WO2009003416A1 - A driving cab structure for working machine - Google Patents

A driving cab structure for working machine Download PDF

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Publication number
WO2009003416A1
WO2009003416A1 PCT/CN2008/071524 CN2008071524W WO2009003416A1 WO 2009003416 A1 WO2009003416 A1 WO 2009003416A1 CN 2008071524 W CN2008071524 W CN 2008071524W WO 2009003416 A1 WO2009003416 A1 WO 2009003416A1
Authority
WO
WIPO (PCT)
Prior art keywords
cab structure
shaped
column
structure according
cab
Prior art date
Application number
PCT/CN2008/071524
Other languages
English (en)
French (fr)
Inventor
Malcolm Kinsinger
Yuting Li
Yuzhe Hu
Original Assignee
Caterpillar Inc.
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
Application filed by Caterpillar Inc. filed Critical Caterpillar Inc.
Priority to RU2010103681/11A priority Critical patent/RU2468955C2/ru
Publication of WO2009003416A1 publication Critical patent/WO2009003416A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/0617—Drivers' cabs for tractors or off-the-road vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
    • B66C13/54—Operator's stands or cabins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/163—Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS]

Definitions

  • the present invention relates to a cab structure for a work machine. Background technique
  • the cab reinforcement structure is used to protect the operator in the cab of the work machine from injury when the work machine is in an emergency.
  • a structure is typically a frame that is placed around the operator by various interconnected support members.
  • the currently known cab reinforcement structure is typically constructed of four uprights and beams attached thereto.
  • the existing cab reinforcement structure usually has more beams between the columns to make the cab reinforcement structure have sufficient impact resistance.
  • such a cab has a complicated structure and requires more materials, has a higher cost, and is less resistant to external impact.
  • CN 1775607A discloses a reinforced cab reinforcement device in which four pillars of front, rear, left and right are provided, which are connected by beams only at the ends.
  • a composite beam is also provided at the upper and lower ends of the column. The cost and resistance to external impact of such cab reinforcements are still not ideal.
  • the present invention provides a cab structure for a work machine, the cab structure including a substrate and a column, the column including at least a first column, a second column, a third column, and a fourth column, the lower portion of the column Connected to the substrate, the upper portions of the pillars are connected to each other by a beam member, thereby defining a frame structure, wherein the beam members connecting the first column and the second column comprise a first beam and a connecting beam, the connecting beam ends The outer portions of the first and second columns are fixedly connected, and the other end is fixedly connected to the first beam, and a support plate is connected between the first beam and the first and second columns.
  • the first beam is on the first and second columns
  • the outer side extends substantially along the connecting direction of the first and second columns, and the first beam and the connecting beam are both U-shaped beams.
  • the outer side refers to the outer side of the frame structure defined by the uprights.
  • the column is preferably a square tube.
  • the cab structure can disperse the impact force symmetrically along the entire structure, and the cab structure is easy to manufacture, uses less material, and has a strong Practicality.
  • the beam members connecting the third and fourth columns opposite the U-shaped first beam are also U-shaped beams.
  • the first beam and the U-shaped beam member are arranged with their U-shaped openings up or down, and the U-shaped connecting beams are arranged with their U-shaped openings facing the first or second column or Facing the first beam.
  • the U-shaped bottom of the connecting beam is connected to the U-shaped outer side wall of the first beam, and the U-shaped top of the connecting beam is connected to the corresponding first or second column.
  • the U-shaped connecting beam forms a stable and impact resistant tubular connecting beam with less material.
  • a reinforcing member in the U-shaped groove of the first U-shaped beam, is provided at a position corresponding to the connection portion of the first beam and the support plate or the connecting beam.
  • the reinforcing member includes reinforcing ribs disposed perpendicular to the U-shaped groove of the first beam, and may further include a reinforcing plate connected to a side surface and a bottom surface of the U-shaped groove of the first beam.
  • the bottom surface refers to the inner side of the bottom of the U-shaped groove of the first beam
  • the side surface refers to the inner wall of the first beam perpendicular to the bottom surface thereof.
  • the reinforcing plate without providing reinforcing ribs.
