WO2022061860A1 - Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai - Google Patents

Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai Download PDF

Info

Publication number
WO2022061860A1
WO2022061860A1 PCT/CN2020/118300 CN2020118300W WO2022061860A1 WO 2022061860 A1 WO2022061860 A1 WO 2022061860A1 CN 2020118300 W CN2020118300 W CN 2020118300W WO 2022061860 A1 WO2022061860 A1 WO 2022061860A1
Authority
WO
WIPO (PCT)
Prior art keywords
reaction force
electric servo
wedge
servo cylinder
force beam
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2020/118300
Other languages
English (en)
Chinese (zh)
Inventor
谭富星
刘洪涛
张鹏
刘诗慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Changchun Railway Vehicles Co Ltd
Original Assignee
CRRC Changchun Railway Vehicles Co Ltd
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 CRRC Changchun Railway Vehicles Co Ltd filed Critical CRRC Changchun Railway Vehicles Co Ltd
Publication of WO2022061860A1 publication Critical patent/WO2022061860A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/08—Railway vehicles

Definitions

  • the invention relates to the technical field of rail vehicle testing devices, in particular to a device for lifting, lowering and fixing a reaction force beam of a test stand in the design process of a rail vehicle.
  • a typical test bench includes a reaction beam. During the test, the height of the reaction beam needs to be adjusted and fixed.
  • the existing equipment has the following shortcomings:
  • the front and rear clamping plates are used to fix the reaction force beam.
  • the front and rear clamping plates are heavy, about 453kg, and cannot be moved manually.
  • Above the clamping plate there is a gantry frame obstacle to lift the beam, which is inconvenient to disassemble and assemble the beam.
  • the beam cannot be lifted and lowered independently, and can only be lifted by means of a crane, which is inconvenient to use.
  • the purpose of the present invention is to provide a test-bed reaction force beam holding and lifting device with simple structure, safety, reliability and high versatility.
  • the present invention provides a test stand reaction force beam holding and lifting device, which includes two spaced columns and a reaction force beam that can move up and down along the outer side of the column and be positioned.
  • the two ends are respectively provided with a gripping mechanism for fixing the reaction beam on the column, and between the outer side of the column and the top surfaces at both ends of the reaction beam are provided for driving the reaction beam to rise or descending drive mechanism.
  • each of the gripping mechanisms comprises a wedge-shaped hook support rail bead and a double-ended screw with a wedge-shaped hook at one end;
  • the wedge-shaped hook support rail bead is vertically arranged on the upright column in a left-right symmetrical manner
  • the inner side of the wedge-shaped hook is provided with a through hole and is sleeved on one end of the double-ended screw through the through hole, and one end of the double-ended screw is provided with a support for the wedge-shaped hook and the wedge-shaped hook.
  • the first nut that the guide rail pressure strips press against each other.
  • each of the tightening mechanisms includes four double-ended screws, two of which are arranged on the top surface of the reaction force beam and on the left and right sides of the upright column, and the other two The double-ended screw is arranged on the bottom surface of the reaction force beam and on the left and right sides of the upright column.
  • the top surface and the bottom surface of the reaction force beam are provided with guide blocks for holding bolts corresponding to each of the double-ended screws, and each of the double-ended screws passes through the two spaced front and rear holding bolts respectively.
  • the through hole of the guide block, the other end of the double-ended screw is provided with a second nut.
  • a first wedge surface is provided on the wedge-shaped claws supporting the rail pressing strip, the wedge-shaped claws are provided with a second wedge surface that can fit and press against the first wedge surface, and the wedge-shaped claws support the guide rail.
  • the pressing strip and the wedge-shaped hook are engaged with each other through the first wedge surface and the second wedge surface.
  • the driving mechanism includes a power component and a power component support seat
  • the power component is mounted on the outer side surface of the column through the power component support seat
  • the power component has a telescopic component that can move up and down, and passes through the The telescopic part is connected with the top surface of the reaction force beam.
  • the power component includes an electric servo cylinder motor, a foldable electric servo cylinder body and a ball screw type electric servo cylinder piston rod, and the ball screw type electric servo cylinder piston rod is matched with the folded type electric servo cylinder body, It can move up and down in the folding electric servo cylinder, and its lower end is connected with the top surface of the reaction force beam.
  • the power component support base is an electric servo cylinder support base
  • the electric servo cylinder support base is welded on the column
  • the electric servo cylinder motor and the fold-back electric servo cylinder block are connected to the hinge shaft through the electric servo cylinder.
  • the electric servo cylinder support base is connected.
