CN1509968A - Transport lath made of reinforced fibre thermoplastic materials - Google Patents

Abstract

The invention relates to a reciprocating slat conveyor comprising a pluralit y of side by side disposed elongated conveyor slats (1), means for attaching the slats to at least one of a plurality of longitudinally spaced apart transversely extendi ng drive beams (6) for driving the reciprocating movement of the slats connected thereto, wherein each slat comprises an elongated plank-like upper portion (1) having an upper and a lower surface (7, 8), at least one leg (2) extending in longitudinal direction of the slat and depending from the lower surface (8) of the slat, the at least one leg (2) being positioned substantially central of the upper portio n (1), the connecting means for connecting the slat to the guide beam (6) being provide d to exert a gripping action upon opposite sides (12, 22) of the substantially centrally disposed leg (2).

Description

The conveying lath that reinforced fibre thermoplastic materials forms

Technical field

The present invention relates to a kind of reciprocating slatted apron slat conveyer as described in the preamble as claimed in claim 1.The invention still further relates to a kind of lath that uses with reciprocating slatted apron slat conveyer (slat).

Background technology

Be well known that in the prior art, in truck hauling, refuse haul and shipping industry, use reciprocating conveyer, there, the commodity that reciprocating floor is used to the loading and unloading goods or is transported load or unloaded operation thereby help people to carry out.In order to realize these tasks, reciprocating conveyer usually comprises some elongated conveying laths, these carry laths along conveyer vertically abreast, the side is to being provided with laterally.These laths are divided into some groups be made up of three laths and some groups that formed by some laths.Every group that is made up of some laths comprises since first group lath, and this lath is arranged to contiguous lath since second group, and this lath itself is arranged to contiguous lath since the 3rd group.These laths of specific group are driven by common horizontal driving beam, are connected in the corresponding driving device and should laterally drive beam itself.Thereby these actuating devices carry out work makes horizontal driving beam and these laths as one man move the length of a predetermined stroke along first direction, thereby along the first direction load conveyor.Afterwards, each actuating device carries out work in the opposite direction, thereby makes all lath withdrawals that belong to specific group eachly one group.When making these laths when first direction as one man moves a predetermined stroke length, the load that conveyer delivered is moved along that direction.These laths are non-as one man withdraws in return of stroke by making in more formed groups by three laths, makes this load remain on the correct position and does not move along the direction of withdrawal.

Can know a kind of conveying lath from US-A-6013585, this conveying lath comprises by fiber strengthens the main body that the resin of thermohardening forms.This lath comprises the outer surface part that is formed by thermoplastic material.This lath forms by following method: make the resin of reinforcing fiber, thermohardening and thermoplastic material by having the shaping die of pulling out of the part of being heated.For example, apply thermoplastic material by following method: some thermoplastic materials are joined in the thermosetting resin dipping solution; After it soaks into thermosetting resin, on reinforcing fiber, carry out splash; Thermoplastic fibre is combined with reinforcement fabric, etc.Heating causes that thermoplastic material melts and form thermoplastic surface's layer on lath.Afterwards, make thermoplastic surface's layer further combined with to the themoplasticity veil.

For example, some traditional laths that use with the crank motion conveyer are disclosed among the US-A-5447222 that licenses to Foster.These laths that are disclosed among the US-A-6019215 are elongate articles, and these elongate articles form by extruding or co-extrusion pressure technology.Each lath comprises the top of similar plank, and this top is divided into three parts again, and the opposite side of core and these sides are partly joined.On the position that core and side partly intersect, each, support extends from the lower surface on top.The support of each suspension comprises end flange, these end flanges can towards mutually, can be mutually away from or can be along opposite direction.These end flanges are arranged to engage lath and are restricted to wherein guide beam, thereby prevent that lath is with respect to the guide beam upward movement.The top of each similar plank has lower support surface, thereby this lower support surface is arranged to the upper surface of contact guidance beam lath is supported on the guide beam.