  • the reinforcing rib is connected to the central portion of the reinforcing plate to form a substantially T-shaped reinforcing structure. Since these locations are typically subjected to large force loads, the stiffeners are provided to locally reinforce these locations to ensure the overall strength of the entire cab structure with minimal material.
  • the cross section of the first beam ie, the U-shaped cross-sectional width
  • the cross section of the first beam is made larger than the cross-section of the u-shaped beam members connecting the third and fourth columns.
  • the gussets may be provided at the joint portion of the pillar and the beam member and the joint portion between the pillar and the substrate as in the prior art, thereby increasing the joint strength to ensure the formation of a firm frame.
  • FIG. 1 shows a front perspective view of a preferred embodiment of a cab structure in accordance with the present invention
  • Figure 2 shows a rear perspective view of another preferred embodiment of a cab structure in accordance with the present invention. detailed description
  • the upstream of the direction indicated by the arrow A in Fig. 1 is referred to as “front”, and the downstream of the direction indicated by the arrow is referred to as “rear”.
  • the cab structure for a work machine is mainly composed of a substrate 1, four columns 21, 22, 23, 24 connected to the substrate 1, and beam members 3, 4, 7, and 8 connecting the columns.
  • the four columns 21, 22, 23, 24 are square tubes, the lower ends of which are fixedly connected to the substrate 1, and the upper portions thereof are respectively connected by the beam members 3, 4, 7, and 8, thereby A frame structure is defined.
  • the first upright 21 and the second upright 22 at the rear are connected by the beam member 3, and the third upright 23 and the fourth upright 24 at the front pass through the beam member 4 Connected, and the first upright 21 and the third upright 23 are connected by a beam member 7, and the second upright 22 and the fourth upright 24 are connected by a beam member 8.
  • gussets are connected between the lower ends of the columns 21, 22, 23, 24, and likewise, between the beam members 4 and the third and fourth columns 23, 24 connected to the eye, and the beam members 7 A gusset is also connected between the first and third columns 21, 23 connected thereto and between the beam member 8 and the second and fourth columns 22, 24 connected thereto to increase the joint strength. , to ensure a strong frame.
  • the beam members 7, 8 connecting the columns on both sides are made of, for example, a square tube profile, and the beam members 3 of the first and second columns 21, 22 are joined at the rear.
  • the beam member 4 connecting the third and fourth columns 23, 24 at the front is made of a U-shaped profile.
  • the beam member 3 connecting the first and second columns 21, 22 includes a first beam 31 and two connecting beams 32, 33, wherein the first beam 31 is in the phase of the first and second columns 21, 22
  • the beam member 3 connecting the first and second columns 21, 22 includes a first beam 31 and two connecting beams 32, 33, wherein the first beam 31 is in the phase of the first and second columns 21, 22
  • the two connecting beams 32, 33 are respectively connected to the outer side of the first or second column, and the other ends are respectively connected To the first beam 31.
  • the first beam 31, the connecting beams 32, 33 and the front beam members 4 opposite the first beam 31 are U-shaped beams.
  • the U-shaped first beam 31 and the beam member 4 are arranged such that their U-shaped openings are upwards or downwards (upward in the figure)
  • the two connecting beams 32, 33 are arranged such that their U-shaped openings face One or two columns or toward the first beam 31, in the figure facing the first or second column, such that the U-shaped bottoms of the two connecting beams 32, 33 are connected to the outer side walls of the first beam 31,
  • the tops of the connecting beams 32, 33 opposite their U-shaped bottoms are respectively connected to the corresponding first or second uprights.
  • the two U-shaped connecting beams 32, 33 connected between the columns 21, 22 and the first beam 31 form a structurally stable and impact-resistant tubular connecting beam with less material.
  • support plates 51, 52 are provided between the first and second columns 21, 22 and the beam member 3 to effect absorption or slowing of the impact together with the beam members.
  • the support plate 51 is connected to the first column 21 at the end, and the other end is connected to the first beam 31 of the beam member 3; likewise, the two ends of the support plate 52 are respectively connected to the second column 22 And the first beam 31.
