WO2019110020A1 - 举升支架及其设置有举升支架的矿用自卸车车厢 - Google Patents

举升支架及其设置有举升支架的矿用自卸车车厢 Download PDF

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Publication number
WO2019110020A1
WO2019110020A1 PCT/CN2018/119950 CN2018119950W WO2019110020A1 WO 2019110020 A1 WO2019110020 A1 WO 2019110020A1 CN 2018119950 W CN2018119950 W CN 2018119950W WO 2019110020 A1 WO2019110020 A1 WO 2019110020A1
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Prior art keywords
hinge
rib groove
hole
plate
shaped rib
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PCT/CN2018/119950
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English (en)
French (fr)
Inventor
陈鹏彪
闫军利
宫继成
李官平
王飞宇
王英杰
郭元元
郭海全
高利军
贾占军
张春云
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内蒙古北方重型汽车股份有限公司
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Application filed by 内蒙古北方重型汽车股份有限公司 filed Critical 内蒙古北方重型汽车股份有限公司
Priority to AU2018380443A priority Critical patent/AU2018380443B2/en
Publication of WO2019110020A1 publication Critical patent/WO2019110020A1/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
    • 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
    • B60P1/28—Tipping body constructions
    • B60P1/283—Elements of tipping devices

Definitions

  • the present invention relates to a mine dump truck, and more particularly to a lift bracket and a mine dump truck compartment provided with a lift bracket.
  • the mining dump truck is the main transportation equipment of open pit mines. It has the characteristics of heavy load, long running time and high structural reliability. In the process of unloading, the mine dump truck requires the car to be lifted to the designated position under the action of the lifting cylinder in a short time to realize the inclination of the material of the device.
  • the technical problem to be solved by the invention is to provide a lifting bracket and a mine dump truck compartment provided with the lifting bracket, which can effectively reduce the hinged position of the lifting cylinder and the floor of the compartment in the dumping process of the mining dump truck compartment. High stress concentration reduces the failure rate at this location.
  • a lifting bracket includes a hinge plate and a U-shaped rib groove; the hinge plate has a weight reducing hole and two hinge holes, the hinge hole is located at a middle portion of the hinge plate, and the hinge hole is located at two sides of the hinge hole; the U-shaped rib groove is connected at Between the two hinge plates, the U-shaped rib groove is located outside the weight reduction hole.
  • a mine dump truck compartment provided with a lifting bracket, comprising a bottom plate and a bottom plate rib groove, the bottom plate rib groove is connected at the bottom of the bottom plate; and further comprises a lifting bracket, the lifting bracket comprises a hinge plate and a U-shaped rib groove;
  • the hinge hole is located in the middle of the hinge plate, the hinge hole is located on both sides of the hinge hole;
  • the U-shaped rib groove is connected between the two hinge plates, and the U-shaped rib groove is located outside the weight reduction hole;
  • Adjacent two bottom ribs respectively pass through two weight reducing holes, and the hinge plates are connected with the contact faces of the bottom plates, and the bottom rib grooves are connected with the contact faces of the weight reducing holes.
  • the two ends of the hinge plate are circular arcs.
  • the U-shaped rib groove is formed by integral bending and has a U-shaped cross section.
  • the invention improves the contact area between the lifting bracket and the floor of the car by the improvement of the traditional car lifting support, increases the welding area, and overlaps with the reinforcing rib of the floor of the car as an integral structure, thereby effectively reducing the mining self.
  • the unloading car lifts the height stress concentration of the oil cylinder and the hinge part of the car floor, reduces the failure rate of the part, improves the reliability and service life of the car, ensures the attendance rate of the whole vehicle, saves the cost, and improves the cost. Production efficiency.
  • Figure 1 is a schematic view showing the structure of a lifting bracket in the present invention
  • Fig. 2 is a schematic view showing the structure of a dump truck compartment provided with a lifting bracket in the present invention.
  • FIG. 1 it is a schematic structural view of the lift stand 3 in the present invention.
  • the lifting bracket 3 comprises: two hinge plates 31 and U-shaped rib grooves 32; the hinge plate 31 is provided with a weight reducing hole 33 and two hinge holes 34, and the hinge hole 34 is located at a middle portion of the hinge plate 31, and the hinge hole 34 is used for The lifting cylinder is connected; the hinge hole 34 is located at two sides of the hinge hole 34, and the weight reducing hole 33 is used for closing the free circulation of the engine exhaust gas in the floor rib groove 2, and heating the bottom plate by using the residual heat of the exhaust gas.
  • the U-shaped rib groove 32 is connected (welded) between the two hinge plates 31, and the U-shaped rib groove 32 is located outside the weight reduction hole 33.
  • the two ends of the hinge plate 31 have a circular arc shape, which ensures a smooth transition of the weld bead and avoids the occurrence of welding stress concentration points.
  • the U-shaped rib groove 5 is formed by integral bending and has a U-shaped cross section.
  • FIG. 2 it is a schematic structural view of a dump truck compartment provided with a lifting bracket in the present invention.
  • the structure of the dump truck compartment provided with the lifting bracket comprises: a bottom plate 1, a floor rib groove 2, a lifting bracket 3;
  • the bottom rib groove 2 is welded to the bottom of the bottom plate 1, and the two adjacent bottom rib grooves 2 respectively pass through the two weight reducing holes 33, and the hinge plate 31 is welded and connected with the contact surface of the bottom plate 1, and the bottom plate rib groove 2 and the weight reducing hole 33 contact surface solder joints. Therefore, the bottom plate 1, the bottom rib groove 2, and the lifting bracket 3 are welded together to form an integral structure, thereby improving the strength and rigidity of the overall structure of the lifting support portion, effectively reducing stress concentration, and avoiding early structure welding, The occurrence of cracking.
  • the invention improves the contact area between the lifting bracket and the floor of the car by the improvement of the traditional car lifting support, increases the welding area, and overlaps with the reinforcing rib of the floor of the car as an integral structure, thereby effectively reducing the mining self.
  • the unloading carriage raises the height stress concentration of the hinged part of the cylinder and the floor of the compartment.

