WO2016112736A1 - 轨道列车及其轴箱结构 - Google Patents
轨道列车及其轴箱结构 Download PDFInfo
- Publication number
- WO2016112736A1 WO2016112736A1 PCT/CN2015/094415 CN2015094415W WO2016112736A1 WO 2016112736 A1 WO2016112736 A1 WO 2016112736A1 CN 2015094415 W CN2015094415 W CN 2015094415W WO 2016112736 A1 WO2016112736 A1 WO 2016112736A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axle box
- hole
- box structure
- mount
- positioning node
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/20—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/12—Axle-boxes with roller, needle, or ball bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/28—Axle-boxes integral with, or directly secured to, vehicle or bogie underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/32—Guides, e.g. plates, for axle-boxes
- B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles
Definitions
- the invention relates to the technical field of rail vehicles, in particular to a rail train and an axle box structure thereof.
- the axle box structure is the movable joint connecting the frame and the wheel pair. In addition to transmitting the force and vibration in all directions, the axle box structure must ensure that the wheel pair can adapt to the line condition and jump up and down and left and right traverse with respect to the frame.
- the axle box structure is an important component for connecting the wheel pair and the frame, and the axial structure generally adopts two structures of a boom type and a tie rod type.
- most rail trains adopt a swing arm axle box structure, wherein the swing arm axle box structure includes an integrated axle box and a rotating arm, that is, a swing arm axle box, and the swing arm axle box includes an axle box body and a positioning node installation.
- a bearing is arranged inside the axle box body, and an end of the axle is disposed in the axle box through a bearing, and an axle box spring is disposed between the upper end surface of the axle box body and the bogie frame, and the outer wall of the axle box is further provided with a vertical direction
- the damper mount is used to mount one end of the vertical damper, and the other end of the vertical damper is connected to the frame.
- the positioning node mount is used to mount the positioning node, and the positioning node is used to transmit the traction force and the braking force between the wheel set and the frame.
- a brake disc is also mounted on the axle near the inner side of the wheel pair, and a brake clamp for braking the brake disc is also mounted on the frame, wherein the wheelset and the brake disc are required to be able to be driven from the axle during later use. Disassembly and quick replacement.
- the above-mentioned arm type axle box is installed on the outer side of the wheel pair, that is, the parts mounted on the wheel pair attachment are relatively many, but since the bottom space is limited, the arm type axle box, the brake disc and the brake clamp.
- the components can only be arranged in a limited space, that is to say, the structure of the above components directly affects the assembly relationship between the components, and even relates to the performance of the entire vehicle. Therefore, optimizing the positional relationship between the arm frame, the brake disc and the brake caliper has been the field. The goal that technicians are constantly pursuing.
- the object of the present invention is to provide a rail train and an axle box structure.
- the arrangement of the vehicle bottom components is further optimized, and the vehicle braking reliability and the wheel set replacement speed can be improved.
- the invention provides an axle box structure of a rail train, comprising an axle box body and a positioning node mounting seat, wherein the axle box body is provided with a bearing mounting cavity, and the positioning node mounting seat is provided with a mounting cavity for mounting the positioning node.
- the longitudinal centerline of the axle housing is parallel to the longitudinal center plane of the positioning node mount, and the longitudinal center plane of the positioning node mount is offset outward from the longitudinal center of the axle housing.
- the assembly position between the axle, the bogie frame, the wheelset and the brake caliper is further optimized, and the longitudinal center plane of the positioning node mount is deviated outward from the longitudinal center of the axle box body, and accordingly, the frame is fixed.
- the axial center of the spring tube is different from the center of the side beam of the fixed positioning node, which can leave more space for the installation of the brake caliper, facilitate the installation and replacement of the brake caliper and the wheel set, of course, with the prior art.
- the brake clamp installation position has a larger available space, which is advantageous for installing a relatively large brake clamp and improving the braking capability, thereby improving the overall vehicle performance.
- the installation of the positioning node is also easier to install and disassemble than the outer side.
