WO2020224046A1 - 岸桥小车吊具微调移位系统 - Google Patents

岸桥小车吊具微调移位系统 Download PDF

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Publication number
WO2020224046A1
WO2020224046A1 PCT/CN2019/095666 CN2019095666W WO2020224046A1 WO 2020224046 A1 WO2020224046 A1 WO 2020224046A1 CN 2019095666 W CN2019095666 W CN 2019095666W WO 2020224046 A1 WO2020224046 A1 WO 2020224046A1
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WO
WIPO (PCT)
Prior art keywords
trolley
roller
moving
quay crane
push rod
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PCT/CN2019/095666
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English (en)
French (fr)
Inventor
郑雪峰
肖强
郭树旺
赵迎九
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华电重工股份有限公司
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Application filed by 华电重工股份有限公司 filed Critical 华电重工股份有限公司
Publication of WO2020224046A1 publication Critical patent/WO2020224046A1/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
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear

Definitions

  • the invention relates to the technical field of port container loading and unloading, in particular to a quay crane trolley sling fine adjustment and displacement system.
  • Quay cranes are the most critical equipment in port container loading and unloading operations. Trolleys and spreaders are used to complete container transfers. In the process of container transportation and stacking, some containers deviate from the position, and the center of gravity of the container is not on the center line of the quay crane spreader. When the deviation is large, it is difficult to rely on the spreader to grab directly. At present, in order to solve this problem, a quay crane is generally required to perform container matching operations, and the entire quay crane is moved to reduce the deviation and realize the grabbing of the container by the spreader. Container operation requires operators to have a wealth of operating experience, and repeated container operation will prolong container loading and unloading time, reduce loading and unloading efficiency, increase quay crane energy consumption, and cause unnecessary loss of mechanical equipment on the quay crane.
  • the purpose of the present invention is to provide a quay crane sling fine adjustment and shifting system, which can be used to finely adjust and shift the quay crane sling when grabbing containers that deviate from the container position to realize the container and avoid moving the quay crane. It can not only improve loading and unloading efficiency, but also reduce the energy consumption of quay cranes.
  • Another purpose of the present invention is to resist the influence of cross wind at the port on container loading and unloading to a certain extent by adding auxiliary components.
  • the quay crane spreader fine-tuning and shifting system includes a mobile trolley connected to the spreader, a trolley moving device, and a mobile trolley track laid on the bottom beam of the quay crane.
  • the mobile trolley includes a trolley frame and a wheel set.
  • the trolley frame is a polygonal frame.
  • the wheel set is arranged under the trolley frame and is fixedly connected to the trolley frame.
  • the wheel set is slidably arranged on the moving trolley track to drive the trolley frame Slide along the moving trolley track.
  • the trolley moving device includes a motor, a reducer, an electric push rod, a support and a connecting seat.
  • the motor is connected to the reducer shaft, and the reducer is connected to the electric push rod shaft.
  • the motor provides power to realize the expansion and contraction of the electric push rod.
  • the push rod is connected with the connecting seat, and the connecting seat is connected with the frame of the trolley frame.
  • the trolley moving device is fixed together by a support and the moving beam of the quay crane, one end of the support is fixedly connected with the electric push rod, and the other end of the support is fixedly connected with the bottom beam of the quay crane.
  • the trolley frame is a rectangular frame, in which two long sides of the trolley frame are fixed with a connecting head at each end, and the trolley moving device includes four, two Two sets of wheels are arranged symmetrically on both sides of the trolley frame, and the trolley moving devices are respectively connected to the connecting base through the connecting heads.
  • the wheel set includes four sets of wheels, and each set of wheels is set under the four connecting heads. Specifically, each set includes two Wheels.
  • the connecting seat and the connecting head are connected by bolts, and the mobile trolley is clamped between the trolley moving devices on both sides and locked by bolts.
  • the trolley moving device restricts the displacement of the moving trolley on the moving trolley track, and when the electric push rod is locked, the moving trolley is fixed to prevent the moving trolley from shaking due to external forces such as crosswinds and causing safety hazards.
  • the connecting head is also provided with an anti-deflection wheel and an anti-deflection wheel rotating shaft, the anti-deflection wheel rotating shaft is fixedly arranged on the connecting head, and the anti-deflection wheel includes an integrated The sleeve and the roller are formed.
