outwardly directed longitudinal extension basically of reverse side or bottom surface of band of the center loading support section of band.This configuration can make the guide rail rotor keep extending around rotor arrangement basically, and the electricity and/or the magnetic that are used for strengthening between rotor arrangement and the stator apparatus connect or mutual action, thereby improve motor driven efficient.No matter the present invention can adopt various forms of conveying annular bands in the groove belt conveyer still is being called the belt conveyer of " bag ", wherein being with in respective side has the sealed engagement part, and this respective side is retained on together along the part of the carrying path form with sealed engagement at least.

Conveyer of the present invention can adopt various forms of linear motors and multi-form flexible rotor device of guide rail and linear motor stator apparatus or their combination.Also available a kind of induction type linear motor, wherein flexible rotor device of guide rail is a continuous electric form of conductors, that is: copper or aluminum strip or web or a plurality of transversely arranged electric conductor ring that is provided with at interval closely and regularly along flexible guide rail motor apparatus length.This motor is also referred to as synchronous motor, has good starting torque, and therefore the operation when conveyer relates under the situation of starting repeatedly and stopping, and should be preferred consideration.It also can be attached to another conveyer system, assists the starting by the load-transfer device of another kind of linear motor driven.

Synchronous linear motor generally includes the flexible guide rail rotor that has a plurality of rules set of poles at interval, but described magnetic pole permanent type or electromagnetic type.Pole span is corresponding to the pole span that produces in the stator unit, and the formation of stator apparatus and setting are convenient to when being excited by suitable electric current, produces one-period magnetic field (along guide rail rotor longitudinal movement) at this, is used for and guide rail rotor magnetic pole mutual action.

Another kind of adoptable linear motor is stepping or magnetic resistance motor, and wherein the flexible guide rail rotor has at interval magnetic material of a plurality of rules (as, iron) utmost point device, and they are with a fixing pole span setting, and is different from the pole span of the magnetic pole that stator unit produces.More particularly, the formation of stator unit and be provided with and normally be convenient to provide electric current to it changes the generation of a plurality of magnetic poles that vertically replace along the guide rail rotor, subsequently with guide rail rotor magnetic pole mutual action.The present invention yet can adopt asynchronous motor.

Further aspect of the present invention provides the endless belt that is suitable for belt conveyer of the present invention, wherein said band is in the outside of a center loading support section, two longitudinal edge portions are arranged on opposite side, and flexible character of flexible ribs or schistose texture at the outwardly directed longitudinal extension basically of reverse side or bottom surface of the band of the loading conveyor surface that leaves band arranged, and form a flexible rotor device of guide rail, the formation of described guide rail rotor arrangement and being provided in the use of conveyer and a linear motor stator apparatus mutual action, thereby the guide rail rotor arrangement is applied propulsive effort, and then drive the endless belt.

In another aspect of this invention, a cycloconveyor belt that is suitable for the endless belt conveyer is provided, this band comprises two longitudinal edge portions on the relative edge, there is the longitudinally extending seal bonding part this marginal portion, be easy to mutual sealed engagement between them, when conveyer uses, sealed engagement is realized along the part of mass transport path at least in described marginal portion, thereby limit a cartridge type mass transport part basically, by roller (guide) apron, the described sealed engagement part of retainer belt is the mutual sealed engagement of part of the mass transport passage of edge band at least, on one of them described lateral edge portions a flexible rotor device of guide rail of longitudinal extension is basically arranged, basically be arranged on the outside of sealed engagement part and in the use of band with linear motor stator apparatus mutual action, so that described guide rail rotor arrangement is applied propulsive effort, and then drive described endless belt.

Additional aspects of the present invention provide a kind of endless belt conveyer, comprise at least one endless belt, this band has two longitudinal edge portions at the opposite side of the band in the outside of center loading support section, one of them described lateral edge portions has a flexible rotor device of guide rail of longitudinal extension basically, and described conveyer has its support and guiding device and linear motor stator apparatus.The mutual action with described linear motor stator apparatus is convenient in the formation of described guide rail rotor arrangement and setting, described stator apparatus is arranged on the side of described guide rail rotor arrangement, when conveyer uses, described guide rail rotor arrangement is applied propulsive effort, and then drive described load-transfer device.

Of the present invention further aspect in, a kind of endless belt conveyer is provided, comprise at least one endless belt, this band has two longitudinal edge portions at the opposite side of band, this part has the longitudinally extending seal bonding part, be easy to when conveyer uses, at least along the mutual sealed engagement of the part of mass transport path, thereby limit a tube-shaped material transport portion basically, one of them described lateral edge portions has a flexible rotor device of guide rail of longitudinal extension basically, basically be arranged on the outside of sealed engagement part, described conveyer has roller (guide) apron, the described sealed engagement part that is used for retainer belt is at least along the mutual sealed engagement of the part of the mass transport passage of band, described conveyer also has the linear motor stator apparatus, the mutual action with described linear motor stator apparatus is convenient in the formation of described guide rail rotor arrangement and setting, described stator apparatus is arranged on the side of described guide rail rotor arrangement, when conveyer turns round, described guide rail rotor arrangement is applied propulsive effort, and then drive described load-transfer device.

Load-transfer device is preferably supported by described support and guiding device, so that at least one lateral edge portions perpendicular of described guide rail rotor arrangement is extended, dispose and/or the formation of described stator apparatus and the opposite side extension that setting is convenient to center on described guide rail rotor arrangement thereby help the best relative of guide rail rotor arrangement and linear motor stator apparatus.

If necessary, can a plurality of linear motor stator apparatus be set, also be used for supporting described guide rail rotor arrangement, and then support described band along conveyer.Guiding also can be set and support the guiding and the support roller device of described band, so stator apparatus only requires vertical driving, like this stator apparatus can large-spacing as mutually at a distance of the setting of 100-500 rice.

Adopt endless belt conveyer of the present invention, suitable actv. linear motor driven can be provided, and have the common advantage of various linear motor driven, as reduce friction, no-rotary part has increased stability, but no matter quicken or the deceleration situation under high-speed driving and operation easily.In addition, owing to be provided with a plurality of linear motor stators along carrying path, thereby maximum band propulsive effort can directly be provided, and also need most in these positions.Thereby also correspondingly reduced by take turns the transmission of the big propulsive effort of the entire belt length of returning from the backhaul of conveyer one end.Conversely, will allow to adopt light-duty band structure like this, and need be such as the special pulling force bearing piece of wirerope.The danger that band damages also reduces widely.Even the repairing of band is also simplified greatly.Because the belt edge partial engagement together, load-transfer device also is easy to segmental arc and the bending section of green phase when minor radius in addition.The material of carrying is kept basically, thus avoided being scattered and the loss of material that causes by being scattered or/and cause the damage of conveyer.

One of them belt edge part preferably constitutes and abutment means is set, and is used for being contained in a roller arrangement engagement in the rotating shaft, and roller arrangement has a substantially horizontal assembly, is used for the weight of support belt basically and its content.The marginal portion sealed engagement that helps retainer belt at a plurality of roller arrangements of couple positioned opposite of band together.

According to the present invention, can use the flexible rotor device of guide rail of special shape, comprise various forms of electromagnetism conductors continuous or that be interrupted section and rule magnetic cell at interval, and the magnetic pole of relative polarity is along the length alternate of flexible guide rail rotor, this variation is according to the kind of the above-mentioned linear motor that adopts and requires flexible degree on guide rail, as depend on band the turning that can pass through arc radius and whether guide rail to require be to turn on level and/or vertical surface.Therefore for example for continuous suitable metal of linear step motor employing or alloy as the fexible conductor of copper plated steel, iron brass or aluminum alloy etc.; Or for a segmentation of the linear motor of core structure configuration be the channel form guide rail basically, this guide rail is by forming the outermost free edge of the main body of this part coiling rubber or similar flexible electrically nonconducting material band near the part that is provided with at interval substantially.Similar segment structure with magnetic material (as: iron or steel) or Magnetized Material can form stepping, the pedestal of magnetic resistance or synchronous linear motor.

