WO2013075448A1 - 一种轮胎压路机及其前轮机构 - Google Patents

一种轮胎压路机及其前轮机构 Download PDF

Info

Publication number
WO2013075448A1
WO2013075448A1 PCT/CN2012/073906 CN2012073906W WO2013075448A1 WO 2013075448 A1 WO2013075448 A1 WO 2013075448A1 CN 2012073906 W CN2012073906 W CN 2012073906W WO 2013075448 A1 WO2013075448 A1 WO 2013075448A1
Authority
WO
WIPO (PCT)
Prior art keywords
front wheel
brake
wheel mechanism
frame
tire
Prior art date
Application number
PCT/CN2012/073906
Other languages
English (en)
French (fr)
Inventor
刘凯
杜斌
段乾坤
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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.)
Filing date
Publication date
Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2013075448A1 publication Critical patent/WO2013075448A1/zh

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/27—Rollers therefor; Such rollers usable also for compacting soil with elastically-deformable rolling elements, e.g. pneumatic tyres

Definitions

  • the present invention relates to the field of construction machinery, and more particularly to a front turbine structure of a tire roller.
  • the invention also relates to a tire roller having the above-described front wheel mechanism.
  • the tire roller is an ideal compaction equipment for the construction of high-grade roads, airports, ports, dams and industrial buildings.
  • the road conditions of the road are complex, not only the smooth road surface, but also some special roads, such as the left and right unequal roads. Inclined road surface and circular road surface.
  • the ergonomics and safety of construction are increasingly valued by various construction units and equipment manufacturers.
  • the road slope is relatively large, and the safety requirements for vehicles are getting higher and higher.
  • the tire roller is developing in the direction of large p-squeezing width, but the brake control of the existing tire roller adopts the rear wheel brake arrangement.
  • the brakes used in this mode do not provide sufficient braking torque, whether drum or disc, which limits the safety of the large p-clamp tire roller.
  • the tire roller is provided with a sufficient braking torque to improve the safety performance of the tire roller.
  • the present invention provides a front wheel mechanism of a tire roller.
  • the front wheel mechanism includes a rocking frame connected to the frame and a front wheel axle connected to the rocking frame.
  • the front wheel axle is provided with a tire, and the front wheel axle is further provided with a brake drum and a brake thereof.
  • the brake is disposed in the brake drum, and the brake is provided with a brake shoe for preventing the brake drum from rotating.
  • the brake drum is coupled to the front wheel shaft through a bearing and a positioning member thereof, and the brake is disposed on the brake base, and the brake seat is coupled to the front wheel shaft via a spline.
  • the rocking frame is connected to the frame by the swivel branch 7
  • rocking frame is hinged to the support by a first pin.
  • front axle is hinged to the rocking frame by a second pin.
  • the front wheel mechanism further includes a turning oil red for driving the rocking frame to rotate relative to the frame.
  • the present invention provides a tire roller, which has the front wheel mechanism according to any of the above.
  • the invention provides a tire roller and a front wheel mechanism thereof, wherein a brake drum and a corresponding brake are arranged on a front wheel axle of a front wheel mechanism, so that a front wheel of the tire roller has a braking function, and a rear wheel system is adopted.
  • the coordination of the moving system (such as sequential braking) can achieve all-wheel braking of the tire roller, so as to provide a sufficient braking torque when braking is required, and improve the safety performance of the tire roller.
  • FIG. 1 is a schematic structural view of a front wheel mechanism of a tire roller according to an embodiment of the present invention
  • Figure 2 is an enlarged schematic view of a portion A in Figure 1;
  • Figure 3 is an enlarged schematic view of a portion B of Figure 1.
  • FIG. 1 is a schematic structural view of a front wheel mechanism of a tire roller according to an embodiment of the present invention
  • FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 , FIG. 3 . It is an enlarged schematic view of part B in Fig. 1.
  • the front wheel mechanism of the present embodiment will be described in detail below with reference to Figs. 1 to 3.