Abstract

一种举升支架，包括铰接板（31）和U型筋槽（32），该铰接板（31）开有减重孔（33）和两个铰接孔（34），铰接孔（34）位于铰接板（31）的中部，减重孔（33）位于铰接孔（34）的两侧，U型筋槽（32）连续在两块铰接板（31）之间，U型筋槽（32）位于减重孔（33）的外侧。U型筋槽增加了举升支架与车厢底板的接触面积，增大了焊接区域，并与车厢底板加强筋搭接成整体结构，从而有效降低矿用自卸车车厢在卸料过程中举升油缸与车厢底板铰接部位的高度应力集中，降低该部位的故障率。还公开了一种设置有该举升支架的矿用自卸车车厢。

Description

举升支架及其设置有举升支架的矿用自卸车车厢
本申请基于下列中国专利申请提出：
申请号：201711297881.8，申请日：2017年12月8日；
并要求上述中国专利申请的优先权，上述中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及一种矿用自卸车，具体说，涉及一种举升支架及其设置有举升支架的矿用自卸车车厢。
背景技术
矿用自卸车是露天矿山的主要运输设备，该设备有着载重大、连续运行时间长、结构可靠性要求高的特点。矿用自卸车在卸料过程中，要求车厢在短时间内在举升油缸的作用下快速举升到指定位置实现装置物料的倾斜。
由于矿用自卸车在运行过程中要进行频繁的装载和卸料，加上车厢在卸料过程中举升油缸与车厢底板铰接部位的高度应力集中，很容易造成该部位早期损坏，从而影响车辆的使用寿命。
发明内容
本发明所解决的技术问题是提供一种举升支架及其设置有举升支架的矿用自卸车车厢，能够有效降低矿用自卸车车厢在卸料过程中举升油缸与车厢底板铰接部位的高度应力集中，降低该部位的故障率。
一种举升支架，包括铰接板、U形筋槽；铰接板开有减重孔和两个铰接孔，铰接孔位于铰接板的中部，铰接孔位于铰接孔两侧；U形筋槽连接在两块铰接板之间，U形筋槽位于减重孔外侧。
一种设置有举升支架的矿用自卸车车厢，包括底板和底板筋槽，底板筋槽连接在底板的底部；还包括举升支架，举升支架包括铰接板、U形筋槽； 铰接板开有减重孔和两个铰接孔，铰接孔位于铰接板的中部，铰接孔位于铰接孔两侧；U形筋槽连接在两块铰接板之间，U形筋槽位于减重孔外侧；相邻的两个底板筋槽分别穿过两个减重孔，铰接板与底板的接触面相连接，底板筋槽与减重孔的接触面相连接。
进一步：铰接板两个端部为圆弧形。
进一步：U形筋槽采用一体式折弯成型，截面为U形结构。
与现有技术相比，本发明技术效果包括：
本发明通过对传统车厢举升支座的改进，增加了举升支架与车厢底板的接触面积，增大了焊接区域，并与车厢底板加强筋搭接为整体结构，从而能够有效降低矿用自卸车车厢在卸料过程中举升油缸与车厢底板铰接部位的高度应力集中，降低该部位的故障率，提高了车厢的可靠性和使用寿命，保证了整车的出勤率，节省了成本，提高了生产效率。
附图概述
图1是本发明中举升支架的结构示意图；
图2是本发明中设置有举升支架的矿用自卸车车厢的结构示意图。
本发明的较佳实施方式
下面参考示例实施方式对本发明技术方案作详细说明。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式使得本发明更全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。
