WO2023071064A1 - 油气弹簧支架及宽体矿用自卸车 - Google Patents

油气弹簧支架及宽体矿用自卸车 Download PDF

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Publication number
WO2023071064A1
WO2023071064A1 PCT/CN2022/086238 CN2022086238W WO2023071064A1 WO 2023071064 A1 WO2023071064 A1 WO 2023071064A1 CN 2022086238 W CN2022086238 W CN 2022086238W WO 2023071064 A1 WO2023071064 A1 WO 2023071064A1
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Prior art keywords
oil
bottom plate
gas spring
top plate
frame
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PCT/CN2022/086238
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English (en)
French (fr)
Inventor
董森
阎相作
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三一重型装备有限公司
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Publication of WO2023071064A1 publication Critical patent/WO2023071064A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • 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
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions

Definitions

  • the application relates to the technical field of dump trucks, in particular to an oil-gas spring support and a wide-body mining dump truck.
  • the front suspension of wide-body mining dump trucks mostly uses oil-pneumatic springs as shock absorbing means.
  • the main function of oil-pneumatic springs is to bear and transmit vertical loads, buffer and suppress the impact caused by uneven road surfaces.
  • the oil-gas spring is connected to the vehicle frame through a bracket, and the bracket and the vehicle frame are connected by bolts. Due to the low strength of the bolt connection, the bolts are easily fatigued and damaged under the action of radial shear force during use, posing safety hazards.
  • the present application provides an oil-gas spring bracket and a wide-body mining dump truck.
  • the problem of low bolt connection strength in the prior art is solved. Fatigue damage, technical problems with potential safety hazards.
  • An oil-pneumatic spring bracket used for a wide-body mining dump truck The ore-body mine dump truck includes a vehicle frame and an oil-pneumatic spring.
  • the bracket includes:
  • the bottom plate is used to connect with the frame by welding
  • the top plate is vertically arranged on the bottom plate and is located on the upper edge of the bottom plate;
  • a plurality of ear plates are arranged at intervals between the bottom plate and the top plate, and the plurality of ear plates are used for connecting the oil-gas spring.
  • it also includes a plurality of reinforcing ribs
  • a plurality of reinforcing ribs are vertically arranged between the bottom plate and the top plate at intervals, and are located on both sides of the plurality of lug plates.
  • any one of the ribs is L-shaped.
  • top plate and the bottom plate, the plurality of ear plates and the bottom plate and the top plate, and the multiple ribs and the bottom plate and the top plate are all fixedly connected by welding.
  • the bottom plate, the top plate, the plurality of lug plates and the plurality of reinforcing ribs are made of high-strength steel.
  • the material of the bottom plate, the top plate, the plurality of lug plates and the plurality of ribs is HG70.
  • bottom plate is welded circumferentially with the frame
  • the base plate is also provided with a plurality of openings, and any one of the openings is welded with the base plate in the circumferential direction.
  • any lug plate is also provided with an installation hole for installing the oil-pneumatic spring.
  • a reinforcing ring is welded on the side of the ear plate away from the reinforcing rib, and the reinforcing ring is located in the axial direction of the mounting hole and communicated with the mounting hole.
  • the frame, the frame is a welded frame
  • oil-pneumatic spring support the oil-pneumatic spring is connected with the vehicle frame through the oil-pneumatic spring support.
  • a top plate is arranged on the upper edge of the bottom plate, and a plurality of lug plates are also arranged between the top plate and the bottom plate.
  • the bottom plate is used to connect with the frame by welding. Since the welding method has a high connection strength, the connection strength between the oil-gas spring support and the frame is improved, and the surface contact between the bottom plate and the frame is good for oil-gas springs.
  • the force acting on the bottom plate is dispersed to avoid excessive local force and prevent the breakage and damage of the bottom plate or frame due to excessive local force, thereby ensuring the safety of the oil and gas spring.
  • the application also provides a wide-body mining dump truck, the frame is welded, the overall rigidity is high, and it is not easy to be damaged when subjected to a large impact force, thereby improving the safety of the oil-gas spring.
  • Fig. 1 is the structural representation of oil-gas spring support in the specific embodiment
  • Fig. 2 is a cross-sectional view of the reinforcing ring in the specific embodiment.
