WO2019127852A1 - 摩擦轮驱动悬挂端梁 - Google Patents

摩擦轮驱动悬挂端梁 Download PDF

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Publication number
WO2019127852A1
WO2019127852A1 PCT/CN2018/075561 CN2018075561W WO2019127852A1 WO 2019127852 A1 WO2019127852 A1 WO 2019127852A1 CN 2018075561 W CN2018075561 W CN 2018075561W WO 2019127852 A1 WO2019127852 A1 WO 2019127852A1
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WO
WIPO (PCT)
Prior art keywords
end beam
friction wheel
beam body
wheel set
track
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PCT/CN2018/075561
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English (en)
French (fr)
Inventor
袁秀峰
李杰杰
吴小林
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法兰泰克重工股份有限公司
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Application filed by 法兰泰克重工股份有限公司 filed Critical 法兰泰克重工股份有限公司
Publication of WO2019127852A1 publication Critical patent/WO2019127852A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track

Definitions

  • the invention relates to a friction wheel drive suspension end beam.
  • the suspension crane is usually a crane that is suspended by a main beam and fixed on a building walking rail (I-beam), and has been widely used in various places of various industries such as factory workshops and warehouses.
  • the track beam conventionally used for installing the suspension crane is directly fixed to the roof of the factory building by two rolling I-beams, and the main beam of the crane is horizontally disposed between the two rail beams by the suspension end beam, and the end beam is suspended.
  • the motor is used to power the walking wheel suspended on the I-beam and directly drive the crane to run forward and backward.
  • the traditional suspension end is used.
  • the crane of the beam will bump up and down, accompanied by noise, and will also affect the normal use of the crane components to increase the failure rate. Long-term periodic impacts have certain safety hazards.
  • the technical problem solved by the present invention is to provide a friction wheel drive suspension end beam.
  • a friction wheel driving suspension end beam comprising an end beam body and a running mechanism disposed on the end beam body, wherein the end beam body is provided with a track beam for guiding the movement thereof
  • the end beam body reciprocates along the longitudinal direction of the rail beam by a running mechanism, further comprising a friction wheel set disposed on the end beam body, and a driving motor connected to the friction wheel set, the end A pressing device is disposed on the beam body to abut the friction wheel set against the lower surface of the track beam, and the friction wheel set drives the end beam body to move back and forth by a driving motor.
  • the end beam body is provided with a supporting bracket for fixing the friction wheel set, and a connecting bracket is arranged between the driving motor and the supporting bracket to fix the friction wheel set and the driving motor. connect them.
  • the pressing device includes an elastic member disposed on the supporting bracket, and a pressure adjusting member that applies or reduces pressure to the elastic member to realize synchronous movement of the friction wheel set and the driving motor in synchronization.
  • the elastic member is a disc spring
  • the pressure adjusting member is one of a nut adjusting rod, a hydraulic pusher or an electric push rod.
  • each friction wheel in the friction wheel set of the present invention is an engineering plastic outer ring to increase the frictional force with the lower surface of the track beam.
  • the traveling mechanism of the present invention includes a plurality of walking units, each of which includes a balance wheel set, a balance plate on which the balance wheel set is mounted, and a fixed to the end beam body and the The balance plate rotates to connect the balance shaft.
  • each of the balance wheel sets in the present invention includes a plurality of wheels spaced apart along the length of the track beam.
  • the end beam body is provided with a horizontal guide wheel that rotates about a vertical extension axis and abuts against the rail beam.
  • a rim is provided, and the rail beam is provided with a fitting surface that cooperates with the rim.
  • the left and right end portions of the end beam body are respectively provided with a protective buffer.
  • the balance wheel set in the walking unit is hung on the track beam and closely adheres to the track beam under the action of gravity, and the friction wheel set always abuts against the lower surface of the track beam under the action of the pressing device, forming an upper portion.
