WO2016169250A1 - 限位装置 - Google Patents

限位装置 Download PDF

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Publication number
WO2016169250A1
WO2016169250A1 PCT/CN2015/094564 CN2015094564W WO2016169250A1 WO 2016169250 A1 WO2016169250 A1 WO 2016169250A1 CN 2015094564 W CN2015094564 W CN 2015094564W WO 2016169250 A1 WO2016169250 A1 WO 2016169250A1
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WO
WIPO (PCT)
Prior art keywords
limiting
segment
base
limit
limiting device
Prior art date
Application number
PCT/CN2015/094564
Other languages
English (en)
French (fr)
Inventor
郭建强
邓小军
刘韶庆
孙召进
林君山
李斌
赵艳菊
Original Assignee
中车青岛四方机车车辆股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201510188873.4A external-priority patent/CN104802817A/zh
Priority claimed from CN201520239460.XU external-priority patent/CN204605817U/zh
Application filed by 中车青岛四方机车车辆股份有限公司 filed Critical 中车青岛四方机车车辆股份有限公司
Priority to US15/119,371 priority Critical patent/US9809147B2/en
Publication of WO2016169250A1 publication Critical patent/WO2016169250A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/06—Securing of load
    • B60P7/13—Securing freight containers or forwarding containers on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/06—Securing of load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
    • B61D45/001—Devices for fixing to walls or floors

Definitions

  • the invention relates to a limiting device.
  • high-speed rail freight fast cargo sports vehicles
  • countries represented by France and Germany have started to develop high-speed rail freight by starting services such as express mail and parcels.
  • the traditional method of loading and unloading goods by rail freight (package train) is usually: manual loading and unloading, parcel bulk (cargo floor), using pressure-stacking stacking or trapezoidal stacking type, using stacking and compacting between stacks, Fix it.
  • the fixed goods of the fast-moving sports car group need to solve the problems of modular assembly, fast loading and fixing of the goods to ensure safe and reliable transportation.
  • the former requires that the limit device can be turned down so as not to affect the transportation, and the latter requires the limit device to be turned up to meet the limit of the container unit and meet the strength requirement. Therefore, in order to meet the needs of freight transportation, especially high-speed rail freight transportation, it is necessary to improve the above-mentioned defects existing in the prior art.
  • the main object of the present invention is to provide a limiting device which is simple in structure, convenient in operation, reliable in effect, and can well meet the requirements of fast loading and fixing.
  • the present invention provides a limiting device comprising a base and a limiting member rotatably disposed on the base, the limiting device further comprising a positioning member, the base member a hollow portion; the limiting member is switchable between a limit state and a non-limit state, and when the limit member is in the limit state, the positioning member positions the position of the limit member; When the limiting member is in the non-restricted state, the positioning member releases the positioning of the limiting member, and at least a portion of the limiting member is received in the hollow portion.
  • the limiting member has a body portion and a limiting portion, the body portion includes a first segment and a second segment, the first end of the first segment is rotatably disposed on the base, a second end of the first segment is connected to the first end of the second segment, a second end of the second segment is connected to the limiting portion; the second segment and the limiting portion form a limit region.
  • the second segment is a straight segment, and the straight segment and the limiting portion constitute a T-shaped structure.
  • the limiting device further includes a first elastic member, and the first elastic member is configured to cause the limiting member to have a tendency to switch from the limiting state to the non-limiting state.
  • first end of the first segment is rotatably disposed on the base by a first rotating shaft
  • first elastic member is a first torsion spring sleeved on the first rotating shaft
  • the positioning member includes a first positioning member, a first end of the first positioning member is rotatably disposed on the base, and a second end of the first positioning member is a hook-shaped structure,
  • the first segment has a hollow portion for passing through the hollow portion and hooking the first side of the first segment when the limiting member is in the limit state.
  • the limiting device further includes a second elastic member for causing the second end of the first positioning member to have a tendency to move upward relative to the base.
  • the limiting device further includes a pedal disposed on the first positioning member for enabling the second end of the first positioning member to be opposite to the base under the action of an external force Under exercise.
  • first end of the first positioning member is rotatably disposed on the base by a second rotating shaft
  • second elastic member is a second torsion spring sleeved on the second rotating shaft
  • the positioning member includes a second positioning member, the first end of the second positioning member is fixedly disposed on the base, and the second end of the second positioning member is configured to be in the limiting member
  • the limit state abuts the second side of the first segment; the first side and the second side are opposite sides of the first segment.
