KR20230164872A - Apparatus for adjusting tension of belt conveyor - Google Patents

Abstract

The present invention is a tension control device for a belt conveyor, and more specifically, a fixed frame portion disposed on both sides of a belt conveyor, rotatably coupled to the fixed frame portion, and a conveying belt of the belt conveyor through contact with the conveyed raw material. It is rotatably coupled to a power generation unit that lifts and lowers from above, a power transmission unit that is coupled to the power generation unit and raises and lowers by the rotational force provided by the power generation unit, and a fixed frame unit, and is coupled to the power transmission unit to transmit power. Provided is a tension control device for a belt conveyor including a pressure control unit that selectively pressurizes the return belt of the belt conveyor according to the elevation of the belt conveyor.

Description

Tension adjusting device for belt conveyor {APPARATUS FOR ADJUSTING TENSION OF BELT CONVEYOR}

The present invention relates to a tension control device for a belt conveyor, and more specifically, to a tension control device for a belt conveyor to prevent light falling of raw materials by controlling the tension of the belt conveyor.

In general, a belt conveyor is a device that transports a large amount of transported material by a belt supported by a plurality of rollers, and is mainly used in transport devices or automated lines. Additionally, belt conveyors are mainly used in the steel industry to transport fuel materials such as iron ore and coal. Drive rollers are provided on both sides of the belt member that transports the conveyed material, and a plurality of roller members are installed on the lower side of the belt member located between the drive rollers.

The background technology of the present invention is disclosed in Korean Patent Publication No. 10-2010-0118014 (published on November 4, 2010, title of invention: Belt Conveyor).

An embodiment of the present invention provides a tension control device for a belt conveyor to prevent light falling of raw materials by adjusting the tension of the belt conveyor.

In order to achieve the above technical problem, the embodiment according to the present invention includes a fixed frame part disposed on both sides of the belt conveyor, rotatably coupled to the fixed frame part, and the belt conveyor through contact with the conveyed raw material. A power generation unit that moves up and down on a transfer belt, a power transmission unit that is coupled to the power generation unit and moves up and down by a rotational force provided from the power generation unit, and a rotatable connection to the fixed frame, and the power transmission unit is rotatably coupled to the fixed frame. Provided is a tension control device for a belt conveyor including a pressure control unit that is coupled to the unit and selectively pressurizes the return belt of the belt conveyor according to the elevation of the power transmission unit.

In addition, the power generation unit is coupled to a first roller member rotatable in contact with the raw material on the transport belt, a first rotation shaft coupled to the first roller member, and the first rotation shaft, and the lifting and lowering of the first roller member is performed. It is provided with a first moving rod that rotates through the first rotating member.

In addition, the rear end of the first moving rod is lowered as the front end rises and the rear end is raised as the front end is lowered so as to raise and lower the first roller member on the upper side of the transport belt.

In addition, the power transmission unit includes a second movable rod coupled to the first movable rod to lift and lower, a second rotation shaft rotatably coupled to the second movable rod, and a second rotation shaft spaced apart from the second rotation shaft to move the second movement. It has a third rotation axis rotatably coupled to the rod.

In addition, the pressure control unit is coupled to a second roller member rotatable in contact with the return belt, a fourth rotation shaft coupled to the second roller member, and the fourth rotation shaft, and is coupled to the second moving rod to It is provided with a third moving rod that rotates through the second rotating member to enable the second roller member to be raised and lowered.

In addition, the rear end of the third moving rod is lowered as the front end rises to lift the first roller member below the return belt, and the rear end is raised as the front end is lowered.

Additionally, the first movable rod is connected to the second movable rod through the second rotation shaft, and the third movable rod is connected to the second movable rod through the third rotation shaft.

In addition, the fixed frame unit has a support frame connecting the first movable rod and the third movable rod to each other, the first movable rod is disposed at the top of the support frame and rotates, and the third movable rod is It is placed at the bottom of the support frame and rotates.

The tension control device for a belt conveyor according to the present invention includes a fixed frame part, a power generation part, a power transmission part, and a pressure control part, so that the tension of the belt conveyor can be adjusted in response to the installation environment of the belt conveyor, so that the raw material on the belt conveyor Because the falling light phenomenon is prevented, continuous transfer of raw materials is maintained during belt conveyor work, which has the effect of improving productivity.

