CN104608789A - Rail train and shaft box structure thereof - Google Patents
Rail train and shaft box structure thereof Download PDFInfo
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- CN104608789A CN104608789A CN201510021216.0A CN201510021216A CN104608789A CN 104608789 A CN104608789 A CN 104608789A CN 201510021216 A CN201510021216 A CN 201510021216A CN 104608789 A CN104608789 A CN 104608789A
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- box
- mount pad
- location node
- track train
- boss
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a rail train and a shaft box structure of the rail train. The shaft box structure comprises a shaft box body and a positioning joint installing base (112), a bearing installing cavity (1a) is formed in the shaft box body, the positioning joint installing base (112) is provided with an installing cavity used for installing a positioning joint, the longitudinal center line of the shaft box body is parallel to the longitudinal center face of the positioning joint installing base (112), and the longitudinal center face of the positioning joint installing base (112) deviates to the outer side relative to the longitudinal center face of the shaft box body. Accordingly, large space can be reserved for a brake clamp, and the brake clamp and a wheel pair are convenient to install and replace. Compared with the prior art, the shaft box structure is optimized, a brake clamp installing position has a larger available space, installation of relatively large brake clamps is facilitated, braking capacity is improved, and the performance of the whole train is improved. Besides, the positioning joint is installed close to the outer side so that the positioning joint can be easily installed and detached.
Description
Technical field
The present invention relates to guideway vehicle technical field, particularly a kind of track train and structure of axle box thereof.
Background technology
Structure of axle box connects framework and takes turns right turning joint, and except the power of transmission all directions is with except vibrations, structure of axle box must be taken turns adapting to line conditions relative to framework bob and left and right traversing in guarantee.
Structure of axle box is as the important spare part of fifth wheel pair and framework, and axial arrangement generally adopts pivoted arm and rod-pulling type two kinds of structures.Current most of track train adopts pivoted arm structure of axle box, wherein pivoted arm structure of axle box comprises axle box and the pivoted arm of integral type, i.e. pivoted arm axle box, pivoted arm axle box comprises journal box body and location node mount pad, journal box body inside is provided with bearing, the end of axletree is located in axle box by bearing, journal box spring is provided with between the upper surface of journal box body and truck frame, journal box body outer wall is also provided with vertical damper mount pad, for installing one end of vertical damper, the other end of vertical damper connects framework.Location node mount pad is for installing location node, and location node is in order to the tractive force between transfer wheel pair and framework and braking force.
At present, being positioned at wheel and being also provided with brake disc on the axletree near inner side, framework being also provided with the brake clamp for braking brake disc, wherein taking turns can from axletree dismounting and quick-replaceable in later stage use procedure to, brake disc requirement.Above-mentioned pivoted arm axle box is installed on the right outside of wheel, that is, be installed on wheel many to the parts of annex, but because car base space is limited, therefore each parts of pivoted arm axle box, brake disc, brake clamp can only be arranged in finite space, that is, the structure of above-mentioned each parts directly affects the assembly relation between each parts, even relates to the performance of car load.Therefore, the position relationship optimized between pivoted arm axle box, brake disc, brake clamp is the target that those skilled in that art constantly pursue always.
Therefore, how according to the present situation of car body, optimizing pivoted arm axle box, brake disc, brake clamp wait for bus the layout of bottom parts on car body, optimize arrangement, and improve wheel to replacing speed, is those skilled in that art's technical matterss urgently to be resolved hurrily.
Summary of the invention
Object of the present invention, for providing a kind of track train and structure of axle box, by changing the concrete structure of structure of axle box, optimizes the layout of car bottom parts further, can improve car load braking reliability and take turns replacing speed.
The invention provides a kind of structure of axle box of track train, comprise journal box body and location node mount pad, bearing installation cavity is provided with in described journal box body, described location node mount pad is provided with the installation cavity installing location node, described journal box body longitudinal centerline is parallel with the longitudinal center face of described location node mount pad, and the longitudinal center of the relatively described journal box body in the longitudinal center face of described location node mount pad departs from towards outside.
Herein to axletree, truck frame, it is right to take turns, rigging position between brake clamp has carried out further optimization, the longitudinal center of the relative journal box body in longitudinal center face of location node mount pad is departed from towards outside, correspondingly, framework fixing spring cylinder axial centre is different from the curb girder center of stationary positioned node, larger space can be reserved like this for the installation of brake clamp, be convenient to brake clamp, take turns right installation and replacing, certainly, compared with prior art, structure after optimizing herein, brake clamp installation site has larger utilized space, be conducive to the brake clamp that installation volume is relatively large, improve braking potential, thus raising vehicle performance.
