WO2012034420A1 - 一种输送带调偏装置及伸缩式皮带输送车 - Google Patents

一种输送带调偏装置及伸缩式皮带输送车 Download PDF

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Publication number
WO2012034420A1
WO2012034420A1 PCT/CN2011/075532 CN2011075532W WO2012034420A1 WO 2012034420 A1 WO2012034420 A1 WO 2012034420A1 CN 2011075532 W CN2011075532 W CN 2011075532W WO 2012034420 A1 WO2012034420 A1 WO 2012034420A1
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WO
WIPO (PCT)
Prior art keywords
roller
conveyor belt
connecting member
conveyor
force transmitting
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PCT/CN2011/075532
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English (en)
French (fr)
Inventor
高晓汉
刘可可
李扬
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2012034420A1 publication Critical patent/WO2012034420A1/zh

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Classifications

    • 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
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10—Arrangements of rollers
    • B65G39/12—Arrangements of rollers mounted on framework
    • B65G39/16—Arrangements of rollers mounted on framework for aligning belts or chains

Definitions

  • the invention relates to a belt adjusting device and a telescopic belt conveyor.
  • the application is submitted to the Chinese Patent Office on September 14, 2010, and the application number is 201010283870.6.
  • the invention name is "a conveyor belt adjusting device and a telescopic belt conveyor”. The priority of the Chinese Patent Application, the entire contents of which is incorporated herein by reference.
  • the invention relates to the technical field of belt transmission equipment, in particular to a conveyor belt deflection device.
  • the present invention also relates to a telescopic belt transport vehicle having the above-described conveyor belt deflecting device.
  • the telescopic belt conveyor is an open material conveying equipment. It has a wide range of conveying materials and can transport three grades of dip or even higher grades. Therefore, in order to improve project quality, schedule and increase production efficiency, many large-scale projects
  • the project uses telescopic belt transport vehicles to transport materials.
  • the improvement in preventing the deviation of the conveyor belt at home and abroad is mainly to change the displacement of the carrying roller to change the position of the conveyor belt in the track.
  • the conveyor belt support frame of the telescopic belt conveyor is a cantilever structure, which requires high space and cannot be arranged with a load roller that can change displacement or rotation. Therefore, the above-mentioned improvement of the deviation of the conveyor belt is not applicable to the telescopic belt. Improvement of the conveyor belt of the conveyor.
  • Chinese Patent Application No. 98216745.8 discloses a correcting device that can be applied to long-distance belt conveying.
  • the patent is realized by the principle of lever, which can realize automatic correcting and is suitable for correcting the deviation of the carrying roller, but the device takes up a large space and expands and contracts.
  • a special vehicle that uses conveyor belts to transport materials, such as belt conveyors has a small distance between the upper and lower sides of the conveyor belt, and cannot be installed with a correcting device along the height of the conveyor belt support. Therefore, the correcting device cannot be used for telescopic belt conveyors.
  • a first object of the present invention is to provide a conveyor belt deflecting device which has a small footprint and is suitable for use in a telescopic belt conveyor.
  • a second object of the present invention is to provide a telescopic belt conveyor having the above-described conveyor belt deflecting device.
  • the present invention provides a conveyor belt deflecting device for deflecting a conveyor belt, including a conveyor belt support frame, a reversing drum, a drum bracket, and a swing rod, respectively disposed on a left stop roller and a right stop roller on both sides of the conveyor belt; one end of the left stop roller is adjacent to the conveyor belt, and the other end is hinged to the conveyor belt support frame; one end of the right stop roller is adjacent to the conveyor belt, and the other end is Hinged with the conveyor belt support frame; one end of the swing rod is fixed to the drum bracket, and the two sides of the other end are respectively connected to the left and right speed rollers by a first force transmitting member and a second force transmitting member .
  • the rod body of the swing rod is hinged to the conveyor belt support frame by a first pin shaft.
  • the utility model further includes a laterally disposed tail rod, the rod body of the tail rod is fixed to the swing rod, and the first force transmitting member and the second force transmitting member are connected to the swing rod through a tail rod.
  • the first force transmitting member includes a first connecting member and a third connecting member
  • the second force transmitting member includes a second connecting member and a fourth connecting member
  • the balance bar is hinged with a balance bar;
  • One end of the first connecting member is connected to the left stop roller, and the other end is connected to the first end of the balance bar;
  • one end of the second connecting member is connected to the right stop roller, and the other end is balanced with the balance a second end of the balance rod is connected;
  • a first end of the balance rod is connected to one end of the tail rod through a third connecting member, and a second end of the balance rod passes through the fourth connecting member and the other end of the tail rod Connected at one end.
  • the first roller and the second roller are respectively disposed at two ends of the tail bar, and the first roller and the second roller respectively abut the first wedge-shaped slider respectively disposed on the conveyor support frame.
  • a second wedge-shaped slider wherein the first wedge-shaped slider and the second wedge-shaped slider are respectively connected to the third connecting member and the fourth connecting member.
  • the first connecting member and the second connecting member are both wire ropes or both pull rods.
  • the third connecting member and the fourth connecting member are both pull rods.
  • the first force transmitting member and the second force transmitting member are both wire ropes or both rods.
