CN110871829B - 用于卷盘的推车 - Google Patents
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Abstract
一种用于运输一个或多个如电缆卷盘等卷盘的推车,该推车包括:主车架,至少一个轮子安装于该主车架,该主车架包括上部部分和底座部分,该上部部分和该底座部分经由铰接连接来进行连接;以及挂架部分,该挂架部分铰接地联接至主车架,该挂架部分包括至少一个卷盘支撑臂,该至少一个卷盘支撑臂被配置成在其上接纳卷盘,其中,该推车能够在用于推车存放的折叠构型与用于卷盘运输的展开构型之间进行调整。
Description
技术领域
本发明涉及一种用于运输如电缆卷盘等卷盘的推车。
背景技术
为了有助于在短距离上对大型、笨重和/或重型物品进行人力运输,经常使用手推车。虽然手推车对于已包装的或已装箱的负载可能是有效的,但是手推车通常不适合于如电缆的卷盘等形状较奇怪的物品。
电缆的卷盘是沉重的并且单个人难以搬运。当使用传统手推车时,通常需要另外捆扎。这种捆扎可以限制触及所装载的卷盘,并且可以例如防止容易开卷(de-reeling),除非从推车上完全卸下卷盘。
除非出现相反的指示,否则本文对已知现有技术的任何引用都不构成对于以下情况的认同:在本申请的优先权日,此类现有技术是本发明相关领域的技术人员所公知的。
发明内容
本发明以一种宽泛的形式提供了一种用于运输一个或多个如电缆卷盘等卷盘的推车,该推车包括:主车架,至少一个轮子安装于该主车架,该主车架包括上部部分和底座部分,该上部部分和该底座部分经由铰接连接来进行连接;以及挂架部分,该挂架部分铰接地联接至主车架,该挂架部分包括至少一个卷盘支撑臂,该至少一个卷盘支撑臂被配置成在其上接纳卷盘,其中,该推车能够在用于推车存放的折叠构型与用于卷盘运输的展开构型之间进行调整。
在一种形式中,该挂架部分铰接地联接至该主车架的底座部分。
在一种形式中,在该折叠构型中,该推车基本上是平的。
在一种形式中,该挂架部分包括柱,从该柱上悬伸出一个或多个卷盘支撑臂。在一种形式中,这个或这些悬伸的卷盘支撑臂的远端是弯曲的,以便有助于使卷盘保持装载在卷盘支撑臂上。在一种形式中,在该展开构型中,卷盘支撑臂的远端在基本上朝上的方向上延伸。
在一种形式中,该挂架部分的底端铰接地联接至该主车架的底座部分,并且该挂架部分的顶端能释放地紧固至该主车架的上部部分。
在一种形式中,当该挂架部分的顶端紧固至该上部部分时,该推车保持处于该展开构型。
在一种形式中,必须从该上部部分释放该挂架部分的顶端,以允许该推车从该展开构型运动成该折叠构型。
在一种形式中,在该展开构型中,该推车具有基本上三角形的结构,该底座部分和该上部部分被定位成使得该主车架具有基本上L形的形状,并且该挂架部分从该底座部分的远端延伸至在该上部部分的顶端处的区域。
在一种形式中,该一个或多个轮子能释放地安装至该底座部分的后端,该上部部分在该后端处连接至该底座部分。
在一种形式中,该底座部分的前端包括腿部,以帮助调平该底座部分。
在一种形式中,该推车是手推车,并且该上部部分包括把手部分。
附图说明
下面将参考附图中的各图,仅通过举例的方式,对优选实施例进行详细描述,在附图中:
图1是根据本发明一个实例的推车的透视图;
图2是图1的推车的左侧视图;
图3是图1的推车的前视图;
图4是图1的推车的右侧视图;
图5A是图1的主车架与挂架部分之间铰接连接的放大侧视图;
图5B是沿着截面线A-A截取的图5A的截面视图;
图6A是被安装到图1的推车的主车架上的轮子的放大侧视图;
图6B是沿着截面线C-C截取的图6A的截面视图;
图7A是根据图1的推车的挂架部分的顶端与主车架之间的可释放连接点的放大前视图;
图7B是沿着截面线B-B截取的图7A的截面侧视图;
图8是图1的推车的主车架的上部部分的透视图;
图9是图1的推车的主车架的底座部分的透视图;