  • the switching between the limiting state and the non-limiting state is realized by the limiting component, and the positioning and disengaging of the limiting component are realized by the positioning component, and the limitation is in the non-limit state.
  • At least a portion of the piece is housed within the hollow portion of the base and is well suited for fast loading and securing requirements.
  • FIG. 1 is a schematic structural view of a limiting device according to an embodiment of the present invention.
  • FIG. 2 shows a schematic diagram of a position limiting device in use in accordance with an embodiment of the present invention.
  • the present invention provides a limiting device comprising a base and a limiting member rotatably disposed on the base, the limiting device further comprising a positioning member, the base Having a hollow portion; the limiting member is switchable between a limiting state and a non-limiting state, and when the limiting member is in the limiting state, the positioning member positions the position of the limiting member; When the limiting member is in the non-restricted state, the positioning member releases the positioning of the limiting member, and at least a portion of the limiting member is received in the hollow portion.
  • the switching between the limiting state and the non-limiting state is realized by the limiting component, and the positioning and disengaging of the limiting component are realized by the positioning component, and the limitation is in the non-limit state.
  • At least a portion of the piece is housed in the hollow portion of the base, which is well suited for fast Loading and fixing requirements.
  • FIG. 1 is a block diagram showing the structure of a limiting device according to an embodiment of the invention.
  • Fig. 1 shows a schematic structural view of a limiting device according to an embodiment of the invention, in which a part of the limiting member 4 is shown in a sectional view to reflect the structure of the first positioning member 3.
  • the limiting device comprises a base 1 and a limiting member 4 , and the limiting member 4 is rotatably disposed on the base 1 .
  • the base 1 has a hollow portion.
  • the base 1 may be a square frame structure, and the side plates on the left and right sides and the end plates at the front and rear ends collectively form a frame structure in one direction, and the middle of the frame structure is a hollow portion.
  • the front-rear direction refers to the forward and backward directions (ie, the left-right direction of FIG. 2 ) during the transportation of the cargo, and the left-right direction is based on the forward direction during the transportation of the cargo (ie, The left side of Figure 2).
  • the limiting device may further comprise a positioning member. Since the limiting member 4 is rotatably disposed on the base 1, the limiting member 4 is disposed to be switchable between a limit state and a non-limit state. When the limiting member 4 is in the limit state, the positioning member positions the position of the limiting member 4 to maintain the limit state. When the limiting member 4 is in the non-restricted state, the positioning member releases the positioning of the limiting member 4, and at least a portion of the limiting member 4 is received in the hollow portion.
  • the limiting member 4 may have a body portion and a limiting portion.
  • the body portion includes a first segment and a second segment that are interconnected.
  • the first end of the first segment is rotatably disposed on the base 1, the second end of the first segment is coupled to the first end of the second segment, and the second end of the second segment is coupled to The limit portion.
  • the second segment and the limiting portion constitute a limiting region.
  • the limiting area can limit at least a part of the carrier or the carrier of the cargo (for example a container or a pallet) therein, thereby achieving its limiting effect.
  • at least a portion of the connection between the second segment and the limiting portion may constitute a right-angled limiting region, thereby facilitating the limiting effect of the limiting region.
  • the second segment can be a straight segment.
  • the straight line segment and the limit portion may constitute a T-shaped structure.
  • the connection between the second segment and the limiting portion constitutes two right-angled limiting regions, so that the objects on the front and rear sides can be effectively limited at the same time.
  • the limiting device may further include a first elastic member for using the limiting member 4
  • a first elastic member for using the limiting member 4
  • the limiting member 4 always has a tendency to reverse from the upright limit state to the unrestricted state of the lodging, and once the positioning member releases the positioning of the limiting member 4,
  • the limit member 4 can be automatically flipped to the non-limit state.
  • the first end of the first section of the body portion of the retaining member 4 can be rotatably disposed on the base 1 by the first rotating shaft 2.
  • the first elastic member may be a first torsion spring that is sleeved on the first rotating shaft 2.
  • the first elastic member may also adopt other forms of springs, such as a tension spring that is connected to the base 1 at one end and connected to the limiting member 4 at the other end, and may also adopt other forms.
  • the positioning member may include a first positioning member 3.
  • the first end of the first positioning member 3 is rotatably disposed on the base 1, and the second end of the first positioning member 3 is a hook-like structure.