Suitable especially linear motor drive stator apparatus also can be used for conveyer of the present invention, comprise basically the stator apparatus that is " U " or " C " type cross section, it can be arranged to make the main portion of guide rail rotor arrangement to stretch into or " U " or " C " type cross section of packing in so that improve electromagnetism bonded assembly efficient between stator apparatus and the rotor arrangement.The type of stator will depend on the special shape of guide rail rotor of the classification of linear motor of employing and employing and/or the form of electric power input.

Can recognize that also the present invention can adopt more complicated rotor arrangement and dissimilar stator apparatus, as: can require to use a kind of motor such as stepper motor to start conveyer, and the running that another kind of motor such as synchronous motor are responsible for keeping conveyer.

Further preferable feature of the present invention and advantage will be described below according to following several preferred embodiments by way of example in conjunction with the accompanying drawings:

Fig. 1 is the section-drawing of the main portion of first belt conveyer of the present invention;

Fig. 2 is the section-drawing of second belt conveyer of the present invention;

Fig. 3 be among Fig. 2 with detailed plan view, represented flexible guide rail;

Fig. 4 is the fragmentary cross-sectional view of third embodiment of the invention;

Fig. 5 is the diagram of magnetic field and electric current loop configuration among the described embodiment of Fig. 4;

Fig. 6 and Fig. 7 are the detailed cross sectional view of the further embodiment of the present invention;

Fig. 8 is that belt conveyer of the present invention is installed the planar view that is provided with;

Fig. 9 is the section-drawing on X among Fig. 8-X plane;

Figure 10 and 11 is similar diagrams of further mounting means of the present invention;

Figure 12 is the section-drawing on VIII among Figure 11-VIII plane;

Figure 13 is the detailed perspective view that is used for the multi-form guide rail rotor of synchronous linear motor drive system;

Figure 14 is the vertical cross-section diagram of another kind of form-pocket conveyer of the present invention;

Figure 15 is the profile perspective of the third embodiment of the present invention.

Fig. 1 has represented a kind of endless belt conveyer 1, and it comprises the endless belt 2 of a slat gum or similar material, and this has two edges with 2 the corresponding vertically

longitudinal edge portions

3,4 of the increasing on limit 5 with 2.Strengthen

lateral edge portions

3,4 with known usually method shaping (as seeing international patent application No.WO87/03565), and together along carrying path part sealed engagement, it is moving between near vertical axis deflector roll 6 at interval in carrying path, and shown in the tilt axis backing roll 7(long and short dash line) above mobile.Lateral edge portions 4 is positioned on the lateral edge portions 3 and protrudes upward a flexible metal conductor bar 8 on its whole length and forms a guide rail rotor, this rotor moves between the arm 9 of linear motor drive stator 10, and described arm 9 is mutually near being provided with at interval and between the respective arms 9 of every side 12 of flexible " guide rail " part 8 and stator 10 a little a. g. 11 being arranged.Stator 10 is added energy so that cause the motion of translation of rail guide piece 8.

As can be seen from Figure 1, core with 2 14 limits a tube-shape bag basically, can fill loose unpacked material 14 in it and carries.Fig. 2 and 3 shows a substantially similar conveyer 1, it comprises a slightly different

belt edge part

15,16, with 2 can be supported and the marginal portion by keeping their sealed engagement to be in the same place with backing roll 17 in the inclined lead that is oppositely arranged with every side of 2.Roller 17 rotatably is contained on the strut member 19 by axle 18, and strut member 19 is attached on the conveyer supporting frame 20.In this example, a lateral edges 16 have one vertically upward stretch out web 21, imbed ferromagnetic metal cable 22 in the web, this cable 22 is along with 2 longitudinal extension.A plurality of in addition aluminium that are " U " type cross section basically or copper section 23 are with approaching interval 24 coiling rubber webs 21.These aluminium or copper section 23 are fixed in its position by aluminium rivet 25, in the middle of the end 26 of rivet 25 sections of passing 23, web 21 are arranged on.Rivet 25 also forms a complete closure ring circuit by section 23.This special form of segmentation " guide rail " can provide than flexible greatly among Fig. 1 embodiment, thereby helps to arrange load-transfer device no matter in still on a vertical plane turning of level.