  • the left stop roller comprises a left roller and a left roller support, and the left roller supports The end is hinged to the conveyor belt support frame, and the other end is connected to the left roller;
  • the right stop roller includes a right roller and a right roller support, and one end of the right roller support is hinged to the conveyor belt support frame. The other end is connected to the right wheel
  • the conveyor belt adjusting device comprises a conveyor belt support frame, a reversing drum, a drum bracket for supporting the reversing drum, a reversing drum meshing with the belt, and a swing rod arranged along the extending direction of the conveyor belt , respectively disposed on the left side of the conveyor belt, the left stop roller, the right stop roller; one end of the left stop roller is close to the conveyor belt, the left stop roller and the conveyor belt have a preset gap, the other end is hinged with the conveyor belt support; One end of the roller is adjacent to the conveyor belt, and the right stop roller and the conveyor belt also have a preset gap, and the other end is hinged with the conveyor belt support frame; one end of the swing rod is fixed to the drum bracket, and the other ends are respectively passed through the first The force transmitting member and the second force transmitting member are connected to the left stop roller and the right stop roller.
  • the conveyor belt adjusting device of the structure, the swing bar, the left retaining roller, the right retaining roller, the first force transmitting member and the second force transmitting member form a narrow flat structure, the structural cylinder is single, and the occupied space is small, and the conveyor belt is biased.
  • the device can be arranged between the upper and lower conveyor belts, and can be applied to the automatic deviation correction of the redirection of the belt of the telescopic belt conveyor.
  • the present invention also provides a telescopic belt conveyor having the above-described conveyor belt deflecting device, which has the above technical effects,
  • the telescopic belt conveyor of the conveyor belt deflection device should also have corresponding technical effects.
  • FIG. 1 is a schematic structural view of a specific embodiment of a conveyor belt deflecting device provided by the present invention
  • Figure 2 is a schematic enlarged view of the structure of Figure 1;
  • Figure 3 is a schematic enlarged view of the structure II in Figure 1;
  • Conveyor belt support frame 1 Conveyor belt support frame 1, conveyor belt 2, reversing drum 3, roller bracket 4, swing rod 5, left shift roller 6, left roller 6-1, left shift roller support 6-2, right stop roller 7, right roller 7 -1, right roller support 7-2, tail bar 8, first roller 8-1, second roller 8-2, first connector 9-1, second connector 9-2, balance bar 10,
  • the third connector 11-1, the fourth connector 11-2, the first wedge slider 12-1, the second wedge slider 12-2, the first slider track 13-1, and the second slider track 13-2 The first pin shaft 14, the second pin shaft 15, the adjusting bolt 16, and the fixing plate 17. detailed description
  • FIG. 1 is a schematic structural view of a specific embodiment of a conveyor belt deflecting device according to the present invention
  • FIG. 2 is a schematic enlarged view of a portion I of FIG. 1; Schematic diagram of the enlarged structure at II.
  • the conveyor belt deflecting device comprises a conveyor belt support frame 1, a reversing drum 3, a drum bracket 4, a swing rod 5, a left shift roller 6, and a right stop roller 7. , the first force transmitting member and the second force transmitting member.
  • the reversing drum 3 is meshed with the conveyor belt 2 for changing the driving direction of the conveyor belt 2.
  • the reversing drum 3 is supported by the drum bracket 4, and under the support of the drum bracket 4, the reversing drum 3 is rotatable; the left retaining roller 6.
  • the right stop rollers 7 are respectively disposed on two sides of the conveyor belt 2, one end of the left stop roller 6 is adjacent to the conveyor belt 2, and the other end of the left stop roller 6 is hinged with the conveyor belt support frame 1, and the left stop roller 6 can be hinged around the hinge Point rotation, a predetermined gap between the left stop roller 6 and the conveyor belt 2, when the conveyor belt 2 is deflected, the left stop roller 6 can rotate counterclockwise around the hinge point under the action of the conveyor belt 2;
  • One end of the stop roller 7 is adjacent to the conveyor belt 2, the other end of the right stop roller 7 is hinged to the conveyor belt support frame 1, the right stop roller 7 is rotatable about a hinge point, and a preset between the right stop roller 7 and the conveyor belt 2 is provided.
  • the right stop roller 7 can rotate clockwise around its hinge point under the action of the conveyor belt 2; the swing rod 5 is arranged along the extending direction of the conveyor belt 2, and one end of the swing rod 5 and the drum bracket 4 Fixed, the two sides of the other end of the swinging rod 5 respectively pass the first force transmission
  • the second force transmission member stopper roller 6 and the left and right roller gear 7 is connected.
  • the utility model further includes a tail rod 8 disposed laterally, the rod body of the tail rod 8 is fixed to the swing rod 5, and the first force transmitting member and the second force transmitting member pass through the tail rod 8 and the The pendulum rod 5 is connected.
  • Pendulum in this application, the upper part of the figure is the front and the lower part is the rear
  • the right part is placed backwards, and the conveyor belt 2 will Moving in the right direction until the conveyor belt 2 no longer abuts against the left stop roller 6, ie, the deflection in the left direction of the conveyor belt 2;
  • the conveyor belt 2 will The right stop roller 7 is rotated by 4, so that the right stop roller 7 rotates clockwise, and the right stop roller 7 will swing the right end of the tail rod 8 to the right side by the force transmitting member, because the rod body of the tail rod 8 is fixed to the swing rod 5 Connecting, the tail rod 8 will drive the swing rod 5 so that the left portion of the redirecting drum 3 swings backward, the right portion swings forward, and the conveyor belt 2 moves to the left direction until the conveyor belt 2 no longer abuts against the left shift roller 6, that is, the deflection of the right side of the conveyor belt 2 is achieved.
