KR20160126758A - Apparatus for preventing swerving of belt conveyor - Google Patents

Apparatus for preventing swerving of belt conveyor Download PDF

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Publication number
KR20160126758A
KR20160126758A KR1020150058250A KR20150058250A KR20160126758A KR 20160126758 A KR20160126758 A KR 20160126758A KR 1020150058250 A KR1020150058250 A KR 1020150058250A KR 20150058250 A KR20150058250 A KR 20150058250A KR 20160126758 A KR20160126758 A KR 20160126758A
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KR
South Korea
Prior art keywords
housing
weight
driving
main body
pulley
Prior art date
Application number
KR1020150058250A
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Korean (ko)
Inventor
조승한
명재구
Original Assignee
현대제철 주식회사
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Priority to KR1020150058250A priority Critical patent/KR20160126758A/en
Publication of KR20160126758A publication Critical patent/KR20160126758A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
    • B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/02—Belt or chain conveyors
    • B65G2812/02128—Belt conveyors
    • B65G2812/02138—Common features for belt conveyors
    • B65G2812/02168—Belts provided with guiding means, e.g. rollers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

An invention relating to a skew prevention device for a belt conveyor is disclosed. The present invention provides a skew prevention device for a belt conveyor comprising: a weight pulley engaged with a belt member; a housing part rotatably supporting the weight pulley; a working arm part projecting to both sides of the housing part and linearly moved; And a tension weight portion connected to the operation arm portion and moved together with the operation arm portion to change the installation angle of the weight pulley.

Figure P1020150058250

Description

TECHNICAL FIELD [0001] The present invention relates to an anti-skew prevention device for a belt conveyor,

The present invention relates to a skew prevention device for a belt conveyor, and more particularly, to a skew prevention device for a belt conveyor capable of preventing skewing of a belt member by sensing a skew of the belt member and moving the tension weight portion.

Generally, a belt conveyor is a device for conveying a large amount of conveyed matter by a belt supported by a plurality of rollers, and is mainly used for a conveying device and an automation line. A drive roller is provided on both sides of the belt member for transporting the transported goods, and a tension weight box and a plurality of roller members are provided below the belt member located between the drive rollers.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2013-0034493 (titled "Belt Conveyor Tensioning Apparatus").

According to one embodiment of the present invention, there is provided a skew prevention device for a belt conveyor that can prevent skewing of a belt member by detecting a skew of the belt member and moving the tension weight portion.

A weighing prevention device for a belt conveyor according to the present invention comprises: a weight pulley engaged with a belt member; a housing part rotatably supporting the weight pulley; an operating arm part protruding from both sides of the housing part and linearly moved; And a tension weight portion connected to the driving portion and the operating arm portion and moved together with the operating arm portion to change an installation angle of the weight pulley.

Further, the present invention is characterized in that a sensor bracket extending from the housing portion and positioned in a lateral direction of the belt member, and a meandering sensor member and a meandering sensor member which are fixed to the sensor bracket and measure the meandering of the belt member, And a control unit for controlling the operation of the driving unit.

Preferably, the housing portion includes a support portion for rotatably supporting both sides of the weight pulley, and a main body housing fixed to a lower side of the support portion and having a drive portion inside.

The operating arm portion includes a first member connected to the driving portion and positioned inside the main housing, a second member extending from the first member protruding outside the main housing, and a safety roller rotatably connected to the second member .

In addition, the second member is preferably protruded to both sides of the main body housing and connected to the tension weight portion, and the tension weight portion is moved by the operation of the driving portion.

The driving unit may include a driving body fixed to the inside of the main body housing and a driving rod projecting from the driving body and connected to the first member.

The tension weight portion preferably includes a connecting piece connected to the second member and moved together with the second member, and a link member connecting the weight body positioned below the connecting piece and the connecting piece and the weight body.

It is also preferable that the present invention further includes a rotation connection portion that is rotatably connected to the support guide and the support guide, which are engaged with the guide hole portion of the main body housing and slide in the longitudinal direction of the main body housing, and are fixed to the tension weight portion.

The weight conveying device according to the present invention is a device for detecting the skew of a belt conveyor by detecting the skew of the belt member by the meandering sensor member and moving the tension weight portion, and the weight pulley connected to the tension weight portion is rotated obliquely, It is possible to prevent the belt member from skewing.

1 is a schematic view showing a state in which a skew prevention device for a belt conveyor according to an embodiment of the present invention is installed.
2 is a perspective view schematically showing a skew prevention device for a belt conveyor according to an embodiment of the present invention.
3 is a front view schematically showing a skew prevention device for a belt conveyor according to an embodiment of the present invention.
FIG. 4 is a front view schematically showing a state in which a meandering sensor member according to an embodiment of the present invention senses a skew of a belt member. FIG.
5 is a front view schematically showing a state in which the tension weight portion is moved together with the operation arm portion according to the embodiment of the present invention, and the weight pulley is inclined.
6 is a block diagram of a skew prevention device for a belt conveyor according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a skew prevention device for a belt conveyor according to an embodiment of the present invention will be described with reference to the accompanying drawings. For convenience of explanation, an anti-skew device for a belt conveyor installed in a transfer section of a steel mill is taken as an example. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

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

FIG. 1 is a view schematically showing a state in which a skew prevention device for a belt conveyor according to an embodiment of the present invention is installed, FIG. 2 is a schematic view of a skew prevention device for a belt conveyor according to an embodiment of the present invention FIG. 3 is a front view schematically showing a skew prevention device for a belt conveyor according to an embodiment of the present invention. FIG. 4 is a perspective view of a skew detecting sensor according to an embodiment of the present invention, FIG. 5 is a front view schematically showing a state in which the tension weight portion is moved with the operating arm portion according to the embodiment of the present invention and the weight pulley is inclined, and FIG. 6 is a front view 1 is a block diagram of a skew prevention device for a belt conveyor according to an embodiment.

1 to 3, a skew prevention device 1 for a belt conveyor according to an embodiment of the present invention includes a weight pulley 20 engaged with a belt member 12, a weight pulley 20 A driving arm portion 40 protruding from both sides of the housing portion 30 and linearly moved; a driving portion 50 and an operating arm portion 40 for moving the operating arm portion 40; And a tension weight portion 60 which is connected to the operation arm portion 40 and is moved together to change the installation angle of the weight pulley 20.

A belt conveyor (10) for conveying a raw material of steelworks includes a belt member (12) rotating in an endless track. A pulley member 14 is disposed on both sides of the belt member 12 and a supporting roller 16 supports the lower portion of the belt member 12 between the pulley members 14.

The weight pulley 20 is provided on the path where the belt member 12 returns to the lower side via the pulley member 14. [ The weight pulley is installed in the width direction of the belt member 12 and the weight pulley 20 is inserted into the inside of the belt member 12 curved in a U shape to adjust the tension of the belt member 12 . The rotation shaft 22 of the weight pulley 20 is rotatably installed in the housing part 30. [

The housing part 30 may be formed in various shapes within the technical idea of rotatably supporting the weight pulley 20. The housing portion 30 according to one embodiment includes a support portion 32 for rotatably supporting both sides of the weight pulley 20 and a support portion 32 fixed to the lower side of the support portion 32, And a housing (34).

The support portion 32 is formed in a shape of a letter "L" having an open upper side and a rotary shaft 22 protruding from both sides of the weight pulley 20 is rotatably installed in the support portion 32. The main body housing 34 fixed to the lower side of the support part 32 may be formed in various shapes within the technical idea having a space in which the driving part 50 and the operation arm part 40 are installed inside. The body housing 34 according to one embodiment is formed in a rectangular parallelepiped shape.

The operating arm portion 40 is installed on both sides of the housing portion 30 so as to be linearly movable. The operating arm 40 according to one embodiment includes a first member 42 connected to the driving unit 50 and positioned inside the main housing 34 and a second member 42 extending from the first member 42 to be connected to the main housing 34 And a safety roller 46 rotatably connected to the second member 44. The second member 44 includes a first member 44 and a second member 44,

The first member 42 and the second member 44 are installed in a horizontal direction (refer to FIG. 2), the first member 42 is located inside the main housing 34, Extending from the first member 42 and projecting laterally of the main housing 34. A safety roller (46) is rotatably installed at the end of the second member (44) protruding outside the main body housing (34). The second member 44 projects to both sides of the main body housing 34 and is connected to the tension weight portion 60 and moves the tension weight portion 60 by the operation of the driving portion 50.

The safety roller 46 is provided in a state spaced apart from the guide bars 120 provided on both sides of the anti-skid device 1 for the belt conveyor, and if necessary, the safety roller 46 contacts the guide bar 120, The pulley 20 and the tension weight portion 60 can be stably moved. The guide bar 120 is positioned on both sides of the tension weight portion 60 and extends in the vertical direction.

Various driving devices can be used in the driving part 50 within the technical idea of moving the operating arm part 40. [ The driving unit 50 according to one embodiment includes a driving body 52 fixed to the inside of the main body housing 34 and a driving rod 54 protruding from the driving body 52 and connected to the first member 42. [ .

