CN204641769U - Central sill, central sill sleeper beam combination unit and railway truck - Google Patents
Central sill, central sill sleeper beam combination unit and railway truck Download PDFInfo
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- CN204641769U CN204641769U CN201520145553.6U CN201520145553U CN204641769U CN 204641769 U CN204641769 U CN 204641769U CN 201520145553 U CN201520145553 U CN 201520145553U CN 204641769 U CN204641769 U CN 204641769U
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- central sill
- sleeper beam
- vertical stud
- combination unit
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Abstract
The utility model discloses a kind of central sill, central sill sleeper beam combination unit and railway truck, wherein, central sill comprises: the top flange of horizontal direction, two lower flanges and the parallel middle web of two vertical direction, the top of the two ends of described top flange middle web described with two is respectively connected, the bottom of described two middle webs is connected with described two lower flanges respectively, described two lower flanges extend to the direction away from described middle web in the horizontal direction, described central sill also comprises at least one vertical stud, described vertical stud is arranged on the outer wall of described middle web.The central sill that the utility model provides, central sill sleeper beam combination unit and railway truck, vertical stud is made by web direct casting in central sill, thus change the position of weld of body bolster diaphragm and central sill, improve the strained condition of weld seam, improve the fatigue life of weld seam, the safety of vehicle is improved.
Description
Technical field
The utility model relates to railway truck manufacturing technology, particularly relates to central sill, central sill sleeper beam combination unit and railway truck.
Background technology
Railway truck central sill is the primary load bearing structure of vehicle, plays a part to connect sleeper beam, curb girder transmit longitudinal loading and vertical load, is one of critical component of rolling stock.
Existing central sill is generally " several " font central sill, concrete, as shown in Figure 1A, existing one " several " font center sill structure, formed by the symmetrical assembly welding of two panels " second " font hot-rolled steel section 21, and form weld seam 11, should be made up of top flange 23, middle web 22 and lower flange 24 by " second " font hot-rolled steel section 21.Figure 1B is the front elevation of the central sill sleeper beam combination unit that " several " font central sill of prior art and sleeper beam combine, Fig. 1 C is the birds-eye view of the central sill sleeper beam combination unit that " several " font central sill of prior art and sleeper beam combine, as illustrated in figures ib and 1 c, central sill and sleeper beam are when combining, by being welded and fixed between body bolster diaphragm 31 and middle web 22, therebetween the first weld seam 12 is formed, between sleeper beam upper cover plate 32 and central sill top flange 23, also by being welded and fixed between sleeper beam lower cover 33 and central sill lower flange 24, form the second weld seam 13 and the 3rd weld seam 14 respectively, and be provided with stiffening plate 41 below central sill lower flange 24 and sleeper beam lower cover 33, also by being welded and fixed between stiffening plate 41 and sleeper beam lower cover 33, form the 4th weld seam 15.
But in prior art, when body bolster diaphragm 31 and middle web 22 are welded and fixed, easily there is endurance crack in the first weld seam 12, affects the central sill life-span.
Utility model content
The purpose of this utility model is to provide a kind of central sill, central sill sleeper beam combination unit and railway truck, in order to solve the weld seam generation endurance crack that prior art central sill causes when sleeper beam is welded and fixed, and the central sill life-span caused is short, the problem of vehicle safety difference.
The utility model provides a kind of central sill on the one hand, comprise: the middle web that the top flange of horizontal direction, two lower flanges and two vertical direction are parallel, the top of the two ends of described top flange middle web described with two is respectively connected, the bottom of described two middle webs is connected with described two lower flanges respectively, described two lower flanges extend to the direction away from described middle web in the horizontal direction, described central sill also comprises at least one vertical stud, and described vertical stud is arranged on the outer wall of described middle web.
Central sill as above, preferably, described vertical stud is provided with horizontal extension, and described horizontal extension to be positioned on described lower flange and to be connected with described vertical stud.
Central sill as above, preferably, also comprises: also comprise: at least one cross reinforcing and at least one the vertical reinforced rib that are positioned at described central sill inside;
The upper end of described vertical reinforced rib is connected with described top flange or is connected with described cross reinforcing;
Described cross reinforcing is parallel to described top flange, and one end of described cross reinforcing is connected with the inwall of described middle web, and one end is connected with described vertical reinforced rib in addition.