  • the conveyor belt 2 adjusting device of the structure, the swinging rod 5, the tail rod 8, the left shifting roller 6, the right retaining roller 7, the tail rod 8 and the force transmitting member form a narrow flat structure, the structure is simple, and the occupied space is small.
  • the conveyor belt 2 adjusting device can be arranged between the upper and lower conveyor belts, and can be applied to the automatic deviation correction of the reversing direction of the conveyor belt of the telescopic belt conveyor.
  • the distance between the left stop roller 6 and the right stop roller 7 may be slightly larger than the width of the redirecting roller 3 in order to ensure that the conveyor belt 2 operates within a normal deviation error range.
  • the left stop roller 6 includes a left roller 6-1 and a left roller support 6-2, and one end of the left roller support 6-2 is hinged to the conveyor support frame 1 and the other end is connected to the rotatable left roller 6
  • the right stop roller includes a right roller 7-1, a right roller support 7-2, one end of the right roller support 7-2 is hinged to the conveyor support frame 1, and the other end is connected to the rotatable left roller 6-1.
  • the two ends of the roller bracket 4 are respectively connected to the two ends of the reversing drum 3 through the adjusting bolt 16 and the fixing plate 17, and the height of the two ends of the reversing drum 3 is adjusted by the adjusting bolt 16, thereby realizing the manual adjustment of the conveyor belt 2 The deviation.
  • the shaft of the rocker 5 is hinged to the conveyor support 1 by a first pin 14.
  • the swing rod 5 is rotated around the hinge point, and the position of the hinge point and the distance of the tail rod 8 from the hinge point can be set as needed, so that the tail rod 8 has a smaller force or The small swing amplitude achieves an increase or decrease of the redirecting drum 3.
  • the first force transmitting member includes a first connecting member 9-1 and a third connecting member 11-1
  • the second transmitting member includes a second connecting member 9-2 and a fourth connecting member 11- 2
  • the balance bar 5 is hinged with a balance bar 10
  • one end of the first connecting member 9-1 is connected with the left stop roller 6, and the other end is connected with the first end of the balance bar 10
  • one end of the second connecting member 9-2 is The right stop roller 7 is connected, and the other end is connected to the second end of the balance bar 10
  • the first end of the balance bar 10 passes through the third connecting member 11-1 and the tail bar 8
  • the end is connected, and the second end of the balance bar 10 is connected to the other end of the tail bar 8 via the fourth connecting member 11-2
  • the first link 9-1 may be coupled to the left stop roller support 6-2
  • the second connector 9-2 may be coupled to the right stop roller support 7-2.
  • the two ends of the tail bar 8 are respectively provided with a first roller 8-1 and a second roller 8-2
  • two sides of the conveyor belt support frame 1 are respectively provided with a first wedge-shaped slider 12-1, and a second
  • the wedge-shaped slider 12-2 the first wedge-shaped slider 12-1 and the second wedge-shaped slider 12-2 can both slide back and forth, and the first wedge-shaped slider 12-1 is connected to the third connecting member 11-1, and the second wedge-shaped
  • the slider 12-2 is connected to the fourth connecting member 11-2, and the first roller 8-1 and the second roller 8-2 at both ends of the tail bar 8 respectively depend on the first wedge slider 12-1 and the second wedge shape.
  • the two sides of the conveyor belt support frame 1 are respectively provided with a first slider track 13-1, a second slider track 13-2, a first wedge slider 12-1 and a second wedge slider 12.
  • -2 is respectively matched with the first slider track 13-1 and the second slider track 13-2, and the first wedge slider 12-1 and the second wedge slider 12-2 are respectively along the first slider track 13-1.
  • the second slider track 13-2 slides in the front-rear direction.
  • the conveyor belt 2 When the conveyor belt 2 is deflected to one side, taking the left side as an example, the conveyor belt 2 exceeds the boundary range of the redirecting drum 3, and the conveyor belt 2 will abut the left roller 6-1 of the left shifting roller 6, forcing the left retaining roller
  • the support 6-2 rotates counterclockwise along the hinge point, and the left stop roller support 6-2 drives the first end of the balance bar 10 to swing forward through the first connecting member 9-1, since the rod of the balance bar 10 passes through the second pin 15 Hinged with the conveyor support frame 1, the balance bar 10 is rotatable about the second pin shaft 15, and the second end of the balance bar 10 is swung backward, under the action of the third connecting member 11-1 and the fourth connecting member 11-2.
  • the first wedge-shaped slider 12-1 on the left side slides forward, and the second wedge-shaped slider 12-2 on the right side slides backward, which will force the tail rod 8 to swing clockwise around the first pin shaft 14 to make a redirection
  • the left half of the drum 3 swings forward, the right half swings backward, and the conveyor belt 2 moves to the right direction until the tail belt 8 and the swing rod 5 stop moving when the conveyor belt 2 no longer abuts against the left shift roller 6.
