CN114348040A - Three-axle framework type bogie suitable for large axle weight - Google Patents
Three-axle framework type bogie suitable for large axle weight Download PDFInfo
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- CN114348040A CN114348040A CN202210060842.0A CN202210060842A CN114348040A CN 114348040 A CN114348040 A CN 114348040A CN 202210060842 A CN202210060842 A CN 202210060842A CN 114348040 A CN114348040 A CN 114348040A
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Abstract
The invention discloses a three-axle framework type bogie suitable for large axle weight. The bogie comprises a framework assembly, three wheel pair assemblies, an axle box assembly, a lower center plate and a gap side bearing, wherein the framework assembly comprises side beam assemblies, the lower ends of the side beam assemblies are respectively provided with a guide frame seat, two cross beams are arranged between the side beam assemblies, a center plate beam assembly is connected between the two cross beams, the center plate beam assembly comprises a center plate beam upper cover plate arranged in a horizontal structure and a center plate beam lower cover plate arranged in an arch bridge structure, and a center plate support column is arranged in the central position between the center plate beam upper cover plate and the center plate beam lower cover plate; a central disc beam longitudinal partition plate extends from the longitudinal two sides of the central disc support column respectively, and a central disc beam web plate is arranged on each of the transverse two sides of the central disc beam longitudinal partition plate; and transverse diaphragm plates of the core plate beam extend from the two transverse sides of the core plate supporting column respectively. The bogie is simple in structure, and can meet the requirement of large axle load under the condition that the section height of the central disc beam is low.
Description
Technical Field
The invention relates to the technical field of railway wagon bogies, in particular to a three-axle framework type bogie suitable for large axle load.
Background
With the development of railway wagon technology and the continuous change of logistics transportation requirements, the increase of the loading capacity of the railway wagon becomes one of the development focuses of the current railway wagon technology. For the transportation of large and heavy goods, the increase of the number of axles and the axle weight of the bogie is a main technical means for improving the carrying capacity of the vehicle.
For a three-axle bogie of a railway wagon, a structural form that an independent center plate beam bears the load or a center plate beam and a side bearing bear the load together is generally adopted, the current three-axle bogie generally adapts to the axle load of about 25t, and the bogie has the advantages of complex structure, large dead weight, inconvenient maintenance and high maintenance cost.
As is well known, the bearing capacity of a frame bogie is directly related to the section height of a core-disc beam, and under the condition that the diameter of a small wheel is 650mm and the section height of the core-disc beam is limited, if the bearing capacity of the frame bogie is to be improved, the design difficulty of the core-disc beam is extremely high.
Disclosure of Invention
The invention aims to provide a three-axle framework type bogie suitable for large axle weight, which can greatly improve the loading capacity of the bogie under the condition that the section height of a beam of a central disk is limited.
In order to achieve the purpose, the invention provides a three-axle framework type bogie suitable for large axle load, which comprises a framework assembly, three wheel pair assemblies, an axle box assembly, a lower center plate and a gap side bearing, wherein the framework assembly comprises two symmetrically arranged side beam assemblies, the lower ends of the two side beam assemblies are respectively provided with a guide frame seat, two symmetrically arranged cross beams are arranged between the two side beam assemblies, and the center plate beam assembly is connected between the two cross beam assemblies, and the three-axle framework type bogie is characterized in that: the center plate beam comprises a center plate beam upper cover plate arranged in a horizontal structure and a center plate beam lower cover plate arranged in an arch bridge structure, and a center plate support column for improving the bearing capacity is arranged in the center between the center plate beam upper cover plate and the center plate beam lower cover plate; the longitudinal sides of the center plate supporting columns are respectively extended with center plate beam longitudinal clapboards, and the transverse sides of the center plate beam longitudinal clapboards are respectively provided with center plate beam webs which are symmetrically arranged with the center plate beam longitudinal clapboards; the transverse two sides of the center plate supporting column are respectively extended with a center plate beam transverse clapboard
Furthermore, the center plate beam upper cover plate is spliced into a first half cover plate and a second half cover plate along the direction of the center plate beam longitudinal partition plate, and the first half cover plate and the second half cover plate are respectively connected with the upper end of the center plate beam longitudinal partition plate through splicing welding seams.
Furthermore, the cross beam is composed of a cross beam box type structure, the cross beam box type structure comprises a cross beam upper cover plate arranged in a concave structure, a cross beam lower cover plate arranged in a concave structure and a cross beam double web plate connected between the cross beam upper cover plate and the cross beam lower cover plate, and cross beam partition plates arranged vertically are arranged inside the cross beam box type structure at intervals.
Furthermore, the beam lower cover plate and the core disc beam lower cover plate are connected through a butt welding seam, and the beam upper cover plate and the core disc beam upper cover plate are connected through a butt welding seam.
Furthermore, the side beams are combined into a side beam box type structure, the side beam box type structure comprises a side beam upper cover plate, a side beam lower cover plate and a side beam double-web plate, the two ends of the side beam upper cover plate are arranged in a slope structure, the side beam lower cover plate is connected between the side beam upper cover plate and the side beam lower cover plate, and vertically arranged side beam partition plates are arranged in the side beam box type structure at intervals.
Furthermore, the side beam lower cover plate and the cross beam lower cover plate are connected through butt welding seams, and the side beam upper cover plate and the cross beam upper cover plate are connected through butt welding seams.
Furthermore, the clearance side bearing comprises side bearing boxes respectively welded at the middle positions of the upper cover plates of the two side beams, and the clearance side bearing is placed in the side bearing boxes.
Further, the wheel pair assembly comprises wheels, axles are arranged between the wheels, bearings are arranged on the outer sides of the wheels, and the bearings are four-row spherical roller bearings.
Further, the axle box is constituteed including the enclosed construction that axle box body, protection casing, back shelves are constituteed, be equipped with axle box wearing plate on the enclosed construction left and right side and the pedestal contact surface respectively, two the axle box wearing plate outside is equipped with bearing spring respectively, the protection casing is equipped with the oil filler point on the surface, the protection casing upper end is equipped with and can prevents that the bogie from beating too big jib.
Further, the lower center plate is connected with the upper cover plate of the center plate beam through a bolt.
The invention has the advantages that:
1. according to the invention, the lower cover plate of the central disk beam is designed into an arch bridge structure form, so that the section height of the disk beam is reduced, and the structural strength of the central disk beam is improved;
2. according to the invention, the central position between the upper cover plate and the lower cover plate of the core disc beam is provided with the core disc support column, so that the bearing capacity of the core disc beam is improved;
3. according to the invention, the core disc beam web, the core disc beam longitudinal partition plate and the core disc beam transverse partition plate are arranged between the core disc beam upper cover plate and the core disc beam lower cover plate, so that the structural strength of the core disc beam is improved;
4. according to the invention, the upper cover plate of the central disk beam is spliced by two blocks, and the longitudinal partition plates of the central disk beam are connected by splicing welding seams, so that the bearing capacity and the connection strength of the central disk beam are improved;
5. according to the invention, the central disk beam and the cross beam are connected by adopting the butt welding seam, so that the structural strength and the rigidity of the bogie are improved;
the three-axle framework type bogie suitable for the large axle load can enable the bogie to meet the axle load of 45t under the condition that the section height of the central disc beam is lower, and greatly improves the loading capacity of the bogie; and the bogie has simple structure, small dead weight and convenient maintenance.