  • the front wheel mechanism includes a rocking frame 1, a slewing bearing and a support 2 (slewing bearing 21 and a support 22), a first pin shaft 3, a steering cylinder 5, a brake 6, a brake drum 7, and a brake.
  • the outer cymbal of the slewing bearing 21 is fixedly connected to the frame 4 by bolts, and the outer cymbal of the slewing bearing 21 is fixedly connected with the support 22 by bolts.
  • the support 22 is hinged to the rocking frame 1 through the first pin shaft 3, and the steering cylinder 5 is It is used to realize that the swinging machine 1 rotates around the first pin shaft 3 with respect to the frame to realize the steering of the wheel, and the two ends thereof are respectively hinged to the rocking frame 1 and the frame 2.
  • the rocking frame 1 is connected to the front wheel axle 9 through three vertical shafts, and the left and right front wheel axles 9 are respectively connected to two tires, and the middle front axle 9 is connected only to one tire, since the pair of wheels on the left and right sides are substantially symmetrical, the left side is
  • the structure on the right side is the same, and only the cross-sectional view of the right side structure is shown in the figure, and only the right side structure will be described here.
  • the front axle 9 and the (vertical shaft of the rocking frame 1 are hinged by the second pin shaft 10, the front wheel axle 9 can be swung by a certain angle with respect to the rocking frame 1, the brake drum 7 is arranged on the mounting seat of the tire, and the brake drum 7 passes through the bearing and
  • the positioning member is connected to the front wheel axle 9, the brake 6 is disposed in the brake drum 7, and the brake 6 is fixedly mounted on the brake seat 8 by bolts.
  • the brake seat 8 is spline-connected to the front axle 10, the brake 6 A brake shoe is provided thereon, which can prevent the brake drum 7 from continuing to rotate when opened, thereby achieving braking of the front wheel.
  • the braking sequence of the front and rear wheels can be set as required.
  • the front and rear wheels can be sequentially braked by designing oil pipes of different lengths.
  • the frame 4 is hinged to the rocking frame 1 through the slewing bearing and the support 2, so that the first stage swing can be realized, and the swing frame 1 and the front wheel axle can be hinged to realize the second season swing, so that During the construction process, the tire can swing up and down with the height of the ground, and automatically adjust at any time, effectively avoiding over-pressure and false pressure on the laminate and improving the compaction effect.
  • the brake drum 7 is connected to the front wheel axle 9 through the bearing and its positioning member, and has the function of the bearing seat, and the overall structure is integrated, thereby improving the space utilization rate in the rim, and also The arrangement of the brakes 6 provides space.
  • the brake 6 is connected to the front wheel axle 9 via the brake base 8, and the friction torque generated during braking can be directly transmitted to the vehicle body.
  • connection structure between the rocking frame 1 and the frame 4 is as described above for illustrative purposes. In other cases, the rocking frame can also be framed by other means as needed. connection. It should be noted that, in the above embodiment, the front wheel mechanism has five wheels, but is not limited thereto, and may be, for example, three, four or six. In addition, only some of the wheels may be needed as needed.
  • the brake drum and its brake are arranged on the top.
  • the front wheel mechanism of the tire roller provided by the embodiment of the invention provides a brake drum and a corresponding brake on the front axle of the front wheel mechanism, so that the front wheel of the tire roller also has a braking function, and the rear wheel
  • the cooperation of the brake system (such as sequential braking) can achieve all-wheel braking of the tire roller, so as to provide a sufficient braking torque when braking is required, and improve the safety performance of the tire roller.
  • the embodiment of the present invention further provides a tire roller having the above-mentioned front wheel mechanism. Since the front wheel mechanism has the above technical effects, the tire roller having the front wheel mechanism should also have corresponding technical effects.
  • the specific implementation process is similar to the above embodiment, and will not be described again.

