WO2015081596A1 - 一种搬运车的称重装置 - Google Patents

一种搬运车的称重装置 Download PDF

Info

Publication number
WO2015081596A1
WO2015081596A1 PCT/CN2013/091103 CN2013091103W WO2015081596A1 WO 2015081596 A1 WO2015081596 A1 WO 2015081596A1 CN 2013091103 W CN2013091103 W CN 2013091103W WO 2015081596 A1 WO2015081596 A1 WO 2015081596A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel ball
vehicle body
sensor
weighing
cylindrical sensor
Prior art date
Application number
PCT/CN2013/091103
Other languages
English (en)
French (fr)
Inventor
杨玉东
冯卫东
Original Assignee
无锡爱一力机械有限公司
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 无锡爱一力机械有限公司 filed Critical 无锡爱一力机械有限公司
Publication of WO2015081596A1 publication Critical patent/WO2015081596A1/zh

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G01G19/083—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles lift truck scale

Definitions

  • the invention relates to the technical field of handling equipment, in particular to a weighing device for a truck.
  • the truck plays a very important role in the logistics system of the enterprise. It is the main force in the material handling equipment. It is widely used in various departments of the national economy such as stations, ports, airports, factories and warehouses. It is mechanized loading and unloading and stacking. And efficient equipment for short-distance transportation. In order to increase productivity, people can install a weighing sensor on the truck to realize the simultaneous transportation and weighing of the goods.
  • the existing weighing device of the truck has the following defects: 1.
  • the weighing structure shown in Fig. 1 has a four-point sensor 21 To transmit the weight of the goods to be weighed, the signal collected by the sensor is displayed by a digital meter.
  • the defect of the structure is that two or more sensors are used, resulting in high cost and complicated mechanical structure.
  • the weighing structure of the ordinary single-point sensor shown in Fig. 2 is collected by the single chip sensor 22 through the deformation of the body plate, instead of directly bearing the load directly by the sensor. Although the structure is simple, the weighing accuracy is very good. low. 3. No weighing device has been applied to hand and electric scissor carts.
  • the present invention provides a weighing device for a truck, which has a simple structure, low cost, wide application, high weighing accuracy and good stability.
  • the technical solution adopted by the present invention to solve the technical problem thereof comprises: a vehicle body, a cylinder, a cylindrical sensor, and a connecting steel ball, wherein the oil cylinder is installed at a lower end of the vehicle body, and a top end of a piston rod of the oil cylinder is provided with the connection a circular arc-shaped groove in which the steel ball is fitted, the connecting steel ball is placed in the circular arc-shaped groove, and a cylindrical sensor is disposed above the connecting steel ball, and the lower end of the cylindrical sensor is correspondingly disposed
  • the arcuate groove is connected to the steel ball, and the cylindrical sensor is press-fitted in the mounting plate at the upper end of the vehicle body, and the cylindrical sensor is electrically connected to the digital display instrument.
  • piston rod is sleeved in a bearing, and the bearing is installed in the connecting sleeve; the upper end of the connecting sleeve is provided with a recess corresponding to the size of the connecting steel ball.
  • the invention has the beneficial effects that the pressure connecting the steel ball to transmit the load can be quickly reset by the connecting steel ball, and the bearing point is automatically adjusted to ensure that the test accuracy, reliability and stability of the cylindrical sensor are not affected, and the error is small, the piston
  • the rod casing is equipped with bearings to make the piston rod run smoothly.
  • the connection sleeve is arranged so that the steel ball is not easily offset when subjected to lateral impact force, ensuring the normal operation of the weighing structure, the structure is simple, the cost is low, and the utility model is widely applicable to various types.
  • the van is very versatile.
  • FIG. 1 is a schematic view showing the structure of a four-sensor weighing trolley in the prior art
  • FIG. 3 is a schematic cross-sectional view of a weighing device of the present invention
  • FIG. 3 is a schematic cross-sectional view of a weighing device of the present invention
  • FIG. 5 is a schematic top plan view of a manual weighing and shearing vehicle using the weighing device of the present invention
