CN202935362U - Locomotive bogie and axle box body thereof - Google Patents
Locomotive bogie and axle box body thereof Download PDFInfo
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- CN202935362U CN202935362U CN 201220600539 CN201220600539U CN202935362U CN 202935362 U CN202935362 U CN 202935362U CN 201220600539 CN201220600539 CN 201220600539 CN 201220600539 U CN201220600539 U CN 201220600539U CN 202935362 U CN202935362 U CN 202935362U
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- box body
- journal box
- reinforced rib
- bearing
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Abstract
The utility model discloses a locomotive bogie and an axle box body thereof. The axle box body is provided with a bearing matching hole, at least two spring seats and at least two pull rod seats corresponding to the two spring seats, wherein the two spring seats are arranged in bilateral symmetry relative to the axis of the bearing matching hole. Compared with the prior art, since the two spring seats and the two pull rod seats are arranged in bilateral symmetry relative to the axis of the bearing matching hole, the axle box body is an axially symmetrical part on the whole, the casting processing technology of the axle box body is simplified, and the production cost is lowered.
Description
Technical field
The utility model relates to rolling stock's structure design field, is specifically related to a kind of bogie truck and journal box body thereof.
Background technology
Axle-box positioning device is the significant components that guarantees the vehicle safety operation, its effect is to being linked together with framework by wheel, make wheel turn to the translation of vehicle along circuit to the rolling along rail, it bears the weight of vehicle, transmit the application force of each side, and guarantee good lubricity, make axletree unlikely generation hot box phenomenon when high-speed operation.Journal box body, as the critical component of axle-box positioning device, plays vital effect.Therefore, simple in structure, safe and reliable journal box body is the assurance of vehicle safety operation.
On a lot of locomotives in the past, bogie truck generally adopts the dual-pulling rod type axle-box positioning device, the middle part of dual-pulling rod type journal box body offers the bearing fit hole, these both sides, bearing fit hole arrange spring perch and draw-bar seat, and upper spring seat and top rod seat are positioned at the top on plane, axial line place, bearing fit hole, and lower spring cup and lower link seat are positioned at the below on plane, axial line place, bearing fit hole.Because journal box body is generally foundry goods, therefore process the die needed complex structure of dual-pulling rod type journal box body, therefore, increase the difficulty of processing technology, thereby increased productive costs.
In view of this, urgently for the structure of existing journal box body, improve design, to solve the problem that causes the processing technology complexity because of dual-pulling rod type journal box body complex structure, thereby lower the difficulty of journal box body production technology, and then reduce its productive costs.
The utility model content
For above-mentioned defect, the technical matters that the utility model solves is, a kind of journal box body simple in structure is provided, to solve prior art axis body structure complexity, and the problem of the casting processing technology complexity caused, thereby reduce the difficulty of the processing technology of journal box body, and then reduce its productive costs.On this basis, the utility model also provides a kind of engine truck that comprises above-mentioned journal box body.
A kind of journal box body that the utility model provides, there are bearing fit hole, at least two spring perches, and at least two draw-bar seats of setting corresponding to described spring perch, it is characterized in that, two described spring perches are symmetrical set with respect to the axial line in described bearing fit hole.
Preferably, be provided with limiting component on each described spring perch.
Preferably, each described spring perch arranged outside has the first reinforced rib, and described the first reinforced rib extends to the case top.
Preferably, described draw-bar seat is for hinged with pull bar, and the axial line in hinged line of centers and described bearing fit hole is positioned at same plane.
Preferably, also there is the bearing detecting device mounting hole be communicated with described bearing fit hole.
Preferably, described bearing detecting device mounting hole quantity specifically is at least two, respectively with two corresponding settings of described spring perch.
Preferably, also comprise and be arranged at the very useful back-up block in limiting the truck frame vertical deviation of case.
Preferably, also comprise the second reinforced rib be arranged at the bottom of case, the concrete quantity of described the second reinforced rib is two, and respectively with two corresponding settings of described spring perch; Each described the second reinforced rib be shaped as " V " font.