Fig. 4 shows another embodiment, and wherein the shape of Dai

lateral edges

3,4 is fit to the guide rolls support of using that embodiment adopted among mutual sealed engagement and suitable Fig. 1.In this embodiment,, have in the web 21 and strengthen knitting bar 27 and extend, thereby help bearing between the backing roll in succession with 2 and the weight of loose unpacked material 14 on it along web 21 though lateral edge portions 4 has a web 21 that is similar among Fig. 2 embodiment.The aluminium section is fixed on the web 21 by means of aluminium rivet 25 with the similar method of Fig. 2, but a pair of steel bar 28 is along being with extension and clamp-oning between the opposite side 29 of aluminium section 23 and web 21.Steel bar 28 is separated by a little a. g. 30 back to the free edge 31 of web 21, so that separate their magnetic field, following describes in conjunction with Fig. 5.For the sake of clarity, linear motor drive stator 10 is not shown among Fig. 4.

Fig. 5 represents with solid line with the inducing current ring 32(that graphic form shows on guide rail section 23, and extending through and dotting around stator 10(among Fig. 4 embodiment) magnetic field 33 between mutual action.

Fig. 6 and 7 has represented the further change shape of lateral edges.In Fig. 7, can notice that each lateral edges 35,36 comprises a longitudinal extension conductor bar 37.

Fig. 8 shows the mounting means of conveyer, wherein carries and returns

side

38,39 and see from vertical cross-section and be arranged to (see figure 9) on another in the main portion of band path.At one end, with 2 be arranged to walk around a vertical axis return cylinder 38, and at the other end, that walks around a horizontal axis returns cylinder 39.Except that loading terminal 40, the main portion that band passes carrying path always keeps

marginal portion

3,4 sealed engagement together.And in loading terminal, the marginal portion separates, and its degree of separation is enough to allow loose unpacked material to send into the inside of 41 bands.When loose unpacked material 42 draws off, be opened into flat basically shape once more and return cylinder 39 by horizontal axis with 2.

Figure 10 shows a substantially similar setting, but in this example, no matter return the axis that cylinder 38 still returns cylinder 43 and all be arranged to vertical axis, and band is arranged further to pass through two other vertical axis cylinder 44, requires to change the direction of passage of band on the position of two cylinders 44.In this example, no matter in loading terminal 41 or at discharge terminal 45, band only part is opened.Mounting means among Figure 11 is substantially similar to the mode among Figure 10, only is the conveying and the backhaul side 46,47th of conveyer band path, (the seeing Figure 12) that is arranged side by side.

From above-mentioned can finding out for example, " flexible guide rail " that protrude upward a perpendicular from the main body of being with has further advantages, the little a. g. of the necessity between " guide rail " and linear motor drive stator can be easy to remain on necessary levels of precision, and this is because this part of band has nothing to do with any charging of passing a. g. in the horizontal direction basically.Because the weight of band and the loose unpacked material in it supports (being supported by band itself) by roller basically between roller, so linear motor drive is only required on the path direction of band propulsive effort is provided, and do not need the weight of support belt and loose unpacked material and keep vertical air gap between rotor arrangement and the stator apparatus.

As mentioned above, also can adopt other forms of linear motor driven.Figure 13 shows the part of the flexible guide rail rotor that is used for synchronous linear motor, wherein a web that protrudes upward 21 is arranged with lateral edge portions 3, be provided with series of rules permanent magnetic spare 48 at interval on it, magnetic pole is along " flexible guide rail " alternate.