图10是图1的推车的主车架的底座部分的侧视图;
图11是图1的推车的储物箱的透视图;
图12是图1的推车的挂架部分的透视图;
图13是处于折叠构型的图1的推车的后视图;
图14是处于折叠构型的图1的推车的后透视图;
图15是处于折叠构型的图1的推车的侧视图;
图16是处于折叠构型的图1的推车的仰视图;
图17是根据本发明一个实例的具有三轮附件和螺纹旋钮锁定机构的推车的侧视图;
图18是图17的推车的透视图;
图19是图17的推车的后视图;
图20是锁定旋钮与挂架部分的顶端之间螺纹接合部的放大视图;并且
图21是螺纹锁定旋钮的实例的透视图。
具体实施方式
本发明的实施例提供了一种用于运输一个或多个如电缆卷盘等卷盘的推车。该推车包括安装有轮子的主车架,该主车架具有上部部分和底座部分。上部部分和底座部分经由铰接连接来进行连接。
此外,挂架部分铰接地联接至主车架,该挂架部分包括至少一个卷盘支撑臂,该至少一个卷盘支撑臂被配置成在其上接纳卷盘。借助于上部部分与底座部分之间以及主车架与挂架部分之间的铰接联接部,推车可在用于存放的折叠构型与用于对卷盘进行运输、支撑和/或开卷的展开构型之间进行调整。一般而言,挂架部分铰接地联接至主车架的底座部分。尽管如此,可以理解的是,在其他形式中挂架部分可以铰接至主车架的其他部分,例如上部部分。通常,在任一种情况下,在折叠构型中,推车基本上是平的,其中,底座部分和挂架是与上部部分对齐的和/或靠在上部部分上。这样提供了更紧凑的推车构型,从而有助于推车的存放。
一般而言,挂架部分包括柱,从该柱上悬伸出一个或多个卷盘支撑臂。这个或这些悬伸的卷盘支撑臂的远端通常是弯曲的(或成角度的),以便于有助于使卷盘保持安装在其上。一般而言,参考展开构型,卷盘支撑臂的远端在朝上的方向上延伸。
一般而言,挂架部分在其底端处铰接地联接至主车架的底座部分,并且挂架部分在其顶端处可释放地紧固至主车架的上部部分。
当挂架部分的顶端紧固至上部部分时,推车保持处于展开构型。通常,挂架部分的顶端必须从上部部分释放,以允许推车从展开构型运动成折叠构型。
在展开构型中,推车通常具有基本上三角形的结构,底座部分和上部部分被定位成使得主车架具有基本上L形的形状,并且挂架部分从底座部分的远端延伸至上部部分的顶端处的区域。
通常,本文所述的推车是手推车,其上部部分包括把手部分,操作者可以经由该把手部分来操纵推车。然而,应当理解的是,在一些形式中,本文所述的推车可以不是人力的,而是可以包括电力系统,例如可以是电动的,并且可以是例如远程操作的。
一般而言,推车的轮子被安装至主车架的底座部分。通常,类似于传统的手推车,轮子被安装至底座部分的后端(或近端),即安装有上部部分的同一端。在相反的前端(或远端),底座部分可以包括腿部,这些腿部被配置成接合地面并且保持底座部分是基本上水平的(即,用以抵消由轮子在后端处提供的高度)。
当实施为手推车时,应当理解的是,本文所述的推车可以类似于传统的手推车来进行操纵。例如,一旦处于展开构型,本文所述的推车可以倾斜而使得底座部分抬升离开推车所在的地面(或表面),并且沿着该地面(或表面)滚动以将卷盘从一个位置运输到另一位置。而且,推车可以被定向成使得底座部分与地面(或表面)接触,以便在没有人为干预的情况下将其上装载的卷盘支撑(或固持)在静止位置。从该静止位置,电缆等可以从卷盘上开卷。
尽管如本文所述的推车被描述为通常用于运输电缆等的卷盘,但是应当理解,这些推车可以用于运输任何种类材料的卷盘或卷盘状(或卷盘形)的物体。
图1至图15示出了根据本发明的推车在实施为手推车时的一种示例形式。手推车1包括安装有轮子的主车架2以及用于将电缆卷盘50装载在其上的挂架部分3。手推车1可在用于对电缆卷盘进行运输、支撑和/或开卷的展开构型与使得手推车可以变得紧凑以便于存放的折叠构型之间进行调整。在图1至图4中最清楚地示出了展开构型,而在图13至图16中最清楚地示出了折叠构型。