The utility model also provides a kind of bogie truck, comprises that wheel is right, with described, takes turns the axle-box positioning device that right axletree is rotationally connected, and it is characterized in that, described axle-box positioning device adopts journal box body as above.
A kind of journal box body that the utility model provides, have bearing fit hole and at least two spring perches, and with at least two draw-bar seats of two corresponding settings of spring perch, wherein, two spring perches are symmetrical set with respect to the axial line in bearing fit hole.Compared with prior art, in this programme, two spring perches and two draw-bar seats are symmetrical set with respect to the axial line in bearing fit hole, thereby make this journal box body, are simple axisymmetric parts, therefore, simplify the processing technology in the casting process of journal box body, thereby lowered its productive costs.
In a preferred version of the present utility model, described draw-bar seat is for hinged with pull bar, and the axial line in hinged line of centers and described bearing fit hole is positioned at same plane.This design has been dwindled in the locomotive operation process, the moment that pull bar produces axletree, thus optimized the dynamic performance of locomotive, and then improved safety and the traveling comfort in the locomotive operation process.
The accompanying drawing explanation
Fig. 1 shows the schematic perspective view of journal box body provided by the utility model;
Fig. 2 shows the front view of Fig. 1;
Fig. 3 shows the upward view of Fig. 1.
In figure:
1 bearing fit hole, 2 spring perches, 21 limiting components, 22 first reinforced ribs, 3 draw-bar seats, 31 mounting holes, 32 grooves, 4 bearing detecting device mounting holes, 5 back-up blocks, 6 second reinforced ribs.
The specific embodiment
Core of the present utility model is, a kind of journal box body simple in structure is provided, to solve prior art axis body structure complexity, and the problem that the casting processing technology caused is complicated, tooling cost is high.On this basis, the utility model also provides a kind of bogie truck that comprises above-mentioned journal box body.
Without loss of generality, below in conjunction with Figure of description, illustrate the specific embodiment of journal box body in the utility model.
Refer to Fig. 1, Fig. 2 and Fig. 3, wherein, Fig. 1 shows the schematic perspective view of journal box body provided by the utility model, and Fig. 2 shows the front view of Fig. 1, and Fig. 3 shows the upward view of Fig. 1.
As shown in figures 1 and 3, journal box body in this programme, there is bearing fit hole 1, two spring perches 2 and with two draw-bar seats 3 of two corresponding settings of spring perch 2, wherein two spring perches 2 are symmetrical set with respect to the axial line in bearing fit hole 1, and compared with prior art, the journal box body in this programme is axisymmetric parts simple in structure, simplify the technique in the journal box body casting process, thereby reduced its productive costs.
Locomotive single stage suspension spring generally adopts the cylinder compression coil spring, installation for the ease of the single stage suspension spring, and in the locomotive operation process when wheel when excessive to suffered impulsive force, prevent that the single stage suspension spring is at the interior generation radial displacement of spring perch 2, and have influence on the stationarity of locomotive operation.This programme is provided with and is shaped as cylindrical limiting component 21 on spring perch 2, in installation process, the single stage suspension spring housing is loaded on limiting component 21, thereby limited the radial displacement of single stage suspension spring, thereby improved the stationarity of locomotive operation, guaranteed reliability and safety in the locomotive operation process.
It should be noted that, because the single stage suspension spring in this programme has adopted the cylinder compression coil spring, therefore, the concrete shape of limiting component 21 is cylinder, be appreciated that dissimilar according to selected single stage suspension spring, the limiting component in this programme can be also other shapes.Additionally, the spring perch quantity in this programme is two, and according to the actual quantity of engine truck single stage suspension spring, the quantity of spring perch correspondingly, also can be four, or other differs from the quantity in this programme.
At present, pull bar one end and framework on locomotive are hinged, and the other end and journal box body are hinged, and hinged between them all realized by the spherical rubber joint.And the hinged relationship of pull bar and journal box body completes by draw-bar seat 3.As shown in figs. 1 and 3, draw-bar seat 3 in this programme has the groove 32 that is shaped as " U " font of accommodating spherical rubber joint and drag link body articulated section, and the both ends that the spherical rubber joint is stretched out by drag link body are fixedly connected with by the mounting hole 31 on the end face of screw assembly and the biside plate of groove 32.In addition, the axial line in hinged line of centers and bearing fit hole 1 is positioned at same plane, thereby after having guaranteed the axle-box positioning device assembling, the line of centers in the spherical rubber joint of pull bar and the axial line in bearing fit hole 1 are positioned at same plane, reduced the distance at axle centerline and draw-bar seat center by this design, thereby optimized the dynamic performance of locomotive, and then improved safety and traveling comfort in the locomotive operation process.
It should be noted that, in this programme on draw-bar seat the groove shapes of accommodating spherical rubber joint and drag link body articulated section be " U " font, on the basis that is meeting its function needs and require based on processing technology, in this programme, also can adopt the groove of other shapes.In addition, for the ease of the maintenance of pull bar, the mounting hole 31 of offering on draw-bar seat 3 in this programme is realized removably connecting of pull bar and draw-bar seat, certainly, meeting on the basis of process requirements, both can directly be welded to connect, thereby can simplify the processing technology of journal box body.
As everyone knows, the single stage suspension device of locomotive for fifth wheel to and framework, by the single stage suspension spring buffer impact and the vibrations of track to locomotive, and the weight of single stage suspension spring is mainly born by journal box body, in order to strengthen the load-carrying capacity of journal box body, this programme all is provided with the first reinforced rib 22 in the front and back of spring perch 2 side, and this first reinforced rib 22 extends to the case top of journal box body.Thereby, while having prevented that locomotive from bearing the powerful impact that comes from track, the even generation of breakage problem deforms.
Further, the bearing fit hole 1 on journal box body coordinates installation with axle box bearing, the outer ring of axle box bearing and bearing fit hole 1 flush fit, and inner ring with by motor-driven axletree flush fit, thereby will take turns the traveling priority that right rotational motion is converted into car body.Axle box bearing directly bears on the spring of locomotive gravity and rail to wheel radially, axial impact, some increment load of wanting in addition transmitting tractive power and therefore producing, therefore axle box bearing will have larger load-carrying capacity, for this reason, in the locomotive operation process, need the parameter needs that the wearing and tearing of axle box bearing and temperature etc. affected to bearing performance to detect in real time, therefore, also there is the bearing detecting device mounting hole 4 be communicated with bearing fit hole 1 on journal box body in this programme, and bearing detecting device mounting hole 4 is specially two of arranging corresponding to spring perch 2, and the extended line of both axial lines intersects.
It should be noted that, in this programme in order to detect the service condition of axle box bearing diverse location, two bearing detecting device mounting holes 4 have been offered, certainly, in the situation that guarantee to obtain described detection numerical value, the quantity of the bearing detecting device mounting hole 4 in this programme can be one, or, more than two, its quantity depends primarily on the running velocity of bearing type and locomotive.By bearing detecting device the work that can detect in real time axle box bearing is set the time correlation parameter, can estimate the working ability of axle box bearing by these parameter technical personnels, when finding that but axle box bearing has reached reminding technology personnel while closing on mode of operation and changed in time, thereby guaranteed the safety and reliability in the locomotive operation process.
The single stage suspension spring of locomotive is arranged between the framework of journal box body and bogie truck; because the powerful impulsive force that is subject to track causes the sudden failure of single stage suspension spring; or when plastic deformation occurs; now car body possibility run-off the straight; roll-over accident even occurs; in order when above-mentioned abnormal condition occur, to mention certain protective effect, the case top at journal box body in this programme is provided with back-up block 5, for limiting the vertical deviation of truck frame.
As illustrated in fig. 1 and 2, the back-up block in this programme 5 is specially the strip boss that cross sectional shape is isosceles trapezoid.It should be noted that, meeting on the basis that functional requirement and processing technology require, the cross sectional shape of the back-up block 5 in this programme also can be for square, or other shapes.In addition, back-up block 5 in this programme and the moulding of journal box body integrally casting, certainly, on the basis that meets intensity and processing technology requirement, back-up block in this programme and journal box body also can split design, be threaded connection, riveting or the mode of welding is being fixedly connected with.
As previously mentioned, in the locomotive operation process, journal box body is subject to the multiple load to, framework and single stage suspension spring from wheel, therefore, load-carrying capacity to journal box body is had relatively high expectations, for this reason, in order further to strengthen the intensity of journal box body, be provided with two the second reinforced ribs 6 that are shaped as " V " font at the bottom of its case in this programme, concrete structure refers to Fig. 3.
Adopt the second reinforced rib 6 of this kind leg-of-mutton " V " font structure in this programme, utilized that under identical material leg-of-mutton structural strength is high, the characteristics of good stability, certainly, this design in this programme also is based on the practical structures of journal box body and determines.Be appreciated that and meeting intensity and reaching on the basis of processing technology requirement, the reinforced rib at the bottom of the case of the journal box body in this programme also can adopt other shapes.
Except above-mentioned journal box body, the utility model also provides a kind of bogie truck, and this bogie truck comprises that wheel is right, and the axle-box positioning device be rotationally connected with the right axletree of wheel, and this axle-box positioning device adopts journal box body as above.Be appreciated that the basic function parts that form this bogie truck and principle of work and prior art are basic identical, those skilled in the art can realize fully based on prior art, therefore this paper repeats no more.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection domain.Any any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (9)
1. a journal box body, have bearing fit hole, at least two spring perches, and at least two draw-bar seats of setting corresponding to described spring perch, it is characterized in that, two described spring perches are symmetrical set with respect to the axial line in described bearing fit hole.
2. journal box body according to claim 1, is characterized in that, on each described spring perch, is provided with limiting component.
3. journal box body according to claim 2, is characterized in that, each described spring perch arranged outside has the first reinforced rib, and described the first reinforced rib extends to the case top.
4. according to the described journal box body of any one in claims 1 to 3, it is characterized in that, described draw-bar seat is for hinged with pull bar, and the axial line in hinged line of centers and described bearing fit hole is positioned at same plane.
5. journal box body according to claim 4, is characterized in that, also has the bearing detecting device mounting hole be communicated with described bearing fit hole.
6. journal box body according to claim 5, is characterized in that, described bearing detecting device mounting hole quantity is specially two, respectively with two corresponding settings of described spring perch.
7. journal box body according to claim 6, is characterized in that, also comprises and be arranged at the very useful back-up block in limiting the truck frame vertical deviation of case.
8. journal box body according to claim 7, is characterized in that, also comprises the second reinforced rib be arranged at the bottom of case, and the concrete quantity of described the second reinforced rib is two, and respectively with two corresponding settings of described spring perch; Each described the second reinforced rib be shaped as " V " font.
9. a bogie truck, comprise that wheel is right, with described, takes turns the axle-box positioning device that right axletree is rotationally connected, and it is characterized in that, described axle-box positioning device adopts journal box body as described as any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600539 CN202935362U (en) | 2012-11-14 | 2012-11-14 | Locomotive bogie and axle box body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600539 CN202935362U (en) | 2012-11-14 | 2012-11-14 | Locomotive bogie and axle box body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935362U true CN202935362U (en) | 2013-05-15 |
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ID=48319617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220600539 Expired - Lifetime CN202935362U (en) | 2012-11-14 | 2012-11-14 | Locomotive bogie and axle box body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055869A (en) * | 2020-01-14 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Lightweight axle box built-in primary suspension device and lightweight method |
| CN111055870A (en) * | 2020-01-14 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Force transmission method and structure of primary suspension device |
-
2012
- 2012-11-14 CN CN 201220600539 patent/CN202935362U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055869A (en) * | 2020-01-14 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Lightweight axle box built-in primary suspension device and lightweight method |
| CN111055870A (en) * | 2020-01-14 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Force transmission method and structure of primary suspension device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |