CN112356871A - Bogie for inner axle box of railway vehicle - Google Patents
Bogie for inner axle box of railway vehicle Download PDFInfo
- Publication number
- CN112356871A CN112356871A CN202011427745.8A CN202011427745A CN112356871A CN 112356871 A CN112356871 A CN 112356871A CN 202011427745 A CN202011427745 A CN 202011427745A CN 112356871 A CN112356871 A CN 112356871A
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- China
- Prior art keywords
- bogie
- axle box
- longitudinal beam
- primary
- beams
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明公开了一种用于轨道车辆内轴箱转向架，包括构架、轮对、基础制动装置、牵引装置、二系悬挂装置和一系悬挂装置，所述构架包括两组横梁和一组连接两组横梁的纵向梁；所述横梁布置在所述车轴正上方，所述纵向梁连接于两个所述横梁中部之间；所述每个横梁两端分别布置一个小纵向梁，为一系悬挂的安装部位和接口；一系悬挂装置包括轴箱、一系弹簧和一系垂向减振器；所述轮对设置两组，包括一个车轴和两个车轮；所述纵向梁的中间位置设有二系钢弹簧组件、二系垂向减振器和两组抗侧滚扭杆。本发明的转向架的特点是：除了轮盘制动所有转向架的零部件均可放在轮对内侧，从而达到显著降低转向架重量的目的，提高整个转向架的运行性能。
The invention discloses an inner axle box bogie for rail vehicles, which includes a frame, a wheelset, a foundation braking device, a traction device, a secondary suspension device and a primary suspension device. The frame includes two sets of beams and a set of A longitudinal beam connecting two sets of beams; the beam is arranged just above the axle, and the longitudinal beam is connected between the middle parts of the two beams; a small longitudinal beam is arranged at both ends of each beam, which is a The installation position and interface of the tie suspension; the primary suspension device includes an axle box, a primary spring and a primary vertical shock absorber; the wheelset is provided with two groups, including an axle and two wheels; the middle of the longitudinal beam The position is equipped with a secondary steel spring assembly, a secondary vertical shock absorber and two sets of anti-roll torsion bars. The feature of the bogie of the present invention is that all the parts of the bogie except the wheel disc brake can be placed inside the wheelset, thereby achieving the purpose of significantly reducing the weight of the bogie and improving the running performance of the entire bogie.
Description
Technical Field
The invention relates to an inner axle box bogie, and belongs to the technical field of railway vehicle bogies.
Background
The bogie is used as an important part of the railway vehicle, has the functions of bearing the vehicle, providing traction force, damping and guiding, and is also used for providing power for driving the railway vehicle to move forward, so that the power bogie is widely applied to various railway trucks, passenger cars, motor train units, subways and other vehicles at home and abroad.
Most of the existing bogies are externally arranged axle boxes, the bogie wheel set and the frame in the form have large mass, are difficult to pass through a small-radius curve, have poor line twisting adaptability, cause the small-radius curve to have relatively poor passing capability, increase the abrasion of wheel tracks and have higher application cost; the phenomenon of large wheel-rail action force and poor running performance caused by large unsprung mass exists; the quality of the spring matrix is larger, and the transverse impact on the bearing is also larger.
The traditional bogie frame structure mainly comprises two longitudinal beams which are longitudinally arranged, a part of secondary suspension is arranged on the outer sides of two vehicles, and each component is not compact enough, so that the weight of the bogie frame is difficult to reduce, the sprung mass of the bogie frame is increased, and the dynamic performance of the bogie is influenced. Therefore, the following requirements are required for the novel bogie: the structure is simplified, and the quality of the bogie is reduced; the curve passing capacity of the bogie is enhanced, and the curve abrasion is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide a railway vehicle bogie, wherein all bogie suspension parts and other parts except a wheel disc brake can be placed in the inner space of the bogie.