主车架2包括底座部分4以及包括把手部分5b的上部部分5。上部部分5具有基本上U形的外形,其腿部5a在底座部分4的后端(或近端)4a处铰接地连接至板18。将螺栓6插入穿过板18和腿部5a中的对应的孔以提供铰接连接。铰接连接允许主车架2的折叠,使得底座部分4可以与上部部分5对齐。
另外,挂架部分3铰接地连接至底座部分4的前端(或远端)4b,使得在底座部分4抵靠上部部分5折叠时,挂架部分3与底座部分4之间的角可以被拉直,并且挂架部分3也可以基本上平靠在上部部分5上。因此,如图13至图16所示,在折叠构型中,手推车1基本上是平的。
在图5A和图5B中详细示出了主车架2的挂架部分3与底座部分4之间的铰接连接。挂架部分3的管(或杆)连接件14松动地螺栓连接在底座部分4的安装板15之间以提供铰接连接。
挂架部分3的顶端3a可释放地紧固(或锁定)至上部部分5的顶部处的横档7上。横档7具有基本上C形的横截面,挂架部分的顶端3a被接纳在横档7的顶部凸缘与底部凸缘之间(例如,参见图7B)。在使用中,一旦将推车1打开,挂架部分3的顶端3a抵靠横档7放置并且可释放地紧固至该横档。在这个实例中,这是使用防卢斯(antiluce)锁定机构11(参见图7B)来实现的。挂架部分3的顶端3a的锁定使推车1保持处于展开构型,并且还防止挂架部分3的顶端3a在开卷期间与横档7分离。为了进行推车的折叠,首先使挂架部分3的顶端3a与横档7脱离接合。
应当理解的是,在替代形式中,可以使用除了防卢斯锁定机构之外的锁定机构将挂架部分的顶端3a可释放地紧固至横档7。例如,如图17至图19的实施例中所示并且如在图20和图21中详细示出的,可以使用螺纹锁定旋钮27。螺纹锁定旋钮27插入穿过横档7a以螺纹接合到挂架部分3的顶端3a。通常,为了避免螺纹锁定旋钮27丢失,在从挂架部分3的顶端3a旋开之后不需要将螺纹锁定旋钮与横档7a完全脱离接合(或取下)。螺纹锁定旋钮27通常保持在主车架2中。在图20的实施例中,横档7a与图1的实施例的横档7(即如图7B所示)略有不同。横档7a是基本上矩形的管,而不具有C形横截面。应当理解的是,横档可以采取多种不同的形式。
如图所示,挂架部分3包括中心柱8,从该中心柱悬伸出多个卷盘支撑臂9。应当理解的是,在装载期间,卷盘支撑臂9被接纳而穿过卷盘50的中心。在卷盘支撑臂9周围松散地接纳卷盘50,以便允许卷盘旋转(即用于电缆的开卷)。中心柱8在挂架部分的底端3b处从管(或杆)连接件14延伸,以最终形成挂架部分3的顶端3a。卷盘支撑臂9具有上翻端10,以帮助阻止卷盘支撑臂9上所装载的卷盘50无意中掉落。
手推车1的轮子12被安装至主车架2的底座部分4的近端(或后端)4a。如图6B所示,轮子12被安装至底座部分4的轴部16。用于加商标等的轮盖17被固定至轴部16的端部。在底座部分4的远端(或前端)4b处,设有支撑腿部13以在推车处于静止的开卷位置时有助于底座部分4的调平。在腿部13的底面处包括抓持表面(例如橡胶端盖等)以有助于抓持地面(或表面),以便基本上防止推车在电缆开卷期间无意中移动。应当理解的是,在卷盘50的运输期间,使推车1倾斜,并且使底座部分4的支撑腿部13从地面(或表面)抬升。
不同的轮子附件(或套件)可以与推车1一起使用。在图17至图19中,示出了三轮附件30,其使得推车更容易爬楼梯。三轮附件30连接至底座部分,使得其允许整个附件相对于主车架2旋转。这样允许与地面(或楼梯表面)接合的三轮附件的轮子在推车被引导上下楼梯时进行交替。应当理解的是,单轮附件、三轮附件或其他轮子附件可以互换地与推车1一起使用(即轮子附件通常可释放地附接至推车)。
将工具箱(储物箱或容器)20紧固至上部部分50以允许储存工具或其他物品。工具箱可以是可取下的,以便于有助于将工具等运输到其他位置。