  • the pressure of the lower part makes the entire suspension end beam always adhere to the track of the track beam during the running process, effectively avoiding the phenomenon of ups and downs and noise during the operation of the hanging crane, and also plays a role in the stability and safety of the crane operation. Safeguards.
  • the friction wheel set and the drive motor are designed as one body and synchronously moved up and down by the pressing device, and the pressing device can adopt a disc spring (or spring) and a nut adjusting rod (or a hydraulic pusher, an electric push rod)
  • the pressing device can adopt a disc spring (or spring) and a nut adjusting rod (or a hydraulic pusher, an electric push rod)
  • the combination of the nut adjustment rod directly adjusts the pressing amount of the disc spring, the operation is simple, and the recommended pressing amount can be designed on the pressing device to help the operator to implement quickly.
  • the balance wheel set is used to replace the conventional suspension wheel. Since the balance plate of the balance wheel set can be rotated around the balance shaft, as the travel unit travels on the high and low undulating track beams, the wheels in the balance wheel set are The track surface of the track beam cooperates with the rolling, which solves the problem that some of the wheels are not idling when the track is undulating in the prior art, and the structure of the walking unit can not only improve the fit between the wheel and the track beam, but also Adjust the wheel pressure of each wheel to ensure the smooth running of the suspension end beam.
  • the outer rings of the friction wheel set are designed.
  • the outer ring of engineering plastics such as polyurethane prevents the friction wheel set from slipping while increasing the rolling friction arm, thereby reducing the pressure required by the pressurizing device.
  • Figure 1 is a front view of the present invention
  • Figure 2 is a plan view of the present invention (wherein the balance wheel set is not all drawn, and the bottom line frame is the bottom structure);
  • Figure 3 is a side view of the present invention.
  • FIG. 4 is a schematic structural view of a walking unit in the present invention.
  • Figure 5 is a schematic view showing the connection structure of the friction wheel set and the driving motor in the present invention.
  • Figure 6 is a schematic view showing the structure of a pressurizing device in the present invention.
  • FIG. 1 and FIG. 2 A specific embodiment of a friction wheel driven suspension end beam according to the present invention is shown in the accompanying drawings.
  • the end beam body 1 and the running mechanism provided on the end beam body 1 are included.
  • the track beam 2 is an I-beam
  • the end beam body 1 is reciprocated along the length direction of the track beam 2 by a running mechanism Movement
  • the left and right end portions of the end beam body 1 are respectively provided with a protective buffer 9
  • the running mechanism comprises four walking units 4 , and each two walking units 4 are arranged in a pair, The two sets of walking units 4 are symmetrically distributed on the left and right sides of the end beam body 1 (only one set of walking units 4 is shown in Fig. 2).
  • each of the walking units 4 includes a balance wheel set 41 , a balance plate 42 on which the balance wheel set 41 is mounted, and a fixed balance plate 42 and the balance plate 42 .
  • each of the balance wheel sets 41 includes two wheels spaced apart along the length direction of the track beam 2, the two wheels being respectively disposed at both ends of the balance plate 42, due to The balance wheel set 41 replaces the conventional suspension wheel.
  • the wheels in the balance wheel set 41 are rolled according to the track surface of the track beam 2, avoiding some of the wheels when the track undulations are encountered. Without the idling, the structure of the walking unit can not only improve the fit between the wheel and the track beam 2, but also adjust the wheel pressure of each wheel to ensure the smooth running of the suspension end beam.
  • the end beam body 1 further comprises a friction wheel set 3 disposed on the end beam body 1 and a drive motor 11 connected to the friction wheel set 3, the friction wheel set 3 driving the end beam body by a drive motor 11 1 front and rear movement, specifically shown in FIG. 2 and FIG. 5 (the bottom structure in the dotted line frame in FIG. 2), the end beam body 1 is provided with a support bracket 12 for fixing the friction wheel set 3, the drive A connecting bracket 5 is disposed between the motor 11 and the support bracket 12 to connect the friction wheel set 3 with the driving motor 11. As shown in FIGS. 1 and 6, the end beam body 1 is provided with pressurization.