In addition, the power generation unit of the tension adjusting device for a belt conveyor includes a first roller member, a first rotation shaft, and a first moving rod, so that the first roller member rotates the first moving rod while maintaining contact with the conveyed raw material, thereby generating power. Since the tension corresponding to the raw materials transported on the conveying belt is maintained through the process of transmitting power from the transmission unit to the pressure control unit, the cost and time of collection work due to the falling light phenomenon of raw materials can be minimized.

Figure 1 is a perspective view showing a tension adjusting device for a belt conveyor according to an embodiment of the present invention.
Figure 2 is a side view showing a tension adjusting device for a belt conveyor according to an embodiment of the present invention.
Figure 3 is a partial perspective view showing a tension adjusting device for a belt conveyor according to an embodiment of the present invention.
Figures 4 and 5 are diagrams showing the operating principle of the tension adjusting device for a belt conveyor according to an embodiment of the present invention.
Figures 6 and 7 are views schematically showing an application example of a tension adjusting device for a belt conveyor according to an embodiment of the present invention.

Hereinafter, a tension adjusting device for a belt conveyor according to an embodiment of the present invention will be described with reference to the attached drawings. In this process, the thickness of lines or sizes of components shown in the drawing may be exaggerated for clarity and convenience of explanation.

Additionally, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1 is a perspective view showing a tension adjusting device for a belt conveyor according to an embodiment of the present invention, Figure 2 is a side view showing a tension adjusting device for a belt conveyor according to an embodiment of the present invention, and Figure 3 is an embodiment of the present invention. This is a partial perspective view showing the tension control device for the belt conveyor, and will be explained based on this. However, the tension adjusting device for a belt conveyor according to the present invention is shown and described as an embodiment of the redundant components implemented on both sides of the belt conveyor.

As shown in Figures 1 to 3, the tension adjusting device 100 for a belt conveyor according to the present invention includes a fixed frame part 110, a power generating part 130, a power transmitting part 150, and a pressure adjusting part ( 170).

The belt conveyor 50 consists of a belt portion 51 having a transfer belt 51a, a return belt 51b, and a pulley 51c, and a chute 53 through which the raw material 10 flows.

The belt portion 51 is disposed on the upper part of the base frame portion 110, and a chute 53 is disposed on one side of the belt portion 51, so that the raw material 10 is transferred toward the chute 53, and the chute 53 ) The raw material 10 transported inside falls downward of the belt conveyor 50.

The transfer belt (51a) is located on the upper part of the return belt (51b), the return belt (51b) is located on the lower side of the transfer belt (51a), and the pulley (51c) is connected to the transfer belt (51a) and the return belt (51b). It is placed on both sides to move the transfer belt (51a) and the return belt (51b).

The transfer belt 51a transfers the raw material 10 to the chute 53, and the return belt 51b returns after transferring the raw material 10.

The fixed frame portion 110 is formed to extend along the longitudinal direction of the transfer belt 51a and the return belt 51b, and is installed integrally with the frame (not shown) of the belt conveyor 50 or is installed to enable assembly and is attached to the belt conveyor. It is placed on both sides of (50).

A support frame 113 connecting the power generation unit 130 and the tension control unit is coupled to the fixed frame unit 110, and the power generation unit 130 and the tension control unit operate based on the support frame 113, A detailed explanation of this will be provided later.

The power generation unit 130 is rotatably coupled to the support frame 113 of the fixed frame unit 110, and is connected to the transfer belt 51a of the belt conveyor 50 so that the moving force is transmitted through contact with the raw material 10. It operates to lift and lower from above, and is provided with a first roller member 135, a first rotation shaft 133, and a first moving rod 131.

The first roller member 135 has a cylindrical shape so as to be rotatable in contact with the raw material 10 on the transport belt 51a, and is arranged to extend along the width direction of the transport belt 51a.

The first rotation shaft 133 is coupled through the longitudinal center of the first roller member 135 so that the first roller member 135 can rotate in contact with the raw material 10.

The first moving rod 131 has a square pillar shape extending along the longitudinal direction of the transport belt 51a, and is connected to the first rotation shaft 133 to lift and move the first roller member 135.

The power transmission unit 150 is coupled to the power generation unit 130 and includes a second moving rod 151, a second rotation shaft 153, and a third so as to move up and down by the rotational force provided by the power generation unit 130. It is provided with a rotation axis (155).

