[go: up one dir, main page]

WO2025200537A1 - Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur - Google Patents

Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur

Info

Publication number
WO2025200537A1
WO2025200537A1 PCT/CN2024/136075 CN2024136075W WO2025200537A1 WO 2025200537 A1 WO2025200537 A1 WO 2025200537A1 CN 2024136075 W CN2024136075 W CN 2024136075W WO 2025200537 A1 WO2025200537 A1 WO 2025200537A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
support
sand
side wall
longitudinal side
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.)
Pending
Application number
PCT/CN2024/136075
Other languages
English (en)
Chinese (zh)
Inventor
陈波
陆智俊
张雪健
姜右良
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.)
Xuzhou XCMG Road Construction Machinery Co Ltd
Jiangsu XCMG Construction Machinery Institute Co Ltd
Original Assignee
Xuzhou XCMG Road Construction Machinery Co Ltd
Jiangsu XCMG Construction Machinery Institute 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 Xuzhou XCMG Road Construction Machinery Co Ltd, Jiangsu XCMG Construction Machinery Institute Co Ltd filed Critical Xuzhou XCMG Road Construction Machinery Co Ltd
Priority to PCT/CN2024/136075 priority Critical patent/WO2025200537A1/fr
Publication of WO2025200537A1 publication Critical patent/WO2025200537A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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

Definitions

  • the present disclosure relates to the technical field of engineering machinery, and in particular to a road roller frame, a manufacturing method thereof, and a road roller.
  • roller frame is usually processed using traditional methods of stamping and welding, which has problems such as large processing volume, numerous steps, and difficult to control welding quality.
  • the frame is not lightweight enough, the heat-affected zone of the weld is prone to fatigue failure, and it cannot adapt to the harsh working conditions of construction machinery.
  • the cab support is constructed in an I-shape, including a first transverse bracket, a second transverse bracket and a second longitudinal bracket, the first transverse bracket and the second transverse bracket are arranged at intervals along the longitudinal direction of the frame, the second longitudinal bracket is connected to the first transverse bracket and the second transverse bracket respectively, and the first transverse bracket is connected to the fuel tank bracket.
  • the roller frame includes a support frame located between the first longitudinal side wall and the second longitudinal side wall, and the cab support, the water tank support and the hinge column are all connected to the support frame.
  • the rear frame comprises:
  • the radiator support, the battery support, the power compartment support and the hinge portion are all fixedly arranged between the third longitudinal side wall and the fourth longitudinal side wall.
  • the third longitudinal side wall or the fourth longitudinal side wall forms an L-shaped structure with the power compartment support.
  • the hinge portion is provided at a longitudinal front end of the rear frame for installing a hinge mechanism for hinge-connecting the front frame and the rear frame.
  • the present disclosure provides a method for manufacturing a road roller frame, comprising:
  • the front frame and the rear frame are hingedly connected.
  • the casting process is one of sand casting, lost foam casting, and counter-gravity casting.
  • Paint Paint the sand mold and sand core, and dry the coating after painting;
  • Core setting and box placement Place the sand mold and sand core into the sand box, and lay tungsten carbide particles in the area of the sand mold corresponding to the water tank support of the front frame, or lay tungsten carbide particles in the area of the sand mold corresponding to the bottom of the power compartment support of the rear frame;
  • the raw materials have the following composition: C: 0.30%, Si: 0.05%, Mn: 0.70%, Nb: 0.008%, V: 0.015%, Ni: 0.6%, Cr: 0.30%, P: ⁇ 0.020%, S: ⁇ 0.005%, and the balance is Fe; and
  • Sand removal After the frame casting solidifies, the frame casting is taken out of the box and left to air cool. After it is completely cooled, the frame casting is heat treated, and then shot blasting, machining and other processes are performed to obtain qualified frame samples.