  • the conveyor belt 2 returns to the range of the reversing drum 3 and maintains the balance; when the conveyor belt 2 runs to the right side, the working process Similar to the above, it will not be described in detail here.
  • the third connecting member 11-1 and the second connecting member 11-2 respectively pass the first wedge-shaped slider 12-1, the second wedge-shaped slider 12-2, and the first roller 8-1 and the second roller at both ends of the tail bar 8.
  • 8-2 forms a connection.
  • the structure uses the wedge-shaped bevels of the first wedge-shaped slider 12-1 and the second wedge-shaped slider 12-2 to abut the first roller 8-1 and the second roller 8-2 at both ends of the tail bar 8 respectively; a connector 9-1, a third connection
  • the connector 11-1 is oscillated in the longitudinal direction by the action of the left stop roller 6, and the longitudinal direction of the first connecting member 9-1 and the third connecting member 11-1 under the action of the wedge-shaped inclined surface of the first wedge-shaped slider 12-1.
  • the swing causes the tail rod 8 to move laterally, thereby driving the swing rod 5 to swing, the inclination angle of the wedge-shaped inclined surface is small, and the large longitudinal swing amount can generate a small lateral movement amount, so that the control of the swing rod 5 can be made relatively Stable, it can avoid changing the direction of the left and right swings of the drum 3 too much and affecting the stability of the belt conveyance; the function of the second wedge-shaped slider 12-2 is similar to that of the first wedge-shaped slider 12-1.
  • first roller 8-1 and the second roller 8-2 at both ends of the tail bar 8 respectively abut against the first wedge slider 12-1 and the second wedge slider 12-2, due to the length of the tail bar 8 Fixed, the wedge faces of the first wedge slider 12-1 and the second wedge slider 12-2 are the same, the tail bar 8 and the two wedge sliders are always in contact, and the tail bar 8 is always located at the first wedge slider 12-1, Between the two wedge-shaped sliders 12-2.
  • the swing lever 5 can be prevented from swinging to the left and right, so that the conveyor belt 2 can always be in a stable working state.
  • the first connecting member 9-1 may be a flexible connecting member, such as a wire rope or the like, or a rigid connecting member such as a tie rod or the like; and the second connecting member 9-2 may also adopt a flexible connecting member, such as a wire rope. Rigid connectors such as tie rods can also be used.