- the axle box body is a split structure, including a sealingly matched upper case and a lower case, the upper case and the lower case jointly enclosing the bearing installation cavity, and both pass bolts Connected, the positioning node mount is integrally formed with the upper case.
- the lower end surface of the upper case has two downwardly extending protrusions at both outer edges of the axial direction, and the outer side edges of the upper end surface of the lower case have downward recesses, the upper case and a first semi-circular hole and a second semi-circular hole are respectively disposed in a middle portion of the lower case, and the first semi-circular hole and the second semi-circular hole form the Bearing mounting cavity.
- the protrusion further has an outwardly extending first boss, the recess has a second boss extending outwardly, and the first boss is provided with an internally threaded hole, the second boss A through hole is disposed thereon, and the upper case and the lower case are fixedly connected by bolts simultaneously disposed in the through hole and the internally threaded hole.
- both ends of the first boss have outwardly extending extensions, and the extensions are provided with a vertical damper mounted in cooperation with a vertical damper of the rail train. seat.
- the positioning pin further includes a middle large diameter section and a small diameter section at both ends of the large diameter section, and the upper end surface of the second boss is further provided with a counterbore, and the large diameter section
- the height of the hole is smaller than the height of the large hole of the counterbore, and the matching position of the lower end surface of the first boss is also provided with a positioning hole.
- the outer wall of the upper box is further provided with a wheel pair lifting seat, the wheel pair lifting seat is provided with a vertical lifting hole; and the bottom wall of the lower box is further provided with a row discharging A device mount for mounting a barrier device for a fixed rail train.
- the ends of the upper case and the lower case connecting end cover are respectively provided with a first drainage groove and a second drainage groove circumferentially, and the upper case and the lower case are installed Thereafter, the first drainage groove and the second drainage groove form an annular groove.
- the positioning node mounting seat is a split structure, including a left mounting seat and a right mounting seat, the left mounting seat is integrally formed with the upper box body, and the left mounting seat and the right mounting seat both have Inwardly recessed portions, when the left mount and the right mount are cooperatively fixed, the two recessed portions form a mounting cavity of the positioning node.
- the present invention also provides a rail train comprising a wheel set, a frame, and an axle box structure mounted between the wheel set and the frame, the axle box structure being the axle box structure according to any one of the above, A side beam that fits the mounting of the positioning node is disposed on the frame.
- the rail train has the above-described axle box structure, the above-mentioned technical effects of the axle box structure are also provided.
- FIG. 1 is a schematic structural view of an axle box structure according to an embodiment of the present invention.
- Figure 2 is a plan view of the axle box structure of Figure 1;
- Figure 3 is an A-A view of Figure 2;
- Figure 4 is a C-C view of Figure 2;
- Figure 5 is a B-B view of Figure 1.
- the core of the invention provides a rail train and axle box structure.
- the arrangement of the vehicle bottom components is further optimized, and the vehicle braking reliability and the wheel set replacement speed can be improved.
- FIG. 1 is a schematic structural view of an axle box structure according to an embodiment of the present invention
- FIG. 2 is a top view of the axle box structure shown in FIG.
- the invention provides an axle box structure of a rail train, comprising an axle box body and a positioning node mounting seat 112.
- the axle box body is provided with a bearing mounting cavity 1a, the bearing is installed inside the bearing mounting cavity 1a, and the axle of the wheel set is arranged.
- the end portion is provided inside the bearing mounting chamber 1a of the axle housing through a bearing.
- the front end cover and the rear end cover are also provided on both sides of the bearing mounting cavity 1a of the axle housing.
- the upper end surface of the axle housing is further provided with an axle box spring mounting seat 111 for mounting the axle box spring.
- the frame is provided with a spring cylinder, and the axle box spring is disposed on the spring cylinder.
- the axle box spring mount 111 is provided with a threaded hole 111a for fixing the spring cylinder.
- the positioning node mount 112 is provided with a mounting cavity for mounting a positioning node for transmitting traction and braking force between the wheel set and the frame.