Figure 14 has represented to be substantially similar to " bag " formula conveyer of the disclosed form of WO89/01451.Wherein load-transfer device 2 has a central longitudinal to stretch rib 49 along its bottom surface 50.Electricity is led Metal Flake guide rail rotor 8 and is stretched out downward vertically and move between the arm 9 of stator 10 from rib 49, and rib 49 is supported on the roller 7, the weight of roller 7 support belts 2 and the band material 14 that looses.The upper side edge part of band realizes cross-tie on both sides near deflector roll 52.Therefore, in this example, linear motor driven also is only to be used for the vertically moving of rotating band, not support belt with and on material.

Figure 15 shows another preferred embodiment of the present invention, and its form is to be substantially similar to US Patent 4,850,476 disclosed suspension tube belt conveyers.Wherein be substantially similar to the anchor clamps of above-mentioned US Patent by grip device 52(with 2 marginal portion 3,4) keep together, described anchor clamps 52 are with 2 to clamp along the hermetic unit of the requirement of band paths with the spacing such as the 2-3 rice handle of rule.Tablet 54 is arranged in the grip device 52, and when grip device 52 was clamped load-transfer device 2, described grip device was in conjunction with forming guide rail rotor arrangement 8.Grip device 52 is designed to move along the single track on the roller 58 56.Stator apparatus 10 is moving along single track 56 on the path around single track 56 at regular intervals as the setting of 50-100 rice, and therefore, described track-type facilities 8 and described stator apparatus 10 are in conjunction with driving described " bag " conveyers 2.

Along the band path length on, the charging and discharge terminal on, switching mechanism (for clarity sake not shown in the figures) by roller 58 pass through start, cause that grip device 52 opens as requested.Grip device continues to move along single track 56, up to being with 2 to be supported on an open mode by horizontal support rollers.When being with 2 to require closed and when clamping, tilting roller is the bottom surface of guiding to 2

marginal portion

3,4 together almost near single track, and at this, grip device 52 is closed and clamp

marginal portion

3,4 with 2 by switching mechanism.Thereby flexible rotor device of guide rail 8 engages with described stator apparatus 10 electromagnetism and drives load-transfer device 2.

According to belt conveyer of the present invention, described guide rail rotor arrangement (8) can form with described at least one longitudinal edge portions is whole.

Claims

1, a kind of belt conveyer, comprise: at least one has the endless belt (2) of a loading support section, with a flexible rotor device of guide rail of longitudinal extension (8) basically, this rotor arrangement is at least on the drive part of edge band path and is to stretch out with the position of leaving the loading conveyor surface of described loading support section in the outside of described loading support section basically, this conveyer also comprises band support and guiding device and linear motor stator apparatus (10), described guide rail rotor arrangement (8) and described linear motor stator apparatus (10) mutual action that is arranged on its side, thereby apply propulsive effort, and then rotating band (2) to guide rail rotor arrangement (8).

2, according to the belt conveyer of claim 1, it is characterized in that: described endless belt (2) have two longitudinal extension marginal portions (3 at the opposite side of band and in the outside of center loading support section, the flexible rotor device of guide rail (8) that a described longitudinal extension basically 4), is arranged on one of them described lateral edge portions (3 or 4).

3, according to the belt conveyer of claim 1 or 2, it is characterized in that: described band (2) has the flexible character of flexible ribs or the schistose texture (49) of longitudinal extension basically, this rib or schistose texture (49) are protruding in reverse side or bottom surface (50) of the band that leaves the loading conveyor surface, form a described flexible rotor device of guide rail (8).

4, according to any one belt conveyer among the claim 1-3, it is characterized in that: described flexible rotor device of guide rail (8) is the form that continuous electricity is led cable (22) or bar (28) basically.

5, according to any one belt conveyer among the claim 1-3, it is characterized in that: described flexible rotor device of guide rail (8) is segmentation basically.