  • the casting process includes the following steps:
  • Making mold preparing the mold according to the model of the front frame and/or rear frame;
  • Brushing paint Brush paint on the sand core and dry the coating after brushing.
  • Melting and pouring Melting the raw materials, the composition of which is C: 0.20%, Si: 0.1%, Mn: 0.6%, Nb: 0.005%, V: 0.010%, Ni: 0.5%, Cr: 0.20%, P: ⁇ 0.020%, S: ⁇ 0.005%, and the balance is Fe; pouring the raw materials into a sand mold, controlling the pouring temperature at 1620°C, and allowing them to cool and solidify in the mold; and
  • the casting process includes the following steps:
  • Paint paint the shell model and dry the coating after painting
  • Place the sand mold in the sand box Place the sand mold in the sand box: Place the sand mold in the sand box, pour a mixture of raw sand and steel balls into the gap between the sand box and the sand mold, and vibrate with a vibrating plate.
  • roller frame multiple separate and dispersed components such as the frame side guard plates, cab supports and bottom supports are integrated into one, achieving high integration and lightweight, reducing processing steps, shortening processing cycles, and improving production efficiency.
  • FIG1 is a schematic structural diagram of a front frame according to an embodiment of the present disclosure.
  • FIG2 is a schematic structural diagram of a rear frame according to an embodiment of the present disclosure.
  • the front frame 100 includes a first longitudinal side wall 110 and a second longitudinal side wall 120 arranged in parallel, a fuel tank support 130, a cab support 140 and a water tank support 150.
  • the fuel tank support 130, the cab support 140 and the water tank support 150 are all fixedly arranged between the first longitudinal side wall 110 and the second longitudinal side wall 120.
  • the fuel tank support 130 is used to install the fuel tank
  • the cab support 24 is used to install the cab
  • the water tank support 150 is used to install the water tank.
  • the roller frame may include a first longitudinal bracket 170 located between the first longitudinal side wall 110 and the second longitudinal side wall 120.
  • the first longitudinal bracket 170 connects the fuel tank support 130 and the cab support 140.
  • the fuel tank support 30 and the cab support 140 form a hollow rectangular frame.
  • the first longitudinal bracket 170 divides the rectangular frame into two hollow small rectangular frames, so that the rectangular frame forms a "sun" type structure.
  • the cab support 140 can be constructed in an "I"-shaped structure, comprising a first transverse bracket 141, a second transverse bracket 142, and a second longitudinal bracket 143.
  • the first transverse bracket 141 and the second transverse bracket 142 are spaced apart longitudinally along the vehicle frame, and the ends of the second longitudinal bracket 143 are respectively connected to the middle portions of the first transverse bracket 141 and the second transverse bracket 142.
  • the first transverse bracket 141 is connected to the first longitudinal sidewall 110, the second longitudinal sidewall 120, and the fuel tank support 130.
  • the first transverse bracket 141 and the second transverse bracket 142 are provided with a plurality of cab mounting holes 144 for mounting the cab.
  • the water tank support 150 may be located below the cab support 140 .
  • the water tank support 150 includes two sub-supports 151 symmetrically arranged along the longitudinal direction of the vehicle frame. The area between the two sub-supports 151 is hollow.
  • the raw materials are placed in an electric arc furnace for melting. After melting, appropriate amounts of desulfurizers and alloying elements are added for refining.
  • the composition of the molten steel is adjusted to C: 0.20%, Si: 0.1%, Mn: 0.6%, Nb: 0.005%, V: 0.010%, Ni: 0.5%, Cr: 0.20%, P: ⁇ 0.020%, S: ⁇ 0.005%, and the balance is Fe.
  • the qualified molten steel is poured into a ladle, which is placed on a pouring table.
  • the molten steel is poured into a sand mold through a draft pipe.
  • the pouring temperature is controlled at 1620°C and allowed to cool and solidify in the mold.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