  • this embodiment provides an oil-pneumatic spring support for a wide-body dump truck, and the wide-body dump truck includes a vehicle frame and an oil-pneumatic spring.
  • the oil and gas spring support includes a bottom plate 1 , a top plate 2 and a plurality of ear plates 3 .
  • the top plate 2 is vertically arranged on the bottom plate 1 and is located on the upper edge of the bottom plate 1.
  • a plurality of ear plates 3 are arranged between the bottom plate 1 and the top plate 2 at intervals and are perpendicular to the bottom plate 1 and the top plate 2 respectively.
  • the plurality of ear plates 3 For connecting oil and gas springs.
  • the number of ear plates 3 in this embodiment is preferably two, and the two ear plates 3 are arranged in parallel.
  • the bottom plate 1 is connected to the frame by welding, which has high connection strength, and the surface contact between the bottom plate 1 and the frame can disperse the force acting on the frame, avoiding The local excessive force on the frame causes the frame to break and damage, thereby ensuring the safety of the wide-body mining dump truck.
  • the base plate 1 in this embodiment is of irregular shape, the circumferential ring of the base plate 1 is welded on the vehicle frame, and a plurality of openings 11 are also arranged on the base plate 1, and any one of the openings 11 is welded with the vehicle frame in the circumferential direction .
  • the welding area between the bottom plate 1 and the frame is further increased, thereby enhancing the connection strength between the bottom plate 1 and the frame.
  • the number of reinforcing ribs 5 in this embodiment is preferably two, and the two reinforcing ribs 5 are arranged symmetrically on the outside of the lug 3 , and the reinforcing ribs 5 are L-shaped and parallel to the lug 3 .
  • the reinforcing rib 5 plays a role of supporting and strengthening the lug plate 3 to prevent the joints of the lug plate 3 with the bottom plate 1 and the top plate 2 from being torn and damaged.
  • the oil-gas spring bracket is a welded structural part, and the bottom plate 1, top plate 2, lug plate 3 and reinforcing rib 5 are all made of HG70 high-strength steel, and the top plate 2 and bottom plate 1, multiple ear plates 3 and top plate 2 It is fixedly connected with the base plate 1, and between the reinforcing rib 5 and the base plate 1 and the top plate 2 by welding.
  • the upper edge of the bottom plate 1, the connection side between the top plate 2 and the bottom plate 1, the connection sides between the plurality of ear plates 3 and the bottom plate 1 and the top plate 2, and the connection sides between the ribs 5 and the bottom plate 1 and the top plate 2 are all provided with slopes.
  • the groove is fully welded to enhance the welding strength between the components of the oil and gas spring bracket.
  • any lug plate 3 in this embodiment is also provided with a mounting hole 32 for mounting the pin shaft of the oil-gas spring, and the pin shaft is rotatably connected in the mounting hole 32 through a bearing.
  • a reinforcing ring 3 is welded on the ear plate 3 , and the reinforcing ring 3 is located on the side of the ear plate 3 away from the reinforcing rib 5 and is located in the axial direction of the installation hole 32 .
  • the reinforcement ring 3 is provided with a first shaft hole 31 and a second shaft hole 32 which are connected to each other.
  • the diameter of the first shaft hole 31 is equal to the diameter of the installation hole 32, and the diameter of the second shaft hole 32 is smaller than that of the first shaft hole 31. aperture.
  • the bearing is placed in the mounting hole 32 and the first shaft hole 31 of the reinforcing ring 3, one side of the outer ring of the bearing is in contact with the step of the second shaft hole 32, and the other side is limited by the limit bolt, and the ear
  • the plate 3 is correspondingly provided with a threaded hole 31 for screwing a limit bolt, and the threaded hole 31 is located on a side away from the reinforcement ring 3 .
  • the arrangement of the reinforcing ring 3 increases the bearing space of the bearing and limits the axial position of the bearing.
  • This embodiment also provides a wide-body mining dump truck, which includes a frame and an oil-pneumatic spring, and the oil-pneumatic spring is connected to the frame through an oil-pneumatic spring bracket.
  • the vehicle frame in this embodiment is a welded structural member with good overall rigidity.
  • the oil-pneumatic spring bracket and the vehicle frame are fixedly connected by welding, which has better connection strength than the bolt connection method, which can effectively prevent the frame and the oil-gas spring support from being torn and damaged, thereby ensuring the safety of the wide-body mining dump truck sex.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种油气弹簧支架，包括车架和油气弹簧，支架包括底板(1)、顶板(2）和多个耳板（3），其中，底板通过焊接方式与车架相连，顶板垂直设于底板上，多个耳板相互间隔地设于底板与顶板之间，多个耳板用于连接油气弹簧。该装置具有较高的连接强度和使用安全性。还包括一种宽体矿用自卸车。