  • the sleeve is sleeved on the rotation axis of the anti-deflection wheel and can rotate around the rotation axis of the anti-deflection wheel.
  • the outer arc surface of the roller is in contact with the outer surface of the rail head of the adjacent moving trolley track .
  • the anti-deflection wheel can limit the displacement of the moving trolley in the direction perpendicular to the moving trolley track, prevent the moving trolley from deviating from the moving trolley track, and at the same time prevent the wheel group from gnawing the track.
  • the aforementioned quay crane trolley spreader fine-tuning and shifting system further includes an anti-roller, an anti-roller rotating shaft, and an anti-roller bracket.
  • the anti-roller bracket is fixedly connected to the frame of the connector, and the anti-roller rotating shaft is fixedly connected to the anti-roller bracket.
  • the anti-roller is sleeved on the anti-roller rotating shaft and can rotate around the anti-roller's rotating shaft.
  • the anti-roller is reversed on the bottom surface of the moving trolley track, and the anti-roller can roll along the moving trolley track.
  • the counter-roller and the wheel set cooperate to sandwich the moving trolley track between the two to prevent the moving trolley from shifting in the vertical direction, which may cause the moving trolley to derail.
  • the stroke of the electric push rod is 0-800mm, specifically, 500mm, and the moving range of the mobile trolley is ⁇ 500mm on both sides of the center line of the quay crane.
  • the present invention is beneficial in that it provides a quay crane trolley sling fine adjustment and displacement system, which can realize the fine adjustment and displacement of the quay crane trolley sling, complete the container operation, and avoid moving the quay crane.
  • the whole machine, the fine-tuning process is quick and easy, improves the efficiency of loading and unloading, reduces the energy consumption and mechanical wear of the quay crane in the box-setting operation, and adds the anti-deflection wheel and the anti-roller, so that the mobile trolley can run more safely and stably. To a certain extent, it is resistant to external unfavorable factors such as the interference of the cross wind at the port on the mobile trolley.
  • Figure 1 is a front view of the present invention
  • Figure 2 is a front view of the mobile trolley of the present invention.
  • Figure 3 is a front view of the connector of the present invention.
  • Figure 4 is a left side view of the mobile trolley in the present invention.
  • Figure 5 is a left side view of the connector of the present invention.
  • Figure 6 is a top view of the mobile trolley in the present invention.
  • Figure 7 is a schematic diagram of the structure of the trolley moving device of the present invention.
  • Embodiment 1 of the present invention As shown in Figure 1, the quay crane spreader fine-tuning and shifting system includes a mobile trolley 1 connected to the spreader 1, a trolley moving device 2 and a mobile trolley track 4 laid on the bottom beam of the quay crane 3 .
  • the trolley frame 5 is a polygonal frame.
  • the mobile trolley 1 includes a trolley frame 5 and a wheel set 6, which is arranged under the trolley frame 5, and The trolley frame 5 is fixedly connected, the wheel set 6 is slidably arranged on the moving trolley track 4, and the wheel set 6 drives the trolley frame 5 to slide on the moving trolley track 4.
  • the trolley moving device 2 includes a motor 7, a reducer 8, an electric push rod 9, a support 10, and a connecting seat 11.
  • the motor 7 and the reducer 8 are axially connected, and the reducer 8 and the electric push rod 9 Shaft connection, the electric push rod 9 is connected to the connecting seat 11, the connecting seat 11 is connected to the frame of the trolley frame 5, one end of the support 10 is fixedly connected to the electric push rod 9, and the other end of the support 10 is connected to the quay crane
  • the bottom cross beam of the trolley 3 is fixedly connected, and the trolley moving device 2 is fixed on the bottom cross beam of the quay crane 3 through a bracket 10.
  • Embodiment 2 In the fine-tuning and shifting system of the quay crane trolley spreader, as shown in Figure 6, the trolley frame 5 is a rectangular frame, and two long sides of the trolley frame 5 are each fixed with a connecting head 12.
  • the trolley moving device 2 includes four, which are arranged symmetrically on both sides of the trolley frame 5, and the four connecting heads 12 are connected to the four trolley moving devices 2 respectively, and the trolley moving device 2 is connected to the connecting head via the connecting seat 11 12 is connected, as shown in FIG. 2 or FIG. 4, the wheel set 6 includes four sets of wheels, specifically, each set includes two wheels, and each set of wheels is arranged under the four connecting heads 12.