Central sill as above, preferably, the height of described vertical stud is lower than described top flange.
Central sill as above, preferably, described lower flange comprises the first horizontal part and the first bending part, and described first bending part upwards bends the first predetermined angle.
Central sill as above, preferably, described lower flange comprises the first horizontal part and the first bending part, and described first bending part upwards bends the first predetermined angle.
The utility model provides a kind of central sill sleeper beam combination unit on the other hand, and comprising: the central sill that sleeper beam and the utility model provide, described sleeper beam is welded and fixed by described vertical stud and described central sill.
Central sill sleeper beam combination unit as above, preferably, described sleeper beam comprises lower cover, horizontally disposed upper cover plate and the body bolster diaphragm with the perpendicular setting of described upper cover plate; The upper surface of described body bolster diaphragm is fixedly connected with the lower surface of described upper cover plate, and the lower surface of described body bolster diaphragm is fixedly connected with the upper surface of described lower cover, and side end face and the described vertical stud of described body bolster diaphragm are welded and fixed; Described upper cover plate and described top flange are welded and fixed; Described lower cover and described lower flange are welded and fixed.
Central sill sleeper beam combination unit as above, preferably, the thickness of described upper cover plate is equal with the diff-H of described top flange and described vertical stud.
Central sill sleeper beam combination unit as above, preferably, described lower cover comprises the second horizontal part and the second bending part, described second bending part bends the second predetermined angle downwards, described second predetermined angle is equal with the first predetermined angle that the first bending part of described lower flange upwards bends, and the lower surface of described second bending part and the lower surface of this first bending part are welded and fixed at same plane.
Another aspect of the utility model also provides a kind of railway truck, comprising: as the utility model provide as described in central sill sleeper beam combination unit.
The central sill that the utility model provides, central sill sleeper beam combination unit and railway truck, vertical stud is made by web direct casting in central sill, thus change the position of weld of body bolster diaphragm and central sill, improve the strained condition of weld seam, improve the fatigue life of weld seam, the safety of vehicle is improved.
Accompanying drawing explanation
Figure 1A is one " " several " font center sill structure figure of prior art;
Figure 1B is the front elevation of the central sill sleeper beam combination unit that " several " font central sill of prior art and sleeper beam combine;
Fig. 1 C is the birds-eye view of the central sill sleeper beam combination unit that " several " font central sill of prior art and sleeper beam combine;
Fig. 2 is the central sill front elevation of the utility model embodiment;
The central sill front elevation that Fig. 3 provides for the another embodiment of the utility model;
Fig. 4 is the utility model front elevation of central sill sleeper beam combination unit of providing of an embodiment again;
Fig. 5 is the utility model birds-eye view of central sill sleeper beam combination unit of providing of an embodiment again;
The birds-eye view that the central sill sleeper beam combination unit that Fig. 6 provides for another embodiment of the utility model is connected with hitch.
Detailed description of the invention
Embodiment one
Fig. 2 is the central sill front elevation of the utility model embodiment, as shown in Figure 2, present embodiments provide a kind of central sill, this central sill comprises: the lower flange 2,1, two, top flange of horizontal direction and the parallel middle web 3 of two vertical direction, the top of the two ends of top flange 1 web 3 middle with two is respectively connected, the bottom of two middle webs 3 is connected 2 with two lower flanges respectively, two lower flanges 2 extend to the direction away from middle web 3 in the horizontal direction, central sill also comprises at least one vertical stud 4, and vertical stud 4 is arranged on the outer wall of described middle web 3.
Wherein, this vertical stud 4 is for being welded and fixed with other assemblies, namely the weld seam between central sill and other assemblies is positioned on this vertical stud 4, and vertical stud 4 can be one also can for multiple, when for time multiple, optionally, the number of vertical stud 4 is even number, can be symmetrically distributed on two middle webs 3, during central sill can be made like this when being subject to the power of horizontal direction, web 3 equalization is stressed, thus extends the service life of central sill.Certainly, the number of vertical stud 4 can make change according to actual needs, is not limited at this.The thickness of vertical stud 4 with highly also can change according to other assemblies be mated.
When central sill is subject to longitudinal force, by vertical stud 4, longitudinal force can be passed to other assemblies, now vertical stud 4 bears part longitudinal force, therefore the power that the weld seam on vertical stud 4 bears can be reduced, compared with prior art, the fatigue life of the weld seam that central sill and other components weldings are fixed is improved, and improves the safety performance of vehicle.
It should be noted that, " vertical direction " and " vertical " in above-described embodiment refers to and the earth plane orthogonal, i.e. the above-below direction of front elevation paper; " horizontal direction " then refers to and the earth plane parallel, i.e. the left and right directions of front elevation paper; " longitudinal direction " refers to the direction of vertical paper in front elevation.
The central sill that above-described embodiment provides, make central sill when being welded and fixed with other assemblies by vertical stud 4, weld seam moves to the direction away from middle web 3, therefore when power can be passed to other assemblies by vertical stud 4 to central sill during other component passes longitudinal forces by central sill, now the strained condition of weld seam is good, improve the fatigue life of weld seam, enhance the safety performance of vehicle.
Embodiment two
The present embodiment is to the further supplemental instruction of above-described embodiment, the central sill front elevation that Fig. 3 provides for the another embodiment of the utility model, the central sill of the present embodiment is provided with horizontal extension 41 on vertical stud 4, and horizontal extension 41 to be positioned on lower flange 2 and to be connected with vertical stud 4.When central sill and other components weldings are fixed, this horizontal extension 41 further moves on the weld seam be positioned on lower flange 2, when central sill is to other component passes longitudinal forces, horizontal extension 41 can bear part longitudinal force, therefore can reduce the power that the weld seam on vertical stud 4 bears, thus can improve the fatigue life of the weld seam that central sill and other components weldings are fixed further.Horizontal extension 41 specifically extends on the direction away from vertical stud 4.
On the basis of above-described embodiment, optionally, the bending position 42 that horizontal extension 41 is connected with vertical stud 4 can for arc-shaped, can weld seam bears on mild vertical stud 4 power when central sill is subject to power or the vertical force of horizontal direction.
Optionally, the lower flange 2 of the central sill that the present embodiment provides comprises the first horizontal part 21 and the first bending part 22, first bending part 22 upwards bends the first predetermined angle.Can be welded with other assemblies by the first bending part 22 of the lower flange 2 of central sill.
Further, as shown in Figure 3, be positioned at least one cross reinforcing 5 and at least one vertical reinforced rib 6 of central sill inside, concrete, the upper end of vertical reinforced rib 6 is connected with top flange 1, or interchangeable, the upper end of vertical reinforced rib 6 is connected with cross reinforcing 5, namely vertical reinforced rib 6 is not connected with top flange 1, cross reinforcing 5 is parallel to top flange 1, and one end of cross reinforcing 5 is connected with the inwall of middle web 3, and one end is connected with vertical reinforced rib 6 in addition.Wherein, cross reinforcing 5 can be one also can be multiple, and optionally, cross reinforcing 5 is even number, is symmetrical arranged along vertical reinforced rib 6, thus central sill can be made better to bear the power coming from all directions.The power of the horizontal direction be such as subject to when certain side of central sill is comparatively large, and opposite side is less, then cross reinforcing 6 can be odd number, is asymmetric setting.The number of vertical reinforced rib 6 also can be multiple, and can arrange along the longitudinal direction, concrete quantity and arrangement can be changed according to actual needs, are not limited at this.
In order to realize the connection of central sill and other assemblies, deep hole 7 can be cast according to actual needs on vertical reinforced rib 6 and top flange 1, so that being connected of central sill and other assemblies, the shape of deep hole 7 depends on the structure of other assemblies be connected with center sill structure.Preferably, deep hole 7 is not through hole, and therefore vertical reinforced rib 6 can bear the power of vertical direction.
On the basis of above-mentioned enforcement, if the both sides of central sill have other assemblies to be connected with central sill, then the height of vertical stud 4 can lower than top flange 1, now the top 43 of other assemblies and vertical stud 4 and the edge 11 of top flange 1 are welded and fixed, such design can ensure that other assemblies are when bearing vertical force, vertical stud 11 provides vertical support for other assemblies, and when other assemblies are subject to the power of horizontal direction, the edge 11 of top flange 1 provides the support of horizontal direction power for other assemblies.
On the basis of above-described embodiment, the central sill that the present embodiment provides also comprises: cartridge 17, and cartridge 17 is positioned at the bottom of central sill, and is connected with lower flange 2, and cartridge 17 is for being connected with the bogie truck of vehicle.