  • FIG. 5 is a schematic top view of a manual weighing and shearing vehicle using the weighing device of the present invention
  • Embodiment 1 a manual weighing and shearing vehicle using the weighing device of the present invention, including a vehicle body 10, a vehicle body 10
  • the front end is provided with a fork 11, and the fork 11 is provided with a scissor mechanism 12, and the rear side of the lower end of the vehicle body 10 is provided with a cylinder 1, an operating lever 13a, and a piston rod of the cylinder 1
  • the top end is provided with a circular arc groove 5a which is attached to the connecting steel ball 3, and the connecting steel ball 3 is placed in the circular arc groove 5a, and the cylindrical ball 2 is disposed above the connecting steel ball 3, and the cylindrical sensor 2
  • the lower end is provided with a circular arc groove 5b which is attached to the connecting steel ball 3, and the cylindrical sensor 2 is disposed in the mounting plate 14 on the vehicle body 10, and the cylindrical sensor 2 is electrically connected to the vehicle body 10
  • the upper digital display meter 6, the digital display instrument 6 is also connected with a power supply 15, the piston rod 4 is set in the bearing 7,
  • the cylindrical sensor 2 is placed in the mounting plate 14 on the vehicle body 1, and the cylindrical sensor 2 is directly connected to the vehicle body 1 Connected, directly carrying the load, and the other end is connected to the piston rod 4 of the cylinder 1 by connecting the steel ball 3, and when the weighing load is required to be placed on the fork 11 of the vehicle body 10, the load passes through the vehicle body 10 Directly applied to one end of the cylindrical sensor 2, the other end of the cylindrical sensor 2 is supported by a piston rod 4 connecting the steel ball 3 and the cylinder 1, the cylindrical sensor 2
  • the pressure directly under the load is collected and analyzed by the digital sensor signal, and after calibration, the digital display meter 6 displays the accurate load weight, and the cylinder 1 can also control the lifting and lowering of the scissor mechanism 12.
  • Embodiment 2 FIG. 3 and FIG. 6, a manual weighing cart using the weighing device of the present invention, including a body 16, a body 16
  • the front side of the load-bearing table 17 is provided with a load-bearing wheel 18.
  • the rear side of the body 16 is provided with a cylinder 1, the rear side of the cylinder 1 is provided with an operating rod 13b, and the rear side of the cylinder 1 is provided with a rear wheel 19, the top end of the piston rod 4 of the cylinder 1 is provided with a circular arc-shaped recess 5a which is attached to the connecting steel ball 3, and the connecting steel ball 3 is placed in the circular arc-shaped recess 5a, and the connecting steel ball 3 is provided with a cylindrical shape. sensor 2.
  • the lower end of the cylindrical sensor 2 is provided with a circular arc groove 5b which is attached to the connecting steel ball 3.
  • the cylindrical sensor 2 is disposed in the cover 20 on the vehicle body, and the cylindrical sensor 2 is electrically connected to the vehicle body.
  • the digital display at the top of 10 shows the meter 6.
  • the cylindrical sensor 2 is placed in the cover 20 on the body 16, and the cylindrical sensor 2 is directly connected to the body 16 Connected, directly carrying the load, and the other end is connected to the piston rod 4 of the cylinder 1 by connecting the steel ball 3, and when the weighing load is required to be placed on the bearing platform 17, the load is directly applied to the cylindrical sensor through the body 16 At one end, the cylindrical sensor 2 is supported at the other end by a piston rod 4 connecting the steel ball 3 and the cylinder 1, the cylindrical sensor 2 The pressure directly under the load is collected and analyzed by the digital sensor signal, and after calibration, the accurate display weight is displayed by the digital display meter 6.
  • the steel ball 3 can be quickly reset, automatically adjusted to find the bearing point, and ensure the cylindrical sensor 2
  • the test accuracy, reliability and stability are not affected, the error is small
  • the piston rod 4 is equipped with a bearing 7 so that the piston rod 4 can run smoothly
  • the connection sleeve 8 is arranged to connect the steel balls 3
  • the structure is simple and the cost is low. It is widely applicable to various types of trucks and has good versatility.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Handcart (AREA)

