A portable machine for replacing / winding conveyor belts

Abstract

A portable conveyor belt changing / winding machine, the machine comprising: a winding stand (1), wherein a winding spool assembly is mounted on the winding stand (1); a belt stand (2) for receiving a second belt (14) when replacing a first belt (15a), the belt (14) being held and rotated by a guide (8); a roller (9) with a conical guide (9a) for reducing misalignments when replacing a first belt (15a) configured to run from a guide (8), the first belt (15a) being releasably attached to a spool member (13a) by a plurality of bolts (13e), a winding spool being actuated by a motor to form a first belt roller (15) to wind up the first belt (15a) and later loosening the bolts on the spool holders (4) to remove the first belt roller (15) and detach the spool member (13a) from the first belt (15a); and a second belt (14a) configured to replace the first belt (15a) by positioning the machine behind a deflection pulley (16) / take-up pulley (21), wherein the take-up pulley (21) is lifted to loosen the belt (15a), wherein the upper part of the second belt (14a) is placed on at least one tensioning pulley (17) coupled to the second belt (14) using fasteners and a temporary fastening connection (24), wherein the first belt (15a) is passed through the pulley (9) and screwed to the spool element (13a) to wind the first belt (15a) onto the first belt roll (15), wherein the second belt roll (14) is unwound via a conveyor belt, while the second belt (14a) and the temporary fastening connections (24) are removed once the machine is stopped to form the first belt roll (15),wherein the second belt (14a) attached to the conveyor belt is slit and fastened by vulcanizing compounds.,

Description

FIELD OF THE INVENTION

[0001] The present invention relates to the field of mechanical machines. More specifically, the present invention relates to a portable conveyor belt changing / winding machine that can be replaced in the field. BACKGROUND OF THE INVENTION

[0002] Conventional belt replacement requires pulling the belt with a vehicle, other equipment such as a winch, or manually. The belt also lies unevenly on the surface during removal. Typically, the belt lying on the surface is wound manually on a winding machine. However, the machine requires personnel to remove the twist and align the belt. There is no winder at the factory, so the process is performed manually.

[0003] A portable conveyor belt changing / winding machine performs this task without intervention and very smoothly, unlike conventional methods. Furthermore, the removed belt is directly wound up, saving time and improving safety. The structure is not damaged, and the belt is not deformed.

[0004] However, the above winding operations are unsafe and time-consuming, require additional vehicles to pull out the old belt and replace it with a new one, and require more workers to replace the belt.

[0005] Therefore, to overcome the above limitations, there is a need to develop a self-propelled, portable conveyor belt changing / winding machine that automatically replaces the conveyor belt on-site, reduces manual intervention, and removes the old belt directly from the reel.

[0006] The technical advances disclosed by the present invention overcome the limitations and disadvantages of existing and conventional systems and methods. Summary of the invention

[0007] The present invention generally relates to a portable conveyor belt changing / winding machine.

[0008] An object of the present invention is to provide a machine that allows the conveyor belt to be replaced on site.

[0009] Another object of the present invention is to provide a removable and reusable universal spool for all belt sizes.

[0010] Another object of the present invention is to reduce manual and vehicle interventions during belt replacement.

[0011] Another object of the present invention is to remove the old belt in the form of a roll to improve the handling of the old removed belt and to reduce the space required.

[0012] Another object of the present invention is to avoid the rolling up of the old, removed belt.

[0013] In one embodiment, a portable machine for changing / rewinding conveyor belts, the machine comprising: a winding stand on which a winding spool assembly is mounted; a belt stand for receiving a second belt when changing a first belt, the belt being held and rotated by a guide; a reel having a tapered guide for reducing misalignment when changing a first belt, the reel being configured to pass between a guide and a reel, the first belt being removably attached to a spool member by a plurality of screws, a winding spool being actuated by a motor to form a first belt reel to wind the first belt, and later loosening the screw on the spool supports to remove the first belt reel and detaching the spool member from the first belt;and a second belt configured to replace the first belt by positioning the machine behind a deflection / take-up roll, wherein the take-up roll is lifted to slacken the belt, the upper part of the second belt is placed on at least one tensioning pulley coupled to the second belt using fasteners and a temporary fastening connection, the first belt being passed through the roll and screwed to the spool member to wind the first belt onto the first belt roll, the second belt roll being unwound via a conveyor belt while the second belt and the temporary fastening connections are removed once the machine is stopped to form the first belt roll, the second belt attached to the conveyor belt being slit and secured by vulcanizing connections;

