CN110329301B - Narrow-gauge vehicle bogie and manufacturing method thereof - Google Patents
Narrow-gauge vehicle bogie and manufacturing method thereof Download PDFInfo
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- CN110329301B CN110329301B CN201910647937.0A CN201910647937A CN110329301B CN 110329301 B CN110329301 B CN 110329301B CN 201910647937 A CN201910647937 A CN 201910647937A CN 110329301 B CN110329301 B CN 110329301B
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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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Abstract
The invention discloses a narrow-gauge vehicle bogie and a manufacturing method thereof. The bogie comprises a framework, brakes arranged at two ends of the framework, a center plate arranged in the middle of a beam of the framework, and a gear box suspender, a gear box, a traction motor, a primary suspension device, a secondary suspension device, an axle box device and a wheel pair which are arranged on the framework; the traction motor is arranged on a motor mounting seat at the bottom of the frame and adopts a shaft-hung type structure, the traction motor is connected with a gear box through a coupling, and the gear box is arranged on the bogie frame through a gear box suspender; the framework comprises a frame and various mounting seats welded on the frame; the bogie has high reliability, safety, stability, maintainability, excellent passenger comfort and low cost.
Description
Technical Field
The invention relates to a narrow-gauge vehicle bogie and a manufacturing method thereof, belonging to the field of narrow-gauge traffic.
Background
At present, the railway operation mileage of China exceeds 13 kilometers, wherein the vast majority of China is mainly standard rail gauge of 1435mm, and narrow-gauge operation routes to a certain extent exist in Yunnan, northeast, Taiwan, southeast Asia countries, African countries and the like of China, and particularly for narrow-gauge passenger routes in Alishan sightseeing railways and African narrow-gauge passenger routes and the like in Taiwan areas, high requirements are provided for passenger comfort of narrow-gauge vehicles while the narrow-gauge vehicles are required to have the characteristics of safety, stability, reliability and low manufacturing cost.
At present, the vehicle that the gauge is no longer than 762mm mainly applies to forest railway, colliery transportation line, and still very deficient to this scope narrow gauge passenger stock's research, how to design one kind have high reliability, security, stability, maintainability and have good passenger's travelling comfort, with low costs narrow gauge vehicle, be urgent problem of waiting to solve, this patent is exactly that propose under such background.
CN104334435B discloses a bogie frame for railway vehicles, which has a pair of side members distributed on the left and right sides, a cross member connecting the side members, the cross member being composed of a top plate member, a bottom plate member, and a pair of side plate members, and a motor mount, a gear box mount, and various types of brackets are welded thereto.
CN201116124Y discloses a power bogie framework for low floor light rail vehicle, this framework's curb girder and crossbeam be the box structure, and the end beam hangs on the curb girder through elasticity stage, and curb girder and crossbeam are roof beam body butt joint assembly welding structure.
CN 203580969U discloses a narrow-gauge bogie, which comprises a front wheel pair, a rear wheel pair, a side frame, a swing bolster, a brake device, a lower center plate and a side bearing, wherein wear plates are arranged on the splayed surface of the swing bolster and the upright post part of the side frame, the wear plates of the upright post of the side frame are fastened with the upright post of the side frame through a folding head bolt, a clamping type chute wear plate is arranged in the chute of the side frame, the swing bolster and the lower center plate are of an integrated casting structure, and the wear plates of the center plate are pressed in the lower center plate; the spring damping device consists of a wedge, a side frame upright post wearing plate, an inclined plane wearing plate and a double-roll damping spring, wherein the wedge is a combined wedge consisting of a wedge body and a main friction plate; the side bearing adopts a double-acting normally-contacted elastic side bearing, and the braking device adopts a lower pull rod or middle pull rod type structure.