Abstract

提供了一种搬运车的称重装置，结构简单，成本低，适用广泛，称重精确度高，稳定性好，包括车身（10）、油缸（1）、柱形传感器（2）、连接钢球（3），所述油缸（1）安装在车身（10）下端，所述油缸（1）的活塞杆（4）的顶端设有与所述连接钢球（3）贴合的圆弧形凹槽（5a），所述连接钢球（3）置于所述圆弧形凹槽（5a）内，所述连接钢球（3）上方设置有柱形传感器（2），所述柱形传感器（2）的下端对应设置有与所述连接钢球（3）贴合的圆弧形凹槽（5b），所述柱形传感器（2）压装在所述车身（10）上端的安装板内，所述柱形传感器（2）电控连接数字显示仪表（6）。

Description

一种搬运车的称重装置 技术领域
本发明涉及搬运设备技术领域，具体为一种搬运车的称重装置。
背景技术
搬运车在企业的物流系统中扮演着非常重要的角色，是物料搬运设备中的主力军，广泛应用于车站、港口、机场、工厂、仓库等国民经济中的各个部门,是机械化装卸、堆垛和短距离运输的高效设备。为了提高生产力，人们在搬运车上加装一种称重传感装置，即可实现货物的搬运和称量同步进行。
技术问题
现有的搬运车的称重传感装置存在以下缺陷：1、如图 1 所示的称重结构有采用四支点传感器 21 来传递需称重的货物重量，将传感器采集到的信号通过数字仪表显示出来，该结构的缺陷是采用两个或多个传感器，导致成本较高，机械结构复杂。2、如图2所示的普通的单支点传感器的称重结构由单个片式传感器22通过车体钢板变形采集信号，而不是直接由传感器直接承受载荷，虽然结构简单，但是称重精确度很低。3、至今无任何式样的称重装置适用于手、电动剪叉式推车上。
技术解决方案
针对上述问题，本发明提供了一种搬运车的称重装置，其结构简单，成本低，适用广泛，称重精确度高，稳定性好。
本发明解决其技术问题所采用的技术方案是：包括车身、油缸、柱形传感器、连接钢球，所述油缸安装在所述车身下端，所述油缸的活塞杆的顶端设有与所述连接钢球贴合的圆弧形凹槽，所述连接钢球置于所述圆弧形凹槽内，所述连接钢球上方设置有柱形传感器，所述柱形传感器的下端对应设置有与所述连接钢球贴合的圆弧形凹槽，所述柱形传感器压装在所述车身上端的安装板内，所述柱形传感器电控连接数字显示仪表。
其进一步特征在于：所述活塞杆套装在轴承，所述轴承安装在连接套中；所述连接套的上端开设有与所述连接钢球大小配合的凹口。
有益效果
本发明的有益效果是：采用连接钢球传递载荷的压力，连接钢球能够快速复位，自动调节寻找承载点，确保柱形传感器的测试精度、可靠性和稳定性不受影响，误差小，活塞杆外套装有轴承使得活塞杆能够平滑运行，连接套的设置使得钢珠受到横向冲击力时不易发生偏移，确保了称重结构的正常运行，其结构简单，成本低，广泛适用于各种类型的搬运车，泛用性好。
附图说明
图 1为现有技术中采用四个传感器称重手推车结构示意图；图 2 为现有技术中单支点片式传感器称重手推车结构示意图； 图 3 为本发明的称重装置的剖视示意图； 图 4 为采用本发明的称重装置的手动称重剪杆车的主视结构示意图；图 5 为采用本发明的称重装置的手动称重剪杆车的俯视结构示意图；图 6 为采用本发明的称重装置的手动称重推车的结构示意图。
本发明的实施方式
以下结合附图和实施例对本发明做进一步描述。
实施例一:见图 3、图 4、图 5，采用本发明的称重装置的手动称重剪杆车，包括车体10，车体 10 的前端设置有货叉 11，货叉 11 下方设置有剪叉机构 12，车体 10 的下端的后侧设有油缸 1、操作杆 13a，油缸 1 的活塞杆 4 的顶端设有与连接钢球 3 贴合的圆弧形凹槽 5a，连接钢球 3 置于圆弧形凹槽 5a 内，连接钢球 3 上方设置有柱形传感器 2，柱形传感器 2 的下端设置有与连接钢球 3 贴合的圆弧形凹槽 5b，柱形传感器 2 设置在车体 10 上的安装板 14内，柱形传感器 2 电控连接车体 10 上端的数字显示仪表 6，数字显示仪表 6 还连接有电源15，活塞杆 4 套装在轴承 7，轴承 7 安装在连接套 8 中，连接套8 的上端开设有与连接钢球3 大小配合的凹口 9。
柱形传感器 2 设置在车体 1 上的安装板 14 内，柱形传感器 2 一端直接和车体 1 相连，直接承载载荷，另一端通过连接钢球 3 与油缸 1 的活塞杆 4 相连，当需称重载荷放置在车体10 的货叉 11 上，该载荷通过车体 10 直接施压在柱形传感器 2 一端，柱形传感器 2 另一端由连接钢球 3 和油缸 1 的活塞杆 4 支撑，柱形传感器 2 直接承受载荷的压力，通过数字传感器信号采集和分析，并标定后通过数字显示仪表 6 显示出准确的载荷重量，油缸 1 还可以控制剪叉机构 12 的升降。
实施例二：见图 3、图 6，采用本发明的称重装置的手动称重推车，包括车身 16，车身 16 的前侧设有承重台 17，承重台 17 的下端设有承重轮 18，车身 16 的后侧设置有油缸 1，油缸 1 的后侧设有操作杆 13b，油缸 1 的下方设有后轮 19，油缸 1 的活塞杆 4 的顶端设有与连接钢球 3 贴合的圆弧形凹槽 5a，连接钢球 3 置于圆弧形凹槽 5a 内，连接钢球 3 上方设置有柱形传感器 2，柱形传感器 2 的下端设置有与连接钢球 3 贴合的圆弧形凹槽 5b，柱形传感器 2 设置在车身上的盖板 20 内，柱形传感器2 电控连接车体 10上端的数字显示仪表6。
柱形传感器 2 设置在车身 16 上的盖板 20 内，柱形传感器 2 一端直接和车身 16 相连，直接承载载荷，另一端通过连接钢球 3 与油缸 1 的活塞杆 4 相连，当需称重载荷放置在承重台 17 上，该载荷通过车身 16 直接施压在柱形传感器 2 一端，柱形传感器 2 另一端由连接钢球 3 和油缸 1 的活塞杆 4 支撑，柱形传感器 2 直接承受载荷的压力，通过数字传感器信号采集和分析，并标定后通过数字显示仪表6 显示出准确的载荷重量。
采用连接钢球 3 传递载荷的压力，连接钢球 3 能够快速复位，自动调节寻找承载点，确保柱形传感器 2 的测试精度、可靠性和稳定性不受影响，误差小，活塞杆 4 外套装有轴承7 使得活塞杆 4 能够平滑运行，连接套 8 的设置使得连接钢珠 3 受到横向冲击力时不易发生偏移，确保了称重结构的正常运行，其结构简单，成本低，广泛适用于各种类型的搬运车，泛用性好。
以上所述仅为说明本发明的实施方式，并不用于限制本发明，对于本领域的技术人员来说，凡在本发明的精神和原则之内，将本发明的称重结构应用于手推车、剪杆车、堆高车、油桶车等搬运车的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (3)

