WO2015014183A1 - Dumper power assembly vibration isolator for mine - Google Patents

Dumper power assembly vibration isolator for mine Download PDF

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Publication number
WO2015014183A1
WO2015014183A1 PCT/CN2014/080787 CN2014080787W WO2015014183A1 WO 2015014183 A1 WO2015014183 A1 WO 2015014183A1 CN 2014080787 W CN2014080787 W CN 2014080787W WO 2015014183 A1 WO2015014183 A1 WO 2015014183A1
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WO
WIPO (PCT)
Prior art keywords
bearing
flange
pressing
bearing portion
screw
Prior art date
Application number
PCT/CN2014/080787
Other languages
French (fr)
Chinese (zh)
Inventor
邹勇
邓育玲
Original Assignee
广州电力机车有限公司
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Filing date
Publication date
Application filed by 广州电力机车有限公司 filed Critical 广州电力机车有限公司
Publication of WO2015014183A1 publication Critical patent/WO2015014183A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type

Definitions

  • the invention relates to a mine dump truck, in particular to a mine dump truck powertrain vibration isolator. Background technique
  • a diesel generator set cushion is disclosed in the patent document No. 201220310700.7, which is issued on the Japanese Patent Publication No. 201220310700.7, specifically including a base, a boss, a rubber block, a steel plate, a threaded hole and a bolt, and the two sides of the base are provided.
  • the present invention provides a mine dump truck powertrain vibration isolator.
  • a mine dump truck powertrain vibration isolator comprises a bracket, the bracket comprises a cylinder body and a bearing flange, and the bearing flange is bent outward from the upper edge of the cylinder body.
  • a vibration damping rubber block is disposed on the bracket, the vibration damping rubber block includes a lower bearing portion and an upper bearing portion, and the lower bearing portion is disposed in the cylinder body, and an edge of the upper bearing portion is from an upper edge to an outer side of the lower bearing portion Extending to form a rubber flange, the rubber flange is carried by the bearing flange, the upper surface of the upper bearing portion is spherical, and a through hole is formed in the vibration damping rubber block; the through hole passes through the screw; the middle portion of the screw is sleeved
  • the upper pressing block includes an upper extending portion and an upper pressing portion, and the upper protruding portion and the upper pressing portion form a step, the lower end of the upper protruding portion is inserted into the
  • a sleeve is placed between the screw and the damping rubber block.
  • a lower pressing block is provided at the lower end of the screw, and the lower pressing block includes a lower extending portion and a lower connecting portion, the lower projecting portion projects into the sleeve, and the lower connecting portion is resisted by the sleeve.
  • the lower end of the lower carrying portion projects from the lower end of the barrel, and the extended end of the lower carrying portion has a frustum type.
  • the beneficial effects of the present invention are: Since the bracket is provided, and the vibration damping rubber block is composed of the lower bearing portion and the upper bearing portion, the lower bearing portion is disposed in the bracket, and the upper bearing portion is carried by the bracket, the mining dump truck power After the assembly is installed between the upper pressing block and the upper cover, when the mining dump truck power assembly is vibrated, the upper carrying portion and the lower carrying portion are deformed, but the top surface of the upper carrying portion is spherical, and The rubber flange of the upper bearing portion is carried by the bearing flange, so that the middle portion of the upper bearing portion receives the force first and transmits the force to the lower bearing portion, and the vibration is buffered by the simultaneous deformation of the upper and lower bearing portions, and the vibration damping rubber block is deformed to a certain extent.
  • the deformation amount of the upper bearing portion is larger than the deformation amount of the lower bearing portion. Therefore, the entire vibration isolator acts as a linear buffering effect, the vibration damping effect is good, and resonance can be prevented to improve the comfort of the whole vehicle. Good protection of mine dump truck powertrain bearings and noise reduction. Since the protruding end of the lower bearing portion has a frustum type, the middle portion of the lower bearing portion has good deformation resistance and good vibration damping effect.