- a brake disc is mounted on the axle near the inner side of the wheel pair, and a brake clamp for braking the brake disc is also mounted on the frame.
- the longitudinal centerline of the axle box body and the positioning node mount 112 The longitudinal center planes are parallel, and the longitudinal center plane of the positioning node mount 112 is offset outward from the longitudinal center of the axle box.
- the offset distance H may be selected according to design, preferably about 10-30 mm, about 20 mm.
- the side members of the frame for connecting the positioning nodes are correspondingly offset outwardly by an appropriate spacing.
- the assembly position between the axle, the bogie frame, the wheelset and the brake caliper is further optimized, and the longitudinal center plane of the positioning node mount 112 is offset outward from the longitudinal center of the axle box body, and accordingly, the frame
- the axial center of the fixed spring cylinder is different from the center of the side beam of the fixed positioning node, which can leave more space for the installation of the brake clamp, facilitating the installation and replacement of the brake clamp and the wheel set, of course, and existing
- the optimized structure of the brake clamp clamp has a larger available space, which is beneficial to the installation of a relatively large brake clamp and improve the braking capacity, thereby improving the performance of the vehicle.
- the installation of the positioning node is also easier to install and disassemble than the outer side.
- the axle box body may further be a split structure, including a sealed and fitted upper case 11 and lower case 12, and the upper case 11 and the lower case 12 are enclosed together.
- the bearing mounting cavity 1a is connected by bolts, and the positioning node mount 112 is integrally formed with the upper case 11.
- the lower casing 12 can be detached from the upper casing 11 and the related components connected to the lower casing 12 can be disassembled to realize the replacement of the wheelset without disassembling the entire axle casing. Improve the replacement efficiency of the wheelset.
- FIG. 3 is an AA view of FIG. 2; in a specific embodiment, the lower end surface of the upper casing 11 has downwardly extending convex portions 116 along the outer side edges of the upper casing 11 and the lower casing
- the upper end surface of the upper end surface of the 12 has a downward recess 123 in the axial direction, and the middle portion of the upper case 11 and the lower case 12 are respectively provided with a first semicircular hole and a second semicircular hole, and the convex portion 116 is engaged with the concave portion 123.
- the first semicircular hole and the second semicircular hole form the bearing mounting cavity 1a.
- the axial direction refers to the axial direction of the axle when the axle housing and the wheel pair are in the assembled position.
- a sealing ring or the like may be disposed between the upper case 11 and the lower case 12 to achieve a snap-fit seal assembly, which is advantageous for improving the sealing property of the bearing mounting cavity 1a.
- Both the upper case 11 and the lower case 12 can be provided with both a labyrinth seal and a gap seal to ensure sealing performance.
- FIG. 4 is a C-C view of FIG. 2.
- the convex portion 122 may further have an outwardly extending first boss 115.
- the concave portion 123 has an outwardly extending second boss 122.
- the first boss 115 is provided with an internally threaded hole 115a, and the second boss 122 is disposed.
- a through hole 122a is provided, and the upper case 11 and the lower case 12 are fixedly connected by bolts simultaneously provided in the through hole 122a and the internally threaded hole 115a.
- both end portions of the first boss 115 have outwardly extending extensions, and the two extension portions are provided with a vertical damping device installed in cooperation with the vertical damper of the rail train.
- Device mount 113 In this embodiment, the vertical damper mount 113 and the upper casing 11 are integrally formed, and the subsequent processing of the axle box body can be simplified, and the use strength of the axle box body can be improved.
- the axle box structure in the above embodiments may further include a positioning pin 114 including a central large diameter section 141 and a small diameter section at both ends of the large diameter section 141.
- the upper end surface of the second boss 122 is further provided with a counterbore, the counterbore includes a large diameter hole having a large aperture and a small diameter hole having a small aperture, and the height of the large diameter section 141 is smaller than the height of the large diameter hole of the counterbore,
- the matching position of the lower end surface of the boss 115 is also provided with a positioning hole.
