WO2012149816A1 - 混凝土搅拌车 - Google Patents

混凝土搅拌车 Download PDF

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Publication number
WO2012149816A1
WO2012149816A1 PCT/CN2011/081761 CN2011081761W WO2012149816A1 WO 2012149816 A1 WO2012149816 A1 WO 2012149816A1 CN 2011081761 W CN2011081761 W CN 2011081761W WO 2012149816 A1 WO2012149816 A1 WO 2012149816A1
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WO
WIPO (PCT)
Prior art keywords
concrete mixer
bracket
mixer truck
spring
chassis
Prior art date
Application number
PCT/CN2011/081761
Other languages
English (en)
French (fr)
Inventor
赵彦
田娟
韩术亭
Original Assignee
北汽福田汽车股份有限公司
北京智科投资管理有限公司
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.)
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Application filed by 北汽福田汽车股份有限公司, 北京智科投资管理有限公司 filed Critical 北汽福田汽车股份有限公司
Publication of WO2012149816A1 publication Critical patent/WO2012149816A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/42Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
    • B28C5/4203Details; Accessories
    • B28C5/4206Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
    • B28C5/421Drives
    • B28C5/4217Drives in combination with drum mountings; Drives directly coupled to the axis of rotating drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/42Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
    • B28C5/4203Details; Accessories
    • B28C5/4265Mounting means for drums; Support frames

Definitions

  • the present invention relates to a concrete mixing and transporting machine, and more particularly to a concrete mixer truck. Background technique
  • FIG. 1 is a schematic view showing the upper part of a conventional concrete mixer truck.
  • the upper portion 100 of the existing concrete mixer truck generally includes a sub beam 1 1 , a front bracket 12 , a speed reducer 13 , a stirring tank 14 , a guide rail 15 , a carrier 16 , and a rear bracket 17 .
  • the auxiliary beam 11 is fastened to the beam of the automobile chassis 200 through a connecting member, and the front bracket 12 and the rear bracket 17 are respectively fastened to the front and rear ends of the auxiliary beam 11.
  • the base of the speed reducer 13 is fixed by a plurality of high-strength bolts.
  • the output flange of the speed reducer 13 is connected to the front end of the agitating tank 14 by bolts, and the rear end of the agitating tank 14 is placed on the left and right symmetrically arranged two idlers 16 through the guide rails 15 provided on the agitating tank 14.
  • Upper, the roller 16 is mounted and fastened to the upper surface of the rear bracket 17.
  • the power supplied from the chassis engine is transmitted to the speed reducer through the hydraulic pump and the motor 13, and the speed reducer 13 supports the front end of the stirring tank 14, and drives the stirring tank 14 to rotate forward and reverse.
  • the rear end of the agitating tank 14 is supported by the idler 16 via the guide rail 15, since the guide rail 15 and the idler 16 are both circular and rollable with each other, so that the agitating tank 14 can be supported by the speed reducer 13 and the idler 16 Rotate around its axis of rotation.
  • an object of the present invention is to provide a concrete mixer truck which can effectively buffer the impact force and vibration of concrete in a stirred tank.
  • the present invention mainly provides a concrete mixer truck, comprising a chassis and an upper part fixed to the chassis, the upper part comprising a reducer, a stirring tank, a guide rail, a supporting wheel, a front bracket, a rear bracket and at least one elastic damping device, the front
  • the bracket and the rear bracket are connected to the sub-frame on the chassis or the chassis, and the speed reducer is disposed on the front bracket and connected to one end of the stirring tank for driving the stirring tank to rotate, the rail is disposed at the other end of the stirring tank, and A part of the guide rail is in contact with the supporting wheel, so that the supporting wheel supports the rotating tank, the supporting wheel is disposed on the rear bracket, and the at least one elastic damping device is disposed between the speed reducer and the front bracket or/and the bracket
  • the elastic damper device comprises a base, a spring and a connecting pad, the base being connected with the front bracket or the rear bracket, the connecting mat being connected with the reducer or the supporting roller, the spring being located between
  • the base includes a body portion and a mount, the spring being disposed within the body portion, the mount extending outwardly from one end of the body portion.
