CN214465714U - Disc drum brake drum - Google Patents
Disc drum brake drum Download PDFInfo
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- CN214465714U CN214465714U CN202120004615.7U CN202120004615U CN214465714U CN 214465714 U CN214465714 U CN 214465714U CN 202120004615 U CN202120004615 U CN 202120004615U CN 214465714 U CN214465714 U CN 214465714U
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- brake
- disc
- brake disc
- drum
- rotating shaft
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Abstract
The utility model discloses a disc drum brake drum, which comprises a rear axle, a transmission shaft, a disc brake device, a drum brake device and a brake disc; the rear axle is hollow and one end of the rear axle is connected with the brake disc; the transmission shaft is coaxially arranged in the rear axle, and one end of the transmission shaft penetrates through the brake disc and is fixedly connected with the brake disc; the disc brake device is fixedly connected with the rear axle, can be abutted against the brake disc and is used for rubbing the brake disc to play a role in reducing speed; the drum braking device is arranged on the brake disc and can be abutted against the brake disc to achieve the effect of reducing speed through friction with the brake disc. The utility model discloses in, use the dish to stop the device and the device combined action is stopped to the drum, brake that can be faster to reduce single brake equipment's working strength, long service life, the insurance coefficient is high.
Description
Technical Field
The utility model relates to a brake technical field specifically indicates a dish drum braking brake drum.
Background
The brake, also called braking, is an operation for stopping or reducing the speed of a running locomotive, vehicle, other transportation means, machine, or the like. The general principle of braking is that a wheel or disk is fixed on the high-speed shaft of the machine, and a brake shoe, belt or disk matched with the wheel or disk is mounted on the machine base, so that the wheel or disk can produce braking torque under the action of external force. The braking device is a mechanical braking device capable of slowing down the speed of the vehicle.
The traditional brake device is only provided with a single brake device, the efficiency is low, the work load of the brake device is very large, and once a fault occurs, serious potential safety hazards are brought. To solve this problem, we propose a disc brake drum.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide:
a disc brake drum comprises a rear axle, a transmission shaft, a disc brake device, a drum brake device and a brake disc;
the rear axle is hollow and one end of the rear axle is connected with the brake disc; the transmission shaft is coaxially arranged in the rear axle, and one end of the transmission shaft penetrates through the brake disc and is fixedly connected with the brake disc;
the disc brake device is fixedly connected with the rear axle, can be abutted against the brake disc and is used for rubbing the brake disc to play a role in reducing speed;
the drum braking device is arranged on the brake disc and can be abutted against the brake disc to achieve the effect of reducing speed through friction with the brake disc.
As an improvement, the disc brake device is connected with the rear axle through a connecting plate, and the connecting plate is welded on the rear axle.
As an improvement, the drum brake device comprises a sleeve, a first rotating shaft, a transmission rod, a shifting sheet, a friction plate, a second rotating shaft and a spring; the sleeve penetrates through the brake disc; the first rotating shaft is coaxially arranged in the sleeve and is in rotating fit with the sleeve; the transmission rod is arranged at one end of the first rotating shaft and is in rotating fit with the first rotating shaft; the shifting piece is arranged at one end, far away from the transmission rod, of the first rotating shaft; the second rotating shaft is arranged in the brake disc and is rotatably connected with the brake disc; the two friction plates are symmetrically arranged at two ends of the second rotating shaft and are abutted with the shifting plate; two ends of the spring are respectively connected with the two friction plates, and the number of the springs is two.
As an improvement, a straight line formed by connecting the circle center of the second rotating shaft and the circle center of the first rotating shaft passes through the circle center of the brake disc.
As an improvement, the friction plate is arc-shaped, a friction surface is arranged on one surface, close to the brake disc, of the friction plate, and the friction surface is matched with the brake disc.
As an improvement, an annular convex plate is arranged on the transmission shaft and is positioned in the brake disc.
As an improvement, the annular convex plate and the brake disc are fixed through bolts, and the four bolts are arranged along the circumferential circumference of the brake disc in an array mode.
As an improvement, one end of the transmission shaft, which is close to the brake disc, is provided with a nut, and the nut is abutted to the brake disc to play a role in fixing.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses in, 2 coaxial locating of transmission shaft in the rear axle 1, and link to each other with brake disc 3, will drive brake disc 3 synchronous rotations when transmission shaft 2 rotates. When braking, the disc brake device fixedly connected with the rear axle 1 through the connecting plate 4 is tightened and abutted against the brake disc 3, and plays a role in reducing speed through friction with the brake disc 3; meanwhile, the rotating transmission rod 7 is controlled to drive the first rotating shaft 6 to rotate in the sleeve 5, so that the shifting piece 8 in the brake disc 3 rotates, the shifting piece 8 pushes the two friction plates 9 abutted against the shifting piece 8, the friction plates 9 rotate around the second rotating shaft 10 and abut against the inner wall of the brake disc 3, and the friction surfaces 11 rub against the brake disc 3 to play a role in reducing speed; after braking is finished, the spring 15 can reset the friction plate 9. The utility model discloses in, use the dish to stop the device and the device combined action is stopped to the drum, brake that can be faster to reduce single brake equipment's working strength, long service life, the insurance coefficient is high.
Drawings
Fig. 1 is an overall structure schematic diagram of a disc brake drum of the present invention.
Fig. 2 is a front view of a disc brake drum of the present invention.
Fig. 3 is a sectional view at C-C in fig. 2.
Fig. 4 is a side view of a disc brake drum of the present invention.
Fig. 5 is a sectional view taken at B-B in fig. 4.
In the figure, 1, the rear axle; 2. a drive shaft; 3. a brake disc; 4. a connecting plate; 5. a sleeve; 6. a first rotating shaft; 7. a transmission rod; 8. a shifting sheet; 9. a friction plate; 10. a second rotating shaft; 11. a friction surface; 12. an annular convex plate; 13. a bolt; 14. a nut; 15. a spring.
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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
A disc brake drum is described in further detail below with reference to the accompanying drawings.
With reference to the attached drawings, fig. 1 to 5 show a disc brake drum, which comprises a rear axle 1, a transmission shaft 2, a disc brake device, a drum brake device and a brake disc 3;
referring to the attached drawings, fig. 1-5, the rear axle 1 is hollow and one end of the rear axle is connected with a brake disc 3; the transmission shaft 2 is coaxially arranged in the rear axle, and one end of the transmission shaft 2 penetrates through the brake disc 3 and is fixedly connected with the brake disc 3;
with reference to the attached drawings, fig. 1 to 5 show that a disc brake device is fixedly connected with a rear axle 1, and the disc brake device can be abutted against a brake disc 3 and is used for rubbing the brake disc 3 to play a role in reducing speed;
with reference to the attached drawings, fig. 1 to 5, the drum brake device is arranged on the brake disc 3, and the drum brake device can be abutted against the brake disc 3 and is used for rubbing the brake disc 3 to play a role in reducing speed.
In this embodiment, as shown in fig. 1 to 5, the disc brake device is connected to the rear axle 1 through a connecting plate 4, and the connecting plate 4 is welded to the rear axle 1.
In this embodiment, as shown in fig. 1 to 5, the drum brake device includes a sleeve 5, a first rotating shaft 6, a transmission rod 7, a pulling plate 8, a friction plate 9, a second rotating shaft 10, and a spring 15; the sleeve 5 penetrates through the brake disc 3; the first rotating shaft 6 is coaxially arranged in the sleeve 5 and is in rotating fit with the sleeve 5; the transmission rod 7 is arranged at one end of the first rotating shaft 6 and is in rotating fit with the first rotating shaft 6; the shifting sheet 8 is arranged at one end of the first rotating shaft 6 far away from the transmission rod 7; the second rotating shaft 10 is arranged in the brake disc 3 and is rotatably connected with the brake disc 3; two friction plates 9 are symmetrically arranged at two ends of the second rotating shaft 10 and are abutted with the shifting plate 8; two ends of the spring 15 are respectively connected with the two friction plates 9, and the number of the springs 15 is two.
In this embodiment, as shown in fig. 1 to 5, a straight line connecting the center of the second rotating shaft 10 and the center of the first rotating shaft 6 passes through the center of the brake disc 3.
In this embodiment, as shown in fig. 1 to 5, the friction plate 9 is arc-shaped, and a friction surface 11 is provided on a surface close to the brake disc 3, and the friction surface 11 is engaged with the brake disc 3.
In this embodiment, as shown in fig. 1 to 5, the transmission shaft 2 is provided with an annular convex plate 12, and the annular convex plate 12 is located in the brake disc 3.
In this embodiment, as shown in fig. 1 to 5, the annular convex plate 12 and the brake disc 3 are fixed by bolts 13, and four bolts 13 are arranged in an array along the circumferential direction of the brake disc 3.