- the two small diameter segments are respectively disposed inside the small diameter hole of the counterbore and inside the positioning hole.
- the two small diameter segments are defined as the first small diameter segment 142 and the second small diameter segment 143 respectively, and the two are respectively matched with the positioning holes of the first boss 115 and the small diameter holes of the counterbore, and the cooperation may be a clearance fit or a Fit.
- the second small diameter section 143 of the positioning pin 114 can be firstly disposed in the small diameter hole of the counterbore of the second boss 122, and the upper case 11 and the lower part are realized.
- the casing 12 is quickly and accurately positioned, and then the upper casing 11 and the lower casing 12 are fixed by bolts.
- the outer wall of the upper casing 11 may further be provided with a wheel pair lifting seat, and the wheel pair
- the lifting seat is provided with a vertical lifting hole
- the bottom of the outer wall of the lower box 12 is further provided with a barrier device mounting seat 121 for mounting the obstacle device of the fixed rail train, and the specific structure of the obstacle device mounting seat 121 Please refer to Figure 3.
- FIG. 5 is a B-B view of FIG. 2, wherein only the left mount is shown in FIG. 1-2, and the right mount is not shown.
- the positioning node mount 112 may be a split structure, including a left mount and a right mount, and the left mount is integrally formed with the upper enclosure 11, and both the left mount and the right mount are The inner recess has a recessed portion, and when the left mount and the right mount are fixed, the two recesses form a mounting cavity of the positioning node.
- the left mount and the right mount are connected by bolts, and the specific arrangement of the mounting holes 112a of the left mount is shown in FIG. 5.
- the ends of the upper case 11 and the lower case 12 connected to the end cover are further provided with a first drainage groove 11c and a second drainage groove 12c in the circumferential direction, respectively, the upper case 11 and the lower case 12 After installation, the first drain groove 11c and the second drain groove 12c form an annular groove. This setting prevents liquid such as water from directly entering the inside of the shaft housing.
- an oil drain hole 12b is further provided in the lower casing 12, and the flaw detection oil, the bearing grease, and the like can be discharged without removing other components, thereby improving work efficiency.
- the present invention also provides a railway train comprising a wheel set, a frame and an axle box structure installed between the wheel set and the frame, and the axle box structure is the axle box structure of any of the above embodiments. .
- the rail train has the above-described axle box structure, the above-mentioned technical effects of the axle box structure are also provided.
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Abstract
Description