Disclosure of Invention
The invention aims to provide a narrow-gauge vehicle bogie which has high reliability, safety, stability, maintainability, excellent passenger comfort and low cost, and a manufacturing method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a narrow gauge vehicle bogie, its structural feature is, including the framework, the brake mounted on both ends of framework, the heart plate mounted in middle position of crossbeam of framework, and gear box hanger rod, gear box, traction motor, primary suspension apparatus, secondary suspension apparatus, axle box apparatus, wheel pair that are mounted on framework make up;
the traction motor is arranged on a motor mounting seat at the bottom of the frame and adopts a shaft-hung type structure, the traction motor is connected with a gear box through a coupling, and the gear box is arranged on the bogie frame through a gear box suspender;
the framework comprises a frame and various mounting seats welded on the frame;
the frame comprises two side beams, a cross beam and an end beam which are connected between the two side beams;
the side beams, the cross beams and the end beams are all box-shaped beams;
each side beam is mainly formed by connecting an upper cover plate, a lower cover plate, two longitudinal vertical plates and at least one longitudinal rib plate;
each cross beam is mainly formed by connecting an upper cover plate, a lower cover plate, two transverse vertical plates and at least one middle transverse rib plate;
each end beam is mainly formed by connecting an upper cover plate, a lower cover plate, two transverse vertical plates and at least one end transverse rib plate.
Therefore, the framework of the invention comprises a lower cover plate, a transverse vertical plate, a longitudinal vertical plate, end transverse rib plates, a middle transverse rib plate and a longitudinal rib plate, then an upper cover plate is welded to form an integrated frame structure, and finally various mounting seats are welded on the basis of the frame structure.
According to the embodiment of the invention, the invention can be further optimized, and the following is the technical scheme formed after optimization:
in order to guarantee that bogie primary suspension mounting structure, secondary suspension mounting structure are compact, primary suspension device includes vertical bumper shock absorber, a spring and axle box pull rod, and wherein axle box pull rod symmetry sets up the left and right sides at the framework, and the unilateral adopts two pull rod structures, wherein the both ends of framework unilateral all are equipped with tip axle box pull rod mount pad, and the middle part of framework unilateral is equipped with middle axle box pull rod mount pad, two of unilateral axle box device is connected between middle axle box pull rod mount pad and the tip axle box pull rod mount pad that corresponds through corresponding axle box pull rod respectively.
In order to solve the problems that the narrow-gauge bogie wheel pair inner side distance and the small wheel pair diameter are influenced, and the mounting space at the bottom of the bogie is limited, the axle box device comprises two axle box bodies, two axle box supports and two axle box end covers, wherein the two axle box bodies are arranged at two ends of an axle; the front end and the rear end of the shaft box body are respectively provided with a series of spring mounting interfaces, a series of springs are mounted between the two first series of spring mounting interfaces and a first series of spring mounting seats mounted on the framework, and the two first series of spring mounting interfaces form a height difference; the front end of the axle box body is provided with a protruding part, the protruding part is provided with an axle box pull rod mounting interface, and the lower part of the rear end of the axle box body is provided with an axle box pull rod mounting interface; the axle box pull rod mounting interface at the front end of the axle box body is connected with the axle box pull rod mounting seats at the end parts through the axle box pull rods, and the axle box pull rod mounting interface at the rear end of the axle box body is connected with the middle axle box pull rod mounting seats through the axle box pull rods.
In order to support the axle box conveniently, the axle box support is provided with an axle mounting hole, a bearing mounting interface is arranged in the axle mounting hole, and the top of the axle box support is provided with a vertical shock absorber mounting interface.
In order to improve the shock absorption and the curve passing capacity of the bogie, the primary springs are symmetrically arranged on the left side and the right side of the framework, and two groups of primary springs are arranged between each axle box device and the framework, wherein the primary springs close to the center of the framework are higher than the primary springs away from the center of the framework to form a height difference.