Since the pressure of the fluid is supplied to the driving body 52, the driving rod 54 connected to the driving body 52 is moved in a linear direction. The driving rod 54 is connected to the first member 42 of the operating arm 40 so that the first member 42 is also moved by the movement of the driving rod 54. [ As the driving unit 50, a hydraulic cylinder or a pneumatic cylinder may be used, and an electric motor or a linear transfer device may be used if necessary.

The two driving arm portions 40 are connected to the two ends of the driving arm portion 40 protruding from both sides of the main body housing 34 so that the driving arm portions 40 are moved in different directions . For example, when the tension weight portion 60 is moved to one side in the longitudinal direction D (the reference right side in FIG. 2), the operation arm portion 40 protruding to one side of the main body housing 34 is located outside the main body housing 34 And the operation arm portion 40 protruded to the other side of the main body housing 34 is moved toward the inside of the main body housing 34.

The tension weight portion 60 is connected to the operation arm portion 40 and may be formed in various shapes within the technical concept of moving together with the operation arm portion 40 to change the installation angle of the weight pulley 20. [ The tension weight portion 60 according to one embodiment includes a connecting piece 62, a weight body 64, and a link member 66.

The connecting piece 62 is connected to the second member 44 and is moved together with the second member 44. The connecting piece 62 according to one embodiment is installed in a direction orthogonal to the second member 44 of the operating arm portion 40 protruding outward of the housing portion 30 and is fixed to the second member 44, Two members 44 are moved in a linear direction.

The weight body 64 is located below the connecting piece 62 and imparts tension to the belt member 12 together with the weight pulley 20. And the number of weights in the weight body 64 can be increased or decreased when the tension of the belt member 12 is adjusted. The weight body 64 according to another embodiment of the present invention is formed as a single member and positioned below the housing part 30. [

The link member 66 connects the connecting piece 62 with the weight body 64 and transfers the power so that the weight body 64 can be moved together when the operating arm 40 is moved. The link member 66 according to one embodiment includes a first link 67 connected to the connecting piece 62 and a second link 68 connecting the first link 67 and the weight body 64. Both sides of the first link 67 are rotatably connected to the connecting piece 62 and the second link 68. One side of the second link 68 is rotatably connected to the first link 67, The other side of the second link 68 is fixed to the weight body 64.

The anti-skid device 1 for a belt conveyor may further include a sensor bracket 70, a skew detection sensor member 80, and a controller 90. The sensor bracket 70 extends from the housing portion 30 and is positioned in the lateral direction of the belt member 12 and the meandering sensor member 80 is fixed to the sensor bracket 70 to determine whether the belt member 12 meandering .

The meandering detection sensor member 80 is operated in a non-contact manner, and measures the meandering of the belt member 12 by irradiating a light beam. The meandering sensor member 80 according to an embodiment is installed on both sides of the belt member 12 and measures the meandering of the belt member 12 by irradiating a light beam toward the side surface of the belt member 12. The sensor bracket 70 to which the meander sensor member 80 is fixed is fixed to the housing part 30. [ The sensor bracket 70 may be fixed to the support portion 32 of the housing portion 30 or fixed to the body housing 34.

The control unit 90 receives the measurement value of the meandering sensor member 80 and controls the operation of the driving unit 50. The control unit 90 receives the measurement value of the meandering sensor member 80 and operates the driving unit 50 so that the tension weight unit 60 connected to the operating arm unit 40 can be moved in the longitudinal direction D have.

The anti-skid device 1 for a belt conveyor further includes a support guide 100 which is engaged with the guide hole 36 of the main housing 34 to be slid in the longitudinal direction D of the main housing 34, 100 are rotatably connected and fixed to the tension weight portion 60 so that the movement of the tension weight portion 60 can be made safer.

The support guide 100 has a head portion having a diameter larger than the diameter of the body portion and a head portion of the support guide 100 is moved in the longitudinal direction D along the guide hole portion 36 formed on the bottom surface of the main body housing 34 . Since the diameter of the guide hole portion 36 is smaller than the head portion of the support guide 100, the upper side of the support guide 100 is caught in the guide hole portion 36. Since the diameter of the guide hole 36 is larger than the diameter of the body of the support guide 100, the body of the support guide 100 extends through the guide hole 36 to the lower side of the main body housing 34, And is rotatably installed. The rotation connection part 110 is provided in a protruding shape on the upper side of the weight body 64 and is hingedly connected to the lower side of the support guide 100.

Hereinafter, the operation of the anti-skid device 1 for a belt conveyor according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 3 and 6, the meandering sensor member 80 measures whether the belt member 12 meanders and transmits the measured value to the controller 90. The control unit 90 does not operate the driving unit 50 when the belt member 12 is normally moved.

4 and 6, when a skew movement occurs in which the belt member 12 is moved to one side (reference right side in FIG. 4) of the weight pulley 20, (12) and transmits the measured value to the controller (90).