Claims (10)
- 一种轨道列车的轴箱结构,包括轴箱体和定位节点安装座(112),所述轴箱体内设置有轴承安装腔(1a),所述定位节点安装座(112)设置有安装定位节点的安装腔,其特征在于,所述轴箱体纵向中心线与所述定位节点安装座(112)的纵向中心面平行,且所述定位节点安装座(112)的纵向中心面相对所述轴箱体的纵向中心面向外侧偏离。
- 如权利要求1所述的轨道列车的轴箱结构,其特征在于,所述轴箱体为分体式结构,包括密封配合的上箱体(11)和下箱体(12),所述上箱体(11)和所述下箱体(12)共同围成所述轴承安装腔(1a),且两者通过螺栓连接,所述定位节点安装座(112)与所述上箱体(11)一体成型。
- 如权利要求2所述的轨道列车的轴箱结构,其特征在于,所述上箱体(11)的下端面沿轴向的两外侧缘具有向下延伸的凸部(116),所述下箱体(12)的上端面的两外侧缘具有向下的凹部(123),所述上箱体(11)和所述下箱体(12)的中部分别设有第一半圆孔和第二半圆孔,所述凸部(116)和所述凹部(123)扣合密封装配后,所述第一半圆孔与所述第二半圆孔形成所述轴承安装腔(1a)。
- 如权利要求3所述的轨道列车的轴箱结构,其特征在于,所述凸部(116)还具有向外延伸的第一凸台(115),所述凹部(123)具有向外延伸的第二凸台(122),所述第一凸台(115)上设置有内螺纹孔(115a),所述第二凸台(122)上设置有通孔(122a),所述上箱体(11)和所述下箱体(12)通过同时设于所述通孔(122a)和所述内螺纹孔(115a)内的螺栓固定连接。
- 如权利要求4所述的轨道列车的轴箱结构,其特征在于,沿轴向,所述第一凸台(115)的两端部具有向外延伸的延伸部,两所述延伸部设置有与轨道列车的垂向减振器配合安装的垂向减振器安装座(113)。
- 如权利要求4至5任一项所述的轨道列车的轴箱结构,其特征在于,还包括定位销(14),所述定位销(14)包括中部大径段(141)以及位于所述大径段(141)两端的小径段,所述第二凸台(122)的上端面还设有 沉孔,且所述大径段(141)的高度小于所述沉孔的大孔的高度,所述第一凸台(115)的下端面的配合位置也设置有定位孔,当所述上箱体(11)和所述下箱体(12)配合安装时,两所述小径段分别设于所述沉孔的小孔内部和所述定位孔内部。
- 如权利要求2所述的轨道列车的轴箱结构,其特征在于,所述上箱体(11)的外壁上还设置有轮对提吊座(114),所述轮对提吊座(114)上设置有竖向的提吊孔;所述下箱体(12)的外壁底部还设置有排障装置安装座,用于安装固定轨道列车的排障装置。
- 如权利要求2所述的轨道列车的轴箱结构,其特征在于,所述上箱体(11)和所述下箱体(12)连接端盖的端部分别周向还设置有第一排水凹槽(11c)和第二排水凹槽(12c),所述上箱体(11)和所述下箱体(12)安装后,所述第一排水凹槽(11c)和所述第二排水凹槽(12c)形成环状凹槽。
- 如权利要求2至5任一项所述的轨道列车的轴箱结构,其特征在于,所述定位节点安装座(112)为分体结构,包括左安装座和右安装座,所述左安装座与所述上箱体(11)一体成型,所述左安装座和所述右安装座均具有向内的凹陷部,当左安装座和所述右安装座配合固定后,两所述凹陷部形成所述定位节点的安装腔。
- 一种轨道列车,包括轮对、构架以及安装于所述轮对和所述构架之间的轴箱结构,其特征在于,所述轴箱结构为权利要求1至9任一项所述的轴箱结构,所述构架上设置配合安装所述定位节点的侧梁。
Priority Applications (2)
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US15/112,513 US9744976B2 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
GB1612496.8A GB2536397B8 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
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CN201510021216.0 | 2015-01-16 | ||
CN201510021216.0A CN104608789B (zh) | 2015-01-16 | 2015-01-16 | 轨道列车及其轴箱结构 |
CN201520029771.3 | 2015-01-16 | ||
CN201520029771.3U CN204488815U (zh) | 2015-01-16 | 2015-01-16 | 轨道列车及其轴箱结构 |
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AT514373B1 (de) * | 2013-05-02 | 2019-03-15 | Siemens Ag Oesterreich | Radsatzlagerung für den Radsatz eines Schienenfahrzeugs mit innengelagertem Drehgestell |
US10196075B2 (en) * | 2015-01-16 | 2019-02-05 | Crrc Qingdao Sifang Co., Ltd. | Railway vehicle and axle box structure thereof |
US10011287B2 (en) * | 2015-02-05 | 2018-07-03 | Crrc Qingdao Sifang Co., Ltd. | Bogie for high-speed railway vehicle |
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- 2015-11-12 US US15/112,513 patent/US9744976B2/en active Active
- 2015-11-12 GB GB1612496.8A patent/GB2536397B8/en active Active
- 2015-11-12 WO PCT/CN2015/094415 patent/WO2016112736A1/zh active Application Filing
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US20160368512A1 (en) | 2016-12-22 |
GB2536397A (en) | 2016-09-14 |
GB2536397B8 (en) | 2017-10-04 |
GB2536397B (en) | 2017-06-28 |
GB201612496D0 (en) | 2016-08-31 |
US9744976B2 (en) | 2017-08-29 |
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