  • the main body portion is cylindrical, and an end of the main body portion away from the fixing seat is open, and an end close to the fixing seat is closed.
  • the fixing base is provided with a fixing hole for fixing the elastic damper to the front bracket or the rear bracket
  • the connecting mat is provided with a mounting hole for the reducer or the supporting wheel Fixed to the elastic damping device.
  • the base further includes a column extending from one end of the main body portion adjacent to the fixing base to the other end, and the spring and the connecting pad are sleeved on the column.
  • the elastic damper device further includes a pressure plate disposed between the spring and the connection pad.
  • the spring is a disc spring.
  • the springs are assembled in a combined manner to form a disc spring assembly.
  • connection pad is a rubber cushion.
  • the impact force and vibration of the upper part of the chassis are greatly weakened during the use of the concrete mixer truck, and the upper part and the chassis are protected at the same time.
  • the elastic damping structure when the concrete mixer truck is working, the impact of the heavy-duty rotation of the mixing tank on the whole vehicle is reduced, which increases the life and safety of the whole vehicle.
  • the elastic damper device buffers the impact force and vibration of the concrete mixer truck, the stability of the cab is improved, and the driver feels more comfortable at work.
  • Fig. 2 is a schematic view showing an embodiment of the upper portion of the concrete mixer truck of the present invention.
  • Fig. 3 is a schematic view showing the elastic damper device of Fig. 2.
  • FIG. 4 is a top plan view of the elastic damper device of FIG. 3. detailed description
  • the concrete mixer truck of the present invention includes an upper portion 300 and an automobile chassis 400 which is fixed to the automobile chassis 400 for providing agitated concrete.
  • Fig. 2 is a schematic view showing an embodiment of the upper portion of the concrete mixer truck of the present invention.
  • the body loading portion 300 may include a sub beam 31, a front bracket 32, a speed reducer 33, a stirring tank 34, a guide rail 35, a carrier 36, a rear bracket 37, and a plurality of elastic damper devices 38.
  • the sub-beams 3 1 are fastened to the vehicle chassis 400 through the connecting members, and the front bracket 32 and the rear bracket 37 are respectively fastened to the front and rear ends of the sub-beam 31, and the base of the speed reducer 33 passes through the elasticity disposed under the speed reducer 33.
  • the damper device 38 is fixed to the front bracket 32, and the output flange of the reducer 33 is connected to the front end of the agitating tank 34 by bolts, and the rear end of the agitating tank 34 is placed symmetrically arranged by the guide rail 35 provided on the agitating tank 34.
  • each of the idlers 36 is fastened to the upper surface of the rear bracket 37 by an elastic damper 38 provided below the idler 36.
  • the agitating tank 34 is an olive-shaped steel tank body in which blades are welded, and the concrete moves in the spiral direction of the blades during rotation, and is mixed and stirred during continuous lifting and turning.
  • the agitating tank 34 rotates forward, and the concrete moves inward along the blades.
  • the guide rail 35 is a circular guide rail 35 welded to the outer ring of the rear end of the agitating tank 34. Both sides of the lower end are in contact with the supporting wheel 36.
  • the supporting wheel 36 is a circular wheel body made of steel, and a rolling bearing is mounted in the wheel body.
  • the elastic damper device 38 disposed between the front bracket 32 and the speed reducer 33 has the same structure as the elastic damper device 38 provided between the idler 26 and the rear bracket 37, and only one of the elastic layers is provided below.
  • the damper device will be described as an example.
  • 3 and 4 are schematic views of the elastic damper device of Fig. 2.
  • the elastic damper device 38 includes a base 381, a spring 382, a pressure plate 383, and a connection pad 384.
  • the base 381 has a cylindrical main body portion 381 a.
  • the upper end opening and the lower end of the main body portion 381a are closed, and the lower end of the main body portion 381a extends outward to form an annular fixing seat 381b perpendicular to the main body portion 381a.