  1. 一种搬运车的称重装置，包括车身、油缸、柱形传感器、连接钢球，所述油缸安装在所述车身下端，所述油缸的活塞杆的顶端设有与所述连接钢球贴合的圆弧形凹槽，所述连接钢球置于所述圆弧形凹槽内，所述连接钢球上方设置有柱形传感器，所述柱形传感器的下端对应设置有与所述连接钢球贴合的圆弧形凹槽，所述柱形传感器压装在所述车身上端的安装板内，所述柱形传感器电控连接数字显示仪表。
  2. 根据权利要求 1 所述的一种搬运车的称重装置，其特征在于：所述活塞杆套装在轴承，所述轴承安装在连接套中。
  3. 根据权利要求 2 所述的一种搬运车的称重装置，其特征在于：所述连接套的上端开设有与所述连接钢球大小配合的凹口。
PCT/CN2013/091103 2013-12-06 2013-12-31 一种搬运车的称重装置 WO2015081596A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310651371.1A CN103613052B (zh) 2013-12-06 2013-12-06 一种搬运车的称重装置
CN201310651371.1 2013-12-06

Publications (1)

Publication Number Publication Date
WO2015081596A1 true WO2015081596A1 (zh) 2015-06-11

Family

ID=50163782

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/091103 WO2015081596A1 (zh) 2013-12-06 2013-12-31 一种搬运车的称重装置

Country Status (2)

Country Link
CN (1) CN103613052B (zh)
WO (1) WO2015081596A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109436400A (zh) * 2018-11-14 2019-03-08 杭州睿湘机电科技有限公司 一种高精度称重、包装过程无扬尘的活性炭包装机及其包装方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104564907A (zh) * 2015-01-19 2015-04-29 四川润坤特种设备有限公司 一种多根油缸同步装置
CN104627904A (zh) * 2015-02-26 2015-05-20 意欧斯仓储设备股份有限公司 一种机械压力式测重多功能叉车
CN108249355A (zh) * 2016-12-29 2018-07-06 天津市华衡伟业称重系统股份有限公司 一种新型的计量单臂叉车