如图1所示，是本发明中举升支架3的结构示意图。
举升支架3包括：两块铰接板31、U形筋槽32；铰接板31开有减重孔33和两个铰接孔34，铰接孔34位于铰接板31的中部，铰接孔34用于与举升油缸连接；铰接孔34位于铰接孔34两侧，减重孔33用于封闭底板筋槽2内发动机尾气的自由流通，利用尾气余热加热底板。U形筋槽32连接(焊接)在两块铰接板31之间，U形筋槽32位于减重孔33外侧。
铰接板31两个端部为圆弧形，保证了焊道的平滑过渡，避免焊接应力集中点的出现。U形筋槽5采用一体式折弯成型，截面为U形结构。
如图2所示，是本发明中设置有举升支架的矿用自卸车车厢的结构示意图。
设置有举升支架的矿用自卸车车厢的结构包括：底板1、底板筋槽2、举升支架3；
底板筋槽2焊接在底板1的底部，相邻的两个底板筋槽2分别穿过两个减重孔33，铰接板31与底板1的接触面焊接连接，底板筋槽2与减重孔33的接触面焊接连接。从而使底板1、底板筋槽2、举升支架3三者之间通过相互焊接形成整体结构，从而提高举升支座部位整体结构的强度和刚度，有效降低应力集中，避免结构早期开焊、开裂现象的出现。
本发明所用的术语是说明和示例性、而非限制性的术语。由于本发明能够以多种形式具体实施而不脱离发明的精神或实质，所以应当理解，上述实施例不限于任何前述的细节，而应在随附权利要求所限定的精神和范围内广泛地解释，因此落入权利要求或其等效范围内的全部变化和改型都应为随附权利要求所涵盖。
工业实用性
本发明通过对传统车厢举升支座的改进，增加了举升支架与车厢底板的接触面积，增大了焊接区域，并与车厢底板加强筋搭接为整体结构，从而能够有效降低矿用自卸车车厢在卸料过程中举升油缸与车厢底板铰接部位的高度应力集中。

Claims (6)

  1. 一种举升支架，其特征在于：包括铰接板、U形筋槽；铰接板开有减重孔和两个铰接孔，铰接孔位于铰接板的中部，铰接孔位于铰接孔两侧；U形筋槽连接在两块铰接板之间，U形筋槽位于减重孔外侧。
  2. 如权利要求1所述举升支架，其特征在于：铰接板两个端部为圆弧形。
  3. 如权利要求1所述举升支架，其特征在于：U形筋槽采用一体式折弯成型，截面为U形结构。
  4. 一种设置有举升支架的矿用自卸车车厢，包括底板和底板筋槽，底板筋槽连接在底板的底部，其特征在于：还包括举升支架，举升支架包括铰接板、U形筋槽；铰接板开有减重孔和两个铰接孔，铰接孔位于铰接板的中部，铰接孔位于铰接孔两侧；U形筋槽连接在两块铰接板之间，U形筋槽位于减重孔外侧；相邻的两个底板筋槽分别穿过两个减重孔，铰接板与底板的接触面相连接，底板筋槽与减重孔的接触面相连接。
  5. 如权利要求4所述设置有举升支架的矿用自卸车车厢，其特征在于：铰接板两个端部为圆弧形。
  6. 如权利要求4所述设置有举升支架的矿用自卸车车厢，其特征在于：U形筋槽采用一体式折弯成型，截面为U形结构。
PCT/CN2018/119950 2017-12-08 2018-12-08 举升支架及其设置有举升支架的矿用自卸车车厢 WO2019110020A1 (zh)

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CN108146316B (zh) 2021-07-30
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