  • the support plates 51, 52 are typically made of sheet steel and are larger in size and strength than the gussets in the cab structure to increase the strength of the joint.
  • a cab structure that protects the operator from being placed on the work machine is formed.
  • the cab is structurally strong and resistant to impact, especially when there is an emergency such as an accident or an external force that causes the vehicle to roll, the cab will not be deformed, thus ensuring the safety of the driver. Therefore, the cab structure forms a good protection for the driver and greatly enhances the driving safety of the working machine.
  • connection portion of the first beam 31 and the support plates 51, 52 is generally subjected to a large force load, in the U-shaped groove of the first beam 31, the first beam 31 and the support plates 51, 52 Reinforcing ribs 61, 62 are provided at corresponding locations of the joints to locally enhance the strength of the cab structure.
  • the reinforcing ribs 61, 62 project upward from the bottom of the U-shaped groove of the first beam 31, and their ends are respectively connected to the opposite inner side walls of the U-shaped groove. In this way, By improving the local stress, the reinforcing ribs 61, 62 increase the strength of the first beam 31 as a whole.
  • FIG. 1 is a rear perspective view showing another preferred embodiment of a cab structure for a work machine according to the present invention, wherein the same components as those of the embodiment shown in Figure 1 are designated by the same reference numerals.
  • the preferred embodiment differs from the embodiment shown in FIG. 1 only in that: in the U-shaped groove of the first beam 31, an oblique connection is provided on the inner side of the first beam 31.
  • Reinforcing plates (usually steel plates) 63, 64 on the wall, and one end of the reinforcing ribs 61, 62 is connected to the inner side wall of the U-shaped groove of the first beam 31, and the other end is connected to the reinforcing plates 63, 64.
  • the middle portion thereby forming a substantially T-shaped reinforcing structure.