In addition, the installation of location node also easier to mount, disassembling section near outside.
Preferably, described journal box body is split-type structural, comprises the upper box and lower box that are sealed and matched, and described upper box and described lower box surround described bearing installation cavity jointly, and both are bolted, described location node mount pad and described upper box one-body molded.
Preferably, lower surface two lateral borders vertically of described upper box have the protuberance to downward-extension, two lateral borders of the upper surface of described lower box have downward recess, the middle part of described upper box and described lower box is respectively equipped with the first semicircle orifice and the second semicircle orifice, after described protuberance and described recess fasten sealing assembling, described first semicircle orifice and described second semicircle orifice form described bearing installation cavity.
Preferably, described protuberance also has outward extending first boss, described recess has outward extending second boss, described first boss is provided with internal thread hole, described second boss is provided with through hole, and described upper box is fixedly connected with the bolt in described internal thread hole by being located at described through hole simultaneously with described lower box.
Preferably, vertically, the both ends of described first boss have outward extending extension, and extension described in two is provided with the vertical damper mount pad coordinating with the vertical damper of track train and install.
Preferably, also comprise locating dowel pin, described locating dowel pin comprises the large footpath section in middle part and is positioned at the path section at section two ends, described large footpath, the upper surface of described second boss is also provided with counterbore, and the height of described large footpath section is less than the height of the macropore of described counterbore, the cooperation position of the lower surface of described first boss is also provided with knock hole, and when described upper box and described lower box coordinate installation, the inner and described knock hole of aperture that path section described in two is located at described counterbore is respectively inner.
Preferably, the outer wall of described upper box being also provided with wheel to lifting seat, describedly taking turns lifting seat being provided with vertical lifting hole; Obstacle deflector mount pad is also provided with, for installing the obstacle deflector of trapped orbit train bottom the outer wall of described lower box.
Preferably, described upper box is connected end cap end with described lower box respectively circumference is also provided with the first drain groove and the second drain groove, after described upper box and described lower box are installed, described first drain groove and described second draining groove type groove circlewise.
Preferably, described location node mount pad is Split type structure, comprise left mount pad and right mount pad, described left mount pad and described upper box one-body molded, described left mount pad and described right mount pad all have inside depressed part, after left mount pad and described right mount pad cooperation are fixed, depressed part described in two forms the installation cavity of described location node.
Present invention also offers a kind of track train, comprise wheel to, framework and be installed on described take turns to and described framework between structure of axle box, described structure of axle box is the structure of axle box described in above-mentioned any one, described framework is arranged the curb girder coordinating and install described location node.
Because track train possesses above-mentioned structure of axle box, therefore track train also possesses the above-mentioned technique effect of this structure of axle box.
Accompanying drawing explanation
Fig. 1 is the structural representation of structure of axle box in an embodiment of the present invention;
Fig. 2 is the birds-eye view of structure of axle box shown in Fig. 1;
Fig. 3 is the A-A view in Fig. 2;
Fig. 4 is the C-C view in Fig. 2;
Fig. 5 is the B-B view in Fig. 2.
Wherein, the one-to-one relationship in Fig. 1 to Fig. 5 between component names and Reference numeral is as follows:
Upper box 11, bearing installation cavity 1a, tapped bore 11a, first row tank 11c, second row tank 12c, spring mounting seat 111, tapped bore 111a, location node mount pad 112, mounting hole 112a, vertical damper mount pad 113, wheel is to lifting seat 114, tapped bore 115a, protuberance 116, first boss 115, second boss 122, lower box 12, outage 12b, obstacle deflector mount pad 121, boss 122, through hole 122a, recess 123, pivoted arm 13, locating dowel pin 114, large footpath section 141, first path section 142, second path section 143.
Detailed description of the invention
Core of the present invention, for providing a kind of track train and structure of axle box, by changing the concrete structure of structure of axle box, optimizes the layout of car bottom parts further, can improve car load braking reliability and take turns replacing speed.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1-Fig. 2, Fig. 1 is the structural representation of structure of axle box in an embodiment of the present invention; Fig. 2 is the birds-eye view of structure of axle box shown in Fig. 1.
