CN102923149B - A kind of bogie truck and axle-box positioning device thereof - Google Patents
A kind of bogie truck and axle-box positioning device thereof Download PDFInfo
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- CN102923149B CN102923149B CN201210428611.7A CN201210428611A CN102923149B CN 102923149 B CN102923149 B CN 102923149B CN 201210428611 A CN201210428611 A CN 201210428611A CN 102923149 B CN102923149 B CN 102923149B
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Abstract
A kind of axle-box positioning device disclosed by the invention, comprises framework, axle box and is symmetricly set in two springs between axle box both sides and framework, also comprise respectively corresponding with two springs arrange two overlap clearance adjusting unit; Often overlap clearance adjusting unit detouchable to be arranged between framework and corresponding spring.Compare to the axle-box positioning device of prior art, the clearance adjusting unit in this programme can install or remove from framework easily.When after spring generation creep, allowed band is remained on for making framework and axle box clearance distance, gap both only need being adjusted by clearance adjusting unit, and axle box or spring need not be pulled down, can greatly save maintenance and repair time and cost like this, thus improve the operability of axle-box positioning device assemblage gap adjustment unit process.On this basis, the present invention also discloses a kind of bogie truck comprising above-mentioned axle-box positioning device.
Description
Technical field
The present invention relates to rolling stock's field of structural design, be specifically related to a kind of bogie truck and axle-box positioning device thereof.
Background technology
Axle-box positioning device belongs to a part for rolling stock single stage suspension, is used for retraining the relative motion taken turns axle box and framework.The axle-box positioning device that current China rolling stock is conventional has single pull rod type, dual-pulling rod type, pivoted arm and V-arrangement rubber spring type.Wherein V-arrangement rubber spring axle-box locating mode is mainly with can absorbing high-frequency vibration, and three-way rigidity matching performance is good, is the features such as vertical damper without the need to installing one in addition and is widely used.V-arrangement rubber spring provides resilient mounting vertical to bogie truck, longitudinally the tractive force of drive system and braking force is being passed to framework, flexibly connects the good curving performance of guarantee horizontal providing.
Fig. 1 is a kind of typical V-arrangement rubber spring axle-box positioning device, primarily of framework 01, V-arrangement rubber spring 02, axle box 03, composition such as parts such as V-arrangement adjustment pad 04, backstop 05 etc.The feature of this device is that structure is simple, and have damping, perfect heat-dissipating, rigidity is easy to control in length and breadth.V-arrangement rubber spring is formed by metal and the vulcanization of rubber, after elastomeric material generation creep, framework will sink, the vertical gap shrinks of axle box and framework, now needing the mode by increasing V-arrangement adjustment pad, making the clearance control of axle box and framework in allowed band.But this registration device first must disassemble V-arrangement rubber spring when increasing adjustment pad, just V-arrangement can be adjusted pad and be installed to axle box both sides.Therefore the major defect of this device is that to adjust the installation of pad after rubber creep very inconvenient, and the maintenance and repair time is long, dismantlement work difficulty.
In view of this, the structure urgently for existing axle-box positioning device carries out Curve guide impeller, to solve the problem of the process poor operability of the pad in existing axle-box positioning device mounting and adjusting gap.
Summary of the invention
For above-mentioned defect, the technical matters that the present invention solves is, provides a kind of axle-box positioning device, to solve the problem of the process poor operability of existing axle-box positioning device assemblage gap adjustment pad, thus reduces the maintenance cost of engine truck.On this basis, the present invention also provides a kind of bogie truck adopting above-mentioned axle-box positioning device.
The invention provides a kind of axle-box positioning device, comprise framework, axle box and be symmetricly set in two springs between described axle box both sides and described framework, also comprise respectively corresponding with two described springs arrange two overlap clearance adjusting unit; Often overlap described clearance adjusting unit detouchable to be arranged between described framework and corresponding described spring.
Preferably, often overlap described clearance adjusting unit and specifically comprise the pad mount pad, pad and the pressing plate that set gradually, wherein, described pad mount pad is fixedly connected with described framework, and described pad and described pressing plate are removably connected by bolt assembly and described pad mount pad.
Preferably, also comprise two spring mounting seats, correspondingly with two described springs respectively to arrange; The side of each described spring mounting seat is fixedly connected with described framework, and opposite side and corresponding described spring match; Each described spring mounting seat offers the suitable positioning groove of corresponding described spring.