In order to solve the technical problems, the invention adopts the following technical scheme:
a novel bogie comprises a wheel pair, a framework, a primary suspension device, a secondary suspension device, a foundation brake device and a traction device; the framework comprises two groups of cross beams and a group of longitudinal beams for connecting the two groups of cross beams; the transverse beam is arranged right above the axle, and the longitudinal beam is connected between the middle parts of the two transverse beams; the wheel pair is connected with the framework through a primary suspension device, the primary suspension device is positioned at the inner end of the wheel pair, and the secondary suspension device is installed on the framework; the foundation brake device is mounted on the frame with its braking end facing the wheel set, and the traction device is mounted in the secondary suspension device.
Preferably, the wheel set comprises a central axle and wheels at both ends of the axle.
Preferably, the framework comprises two cross beams and a longitudinal beam connected with the two cross beams, the longitudinal beam bears a middle concave fish-belly structure, and two ends of each cross beam are provided with a group of small longitudinal beams.
Preferably, the primary suspension device includes an axle housing, a primary vertical damper, and a primary spring.
Further preferably, the series of springs are rubber laminated springs.
Preferably, one end of the axle box body is connected to an axle at the inner sides of the two wheels through a bearing, and the other end of the axle box body is hinged to the framework through a series of springs; the bottom ends of the spring and the primary vertical oil pressure shock absorber are both arranged on the shaft box body, and the top ends of the spring and the primary vertical oil pressure shock absorber are connected to the corresponding mounting seats of the framework.
Preferably, the secondary suspension device comprises an anti-hunting damper, a secondary steel spring assembly, a secondary transverse damper, a secondary vertical stopper, a secondary transverse stopper and an anti-roll torsion bar.
Preferably, the two-series steel spring assemblies are arranged in four groups and are arranged on the upper surface of the lower concave section of the longitudinal beam, and the two-series steel spring assemblies are distributed in a rectangular array.
Preferably, the anti-snaking damper is mounted on a small longitudinal beam at the end part of the two cross beams, the secondary steel spring assembly is mounted on a concave section at the middle part of the longitudinal beam, the secondary transverse damper is transversely mounted on an upper cover plate of the small longitudinal beam, the secondary vertical stopper and the secondary transverse stopper are mounted on an upper cover plate of the concave section at the bottom of the longitudinal beam, and the anti-rolling torsion bar is provided with two lower concave sections mounted at the middle part of the longitudinal beam and positioned below the secondary steel spring assembly and the secondary stopper.
Preferably, the basic brake device comprises a brake mounting seat, brake clamps, brake cylinders and brake pads, the brake mounting seat is mounted at the end part of the cross beam, the left end and the right end of the brake mounting seat are hinged to the brake clamps, the rear ends of the two brake clamps are connected to the output end of the brake cylinders, the front ends of the two brake clamps are respectively provided with a pair of opposite brake pads, and the wheels are located between the two brake pads.
Preferably, the traction means comprises a traction link.
Further preferably, the traction pull rod is arranged between the four groups of the two-series steel spring assemblies and is positioned at the longitudinal center of the bogie.
The invention has the beneficial effects that:
1. according to the bogie provided by the invention, the frame beam is shortened due to the built-in structure of the axle box body, and meanwhile, due to the compactness of the frame structure, all bogie suspension parts and other parts except the wheel disc braking device can be placed in the inner space of the bogie, so that the purpose of obviously reducing the weight of the bogie is achieved, the rigidity of the frame is increased, the self weight is reduced, and the structure of the bogie is more compact; because the transverse span of the axle box body suspension is shortened, the rigidity of the swing angle and the rigidity of the roll angle of the wheel pair are reduced, and the curve passing capacity and the capacity of adapting to line irregularity of the vehicle are effectively improved. According to the bogie provided by the invention, the primary suspension device adopts the axle box body overhead primary laminated rubber spring, compared with the traditional outer axle box type bogie, the axle is shortened, the overall weight of the wheel set is reduced, the mass of the bogie and the unsprung mass are reduced, and the dynamic performance is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an installation view of a primary suspension system of the present invention;
FIG. 4 is a schematic view of a primary suspension system according to the present invention;
FIG. 5 is a schematic structural view of the frame of the present invention;
FIG. 6 is a schematic structural view of the anti-roll torsion bar of the present invention;
fig. 7 is a schematic structural diagram of the basic brake device of the present invention.