Preferably, the secondary suspension device comprises a sliding bearing, a secondary rubber stacking spring and a transverse shock absorber; wherein the lateral dampers are arranged at both end portions of the frame, the lateral dampers being arranged symmetrically with respect to the center of the frame; the secondary rubber stacking springs are arranged on a secondary spring mounting seat of the framework and are symmetrically arranged relative to the center of the framework.
In order to improve the curve passing capacity of the bogie, the core plate is installed on the vehicle body through a fastener, a sliding bearing is installed on the inner side of a core plate installation seat on the framework, and the core plate is installed on the core plate installation seat through the sliding bearing and can rotate relative to the center of the bogie.
According to the preferred embodiment of the invention, the various types of mounting seats comprise a transverse shock absorber mounting seat, a gear box hanging mounting seat, a core disc mounting seat, a vertical shock absorber mounting seat, a secondary spring mounting seat, a rotation stopping seat, a brake mounting seat, an end axle box pull rod mounting seat, a primary spring mounting plate, a middle axle box pull rod mounting seat and a motor mounting seat.
Preferably, the brake is a tread brake.
Based on the same invention concept, the invention also provides a manufacturing method of the narrow-gauge vehicle bogie, and the welding process of the framework frame of the narrow-gauge vehicle bogie is as follows: firstly, a lower cover plate, a transverse vertical plate, a longitudinal vertical plate, end transverse rib plates, middle transverse rib plates and longitudinal rib plates are assembled and welded, then the upper cover plate is welded to form an integrated frame structure, and finally various mounting seats are welded on the frame on the basis of the frame structure.
The narrow-gauge bogie axle box pull rod is symmetrically arranged by adopting double pull rods, the first series of springs are symmetrically arranged by adopting height difference, the transverse shock absorbers are arranged at the end part of the framework and are arranged in central symmetry, and the second series of rubber stacking springs are arranged on the second series of spring mounting seats of the framework and are arranged in central symmetry of the bogie.
The bogie traction motor adopts a shaft-hung type structure and is arranged on a motor mounting seat at the bottom of a frame, the traction motor is connected with a gear box through a coupling, and the gear box is arranged on the bogie frame through a gear box suspender. The brakes adopt tread braking and are respectively installed at the end parts of the framework.
The core disc is installed on the car body through a bolt, and the cylindrical sliding bearing is installed on the inner side of the core disc installation seat on the framework and is positioned in the center of the bogie, so that the core disc installed on the car body has a certain rotating space relative to the bogie through the cylindrical sliding bearing.
Compared with the prior art, the invention has the beneficial effects that:
1. the bogie frame structure of the invention practically avoids the step of assembling the beam body of the traditional bogie frame, thoroughly solves the defect that the transverse contraction of the frame is easily caused in the manufacturing process of the traditional bogie frame, simultaneously omits the frame assembling welding line, is beneficial to forming a complete whole body by the frame, avoids the vehicle body acting force transmitted by the frame from passing through the beam body butt welding line, is beneficial to strengthening the whole structure of the frame, simultaneously reduces the welding assembling and welding line detection procedures, saves working hours and simplifies the manufacturing process of the frame.
2. The first-series and second-series mounting structures of the bogie are compact, the implementation process is simple and convenient, and the bogie has excellent damping and curve passing capabilities while the cost control of the bogie is facilitated.
3. The driving and braking system meets the space arrangement requirement of the narrow-gauge bogie, and is convenient to install, maintain and implement and good in maintainability.
4. The core disc installed on the car body has a certain rotating space relative to the bogie through the cylindrical sliding bearing, so that the curve passing capacity of the bogie is promoted, and meanwhile, the cylindrical sliding bearing is made of a composite wear-resistant material with self-lubrication, so that the requirement of the rotating sliding friction coefficient of the car body relative to the bogie is met, and the core disc has the advantage of good maintainability.
Compared with CN104334435B, the framework of the invention firstly welds the lower cover plate, the transverse vertical plate, the longitudinal vertical plate, the end transverse rib plate, the middle transverse rib plate and the longitudinal rib plate, then welds the upper cover plate to form an integrated frame structure, and finally welds various mounting seats by taking the frame structure as a basis. The framework structure of implementing like this actually is further than retrieval patent, the step of traditional bogie frame roof beam body group is to having avoided, thoroughly solved and caused the shortcoming of the horizontal shrink of framework easily in the traditional bogie frame manufacturing process, the frame is to omitting of welding seam also is favorable to the framework to form a complete whole simultaneously, the automobile body effort of avoiding the framework transmission passes through roof beam body butt weld, be favorable to the enhancement of framework overall structure, welding group is to having reduced simultaneously, the welding seam detects the process, save man-hour, simplify the framework manufacturing procedure.
Compared with CN201116124Y, the framework of the invention is a unified whole based on the framework structure, which thoroughly solves the disadvantage that the framework is easy to shrink transversely in the manufacturing process of the traditional bogie framework and avoids the vehicle body acting force transmitted by the framework from passing through the butt welding seam of the beam body. The frame of the present invention has significant advantages in terms of structural strength of the frame, process implementation and cost savings.
Compared with CN 203580969U, the invention optimizes the framework manufacture and bogie assembly process, and improves the running performance and track adaptability of the bogie to a certain extent.
Drawings
FIG. 1 is a schematic view of a truck mounting structure according to one embodiment of the present invention;
FIG. 2 is a top plan view of a truck assembly according to one embodiment of the present invention;
FIG. 3 is a front view of the truck assembly of one embodiment of the present invention;
FIG. 4 is a front view of the frame of FIG. 1;
FIG. 5 is a bottom view of the frame of FIG. 1;
FIG. 6 is a view of the construction underframe of FIG. 1;
FIG. 7 is a view showing the inner structure of the bottom frame of the frame of FIG. 1;
FIG. 8 is a schematic view of the wheel set assembly of FIG. 1;
FIG. 9 is a schematic view of the axle box assembly of FIG. 8;
fig. 10 is an enlarged view of the axle box support of fig. 8.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A narrow gauge vehicle bogie, as shown in fig. 1, 2, 3, the narrow gauge bogie structure comprising: the device comprises a brake 1, a core disc 2, a cylindrical sliding bearing 3, a secondary rubber stacking spring 4, a gear box suspender 5, a transverse shock absorber 6, a gear box 7, a traction motor 8, a framework 9, a coupling 10, a vertical shock absorber 11, a primary spring 12, an axle box device 13 and a wheel pair assembly 14.
As shown in fig. 6 and 7, the entire frame 9 has a shape of a japanese letter. The framework 9 is composed of a frame 16 and various mounting seats welded on the frame 16, wherein the frame 16 comprises two side beams, a cross beam connected between the two side beams and two end beams. The side beams, the cross beams and the end beams are all box-shaped beams.
As shown in fig. 6 and 7, each side beam is mainly formed by connecting an upper cover plate 28, a lower cover plate 29, two longitudinal vertical plates 34 and a plurality of longitudinal rib plates 33. Each cross beam is mainly formed by connecting an upper cover plate 28, a lower cover plate 29, two transverse vertical plates 31 and a plurality of middle transverse rib plates 32. Each end beam is mainly formed by connecting an upper cover plate 28, a lower cover plate 29, two transverse vertical plates 31 and a plurality of end transverse rib plates 30.
The side beams, the cross beams and the end beams are welded to form a unified whole, and the various mounting seats of the framework are welded to the framework frame 16.
As shown in fig. 4 and 5, each type of mount includes: the structure comprises a transverse shock absorber mounting seat 17, a gear box hanging mounting seat 18, a core disc mounting seat 19, a vertical shock absorber mounting seat 20, a secondary spring mounting seat 21, a rotary stopping seat 22, a brake mounting seat 23, an end axle box pull rod mounting seat 24, a primary spring mounting plate 25, a middle axle box pull rod mounting seat 26 and a motor mounting seat 27. The bogie frame is characterized in that a lower cover plate 29, a transverse vertical plate 31, a longitudinal vertical plate 34, an end transverse rib plate 30, a middle transverse rib plate 32 and a longitudinal rib plate 33 are firstly assembled and welded, then an upper cover plate 28 is welded to form an integrated frame 16 structure, and finally various mounting seats are welded on the basis of the frame 16 structure. The framework structure implemented like this has avoided traditional bogie frame roof beam body group to organize the step in fact, thoroughly solved and caused the shortcoming of framework horizontal shrink easily in traditional bogie frame manufacturing process, the omission of 16 group's welding seams of frame also is favorable to framework 9 to form a complete whole simultaneously, the automobile body effort of avoiding the framework 9 transmission passes through roof beam body butt weld, be favorable to framework 9 overall structure's reinforcement, welding group is right having reduced simultaneously, the welding seam detects the process, save man-hour, simplify framework 9 manufacturing procedure.
The bogie primary suspension device comprises: the suspension system comprises a first series of springs 12, axle box pull rods 15 and vertical shock absorbers 11, wherein the axle box pull rods 15 are symmetrically arranged by adopting double pull rods, and the first series of springs are symmetrically arranged by adopting a height difference. The secondary suspension device includes: the shock absorber 6, two rubber heap springs 4, cylindrical sliding bearing 3, wherein horizontal shock absorber 6 arranges in the end of framework 9, and be central symmetry arrangement, two rubber heap springs 4 install on two spring mount pads 21 of framework 9, be central symmetry arrangement. The first-series and second-series mounting structures of the bogie are compact, the implementation process is simple and convenient, and the bogie has excellent damping and curve passing capabilities while the cost control of the bogie is facilitated.
The bogie traction motor 8 is of a shaft-hung type structure and is mounted on a motor mounting seat 26 at the bottom of a framework 9, the traction motor 8 is connected with a gear box 7 through a coupling 10, the gear box 7 is mounted on the bogie framework 9 through a gear box suspender 5, a brake 1 is braked by a tread and is respectively mounted at the end parts of the framework 9, and the driving and braking system meets the space arrangement requirement of a narrow-gauge bogie, so that the installation, maintenance and implementation are convenient, and the maintainability is good.
The core plate 2 is installed on the car body through a bolt, the cylindrical sliding bearing 3 is installed on the inner side of the core plate installation seat 19 on the framework 9 and is located in the center of the bogie, so that the core plate 2 installed on the car body has a certain rotating space relative to the bogie through the cylindrical sliding bearing 3, the curve passing capacity of the bogie is promoted, meanwhile, the cylindrical sliding bearing 3 is made of a composite wear-resistant material with self-lubrication, the requirement of the rotating sliding friction coefficient of the car body relative to the bogie is met, and the core plate has the advantage of being good in maintainability.
Because the narrow-gauge bogie has limited installation space at the bottom of the bogie due to the influence of the inner side distance of wheel pairs and the diameters of small wheels, the bogie is not provided with a traction pull rod device, traction force and braking force are transmitted to the axle box body 13 by the wheel pairs provided with motor gear boxes, then transmitted to axle box pull rod installation seats 24 and 26 on the framework 9 by the axle box body 13 through the axle box pull rods 15, and finally transmitted to the core disc 2 connected with a vehicle body by the core disc installation seat 19 on the framework 9 through the cylindrical sliding bearing 3.
The axle box pull rods 15 arranged on two sides of the bogie, the axle box bodies 13 arranged on two sides of the wheel pair, the lateral axle box pull rod mounting seats 24 and the middle axle box pull rod mounting seats 26 arranged on two sides of the framework 9 enable traction force and braking force to be uniformly and consistently transmitted in the longitudinal direction of the bogie, and avoid wheel load reduction and adverse effects on traction adhesion caused in the process of transmitting the traction force and the braking force of the conventional railway vehicle bogie.
The wheel-set axle box device is provided with wheels 36, an axle 35, an axle box body 13, an axle box support 37 and an axle box end cover 38, wherein the axle box body 13 is provided with a series of spring mounting interfaces 131 and 132 with front and back height differences, and axle box pull rod mounting interfaces 133 and 134 with height differences, and is provided with a series of vertical stop assembly interfaces, the axle box support is provided with a series of vertical shock absorber mounting interfaces 372 and a bearing mounting interface 371, so that the series of springs 12, the axle box pull rods 15, the series of shock absorbers, the series of stops arranged on the series of stop mounting seats 39 and the axle box bearings are compact in mounting structure, do not interfere with each other, are convenient to maintain and disassemble, have good load space distribution, and enable the transmission of traction force and braking force to achieve mutual balance and continuous transition.
The foregoing examples are set forth to illustrate the present invention more clearly and are not to be construed as limiting the scope of the invention, which is defined in the appended claims to which the invention pertains, as modified in all equivalent forms, by those skilled in the art after reading the present invention.
Claims (10)
1. A narrow-gauge vehicle bogie is characterized by comprising a framework (9), brakes (1) arranged at two ends of the framework (9), a center plate (2) arranged in the middle of a cross beam of the framework (9), and a gear box suspension rod (5), a gear box (7), a traction motor (8), a primary suspension device, a secondary suspension device, an axle box device (13) and a wheel set assembly (14) which are arranged on the framework (9);
the traction motor (8) is arranged on a motor mounting seat (26) at the bottom of the frame (9) and adopts a shaft-surrounding type structure, the traction motor (8) is connected with the gear box (7) through a coupling (10), and the gear box (7) is arranged on the bogie frame (9) through a gear box suspender (5);
the framework (9) comprises a frame (16) and various mounting seats welded on the frame (16);
the frame (16) comprises two side beams, a cross beam connected between the two side beams and an end beam;
the side beams, the cross beams and the end beams are all box-shaped beams;
each side beam is mainly formed by connecting an upper cover plate (28), a lower cover plate (29), two longitudinal vertical plates (34) and at least one longitudinal rib plate (33);
each cross beam is mainly formed by connecting an upper cover plate (28), a lower cover plate (29), two transverse vertical plates (31) and at least one middle transverse rib plate (32);
each end beam is mainly formed by connecting an upper cover plate (28), a lower cover plate (29), two transverse vertical plates (31) and at least one end transverse rib plate (30);
the side beams, the cross beams and the end beams of the frame (16) share the same upper cover plate (28) and the same lower cover plate (29).
2. The narrow gauge vehicle bogie of claim 1, wherein the primary suspension device comprises a vertical shock absorber (11), a series of springs (12) and axle box pull rods (15), wherein the axle box pull rods (15) are symmetrically arranged at the left side and the right side of the framework (9), and a double-pull-rod structure is adopted at one side, wherein end axle box pull rod mounting seats (24) are respectively arranged at two end parts of one side of the framework (9), an intermediate axle box pull rod mounting seat (26) is arranged at the middle part of one side of the framework (9), and two axle box devices (13) at one side are respectively connected between the intermediate axle box pull rod mounting seats (26) and the corresponding end axle box pull rod mounting seats (24) through the corresponding axle box pull rods (15).
3. The narrow gauge vehicle bogie of claim 2, wherein the axle box arrangement comprises two axle boxes mounted at both ends of an axle (35), two axle box supports (37) and two axle box end caps (38);
the front end and the rear end of the shaft box body are respectively provided with a series of spring mounting interfaces (131, 132), a series of springs are mounted between the two series of spring mounting interfaces (131, 132) and a series of spring mounting seats arranged on the framework (9), and the two series of spring mounting interfaces (131, 132) form height difference;
the front end of the axle box body is provided with a protruding part, the protruding part is provided with an axle box pull rod mounting interface (134), and the lower part of the rear end of the axle box body is provided with an axle box pull rod mounting interface (133); wherein, the axle box pull rod mounting interface (134) at the front end of the axle box body is connected with the axle box pull rod mounting seat (24) at the end part through the axle box pull rod, and the axle box pull rod mounting interface (133) at the rear end of the axle box body is connected with the middle axle box pull rod mounting seat (26) through the axle box pull rod.
4. The narrow gauge vehicle truck of claim 3, characterized in that the pedestal bearing (37) has an axle mounting hole with a bearing mounting interface (371) disposed therein, and the top of the pedestal bearing (37) has a vertical shock absorber mounting interface (372).
5. The narrow gauge vehicle bogie of claim 2, wherein the primary springs (12) are symmetrically arranged on the left and right sides of the frame (9), and two sets of primary springs (12) are arranged between each axle box arrangement (13) and the frame (9), wherein the primary springs near the center of the frame (9) are positioned higher than the primary springs away from the center of the frame (9) to form a height difference.
6. The narrow gauge vehicle bogie of claim 1, characterized in that the secondary suspension means comprises a plain bearing (3), a secondary rubber packing spring (4), a transverse shock absorber (6); wherein the transverse dampers (6) are arranged at both ends of the frame (9), the transverse dampers (6) being arranged centrally symmetrically with respect to the frame (9); the secondary rubber stacking spring (4) is installed on a secondary spring installation seat (21) of the framework (9), and the secondary rubber stacking spring (4) is arranged in central symmetry relative to the framework (9).
7. The narrow gauge vehicle bogie of claim 1, wherein the core plate (2) is mounted to the vehicle body by fasteners, and the slide bearing (3) is mounted inside a core plate mounting seat (19) on the frame (9), and the core plate (2) is mounted on the core plate mounting seat (19) by the slide bearing (3) and is rotatable relative to the centre of the bogie.
8. The narrow gauge vehicle truck of claim 1, characterized in that the types of mounts include a lateral shock absorber mount (17), a gearbox hanger mount (18), a drum mount (19), a vertical shock absorber mount (20), a secondary spring mount (21), a rotation stop (22), a brake mount (23), an end pedestal tie rod mount (24), a primary spring mount (25), an intermediate pedestal tie rod mount (26), and a motor mount (27).
9. The narrow-gauge vehicle bogie according to claim 1, characterized in that the brake (1) is a tread brake.
10. The manufacturing method of a narrow gauge vehicle bogie according to any of claims 1-9, characterized in that the frame (16) of the narrow gauge vehicle bogie is welded as follows: firstly, a lower cover plate (29), a transverse vertical plate (31), a longitudinal vertical plate (34), end transverse rib plates (30), a middle transverse rib plate (32) and a longitudinal rib plate (33) are assembled and welded, then an upper cover plate (28) is welded to form an integrated framework (16) structure, and finally various mounting seats are welded on the framework (16) on the basis of the framework (16) structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910647937.0A CN110329301B (en) | 2019-07-18 | 2019-07-18 | Narrow-gauge vehicle bogie and manufacturing method thereof |
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| CN201910647937.0A CN110329301B (en) | 2019-07-18 | 2019-07-18 | Narrow-gauge vehicle bogie and manufacturing method thereof |
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| CN110329301A CN110329301A (en) | 2019-10-15 |
| CN110329301B true CN110329301B (en) | 2020-08-14 |
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| CN112268716B (en) * | 2020-10-26 | 2022-12-30 | 中铁二院工程集团有限责任公司 | Rack rail test bogie |
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| CN102167047A (en) * | 2011-03-18 | 2011-08-31 | 株洲新通铁路装备有限公司 | Nuclear spent fuel transporting method and transportation vehicle |
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