  • the first section of the body portion of the limiting member 4 has a hollow portion for passing through the hollow portion and hooking the first portion of the first segment when the limiting member 4 is in the limit state side.
  • the second end of the first positioning member 3 passes through the hollow portion on the first portion of the body portion of the limiting member 4, and the first positioning member 3
  • the hooked structure of the second end hooks the first side of the first section (ie, the right side of FIG. 2), thereby positioning the limiting member 4 in the limit state.
  • the hook structure may be first disengaged from the first side of the first segment and exited from the hollow portion, The positioning of the limiting member 4 by the first positioning member 3 enables the limiting member 4 to be smoothly flipped to the non-restricted state.
  • the limiting device further includes a second elastic member for causing the second end of the first positioning member 3 to have a tendency to move upward relative to the base 1. Therefore, under the action of the elastic force of the second elastic member, the second end of the first positioning member 3 always has a tendency to move upward relative to the base 1, once the second end of the first positioning member 3 and the limiting member 4 After the aforementioned first stage is engaged, the first positioning member 3 can maintain the reliable positioning of the limiting member 4 by the elastic force of the second elastic member.
  • the first end of the first positioning member 3 is rotatably disposed on the base 1 via a second rotating shaft 5, and the second elastic member is a second torsion spring sleeved on the second rotating shaft 5.
  • the second elastic member can also adopt other forms of springs, for example, one end is connected to
  • the spring on the base 1 and the other end connected to the first positioning member 3 may also adopt other forms of components and/or mechanisms having elastic members.
  • the limiting device may further include a pedal 6.
  • the pedal 6 is disposed on the first positioning member 3 for enabling the second end of the first positioning member 3 to move downward relative to the base 1 under the action of an external force.
  • the second end of the first positioning member 3 can be moved downward relative to the base 1 by the pedaling of the operator's foot, and the limiting member 4 is turned to the non-restricted state, and the first positioning member 3 is released from the limit position.
  • the positioning member may further include a second positioning member 8.
  • the first end of the second positioning member 8 is fixedly disposed on the base 1 , and the second end of the second positioning member 8 is configured to abut the second side of the first segment when the limiting member 4 is in the limit state .
  • the first side and the second side are opposite sides of the first segment, that is, respectively located on the left and right sides of the first segment of the body portion of the limiting member 4 in FIG.
  • the first section of the body portion of the stop member 4 can be an arcuate segment.
  • the second positioning member 8 can abut against the second side of the curved segment in the restricted state, that is, against an arcuate surface, thereby being able to increase The stability of positioning.
  • the first segment as an arc segment, the height of the entire limiting device can be minimized when the limiting member 4 is in the non-restricted state of the lodging, so as to facilitate the carrier of the cargo or the cargo (for example, a container or a set) Loading plate) passes over the limiter.
  • a reinforcing plate 7 may be provided in the hollow portion of the base 1.
  • the number of the reinforcing plates may be one or more, depending on actual needs.
  • a fixing mechanism for fixing itself can be provided on the base 1.
  • the fixing mechanism may include a mounting sink and a bolt hole provided on the mounting table.
  • the mounting platform can ensure that the bolt is not installed above the bolt hole and is not higher than the upper surface of the base 1 to avoid interference with objects carried on the base 1.
  • FIG. 2 shows a schematic diagram of a position limiting device in use in accordance with an embodiment of the present invention.
  • the limiting member 4 of the above-mentioned limiting device when the limiting member 4 of the above-mentioned limiting device is in the limit state, it is possible to simultaneously limit, for example, two container plates 9 (on which containers or other goods can be placed), at this time, the left side The right end of the bulk plate 9 and the left end of the right side of the bulk plate 9 respectively enter the two limit areas of the aforementioned T-shaped structure, thereby realizing the limit of the bulk plate 9.
  • the foregoing embodiments of the present invention achieve the following technical effects: simple structure, convenient use and maintenance; high carrying capacity, meeting the limit and load requirements; in the non-limit state Lodging, easy to carry the loading unit; fixed and in place after turning up, the limit function is reliable and effective; the unlocking operation is convenient, the work efficiency can be effectively improved, the loading and unloading speed of the cargo can be greatly improved, and the time cost can be reduced.
  • the limit lock device provided by the present invention can achieve three purposes for the container unit in the cargo compartment: 1. Providing a longitudinal limit at a fixed position for the container unit (goods), when the vehicle is in a running direction of not less than 5g overload. Impact, the device does not cause failure, and at the same time consider the lightweight design; Second, when the cargo is transported along the length of the cargo hold, the limit device can be turned down and down to facilitate the transportation of the goods from it; 3. The limit device The operation enables flexible and reliable locking and unlocking.
  • the limiting device provided by the invention is suitable for general freight transportation, and is particularly suitable for freight transportation of goods and sports cars, especially for limiting and fixing the loading plate on which containers or other goods are placed, thereby realizing rapid loading and unloading of goods. .
  • the limiting device of the present invention has been described above based on the embodiments, but the limiting device is not limited to the components and/or connection relationships described in this embodiment.
  • the base is not limited to a rectangular frame structure; the structure of the limiting member and the positioning member and the manner of setting the same are not limited to the structure and the arrangement manner of the embodiment, as long as the limiting member can be between the limit/non-limit state.
  • the flipping is switched, and the positioning member can position/unposition the limiting member; the first elastic member and the second elastic member are not limited to the torsion spring, and may be various mechanisms/components capable of providing a required elastic force.

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Abstract

一种限位装置，包括底座(1)、可转动地设置在底座(1)上的限位件(4)以及定位件，底座(1)具有中空部分。限位件(4)能够在限位状态和非限位状态之间切换，当限位件处于限位状态时，定位件定位限位件的位置；当限位件处于非限位状态时，定位件解除对限位件的定位，而且限位件的至少一部分被容纳在中空部分中。该限位装置通过限位件实现了限位状态和非限位状态之间的切换，通过定位件实现了限位件的定位和解除定位，能够很好地满足快速装载与固定要求。

Description

限位装置