  • the portion of the first beam 31 that is heavily loaded is reinforced, i.e., the portion that is connected to the support plate or the connecting beam is reinforced, thereby assuring the strength of the truss 31 as a whole.
  • the U-shaped cross-sectional width of the first beam 31 at the rear portion is made larger than the U-shaped cross-sectional width of the U-shaped beam member 4 at the front portion.
  • This achieves a rational distribution of the material for the force of the cab structure, thereby optimizing the material and protection properties of the cab structure.
  • a reinforcement can also be provided on the column to increase the strength of the cab structure.
  • connections described above are typically welded, but other connections such as riveting, bolting, etc. may be used.
  • the invention has been described above in connection with a cab structure embodiment having four uprights, the number of uprights is not limited to four.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Component Parts Of Construction Machinery (AREA)

Description

用于作业机械的驾驶室结构
技术领域
本发明涉及一种用于作业机械的驾驶室结构。 背景技术
驾驶室加强结构用于当作业机械出现紧急状况时保护该作业机械驾驶 室内的操作人员免受伤害。 这种结构通常为由各种相互连接的支承构件制 成的围绕操作人员设置的框架。 目前已知的驾驶室加强结构通常由四个立 柱以及与之相连的横梁构成。 为实现防护功能， 现有驾驶室加强结构通常 在立柱之间设置较多的横梁， 以使该驾驶室加强结构具有足够的抗沖击能 力。 但这种驾驶室加强结构复杂且需要较多的材料， 成本较高， 并且抗外 力冲击能力较弱。
CN 1775607A公开了一种加强型驾驶室加强装置， 其中设有前、 后、 左、 右四个立柱， 所述立柱仅在端部处通过横梁连接。 然而， 在该驾驶室 加强装置中，为保证足够的抗冲击能力，在立柱的上下端还设置有复合梁。 这种驾驶室加强装置的成本和抗外力冲击能力仍然不够理想。
因此， 需要一种结构简单、 用料较少， 同时结构坚固并且抗外力冲力 能力强的驾驶室结构。 发明内容
本发明提供了一种用于作业机械的驾驶室结构， 该驾驶室结构包括基 板和立柱， 所述立柱包括至少第一立柱、 第二立柱、 第三立柱和第四立柱， 所述立柱的下部连接到基板， 所述立柱的上部通过横梁构件彼此连接， 由 此限定一框架结构， 其中， 连接第一立柱和第二立柱的横梁构件包括第一 横梁和连接横梁， 所述连接横梁一端与所述第一和第二立柱的外侧部固定 连接， 另一端与所述第一横梁固定连接， 所述第一横梁与所述第一和第二 立柱之间连接有支撑板。 根据本发明， 第一横梁在所述第一和第二立柱的 外侧并大致沿所述第一和第二立柱的连接方向延伸， 并且所述第一横梁和 所述连接横梁均为 U形梁。 应当指出， 所述外侧是指由立柱所限定的框架 结构的外侧。 所述立柱优选为方管。
因此， 由于第一横梁、 连接横梁以及支撑板的设置， 这种驾驶室结构 能使受到的冲击力沿整个结构对称地分散， 并且该驾驶室结构易于制造、 用料较少， 具有很强的实用性。
为了能将冲击力合理分散， 与 U形的第一横梁相对的、 连接第三和第 四立柱的横梁构件也为 U形梁。有利地，将第一横梁和该 U形的横梁构件 设置成其 U形开口向上或向下， 而将所述 U形的连接横梁设置成其 U形 开口朝向所述第一或第二立柱或者朝向所述第一横梁。 这样， 所述连接横 梁的 U形底部与第一横梁的 U形外侧壁相连， 而连接横梁的 U形顶部连 接在相应的第一或第二立柱上。 在这种布置下， 所述 U形连接横梁以较少 的材料形成稳定且耐冲击的管形连接梁。