  • Figure 1 is an exploded view of the present invention.
  • Figure 2 is a cross-sectional view of the present invention.
  • Figure 3 is a bottom plan view of the present invention. detailed description
  • the mine dump truck powertrain isolators include the carrier 1 and the vibration reduction.
  • the carrier 1 includes a cylinder 11 and a bearing flange 12.
  • the bearing flange 12 is bent outwardly from the upper edge of the cylinder 11.
  • the mounting flange 12 is provided with a mounting hole 121 for fixing the bracket 1 Go to the frame.
  • the vibration damping rubber block 2 includes a lower bearing portion 21 and an upper bearing portion 22, and the lower bearing portion 21 is disposed in the cylindrical body 11.
  • the edge of the upper bearing portion 22 extends outward from the upper edge of the lower bearing portion to form a rubber flange 221, rubber
  • the flange 221 is carried by the carrier flange 12, and the upper surface of the upper carrier portion 22 is spherical, and a through hole 23 is provided in the vibration damping rubber block.
  • the lower end of the lower carrying portion 21 projects from the lower end of the barrel, and the extended end of the lower carrying portion has a frustum type.
  • the sleeve 2 is disposed in the through hole 23, and the upper end of the sleeve 2 protrudes from the upper end of the barrel 1, the upper end of the sleeve 2 is equal to the upper end of the vibration damping rubber block, and the lower end of the sleeve 2 protrudes from the lower end of the barrel 1.
  • the lower end of the sleeve 2 is equal to the lower end of the damping rubber block.
  • the screw 4 passes through the through hole sleeve 3.
  • the upper pressing block 5 is installed at the middle of the screw 4, and the upper pressing block 5 includes an upper extending portion 52 and an upper pressing portion 51.
  • the upper protruding portion 52 and the upper pressing portion 51 form a step, and the lower end portion of the upper protruding portion 52 Inserted into the sleeve 3, the upper platen portion 51 is sleeved between the upper pressing portion 51 and the upper carrier portion 22, and the upper plate 8 is attached to the upper end of the screw 4 by the nut 9 There is a space between the plate 8 and the upper pressing portion for installing the mining dump truck powertrain.
  • the lower pressing block 6 includes a lower extending portion 61 and a lower connecting portion 62.
  • the lower extending portion 61 projects into the sleeve, the lower connecting portion 62 is resisted by the sleeve, and the screw passes through the lower pressing block 6.
  • the carrier 1 since the carrier 1 is provided, and the vibration damping rubber block 2 is composed of the lower carrier portion 21 and the upper carrier portion 22, the lower carrier portion 21 is disposed in the carrier tube 1, and the upper carrier portion 22 is provided by the carrier flange 221
  • the load-bearing, mining dump truck power assembly is installed between the upper pressing block 5 and the upper cover plate 8.
  • the upper pressing block 5 When the mining dump truck power assembly is vibrated, the upper pressing block 5 is first pressed onto the pressing plate 7, and the pressing plate 7 acts on Damping the rubber block 2 on.
  • the top surface of the upper carrying portion 22 is spherical, and the rubber flange 221 of the upper carrying portion 22 is carried by the bearing flange, the middle portion of the upper carrying portion 22 is subjected to force first.
  • the vibration is buffered by the simultaneous deformation of the upper and lower bearing portions.
  • the damping rubber block When the damping rubber block is deformed to a certain extent, the upper bearing portion 22 will carry a greater force, and the upper bearing portion
  • the structure of 22 makes the whole vibration isolator play a linear buffering effect, and the vibration damping effect is good. It can also prevent resonance, improve the comfort of the whole vehicle, and better protect the power dump bearing support and mining of the dump truck. Small noise. Since the protruding end of the lower bearing portion has a frustum type, the middle portion of the lower bearing portion has good deformation resistance and good vibration damping effect.
  • the vibration isolator can be used to cushion the shock absorber, and the vibration isolator can firmly fix the power assembly to the frame. On, to protect the powertrain.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Abstract

A dumper power assembly vibration isolator for mine comprises a supporting barrel (1). The supporting barrel (1) comprises a barrel body (11) and a bearing flange (12). The bearing flange (12) extends outsides from the upper edge of the barrel body (11) in a bending way. A vibration absorbing rubber block (2) is disposed on the supporting barrel (1). The rubber block (2) comprises a lower bearing portion (21) and an upper bearing portion (22). The lower bearing portion (21) is disposed in the barrel body (11). The edge of the upper bearing portion (22) extends outsides from the upper edge of the lower bearing portion (21) to form a rubber flange (221). The rubber flange (221) is borne by the bearing flange (12). The upper surface of the upper bearing portion (22) is spherical. Through holes (23) are disposed in the rubber block (2). The through holes (23) penetrate through a screw rod (4). An upper pressing block (5) is sleeved at the middle portion of the screw rod (4). The upper pressing block (5) comprises an upper entering portion (52) and an upper pressing portion (51). The upper entering portion (52) and the upper pressing portion (51) form steps. The lower end of the upper entering portion (52) is inserted into the through hole. A pressing plate (7) is sleeved on an upper inserting portion (52) between the upper pressing portion (51) and the upper bearing portion (22). An upper cover plate (8) is mounted at the upper end of the screw rod (4). Space is formed between the upper cover plate (8) and the upper pressing portion (51). The structure has an excellent vibration absorbing effect.

Description

一种矿用自卸车动力总成隔振器 技术领域  Mine dump truck powertrain vibration isolator
本发明涉及矿用自卸车， 特别是矿用自卸车动力总成隔振器。 背景技术  The invention relates to a mine dump truck, in particular to a mine dump truck powertrain vibration isolator. Background technique
对于矿用自卸车来说， 其工作环境比较复杂， 因此， 动力总成的减 振性能好坏非常的重要。 现有的减振结构都是采用橡胶块， 但结构各有 不同， 因此， 最终的减振效果也不同。 如在申请号为 201220310700.7授 权公告日为 2013.2.27的专利文献中公开了一种柴油机发电机组减震垫， 具体包括底座、 凸台、 橡胶块、 钢板、 螺纹孔和螺栓， 底座上两侧设有 凸台， 凸台一侧设有橡胶块， 橡胶块上下两侧设有钢板， 橡胶块上设有 螺纹孔， 底座与橡胶块通过螺栓连接。 该减震垫虽然起到了减震效果， 但为了更好的保护柴油机发电机组和减小噪音， 减震性能还有待提高。 发明内容  For mining dump trucks, the working environment is more complicated. Therefore, the vibration damping performance of the powertrain is very important. The existing damping structures are all made of rubber blocks, but the structures are different, so the final damping effect is also different. A diesel generator set cushion is disclosed in the patent document No. 201220310700.7, which is issued on the Japanese Patent Publication No. 201220310700.7, specifically including a base, a boss, a rubber block, a steel plate, a threaded hole and a bolt, and the two sides of the base are provided. There is a boss, a rubber block is arranged on one side of the boss, a steel plate is arranged on the upper and lower sides of the rubber block, and a screw hole is arranged on the rubber block, and the base and the rubber block are connected by bolts. Although the cushion has a shock absorption effect, in order to better protect the diesel generator set and reduce noise, the shock absorption performance needs to be improved. Summary of the invention
为了提高减振效果， 提高整车的舒适性， 更好的保护矿用自卸车动 力总成支座和减小噪音， 本发明提供了一种矿用自卸车动力总成隔振器。  In order to improve the vibration damping effect, improve the comfort of the whole vehicle, better protect the mining dump truck powertrain support and reduce noise, the present invention provides a mine dump truck powertrain vibration isolator.