  • Embodiment 3 As shown in Fig. 7, in the quay crane spreader fine-tuning and shifting system, the connecting seat 11 and the connecting head 12 are connected by bolts, the mobile trolley 1 is fixed in the middle by the trolley moving devices 2 on both sides, and the trolley moves The push and pull of the electric push rod 9 in the device 2 can realize the sliding of the mobile car 1 on the mobile car track 4. At the same time, the car moving device 2 can also limit the mobile car 1 and lock the mobile car 1 when no translation is required. To prevent the mobile trolley 1 from moving along the moving trolley track 4 and drive the sling below to shake, causing safety hazards.
  • Embodiment 4 As shown in Fig. 2 or Fig. 3, in the fine-tuning and shifting system of the quay crane trolley spreader, the connecting head 12 is also provided with an anti-deflection wheel 13 and an anti-deflection wheel rotation shaft 14.
  • the anti-deflection wheel The rotating shaft 14 is fixedly connected with the connecting head 12.
  • the anti-deflection wheel 13 includes an integrally formed sleeve 17 and a roller 18.
  • the sleeve 17 is sleeved on the anti-deflection wheel rotating shaft 14 and can rotate around the anti-deflection wheel rotating shaft 14 ,
  • the outer arc surface of the roller 18 conflicts with the outer surface of the rail head of the adjacent moving trolley rail 4.
  • the anti-deflection wheels 13 on both sides are arranged on the outer side of the two moving trolley tracks 4 or the anti-deflection wheels 13 on both sides are arranged on the inner side of the two moving trolley tracks 4.
  • the anti-deflection wheel 13 restricts the displacement of the mobile trolley 1 in a direction perpendicular to the mobile trolley track 4, prevents the mobile trolley 1 from deviating from the mobile trolley track 4, and can also prevent the wheel set 6 from gnawing the track.
  • Embodiment 5 As shown in Fig. 4 or Fig. 5, the quayside crane trolley spreader fine-tuning and shifting system further includes a counter-roller 15, a counter-roller rotating shaft 19, and a counter-roller bracket 16, the counter-roller bracket 16 and the connecting head 12 is fixedly connected, the anti-roller rotating shaft 19 is fixedly connected to the anti-roller bracket 16, the anti-roller 15 is sleeved on the anti-roller rotating shaft 19, and can rotate around the anti-roller rotating shaft 19, and the anti-roller 15 is reversed on the moving trolley track 4 On the bottom surface, the reverse roller 15 can roll along the moving trolley track 4.
  • the pressure on the mobile trolley track 4 is small, and the wheel set 6 and the mobile trolley track 4 are not closely attached, and the mobile trolley 1 may be displaced in the vertical direction under the influence of external force. , There is even the risk of leaving the moving trolley track 4.
  • the added anti-roller 15 is fixed by the anti-roller bracket 16 and the trolley frame 5.
  • the anti-roller 15 and the wheel set 6 sandwich the moving trolley track 4 in the middle, restricting the moving trolley 1
  • the displacement in the vertical direction makes the movement of the mobile trolley 1 more stable.
  • Embodiment 6 In the fine-tuning and shifting system of the quay crane trolley spreader, the stroke of the electric push rod 9 is 0-800mm, specifically, the stroke of the electric push rod 9 may be 500mm, and the movement range of the mobile trolley 1 is The two sides of the center line of the quay crane 3 are ⁇ 500mm. In actual work, a suitable electric push rod 9 can be selected to change the stroke range according to the specific working environment and conditions.
  • the present invention uses the mobile trolley 1 to connect the spreader, and the mobile trolley 1 is driven to move on the mobile trolley track 4 through the trolley moving device 2, so as to realize the fine adjustment and displacement of the quay crane spreader. It is not necessary to move the whole quay crane during operation.
  • the electric push rod 9 in the trolley moving device 2 is fixedly connected to the mobile trolley 1 through the connecting seat 11, and the pushing and pulling of the electric push rod 9 is controlled by the motor 7 through the reducer 8, so that the operator can control the fine-tuning translation of the spreader.