The second movable rod 151 has a square pillar shape extending along the direction in which the first movable rod 131 is bent, and is connected to the end of the first movable rod 131 to rotate from the first movable rod 131. Elevates with power provided.

The second rotation shaft 153 penetrates and couples the first movable rod 131 and the second movable rod 151 so that the rotational force of the first movable rod 131 is provided to the second movable rod 151.

The third rotation shaft 133 is spaced apart from the second rotation shaft and is rotatably coupled to the second moving rod.

The pressure control unit 170 is rotatably coupled to the fixed frame unit 110, and is coupled to the power transmission unit 150 to move the return belt 51b of the belt conveyor 50 according to the elevation of the power transmission unit 150. It is provided with a second roller member 175, a fourth rotation shaft 173, and a third moving rod 171 to selectively pressurize.

The first roller member 135 has a cylindrical shape so that it can rotate while contacting the lower side, and is arranged to extend along the width direction of the return belt 51b.

The fourth rotation shaft 173 is coupled through the longitudinal center of the second roller member 175 so that the second roller member 175 can rotate by contacting the lower side of the return belt 51b.

The third moving rod 171 has a square pillar shape extending along the longitudinal direction of the return belt 51b, and is connected to the fourth rotation shaft 173 to move the second roller member ( 175) is raised.

In the configuration of the tension adjusting device 100 for a belt conveyor described above, the fixed frame portion 110 of the tension adjusting device 100 for a belt conveyor connects the first moving rod 131 and the third moving rod 171 to each other. It is provided with a connecting support frame (113).

The first moving rod 131 is disposed at the top of the support frame 113 so as to contact the upper side of the transport belt 51a with respect to the support frame 113 and rotates through the first rotating member 113a.

The third moving rod 171 is disposed at the lower end of the support frame 113 so as to contact the lower side of the return belt 51b with respect to the support frame 113 and can be rotated through the second rotating member 113b.

The first movable rod 131 is connected to the second movable rod 151 through the second rotation shaft 153, and the third movable rod 171 is connected to the second movable rod 151 through the third rotation shaft 155. ) are connected to each other, and the rotational force provided from the first movable rod 131 can be provided to the third movable rod 171 as it is transmitted to the lifting operation of the second movable rod 151.

The support frame 113 is connected to each other through the first moving rod 131 and the first rotating member 113a, and is connected to each other through the third moving rod 171 and the second rotating member 113b, and the support frame The first movable rod 131 and the second movable rod 151 can be connected to each other through (113).

The first rotating member 113a is disposed at the top of the support frame 113 and connects the first moving rod 131, thereby serving as a reference point for rotation of the first moving rod 131.

The second rotating member 113b is disposed at the lower end of the support frame 113 so as to be spaced apart from the first rotating member 113a along the longitudinal direction of the support frame 113 and connects the third moving rod 171. 3 It serves as a reference point for rotation of the movable rod 171.

The first movable rod 131 and the third movable rod 171 are arranged parallel to each other and spaced apart from each other based on the longitudinal direction of the support frame 113 to implement rotation.

The support frame 113 and the second movable rod 151 are arranged parallel to each other and spaced apart based on the longitudinal direction of the first movable rod 131 and the third movable rod 171, so that the second movable rod 151 is Rotation is implemented, and the support frame 113 supports the rotation of the first movable rod 131 and the third movable rod 171.

In the fixed frame unit 110, a pair of guide roller units 190 that rotate in contact with the return belt 51b are arranged to be spaced apart, and a power generation unit 130 and a power generator are provided at the spaced positions between the guide roller units 190. A transmission unit 150 and a pressure control unit 170 are disposed.

Hereinafter, the operating principle and application examples of the tension adjusting device for a belt conveyor according to the present invention will be described in detail with reference to FIGS. 1 to 3 described above.

Figures 4 and 5 are diagrams showing the operating principle of the tension adjusting device for a belt conveyor according to an embodiment of the present invention, and Figures 6 and 7 show an application example of the tension adjusting device for a belt conveyor according to an embodiment of the present invention. This is a schematic drawing.

As shown in FIGS. 4 and 6, the tension adjusting device 100 for a belt conveyor is installed inclined at α° on the ground level (G.L.) and the power generation unit 130 is installed on the transport belt 51a. It rotates while maintaining contact with, and the tension adjuster rotates while maintaining contact with the return belt (51b).