The invention provides a kind of structure of axle box of track train, comprise journal box body and location node mount pad 112, bearing installation cavity 1a is provided with in journal box body, bearing is installed on the inside of bearing installation cavity 1a, and the bearing installation cavity 1a that journal box body is located at by bearing in the end being provided with the right axletree of wheel is inner.In order to protect internal bearings from the impact of external environment, the both sides of the bearing installation cavity 1a of journal box body are also provided with front end cover and rear side housing.The upper surface of journal box body is also provided with journal box spring mount pad 111, and for installing journal box spring, correspondingly, framework is provided with spring strut, journal box spring is located at spring strut.Usually, journal box spring mount pad 111 is provided with tapped bore 111a, for fixing spring cylinder.
Location node mount pad 112 is provided with installs the installation cavity of location node, and location node is in order to the tractive force between transfer wheel pair and framework and braking force.Usually, be positioned at wheel and also brake disc be installed on the axletree near inner side, framework is also provided with the brake clamp for braking brake disc, in the present invention, journal box body longitudinal centerline is parallel with the longitudinal center face of location node mount pad 112, and the longitudinal center of the relative journal box body in longitudinal center face of location node mount pad 112 departs from towards outside, deviation distance H can according to design alternative, and preferred about 10-30mm, 20mm are better.Correspondingly, the spacing that the corresponding outside skew of the curb girder for connecting location node on framework is suitable.
Herein to axletree, truck frame, it is right to take turns, rigging position between brake clamp has carried out further optimization, the longitudinal center of the relative journal box body in longitudinal center face of location node mount pad 112 is departed from towards outside, correspondingly, framework fixing spring cylinder axial centre is different from the curb girder center of stationary positioned node, larger space can be reserved like this for the installation of brake clamp, be convenient to brake clamp, take turns right installation and replacing, certainly, compared with prior art, structure after optimizing herein, brake clamp installation site has larger utilized space, be conducive to the brake clamp that installation volume is relatively large, improve braking potential, thus raising vehicle performance.
In addition, the installation of location node also easier to mount, disassembling section near outside.
Right in order to be convenient to change wheel further, in a kind of specific embodiment, journal box body can be split-type structural further, comprise the upper box 11 and lower box 12 that are sealed and matched, upper box 11 and lower box 12 surround bearing installation cavity 1a jointly, and both are bolted, location node mount pad 112 is one-body molded with upper box 11.
Like this, when taking turns replacing, only lower box 12 need be dismantled from upper box 11, and the associated components that dismounting is connected with lower box 12 can realizing taking turns right replacing, without the need to dismantling whole journal box body, substantially increasing the replacing efficiency that wheel is right.
For the concrete connection structure of upper box 11 and lower box 12, by numerous embodiments, the concrete structure of a kind of upper box 11 and lower box 12 can be following present, specific as follows.
Please comprehensive reference Fig. 3, Fig. 3 be A-A view in Fig. 2; In a kind of detailed description of the invention, lower surface two lateral borders vertically of upper box 11 have the protuberance 116 to downward-extension, upper surface two lateral borders vertically of lower box 12 have downward recess 123, the middle part of upper box 11 and lower box 12 is respectively equipped with the first semicircle orifice and the second semicircle orifice, after protuberance 116 and recess 123 fasten and seal and assemble, the first semicircle orifice and the second semicircle orifice form bearing installation cavity 1a.It should be noted that, above-mentioned axis refers to that journal box body and wheel are to when being in rigging position, the axis direction of axletree.
Can arrange seal ring etc. between upper box 11 and lower box 12 to realize fastening sealing and assemble, this assembling mode is conducive to the leak tightness improving bearing installation cavity 1a.Labyrinth seal and clearance seal two kinds of structures can be established in upper box 11 and lower box 12 inside simultaneously, ensure sealing property.
Please refer to Fig. 4, Fig. 4 is the C-C view in Fig. 2.
Particularly, protuberance 122 can also have outward extending first boss 115, recess 123 has outward extending second boss 122, first boss 115 is provided with internal thread hole 115a, second boss 122 is provided with through hole 122a, and upper box 11 is fixedly connected with the bolt in internal thread hole 115a by being located at through hole 122a simultaneously with lower box 12.When the journal box body of this structure is fixed, the bottom-up through hole 122a passing the second boss 122 in the threaded portion of screw or bolt is tightened in the internal thread hole 115a of the first boss 115, realizes the reliable fixing of the first boss 115 and the second boss 122.