L'invention concerne un cadre de rouleau compresseur et son procédé de fabrication, ainsi qu'un rouleau compresseur. Le cadre de rouleau compresseur comprend : un cadre avant (100) ; et un cadre arrière (200) qui est articulé sur le cadre avant (100), le cadre avant (100) et/ou le cadre arrière (200) étant formé(s) d'un seul tenant par coulée. Par conséquent, un degré élevé d'intégration et un poids léger sont obtenus, les procédures de traitement sont réduites, la période de traitement est raccourcie et l'efficacité de fabrication est améliorée.
PCT/CN2024/136075 2024-12-02 2024-12-02 Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur Pending WO2025200537A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/136075 WO2025200537A1 (fr) 2024-12-02 2024-12-02 Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/136075 WO2025200537A1 (fr) 2024-12-02 2024-12-02 Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur

Publications (1)

Publication Number Publication Date
WO2025200537A1 true WO2025200537A1 (fr) 2025-10-02

Family

ID=97219582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/136075 Pending WO2025200537A1 (fr) 2024-12-02 2024-12-02 Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur

Country Status (1)

Country Link
WO (1) WO2025200537A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101283A (ja) * 1987-10-15 1989-04-19 Suzuki Motor Co Ltd 自動二輪車のフレーム
CN1687476A (zh) * 2005-05-19 2005-10-26 石卫东 一种高铬铸铁叶片及其生产工艺
CN101070708A (zh) * 2006-05-10 2007-11-14 日立建机株式会社 工程机械
CN202416129U (zh) * 2012-01-04 2012-09-05 三一重工股份有限公司 一种双钢轮压路机车架和双钢轮压路机
WO2013007946A2 (fr) * 2011-07-13 2013-01-17 Société Civile Médinger R D Procede de compactage en surface, outils, modules et engins pour sa mise en oeuvre
CN106799463A (zh) * 2016-12-20 2017-06-06 广西玉柴机器配件制造有限公司 一种铁型覆砂工艺铸造气缸盖的生产方法
CN111974940A (zh) * 2020-07-06 2020-11-24 北京工业大学 破碎物料用锤头及其制备方法
KR102704044B1 (ko) * 2023-06-16 2024-09-05 김영구 효율성 및 안전성이 개선된 주조 몰딩라인 제조시스템
CN119489870A (zh) * 2024-12-02 2025-02-21 江苏徐工工程机械研究院有限公司 压路机车架及其制造方法以及压路机

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101283A (ja) * 1987-10-15 1989-04-19 Suzuki Motor Co Ltd 自動二輪車のフレーム
CN1687476A (zh) * 2005-05-19 2005-10-26 石卫东 一种高铬铸铁叶片及其生产工艺
CN101070708A (zh) * 2006-05-10 2007-11-14 日立建机株式会社 工程机械
WO2013007946A2 (fr) * 2011-07-13 2013-01-17 Société Civile Médinger R D Procede de compactage en surface, outils, modules et engins pour sa mise en oeuvre
CN202416129U (zh) * 2012-01-04 2012-09-05 三一重工股份有限公司 一种双钢轮压路机车架和双钢轮压路机
CN106799463A (zh) * 2016-12-20 2017-06-06 广西玉柴机器配件制造有限公司 一种铁型覆砂工艺铸造气缸盖的生产方法
CN111974940A (zh) * 2020-07-06 2020-11-24 北京工业大学 破碎物料用锤头及其制备方法
KR102704044B1 (ko) * 2023-06-16 2024-09-05 김영구 효율성 및 안전성이 개선된 주조 몰딩라인 제조시스템
CN119489870A (zh) * 2024-12-02 2025-02-21 江苏徐工工程机械研究院有限公司 压路机车架及其制造方法以及压路机

Similar Documents

Publication Publication Date Title
CN102728790B (zh) 一种柴油机灰口铸铁飞轮壳铁型覆砂铸造工艺
CN106077507A (zh) 一种汽车水冷电机壳铸件的铸造模及铸造工艺
CN102294435B (zh) 采用激冷面层涂料的复合型壳熔模铸造生产抛丸机叶片的方法
CN104999051A (zh) 汽车电机壳低压铸造方法及电机壳结构
CN108531803A (zh) 一种球墨铸铁阀体的铸造方法
CN102189245B (zh) 消失模铸造双金属双液复合破碎机锤的工艺方法
CN112387958B (zh) 一种超级双相不锈钢单级双吸离心泵泵壳的制造方法
CN107971464B (zh) 一种生产双螺杆挤塑机筒体衬套的模具
CN106966569B (zh) 一种镶铸仿型镍芯的合金铸铁玻璃模具及其制造方法
CN107716872A (zh) 一种大型工作台铸件的铸造方法
CN107745095A (zh) 一种整体叶轮树脂砂和金属型复合铸型及制备方法
CN103521705A (zh) 金属型模具及其制造方法、金属型铸造设备
CN119489870A (zh) 压路机车架及其制造方法以及压路机
CN105586504A (zh) 大型轴套及其铸造方法
CN116140549A (zh) 一种提升箱体铸造工艺
CN114043824B (zh) 一种整体铸钢转向驱动桥壳及其制作方法
CN101209486A (zh) 大型铸齿铸件防止铸齿表面产生铸造缺陷的方法
CN112828245B (zh) 一种生产挤塑机筒体螺纹套的制造方法及其制造模具
WO2025200537A1 (fr) Cadre de rouleau compresseur et son procédé de fabrication, et rouleau compresseur
CN109518073A (zh) 一种z字形球墨铸铁平台及其铸造方法
CN110846560B (zh) 一体铸造成型的舵承木笼铸钢件及制作方法
CN108251738B (zh) 高镍高铬耐热耐磨汽车底盘配件的生产工艺
CN109897922A (zh) 一种大型冶金渣罐
CN109825655A (zh) 一种大型冶金渣罐制造方法
CN109014087A (zh) 一种铸钢钢锭模及其制作工艺

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: 24932951

Country of ref document: EP

Kind code of ref document: A1