5 and 6, the control unit 90 operates the driving unit 50 to move the second member 44 in one direction of the main housing 34. As shown in FIG. 5) of the main housing 34 moves to the outside of the drive main body 52 and the drive rod 54 at the other side (reference left side in FIG. 5) of the main housing 34 The rod 54 moves to the inside of the drive main body 52. The operating arm portion 40 is also moved by the operation of the driving portion 50 and the connecting piece 62 connected to the operating arm portion 40 is also moved.

The weight body 64 is also moved in the direction of one side of the main body housing 34 together with the operating arm 40 by the movement of the link member 66 connected to the connecting piece 62. The weight pulley 20 is rotated obliquely by the movement of the weight body 64, so that the weight pulley 20 is inclined. The belt member 12 moved to one side of the weight pulley 20 is moved to the center of the weight pulley 20 due to the inclination of the weight pulley 20,

As described above, according to the present invention, the skew detecting unit 80 detects the skew of the belt member 12 to move the tension weight unit 60, and the weight pulley 20 Is shifted obliquely to move the belt member 12 to the center of the weight pulley 20, the skew of the belt member 12 can be prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined by the appended claims. will be. Also, the anti-skid device for a belt conveyor installed in a transfer part of a steel plant has been described as an example, but the anti-skid device for a belt conveyor according to the present invention may be applied to a belt conveyor installed in another factory. Accordingly, the true scope of the present invention should be determined by the following claims.

1: Anti-skid device for belt conveyor
10: belt conveyor 12: belt member
14: pulley member 16: support roller
20: weight pulley 22: rotary shaft
30: housing part 32: support part
34: main body housing 36: guide hole portion
40: operating arm portion 42: first member
44: second member 46: safety roller
50: driving part 52:
54: driving rod 60: tension weight portion
62: connecting piece 64: weight body
66: link member 67: first link
68: second link 70: sensor bracket
80: meandering sensor member 90:
100: support guide 110:
120: Guide bar D: Longitudinal direction

Claims (8)

A weight pulley engaged with the belt member;
A housing part rotatably supporting the weight pulley;
An operating arm portion protruding from both sides of the housing portion and linearly moved;
A driving unit for moving the operating arm; And
And a tension weight portion connected to the operation arm portion and moved together with the operation arm portion to change an installation angle of the weight pulley.
The method according to claim 1,
A sensor bracket extending from the housing portion and positioned in a lateral direction of the belt member;
A meandering sensor member fixed to the sensor bracket and measuring meandering of the belt member; And
And a control unit for receiving the measured value of the meandering sensor member and controlling the operation of the driving unit.
3. The method of claim 2,
Wherein the housing portion includes: a support portion for rotatably supporting both sides of the weight pulley; And
And a main body housing fixed to a lower side of the support portion and having the driving portion installed on an inner side thereof.
The method of claim 3,
The operating arm includes: a first member connected to the driving unit and positioned inside the main housing;
A second member extending from the first member and protruding outside the main housing; And
And a safety roller rotatably connected to the second member.
5. The method of claim 4,
Wherein the second member protrudes from both sides of the main body housing and is connected to the tension weight portion, and moves the tension weight portion by the operation of the driving portion.
5. The method of claim 4,
The driving unit includes: a driving body fixed to the inside of the main body housing; And
And a drive rod protruding from the drive body and connected to the first member.
5. The method of claim 4,
The tension weight portion may include a connecting piece connected to the second member and moved together with the second member;
A weight body positioned below the connecting piece; And
And a link member connecting the connecting piece and the weight body.
8. The method according to any one of claims 3 to 7,
A support guide which is engaged with a guide hole portion of the main body housing and is slid in a longitudinal direction of the main body housing; And
And a rotation connection portion rotatably connected to the support guide and fixed to the tension weight portion.
KR1020150058250A 2015-04-24 2015-04-24 Apparatus for preventing swerving of belt conveyor KR20160126758A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484801A (en) * 2017-09-10 2019-03-19 南京梅山冶金发展有限公司 A kind of belt feeder tensioning control system and control method suitable for multistation
KR102112474B1 (en) * 2018-11-22 2020-05-20 (주)디지아이 Unwinding unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484801A (en) * 2017-09-10 2019-03-19 南京梅山冶金发展有限公司 A kind of belt feeder tensioning control system and control method suitable for multistation
CN109484801B (en) * 2017-09-10 2021-02-05 南京梅山冶金发展有限公司 Belt conveyor tensioning control system and control method suitable for multiple stations
KR102112474B1 (en) * 2018-11-22 2020-05-20 (주)디지아이 Unwinding unit

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