6, according to the belt conveyer of claim 5, it is characterized in that: described flexible rotor device of guide rail (8) comprises a plurality of sections (23) that are provided with at interval basically.

7, according to the belt conveyer in claim 5 or 6, it is characterized in that: described guide rail rotor section (23) is the form of closed-loop conductor means.

8, according to any one belt conveyer among the claim 5-6, it is characterized in that: described guide rail rotor section (23) is the form of series of rules set of poles (48) at interval, along magnetic pole alternate on flexible guide rail (8) direction.

9, belt conveyer according to Claim 8 is characterized in that: described rule set of poles (48) at interval has pole span, corresponding to the pole span of the magnetic pole that produces in the stator unit (10).

10, belt conveyer according to Claim 8 is characterized in that: described rule set of poles (49) at interval has pole span to be different from the pole span of the magnetic pole that produces in the stator unit (10).

11, according to claim 2 or when right requires 3-10 to be subordinated to claim 2 any one belt conveyer among the claim 3-10, it is characterized in that: described guide rail rotor arrangement (8) forms with described at least one longitudinal edge portions (3,4) is whole.

12, according to any one belt conveyer among the claim 1-10, it is characterized in that: described flexible rotor device of guide rail (8) is the independent annular flexible guide rail rotor (8) that forms and has the form of coupling device, is used for removably engaging with cycloconveyor belt (2).

13, according to any one belt conveyer among the claim 1-12, it is characterized in that: the part of described at least band support (6) and guiding device (19) comprises that movable elongated flexible band supports (6) and also releasably engages with band (2), support and the described band of guiding device (19) upper support (2) at fixing band, described flexible band supports (6) and also fixes described flexible rotor device of guide rail (8).

14, according to any one belt conveyer among the claim 1-13, it is characterized in that: conveyer comprises guide rail rotor arrangement (8) and linear motor stator apparatus (10), is used for the operation of two or more steppings, synchronous, asynchronous and reluctance linear motor type.

15, according to any one belt conveyer among the claim 1-14, it is characterized in that: the formation of described guide rail rotor arrangement (8) and setting are extended it on a perpendicular plane, and described stator apparatus (10) helps described guide rail rotor arrangement (8) substantial symmetry setting between described stator apparatus (10) around the opposite side extension of described guide rail rotor arrangement (10).

16, according to any one belt conveyer among the claim 1-15, it is characterized in that: a plurality of linear motor stator apparatus (10) are provided with along conveyer (1) with the interval of broad.

17, any one belt conveyer according to claim 2 and among the claim 3-16 when being subordinated to claim 2, it is characterized in that: described band vertical side of the edge part (3,4) be provided with abutment means, engage with level and/or tilting roller device (7), basically the weight of support belt (2) and its content.

Any one belt conveyer among the claim 3-17 during 18, according to claim 2 and dependent claims 2, it is characterized in that: on the opposite side (5) of band (2), roller arrangement (7) is set, vertical side of the edge part (3, the 4) sealed engagement that keeps described band together.

19, according to any one belt conveyer among the claim 1-18, it is characterized in that: described stator apparatus (10) has basically " U " or " C " type cross section, the main portion of described guide rail rotor arrangement (8) extend in described " U " or " C " type cross section, and the electromagnetism that strengthens between described stator apparatus (10) and the rotor arrangement (8) connects.

20, a kind of belt conveyer, comprise at least one endless belt, this band has two longitudinal edge portions (3,4), this part is positioned at the opposite side of band (2) and in the outside of center loading support section, one of them described lateral edge portions (3,4) flexible rotor device of guide rail of longitudinal extension (8) is basically arranged, described conveyer (1) has band and supports (6) and guiding device (7), linear motor stator apparatus (8), described guide rail rotor arrangement (8) and linear motor stator apparatus (10) mutual action, when conveyer uses, linear motor stator apparatus (10) is arranged on the side of described guide rail rotor arrangement, so that described guide rail rotor arrangement (8) is applied propulsive effort, and then drives described band (2).