WO2020173236A1

WO2020173236A1 - High-speed train bogie

Info

Publication number: WO2020173236A1
Application number: PCT/CN2020/072243
Authority: WO
Inventors: 宗寒; 祝勇; 李凯
Original assignee: 马鞍山蓝信环保科技有限公司
Priority date: 2019-02-28
Filing date: 2020-01-15
Publication date: 2020-09-03
Also published as: CN109823359A; CN109823359B

Abstract

Disclosed is a high-speed train bogie, comprising a first support (1), wherein one end of the first support is connected to a second support (2) by means of a steering mechanism; rotary rods (3) are mounted at opposite ends of the first support and the second support by means of bearings; driving devices are mounted at positions, corresponding to the rotary rods, on the first support and the second support; wheels (4) are fixedly sleeved on rod walls, close to two ends, of the rotary rods; brake mechanisms are mounted at positions, corresponding to the wheels, on the first support and the second support; the steering mechanism comprises a semicircular engagement groove (5) provided in the second support, and a semicircular engagement block (6) matching the semicircular engagement groove is slidably connected in the engagement groove; and an end of the engagement block away from the bottom of the engagement groove is fixedly connected to a corresponding position on the first support, and the bottom of the engagement groove is symmetrically provided with arc-shaped slide grooves (7). The bogie enables no sliding friction to be generated between rear wheels and a rail, causes no potential safety hazards even after running for a long time, and is stable and reliable.

Description

High-speed rail bogie

Technical field

The present invention relates to the technical field of high-speed rail bogies, and in particular to a high-speed rail bogie. Background technique

The high-speed rail bogie is one of the core components of a locomotive, and it is the most critical device for locomotive towing, carrying, running and guiding. At present, most common high-speed rail bogies are integrated mechanisms. When the high-speed rail is turning, the front wheels of the bogie turn first under the combined action of the track and the wheels. When the front wheels turn first and the rear wheels have not yet turned, the front and rear wheels The wheels exert a certain torque on the bogie, which causes a certain amount of sliding friction between the rear wheels and the track, which leads to wear and tear of the wheels and the track, which may cause safety hazards after long-term operation of the high-speed rail.

Summary of the invention

The purpose of the present invention is to solve the problem that most of the high-speed rail bogies in the prior art are integrated mechanisms, which will cause the wheels and tracks to wear when turning, and the long-term operation may cause safety hazards. A high-speed rail bogie is proposed .

In order to achieve the above objective, the present invention adopts the following technical solutions:

A high-speed rail bogie includes a first bracket, one end of the first bracket is connected to a second bracket through a steering mechanism, the opposite ends of the first bracket and the second bracket are mounted with a rotating rod through a bearing, and the first bracket A bracket and a second bracket are equipped with driving devices at positions corresponding to the rotating rods, wheels are fixedly sleeved on the rod walls near the two ends of the rotating rods, and brake mechanisms are installed at positions corresponding to the wheels of the first and second brackets, The steering mechanism includes a semicircular card slot opened on the second bracket, a semicircular card block matching it is slidingly connected to the card slot, and the end of the card block away from the bottom of the card slot is fixed Connected to the first bracket In the corresponding position, the groove bottom of the card slot is symmetrically provided with an arc-shaped sliding groove, and an arc-shaped sliding block is slidably connected in the arc-shaped sliding groove, and the end of the arc-shaped sliding block away from the bottom of the arc-shaped sliding groove passes through It passes through the bottom of the arc-shaped sliding groove and is fixedly connected to the corresponding position of the clamping block, and the upper end of the clamping block is fixedly connected with a mounting seat.

Preferably, the brake mechanism includes two hydraulic presses mounted on a first support and a second support, the output end of the hydraulic press is fixedly connected with a "u"-shaped support frame, and both ends of the support frame are fixedly connected There are brake pads, which are arranged in an arc shape and match the corresponding wheels.

Preferably, the driving device includes two driving motors and a gear transmission box respectively mounted on the first support and the second support, the output end of the driving motor is connected with the input end of the gear transmission case, and the gear transmission The output end of the box is connected with the rotating rod.

Preferably, the position of the first bracket and the second bracket corresponding to the support frame is symmetrically opened with a limit slot, the limit block is slidably connected in the limit slot, and the end of the limit block away from the bottom of the limit slot passes through The notch of the limit slot is fixedly connected to the corresponding side wall of the support frame.