It should be noted that, the central sill provided in above-described embodiment is integral type foundry goods in actual forming process, metal die can be utilized to cast form, improve the casting accuracy of central sill, the welding deformation adopting integral type foundry goods not deposit welded type " several " font central sill in the prior art to exist, thus the welding deformation preventing central sill when assembling with other workpiece because central sill produces and need central sill to cut the problem shortened.
Embodiment three
The present embodiment provides a kind of central sill sleeper beam combination unit, Fig. 4 is the utility model front elevation of central sill sleeper beam combination unit of providing of an embodiment again, Fig. 5 is the utility model birds-eye view of central sill sleeper beam combination unit of providing of an embodiment again, as shown in Figure 4 and Figure 5, this central sill sleeper beam combination unit comprises: arbitrary central sill that sleeper beam 8 and above-described embodiment provide, and sleeper beam 8 is welded and fixed with central sill by vertical stud 4.
The central sill sleeper beam combination unit that above-described embodiment provides, be welded and fixed by vertical muscle 4 by central sill and sleeper beam 8, make central sill when being welded and fixed with sleeper beam 8, weld seam moves to the direction away from middle web 3, therefore when central sill transmits longitudinal force to sleeper beam, power can be transmitted sleeper beam by vertical stud 4 by central sill, now the strained condition of weld seam is good, improves the fatigue life of weld seam, enhances the safety performance of vehicle.
Concrete, sleeper beam 8 comprises lower cover 81, horizontally disposed upper cover plate 82 and the body bolster diaphragm 83 with the perpendicular setting of upper cover plate 82, wherein, the upper surface of body bolster diaphragm 83 is fixedly connected with the lower surface of upper cover plate 82, the lower surface of body bolster diaphragm 83 is fixedly connected with the upper surface of lower cover 81, and side end face and the vertical stud 4 of body bolster diaphragm 83 are welded and fixed.Upper cover plate 82 and top flange 1 are welded and fixed, and lower cover 81 and lower flange 2 are welded and fixed.Wherein, the thickness of upper cover plate 82 is equal with the diff-H of top flange 1 and vertical stud 4, the upper surface of upper cover plate 82 and top flange 1 now can be made to be maintained at the same horizontal plane, when the upper cover plate 82 of sleeper beam 8 bears vertical force, vertical stud 4 can provide vertical support for upper cover plate 82, when the upper cover plate 82 of sleeper beam 8 bears the power of horizontal direction, the edge 11 of central sill top flange 1 can provide the support of horizontal direction power for upper cover plate 82.
Optionally, shape and the vertical stud 4 of the side end face of the body bolster diaphragm 83 of sleeper beam 8 match, and such as, if vertical stud 4 comprises horizontal extension 41, then the side end face of body bolster diaphragm 83 is adaptive welds to coordinate with horizontal extension 41 with a depressed part.If the bending position that horizontal extension 41 is connected with vertical stud 4 42 is arc-shaped, then the depressed part of the side end face of body bolster diaphragm 83 is with a circular arc convex, matches with the vertical stud 4 of center sill structure.
On the basis of above-described embodiment, in the central sill sleeper beam combination unit that the present embodiment provides, the lower cover 81 of sleeper beam 8 comprises the second horizontal part 810 and the second bending part 811, second bending part 811 is bending the second predetermined angle downwards, wherein, second predetermined angle is equal with the first predetermined angle that the first bending part 22 of central sill lower flange 2 upwards bends, and the lower surface of the lower surface of the second bending part 811 and the first folding bending part 22 is welded and fixed at same plane, namely the second bending part 811 docks with the first bending part 22 and welds, therefore, compared with prior art, when the lower cover 81 of sleeper beam bears external force, because weld seam and the first bending part 22 of central sill lower flange 2 and the second bending part 811 of sleeper beam lower cover 81 are in same plane, therefore the strained condition of weld seam is better, improve the fatigue life of weld seam, improve the safety and reliability of vehicle operating, and the brace panel of prior art can be saved.