The tension control device 100 for a belt conveyor includes a fixed frame part 110, a power generation part 130, and a power transmission unit to prevent the raw material 10 from falling due to the meandering phenomenon (sag) of the transport belt 51a. It includes a unit 150 and a pressure control unit 170.

The fixed frame portion 110 is formed to extend along the longitudinal direction of the transfer belt 51a and the return belt 51b, and is installed integrally with the frame (not shown) of the belt conveyor 50 or is installed to enable assembly and is attached to the belt conveyor. It is placed on both sides of (50).

A support frame 113 connecting the power generating unit 130 and the tension adjusting unit to each other is coupled to the fixed frame unit 110.

The power generation unit 130 is rotatably coupled to the support frame 113 of the fixed frame unit 110, and is connected to the transfer belt 51a of the belt conveyor 50 so that the moving force is transmitted through contact with the raw material 10. It operates to lift and lower from above, and is provided with a first roller member 135, a first rotation shaft 133, and a first moving rod 131.

The power transmission unit 150 is coupled to the power generation unit 130 and includes a second moving rod 151, a second rotation shaft 153, and a third so as to move up and down by the rotational force provided by the power generation unit 130. It is provided with a rotation axis (155).

The pressure control unit 170 is rotatably coupled to the fixed frame unit 110, and is coupled to the power transmission unit 150 to move the return belt 51b of the belt conveyor 50 according to the elevation of the power transmission unit 150. It is provided with a second roller member 175, a fourth rotation shaft 173, and a third moving rod 171 to selectively pressurize.

The second movable rod 151 and the support frame 113 are arranged parallel to each other and spaced apart from each other based on the longitudinal direction of the first movable rod 131 and the third movable rod 171.

In the fixed frame unit 110, a pair of guide roller units 190 that rotate in contact with the return belt 51b are arranged to be spaced apart, and a power generation unit 130 and a power generator are provided at the spaced positions between the guide roller units 190. A transmission unit 150 and a pressure control unit 170 are disposed.

As shown in Figures 5 and 7, the raw material 10 on the transport belt 51a is transferred toward the chute 53 in a state where the tension adjusting device 100 for the belt conveyor is installed inclined at α° at the work site. In this case, the frequency of the meandering phenomenon in the conveying belt 51a of the belt conveyor 50 increases, which may cause falling light on the raw material 10 being transported.

The power generation unit 130 rotates while maintaining contact with the first roller member 135 in response to the size (material scale such as volume and amount) of the conveyed raw material 10, and rotates at the top of the support frame 113. The possibly coupled first movable rod 131 is lifted and lowered.

The first moving rod 131 has a rear end lowered as the front end rises and a front end lowered with respect to the first rotating member 113a to elevate the first roller member 135 from the upper side of the transport belt 51a. Accordingly, an operation in which the rear end is raised is implemented.

The first moving rod 131 uses the first rotating member 113a coupled to the top of the support frame 113 as a reference point, and the front end rises at an angle of θ1°, and the rear end curves downwards at an angle of θ2° to provide power. As power is transmitted to the second movable rod 151 of the transmission unit 150, the second movable rod 151 is lowered.

The power transmission unit 150 is connected to the third moving rod 171 through the third rotation shaft 155 and receives power for rotation.

The third moving rod 171 has its rear end lowered as the front end rises with respect to the second rotating member 113b to lift the second roller member 175 from the lower side of the return belt 51b, and the front end lowers. Accordingly, an operation in which the rear end is raised is implemented.

The third moving rod 171 has a front end rising at an angle of θ4° and a rear end curved descending at an angle of θ3°, using the second rotating member 113b coupled to the bottom of the support frame 113 as a reference point. The second roller member 175 rises to press the lower side of the return belt 51b.

The size of θ4°, which is the elevation movement angle of the pressure control unit 170, may vary depending on θ1°, the elevation movement angle of the power generation unit 130, and accordingly, the ranges of elevation movement of θ1° and θ4° are the same. It may be different.

The first movable rod 131 is connected to the second movable rod 151 through the second rotation shaft 153, and the third movable rod 171 is connected to the second movable rod 151 through the third rotation shaft 155. ) are connected to each other, and the rotational force provided from the first movable rod 131 can be provided to the third movable rod 171 as it is transmitted to the lifting operation of the second movable rod 151.