Preferably, the limit block is provided with a ball groove at one end close to the bottom of the limit groove, the ball groove is connected with rolling balls, and the end of the ball away from the groove of the ball passes through the groove of the ball groove and faces It extends outside and is connected with the notch of the limit groove in rolling connection.

Preferably, the connection between the output end of the gear transmission box and the rotating rod is located at the center of the rotating rod.

Preferably, the position of the first bracket and the second bracket corresponding to the support frame is symmetrically provided with sliding rod grooves, a sliding rod is slidably connected in the sliding rod groove, and the end of the sliding rod away from the bottom of the sliding rod groove passes through The notch of the sliding rod groove is fixedly connected to the corresponding position of the support frame. Preferably, the upper end of the first bracket close to the second bracket is symmetrically fixedly connected with a stabilizer seat.

Preferably, an arc-shaped rod is fixedly connected in the arc-shaped sliding groove, and the arc-shaped rod is set through the arc-shaped sliding block and is slidably connected with the arc-shaped sliding block.

Compared with the prior art, the present invention provides a high-speed rail bogie, which has the following beneficial effects:

1. For the high-speed rail bogie, by setting the first bracket, the second bracket, the rotating rod, the wheels, the clamping groove, the clamping block, the arc-shaped sliding groove, the arc-shaped sliding block and the mounting seat, when the high-speed rail is turning, the first bracket is installed Under the action of the track and itself, the wheels on the first bracket deflect, and at the same time, the wheels on the first bracket drive the first bracket to deflect relative to the second bracket through the rotating rod, and drive the semi-circular block in the semi-circular slot Inward rotation, the block drives the arc-shaped sliding block to move in the arc-shaped chute, thereby enabling stable deflection between the first bracket and the second bracket. Since the entire bogie can be deflected, the rear wheels will not It produces sliding friction with the track, and long-term operation will not cause safety hazards.

2. The high-speed rail bogie is equipped with hydraulic press, support frame and brake pads. When the high-speed rail needs to be braked, the hydraulic press is started, and the output end of the hydraulic press pushes the support frame to move, so that the support frame pushes the brake pads to move, and finally makes the brake pads and the corresponding When the wheels of the vehicle are in contact with each other, the wheels are braked to make the entire bogie more stable and reliable during operation.

The parts not involved in the device are the same as the prior art or can be realized by using the prior art. The present invention prevents the rear wheel from generating sliding friction with the track, does not cause hidden safety hazards in long-term operation, and is stable and reliable. Description of the drawings

Figure i is a top view structure of an iron bogie proposed by the present invention; Figure 2 is an enlarged view of part A in Figure 1;

Figure 3 is an enlarged view of part B in Figure 1;

Figure 4 is a schematic side view of the wheels and brake pads in a high-speed rail bogie proposed by the present invention.

In the picture: 1 first bracket, 2 second bracket, 3 rotating rod, 4 wheels, 5 card slots, 6 card blocks, 7 arc chute, 8 arc slider, 9 mounting seat, 10 hydraulic press, 11 support frame , 12 brake pads, 13 drive motor, 14 gear box, 15 limit slot, 16 limit block, 17 ball groove, 18 ball, 19 slide bar groove, 20 slide bar, 21 stabilizer seat, 22 arc bar. detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner" and " The orientation or positional relationship indicated by “outside” is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation to The specific orientation structure and operation cannot be understood as a limitation of the present invention.

Referring to Figures 1-4, a high-speed rail bogie includes a first bracket 1. One end of the first bracket 1 is connected to a second bracket 2 through a steering mechanism. The first bracket 1 and the second bracket 2 are relative to each other. The back end is equipped with a rotating rod 3 through a bearing. The first bracket 1 and the second bracket 2 are equipped with a driving device corresponding to the position of the rotating rod 3. The rotating rod 3 is fixedly sleeved with wheels 4 on the rod walls close to both ends, and the first bracket 1 A brake mechanism is installed at a position corresponding to the wheel 4 of the second bracket 2, and the steering mechanism includes a semicircular card slot 5 opened on the second bracket, and a semicircular card block matching it is slidingly connected to the card slot 5 6. The end of the block 6 away from the bottom of the slot 5 is fixedly connected to the corresponding position of the first bracket 1. The bottom of the slot 5 is symmetrically provided with arc-shaped slide grooves 7, and the arc-shaped slide groove 7 is slidably connected with arcs The end of the arc-shaped slider 8 far from the bottom of the arc-shaped chute 7 passes through the bottom of the arc-shaped chute 7 and is fixedly connected to the corresponding position of the clamping block 6. The upper end of the clamping block 6 is fixedly connected with Mounting seat 9, when the high-speed rail turns, the wheels 4 on the first bracket 1 deflect under the action of the track and itself. At the same time, the wheels 4 on the first bracket 1 drive the first bracket 1 relative to the first bracket 1 through the rotating rod 3. The second bracket 2 deflects, driving the semi-circular clamping block 6 to rotate in the semicircular clamping groove 5, and the clamping block 6 drives the arc-shaped sliding block 8 to move in the arc-shaped sliding groove 7, so that the first bracket 1 and The second brackets 2 can be stably deflected, because the entire bogie can be deflected, so that the rear wheels will not have sliding friction with the track, and long-term operation will not cause safety hazards.

The brake mechanism includes two hydraulic presses 10 mounted on the first support 1 and the second support 2. The output end of the hydraulic press 10 is fixedly connected with a "U"-shaped support frame 11, and both ends of the support frame 11 are fixedly connected with brake pads 12. The brake pads 12 are arranged in an arc shape and matched with the corresponding wheels 4. When the high-speed rail needs to be braked, the hydraulic machine 10 is started, and the output end of the hydraulic machine 10 pushes the support frame 11 to move, so that the support frame 11 pushes the brake pads 12 to move Finally, the brake pads 12 are brought into contact with the corresponding wheels 4, and the wheels 4 are braked to make the whole bogie more stable and reliable during operation. The driving device includes two driving motors 13 and a gear transmission box 14 respectively installed on the first support 1 and the second support 2. The output end of the driving motor 13 is connected with the input end of the gear transmission box 14, and the gear transmission box 14 The output end is connected with the rotating rod in 3 directions, which drives the entire high-speed rail.

The first bracket 1 and the second bracket 2 are symmetrically opened at the position of the support frame 11 with a limit slot 15, the limit slot 15 is slidably connected with the limit block 16, the limit block 16 is far away from the limit slot 15 and the end of the slot passes through the limit The notch of the positioning slot 15 is fixedly connected to the corresponding side wall of the support frame 11, which acts as a limit stop and prevents the support frame 11 from falling off the first support 1 or the second support 2.

The end of the limit block 16 close to the bottom of the limit groove 15 is provided with a ball groove 17, in which a ball 18 is rolling and connected, and the end of the ball 18 away from the groove of the ball groove 17 passes through the groove of the ball groove 17 and outward It extends and is in rolling connection with the notch of the limiting slot 15 so that the limiting block 16 slides in the limiting slot 15 more smoothly.

The connection between the output end of the gear box 14 and the rotating rod 3 is located at the center of the rotating rod 3, so that the torque at the wheels 4 of the rotating rod 3 is the same, and the bogie is more stable.

The first bracket 1 and the second bracket 2 are symmetrically provided with a sliding rod groove 19 corresponding to the position of the supporting frame 11. The sliding rod groove 19 is slidably connected with a sliding rod 20, and the end of the sliding rod 20 away from the bottom of the sliding rod groove 19 passes through the sliding rod. The notch of the rod groove 19 is fixedly connected to the corresponding position of the support frame 11, so that the support frame 11 can move more stably.

The upper end of the first bracket 1 close to the second bracket 2 is symmetrically fixedly connected with a stabilizer 21, so that the connection between the bogie and the carriage is more stable and reliable.

The arc-shaped chute 7 is fixedly connected with an arc-shaped rod 22, and the arc-shaped rod 22 passes through the arc-shaped slider 8 It is arranged and slidably connected with the arc-shaped sliding block 8 to make the arc-shaped sliding block 8 slide in the arc-shaped sliding groove 7 more stably.

In the present invention, when the high-speed rail turns, the wheels 4 on the first support 1 deflect under the action of the track and itself. At the same time, the wheels 4 on the first support 1 drive the first support 1 relative to the first support 1 through the rotating rod 3 The second bracket 2 deflects, driving the semicircular block 6 to rotate in the semicircular clamping slot 5, and the clamping block 6 drives the arc-shaped sliding block 8 to move in the arc-shaped sliding slot 7, so that the first bracket 1 and The second bracket 2 can be stably deflected. Because the entire bogie can be deflected, the rear wheels will not have sliding friction with the track, and long-term operation will not cause safety hazards. When the high-speed rail needs to brake, start the hydraulic press 10. The output end of the hydraulic press 10 pushes the support frame 11 to move, which in turn causes the support frame 11 to push the brake pads 12 to move, and finally the brake pads 12 are against the corresponding wheels 4, and the wheels 4 are braked, so that the entire bogie is running more The ground is stable and reliable.