Description

油气弹簧支架及宽体矿用自卸车
相关申请的交叉引用
本申请要求于2021年10月26日提交的申请号为202122590324.3，实用新型名称为“一种油气弹簧支架及宽体矿用自卸车”的中国专利申请的优先权，其通过引用方式全部并入本文。
技术领域
本申请涉及自卸车技术领域，尤其涉及一种油气弹簧支架及宽体矿用自卸车。
背景技术
目前，宽体矿用自卸车的前悬架多采用油气弹簧作为减震手段，油气弹簧主要作用是承受和传递垂直载荷，缓冲并抑制不平路面所引起的冲击。现有技术中，油气弹簧通过支架与车架连接，支架与车架间通过螺栓连接。由于螺栓连接强度低，使用时螺栓承受径向剪切力作用易疲劳损坏，存在安全隐患。
发明内容
(一)要解决的技术问题
鉴于现有技术的上述缺点、不足，本申请提供一种油气弹簧支架及宽体矿用自卸车，通过将油气弹簧支架的底板焊接于车架上，解决了现有技术中螺栓连接强度低易疲劳损坏，存在安全隐患的技术问题。
(二)技术方案
为了达到上述目的，本申请提供了一种油气弹簧支架及宽体矿用自卸车，具体技术方案如下：
一种油气弹簧支架，用于宽体矿用自卸车，矿体矿用自卸车包括车架和油气弹簧，支架包括：
底板，用于通过焊接方式与车架相连；
顶板，垂直设于底板上，并位于底板的上边源；
多个耳板，相互间隔地设于底板与顶板之间，多个耳板用于连接油气弹簧。
进一步，还包括多个加强筋；
多个加强筋相互间隔地垂直设于底板和顶板之间，并位于多个耳板的两侧。
进一步，任一个加强筋为L型。
进一步，顶板与底板、多个耳板与底板和顶板、多个加强筋与底板和顶板均采用焊接的方式固定连接。
进一步，底板、顶板、多个耳板及多个加强筋的材质为高强度钢。
进一步，底板、顶板、多个耳板及多个加强筋的材质为HG70。
进一步，底板周向与车架焊接；
底板上还设置有多个开孔，任一个开孔周向与底板焊接。
进一步，任一个耳板上还设置有用于安装油气弹簧的安装孔。
进一步，耳板远离加强筋的一侧还焊接有加强环，加强环位于安装孔的轴向，并与安装孔相连通。
一种宽体矿用自卸车，其特征在于，包括：
车架，车架为焊接车架；
油气弹簧；
上述油气弹簧支架，油气弹簧通过油气弹簧支架与车架相连。
(三)有益效果
本申请提供的油气弹簧支架，通过在底板的上边缘设置顶板，顶板与底板之间还设有多个耳板。其中，底板用于通过焊接方式与车架相连，由于焊接方式具有较高的连接强度，进而提高了油气弹簧支架与车架的连接强度，且底板与车架间为面接触方式，对油气弹簧作用于底板上的作用力进行分散，避免局部受力过大，防止局部受力过大导致底板或车架的断裂损坏，进而保证了油气弹簧的使用安全性。
本申请还提供了一种宽体矿用自卸车，车架为焊接车架，整体刚度较大，当承受较大的冲击力时也不易损坏，进而提高了油气弹簧的使用安全性。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定，在附图中：
图1为具体实施方式中油气弹簧支架的结构示意图；
图2为具体实施方式中加强环的剖视图。
【附图标记说明】
1、底板；11、开孔；
2、顶板；
3、耳板；31、螺纹孔；32、安装孔；
4、加强环；41、第一轴孔；42、第二轴孔；
5、加强筋。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请的优选实施例中的附图，对本申请实施例中的技术方案进行更加详细的描述。在附图中，自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。所描述的实施例是本申请一部分实施例，而不是全部的实施例。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。下面结合附图对本申请的实施例进行详细说明。
在本实施例的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实施例保护范围的限制。
参见图1至图2，本实施例提供了一种油气弹簧支架，用于宽体自卸车，宽体自卸车包括车架和油气弹簧。油气弹簧支架包括底板1、顶板2 和多个耳板3。顶板2垂直设于底板1上，并位于底板1的上边缘，多个耳板3相互间隔地设于底板1和顶板2之间，分别与底板1和顶板2相垂直，多个耳板3用于连接油气弹簧。作为示例，本实施例中耳板3的数量优选为2个，2个耳板3平行设置。本实施例中，底板1采用焊接的方式与车架相连，具有较高的连接强度，且底板1与车架之间为面接触方式，能够对作用于车架上的力进行分散，可避免车架局部受力过大导致车架断裂损坏，进而保证了宽体矿用自卸车的使用安全性。
进一步，本实施例中的底板1为不规则形状，底板1的周向圈焊于车架上，底板1上还设置有多个开孔11，任一个开孔11周向与车架进行焊接。本实施例通过增加多个开孔11，并将任一个开孔11周向与车架焊接，进一步增加了底板1与车架的焊接面积，进而增强了底板1与车架的连接强度。
进一步，还包括多个加强筋5，多个加强筋5设于底板1和顶板2之间，并位于多个耳板3的两侧，用于增加油气弹簧支架的抗拉强度。作为示例，本实施例中加强筋5的数量优选为2个，2个加强筋5对称设于耳板3的外侧，加强筋5为L型，并与耳板3相平行。加强筋5对耳板3起到支撑和加强的作用，防止与耳板3与底板1和顶板2的连接处撕裂损坏。
本实施例中，油气弹簧支架为焊接结构件，底板1、顶板2、耳板3以及加强筋5均采用的是HG70高强度钢，且顶板2与底板1、多个耳板3与顶板2和底板1之间、以及加强筋5与底板1和顶板2之间均采用焊接的方式固定连接。对应地，底板1的上边缘、顶板2与底板1的连接侧、多个耳板3与底板1和顶板2的连接侧，以及加强筋5与底板1和顶板2的连接侧均设置有坡口，焊接时对坡口进行满焊，以增强油气弹簧支架各组件间的焊接强度。
具体地，本实施例中的任一个耳板3上还设置有用于安装油气弹簧销轴的安装孔32，销轴通过轴承转动连接于安装孔32内。进一步，耳板3上焊接有加强环3，加强环3位于耳板3远离加强筋5的一侧，并位于安装孔32的轴向。加强环3内设置有相互贯通的第一轴孔31和第二轴孔32，第一轴孔31的孔径与安装孔32的孔径相等，第二轴孔32的孔径小 于第一轴孔31的孔径。具体安装时，将轴承置于安装孔32和加强环3的第一轴孔31内，轴承外圈一侧与第二轴孔32台阶相抵接，另一侧通过限位螺栓进行限位，耳板3上对应设置有用于旋拧限位螺栓的螺纹孔31，螺纹孔31位于远离加强环3的一侧。本实施例中，加强环3的设置增加了轴承的承载空间，并对轴承进行轴向限位。
本实施例还提供了一种宽体矿用自卸车，包括车架和油气弹簧，油气弹簧通过油气弹簧支架与车架相连。本实施例中的车架为焊接结构件，整体刚度好。油气弹簧支架与车架采用焊接的方式固定连接，相较于螺栓连接方式具有良好的连接强度，可有效防止车架及油气弹簧支架撕裂损坏，进而保证了宽体矿用自卸车的使用安全性。
以上所述，仅为本申请的较佳的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，根据本申请的技术方案及其实用新型构思加以等同替换或改变，都涵盖在本申请的保护范围内。

Claims (10)

  1. 一种油气弹簧支架，用于宽体矿用自卸车，所述宽体矿用自卸车包括车架和油气弹簧，所述油气弹簧支架包括：
    底板(1)，用于通过焊接方式与所述车架相连；
    顶板(2)，垂直设于所述底板(1)上，并位于所述底板(1)的上边源；
    多个耳板(3)，相互间隔地设于所述底板(1)与所述顶板(2)之间，多个所述耳板(3)用于连接油气弹簧。
  2. 根据权利要求1所述的油气弹簧支架，所述油气弹簧支架还包括多个加强筋(5)；
    多个所述加强筋(5)相互间隔地垂直设于所述底板(1)和所述顶板(2)之间，并位于多个所述耳板(3)的两侧。
  3. 根据权利要求2所述的油气弹簧支架，其中，任一个所述加强筋(5)为L型。
  4. 根据权利要求2所述的油气弹簧支架，其中，所述顶板(2)与所述底板(1)之间、多个所述耳板(3)与所述底板(1)和所述顶板(2)之间、多个所述加强筋(5)与所述底板(1)和所述顶板(2)之间均采用焊接的方式固定连接。
  5. 根据权利要求4所述的油气弹簧支架，其中，所述底板、所述顶板、多个所述耳板及多个所述加强筋的材质均为高强度钢。
  6. 根据权利要求5所述的油气弹簧支架，其中，所述底板、所述顶板、多个所述耳板及多个所述加强筋的材质为HG70。
  7. 根据权利要求1所述的油气弹簧支架，其中，所述底板(1)周向与所述车架焊接；
    所述底板(1)上还设置有多个开孔(11)，任一个所述开孔(11)周向与所述底板(1)焊接。
  8. 根据权利要求7所述的油气弹簧支架，其中，任一个所述耳板(3)上还设置有用于安装所述油气弹簧的安装孔(32)。
  9. 根据权利要求6所述的油气弹簧支架，其中，所述耳板(3)远 离所述加强筋(5)的一侧还焊接有加强环(4)，所述加强环(4)位于所述安装孔(32)的轴向，并与所述安装孔(32)相连通。
  10. 一种宽体矿用自卸车，包括：
    车架，所述车架为焊接车架；
    油气弹簧；
    权利要求1至9任一项所述的油气弹簧支架，所述油气弹簧通过所述油气弹簧支架与所述车架相连。
PCT/CN2022/086238 2021-10-26 2022-04-12 油气弹簧支架及宽体矿用自卸车 WO2023071064A1 (zh)

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CN216102390U (zh) * 2021-10-26 2022-03-22 三一重型装备有限公司 一种油气弹簧支架及宽体矿用自卸车

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CN113352825A (zh) * 2021-07-23 2021-09-07 航天重型工程装备有限公司 一种全油气弹簧悬架重型车辆及刚性宽体自卸车
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Publication number Priority date Publication date Assignee Title
GB151030A (en) * 1919-03-11 1920-09-13 Joseph Francis Joy Improvements in coal loading machines
GB951096A (en) * 1960-04-11 1964-03-04 Pullman Inc Improvements in railroad cars for transporting freight containers
WO2006102714A1 (en) * 2005-03-30 2006-10-05 Alan William Dickerson Vehicle body with a curved metal plate floor
CA2587264A1 (en) * 2007-05-03 2008-11-03 Champion Hoist & Equipment Co. Llc A dump vehicle
WO2015010156A1 (en) * 2013-07-22 2015-01-29 Beetle Bodies Australia Pty Ltd A dump body for a mining haul truck
CN212073589U (zh) * 2020-04-13 2020-12-04 三一重型装备有限公司 支架和自卸车
CN113352825A (zh) * 2021-07-23 2021-09-07 航天重型工程装备有限公司 一种全油气弹簧悬架重型车辆及刚性宽体自卸车
CN216102390U (zh) * 2021-10-26 2022-03-22 三一重型装备有限公司 一种油气弹簧支架及宽体矿用自卸车

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