When driving these laths, the motion of guide beam is delivered on these laths along the mating surfaces of the guide beam with lath.With regard to these laths of US-A-5447222, this propulsive effort that just means guide beam is delivered on these laths along end flange, and is delivered to from the upper support surface of guide beam on the lower support surface on top of similar plank.

US-A-5588522 relates to a kind of crank motion that is used to be placed on the load on the supporting plate and carries the floor.This conveying floor comprises: (i) some conveying laths that are spaced laterally apart, carry out vertical crank motion thereby they are installed on the support frame between " beginning " and " advancing " position; And (ii) some maintenance laths that are spaced laterally apart, they are in vertical motion between " top " and " bottom " position, wherein, and on these positions, these keep lath correspondingly to be arranged in the above and below of carrying lath, keep the motion of lath to be only limited to perpendicular movement.Keep laths to be under the situation on the lower position at these, when moving on their " advancing " position in the " " position of carrying lath, carry lath support and load conveyor from them.After carrying their progressive position of lath arrival, keep lath to be elevated on " top " position, load is raise from carry lath.These keep lath to comprise that the partial sum of the similar plank in top is suspended on the support of center, this support has some end flanges, these end flanges support and drive by raising pipe, and the length of support that is arranged on the center is less than the length of central support that is arranged on its next door.

But, carry the floor to improve the propulsive effort that comes self-driven beam be delivered on these laths.

Summary of the invention

Therefore, the purpose of this invention is to provide a kind of crank motion conveyer, use this conveyer can determine from drive beam to the improvement of lath the transmission of power.

The present invention realizes by the technical characterictic of the characteristic of claim 1.

Crank motion slatted apron slat conveyer of the present invention comprises some elongated delivery laths that are arranged side by side and is used for these laths are connected to device in the driving beam of some horizontal expansions that vertically separate at least one, move back and forth in order to drive these laths, and these laths are installed on the driving beam.Each lath comprises the top of elongated similar plank, and this top has upper surface and lower surface, and at least one support vertically extends and is suspended on the lower surface of lath along lath.This at least one support is arranged on the center on top basically.

In slatted apron slat conveyer of the present invention, be used for the connecting device that lath is connected on the guide beam is arranged to clamping action is applied on the opposite side portion of the support that is arranged on the center basically.Be applied on the support clamping action along lath vertically and short transverse work.In slatted apron slat conveyer of the present invention,, can make the trend of the end bob of these laths reduce to minimum when some gripping powers are applied to when being parallel to these laths and carrying out on the travel direction.This is a very important advantage, because needn't provide extra device that these laths are remained on their level attitude.Apply propulsive effort and have such advantage along being parallel to these lath travels direction: improved the ability that the motion of giving these laths is led, because these propulsive efforts act on the direction that is parallel to the directional tagging that guide beam applies.Propulsive effort is applied to make on the support of suspension a propulsive effort that comes self-driven beam is delivered to and reaches optimization in the load, because near the area supported of lath, be fit to carry out the power transmission.

Because propulsive effort does not act on lath top transversely, therefore the danger that lath transversely expands on the position of these wings is minimized.Therefore, such danger is minimized: the contiguous side surface of the wing of lath of carrying is in contact with one another, thereby has produced bad friction force.

The connecting device that lath is connected on the guide beam preferably includes fixing device, and this fixing device is used for installing and releasably clamps the opposite side of the support that is arranged on the center basically, because this helps these laths are installed in the conveyer.Releasably be connected with and be beneficial to vertically inserting and locating along conveyer.

According to preferred embodiment, fixing device comprises first and second fixing devices, and these fixing devices are towards moving mutually and remotely move mutually, thereby can clamp lath between them with unclamping.

In order to improve the clamping action that is applied on the lath, fixing device also is arranged to act on the support and the edge between the end flange that is arranged on the center basically, and these end flanges extend along the horizontal and direction opposite with support of lath.Driving the propulsive effort that beam applied therefore can side by side work along two vertical surfaces.This has just improved the transmission of the power from the guide beam to the lath and has made carries this lath energy needed minimum.

It is minimum that the danger of holding up below these laths for any load that these laths are delivered reaches, so the relatively vertically sidepiece of lath comprises the alar part of downward extension, and the height of this alar part is basically less than the height of the support that is arranged on the center.At least one alar part but preferably two alar parts all on the locality of the support that is arranged at the center dorsad, have sealing member, the sealing part stretches out along the direction of contiguous lath from outside face and is formed by flexible material.Be installed to these sealing members in the contiguous alar part of contiguous lath with respect to preferably can moving along short transverse mutually, thereby improve sealing function and help installing.

The invention still further relates to a kind of conveying lath that uses with above-mentioned slatted apron slat conveyer.

Use thermoplastic synthetic material to make to carry lath can overcome major defect by the formed known lath of thermohardening synthetic material.The advantage of thermoplastic synthetic is: though synthetic material left pull out building mortion after, they also can form various shapes.Owing to do not need to consider any sclerosis, the formability that therefore forms time limit and synthetic material has improved widely.Other advantage of thermoplastic synthetic is that they have the stretch ratio that breaks, the raising anticollision ability and non-friable of raising.The weight of thermoplastic material is less, therefore reduced the weight of slatted apron slat conveyer, consequently, conveyer can deliver heavier load, must drive and control by government regulations by truck because comprise the total weight of the conveyer of vehicle.

License among the US-A-5301798 of Wilkens and disclose a kind of conveying lath, this conveying lath is formed by extrusion of thermoplastic polyvinyl chloride polymer.The shortcoming of the themoplasticity lath that pushed is that it is laterally also crooked easily along lath.

Description of drawings

The present invention further is illustrated in accompanying drawing and the description of the drawings.

Fig. 1 is the sectional elevation of lath of the present invention.

Fig. 2,3,4 shows the cross-sectional figure of the preferred embodiment of lath of the present invention, and these laths are provided with the top layer that co-extrusion extrudes.

Fig. 5 is the sectional elevation that is installed to a pair of two the contiguous laths in the conveyer.

Fig. 6 is the view that lath is connected to the top that drives the device on the beam.

Fig. 7 is the view that lath is connected to the sidepiece that drives the device on the beam.

Fig. 8 is the view that lath is connected to the top with the device on the driving beam that inserts lath.

The specific embodiment

As Fig. 1 saw, lath S of the present invention comprised the lath body, and this lath body comprises the top 1 of similar plank and be arranged on the support 2 of center basically that support 2 hangs on the top.Top comprises upper surface 7 and lower surface 8.The support 2 that hangs on the center comprises first and second end flanges 3,4, and these flanges laterally stretch out with relative direction from support 2 along lath S's.Each flange comprises: upper surface 19, and it points to the top 1 of lath; And basal surface 9, it is relative with upper surface.

Opposite side portion along the lath of laterally looking of lath can be provided with the wing 10,11 that one or more hangs downwards, compares with center frame 2, and the length of shown these wings is less.The end parts of these alar parts is arranged to match with corresponding longitudinal fluting in the guide beam upper surface and engage.Therefore, these alar parts help to lead to the motion of these laths, and the danger that helps these laths are bent minimizes, and the danger that helps to make the load particle that is delivered to enter into the space between guide beam and the conveying lath minimizes.

Each wing 10,11 has outside face 23 on that side of pointing to away from center frame 2.In order to provide optimal seal between contiguous lath, so the outside face of these wings 10,11 can comprise one or more sealing member 20,21.These sealing members can be formed by any suitable material, and these materials have enough flexibilities makes the sealing part can make it oneself be adapted to existing space between these contiguous laths.Preferable material has resistance to abrasion preferably because as some laths with respect to move mutually they should resistance to wear as a result.Preferable material also has enough little friction coefficient.The examples of material that is suitable as sealing member comprises TPU, ethylene/acrylic acid salt copolymer, polypropylene, polyethylene, Delrin acetal resin (Delrin acetal resin) etc.