  • Four fixing holes 381 c are evenly distributed on the fixing base 381b in the circumferential direction. Fixing elements such as screws can be inserted into the fixing holes 381 c to fix the elastic damper device 38 to the corresponding bracket.
  • the central portion of the lower end of the main body portion 381a extends upward to form a column 381d which is perpendicular to the fixing base 381b.
  • the spring 382 is sleeved on the column 381d, and the lowermost end thereof abuts against the bottom of the main body portion 381a.
  • the spring 382 is a disc spring, and the disc spring adopts a combination of two, two The two butt joints form a disc spring assembly.
  • the pressing plate 383 is sleeved on the upper part of the column 381 d and is pressed above the uppermost disc spring 382.
  • the connecting pad 384 is sleeved on the top of the column 381d and is placed on top of the pressing plate 383.
  • the connecting pad 384 is a rubber cushion, and the pressing plate 383 and the connecting pad 384 are evenly distributed in the circumferential direction.
  • Four mounting holes 385 are distributed to fix the reducer 33 or the idler 36 to the elastic damper 38.
  • the power provided by the engine of the chassis 400 is transmitted to the speed reducer 33 via the hydraulic pump and the motor, and the speed reducer 33 supports the front end of the stirring tank 34, and drives the stirring tank 34 to rotate forward and reverse, and at the same time,
  • the wheel 36 supports the rear end of the guide rail 35 and the agitating tank 34, and rotates with the rotation of the agitating tank 34 and the guide rail 35, so that the entire agitating tank 34 is rotated forward or reversed.
  • the impact force and vibration received by the speed reducer 33 and the idler 36 are buffered and absorbed by the elastic damper 38 connected thereto, and then transmitted to the vehicle chassis 400.