手推车1的典型用途如下。推车1可以解除存放并被打开。然后可以将挂架部分3的顶端3a紧固(或锁定)至横档7以保持处于展开构型。然后可以将电缆卷盘50装载到卷盘支撑臂9上,并且通过推动推车而将电缆卷盘50运输到多个不同的位置。由于需要电缆,可以将推车1定向成处于底座部分4的腿部13与地面接触的直立位置。然后可以根据需要将电缆开卷,而不必从卷盘支撑臂9上取下卷盘50。可以将剪刀和其他工具储存在工具箱20中并且用于切断已开卷的电缆。在布线任务完成后,可以从卷盘支撑臂9上卸下卷盘50,然后使推车返回(或折叠)成更紧凑的扁平构型以便于存放。
应当理解的,与传统的手推车相比,本文描述的推车具有显著的用于运输卷盘的优势。具体地,支撑臂被配置成使得卷盘能够以有序且安全的方式装载,并且以不必从推车卸载卷盘即可允许开卷的方式卸载。此外,为了存放,手推车可以方便地折叠成紧凑的基本上扁平的构型。
无论在哪里使用,词语“包含”都应以其“开放性”意义来理解(即以“包括”的意义来理解),并且因此不限于其“封闭性”意义(即“仅由……组成”的意义)。相应的含义应归于它们出现在其中的相应词语“包括(comprise)”、“被包括(comprised)”和“包含(comprises)”。
应当理解,本文所披露和限定的本发明扩展至所提及的或文本中显而易见的两个或更多个单独特征的所有替代性组合。所有这些不同组合构成本发明的多种不同的替代性方面。
虽然已经描述了本发明的特定实施例,但是对于本领域技术人员来说显而易见的是,在不脱离本发明的基本特征的情况下,本发明可以体现为其他特定形式。因此,本实施例和实例在所有方面都应被认为是说明性的而非限制性的,并且对于本领域技术人员而言显而易见的所有修改因此都应包含在本文中。
Claims (12)
1.一种用于运输一个或多个卷盘的推车,所述推车包括:
主车架,至少一个轮子安装于所述主车架,所述主车架包括上部部分和底座部分,所述上部部分和所述底座部分经由铰接连接来进行连接;以及
挂架部分,所述挂架部分铰接地联接至所述主车架的底座部分,所述挂架部分包括至少一个卷盘支撑臂,所述至少一个卷盘支撑臂被配置成在其上接纳卷盘,
其中,所述推车能够在用于推车存放的折叠构型与用于卷盘运输的展开构型之间进行调整,并且
所述底座部分的前端包括腿部,以帮助调平所述底座部分。
2.如权利要求1所述的推车,其中,在所述折叠构型中,所述推车基本上是平的。
3.如权利要求1至2中任一项所述的推车,其中,所述挂架部分包括柱,从所述柱上悬伸出一个或多个卷盘支撑臂。
4.如权利要求3所述的推车,其中,悬伸的所述一个或多个卷盘支撑臂的远端是弯曲的,以便有助于使卷盘保持装载在所述一个或多个卷盘支撑臂上。
5.如权利要求4所述的推车,其中,在所述展开构型中,所述一个或多个卷盘支撑臂的远端在基本上朝上的方向上延伸。
6.如权利要求1所述的推车,其中,所述挂架部分的底端铰接地联接至所述主车架的所述底座部分,并且所述挂架部分的顶端能释放地紧固至所述主车架的所述上部部分。
7.如权利要求6所述的推车,其中,当所述挂架部分的顶端紧固至所述上部部分时,所述推车保持处于所述展开构型。
8.如权利要求6或7所述的推车,其中,必须从所述上部部分释放所述挂架部分的顶端,以允许所述推车从所述展开构型运动成所述折叠构型。
9.如权利要求1或2所述的推车,其中,在所述展开构型中,所述推车具有基本上三角形的结构,所述底座部分和所述上部部分被定位成使得所述主车架具有基本上L形的形状,并且所述挂架部分从所述底座部分的远端延伸至在所述上部部分的顶端处的区域。
10.如权利要求1或2所述的推车,其中,所述至少一个轮子能释放地安装至所述底座部分的后端,所述上部部分连接至所述底座部分的所述后端。
11.如权利要求1或2所述的推车,其中,所述推车是手推车,并且所述上部部分包括把手部分。
12.如权利要求1所述的推车,其中,所述卷盘为电缆卷盘。
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