In this embodiment, as shown in fig. 1 to 5, a nut 14 is provided at one end of the transmission shaft 2 close to the brake disc 3, and the nut 14 is abutted against the brake disc 3 to fix the brake disc.
The utility model discloses a theory of operation: the utility model discloses in, 2 coaxial locating of transmission shaft in the rear axle 1, and link to each other with brake disc 3, will drive brake disc 3 synchronous rotations when transmission shaft 2 rotates. When braking, the disc brake device fixedly connected with the rear axle 1 through the connecting plate 4 is tightened and abutted against the brake disc 3, and plays a role in reducing speed through friction with the brake disc 3; meanwhile, the rotating transmission rod 7 is controlled to drive the first rotating shaft 6 to rotate in the sleeve 5, so that the shifting piece 8 in the brake disc 3 rotates, the shifting piece 8 pushes the two friction plates 9 abutted against the shifting piece 8, the friction plates 9 rotate around the second rotating shaft 10 and abut against the inner wall of the brake disc 3, and the friction surfaces 11 rub against the brake disc 3 to play a role in reducing speed; after braking is finished, the spring 15 can reset the friction plate 9.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. A disc drum brake drum, its characterized in that: comprises a rear axle (1), a transmission shaft (2), a disc brake device, a drum brake device and a brake disc (3);
the rear axle (1) is hollow and one end of the rear axle is connected with the brake disc (3); the transmission shaft (2) is coaxially arranged in the rear axle, and one end of the transmission shaft (2) penetrates through the brake disc (3) and is fixedly connected with the brake disc (3);
the disc brake device is fixedly connected with the rear axle (1), can be abutted against the brake disc (3) and is used for rubbing the brake disc (3) to play a role in reducing speed;
the drum brake device is arranged on the brake disc (3), and the drum brake device can be abutted to the brake disc (3) and used for playing a role in reducing speed by friction with the brake disc (3).
2. A disc brake drum according to claim 1, wherein: the disc brake device is connected with the rear axle (1) through a connecting plate (4), and the connecting plate (4) is welded on the rear axle (1).
3. A disc brake drum according to claim 1, wherein: the drum brake device comprises a sleeve (5), a first rotating shaft (6), a transmission rod (7), a shifting sheet (8), a friction sheet (9), a second rotating shaft (10) and a spring (15); the sleeve (5) penetrates through the brake disc (3); the first rotating shaft (6) is coaxially arranged in the sleeve (5) and is in rotating fit with the sleeve (5); the transmission rod (7) is arranged at one end of the first rotating shaft (6) and is in rotating fit with the first rotating shaft (6); the shifting piece (8) is arranged at one end, far away from the transmission rod (7), of the first rotating shaft (6); the second rotating shaft (10) is arranged in the brake disc (3) and is rotatably connected with the brake disc (3); the two friction plates (9) are symmetrically arranged at two ends of the second rotating shaft (10), and are abutted against the shifting plate (8); two ends of the spring (15) are respectively connected with the two friction plates (9), and the number of the springs (15) is two.
4. A disc brake drum according to claim 3, wherein: the straight line formed by the circle center of the second rotating shaft (10) and the circle center of the first rotating shaft (6) passes through the circle center of the brake disc (3).
5. A disc brake drum according to claim 3, wherein: friction disc (9) are the arc and are close to brake disc (3) one side is equipped with friction surface (11), friction surface (11) with brake disc (3) mutually support.
6. A disc brake drum according to claim 1, wherein: an annular convex plate (12) is arranged on the transmission shaft (2), and the annular convex plate (12) is positioned in the brake disc (3).
7. A disc brake drum according to claim 6, wherein: the annular convex plate (12) and the brake disc (3) are fixed through bolts (13), and the number of the bolts (13) is four and is arranged along the circumferential circumference of the brake disc (3) in an array mode.
8. A disc brake drum according to claim 1, wherein: and a nut (14) is arranged at one end, close to the brake disc (3), of the transmission shaft (2), and the nut (14) is abutted to the brake disc (3) to play a role in fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004615.7U CN214465714U (en) | 2021-01-04 | 2021-01-04 | Disc drum brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004615.7U CN214465714U (en) | 2021-01-04 | 2021-01-04 | Disc drum brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465714U true CN214465714U (en) | 2021-10-22 |
Family
ID=78109995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120004615.7U Active CN214465714U (en) | 2021-01-04 | 2021-01-04 | Disc drum brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465714U (en) |
-
2021
- 2021-01-04 CN CN202120004615.7U patent/CN214465714U/en active Active
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