  • the third connecting member 11-1 and the fourth connecting member 11-2 can adopt a tie rod structure to better transmit the abutting force of the conveyor belt 2 to the left shifting roller 6 or the right retaining roller 7.
  • the first force transmitting member for transmitting the abutting force of the conveyor belt to the left or right stop roller to the tail rod adopts a first connecting member and a third connecting member
  • the second transmitting member adopts the first
  • the structure of the second connecting member and the fourth connecting member is not limited to the structure of the conveyor belt adjusting device provided by the present invention, and the left retaining roller and the right retaining roller can be directly connected to the end of the tail bar through the connecting rod or the wire rope. That is, the first force transmitting member and the second force transmitting member may be a wire rope or a tie rod, and the working principle thereof is similar to the above embodiment, and will not be described in detail herein.
  • the present invention also provides a telescopic belt conveyor having the above-mentioned conveyor belt deflecting device, wherein the conveyor belt support frame in the conveyor belt deflecting device is a cantilever structure of the telescopic belt conveyor Since the above-mentioned conveyor belt deflecting device has the above-mentioned technical effects, the telescopic belt conveyor having the belt deflecting device should also have corresponding technical effects, and will not be described in detail herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Description

一种输送带调偏装置及伸缩式皮带输送车 本申请要求于 2010 年 09 月 14 日提交中国专利局、 申请号为 201010283870.6、 发明名称为"一种输送带调偏装置及伸缩式皮带输送车" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及带传动设备技术领域， 尤其涉及一种输送带调偏装置。 本 发明还涉及一种具有上述输送带调偏装置的伸缩式皮带输送车。
背景技术
伸缩式皮带输送车是一种开式物料输送设备， 其输送物料范围广， 能 输送三级砼料甚至更高级别的砼料， 因此， 为了提高工程质量、 进度、 提 高生产效率， 许多大型工程项目均采用伸缩式皮带运送车来运送物料。
伸缩式皮带输送车在工作过程中， 由于输送的距离较远、 输送带所承 载的物料不均匀等原因， 容易引起输送带跑偏， 造成物料外泄、 输送带损 坏、 停工怠料， 不利于远程控制， 影响生产效率的提高。 目前， 国内外在 防止输送带跑偏方面的改进主要是改变承载滚筒位移来改变输送带在轨道 中的位置。 但是， 伸缩式皮带输送车的输送带支撑架为悬臂结构， 对空间 要求较高， 不能布置可改变位移或旋转的承载滚筒， 因此， 上述的防止输 送带跑偏的改进不适用于伸缩式皮带输送车的输送带的改进。
申请号为 98216745.8的中国专利公开了一种能够应用于长距离皮带输 送的纠偏装置， 该专利利用杠杆原理实现， 可以实现自动纠偏， 适合承载 滚筒的纠偏， 但是该装置占用空间较大， 而伸缩式皮带输送车等利用输送 带输送物料的专用车辆， 输送带上下间距离较小， 不能安装沿输送带支撑 架高度方向设置的纠偏装置， 因此该纠偏装置不能适用于伸缩式皮带输送 车等利用输送带输送物料的专用车辆。