根据一种有利形式，在所述第一 U形梁的 U形槽内，在与该第一横梁 和所述支撑板或连接横梁的连接部相对应的位置设有加强件。 具体地， 所 述加强件包括垂直于所述第一横梁的 U形槽设置的加强肋， 还可包括与所 述第一横梁的 U形槽的一侧面和底面相连的加强板。 应当指出， 所述底面 是指该第一横梁的 U形槽的底部内侧， 所述侧面是指该第一横梁的与其底 面垂直的内壁。 此外， 也可仅设置所述加强板， 而不设置加强肋。 在同时 设置加强板和加强肋的情况下， 所述加强肋连接到加强板的中部以形成大 致为 T形的增强结构。 由于这些部位通常会受到较大的力载荷， 因此设置 加强件局部增强这些部位， 从而以最少的材料保证整个驾驶室结构的整体 强度。
优选地， 使所述第一横梁的横截面（即 U形横截面宽度）大于所述连 接第三和第四立柱的 u形的横梁构件的横截面。 这可使驾驶室结构在节省 材料和保证抗冲击能力方面得到最优化。 此外， 可在立柱与横梁构件的连 接部以及立柱与基板的连接部分别如现有技术那样设置角撑板， 从而增大 连接强度以确保形成牢固的框架。 附图说明
下面将参照附图通过优选实施例详细说明本发明， 在附图中： 图 1示出根据本发明的驾驶室结构优选实施例的前透视图；
图 2示出根据本发明的驾驶室结构另一优选实施例的后透视图。 具体实施方式
在本发明的说明中， 图 1中的箭头 A所示方向的上游称为 "前部" ， 而该箭头所示方向的下游称为 "后部" 。
参见图 1， 用于作业机械的驾驶室结构主要由基板 1、 连接在基板 1 上的四个立柱 21、 22、 23、 24以及连接所述立柱的横梁构件 3、 4、 7、 8 构成。 从图中可以看出， 所述四个立柱 21、 22、 23、 24均为方管， 其下端 固定连接在基板 1上， 其上部分别通过横梁构件 3、 4、 7、 8连接， 由此限 定一框架结构。
具体地，在如图所示的四个立柱中，位于后部的第一立柱 21和第二立 柱 22通过横梁构件 3连接，位于前部的第三立柱 23和第四立柱 24通过横 梁构件 4连接， 并且第一立柱 21和第三立柱 23通过横梁构件 7连接， 第 二立柱 22和第四立柱 24通过横梁构件 8连接。
此外， 在立柱 21、 22、 23、 24的下端与 之间连接有角撑板， 同 样， 在横梁构件 4和与 · 目连的第三和第四立柱 23、 24之间、在横梁构件 7和与之相连的第一和第三立柱 21、 23之间以及在横梁构件 8和与之相连 的第二和第四立柱 22、 24之间也都连接有角撑板， 以增大连接强度， 确保 形成牢固的框架。
如图 1 所示， 在所述横梁构件中， 在两侧连接立柱的横梁构件 7、 8 由例如方管型材制成， 而在后部连接第一和笫二立柱 21、 22的横梁构件 3 以及在前部连接第三和笫四立柱 23、 24的横梁构件 4则由 U形型材制成。
具体地， 连接第一和第二立柱 21、 22的横梁构件 3包括第一横梁 31 和两个连接横梁 32、 33, 其中第一横梁 31在第一和第二立柱 21、 22的相 对于由立柱所限定的框架结构的外侧并大致沿这两个立柱的连线延伸， 所 述两个连接横梁 32、 33的一端分别连接到第一或第二立柱的外侧部， 另一 端分别连接到该第一横梁 31。
根据本发明， 第一横梁 31、 连接横梁 32、 33以及与第一横梁 31相对 的前部横梁构件 4均为 U形梁。 特别地， 将 U形的第一横梁 31和横梁构 件 4设置成其 U形开口向上或向下（在图中为向上） ， 并且将两个连接横 梁 32、 33设置成其 U形开口朝向笫一或笫二立柱或者朝向第一横梁 31， 在图中为朝向第一或第二立柱， 从而这两个连接横梁 32、 33的 U形底部 与第一横梁 31的外侧壁相连， 这两个连接横梁 32、 33的与其 U形底部相 对的顶部则分别连接在对应的第一或第二立柱上。 在这种布置下， 连接在 立柱 21、 22和第一横梁 31之间的所述两个 U形连接横梁 32、 33以较少 的材料形成结构稳定且耐冲击的管形连接梁。
此外， 根据本发明， 在第一和第二立柱 21、 22与横梁构件 3之间设有 支撑板 51、 52, 以便与所述横梁构件一起实现吸收或减緩冲击的作用。 具 体地， 如图 1所示， 支撑板 51—端连接在第一立柱 21上， 另一端与横梁 构件 3中的第一横梁 31相连； 同样， 支撑板 52的两端分别连接第二立柱 22和第一横梁 31。 所述支撑板 51、 52通常由钢板制成， 并且其尺寸和强 度大于该驾驶室结构中的用以增大连接强度的角撑板的尺寸和强度。
这样， 就形成了设置在作业机械上保护操作人员的驾驶室结构。 该驾 驶室结构牢固， 抗冲击能力强， 特别是当作业才^出现紧急状况例如碰到 意外事故或受到外力作用而导致车辆翻滚时， 该驾驶室不会变形， 从而保 证驾驶人员的安全。 因此， 该驾驶室结构形成对驾驶人员的良好防护， 极 大地增强了作业机械的驾驶安全性。
由于第一横梁 31与支撑板 51、 52的连接部位通常受到较大的力载荷， 因此在该第一横梁 31的 U形槽内， 在与该第一横梁 31和所述支撑板 51、 52的连接部位相对应的位置设置加强肋 61、 62以局部增强该驾驶室结构 的强度。 如图 1所示， 所述加强肋 61、 62从第一横梁 31的 U形槽的底部 向上突起， 并且其两端分别连接到该 U形槽的相对的内侧壁上。 这样， 通 过改善局部受力， 所述加强肋 61、 62从整体上提高了该第一横梁 31的强 度。
图 1示出根据本发明的用于作业机械的驾驶室结构另一优选实施例的 后透视图， 其中与图 1所示实施例相同的部件用相同的标号指示。 从图 2 中可以看出， 该优选实施例与图 1所示的实施例的不同之处仅在于： 在第 一横梁 31的 U形槽内，设有倾斜连接在该第一横梁 31的内侧壁上的加强 板（通常为钢板） 63、 64， 而加强肋 61，、 62，的一端连接在第一横梁 31的 U形槽的内侧壁上， 另一端连接到所述加强板 63、 64的中部， 从而形成大 致为 T形的增强结构。 这样， 就增强了第一横梁 31的受载荷较大的局部 部位， 即增强了与支撑板或连接横梁相连的部位， 由此从整体上保证该笫 一横梁 31的强度。 当然， 在不脱离本发明的范围的情况下， 也可仅设置加 强板 63、 64， 而不设置加强肋。
优选地， 使位于后部的第一横梁 31的 U形横截面宽度大于位于前部 的 U形横梁构件 4的 U形横截面宽度。这针对驾驶室结构的受力情况实现 了材料的合理分配， 从而使驾驶室结构的用料和防护性能得到最优化。 当 然， 也可在立柱上设置增强部， 以增大该驾驶室结构的强度。
应当指出， 上文所述的连接通常为焊接， 但也可采用铆接、 螺栓连接 等其它连接方式。 此外， 还应当指出， 尽管上文结合具有四个立柱的驾驶 室结构实施例说明了本发明， 但立柱的数量并不局限于四个。

Claims

权利要求
1. 一种用于作业机械的驾驶室结构， 包括：
基板（ 1 ) ；
至少第一立柱（21) 、 第二立柱（22) 、 第三立柱（23)和第四立柱 (24) , 所述立柱的下部固定到基板， 上部通过横梁构件（3、 4、 7、 8) 相互连接；
其特征在于，
连接所述第一立柱（21)和第二立柱（22)的横梁构件 (3)包括第一 横梁（31)和连接横梁（32、 33) ， 所述连接横梁（32、 33)一端与所述 第一和第二立柱（ 21、 22 )的外侧部固定连接，另一端与所述第一横梁（ 31 ) 固定连接；
所述第一横梁（31) 与所述第一和第二立柱（21、 22)之间连接有支 撑板 (51、 52) 。
2. 根据权利要求 1所述的驾驶室结构， 其特征在于， 所述第一横梁 (31)和所述连接横梁（32、 33)均为 U形梁。
3. 根据权利要求 2所述的驾驶室结构， 其特征在于， 所述连接横梁 (32、 33)设置成其 U形开口朝向所述第一或第二立柱（21、 22)或者朝 向所述第一横梁（31) 。
4. 根据权利要求 3所述的驾驶室结构， 其特征在于， 所述第一横梁 (31)设置成其 U形开口向上或向下。
5. 根据权利要求 2所述的驾驶室结构， 其特征在于， 在所述第一横 梁（31)的 U形槽内， 在与该第一横梁（31)和所述支撑板（51、 52)或 所述连接横梁（32、 33)的连接部相对应的位置设有加强件（61、 62; 61，、 62，、 63、 64) 。
6. 根据权利要求 5所述的驾驶室结构， 其特征在于， 所述加强件包 括垂直于所述第一横梁（31) 的 U形槽设置的加强肋（61、 62) 。
7. 根据权利要求 5所述的驾驶室结构， 其特征在于， 所述加强件包 括与所述第一横梁（31)的 U形槽的一侧面和底面相连的加强板（63、 64)。
8. 根据权利要求 5所述的驾驶室结构， 其特征在于， 所述加强件包 括垂直于所述第一横梁（31) 的 U形槽设置的加强肋（61，、 62，）和与所 述第一横梁（31)的 U形槽的一侧面和底面相连的加强板（63、 64) ， 其 中所述加强肋（61，、 62，）连接到所述加强板（63、 64) 的中部以形成 T 形结构。
9. 根据权利要求 2所述的驾驶室结构， 其特征在于， 连接所述第三 立柱（23)和第四立柱（24) 的横梁构件（4)为 U形梁。
10. 根据权利要求 1所述的驾驶室结构， 其特征在于， 所述立柱为方 管。
PCT/CN2008/071524 2007-07-04 2008-07-02 A driving cab structure for working machine WO2009003416A1 (en)

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GB2477760B (en) * 2010-02-11 2015-06-03 Bamford Excavators Ltd Working machine
JP2017040096A (ja) * 2015-08-20 2017-02-23 共和産業株式会社 建設機械用キャブ

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CN1564766A (zh) * 2001-10-02 2005-01-12 麦格纳国际公司 卡车驾驶室空间构架
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