  • trolley moving devices 2 are installed on the left and right sides of the moving trolley 1.
  • the trolley moving device 2 provides power to the mobile trolley 1, and can be used without When moving, lock the position of the mobile trolley 1 to prevent the mobile trolley 1 from sliding freely on the moving trolley track 4, driving the spreader and the container to sway, causing safety hazards.
  • the present invention also adds an anti-deflection wheel 13 and an anti-roller 15 as well as supporting components.
  • an anti-deflection wheel 13 is added.
  • the anti-deflection wheel 13 can limit the displacement and deflection of the mobile trolley 1 in the vertical direction of the moving trolley track 4, and ensure the normal operation of the mobile trolley 1.
  • the mobile trolley 1 has a lighter weight when it is unloaded, and the wheel set 6 exerts less pressure on the mobile trolley track 4, and the mobile trolley 1 is prone to vertical displacement and deviates from the mobile trolley track 4, which is not conducive to safe operation.
  • the anti-roller 15 is added, the wheel set 6 is positively pressed on the moving trolley track 4, the anti-roller 15 is reversed on the bottom surface of the moving trolley track 4, and the moving trolley 1 is restricted by the moving trolley track 4.
  • the displacement in the vertical direction ensures safe operation.
  • the working environment of the quay crane trolley is greatly affected by external influences such as cross winds.
  • the additional anti-deflection wheels 13 and anti-rolling wheels 15 can effectively improve the stability of the mobile trolley 1 during work and ensure safe and efficient operation of the container.

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

Abstract

一种岸桥小车吊具微调移位系统，包括连接吊具的移动小车（1）、小车移动装置（2）和铺设于岸桥小车（3）底部横梁上的移动小车轨道（4），移动小车（1）包括小车机架（5）和车轮组（6），小车机架（5）为多边形框架，车轮组（6）设于小车机架（5）下方，与小车机架（5）固定连接，车轮组（6）滑动设于移动小车轨道（4）上；小车移动装置（2）包括电机（7）、减速器（8）、电动推杆（9）、支座（10）和连接座（11），电机（7）和减速器（8）轴连接，减速器（8）和电动推杆（9）轴连接，电动推杆（9）与连接座（11）连接，连接座（11）与小车机架（5）的框体连接，支座（10）的一端与电动推杆（9）固定连接，支座（10）的另一端与岸桥小车（3）的底部横梁固定连接。通过上述设置，能够提高集装箱的装卸效率，同时结构稳定，可以在一定程度上抵抗外界不利因素的影响。

Description

岸桥小车吊具微调移位系统 技术领域
本发明涉及港口集装箱装卸技术领域，特别是一种岸桥小车吊具微调移位系统。
背景技术
航运由于其运量大，成本低的优点一直是国际货运中最主要的运输方式，占国际贸易总运量的三分之二以上。随着国际贸易的飞速发展，航运物流的运量也快速增高，全球重要港口集装箱吞吐量不断增长。为降低运输成本，提高航运效率，集装箱船不断改进，运力逐渐提高，目前，载箱量22000TEU的3E级集装箱船已投入使用，这对港口的集装箱装卸效率是一个巨大的考验。
岸桥是港口集装箱装卸作业中最关键的设备，利用小车和吊具完成集装箱的转运。在集装箱运输和堆叠过程中，部分集装箱偏离箱位，集装箱重心不在岸桥吊具的中心线上，当偏离较大时，难以依靠吊具直接抓取。目前，为解决此问题，一般需要岸桥进行对箱作业，通过移动整个岸桥减小偏差，实现吊具对集装箱的抓取。对箱作业需要操作人员具备丰富的操作经验，并且多次进行对箱作业会延长集装箱的装卸时间，降低装卸效率，增加岸桥能耗，还会对岸桥上的机械设备造成不必要的损耗。
发明内容
本发明的目的在于，提供一种岸桥小车吊具微调移位系统，可以在抓取偏离箱位的集装箱时，通过对岸桥小车吊具进行微调移位，实现对箱，避免移动岸桥整机，提高装卸效率的同时还能够减少岸桥能耗。本发明的另一目的在于通过增加辅助部件，在一定程度上抵抗港口横风对集装箱装卸产生的影响。
为解决上述技术问题，本发明采用如下的技术方案：岸桥小车吊具微调移位系统包括连接吊具的移动小车、小车移动装置和铺设于岸桥小车底部横梁上的移动小车轨道，所述移动小车包括小车机架和车轮组，所述小车机架为多边 形框架，车轮组设于小车机架下方，与小车机架固定连接，车轮组滑动设于移动小车轨道上，可以带动小车机架沿移动小车轨道滑动。小车移动装置包括电机、减速器、电动推杆、支座和连接座，所述电机和减速器轴连接，减速器和电动推杆轴连接，由电机提供动力，实现电动推杆的伸缩，电动推杆与连接座连接，所述连接座与小车机架的框体连接。小车移动装置通过支座和岸桥小车的移动横梁固定在一起，支座的一端与电动推杆固定连接，支座的另一端与岸桥小车的底部横梁固定连接。
前述的岸桥小车吊具微调移位系统中，小车机架为矩形框架，其中小车机架的两条长边的两端各固定设有一个连接头，所述小车移动装置包括四个，两两对称设于小车机架两侧，小车移动装置分别经连接头与连接座连接，所述车轮组包括四组车轮，每组车轮分别设于四个连接头下方，具体的，每组包括两个车轮。
前述的岸桥小车吊具微调移位系统中，连接座和连接头螺栓连接，将移动小车夹在两侧的小车移动装置中间，并通过螺栓固定锁死。通过小车移动装置对移动小车在移动小车轨道上的位移进行了限制，并在电动推杆锁定时，固定移动小车，避免移动小车因横风等外力作用发生晃动，产生安全隐患。
前述的岸桥小车吊具微调移位系统中，连接头上还设有防偏轮和防偏轮转动轴，所述防偏轮转动轴固定设于连接头上，所述防偏轮包括一体成型的套筒和滚轮，套筒套设于防偏轮转动轴上，可绕防偏轮转动轴旋转，所述滚轮的外弧面和与之相邻的移动小车轨道的轨头外侧面抵触，防偏轮能够对移动小车在垂直于移动小车轨道方向上的位移进行限制，防止移动小车偏离移动小车轨道，同时还能够避免车轮组啃轨。
前述的岸桥小车吊具微调移位系统还包括反滚轮、反滚轮转动轴和反滚轮支架，所述反滚轮支架与连接头的框体固定连接，反滚轮转动轴与反滚轮支架固定连接，反滚轮套设于反滚轮转动轴上，可绕反滚轮转动轴旋转，反滚轮反顶于移动小车轨道的底面上，反滚轮能够沿移动小车轨道滚动。反滚轮和车轮 组配合，将移动小车轨道夹在两者中间，防止移动小车在竖直方向上产生位移，而导致移动小车脱轨。