In a kind of detailed description of the invention, vertically, the both ends of the first boss 115 have outward extending extension, and two extensions are provided with the vertical damper mount pad 113 coordinating with the vertical damper of track train and install.In the present embodiment, vertical damper mount pad 113 is one-body molded with upper box 11, without the need to follow-up assembling, can simplify the processing technology of journal box body, can improve again the working strength of journal box body.
Assemble for the ease of upper box 11 and lower box 12, structure of axle box in the various embodiments described above can further include locating dowel pin 114, locating dowel pin 114 comprises large footpath, middle part section 141 and is positioned at the path section at section 141 two ends, large footpath, the upper surface of the second boss 122 is also provided with counterbore, counterbore comprises the less diameter holes in larger hole, large footpath, aperture and aperture, and the height of large footpath section 141 is less than the height in the hole, large footpath of counterbore, the cooperation position of the lower surface of the first boss 115 is also provided with knock hole, when upper box 11 and lower box 12 coordinate installation, two path sections are located at diameter holes inside and the knock hole inside of counterbore respectively.Two path sections are defined as the first path section 142 and the second path section 143 herein, both coordinate with the knock hole of the first boss 115 and the diameter holes of counterbore respectively, and this cooperation can be free-running fit, also can be interference fit.
Like this, upper box 11 and lower box 12 are when mounted, can first be located in the diameter holes of the counterbore of the second boss 122 by the second path section 143 of locating dowel pin 114, casing 11 and lower box 12 be located fast, accurately in realization, and then utilize bolt upper box 11 and lower box 12 to be fixed.
In the various embodiments described above, the outer wall of upper box 11 can also be provided with wheel to lifting seat, wheel is to lifting seat being provided with vertical lifting hole, obstacle deflector mount pad 121 is also provided with bottom the outer wall of lower box 12, for installing the obstacle deflector of trapped orbit train, the concrete structure of obstacle deflector mount pad 121 please refer to Fig. 3.
Please comprehensive reference Fig. 5, Fig. 5 be B-B view in Fig. 2, wherein only show left mount pad in Fig. 1-2, not shown right mount pad.
Further, for the ease of the quick-detachment of location node, location node mount pad 112 can be Split type structure, comprise left mount pad and right mount pad, left mount pad and upper box 11 one-body molded, left mount pad and right mount pad all have inside depressed part, and after left mount pad and the cooperation of right mount pad are fixed, two depressed parts form the installation cavity of location nodes.Left mount pad and right mount pad are bolted, and the concrete setting of the mounting hole 112a of left mount pad please refer to Fig. 5.
In the various embodiments described above, upper box 11 is connected end cap end with lower box 12 respectively circumference is also provided with the first drain groove 11c and the second drain groove 12c, after upper box 11 and lower box 12 are installed, the first drain groove 11c and the second drain groove 12c forms annular recess.This set-up mode can avoid the liquid such as water directly to enter journal box body inside.
Lower box 12 is also provided with outage 12b further, and when or else can dismantle miscellaneous part, the discharges such as oil, bearing grease of detecting a flaw, increase work efficiency.
On the basis of above-mentioned structure of axle box, additionally provide a kind of track train herein, comprise wheel to, framework and be installed on wheel to and framework between structure of axle box, structure of axle box is the structure of axle box of above-mentioned any embodiment.
Because track train possesses above-mentioned structure of axle box, therefore track train also possesses the above-mentioned technique effect of this structure of axle box.
Above a kind of track train provided by the present invention and structure of axle box thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. the structure of axle box of a track train, comprise journal box body and location node mount pad (112), bearing installation cavity (1a) is provided with in described journal box body, described location node mount pad (112) is provided with the installation cavity installing location node, it is characterized in that, described journal box body longitudinal centerline is parallel with the longitudinal center face of described location node mount pad (112), and the longitudinal center of the relatively described journal box body in the longitudinal center face of described location node mount pad (112) departs from towards outside.
2. the structure of axle box of track train as claimed in claim 1, it is characterized in that, described journal box body is split-type structural, comprise the upper box (11) and lower box (12) that are sealed and matched, described upper box (11) and described lower box (12) surround described bearing installation cavity (1a) jointly, and both are bolted, described location node mount pad (112) is one-body molded with described upper box (11).