The above are only preferred specific implementations of the present invention, but the protection scope of the present invention is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution of the present invention Equivalent replacements or changes to its inventive concept should all fall within the protection scope of the present invention.

Claims

1. A high-speed rail bogie, comprising a first bracket (1), characterized in that one end of the first bracket (1) is connected to a second bracket (2) through a steering mechanism, and the first bracket (1) A rotating rod (3) is installed at the opposite end of the second bracket (2) through a bearing, and the first bracket (1) and the second bracket (2) are equipped with driving devices at positions corresponding to the rotating rod (3), so The rotating rod (3) is fixedly sleeved with wheels (4) on the rod walls close to both ends, and the first bracket (1) and the second bracket (2) are equipped with brake mechanisms at positions corresponding to the wheels (4). The steering mechanism includes a semicircular card slot (5) opened on the second bracket, and a semicircular card block (6) that matches the card slot (5) is slidably connected to the card slot (5). 6) One end far away from the bottom of the card slot (5) is fixedly connected to the corresponding position of the first bracket (1), and the bottom of the card slot (5) is symmetrically provided with arc-shaped sliding grooves (7), and the arc An arc-shaped sliding block (8) is slidably connected to the arc-shaped chute (7), and one end of the arc-shaped sliding block (8) away from the bottom of the arc-shaped chute (7) passes through the groove of the arc-shaped chute (7) The bottom is fixedly connected to the corresponding position of the clamping block (6), and the upper end of the clamping block (6) is fixedly connected with a mounting seat (9).

2. A high-speed rail bogie according to claim 1, characterized in that, the brake mechanism includes two hydraulic machines mounted on the first support (1) and the second support (2)

(10), the output end of the hydraulic press (10) is fixedly connected with a "U"-shaped support frame (11), both ends of the support frame (11) are fixedly connected with brake pads (12), and the brake The pieces (12) are arranged in an arc shape and match the corresponding wheels (4).

3. A high-speed rail bogie according to claim 1, characterized in that, the driving device includes a driving motor (13) and a gear box (14), a first bracket (1) and a second bracket (2) Both are installed with a drive motor (13) and a gear transmission box (14), the output end of the drive motor (13) is connected with the input end of the gear transmission box (14), so The output end of the gear transmission box (14) is connected with the rotating rod (3).

4. A high-speed rail bogie according to claim 2, characterized in that the first bracket (1) and the second bracket (2) corresponding to the position of the support frame (11) are symmetrically opened with limit slots (15) , The limiting groove (15) is slidably connected with the limiting block (16), and the end of the limiting block (16) away from the bottom of the limiting slot (15) passes through the opening of the limiting slot (15) and It is fixedly connected to the corresponding side wall of the support frame (11).

5. A high-speed rail bogie according to claim 4, characterized in that, a ball groove (17) is opened at one end of the limit block (16) close to the bottom of the limit groove (15), and the ball groove (17) The inner rolling is connected with a ball (18), the end of the ball (18) away from the notch of the ball groove (17) passes through the notch of the ball groove (17) and extends outward, and is connected to the limit groove (15) ) Notch rolling connection.

6. A high-speed rail bogie according to claim 3, characterized in that the connection between the output end of the gear transmission box (14) and the rotating rod (3) is located at the center of the rotating rod (3).

7. A high-speed rail bogie according to claim 1, characterized in that the first bracket (1) and the second bracket (2) are symmetrically provided with sliding rod grooves (19) at positions corresponding to the supporting frame (11). ), the sliding rod groove (19) is slidably connected with a sliding rod (20), and one end of the sliding rod (20) away from the bottom of the sliding rod groove (19) passes through the slot of the sliding rod groove (19) and It is fixedly connected to the corresponding position of the support frame (11).

8. The high-speed rail bogie according to claim 1, characterized in that the upper end of the first bracket (1) close to the second bracket (2) is symmetrically fixedly connected with a stabilizer seat (21).

9. The high-speed rail bogie according to claim 1, wherein the An arc-shaped rod (22) is fixedly connected to the arc-shaped chute (7), and the arc-shaped rod (22) is set through the arc-shaped sliding block (8) and is slidably connected with the arc-shaped sliding block (8).