  • the present invention is provided with an elastic damping device between the front bracket and the speed reducer and between the rear bracket and the supporting roller. It can be understood that in other embodiments of the present invention, the front bracket can be eliminated. An elastic damper between the reducers or between the rear bracket and the idler, and an elastic damper is provided only between the rear bracket and the idler or between the front bracket and the reducer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Description

混凝土搅拌车
技术领域
本发明有关于一种混凝土搅拌运输机械, 特别是有关于一种混凝 土搅拌车。 背景技术
图 1所示为现有的一种混凝土搅拌车的上装部分的示意图。 如图 1所示, 现有混凝土搅拌车的上装部分 100通常包括副梁 1 1、 前支架 12、 减速器 13、 搅拌罐 14、 导轨 15、 托轮 16以及后支架 17。 其中, 副梁 1 1通过连接件紧固在汽车底盘 200的大梁上, 前支架 12和后支 架 17分别紧固在副梁 1 1的前后两端,减速器 13的底座通过多个高强 螺栓固定在前支架 12上, 减速器 13的输出法兰通过螺栓与搅拌罐 14 的前端连接,搅拌罐 14的后端通过设于搅拌罐 14上的导轨 15放置在 左右对称布置的两个托轮 16上,托轮 16安装紧固在后支架 17的上表 面。
混凝土搅拌车进行工作时, 由底盘发动机提供的动力经过液压泵、 马达传输至减速器 13, 减速器 13支承搅拌罐 14的前端, 并驱动搅拌 罐 14正转和反转。 搅拌罐 14的后端经导轨 15被托轮 16支承, 因导 轨 15与托轮 16均为圆形, 相互之间可滚动, 而使得搅拌罐 14可在减 速器 13和托轮 16的支撑下绕其旋转轴转动。
然而, 在上述混凝土搅拌车工作时, 为保证混凝土的质量, 防止 混凝土凝固, 搅拌罐在工作过程中不能停止旋转, 而混凝土属于半流 体, 在搅拌罐旋转时混凝土的运动状态复杂而不稳定, 使得混凝土搅 拌车的上装部分的重心容易产生偏移。 并且, 混凝土搅拌车在行进过 程中, 特别是在刹车、 上下坡状态下, 搅拌罐内的混凝土会产生较大 的冲击力和震动, 并通过前支架和后支架传导至副梁和汽车的底盘大 梁, 影响整车的寿命和安全性, 同时影响驾驶舒适性。 发明内容
有鉴于此, 本发明的目的是提供一种可有效缓冲搅拌罐中混凝土 的冲击力和震动的混凝土搅拌车。
本发明主要提供一种混凝土搅拌车, 包括底盘和固定于底盘的上 装部分, 该上装部分包括减速器、 搅拌罐、 导轨、 托轮、 前支架、 后 支架以及至少一弹性减震装置, 该前支架和后支架与底盘或者底盘上 的副车架相连, 该减速器设于前支架上, 且与搅拌罐的一端相连, 用 于驱动搅拌罐转动, 该导轨设于搅拌罐的另一端, 且该导轨的一部分 与托轮相接触, 令托轮支撑该搅拌罐转动, 所述托轮设于后支架上, 该至少一弹性减震装置设于该减速器与前支架之间或 /和该托轮与后 支架之间, 该弹性减震装置包括底座、 弹簧以及连接垫, 该底座与前 支架或后支架相连, 该连接垫与减速器或托轮相连, 该弹簧位于底座 和连接垫之间。
在本发明的一个实施例中, 该底座包括主体部以及固定座, 该弹 簧设于主体部内, 该固定座由主体部的一端向外延伸。
在本发明的一个实施例中, 该主体部为筒状, 且主体部的远离固 定座的一端开口, 靠近固定座的一端封闭。
在本发明的一个实施例中, 该固定座上设有固定孔, 用于将弹性 减震装置固定至前支架或后支架上, 该连接垫上设有安装孔, 用于将 减速器或托轮固定至弹性减震装置上。