前述的岸桥小车吊具微调移位系统中，电动推杆的行程为0-800mm，具体的，可以为500mm，所述移动小车的移动范围为岸桥小车的中心线两侧±500mm。
与现有技术相比，本发明的有益之处在于：提供了一种岸桥小车吊具微调移位系统，能够实现岸桥小车吊具的微调移位，完成对箱作业，避免移动岸桥整机，微调过程快捷简便，提高了装卸效率，减少了岸桥在对箱作业中的能耗和机械磨损，并且增加了防偏轮和反滚轮，使移动小车运行更安全稳定，能够在一定程度上抵抗外界不利因素例如港口横风对移动小车的干扰。
附图说明
图1是本发明的主视图；
图2是本发明中移动小车的主视图；
图3是本发明中连接头的主视图；
图4是本发明中移动小车的左视图；
图5是本发明中连接头的左视图；
图6是本发明中移动小车的俯视图；
图7是本发明中小车移动装置的结构示意图。
附图标记的含义：1-移动小车，2-小车移动装置，3-岸桥小车，4-移动小车轨道，5-小车机架，6-车轮组，7-电机，8-减速器，9-电动推杆，10-支座，11-连接座，12-连接头，13-防偏轮，14-防偏轮转动轴，15-反滚轮，16-反滚轮支架，17-套筒，18-滚轮，19-反滚轮转动轴。
下面结合附图和具体实施方式对本发明作进一步的说明。
具体实施方式
本发明的实施例1：如图1所示，岸桥小车吊具微调移位系统包括连接吊具的移动小车1、小车移动装置2和铺设于岸桥小车3底部横梁上的移动小车轨道4。如图6所示，所述小车机架5为多边形框架，如图2或图4所示，移动小车 1包括小车机架5和车轮组6，车轮组6设于小车机架5下方，与小车机架5固定连接，车轮组6滑动设于移动小车轨道4上，车轮组6带动小车机架5在移动小车轨道4上滑动。
如图7所示，小车移动装置2包括电机7、减速器8、电动推杆9、支座10和连接座11，所述电机7和减速器8轴连接，减速器8和电动推杆9轴连接，电动推杆9与连接座11连接，连接座11与小车机架5的框体连接，所述支座10的一端与电动推杆9固定连接，支座10的另一端与岸桥小车3的底部横梁固定连接，小车移动装置2通过支架10固定在岸桥小车3的底部横梁上。
实施例2：所述岸桥小车吊具微调移位系统中，如图6所示，小车机架5为矩形框架，小车机架5的两条长边的两端各固定设有一个连接头12，所述小车移动装置2包括四个，两两对称设于小车机架5两侧，四个连接头12分别和四个小车移动装置2连接，小车移动装置2经连接座11与连接头12连接，如图2或图4所示，所述车轮组6包括四组车轮，具体的，每组包括两个车轮，每组车轮设于四个连接头12下方。
实施例3：如图7所示，所述岸桥小车吊具微调移位系统中，连接座11和连接头12螺栓连接，移动小车1被两侧的小车移动装置2固定在中间，小车移动装置2中的电动推杆9推拉，可以实现移动小车1在移动小车轨道4上的滑动，同时小车移动装置2还能够对移动小车1进行限位，并在不需要平移时将移动小车1锁死，防止移动小车1沿移动小车轨道4移动，带动下方吊具晃动，造成安全隐患。
实施例4：如图2或图3所示，所述岸桥小车吊具微调移位系统中，连接头12上还设有防偏轮13和防偏轮转动轴14，所述防偏轮转动轴14与连接头12固定连接，所述防偏轮13包括一体成型的套筒17和滚轮18，套筒17套设于防偏轮转动轴14上，可绕防偏轮转动轴14转动，所述滚轮18的外弧面和与之相邻的移动小车轨道4的轨头外侧面抵触。两侧的防偏轮13均设置在两条移动小车轨道4的外侧或两侧的防偏轮13均设置在两条移动小车轨道4的内侧。防偏 轮13限制了移动小车1在垂直于移动小车轨道4方向上的位移，防止了移动小车1偏离移动小车轨道4，同时还能够避免车轮组6啃轨。
实施例5：如图4或图5所示，所述岸桥小车吊具微调移位系统还包括反滚轮15、反滚轮转动轴19和反滚轮支架16，所述反滚轮支架16与连接头12固定连接，反滚轮转动轴19与反滚轮支架16固定连接，反滚轮15套设于反滚轮转动轴19上，可绕反滚轮转动轴19旋转，反滚轮15反顶于移动小车轨道4的底面上，反滚轮15能够沿移动小车轨道4滚动。移动小车1在下方吊具空载时对移动小车轨道4的压力较小，车轮组6和移动小车轨道4的贴合不紧密，在外力影响下移动小车1可能会在竖直方向上发生位移，甚至有脱离移动小车轨道4的危险，增加的反滚轮15通过反滚轮支架16和小车机架5固定，反滚轮15和车轮组6将移动小车轨道4夹在中间，限制了移动小车1在竖直方向上的位移，使移动小车1的移动更稳定。
