JP3745120B2 - Belt conveyor - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a belt conveyor characterized by a belt attaching / detaching structure.
[0002]
[Prior art]
As shown in FIG. 9, a conventional belt removable belt conveyor has a belt receiving plate 2 integrally provided between body frames 1, and belt winding rollers 3 at one end and the other end of the body frame 1. 4 is pivotally supported, and an endless belt 5 is rotatably wound around a belt winding roller 3 at one end, a belt receiving plate 2 and a belt winding roller 4 at the other end. A belt loosening device 7 that is cantilevered by the supporting leg 6 and loosens the endless belt 5 with respect to one belt winding roller 3 is provided.
[0003]
When the endless belt 5 becomes dirty, the tension of the endless belt 5 is relaxed by the belt loosening device 7 and the endless belt 5 is moved to the side where the support leg 6 is not provided, and the belt receiving plate 2 and the belt winding The endless belt 5 is removed from the hanging rollers 3 and 4 and washed with water.
[0004]
[Problems to be solved by the invention]
In this conventional apparatus, it is necessary to secure a sufficient working space on the side where the endless belt 5 is removed. For example, when there is an obstacle such as a wall surface or work table on the side where the endless belt 5 is removed, Desorption is not easy, and there is a problem that the endless belt 5 cannot be replaced in a short time.
[0005]
This invention is made in view of such a point, and it aims at providing the belt conveyor which can remove | desorb an endless belt easily as needed, even when there is no extra space around a conveyor. .
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, there is provided between the main body frame, the belt-wound device provided at one end and the other end of the main-body frame, at least a part of which can be separated, and the belt-wound device at both ends. An endless belt that is wound around the endless belt, and can be opened and closed by turning the main body frame around the main body frame as a fulcrum, and between the lower side and upper side of the endless belt in a closed state. It is a belt conveyor provided with the belt receiver which is located and supports an upper part.
[0007]
As a result, at least a part of each of the belt-wound device at one end and the other end is separated, and the belt receiver is opened so as to rotate about the main body frame. extraction City upward or downward, and when the back side of the belt receiving body are dirty, washed by rotating the belt receiving member to the reversing angle.
[0008]
The invention described in claim 2 is provided between the main body frame, the belt winding ring device provided at one end and the other end of the main body frame and separable at least partially, and the belt winding ring devices at both ends. An endless belt that can be freely wound around the belt, and a belt that is provided on the main body frame so that it can be opened and closed with a double door from the center, and is positioned between the lower side and the upper side of the endless belt in a closed state. A belt conveyor including a receiver .
[0009]
This separates at least a part of each of the belt-wound device at the one end and the other end, opens the belt receiver from the center with a double door, and takes the endless belt upward or downward from within the main body frame, Further, the double-spread belt receiver does not take up a space when opened in the endless belt, and opens in the main body frame over the entire width as compared with the case of a single-open.
[0010]
The invention described in claim 3 is the belt conveyor according to claim 1 or 2 , wherein the main body frame is formed of a pipe having a circular cross section.
[0011]
Accordingly, the main body frame having a circular cross section is less likely to collect dust than the square cross section frame, and is easy to clean, and itself serves as an opening / closing support shaft of the belt receiver.
[0012]
According to a fourth aspect of the present invention, there is provided the belt conveyor according to any one of the first to third aspects, wherein the belt winding wheel device is provided such that a part thereof is detachably attached to one end of the main body frame. Side belt-wound device and a driven-side belt-wound device provided so as to be bendable and detachable with respect to the other end of the main body frame.
[0013]
Thus, the endless belt is loosened by opening the belt receiving body by bending the driven side belt wrapping device, and a part of the driving side belt wrapping device is removed and opened. By opening the receiving body and further removing the driven belt wrapping device from the main body frame and removing it from the endless belt, the operator moves endlessly along the main body frame from the driven side to the driving side. It is possible to remove the belt from the main body frame while winding the belt.
[0014]
請 Motomeko invention described in 5, at the belt conveyor according to any one of claims 1 to 4, but provided with the workbench disengageably to the body frame.
[0015]
Thereby, the work table is used by being attached to the main body frame as necessary.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to the embodiment shown in FIGS.