First and second end flanges 3,4 can adopt different shape according to the purposes of wanting.These flanges 3,4 can be flat basically or comprise: (i) support 13,14, and it 1 stretches out from end flange towards top, thereby improved and the contacting of guide beam; Perhaps (ii) one or more protrusion, 1 upper surface 19 from these end flanges stretches out towards top for they, thereby makes guide beam and carry minimum friction forces between the lath; Perhaps (iii) one or more protrusion, they stretch out and match with respective grooves the guide beam and to carry lath to move with respect to the slip of guide beam to lead to give from the basal surface 9 of end flange 3,4.

In order to improve the gripping power of the load that lath S delivered, so the upper surface 7 on the top 1 of lath S preferably is coated with the bigger material of roughness of surface 5.For example, this can obtain by co-extrusion pressure second thermoplastic material or fabric or the mat that contains metal fibre.Various forms can be adopted in the surface of material 5, and the same shown in Fig. 2-4, can comprise some protrusions, the suitable properties of materials that will deliver of these protrusions.The upper surface 7 on the top 1 of lath S can also scribble wearing layer, for example can scribble abrasive material.

In order to prevent that the particle that these laths deliver from entering into the space (promptly this space is saved the guide beam that conveyer is installed) that is arranged in these lath below an upper sections, so each lath S is provided with at least one sealing member 20,21.The sealing part is provided to seal any open spaces between the contiguous lath of slatted apron slat conveyer.Sealing member can be installed on the outside face of the wing 10,11, so that the end portion supports of sealing member 21 is on the upper surface of contiguous lath.In the sort of method, help installing these laths.

The invention still further relates to a kind of slatted apron slat conveyer.Slatted apron slat conveyer usually comprises framework, and this framework has two longitudinal beams, and these beams extend along vertical sidepiece of framework.Some horizontal driving beams are installed on the longitudinal beam in spaced relation, move back and forth thereby drive these laths that are connected to wherein selectively.In addition, some laterally steering beams are installed in these longitudinal beams in spaced relation, thereby lead along the moving of these laths of vertically giving of framework.

Slatted apron slat conveyer of the present invention comprises some elongated delivery laths that are arranged side by side, and each lath is connected to one of them and drives on the beam 6.In slatted apron slat conveyer of the present invention, connecting device 24-32 is arranged to drive on the beam 6, shown in Fig. 6-8 carrying lath to be connected to.As Fig. 8 saw, connecting device comprised hollow type bar 35, and this type bar 35 is arranged to be connected to and is driven on the beam.Hollow type bar 35 is installed with fixing device 24-32 on its top 29.Employed connecting device and fixing device can comprise any device in the slatted apron slat conveyer of the present invention, as long as they act on vertical sidepiece of the support 2 that is arranged at the center.

As can see from Figure 7, the connecting device that lath S is connected on the guide beam 6 preferably includes fixing device 24-32, this fixing device 24-32 is clamped in the support 2 that is suspended on the center between them along the longitudinal, preferably, releasably is clamped between them.Vertically clamping can be guaranteed to transmit best gripping power and be led to lath best.As the fixing device of longitudinal extension, can form by the known any fixing device of those of ordinary skills.

As Fig. 6 saw, in a preferred embodiment of the invention, fixing device of the present invention preferably included first and second fixing devices 24,25, and these fixing devices can move mutually.When carrying out mutually when mobile, lath can be inserted between the fixing device in an easy manner, has been minimized about the restriction of carrying out correct longitudinal register of lath.Fixing device can be towards moving mutually, till their vertical sidepiece 12,22 of mating surfaces 36 contact strip S.On that position, relatively the mating surfaces of fixing device is applied to clamping action or gripping power on the relatively vertically sidepiece 12,22 of the support that is located substantially on the center 2 of lath.