本申请要求于2015年04月20日提交中国专利局、申请号为201510188873.4、发明名称为“限位装置”，以及要求于2015年04月20日提交中国专利局、申请号为201520239460.X、发明名称为“限位装置”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
本发明涉及一种限位装置。
背景技术
货运过程中，为了实现对货物等物体的限位，经常会使用限位装置。目前，高速铁路货运(快速货运动车组)具有比普通列车快速、比航空运输成本低的竞争优势。以法国、德国为代表的国家，已从运送特快邮件和包裹等服务开始，发展高速铁路货运。
传统的铁路货运(行包专列)的货物装载固定方式通常是：人工装卸，包裹散装(货舱地板)，采用压缝堆码或梯形堆码型式，利用堆垛之间相互挤压密贴，不进行固定。快速货运动车组货物的固定，需要解决货物的模块化集装、快速装载与固定等问题，以保证运输的安全、可靠。要实现模块化集装单元在货舱的快速装载与固定，尤其是沿车辆运行方向要实现两个功能：一是集装单元的人工滚道运输，二是集装单元推至指定位置后的纵向限位问题。前者要求限位装置能够翻下从而不影响运输，后者要求限位装置能够翻起以满足集装单元的限位且满足强度要求。因此，为了满足货运尤其是高速铁路货运的需要，有必要针对现有技术存在的上述缺陷进行改进。
发明内容
本发明的主要目的在于提供一种限位装置，所述限位装置的结构简单，操作方便，效果可靠，能够很好地满足快速装载与固定要求。
为了实现上述目的，本发明提供了一种限位装置，包括底座和可转动地设置在所述底座上的限位件，所述限位装置还包括定位件，所述底座具 有中空部分；所述限位件能够在限位状态和非限位状态之间切换，当所述限位件处于所述限位状态时，所述定位件定位所述限位件的位置；当所述限位件处于所述非限位状态时，所述定位件解除对所述限位件的定位，且所述限位件的至少一部分被容纳在所述中空部分之中。
进一步地，所述限位件具有主体部分和限位部分，所述主体部分包括第一段和第二段，所述第一段的第一端可转动地设置在所述底座上，所述第一段的第二端连接至所述第二段的第一端，所述第二段的第二端连接至所述限位部分；所述第二段与所述限位部分构成限位区域。
进一步地，所述第二段为直线段，所述直线段和所述限位部分构成T字形结构。
进一步地，所述限位装置还包括第一弹性件，所述第一弹性件用于使所述限位件具有从所述限位状态向所述非限位状态切换的趋势。
进一步地，所述第一段的第一端通过第一转轴可转动地设置在所述底座上，所述第一弹性件为套设在所述第一转轴上的第一扭簧。
进一步地，所述定位件包括第一定位件，所述第一定位件的第一端可转动地设置在所述底座上，所述第一定位件的第二端为钩状结构，所述第一段具有中空部，所述钩状结构用于在所述限位件处于所述限位状态时穿过所述中空部并勾住所述第一段的第一侧。
进一步地，所述限位装置还包括第二弹性件，所述第二弹性件用于使所述第一定位件的第二端具有相对于所述底座向上运动的趋势。
进一步地，所述限位装置还包括踏板，所述踏板设置在所述第一定位件上，用于在外力的作用下使所述第一定位件的第二端能够相对于所述底座向下运动。
进一步地，所述第一定位件的第一端通过第二转轴可转动地设置在所述底座上，所述第二弹性件为套设在所述第二转轴上的第二扭簧。
进一步地，所述定位件包括第二定位件，所述第二定位件的第一端固定设置在所述底座上，所述第二定位件的第二端用于在所述限位件处于所述限位状态时抵靠所述第一段的第二侧；所述第一侧和所述第二侧为所述第一段的相对两侧。
应用本发明的技术方案，通过限位件实现了限位状态和非限位状态之间的切换，通过定位件实现了限位件的定位和解除定位，且在非限位状态下的限位件的至少一部分容纳在底座的中空部分内，能够很好地满足快速装载与固定要求。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1示出了根据本发明实施例的限位装置的结构示意图；
图2示出了根据本发明实施例的限位装置使用时的示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
为了解决现有技术中存在的问题，本发明提供了一种限位装置，包括底座和可转动地设置在所述底座上的限位件，所述限位装置还包括定位件，所述底座具有中空部分；所述限位件能够在限位状态和非限位状态之间切换，当所述限位件处于所述限位状态时，所述定位件定位所述限位件的位置；当所述限位件处于所述非限位状态时，所述定位件解除对所述限位件的定位，且所述限位件的至少一部分被容纳在所述中空部分之中。
应用本发明的技术方案，通过限位件实现了限位状态和非限位状态之间的切换，通过定位件实现了限位件的定位和解除定位，且在非限位状态下的限位件的至少一部分容纳在底座的中空部分内，能够很好地满足快速 装载与固定要求。
图1示出了根据本发明实施例的限位装置的结构示意图。图1示出了根据本发明实施例的限位装置的结构示意图，其中以剖视图的方式示出了限位件4的一部分，以便体现第一定位件3的结构。
如图1所示，在本发明的一个实施例中，该限位装置包括底座1和限位件4，所述限位件4可转动地设置在底座1上。底座1具有中空部分。例如，底座1可以是方形的框架结构，其左右两侧的侧板和前后两端的端板共同围成一个方向的框架结构，该框架结构的中间为中空部分。
需要说明的是，在图1中，所述前后方向是指货物运输过程中的前进和后退方向(即图2的左右方向)，所述左右方向以货物运输过程中的前进方向为基准(即图2的左方)。
并且，该限位装置还可以包括定位件。由于限位件4可转动地设置在底座1上，限位件4设置为能够在限位状态和非限位状态之间切换。当限位件4处于所述限位状态时，所述定位件定位限位件4的位置，使其保持在所述限位状态。当限位件4处于所述非限位状态时，所述定位件解除对限位件4的定位，且限位件4的至少一部分被容纳在所述中空部分之中。
进一步地，限位件4可以具有主体部分和限位部分。所述主体部分包括相互连接的第一段和第二段。所述第一段的第一端可转动地设置在底座1上，所述第一段的第二端连接至所述第二段的第一端，所述第二段的第二端连接至所述限位部分。
所述第二段与所述限位部分构成限位区域。从而，该限位区域可以将货物或货物的承载体(例如集装箱或集装板)的至少一部分限制在其中，从而实现其限位作用。优选地，所述第二段与所述限位部分的连接处的至少一部分可以构成直角的限位区域，从而有利于发挥该限位区域的限位作用。
所述第二段可以为直线段。所述直线段和所述限位部分可以构成T字形结构。由此，所述第二段和所述限位部分的连接处构成了两个直角的限位区域，从而能够同时对前后两侧的对象进行有效限位。
所述限位装置还可以包括第一弹性件，所述第一弹性件用于使限位件4 具有从所述限位状态向所述非限位状态切换的趋势。由此，在第一弹性件的弹性力的作用下，限位件4始终具有从直立的限位状态向倒伏的非限位状态翻转的趋势，一旦定位件解除对限位件4的定位，限位件4就可以自动翻转到非限位状态。
参照图1，限位件4的主体部分的第一段的第一端可以通过第一转轴2可转动地设置在底座1上。所述第一弹性件可以是套设在第一转轴2上的第一扭簧。当然，除了采用第一扭簧之外，第一弹性件还可以采用其它形式的弹簧，例如一端连接在底座1上、另一端连接在限位件4上的拉簧，也可以采用其它形式的具有弹性件的部件和/或机构。
如图1和2所示，所述定位件可以包括第一定位件3。第一定位件3的第一端可转动地设置在底座1上，第一定位件3的第二端为钩状结构。限位件4的主体部分的第一段具有中空部，所述钩状结构用于在限位件4处于所述限位状态时穿过所述中空部并勾住所述第一段的第一侧。
由此，当限位件4处于直立的限位状态时，第一定位件3的第二端穿过限位件4的主体部分的第一段上的中空部，并且第一定位件3的第二端的钩状结构勾住所述第一段的第一侧(即图2的右侧)，从而将限位件4定位在该限位状态。当限位件4需要从直立的限位状态翻转到倒伏的非限位状态时，可以首先使得所述钩状结构脱离所述第一段的第一侧并从所述中空部中退出，解除第一定位件3对限位件4的定位，从而限位件4可以顺利地翻转到非限位状态。
所述限位装置还包括可以第二弹性件，所述第二弹性件用于使第一定位件3的第二端具有相对于底座1向上运动的趋势。由此，在第二弹性件的弹性力的作用下，第一定位件3的第二端始终具有相对于底座1向上运动的趋势，一旦第一定位件3的第二端与限位件4的前述第一段配合之后，就可以借由所述第二弹性件的弹性力作用，使得第一定位件3能够保持对限位件4的可靠定位。
参照图2，第一定位件3的第一端通过第二转轴5可转动地设置在底座1上，所述第二弹性件为套设在第二转轴5上的第二扭簧。当然，除了采用第二扭簧之外，第二弹性件还可以采用其它形式的弹簧，例如，一端连接在 底座1上、另一端连接在第一定位件3上的弹簧，也可以采用其它形式的具有弹性件的部件和/或机构。
此外，如图1所示，所述限位装置还可以包括踏板6。踏板6设置在第一定位件3上，用于在外力的作用下使第一定位件3的第二端能够相对于底座1向下运动。例如，可以通过操作者的脚的踩踏，使得第一定位件3的第二端相对于底座1向下运动，同时限位件4向非限位状态翻转，解除第一定位件3对限位件4的定位。
如图2所示，所述定位件还可以包括第二定位件8。第二定位件8的第一端固定设置在底座1上，第二定位件8的第二端用于在限位件4处于所述限位状态时抵靠所述第一段的第二侧。所述第一侧和所述第二侧为所述第一段的相对两侧，即在图2中分别位于限位件4的主体部分的第一段的左右两侧。
优选地，如图1和2所示，限位件4的主体部分的第一段可以为弧形段。通过该结构，在设置有第二定位件8的情况下，第二定位件8可以在限位状态下抵靠该弧形段的第二侧，即抵靠一个弧形面，由此可以增加定位的稳定性。此外，通过将第一段设置为弧形段，可以在限位件4处于倒伏的非限位状态时，尽量减小整个限位装置的高度，便于货物或货物的承载体(例如集装箱或集装板)从限位装置的上方通过。
为了提高底座1的结构强度，如图1所示，可以在底座1的中空部分中设置补强板7。所述补强板的个数可以是一个或多个，根据实际需要而定。