[0014] To further clarify the advantages and features of the present invention, the invention will be described in more detail with reference to specific embodiments illustrated in the accompanying drawings. These drawings illustrate only typical embodiments of the invention and therefore do not represent a limitation of its scope. The invention will be described and explained in more detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE CHARACTERS

[0015] These and other features, aspects, and advantages of the present invention will become more readily understood when the following detailed description is read with reference to the accompanying drawings, in which like characters represent like parts throughout. Fig. Figure 1 shows a block diagram of a portable conveyor belt changing / winding machine. Fig. Figure 2 shows a schematic representation of a portable conveyor belt changing / winding machine. Fig. 3 shows a schematic representation of the coil element. Fig. Figure 4 shows a schematic representation of the belt winding spool and the attachment of the belt to the spool to form a belt reel. Fig. Figure 5 shows a schematic representation of the main guides.

[0016] Those skilled in the art will also appreciate that the elements in the drawings are shown for convenience and are not necessarily to scale. For example, the flowcharts illustrate the method by key steps to enhance understanding of aspects of the present disclosure. Furthermore, with respect to device construction, one or more components of the device may be represented in the drawings by conventional symbols. The drawings may show only the specific details relevant to understanding embodiments of the present disclosure in order not to clutter the drawings with details that would be readily apparent to those skilled in the art from the present description. DETAILED DESCRIPTION:

[0017] To facilitate an understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawings and a clear description thereof. However, the scope of the invention is not limited thereby. Changes and further modifications to the illustrated system, as well as further applications of the principles of the invention, are possible, as would normally occur to one skilled in the art to which the invention pertains.

[0018] It will be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of the invention and are not intended to be limiting thereof.

[0019] References in this specification to "one aspect," "another aspect," or similar expressions mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Therefore, the terms "in one embodiment," "in another embodiment," and similar expressions in this specification may or may not refer to the same embodiment.

[0020] The terms "comprises," "comprising," or other variations thereof are intended to cover non-exclusive inclusion, such that a process or method comprising a list of steps may include not only those steps, but also additional steps not expressly listed or inherent in that process or method. Likewise, the statement "comprises" for one or more devices, subsystems, elements, structures, or components does not exclude, without further limitation, the existence of other devices, subsystems, elements, structures, components, or additional devices, subsystems, elements, structures, or components.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention pertains. The systems, methods, and examples provided herein are for illustrative purposes only and should not be considered limiting.

[0022] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] Fig. 1 shows a block diagram or a schematic diagram of a portable conveyor belt changing / winding machine (100), the machine (100) comprising: take-up roller 21, first belt 15a, second belt 14, belt stand 2, winder stand 1, head roller 18, wheel 10, roller 9, conical guide 9a, first belt roller 15, spool supports 4, guide 8, bolt 13e, spool element 13a, 13b, 13c, 13d, main structure 8a, guide tube 8d, main guide 8c, pivot point 8e, support structure 8b, spool element 13a, fastening connection 24, drive shaft 22a, drive sprocket 5, idler pulley 16, driven shaft 22 and gear 12.

[0024] Fig. Figure 2 shows a schematic representation of a portable conveyor belt replacement / rewinding machine. The rewinding stand (1), with a winding reel assembly mounted on the rewinding stand (1); a belt stand (2) for receiving a second belt (14) when replacing a first belt (15a), the belt (14) being held and rotated by a guide (8); a pulley (9) with a conical guide (9a) for reducing misalignment when replacing a first belt (15a) configured to extend between a guide (8) and a pulley (9), the first belt (15a) being detachably secured to a spool member (13a) by a plurality of screws (13e), a winding spool being actuated by a motor to form a first belt pulley (15) to wind up the first belt (15a), and later loosening the screw on the spool holders (4) to remove the first belt pulley (15),and detaches the spool element (13a) from the first belt (15a); and a second belt (14a) configured to replace the first belt (15a) by positioning the machine behind a deflection pulley (16) / take-up pulley (21), wherein the take-up pulley (21) is lifted to loosen the belt (15a), wherein the upper part of the second belt (14a) is placed on at least one tensioning pulley (17) coupled to the second belt (14) using fasteners and a temporary fastening connection (24), wherein the first belt (15a) is passed through the pulley (9) and screwed to the spool element (13a) to wind the first belt (15a) onto the first belt roll (15), wherein the second belt roll (14) is unwound via a conveyor belt, while the second belt (14a) and the temporary fastening connections (24) are removed once the machine is stopped to form the first belt roll (15),wherein the second belt (14a) attached to the conveyor belt is slit and fastened by vulcanizing compounds.,

[0025] Fig. Figure 3 shows a schematic representation of the coil element (13). The winding coil assembly consists of the drive shaft (22a), drive coil support (4a), coil elements (13 and 13a), driven coil support (4), and driven shaft (22). The coil elements (13 and 13a) are attached to the coil supports (4 and 4a) and consist of several elements (13b, 13c, 13d) with a hexagonal bore to limit the torque of a screw (13e). The main body (13b) consists of a standard metal angle. All elements (13b, 13c, 13d) are welded together to form the coil element (13 and 13a).

[0026] In one embodiment, the drive shaft (22a) is welded concentrically to a drive sprocket (5) and the drive spool holder (4a) on a first side, and the spool holder (4) and the driven shaft (22) are welded on a second side, the spool holder (4) holding the spool elements concentrically by bolt fastening.

[0027] In one embodiment, the drive is actuated by a drive sprocket (5) of the gearbox (12) and driven by a mechanical motor.

[0028] In one embodiment, the guide (8) consists of a main structure (8a), a support structure (8b), guide tubes (8d), a main guide (8c) and a pivot point (8e), so that the main structure (8a) and the support structure (8b) can be rotatably mounted on pivot points (8e) on the machine and can be adjusted to different angles.

[0029] In one embodiment, the guide (8) guides the second belt (15a) to form a uniform pulley (15) and the guide tubes (8d) remove the twist in the belt, the main guide (8c) guides the belt and slides freely on the guide tubes (8d), the motor is started to rotate the spool and form the uniform belt pulley (5), and later removed by removing the pulley (9) and adjusting the guide.

[0030] In one embodiment, the roll (9) and the bolts are removed with the assistance of the jack or crane on the roll, the roll falling down and the spool elements (13) being removed to remove the tape roll and reuse the spool elements.

[0031] In one embodiment, a drive drum (18) is connected to the idler drum (16) and is brought to the machine, the belt being lowered towards the machine to unwind and replace the first belt (15a) by passing the belt (15a) through a pulley (9) and securing it to the reel, the drive for the reel being actuated to replace the first belt with the second belt.

[0032] In one embodiment, the structure and shape of a secondary guide (9a) is used to accommodate short misalignments. The guide comprises a flat, concentric, circular plate to the roller, which subsequently becomes concave so that everything is concentric and has the shape of the secondary guide (9a).

[0033] In one embodiment, the machine is mounted on a chassis with wheels (10) to transport the machine to the construction site and is self-propelled by the motor that operates the reel drive.

[0034] Fig. Figure 4 shows a schematic representation of a belt winding spool and the attachment of the belt to the spool to form a belt reel.

[0035] The belt is screwed onto the spool element (13a), and all spool elements (13 and 13a) are screwed to the spool holder (4 and 4a). The winding head is driven by the drive. The belt (15a) is wound around the circumference. Then, first, the idler pulley (9) is removed, and the screws from the spool holder are removed from the pulley using a jack or crane. The pulley drops down, the spool elements are removed, but element (13a) is still attached to the belt with removable screws. The belt pulley is also removed.

[0036] Fig. Figure 5 shows a schematic representation of the main guides.

[0037] The guide mechanism consists of two main components. The parallel tubes (8d) are fixed to prevent twisting in the tapes. Two main guides ensure that the tape is wound evenly. The main guide has two curved surfaces that smoothly guide the tape and allow it to slide along the tubes. The main guides are adjusted according to the tape dimension and the direction to the spool. The two parallel tubes eliminate twisting. To prevent jamming and simplify the process, an additional set of parallel tubes (8d) is provided to ensure a smooth process.

[0038] The guides are mounted with a gap of 2-5 mm between the belt (15a) and the guide (8c). The guide (8c) is secured by tightening the screw (13e) in the threaded hole (23). The direction of the guided belt corresponds to the perpendicular bisector of the connecting line between the two guides (8c). The entire guide is pivotable and its angle can be adjusted for easier handling of the belt.

[0039] The belt is wound up by guiding the belt (15a) from the guide (8) over the roller (9) and screwing it onto the spool element (13a). The motor is started, causing the spool to rotate and form a belt roll (15). Once all the belt has been wound up, the roller is removed and the guide is adjusted. The roll can be used as a new belt roll for conveyor belts on the same machine. The spool is removed and can be reused.

[0040] The belt is changed by parking the machine below the belt or belt line. Most of the belt is inclined and protrudes above the ground. The machine is placed under the belt. Once the idler pulley is above the ground, the machine is placed behind the idler pulley (16) in line with the belt. The new belt roll (14) is placed on the belt stand (2). The take-up drum (21) is raised to release the belt for the belt change. The idler pulley belt is cut. The upper part of the belt, which is on the tension rollers, is connected to the new belt roll with fasteners. The other part of the return belt is passed through the roller (9) and fastened to the spool elements with bolts. The drive is activated to wind up the old belt and form the roll. The new belt begins to unwind. The mechanism continues to run until the temporary connection point reaches the machine.The machine is stopped and the splice is removed. The new belt remains attached to the conveyor belt. The belt is cut, and both ends are connected with fasteners. To complete the belt winding process, the take-up reel is lowered and placed on the belt.

[0041] Once the idler pulley is underground, the machine is placed underneath the belt, ensuring the belt is at the optimal height. The new belt roll is mounted on a frame. The take-up roll is lifted and the return belt is cut off. The end of the new roll is guided to the old conveyor belt up to the end near the idler pulley and secured. The end near the drive pulley (18) is guided to the machine by operating the drive pulley. As the belt is lowered to the machine, the new belt unwinds and replaces the old one. During the lowering, the belt is guided off the roll and attached to the spool. The drive for the spool is now operated and the belt change is completed. The old belt (15a) is replaced with the new belt (14a). The fastening is removed, the old roll is wound up, the new belt is cut off and secured using various fasteners.After splicing, the take-up roll (21) is lowered and the belt is ready for use. The belt rolls are removed from the conveyor belt changing / winding machine and are ready for reuse.

[0042] To form a round roll, the spool holder has equally spaced holes to form an oval roll. The distance between the two opposite holes must be increased to form an oval roll.

[0043] The drawings and the foregoing description illustrate examples of embodiments. Those skilled in the art will recognize that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be separated into multiple functional elements. Elements of one embodiment may be added to another embodiment. For example, the order of the processes described herein may be changed and is not limited to the manner described herein. Furthermore, the actions of a flowchart need not be performed in the order shown; nor do all actions need to be performed. Also, actions that are not dependent on other actions may be performed in parallel with the other actions. The scope of the embodiments is in no way limited by these specific examples.Numerous variations, whether explicitly stated in the specification or not, such as differences in structure, dimensions, and use of materials, are possible. The scope of the embodiments is at least as broad as indicated by the following claims.

[0044] Advantages, further benefits, and solutions to problems have been described above with reference to specific embodiments. However, the advantages, advantages, solutions to problems, and any components that may result in or enhance an advantage, advantage, or solution are not to be construed as a critical, required, or essential feature or component of any or all of the claims. REFERENCES 100 Block diagram or schematic representation of a portable machine for changing / rewinding conveyor belts. 1 changing stand 2 belt racks 4 spool holders 5 Drive sprocket 8 Guide 8a Main structure 8b Supporting structure 8c Main tour 8d guide tube 8th Pivot 9 roll 9a Conical guide 10 wheels 12 gearboxes 13a, 13b, 13c, 13d coil element 13e bolt 14 Second belt 15 First tape roll 15a First belt 16 pulley 18 Head roller 21 Tension pulley 22 Output shaft 22a Drive shaft 24 connecting piece

Claims

[1] A portable conveyor belt changing / winding machine, the machine comprising: a winding stand (1), wherein a winding spool assembly is mounted on the winding stand (1); a belt stand (2) for receiving a second belt (14) when replacing a first belt (15a), the belt (14) being held and rotated by a guide (8); a roller (9) with a conical guide (9a) for reducing misalignments when replacing a first belt (15a) configured to run from a guide (8), the first belt (15a) being releasably attached to a spool member (13a) by a plurality of bolts (13e), a winding spool being actuated by a motor to form a first belt roller (15) to wind up the first belt (15a) and later loosening the bolts on the spool holders (4) to remove the first belt roller (15) and detach the spool member (13a) from the first belt (15a); and a second belt (14a) configured to replace the first belt (15a) by positioning the machine behind a deflection pulley (16) / take-up pulley (21), wherein the take-up pulley (21) is lifted to loosen the belt (15a), wherein the upper part of the second belt (14a) is placed on at least one tensioning pulley (17) coupled to the second belt (14) using fasteners and a temporary fastening connection (24), wherein the first belt (15a) is passed through the pulley (9) and screwed to the spool element (13a) to wind the first belt (15a) onto the first belt roll (15), wherein the second belt roll (14) is unwound via a conveyor belt, while the second belt (14a) and the temporary fastening connections (24) are removed once the machine is stopped to form the first belt roll (15),wherein the second belt (14a) attached to the conveyor belt is slit and fastened by vulcanizing compounds., [2] The machine according to claim 1, wherein the winding spool assembly comprises: drive shaft (22a), drive spool holder (4a), spool elements (13 and 13a), driven spool holder (4) and driven shaft (22), wherein the spool elements (13 and 13a) are fixed to the spool holders (4 and 4a) and consist of a plurality of elements (13b, 13c, 13d) with a hexagonal opening to limit the torque of a screw (13e). [3] A machine according to claim 2, wherein the drive shaft (22a) is welded concentrically to a drive sprocket (5) and the drive spool holder (4a) on a first side, and the spool holder (4) and the driven shaft (22) are welded on a second side, the spool holder (4) holding the spool elements concentrically by bolt fastening. [4] Machine according to claim 3, wherein the drive is actuated by a drive sprocket (5) of the transmission (12) and driven by a mechanical motor. [5] Machine according to claim 1, wherein the guide (8) consists of a main structure (8a), a support structure (8b), guide tubes (8d), a main guide (8c) and a pivot point (8e), so that the main structure (8a) and the support structure (8b) are rotatably mounted on pivot points (8e) on the machine and can be adjusted at different angles. [6] Machine according to claim 1, wherein the guide (8) directs the second belt (15a) to form a uniform roll (15), and the guide tubes (8d) eliminate the twist in the belts, the main guide (8c) guides the belt and slides freely on the guide tubes (8d), the motor is started to rotate the spool and form the uniform belt roll (5), and later removed by removing the roll (9) and adjusting the guide. [7] A machine according to claim 1, wherein the reel (9) and the bolts are removed with the assistance of the jack or the crane on the reel, the reel falling down and the spool elements (13) being removed to remove the tape reel and reuse the spool elements. [8] A machine according to claim 1, wherein a drive drum (18) is connected to the idler drum (16) and is brought towards the machine, the belt being lowered towards the machine to unwind and replace the first belt (15a) by passing the belt (15a) through a pulley (9) and fixing it to the reel, the drive for the reel being actuated to replace the first belt with the second belt. [9] A machine according to claim 1, wherein the structure and shape of a secondary guide (9a) accommodates small misalignments, the guide comprising a flat, concentric, circular plate to the roller, which then becomes concave so that everything is concentric and has the shape of the secondary guide (9a).

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