为达到上述目的， 一种矿用自卸车动力总成隔振器， 包括托筒， 所 述的托筒包括筒体及承载凸缘， 承载凸缘自筒体的上边缘向外侧弯折延 伸； 在托筒上设有减振橡胶块， 所述的减振橡胶块包括下承载部和上承 载部， 下承载部设置在筒体内， 上承载部的边缘自下承载部的上边缘向 外侧延伸形成橡胶凸缘， 橡胶凸缘由承载凸缘承载， 上承载部的上表面 为球面形， 在减振橡胶块上设有通孔； 通孔穿过有螺杆； 螺杆的中部套 设有上压块， 所述的上压块包括上伸入部及上压制部， 上伸入部和上压 制部形成台阶， 上伸入部的下端插入到通孔内， 在上插入部上位于上压 制部和上承载部之间套有压板， 在螺杆的上端安装有上盖板， 上盖板和 上压制部之间有空间。 In order to achieve the above object, a mine dump truck powertrain vibration isolator comprises a bracket, the bracket comprises a cylinder body and a bearing flange, and the bearing flange is bent outward from the upper edge of the cylinder body. A vibration damping rubber block is disposed on the bracket, the vibration damping rubber block includes a lower bearing portion and an upper bearing portion, and the lower bearing portion is disposed in the cylinder body, and an edge of the upper bearing portion is from an upper edge to an outer side of the lower bearing portion Extending to form a rubber flange, the rubber flange is carried by the bearing flange, the upper surface of the upper bearing portion is spherical, and a through hole is formed in the vibration damping rubber block; the through hole passes through the screw; the middle portion of the screw is sleeved The upper pressing block includes an upper extending portion and an upper pressing portion, and the upper protruding portion and the upper pressing portion form a step, the lower end of the upper protruding portion is inserted into the through hole, and the upper insertion portion is located at the upper pressing portion A pressing plate is sleeved between the forming portion and the upper carrying portion, and an upper cover is mounted on the upper end of the screw, and a space is formed between the upper cover and the upper pressing portion.
作为改进， 在螺杆和减振橡胶块之间套有套筒。  As an improvement, a sleeve is placed between the screw and the damping rubber block.
作为改进， 在螺杆的下端设有下压块， 下压块包括下伸入部及下连 接部， 下伸入部伸入到套筒内， 下连接部被套筒抵挡。  As a modification, a lower pressing block is provided at the lower end of the screw, and the lower pressing block includes a lower extending portion and a lower connecting portion, the lower projecting portion projects into the sleeve, and the lower connecting portion is resisted by the sleeve.
作为改进， 下承载部的下端伸出托筒下端部， 且下承载部的伸出端 呈锥台型。  As an improvement, the lower end of the lower carrying portion projects from the lower end of the barrel, and the extended end of the lower carrying portion has a frustum type.
本发明的有益效果是： 由于设置了托筒， 且减振橡胶块由下承载部 和上承载部组成， 下承载部设置在托筒内， 上承载部由托筒承载， 矿用 自卸车动力总成安装到上压块和上盖板之间后， 当矿用自卸车动力总成 受到振动后， 上承载部和下承载部都会变形， 但因上承载部的顶面为球 面形， 且上承载部的橡胶凸缘由承载凸缘承载， 这样， 上承载部的中部 先受到力并将力传递到下承载部， 由上下承载部的同时变形来缓冲振动， 当减振橡胶块变形到一定程度后， 上承载部的变形量大于下承载部的变 形量， 因此， 整个隔振器起到了线性的缓冲作用， 减振的效果好， 还可 以防止共振， 以提高整车的舒适性， 更好的保护矿用自卸车动力总成支 座和减小噪音。 由于下承载部的伸出端呈锥台型， 这样下承载部的中部 抗变形能力好， 减振效果好。 附图说明  The beneficial effects of the present invention are: Since the bracket is provided, and the vibration damping rubber block is composed of the lower bearing portion and the upper bearing portion, the lower bearing portion is disposed in the bracket, and the upper bearing portion is carried by the bracket, the mining dump truck power After the assembly is installed between the upper pressing block and the upper cover, when the mining dump truck power assembly is vibrated, the upper carrying portion and the lower carrying portion are deformed, but the top surface of the upper carrying portion is spherical, and The rubber flange of the upper bearing portion is carried by the bearing flange, so that the middle portion of the upper bearing portion receives the force first and transmits the force to the lower bearing portion, and the vibration is buffered by the simultaneous deformation of the upper and lower bearing portions, and the vibration damping rubber block is deformed to a certain extent. After the degree, the deformation amount of the upper bearing portion is larger than the deformation amount of the lower bearing portion. Therefore, the entire vibration isolator acts as a linear buffering effect, the vibration damping effect is good, and resonance can be prevented to improve the comfort of the whole vehicle. Good protection of mine dump truck powertrain bearings and noise reduction. Since the protruding end of the lower bearing portion has a frustum type, the middle portion of the lower bearing portion has good deformation resistance and good vibration damping effect. DRAWINGS
图 1为本发明的分解图。  Figure 1 is an exploded view of the present invention.