The pressure adjusting unit 170 transmits the pressurizing force linked to the rotation of the power generating unit 130 to the lower side of the return belt 51b according to the operating principle of the tension adjusting device 100 for the belt conveyor described above to transfer the conveying belt 51a. ) is adjusted in the direction of the arrows A and B, and all of the raw materials 10 on the transport belt 51a are transported, an operation that returns to the reverse order of the above-described operation process can be implemented.

As a result, the tension adjusting device 100 for a belt conveyor includes a fixed frame portion 110, a power generating portion 130, a power transmitting portion 150, and a pressure adjusting portion 170, so that the belt conveyor 50 Since the tension of the belt conveyor 50 can be adjusted in response to the installation environment, the falling light phenomenon caused by the raw material 10 on the belt conveyor 50 is prevented, allowing continuous transportation of the raw material 10 when working on the belt conveyor 50. This has the effect of improving productivity.

The power generation unit 130 of the tension adjusting device 100 for a belt conveyor includes a first roller member 135, a first rotation shaft 133, and a first moving rod 131, so that the first roller member 135 Since the first moving rod 131 is rotated while maintaining contact with the transported raw material 10, the power is transmitted from the power transmission unit 150 to the pressure control unit 170 on the transfer belt 51a. Since the tension corresponding to the raw material 10 transported to is maintained, the cost and time of the collection operation due to the falling light phenomenon of the raw material 10 can be minimized.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely illustrative, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom. will be. Therefore, the true technical protection scope of the present invention should be determined by the scope of the patent claims below.

10: Raw material 50: Belt conveyor
51: belt part 51a: transfer belt
51b: return belt 51c: pulley
53: suit
100: Tension adjustment device for belt conveyor
110: fixed frame part 113: support frame
113a: first rotating member 113b: second rotating member
130: Power generation unit 131: First moving rod
133: first rotation shaft 135: first roller member
150: Power transmission unit 151: Second moving rod
153: second rotation axis 155: third rotation axis
170: Pressure control unit 171: Third moving rod
173: fourth rotation axis 175: second roller member
190: Guide roller

Claims (8)

Fixed frame portions disposed on both sides of the belt conveyor;
A power generating unit rotatably coupled to the fixed frame and operating to lift and lower the conveying belt of the belt conveyor through contact with the conveyed raw material;
A power transmission unit that is coupled to the power generation unit and moves up and down by a rotational force provided from the power generation unit; and
A pressure control unit rotatably coupled to the fixed frame and coupled to the power transmission unit to selectively pressurize the return belt of the belt conveyor according to the elevation of the power transmission unit;
A tension adjusting device for a belt conveyor comprising a.
According to claim 1,
The power generation unit,
a first roller member capable of rotating in contact with the raw material on the transfer belt;
a first rotation shaft coupled to the first roller member; and
a first moving rod coupled to the first rotating shaft and rotating through the first rotating member to enable elevation of the first roller member;
A tension adjusting device for a belt conveyor, characterized in that it has a.
According to claim 2,
The first moving rod is,
A tension adjusting device for a belt conveyor, wherein the rear end is lowered as the front end rises and the rear end is raised as the front end lowers to elevate the first roller member on the upper side of the conveyor belt.
According to claim 2,
The power transmission unit,
a second movable rod coupled to the first movable rod to lift and lower;
a second rotation shaft rotatably coupled to the second moving rod; and
a third rotation shaft spaced apart from the second rotation shaft and rotatably coupled to the second moving rod;
A tension adjusting device for a belt conveyor, characterized in that it has a.
According to claim 4,
The pressure control unit,
a second roller member capable of rotating in contact with the return belt;
a fourth rotation shaft coupled to the second roller member; and
a third movable rod coupled to the fourth rotation shaft and coupled to the second movable rod to rotate through the second rotation member to enable elevation of the second roller member;
A tension adjusting device for a belt conveyor, characterized in that it has a.
According to claim 5,
The third moving rod is,
A tension adjusting device for a belt conveyor, wherein the rear end is lowered as the front end rises and the rear end is raised as the front end lowers to elevate the first roller member below the return belt.
According to claim 5,
The first movable rod is connected to the second movable rod through the second rotation shaft,
The third movable rod is connected to the second movable rod through the third rotation shaft.
According to claim 7,
The fixed frame portion has a support frame connecting the first movable rod and the third movable rod to each other,
The first movable rod is disposed at the upper end of the support frame and rotates, and the third movable rod is disposed at the lower end of the support frame and rotates.

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