  • the top surface of the reaction force beam is provided with an electric servo cylinder ball joint plate, and the end joint bearing and the bearing seat of the piston rod of the ball screw type electric servo cylinder are connected to the electric servo cylinder ball joint through bolts.
  • the connecting plate is connected and fixed.
  • an electric servo cylinder control system is further included to control the piston rod of the ball screw type electric servo cylinder to move up and down along the foldable electric servo cylinder body, and to drive the reaction force beam to move up and down to a designated position.
  • the reaction force beam holding and lifting device of the test bench provided by the present invention is mainly used to facilitate the test bench to adapt to a single-section vehicle or a single bogie test, and to adjust the structure of the test bench quickly and safely, and is used for guiding vehicles or steering.
  • the rack can enter the designated area of the test accurately and efficiently, which can provide great assistance for the vehicle or bogie test, shorten the installation time safely and effectively, gain more test time for the test piece test, improve the test efficiency, and , It can be applied to the transition guidance of rail vehicles or bogies of different gauges. It has a wide range of use and strong versatility. It is not only convenient, efficient, labor-saving, and accurate in lifting position, but also has a simple structure and is easy to process and install. Manufacturing difficulty and cost Low, the structural strength is safe and reliable.
  • Fig. 1 is the axonometric view of a kind of test stand reaction force beam holding and lifting device disclosed in the embodiment of the present invention
  • Fig. 2 is the structural representation of the reaction force beam, the holding mechanism and the driving mechanism shown in Fig. 1;
  • Fig. 3 is the structural representation of reaction force beam
  • Fig. 4 is the structural representation of the gripping mechanism and the driving mechanism on the right side in Fig. 1;
  • FIG. 5 is a schematic structural diagram of a wedge-shaped hook
  • FIG. 6 is a schematic structural diagram of a wedge-shaped claw supporting a guide rail bead
  • FIG. 7 is a schematic structural diagram of the wedge-shaped hook claw supporting rail bead installed on the upright column
  • FIG. 8 is a schematic structural diagram of the engagement between the wedge-shaped hook and the wedge-shaped hook support rail pressure strip
  • FIG. 9 is a schematic structural diagram of an electric servo cylinder control system.
  • FIG. 1 is an axonometric view of a reaction force beam holding and lifting device disclosed in an embodiment of the present invention
  • FIG. 2 is a reaction force beam, a holding mechanism and a drive shown in FIG. 1 Schematic diagram of the structure of the organization.
  • the test bench reaction beam holding and lifting device provided by the present invention is used to adjust and fix the height of the reaction force beam 2 of the test bench 1.
  • the test bench 1 has four Root column 3, in order to ensure the stability of the structure, each column 3 is respectively provided with an oblique support member 4, the upper end of the support member 4 is hinged with the support on the side of the column 3, and the lower end of the support member 4 is connected with the support located on the ground. Seat hinged.
  • the reaction force beam 2 is located on the outer side of the two uprights 3 on the nearer side of the figure, it is attached to the outer sides of the two uprights 3, and can move up and down along the outer side of the uprights 3 and be positioned. Both ends of the force beam 2 are respectively provided with a gripping mechanism 5 for fixing the reaction beam 2 on the column 3. In order to adjust the height of the reaction beam 2, the outer side of the column and the top surface of the two ends of the reaction beam 2 are respectively provided. There is a drive mechanism 6 for driving the reaction force beam 2 to rise or fall, a total of two sets of gripping mechanisms 5 and two sets of drive mechanisms 6, when working, the two sets of drive mechanisms 6 run synchronously.
  • Each holding mechanism 5 is mainly composed of a wedge-shaped hook claw supporting guide rail bead 7 and a double-ended screw 8.
  • One end of the double-ended screw 8 is provided with a wedge-shaped hook 9; the wedge-shaped hook support rail layer 7 is symmetrical in the vertical direction Fixed on the inner side of the column 3; the wedge-shaped hook 9 is provided with a through hole and is sleeved on one end of the double-ended screw 8 through the through hole. 7.
  • the first nut 10 pressed against each other.
  • FIG. 3 is a schematic structural diagram of a reaction force beam
  • FIG. 4 is a structural schematic diagram of the holding mechanism and the driving mechanism on the right side in FIG. 1 .
  • the number of double-ended screws 8 of each tightening mechanism 5 is four, of which two double-ended screws 8 are arranged on the top surface of the reaction force beam 2 and are located on the left and right sides of the upright column 3, and the other two double-ended screws 8
  • the head screw 8 is arranged on the bottom surface of the reaction force beam 2 and on the left and right sides of the upright column 3 .
  • the top surface and the bottom surface of the reaction force beam 2 are provided with tightening bolt guide blocks 11 corresponding to each double-ended screw 8, and each double-ended screw 8 respectively passes through the through holes of the two tightening bolt guide blocks 11 arranged at intervals in the front and rear,
  • the other end of the double-ended screw 8 is provided with a second nut 12 .
  • the tightening bolt guide blocks 11 are divided into two sets of the same left and right, and each set has eight, which are respectively welded on the upper and lower planes of the reaction beam 2 in a symmetrical state.
  • the guide block 11 is provided with a through hole, and the electric servo cylinder ball hinge connecting plate 13 is generally square, and is symmetrically welded on the upper plane of the reaction force beam 2 .
  • the drive mechanism 6 is mainly composed of the electric servo cylinder support seat 14, the electric servo cylinder connecting hinge shaft 15, the electric servo cylinder motor 16, the foldable electric servo cylinder block 17, the ball screw type electric servo cylinder piston rod 18, and the piston rod end joint bearing. It is composed of a bearing seat 19, wherein the electric servo cylinder support seat 14 is welded on the outer surface of the column 3, and the electric servo cylinder motor 16 and the foldable electric servo cylinder block 17 are connected by the electric servo cylinder to the hinge shaft 15 and the electric servo cylinder support 14.
  • the seat is connected, the ball screw type electric servo cylinder piston rod 18 is matched with the foldable electric servo cylinder block 17, and can move up and down along the foldable electric servo cylinder block 17.
  • the piston rod end joint bearing and the bearing seat 19 are connected to the electric servo cylinder through bolts.
  • the ball hinge connecting plate 13 is connected and fixed.
  • FIG. 5 is a schematic structural diagram of a wedge-shaped hook
  • FIG. 6 is a schematic structural diagram of a wedge-shaped hook supporting the guide rail bead
  • the wedge-shaped hook support rail pressure strip 7 there are through holes on the wedge-shaped hook support rail pressure strip 7, and it is vertically installed on the inner surface of the column 3 through bolts.
  • the first plane 20 of the claw support rail pressure strip 7 is in contact with the inner surface of the column 3
  • the second plane 21 of the wedge-shaped hook support rail pressure strip 7 is on the outside
  • the two ends of the double-ended screw 8 are tapped with threads
  • the wedge-shaped hook claw 9 has Through holes, one end of each double-ended screw 8 passes through the through holes of two clamping bolt guide blocks 11, and one end passes through a through hole of a wedge-shaped hook 9, and a set of wedge-shaped hook type clamping mechanism is passed on each column 3
  • Fixing that is, the double-ended screw 8 is locked by the first nut 10 and the second nut 12, the reaction force beam 2 is fixed on the column 3,
  • the wedge-shaped hook support rail pressure strip 7 is provided with the first wedge surface 22, the wedge-shaped hook 9
  • There is a second wedge surface 23 that can
  • FIG. 9 is a schematic structural diagram of an electric servo cylinder control system.
  • an electric servo cylinder control system 24 which is mainly composed of a PLC beam lifting control panel unit n, a PLC beam lifting control unit o, a power supply control and voltage-stabilizing power supply unit p, an electric servo cylinder driver q, an electric servo cylinder power isolation transformer r,
  • the electric servo cylinder control system is composed of cabinet s to control the ball screw type electric servo cylinder piston rod 18 to move up and down along the folded type electric servo cylinder block 17 to drive the reaction force beam 2 to move up and down to the designated position.
  • the invention has a simple structure, is safe and reliable, and is easy to disassemble and assemble, which can provide great assistance for vehicle or bogie testing, can safely and effectively shorten the installation time, obtain more testing time for the test of the test piece, and significantly improve the test performance. effectiveness.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Particle Accelerators (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai, comprenant deux colonnes de support (3) disposées de manière espacée, et une barre transversale de contrepoids (2) qui peut se déplacer vers le haut et vers le bas le long de faces latérales externes des colonnes de support (3) et peut être positionnée. Des mécanismes de serrage (5) permettant de fixer la barre transversale de contrepoids (2) aux colonnes de support (3) sont respectivement agencés au niveau de deux extrémités de la barre transversale de contrepoids (2), et des mécanismes d'entraînement (6) permettant d'entraîner la montée ou la descente de la barre transversale de contrepoids (2) sont agencés entre les faces latérales externes des colonnes de support (3) et les faces supérieures des deux extrémités de la barre transversale de contrepoids (2). Le dispositif a une structure simple, est sûr et fiable, est pratique à démonter et à monter, peut fournir une grande aide pour un essai de véhicule ou de bogie, permet de raccourcir de manière sûre et efficace le temps d'installation, contribue à rallonger le temps d'essai d'un essai d'une pièce à l'essai, et améliore de manière significative l'efficacité d'essai.
PCT/CN2020/118300 2020-09-23 2020-09-28 Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai Ceased WO2022061860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011010288.2A CN112129558B (zh) 2020-09-23 2020-09-23 一种试验台反力横梁抱紧提升装置
CN202011010288.2 2020-09-23

Publications (1)

Publication Number Publication Date
WO2022061860A1 true WO2022061860A1 (fr) 2022-03-31

Family

ID=73841673

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/118300 Ceased WO2022061860A1 (fr) 2020-09-23 2020-09-28 Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai

Country Status (2)

Country Link
CN (1) CN112129558B (fr)
WO (1) WO2022061860A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115302217A (zh) * 2022-08-23 2022-11-08 亿嘉和科技股份有限公司 基于更换支柱绝缘子的主线顶升工具及其工作方法
CN119803938A (zh) * 2025-03-12 2025-04-11 中国航发湖南动力机械研究所 航空用混合动力涡轮发电系统试车台架

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112945588B (zh) * 2021-01-28 2022-10-25 中车长春轨道客车股份有限公司 反力横梁升降定位机构
CN112945589A (zh) * 2021-01-28 2021-06-11 中车长春轨道客车股份有限公司 试验台反力横梁升降定位装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183259A (ja) * 1999-12-27 2001-07-06 Meidensha Corp シャシーダイナモメータ
CN102004041A (zh) * 2010-11-08 2011-04-06 吉林大学 基于半车质量模拟状态下的转向架悬挂自振特性试验台
CN102944433A (zh) * 2012-11-07 2013-02-27 吉林大学 转向架参数测试台构架定位装置
CN103048149A (zh) * 2012-09-18 2013-04-17 吉林大学 一种龙门框架式轨道车辆转向架参数测定试验台
CN103144117A (zh) * 2013-03-25 2013-06-12 成都航天烽火精密机电有限公司 高温智能机械手、控制系统及控制方法
CN109534214A (zh) * 2018-12-04 2019-03-29 华侨大学 一种可调整加载高度的门式反力架
CN112129556A (zh) * 2020-09-23 2020-12-25 中车长春轨道客车股份有限公司 用于抱紧和提升试验台反力横梁的装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105398950B (zh) * 2015-12-30 2017-05-03 吉林大学 大型龙门设备有级横梁爬行升降装置
CN211262737U (zh) * 2019-10-24 2020-08-14 领控智能科技东台有限公司 一种自动升降锁紧式试验反力框架

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183259A (ja) * 1999-12-27 2001-07-06 Meidensha Corp シャシーダイナモメータ
CN102004041A (zh) * 2010-11-08 2011-04-06 吉林大学 基于半车质量模拟状态下的转向架悬挂自振特性试验台
CN103048149A (zh) * 2012-09-18 2013-04-17 吉林大学 一种龙门框架式轨道车辆转向架参数测定试验台
CN102944433A (zh) * 2012-11-07 2013-02-27 吉林大学 转向架参数测试台构架定位装置
CN103144117A (zh) * 2013-03-25 2013-06-12 成都航天烽火精密机电有限公司 高温智能机械手、控制系统及控制方法
CN109534214A (zh) * 2018-12-04 2019-03-29 华侨大学 一种可调整加载高度的门式反力架
CN112129556A (zh) * 2020-09-23 2020-12-25 中车长春轨道客车股份有限公司 用于抱紧和提升试验台反力横梁的装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115302217A (zh) * 2022-08-23 2022-11-08 亿嘉和科技股份有限公司 基于更换支柱绝缘子的主线顶升工具及其工作方法
CN119803938A (zh) * 2025-03-12 2025-04-11 中国航发湖南动力机械研究所 航空用混合动力涡轮发电系统试车台架

Also Published As

Publication number Publication date
CN112129558B (zh) 2022-02-11
CN112129558A (zh) 2020-12-25

Similar Documents

Publication Publication Date Title
WO2022061860A1 (fr) Dispositif de serrage et de levage de barre transversale de contrepoids de banc d'essai
WO2022061861A1 (fr) Dispositif de maintien et de levage d'une barre de contrepoids d'un banc d'essai
CN109352258B (zh) 一种半挂车底盘的翻转焊工装
CN106154162A (zh) 组合式电机对拖测试台及其安装方法
WO2022160855A1 (fr) Appareil de levage/abaissement et de positionnement de traverse de contre-force pour banc d'essai
CN211225205U (zh) 下心盘螺栓智能扳机
JP2002205227A (ja) 部品取付装置
CN205949773U (zh) 一种锻造用夹具
CN215358209U (zh) 一种风力发电机组轮毂柜拆卸工装
WO2022160854A1 (fr) Mécanisme d'élévation/abaissement et de positionnement pour traverse de réaction
CN116021446B (zh) 一种装配工装以及装配方法
CN220854184U (zh) 一种负载可移动的电驱桥总成磨合台架
CN112387887A (zh) 一种胀管辅助装置
CN201311352Y (zh) 用于汽车白车身性能检测的多适应性升降平台
CN213998355U (zh) 一种工程机械焊接钢板固定架
CN220006857U (zh) 一种便于夹紧的液压钢管加工用加工台
CN219747806U (zh) 一种商用车前悬架分总成高效快捷装配工装
CN223592287U (zh) 一种可拆卸移动式起吊装置
CN205333302U (zh) 一种制动器试验装置的升降工作台
CN223005733U (zh) 一种汽车底盘后悬零件装配检测工装
CN217475429U (zh) 一种叉车零部件夹紧工装
CN219689226U (zh) 一种钢构件组合件
CN223431582U (zh) 一种转向架一系悬挂钢簧组的更换辅助装置
CN222825268U (zh) 一种移动式航空发动机试车台
CN219582099U (zh) 一种立式对接装置

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: 20954711

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: 20954711

Country of ref document: EP

Kind code of ref document: A1