The labels in the figure are: 1-wheel pair, 11-axle, 12-wheel, 2-frame, 21-cross beam, 22-longitudinal beam, 3-primary suspension, 31-axle box, 32-primary spring, 33-primary vertical hydraulic shock absorber, 4-secondary suspension, 41-anti-hunting shock absorber, 42-secondary steel spring assembly, 43-transverse shock absorber, 44-secondary vertical stop, 45-secondary transverse stop, 46-anti-roll torsion bar, 461-torsion bar, 462-torsion arm, 463-suspension rod, 5-foundation brake, 51-brake mount, 52-brake clamp, 53-brake cylinder, 54-brake pad, 6-traction device, 61-traction rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "lateral", "longitudinal", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A novel bogie is shown in figures 1 and 2 and comprises a wheel pair 1, a framework 2, a primary suspension device 3, a secondary suspension device 4, a foundation brake device 5 and a traction device 6.
The wheel pair 1 is connected with a framework 2 through a primary suspension device 3, the primary suspension device 3 is located on the inner side of the wheel pair 1, a secondary suspension device 5 is installed on the framework 3, a foundation brake device 5 is installed on the framework 3, the brake end of the foundation brake device faces the wheel pair 1, and a traction device 6 is installed on the framework 3.
The frame 2 comprises two cross beams 21 and a longitudinal beam 22 connecting the two cross beams 21. The cross beams 21 are arranged right above the axle 11, the longitudinal beam 22 is connected between the middle parts of the two cross beams 21, and the longitudinal beam 22 bears a middle concave fish-belly structure; two ends of each cross beam 21 are respectively provided with a small longitudinal beam which is a primary suspension mounting part and a connector and can also be used as a mounting base of a partial secondary suspension; the framework 2 is simple in structure and light in weight, and the main structure of the framework 2 is mainly processed by welding. The built-in structure of the axle box body 31 shortens the framework cross beam 21, which is beneficial to increasing the rigidity of the framework 3 and reducing the self weight, compared with the bogie suspended by the axle box at the outer side, the weight of the bogie can be greatly reduced, and meanwhile, the framework 2 has small weight, so that the structure of the bogie body is more compact; the inner side axle box body suspension bogie effectively improves the curve passing capability and the capability of adapting to line irregularity due to the fact that the transverse span of axle box body suspension is shortened.
The primary suspension device 3 comprises an axle box 31, a primary spring 32 and a primary vertical hydraulic damper 33; one end of the axle box body 31 is connected to the axle 11 at the inner sides of the two wheels 11 through a bearing, and the other end is hinged with the framework 2; a set of springs 32 and a set of vertical hydraulic dampers 33 are mounted on the axle housing 31 and are connected to the positioning seats on the frame 2.
The primary suspension device 3 is used for positioning wheel pairs, attenuating excitation of wheel tracks and isolating high-frequency vibration, wherein the axle box body 31 is used for connecting the axle 11 and fixing the wheels 12 and the axle 11 on the framework 3; a series of springs 32 for damping the wheel-rail forces transmitted from the rail upwards; a series of hydraulic dampers 33 function to damp vibrations. In the embodiment, the axle box body 31, the primary spring 32 and the primary hydraulic shock absorber 33 are adopted, and compared with the traditional outer axle box type bogie, the axle 11 can be greatly reduced, the overall weight of the wheel set is reduced, the mass of the bogie and the unsprung mass are reduced, and the dynamic performance is improved. The axle box body 31 is a wheel set positioning key component, a complex stress component, bears various vibration loads from the primary suspension device 3, the wheel set 1 and the like, and is particularly responsible for mounting bearings.
As shown in fig. 1 and 2, the secondary suspension device 4 includes an anti-hunting damper 41, a secondary steel spring assembly 42, a secondary transverse damper 43, a secondary vertical stopper 44, a secondary transverse stopper 45, and an anti-roll torsion bar 46; the anti-snaking vibration absorber 41 is arranged at the end part of the small longitudinal beam; four groups of secondary steel spring assemblies 42 are arranged and are arranged on an upper cover plate of a middle concave section of the longitudinal beam 22, and the secondary steel spring assemblies 42 are arranged in a rectangular array; the secondary transverse shock absorbers 43 are mounted on the middle concave section of the transverse beam 22 and are obliquely and symmetrically arranged relative to the center of the bogie; a secondary vertical stop 44 and a secondary transverse stop 45 are arranged on a concave section at the middle part of the longitudinal beam 22 and are symmetrical relative to the longitudinal direction of the bogie, and two sets of anti-rolling torsion bars 46 are arranged at the middle part of the longitudinal beam 22 and are symmetrical relative to the transverse direction of the bogie; the anti-snaking shock absorber 41 is used for attenuating the snaking motion of the bogie and the vehicle body and improving the critical speed of the vehicle; anti-roll torsion bar 46 functions to increase the vehicle body roll stiffness.
As shown in fig. 7, the foundation brake device 5 includes a brake mounting seat 51, a brake caliper 52, a brake cylinder 53, and a brake pad 54; the brake mounting seat 51 is mounted at the bottom end of the side beam 21, the left end and the right end of the brake mounting seat 51 are both hinged with the brake clamp 52, the rear ends of the two brake clamps 52 are both connected with the output end of the brake cylinder 53, the front ends of the two brake clamps are both provided with a pair of opposite brake pads 54, and the wheel 11 is positioned between the two brake pads 54.
As shown in fig. 1, the traction device 6 includes a traction link 61; the traction link 61 is mounted between the four sets of two-series steel spring assemblies 42 and is disposed at the longitudinal center of the bogie.
The function of the traction means 6 is to transmit longitudinal traction forces between the bogie frame and the car body.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427745.8A CN112356871A (en) | 2020-12-07 | 2020-12-07 | Bogie for inner axle box of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427745.8A CN112356871A (en) | 2020-12-07 | 2020-12-07 | Bogie for inner axle box of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112356871A true CN112356871A (en) | 2021-02-12 |
Family
ID=74535138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011427745.8A Pending CN112356871A (en) | 2020-12-07 | 2020-12-07 | Bogie for inner axle box of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112356871A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060175A (en) * | 2021-04-21 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system vehicle bogie |
| CN113184004A (en) * | 2021-05-18 | 2021-07-30 | 中车唐山机车车辆有限公司 | Sand-proof axle box bogie |
| CN114261418A (en) * | 2022-01-17 | 2022-04-01 | 西南交通大学 | Primary axle box suspension device of railway vehicle bogie |
| CN115230767A (en) * | 2022-08-18 | 2022-10-25 | 中车株洲电力机车有限公司 | Primary suspension device and bogie |
| CN117485394A (en) * | 2023-11-02 | 2024-02-02 | 兰州交通大学 | A kind of primary spring and axle box built-in bogie |
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| JP2007223398A (en) * | 2006-02-22 | 2007-09-06 | Toyo Tire & Rubber Co Ltd | Shaft box support elastic body and shaft box support structure |
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| CN210822273U (en) * | 2019-10-10 | 2020-06-23 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN214356037U (en) * | 2020-12-07 | 2021-10-08 | 西南交通大学 | A kind of inner axle box bogie for rail vehicle |
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2020
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060175A (en) * | 2021-04-21 | 2021-07-02 | 重庆中车长客轨道车辆有限公司 | Double-flow system vehicle bogie |
| CN113184004A (en) * | 2021-05-18 | 2021-07-30 | 中车唐山机车车辆有限公司 | Sand-proof axle box bogie |
| CN114261418A (en) * | 2022-01-17 | 2022-04-01 | 西南交通大学 | Primary axle box suspension device of railway vehicle bogie |
| CN115230767A (en) * | 2022-08-18 | 2022-10-25 | 中车株洲电力机车有限公司 | Primary suspension device and bogie |
| CN115230767B (en) * | 2022-08-18 | 2023-10-13 | 中车株洲电力机车有限公司 | Primary suspension device and bogie |
| CN117485394A (en) * | 2023-11-02 | 2024-02-02 | 兰州交通大学 | A kind of primary spring and axle box built-in bogie |
| CN117485394B (en) * | 2023-11-02 | 2024-05-17 | 兰州交通大学 | A bogie with built-in primary spring and axle box |
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Application publication date: 20210212 |