[0017]
FIG. 1 and FIG. 2 show the entire belt conveyor. At one end and the other end of a main body frame 11, belt wrapping wheel devices 12 and 13 which are at least partially separable are provided, respectively. An endless belt 14 is rotatably wound between the belt winding wheel devices 12 and 13.
[0018]
The body frame 11 is provided with a belt receiving member 15 divided into four blocks so as to be opened and closed. Each of the belt receivers 15 is positioned between the lower side portion 14a and the upper side portion 14b of the endless belt 14 in a closed state, and supports the upper side portion 14b.
[0019]
The belt-wound device 12 at one end is a drive-side belt-wound device that is partly detachably attached to one end of the body frame 11, and the belt-wound device 13 at the other end is This is a driven-side belt-wound device provided so as to be bendable and detachable with respect to the other end portion of the main body frame 11.
[0020]
As shown in FIGS. 2 and 3, four legs 17 are integrally attached to the lower side of the body frame 11 by joints 16, and casters 18 are attached to the lower ends of these legs 17. The main body frame 11 is movably supported.
[0021]
A reinforcing member 20 formed in an H shape by a joint 19 is attached to each leg portion 17 by a joint 21 so that the space between the leg portions 17 is reinforced.
[0022]
As shown in FIG. 3, the main body frame 11, the leg portion 17, and the reinforcing member 20 are all formed of a circular section pipe having the same diameter. Further, each of the joints 16, 19, and 21 is a pulley-shaped disk having a T-shaped pipe insertion hole with a circular cross section. For this reason, there exists an advantage which can form a conveyor main body only with the pipe and joint of the same specification.
[0023]
As shown in FIG. 4, the drive-side belt-wound device 12 includes a drive-side roller 22, a roller support portion 23 that rotatably supports both ends of the drive-side roller 22, and a drive-side roller 22. And a driving unit 24 for driving the motor.
[0024]
The roller support portion 23 for supporting the drive side roller 22 is integrally mounted with a housing 26 with a built-in bearing on one end roller hanger 25 formed by extending the end portion of the one side main body frame 11a. One end of a roller shaft 27 that is fitted to the driving roller 22 and protrudes from one end surface thereof is rotatably supported by a bearing in the housing 26.
[0025]
Further, the roller support portion 23 has a half-notch portion 28 in which one end portion of the other end roller hanger 29 is half-notched and a half-notch portion 28 in which the end portion of the other body frame 11b is half-notched. By fitting a lock sleeve 31 slidably fitted to the end roller hanger 29 onto the outer peripheral surfaces of both the half-notches 28 and 30, both the half-notches 28 and 30 are In addition, a housing 33 is integrally attached to the end roller hanger 29, and a fitting recess 34 is formed on the inner side surface of the housing 33.
[0026]
A roller-side housing 35 with a built-in bearing is rotatably fitted to the other end portion of the roller shaft 27 protruding from the other end surface of the drive-side roller 22, and a convex portion 36 integrally formed with the roller-side housing 35. Further, the fitting recess 34 of the housing 33 is detachably fitted.
[0027]
Therefore, the drive-side belt winding wheel device 12 moves the lock sleeve 31 toward the housing 33 and removes the end roller hanger 29 and the housing 33 on one side only by removing them from the engaging portions of the half-cut portions 28 and 30. It can be removed and a notch opening can be provided at this location, at which time the drive side roller 22 is cantilevered.
[0028]
With this cantilever support structure, it can be said that a part of the belt winding wheel device 12 on the driving side is detachably attached to one end of the main body frame 11.
[0029]
Further, the drive unit 24 that drives the drive side roller 22 has a bracket 37 fitted to one of the leg portions 17, and a motor mounting plate 38 is fixed to the bracket 37 and the one-side housing 26 by screws, The main body of the motor 40 is attached to the inner side of the motor mounting plate 38 via a spacer 39, and the main body of the motor 40 is covered with a motor cover 41 attached to the inner side of the motor mounting plate 38 via a waterproof packing. Yes.
[0030]
On the other hand, driving force transmission pulleys 43 and 44 are integrally fitted to the motor shaft 42 and the roller shaft 27 protruding outside the motor mounting plate 38, respectively, and between these driving force transmission pulleys 43 and 44, respectively. A driving force transmission belt 45 is wound around to constitute a driving force transmission system. This driving force transmission system is covered with a belt cover 46 attached to the outside of the motor mounting plate 38 via a waterproof packing.
[0031]
With the motor cover 41 and the belt cover 46 attached via the waterproof packing, it is possible to cope with a transported article containing moisture, a transported article containing moisture, a transported article attached with moisture, and the like.
[0032]
As shown in FIGS. 5 and 6, the driven-side belt winding wheel device 13 includes a driven-side roller 51 and a roller support portion 52 that rotatably supports both ends of the driven-side roller 51. ing. The mounting structure of the roller support portion 52 is as follows.
[0033]
Sleeves 53 are fitted to the end portions of the body frame 11 on both sides, and the rotating shaft portions 55 of the adjusting bolts 54 are rotatably fitted to the sleeves 53, respectively, and are stopped and locked by the stop rings 56, respectively. Has been.
[0034]
The adjusting bolts 54 on both sides are integrally formed with a rotating flange portion 57 at the center, and a threaded portion 58 is formed on the opposite side of the rotating shaft portion 55 via these flange portions 57. Has been.
[0035]
Cylindrical nut members 59 are screwed into the respective screw portions 58 of the adjustment bolts 54. The nut members 59 are respectively formed with convex portions 60 at the center of the tip. A concave groove 61 is formed on the upper side.
[0036]
The convex portions 60 of these nut members 59 are fitted with concave portions 63 respectively formed at the end portions of the end roller hangers 62 on both sides that pivotally support both end portions of the driven roller 51.
[0037]
The end roller hangers 62 on both sides are connected by a roller shaft 64 between their tip portions, and the driven roller 51 is rotatably fitted to the roller shaft 64 via a bearing, and a concave portion on the opposite side. The shape parts 63 are connected to each other by a carrier roller shaft 65, and carrier rollers 66 and 67 are rotatably fitted to the carrier roller shaft 65.
[0038]
Both end portions of the carrier roller shaft 65 function as a bending support shaft and a detachable shaft of the end roller hanger 62, and are fitted to the concave grooves 61 on the convex portions 60 of the nut members 59 on both sides so as to be rotatable and detachable. Has been.
[0039]
Further, lock sleeves 68 on both sides are slidably fitted from each nut member 59 to each end roller hanger 62 so that the nut member 59 and the end roller hanger 62 are integrated. Inside these lock sleeves 68, axial grooves (not shown) for fitting with the carrier roller shaft 65 are formed as notches.
[0040]
Then, by sliding these lock sleeves 68 toward the adjustment bolt 54 as shown in FIG. 6, the end roller hanger 62 of the driven roller 51 is bent, and the carrier roller shaft 65 is attached to each nut member. 59 can be removed from the groove 61.
[0041]
With such a structure, it can be said that the belt-wound device 13 on the driven side is provided so as to be bendable and removable with respect to the end portion of the main body frame 11.
[0042]
Further, when the adjustment bolts 54 on both sides are rotated, the nut members 59 on both sides move in the axial direction, and the driven roller 51 can be moved and adjusted in the longitudinal direction of the endless belt 14, so that the tension of the endless belt 14 can be adjusted. .
[0043]
As shown in FIG. 7, the belt receiver 15 divided into four blocks is located on the left and right, with two circular cross-section pipes 11A and 11B constituting the main body frame 11 as fulcrums. 7 is provided so as to be rotatable up to an inversion angle indicated by a two-dot chain line, so that a so-called double door opening is possible.
[0044]
As shown in FIG. 1, each of the belt receivers 15 includes a plurality of carrier plates 71 that are long in the moving direction of the endless belt 14, and are assembled to a plurality of carrier plate support portions 72. As shown in FIG. 7, a hinge portion 73 provided at the base end portion of the portion 72 is rotatably fitted to the pipes 11A and 11B of the main body frame 11 within a limited rotation range.
[0045]
As shown in FIG. 7, the hinge portion 73 of the belt receiver 15 has an annular hinge ring 74 rotatably fitted to the pipes 11A and 11B of the main body frame 11, and a carrier plate supporting the hinge ring 74. The base end portion of the portion 72 is fixed with a plurality of screws 75.
[0046]
As shown in FIGS. 4 to 6, each carrier plate support portion 72 is formed by integrating a pair of support plates 76 provided on both sides via the hinge ring 74 with the screws 75. .
[0047]
As shown in FIG. 7, each support plate 76 has an arcuate portion 77 formed at the base end thereof, and in a tangential direction from one side of the arcuate portion 77, the belt receiver 15 is closed. A closed position locking portion 78 that locks the rotation protrudes, and an open position locking that locks the rotation in the open state of the belt receiver 15 in the radial direction from the other side of the arc-shaped portion 77. A portion 79 is projected. Further, hook portions 81 and 82 are formed on the upper ends of the front end side and the base end side of each support plate 76, respectively.
[0048]
On the other hand, as shown in FIG. 7, each carrier plate 71 has an upper plate portion 83 that contacts the endless belt 14 and receives the load of the object to be conveyed on the endless belt 14, and both sides of the upper plate portion 83. Are formed by a side plate portion 84 that is bent and a lower edge portion 85 that is bent outward from the side plate portions 84.
[0049]
These carrier plates 71 are assembled by engaging the lower edge portions 85 on one side of the carrier plates 71a and 71b located on the left and right sides with the hook portions 81 and 82 on the distal end side and the proximal end side of the support plate 76. A presser plate 87 is inserted into a recess 86 formed between the left and right carrier plates 71a and 71b and a central carrier plate 71c disposed therebetween, and adjacent carrier plates 71a, 71c and 71b are inserted. , 71c, a holding plate 87 is placed on the lower edge 85 facing each other, and a bolt 88 inserted from the upper side of the holding plate 87 is screwed into a nut member 89 engaged with the lower side of the support plate 76. Thus, the lower edge 85 of each carrier plate 71 can be easily fixed on the support plate 76 by the presser plate 87.
[0050]
Means for limiting the rotation range of the belt receiver 15 is shown in FIGS. 2 and 6, and a closed position locking portion 78 and an open position locking portion 79 projecting from the base end portion of the support plate 76. A small-diameter locking rod 90 attached in parallel with a joint 16 on the lower side of the main body frame 11 formed of a large-diameter pipe, and this locking rod 90 allows the closed position locking portion 78 or The open position locking portion 79 is locked.
[0051]
Next, the operation of the embodiment shown in the drawings will be described.
[0052]
This belt conveyor is used, for example, for the operation of packing various side dishes into the box from both sides of the conveyor while the lunch box is conveyed by the endless belt 14. For this reason, it is necessary to remove the endless belt 14 and clean the main body frame 11, the endless belt 14, the belt receiver 15 and the like from time to time. The procedure for removing the endless belt 14 will be described below.
[0053]
First, as shown in FIG. 6, the end roller hanger 62 is fixed by the lock sleeve 68 by moving the lock sleeves 68 on both sides of the belt-wound device 13 on the driven side to the adjustment bolt 54 side. The endless belt 14 is bent so that the carrier roller shaft 65 is bent so that the end roller hanger 62 of the driven side roller 51 is raised upward with respect to the nut member 59, and the end of the endless belt 14 is loosened. Enable operation.
[0054]
Further, the lock sleeve 31 of the drive-side belt winding wheel device 12 shown in FIG. 4 is slid toward the housing 33 and removed from the engaging portion of the half-notch portions 28 and 30, so that the drive-side roller 22 One end roller hanger 29 and housing 33 are removed, and a notch opening is provided here. In this state, the driving side roller 22 is cantilevered.
[0055]
Further, while lifting the loosened upper end portion 14b of the endless belt 14, as shown in FIG. 7, the belt receivers 15 at four locations are moved from the center with the pipes 11A and 11B of the body frame 11 as fulcrums. Open in double doors.
[0056]
This double-spread belt receiver 15 does not take up any space when opened in the endless belt 14, and can be easily opened and closed in the endless belt 14 with a limited amount of slack, and in the body frame 11. Can be opened over the entire width.
[0057]
Further, since the concave groove 61 of the nut member 59 is opened upward by the release operation of the lock sleeve 68, the carrier roller shaft 65 is taken out upward from the concave groove 61 so that the end roller of the driven roller 51 Remove hanger 62.
[0058]
At this time, the end roller hangers 62 on both sides, the roller shaft 64 of the driven roller 51 connected between one end portions thereof, the carrier roller shaft 65 of the carrier rollers 66 and 67 connected between the other end portions thereof, Since the driven belt-wound device 13 configured in a rectangular frame shape is completely separated from the main body frame 11, it can be pulled out from the endless belt 14 to the side.
[0059]
In this way, the operator removes the endless belt 14 from which the driven belt wrapping wheel device 13 has been removed from the driven side, and removes the belt receiver 15 onto the main body frame 11 with the double doors open. However, the endless belt 14 is wound up to the drive-side belt winding wheel device 12 that moves to the drive side along the main body frame 11 and is in a cantilevered state.
[0060]
Finally, the endless belt 14 is pulled out from the notch opening provided by removing the end roller hanger 29 on one side in the belt winding wheel device 12 on the driving side.
[0061]
After the endless belt 14 is washed with water in another place, it is attached to the belt winding wheel device 12 on the driving side, the belt winding device 13 on the driven side, and the belt receiver 15 in the reverse procedure to the above.
[0062]
For this reason, even when a work table or the like is arranged on both sides of the body frame 11 only through a narrow space where the worker stands and works, there is a space where the worker can move on one side of the body frame 11. If so, the endless belt 14 can be easily attached and detached in a short time, and the efficiency of belt replacement work can be improved.
[0063]
Further, the main body frame 11 from which the endless belt 14 has been removed can be washed in that place. At this time, the main body frame 11 having a circular cross section is less likely to collect dust and easier to clean than a conventional frame having a square cross section.
[0064]
In particular, the body frame 11 having a circular cross section itself becomes an opening / closing support shaft of the belt receiver 15, and as shown in FIG. 7, the belt receiver 15 is opened at 90 ° or more from the center to the double door as shown in FIG. Therefore, the back side of the belt receiver 15 can be easily cleaned and dirt on the back side can be easily removed.
[0065]
Next, as shown in FIG. 8, a work table 91 that can be freely attached to and detached from the main body frame 11 can be used by being attached to the main body frame 11 as necessary.
[0066]
This work table 91 has a mounting plate 94 attached to the upper part of a plurality of support plate portions 93 integrated with a plurality of transverse rods 92.
[0067]
The support plate portion 93 has an arcuate hook portion 95 engaged with the main body frame 11 of the large-diameter pipe and an engaging portion 96 abutted against the small-diameter engaging rod 90 at the base end portion. Further, a convex portion 97 that supports the mounting plate 94 is formed on the upper side portion.
[0068]
A bent edge portion 100 provided on the side plate portion 99 on one side of the mounting plate 94 is engaged with a notch groove 98 formed on the distal end side of the support plate portion 93, and at the proximal end side of the support plate portion 93. A bent edge portion 103 provided on the side plate portion 102 on the other side of the mounting plate 94 is engaged with the formed cut groove 101, and the presser block 104 is interposed between the side plate portion 102 and the adjacent convex portion 97. The mounting plate 94 can be easily attached by inserting.
[0069]
Then, the hook portion 95 can be engaged with the main body frame 11 from above, and the work table 91 can be easily mounted by simply contacting the locking portion 96 with the locking rod 90, and it can be simply moved upward. Can be removed.
[0070]
Next, an embodiment different from the illustrated embodiment will be described.
[0071]
The illustrated belt receiver 15 is a carrier table that receives the upper portion 14b of the endless belt 14 by a plurality of carrier plates 71, but a carrier roller that receives the upper portion 14b of the endless belt 14 by a number of rollers (not shown). The belt holder may be used.
[0072]
Although the illustrated belt receiver 15 is opened upward, it may be opened downward.
[0073]
The belt receiver 15 shown in the figure is opened and closed from the center with a double door, but when the end roller hanger 62 on the driven side is formed long and the endless belt 14 can be greatly loosened by its bending operation, the belt receiver 15 The body 15 may be a single-open type that can be opened and closed by the body frame 11 on the other side with the body frame 11 on one side as a fulcrum.
[0074]
In the case of this single-open type, when the belt receiver 15 is opened upward or downward, the endless belt 14 can be opened integrally with the belt receiver 15 and removed. In this method, the endless belt 14 can be removed quickly and easily by removing the driving roller 22 and the like in advance.
[0075]
Further, the belt receiver on one side from the center may be fixed, and only the belt receiver on the other side may be opened in a single-sided manner. The belt 14 may be removed.
[0076]
In short, at least a part of each of the belt winding wheel devices 12 and 13 at the one end and the other end is separated and the belt receiver 15 is opened to take out the endless belt 14 from the inside of the main body frame 11 upward or downward. Like that.
[0077]
【The invention's effect】
According to the invention of claim 1, by separating at least a part of each of the belt winding wheel devices at one end and the other end, and opening the belt receiver by rotating the main body frame as a fulcrum , Endless belt can be taken up or down from inside the main body frame, and even if there is not enough space around the conveyor, the endless belt can be easily attached and detached in a short time, such as cleaning the endless belt and main body frame, or replacing parts, etc. The work efficiency required for maintenance can be improved , and since the belt receiver is rotated and opened with the main body frame as a fulcrum, the reverse side of the belt receiver in the inverted state can be easily cleaned, and workability can be improved.
[0078]
According to the second aspect of the present invention, at least a part of each of the belt winding wheel devices at one end and the other end is separated, and the belt receiver is opened from the center with a double door opening, so that the endless belt is removed from the main body frame. Even if there is no room around the conveyor, the endless belt can be easily attached and detached in a short time, and work efficiency required for maintenance such as cleaning of the endless belt and main frame, or replacement of parts, etc. In addition, the belt receiver that can be opened and closed with a double door from the center can be opened and closed easily within an endless belt with a limited amount of slack, and can be opened over the entire width of the body frame.
[0079]
According to the third aspect of the present invention, the main body frame formed of a pipe having a circular cross section is easier to clean than the square cross section frame and is easy to clean, and is excellent in terms of hygiene. Further, the main body frame having a circular cross section itself becomes an opening / closing support shaft of the belt receiver, and the support structure of the belt receiver is simplified.
[0080]
According to the fourth aspect of the present invention, the endless belt is loosened when the belt receiving body is opened by bending the driven side belt winding ring device, and a part of the driving side belt winding ring device is also provided. Open the belt receiver, and then remove the driven belt wrapping device from the main body frame and remove it from the endless belt, so that the operator can drive from the driven side to the driving side along the main body frame. It can be easily removed from the main body frame while winding the endless belt while moving to the end.
[0081]
According to the invention 請 Motomeko 5, wherein the workbench disengageably to the body frame, can be used to engaged with the body frame as required, the workability can be improved.
[Brief description of the drawings]
FIG. 1 is a plan view showing an embodiment of a belt conveyor according to the present invention.
FIG. 2 is a front view of the belt conveyor.
3 is a cross-sectional view taken along line III-III in FIG.
FIG. 4 is a plan view of a belt winding wheel device on the driving side in the belt conveyor.
FIG. 5 is a plan view of a belt-wound device on the driven side of the belt conveyor.
FIG. 6 is a front view in which a part of the belt winding wheel device on the driven side is cut away.
FIG. 7 is a sectional view showing a belt receiver in the same belt conveyor.
FIG. 8 is a front view showing a work table attached to the belt conveyor.
FIG. 9 is a perspective view showing a conventional belt conveyor that is removable.
[Explanation of symbols]
11 Body frame
12 Drive-side belt winding device
13 Belt-wound device on the driven side
14 Endless belt
14a Lower side
14b Upper side
15 Belt holder
91 workbench

Claims (5)

Body frame,
A belt-wrapping wheel device provided at each of one end and the other end of the main body frame, at least a part of which is separable;
An endless belt wound around the belt-wound device at both ends in a freely rotatable manner;
A belt receiving body that is provided between the lower side and the upper side of the endless belt in a closed state and that supports the upper side in a closed state by allowing the main body frame to pivot about the main body frame. A belt conveyor characterized by comprising. Body frame,
A belt-wrapping wheel device that is provided at one end and the other end of the main body frame and at least a part of which can be separated;
An endless belt wound around the belt-wound device at both ends in a freely rotatable manner;
A belt bearing supporting the upper portion positioned between the lower portion and the upper portion of the endless belt in closed state is provided to be opened and closed by double doors from the central to the body frame
It features and to behenate Rutokonbeya by comprising a. The belt conveyor according to claim 1 or 2 , wherein the main body frame is a pipe having a circular cross section. Belt wrap ring device
A belt wrapping device on the drive side, which is partly detachably attached to one end of the main body frame;
The belt conveyor according to any one of claims 1 to 3, further comprising a driven belt winding ring device provided so as to be bendable and detachable with respect to the other end portion of the main body frame. The belt conveyor according to any one of claims 1 to 4 , wherein the main body frame is provided with a detachable work table.

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