Drawings
FIG. 1 is a schematic top view of a high axle weight three-axle frame truck according to the present invention;
FIG. 2 is a schematic front view of the large axle weight three-axle frame truck of the present invention;
FIG. 3 is a schematic perspective view of the framework assembly of FIG. 1;
FIG. 4 is a front and partially cross-sectional structural schematic view of the side sill assembly of FIG. 1;
FIG. 5 is a side view and partial cross-sectional structural schematic of the beam assembly of FIG. 1;
FIG. 6 is a schematic top view of the beam assembly of FIG. 1;
FIG. 7 is a front view and a partial cross-sectional structural schematic view of the beam assembly of FIG. 1;
FIG. 8 is a side elevational schematic view of the wheelset assembly of FIG. 1;
FIG. 9 is a schematic perspective view of the axle housing assembly of FIG. 1;
in the figure: the device comprises a framework assembly 1, a wheel set assembly 2, an axle box assembly 3, a lower center plate 4 and a clearance side bearing 5;
the framework assembly 1 comprises: side beam assembly 1-1, cross beam assembly 1-2, center plate beam assembly 1-3 and guide frame seat 1-4
The side member assembly 1-1 includes: side beam double-web plates 1-11, side beam upper cover plates 1-12, side beam lower cover plates 1-13 and side beam partition plates 1-14;
the beam assembly 1-2 comprises: beam double-web plates 1-21, beam upper cover plates 1-22, beam lower cover plates 1-23 and beam partition plates 1-24;
the heart disk beam component 1-3 comprises: 1-31 parts of an upper cover plate of a center plate beam, 1-31a parts of a first half cover plate, 1-31b parts of a second half cover plate, 1-32 parts of a lower cover plate of the center plate beam, 1-33 parts of a web plate of the center plate beam, 1-34 parts of a longitudinal partition plate of the center plate beam, 1-35 parts of a transverse partition plate of the center plate beam and 1-36 parts of a support pillar of the center plate beam;
the wheel set assembly 2 comprises: 2-1 parts of wheels, 2-2 parts of axles and 2-3 parts of bearings;
the axle box assembly 3 includes: 3-1 parts of a shaft box body, 3-11 parts of a shaft box wearing plate, 3-2 parts of a protective cover, 3-21 parts of an oil filling hole, 3-3 parts of a rear gear, 3-4 parts of a bearing spring and 3-5 parts of a suspender;
the lash side bearing 5 includes: side bearing box 5-1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
As shown in fig. 1 to 9, the three-axle framework type bogie suitable for large axle load comprises a framework assembly 1, three wheel pair assemblies 2, an axle box assembly 3, a lower center plate 4 and a gap side bearing 5, wherein the framework assembly 1 comprises two symmetrically arranged side beam assemblies 1-1, the lower ends of the two side beam assemblies 1-1 are respectively provided with a guide frame seat 1-4, two symmetrically arranged cross beam assemblies 1-2 are arranged between the two side beam assemblies 1-1, and the center plate beam assemblies 1-3 are connected between the two cross beam assemblies 1-2. The center disk beam assembly 1-3 comprises a center disk beam upper cover plate 1-31 arranged in a horizontal structure and a center disk beam lower cover plate 1-32 arranged in an arch bridge structure, and center disk support columns 1-36 used for improving the bearing capacity are arranged in the central positions between the center disk beam upper cover plate 1-31 and the center disk beam lower cover plate 1-32. The longitudinal sides of the center plate supporting columns 1 to 36 are respectively extended with center plate beam longitudinal clapboards 1 to 34, and the transverse sides of the center plate beam longitudinal clapboards 1 to 34 are respectively provided with center plate beam webs 1 to 33 which are symmetrically arranged with the center plate beam longitudinal clapboards 1 to 34; and transverse clapboards 1-35 of the core beam extend from two transverse sides of the core support columns 1-36 respectively.
Specifically, the lower cover plate 1-32 of the central disk beam is designed into an arch bridge structure form, so that the section height of the disk beam is reduced, and the structural strength of the central disk beam is improved; center plate supporting columns 1-36 are designed at the central positions between the upper cover plates 1-31 and the lower cover plates 1-32 of the center plate beams, so that the bearing capacity of the center plate beams is improved; and a central disk beam web plate 1-33, a central disk beam longitudinal clapboard 1-34 and a central disk beam transverse clapboard 1-35 are arranged between a central disk beam upper cover plate 1-31 and a central disk beam lower cover plate 1-32, so that the structural strength of the central disk beam is improved.
The upper cover plate 1-31 of the central disk beam is spliced into a first half cover plate 1-31a and a second half cover plate 1-31b along the direction of the longitudinal partition plate 1-34 of the central disk beam, and the first half cover plate 1-31a and the second half cover plate 1-31b are respectively connected with the upper end of the longitudinal partition plate 1-34 of the central disk beam through splicing welding seams. According to the invention, the upper cover plate 1-31 of the central disk beam is spliced by two blocks, and the longitudinal partition plates 1-34 of the central disk beam are connected by splicing welding seams, so that the bearing capacity and the connection strength of the central disk beam are improved.
The beam assembly 1-2 is a beam box structure, the beam box structure comprises beam upper cover plates 1-22 arranged in a concave structure, beam lower cover plates 1-23 arranged in a concave structure and beam double webs 1-21 connected between the beam upper cover plates 1-22 and the beam lower cover plates 1-23, and beam partition plates 1-24 arranged vertically are further arranged in the beam box structure at intervals.
The cross beam lower cover plates 1-23 are connected with the center disk beam lower cover plates 1-32 through butt welding seams, and the cross beam upper cover plates 1-22 are connected with the center disk beam upper cover plates 1-31 through butt welding seams, so that the structural strength and the rigidity of the bogie are improved.
The side beam box type structure comprises side beam upper cover plates 1-12 with two ends arranged in a slope structure, side beam lower cover plates 1-13 in a horizontal structure mode and side beam double webs 1-11 connected between the side beam upper cover plates 1-12 and the side beam lower cover plates 1-13, and vertically arranged side beam partition plates 1-14 are further arranged inside the side beam box type structure at intervals. The non-bearing parts at two ends of the upper cover plate 1-12 of the side beam adopt a slope design, so that the self weight of the side beam assembly 1-1 is reduced.
The side beam lower cover plates 1-13 are connected with the cross beam lower cover plates 1-23 through butt welding seams, and the side beam upper cover plates 1-12 are connected with the cross beam upper cover plates 1-22 through butt welding seams, so that the structural strength and the rigidity of the bogie are improved.
The clearance side bearing 5 is a steel casting and comprises side bearing boxes 5-1 respectively welded at the middle positions of the upper cover plates 1-12 of the two side beams, and the clearance side bearing 5 is placed in the side bearing boxes 5-1 to ensure the working performance under the high-temperature condition. The invention adopts the structural form that the central disc beam and the side bearing bear together, and improves the bearing capacity of the framework type bogie.
The wheel pair assembly 2 comprises wheels 2-1, axles 2-2 are arranged between the wheels 2-1, bearings 2-3 are arranged on the outer sides of the wheels 2-1, and the bearings 2-3 are four-row spherical roller bearings.
The axle box assembly 3 comprises an axle box body 3-1, a protective cover 3-2 and a closed structure consisting of a rear gear 3-3. The contact surfaces of the left side and the right side of the closed structure and the guide frame seats 1-4 are respectively provided with axle box wear plates 3-11. And the outer sides of the two axle box wear plates 3-11 are respectively provided with a bearing spring 3-4, two groups of bearing steel springs 3-4 are arranged, and a spring group with two-stage rigidity is adopted, so that the bogie is ensured to have good dynamic performance of empty and heavy vehicles. And oil injection holes 3-21 are formed in the surface of the protective cover 3-2, so that grease can be conveniently added during application or maintenance. The upper end of the protective cover 3-2 is provided with a suspender 3-5 which can prevent the bogie from jumping too much, and the suspender 3-5 is arranged to prevent the bogie from jumping too much and prevent the wheel set assembly 2 from being separated when the bogie is hoisted and transported.
The lower core plate 4 is a steel casting, is detachable and is fastened on the upper cover plates 1-31 of the core plate beam through 12 bolts, so that the maintenance and the replacement are convenient.
The three-axle framework type bogie suitable for the large axle load can enable the bogie to meet the axle load of 45t under the condition that the section height of the central disc beam is lower, and greatly improves the loading capacity of the bogie; and the bogie has simple structure, small dead weight and convenient maintenance.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three-axle framework formula bogie of adaptation heavy-duty axle, includes that the framework constitutes (1), three sets of wheel pair group becomes (2), the axle box is constituteed (3), center plate (4) and clearance side bearing (5), framework is constituteed (1) and is constituteed (1-1) including two symmetrical arrangement's curb girder, two the curb girder is constituteed (1-1) lower extreme and is equipped with guide frame seat (1-4) respectively, two be equipped with two symmetrical arrangement's crossbeam between curb girder is constituteed (1-1) and constitute (1-2), two be connected with the center plate roof beam between the crossbeam is constituteed (1-2) and constitute (1-3), its characterized in that: the center disk beam assembly (1-3) comprises a center disk beam upper cover plate (1-31) arranged in a horizontal structure and a center disk beam lower cover plate (1-32) arranged in an arch bridge structure, and a center disk support column (1-36) for improving the bearing capacity is arranged in the central position between the center disk beam upper cover plate (1-31) and the center disk beam lower cover plate (1-32); the longitudinal sides of the center plate supporting columns (1-36) are respectively extended with center plate beam longitudinal clapboards (1-34), and the transverse sides of the center plate beam longitudinal clapboards (1-34) are respectively provided with center plate beam webs (1-33) which are symmetrically arranged with the center plate beam longitudinal clapboards (1-34); and transverse clapboards (1-35) of the core beam extend from the two transverse sides of the core support columns (1-36) respectively.
2. The large axle weight, three-axle, framed bogie according to claim 1, wherein: the center plate beam upper cover plate (1-31) is spliced into a first half cover plate (1-31a) and a second half cover plate (1-31b) along the direction of the center plate beam longitudinal partition plate (1-34), and the first half cover plate (1-31a) and the second half cover plate (1-31b) are respectively connected with the upper end of the center plate beam longitudinal partition plate (1-34) through splicing welding seams.
3. A large axle weight, three-axle frame bogie as claimed in claim 1 or 2, wherein: the beam assembly (1-2) is of a beam box type structure, the beam box type structure comprises beam upper cover plates (1-22) which are arranged in a concave structure, beam lower cover plates (1-23) which are arranged in a concave structure, and beam double webs (1-21) which are connected between the beam upper cover plates (1-22) and the beam lower cover plates (1-23), and beam partition plates (1-24) which are vertically arranged are arranged in the beam box type structure at intervals.
4. The large axle weight, three-axle, framed bogie according to claim 3, wherein: the beam lower cover plates (1-23) are connected with the core disc beam lower cover plates (1-32) through butt weld joints, and the beam upper cover plates (1-22) are connected with the core disc beam upper cover plates (1-31) through butt weld joints.
5. The large axle weight, three-axle, framed bogie according to claim 3, wherein: the side beam assembly (1-1) is a side beam box structure, the side beam box structure comprises side beam upper cover plates (1-12) with two ends arranged in a slope structure, side beam lower cover plates (1-13) in a horizontal structure form and side beam double webs (1-11) connected between the side beam upper cover plates (1-12) and the side beam lower cover plates (1-13), and vertically arranged side beam partition plates (1-14) are further arranged in the side beam box structure at intervals.
6. The large axle weight, three-axle frame truck of claim 5, wherein: the side beam lower cover plates (1-13) are connected with the cross beam lower cover plates (1-23) through butt welding seams, and the side beam upper cover plates (1-12) are connected with the cross beam upper cover plates (1-22) through butt welding seams.
7. The large axle weight, three-axle frame truck of claim 5, wherein: the clearance side bearing (5) comprises side bearing boxes (5-1) respectively welded at the middle positions of the upper cover plates (1-12) of the two side beams, and the clearance side bearing (5) is placed in the side bearing boxes (5-1).
8. The large axle weight, three-axle, framed bogie according to claim 1, wherein: each group of wheel pair assembly (2) comprises wheels (2-1), an axle (2-2) is arranged between the wheels (2-1), bearings (2-3) are arranged on the outer sides of the wheels (2-1), and the bearings (2-3) are four-row spherical roller bearings.
9. The large axle weight, three-axle, framed bogie according to claim 1, wherein: the axle box assembly (3) comprises an axle box body (3-1), a protective cover (3-2) and a closed structure consisting of a rear gear (3-3), axle box abrasion plates (3-11) are arranged on the contact surfaces of the left side and the right side of the closed structure and a guide frame seat (1-4) respectively, bearing springs (3-4) are arranged on the outer sides of the two axle box abrasion plates (3-11) respectively, oil filling holes (3-21) are formed in the surface of the protective cover (3-2), and a hanging rod (3-5) capable of preventing the bogie from jumping too much is arranged at the upper end of the protective cover (3-2).
10. The large axle weight, three-axle, framed bogie according to claim 1, wherein: the lower center plate (4) is connected with the upper cover plate (1-31) of the center plate beam through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060842.0A CN114348040B (en) | 2022-01-19 | 2022-01-19 | Triaxial framework type bogie adapting to large axle weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060842.0A CN114348040B (en) | 2022-01-19 | 2022-01-19 | Triaxial framework type bogie adapting to large axle weight |
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| Publication Number | Publication Date |
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| CN114348040A true CN114348040A (en) | 2022-04-15 |
| CN114348040B CN114348040B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210060842.0A Active CN114348040B (en) | 2022-01-19 | 2022-01-19 | Triaxial framework type bogie adapting to large axle weight |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209795491U (en) * | 2019-03-25 | 2019-12-17 | 中车齐齐哈尔车辆有限公司 | bogie and vehicle with same |
| CN110626377A (en) * | 2019-11-04 | 2019-12-31 | 河北京车轨道交通车辆装备有限公司 | Process bogie |
| CN111516723A (en) * | 2020-05-25 | 2020-08-11 | 中车眉山车辆有限公司 | Novel large-axle-weight railway freight car three-axle bogie borne by full side bearing |
| CN111994108A (en) * | 2020-09-27 | 2020-11-27 | 成都工业学院 | Axle box guide pillar positioning type three-axis welding self-guiding radial wagon bogie |
| CN112406928A (en) * | 2020-12-11 | 2021-02-26 | 金鹰重型工程机械股份有限公司 | Three-axle bogie |
| CN213008133U (en) * | 2020-09-27 | 2021-04-20 | 成都工业学院 | Three-axle bogie and framework thereof |
-
2022
- 2022-01-19 CN CN202210060842.0A patent/CN114348040B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209795491U (en) * | 2019-03-25 | 2019-12-17 | 中车齐齐哈尔车辆有限公司 | bogie and vehicle with same |
| CN110626377A (en) * | 2019-11-04 | 2019-12-31 | 河北京车轨道交通车辆装备有限公司 | Process bogie |
| CN111516723A (en) * | 2020-05-25 | 2020-08-11 | 中车眉山车辆有限公司 | Novel large-axle-weight railway freight car three-axle bogie borne by full side bearing |
| CN111994108A (en) * | 2020-09-27 | 2020-11-27 | 成都工业学院 | Axle box guide pillar positioning type three-axis welding self-guiding radial wagon bogie |
| CN213008133U (en) * | 2020-09-27 | 2021-04-20 | 成都工业学院 | Three-axle bogie and framework thereof |
| CN112406928A (en) * | 2020-12-11 | 2021-02-26 | 金鹰重型工程机械股份有限公司 | Three-axle bogie |
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| CN114348040B (en) | 2023-06-30 |
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