另外， 利用液压 （如申请号为 200820110553的中国专利）、 电气（如 申请号为 92209345的中国专利）等控制皮带纠偏的装置，也同样不适用于 伸缩式皮带输送车， 主要原因是伸缩式皮带输送车的输送带支撑架是伸缩 式输送带支撑架结构， 不便于液压、 电气的布管、 走线等。 因此， 如何研发出一种结构筒单、 占用空间小、 可适用于伸缩式皮带 输送车的输送带调偏装置， 成为本领域技术人员亟待解决的技术难题。 发明内容
本发明的第一个目的是提供一种输送带调偏装置， 该输送带调偏装置 结构筒单占用空间小、 可适用于伸缩式皮带输送车。 本发明的第二个目的 是提供一种具有上述输送带调偏装置的伸缩式皮带输送车。
为了实现上述第一个目的， 本发明提供了一种输送带调偏装置， 用于 对输送带进行调偏， 包括输送带支撑架、 改向滚筒、 滚筒支架， 还包括摆 杆、 分别设于输送带两侧的左挡辊、 右挡辊； 所述左挡辊的一端靠近所述 输送带， 另一端与输送带支撑架铰接； 所述右挡辊的一端靠近所述输送带， 另一端与所述输送带支撑架铰接； 所述摆杆的一端与所述滚筒支架固定， 另一端的两侧分别通过第一传力件、第二传力件连接所述左挡辊、右挡辊。
优选的， 所述摆杆的杆体通过第一销轴与所述输送带支撑架铰接。 优选的， 还包括横向设置的尾杆， 所述尾杆的杆体与所述摆杆固定， 所述第一传力件、 所述第二传力件通过尾杆与所述摆杆连接。
优选的， 所述第一传力件包括第一连接件、 第三连接件， 所述第二传 力件包括第二连接件、 第四连接件， 所述摆杆上铰接有平衡杆； 所述第一 连接件的一端与所述左挡辊连接， 另一端与所述平衡杆的第一端连接； 所 述第二连接件的一端与所述右挡辊连接， 另一端与所述平衡杆的第二端连 接； 所述平衡杆的第一端通过第三连接件与所述尾杆） 的一端连接， 所述 平衡杆的第二端通过第四连接件与所述尾杆的另一端连接。
优选的， 所述尾杆的两端分别设有第一滚轮、 第二滚轮， 所述第一滚 轮、 所述第二滚轮分别抵靠分别设于输送带支撑架上的第一楔形滑块、 第 二楔形滑块， 所述第一楔形滑块、 第二楔形滑块分别与所述第三连接件、 所述第四连接件连接。
优选的， 所述第一连接件、 所述第二连接件均为钢丝绳或均为拉杆。 优选的， 所述第三连接件、 所述第四连接件均为拉杆。
优选的， 所述第一传力件、 所述第二传力件均为钢丝绳或均为拉杆。 优选的， 所述左挡辊包括左滚轮、 左挡辊支撑， 所述左挡辊支撑的一 端与所述输送带支撑架铰接， 另一端与连接所述左滚轮； 所述右挡辊包括 右滚轮、 右挡辊支撑， 所述右挡辊支撑的一端与所述输送带支撑架铰接， 另一端连接所述右滚轮
本发明提供的输送带调偏装置， 包括输送带支撑架、 改向滚筒， 用于 支撑改向滚筒的滚筒支架， 改向滚筒与所述带啮合， 还包括沿输送带延伸 方向设置的摆杆、 分别设于输送带两侧左挡辊、 右挡辊； 左挡辊的一端靠 近输送带， 左挡辊与输送带之间具有预设间隙， 另一端与与输送带支撑架 铰接； 右挡辊的一端靠近所述输送带， 右挡辊与输送带之间同样具有预设 间隙， 另一端与输送带支撑架铰接； 摆杆的一端与滚筒支架固定， 另一端 的两侧分别通过第一传力件、 第二传力件连接所述左挡辊、 右挡辊。
这种结构的输送带调偏装置， 摆杆、 左挡辊、 右挡辊、 第一传力件及 第二传力件形成窄平结构， 结构筒单， 占用空间小， 该输送带调偏装置可 设于上下输送带之间，可适用于伸缩式皮带输送车皮带改向处的自动纠偏。
为了实现上述第二个目的， 本发明还提供了一种伸缩式皮带输送车， 该伸缩式皮带输送车具有上述的输送带调偏装置， 由于上述的输送带调偏 装置具有上述技术效果， 具有该输送带调偏装置的伸缩式皮带输送车也应 具有相应的技术效果。
附图说明
图 1为本发明所提供的输送带调偏装置的一种具体实施方式的结构示 意图；
图 2为图 1中 I处的放大结构示意图；
图 3为图 1中 II处的放大结构示意图；
其中， 图 1-图 3中：
输送带支撑架 1、 输送带 2、 改向滚筒 3、 滚筒支架 4、 摆杆 5、 左挡 辊 6、左滚轮 6-1、左挡辊支撑 6-2、右挡辊 7、右滚轮 7-1、右挡辊支撑 7-2、 尾杆 8、 第一滚轮 8-1、 第二滚轮 8-2、 第一连接件 9-1、 第二连接件 9-2、 平衡杆 10、 第三连接件 11-1、 第四连接件 11-2、 第一楔形滑块 12-1、 第二 楔形滑块 12-2、 第一滑块轨道 13-1、 第二滑块轨道 13-2、 第一销轴 14、 第 二销轴 15、 调节螺栓 16、 固定板 17。 具体实施方式
为了使本领域的技术人员更好的理解本发明的技术方案， 下面结合附 图和具体实施方式对本发明作进一步的详细说明。
请参看图 1-图 3 , 图 1为本发明所提供的输送带调偏装置的一种具体 实施方式的结构示意图； 图 2为图 1中 I处的放大结构示意图； 图 3为图 1中 II处的放大结构示意图。
如图 1、 图 2、 图 3所示， 本发明提供的输送带调偏装置包括输送带支 撑架 1、 改向滚筒 3、 滚筒支架 4、 摆杆 5、 左挡辊 6、 右挡辊 7、 第一传力 件及第二传力件。
改向滚筒 3与输送带 2啮合， 其用于改变输送带 2的传动方向， 改向 滚筒 3由滚筒支架 4支撑， 在滚筒支架 4的支撑作用下， 改向滚筒 3可旋 转； 左挡辊 6、 右挡辊 7分别设于输送带 2的两侧， 左挡辊 6的一端靠近 输送带 2, 左挡辊 6的另一端与输送带支撑架 1铰接， 左挡辊 6可绕该铰 接点旋转，左挡辊 6与所述输送带 2之间具有预设间隙，输送带 2跑偏时， 左挡辊 6在输送带 2的作用下可绕所述铰接点逆时针方向旋转； 右挡辊 7 的一端靠近输送带 2,右挡辊 7的另一端与输送带支撑架 1铰接，右挡辊 7 可绕铰接点旋转， 右挡辊 7与所述输送带 2之间具有预设间隙， 输送带 2 跑偏时， 右挡辊 7在输送带 2的作用下可绕其铰接点顺时针方向旋转； 摆 杆 5沿输送带 2延伸方向设置， 摆杆 5的一端与滚筒支架 4固定， 摆杆 5 的另一端的两侧分别通过所述第一传力件、 所述第二传力件与左挡辊 6、 右挡辊 7连接。