实施例6：所述岸桥小车吊具微调移位系统中，电动推杆9的行程为0-800mm，具体的，电动推杆9的行程可以是500mm，所述移动小车1的移动范围为岸桥小车3的中心线两侧±500mm，在实际工作中可以根据具体的工作环境和情况选用合适的电动推杆9来改变行程范围。
本发明的工作原理：本发明采用移动小车1连接吊具，并通过小车移动装置2带动移动小车1在移动小车轨道4上的平移，实现了岸桥小车吊具的微调移位，在对箱作业中可以不移动岸桥整机。
小车移动装置2中电动推杆9通过连接座11和移动小车1固定连接，电动推杆9的推拉由电机7通过减速器8控制，即可实现操作人员对吊具微调平移的控制。为提高移动小车1在移动小车轨道4上滑动的稳定性，在移动小车1的左右两侧都设置了小车移动装置2，小车移动装置2为移动小车1提供动力的同时，还能够在不需要移动时锁定移动小车1的位置，防止移动小车1在移动小车轨道4上自由滑动，带动吊具和集装箱晃动，产生安全隐患。
为了提高移动小车1在移动小车轨道4上的稳定性，本发明还增加了防偏 轮13和反滚轮15，以及配套部件。
当集装箱重心不在移动小车1中心线上或因外界因素导致移动小车1发生晃动时，移动小车1会偏离移动小车轨道4，甚至有脱轨风险。如图2或图3所示，增加了防偏轮13，防偏轮13能够限制移动小车1在移动小车轨道4垂直方向上的位移和偏转，保证移动小车1的正常运行。
移动小车1在空载时自重较轻，车轮组6对移动小车轨道4的压力较小，移动小车1容易发生竖直方向上的位移而脱离移动小车轨道4，不利于运行安全。如4或图5所示，增加了反滚轮15，车轮组6正压在移动小车轨道4上，反滚轮15反顶在移动小车轨道4的底面，通过移动小车轨道4限制了移动小车1在竖直方向上的位移，保证运行安全。
岸桥小车的工作环境受横风等外界影响大，增加的防偏轮13和反滚轮15能够有效的提高移动小车1在工作时的稳定性，保证对箱作业安全高效地进行。

Claims (6)

  1. 岸桥小车吊具微调移位系统，其特征在于：包括连接吊具的移动小车(1)、小车移动装置(2)和铺设于岸桥小车(3)底部横梁上的移动小车轨道(4)，所述移动小车(1)包括小车机架(5)和车轮组(6)，所述小车机架(5)为多边形框架，车轮组(6)设于小车机架(5)下方，与小车机架(5)固定连接，车轮组(6)滑动设于移动小车轨道(4)上；小车移动装置(2)包括电机(7)、减速器(8)、电动推杆(9)、支座(10)和连接座(11)，所述电机(7)和减速器(8)轴连接，减速器(8)和电动推杆(9)轴连接，电动推杆(9)与连接座(11)连接，连接座(11)与小车机架(5)连接，所述支座(10)的一端与电动推杆(9)固定连接，支座(10)的另一端与岸桥小车(3)的底部横梁固定连接。
  2. 根据权利要求1所述的岸桥小车吊具微调移位系统，其特征在于：所述小车机架(5)为矩形框架，其中小车机架(5)两条长边的两端各固定设有一个连接头(12)，所述小车移动装置(2)包括四个，两两对称设于小车机架(5)两侧，小车移动装置(2)经连接座(11)与连接头(12)连接，所述车轮组(6)包括四组车轮，每组车轮分别设于四个连接头(12)下方。
  3. 根据权利要求2所述的岸桥小车吊具微调移位系统，其特征在于：所述连接座(11)和连接头(12)螺栓连接。
  4. 根据权利要求2所述的岸桥小车吊具微调移位系统，其特征在于：所述连接头(12)上还设有防偏轮(13)和防偏轮转动轴(14)，所述防偏轮转动轴(14)固定设于连接头(12)上，所述防偏轮(13)包括一体成型的套筒(17)和滚轮(18)，套筒(17)套设于防偏轮转动轴(14)上，可绕防偏轮转动轴(14)转动，所述滚轮(18)的外弧面和与之相邻的移动小车轨道(4)的轨头外侧面抵触。
  5. 根据权利要求2所述的岸桥小车吊具微调移位系统，其特征在于：还包括反滚轮(15)、反滚轮支架(16)和反滚轮转动轴(19)，所述反滚轮支架(16)与连接头(12)固定连接，反滚轮转动轴(19)与反滚轮支架(16)固定连接，反滚轮(15)套设于反滚轮转动轴(19)上，可绕反滚轮转动轴(19) 旋转，反滚轮(15)反顶于移动小车轨道(4)的底面上，反滚轮(15)能够沿移动小车轨道(4)滚动。
  6. 根据权利要求1所述的岸桥小车吊具微调移位系统，其特征在于：所述电动推杆(9)的行程为0-800mm。
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