Preferably, also comprise two sleeve anti-drops and to fall unit, correspondingly with two described springs and two described spring mounting seats respectively to arrange; Each described slip-off preventing unit is for being fixedly connected with corresponding described spring and described spring mounting seat.
Preferably, often overlap described slip-off preventing unit and be specially bolt assembly.
Preferably, each described spring specifically comprises the spring body and mount pad that are fixedly connected with, and described mount pad is provided with the through hole installing corresponding described bolt assembly.
Preferably, also to comprise at the bottom of the case being parallel to described axle box and the backstop arranged with gap at the bottom of described case, described backstop is fixedly connected with described framework.
Preferably, described backstop is specially strip, and its both ends are equipped with adapter plate; Described backstop is fixedly connected with described framework by described adapter plate.
The present invention also provides a kind of bogie truck, comprise wheel right, and with the described axle-box positioning device of taking turns right axletree and being rotationally connected, described axle-box positioning device is specially axle-box positioning device as above.
A kind of axle-box positioning device provided by the invention, comprises framework, axle box and is symmetricly set in two springs between axle box both sides and described framework, also comprise respectively corresponding with two springs arrange two overlap clearance adjusting unit; Often overlap clearance adjusting unit detouchable to be arranged between framework and corresponding spring.
When spring generation creep, framework sinks, and the vertical gap shrinks of axle box and framework, the gap both being adjusted by clearance adjusting unit, makes framework and axle box gap within allowed band.
Compare to the axle-box positioning device of prior art, the clearance adjusting unit in this programme can install or remove from axle-box positioning device easily.When after spring generation creep, allowed band is remained on for making framework and axle box clearance distance, only need adjust gap between the two by clearance adjusting unit, and axle box or spring need not be pulled down, can greatly save maintenance and repair time and cost like this, thus improve the operability of axle-box positioning device assemblage gap adjustment unit process.
In a preferred version of the present invention, also comprise two sleeve anti-drops and to fall unit, arrange respectively at two springs and two spring mounting seat correspondences; Each slip-off preventing unit is for being fixedly connected with corresponding spring and spring mounting seat.This design can prevent due to wheel to longitudinal impact the reason such as excessive or spring creep, the side spring caused and axle box and framework get loose the generation of problem, thus avoid in driving conditions and cause safety misadventure thus.
In another preferred version of the present invention, also to comprise at the bottom of the case being parallel to axle box and the backstop arranged with gap at the bottom of case, this backstop is fixedly connected with framework.In the process of bogie truck lifting, backstop provides bearing force upwards for wheel to axle box, and wheel together can be lifted by crane with truck frame with axle box
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of axle-box positioning device of the prior art;
Fig. 2 shows the plan sketch of the axle-box positioning device of specific embodiment;
Fig. 3 shows the A place close-up schematic view of Fig. 2;
Fig. 4 shows the schematic perspective view of Fig. 2;
Fig. 5 shows the exploded perspective view of Fig. 2.
In Fig. 2 to Fig. 5:
1 framework, 11 backstop mount pads, 2V shape rubber spring, 21 mount pads, 211 through holes, 22 spring body, 3 axle boxes, 4 spring mounting seats, 41 positioning grooves, 5 second bolt assemblies, 6 backstops, 61 adapter plates, 7 clearance adjusting unit, 71 pad mount pads, 72 pads, 73 pressing plates, 74 first bolt assemblies.
Detailed description of the invention
Core of the present invention is to provide a kind of axle-box positioning device, to solve the problem of existing axle-box positioning device gap adjustment process poor operability, thus reduces the maintenance cost of engine truck.On this basis, the present invention also provides a kind of bogie truck adopting above-mentioned axle-box positioning device.
Without loss of generality, present embodiment is illustrated below in conjunction with Figure of description.
Refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein, Fig. 2 shows the plan sketch of the axle-box positioning device of specific embodiment, and Fig. 3 shows the A place close-up schematic view of Fig. 2, and Fig. 4 shows the schematic perspective view of Fig. 2, and Fig. 5 shows the exploded perspective view of Fig. 2.
As shown in Figure 2 and Figure 5, a kind of axle-box positioning device that the present embodiment provides, comprise two springs be arranged between described axle box 3 both sides and described framework 1 of framework 1, axle box 3 and symmetry, also comprise respectively corresponding with two springs arrange two overlap clearance adjusting unit 7, often overlap clearance adjusting unit 7 detouchable and be arranged between framework 1 and corresponding spring.
When spring generation creep, framework 1 sinks, and axle box 3 and the vertical gap shrinks of framework 1, by the gap of both clearance adjusting unit 7 adjustment, make the gap of framework 1 and axle box 3 within allowed band.
Compare to the axle-box positioning device of prior art, the clearance adjusting unit in this programme can install or remove from axle-box positioning device easily.When after spring generation creep, allowed band is remained on for making framework and axle box clearance distance, only need adjust gap between the two by clearance adjusting unit, and axle box or spring need not be pulled down, can greatly save maintenance and repair time and cost like this, thus improve the operability of axle-box positioning device assemblage gap adjustment unit process.
Further, as shown in Figure 3, the clearance adjusting unit in this programme specifically comprises, the pad mount pad 71 set gradually, pad 72 and pressing plate 73, and wherein, pad mount pad 71 is fixedly welded on framework 1.And pressing plate 72 and pad 73 are removably connected on pad mount pad 71 by the first bolt assembly 74.During installation, only need unclamp the first bolt assembly 74, between pad mount pad 71 and pressing plate 73, insert satisfactory pad 72, then three is fixedly connected with can be completed installation process by the first bolt assembly 74.
This programme adopts the clearance adjusting unit of modular, by offering the modes such as tapped bore at pad mount pad 71 and pressing plate 73, simplifies the adjustment process in gap between framework 1 and axle box 3.
As previously mentioned, pad mount pad in this programme 71 and framework 1 are welded to connect, and have that Joint strenght is high, the simple advantage of processing technology, certainly, on the basis meeting Joint strenght and processing technology requirement, the fixed form that this programme also can adopt screw to connect and rivet.
As shown in Figure 4 and Figure 5, the spring in this programme is specially V-arrangement rubber spring 2, specifically comprises mount pad 21 and V-arrangement rubber spring main body 22.This V-arrangement rubber spring has that quality is light, the feature of good damping effect, wherein, the inner structure of V-arrangement rubber spring main body is substantially identical with prior art with principle of work, and those skilled in the art can realize completely based on prior art, therefore repeats no more herein.It is emphasized that mount pad 21 shape in this programme is specially " Contraband " font, its upper and lower two cover plates are all fixedly welded in V-arrangement rubber spring main body.The design of this " Contraband " font mount pad, is not only convenient to the carrying of V-arrangement rubber spring, and is convenient to install.
Further, in order to simplify the installation of V-arrangement rubber spring 2, this programme also comprises spring mounting seat 4, and an end face and the framework 1 of this spring mounting seat 4 are welded and fixed, and other end offers " U " font positioning groove 41 suitable with mount pad 21.During installation, V-arrangement rubber spring 2 is close to axle box 3, the positioning groove 41 of the mount pad 21 alignment springs mount pad 4 of V-arrangement rubber spring 2, makes V-arrangement rubber spring 2 fall into installation site steadily, and under spring force, makes it fixing.By the design of positioning groove on mount pad, simplify the installation process of V-arrangement rubber spring 2.
It should be noted that, on the basis meeting Joint strenght and processing technology requirement, the spring mounting seat 4 in this programme and framework 1 can integral casting formings.Certainly, the fixed form that the V-arrangement rubber spring 2 in this programme and spring mounting seat 4 also can adopt screw to be connected and to rivet.
As previously mentioned, the V-arrangement rubber spring 2 in this programme and spring mounting seat 4 and axle box 3, the spring force produced by extruding V-arrangement rubber spring 2 is abutted and connects.In order to cause under preventing locomotive operation process moderately gusty air or extreme case V-arrangement rubber spring 2 to lose efficacy the generation of the problem that comes off, the biside plate of the axle box 3 in this programme extends to form " V " font stay bearing plate 31 laterally, offsets with the corresponding surface of V-arrangement rubber spring 2.It should be noted that, in this programme, the shape of stay bearing plate 31 depends on the concrete shape of axle box 3 and spring, and therefore, the concrete shape of stay bearing plate does not form limiting the scope of the invention.