  • the pressing means comprising an elastic member 6 provided on the support bracket 12, applying or relieving pressure on the elastic member 6 to achieve
  • the pressure adjusting member 7 of the friction wheel set 3 and the driving motor 11 move up and down in synchronization
  • the elastic member 6 is a disc spring (or a spring)
  • the pressure adjusting member 7 is a nut adjusting rod (or a hydraulic pusher, The electric push rod) directly adjusts the pressing amount of the disc spring by the nut adjusting rod
  • the pressing means can be realized by synchronizing vertical movement, simple operation, and may also be designed to identify the recommended amount of pressing on the pressing means to help the operator quickly embodiment.
  • the end beam body 1 is provided with four horizontal guide wheels 8 rotating about a vertical extension axis and abutting the track beam 2 to ensure that the end beam body 1 is better along the track beam. 2
  • the movement does not shift, and each of the two opposite horizontal guide wheels 8 is a group, and the two sets of horizontal guide wheels 8 are respectively disposed outside the walking unit 4, and further, the balance wheel set 41 can also be designed with a rim.
  • the rail beam 2 is provided with a mating surface that cooperates with the rim.
  • the friction wheel set 3 Since the friction wheel set 3 is excessively pressurized, deformation may occur to affect its service life, and the power of the drive motor 11 may be insufficient, and the problem of severe heat generation may occur, so the outer circumference of each friction wheel in the friction wheel set 3 is It is an engineering plastic outer ring to increase the frictional force with the lower surface of the track beam 2, such as a polyurethane outer ring, thereby avoiding the friction wheel set 3 from slipping and increasing the rolling friction arm, thereby effectively reducing the need for the pressing device.
  • the pressure provided.
  • the balance wheel set 41 in the walking unit 4 is hung on the track beam 2 and is in close contact with the track beam 2 under the action of gravity.
  • the friction wheel set 3 always abuts against the lower surface of the track beam 2 under the action of the pressing device. Just forming a pressure above and below, so that the entire suspension end beam always abuts the track of the track beam 2 during operation, effectively avoiding the phenomenon of ups and downs and noise during the operation of the suspension crane, and also the stability of the crane operation. And security plays a role in safeguarding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

一种摩擦轮驱动悬挂端梁，包括端梁本体（1）和设于端梁本体（1）上的行走机构，端梁本体（1）上方设有对其运动起导向作用的轨道梁（2），端梁本体（1）藉由行走机构沿轨道梁（2）长度方向往复运动，还包括设于端梁本体（1）上的摩擦轮组（3）、以及与摩擦轮组（3）相连的驱动电机（11），端梁本体（1）上设有加压装置以将摩擦轮组（3）抵紧于轨道梁（2）下表面，摩擦轮组（3）藉由驱动电机（11）带动端梁本体（1）前后运动。该悬挂端梁有效避免了悬挂起重机运行过程中上下颠簸、产生噪音的现象，同时也为起重机运行的稳定性与安全性起到保障作用。

Description

摩擦轮驱动悬挂端梁 技术领域
本发明涉及一种摩擦轮驱动悬挂端梁。
背景技术
目前，悬挂起重机通常是依靠主梁悬挂固定在建筑物行走轨道(工字钢)上的起重机，已被广泛运用于工厂车间、仓库等各类行业的不同场所。现有技术中，传统用于安装悬挂起重机的轨道梁是采用两根轧制工字钢直接固定于厂房屋顶，起重机主梁藉由悬挂端梁横设于两根轨道梁之间，悬挂端梁通过电机为悬挂在工字钢上的行走轮提供动力进而直接驱动起重机前后运行，但是，当处于因轨道安装或厂房老旧等原因而造成轨道梁平面起伏不平的使用环境时，使用传统悬挂端梁的起重机会上下颠簸，并且伴随噪音，同时还会影响起重机各部件的正常使用从而增加故障率，长时间周期性的冲击更是存在一定的安全隐患。
发明内容
本发明解决的技术问题是提供一种摩擦轮驱动悬挂端梁。
本发明的技术方案是：一种摩擦轮驱动悬挂端梁，包括端梁本体和设于所述端梁本体上的行走机构，所述端梁本体上方设有对其运动起导向作用的轨道梁，所述端梁本体藉由行走机构沿所述轨道梁长度方向往复运动，还包括设于所述端梁本体上的摩擦轮组、以及与所述摩擦轮组相连的驱动电机，所述端梁本体上设有加压装置以将所述摩擦轮组抵紧于轨道梁下表面，所述摩擦轮组藉由驱动电机带动所述端梁本体前后运动。
进一步的，本发明中所述端梁本体上设有固定所述摩擦轮组的承托支架，所述驱动电机与所述承托支架之间设有连接托板以将摩擦轮组与驱动电机连接起来。
进一步的，本发明中所述加压装置包括设于所述承托支架上的弹性件、对所述弹性件施加或减轻压力以实现所述摩擦轮组与驱动电机同步上下运动的压力调节件。
进一步的，本发明中所述弹性件为碟簧，所述压力调节件为螺母调节杆、液压推动器或电动推杆中的一种。
进一步的，本发明中所述摩擦轮组中的每个摩擦轮的外圈均为工程塑料 外圈以增加与所述轨道梁下表面之间的摩擦力。
进一步的，本发明中所述行走机构包括若干行走单元，每个所述行走单元均包括平衡轮组、安装固定所述平衡轮组的平衡板、以及固定于所述端梁本体上与所述平衡板转动连接的平衡轴。
进一步的，本发明中每个所述平衡轮组均包括沿轨道梁长度方向间隔分布的多个车轮。
进一步的，本发明中所述端梁本体上设有绕竖向延伸轴线转动并与所述轨道梁相抵的水平导向轮。
进一步的，本发明中所述平衡轮组上设有轮缘，所述轨道梁上设有与所述轮缘相配合的贴合面。
进一步的，本发明中所述端梁本体的左右两端部分别设有起保护作用的缓冲器。
本发明与现有技术相比具有以下优点：
1)本发明中，行走单元中的平衡轮组悬挂于轨道梁上并在重力作用下紧贴轨道梁，摩擦轮组在加压装置作用下始终抵紧于轨道梁下表面，正好形成一上一下的压力从而使得整个悬挂端梁在运行过程中始终紧贴轨道梁的轨道，有效避免了悬挂起重机运行过程中上下颠簸、产生噪音的现象，同时也为起重机运行的稳定性与安全性起到保障作用。
2)本发明中，将摩擦轮组与驱动电机设计为一体并藉由加压装置同步上下运动，加压装置可以采取碟簧(或弹簧)与螺母调节杆(或液压推动器、电动推杆)的组合，通过螺母调节杆直接调节碟簧的压紧量，操作简单，并且还可以在加压装置上设计推荐压紧量的标识，帮助操作人员快速实施。
3)本发明中，用平衡轮组取代传统的悬挂车轮，由于安装平衡轮组的平衡板可以绕平衡轴转动，随着行走单元在高低起伏的轨道梁上行进，平衡轮组中的车轮根据轨道梁的轨道表面配合滚动，很好的解决现有技术中遇轨道起伏段时部分车轮不着轨空转的问题，并且这种行走单元结构不仅能够提高车轮与轨道梁之间的配合度，同时能够调节各车轮所受轮压，保证悬挂端梁的平稳运行。
4)本发明中，由于摩擦轮组加压过大时会产生变形从而影响其使用寿命，而且会导致驱动电机功率不足、以及发热严重的问题出现，所以设计为 摩擦轮组的外圈均为工程塑料(例如聚氨酯)外圈，避免摩擦轮组打滑的同时增加滚动摩擦力臂，从而减小加压装置所需提供的压力。
附图说明
下面结合附图及实施例对本发明作进一步描述：
图1为本发明的主视图；
图2为本发明的俯视图(其中平衡轮组未全部画出，虚线框内为底部结构)；
图3为本发明的侧视图；
图4为本发明中行走单元的结构示意图；
图5为本发明中摩擦轮组与驱动电机的连接结构示意图；
图6为本发明中加压装置的结构示意图。
其中：1、端梁本体；11、驱动电机；12、承托支架；2、轨道梁；3、摩擦轮组；4、行走单元；41、平衡轮组；42、平衡板；43、平衡轴；5、连接托板；6、弹性件；7、压力调节件；8、水平导向轮；9、缓冲器。
具体实施方式
实施例：
结合附图所示为本发明一种摩擦轮驱动悬挂端梁的具体实施方式，首先，如图1、图2所示，包括端梁本体1和设于所述端梁本体1上的行走机构，所述端梁本体1上方设有对其运动起导向作用的轨道梁2，所述轨道梁2为工字钢，所述端梁本体1藉由行走机构沿所述轨道梁2长度方向往复运动，所述端梁本体1的左右两端部分别设有起保护作用的缓冲器9，其中，所述行走机构包括四个行走单元4，每两个行走单元4对向设置构成一组，两组行走单元4对称分布于所述端梁本体1的左右两侧(图2中只画出一组行走单元4)。
具体结合图4所示，每个所述行走单元4均包括平衡轮组41、安装固定所述平衡轮组41的平衡板42、以及固定于所述端梁本体1上与所述平衡板42转动连接的平衡轴43，每个所述平衡轮组41均包括沿轨道梁2长度方向间隔分布的两个车轮，所述两个车轮分别布置于所述平衡板42的两端部，由于采用平衡轮组41取代传统的悬挂车轮，随着行走单元4在高低起伏的轨道梁2上行进，平衡轮组41中的车轮根据轨道梁2的轨道表面配合 滚动，避免遇轨道起伏段时部分车轮不着轨空转，这种行走单元结构不仅能够提高车轮与轨道梁2之间的配合度，同时能够调节各车轮所受轮压，保证悬挂端梁的平稳运行。
其次，还包括设于所述端梁本体1上的摩擦轮组3、以及与所述摩擦轮组3相连的驱动电机11，所述摩擦轮组3藉由驱动电机11带动所述端梁本体1前后运动，具体结合图2、图5所示(图2中虚线框内为底部结构)，所述端梁本体1上设有固定所述摩擦轮组3的承托支架12，所述驱动电机11与所述承托支架12之间设有连接托板5以将摩擦轮组3与驱动电机11连接起来，如图1和图6所示，所述端梁本体1上设有加压装置以将所述摩擦轮组3抵紧于轨道梁2下表面，所述加压装置包括设于所述承托支架12上的弹性件6、对所述弹性件6施加或减轻压力以实现所述摩擦轮组3与驱动电机11同步上下运动的压力调节件7，其中，所述弹性件6为碟簧(或弹簧)，所述压力调节件7为螺母调节杆(或液压推动器、电动推杆)，通过螺母调节杆直接调节碟簧的压紧量，由于将摩擦轮组3与驱动电机11设计为一体，可以藉由加压装置实现同步上下运动，操作简单，并且还可以在加压装置上设计推荐压紧量的标识，帮助操作人员快速实施。
再结合图2所示，所述端梁本体1上设有绕竖向延伸轴线转动并与所述轨道梁2相抵的四个水平导向轮8，保证端梁本体1更好的沿着轨道梁2运动不发生偏移，每两个对向设置的水平导向轮8为一组，两组水平导向轮8分别设于行走单元4外侧，此外，所述平衡轮组41上还可以设计轮缘，所述轨道梁2上则设有与所述轮缘相配合的贴合面。
由于摩擦轮组3加压过大时会产生变形从而影响其使用寿命，而且会导致驱动电机11功率不足、以及发热严重的问题出现，所以摩擦轮组3中的每个摩擦轮的外圈均为工程塑料外圈以增加与所述轨道梁2下表面之间的摩擦力，例如聚氨酯外圈，从而避免摩擦轮组3打滑、同时增加滚动摩擦力臂，进而有效减小加压装置所需提供的压力。
本发明中，行走单元4中的平衡轮组41悬挂于轨道梁2上并在重力作用下紧贴轨道梁2，摩擦轮组3在加压装置作用下始终抵紧于轨道梁2下表面，正好形成一上一下的压力从而使得整个悬挂端梁在运行过程中始终紧贴轨道梁2的轨道，有效避免了悬挂起重机运行过程中上下颠簸、产生噪音的 现象，同时也为起重机运行的稳定性与安全性起到保障作用。
当然上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明主要技术方案的精神实质所做的修饰，都应涵盖在本发明的保护范围之内。

Claims (10)

  1. 一种摩擦轮驱动悬挂端梁，包括端梁本体(1)和设于所述端梁本体(1)上的行走机构，所述端梁本体(1)上方设有对其运动起导向作用的轨道梁(2)，所述端梁本体(1)藉由行走机构沿所述轨道梁(2)长度方向往复运动，其特征在于：还包括设于所述端梁本体(1)上的摩擦轮组(3)、以及与所述摩擦轮组(3)相连的驱动电机(11)，所述端梁本体(1)上设有加压装置以将所述摩擦轮组(3)抵紧于轨道梁(2)下表面，所述摩擦轮组(3)藉由驱动电机(11)带动所述端梁本体(1)前后运动。
  2. 根据权利要求1所述的摩擦轮驱动悬挂端梁，其特征在于：所述端梁本体(1)上设有固定所述摩擦轮组(3)的承托支架(12)，所述驱动电机(11)与所述承托支架(12)之间设有连接托板(5)以将摩擦轮组(3)与驱动电机(11)连接起来。
  3. 根据权利要求2所述的摩擦轮驱动悬挂端梁，其特征在于：所述加压装置包括设于所述承托支架(12)上的弹性件(6)、对所述弹性件(6)施加或减轻压力以实现所述摩擦轮组(3)与驱动电机(11)同步上下运动的压力调节件(7)。
  4. 根据权利要求2所述的摩擦轮驱动悬挂端梁，其特征在于：所述弹性件(6)为碟簧，所述压力调节件(7)为螺母调节杆、液压推动器或电动推杆中的一种。
  5. 根据权利要求1所述的摩擦轮驱动悬挂端梁，其特征在于：所述摩擦轮组(3)中的每个摩擦轮的外圈均为工程塑料外圈以增加与所述轨道梁(2)下表面之间的摩擦力。
  6. 根据权利要求1所述的摩擦轮驱动悬挂端梁，其特征在于：所述行走机构包括若干行走单元(4)，每个所述行走单元(4)均包括平衡轮组(41)、安装固定所述平衡轮组(41)的平衡板(42)、以及固定于所述端梁本体(1)上与所述平衡板(42)转动连接的平衡轴(43)。
  7. 根据权利要求6所述的摩擦轮驱动悬挂端梁，其特征在于：每个所述平衡轮组(41)均包括沿轨道梁(2)长度方向间隔分布的多个车轮。
  8. 根据权利要求1所述的摩擦轮驱动悬挂端梁，其特征在于：所述端梁本体(1)上设有绕竖向延伸轴线转动并与所述轨道梁(2)相抵的水平导向轮(8)。
  9. 根据权利要求8所述的摩擦轮驱动悬挂端梁，其特征在于：所述平衡轮组(41)上设有轮缘，所述轨道梁(2)上设有与所述轮缘相配合的贴合面。
  10. 根据权利要求1所述的摩擦轮驱动悬挂端梁，其特征在于：所述端梁本体(1)的左右两端部分别设有起保护作用的缓冲器(9)。
PCT/CN2018/075561 2017-12-27 2018-02-07 摩擦轮驱动悬挂端梁 WO2019127852A1 (zh)

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