3. the structure of axle box of track train as claimed in claim 2, it is characterized in that, lower surface two lateral borders vertically of described upper box (11) have the protuberance (116) to downward-extension, two lateral borders of the upper surface of described lower box (12) have downward recess (123), the middle part of described upper box (11) and described lower box (12) is respectively equipped with the first semicircle orifice and the second semicircle orifice, after described protuberance (116) and described recess (123) fasten sealing assembling, described first semicircle orifice and described second semicircle orifice form described bearing installation cavity (1a).
4. the structure of axle box of track train as claimed in claim 3, it is characterized in that, described protuberance (116) also has outward extending first boss (115), described recess (123) has outward extending second boss (122), described first boss (115) is provided with internal thread hole (115a), described second boss (122) is provided with through hole (122a), described upper box (11) is fixedly connected with the bolt in described internal thread hole (115a) by being located at described through hole (122a) simultaneously with described lower box (12).
5. the structure of axle box of track train as claimed in claim 4, it is characterized in that, vertically, the both ends of described first boss (115) have outward extending extension, and extension described in two is provided with the vertical damper mount pad (113) coordinating with the vertical damper of track train and install.
6. the structure of axle box of the track train as described in any one of claim 1 to 5, it is characterized in that, also comprise locating dowel pin (14), described locating dowel pin (14) comprises large footpath section (141), middle part and is positioned at the path section at section (141) two ends, described large footpath, the upper surface of described second boss (122) is also provided with counterbore, and the height of described large footpath section (141) is less than the height of the macropore of described counterbore, the cooperation position of the lower surface of described first boss (115) is also provided with knock hole, when described upper box (11) and described lower box (12) coordinate installation, inner and the described knock hole of aperture that path section described in two is located at described counterbore is respectively inner.
7. the structure of axle box of track train as claimed in claim 2, it is characterized in that, the outer wall of described upper box (11) is also provided with wheel to lifting seat (114), described wheel is provided with vertical lifting hole on lifting seat (114); Obstacle deflector mount pad is also provided with, for installing the obstacle deflector of trapped orbit train bottom the outer wall of described lower box (12).
8. the structure of axle box of track train as claimed in claim 2, it is characterized in that, described upper box (11) is connected end cap end with described lower box (12) respectively circumference is also provided with the first drain groove (11c) and the second drain groove (12c), after described upper box (11) and described lower box (12) are installed, described first drain groove (11c) and described second drain groove (12c) form annular recess.
9. the structure of axle box of the track train as described in any one of claim 2 to 5, it is characterized in that, described location node mount pad (112) is Split type structure, comprise left mount pad and right mount pad, described left mount pad and described upper box (11) one-body molded, described left mount pad and described right mount pad all have inside depressed part, and after left mount pad and described right mount pad cooperation are fixed, depressed part described in two forms the installation cavity of described location node.
10. a track train, comprise wheel to, framework and be installed on described take turns to and described framework between structure of axle box, it is characterized in that, described structure of axle box is the structure of axle box described in any one of claim 1 to 8, described framework is arranged the curb girder coordinating and install described location node.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021216.0A CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
| US15/112,513 US9744976B2 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
| PCT/CN2015/094415 WO2016112736A1 (en) | 2015-01-16 | 2015-11-12 | Rail train and axle box structure thereof |
| GB1612496.8A GB2536397B8 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021216.0A CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104608789A true CN104608789A (en) | 2015-05-13 |
| CN104608789B CN104608789B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510021216.0A Active CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
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| CN (1) | CN104608789B (en) |
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| CN112622970A (en) * | 2020-12-29 | 2021-04-09 | 济南巨鑫机车车辆配件有限公司 | Positioning device for K2 bearing saddle |
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| US10196075B2 (en) | 2015-01-16 | 2019-02-05 | Crrc Qingdao Sifang Co., Ltd. | Railway vehicle and axle box structure thereof |
| CN106740960A (en) * | 2017-03-20 | 2017-05-31 | 康为同创集团有限公司 | C-shaped support and high ferro gear-box suspension assembly |
| CN109484422A (en) * | 2018-11-13 | 2019-03-19 | 中车长春轨道客车股份有限公司 | 200km/h passenger car bogie and rail vehicle with the bogie |
| CN112622970A (en) * | 2020-12-29 | 2021-04-09 | 济南巨鑫机车车辆配件有限公司 | Positioning device for K2 bearing saddle |
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| CN104608789B (en) | 2017-12-01 |
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