According to preferred embodiment, fixing device comprises the first and second type bars 26,27.The first and second type bars 26,27 show convex mating surfaces 36, and this surface 36 has the support that is located substantially on the center 2 of lath.As Fig. 7 saw, the first and second type bars 26,27 rotatably had been installed on the top of hollow carrier 35 along the direction of arrow on the opposite side of support.The first and second type bars 26,27 can rotate around S. A. 37.This has such advantage: under the situation that lath moves along the hand of rotation of type bar 26,27, therefore these type bars have improved gripping power towards moving mutually.In order to fix the position of the first and second type bars 26,27, the first and second type bars are connected on corresponding first and second blocks 38,39, and these blocks are rotated with corresponding type bar.The located block 40 that is inserted between the relative block 38,39 gets off the stationkeeping of first and second blocks 38,39.Block 40 preferably can move with respect to block 38,39.For example, this can be realized by screw 28.But, thereby can use any other anchor fitting known to a person of ordinary skill in the art and be used for the device that mobile block 40 positions for block 38,39.

Preferably, fixing device also comprises the third and fourth type bar 30,31 similar with the first and second type bars.But the third and fourth type bar 30,31 can be rotated along the direction opposite with the hand of rotation of the first and second type bars, thereby improves gripping power along reciprocating both direction.The third and fourth type bar is connected on third and fourth block 33,34 separately.Type bar 30,31 and block 33,34 can rotate around S. A. 41.Their position can be fixed up with located block 42.

Lath of the present invention can be formed by the various materials that comprise metal such as steel or aluminium, but can use any other suitable method known to a person of ordinary skill in the art, lath of the present invention can also be formed by thermoplastic material, fiber reinforcement thermosetting resin such as different phthalein polyester (isophtalic polyester), but can use known any other appropriate thermal thermosetting resin of those of ordinary skills.Suitable fiber reinforced materials comprises mineral fibres for example glass fibre, carbon fiber, synthetic plastic material fiber or metal fibre.The conveying lath of prior art is mainly made by the forming process technology of pulling out of fiber reinforcement thermosetting resin matrix.

The preferred material that is used for forming lath S of the present invention comprises reinforced fibre thermoplastic materials.The preferred thermoplastic that is fit to use with the present invention comprises some such thermoplastic materials: these materials carry out depolymerization when heating, and carry out polymerization again when cooling.Suitable thermoplastic material is disclosed among the US-A-5.891.560.Preferred thermoplastic material is thermal plastic urethane and thermoplastic urea, and thermoplastic polyurethane is particularly preferred.

These laths of the present invention preferably form by the technology of pulling out thermoplastic material, and this is described among the US-A-5 891 560, and this US Patent is here introduced with for referencial use.According to that technology, pull out by fibroplastic fibrous bundle from store rack rails (storage rack) by the fiber pre-heating station, thereby the enough high water that can remove in the fiber of the temperature of this pre-heating station, and these fibers are preheating to temperature above the solid point of resin melt.After preheating, pull out fibrous bundle by the fiber pretension fixing device, this fiber pretension fixing device comprises row's pin, these pins are used for making separately fiber to stretch out and these fibers are in the tensioning.Afterwards, thereby draw fibrous bundle by immersion system, fibrous bundle is got wet with the thermoplastic base resin melt there.In order to use the impregnated fibre forming of thermoplastic material to become lath, therefore spur impregnated fibrous bundle to pass through coagulation system, this coagulation system has: mould, it is shaped fibrous bundle; And some wiping laths, they further make fibrous bundle be shaped as the ideal form of lath.The opening of each wiping lath has the shape of the lath that will form, and the size of this opening becomes littler at the downstream part of immersion system, reaches desirable size up to this lath.Pulling therefore and the cooling frame of the size of the circular plate portion that forms by having the lath that will form, thereby melt solidified and make lath have smooth surface.

