CN1025179C - Tubular conveyor - Google Patents

Abstract

The present invention relates to a tubular conveyer belt without ends, which is used for wrapping and transferring conveyed objects, such as granular and powdery objects or bulk objects, etc. During transportation, the tubular conveyer belt can be prevented from being bent or twisted; simultaneously, the number of supporting frames can be reduced so that the tubular conveyer belt is economical.

Description

Tubular conveyor

The present invention relates to a kind of transported materials such as powder grain or bulk be wrapped in the tubular load-transfer device of wherein being transferred for no reason, in walking, can prevent deflection or distortion, reduced simultaneously and support the quantity of frame to make it have the tubular conveyor of economy.

The device that transported materials such as powder grain or bulk is transferred to distance place quite far away generally is to use as Fig. 7 to tubular conveyor shown in Figure 9.

That is, flexual load-transfer device for no reason 1 has the elasticity of utilization itself to be rolled into circular tendency, but the part of the driven voller 3 at one end and the driven roller 2 of the other end then is launched into tabular and is looped around between two rollers, partly form toward road load-transfer device 1a by the upside of driven voller 3 towards driven roller 2, partly then form loop transport band 1b by driven roller 2 towards the downside of driven voller 3, support frame 4 along past road, loop transport band 1a, 1b sets by predetermined space, each supports that frame 4 is about leaning on, about attaching parts 8 connected, each supports frame 4 to be divided into two sections up and down by separating element 4c again, all form the passage 4a of load-transfer device in each part, 4b, simultaneously, each passage 4a, peripheral part of 4b is equipped with several in the mode along a circumference via carriage 5a and keeps roller 5, and support to be rolled into tubular part toward road load-transfer device 1a and loop transport band 1b by this maintenance roller 5, and in the position, dead aft of wraparound driven voller 3 and the installing of the position, dead ahead of driven roller 2 curl to hold concurrently and launch with frame 6, this frame 6 up and down two sections be provided with distortion roller 7, can be for three sides such as bottom or top and both sides etc. of supporting load-transfer device.

Above-described structure, the driven voller 3 of pile warp below and past the road load-transfer device 1a that the launches expansion of promptly holding concurrently because of curling is curled into the pipe shape with the distortion roller 7 of frame 6 with itself being curled into round tendency, promptly by funnel Ha transported material m is loaded on the load-transfer device during curling." overlapping; that transported material is wrapped in wherein; as to support the upper channel 4a of frame 4; during; as promptly to be launched into flat condition once again; as and during the pile warp driven roller, transported material m to be dropped into admit a Hb toward road load-transfer device 1a by curling of the driven roller 2 one sides upper deformation roller that launches with frame 6 of holding concurrently through foremost support frame 4 by each then with its both side edges portion 1 ', 1.

Subsequently, become loop transport band 1b toward road load-transfer device 1a, the expansion of holding concurrently via curling is curled with the lower deformation roller of frame 6, support the lower passage 4b of frame 4 by each, utilize in the dead ahead of driven voller driven voller 3 one sides curl to hold concurrently launch launch wraparound driven voller 3 and circulating then with the lower deformation roller 7 of frame 6.

Yet this kind tubular conveyor is because 1. after the long-term use, each slides and partly produces inclined to one side abrasion, 2. respectively keeps the mismatch of roller position, 3. respectively keeps roller to produce inclined to one side abrasion, and 4. each element is made the error on precision, often causes that tubular load-transfer device produces distortion around axis.For this reason, provide for Japanese kokai publication sho 57-141304 number as Figure 10 (a), (b) a kind of shown in, extend at the spacer member 4c rear side of supporting frame 4 and to be subjected to plate 4d, and be subjected to utilize on the plate 4d central authorities of normal pin 5c ' pivot support plate 5a ' at this, and this supporting plate 5a ' promptly rotates and supports one to be abutted against in the correct roller 5 ' toward road load-transfer device 1a bottom with the state of intersecting vertically freely, when producing distortion toward road load-transfer device 1a, the handle 5d ' that is stretched out to the side by supporting plate 5a ' tilts roller 5 ' at the direction of travel of load-transfer device together with supporting plate 5a ' towards left and right sides either party, to correct the apparatus for correcting of load-transfer device around the axis distortion.This kind device has been disclosed in Japanese kokai publication sho 57-141304 number and discloses in the communique.

Yet the phenomenon around the axis distortion that the tubular load-transfer device of tubular conveyor is taken place in walking is not to produce at privileged site, and therefore, above-mentioned twisting prevention is wanted very difficulty of chosen in advance installation position.As a result, all support frame portions all will install, and not only can not reduce the quantity of supporting frame, also will cooperate to support frame to install same number of twisting prevention, and are uneconomical really.And, support the buckling phenomenon of the tubular load-transfer device between frame also not have the effect that prevents to each.

Purpose of the present invention is providing a kind of twisted phenomena that can suitably correct tubular load-transfer device, simultaneously can prevent to support the buckling phenomenon of load-transfer device between frame, and the interval of supporting between frame can be elongated, the quantity that keeps roller can be reduced, and the tubular conveyor with economy.

For achieving the above object, tubular conveyor of the present invention is the load-transfer device for no reason of reeling between driven roller and driven voller, with the upside is toward the road load-transfer device, and be the loop transport band with the downside, will be by anamorphic attachment for cinemascope toward the road, the roughly total length of loop transport band is curled into tubulose, and transported material wrapped in the load-transfer device of road, carried, the 1st feature is on the past road of above-mentioned tubulose, set support frame and barrel roll alternately by needed interval on the roughly whole length of loop transport band, this support frame has up and down two sections passage and a plurality of maintenance rollers partly is set around it, this barrel roll then is positioned at this and supports the central portion between frame side by side and be vertically intersected on above-mentioned tubular conveyor belt to support its bottom, each barrel roll is located at respectively on the supporting plate rotationally, and supporting plate then is located on the Connection Element of above-mentioned support frame for the direction of travel of load-transfer device with can changing posture; The 2nd feature then partly sets vertical roller respectively at the transverse direction warpage of above-mentioned past road, loop transport band, should vertical roller adjacent to the barrel roll of supporting the load-transfer device bottom with support crooked in all sidepieces, each vertical roller is located at respectively on the supporting plate rotationally, and this supporting plate then is located on the link component of supporting frame for the direction of travel of load-transfer device with can changing posture.

According to the present invention, form tabular and the load-transfer device of pile warp driven voller be a past road load-transfer device, be curled into tubulose by anamorphic attachment for cinemascope, and be rolled into the carried object mounting being wrapped in the load-transfer device of tubulose midway, after forming tubulose, mutual upper channel and upside barrel roll and vertical roller by supporting frame, and when the support frame that passes through foremost, launch by anamorphic attachment for cinemascope, during walking around driven roller, transported material unloads, become the loop transport band then, and curl once more and be tubulose, mutual lower passage by supporting frame is with the downside barrel roll and indulge roller, launch when proceeding to the place ahead of driven voller, again the pile warp driven voller.Therebetween, when load-transfer device produced distortion, soon the barrel roll of this part or vertical roller suitably tilted with the distortion correction phenomenon at the direction of travel of tubular load-transfer device.

It is as follows now to illustrate in greater detail structure of the present invention according to embodiment:

Fig. 1 is a tubular conveyor lateral plan of the present invention;

Fig. 2 is its planar view;

Fig. 3 is the front elevation along the A-A line of Fig. 1;

Fig. 4 (A) is the front elevation along the B-B line of Fig. 1;

Fig. 4 (B) is the front elevation along the C-C line of Fig. 1;

Fig. 5 (A) is the planar view of being observed by the D-D line of Fig. 4;

Fig. 5 (B) is the lateral plan of being observed by the E-E line of Fig. 4;

Fig. 6 serve as reasons vertical roller existence and make load-transfer device maintain the instruction diagram of case of bending;

Fig. 7 is the lateral plan of tubular conveyor in the past;

Fig. 8 is the part planar view of its driven voller;

Fig. 9 supports the front elevation of frame for it;

Figure 10 (A) is the planar view of load-transfer device correct equipment in the past;

Figure 10 (B) is its lateral plan.

Fig. 1, Fig. 2 are the drawing of the unitary construction embodiment of announcement tubular conveyor of the present invention.Among the figure, towards driven roller 12 lateral plan of crustal inclination in line, Fig. 2 then is a part of planar view towards the transverse direction bending to Fig. 1 by driven voller 13.

Flexual load-transfer device for no reason 11 partly is launched into flat condition at the other end of one of driven voller 13 end and driven roller 12 and is wound on two rollers, and by the upside conduct past road load-transfer device 11a of driven voller 13 towards driven roller 12, by driven roller 12 towards the downside of driven voller 13 then as loop transport band 11b, on the roughly whole length of road load-transfer device 11a and loop transport band 11b, setting among the support frame 14(figure according to needed interval, the interval at both ends is narrower so that load-transfer device successfully carries out alteration of form, but also not so installing sometimes).As shown in Figure 3, support frame 14 to be divided into two sections up and down by the dividing plate 14c of central authorities, each several part is provided with the passage 14a of load-transfer device, 14b, each passage 14a, keeping roller 15 to be installed in several via supporting plate 16 respectively around the 14b supports on the frame 14, and by these past roads of maintenance rollers 15 supports, the load-transfer device 11a in loop, 11b is curled into tubular part, and set several in the position in the position, dead aft of walking around driven voller 13 and driven roller 12 the place aheads respectively and curl to hold concurrently launch with frame 16, this frame 16 possesses distortion roller (not shown) at last hypomere and can support aspect the bottom or top and both sides etc. three of load-transfer device.

Each is supported frame 14 to lean on chevron outer tie rod 17 up and down and connects, the dividing plate 14c of the central authorities also middle pipe link 18 of same backer's shape and connecting partly simultaneously, the front and back middle position of respectively supporting 14 of frames arranged side by side is equipped with barrel roll 19, this barrel roll 19 passes toward the road and the load-transfer device 11a in loop with the state of intersecting vertically usually, 11b, shown in Fig. 4 (A), support each load-transfer device bottom, this barrel roll 19 rotatable being located at freely on the supporting plate 20 of both sides, each supporting plate 20 are installed on the outer tie rod 17 of the middle pipe link 18 of both sides and both sides bottom in the mode that can change posture at the direction of travel of load-transfer device respectively by screw rod 20b via several slotted holes 20a that is located at each supporting plate shown in Fig. 5 (A).

Moreover, for no reason load-transfer device 11 is equipped with vertical roller 21 respectively towards the part of transverse direction warpage, should indulge roller 21 as shown in Figure 2, interior all positions at the joggling part of front side that is adjacent to above-mentioned barrel roll 19 or rear side, usually pass toward road load-transfer device 11a and loop transport band 11b with the state of intersecting vertically, and shown in Fig. 4 (B), be abutted against in each load-transfer device 11a, all sidepieces are to support the tension force of load-transfer device in the warpage of 11b, keep the warpage state of load-transfer device simultaneously, should be vertical roller 21 is rotatable is located at freely up and down on the supporting plate 22, this supporting plate 22 then as Fig. 5 (B) shown in via be located at several slotted holes of each supporting plate 22a go up be installed in respectively by screw rod 22b with convertible posture ground on the outer tie rod 17 of pipe link 18 above or below reaching.

According to above-mentioned structure, when utilizing driven roller 12 to drive for no reason load-transfer device 11, the load-transfer device that is launched into flat condition and pile warp driven voller 13 promptly forms toward road load-transfer device 11a, make it curling by a plurality of double expansion of curling with the upper deformation roller (not shown) of frame 16 then, halfway by funnel Ha with transported material m mounting in toward road load-transfer device 11a, by load-transfer device 11 transported material m is wrapped into, then as shown in Figure 3, both side edges portion 11 ', 11 " overlaid becomes tubulose; maintenance roller 15 and the upside barrel roll 19 around the upper channel 14a by support frame 14 arranged side by side alternately; during a support frame 14 by foremost; promptly be launched into flat condition once again by curling of the driven roller 2 one sides upper deformation roller that launches with frame 16 of holding concurrently; and during pile warp driven roller 12, the transported material m on the load-transfer device promptly drops into and admits a Hb.

Then, become loop transport band 11b toward road load-transfer device 11a, curl to hold concurrently to launch lower deformation roller with frame 16 curling and form tubulose once again by above-mentioned, mutual by maintenance roller 15 and downside barrel roll 19 around the lower passage 14b of each support frame 14, arrive the place ahead of driven voller 13, be launched into flat condition by double expansion of curling of driven voller 13 sides with the lower deformation roller of frame 16, pile warp driven voller 13 continues circulation.

At this moment, because of the front and back middle position of respectively supporting 14 of frames arranged side by side is equipped with barrel roll 19 respectively to support the bottom of past road, loop transport band 11a, 11b, each supports 14 deadweights because of carried object or load-transfer device of frame to make load-transfer device desire whip downwards, owing to barrel roll 19 is prevented this whip phenomenon; Moreover the warpage of two load-transfer device 11a, 11b is partly then supported the middle position of 14 of frames because of front and back and is cooperated above-mentioned barrel roll 19 to be equipped with vertical roller 21 to support that Zhou Erneng maintains the less camber line state of resistance in the load-transfer device joggling part.If be provided with vertical roller 21, then load-transfer device 11a, the 11b broken line state that can walk shown in Fig. 6 chain line and become to have corner angle makes walking resistance become big; But because the existence of vertical roller 21, load-transfer device 11a, 11b promptly are maintained in the little curved line of the resistance shown in this figure solid line.

The part in walking toward road load-transfer device 11a or loop transport band 11b, for example when clockwise distortion takes place in direction of travel, the barrel roll 19 that needs only the position that will be distorted supports the load-transfer device direction of travel of supporting plate 20 to adjust its posture via screw rod 20b and slotted hole 20a at both sides shown in Fig. 5 (A), tilt to dotted line by the solid line state, load-transfer device is bestowed the turning force of anticlockwise, and the distortion of this part is corrected.

In this case, warpage part at load-transfer device 11a, 11b, barrel roll 19 maintains the original state, 21 on the vertical roller of part that produces distortion as Fig. 5 (B) shown in by operation screw rod 22b and slotted hole 22a at about the load-transfer device direction of travel of supporting plate 22 change its posture, tilt to needed gradient, rightabout turning force is bestowed and twisted to load-transfer device, and warpage distortion is partly promptly corrected.At this moment, if adjust vertical roller 21 and barrel roll 19 simultaneously, just then more certain to the correcting function of load-transfer device.

As mentioned above, for tubular conveyor of the present invention, owing to possess above-mentioned structure, thus because of the own weight of the weight of carried object or load-transfer device each support the load-transfer device whip phenomenon that very easily produces between frame since with barrel roll by below support, so can prevent really.Moreover, the transverse direction warpage of load-transfer device partly, owing to support all sidepieces in its warpage by vertical roller, so load-transfer device can maintain suitable case of bending, and can alleviate its walking resistance, and owing to have barrel roll and have vertical roller at joggling part in whole length, so can (for example 1.5m spacing bias be 2.0m～2.5m) with the spacing bias that is provided with the support frame of many maintenance rollers, and can save the quantity that keeps roller, make equipment more economical, and load-transfer device is when producing distortion around axis in walking, and the barrel roll or the vertical roller that produce the part of distortion can suitably tilt to the direction of travel of load-transfer device, and needn't stop load-transfer device can easily proofreading and correct.

Claims (2)

1, a kind of tubular conveyor, at driven roller, the load-transfer device for no reason of reeling between driven voller, and be with the upside toward the road load-transfer device, be the loop transport band with the downside simultaneously, utilize the anamorphic attachment for cinemascope will be toward the road, the roughly whole length in loop is rolled into tubulose, carried in the load-transfer device of road, wrapping into carried object, on above-mentioned tubular past road, on the roughly whole length of loop transport band on demand the compartment of terrain set the support frame, this support frame has two sections load-transfer device passage up and down, and part is provided with several maintenance rollers around, it is characterized in that, support the central portion between frame to establish a barrel roll side by side at each, and intersect vertically supporting the load-transfer device bottom with above-mentioned tubular conveyor belt, and each barrel roll is located at respectively on the supporting plate rotationally, supporting plate then can at the convertible posture of direction of travel of load-transfer device be installed on the transom of above-mentioned support frame.

2, tubular conveyor as claimed in claim 1, the transverse direction warpage that it is characterized in that above-mentioned past road, loop transport band partly is equipped with vertical roller respectively, should indulge roller adjacent to the barrel roll of supporting the load-transfer device bottom, to support all sidepieces in the warpage, each vertical roller is located at supporting plate respectively rotationally, and this supporting plate then can be installed on the transom of supporting frame at the direction of travel of the load-transfer device mode with convertible posture.

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