底座1上可以设置用于固定自身的固定机构。所述固定机构可以包括安装沉台和设置在所述安装沉台上的螺栓孔。安装沉台可以保证螺栓安装在螺栓孔之后不高于底座1的上表面，避免与底座1上承载的物体发生干涉。
图2示出了根据本发明实施例的限位装置使用时的示意图。如图2所示，在前述限位装置的限位件4处于限位状态时，可以同时限位例如两个集装板9(其上可以放置有集装箱或其它货物)，此时，左边的集装板9的右端和右边的集装板9的左端分别进入前述T字形结构的两个限位区域，从而实现了集装板9的的限位。
结合图1和图2，当两个集装板9被移走，前述限位装置的限位件4需要切换到非限位状态时，操作者可以用脚踩踏踏板6，从而克服第二弹性件的 弹性力作用，使得第一定位件3的第二端向下运动，同时限位件4在第一弹性件或手动作用力的作用下向非限位状态翻转，解除了第一定位件3对限位件4的定位，限位件4继续翻转，直至它的至少一部分被容纳在底座1的中空部分中。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：结构简单，使用和维护方便；具有较高的承载能力，满足限位和承载要求；在非限位状态下倒伏，便于集装单元的搬运；翻起后固定到位，限位作用可靠有效；解锁操作方便，能有效提高工作效率，能大幅提高货物的装卸速度，降低时间成本。
并且，本发明提供的限位锁装置可以为集装单元在货舱内实现三个目的：一、为集装单元(货物)提供固定位置处的纵向限位，当承受车辆运行方向不小于5g过载冲击，该装置不产生失效，同时兼顾考虑轻量化设计；二、当货物沿货舱长度方向运输时，该限位装置可实现翻下倒伏，方便货物从其上运输；三、该限位装置的操作可实现灵活、可靠地闭锁和解锁。
本发明提供的限位装置适用于一般的货运运输，特别适用于货运动车组的货运运输，尤其适用于限位和固定其上放置有集装箱或其它货物的集装板，从而实现货物的迅速装卸。
前面根据实施例描述了本发明的限位装置，但该限位装置并不仅限于该实施例中所述的部件和/或连接关系。例如，底座并不限于矩形的框架结构；限位件和定位件的结构及其设置方式不限于实施例所述结构及其设置方式，只要限位件能够在限位/非限位状态之间翻转切换，且定位件能够对限位件进行定位/解除定位；第一弹性件和第二弹性件不限于扭簧，可以是各种各样能够提供所需弹性作用力的机构/部件。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种限位装置，包括底座和可转动地设置在所述底座上的限位件，其特征在于，所述限位装置还包括定位件，所述底座具有中空部分；所述限位件能够在限位状态和非限位状态之间切换，当所述限位件处于所述限位状态时，所述定位件定位所述限位件的位置；当所述限位件处于所述非限位状态时，所述定位件解除对所述限位件的定位，且所述限位件的至少一部分被容纳在所述中空部分之中。
  2. 根据权利要求1所述的限位装置，其特征在于，所述限位件具有主体部分和限位部分，所述主体部分包括第一段和第二段，所述第一段的第一端可转动地设置在所述底座上，所述第一段的第二端连接至所述第二段的第一端，所述第二段的第二端连接至所述限位部分；所述第二段与所述限位部分构成限位区域。
  3. 根据权利要求2所述的限位装置，其特征在于，所述第二段为直线段，所述直线段和所述限位部分构成T字形结构。
  4. 根据权利要求2所述的限位装置，其特征在于，所述限位装置还包括第一弹性件，所述第一弹性件用于使所述限位件具有从所述限位状态向所述非限位状态切换的趋势。
  5. 根据权利要求4所述的限位装置，其特征在于，所述第一段的第一端通过第一转轴可转动地设置在所述底座上，所述第一弹性件为套设在所述第一转轴上的第一扭簧。
  6. 根据权利要求2至5中任一项所述的限位装置，其特征在于，所述定位件包括第一定位件，所述第一定位件的第一端可转动地设置在所述底座上，所述第一定位件的第二端为钩状结构，所述第一段具有中空部，所述钩状结构用于在所述限位件处于所述限位状态时穿过所述中空部并勾住所述第一段的第一侧。
  7. 根据权利要求6所述的限位装置，其特征在于，所述限位装置还包括第二弹性件，所述第二弹性件用于使所述第一定位件的第二端具有相对于所述底座向上运动的趋势。
  8. 根据权利要求7所述的限位装置，其特征在于，所述限位装置还包括踏板，所述踏板设置在所述第一定位件上，用于在外力的作用下使所述第一定位件的第二端能够相对于所述底座向下运动。
  9. 根据权利要求7所述的限位装置，其特征在于，所述第一定位件的第一端通过第二转轴可转动地设置在所述底座上，所述第二弹性件为套设在所述第二转轴上的第二扭簧。
  10. 根据权利要求6所述的限位装置，其特征在于，所述定位件包括第二定位件，所述第二定位件的第一端固定设置在所述底座上，所述第二定位件的第二端用于在所述限位件处于所述限位状态时抵靠所述第一段的第二侧；所述第一侧和所述第二侧为所述第一段的相对两侧。
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