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85107285A (zh) * 1984-10-05 1986-07-30 弗朗茨·巴尔杜英 称重设备
EP0655612B1 (en) * 1993-11-30 1998-03-18 Cech Corporation Fork lift truck with weigh deck
WO2009012530A1 (en) * 2007-07-25 2009-01-29 Mirraview Pty Ltd Vehicle for weighing an item
ES2322885T3 (es) * 1999-07-12 2009-07-01 Ravas Europe B.V. Montacargas elevador con sistema de pesado.
CN201677907U (zh) * 2010-01-20 2010-12-22 传力电子衡器(南京)有限公司 带有水平校准装置的叉车秤
FR2938911B1 (fr) * 2008-11-24 2011-09-02 Balea Systeme de mesure dynamique d'une charge soulevee par un engin de levage a commande electrique.
CN102363518A (zh) * 2011-10-26 2012-02-29 西安高度电子科技有限公司 全浮动式称重叉车
CN103011024A (zh) * 2012-11-28 2013-04-03 福建振宝机械有限公司 一种具有称量功能的叉车
CN203199947U (zh) * 2013-04-27 2013-09-18 厦门大学 叉车称重装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201092525Y (zh) * 2007-08-14 2008-07-30 王赟 叉车称重系统
JP5353371B2 (ja) * 2008-05-26 2013-11-27 株式会社豊田自動織機 多段マスト式フォークリフトの荷重計測装置
CN202099019U (zh) * 2011-05-13 2012-01-04 浙江诺力机械股份有限公司 起重系统称重报警装置
CN202485782U (zh) * 2012-01-29 2012-10-10 宝山钢铁股份有限公司 一种高秤台热轧钢卷在线称重装置
CN203653176U (zh) * 2013-12-06 2014-06-18 无锡爱一力机械有限公司 搬运车的称重装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85107285A (zh) * 1984-10-05 1986-07-30 弗朗茨·巴尔杜英 称重设备
EP0655612B1 (en) * 1993-11-30 1998-03-18 Cech Corporation Fork lift truck with weigh deck
ES2322885T3 (es) * 1999-07-12 2009-07-01 Ravas Europe B.V. Montacargas elevador con sistema de pesado.
WO2009012530A1 (en) * 2007-07-25 2009-01-29 Mirraview Pty Ltd Vehicle for weighing an item
FR2938911B1 (fr) * 2008-11-24 2011-09-02 Balea Systeme de mesure dynamique d'une charge soulevee par un engin de levage a commande electrique.
CN201677907U (zh) * 2010-01-20 2010-12-22 传力电子衡器(南京)有限公司 带有水平校准装置的叉车秤
CN102363518A (zh) * 2011-10-26 2012-02-29 西安高度电子科技有限公司 全浮动式称重叉车
CN103011024A (zh) * 2012-11-28 2013-04-03 福建振宝机械有限公司 一种具有称量功能的叉车
CN203199947U (zh) * 2013-04-27 2013-09-18 厦门大学 叉车称重装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109436400A (zh) * 2018-11-14 2019-03-08 杭州睿湘机电科技有限公司 一种高精度称重、包装过程无扬尘的活性炭包装机及其包装方法
CN109436400B (zh) * 2018-11-14 2024-06-07 杭州睿湘机电科技有限公司 一种高精度称重、包装过程无扬尘的活性炭包装机及其包装方法

Also Published As

Publication number Publication date
CN103613052A (zh) 2014-03-05
CN103613052B (zh) 2016-03-30

Similar Documents

Publication Publication Date Title
WO2015081596A1 (zh) 一种搬运车的称重装置
CN202048971U (zh) 货运汽车超重报警系统
CN203269481U (zh) 一种适用于叉脚式叉车的载荷称重及载荷重心测量装置
CN202880777U (zh) 具有防偏载功能的叉车秤重装置
CN203864721U (zh) 一种多功能推车
CN106744548A (zh) 一种新型工作平台用称重装置
CN201421354Y (zh) 车辆随车称重装置
CN204151028U (zh) 一种高精度且安全的称重叉车
CN104229679A (zh) 一种叉车秤称重模块及具有其的叉车
CN206919999U (zh) 一种移动式铁路车辆称重系统
US20140054096A1 (en) Apparatus capable of measuring load and load movement
CN204079387U (zh) 一种叉车秤称重模块及具有其的叉车
CN204399172U (zh) 一种带称重显示功能的电动平车
CN202848984U (zh) 一种新型半自动控制叉车
CN204057870U (zh) 可称重手动液压搬运车
CN106644011A (zh) 车载称重系统
CN203346014U (zh) 液压升降平台车
CN207524903U (zh) 一种用于叉车的安全保护系统
CN203653176U (zh) 搬运车的称重装置
CN206264881U (zh) 一种可称重的自卸翻斗车
EP2627602A1 (en) Apparatus capable of measuring load and load movement
CN202829472U (zh) 一种新型叉车
CN206056759U (zh) 一种收费站车辆超载控制装置
CN202255589U (zh) 一种车辆载重测量仪
CN206720675U (zh) 一种土木工程管道运输装置

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: 13898508

Country of ref document: EP

Kind code of ref document: A1

DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13898508

Country of ref document: EP

Kind code of ref document: A1