在本发明的一个实施例中, 该底座还包括一立柱, 该立柱由主体 部靠近固定座的一端向另一端延伸, 该弹簧及连接垫套设于立柱上。 在本发明的一个实施例中, 该弹性减震装置还包括一压板, 该压 板设于弹簧和连接垫之间。
在本发明的一个实施例中, 该弹簧为碟形弹簧。
在本发明的一个实施例中, 该弹簧采用对合的组合方式组成碟簧 组合件。
在本发明的一个实施例中, 该连接垫为橡胶减震垫。
在上述混凝土搅拌车中, 由于弹性减震装置的缓冲作用, 使得混 凝土搅拌车使用过程中,上装部分对底盘的冲击力和震动都大大减弱, 同时保护了上装部分和底盘。 另外, 由于采用弹性的减振结构, 将混 凝土搅拌车工作时, 因搅拌罐重载转动对整车的影响减少, 增加了整 车的寿命和安全性。 并且, 由于弹性减振装置缓冲了混凝土搅拌车所 受到的冲击力和震动, 使得驾驶室的平稳性趋好, 令驾驶人员工作中 会感到更舒适。
上述说明仅是本发明技术方案的概述, 为了能够更清楚了解本发 明的技术手段, 而可依照说明书的内容予以实施, 并且为了让本发明 的上述和其他目的、 特征和优点能够更明显易懂, 以下特举较佳实施 例, 并配合附图, 详细说明如下。 附图说明 图 1所示为现有的一种混凝土搅拌车的上装部分的示意图。
图 2所示为本发明混凝土搅拌车的上装部分的一个实施例的示意 图 3所示为图 2中弹性减震装置的示意图。
图 4所示为图 3所示弹性减震装置的俯视示意图。 具体实施方式
为更进一步阐述本发明为达成预定发明目的所采取的技术手段及 功效, 以下结合附图及较佳实施例, 对依据本发明提出的混凝土搅拌 车其具体实施方式、 结构、 特征及其功效, 详细说明如后。
本发明的混凝土搅拌车包括上装部分 300 和汽车底盘 400, 该上 装部分 300固定至汽车底盘 400上, 用于提供搅拌好的混凝土。
图 2所示为本发明混凝土搅拌车的上装部分的一个实施例的示意 图。 如图 2所示, 该上装部分 300可以包括副梁 31、 前支架 32、 减速 器 33、 搅拌罐 34、 导轨 35、 托轮 36、 后支架 37以及多个弹性减震装 置 38。 其中, 副梁 3 1通过连接件紧固在汽车底盘 400上, 前支架 32 和后支架 37分别紧固在副梁 31的前后两端,减速器 33的底座通过设 于减速器 33下方的弹性减震装置 38固定在前支架 32上, 减速器 33 的输出法兰通过螺栓与搅拌罐 34的前端连接, 搅拌罐 34的后端通过 设于搅拌罐 34上的导轨 35放置在左右对称布置的两个托轮 36上,每 个托轮 36通过设于托轮 36下方的弹性减震装置 38紧固在后支架 37 的上表面。 在此需要说明的是, 目前大多数混凝土搅拌车都具有副梁 (亦可称之为副车架), 但是也有少数混凝土搅拌车不具有副车架, 而 是直接将上装部分安装到汽车底盘上,针对这两种情况本发明都适用。
本实施例中,搅拌罐 34为橄榄型的钢制罐体,其内部焊接有叶片, 转动时混凝土沿叶片的螺旋方向运动, 在不断的提升和翻动过程中受 到混合和搅拌。 在进料及运输过程中, 搅拌罐 34正转, 混凝土沿叶片 向里运动, 出料时, 搅拌罐 34反转, 混凝土沿着叶片向外卸出。 导轨 35为焊接在搅拌罐 34后端外圈的圆形导轨 35, 其下端的两侧与托轮 36接触, 托轮 36 为钢制的圆形轮体, 轮体内安装有滚动轴承, 令托 轮 36可绕其中心轴旋转。 本发明中, 设于前支架 32和减速器 33之间的弹性减震装置 38与 设于托轮 26和后支架 37之间的弹性减震装置 38具有相同的结构,下 面仅以其中一个弹性减震装置为例进行说明。 图 3及图 4为图 2中弹 性减震装置的示意图。 如图 3及图 4所示, 弹性减震装置 38包括底座 381、 弹簧 382、 压板 383 以及连接垫 384。 其中, 底座 381具有一圆 筒状的主体部 381 a, 该主体部 381a 的上端开口、 下端封闭, 且主体 部 381a 的下端向外延伸形成一垂直于主体部 381a 的环形的固定座 381b , 该固定座 381b 上沿圆周方向均匀分布四个固定孔 381 c, 该固 定孔 381 c 内可穿设螺钉等固定元件, 将弹性减震装置 38固定至对应 的支架上。 该主体部 381a 的下端中部向上延伸形成一立柱 381 d, 该 立柱 381 d垂直于固定座 381 b。 该弹簧 382套设于所述立柱 381 d上, 且其最下端与主体部 381a的底部相抵靠, 本实施例中, 弹簧 382为碟 形弹簧, 该碟形弹簧采用对合的组合方式, 两两对接形成碟簧组合件。 该压板 383套设于立柱 381 d上部,且压设于最上方的碟形弹簧 382上 方。上述连接垫 384套设于立柱 381 d顶端,且叠置于压板 383的上方, 本实施例中, 所述连接垫 384为橡胶减震垫, 且该压板 383和连接垫 384上沿圆周方向均匀分布四个安装孔 385,将减速器 33或托轮 36固 定至该弹性减震装置 38上。