Abstract

一种轮胎压路机的前轮机构，包括与车架（4）相连的摇摆架（1）以及与摇摆架（1）相连的前轮轴（9），前轮轴（9）上设有轮胎，前轮轴（9）上还设有制动鼓（7）及制动器（6）。该前轮机构通过在前轮轴（9）上设置制动鼓（7）及其相应的制动器（6），使得轮胎压路机的前轮也具有制动功能。还公开了一种具有该前轮机构的轮胎压路机，通过与后轮制动系统的配合，可实现轮胎压路机的全轮制动，以便在需要制动时提供足够大的制动力矩，提高了轮胎压路机的安全性能。

Description

一种轮胎压路机及其前轮机构
本申请要求于 2011 年 11 月 23 日提交中国专利局、 申请号为 201120470766. 8、 发明名称为 "一种轮胎压路机及其前轮机构 " 的中国专 利申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及工程机械技术领域， 特别是涉及一种轮胎压路机的前轮机 构。 本发明还涉及一种具有上述前轮机构的轮胎压路机。
背景技术
轮胎压路机是建设高等级公路、 机场、 港口、 堤坝及工业建筑的理想 压实设备， 其作业的路面路况复杂， 不仅有较为平整的高速路路面， 也有 一些特殊路面， 如左右不等高路面、 倾斜路面和圓弧路面等。
目前， 施工的人机工程性和安全性越来越受到各施工单位和设备制造 厂商的重视， 尤其在如我国重庆这样的城市， 道路坡度比较大， 对车辆的 安全性要求越来越高， 而现在轮胎压路机正向大 p屯位大压实宽度的方向发 展， 但现有的轮胎压路机的制动控制均采用后轮制动器布置的方式， 对于 较大吨位（如 30吨及以上）的轮胎压路机而言， 这种方式所采用的制动器 不论是鼓式还是盘式都不能提供足够的制动力矩， 这制约了大 p屯位轮胎压 路机的安全性能。
有鉴于此， 亟待针对现有的轮胎压路机的制动方式进行改进， 以适应 大吨位轮胎压路机的发展。
发明内容
有鉴于此， 为了实现轮胎压路机的全轮制动， 为轮胎压路机提供足够 的制动力矩， 提高轮胎压路机的安全性能， 一方面， 本发明提供了一种轮 胎压路机的前轮机构。
该前轮机构包括与车架相连的摇摆架以及与该摇摆架相连的前轮轴， 该前轮轴上设有轮胎， 其中， 所述前轮轴上还设有制动鼓及其制动器。
进一步地， 所述制动器设于所述制动鼓内， 所述制动器设有用于阻止 所述制动鼓转动的制动蹄片。
进一步地， 所述制动鼓通过轴承及其定位件连接于前轮轴上， 所述制 动器设于制动座上， 所述制动座通过花键连接于前轮轴上。 进一步地， 所述摇摆架通过回转支 7|及其支座与车架相连。
进一步地， 所述摇摆架通过第一销轴与所述支座铰接。
进一步地， 所述前轮轴通过第二销轴与所述摇摆架铰接。
进一步地， 所述前轮机构还包括用于驱动摇摆架相对于车架转动的转 向油紅。
另一方面， 本发明还提供了一种轮胎压路机， 该轮胎压路机具有上述 任一项所述的前轮机构。
本发明提供的一种轮胎压路机及其前轮机构， 通过在前轮机构的前轮 轴上设置制动鼓及其相应的制动器， 使得轮胎压路机的前轮也具有制动功 能， 通过与后轮制动系统的配合（如依次制动）， 可实现轮胎压路机的全轮 制动， 以便在需要制动时提供足够大的制动力矩， 提高了轮胎压路机的安 全性能。
附图说明
图 1所示为本发明实施例所提供的一种轮胎压路机的前轮机构的结构 示意图；
图 2为图 1中 A部分的放大示意图；
图 3为图 1中 B部分的放大示意图。
具体实施方式
为了使本领域技术人员更好地理解本发明的技术方案， 下面结合附图 和具体实施例对本发明作进一步的详细说明。 应当指出， 本部分中对具体 结构的描述及描述顺序仅是对具体实施例的说明， 不应视为对本发明的保 护范围有任何限制作用。