图 2为本发明的剖视图。  Figure 2 is a cross-sectional view of the present invention.
图 3为本发明的仰视图。 具体实施方式  Figure 3 is a bottom plan view of the present invention. detailed description
下面结合附图和具体实施方式对本发明进行进一歩详细说明。  The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
如图 1至图 3所示，矿用自卸车动力总成隔振器包括托筒 1、减振 胶块 2、 套筒 3、 螺杆 4、 上压块 5、 下压块 6、 压板 7、 上盖板 8、 螺母 9。 As shown in Figure 1 to Figure 3, the mine dump truck powertrain isolators include the carrier 1 and the vibration reduction. The rubber block 2, the sleeve 3, the screw 4, the upper pressing block 5, the lower pressing block 6, the pressing plate 7, the upper cover 8, and the nut 9.
托筒 1包括筒体 11及承载凸缘 12，承载凸缘 12自筒体 11的上边缘 向外侧弯折延伸， 在承载凸缘 12上设有安装孔 121， 用于将托筒 1固定 到车架上。  The carrier 1 includes a cylinder 11 and a bearing flange 12. The bearing flange 12 is bent outwardly from the upper edge of the cylinder 11. The mounting flange 12 is provided with a mounting hole 121 for fixing the bracket 1 Go to the frame.
减振橡胶块 2包括下承载部 21和上承载部 22， 下承载部 21设置在 筒体 11 内， 上承载部 22的边缘自下承载部的上边缘向外侧延伸形成橡 胶凸缘 221，橡胶凸缘 221由承载凸缘 12承载，上承载部 22的上表面为 球面形，在减振橡胶块上设有通孔 23。下承载部 21的下端伸出托筒下端 部， 且下承载部的伸出端呈锥台型。  The vibration damping rubber block 2 includes a lower bearing portion 21 and an upper bearing portion 22, and the lower bearing portion 21 is disposed in the cylindrical body 11. The edge of the upper bearing portion 22 extends outward from the upper edge of the lower bearing portion to form a rubber flange 221, rubber The flange 221 is carried by the carrier flange 12, and the upper surface of the upper carrier portion 22 is spherical, and a through hole 23 is provided in the vibration damping rubber block. The lower end of the lower carrying portion 21 projects from the lower end of the barrel, and the extended end of the lower carrying portion has a frustum type.
套筒 2设置在通孔 23内， 且套筒 2的上端伸出托筒 1的上端， 套筒 2的上端与减振橡胶块上端等高，套筒 2的下端伸出托筒 1的下端，套筒 2的下端与减振橡胶块下端等高。  The sleeve 2 is disposed in the through hole 23, and the upper end of the sleeve 2 protrudes from the upper end of the barrel 1, the upper end of the sleeve 2 is equal to the upper end of the vibration damping rubber block, and the lower end of the sleeve 2 protrudes from the lower end of the barrel 1. The lower end of the sleeve 2 is equal to the lower end of the damping rubber block.
所述的螺杆 4穿过通孔套筒 3。所述的上压块 5安装在螺杆 4的中部， 上压块 5包括上伸入部 52及上压制部 51， 上伸入部 52和上压制部 51 形成台阶， 上伸入部 52的下端插入到套筒 3内， 在上插入部 52上位于 上压制部 51和上承载部 22之间套有所述的压板 7，在螺杆 4的上端通过 螺母 9安装有上盖板 8，上盖板 8和上压制部之间有空间，用于安装矿用 自卸车动力总成。  The screw 4 passes through the through hole sleeve 3. The upper pressing block 5 is installed at the middle of the screw 4, and the upper pressing block 5 includes an upper extending portion 52 and an upper pressing portion 51. The upper protruding portion 52 and the upper pressing portion 51 form a step, and the lower end portion of the upper protruding portion 52 Inserted into the sleeve 3, the upper platen portion 51 is sleeved between the upper pressing portion 51 and the upper carrier portion 22, and the upper plate 8 is attached to the upper end of the screw 4 by the nut 9 There is a space between the plate 8 and the upper pressing portion for installing the mining dump truck powertrain.
下压块 6包括下伸入部 61及下连接部 62， 下伸入部 61伸入到套筒 内， 下连接部 62被套筒抵挡， 螺杆穿过下压块 6。  The lower pressing block 6 includes a lower extending portion 61 and a lower connecting portion 62. The lower extending portion 61 projects into the sleeve, the lower connecting portion 62 is resisted by the sleeve, and the screw passes through the lower pressing block 6.
在本发明中， 由于设置了托筒 1， 且减振橡胶块 2由下承载部 21和 上承载部 22组成， 下承载部 21设置在托筒 1内， 上承载部 22由承载凸 缘 221承载， 矿用自卸车动力总成安装到上压块 5和上盖板 8之间， 当 矿用自卸车动力总成受到振动后， 上压块 5先压制到压板 7上， 压板 7 作用到减振橡胶块 2上。但因上承载部 22的顶面为球面形， 且上承载部 22的橡胶凸缘 221由承载凸缘承载，这样，上承载部 22的中部先受到力 并将力传递到下承载部 21， 由上、 下承载部的同时变形来缓冲振动， 当 减振橡胶块变形到一定程度后， 上承载部 22将承载更大的力， 而由于上 承载部 22的结构， 使得整个隔振器起到了线性的缓冲作用， 减振的效果 好， 还可以防止共振， 以提高整车的舒适性， 更好的保护矿用自卸车动 力总成支座和减小噪音。 由于下承载部的伸出端呈锥台型， 这样下承载 部的中部抗变形能力好， 减振效果好。 另外， 矿用自卸车在路面坑挖行 驶时， 矿用自卸车会上下颠簸， 利用本发明的隔振器能起到缓冲减震作 用， 隔振器可将动力总成牢牢固定在车架上， 起到保护动力总成的作用。 In the present invention, since the carrier 1 is provided, and the vibration damping rubber block 2 is composed of the lower carrier portion 21 and the upper carrier portion 22, the lower carrier portion 21 is disposed in the carrier tube 1, and the upper carrier portion 22 is provided by the carrier flange 221 The load-bearing, mining dump truck power assembly is installed between the upper pressing block 5 and the upper cover plate 8. When the mining dump truck power assembly is vibrated, the upper pressing block 5 is first pressed onto the pressing plate 7, and the pressing plate 7 acts on Damping the rubber block 2 on. However, since the top surface of the upper carrying portion 22 is spherical, and the rubber flange 221 of the upper carrying portion 22 is carried by the bearing flange, the middle portion of the upper carrying portion 22 is subjected to force first. And transmitting the force to the lower bearing portion 21, the vibration is buffered by the simultaneous deformation of the upper and lower bearing portions. When the damping rubber block is deformed to a certain extent, the upper bearing portion 22 will carry a greater force, and the upper bearing portion The structure of 22 makes the whole vibration isolator play a linear buffering effect, and the vibration damping effect is good. It can also prevent resonance, improve the comfort of the whole vehicle, and better protect the power dump bearing support and mining of the dump truck. Small noise. Since the protruding end of the lower bearing portion has a frustum type, the middle portion of the lower bearing portion has good deformation resistance and good vibration damping effect. In addition, when the mining dump truck is driven in the road pit, the mining dump truck will bump up and down, and the vibration isolator can be used to cushion the shock absorber, and the vibration isolator can firmly fix the power assembly to the frame. On, to protect the powertrain.

Claims

权 利 要 求 书 Claim
1.一种矿用自卸车动力总成隔振器， 其特征在于： 包括托筒， 所述 的托筒包括筒体及承载凸缘， 承载凸缘自筒体的上边缘向外侧弯折延伸； 在托筒上设有减振橡胶块，所述的减振橡胶块包括下承载部和上承载部， 下承载部设置在筒体内， 上承载部的边缘自下承载部的上边缘向外侧延 伸形成橡胶凸缘， 橡胶凸缘由承载凸缘承载， 上承载部的上表面为球面 形， 在减振橡胶块上设有通孔； 通孔穿过有螺杆； 螺杆的中部套设有上 压块， 所述的上压块包括上伸入部及上压制部， 上伸入部和上压制部形 成台阶， 上伸入部的下端插入到通孔内， 在上插入部上位于上压制部和 上承载部之间套有压板， 在螺杆的上端安装有上盖板， 上盖板和上压制 部之间有空间。 A mine dump truck powertrain vibration isolator, comprising: a bracket, the bracket comprises a cylinder body and a bearing flange, and the bearing flange is bent outward from an upper edge of the cylinder body Extending; a damping rubber block is disposed on the bracket, the damping rubber block includes a lower bearing portion and an upper bearing portion, and the lower bearing portion is disposed in the cylinder body, and an edge of the upper bearing portion is from an upper edge of the lower bearing portion The outer side extends to form a rubber flange, the rubber flange is carried by the bearing flange, the upper surface of the upper bearing portion is spherical, and the through hole is provided on the vibration damping rubber block; the through hole passes through the screw; the middle portion of the screw is sleeved a pressing block, the upper pressing block includes an upper extending portion and an upper pressing portion, wherein the upper protruding portion and the upper pressing portion form a step, the lower end of the upper protruding portion is inserted into the through hole, and the upper insertion portion is located on the upper pressing portion A pressing plate is sleeved between the portion and the upper carrying portion, and an upper cover is mounted on the upper end of the screw, and a space is formed between the upper cover and the upper pressing portion.
2.根据权利要求 1所述的矿用自卸车动力总成隔振器， 其特征在于： 在螺杆和减振橡胶块之间套有套筒。  2. The mine dump truck powertrain isolator according to claim 1, wherein: a sleeve is sleeved between the screw and the damping rubber block.
3.根据权利要求 2所述的矿用自卸车动力总成隔振器， 其特征在于： 在螺杆的下端设有下压块， 下压块包括下伸入部及下连接部， 下伸入部 伸入到套筒内， 下连接部被套筒抵挡。  The mine dump truck powertrain vibration isolator according to claim 2, wherein: a lower pressing block is arranged at a lower end of the screw, and the lower pressing block comprises a lower extending portion and a lower connecting portion, and the lower protruding portion The portion projects into the sleeve and the lower joint is resisted by the sleeve.
4.根据权利要求 1所述的矿用自卸车动力总成隔振器， 其特征在于： 下承载部的下端伸出托筒下端部， 且下承载部的伸出端呈锥台型。  The mine dump truck powertrain isolator according to claim 1, wherein a lower end of the lower bearing portion protrudes from a lower end portion of the bracket, and a protruding end of the lower bearing portion has a frustum shape.
PCT/CN2014/080787 2013-07-31 2014-06-26 Dumper power assembly vibration isolator for mine WO2015014183A1 (en)

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