上述的混凝土搅拌车工作时, 由底盘 400发动机提供的动力经过 液压泵、 马达传输至减速器 33, 减速器 33支承搅拌罐 34的前端, 并 驱动搅拌罐 34正转和反转, 同时, 托轮 36支承导轨 35和搅拌罐 34 的后端, 并随着搅拌罐 34和导轨 35的转动而转动, 使得整个搅拌罐 34正转或反转。 在上述过程中, 减速器 33和托轮 36所受的冲击力和 震动通过与其相连的弹性减震装置 38 缓冲、 吸收后再传入汽车底盘 400。 在上述混凝土搅拌车中, 由于弹性减震装置的缓冲作用, 使得混 凝土搅拌车使用过程中,上装部分对底盘的冲击力和震动都大大减弱, 同时保护了上装部分和底盘。 另外, 由于采用弹性的减振结构, 将混 凝土搅拌车工作时, 因搅拌罐重载转动对整车的影响减少, 增加了整 车的寿命和安全性。 并且, 由于弹性减振装置缓冲了混凝土搅拌车所 受到的冲击力和震动, 使得驾驶室的平稳性趋好, 令驾驶人员工作中 会感到更舒适。
在上述实施例中, 本发明在前支架与减速器之间以及后支架与托 轮之间分别设置有弹性减震装置, 可以理解的, 在本发明的其它实施 例中, 可以取消前支架与减速器之间或者后支架与托轮之间的弹性减 震装置, 而仅在后支架与托轮之间或者前支架与减速器之间设置弹性 减震装置。
以上所述, 仅是本发明的较佳实施例而已, 并非对本发明作任何 形式上的限制, 虽然本发明已以较佳实施例揭露如上, 然而并非用以 限定本发明, 任何熟悉本专业的技术人员, 在不脱离本发明技术方案 范围内, 当可利用上述揭示的技术内容作出些许更动或修饰为等同变 化的等效实施例, 但凡是未脱离本发明技术方案内容, 依据本发明的 技术实质对以上实施例所作的任何简单修改、 等同变化与修饰, 均仍 属于本发明技术方案的范围内。

Claims

权利要求
1. 一种混凝土搅拌车, 包括底盘和固定于底盘的上装部分, 该上 装部分包括减速器、 搅拌罐、 导轨、 托轮、 前支架和后支架, 该前支 架和后支架与底盘或者底盘上的副车架相连, 该减速器设于前支架上, 且与搅拌罐的一端相连, 用于驱动搅拌罐转动, 该导轨设于搅拌罐的 另一端, 且该导轨的一部分与托轮相接触, 令托轮支撑该搅拌罐转动, 所述托轮设于后支架上, 其特征在于: 该上装部分还包括至少一弹性 减震装置, 该至少一弹性减震装置设于该减速器与前支架之间或 /和该 托轮与后支架之间, 该弹性减震装置包括底座、 弹簧以及连接垫, 该 底座与前支架或后支架相连, 该连接垫与减速器或托轮相连, 该弹簧 位于底座和连接垫之间。
2. 如权利要求 1所述的混凝土搅拌车, 其特征在于: 该底座包括 主体部以及固定座, 该弹簧设于主体部内, 该固定座由主体部的一端 向外延伸。
3. 如权利要求 2所述的混凝土搅拌车, 其特征在于: 该主体部为 筒状, 且主体部的远离固定座的一端开口, 靠近固定座的一端封闭。
4. 如权利要求 2所述的混凝土搅拌车, 其特征在于: 该固定座上 设有固定孔, 用于将弹性减震装置固定至前支架或后支架上, 该连接 垫上设有安装孔, 用于将减速器或托轮固定至弹性减震装置上。
5. 如权利要求 2所述的混凝土搅拌车, 其特征在于: 该底座还包 括一立柱, 该立柱由主体部靠近固定座的一端向另一端延伸, 该弹簧 及连接垫套设于立柱上。
6. 如权利要求 1所述的混凝土搅拌车, 其特征在于: 该弹性减震 装置还包括一压板, 该压板设于弹簧和连接垫之间。
7. 如权利要求 1所述的混凝土搅拌车, 其特征在于: 该弹簧为碟 形弹簧。
8. 如权利要求 7所述的混凝土搅拌车, 其特征在于: 该弹簧采用 对合的组合方式组成碟簧组合件。
9. 如权利要求 1所述的混凝土搅拌车, 其特征在于: 该连接垫为 橡胶减震垫。
PCT/CN2011/081761 2011-05-05 2011-11-03 混凝土搅拌车 WO2012149816A1 (zh)

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