Locomotive, in operational process, because the wheel side V-arrangement rubber spring 2 that the reason such as excessive or ageing of rubber creep causes to longitudinal impact and axle box 3 or framework 1 get loose, will cause traffic safety accident.In order to avoid the generation of the problems referred to above, this programme also comprises two sleeve anti-drops and to fall unit, arranges respectively at two springs and two spring mounting seat correspondences.This slip-off preventing unit is specially one second bolt assembly 5, the screw bolt passes of this second bolt assembly 5 is opened in the mounting hole of through hole 211 on the mount pad 21 of tapped bore on spring mounting seat 4 side plate, V-arrangement rubber spring and another side plate of spring mounting seat 4, finally by pad and nut screwing clamping.
It should be noted that, the mount pad 21 that in this programme, it is " Contraband " font that through hole 211 is specially by shape is welded to connect rear formation with V-arrangement rubber spring main body 22, thus simplifies processing technology.Certainly, on the basis meeting Joint strenght requirement, this programme also can offer the through hole of installation second bolt assembly 5 on mount pad.
In addition, in order to wheel can be made together to lift by crane with axle box 3 and bogie truck 1, this programme also to comprise at the bottom of the case being parallel to axle box 3 and the backstop 6 arranged with gap at the bottom of case, and this backstop is fixedly connected with framework 1.
It should be noted that, it is square strip that backstop 6 in this programme is specially cross sectional shape, perpendicular in the plane of its line of centers, two adapter plates 61 are welded at the two ends of this backstop respectively, the line of centers this adapter plate 61 being symmetrical in backstop 6 offers two mounting holes, is fixedly connected on framework 1 by the bolt bottom outlet of the backstop mount pad 11 on screw and framework 1.Be appreciated that on the basis of content with funtion demand and technological requirement, the cross section of backstop 6 can be other arbitrary shapes differing from this programme such as circular.Certainly, backstop 6 and backstop mount pad 11 also can adopt the modes such as riveted joint and welding to fix.In addition, the thread Pilot hole of corresponding position on the mounting hole on adapter plate 61 and framework, also can be relative to the center of backstop uniform more than three or three.
The two ends comparing to backstop in prior art are opened in the mounting hole on framework through framework, by nut fixed structure, the backstop in this programme without the need in its two ends machining screw, thus simplifies the processing technology of backstop mount pad 11 and backstop 6.
It should be noted that, backstop mount pad 11 in this programme is specially on framework 1 along the boss that backstop 6 centerline direction extends to form, this all-in-one-piece design improves structural strength, certainly, on the basis meeting intensity and processing and assembly technology requirement, backstop mount pad 11 in this programme also can design with framework split, then is bolted, welds or the mode such as riveted joint is fixed.
It is emphasized that the concrete shape of spring in this programme needs suitable with the axle box coordinated with it, therefore, the profile of axle box designs according to spring, or the concrete shape of spring is matched according to the profile of journal box body.Therefore, in this programme, the concrete shape of journal box body and spring does not form limiting the scope of the present invention.
Except above-mentioned axle-box positioning device, the present invention also provides a kind of bogie truck, and it is right that this bogie truck comprises wheel, and the axle-box positioning device that the axletree right with wheel is rotationally connected, and this axle-box positioning device is specially axle-box positioning device as above.Be appreciated that basic function parts and the principle of work of this bogie truck of formation are substantially identical with prior art, those skilled in the art can realize completely based on prior art, therefore repeats no more herein.
The foregoing is only the preferred embodiment of the present invention, do not form limiting the scope of the present invention.Any any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (8)
1. an axle-box positioning device, comprises framework, axle box and is symmetricly set in two springs between described axle box both sides and described framework, it is characterized in that, also comprise respectively corresponding with two described springs arrange two overlap clearance adjusting unit; Often overlapping described clearance adjusting unit is arranged between described framework and corresponding described spring, and comprise the pad mount pad, pad and the pressing plate that set gradually, wherein, described pad mount pad is fixedly connected with described framework, described pad and described pressing plate are removably connected by bolt assembly and described pad mount pad, are adjusted the gap of described framework and corresponding described spring by the thickness adjusting described pad.
2. axle-box positioning device according to claim 1, is characterized in that, also comprises two spring mounting seats, correspondingly with two described springs respectively arranges; The side of each described spring mounting seat is fixedly connected with described framework, and opposite side and corresponding described spring match; Each described spring mounting seat offers the suitable positioning groove of corresponding described spring.
3. axle-box positioning device according to claim 2, is characterized in that, also comprises two sleeve anti-drops and to fall unit, correspondingly with two described springs and two described spring mounting seats respectively arranges; Each described slip-off preventing unit is for being fixedly connected with corresponding described spring and described spring mounting seat.