Embodiment four
The utility model embodiment provides a kind of railway truck, this railway or comprise the central sill sleeper beam combination unit of above-mentioned any embodiment.In order to the mode of operation of central sill sleeper beam combination unit is better described, stressed when the present embodiment centering crown plate beam combination unit is connected with hitch is described, the birds-eye view that the central sill sleeper beam combination unit that Fig. 6 provides for another embodiment of the utility model is connected with hitch, as shown in Figure 6, when railway truck is when advancing, the car body of railway truck is driven to advance by hitch 9, concrete, hitch 9 is connected with central sill, drive central sill, in the middle of joist support by pulling force from hitch 9 time, power is passed to sleeper beam 8 by central sill, then power is delivered to bottom side rail (not shown) by sleeper beam 8, by central sill, bottom side rail transmits the pulling force of hitch 9 jointly, when the power of hitch 9 is delivered to bottom side rail by central sill, primarily of the weld seam holding capacity that the body bolster diaphragm 83 of sleeper beam 8 is connected with central sill, vertical stud 4 due to central sill bears the part power coming from hitch, alleviate the stressed of weld seam, therefore improve the fatigue life of weld seam, improve the safety and reliability of vehicle, extend vehicle life span.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a central sill, it is characterized in that, comprise: the middle web that the top flange of horizontal direction, two lower flanges and two vertical direction are parallel, the top of the two ends of described top flange middle web described with two is respectively connected, the bottom of described two middle webs is connected with described two lower flanges respectively, described two lower flanges extend to the direction away from described middle web in the horizontal direction, described central sill also comprises at least one vertical stud, and described vertical stud is arranged on the outer wall of described middle web.
2. central sill according to claim 1, is characterized in that, described vertical stud is provided with horizontal extension, and described horizontal extension to be positioned on described lower flange and to be connected with described vertical stud.
3. central sill according to claim 1, is characterized in that, also comprises: at least one cross reinforcing and at least one the vertical reinforced rib that are positioned at described central sill inside;
The upper end of described vertical reinforced rib is connected with described top flange or is connected with described cross reinforcing;
Described cross reinforcing is parallel to described top flange, and one end of described cross reinforcing is connected with the inwall of described middle web, and one end is connected with described vertical reinforced rib in addition.
4. central sill according to claim 1, is characterized in that, the height of described vertical stud is lower than described top flange.
5. central sill according to claim 1, is characterized in that, described lower flange comprises the first horizontal part and the first bending part, and described first bending part upwards bends the first predetermined angle.
6. a central sill sleeper beam combination unit, is characterized in that, comprising: sleeper beam and as arbitrary in claim 1-5 as described in central sill, described sleeper beam is welded and fixed by described vertical stud and described central sill.
7. central sill sleeper beam combination unit according to claim 6, is characterized in that, described sleeper beam comprises lower cover, horizontally disposed upper cover plate and the body bolster diaphragm with the perpendicular setting of described upper cover plate;
The upper surface of described body bolster diaphragm is fixedly connected with the lower surface of described upper cover plate, and the lower surface of described body bolster diaphragm is fixedly connected with the upper surface of described lower cover, and side end face and the described vertical stud of described body bolster diaphragm are welded and fixed;
Described upper cover plate and described top flange are welded and fixed;
Described lower cover and described lower flange are welded and fixed.
8. central sill sleeper beam combination unit according to claim 7, is characterized in that, the thickness of described upper cover plate is equal with the diff-H of described top flange and described vertical stud.
9. central sill sleeper beam combination unit according to claim 7, it is characterized in that, described lower cover comprises the second horizontal part and the second bending part, described second bending part bends the second predetermined angle downwards, described second predetermined angle is equal with the first predetermined angle that the first bending part of described lower flange upwards bends, and the lower surface of described second bending part and the lower surface of this first bending part are welded and fixed at same plane.
10. a railway truck, is characterized in that, comprising: the central sill sleeper beam combination unit according to any one of claim 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145553.6U CN204641769U (en) | 2015-03-13 | 2015-03-13 | Central sill, central sill sleeper beam combination unit and railway truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145553.6U CN204641769U (en) | 2015-03-13 | 2015-03-13 | Central sill, central sill sleeper beam combination unit and railway truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204641769U true CN204641769U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520145553.6U Active CN204641769U (en) | 2015-03-13 | 2015-03-13 | Central sill, central sill sleeper beam combination unit and railway truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204641769U (en) |
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2015
- 2015-03-13 CN CN201520145553.6U patent/CN204641769U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |