CN213768554U

CN213768554U - Novel bogie

Info

Publication number: CN213768554U
Application number: CN202022980822.4U
Authority: CN
Inventors: 陈斌; 陈政南; 张二虎; 黄健; 张捍东; 邹春来; 李巍; 冯策
Original assignee: Gemac Engineering Machinery Co Ltd
Current assignee: Gemac Engineering Machinery Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-23
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a novel bogie, which relates to the technical field of railway engineering vehicles and comprises a framework, two wheel pairs and a traction mechanism; the traction mechanism is arranged on the framework, and the two wheel pairs are respectively connected with the bottom of the framework through the axle box body; the device also comprises two groups of braking mechanisms; the framework comprises two side beams which are arranged oppositely, and a middle beam is connected between the middle parts of the two side beams; the bottom of the side beam is provided with an axle box guide frame which is elastically connected with a corresponding axle box body; the top of the side beam is provided with a side bearing; the axle box body is connected with the corresponding wheel pair through an axle box bearing; the traction mechanism comprises a lower center plate, an upper center plate and a center pin; two groups of brake mechanisms are oppositely arranged at two ends of the middle beam, and each group of brake mechanisms comprises a brake driving device, a first brake lever and a second brake lever.

Description

Novel bogie

Technical Field

The utility model relates to a railway engineering vehicle technical field, specifically novel bogie that is.

Background

The bogie technology of the railway locomotive, the wagon and the passenger car in the prior art is mature, and the bogie developed aiming at self-wheel running special equipment such as large road maintenance machinery is less, so that the requirement of the operation working condition of the railway engineering machinery is difficult to meet.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a novel bogie can adapt to railway engineering machine tool's operation and operating condition.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a novel bogie comprises a framework, two wheel pairs and a traction mechanism; the traction mechanism is arranged on the framework, and the two wheel pairs are respectively connected with the bottom of the framework through the axle box body; the device also comprises two groups of braking mechanisms; the framework comprises two side beams which are arranged oppositely, and a middle beam is connected between the middle parts of the two side beams; the bottom of the side beam is provided with an axle box guide frame which is elastically connected with a corresponding axle box body; the top of the side beam is provided with a side bearing; the axle box body is connected with the corresponding wheel pair through an axle box bearing; the traction mechanism comprises a lower center plate, an upper center plate and a center pin; the lower center plate is arranged on the center sill; the upper center plate is arranged on the lower center plate through a center plate abrasion pad; the center pin sequentially penetrates through the upper center plate, the center plate abrasion pad and the lower center plate from top to bottom and is fixed through the flat pin; the two groups of brake mechanisms are oppositely arranged at two ends of the middle beam, and each group of brake mechanisms comprises a brake driving device, a first brake lever and a second brake lever; the brake driving device is installed on the front side of the middle beam through a first installation seat, one end of the first brake lever is connected with the brake driving device, and the other end of the first brake lever is connected with a first brake shoe matched with a front side wheel pair; one end of the second brake lever is mounted on the rear side of the middle beam through a second mounting seat, and the other end of the second brake lever is connected with a second brake shoe matched with the rear side wheel pair; and a connecting rod is arranged between the first brake lever and the second brake lever.

The further improvement lies in that: the brake mechanism further comprises a brake actuating cylinder, and the brake actuating cylinder is installed on the first installation seat and connected with the first brake lever.

The further improvement lies in that: the wheel pair is a power wheel pair or a driven wheel pair.

The further improvement lies in that: the power wheel set comprises an axle gear box arranged on the wheel set, and the axle gear box is connected with the framework through a suspension arm.

The further improvement lies in that: and a spring cap, a lifting ring and a spring are arranged between the guide frame and the shaft box body.

The further improvement lies in that: and abrasion limit marks are arranged on the axle box guide frame and the spring cap.

The further improvement lies in that: the upper center plate and the lower center plate are both of spherical center plate structures.

The further improvement lies in that: an axle supporting device is arranged in the side beam; and the middle beam is provided with a vehicle body supporting device.

The further improvement lies in that: the end of the axle box body is provided with a speed measuring device and a grounding device.

The beneficial effects of the utility model reside in that:

1. the framework adopts an integrated welding structure, and is simple in structure and easy to maintain.

2. The friction type shock absorber is simple in structure, and can provide effective shock absorption friction force for a vehicle.

3. The double-acting normally-contacted elastic side bearing is adopted, the friction coefficient is stable, the required turning resistance moment of a vehicle can be effectively provided, and the situation that the vehicle body does not limit snakelike motion when the vehicle runs is avoided.

4. The upper center plate and the lower center plate are spherical center plates, so that the bearing area is large, the rotation between the upper center plate and the lower center plate is more flexible, and the performance is improved through curves.

5. The foundation brake adopts two driving modes, and can meet the requirements of different working conditions.

6. The vehicle body supporting device and the axle supporting device are arranged, and rigid connection can be formed among the vehicle body, the bogie and the axle box.

7. The axle box body and the wheel pair are in contact fit and are of a gapless axle suspension box structure, and the axle box body and the wheel pair cannot be dislocated during hoisting, so that an auxiliary cushion block is not required to be added.

Drawings

Fig. 1 is a schematic structural view of a novel bogie in an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the axle box body in the embodiment of the present invention;

fig. 4 is a schematic view of a traction mechanism in an embodiment of the present invention;

fig. 5 is a schematic view of a braking mechanism according to an embodiment of the present invention.

Reference numerals:

1-a framework; 11-side beam; 12-a centre sill; 13-pedestal lead frame; 14-a spring; 15-a spring cap; 16-a hoisting ring; 17-a side bearing; 18-axle supporting means; 19-a vehicle body support means;

2-axle box body; 21-axle box bearings;

3-wheel pair; 31-axle gear box; 32-hanging the boom;

4-a traction mechanism; 41-lower center plate; 42-upper center plate; 43-a center pin; 44-center plate wear pads; 45-flat pin;

5-braking the driving device; 51-a first mount; 52-first brake lever; 53-a first brake shoe; 54-a connecting rod; 55-a second mount; 56-a second brake shoe; 57-braking the actuating cylinder; 58-second brake lever.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1 and 2, the embodiment of the present invention provides a novel bogie, which includes a frame 1, two wheel sets 3 and a traction mechanism 4; the traction mechanism 4 is arranged on the framework 1, and the two wheel pairs 3 are respectively connected with the bottom of the framework 1 through the axle box body 2; the device also comprises two groups of braking mechanisms;

the framework 1 comprises two side beams 11 which are oppositely arranged, and a middle beam 12 is connected between the middle parts of the two side beams 11; the bottom of the side beam 11 is provided with an axle box guide frame 13, and the axle box guide frame 13 is elastically connected with the corresponding axle box body 2; the top of the side beam 11 is provided with a side bearing 17; the double-acting normally-contacted elastic side bearing is adopted as the side bearing of the secondary suspension system of the bogie, and the friction coefficient is stable. The side beams and the middle beam are of box-shaped beam structures and are formed by welding high-strength alloy steel plates;

as shown in fig. 3, the axle housing 2 is connected to the corresponding wheel pair 3 via the axle housing bearing 21; the wheel pair is arranged in the axle box body through the axle box bearing, the wheel pair and the axle box body are in contact fit, the axle box structure is a gapless axle suspension box structure, and an auxiliary cushion block does not need to be added in the axle box body when a vehicle is lifted. Specifically, the wheel pair 3 is a power wheel pair or a driven wheel pair, that is, both the two wheel pairs of the bogie can adopt the power wheel pair or the driven wheel pair according to the requirement. The power wheel set comprises an axle gearbox 31 mounted on the wheel set 3, and the axle gearbox 31 is connected to the frame 1 by means of a suspension boom 32. Specifically, a speed measuring device and a grounding device are installed at the end of the shaft box body 2.

Referring to fig. 4, the traction mechanism 4 includes a lower center plate 41, an upper center plate 42, and a center pin 43; the lower center plate 41 is mounted on the center sill 12; the upper center plate 42 is mounted on the lower center plate 41 through a center plate wear pad 44; the central pin 43 sequentially passes through the upper center plate 42, the center plate abrasion pad 44 and the lower center plate 41 from top to bottom and is fixed by the flat pin 45; the core plate abrasion pad is made of oil-containing nylon and self-lubricating, the core plate abrasion pad is rubbed when a vehicle runs, and the core plate abrasion pad is directly replaced during maintenance, so that the maintenance cost is reduced. Specifically, the upper core plate 42 and the lower core plate 41 are both of a spherical core plate structure.

Referring to fig. 5, two sets of brake mechanisms are oppositely arranged at two ends of the center sill 12, and each set of brake mechanisms comprises a brake driving device 5, a first brake lever 52 and a second brake lever 58; the brake driving device 5 is arranged on the front side of the middle beam 12 through a first mounting seat 51, one end of a first brake lever 52 is connected with the brake driving device 5, and the other end of the first brake lever 52 is connected with a first brake shoe 53 matched with the front side wheel pair 3; one end of a second brake lever 58 is arranged at the rear side of the centre sill 12 through a second mounting seat 55, and the other end of the second brake lever 58 is connected with a second brake shoe 56 matched with the rear wheel pair 3; a link 54 is provided between the first brake lever 52 and the second brake lever 58. When the brake driving device moves, the brake driving device drives the brake lever to drive the brake shoe to be in clutch and attached to the wheel, so that the brake is realized; when the brake driving device fails, the brake driving cylinder can be used for braking by the brake lever. The foundation brake adopts two driving modes, namely a pneumatic driving mode and a hydraulic driving mode, but is not limited to the two driving modes. Specifically, the brake mechanism further includes a brake actuating cylinder 57, and the brake actuating cylinder 57 is mounted on the first mounting base 51 and connected to the first brake lever 52.

Specifically, a spring cap 15, a hanging ring 16 and a spring 14 are arranged between the guide frame and the axle box body 2. The friction type shock absorber is composed of the axle box body, the axle box guide frame, the spring cap, the hanging ring and the spring, vertical and transverse friction force can be generated, vehicle vibration is attenuated, and vehicle running stability is improved. The pedestal guide frame 13 and the spring cap 15 are provided with wear limit identification, so that the wear plate can be directly observed when reaching the limit, and the maintenance is convenient. Furthermore, the end part of the axle bearing box can be provided with additional equipment such as a speed measuring device and a grounding device, and the functions of monitoring, grounding and the like are provided for the vehicle. The lower end of the axle box body can be provided with an overturn-preventing device, so that safety guarantee is provided for vehicles. The front end and the rear end of the axle box body can be provided with stone sweeping devices to remove stone ballast on a steel rail in front of the running of the vehicle.

Specifically, an axle supporting device 18 is arranged inside the side member 11; the center sill 12 is provided with a vehicle body support device 19. When the bogie runs at a low speed, the axle supporting device and the bogie body supporting device can form rigid connection among the bogie body, the bogie and the axle box, so that the vibration of the vehicle is reduced, and the bogie can be applied to vehicles which need higher measurement precision during operation such as a contact net operation vehicle, a bridge picking vehicle and a tamping vehicle.

The utility model discloses can design different cross-sections according to the railway engineering machinery demand, adapt to the small batch production demand of railway engineering machinery, reduction in production cost. The friction type shock absorber and the spherical (plane) center plate structure are adopted, the double-acting common contact elastic side bearing has self-lubrication and convenient maintenance, and has the advantages of simple structure, reliable operation and the like.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. A novel bogie comprises a framework (1), two wheel pairs (3) and a traction mechanism (4); the traction mechanism (4) is arranged on the framework (1), and the two wheel pairs (3) are respectively connected with the bottom of the framework (1) through the axle box body (2); the method is characterized in that: the device also comprises two groups of braking mechanisms;

the framework (1) comprises two side beams (11) which are arranged oppositely, and a middle beam (12) is connected between the middles of the two side beams (11); the bottom of the side beam (11) is provided with an axle box guide frame (13), and the axle box guide frame (13) is elastically connected with the corresponding axle box body (2); the top of the side beam (11) is provided with a side bearing (17);

the axle box body (2) is connected with the corresponding wheel pair (3) through an axle box bearing (21);

the traction mechanism (4) comprises a lower center plate (41), an upper center plate (42) and a center pin (43);

the lower center plate (41) is arranged on the center beam (12); the upper center plate (42) is arranged on the lower center plate (41) through a center plate abrasion pad (44); the center pin (43) sequentially penetrates through the upper center plate (42), the center plate abrasion pad (44) and the lower center plate (41) from top to bottom and is fixed through the flat pin (45);

the two groups of brake mechanisms are oppositely arranged at two ends of the middle beam (12), and each group of brake mechanisms comprises a brake driving device (5), a first brake lever (52) and a second brake lever (58); the brake driving device (5) is installed on the front side of the middle beam (12) through a first installation seat (51), one end of the first brake lever (52) is connected with the brake driving device (5), and the other end of the first brake lever (52) is connected with a first brake shoe (53) matched with the front side wheel pair (3); one end of the second brake lever (58) is mounted on the rear side of the middle beam (12) through a second mounting seat (55), and the other end of the second brake lever (58) is connected with a second brake shoe (56) matched with the rear wheel pair (3); a connecting rod (54) is arranged between the first brake lever (52) and the second brake lever (58).

2. The new bogie as claimed in claim 1, wherein: the brake mechanism further comprises a brake actuating cylinder (57), and the brake actuating cylinder (57) is installed on the first installation seat (51) and connected with the first brake lever (52).

3. The new bogie as claimed in claim 1, wherein: the wheel pair (3) is a power wheel pair or a driven wheel pair.

4. The new bogie as recited in claim 3, wherein: the power wheel pair comprises an axle gear box (31) arranged on the wheel pair (3), and the axle gear box (31) is connected with the framework (1) through a suspension arm (32).

5. The new bogie as claimed in claim 1, wherein: a spring cap (15), a hanging ring (16) and a spring (14) are arranged between the guide frame and the axle box body (2).

6. The new bogie as recited in claim 5, wherein: and abrasion limit marks are arranged on the pedestal guide frame (13) and the spring cap (15).

7. The new bogie as claimed in claim 1, wherein: the upper center plate (42) and the lower center plate (41) are both in a spherical center plate structure.

8. The new bogie as claimed in claim 1, wherein: an axle supporting device (18) is arranged in the side beam (11); the middle beam (12) is provided with a vehicle body supporting device (19).

9. The new bogie as claimed in claim 1, wherein: the end part of the shaft box body (2) is provided with a speed measuring device and a grounding device.