4. axle-box positioning device according to claim 3, is characterized in that, often overlaps described slip-off preventing unit and is specially bolt assembly.
5. axle-box positioning device according to claim 4, is characterized in that, each described spring specifically comprises the spring body and mount pad that are fixedly connected with, and described mount pad is provided with the through hole installing corresponding described bolt assembly.
6. axle-box positioning device according to any one of claim 1 to 5, is characterized in that, also to comprise at the bottom of the case being parallel to described axle box and the backstop arranged with gap at the bottom of described case, described backstop is fixedly connected with described framework.
7. axle-box positioning device according to claim 6, is characterized in that, described backstop is specially strip, and its both ends are equipped with adapter plate; Described backstop is fixedly connected with described framework by described adapter plate.
8. a bogie truck, comprise wheel right, and with the described axle-box positioning device of taking turns right axletree and being rotationally connected, it is characterized in that, described axle-box positioning device is specially the axle-box positioning device according to any one of claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428611.7A CN102923149B (en) | 2012-10-31 | 2012-10-31 | A kind of bogie truck and axle-box positioning device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428611.7A CN102923149B (en) | 2012-10-31 | 2012-10-31 | A kind of bogie truck and axle-box positioning device thereof |
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| Publication Number | Publication Date |
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| CN102923149A CN102923149A (en) | 2013-02-13 |
| CN102923149B true CN102923149B (en) | 2015-08-19 |
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| CN201210428611.7A Active CN102923149B (en) | 2012-10-31 | 2012-10-31 | A kind of bogie truck and axle-box positioning device thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184265B (en) * | 2016-08-30 | 2019-06-21 | 中车青岛四方机车车辆股份有限公司 | Slack adjuster |
| CN111661077B (en) * | 2020-06-12 | 2022-09-23 | 中车大连机车研究所有限公司 | Internal combustion power pack mounting frame for motor train unit |
| CN112277992A (en) * | 2020-11-30 | 2021-01-29 | 株洲时代新材料科技股份有限公司 | Bogie axle box gap correction method and device |
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|---|---|---|---|---|
| US2227733A (en) * | 1940-07-29 | 1941-01-07 | Mccormick George | Pedestal safety tie bar |
| GB887865A (en) * | 1957-03-11 | 1962-01-24 | Standard Car Truck Co | Improvements in or relating to stabilized pedestal type frame assemblies for railway cars |
| US3099967A (en) * | 1960-06-17 | 1963-08-06 | Metalastik Ltd | Vehicle wheel suspensions |
| GB1351138A (en) * | 1970-04-07 | 1974-04-24 | Dunlop Holdings Ltd | Springs |
| DE3026528A1 (en) * | 1980-07-12 | 1982-02-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Variable-height rail axle bearing - has distance pieces allowing vertical movement in spring jaws but not horizontal movement |
| CN202016475U (en) * | 2011-04-21 | 2011-10-26 | 湘电重型装备股份有限公司 | V-shaped spring damping limiter |
| CN202847716U (en) * | 2012-10-31 | 2013-04-03 | 南车株洲电力机车有限公司 | Steering frame and axle box positioning device thereof |
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2012
- 2012-10-31 CN CN201210428611.7A patent/CN102923149B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2227733A (en) * | 1940-07-29 | 1941-01-07 | Mccormick George | Pedestal safety tie bar |
| GB887865A (en) * | 1957-03-11 | 1962-01-24 | Standard Car Truck Co | Improvements in or relating to stabilized pedestal type frame assemblies for railway cars |
| US3099967A (en) * | 1960-06-17 | 1963-08-06 | Metalastik Ltd | Vehicle wheel suspensions |
| GB1351138A (en) * | 1970-04-07 | 1974-04-24 | Dunlop Holdings Ltd | Springs |
| DE3026528A1 (en) * | 1980-07-12 | 1982-02-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Variable-height rail axle bearing - has distance pieces allowing vertical movement in spring jaws but not horizontal movement |
| CN202016475U (en) * | 2011-04-21 | 2011-10-26 | 湘电重型装备股份有限公司 | V-shaped spring damping limiter |
| CN202847716U (en) * | 2012-10-31 | 2013-04-03 | 南车株洲电力机车有限公司 | Steering frame and axle box positioning device thereof |
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| CN102923149A (en) | 2013-02-13 |
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