As long as adopt the melt viscosity of enough low-level non-DRTP so that resin to keep enough hanging down with impregnation of fibers bundle effectively, the thermoplastic base resin that is not DRTP (depolymerization-thermoplastic material of polymerization) more so can be used in combination with DRTP, thereby forms complex of the present invention.The example of non-DRTP comprises acrylonitrile-butadiene-styrene copolymer (acrylonitrilebutadiene-styrene copolymers), polystyrene, polyphenylene oxide (polyphenylene oxide), polyphenylene oxide polystyrene blends (polyphenyleneoxide polystyrene blends), polyformaldehyde (polyoxymethylenes), polypropylene, polyamide, poly-(butylene terephthalate) (poly (butyleneterephthalate)), poly-(ethene terephthalate) (poly (ethyleneterephthalate)), the polyester copolymer (poly (ethylene terephthalate)) of poly-(butylene terephthalate) (polyester copolymersof poly (butylene terephthalate)) and poly-(ethene terephthalate), SAN (styrene-acrylonitrile copolymers) and ethylene-propylene-diene terpolymer (ethylene-propylene-diene terpolymers).With regard to these thermoplastic compounds, no longer have bad volatility compound is discharged into danger in the environment, and help synthetic material and utilize again.Owing to do not have hardening process, therefore improved capacity rating.

The thermoplastic synthetic material that forms lath of the present invention can comprise some additives such as fire retardant, UV stabilizer, pigment, dyestuff, antistatic additive, antiseptic, fungicide, mold release and flow improver additive.

The size of lath of the present invention can change in a big way, but usually its width is slightly less than the width of known lath, because the bending stiffness of thermoplastic synthetic material is less.The example of suitable dimension size comprises that 10-20cm is wide.But, can increase width slightly downwards by the auxiliary reinforced support 15,16 that hangs is set between the support 2 that is provided with at the center and each flank 10,11.The height of reinforced support 15,16 is identical or littler with the wing 10,11 approximately.

Claims (20)

1. reciprocating slatted apron slat conveyer, it comprises: some elongated delivery laths (1) that are arranged side by side; And be used for these laths are connected to device in the driving beam (6) of some horizontal expansions that vertically separate at least one, these laths that are connected thereto in order to driving move back and forth, it is characterized in that, each lath comprises: the top of elongated similar plank (1), this top have upper surface and lower surface (7,8); At least one support (2), this support is on the lower surface that vertically extends and be suspended on lath (8) of lath, and this at least one support (2) is arranged on the center of top (1) basically; Be used for lath is connected to connecting device on the guide beam (6), this connecting device is arranged to clamping action is applied on the opposite side portion (12,22) of the support (2) that is arranged on the center basically.

2. crank motion slatted apron slat conveyer as claimed in claim 1, it is characterized in that, the described connecting device that lath is connected on the guide beam (6) comprises fixing device (24-32), and this fixing device is used for installing and releasably clamps the opposite side (12,22) of the support (2) that is arranged on the center basically.

3. as the arbitrary described crank motion slatted apron slat conveyer of claim 1-3, it is characterized in that, described fixing device comprises first and second fixing devices (24,25), and these fixing devices can move with leaving each other mutually toward each other, thereby can clamp lath between them with unclamping.

4. as the arbitrary described crank motion slatted apron slat conveyer of claim 1-3, it is characterized in that, described fixing device (24,25) also is arranged to act on the support (2) and the edge (34) between the end flange (3,4) that is arranged on the center basically, and wherein these end flanges (3,4) extend along the horizontal and direction opposite with support (2) of lath.

5. as the arbitrary described crank motion slatted apron slat conveyer of claim 1-4, it is characterized in that, be used for that lath is connected to the device that drives on the beam and also comprise hollow type bar (29), this hollow type bar has top (35) and bottom, this top (35) has upper surface (29), this upper surface is towards lath, and fixing device (24,25) is installed on the top (35), and the bottom is connected to and drives on the beam.

6. as the arbitrary described crank motion slatted apron slat conveyer of claim 3-5, it is characterized in that, fixing device comprises the first and second type bars (26,27), these type bars have convex mating surfaces (36), this mating surfaces (36) has the support that is arranged on the center basically (2) of lath, the first and second type bars (26,27) are arranged on the opposite side of support and rotatably are installed on the top type bar (35), anchor fitting (28) setting fixes the position of the first and second type bars (26,27), thereby lath is clamped between them.