进一步的方案中， 还包括横向设置的尾杆 8, 所述尾杆 8的杆体与所 述摆杆 5固定， 所述第一传力件、 所述第二传力件通过尾杆 8与所述摆杆 5连接。
当输送带 2向改向滚筒 3左侧方向跑偏时， 输送带 2超出改向滚筒 3 的边界， 输送带 2将抵靠左挡辊 6, 使得左挡辊 6向逆时针方向旋转， 左 挡辊 6将通过传力件带动尾杆 8的左端向左侧摆动， 由于尾杆 8的杆体与 摆杆 5固定连接，尾杆 8将带动摆杆 5使得改向滚筒 3的左部向前方摆（本 申请中规定图 1中上方为前， 下方为后）， 右部向后方摆， 输送带 2就会向 右侧方向运动， 直至输送带 2不再抵靠左挡辊 6, 即实现输送带 2的左侧 方向的调偏； 当输送带 2向改向滚筒 3右侧跑偏时， 输送带 2将 4氏靠右挡 辊 7,使得右挡辊 7向顺时针方向旋转，右挡辊 7将通过传力件带动尾杆 8 的右端向右侧摆动， 由于尾杆 8的杆体与摆杆 5固定连接， 尾杆 8将带动 摆杆 5使得改向滚筒 3的左部向后方摆， 右部向前方摆， 输送带 2就会向 左侧方向运动， 直至输送带 2不再抵靠左挡辊 6, 即实现输送带 2的右侧 方向的调偏。
这种结构的输送带 2调偏装置， 摆杆 5、 尾杆 8、 左挡辊 6、 右挡辊 7、 尾杆 8及传力件形成窄平结构， 结构筒单， 占用空间小， 该输送带 2调偏 装置可设于上下输送带之间， 可适用于伸缩式皮带输送车输送带改向处的 自动纠偏。
具体实施方案中，为了能保证输送带 2在正常的跑偏误差范围内工作， 左挡辊 6、 右挡辊 7之间的距离可以略大于改向滚筒 3的宽度。
具体的方案中， 左挡辊 6包括左滚轮 6-1、 左挡辊支撑 6-2, 左挡辊支 撑 6-2的一端与输送带支撑架 1铰接， 另一端连接可旋转的左滚轮 6-1 ; 右 挡辊包括右滚轮 7-1、 右挡辊支撑 7-2, 右挡辊支撑 7-2的一端与输送带支 撑架 1铰接， 另一端连接可旋转的左滚轮 6-1。
优选方案中， 滚筒支架 4的两端分别通过调节螺栓 16、 固定板 17与 改向滚筒 3的两端连接，通过调节螺栓 16调整改向滚筒 3两端的高度，进 而可以实现人工调整输送带 2的跑偏。
优选方案中， 摆杆 5 的杆体通过第一销轴 14与所述输送带支撑架 1 铰接。 尾杆 8在前后偏转的过程中， 将带动摆杆 5绕铰接点旋转， 可以根 据需要设置铰接点的位置及尾杆 8距离铰接点的距离， 以使得尾杆 8以较 小作用力或较小摆动幅度实现改向滚筒 3的调高或调低。
具体方案中， 所述第一传力件包括第一连接件 9-1、 第三连接件 11-1 , 所述第二传力件包括第二连接件 9-2、 第四连接件 11-2, 摆杆 5上铰接有 平衡杆 10; 第一连接件 9-1 的一端与左挡辊 6连接， 另一端与平衡杆 10 的第一端连接； 第二连接件 9-2的一端与右挡辊 7连接， 另一端与平衡杆 10的第二端连接； 平衡杆 10的第一端通过第三连接件 11-1与尾杆 8的一 端连接，平衡杆 10的第二端通过第四连接件 11-2与尾杆 8的另一端连接。 具体地， 第一连接件 9-1可与左挡辊支撑 6-2连接， 第二连接件 9-2 可与右挡辊支撑 7-2连接。
进一步的方案中，尾杆 8的两端分别设有第一滚轮 8-1、第二滚轮 8-2, 输送带支撑架 1的两侧分别设有第一楔形滑块 12-1 , 第二楔形滑块 12-2, 第一楔形滑块 12-1、第二楔形滑块 12-2均可前后滑动，第一楔形滑块 12-1 与第三连接件 11-1连接， 第二楔形滑块 12-2与第四连接件 11-2连接， 尾 杆 8两端的第一滚轮 8-1、第二滚轮 8-2分别 ·ί氏靠第一楔形滑块 12-1、第二 楔形滑块 12-2。
更具体的方案中，输送带支撑架 1的两侧分别设有第一滑块轨道 13-1 , 第二滑块轨道 13-2, 第一楔形滑块 12-1、第二楔形滑块 12-2分别与第一滑 块轨道 13-1、 第二滑块轨道 13-2相配合， 且第一楔形滑块 12-1、 第二楔形 滑块 12-2可分别沿第一滑块轨道 13-1、 第二滑块轨道 13-2在前后方向滑 动。
当输送带 2向一侧跑偏时， 以左侧为例， 输送带 2超出改向滚筒 3的 边界范围， 输送带 2将抵靠左挡辊 6的左滚轮 6-1 , 迫使左挡辊支撑 6-2沿 铰接点逆时针方向转动， 左挡辊支撑 6-2通过第一连接件 9-1带动平衡杆 10第一端向前摆动， 由于平衡杆 10的杆体通过第二销轴 15与输送带支撑 架 1铰接，平衡杆 10可以绕第二销轴 15转动，平衡杆 10的第二端向后摆 动， 在第三连接件 11-1、 第四连接件 11-2的作用下， 左侧的第一楔形滑块 12-1向前滑动， 右侧的第二楔形滑块 12-2向后滑动， 这样将迫使尾杆 8绕 第一销轴 14顺时针摆动， 使得改向滚筒 3左半部向前摆， 右半部向后摆， 输送带 2将向右侧方向运动， 直至输送带 2不再抵靠左挡辊 6时， 尾杆 8、 摆杆 5就停止动作， 输送带 2重新回到改向滚筒 3的范围内并保持平衡； 当输送带 2向右侧跑偏时，其工作过程与上述类似，在此不再做详细介绍。
第三连接件 11-1、 第四连接件 11-2分别通过第一楔形滑块 12-1、 第二 楔形滑块 12-2与尾杆 8两端的第一滚轮 8-1、 第二滚轮 8-2形成连接。 这 种结构利用第一楔形滑块 12-1、 第二楔形滑块 12-2的楔形斜面，使其分别 抵靠尾杆 8两端的第一滚轮 8-1、 第二滚轮 8-2; 第一连接件 9-1、 第三连 接件 11-1在左挡辊 6的作用下沿纵向摆动， 在第一楔形滑块 12-1的楔形 斜面的作用下， 第一连接件 9-1、 第三连接件 11-1的纵向摆动使得尾杆 8 产生横向的移动， 进而带动摆杆 5摆动， 楔形斜面的倾斜角度较小， 较大 的纵向摆动量才可产生较小的横向移动量， 这样可使得摆杆 5的控制较为 稳定， 可避免改向滚筒 3瞬间左右摆动量过大而影响皮带输送的稳定性； 第二楔形滑块 12-2的作用与第一楔形滑块 12-1的作用相似。
另外， 由于尾杆 8两端的第一滚轮 8-1、 第二滚轮 8-2分别抵靠在第一 楔形滑块 12-1、 第二楔形滑块 12-2上， 由于尾杆 8的长度固定， 第一楔形 滑块 12-1和第二楔形滑块 12-2的楔面相同， 尾杆 8和两楔形滑块始终接 触， 尾杆 8始终位于第一楔形滑块 12-1、 第二楔形滑块 12-2之间。 当输送 带 2调偏完成、 处于正常工作状态时， 可防止摆杆 5左右摆动， 使得输送 带 2可始终处于稳定工作状态。
具体方案中， 第一连接件 9-1可以采用柔性连接件， 如钢丝绳等， 也 可以采用刚性连接件， 如拉杆等； 第二连接件 9-2同样可以采用柔性连接 件， 如钢丝绳等， 也可以采用刚性连接件， 如拉杆等。
具体方案中， 第三连接件 11-1、 第四连接件 11-2均可采用拉杆结构， 以更好地传递输送带 2对左挡辊 6或右挡辊 7的抵靠力。
上述实施例中， 用于将输送带对左挡辊或右挡辊的抵靠力传递给尾杆 的第一传力件采用第一连接件、第三连接件， 第二传力件采用第二连接件、 第四连接件的结构，本发明提供的输送带调偏装置并不局限于此一种结构， 左挡辊、 右挡辊可直接通过连接杆或钢丝绳与尾杆的端部连接， 即所述第 一传力件、 第二传力件可以为一艮钢丝绳或拉杆， 其工作原理与上述实施 例类似， 在此不再做详细介绍。
本发明还提供了一种伸缩式皮带输送车， 该伸缩式皮带输送车具有上 述的输送带调偏装置， 上述的输送带调偏装置中的输送带支撑架为伸缩式 皮带输送车的悬臂结构，由于上述的输送带调偏装置具有上述的技术效果， 具有该输送带调偏装置的伸缩式皮带输送车也应具备相应的技术效果， 在 此不再做详细介绍。
以上所述仅是本发明的优选实施方式的描述， 应当指出， 由于文字表 达的有限性， 而在客观上存在无限的具体结构， 对于本技术领域的普通技 术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰， 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求
1.一种输送带调偏装置， 用于对输送带（2)进行调偏， 包括输送带支 撑架（1)、 改向滚筒（3)、 滚筒支架（4), 其特征在于， 还包括摆杆（5)、 分别设于输送带 （2) 两侧的左挡辊（6)、 右挡辊（7); 所述左挡辊（6) 的一端靠近所述输送带（2), 另一端与输送带支撑架（ 1 )铰接； 所述右挡 辊（7) 的一端靠近所述输送带 （2), 另一端与所述输送带支撑架（1 )铰 接； 所述摆杆（5) 的一端与所述滚筒支架（4) 固定， 另一端的两侧分别 通过第一传力件、 第二传力件连接所述左挡辊（6)、 右挡辊（7)。
2.根据权利要求 1所述的输送带调偏装置，其特征在于，所述摆杆（ 5 ) 的杆体通过第一销轴（ 14 )与所述输送带支撑架（ 1 )铰接。
3.根据权利要求 2所述的输送带调偏装置， 其特征在于， 还包括横向 设置的尾杆（8), 所述尾杆（8) 的杆体与所述摆杆（5) 固定， 所述第一 传力件、 所述第二传力件通过尾杆（8) 与所述摆杆（5)连接。
4.根据权利要求 3所述的输送带调偏装置， 其特征在于， 所述第一传 力件包括第一连接件（9-1)、 第三连接件（11-1 ), 所述第二传力件包括第 二连接件（ 9-2 )、第四连接件（ 11-2 ),所述摆杆（ 5 )上铰接有平衡杆 ( 10 ); 所述第一连接件 （9-1 ) 的一端与所述左挡辊（6)连接， 另一端与所述平 衡杆 ( 10 )的第一端连接； 所述第二连接件（ 9-2 )的一端与所述右挡辊（ 7 ) 连接， 另一端与所述平衡杆 ( 10) 的第二端连接； 所述平衡杆（10) 的第 一端通过第三连接件（11-1 )与所述尾杆（8)的一端连接，所述平衡杆（10) 的第二端通过第四连接件（11—2)与所述尾杆（8) 的另一端连接。
5.根据权利要求 4所述的输送带调偏装置，其特征在于，所述尾杆（8) 的两端分别设有第一滚轮（8-1 )、 第二滚轮（8-2), 所述第一滚轮（8-1)、 所述第二滚轮（8-2)分别抵靠分别设于输送带支撑架（1 )上的第一楔形 滑块（ 12-1 )、 第二楔形滑块（ 12-2 ), 所述第一楔形滑块（ 12-1 )、 第二楔 形滑块（12-2)分别与所述第三连接件 （11-1)、 所述第四连接件 （11-2) 连接。
6.根据权利要求 4所述的输送带调偏装置， 其特征在于， 所述第一连 接件（9-1)、 所述第二连接件 （9-2) 均为钢丝绳或均为拉杆。
7.根据权利要求 4所述的输送带调偏装置， 其特征在于， 所述第三连 接件（11-1)、 所述第四连接件 （11-2) 均为拉杆。
8.根据权利要求 1-3 任一项所述的输送带调偏装置， 其特征在于， 所 述第一传力件、 所述第二传力件均为钢丝绳或均为拉杆。
9.根据权利要求 1所述的输送带调偏装置， 其特征在于， 所述左挡辊 (6) 包括左滚轮（6-1)、 左挡辊支撑（6-2), 所述左挡辊支撑（6-2)的一 端与所述输送带支撑架（ 1 )铰接， 另一端与连接所述左滚轮（6-1 ); 所述 右挡辊（ 7 )包括右滚轮 ( 7-1 )、 右挡辊支撑（ 7-2 ), 所述右挡辊支撑（ 7-2 ) 的一端与所述输送带支撑架（ 1 )铰接， 另一端连接所述右滚轮 (7-1 )。
10.—种伸缩式皮带输送车， 其特征在于， 该伸缩式皮带输送车具有权 利要求 1-9任一项所述的输送带调偏装置。
PCT/CN2011/075532 2010-09-14 2011-06-09 一种输送带调偏装置及伸缩式皮带输送车 WO2012034420A1 (zh)

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