请参考图 1、 图 2和图 3 ,其中图 1所示为本发明实施例所提供的一种 轮胎压路机的前轮机构的结构示意图，图 2为图 1中 A部分的放大示意图， 图 3为图 1中 B部分的放大示意图。 下面同时结合图 1至图 3对本实施例 的前轮机构进行详细描述。
如图所示， 该前轮机构包括摇摆架 1、 回转支承及支座 2 (回转支承 21和支座 22 )、 第一销轴 3、 转向油缸 5、 制动器 6、 制动鼓 7、 制动座 8、 前轮轴 9和第二销轴 10。 其中， 回转支承 21的外圏通过螺栓与车架 4 固定连接， 回转支承 21 的外圏通过螺栓与支座 22固定连接， 支座 22通过第一销轴 3与摇摆架 1 铰接， 转向油缸 5用于实现摇摆机 1围绕第一销轴 3相对于车架转动一定 角度， 以实现车轮的转向， 其两端分别铰接于摇摆架 1和车架 2。
摇摆架 1通过三根立轴与前轮轴 9相连， 左右两根前轮轴 9分别与两 个轮胎相连， 中间的前轮轴 9仅与一个轮胎相连， 由于左右两侧的一对轮 子大体对称， 左侧与右侧的结构相同， 图中仅是出右侧结构的剖视图， 在 此仅对右侧结构进行描述。
前轮轴 9与摇摆架 1 (的立轴）通过第二销轴 10铰接， 前轮轴 9可相 对摇摆架 1摆动一定角度， 制动鼓 7设于轮胎的安装座上， 制动鼓 7通过 轴承及其定位件连接于前轮轴 9上， 制动器 6设于制动鼓 7内， 制动器 6 通过螺栓固定安装于制动座 8上， 制动座 8通过花键连接与前轮轴 1 0上， 制动器 6上设有制动蹄片，该制动蹄片可在张开时阻止制动鼓 7继续转动， 从而实现前轮的制动。
在工作过程中， 可以根据需要设定前后轮的制动顺序， 例如， 可通过 设计不同长度的油管实现前、 后轮依次制动。
需要说明的是， 上述实施例中， 车架 4通过回转支承及支座 2与摇摆 架 1铰接， 可实现第一级摇摆， 而摇摆架 1与前轮轴铰接可实现第二季摇 摆， 以便在施工过程中， 轮胎可随地面的高低不平上下摆动， 随时自动调 节， 有效避免对铺层压实的过压及虚压现象， 提高压实效果。
需要说明的是， 上述实施例中， 制动鼓 7通过轴承及其定位件与前轮 轴 9连接， 兼有轴承座的功能， 整体结构为集成式， 提高了轮辋内的空间 利用率， 也为制动器 6的布置提供了空间。
需要说明的是， 上述实施例中， 制动器 6通过制动座 8连接到前轮轴 9上， 可直接将制动时产生的摩擦力矩传递至车身。
需要说明的是， 上述实施例中， 摇摆架 1与车架 4之间采用如上所述 的连接结构仅是为了举例说明， 在其他情形下， 摇摆架也可以根据需要通 过别的方式与车架连接。 需要说明的是， 上述实施例中， 前轮机构具有五个车轮， 但并不局限 于此， 例如还可以是三个、 四个或者六个， 此外， 也可以根据需要只在其 中的一些车轮上布置制动鼓及其制动器。
需要说明的是， 上述实施例中， 轮胎的更换维修十分方便， 只需要拆 下轮辋上的固定螺栓即可以进行更换。
本发明实施例提供的一种轮胎压路机的前轮机构， 通过在前轮机构的 前轮轴上设置制动鼓及其相应的制动器， 使得轮胎压路机的前轮也具有制 动功能， 通过与后轮制动系统的配合（如依次制动）， 可实现轮胎压路机的 全轮制动， 以便在需要制动时提供足够大的制动力矩， 提高了轮胎压路机 的安全性能。
本发明实施例还提供了一种轮胎压路机， 该轮胎压路机具有上述的前 轮机构， 由于上述的前轮机构具有上述技术效果， 因此， 具有该前轮机构 的轮胎压路机也应具备相应的技术效果， 其具体实施过程与上述实施例类 似, 兹不赘述。
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在 本发明的精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包 含在本发明的保护范围之内。

Claims

权 利 要 求
1、一种轮胎压路机的前轮机构， 包括与车架相连的摇摆架以及与该摇 摆架相连的前轮轴， 该前轮轴上设有轮胎， 其特征在于， 所述前轮轴上还 设有制动鼓及其制动器。
2、 如权利要求 1所述的前轮机构， 其特征在于， 所述制动器设于所述 制动鼓内， 所述制动器设有用于阻止所述制动鼓转动的制动蹄片。
3、 如权利要求 2所述的前轮机构， 其特征在于， 所述制动鼓通过轴承 及其定位件连接于前轮轴上， 所述制动器设于制动座上， 所述制动座通过 花键连接于前轮轴上。
4、 如权利要求 1至 3任一项所述的前轮机构， 其特征在于， 所述摇摆 架通过回转支承及其支座与车架相连。
5、 如权利要求 5任一项所述的前轮机构， 其特征在于， 所述摇摆架通 过第一销轴与所述支座铰接。
6、 如权利要求 1至 3任一项所述的前轮机构， 其特征在于， 所述前轮 轴通过第二销轴与所述摇摆架铰接。
7、 如权利要求 1至 3任一项所述的前轮机构， 其特征在于， 所述前轮 机构还包括用于驱动摇摆架相对于车架转动的转向油缸。
8、 一种轮胎压路机， 其特征在于， 所述轮胎压路机具有权利要求 1至 7 任一项所述前轮机构。
PCT/CN2012/073906 2011-11-23 2012-04-12 一种轮胎压路机及其前轮机构 WO2013075448A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201120470766.8 2011-11-23
CN 201120470766 CN202369897U (zh) 2011-11-23 2011-11-23 一种轮胎压路机及其前轮机构

Publications (1)

Publication Number Publication Date
WO2013075448A1 true WO2013075448A1 (zh) 2013-05-30

Family

ID=46593606

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/073906 WO2013075448A1 (zh) 2011-11-23 2012-04-12 一种轮胎压路机及其前轮机构

Country Status (2)

Country Link
CN (1) CN202369897U (zh)
WO (1) WO2013075448A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064175A (zh) * 2015-07-14 2015-11-18 梁国锋 一种前端设置的压路机压轮装置
US10526483B2 (en) 2016-04-28 2020-01-07 Sabic Global Technologies B.V. Poly(ester-carbonate) copolymers, articles formed therefrom, and methods of manufacture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104195925B (zh) * 2014-09-05 2016-07-06 中铁四局集团有限公司 一种具有曲面追从性的碾压设备及环道碾压方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381827A1 (de) * 1989-02-10 1990-08-16 ABG-WERKE GmbH Strassenfertiger
JPH08246412A (ja) * 1995-03-08 1996-09-24 Sakai Heavy Ind Ltd タイヤ駆動輪を備えた転圧ローラの動力伝達装置
CN2434334Y (zh) * 2000-08-02 2001-06-13 江阴柳工道路机械有限公司 液压驱动铰接式三轮压路机
CN201052825Y (zh) * 2007-06-03 2008-04-30 朱兆荣 农用三轮车前轮制动装置
CN201560376U (zh) * 2009-11-23 2010-08-25 三一重工股份有限公司 一种轮胎压路机前轮摇摆控制装置和轮胎压路机
CN201593156U (zh) * 2009-11-27 2010-09-29 山推工程机械股份有限公司 全液压单钢轮振动压路机行走制动液压装置
CN201686919U (zh) * 2010-04-19 2010-12-29 三一重工股份有限公司 车辆独立转向机构以及轮胎压路机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381827A1 (de) * 1989-02-10 1990-08-16 ABG-WERKE GmbH Strassenfertiger
JPH08246412A (ja) * 1995-03-08 1996-09-24 Sakai Heavy Ind Ltd タイヤ駆動輪を備えた転圧ローラの動力伝達装置
CN2434334Y (zh) * 2000-08-02 2001-06-13 江阴柳工道路机械有限公司 液压驱动铰接式三轮压路机
CN201052825Y (zh) * 2007-06-03 2008-04-30 朱兆荣 农用三轮车前轮制动装置
CN201560376U (zh) * 2009-11-23 2010-08-25 三一重工股份有限公司 一种轮胎压路机前轮摇摆控制装置和轮胎压路机
CN201593156U (zh) * 2009-11-27 2010-09-29 山推工程机械股份有限公司 全液压单钢轮振动压路机行走制动液压装置
CN201686919U (zh) * 2010-04-19 2010-12-29 三一重工股份有限公司 车辆独立转向机构以及轮胎压路机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105064175A (zh) * 2015-07-14 2015-11-18 梁国锋 一种前端设置的压路机压轮装置
CN105064175B (zh) * 2015-07-14 2017-12-12 江苏锡沂高新区科技发展有限公司 一种前端设置的压路机压轮装置
US10526483B2 (en) 2016-04-28 2020-01-07 Sabic Global Technologies B.V. Poly(ester-carbonate) copolymers, articles formed therefrom, and methods of manufacture

Also Published As

Publication number Publication date
CN202369897U (zh) 2012-08-08

Similar Documents

Publication Publication Date Title
CN105197044B (zh) 单轴跨座式单轨车辆动力转向架
WO2013075448A1 (zh) 一种轮胎压路机及其前轮机构
TW200906661A (en) Motorcycle having a plurality of brake calipers acting on its rear wheel
CN104385911A (zh) 大型拖拉机用前转向驱动桥
CN102602853B (zh) 铰接型越野叉车
CN103818235A (zh) 集成转向悬架驱动车轮
CN104553768A (zh) 一种带盘式制动、abs及自动充放气系统的转向驱动车桥
CN202138361U (zh) 一种中央盘式驻车制动器总成
CN204236240U (zh) 大型拖拉机用前转向驱动桥
CN201227996Y (zh) 跨座式单轨车辆差速运行装置
CN102976204A (zh) 桥式起重机大车运行机构
CN203544270U (zh) 三轮车用具有驻刹的碟刹装置
CN109986914A (zh) 一种车辆爆胎应急的安全辅助装置
CN207141095U (zh) 跨坐式轨道交通车辆的半轴总成和具有其的双轨车辆
CN202242978U (zh) 一种双钳制动转向系统
CN206288169U (zh) 一种两轮或三轮车辆碟刹保护结构
CN201647027U (zh) 三轮摩托车转向机构
CN206929245U (zh) 间歇式离合器
CN206067724U (zh) 一种双轮车轮胎漏气应急装置
CN204823760U (zh) 一种起重机小车行走机构
CN203611656U (zh) 转向架及其轮轴系统
CN202368549U (zh) 转向桥的盘式制动器安装结构、转向桥以及汽车
CN205872173U (zh) 一种小型老年代步车把手式前桥总成
CN205818804U (zh) 电动旅行车驱动桥总成
CN203805689U (zh) 集成转向悬架驱动车轮

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12852157

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12852157

Country of ref document: EP

Kind code of ref document: A1