7. crank motion slatted apron slat conveyer as claimed in claim 6, it is characterized in that, fixing device (24,25) also comprise the third and fourth type bar (30,31), these type bars have convex mating surfaces (36), this surface has the support that is arranged on the center basically of lath, the third and fourth type bar (30,31) be arranged on the opposite side of support and along with the first and second type bars (26,27) direction that hand of rotation is opposite rotatably is installed on the top type bar (35), anchor fitting (32,33,34) the third and fourth type bar (30 calmly is set back and forth, 31) position, thus lath is clamped between them.

8. as the arbitrary described crank motion slatted apron slat conveyer of claim 6-7, it is characterized in that described type bar (26,27,30,31) is made by plastics or elastomeric material.

9. as the arbitrary described crank motion slatted apron slat conveyer of claim 1-8, it is characterized in that, the relatively vertically sidepiece of lath (1) comprises the alar part (10 of downward extension, 11), the height of each alar part is basically less than the height of the support that is arranged on the center (2), each alar part has outside face (22 on the position of the direction of the support that is arranged at the center dorsad (2), 23), sealing member (20,21) be installed to outside face (22,23) on, the sealing part is from outside face (22,23) stretch out and formed by flexible material, these the contiguous sealing members of alar part that are installed to contiguous lath relative to each other move along short transverse.

10. one kind with the conveyer lath that uses as the arbitrary described crank motion slatted apron slat conveyer of claim 1-9, this lath comprises the top (1) of elongated similar plank, this top has upper surface (7) and lower surface (8), at least one support (2) is on the lower surface that vertically extends and be suspended on the top of similar plank (8) of lath, it is characterized in that this at least one support (2) is arranged on the center on the top (1) of similar plank basically.

11. conveying lath as claimed in claim 10, it is characterized in that, at least one support (2) that is arranged on the center basically comprises flange (3,4) at the bottom of bottom (9) and at least two, these end flanges laterally extend from the support (2) that is arranged on the center basically along lath, and these end flanges (3,4) are the opposite sense of (9) towards the bottom.

12., it is characterized in that the relatively vertically sidepiece of lath (1) comprises the alar part (10,11) of downward extension as claim 10 or 11 described conveying laths, the height of each alar part is basically less than the height of the support that is arranged on the center (2).

13. conveying lath as claimed in claim 12, it is characterized in that, each alar part has outside face (22,23) on the direction position of the support that is arranged at the center dorsad (2), sealing member (20,21) is installed on the outside face of each alar part (10,11), and the sealing part stretches out and formed by flexible material from outside face (22,23).

14. conveying lath as claimed in claim 13 is characterized in that, these sealing members (20,21) of the alar part of a lath (10,11) the relative to each other short transverse along lath move.

15., it is characterized in that at least a portion of the upper surface (7) of top (1) covers the bigger material (5) of layer of surface roughness as the arbitrary described conveying lath of claim 10-14.

16., it is characterized in that at least one end flange (3,4) comprises protrusion (17,18) as the arbitrary described conveying lath of claim 10-15, this protrusion is suspended on the lower surface of end flange (3,4).

17., it is characterized in that this lath is formed by the depolymerization of fiber reinforcement and the thermoplastic material of polymerization again as the arbitrary described conveying lath of claim 10-16.

18. conveying lath as claimed in claim 17 is characterized in that this lath is formed by thermoplastic material, and this material is to choose from the group of polyurethane and carbamide resin.

19. as claim 17 or 18 described conveying laths, it is characterized in that, as fiber reinforced materials, use is formed by the fiber that chooses from following this group, this group comprises: glass fibre, ceramic-fibre, carbon fiber, metal fibre or fusing point are higher than the depolymerization of thermoplastic material and the polymer fiber of polymerization temperature, perhaps their compound again.

20. as the arbitrary described conveying lath of claim 10-16, it is characterized in that lath is formed by metal, especially form by aluminium.

Images